CN223815188U - An airtightness testing fixture - Google Patents
An airtightness testing fixtureInfo
- Publication number
- CN223815188U CN223815188U CN202520298958.7U CN202520298958U CN223815188U CN 223815188 U CN223815188 U CN 223815188U CN 202520298958 U CN202520298958 U CN 202520298958U CN 223815188 U CN223815188 U CN 223815188U
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- CN
- China
- Prior art keywords
- base
- fixedly connected
- sealing
- mounting
- component
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Examining Or Testing Airtightness (AREA)
Abstract
本实用新型涉及气密性检测技术领域，具体的是一种气密性检测工装，本实用新型包括底座，所述底座上端固接有弹性安装组件，弹性安装组件上卡接安装有被测壳体，弹性安装组件顶部和侧面卡接安装有密封组件，密封组件用于使被测壳体的内部空间密封，底座内部固接有用于对被测壳体内部充气的气管组件；通过弹性安装组件顶部的密封组件对被测壳体上端挤压密封，弹性安装组件侧面的密封组件受压形变，对被测壳体下端挤压密封，当压装组件脱离被测壳体，弹性安装组件复位，侧面的密封组件不再对被测壳体挤压，本工装在对壳体气密性检测的同时，对壳体密封装夹，不影响产品装夹时间增加检测效率。
This utility model relates to the field of airtightness testing technology, specifically an airtightness testing fixture. The fixture includes a base, with an elastic mounting component fixedly connected to the upper end of the base. A housing to be tested is clamped onto the elastic mounting component. Sealing components are clamped onto the top and sides of the elastic mounting component, sealing the internal space of the housing. An air tube assembly for inflating the housing is fixedly connected inside the base. The sealing component at the top of the elastic mounting component presses and seals the upper end of the housing, while the sealing components on the sides of the elastic mounting component deform under pressure, pressing and sealing the lower end of the housing. When the pressing components detach from the housing, the elastic mounting component resets, and the side sealing components no longer press against the housing. This fixture simultaneously tests the airtightness of the housing and seals and clamps it, increasing testing efficiency without affecting product clamping time.
Description
Technical Field
The utility model relates to the field of air tightness detection, in particular to an air tightness detection tool.
Background
The air tightness detection is a common detection item, and for some shells requiring air tightness, the air tightness detection is an essential item before delivery, so that the influence of poor air tightness of the shells on use is prevented.
The utility model provides a speed reducer casing gas tightness detection device in current gas tightness detection frock such as patent application number CN202120350229.3, includes workstation, portal frame, compresses tightly structure such as cylinder, location connecting seat and locking device, and the lift cylinder is pressed on last sealed end cover through compressing tightly the piece, and location connecting seat top is provided with the lower seal end cover for shutoff speed reducer casing bottom open-ended, and locking device locks speed reducer casing and locking base.
However, the prior art has the defects that the locking device is used for locking and fixing the shell, the locking device is required to be controlled to fix the shell before the air tightness of the shell is detected, the locking device is required to be controlled to loosen the shell after the air tightness is detected, and the time required for fixing or loosening is required, so that the air tightness detection efficiency is low, and therefore, the air tightness detection tool is provided.
Disclosure of utility model
The utility model aims to provide an air tightness detection tool for solving the problems in the background art.
The aim of the utility model can be achieved by the following technical scheme:
The utility model provides a gas tightness detects frock, includes the base, base upper end fixedly connected with elastic mounting assembly, elastic mounting assembly goes up the joint and installs the casing that is surveyed, and elastic mounting assembly top and side joint are installed seal assembly, and seal assembly is used for making the inner space of surveying the casing sealed, and the inside fixedly connected of base has the trachea subassembly that is used for the inside gas-filled of surveying the casing, and base upper end fixedly connected with pressure equipment subassembly, pressure equipment subassembly are located elastic mounting assembly one side, and pressure equipment subassembly is used for being pressed down by the casing top that is surveyed.
Preferably, the elastic mounting assembly comprises a mounting seat, the mounting seat is fixedly connected to the upper end of the base, a plurality of groups of screws are connected to the upper end of the mounting seat in a threaded mode, a movable plate is connected to the plurality of groups of screws in a sliding mode, and a column body is fixedly connected to the upper end of the movable plate.
Preferably, the sealing assembly comprises a sealing ring and a sealing gasket, the sealing ring is sleeved between the movable plate and the mounting seat, the outer side wall of the sealing ring is in extrusion fit with the inner side wall of the bottom of the shell to be tested, the sealing gasket is sleeved on the side wall of the top of the column, and the sealing gasket is in extrusion fit with the inner side wall of the top of the shell to be tested.
Preferably, a plurality of groups of grooves are formed between the mounting seat and the movable plate, springs are fixedly connected in the grooves, two ends of each spring are fixedly connected with the mounting seat and the movable plate respectively, the screws penetrate through the middle of each spring, and the springs are in a compressed state.
Preferably, the air pipe assembly comprises an air inlet pipe, wherein the air inlet pipe is fixedly connected in the base, one end of the air inlet pipe penetrates through the side surface of the base, and the other end of the air inlet pipe penetrates through the mounting seat and the movable plate.
Preferably, the press-fit assembly comprises a mounting plate, the shape of the mounting plate is L-shaped, the mounting plate is fixedly connected to the upper end of the base, an air cylinder is fixedly connected to the upper end of the mounting plate, a pressure head is fixedly connected to the output end of the air cylinder, and the pressure head is used for pressing down the top of the tested shell.
The utility model has the beneficial effects that:
According to the utility model, the lower end of the tested shell is aligned with the mounting component for insertion, the press-mounting component presses the upper end of the tested shell, the elastic mounting component is pressed, the sealing component at the top of the elastic mounting component presses the upper end of the tested shell for extrusion sealing, the sealing component at the side surface of the elastic mounting component presses the lower end of the tested shell for extrusion sealing, so that the inner space of the tested shell is sealed, the air tightness detection is carried out by pressing the interior of the tested shell through the air pipe component, when the press-mounting component is separated from the tested shell, the elastic mounting component resets, the sealing component at the side surface does not press the tested shell any more, and the air tightness detection is carried out on the shell by the tool, and meanwhile, the sealing clamping is carried out on the shell, so that the product clamping time is not influenced, and the detection efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the tracheal assembly of the present utility model;
FIG. 3 is a schematic cross-sectional view of a groove of the present utility model;
FIG. 4 is a schematic view of the spring mounting assembly of the present utility model;
reference numerals in the drawings are as follows:
1. A base; 2, a mounting plate, 3, an air cylinder, 4, a pressure head, 5, a mounting seat, 6, an air inlet pipe, 7, a movable plate, 8, a screw, 9, a groove, 10, a spring, 11, a sealing ring, 12, a column, 13, a sealing gasket, 14 and a measured shell.
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.
1-4, Including base 1, base 1 upper end fixedly connected with elastic mounting assembly, elastic mounting assembly goes up the joint and installs by survey casing 14, and elastic mounting assembly top and side joint install seal assembly, and seal assembly is used for making the inner space of surveying casing 14 sealed, and base 1 inside fixedly connected with is used for being surveyed the inside gas tube subassembly of aerifing of casing 14, and base 1 upper end fixedly connected with pressure equipment subassembly, pressure equipment subassembly is located elastic mounting assembly one side, and pressure equipment subassembly is used for being surveyed casing 14 top push down.
Through aiming at the installation component with the casing 14 lower extreme that is surveyed and pegging graft, the pressure equipment subassembly pushes down to the casing 14 upper end that is surveyed, the elastic mounting subassembly is pressed, the sealing component at elastic mounting subassembly top is sealed to the casing 14 upper end extrusion that is surveyed, the sealing component of elastic mounting subassembly side is pressed and is sealed to the casing 14 lower extreme extrusion that is surveyed, make the inside space of casing 14 that is surveyed seal, through the trachea subassembly to the inside airtight detection that pressurizes of casing 14 that is surveyed, break away from casing 14 when the pressure equipment subassembly, the elastic mounting subassembly resets, the sealing component of side no longer extrudees the casing 14 that is surveyed, this frock is when detecting casing airtight, seal clamping to the casing, do not influence the product clamping time and increase detection efficiency.
As shown in fig. 1-4, the elastic mounting assembly comprises a mounting seat 5, the mounting seat 5 is fixedly connected to the upper end of the base 1, a plurality of groups of screws 8 are connected to the upper end of the mounting seat 5 in a threaded manner, a movable plate 7 is connected to the plurality of groups of screws 8 in a sliding manner, and a column 12 is fixedly connected to the upper end of the movable plate 7.
The side wall at the bottom of the screw 8 is provided with threads, the threaded area at the bottom is in threaded connection with the mounting seat 5, the side wall without threads is in sliding connection with the movable plate 7, the cylinder 12 is used for centering the tested shell 14, and the tested shell 14 is convenient to align.
As shown in fig. 2-4, the sealing assembly comprises a sealing ring 11 and a sealing gasket 13, the sealing ring 11 is sleeved between the movable plate 7 and the mounting seat 5, the outer side wall of the sealing ring 11 is in extrusion fit with the bottom inner side wall of the detected shell 14, the sealing gasket 13 is sleeved on the top side wall of the column 12, and the sealing gasket 13 is in extrusion fit with the top inner wall of the detected shell 14.
When the press-fitting assembly does not press the measured shell 14, the sealing ring 11 does not overflow the side wall of the elastic installation assembly, the measured shell 14 is convenient to install, when the press-fitting assembly presses the measured shell 14, the top side wall of the measured shell 14 is sealed with the sealing gasket 13 in an extrusion mode, the movable plate 7 is pressed down, the movable plate 7 presses the sealing ring 11, the sealing ring 11 deforms, the circumference of the outer ring of the sealing ring 11 becomes long, and overflows the side wall of the elastic installation assembly, the inner side wall of the lower end of the measured shell 14 is sealed in an extrusion mode, and the inner space of the measured shell 14 is sealed.
As shown in fig. 2-4, a plurality of groups of grooves 9 are formed between the mounting seat 5 and the movable plate 7, springs 10 are fixedly connected inside the plurality of groups of grooves 9, two ends of each spring 10 are fixedly connected with the mounting seat 5 and the movable plate 7 respectively, the screws 8 penetrate through the middle of each spring 10, and the springs 10 are in a compressed state.
When the press-fitting assembly presses down the measured shell 14, the movable plate 7 presses down, the compression state of the spring 10 is more and more serious, when the press-fitting assembly is separated from the measured shell 14, the spring 10 is restored to the initial compression state, the sealing ring 11 is restored to the state, the side wall at the lower end of the shell is separated from extrusion, the measured shell 14 can be directly taken down, and the spring 10 is convenient for clamping the measured shell 14.
As shown in fig. 1-4, the air pipe assembly comprises an air inlet pipe 6, wherein the air inlet pipe 6 is fixedly connected in the base 1, one end of the air inlet pipe 6 penetrates through the side surface of the base 1, and the other end penetrates through the mounting seat 5 and the movable plate 7.
The air inlet pipe 6 is fixedly connected with the base 1 and is in sliding connection with the movable plate 7, one end of the air inlet pipe 6 enters air with the pressure of 0.2MPa, and the air enters the shell, so that the tightness of the shell is detected.
As shown in fig. 1, the press-fit assembly comprises a mounting plate 2, the mounting plate 2 is shaped like an L, the mounting plate 2 is fixedly connected to the upper end of the base 1, an air cylinder 3 is fixedly connected to the upper end of the mounting plate 2, a pressure head 4 is fixedly connected to the output end of the air cylinder 3, and the pressure head 4 is used for pressing down the top of the tested shell 14.
The cylinder 3 (the model is AT 91-100-2223) drives the pressure head 4 to lift, the pressure head 4 presses the tested shell 14, the tested shell 14 presses the sealing gasket 13 to achieve plane sealing, the tested shell 14 and the movable plate 7 simultaneously move downwards under the pressure of the cylinder 3, and the sealing ring 11 is pressed to achieve radial sealing.
The working principle of the air tightness detection tool provided by the utility model is as follows:
Through aiming at the installation component with the casing 14 lower extreme that is surveyed and pegging graft, the pressure equipment subassembly pushes down to the casing 14 upper end that is surveyed, the elastic mounting subassembly is pressed, the sealing component at elastic mounting subassembly top is sealed to the casing 14 upper end extrusion that is surveyed, the sealing component of elastic mounting subassembly side is pressed and is sealed to the casing 14 lower extreme extrusion that is surveyed, make the inside space of casing 14 that is surveyed seal, through the trachea subassembly to the inside airtight detection that pressurizes of casing 14 that is surveyed, break away from casing 14 when the pressure equipment subassembly, the elastic mounting subassembly resets, the sealing component of side no longer extrudees the casing 14 that is surveyed, this frock is when detecting casing airtight, seal clamping to the casing, do not influence the product clamping time and increase detection efficiency.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520298958.7U CN223815188U (en) | 2025-02-24 | 2025-02-24 | An airtightness testing fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520298958.7U CN223815188U (en) | 2025-02-24 | 2025-02-24 | An airtightness testing fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223815188U true CN223815188U (en) | 2026-01-20 |
Family
ID=98426919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520298958.7U Active CN223815188U (en) | 2025-02-24 | 2025-02-24 | An airtightness testing fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223815188U (en) |
-
2025
- 2025-02-24 CN CN202520298958.7U patent/CN223815188U/en active Active
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