CN212458812U - Sealing performance detection equipment of electromagnetic valve for automobile brake - Google Patents
Sealing performance detection equipment of electromagnetic valve for automobile brake Download PDFInfo
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- CN212458812U CN212458812U CN202021285830.0U CN202021285830U CN212458812U CN 212458812 U CN212458812 U CN 212458812U CN 202021285830 U CN202021285830 U CN 202021285830U CN 212458812 U CN212458812 U CN 212458812U
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Abstract
The utility model discloses a sealing performance check out test set of solenoid valve for automobile brake, including the gas tightness leak detector, the gas tightness leak detector pass through the trachea and link to each other with vacuum pump and air supply, the gas tightness leak detector detect frock or normally closed valve leakproofness through trachea and normally open valve leakproofness and detect the frock and link to each other, normally open valve leakproofness detect frock and normally closed valve leakproofness detect the frock and all include upper base and the lower base that cup joints from top to bottom, upper base and lower base between install normally open valve test component or normally closed valve test component. The utility model discloses can realize the leakproofness of short-term test solenoid valve case and valve port part, the off-the-shelf qualification rate of solenoid valve when helping improving the assembly of later stage production line.
Description
Technical Field
The utility model relates to an automobile parts detection area specifically is a sealing performance check out test set of solenoid valve for automobile brake.
Background
The electromagnetic valve is a core component of an automobile brake product, and the electromagnetic valve mainly has the function of realizing the opening and closing of the electromagnetic valve by controlling the energization of a coil of the electromagnetic valve, so that the separation and the communication of an internal pipeline are realized. In addition, normally open solenoid valve still can realize output pipeline ladder pressure boost function as the pressure-reducing valve in the drive-by-wire braking product as the pressure-increasing valve in the drive-by-wire product, cooperation coil still can realize the function of output pipeline ladder decompression. No matter realize the break-make of pipeline or the uniformity of output pipeline ladder pressure boost or decompression function, all need guarantee through the good leakproofness of normally open valve port and case, if do not have easy and simple to handle, design reliable sealed check out test set will cause the sealing performance of valve port part and case part in batch production process can't monitor at any time, in case the leakproofness that detects big batch solenoid valve at the detection station during production line assembly can not satisfy the designing requirement, will cause very big production loss.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sealing performance check out test set of solenoid valve for automobile brake can realize the leakproofness of short-term test solenoid valve case and valve port part, and the off-the-shelf qualification rate of solenoid valve when helping improving later stage production line assembly.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sealing performance check out test set of solenoid valve for automobile brake, includes the gas tightness leak detector, the gas tightness leak detector pass through the trachea and link to each other with vacuum pump and air supply, the gas tightness leak detector detect frock or normally closed valve leakproofness through trachea and normally open valve leakproofness and detect the frock and link to each other, normally open valve leakproofness detect frock and normally closed valve leakproofness detect the frock and all include the last base and the lower base that cup joint from top to bottom, last base and lower base between install normally open valve test component or normally closed valve test component.
Preferably, a pressing block for fixing the normally-open valve testing assembly or the normally-closed valve testing assembly is arranged between the upper base and the lower base of the normally-open valve sealing performance detecting tool and the normally-closed valve sealing performance detecting tool.
Preferably, the normally open valve testing assembly comprises a normally open valve moving iron installed in the lower base and a normally open valve spool penetrating through the middle of the normally open valve moving iron, the normally open valve spool penetrates through the pressing block to be abutted against a normally open valve port arranged at the upper end of the pressing block, and the normally open valve port is communicated with the air tightness leak detector through an air passage in the upper base.
Preferably, the normally-closed valve testing assembly comprises a normally-closed valve port arranged in the lower base, the normally-closed valve port is blocked by a normally-closed valve core in the normally-closed valve port, the upper end of the normally-closed valve core is connected with a normally-closed valve moving iron penetrating through the pressing block, a normally-closed valve spring abutting against the upper base is installed at the upper end of the normally-closed valve moving iron, and the normally-closed valve port is communicated with the air tightness leak detector through an air passage in the lower base.
Preferably, a quick-screwing double-head through joint is mounted on a gas pipe between the gas tightness leak detector and the normally-opened valve tightness detection tool or the normally-closed valve tightness detection tool, and one end of the gas pipe is connected with the normally-opened valve tightness detection tool or the normally-closed valve tightness detection tool through the quick-screwing single-head through joint.
Preferably, anaerobic type pipe thread sealant is coated on a part, connected with the normally-open valve tightness detection tool or the normally-closed valve tightness detection tool, of the quick-screwing single-head straight-through joint.
Further, seal ring is installed between the inside air flue of normally open valve leakproofness detection frock and normally closed valve leakproofness detection frock and normally open valve test component or normally closed valve test component.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the device is suitable for controlling the sealing performance of a sealing part production side, the sealing performance of a valve core and a valve port part of the electromagnetic valve can be rapidly detected by matching a reliable tool with a professional leak detector device, when the valve port part and the valve core part are produced in batch, a quality department of the production side can rapidly detect whether the sealing performance of the part meets requirements, the detection capability of the sealing performance of the part is established by an early-stage production side, the qualification rate of the finished electromagnetic valve product during later-stage production line assembly is improved, the sealing performance of the valve port part and the valve core part is effectively detected, the qualification rate of the product is improved, the loss caused by defective products is reduced, the sealing performance of the electromagnetic valve and the consistency of the pressure increasing and decreasing performance are improved, and the important effect is played on the performance consistency and the stability of an automobile brake product assembly;
2. adopt general normally open valve leakproofness to detect frock or normally closed valve leakproofness and detect frock, make things convenient for quick installation and the dismantlement of the inside core part of solenoid valve.
Drawings
FIG. 1 is a schematic diagram of the system connection of the present invention;
fig. 2 is an installation structure diagram of the normally open valve tightness detection tool and the normally open valve test assembly of the present invention;
fig. 3 is a mounting structure diagram of the sealing performance testing tool and the testing assembly of the normally-closed valve of the present invention;
FIG. 4 is a block diagram of the sealing test assembly of the normally open valve of the present invention;
fig. 5 is a structural diagram of the sealing performance testing assembly of the normally-closed valve of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-5, the utility model relates to a sealing performance check out test set of solenoid valve for automobile brake, including gas tightness leak detector 2, gas tightness leak detector 2 link to each other with vacuum pump 1 and air supply 4 through trachea 3, gas tightness leak detector 2 detect frock 5 or the valve tightness of normally opening through trachea 3 and normally opening and detect frock 6 and link to each other, valve tightness of normally opening detect frock 5 and valve tightness of normally closing detect frock 6 and all include upper base 504 and lower base 507 that cup joint from top to bottom, upper base 504 and lower base 507 between install valve test component 7 that normally opens or valve test component 8 that normally closes.
A pressing block 505 for fixing a normally-open valve testing component 7 or a normally-closed valve testing component 8 is arranged between an upper base 504 and a lower base 507 of the normally-open valve tightness detecting tool 5 and the normally-closed valve tightness detecting tool 6, the normally-open valve testing component 7 comprises a normally-open valve moving iron 703 arranged in the lower base 507 and a normally-open valve spool 702 penetrating through the middle of the normally-open valve moving iron 703, the normally-open valve spool 702 penetrates through the pressing block 505 to be abutted against a normally-open valve port 701 arranged at the upper end of the pressing block 505, the normally-open valve port 701 is communicated with the air tightness leak detector 2 through an air channel in the upper base 504, and the normally-open valve tightness detecting tool 5 can simulate the electromagnetic attraction force of the normally-open valve spool 702 and the normally-open valve port 701 during working or the minimum acting force of the spool on the valve port through the weight of the upper base 504, so that the testing working condition is close to the, the test result is more real.
The normally-closed valve test assembly 8 includes a normally-closed valve port 803 disposed in a lower base 507, the normally-closed valve port 803 is blocked by a normally-closed valve core 804 inside, the upper end of the normally-closed valve core 804 is connected with a normally-closed moving iron 802 penetrating through a pressure block 505, the upper end of the normally-closed valve moving iron 802 is provided with a normally-closed valve spring 801 which is pressed against the upper base 504, the valve port 803 of the normally-closed valve is communicated with the air tightness leak detector 2 through an air passage in the lower base 507, the sealing detection tool 6 of the normally-closed valve is used for detecting whether the weight of the upper base 504 of the normally-closed valve is larger than the installation pre-tightening force of the spring 801 of the normally-closed valve in a product, the pretightening force borne by the normally-closed valve spring 801 in the normally-closed valve tightness testing assembly 8 is equal to the installation pretightening force of the normally-closed valve spring 801 of an actual normally-closed valve product, so that the testing working condition is close to the actual electromagnetic valve working condition, and the testing result is more real.
The part of the quick-screwing single-head straight joint 502 connected with the normally-open valve tightness detection tool 5 or the normally-closed valve tightness detection tool 6 is coated with anaerobic type pipe thread sealant 503, so that the internal structure of the tool is prevented from being leaked in the vacuumizing process.
As a specific embodiment of the utility model, this patent sealing performance check out test set theory of operation as follows:
in the first stage of testing, a reference chamber, a testing chamber and a normally open valve seal detection tool 5 or a normally closed valve seal detection tool 6 connected with the reference chamber and the testing chamber in the air tightness leak detector 2 work through the vacuum pump 1 for a certain time to reach an expected vacuum degree, and the vacuum degrees of the testing chamber and the reference chamber are the same.
And in the second stage of testing, the air tightness leak detector 2 cuts off the vacuum source interface of the vacuum pump 1 from the inner cavity of the equipment through an internal mechanism, and enters the third stage after waiting for corresponding time.
In the third stage of testing, because the internal testing chamber is connected with the normally-open valve sealing detection tool 5 or the normally-closed valve sealing detection tool 6, if the valve core part and the valve port part of the detection tool are leaked, the vacuum degrees of the reference chamber and the internal testing chamber are different, and the corresponding leakage amount is given through the internal analysis of the equipment.
The air-tight leak detector 2 is a commercially available device, and the internal structure thereof is the prior art, which is not described herein again.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (7)
1. The utility model provides a sealing performance check out test set of solenoid valve for automobile brake, includes gas tightness leak detector (2), its characterized in that, gas tightness leak detector (2) link to each other with vacuum pump (1) and air supply (4) through trachea (3), gas tightness leak detector (2) detect frock (5) or normally closed valve leakproofness through trachea (3) and normally open valve leakproofness and detect frock (6) and link to each other, normally open valve leakproofness detect frock (5) and normally closed valve leakproofness detect frock (6) and all include upper base (504) and lower base (507) that cup joint from top to bottom, upper base (504) and lower base (507) between install normally open valve test component (7) or normally closed valve test component (8).
2. The sealing performance detecting apparatus of an electromagnetic valve for an automobile brake according to claim 1, wherein: and pressing blocks (505) used for fixing the normally-open valve testing assembly (7) or the normally-closed valve testing assembly (8) are arranged between the upper base (504) and the lower base (507) of the normally-open valve sealing detection tool (5) and the normally-closed valve sealing detection tool (6).
3. The sealing performance detecting apparatus of an electromagnetic valve for an automobile brake according to claim 2, wherein: the normally-open valve testing assembly (7) comprises a normally-open valve moving iron (703) installed in a lower base (507) and a normally-open valve spool (702) penetrating through the middle of the normally-open valve moving iron (703), the normally-open valve spool (702) penetrates through a pressing block (505) to be abutted against a normally-open valve port (701) arranged at the upper end of the pressing block (505), and the normally-open valve port (701) is communicated with the air tightness leak detector (2) through an air channel in an upper base (504).
4. The sealing performance detecting apparatus of an electromagnetic valve for an automobile brake according to claim 2, wherein: the normally-closed valve testing assembly (8) comprises a normally-closed valve port (803) arranged in a lower base (507), the normally-closed valve port (803) is blocked by a normally-closed valve core (804) in the normally-closed valve core, the upper end of the normally-closed valve core (804) is connected with a normally-closed valve moving iron (802) penetrating through a pressing block (505), a normally-closed valve spring (801) abutting against the upper base (504) is installed at the upper end of the normally-closed valve moving iron (802), and the normally-closed valve port (803) is communicated with an air tightness leak detector (2) through an air passage in the lower base (507).
5. The sealing performance detecting apparatus of an electromagnetic valve for an automobile brake according to claim 1, wherein: the air tightness leak detector (2) and the normally open valve tightness detection tool (5) or the normally closed valve tightness detection tool (6) are connected through a fast screwing double-head through joint (501) arranged on an air pipe (3), and one end of the air pipe (3) is connected with the normally open valve tightness detection tool (5) or the normally closed valve tightness detection tool (6) through a fast screwing single-head through joint (502).
6. The sealing performance detecting apparatus of an electromagnetic valve for an automobile brake according to claim 5, wherein: and anaerobic type pipe thread sealant (503) is coated on the part where the quick-screwing single-head straight joint (502) is connected with the normally-open valve tightness detection tool (5) or the normally-closed valve tightness detection tool (6).
7. The sealing performance detecting apparatus of an electromagnetic valve for an automobile brake according to claim 2, wherein: and a sealing gasket (506) is arranged between the internal air passage of the normally-open valve sealing detection tool (5) and the normally-closed valve sealing detection tool (6) and the normally-open valve testing assembly (7) or the normally-closed valve testing assembly (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021285830.0U CN212458812U (en) | 2020-07-03 | 2020-07-03 | Sealing performance detection equipment of electromagnetic valve for automobile brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021285830.0U CN212458812U (en) | 2020-07-03 | 2020-07-03 | Sealing performance detection equipment of electromagnetic valve for automobile brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212458812U true CN212458812U (en) | 2021-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021285830.0U Active CN212458812U (en) | 2020-07-03 | 2020-07-03 | Sealing performance detection equipment of electromagnetic valve for automobile brake |
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| Country | Link |
|---|---|
| CN (1) | CN212458812U (en) |
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- 2020-07-03 CN CN202021285830.0U patent/CN212458812U/en active Active
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