1. The grounding detection device for the installation and debugging of the power station is characterized by comprising a device box (1) and a transmission assembly (3), wherein the right side in the device box (1) is provided with a connection assembly (2), the connection assembly (2) comprises a wiring frame (201), a control panel (202), a limiting guide rail (203), a limiting sliding block (204), a movable clamping block (205), a spring (206), a pull rod (207), a rubber layer (208), a wiring socket (209) and a fixed clamping block (2010), the left side of the wiring frame (201) is connected with the control panel (202), the two sides in the interior of the wiring frame (201) are provided with the limiting guide rail (203), the outer side of the limiting guide rail (203) is connected with the limiting sliding block (204), the outer side of the limiting sliding block (204) is connected with the movable clamping block (205), and the two ends of one side of the movable clamping block (205) are provided with the spring (206), and move one side both ends of clamp splice (205) and be provided with pull rod (207) near the middle part, the opposite side of moving clamp splice (205) is provided with rubber layer (208), the inside left side of wire connection frame (201) is provided with decides clamp splice (2010), and the inboard bottom of wire connection frame (201) is provided with wiring socket (209), transmission assembly (3) set up in the inboard middle part lower extreme of device case (1), and the inside left side of device case (1) is provided with storage assembly (4).

2. The grounding detection device for installation and debugging of power station as claimed in claim 1, wherein said device box (1) comprises a portable box (101), a handle (102), an insulating layer (103), a corner protector (104), a limiting insertion tube (105), a connection hinge (106), a cover body (107), a limiting insertion column (108), a slot (109), a sponge layer (1010), a fastening buckle (1011), a support leg block (1012) and an anti-slip layer (1013), wherein the handle (102) is arranged on one side of the outside of the portable box (101), the insulating layer (103) is arranged on the inner wall of the portable box (101), the corner protector (104) is arranged on four corners of the outside of the portable box (101), the limiting insertion tube (105) is arranged on four corners of the inside of the portable box (101), the connection hinge (106) is arranged on the other side of the outside of the portable box (101), and the cover body (107) is connected to the other side of the connection hinge (106), and the inside four corners of lid (107) is provided with spacing post (108) of inserting, fluting (109) have been seted up on the inside right side of lid (107), and the inner wall of lid (107) is provided with sponge layer (1010), the outside opposite side of lid (107) is provided with fastening buckle (1011), the outside lower extreme of portable box (101) is provided with a foot piece (1012), and the lower surface of foot piece (1012) is provided with skid resistant course (1013).

3. The grounding detection device for installation and debugging of power station as claimed in claim 2, wherein said spacing inserting cylinders (105) are equidistantly distributed at four corners of the inner side of the portable box (101), the diameter of the outer side of the spacing inserting cylinder (108) is matched with the diameter of the inner side of the spacing inserting cylinder (105), and the cover body (107) forms a frame structure with the portable box (101) through the spacing inserting cylinder (108) and the spacing inserting cylinder (105).

4. The grounding detection device for installation and debugging of power station as claimed in claim 2, wherein corner protectors (104) are arranged at four outer corners of the cover body (107) and four outer corners of the portable box body (101), the sponge layer (1010) is bonded with the portable box body (101), the support foot blocks (1012) are equidistantly distributed at the lower end of the outer side of the portable box body (101), and the anti-skid layer (1013) is fixedly connected with the support foot blocks (1012).

5. The grounding detection device for installation and debugging of power station as claimed in claim 1, wherein said limiting sliders (204) are symmetrically distributed along the central axis of said movable clamping block (205), the inner sides of said limiting sliders (204) are attached to the inner sides of said limiting guide rails (203), and the movable clamping block (205) forms a sliding structure with said connection frame (201) through said spring (206), said limiting sliders (204) and said limiting guide rails (203).

6. The grounding detection device for power station installation and debugging of claim 1, wherein the fixed clamping block (2010) and the movable clamping block (205) are distributed in parallel, the rubber layer (208) is connected with the movable clamping block (205) in an embedded manner, and the rubber layer (208) is arranged on one side of each of the movable clamping block (205) and the fixed clamping block (2010).

7. The grounding detection device for power station installation debugging of claim 1, characterized in that the transmission component (3) comprises a placement frame (301), a rotating shaft (302), an antenna (303) and a dust cover (304), wherein the rotating shaft (302) is arranged on the left side inside the placement frame (301), the antenna (303) is connected to the outer side of the rotating shaft (302), and the dust cover (304) is connected to one side of the placement frame (301).

8. The grounding detection device for installation and debugging of power station as claimed in claim 7, wherein said antenna (303) is disposed parallel to said mounting frame (301), and said antenna (303) passes through said rotation shaft (302) and forms a rotation structure with said mounting frame (301).

9. The grounding detection device for power station installation and debugging of claim 1, characterized in that said receiving assembly (4) comprises a receiving frame (401), a first fastening belt (402), an insertion block (403), a second fastening belt (404), a slot block (405) and a receiving cover (406), wherein the first fastening belt (402) is arranged on the left side of the inside of the receiving frame (401), the insertion block (403) is connected to the other end of the first fastening belt (402), the second fastening belt (404) is arranged on the right side of the inside of the receiving frame (401), the slot block (405) is arranged on the other end of the second fastening belt (404), and the receiving cover (406) is connected to one side of the receiving frame (401).

10. The grounding detection device for power station installation debugging of claim 9, wherein the first fastening belt (402) and the second fastening belt (404) are symmetrically distributed along the vertical central axis of the receiving frame (401), and the first fastening belt (402) and the second fastening belt (404) form a movable structure through the insertion block (403) and the groove block (405).

Background

The grounding wire is a wire directly connected with the earth and can also be called as a safety return line, high voltage is directly transferred to the earth in danger, namely a life wire, in order to avoid accidents, the wire can be connected to the upper surface of a metal shell of an electric appliance, the other end of the wire is connected to the earth, once the electric appliance leaks electricity, the grounding wire can bring static electricity into the earth to be released, the grounding wire is an important tool for ensuring workers when voltage accidentally appears on power-off equipment and lines in installation and debugging of a power station, and therefore detection of the grounding wire is also very important and needs a grounding detection device.

Ground connection detection device is used in power station installation debugging on the market not portable, can't carry out the centre gripping to the wiring plug, appears the wiring plug and drops easily in actual testing process, influences the shortcoming of detection effect.

Disclosure of Invention

The invention aims to provide a grounding detection device for power station installation and debugging, and aims to solve the problems that the grounding detection device for power station installation and debugging, which is provided in the background art, is inconvenient to carry, cannot clamp a wiring plug, and is easy to cause the falling of the wiring plug in the actual detection process, so that the detection effect is influenced.

In order to achieve the purpose, the invention provides the following technical scheme: a grounding detection device for installation and debugging of a power station comprises a device box and a transmission assembly, wherein the right side inside the device box is provided with a connection assembly, the connection assembly comprises a wiring frame, a control panel, a limiting guide rail, a limiting slide block, a movable clamping block, a spring, a pull rod, a rubber layer, a wiring socket and a fixed clamping block, the left side of the wiring frame is connected with the control panel, the two sides inside the wiring frame are provided with the limiting guide rail, the outer side of the limiting guide rail is connected with the limiting slide block, the outer side of the limiting slide block is connected with the movable clamping block, the two ends of one side of the movable clamping block are provided with the spring, the two ends of one side of the movable clamping block are provided with the pull rod close to the middle part, the other side of the movable clamping block is provided with the rubber layer, the left side inside of the wiring frame is provided with the fixed clamping block, the bottom inside the wiring socket is arranged at the bottom of the wiring frame, the transmission assembly is arranged at the lower end of the middle part inside the device box, and the left side of the inside of the device box is provided with a storage assembly.

Preferably, the device box comprises a portable box body, a handle, an insulating layer, a corner protector, a limiting insertion cylinder, a connecting hinge, a cover body, a limiting insertion column, a slot, a sponge layer, a fastening buckle, a support block and an anti-skid layer, and one side of the outer part of the portable box body is provided with a handle, the inner wall of the portable box body is provided with an insulating layer, corner protectors are arranged at four corners of the outer part of the portable box body, limiting inserting cylinders are arranged at four corners of the inner part of the portable box body, and the other side of the outside of the portable box body is provided with a connecting hinge, the other side of the connecting hinge is connected with a cover body, and the four corners inside the cover body are provided with limit inserting columns, the right side inside the cover body is provided with a slot, and the inner wall of the cover body is provided with a sponge layer, the other side of the outside of the cover body is provided with a fastening buckle, the lower end of the outer side of the portable box body is provided with a supporting leg block, and the lower surface of the supporting leg block is provided with an anti-skid layer.

Preferably, the spacing section of thick bamboo equidistance that inserts distributes in the inboard four corners of portable box, and the outside diameter size of the post is inserted to spacing is identical with the inboard diameter size of a spacing section of thick bamboo of inserting to the lid is inserted the post through spacing and is inserted and constitute frame construction between a section of thick bamboo and the portable box with spacing.

Preferably, the outside four corners of lid and the outside four corners of portable box all are provided with the angle bead, and for bonding between sponge layer and the portable box, the while foot piece equidistance distributes in the outside lower extreme of portable box to be fixed connection between skid resistant course and the foot piece.

Preferably, the limiting sliding blocks are symmetrically distributed along the central axis of the movable clamping block, the inner sides of the limiting sliding blocks are attached to the inner sides of the limiting guide rails, and the movable clamping block forms a sliding structure with the wiring frame through the springs, the limiting sliding blocks, the limiting guide rails and the wiring frame.

Preferably, the fixed clamping block and the movable clamping block are distributed in a parallel manner, the rubber layer is connected with the movable clamping block in an embedded manner, and the rubber layer is arranged on one side of the movable clamping block and one side of the fixed clamping block.

Preferably, the transmission assembly comprises a placement frame, a rotating shaft, an antenna and a dustproof cover, the rotating shaft is arranged on the left side inside the placement frame, the antenna is connected to the outer side of the rotating shaft, and the dustproof cover is connected to one side of the placement frame.

Preferably, the antenna and the mounting frame are distributed in parallel, and the antenna forms a rotating structure through the rotating shaft and the mounting frame.

Preferably, the storage assembly comprises a storage frame, a first fastening belt, an insertion block, a second fastening belt, a groove block and a storage cover body, the first fastening belt is arranged on the left side of the inside of the storage frame, the insertion block is connected to the other end of the first fastening belt, the second fastening belt is arranged on the right side of the inside of the storage frame, the groove block is arranged at the other end of the second fastening belt, and the storage cover body is connected to one side of the storage frame.

Preferably, the first fastening belt and the second fastening belt are symmetrically distributed along a vertical central axis of the storage frame, and the first fastening belt and the second fastening belt form a movable structure through the insertion block and the groove block.

The invention provides a grounding detection device for installation and debugging of a power station, which has the following beneficial effects: according to the grounding detection device for installation and debugging of the power station, through mutual matching of the components, the device is convenient to carry, the firmness and the falling resistance of the whole device are guaranteed, the connection stability of the connecting wire during grounding detection is guaranteed, the condition that the detection is influenced by loosening and falling of the connecting wire is avoided, the detected data can be remotely transmitted, and the detected data can be conveniently collected and sorted;

1. according to the portable box body and the detection device, the limiting insertion cylinders arranged at the four corners inside the portable box body are matched with the limiting insertion columns arranged at the four corners inside the cover body, and when the cover body and the portable box body are closed, the limiting insertion columns are inserted into the limiting insertion cylinders, so that the portable box body and the cover body integrally form a frame type structure, the situation that internal components of the portable box body are damaged due to deformation of the cover body under the pressure from the upper end is avoided, and the actual service life of the detection device is prolonged.

2. According to the portable box, the protective corners arranged at the four corners outside the cover body and the portable box body can achieve good protection and falling resistance effects, the cover body and the portable box body are prevented from being deformed and damaged due to collision in the carrying process, the sponge layer arranged on the inner wall of the portable box body can achieve good buffering and protection effects, and meanwhile, the anti-slip layer arranged on the lower surface of the supporting leg block can effectively increase the friction force between the portable box body and the ground, and the condition that the portable box body deviates to affect use in the using process is avoided.

3. The invention has the advantages that the limiting slide blocks arranged at the two ends of the movable clamping block are matched with the limiting guide rails arranged at the two sides in the wiring frame, so that the movable clamping block has an elastic effect on the horizontal straight line position under the acting force of the spring, the fixed clamping block arranged on the inner wall of the wiring frame is matched, a good clamping effect can be realized on the wiring plug inserted into the wiring socket, the condition that the detection is influenced by the looseness of the wiring plug in the actual detection process is avoided, the clamping firmness is further ensured by matching with the rubber layers arranged at one sides of the movable clamping block and the fixed clamping block, only the movable clamping block needs to be pulled open by a pull rod when the wiring plug is inserted, and the practical use is facilitated.

4. The antenna and the mounting frame which are distributed in a parallel manner can ensure the accuracy of the positions, the antenna can be matched with a transmission module arranged in the control panel to remotely transmit detected data, the detected data can be conveniently recorded and compared, the actual using effect of the grounding detection device is improved, the antenna and the mounting frame which are of a rotating structure can be conveniently folded and stored, and the device can be conveniently carried.

5. According to the invention, the insertion block arranged at one end of the first fastening belt is matched with the groove block arranged at one end of the second fastening belt, so that the effect of movable connection between the first fastening belt and the second fastening belt is achieved, and the first fastening belt and the second fastening belt both have certain elasticity, so that the detection line and the detection head are convenient to store and carry, the situation that the detection line and the detection head are damaged due to shaking in the storage frame is avoided, and the situation that the detection line and the detection head are lost is avoided.

Drawings

Fig. 1 is a schematic view of the overall internal structure of a grounding detection device for installation and debugging of a power station according to the present invention;

FIG. 2 is a schematic view of a connection assembly of the grounding detection device for installation and debugging of a power station according to the present invention;

FIG. 3 is a schematic view of a three-dimensional structure of a movable clamping block of the grounding detection device for installation and debugging of a power station according to the present invention;

FIG. 4 is a schematic diagram of the overall external structure of a grounding detection device for installation and debugging of a power station according to the present invention;

fig. 5 is an enlarged schematic structural diagram of a portion a in fig. 1 of the ground fault detection apparatus for installation and debugging of a power station according to the present invention.

In the figure: 1. a device case; 101. a portable box body; 102. a handle; 103. an insulating layer; 104. protecting the corner; 105. limiting the inserting cylinder; 106. a connecting hinge; 107. a cover body; 108. limiting and inserting the column; 109. grooving; 1010. a sponge layer; 1011. fastening buckles; 1012. a leg block; 1013. an anti-slip layer; 2. a connecting assembly; 201. a wiring frame; 202. a control panel; 203. limiting a guide rail; 204. a limiting slide block; 205. a movable clamping block; 206. a spring; 207. a pull rod; 208. a rubber layer; 209. a wiring socket; 2010. fixing the clamping block; 3. a transmission assembly; 301. a mounting frame; 302. a rotating shaft; 303. an antenna; 304. a dust cover; 4. a receiving assembly; 401. a storage frame; 402. a first fastening tape; 403. inserting a block; 404. a second fastening tape; 405. a groove block; 406. a storage cover body.

Detailed Description

Referring to fig. 1-5, a grounding detection device for installation and debugging of a power station comprises a device box 1 and a transmission assembly 3, wherein a connection assembly 2 is arranged on the right side inside the device box 1, the connection assembly 2 comprises a connection frame 201, a control panel 202, a limit guide rail 203, a limit slider 204, a movable clamping block 205, a spring 206, a pull rod 207, a rubber layer 208, a wiring socket 209 and a fixed clamping block 2010, the control panel 202 is connected to the left side of the connection frame 201, the limit guide rail 203 is arranged on two sides inside the connection frame 201, the limit slider 204 is connected to the outer side of the limit guide rail 203, the movable clamping block 205 is connected to the outer side of the limit slider 204, the spring 206 is arranged at two ends of one side of the movable clamping block 205, the pull rod 207 is arranged at two ends of one side of the movable clamping block 205 close to the middle part, the rubber layer 208 is arranged at the other side of the movable clamping block 205, the fixed clamping block 2010 is arranged on the left side inside the connection frame 201, the wiring socket 209 is arranged at the bottom of the inner side of the connection frame 201, the transmission component 3 is arranged at the lower end of the middle part of the inner side of the device box 1, and the storage component 4 is arranged at the left side of the inner part of the device box 1;

the specific operation is as follows, the limiting slide blocks 204 arranged at two ends of the movable clamping block 205 are matched with the limiting guide rails 203 arranged at two sides in the wiring frame 201, so that the acting force of the movable clamping block 205 on the spring 206 has an elastic effect on a horizontal straight line position, the fixed clamping block 2010 arranged on the inner wall of the wiring frame 201 is matched, a good clamping effect can be achieved on a wiring plug inserted into the wiring socket 209, the situation that the detection is influenced by the looseness of the wiring plug in the actual detection process is avoided, the firmness of clamping is further ensured by matching with the rubber layer 208 arranged at one side of the movable clamping block 205 and the fixed clamping block 2010, and only the movable clamping block 205 needs to be pulled open through the pull rod 207 when the wiring plug is inserted, so that the practical use is facilitated;

referring to fig. 1, 4 and 5, the device case 1 includes a portable case 101, a handle 102, an insulating layer 103, a corner protector 104, a position-limiting insertion cylinder 105, a connection hinge 106, a cover 107, position-limiting insertion columns 108, slots 109, a sponge layer 1010, fastening buckles 1011, leg blocks 1012 and an anti-slip layer 1013, wherein the handle 102 is disposed on one side of the outside of the portable case 101, the insulating layer 103 is disposed on the inner wall of the portable case 101, the corner protector 104 is disposed on four corners of the outside of the portable case 101, the position-limiting insertion cylinder 105 is disposed on four corners of the inside of the portable case 101, the connection hinge 106 is disposed on the other side of the outside of the portable case 101, the cover 107 is connected to the other side of the connection hinge 106, the position-limiting insertion columns 108 are disposed on four corners of the inside of the cover 107, the slots 109 are disposed on the right side of the inside of the cover 107, the sponge layer 1010 is disposed on the inner wall of the cover 107, the fastening buckles are disposed on the other side of the outside of the cover 107, the lower end of the outside of the portable case 101 is disposed with the leg blocks 1012, the lower surface of the supporting leg block 1012 is provided with an anti-skid layer 1013, the limit inserting cylinders 105 are equidistantly distributed at four corners of the inner side of the portable box body 101, the diameter size of the outer side of the limit inserting cylinders 108 is matched with the diameter size of the inner side of the limit inserting cylinders 105, the cover body 107 forms a frame structure with the portable box body 101 through the limit inserting cylinders 108 and the limit inserting cylinders 105, the four corners of the outer side of the cover body 107 and the four corners of the outer side of the portable box body 101 are respectively provided with a corner protector 104, the sponge layer 1010 is bonded with the portable box body 101, the supporting leg blocks 1012 are equidistantly distributed at the lower end of the outer side of the portable box body 101, and the anti-skid layer 1013 is fixedly connected with the supporting leg blocks 1012;

the specific operation is as follows, the limit inserting cylinders 105 arranged at four corners inside the portable box 101 are matched with the limit inserting columns 108 arranged at four corners inside the cover 107, when the cover 107 and the portable box 101 are closed, the limit inserting columns 108 are inserted into the limit inserting cylinders 105, so that the portable box 101 and the cover 107 integrally form a frame structure, the condition that internal components of the portable box 101 are damaged due to deformation caused by the pressure from the upper end of the cover 107 is avoided, the actual service life of the detection device is prolonged, the corner protectors 104 arranged at four corners outside the cover 107 and the portable box 101 can play a good protection and falling-resistant effect, the condition that the cover 107 and the portable box 101 are deformed and damaged due to collision in the carrying process is avoided, the sponge layer 1012 arranged on the inner wall of the portable box 101 can play a good buffering and protection effect, and the anti-skid layer 1013 arranged on the lower surface of the supporting leg block is also provided, the friction force between the portable box body 101 and the ground can be effectively increased, and the situation that the portable box body 101 deviates to influence the use in the use process is avoided;

referring to fig. 1, 2, 3 and 5, the limiting sliders 204 are symmetrically distributed along the central axis of the movable clamping block 205, and the inner sides of the limiting sliders 204 are attached to the inner sides of the limiting guide rails 203, and the movable clamping block 205 forms a sliding structure with the wire frame 201 through the spring 206, the limiting slide block 204 and the limiting guide rail 203, the fixed clamping block 2010 and the movable clamping block 205 are distributed in parallel, the rubber layer 208 is connected with the movable clamping block 205 in an embedded manner, and one side of the movable clamping block 205 and one side of the fixed clamping block 2010 are both provided with a rubber layer 208, the transmission assembly 3 comprises a mounting frame 301, a rotating shaft 302, an antenna 303 and a dust cover 304, a rotating shaft 302 is arranged at the left side inside the mounting frame 301, an antenna 303 is connected at the outer side of the rotating shaft 302, a dustproof cover 304 is connected at one side of the mounting frame 301, the antenna 303 and the mounting frame 301 are distributed in a parallel manner, the antenna 303 forms a rotating structure with the mounting frame 301 through the rotating shaft 302;

the antenna 303 and the mounting frame 301 which are distributed in a parallel manner can ensure the accuracy of the positions between the antenna 303 and the mounting frame 301, the antenna 303 can be matched with a transmission module arranged in the control panel 202 to remotely transmit detected data, so that the detected data can be conveniently recorded and compared, the actual using effect of the grounding detection device is improved, the antenna 303 and the mounting frame 301 which are of a rotary structure are convenient to fold and store the antenna 303, and the device can be conveniently carried;

referring to fig. 1 and 5, the storage assembly 4 includes a storage frame 401, a first fastening belt 402, an insertion block 403, a second fastening belt 404, a slot block 405 and a storage cover 406, the first fastening belt 402 is disposed on the left side of the interior of the storage frame 401, the insertion block 403 is connected to the other end of the first fastening belt 402, the second fastening belt 404 is disposed on the right side of the interior of the storage frame 401, the slot block 405 is disposed on the other end of the second fastening belt 404, the storage cover 406 is connected to one side of the storage frame 401, the first fastening belt 402 and the second fastening belt 404 are symmetrically distributed along the vertical central axis of the storage frame 401, and the first fastening belt 402 and the second fastening belt 404 form a movable structure through the insertion block 403 and the slot block 405;

the concrete operation is as follows, the setting is at the inserted block 403 of first fastening area 402 one end, the cooperation sets up the groove block 405 in second fastening area 404 one end, make the effect that reachs swing joint between first fastening area 402 and the second fastening area 404, and first fastening area 402 and second fastening area 404 all have certain elasticity, be convenient for like this accomodate the detection line and detect the head, and convenient to carry avoids the detection line and detects the head and accomodate the frame 401 inside condition of rocking the appearance damage, avoid the detection line and detect the condition that the head appears losing.

To sum up, the grounding detection device for installation and debugging of the power station is used, firstly, the connecting plug is connected with the wiring socket 209, the anti-skid layer 1013 is arranged on the lower surface of the supporting leg block 1012, so that the friction force between the portable box 101 and the ground can be effectively increased, the condition that the portable box 101 is deviated to influence the use in the use process is avoided, when the wire clamping plug is inserted, only the movable clamping block 205 needs to be pulled open through the pull rod 207, the limiting slide blocks 204 arranged at the two ends of the movable clamping block 205 are matched with the limiting guide rails 203 arranged at the two sides in the wiring frame 201, so that the acting force of the movable clamping block 205 on the spring 206 has the elastic effect on the horizontal straight line position, and the fixed clamping block 2010 arranged on the inner wall of the wiring frame 201 can have a good clamping effect on the wire clamping plug inserted into the wiring socket 209, and the condition that the looseness of the wire, the rubber layer 208 arranged on one side of the movable clamping block 205 and the fixed clamping block 2010 is matched to further ensure the clamping firmness, the detection head is matched with the control panel 202 to perform detection work, the antenna 303 is matched with a transmission module arranged in the control panel 202 to remotely transmit detected data, the detected data is conveniently recorded and compared, the actual use effect of the grounding detection device is improved, the antenna 303 and the mounting frame 301 which are of a rotating structure are used for conveniently folding and accommodating the antenna 303 and carrying the device, the insertion block 403 arranged at one end of the first fastening belt 402 is matched with the groove block 405 arranged at one end of the second fastening belt 404, so that the effect of movable connection between the first fastening belt 402 and the second fastening belt 404 is achieved, and the first fastening belt 402 and the second fastening belt 404 both have certain elasticity, so that the detection line and the detection head are conveniently accommodated, portable, the setting is at the inside four corners of portable box 101 spacing insert a section of thick bamboo 105, the cooperation sets up the spacing post 108 of inserting in the inside four corners of lid 107, spacing post 108 of inserting inserts inside the section of thick bamboo 105 when lid 107 and portable box 101 are closed, make portable box 101 and lid 107 wholly constitute frame rack structure, the angle bead 104 of setting in lid 107 and the outside four corners of portable box 101, can play fine protection and resist falling the effect, avoid carrying the in-process and receive the collision and make lid 107 and portable box 101 the condition that the deformation damaged appear, the setting can play fine buffering protective effect at the sponge layer 1010 of portable box 101 inner wall.