CN211477545U - High-pressure air tightness testing device for brake master cylinder - Google Patents
High-pressure air tightness testing device for brake master cylinder Download PDFInfo
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- CN211477545U CN211477545U CN201922264408.0U CN201922264408U CN211477545U CN 211477545 U CN211477545 U CN 211477545U CN 201922264408 U CN201922264408 U CN 201922264408U CN 211477545 U CN211477545 U CN 211477545U
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- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 62
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 238000003825 pressing Methods 0.000 claims abstract description 19
- 238000003860 storage Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 238000013522 software testing Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000003913 materials processing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Valves And Accessory Devices For Braking Systems (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model belongs to the field of auxiliary equipment for vehicle part production, in particular to a high-pressure air tightness testing device for a brake master cylinder; brake master cylinder high pressure gas tightness testing arrangement, it includes the support frame, and the top of support frame is equipped with mounting platform, its characterized in that: a workpiece supporting part is arranged in the middle of the mounting platform, an inflation module is arranged at the lower part of the workpiece supporting part, a pressing and fixing component connected with the mounting platform is arranged above the workpiece supporting part, and an automatic sealing mechanism for sealing the workpiece is arranged on the surface of the mounting platform on the side edge of the workpiece supporting part; the utility model relates to a testing arrangement for brake master cylinder carries out gas tightness has realized the automation of brake master cylinder gas tightness test, has improved efficiency of software testing, can in time screen unqualified product of quality, avoids the outflow of bad product.
Description
Technical Field
The utility model belongs to vehicle parts production auxiliary assembly field, in particular to be used for brake master cylinder high pressure gas tightness testing arrangement.
Background
The brake main cylinder belongs to a one-way acting piston type hydraulic cylinder, and has the function of converting mechanical energy input by a pedal mechanism into hydraulic energy, and is mainly divided into a single-cavity type and a double-cavity type.
When the brake is used, a driver treads on the pedal to force the piston to move forwards through the push rod, in the process, the piston drives the main leather cup to cross the overflow hole, the hydraulic pipeline is closed at the moment, and the pedaling force is transmitted downwards through the brake fluid. When the brake is released, the return spring pushes the piston to return quickly.
Therefore, the requirement on the air tightness of the brake master cylinder is high, and the air tightness of the brake master cylinder needs to be detected.
Disclosure of Invention
To the above problem, the utility model relates to a testing arrangement for brake master cylinder carries out gas tightness has realized the automation of brake master cylinder gas tightness test, has improved efficiency of software testing, can in time filter unqualified product of quality, avoids the outflow of bad product.
Realize the technical scheme of the utility model as follows:
brake master cylinder high pressure gas tightness testing arrangement, it includes the support frame, and the top of support frame is equipped with mounting platform, its characterized in that: the middle part of the mounting platform is provided with a workpiece supporting part, the lower part of the workpiece supporting part is provided with an inflation module, a pressing and fixing component connected with the mounting platform is arranged above the workpiece supporting part, and the surface of the mounting platform on the side edge of the workpiece supporting part is provided with an automatic sealing mechanism for sealing the workpiece.
The workpiece supporting component comprises a circular base body connected with the mounting platform, a sunken positioning counter bore is formed in the middle of the circular base body, an air inlet is formed in the middle of the positioning counter bore and connected with the inflation module, and two positioning pins are arranged on the upper surface of the circular base body.
The pressing fixing assembly comprises an inverted L-shaped support frame fixedly connected with the mounting platform, a pressing cylinder is arranged at the upper end of the L-shaped support frame, and a pressing block for pressing the upper end of a workpiece is arranged at the movable end of the pressing cylinder.
The automatic sealing mechanism comprises a hole sealing mechanism and an end face sealing mechanism.
Hole sealing mechanism include with mounting platform fixed connection's first support column, be equipped with two guiding holes on the first support column, be equipped with the slide bar in the guiding hole, the one end of slide bar is equipped with first sealing member, the other end and the first actuating mechanism of slide bar are connected, first actuating mechanism includes the first mounting panel fixed with mounting platform, is fixed with first drive actuating cylinder on the first mounting panel, first output that drives actuating cylinder is connected with the other end of two slide bars.
The first sealing element comprises a sealing connecting end connected with one end of the sliding rod, the sealing connecting end is connected with a sealing rod extending into the workpiece hole through a conical surface in a transition mode, and the first sealing element is processed by adopting a rubber material.
The end face sealing mechanism comprises a second supporting column fixedly connected with the mounting platform, two guide holes are formed in the second supporting column, sliding rods are arranged in the guide holes, a second sealing element is arranged at one end of each sliding rod, the other end of each sliding rod is connected with a second driving mechanism, the second driving mechanism comprises a second mounting plate fixed with the mounting platform, a second driving cylinder is fixed on the second mounting plate, and the output end of the second driving cylinder is connected with the other ends of the two sliding rods.
The second sealing element is a cylindrical rubber sealing element, and the hole of the workpiece is sealed by pressing and covering the end face of the second sealing element.
A storage box is arranged below the mounting platform, a through hole through which a workpiece can pass is formed in the mounting platform, and a guide groove is formed between the through hole and the storage box.
To sum up, the utility model discloses following beneficial effect has:
the utility model relates to a testing arrangement for brake master cylinder carries out gas tightness has realized the automation of brake master cylinder gas tightness test, has improved efficiency of software testing, can in time screen unqualified product of quality, avoids the outflow of bad product.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the present invention with a portion of the baffle removed;
fig. 3 is a schematic top view of the present invention;
FIG. 4 is a perspective view of the workpiece support assembly;
FIG. 5 is a schematic front view of the workpiece support assembly;
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 3, the high-pressure air tightness testing device for the brake master cylinder comprises a support frame 1, wherein a mounting platform 2 is arranged at the top of the support frame 1, and the high-pressure air tightness testing device is characterized in that: the middle part of the mounting platform 2 is provided with a workpiece supporting part 3, the lower part of the workpiece supporting part 3 is provided with an inflation module 4, a pressing and fixing component 5 connected with the mounting platform is arranged above the workpiece supporting part 3, the surface of the mounting platform at the side edge of the workpiece supporting part is provided with an automatic sealing mechanism 6 for sealing the workpiece, the utility model fixes the workpiece to be tested on the workpiece supporting part through the pressing and fixing component, then seals each hole position on the workpiece through the automatic sealing mechanism, then fills gas into the brake main cylinder through the inflation module, detects the change of the pressure in the brake main cylinder, if the pressure is stable, the airtightness of the brake main cylinder is good, if the pressure is changed, the workpiece has quality problem, when the testing device is used, people put the workpiece into the workpiece supporting part, subsequent testing actions are automatically completed, so that the automation of testing operation is realized, the testing efficiency is improved, and the requirement of mass testing is met.
The workpiece supporting component 3 comprises a circular base body 30 connected with the mounting platform, a sunken positioning counter bore 31 is arranged in the middle of the circular base body 30, an air inlet 32 is arranged in the middle of the positioning counter bore 31, the air inlet 32 is connected with the inflation module 4, two positioning pins 33 are arranged on the upper surface of the circular base body, the inflation module is a common module for controlling the on-off of an air path, so that the structure of the inflation module is not explained in the application document, the workpiece supporting component is used for supporting a brake master cylinder to be tested, the brake master cylinder is divided into a left part and a right part, so that the two positioning pins are arranged, the positioning requirements of the brake master cylinders on different sides can be met, the testing device can test the brake master cylinders on different sides, parts do not need to be replaced, and the applicability of the device.
The compressing and fixing assembly 5 comprises an inverted L-shaped support frame 50 fixedly connected with the mounting platform, a compressing cylinder 51 is arranged at the upper end of the L-shaped support frame 50, a compressing block 52 for compressing the upper end of a workpiece is arranged at the movable end of the compressing cylinder 51, the compressing block acts on the upper end of the brake master cylinder to be tested through the downward pressing of the compressing cylinder, the workpiece to be tested can be stably and reliably connected with the workpiece support component, and the sealing effect between the brake master cylinder and the workpiece support component is also ensured.
The automatic sealing mechanism 6 comprises a hole sealing mechanism 60 and an end face sealing mechanism 61.
The hole sealing mechanism 60 comprises a first supporting column 601 fixedly connected with a mounting platform, two guide holes 602 are formed in the first supporting column 601, sliding rods 603 are arranged in the guide holes 602, one end of each sliding rod 603 is provided with a first sealing element 604, the other end of each sliding rod 603 is connected with a first driving mechanism 605, each first driving mechanism 605 comprises a first mounting plate 6050 fixed with the mounting platform, a first driving cylinder 6051 is fixed on each first mounting plate 6050, the output end of each first driving cylinder is connected with the other end of each two sliding rods, the hole sealing mechanism is arranged on the mounting platform, the first driving cylinder works to enable the first sealing element to move forwards and keep sealed, and after the test is finished, the first sealing element is driven to move backwards to facilitate the replacement of workpieces.
First sealing member 604 include the seal connection end of being connected with slide bar one end, seal connection end has the sealing rod that stretches into the work piece downthehole through conical surface transitional coupling, first sealing member adopt rubber materials processing to form, first sealing member seals the hole end in through the sealing rod insert hole.
The end face sealing mechanism 61 comprises a second supporting column 611 fixedly connected with the mounting platform, two guide holes 612 are formed in the second supporting column 611, a sliding rod 613 is arranged in each guide hole, a second sealing element 614 is arranged at one end of each sliding rod, the other end of each sliding rod 613 is connected with a second driving mechanism 615, each second driving mechanism 615 comprises a second mounting plate 6150 fixed with the mounting platform, a second driving cylinder 6151 is fixed on each second mounting plate 6150, the output end of each second driving cylinder is connected with the other end of each sliding rod, and the working principle of the mechanism is the same as that of the hole sealing mechanism.
The second sealing element 614 is a cylindrical rubber sealing element, and seals the hole of the workpiece by pressing the end face of the second sealing element, where the second sealing element is an end face sealing element and seals the end face of the hole by covering the end face of the hole with the second sealing element.
Be located the mounting platform below and be equipped with receiver 7, be equipped with through-hole 20 that the work piece can pass on mounting platform 2, be equipped with guide way 70 between through-hole and the receiver, when the product that detects out appears nonconforming, carries out timely differentiation for the staff, so set up the receiver in mounting platform's below for accomodate unqualified part, avoid obscuring of unqualified product and certified products.
To sum up, the utility model discloses following beneficial effect has:
the utility model relates to a testing arrangement for brake master cylinder carries out gas tightness has realized the automation of brake master cylinder gas tightness test, has improved efficiency of software testing, can in time screen unqualified product of quality, avoids the outflow of bad product.
Claims (9)
1. Brake master cylinder high pressure gas tightness testing arrangement, it includes the support frame, and the top of support frame is equipped with mounting platform, its characterized in that: the middle part of the mounting platform is provided with a workpiece supporting part, the lower part of the workpiece supporting part is provided with an inflation module, a pressing and fixing component connected with the mounting platform is arranged above the workpiece supporting part, and the surface of the mounting platform on the side edge of the workpiece supporting part is provided with an automatic sealing mechanism for sealing the workpiece.
2. The master cylinder high-pressure airtightness testing apparatus according to claim 1, wherein: the workpiece supporting component comprises a circular base body connected with the mounting platform, a sunken positioning counter bore is formed in the middle of the circular base body, an air inlet is formed in the middle of the positioning counter bore and connected with the inflation module, and two positioning pins are arranged on the upper surface of the circular base body.
3. The master cylinder high-pressure airtightness testing apparatus according to claim 1, wherein: the pressing fixing assembly comprises an inverted L-shaped support frame fixedly connected with the mounting platform, a pressing cylinder is arranged at the upper end of the L-shaped support frame, and a pressing block for pressing the upper end of a workpiece is arranged at the movable end of the pressing cylinder.
4. The master cylinder high-pressure airtightness testing apparatus according to claim 1, wherein: the automatic sealing mechanism comprises a hole sealing mechanism and an end face sealing mechanism.
5. The master cylinder high-pressure airtightness testing apparatus according to claim 4, wherein: hole sealing mechanism include with mounting platform fixed connection's first support column, be equipped with two guiding holes on the first support column, be equipped with the slide bar in the guiding hole, the one end of slide bar is equipped with first sealing member, the other end and the first actuating mechanism of slide bar are connected, first actuating mechanism includes the first mounting panel fixed with mounting platform, is fixed with first drive actuating cylinder on the first mounting panel, first output that drives actuating cylinder is connected with the other end of two slide bars.
6. The master cylinder high-pressure airtightness testing apparatus according to claim 5, wherein: the first sealing element comprises a sealing connecting end connected with one end of the sliding rod, the sealing connecting end is connected with a sealing rod extending into the workpiece hole through a conical surface in a transition mode, and the first sealing element is processed by adopting a rubber material.
7. The master cylinder high-pressure airtightness testing apparatus according to claim 4, wherein: the end face sealing mechanism comprises a second supporting column fixedly connected with the mounting platform, two guide holes are formed in the second supporting column, sliding rods are arranged in the guide holes, a second sealing element is arranged at one end of each sliding rod, the other end of each sliding rod is connected with a second driving mechanism, the second driving mechanism comprises a second mounting plate fixed with the mounting platform, a second driving cylinder is fixed on the second mounting plate, and the output end of the second driving cylinder is connected with the other ends of the two sliding rods.
8. The master cylinder high-pressure airtightness testing apparatus according to claim 7, wherein: the second sealing element is a cylindrical rubber sealing element, and the hole of the workpiece is sealed by pressing and covering the end face of the second sealing element.
9. The master cylinder high-pressure airtightness testing apparatus according to claim 1, wherein: a storage box is arranged below the mounting platform, a through hole through which a workpiece can pass is formed in the mounting platform, and a guide groove is formed between the through hole and the storage box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922264408.0U CN211477545U (en) | 2019-12-16 | 2019-12-16 | High-pressure air tightness testing device for brake master cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922264408.0U CN211477545U (en) | 2019-12-16 | 2019-12-16 | High-pressure air tightness testing device for brake master cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN211477545U true CN211477545U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922264408.0U Active CN211477545U (en) | 2019-12-16 | 2019-12-16 | High-pressure air tightness testing device for brake master cylinder |
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| Country | Link |
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| CN (1) | CN211477545U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611519A (en) * | 2020-12-23 | 2021-04-06 | 芜湖稳乐制动系统有限公司 | Power-assisted oil cylinder detection device of automobile braking system |
-
2019
- 2019-12-16 CN CN201922264408.0U patent/CN211477545U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611519A (en) * | 2020-12-23 | 2021-04-06 | 芜湖稳乐制动系统有限公司 | Power-assisted oil cylinder detection device of automobile braking system |
| CN112611519B (en) * | 2020-12-23 | 2024-04-02 | 芜湖稳乐制动系统有限公司 | Power-assisted cylinder detection device of automobile braking system |
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