CN216116534U - Frock of airtight detection of pressure-increasing valve push rod - Google Patents
Frock of airtight detection of pressure-increasing valve push rod Download PDFInfo
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- CN216116534U CN216116534U CN202120808719.3U CN202120808719U CN216116534U CN 216116534 U CN216116534 U CN 216116534U CN 202120808719 U CN202120808719 U CN 202120808719U CN 216116534 U CN216116534 U CN 216116534U
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Abstract
The utility model relates to the field of production and manufacturing of automobile hydraulic braking systems, in particular to a tool for detecting airtightness of a booster valve push rod, which is characterized in that: a guide hole is formed in the middle of the lower portion of the tool main body, a compression screw is arranged at the bottom of the guide hole in the tool main body, a spring piece is arranged above the compression screw, a compression spring is arranged below a spring gasket, a push rod compression rod is arranged below the compression spring, a compression block is located below the tool main body, and the lower portion of the connector penetrates through a first through hole; the pressure valve push rod airtightness detection device is characterized in that the supporting tool is located below the pressing block, a second through hole is formed in the middle of the supporting tool and is coaxially arranged with the first through hole, the airtightness detection tool is located below the supporting tool, the air inlet tool is located below the airtightness detection tool, and the profiling structure is cylindrical and is installed on the second positioning groove.
Description
Technical Field
The utility model relates to the field of production and manufacturing of automobile hydraulic braking systems, in particular to a tool for detecting airtightness of a booster valve push rod.
Background
In the field of manufacturing of domestic and foreign automobile hydraulic braking systems, advanced tools and airtight detection means are adopted to carry out accurate and quick product performance detection on products, and the purpose is as follows:
(1) the accuracy of product detection data is guaranteed, the structure of production equipment is reliable, and the detection data is credible.
(2) The production efficiency is improved, the production equipment can quickly obtain the detection result, and the production beat is faster.
(3) The production qualification rate is improved, the accuracy of detection data is ensured in the production process, the equipment misjudgment is reduced, and the production qualification rate is higher.
The tool for detecting the airtightness of the push rod of the general booster valve is in a cylinder compression detection mode, and cannot simulate the stress condition of the push rod of the booster valve when the booster valve works in an automobile ESC system, so that the airtightness detection result of the push rod of the booster valve is not accurate enough, misjudgment parts are easy to occur, and the production efficiency and the product percent of pass are reduced. In addition, the working performance of the pressure increasing valve is directly influenced by the airtightness detection result of the push rod of the pressure increasing valve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tool for detecting the airtightness of a push rod of a booster valve, so that the airtightness detection result of the push rod of the booster valve is more accurate, and higher production efficiency is obtained.
In order to solve the technical problem, the tool for detecting the airtightness of the pressure increasing valve push rod is characterized in that: the method comprises the following steps:
the tool comprises a tool main body, wherein the tool main body is of a cylindrical structure, a guide hole is formed in the middle of the lower portion of the tool main body, a compression screw is arranged at the bottom of the guide hole in the tool main body, a spring gasket is arranged above the compression screw, a compression spring is arranged below the spring gasket, a push rod compression rod is arranged below the compression spring, the push rod compression rod is arranged in the guide hole formed in the tool main body, a connector is arranged in the middle of the lower end of the push rod compression rod, and a first positioning groove is formed in the lower portion of the guide hole;
the pressing block is of a cylindrical structure and is positioned below the tool main body, a first boss is arranged in the middle of the upper end of the pressing block and is mounted on a first positioning groove, a first through hole is formed in the middle of the first boss, a second positioning groove in an inverted T shape is formed in the lower portion of the first through hole, an air outlet hole is formed in the right side above the second positioning groove and is communicated with the first through hole, and the lower portion of the connector penetrates through the first through hole;
the supporting tool is of a disc-shaped structure and is positioned below the pressing block, a second through hole is formed in the middle of the supporting tool and is coaxial with the first through hole, and a third positioning groove is formed in the lower portion of the second through hole;
the airtightness detection tool is of a disc-shaped structure and is positioned below the supporting tool, a second boss is arranged in the middle of the airtightness detection tool and is mounted on a third positioning groove, a sealing groove is formed in the middle of the second boss, a third through hole is formed in the lower end of the middle of the sealing groove, and a fourth positioning groove is formed in the lower portion of the third through hole;
the air inlet tool is of a cylindrical structure and is positioned below the air tightness detection tool, a third boss is arranged above the middle part of the air inlet tool and is installed on a fourth positioning groove, a first air guide hole is formed in the middle part of the third boss, and an air inlet hole is formed in the right side of the bottom of the first air guide hole and communicated with the first air guide hole;
the profiling structure is cylindrical and is installed on the second positioning groove, a step is arranged on the outer side of the middle of the profiling structure, the step is placed on the end face of the upper portion of the supporting tool, the portion, located below the step, of the profiling structure penetrates through the second through hole and is located above the sealing groove, a connecting hole is formed in the middle of the profiling structure, and a pressurizing valve assembly is installed on the connecting hole.
The top of the boost valve component penetrates through the profiling structure and abuts against the lower end of the connector, the lower end of the boost valve component is flush with the lower end of the profiling structure, the lower end of the boost valve component is provided with a sealing cavity, and a valve port is arranged above the sealing cavity.
Furthermore, a sealing gasket is arranged on the sealing groove and is positioned between the profiling structure and the bottom of the sealing groove.
Furthermore, a second air guide hole which is communicated up and down is formed in the middle of the sealing gasket.
Further, the supporting tool and the air tightness detecting tool are fixed through bolts.
Further, the inner diameter of the second air guide hole is smaller than the inner diameter of the sealing chamber.
Furthermore, the push rod compression rod is in clearance fit with the hole wall of the guide hole.
Further, an O-shaped sealing ring is arranged between adjacent end faces of the tool main body, the pressing block, the supporting tool, the air tightness detecting tool and the air inlet tool.
Compared with the prior art after adopting above structure, have following beneficial effect:
the utility model discloses a tool for detecting airtightness of a push rod of a booster valve, which is compared with the prior art: the tool can more accurately measure the airtight actual value of the pressure increasing valve push rod, and the accuracy and the stability of a detection result are guaranteed.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic diagram of a tool for detecting airtightness of a push rod of a pressure increasing valve.
Fig. 2 is a schematic view of a pressing block of the tool for detecting airtightness of the push rod of the pressure increasing valve.
Fig. 3 is a schematic view of a supporting tool of the tool for detecting airtightness of the push rod of the pressure increasing valve.
Fig. 4 is a schematic view of an air tightness detection tool of the pressure increasing valve push rod air tightness detection tool of the present invention.
Fig. 5 is a schematic diagram of a profiling structure of the tool for detecting airtightness of the push rod of the pressure increasing valve.
In the figure: 1-tool main body, 12-guide hole, 13-compression screw, 14-spring gasket, 15-compression spring, 16-push rod compression rod, 17-connector, 18-first positioning groove, 2-compression block, 21-first boss, 22-first through hole, 23-second positioning groove, 24-air outlet hole, 3-support tool, 31-second through hole, 32-third positioning groove, 4-air tightness detection tool, 41-second boss, 42-sealing groove, 43-third through hole, 44-fourth positioning groove, 5-air inlet tool, 51-third boss, 52-first air guide hole, 53-air inlet hole, 6-profile modeling structure, 61-step, 62-connecting hole, 7-pressurizing valve component, 71-sealing chamber, 72-valve port, 8-sealing pad, 81-second air guide hole and 9-sealing ring.
Detailed Description
The following description and the drawings sufficiently illustrate specific embodiments of the utility model to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of embodiments of the utility model encompasses the full ambit of the claims, as well as all available equivalents of the claims.
The tool for detecting the airtightness of the pressure increasing valve push rod as shown in figures 1 to 5 is characterized in that: the method comprises the following steps:
the tool comprises a tool main body 1, wherein the tool main body 1 is of a cylindrical structure, a guide hole 12 is formed in the middle of the lower portion of the tool main body 1, a compression screw 13 is arranged at the bottom of the guide hole 12 in the tool main body 1, a spring gasket 14 is arranged above the compression screw 13, a compression spring 15 is arranged below the spring gasket 14, a push rod compression rod 16 is arranged below the compression spring 15, the push rod compression rod 16 is arranged in the guide hole 12 formed in the tool main body 1, a connector 17 is arranged in the middle of the lower end of the push rod compression rod 16, and a first positioning groove 18 is formed in the lower portion of the guide hole 12;
the tool comprises a pressing block 2, the pressing block 2 is of a cylindrical structure and is located below a tool main body, a first boss 21 is arranged in the middle of the upper end of the pressing block, the first boss 21 is mounted on a first positioning groove 18, a first through hole 22 is formed in the middle of the first boss 21, a second positioning groove 23 in an inverted T shape is formed in the lower portion of the first through hole 22, an air outlet hole 24 is formed in the right side of the upper portion 23 of the second positioning groove and is communicated with the first through hole 22, and the lower portion of a connector penetrates through the first through hole 22;
the supporting tool 3 is of a disc-shaped structure, the supporting tool 3 is located below the pressing block 2, a second through hole 31 is formed in the middle of the supporting tool 3, the second through hole 31 and the first through hole 22 are coaxially arranged, and a third positioning groove 32 is formed in the lower portion of the second through hole 31;
the airtightness detection tool 4 is of a disc-shaped structure, the airtightness detection tool 4 is located below the support tool 3, a second boss 41 is arranged in the middle of the airtightness detection tool 4, the second boss 41 is mounted on the third positioning groove 32, a sealing groove 42 is arranged in the middle of the second boss 41, a third through hole 43 is arranged at the lower end of the middle of the sealing groove 42, and a fourth positioning groove 44 is arranged at the lower part of the third through hole 43;
the air inlet tool 5 is of a cylindrical structure, the air inlet tool 5 is located below the air tightness detection tool 4, a third boss 51 is arranged above the middle of the air inlet tool 5, the third boss 51 is installed on a fourth positioning groove 44, a first air guide hole 52 is formed in the middle of the third boss 51, and an air inlet hole 53 is formed in the right side of the bottom of the first air guide hole 52 and communicated with the first air guide hole 52;
the profile modeling structure 6, the profile modeling structure is cylindrical to install on second constant head tank 23, the profile modeling structure 6 middle part outside is provided with step 61, step 61 is placed on supporting the terminal surface of 3 upper portions of frock, the part that the profile modeling structure 6 is located step 61 below passes second through-hole 31 to be located the seal groove 42 top, connecting hole 62 has been seted up at the profile modeling structure 6 middle part, install pressure-increasing valve assembly 7 on the connecting hole 62.
The pressure increasing valve assembly 7 is cylindrical, the top of the pressure increasing valve assembly 7 penetrates through the profile modeling structure 6 and abuts against the lower end of the connector 17, the lower end of the pressure increasing valve assembly 7 is flush with the lower end of the profile modeling structure 6, the lower end of the pressure increasing valve assembly 7 is provided with a sealing cavity 71, and a valve port 72 is arranged above the sealing cavity 71.
Further, a sealing gasket 8 is arranged on the sealing groove 42 and is positioned between the profile structure 6 and the bottom of the sealing groove 42.
Furthermore, the middle part of the sealing gasket 8 is provided with a second air vent 81 which is communicated up and down.
Further, the supporting tool 3 and the air tightness detecting tool 4 are fixed through bolts.
Further, the inner diameter of the second air guide hole 81 is smaller than that of the sealing chamber 71.
Further, the push rod pressing rod 16 is in clearance fit with the hole wall of the guide hole 12.
Further, an O-shaped sealing ring 9 is arranged between adjacent end faces of the tool main body 1, the pressing block 2, the supporting tool 3, the air tightness detecting tool 4 and the air inlet tool 5.
When the airtightness detection is carried out, the profiling structure compresses the pressure valve assembly, the connector on the push rod compression rod is abutted to the pressure valve assembly, the compression spring is compressed, the spring force generated by compression of the compression spring is the same as the force value applied to the push rod of the pressure valve when the push rod of the pressure valve works in the ESC system of the automobile, and therefore the stress condition of the push rod of the pressure valve when the pressure valve works in the ESC system is simulated, and the airtightness detection result is more accurate.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many variations or modifications may be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims.
Claims (7)
1. The utility model provides a frock of airtight detection of booster valve push rod which characterized in that: the method comprises the following steps:
the tool comprises a tool main body, wherein the tool main body is of a cylindrical structure, a guide hole is formed in the middle of the lower portion of the tool main body, a compression screw is arranged at the bottom of the guide hole in the tool main body, a spring gasket is arranged above the compression screw, a compression spring is arranged below the spring gasket, a push rod compression rod is arranged below the compression spring, the push rod compression rod is arranged in the guide hole formed in the tool main body, a connector is arranged in the middle of the lower end of the push rod compression rod, and a first positioning groove is formed in the lower portion of the guide hole;
the pressing block is of a cylindrical structure and is positioned below the tool main body, a first boss is arranged in the middle of the upper end of the pressing block and is mounted on a first positioning groove, a first through hole is formed in the middle of the first boss, a second positioning groove in an inverted T shape is formed in the lower portion of the first through hole, an air outlet hole is formed in the right side above the second positioning groove and is communicated with the first through hole, and the lower portion of the connector penetrates through the first through hole;
the supporting tool is of a disc-shaped structure and is positioned below the pressing block, a second through hole is formed in the middle of the supporting tool and is coaxial with the first through hole, and a third positioning groove is formed in the lower portion of the second through hole;
the airtightness detection tool is of a disc-shaped structure and is positioned below the supporting tool, a second boss is arranged in the middle of the airtightness detection tool and is mounted on a third positioning groove, a sealing groove is formed in the middle of the second boss, a third through hole is formed in the lower end of the middle of the sealing groove, and a fourth positioning groove is formed in the lower portion of the third through hole;
the air inlet tool is of a cylindrical structure and is positioned below the air tightness detection tool, a third boss is arranged above the middle part of the air inlet tool and is installed on a fourth positioning groove, a first air guide hole is formed in the middle part of the third boss, and an air inlet hole is formed in the right side of the bottom of the first air guide hole and communicated with the first air guide hole;
the copying structure is cylindrical and is arranged on the second positioning groove, a step is arranged on the outer side of the middle part of the copying structure, the step is placed on the end face of the upper part of the supporting tool, the part of the copying structure, which is positioned below the step, penetrates through the second through hole and is positioned above the sealing groove, a connecting hole is formed in the middle part of the copying structure, and a pressurizing valve assembly is arranged on the connecting hole;
the top of the boost valve component penetrates through the profiling structure and abuts against the lower end of the connector, the lower end of the boost valve component is flush with the lower end of the profiling structure, the lower end of the boost valve component is provided with a sealing cavity, and a valve port is arranged above the sealing cavity.
2. The tool for detecting the airtightness of the push rod of the pressure increasing valve according to claim 1, wherein a sealing gasket is placed on the sealing groove and is located between the profiling structure and the bottom of the sealing groove.
3. The tool for detecting the airtightness of the pressure increasing valve push rod according to claim 2, wherein a second air-guide hole which is through from top to bottom is formed in the middle of the sealing gasket.
4. The tool for detecting the airtightness of the push rod of the pressure increasing valve according to claim 1, wherein the supporting tool and the airtightness detecting tool are fixed by bolts.
5. The tool for detecting the airtightness of the push rod of the booster valve according to claim 3, wherein the inner diameter of the second air-guide hole is smaller than the inner diameter of the sealed chamber.
6. The tool for detecting the airtightness of the push rod of the pressure increasing valve according to claim 1, wherein the push rod pressing rod is in clearance fit with the hole wall of the guide hole.
7. The tool for detecting the airtightness of the push rod of the booster valve according to claim 1, wherein O-shaped sealing rings are installed between the adjacent end faces of the tool main body, the pressing block, the supporting tool, the airtightness detecting tool and the air inlet tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120808719.3U CN216116534U (en) | 2021-04-20 | 2021-04-20 | Frock of airtight detection of pressure-increasing valve push rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120808719.3U CN216116534U (en) | 2021-04-20 | 2021-04-20 | Frock of airtight detection of pressure-increasing valve push rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216116534U true CN216116534U (en) | 2022-03-22 |
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ID=80686956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120808719.3U Active CN216116534U (en) | 2021-04-20 | 2021-04-20 | Frock of airtight detection of pressure-increasing valve push rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216116534U (en) |
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2021
- 2021-04-20 CN CN202120808719.3U patent/CN216116534U/en active Active
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