CN205981556U - Air tightness testing device - Google Patents
Air tightness testing device Download PDFInfo
- Publication number
- CN205981556U CN205981556U CN201620730131.XU CN201620730131U CN205981556U CN 205981556 U CN205981556 U CN 205981556U CN 201620730131 U CN201620730131 U CN 201620730131U CN 205981556 U CN205981556 U CN 205981556U
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- pressure head
- air inlet
- test
- air tightness
- gas
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Abstract
The utility model discloses an air tightness testing device: it includes intake pipe, frame, workstation and airtight tester, and airtight tester setting is on the workstation, and intake pipe and airtight tester intercommunication, is equipped with the aerostatic press on the workstation, and the aerostatic press includes the supporting seat be connected with the workstation, drives actuating cylinder and control valve, and the lower extreme that drives the actuating cylinder piston rod is connected with hollow pressure head, and the lower extreme of pressure head is equipped with the air inlet, airtight tester pass through the air inlet intercommunication of trachea and pressure head, being equipped with on the supporting seat bottom of pressure head below and loading the test fixture who remains test, and test fixture's the top inlet channel that the test piece is linked together that is equipped with and awaits measuring, the piston rod that drives actuating cylinder is in when pushing down the state, and the air inlet of pressure head lower extreme is linked together with test fixture's inlet channel upper end. The leakproofness that this air tightness testing device is fit for each part of anti -lock braking system detects.
Description
Technical field
This utility model is related to air-tightness testing device technical field, specifically be a kind of to be used for automotive anti-lock braking
The test device for air tightness of each part in system.
Background technology
Anti-blocking brake system (ABS) is the core of automobile brake technology, and its effect is exactly in automobile brake, automatically controls
The size of brake braking force processed, makes wheel not by locking, is in the sliding state of side rolling, to ensure the attachment of wheel and ground
Power is in maximum；It typically has four braking procedures, respectively conventional brake process, booster brake process, pressurize braking procedure
With pressure m process, the sealing of each part of anti-blocking brake system is the basic of this Four processes, if braking anti-lock
The sealing of various parts does not reach requirement, then four above-mentioned braking procedures then just cannot be realized, therefore ABS
The sealing propertytest of dead various parts is to ensure that the basis of ABS normal work.
Utility model content
The technical problems to be solved in the utility model is to overcome the defect of above prior art, provides a kind of suitable braking
The test device for air tightness of the sealing propertytest of each part of anti-lock braking system.
Technical solution of the present utility model is to provide a kind of test device for air tightness with following structure：It wraps
Include air inlet pipe, frame, workbench and gas-tight tester, described gas-tight tester is arranged on the table, and air inlet pipe and gas
Density test instrument connects, and described workbench is provided with aerostatic press, and described aerostatic press includes support base, the drive being connected with workbench
Take offence cylinder and control valve, described driving cylinder is fixedly connected on the top of support base, and the lower end of driving cylinder piston rod is even
It is connected to the pressure head of hollow, the lower end of described pressure head is provided with air inlet, and described gas-tight tester passes through the air inlet of trachea and pressure head
Mouth connection；Support base bottom below described pressure head is provided with the test fixture being mounted with test specimen to be measured, and the top of test fixture
Portion is provided with the inlet channel being connected with test specimen to be measured, when the piston rod of driving cylinder is in depressed state, the entering of pressure head lower end
QI KOU is connected with the inlet channel upper end of test fixture.
After above structure, this utility model test device for air tightness compared with prior art, has advantages below：Should
Test specimen to be measured, when testing the sealing property of each part of anti-blocking brake system, is first arranged on test work by test device for air tightness
In dress, the test fixture that will be equipped with test specimen to be measured is fixedly connected on the support base bottom of aerostatic press, and then air inlet pipe connection is external
Source of the gas, opens gas-tight tester, opens control valve, and pressure head compresses test fixture downwards under the piston rod effect of driving cylinder,
The air inlet of pressure head lower end is made to be connected with the inlet channel upper end of test fixture, gas-tight tester runs the Automatic Program setting
Complete to detect and judge test result, after detection terminates, manual-lock control valve, pressure head is under the piston rod of driving cylinder acts on
Unclamp test fixture upwards, take out the test block that detection finishes, the air-tightness carrying out next test specimen to be measured by that analogy again is surveyed
Examination.This test device for air tightness is suitable for the sealing propertytest of each part of anti-blocking brake system, thus ensureing the braking after assembling
Anti-lock braking system normal work, this test device for air tightness can test the air-tightness of different shape product, only need to change adaptation not
Test fixture with product.
Improve as a kind of, described frame is connected with pressure regulator valve, described air inlet pipe is connected with pressure regulator valve, described
Pressure regulator valve is connected by trachea with gas-tight tester.The pressure of described pressure regulator valve scalable air inlet, makes the air inlet of external gas source
Stress control is in suitable scope.
As improvement, the piston-rod lower end of described driving cylinder connects a supporting plate, the upper end of described pressure head and supporting plate
It is fixedly connected, described support base is connected with the guide rail being vertically arranged, described supporting plate is slidably fitted on guide rail.Driving
When cylinder drive ram of taking offence compresses test fixture downwards, because supporting plate is slidably fitted on guide rail, so that pressure head is downward
The direction of motion is more accurately, steadily.
Preferably, the slide block that is slidably matched on described guide rail, the lateral wall of described slide block is provided with a draw-in groove, described
Supporting plate be connected in draw-in groove.
Preferably, described test fixture includes frock body, the bottom of described frock body is provided with and support base bottom
The base that portion connects, the top of described frock body is provided with the groove for the insertion of pressure head lower end, and described inlet channel setting
In the bottom of groove, described frock is originally provided with the cavity of accommodating test specimen to be measured in vivo, and the lower end of described inlet channel is with cavity even
Logical.This groove is used for the pressure head insertion for aerostatic press, is easy to make the air inlet of pressure head that inlet channel is supplied.
As improvement, the bottom of described pressure head is connected with the seal head for sealing inlet channel upper end-face edge.This sealing
Head seals the edge of inlet channel upper end when pressure head is depressed, and when preventing the air inlet of pressure head from inlet channel is supplied, gas is let out
Leakage.
Brief description
Fig. 1 is the structural representation of this utility model test device for air tightness.
Fig. 2 is the structural representation of the test fixture of this utility model test device for air tightness.
Fig. 3 is the structural representation of this utility model test device for air tightness aerostatic press.
As shown in the figure：
1st, frame, 2, workbench, 3, gas-tight tester, 4, air inlet pipe, 5, pressure regulator valve, 6, support base, 7, driving cylinder, 8,
Pressure head, 9, control valve, 10, test fixture, 11, supporting plate, 12, guide rail, 13, slide block, 14, draw-in groove, 15, inlet channel, 16, recessed
Groove, 17, frock body, 18, base, 19, seal head.
Specific embodiment
With specific embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2 and Figure 3;
This utility model test device for air tightness, it includes air inlet pipe 4, frame 1, workbench 2 and gas-tight tester 3, institute
The gas-tight tester 3 stated is arranged on workbench 2, and air inlet pipe 4 is connected with gas-tight tester 3, and described workbench 2 is provided with
Aerostatic press, described aerostatic press includes support base 6, driving cylinder 7 and the control valve 9 being connected with workbench 2, described drive gas
Cylinder 7 is fixedly connected on the top of support base 6, and the lower end of driving cylinder 7 piston rod is connected with the pressure head 8 of hollow, described pressure head 8
Lower end be provided with air inlet, described gas-tight tester 3 is connected with the air inlet of pressure head 8 by trachea；Described pressure head 8 lower section
Support base 6 bottom is provided with the test fixture 10 being mounted with test specimen to be measured, and the top of test fixture 10 is provided with and test specimen to be measured
The inlet channel 15 being connected, when the piston rod of driving cylinder 7 is in depressed state, the air inlet of pressure head 8 lower end with test work
Fill 10 inlet channel 15 upper end to be connected.
Pressure regulator valve 5 is connected with described frame 1, described air inlet pipe 4 is connected with pressure regulator valve 5, described pressure regulator valve 5 with
Gas-tight tester 3 is connected by trachea.
The piston-rod lower end of described driving cylinder 7 connects a supporting plate 11, and the upper end of described pressure head 8 is fixing with supporting plate 11
Connect, described support base 6 is connected with the guide rail 12 being vertically arranged, described supporting plate 11 is slidably fitted on guide rail 12.
Be slidably matched on described guide rail 12 slide block 13, and the lateral wall of described slide block 13 is provided with a draw-in groove 14, described
Supporting plate 11 be connected in draw-in groove 14.
Described test fixture includes frock body 17, and the bottom of described frock body 17 is provided with support base 6 bottom even
The base 18 connecing, the top of described frock body 17 is provided with the groove 16 for the insertion of pressure head 8 lower end, and described inlet channel 15
It is arranged on the bottom of groove 16, be provided with the cavity of accommodating test specimen to be measured in described frock body 17, under described inlet channel 15
End is connected with cavity.
The bottom of described pressure head 8 is connected with the seal head 19 for sealing inlet channel 15 upper end-face edge.
Claims (6)
1. a kind of test device for air tightness, it includes air inlet pipe (4), frame (1), workbench (2) and gas-tight tester (3), institute
The gas-tight tester (3) stated is arranged on workbench (2), and air inlet pipe (4) connect with gas-tight tester (3) it is characterised in that：
Described workbench (2) is provided with aerostatic press, and described aerostatic press includes support base (6), the drive gas being connected with workbench (2)
Cylinder (7) and control valve (9), described driving cylinder (7) is fixedly connected on the top of support base (6), and driving cylinder (7) piston
The lower end of bar is connected with the pressure head (8) of hollow, and the lower end of described pressure head (8) is provided with air inlet, and described gas-tight tester (3) leads to
The air inlet crossing trachea with pressure head (8) connects；Support base (6) bottom below described pressure head (8) be provided be mounted with to be tested
The test fixture (10) of part, and the top of test fixture (10) is provided with the inlet channel (15) being connected with test specimen to be measured, drives
When the piston rod of cylinder (7) is in depressed state, the inlet channel (15) of the air inlet of pressure head (8) lower end and test fixture (10)
Upper end is connected.
2. test device for air tightness according to claim 1 it is characterised in that：It is connected with pressure regulation in described frame (1)
Valve (5), described air inlet pipe (4) is connected with pressure regulator valve (5), and described pressure regulator valve (5) is with gas-tight tester (3) by trachea even
Connect.
3. test device for air tightness according to claim 1 it is characterised in that：Under the piston rod of described driving cylinder (7)
End connects a supporting plate (11), and the upper end of described pressure head (8) is fixedly connected with supporting plate (11), and described support base (6) connects
It is connected to the guide rail (12) being vertically arranged, described supporting plate (11) is slidably fitted on guide rail (12).
4. test device for air tightness according to claim 3 it is characterised in that：It is slidably matched one on described guide rail (12)
Slide block (13), the lateral wall of described slide block (13) is provided with a draw-in groove (14), and described supporting plate (11) is connected to draw-in groove (14)
Interior.
5. test device for air tightness according to claim 1 it is characterised in that：Described test fixture includes frock body
(17), the bottom of described frock body (17) is provided with the base (18) being connected with support base (6) bottom, described frock body (17)
Top be provided with groove (16) for the insertion of pressure head (8) lower end, and described inlet channel (15) is arranged on the bottom of groove (16)
Portion, is provided with the cavity of accommodating test specimen to be measured in described frock body (17), the lower end of described inlet channel (15) is connected with cavity.
6. test device for air tightness according to claim 1 it is characterised in that：The bottom of described pressure head (8) is connected with use
Seal head (19) in sealing inlet channel (15) upper end-face edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620730131.XU CN205981556U (en) | 2016-07-08 | 2016-07-08 | Air tightness testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620730131.XU CN205981556U (en) | 2016-07-08 | 2016-07-08 | Air tightness testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205981556U true CN205981556U (en) | 2017-02-22 |
Family
ID=58023890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620730131.XU Active CN205981556U (en) | 2016-07-08 | 2016-07-08 | Air tightness testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205981556U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860522A (en) * | 2017-12-11 | 2018-03-30 | 江苏铭利达科技有限公司 | A kind of package seal checker |
| CN108414162A (en) * | 2018-06-01 | 2018-08-17 | 广州维发自动化设备有限公司 | A kind of high precision multichannel air-tightness testing device |
| CN108827550A (en) * | 2018-09-20 | 2018-11-16 | 北京行易道科技有限公司 | Watertight test device |
| CN109141755A (en) * | 2018-09-05 | 2019-01-04 | 宁波博大机械有限公司 | A kind of comprehensive measurement device |
| CN110044606A (en) * | 2019-05-08 | 2019-07-23 | 重庆康搏斯动力设备有限公司 | Transmission box for tiller adjustment, air tightness detection system |
| CN110319979A (en) * | 2019-06-28 | 2019-10-11 | 杭州洲钜电子科技有限公司 | A kind of air tightness detection tool and air tightness detecting system |
| CN113740171A (en) * | 2021-09-08 | 2021-12-03 | 河南中南工业有限责任公司 | Inserted rod type hydrostatic testing machine |
| CN116448328A (en) * | 2023-04-17 | 2023-07-18 | 昆山伟理塑汽车部件有限公司 | Vertical air tightness detection device |
-
2016
- 2016-07-08 CN CN201620730131.XU patent/CN205981556U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860522A (en) * | 2017-12-11 | 2018-03-30 | 江苏铭利达科技有限公司 | A kind of package seal checker |
| CN108414162A (en) * | 2018-06-01 | 2018-08-17 | 广州维发自动化设备有限公司 | A kind of high precision multichannel air-tightness testing device |
| CN109141755A (en) * | 2018-09-05 | 2019-01-04 | 宁波博大机械有限公司 | A kind of comprehensive measurement device |
| CN109141755B (en) * | 2018-09-05 | 2024-01-23 | 宁波博大机械有限公司 | Comprehensive measuring device |
| CN108827550A (en) * | 2018-09-20 | 2018-11-16 | 北京行易道科技有限公司 | Watertight test device |
| CN110044606A (en) * | 2019-05-08 | 2019-07-23 | 重庆康搏斯动力设备有限公司 | Transmission box for tiller adjustment, air tightness detection system |
| CN110044606B (en) * | 2019-05-08 | 2024-06-04 | 重庆康搏斯动力设备有限公司 | Running-in and air tightness detection system for transmission case of mini-tiller |
| CN110319979A (en) * | 2019-06-28 | 2019-10-11 | 杭州洲钜电子科技有限公司 | A kind of air tightness detection tool and air tightness detecting system |
| CN110319979B (en) * | 2019-06-28 | 2024-08-23 | 杭州洲钜电子科技有限公司 | Airtight detection frock and airtight detecting system |
| CN113740171A (en) * | 2021-09-08 | 2021-12-03 | 河南中南工业有限责任公司 | Inserted rod type hydrostatic testing machine |
| CN116448328A (en) * | 2023-04-17 | 2023-07-18 | 昆山伟理塑汽车部件有限公司 | Vertical air tightness detection device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |