CN211147972U - Airtightness detection equipment for automobile shock absorber sleeve - Google Patents
Airtightness detection equipment for automobile shock absorber sleeve Download PDFInfo
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- CN211147972U CN211147972U CN201922339648.2U CN201922339648U CN211147972U CN 211147972 U CN211147972 U CN 211147972U CN 201922339648 U CN201922339648 U CN 201922339648U CN 211147972 U CN211147972 U CN 211147972U
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- air pump
- roof beam
- shock absorber
- installation roof
- differential pressure
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Abstract
The utility model provides an airtight check out test set of automobile shock absorber ware sleeve, includes casing, flexible arm, control panel, mount pad and installation roof beam, the vertical middle part of connecting in the installation roof beam of one end of flexible arm, the bottom both ends symmetry of installation roof beam is equipped with the gas injection mouth, the gas injection mouth sets up with the mount pad cooperation, the one end of installation roof beam is equipped with the air pump, the inside cavity that is equipped with of installation roof beam for hold pressure manifold and control mechanism, the inflation inlet of air pump communicates in the cavity, flexible arm, air pump and control mechanism all connect in control panel through the wire. The differential pressure value between the standard part and the tested part is measured within a specified time through the precise micro differential pressure sensor connected with the tested part and the standard part in the same gas path, so that the influence of the sealing leakage of the gas filling gas path or the gas filling sealing opening is eliminated, and the accuracy of the test result is ensured.
Description
Technical Field
The utility model relates to an airtight check out test set technical field, concretely relates to airtight check out test set of automobile shock absorber ware sleeve.
Background
The automobile shock absorber sleeve is used as a part of a shock absorber body for storing oil or gas, so that it is necessary to perform airtightness detection during the production of the automobile shock absorber sleeve to ensure the quality of a finished product. Common air tightness detection equipment in the market is mainly used for precision devices such as valve pipelines, high-pressure containers, connecting pieces and the like.
The existing air tightness detection still mostly adopts manual detection, such as a ventilation water testing method, and the detection method wastes time and labor and has low detection efficiency when the phenomenon of water bubbling is detected; the air tightness detection device for the automobile shock absorber sleeve generally adopts a method of directly injecting air into a detected cavity of a workpiece for pressure preservation for a period of time and observing a pressure change value, the difference value reflects the leakage state of the workpiece in a detection time period, however, when an air inflation gas circuit or an air injection sealing port is used for a long time, a certain sealing leakage problem often exists, and the pressure value change can be calculated by mistake, so that the accuracy of a test result is influenced immediately.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide an airtight check out test set of automobile shock absorber ware sleeve can solve the problem of the sealed leak hunting influence test result's of avoiding aerifing gas circuit or gas injection seal mouth self accuracy nature.
The utility model discloses a realize through following technical scheme:
the utility model provides an airtight check out test set of automobile shock absorber ware sleeve, includes casing, flexible arm, control panel, mount pad and installation roof beam, the vertical middle part of connecting in the installation roof beam of one end of flexible arm, the bottom both ends symmetry of installation roof beam is equipped with the gas injection mouth, the gas injection mouth sets up with the mount pad cooperation, the one end of installation roof beam is equipped with the air pump, the inside cavity that is equipped with of installation roof beam for hold pressure manifold and control mechanism, the inflation inlet of air pump communicates in the cavity, flexible arm, air pump and control mechanism all connect in control panel through the wire.
Preferably, the control mechanism comprises an electromagnetic valve and a micro differential pressure sensor, the electromagnetic valve is arranged on the collecting pipe and is located at an inflation opening of the air pump, and the micro differential pressure sensor is arranged in the middle of the collecting pipe.
Preferably, the shell is provided with a guide rod, two ends of the mounting beam are provided with sliding sleeves, and the sliding sleeves slide on the guide rod.
Preferably, the telescopic arm and the mounting seat are arranged on the shell through limiting blocks.
Preferably, the telescopic arm is a servo electric cylinder.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in, through the accurate little differential pressure sensor who is connected with the same gas circuit of standard part by the test piece, measure the standard part in the stipulated time and by the differential pressure value of test piece, eliminated and aerifyd the influence of gas circuit or the sealed leakage of gas injection seal (ing) mouth itself, guaranteed the accuracy nature of test result.
Set up the slip cap through the both ends at the installation roof beam to the cooperation slides on the guide arm, will stretch out and draw back arm and mount pad and all locate the casing through the stopper on, guaranteed system architecture's stability, do benefit to the cooperation of gas injection mouth and mount pad, prevent to have the displacement deviation between gas injection mouth and the mount pad after repetitious usage this equipment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the air tightness detecting device for the shock absorber sleeve of the present invention;
fig. 2 is an internal cross-sectional view of the installation beam of the present invention.
The device comprises a shell, a telescopic arm, a control panel, a sliding sleeve, a guide rod, a limiting block, a mounting seat, an air injection port, an air pump, a mounting beam, an electromagnetic valve, a micro differential pressure sensor and a collecting pipe, wherein the shell is 1, the telescopic arm is 2, the control panel is 3, the sliding sleeve is 4, the guide rod is 5, the limiting block is 6, the mounting seat is 7, the air injection port is 8, the air pump is 9, the.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
The first embodiment is as follows:
referring to the attached drawings 1-2, an automobile shock absorber sleeve airtightness detection device comprises a shell 1, a telescopic arm 2, a control panel 3, a mounting seat 7 and a mounting beam 10, wherein one end of the telescopic arm 2 is vertically connected to the middle of the mounting beam 10, gas injection ports 8 are symmetrically arranged at two ends of the bottom of the mounting beam 10, the gas injection ports 8 are matched with the mounting seat 7, an air pump 9 is arranged at one end of the mounting beam 10, a cavity is formed in the mounting beam 10 and used for accommodating a collecting pipe 13 and a control mechanism, a gas injection port of the air pump 9 is communicated with the cavity, and the telescopic arm 2, the air pump 9 and the control mechanism are all connected to the control panel 3 through wires. The control mechanism comprises an electromagnetic valve 11 and a micro differential pressure sensor 12, the electromagnetic valve 11 is arranged on the collecting pipe 13 and is positioned at an inflation opening of the air pump 9, and the micro differential pressure sensor 12 is arranged in the middle of the collecting pipe 13. The tested piece and the standard piece are respectively arranged on the mounting base 7, when the telescopic arm 2 drives the mounting beam 10 to vertically extend downwards, the gas injection port 8 covers the testing end of the tested piece and the standard piece, so that the tested piece and the standard piece can measure the differential pressure value between the standard piece and the tested piece in a specified time through the precise micro differential pressure sensor 12 connected with the same gas circuit, the influence of the sealing leakage of the gas-filled gas circuit or the gas-filled sealing port is eliminated, and the accuracy of the testing result is ensured.
It should be noted that the micro differential pressure sensor 12 mentioned above may be a micro pressure sensor of the model SUAY 40.
Example two:
the utility model provides an airtight check out test set of automobile shock absorber ware sleeve, includes casing 1, flexible arm 2, control panel 3, mount pad 7 and installation roof beam 10, and the vertical connection in the middle part of installation roof beam 10 of one end of flexible arm 2, the bottom both ends symmetry of installation roof beam 10 is equipped with gas injection mouth 8, and gas injection mouth 8 sets up with the cooperation of mount pad 7, installs guide arm 5 on the casing 1, and the both ends of installation roof beam 10 are equipped with sliding sleeve 4, and sliding sleeve 4 slides on guide arm 5. The telescopic arm 2 and the mounting seat 7 are arranged on the shell 1 through the limiting block 6. Set up the slip cap through the both ends at the installation roof beam to the cooperation slides on the guide arm, will stretch out and draw back arm and mount pad and all locate the casing through the stopper on, guaranteed system architecture's stability, do benefit to the cooperation of gas injection mouth and mount pad, prevent to have the displacement deviation between gas injection mouth and the mount pad after repetitious usage this equipment.
It should be noted that the telescopic arm 2 in the two embodiments may be a servo electric cylinder, an electric push rod, an electro-hydraulic push rod, an oil cylinder or an air cylinder, as long as the telescopic function can be achieved, and the telescopic arm is not limited thereto. Preferably, the telescopic arm 2 is a servo electric cylinder. The servo electric cylinder is more convenient to mount at the top of the shell, and the servo electric cylinder is connected with the mounting beam and has better bearing performance.
The utility model discloses a theory of operation does:
respectively placing the tested piece and the standard piece on the mounting seat, turning on an external power supply, and pressing a control button of a control panel to extend one end of the servo electric cylinder to drive the mounting beam to vertically move downwards, wherein the gas injection port covers the testing ends of the tested piece and the standard piece, and the tested piece, the standard piece and the collecting pipes in the mounting beam form the same gas path; at the moment, the electromagnetic valve and the air pump are opened in sequence, the air pump is accurately controlled by the control panel to input compressed air into the test piece, the electromagnetic valve accurately controls the air flow balance within a set time, then the air pump and the electromagnetic valve playing a balance role are turned off, the air tightness detection is carried out through a precise micro differential pressure sensor connected with the same air path of the tested piece and the standard piece, the differential pressure value between the standard piece and the tested piece is measured within the set time, because the pressure of the standard piece is normal, if the air tightness of the tested piece is not good, the micro differential pressure sensor can display the differential pressure value, when the differential pressure value reaches a preset parameter standard, the air tightness of the tested piece can be determined to be not.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides an airtight check out test set of automobile shock absorber ware sleeve, includes casing (1), flexible arm (2), control panel (3), mount pad (7) and installation roof beam (10), the vertical middle part of connecting in installation roof beam (10) of one end of flexible arm (2), the bottom both ends symmetry of installation roof beam (10) is equipped with gas injection mouth (8), gas injection mouth (8) set up its characterized in that with mount pad (7) cooperation: the air pump is characterized in that an air pump (9) is arranged at one end of the mounting beam (10), a cavity is formed in the mounting beam (10) and used for accommodating the collecting pipe (13) and the control mechanism, an air inflation inlet of the air pump (9) is communicated with the cavity, and the telescopic arm (2), the air pump (9) and the control mechanism are all connected to the control panel (3) through wires.
2. The airtightness detection apparatus for a shock absorber sleeve of an automobile according to claim 1, wherein: the control mechanism comprises an electromagnetic valve (11) and a micro differential pressure sensor (12), the electromagnetic valve (11) is arranged on the collecting pipe (13) and is located at an air inflation opening of the air pump (9), and the micro differential pressure sensor (12) is installed in the middle of the collecting pipe (13).
3. The airtightness detection apparatus for a shock absorber sleeve of an automobile according to claim 1, wherein: the guide rod (5) is installed on the shell (1), sliding sleeves (4) are arranged at two ends of the installation beam (10), and the sliding sleeves (4) slide on the guide rod (5).
4. The airtightness detection apparatus for a shock absorber sleeve of an automobile according to claim 1, wherein: the telescopic arm (2) and the mounting seat (7) are arranged on the shell (1) through the limiting block (6).
5. The airtightness detection apparatus for a shock absorber sleeve of an automobile according to claim 1, wherein: the telescopic arm (2) is a servo electric cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922339648.2U CN211147972U (en) | 2019-12-24 | 2019-12-24 | Airtightness detection equipment for automobile shock absorber sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922339648.2U CN211147972U (en) | 2019-12-24 | 2019-12-24 | Airtightness detection equipment for automobile shock absorber sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211147972U true CN211147972U (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922339648.2U Active CN211147972U (en) | 2019-12-24 | 2019-12-24 | Airtightness detection equipment for automobile shock absorber sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211147972U (en) |
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2019
- 2019-12-24 CN CN201922339648.2U patent/CN211147972U/en active Active
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