1. The utility model provides an automobile valve body gas tightness detection device which characterized in that: the device comprises a detection pool (1), an air pump box (2), a first air cylinder (4), a bracket (5), a detection mechanism (6), a connecting pipe fitting and an automobile valve body (22);

an air pump box (2) is arranged on one side of the top surface of the detection pool (1), an air pump is arranged in the air pump box (2), a support (5) is arranged in the detection pool (1), a first air cylinder (4) is arranged on the top surface of the support (5), and the output end of the first air cylinder (4) penetrates through the support (5) and is connected with a detection mechanism (6); the air pump is connected with the detection mechanism (6) through a connecting pipe fitting;

the detection mechanism (6) comprises a base (7), limiting slide rods (8), limiting slide seats (9), limiting slide plates (10), an air inlet pipe (11), a connecting piece (12), a second air cylinder (15), a connecting plate (16), movable telescopic joints (17) and circulation grooves (18), wherein the base (7) is connected with the output end of the first air cylinder (4), two groups of limiting slide rods (8) are arranged in parallel, two ends of each limiting slide rod (8) are respectively arranged on the base (7), a group of limiting slide seats (9) and a plurality of groups of limiting slide plates (10) are respectively sleeved on each limiting slide rod (8) in a sliding manner, the limiting slide plates (10) far away from one side of each limiting slide seat (9) are arranged on the inner wall of the base (7) through the connecting plate (16), the group of limiting slide seats (9) and the plurality of groups of limiting slide plates (10) are mutually connected through the movable telescopic joints (17), and the limiting slide seats (9) are connected with the output end of the second air cylinder (15), the second cylinder (15) is installed on the inner wall of the base (7), and the two sides of the limiting sliding seat (9) and the limiting sliding plate (10) are respectively connected with the automobile valve body (22) through the connecting piece (12).

2. The device for detecting the airtightness of the automobile valve body according to claim 1, wherein rectangular circulation grooves (18) are formed in the bottoms of the limiting sliding seat (9) and the limiting sliding plate (10), one side of each circulation groove (18) is connected with an air inlet pipe (11), and the air inlet pipe (11) is connected with an output end of the air pump through a communication pipe fitting.

3. The device for detecting the airtightness of the automobile valve body according to claim 1, wherein the connecting member (12) comprises a connecting pipe (13) and a connecting sleeve (14), the connecting pipe (13) is correspondingly installed on the limiting slide seat (9) and the limiting slide plate (10), the connecting pipe (13) is communicated with the circulation groove (18), the connecting pipe (13) is connected with the connecting sleeve (14), and the connecting sleeve (14) is connected with the automobile valve body (22).

4. The device for detecting the air tightness of the automobile valve body according to claim 2, wherein the communicating pipe comprises a first connecting hose (3), a second connecting hose (19), a flow distribution plate (20) and a flow distribution cavity (21), the first connecting hose (3) is connected with an output end of the air pump, the first connecting hose (3) is connected with the flow distribution plate (20), a plurality of groups of second connecting hoses (19) are arranged on one side, away from the first connecting hose (3), of the flow distribution plate (20) at equal intervals, and the second connecting hose (19) is connected with the air inlet pipe (11).

5. The device for detecting the airtightness of the valve body of the automobile according to claim 4, wherein a shunt chamber (21) is provided in the shunt plate (20), and the first connecting hose (3), the shunt chamber (21) and the second connecting hose (19) are communicated with each other.

Background

The valve body is a device used for controlling the direction, pressure and flow of fluid in a fluid system, so that the air tightness of the valve body is very important, but some existing valve bodies mainly depend on manual assembly, a valve core is assembled on the valve body manually, but human factors exist in a manual tool formula, the precision is not easy to control during assembly, the assembly precision is low, poor products are easy to occur due to insufficient sealing performance, and therefore the air tightness of the valve body cannot be guaranteed, and the air tightness of the valve body needs to be tested.

In the prior art, when detecting the automobile valve body, the detection equipment is complex and expensive, meanwhile, the number of the detected automobile valve bodies is limited, the applicability of the equipment is poor, and when detecting the valve bodies of different models, parts of the equipment need to be replaced, and the use of the equipment is troublesome.

Disclosure of Invention

The invention aims to provide an automobile valve body air tightness detection device, aiming at solving the problems that in the prior art, when an automobile valve body is detected, detection equipment is complex and expensive, the number of the detected automobile valve bodies is limited, the applicability of the equipment is poor, and when the automobile valve bodies of different types are detected, parts of the equipment need to be replaced, so that the use is troublesome.

The purpose of the invention can be realized by the following technical scheme:

an automobile valve body air tightness detection device comprises a detection pool, an air pump box, a first air cylinder, a support, a detection mechanism, a connecting pipe fitting and an automobile valve body;

an air pump box is arranged on one side of the top surface of the detection pool, an air pump is arranged in the air pump box, a support is arranged in the detection pool, a first air cylinder is arranged on the top surface of the support, and the output end of the first air cylinder penetrates through the support and is connected with a detection mechanism; the air pump is connected with the detection mechanism through a connecting pipe fitting;

detection mechanism includes the base, spacing slide bar, spacing slide, the intake pipe, the connecting piece, the second cylinder, the connecting plate, the activity telescopic joint, the circulation groove, the base is U type structure, the base is connected with the output of first cylinder, spacing slide bar parallel arrangement has two sets ofly, the both ends of spacing slide bar are installed respectively on the base, it is equipped with a set of spacing slide and the spacing slide of multiunit to slide the cover respectively on the spacing slide bar, the spacing slide of keeping away from spacing slide one side passes through the connecting plate and installs on the inner wall of base, through activity telescopic joint interconnect between a set of spacing slide and the spacing slide of multiunit, spacing slide is connected with the output of second cylinder, the second cylinder is installed on the inner wall of base, the both sides of spacing slide and spacing slide are connected with car valve body through the connecting piece respectively.

Preferably, the bottoms of the limiting sliding seat and the limiting sliding plate are provided with rectangular circulation grooves, one sides of the circulation grooves are connected with the air inlet pipe, and the air inlet pipe is connected with the output end of the air pump through a communicating pipe fitting.

Preferably, the connecting piece comprises a connecting pipe and a connecting sleeve, the connecting pipe is correspondingly arranged on the limiting sliding seat and the limiting sliding plate, the connecting pipe is communicated with the circulation groove, the connecting pipe is connected with the connecting sleeve, and the connecting sleeve is connected with the automobile valve body.

Preferably, the communicating pipe fitting comprises a first connecting hose, a second connecting hose, a splitter plate and a splitter cavity, the first connecting hose is connected with the output end of the air pump, the first connecting hose is connected with the splitter plate, a plurality of groups of second connecting hoses are arranged on one side, away from the first connecting hose, of the splitter plate at equal intervals, and the second connecting hoses are connected with the air inlet pipe.

Preferably, a shunting cavity is arranged in the shunting plate, and the first connecting hose, the shunting cavity and the second connecting hose are communicated with each other.

Compared with the prior art, the invention has the beneficial effects that: the detection mechanism is provided with the group of limiting sliding seats and the group of limiting sliding plates, so that a plurality of automobile valve bodies can be simultaneously installed on the detection mechanism for detection, in addition, connecting pieces are respectively arranged on two sides of the limiting sliding seats and the groups of limiting sliding plates, the installation amount of the automobile valve bodies is further increased, the limiting sliding seats are driven to move along the limiting sliding rods by controlling the second air cylinder to work, the limiting sliding seats drive the groups of limiting sliding plates to move along with the limiting sliding rods through the movable telescopic joints, and therefore, the distance between the limiting sliding seats and the groups of limiting sliding plates is changed, the distance between the groups of connecting pieces is changed, and the detection mechanism can be used for installing automobile valve bodies of different models; therefore, the detection mechanism not only can detect a plurality of groups of automobile valve bodies, but also can be suitable for automobile valve bodies of different models, thereby greatly improving the detection efficiency of the automobile valve bodies;

the automobile valve body is installed on the detection mechanism, then the first air cylinder is controlled to work to drive the detection mechanism provided with the automobile valve body to move downwards, so that the automobile valve body is soaked in clean water, then the valve of the connecting pipe fitting is opened, compressed air enters the automobile valve body through the connecting pipe fitting, whether bubbles are generated in the water of the automobile valve body is observed, if bubbles are generated at the automobile valve, the problem that the air tightness of the automobile valve body is poor is solved, no bubbles are generated, and the air tightness of the automobile valve body is good.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a side view of the connection between the detection cell and the detection mechanism according to the present invention.

Fig. 3 is a schematic perspective view of the detecting mechanism of the present invention.

FIG. 4 is a cross-sectional view of the detecting unit of the present invention.

FIG. 5 is a schematic structural view showing the connection relationship between the communicating pipe and the circulation groove in the present invention.

In the figure: 1. a detection cell; 2. an air pump box; 3. a first connecting hose; 4. a first cylinder; 5. a support; 6. a detection mechanism; 7. a base; 8. a limiting slide bar; 9. a limiting sliding seat; 10. a limiting sliding plate; 11. an air inlet pipe; 12. a connecting member; 13. a connecting pipe; 14. connecting sleeves; 15. a second cylinder; 16. a connecting plate; 17. a movable telescopic joint; 18. a circulation tank; 19. a second connecting hose; 20. a flow distribution plate; 21. a shunting cavity; 22. automobile valve body.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an air tightness detecting device for an automobile valve comprises a detecting pool 1, an air pump box 2, a first air cylinder 4, a bracket 5, a detecting mechanism 6, a connecting pipe fitting and an automobile valve 22;

clean water is filled in the detection pool 1, wet-process air tightness detection is carried out on the automobile valve body 22 through the clean water, an air pump box 2 is arranged on one side of the top surface of the detection pool 1, an air pump is arranged in the air pump box 2, a support 5 is arranged in the detection pool 1, the support 5 is of a U-shaped structure, a first air cylinder 4 is arranged on the top surface of the support 5, and the output end of the first air cylinder 4 penetrates through the support 5 and is connected with a detection mechanism 6; the air pump is connected with the detection mechanism 6 through a connecting pipe fitting; the method comprises the steps of installing the automobile valve body 22 on the detection mechanism 6, then controlling the first air cylinder 4 to work, driving the detection mechanism 6 provided with the automobile valve body 22 to move downwards, enabling the automobile valve body 22 to be soaked in clear water, opening a valve of a connecting pipe fitting, enabling compressed air to enter the automobile valve body 22 through the connecting pipe fitting, and observing whether bubbles are generated in the automobile valve body 22 in water, wherein if bubbles exist at the position of the automobile valve body 22, the problem that the air tightness of the automobile valve body 22 is poor is solved, and if no bubbles are generated, the air tightness of the automobile valve body 22 is good, so that the air tightness of the automobile valve body 22 is simply and efficiently detected, and the problem that whether the air tightness of the automobile valve body 22 is poor is conveniently and directly observed and detected;

the detection mechanism 6 comprises a base 7, a limit slide bar 8, a limit slide 9, a limit slide 10, an air inlet pipe 11, a connecting piece 12, a second cylinder 15, a connecting plate 16, a movable expansion joint 17 and a circulation groove 18, the base 7 is of a U-shaped structure, the base 7 is connected with the output end of the first air cylinder 4, two groups of limiting slide bars 8 are arranged in parallel, two ends of each limiting slide bar 8 are respectively installed on the base 7, a group of limiting slide seats 9 and a plurality of groups of limiting slide plates 10 are respectively sleeved on each limiting slide bar 8 in a sliding mode, the limiting slide plates 10 far away from one sides of the limiting slide seats 9 are installed on the inner wall of the base 7 through connecting plates 16, the group of limiting slide seats 9 and the plurality of groups of limiting slide plates 10 are mutually connected through movable telescopic joints 17, the limiting slide seats 9 are connected with the output end of the second air cylinder 15, the second air cylinder 15 is installed on the inner wall of the base 7, and two sides of the limiting slide seats 9 and the limiting slide plates 10 are respectively connected with the automobile valve body 22 through connecting pieces 12; because a group of limiting slide seats 9 and a plurality of groups of limiting slide plates 10 are arranged, a plurality of automobile valve bodies 22 can be simultaneously installed on the detection mechanism 6 for detection, in addition, connecting pieces 12 are respectively arranged on two sides of the limiting slide seats 9 and two sides of the plurality of groups of limiting slide plates 10, the installation amount of the automobile valve bodies 22 is further increased, the limiting slide seats 9 are driven to move along the limiting slide rods 8 by controlling the work of second air cylinders 15, the limiting slide seats 9 drive the plurality of groups of limiting slide plates 10 to move along with the movement of the limiting slide seats 9 through movable telescopic joints 17, so that the distance between the limiting slide seats 9 and the plurality of groups of limiting slide plates 10 is changed, the distance between the connecting pieces 12 is changed, and the detection mechanism 6 can install automobile valve bodies 22 of different models; therefore, the detection mechanism 6 of the invention not only can detect a plurality of groups of automobile valve bodies 22, but also can be suitable for automobile valve bodies 22 of different models, thereby greatly improving the detection efficiency of the automobile valve bodies 22;

rectangular circulation grooves 18 are formed in the bottoms of the limiting sliding seat 9 and the limiting sliding plate 10, one sides of the circulation grooves 18 are connected with air inlet pipes 11, and the air inlet pipes 11 are connected with the output end of the air pump through communicating pipe fittings;

the connecting piece 12 comprises a connecting pipe 13 and a connecting sleeve 14, the connecting pipe 13 is correspondingly arranged on the limiting sliding seat 9 and the limiting sliding plate 10, the connecting pipe 13 is communicated with a circulation groove 18, the connecting pipe 13 is in threaded connection with the connecting sleeve 14, the connecting sleeve 14 is in threaded connection with the automobile valve body 22, the connecting pipe 13 and the connecting sleeve 14 are in threaded connection, the connecting sleeve 14 is convenient to disassemble and assemble, different connectors are rotated to be connected with the automobile valve body 22, and the connecting sleeve 14 is in threaded connection with the automobile valve body 22, so that the detected automobile valve body 22 is convenient to disassemble and assemble;

the communicating pipe fitting comprises a first connecting hose 3, a second connecting hose 19, a flow distribution plate 20 and a flow distribution cavity 21, the first connecting hose 3 is connected with the output end of the air pump, the first connecting hose 3 is connected with the flow distribution plate 20, the flow distribution plate 20 is internally provided with the rectangular flow distribution cavity 21, the first connecting hose 3, the flow distribution cavity 21 and the second connecting hose 19 are communicated with each other, one side of the flow distribution plate 20, far away from the first connecting hose 3, is provided with a plurality of groups of second connecting hoses 19 at equal intervals, and the second connecting hoses 19 are connected with the air inlet pipe 11.

The working principle of the invention is as follows: detecting the type and the size of an automobile valve body 22 as required, adjusting the distance between each group of connecting pieces 12, specifically, driving a limiting sliding seat 9 to move along a limiting sliding rod 8 by controlling a second air cylinder 15 to work, and driving a plurality of groups of limiting sliding plates 10 to move along with the limiting sliding seat 9 through a movable telescopic joint 17, so as to change the distance between the limiting sliding seat 9 and the plurality of groups of limiting sliding plates 10; then, the connecting sleeve 14 with different models is replaced according to the model and the size of the automobile valve body 22, and then the automobile valve body 22 is installed on the connecting sleeve 14;

the automobile valve body 22 is installed on the detection mechanism 6, then the first air cylinder 4 is controlled to work, the detection mechanism 6 provided with the automobile valve body 22 is driven to move downwards, the automobile valve body 22 is soaked in clean water, then a valve of a connecting pipe fitting is opened, compressed air enters the automobile valve body 22 through the connecting pipe fitting, whether bubbles are generated in the automobile valve body 22 in water is observed, if bubbles exist at the position of the automobile valve body 22, the problem that the air tightness of the automobile valve body 22 is poor is shown, and no bubbles are generated, the air tightness of the automobile valve body 22 is good is shown.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.