CN220542366U - Seal detection device for air tightness detection equipment - Google Patents
Seal detection device for air tightness detection equipment Download PDFInfo
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- CN220542366U CN220542366U CN202322215240.0U CN202322215240U CN220542366U CN 220542366 U CN220542366 U CN 220542366U CN 202322215240 U CN202322215240 U CN 202322215240U CN 220542366 U CN220542366 U CN 220542366U
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- 238000001514 detection method Methods 0.000 title claims abstract description 40
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 206010023230 Joint stiffness Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a sealing detection device for air tightness detection equipment, which comprises a sleeve, wherein an air cylinder is fixedly arranged on the sleeve, a piston is slidably arranged on the air cylinder, a sliding rod is fixedly arranged on the piston, a comparison ball is fixedly arranged on the sliding rod, a comparison ruler matched with the comparison ball is fixedly arranged on the air cylinder, a plug post and a baffle are fixedly arranged on the sleeve, and a plurality of air inlets are formed in the sleeve. The advantages are that: through setting up and comparing chi, comparing ball, cylinder and piston, can judge the seal according to the pressure difference in the cylinder in the unit time, the judgement of pressure difference is through comparing the ball and comparing numerical value between the chi and judging, and it is then the best to compare ball position inconvenient, need not to use the manometer to assist, and the practicality is higher, uses more convenient, still can compare according to the size of different pressures simultaneously, and application range is wider.
Description
Technical Field
The utility model relates to the technical field of air tightness detection equipment, in particular to a sealing detection device for air tightness detection equipment.
Background
The air tightness detection equipment is specially applied to a device for detecting the tightness of a cavity mechanical product, is mainly used in the production of an automobile engine, a gearbox, a water tank and the like which have sealing requirements on a containing cavity, and a sealing head in the air tightness detection equipment is used for butt joint of the automobile engine, the gearbox and the water tank and plays a role in sealing detection in the detection process.
The existing sealing head needs to be matched with the butt joint for use, the butt joint is communicated with an automobile engine, a gearbox and a water tank through threaded connection, and the following defects exist in the specific use process: 1. the tightness of the sealing head is judged in an auxiliary way through an external pressure gauge, and external pressure gauge equipment is required to be connected, so that the sealing head is inconvenient to use; 2. the simple pressure gauge cannot directly detect the tightness, and has certain limitation in use.
Therefore, the novel sealing detection device for the air tightness detection equipment can be adopted to solve the defects in the prior art.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides a sealing detection device for air tightness detection equipment.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a seal detection device for gas tightness check out test set, includes the sleeve, fixed mounting has the cylinder on the sleeve, slidable mounting has the piston on the cylinder, fixed mounting has the slide bar on the piston, fixed mounting has the ball of comparing on the slide bar, fixed mounting has the rule of comparing with the ball matched with on the cylinder, fixed mounting has inserted post and baffle on the sleeve, a plurality of inlet ports have been seted up on the sleeve, a plurality of screw grooves have been seted up on the inserted post, just two annular have been seted up on the inserted post, every equal fixed mounting has a sealing washer on the annular, fixed mounting has the intake pipe on the cylinder.
In the sealing detection device for the air tightness detection device, the height of the baffle is more than three centimeters, and the baffle is made of rubber materials.
In the sealing detection device for the air tightness detection device, the air cylinder is fixedly provided with the sliding sleeve, and the sliding sleeve is in sliding connection with the sliding rod.
In the above-mentioned sealing detection device for gas tightness check out test set, fixed mounting has a plurality of screws on the comparison ball, every equal screw thread rotates on the screw rod and installs a nut, every equal rotation on the nut is installed a ring, every equal fixed mounting has a plurality of spring levers on the ring, fixed mounting has a plurality of pillars on the cylinder, every equal fixed mounting has a fixed disk on the pillar, every be fixed connection between spring lever and the fixed disk that corresponds.
In the sealing detection device for the air tightness detection device, a plurality of sliding columns are fixedly installed on each circular ring, and annular grooves matched with the corresponding sliding columns are formed in each nut.
In the sealing detection device for the air tightness detection device, the air inlet hole is positioned between the baffle and the plug, and the distance between the air inlet hole and the plug is far smaller than the distance between the air inlet hole and the baffle.
Compared with the prior art, the utility model has the advantages that:
1: through setting up and comparing chi, comparing ball, cylinder and piston, can judge the seal according to the pressure difference in the unit time in the cylinder, the judgement of pressure difference is through comparing the ball and comparing numerical value between the chi and judging, compares the ball position inconvenient then the leakproofness is best, need not to use the manometer to assist, and the practicality is higher, and it is more convenient to use.
2: through setting up nut and screw rod, the volume of shortening of steerable spring rod to this elasticity that changes the spring rod, can compare according to the size of different pressures like this, application range is wider.
In summary, the tightness can be judged according to the pressure difference in the cylinder in unit time by arranging the comparison ruler, the comparison ball, the cylinder and the piston, the judging of the pressure difference is realized by comparing the numerical values between the ball and the comparison ruler, the tightness is optimal when the ball is inconvenient to compare, the assistance of the pressure gauge is not needed, the practicability is higher, the use is more convenient, the comparison can be carried out according to the sizes of different pressures, and the application range is wider.
Drawings
The utility model is described in further detail below with reference to the attached drawing figures, wherein:
fig. 1 is a schematic structural diagram of a seal detection device for an air tightness detection device according to the present utility model;
FIG. 2 is a schematic detail of the cross-sectional structure of FIG. 1;
FIG. 3 is a schematic detailed view of a portion of the structure of FIG. 2;
fig. 4 is an enlarged schematic detail view of the alignment ball portion of fig. 3.
In the figure: 1 sleeve, 2 cylinder, 3 slide bar, 4 comparison ball, 5 inserted column, 6 screw thread groove, 7 baffle, 8 sealing washer, 9 piston, 10 intake pipe, 11 comparison rule, 12 intake port, 13 pillar, 14 fixed disk, 15 screw rod, 16 nut, 17 ring, 18 spring rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Referring to fig. 1 to 4, a seal detection device for air tightness detection equipment comprises a sleeve 1, wherein an air cylinder 2 is fixedly arranged on the sleeve 1, a piston 9 is slidably arranged on the air cylinder 2, a sliding rod 3 is fixedly arranged on the piston 9, a comparison ball 4 is fixedly arranged on the sliding rod 3, a comparison ruler 11 matched with the comparison ball 4 is fixedly arranged on the air cylinder 2, a plunger 5 and a baffle 7 are fixedly arranged on the sleeve 1, a plurality of air inlets 12 are formed in the sleeve 1, a plurality of thread grooves 6 are formed in the plunger 5, two annular grooves are formed in the plunger 5, a sealing ring 8 is fixedly arranged on each annular groove, and an air inlet pipe 10 is fixedly arranged on the air cylinder 2;
the following points are notable:
1. the baffle 7 is higher than three cm, and the baffle 7 is made of rubber material, so that the effect of the arrangement is to improve the tightness between the baffle 7 and the butt joint.
2. The cylinder 2 is fixedly provided with the sliding sleeve, the sliding sleeve is in sliding connection with the sliding rod 3, the sliding sleeve is arranged for supporting the sliding rod 3, the torque between the piston 9 and the cylinder 2 is reduced, and the service life of the piston 9 is effectively prolonged.
3. The comparison ball 4 is fixedly provided with a plurality of screws 15, each screw 15 is provided with a nut 16 in a threaded rotation mode, each nut 16 is provided with a circular ring 17 in a rotary mode, each circular ring 17 is provided with a plurality of spring rods 18 in a fixed mode, the cylinder 2 is provided with a plurality of support posts 13 in a fixed mode, each support post 13 is provided with a fixed disc 14 in a fixed mode, each spring rod 18 is fixedly connected with the corresponding fixed disc 14, and the function of the device is to adjust the pressure required by pushing the piston 9 so as to detect sealing objects with different pressure intensity.
4. Each ring 17 is fixedly provided with a plurality of sliding columns, each nut 16 is provided with a ring groove matched with the corresponding sliding column, and the function of the arrangement is to prevent direct contact between the rings 17 and the nuts 16, so that the service life of the rings 17 is effectively prolonged.
5. The air inlet hole 12 is positioned between the baffle 7 and the plug 5, and the distance between the air inlet hole 12 and the plug 5 is far smaller than the distance between the air inlet hole 12 and the baffle 7, so that the air inlet hole 12 is prevented from being blocked by the butt joint, and the smoothness of the air inlet hole 12 is ensured.
Firstly, the inserted column 5 is fixedly connected with the inserted column 5 through the thread groove 6, the inserted column is inserted between the baffle 7 and the inserted column 5, under the action of the baffle 7 and the sealing ring 8, the butt joint tightness of the inserted column and the sleeve 1 is improved, after the butt joint is finished, the air in the air cylinder 2 is ventilated through the air inlet pipe 10 and the air cylinder 2, the air in the air cylinder 2 is simultaneously ventilated into a detected object through the air inlet hole 12 and the butt joint, along with the increase of the pressure in the air cylinder 2, the piston 9 moves in the air cylinder 2, so as to drive the slide rod 3 and the comparison ball 4 to move, the air is always ventilated until the comparison ball 4 does not move any more, then the nut 16 is rotated, the spring rod 18 is compressed under the action of the screw rod 15, the piston 9 is driven to move until the position of the comparison ball 4, at the moment, the elastic force of the spring rod 18 is equal to the pressure intensity of the air pressure, if the detected object has poor tightness, the air in the air cylinder 2 is reduced, the comparison ball 4 is moved, after a period of time, if the pressure difference is required, the value corresponding to the comparison ball 4 is observed, or not, the value difference is good.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a seal detection device for gas tightness check out test set, includes sleeve (1), its characterized in that, fixed mounting has cylinder (2) on sleeve (1), slidable mounting has piston (9) on cylinder (2), fixed mounting has slide bar (3) on piston (9), fixed mounting has on slide bar (3) to compare ball (4), fixed mounting has on cylinder (2) to compare ball (4) matched with and compare chi (11), fixed mounting has inserted post (5) and baffle (7) on sleeve (1), a plurality of inlet port (12) have been seted up on sleeve (1), a plurality of screw grooves (6) have been seted up on inserted post (5), just two annular have been seted up on inserted post (5), every equal fixed mounting has a sealing washer (8) on the annular, fixed mounting has intake pipe (10) on cylinder (2).
2. The seal detection device for an air tightness detection apparatus according to claim 1, wherein the height of the baffle plate (7) is more than three cm, and the baffle plate (7) is made of rubber material.
3. The sealing detection device for the air tightness detection equipment according to claim 1, wherein a sliding sleeve is fixedly arranged on the air cylinder (2), and the sliding sleeve is in sliding connection with the sliding rod (3).
4. The sealing detection device for the air tightness detection equipment according to claim 1, wherein a plurality of screws (15) are fixedly installed on the comparison ball (4), a nut (16) is installed on each screw (15) in a threaded rotation mode, a circular ring (17) is installed on each nut (16) in a rotation mode, a plurality of spring rods (18) are fixedly installed on each circular ring (17), a plurality of support posts (13) are fixedly installed on the air cylinder (2), a fixed disc (14) is fixedly installed on each support post (13), and each spring rod (18) is fixedly connected with the corresponding fixed disc (14).
5. The sealing detection device for the air tightness detection equipment according to claim 4, wherein a plurality of sliding columns are fixedly arranged on each circular ring (17), and annular grooves matched with the corresponding sliding columns are formed in each nut (16).
6. A seal detecting device for an air tightness detecting apparatus according to claim 1, wherein said air intake hole (12) is located between the baffle plate (7) and the plug post (5), and the distance between the air intake hole (12) and the plug post (5) is much smaller than the distance between the air intake hole and the baffle plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322215240.0U CN220542366U (en) | 2023-08-17 | 2023-08-17 | Seal detection device for air tightness detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322215240.0U CN220542366U (en) | 2023-08-17 | 2023-08-17 | Seal detection device for air tightness detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220542366U true CN220542366U (en) | 2024-02-27 |
Family
ID=89968304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322215240.0U Active CN220542366U (en) | 2023-08-17 | 2023-08-17 | Seal detection device for air tightness detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220542366U (en) |
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2023
- 2023-08-17 CN CN202322215240.0U patent/CN220542366U/en active Active
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