1. The utility model provides a chemical reagent drying cabinet for teaching demonstration, includes box (1), its characterized in that: the improved structure of the plastic bag packing box is characterized in that a cavity (2) is formed in the middle of the front wall of the box body (1), two vertical grooves (3) are symmetrically formed in the top surface of the box body (1) relative to the positions of two sides of the cavity (2), side plates (4) are inserted into the vertical grooves (3), a groove (5) is formed in the middle of the inner wall of each side plate (4), a cloth bag (6) is arranged in each groove (5), two rabbets (7) are fixedly arranged on the front side and the rear side of the opening end of the cloth bag (6) in a symmetrical structure, a plurality of key teeth (8) are fixedly arranged on the inner side wall and the outer side wall of the opening end of the cloth bag (6) in a linear and equidistant mode, a pull head (9) is arranged above the front end of the opening end of the cloth bag (6), a filter plate (10) is embedded in the middle of the inner side wall of the vertical groove (3), a moving seat (11) is arranged on the rear side of the bottom surface of the cavity (2), a sliding block (12) is fixedly arranged on the rear side of the bottom surface of the moving seat (11), a sliding groove (13) relative to the sliding block (12) is formed, remove seat (11) antetheca middle part and be connected with chamber door (14) through connecting block (1101), wall has set firmly rubber circle (15) behind chamber door (14), chamber door (14) antetheca middle part bonds and has write board (16), storing chamber (17) have been seted up in removal seat (11) top surface middle part, storing chamber (17) bottom surface is equipped with swivel (18), swivel (18) circumference outer wall is annular equidistant a plurality of tooth posts (19) have set firmly, annular (20) have been seted up for the position of swivel (18) outside portion and tooth post (19) in storing chamber (17) lower part, it has seted up through mouthful (21) to remove seat (11) right wall lower extreme, it is equipped with rack (22) to link (21) the right-hand, swivel (18) top surface has set firmly screw block (23), screw block (23) top is annular equidistant a plurality of clamp splice (24), thread groove (25) have been seted up for the position of spiral piece (23) to clamp splice (24) bottom surface, adjacent two be equipped with limiting plate (26) between clamp splice (24), fixing base (2601) and storing chamber (17) inner wall connection are passed through in limiting plate (26) outer wall middle part are fixed, limiting plate (26) both sides tip has all set firmly deflector (27), guide groove (28) have been seted up for the position of deflector (27) to clamp splice (24) outer wall, clamp splice (24) top surface middle part has set firmly baffle (29).

2. A chemical reagent drying box for teaching demonstration according to claim 1, characterized in that: the vertical groove (3) and the side plate (4) are of L-shaped structures with large top and small bottom, the vertical groove (3) is in plug-in fit with the side plate (4), and the cloth bag (6) is in plug-in fit with the groove (5).

3. A chemical reagent drying box for teaching demonstration according to claim 1, characterized in that: the drying agent is filled in the cloth bag (6), the plurality of key teeth (8) on the inner side and the outer side are arranged in a staggered structure, the plurality of key teeth (8) on the inner side and the outer side are meshed and connected, and the pull head (9) is connected with the plurality of key teeth (8) in a pressing mode.

4. A chemical reagent drying box for teaching demonstration according to claim 1, characterized in that: erect groove (3) and be linked together through filter plate (10) and cavity (2), remove seat (11) and be big end down's T type post structure, slider (12) are T type structure with spout (13), slider (12) and spout (13) sliding fit, chamber door (14) back wall closely laminates with box (1) antetheca, rubber circle (15) and cavity (2) open end are pegged graft the cooperation.

5. A chemical reagent drying box for teaching demonstration according to claim 1, characterized in that: outer wall outside end and annular (20) upper and lower inner wall sliding contact about change (18), tooth post (19) outer wall and annular (20) inner wall sliding contact, rack (22) right side wall is connected fixedly with cavity (2) right side wall, tooth post (19) outside end passes through hole (21) and extends to the outside and is connected with rack (22) meshing.

6. A chemical reagent drying box for teaching demonstration according to claim 1, characterized in that: the utility model discloses a hollow sphere structure of clamp splice (24), including screw block (23), limiting plate (26), deflector (27), guide way (28), baffle (29), limiting plate (26) and thread groove (25), the inboard end of clamp splice (24) is the arc surface structure, screw block (23) is connected with thread groove (25) meshing, limiting plate (26) are the arc structure, deflector (27) and guide way (28) sliding fit, baffle (29) are one sixth hollow sphere structure.

Background

Many reagents can be used in school to carry out teaching demonstration, and some reagent cost are more expensive in the reagent of demonstration, and many need place in dry environment moreover, and these reagents nobody manage when school is on vacation summer and winter, and this kind of weather sleet is more moreover, directly places the condition and causes the reagent hydrophilic easily, causes the reagent to damage and influence subsequent use.

Through the retrieval, publication No. CN211876567U discloses a chemical reagent drying cabinet for teaching demonstration, divide into the district of holding and circulation district with the box through the division board, can utilize the ventilative board to adsorb the inside air in district of holding through the air-blower and utilize drying device to carry out the drying afterwards, can reciprocate the board of placing that is used for placing the reagent bottle through holding the device.

The mode that current device carries out the drying to box inside through the air-blower needs to rely on the supply of electric energy, and this will produce very big electric energy consumption, is unfavorable for saving of cost, and is power consumption peak period in summer and winter vacation moreover, and the power supply office can arrange the outage of staggering peak, and these reagents just can lose the drying effect that the air-blower brought during the outage, and this will make the humidity influence reagent in this device, in view of this, we provide a chemical reagent drying cabinet for teaching demonstration.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to provide a chemical reagent drying box for teaching demonstration, which aims to solve the problems in the background technology.

2. Technical scheme

A chemical reagent drying box for teaching demonstration comprises a box body, wherein a cavity is formed in the middle of the front wall of the box body, two vertical grooves are symmetrically formed in the top surface of the box body relative to the positions of two sides of the cavity, side plates are inserted into the vertical grooves, a groove is formed in the middle of the inner wall of each side plate, a cloth bag is arranged in the groove, two rabbets are fixedly arranged on the front side and the rear side of the opening end of the cloth bag in a symmetrical structure, a plurality of key teeth are fixedly arranged on the inner side wall and the outer side wall of the opening end of the cloth bag in a linear and equidistant mode, a pull head is arranged above the front end of the opening end of the cloth bag, a filter plate is embedded in the middle of the inner side wall of each vertical groove, a moving seat is arranged on the rear side of the bottom surface of the cavity, a sliding block is fixedly arranged on the rear side of the bottom surface of the moving seat, a sliding groove is formed in the position, relative to the sliding block, a box door is fixedly provided with a rubber ring, a writing board is bonded in the middle of the front wall of the box door, a storage cavity is arranged in the middle of the top surface of the movable seat, the bottom surface of the storage cavity is provided with a rotating ring, the outer wall of the circumference of the rotating ring is annularly and fixedly provided with a plurality of tooth columns at equal intervals, the lower part of the storage cavity is provided with a ring groove relative to the outer side part of the rotary ring and the tooth column, the lower end of the right wall of the movable seat is provided with a through hole, a rack is arranged on the right of the through hole, a spiral block is fixedly arranged on the top surface of the rotary ring, a plurality of clamping blocks are annularly arranged above the spiral block at equal intervals, thread grooves are arranged on the bottom surfaces of the clamping blocks relative to the spiral blocks, a limit plate is arranged between every two adjacent clamping blocks, the middle part of the outer wall of the limiting plate is fixedly connected with the inner wall of the storage cavity through a fixing seat, guide plates are fixedly arranged at the end parts of the two sides of the limiting plate, the clamping block is characterized in that a guide groove is formed in the outer wall of the clamping block relative to the guide plate, and a baffle is fixedly arranged in the middle of the top surface of the clamping block.

Preferably, the vertical groove and the side plate are both of an L-shaped structure with a large top and a small bottom, the vertical groove is in inserting fit with the side plate, and the cloth bag is in inserting fit with the groove.

Preferably, the drying agent is filled in the cloth bag, the plurality of key teeth on the inner side and the outer side are arranged in a staggered structure, the plurality of key teeth on the inner side and the outer side are meshed and connected, and the pull head is connected with the plurality of key teeth in a pressing mode.

Preferably, the vertical groove is communicated with the cavity through a filter plate, the movable seat is of a T-shaped column structure with a small upper part and a large lower part, the sliding block and the sliding groove are of a T-shaped structure, the sliding block is in sliding fit with the sliding groove, the rear wall of the box door is tightly attached to the front wall of the box body, and the rubber ring is in inserting fit with the opening end of the cavity.

Preferably, the outer side end of the upper outer wall and the lower outer wall of the rotating ring are in sliding contact with the upper inner wall and the lower inner wall of the ring groove, the outer wall of the toothed column is in sliding contact with the inner wall of the ring groove, the right wall of the rack is fixedly connected with the right wall of the cavity, and the outer side end of the toothed column penetrates through the through hole to extend to the outside and is connected with the rack in a meshed mode.

Preferably, the end of the inner side of the clamping block is of an arc-shaped structure, the screw block is meshed with the thread groove, the limiting plate is of an arc-shaped structure, the guide plate is in sliding fit with the guide groove, and the baffle is of a one-sixth hollow sphere structure.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

1. the invention is provided with the vertical groove, the side plate is inserted in the vertical groove, the side plate and the vertical groove are both designed into L-shaped structures, the structure arrangement can form a labyrinth waterproof structure at the position of the opening end of the vertical groove after the side plate and the vertical groove are spliced, external water vapor is prevented from permeating from the crack between the side plate and the vertical groove, the groove arranged on the inner wall of the side plate is also provided with a cloth bag, a drying agent is filled in the cloth bag, the drying agent can affect the external environment through the cloth bag due to the air permeability structure of the cloth bag, and the vertical groove is also communicated with the cavity through the filter plate, so the drying agent can also generate a drying effect on the inside of the cavity, and the moisture protection degree of the device on chemical reagents stored in the cavity is improved.

2. The chemical reagent storage box is provided with the box door, the writing board fixedly arranged on the front wall of the box door can be used for recording the name of a chemical reagent in the box, so that a teacher can conveniently and quickly search and select the chemical reagent, the rubber ring fixedly arranged on the rear wall of the box door and the opening end of the box body are in an inserting fit relationship, so that a seam between the box door and the opening end of the box body can be fully sealed, the sealing effect in the device is guaranteed to the maximum extent, the middle part of the rear wall of the box door is also connected with the movable seat through the connecting block, the box door can be pulled by the front side of the device when the teacher uses the chemical reagent in the teaching process, the movable seat is driven by the box door to move forwards along the sliding fit direction of the sliding block and the sliding groove, and the teacher can.

3. The invention is provided with the movable seat, a teacher can place the chemical reagent in the storage cavity after displaying the chemical reagent in a classroom, then push the box door to push the movable seat and the chemical reagent in the movable seat into the cavity, when the movable seat moves backwards, the tooth column extending into the cavity through the through hole is meshed with the rack, so the tooth column can drive the rotating ring to rotate along the ring groove under the drive of the rack, the rotating ring rotates, the rotating of the spiral block can drive the plurality of clamping blocks, the clamping blocks can only do linear motion along the gap between the two limiting plates under the sliding fit of the guide groove and the guide plate, the structure ensures that the arc surface parts of the inner side ends of the plurality of clamping blocks can generate extrusion contact with the outer wall of the chemical reagent bottle, thereby the chemical reagent bottle can be limited and fixed, the chemical reagent can be conveniently stored, and the baffle plate on the top surface of the clamping blocks can also move towards the middle part in the process of clamping the chemical reagent by the clamping blocks, when the clamp splice removed the position of medial extremity, can closely laminate between a plurality of clamp splices and form the cover body of a hemisphere type, can be with abundant the preserving of chemical reagent bottle in an environment with outside isolation through such cover body, further improvement to chemical reagent's protectiveness, avoided external steam to chemical reagent's influence to the at utmost through setting up multiple wall, the practicality is strong.

4. According to the invention, the key teeth are arranged at the opening end of the cloth bag, a teacher can press or separate the key teeth by the pull head in a way of working the pull head back and forth between the two rabbets, and the teacher can regularly replace the drying agent filled in the cloth bag by utilizing the structure, so that the device can fully play a moisture-proof role on the chemical reagent stored in the cavity, and the moisture-proof function is not limited by electric power, so that the working personnel do not need to check the drying agent at all times, the moisture-proof reliability is improved, the electric energy consumption is reduced, and the function of one-step use is achieved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view of the case according to the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a schematic view of a cloth bag construction of the present invention;

FIG. 5 is an exploded view of the movable base of the present invention.

The reference numbers in the figures illustrate: 1. a box body; 2. a cavity; 3. a vertical slot; 4. a side plate; 5. a groove; 6. a cloth bag; 7. stopping the opening; 8. a key tooth; 9. a slider; 10. filtering the plate; 11. a movable seat; 1101. connecting blocks; 12. a slider; 13. a chute; 14. a box door; 15. a rubber ring; 16. a writing board; 17. a storage chamber; 18. rotating the ring; 19. a tooth post; 20. a ring groove; 21. a through opening; 22. a rack; 23. a screw block; 24. a clamping block; 25. grooving; 26. a limiting plate; 2601. a fixed seat; 27. a guide plate; 28. a guide groove; 29. and a baffle plate.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution:

a chemical reagent drying box for teaching demonstration comprises a box body 1, a cavity 2 is arranged in the middle of the front wall of the box body 1, two vertical grooves 3 are symmetrically arranged on the top surface of the box body 1 relative to the positions of two sides of the cavity 2, side plates 4 are inserted into the vertical grooves 3, a groove 5 is arranged in the middle of the inner wall of each side plate 4, a cloth bag 6 is arranged in each groove 5, two rabbets 7 are fixedly arranged on the front side and the rear side of the opening end of each cloth bag 6 in a symmetrical structure, a plurality of key teeth 8 are fixedly arranged on the inner side wall and the outer side wall of the opening end of each cloth bag 6 in a linear and equidistant manner, a pull head 9 is arranged above the front end of the opening end of each cloth bag 6, a filter plate 10 is embedded in the middle of the inner side wall of each vertical groove 3, a movable seat 11 is arranged on the rear side of the bottom surface of the cavity 2, a sliding block 12 is fixedly arranged on the rear side of the bottom surface of the movable seat 11, a sliding block 13 is arranged on the bottom surface of the cavity 2 relative to the sliding block 12, a box door 14 is connected with a box door 14 through a connecting block 1101, and a rubber ring 15 is fixedly arranged on the rear wall of the box door 14, a writing board 16 is bonded in the middle of the front wall of the box door 14, a storage cavity 17 is formed in the middle of the top surface of the movable seat 11, a rotating ring 18 is arranged on the bottom surface of the storage cavity 17, a plurality of tooth posts 19 are fixedly arranged on the outer circumferential wall of the rotating ring 18 at equal intervals in an annular shape, annular grooves 20 are formed in the lower portion of the storage cavity 17 relative to the outer side portion of the rotating ring 18 and the tooth posts 19, a through opening 21 is formed in the lower end of the right wall of the movable seat 11, a rack 22 is arranged on the right side of the through opening 21, a spiral block 23 is fixedly arranged on the top surface of the rotating ring 18, a plurality of clamping blocks 24 are arranged above the spiral block 23 at equal intervals in an annular shape, thread grooves 25 are formed in the bottom surface of each clamping block 24 relative to the position of the spiral block 23, a limiting plate 26 is arranged between two adjacent clamping blocks 24, the middle portion of the outer wall of, the middle part of the top surface of the clamping block 24 is fixedly provided with a baffle plate 29.

Specifically, erect groove 3 and sideboard 4 and be big-end-up's L type structure, erect groove 3 and sideboard 4 grafting cooperation, sack 6 and recess 5 grafting cooperation, utilize such structure setting can make sideboard 4 and erect groove 3 after pegging graft and can form labyrinth waterproof construction in the position of erecting 3 open ends in groove, prevent that outside steam from being by the infiltration of the two crack department.

Furthermore, the drying agent is filled in the cloth bag 6, the drying agent can affect the external environment through the cloth bag 6 due to the fact that the cloth bag 6 is of a breathable structure, the plurality of key teeth 8 on the inner side and the outer side are arranged in a staggered structure, the plurality of key teeth 8 on the inner side and the outer side are connected in a meshed mode, the pull head 9 is connected with the plurality of key teeth 8 in a pressed mode, the pull head 9 can control the key teeth 8 on the two sides to be opened and closed, opening and closing of the opening end of the cloth bag 6 are controlled, and a teacher can conveniently and regularly replace the drying agent in the cloth bag.

Furthermore, the vertical groove 3 is communicated with the cavity 2 through the filter plate 10, so that the drying agent can also generate a drying effect on the inside of the cavity 2, the movable seat 11 is of a T-shaped column structure with a small upper part and a large lower part, the sliding block 12 and the sliding groove 13 are of a T-shaped structure, the sliding block 12 and the sliding groove 13 are in sliding fit, the rear wall of the box door 14 is tightly attached to the front wall of the box body 1, the rubber ring 15 is in inserting fit with the opening end of the cavity 2, so that a crack between the box door 14 and the opening end of the box body 1 can be fully sealed, and the sealing effect inside the device is guaranteed.

Furthermore, the outer side ends of the upper and lower outer walls of the rotary ring 18 are in sliding contact with the upper and lower inner walls of the ring groove 20, the outer wall of the toothed column 19 is in sliding contact with the inner wall of the ring groove 20, the right wall of the rack 22 is fixedly connected with the right wall of the cavity 2, the outer side end of the toothed column 19 passes through the through hole 21 and extends to the outside and is in meshed connection with the rack 22, after a teacher shows chemical reagents in a classroom, the teacher can place the chemical reagents in the storage cavity 17, then the door 14 is pushed to push the movable seat 11 together with the chemical reagents in the movable seat into the cavity 2, and when the movable seat 11 moves backwards, the toothed column 19 extending into the cavity 2 through the through hole 21 is in meshed connection with the rack 22, so that the toothed column 19 can drive the rotary ring 18 to rotate along the ring groove 20 under the driving of the rack 22.

It is worth introducing that the inner ends of the clamping blocks 24 are cambered structures, the screw blocks 23 are engaged with the thread grooves 25, the limiting plates 26 are cambered structures, the guide plates 27 are in sliding fit with the guide grooves 28, the baffle plates 29 are in one-sixth hollow sphere structures, the rotation of the rotary ring 18 enables the screw blocks 23 to rotate, the rotation of the screw blocks 23 drives the plurality of clamping blocks 24, the clamping blocks 24 can only make linear motion along the gap between the two limiting plates 26 under the sliding fit of the guide grooves 28 and the guide plates 27, such a structure enables the cambered surface portions of the inner ends of the plurality of clamping blocks 24 to be in extrusion contact with the outer wall of the chemical reagent bottle, so as to limit and fix the chemical reagent bottle, facilitate the storage of the chemical reagent, the baffle plates 29 on the top surface of the clamping blocks 24 can also move towards the middle part in the process of clamping the chemical reagent, when the clamping blocks 24 move to the innermost ends, the plurality of the clamping blocks 24 can be tightly attached to form a hemispherical cover body, the chemical reagent bottle can be sufficiently preserved in an environment isolated from the outside by the cover body.

The working principle is as follows: after a teacher shows chemical reagents in a classroom, the teacher can place the chemical reagents in the storage cavity 17, then push the box door 14 to push the moving seat 11 and the chemical reagents in the moving seat 11 into the cavity 2, when the moving seat 11 moves backwards, the tooth column 19 extending into the cavity 2 through the through hole 21 is meshed with the rack 22, so that the tooth column 19 can drive the rotating ring 18 to rotate along the annular groove 20 under the drive of the rack 22, the rotating ring 18 rotates, the spiral block 23 also rotates, the rotation of the spiral block 23 drives the plurality of clamping blocks 24, the clamping blocks 24 can only do linear motion along the gap between the two limiting plates 26 under the sliding fit of the guide groove 28 and the guide plate 27, and the structure enables arc-shaped parts of the inner side ends of the plurality of clamping blocks 24 to be in extrusion contact with the outer wall of the chemical reagent bottle, so that the chemical reagent bottle can be limited and fixed, and the chemical reagents can be conveniently stored, and in the process of clamping the chemical reagent by the clamping blocks 24, the baffle 29 on the top surface also moves towards the middle part, when the clamping blocks 24 move to the innermost end position, a hemispherical cover body can be formed by tightly laminating the clamping blocks 24, the chemical reagent bottle can be fully stored in an environment isolated from the outside by the cover body, in addition, the two sides of the cavity 2 are respectively provided with a vertical groove 3, the vertical groove 3 is internally inserted with a side plate 4, both the vertical grooves are designed into L-shaped structures, by utilizing the structural arrangement, a labyrinth waterproof structure can be formed at the opening end position of the vertical groove 3 after the side plate 4 is inserted with the vertical groove 3, the permeation of external water vapor from the crack between the two is prevented, the groove 5 arranged on the inner wall of the side plate 4 is also provided with a cloth bag 6, the cloth bag 6 is filled with a drying agent, because the cloth bag 6 is a breathable structure, the drying agent can affect the external environment through the cloth bag 6, furthermore, the vertical groove 3 is communicated with the cavity 2 through the filter plate 10, so that the drying agent can also generate a drying effect on the interior of the cavity 2, the moisture-proof protection degree of the device to the chemical reagent stored in the cavity 2 is improved, the rubber ring 15 fixedly arranged on the rear wall of the box door 14 and the insertion fit relation of the opening end of the box body 1 can ensure that the crack between the box door 14 and the opening end of the box body 1 can be fully sealed, the sealing effect in the device is ensured, and the protection to the chemical reagent is further improved, the influence of external water vapor on the chemical reagent is avoided to the maximum extent by arranging the multiple partitions, the practicability is strong, when the teacher uses the chemical reagent in the teaching process, the door 14 can be pulled by the front side of the device, and then the box door 14 drives the moving seat 11 to move forward along the sliding fit direction of the sliding block 12 and the sliding groove 13, so that the teacher can take the chemical reagent in the storage cavity 17 conveniently.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.