CN220136587U

CN220136587U - Air tightness testing device capable of fixing detection piece

Info

Publication number: CN220136587U
Application number: CN202321628251.5U
Authority: CN
Inventors: 胡小明; 彭清静; 魏加能
Original assignee: Shenzhen Benky Industrial Co ltd
Current assignee: Shenzhen Benky Industrial Co ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2023-12-05
Anticipated expiration: 2033-06-26

Abstract

The utility model discloses a gas tightness testing device capable of fixing a detection piece, which relates to the field of electromagnetic valve gas tightness detection, and comprises a container pool, a bearing table for placing an electromagnetic valve, a telescopic rod and a detection mechanism, wherein the telescopic rod is fixedly arranged on the side wall of the container pool; the air leakage part can be visually observed according to the air bubble generation part relative to detection by using the sensor, and the working efficiency is further improved.

Description

Air tightness testing device capable of fixing detection piece

Technical Field

The utility model relates to the technical field of electromagnetic valve air tightness detection, in particular to an air tightness testing device capable of fixing a detection piece.

Background

The ABS and ESC are used to apply different optimal braking forces to each wheel according to the friction between the tire and road surface during running, and the braking is usually achieved by controlling the brake fluid pressure of the wheels. The efficiency of the brake can be fully exerted through the ABS/ESC, the braking time and the distance are shortened, the sideslip and the tail flick of the vehicle during emergency braking can be effectively prevented, and the running stability is good; the steering can be performed during emergency braking, and good steering operability is achieved; can avoid the severe friction between the tire and the ground and reduce the abrasion of the tire. However, once the solenoid valve in the ABS/ESC leaks, the ABS/ESC loses full functionality.

In summary, in the electromagnetic valve production process, strict air tightness detection needs to be performed on the electromagnetic valve, for example, an electromagnetic valve air tightness test device disclosed in China issued patent with publication number of CN212482834U mainly comprises a rack and a test component arranged on the rack, wherein the test component can move up and down relative to the rack, and an inner cavity capable of being inserted with a workpiece is arranged at the bottom end of the test component; the inner cavity side wall is provided with an air inlet channel and an air outlet channel, a connecting piece is movably arranged in the air inlet channel, the connecting piece comprises a first connecting pipe and a second connecting pipe which are mutually communicated, and the free end of the second connecting pipe can selectively generate displacement with the central axis of the workpiece and can be inserted into an opening of the workpiece.

In order to detect the tightness of the electromagnetic valve, gas is injected into the inner cavity of the electromagnetic valve, the tightness is judged by observing the change of the air pressure through various sensors and the air pressure detection meter, and in actual operation, whether the electromagnetic valve is sealed or not can only be judged, so that the leakage part of the electromagnetic valve cannot be accurately found.

For this purpose, we propose an airtight testing device that can fix the detecting member.

Disclosure of Invention

The utility model provides an air tightness testing device which can accurately find out an air leakage part and fix a detection piece.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a can carry out fixed gas tightness testing arrangement to detecting piece, includes the container pond, is used for placing plummer, telescopic link and the detection mechanism of solenoid valve, telescopic link fixed mounting at the lateral wall in container pond.

The detection mechanism comprises a mounting bracket, a connecting pipe and a sealing block, wherein the mounting bracket is fixedly arranged at the movable end of the telescopic rod, the connecting pipe is fixedly arranged on the outer wall of the mounting bracket, and the sealing block is detachably arranged at one end of the connecting pipe.

The sealing plug is arranged in a truncated cone shape, the inner cavity of the sealing plug is communicated with the inner cavity of the connecting pipe, and the air leakage position can be visually observed according to the air bubble generation position, so that the working efficiency is further improved.

Preferably, the outer wall fixedly connected with collar of installing support, the one end of collar extends to the inner chamber of sealing plug, and the outer wall of collar and the inner wall slip laminating of sealing plug can prevent as far as to seal the transition deformation of stopper, improves the stability when testing.

Preferably, the upper end slidable mounting of plummer has the arc, and the outer wall fixedly connected with guide block of arc, the outer wall of guide block and the inner wall slip laminating of plummer, and the slip arc can be fixed the up end at the plummer with the solenoid valve.

Preferably, the outer wall fixedly connected with haulage rope of guide block, the outer wall fixedly connected with of plummer bears the frame, bears the frame and passes through fixed pulley and haulage rope sliding fit, and the fixed pulley rotates the lateral wall of installing at bearing the frame for change the traction direction of haulage rope.

Preferably, the inner wall of the bearing table is fixedly provided with a control block, the inner cavity of the bearing table is slidably provided with a transmission block which is mutually attracted with the control block, and the outer wall of the transmission block is fixedly connected with one end of the traction rope, so that the arc-shaped plate has the trend of sealing the upper end of the bearing table in real time.

Preferably, the outer wall fixedly connected with of arc stirs the otic placode, and the up end fixed mounting of plummer has the stopper with stir otic placode looks mutual attraction, can be convenient for slide adjustment arc to take out the solenoid valve.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the mounting bracket, the connecting pipes and the sealing plugs are arranged, one connecting pipe is connected with the spring pipe and is connected with the external inflator pump, the other connecting pipe is connected with the barometer, the two sealing plugs seal the input end and the output end of the electromagnetic valve, the external inflator pump is used for inflating the inner cavity of the electromagnetic valve, whether the air leakage phenomenon exists or not is judged by observing whether the air bubbles are generated on the outer wall of the electromagnetic valve, and the air leakage detection device has the advantages of simple structure and low manufacturing cost.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the mounting bracket of the present utility model;

FIG. 3 is a schematic view of a carrier plate according to the present utility model;

FIG. 4 is a cross-sectional view of a drive block of the present utility model;

fig. 5 is a cross-sectional view of a sealing plug in accordance with the present utility model.

In the figure: 1. a container pool; 2. a connecting pipe; 3. a carrying platform; 4. a pressure gauge; 5. a spring tube; 6. a telescopic rod; 7. a mounting bracket; 8. an arc-shaped plate; 9. a limiting block; 10. a carrier; 11. a control block; 12. a transmission block; 13. a traction rope; 14. a guide block; 15. a sealing plug; 16. and (5) a mounting ring.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-5, an air tightness testing device capable of fixing a detection member in the drawings includes a container tank 1, a bearing table 3 for placing an electromagnetic valve, a telescopic rod 6 and a detection mechanism, wherein an inner cavity of the container tank 1 is used for injecting detection liquid, and common purified water is selected in the embodiment.

The telescopic rod 6 is fixedly arranged on the side wall of the container pool 1, and the telescopic rod 6 is a common electric telescopic rod.

The detection mechanism comprises a mounting bracket 7, a connecting pipe 2 and a sealing plug 15, wherein the mounting bracket 7 is fixedly arranged at the movable end of a telescopic rod 6, the telescopic rod 6 controls the mounting bracket 7 to move, and the telescopic rod 6 is provided with two electromagnetic valves which respectively correspond to the output end and the input end of the electromagnetic valve to be detected.

The connecting pipe 2 is fixedly arranged on the outer wall of the mounting bracket 7, the sealing plug 15 is detachably arranged at one end of the connecting pipe 2, the sealing plug 15 is a common rubber plug, the mounting bracket 7 moves, and the mounting bracket 7 and the connecting pipe 2 are driven to move synchronously.

One connecting pipe 2 is connected with a spring pipe 5 and is connected with an external inflator pump, and the other connecting pipe 2 is connected with a pressure gauge 4.

The sealing plugs 15 are arranged in a round table shape, the inner cavities of the sealing plugs 15 are mutually communicated with the inner cavity of the connecting pipe 2, the electromagnetic valve is placed at the upper end of the bearing table 3 during detection, the two sealing plugs 15 are controlled to move through the telescopic rod 6 until the two sealing plugs 15 seal the input end and the output end of the electromagnetic valve, the inner cavity of the electromagnetic valve is inflated through an external inflator pump, and whether bubbles are generated on the outer wall of the electromagnetic valve is observed.

In this embodiment, the sealing at the connection position of the valve seat of the electromagnetic valve is detected, and when bubbles are generated at the connection position of the valve seat of the electromagnetic valve, the connection position of the valve seat is provided with cracks, and the sealing detection is unqualified.

When no bubble is generated at the valve seat connection position of the electromagnetic valve for a long time, the valve seat connection position is free of air leakage cracks, the sealing detection is qualified, compared with the prior art, the electromagnetic valve has the advantages of simple structure and low manufacturing cost after the air pressure change of the inner cavity of the electromagnetic valve is detected through various complicated sensors, and meanwhile, compared with the detection by using the sensors, the air leakage position can be visually observed according to the air bubble generation position, and the working efficiency is further improved.

In addition, the pressure gauge 4 is arranged to intuitively observe the air pressure in the inner cavity of the electromagnetic valve after inflation, avoid the air pressure exceeding the safety range and improve the use safety.

The outer wall fixedly connected with collar 16 of installing support 7, the inner chamber of airtight stopper 15 is extended to the one end of collar 16, and the outer wall of collar 16 and the inner wall slip laminating of airtight stopper 15, when airtight stopper 15 shutoff solenoid valve, support airtight stopper 15 through collar 16, can prevent airtight stopper 15 transition deformation as far as, improve the stability when testing.

Examples

Referring to fig. 1 to 5, this embodiment further illustrates example 1:

the upper end of the bearing table 3 is slidably provided with an arc-shaped plate 8, and the electromagnetic valve can be fixed on the upper end surface of the bearing table 3 by sliding the arc-shaped plate 8.

The outer wall fixedly connected with guide block 14 of arc 8, the outer wall of guide block 14 is laminated with the inner wall slip of plummer 3, and the setting of guide block 14 is in order to improve the gliding stability of arc 8.

The outer wall fixedly connected with haulage rope 13 of guide block 14, the outer wall fixedly connected with of plummer 3 bears the frame 10, bears the frame 10 through fixed pulley and haulage rope 13 sliding fit, and the fixed pulley rotates the lateral wall of installing at bearing the frame 10 for change the traction direction of haulage rope 13.

The pulling guide block 14 is controlled to slide by pulling the pulling rope 13, so that the arc-shaped plate 8 is driven to fix the electromagnetic valve, the control block 11 is fixedly arranged on the inner wall of the bearing table 3, the transmission block 12 which is mutually attracted with the control block 11 is slidably arranged in the inner cavity of the bearing table 3, and the control block 11 and the transmission block 12 are two magnets which are mutually attracted.

The outer wall of the transmission block 12 is fixedly connected with one end of the traction rope 13, and the transmission block 12 is attracted through the control block 11, so that the arc-shaped plate 8 has the trend of sealing the upper end of the bearing table 3 in real time, and the stability of fixing the electromagnetic valve is improved.

The outer wall fixedly connected with of arc 8 stirs the otic placode, and the up end fixed mounting of plummer 3 has and stirs the stopper 9 of otic placode looks inter attraction, and stopper 9 attracts and stirs the otic placode, can further improve the fixed stability of solenoid valve, stirs the otic placode through setting up, can be convenient for slide regulation arc 8 to take out the solenoid valve.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process-method-article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process-method-article or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes-modifications-substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Can fix gas tightness testing arrangement of detecting piece, its characterized in that: the electromagnetic valve detection device comprises a container pool (1), a bearing table (3) for placing an electromagnetic valve, a telescopic rod (6) and a detection mechanism, wherein the telescopic rod (6) is fixedly arranged on the side wall of the container pool (1);

the detection mechanism comprises a mounting bracket (7), a connecting pipe (2) and a sealing plug (15), wherein the mounting bracket (7) is fixedly arranged at the movable end of the telescopic rod (6), the connecting pipe (2) is fixedly arranged on the outer wall of the mounting bracket (7), and the sealing plug (15) is detachably arranged at one end of the connecting pipe (2);

the sealing plug (15) is in a round table shape, and the inner cavity of the sealing plug (15) is communicated with the inner cavity of the connecting pipe (2).

2. The air tightness testing device capable of fixing a detecting member according to claim 1, wherein: the outer wall fixedly connected with collar (16) of installing support (7), the one end of collar (16) extends to airtight stopper (15) inner chamber, just the outer wall of collar (16) with airtight stopper (15) inner wall slip laminating.

3. The air tightness testing device capable of fixing a detecting member according to claim 2, wherein: the upper end slidable mounting of plummer (3) has arc (8), the outer wall fixedly connected with guide block (14) of arc (8), the outer wall of guide block (14) with the inner wall slip laminating of plummer (3).

4. A gas tightness test device for securing a test member as defined in claim 3 wherein: the outer wall fixedly connected with haulage rope (13) of guide block (14), the outer wall fixedly connected with of plummer (3) bears frame (10), bear frame (10) through fixed pulley with haulage rope (13) sliding fit.

5. The air tightness testing device capable of fixing a detecting member according to claim 4, wherein: the inner wall of plummer (3) fixed mounting has control block (11), the inner chamber slidable mounting of plummer (3) with transmission piece (12) of control block (11) looks each other, the outer wall of transmission piece (12) with one end fixed connection of haulage rope (13).

6. The air tightness testing device capable of fixing a detecting member according to claim 5, wherein: the outer wall fixedly connected with of arc (8) stirs the otic placode, the up end fixed mounting of plummer (3) with stir stopper (9) of otic placode looks interattraction.