CN210661572U - Can reduce solenoid valve body subassembly of processing degree of difficulty - Google Patents
Can reduce solenoid valve body subassembly of processing degree of difficulty Download PDFInfo
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- CN210661572U CN210661572U CN201921457341.6U CN201921457341U CN210661572U CN 210661572 U CN210661572 U CN 210661572U CN 201921457341 U CN201921457341 U CN 201921457341U CN 210661572 U CN210661572 U CN 210661572U
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Abstract
The utility model discloses a can reduce solenoid valve body subassembly of the processing degree of difficulty, it relates to the solenoid valve field. The electromagnetic pressure regulating valve aims to solve the problems that the existing electromagnetic pressure regulating valve usually depends on a variable-diameter valve core to form hydraulic pressure difference, the requirement on the coaxiality of the valve core and a matched valve body is very high, and the processing difficulty is large. The technical scheme is that the valve comprises a valve body and a bushing penetrating the middle of the valve body, wherein the valve body is communicated with the side wall of the bushing and is provided with two oil inlets, and the end part of the valve body forms a control oil return port; the inner side wall of the valve body is at least provided with an oil guide groove, one end of the oil guide groove is closed, and the other end of the oil guide groove is communicated with the control oil return port; and a feedback hole communicated with the oil guide groove is formed in the inner side wall of the bushing, and the feedback hole is positioned between the two oil inlets. The utility model discloses set up hydraulic pressure feedback channel on the valve body, and then can cancel variable diameter case design to can reduce the processing degree of difficulty and the processing cost of case and valve body.
Description
Technical Field
The utility model relates to a solenoid valve field, more specifically says, it relates to a can reduce solenoid valve body subassembly of the processing degree of difficulty.
Background
The existing electromagnetic pressure regulating valve usually forms hydraulic pressure difference by a variable diameter valve core, and hydraulic pressure generated by the hydraulic pressure difference is balanced with electromagnetic force and spring force, so that control pressure is regulated.
However, the above method has very high requirement on the coaxiality of the valve core and the matched valve body, and the processing difficulty is high. Meanwhile, the common electromagnetic valve body, the magnetic conducting gasket and the filter screen are all single parts, and a valve body assembly can be formed only by respectively assembling, so that more assembling procedures are required, and the processing difficulty is increased.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, one of the purposes of the utility model is to provide a can reduce the solenoid valve body subassembly of the processing degree of difficulty, it has the advantage that can reduce the processing degree of difficulty to reduce the processing cost.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a solenoid valve body assembly capable of reducing machining difficulty comprises a valve body, wherein two oil inlets are formed in the side wall of the valve body, an oil return control port is formed in the end portion of the valve body, at least one feedback hole located between the two oil inlets is formed in the inner side wall of the valve body, and an oil guide groove is formed in the valve body; one end of the oil guide groove is communicated with the feedback hole, and the other end of the oil guide groove is communicated with the control oil return port.
Another object of the utility model is to provide a can reduce the solenoid valve body subassembly of the processing degree of difficulty, it has the advantage that can reduce the processing degree of difficulty to reduce the processing cost.
A solenoid valve body assembly capable of reducing machining difficulty comprises a valve body and a bushing penetrating the middle of the valve body, wherein the valve body is communicated with the side wall of the bushing to form two oil inlets, and the end part of the valve body forms a control oil return port; the inner side wall of the valve body is at least provided with an oil guide groove, one end of the oil guide groove is closed, and the other end of the oil guide groove is communicated with the control oil return port; and a feedback hole communicated with the oil guide groove is formed in the inner side wall of the bushing, and the feedback hole is positioned between the two oil inlets.
Further, the valve body inside wall has been seted up a plurality ofly when leading the oil groove, it is a plurality of lead the oil groove and set up along circumference equipartition.
Further, the valve body is a plastic part, the lining is a metal part, and the valve body and the lining are integrally formed.
Furthermore, a limiting ring groove is formed in the outer side wall of the bushing, and a limiting ring embedded in the limiting ring groove is arranged on the inner side wall of the valve body.
Furthermore, the end part of the valve body, which forms the control oil return opening, is embedded with a filtering device, the filtering device comprises a filter screen and a filter screen support, the filter screen support is a plastic piece, the filter screen is a metal piece, and the filtering device and the valve body are integrally formed.
Furthermore, a magnetic conductive gasket is arranged at the end part, far away from the oil return control port, of the valve body, and the magnetic conductive gasket is a metal piece and is integrally formed with the valve body.
Furthermore, the end part of the valve body is provided with a plurality of stepped limiting columns, and stepped holes matched with the limiting columns are formed in the magnetic conductive gasket.
To sum up, the utility model discloses following beneficial effect has:
1. by adopting the feedback hole and the oil guide groove, the design of the variable-diameter valve core can be cancelled, so that the processing difficulty and the processing cost of the valve core and the valve body can be reduced;
2. the bush and the valve body are adopted, so that the processing difficulty and the processing cost of the valve body assembly can be further reduced;
3. the integrated design of the valve body, the magnetic conductive gasket, the filtering device and the bushing is adopted, the whole injection molding is carried out, the assembly process of a plurality of parts of the hydraulic part is omitted, the assembly cost, the assembly error and the processing difficulty are reduced, and the control precision of the electromagnetic valve can be improved.
Drawings
FIG. 1 is a cross-sectional view of a solenoid valve body assembly capable of reducing processing difficulty in embodiment 1;
FIG. 2 is a sectional view of a valve body assembly of a solenoid valve according to embodiment 2, which can reduce the difficulty of machining;
fig. 3 is a schematic structural view of a valve body in embodiment 2;
fig. 4 is an exploded view of the valve body, the bushing, the magnetic conductive gasket, and the filter device according to embodiment 3.
In the figure: 1. a valve body; 11. an oil guide groove; 12. a small spring; 13. a magnetic conductive gasket; 131. a stepped hole; 14. a limiting column; 15. a limiting ring; 2. a bushing; 21. a feedback hole; 22. a limiting ring groove; 3. a valve core; 31. a closing part; 4. a filtration device; 41. a screen support; 42. and (5) filtering by using a filter screen.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Example 1:
a solenoid valve body assembly capable of reducing machining difficulty refers to FIG. 1 and comprises a valve body 1, wherein two oil inlets are formed in the side wall of the valve body 1, and a control oil return opening is formed in the end part of the valve body; the inner side wall of the valve body 1 is at least provided with a feedback hole 21 positioned between the two oil inlets, and an oil guide groove 11 is arranged in the feedback hole; one end of the oil guide groove 11 is communicated with the feedback hole 21, and the other end is communicated with the control oil return port.
Referring to fig. 1, in the present embodiment, a through hole is formed in the middle of a valve body 1, two oil inlets are both communicated with the through hole, and the two oil inlets are arranged along the axial direction of the through hole, i.e., a T port and a P port in the drawing, and an opening of the valve body 1 close to the P port is a control oil return port, i.e., an a port in the drawing; in the embodiment, when the valve body 1 is assembled into the electromagnetic valve, the valve core 3 is arranged in the through hole in a penetrating way, and the valve core 3 is provided with two closing parts 31 which are respectively opposite to the T port and the P port; meanwhile, the end part of the valve body 1, namely the opening A, is fixedly embedded with a filtering device 4, and a small spring 12 is arranged between the valve core 3 and the filtering device 4.
Referring to fig. 1, in the present embodiment, the feedback hole 21 is located between the T port and the P port, that is, the P port is located between the feedback hole 21 and the a port; lead oil groove 11 and keep away from the one end of feedback hole 21 and extend to valve body 1 tip, be the opening setting to can communicate with A mouth.
The working principle is as follows:
in this embodiment, the hydraulic feedback channel is arranged on the valve body 1, namely, the oil groove 11 is led, oil at the oil supply end enters the valve body 1 through the P port, the oil groove 11 enters the A port through the inflow of the feedback hole 21, the hydraulic pressure at the A port acts on the bottom of the valve core 3 to form a liquid pressure difference, the valve core 3 is pushed to move, the coaxiality requirement of the valve core 3 and the valve body 1 can be reduced, and the processing difficulty is reduced.
Example 2:
a solenoid valve body assembly capable of reducing machining difficulty is disclosed, and referring to FIG. 2, the solenoid valve body assembly comprises a valve body 1 and a bushing 2 penetrating through the middle of the valve body 1, wherein two oil inlets are formed in the side walls of the valve body 1 and the bushing 2 in a communicating mode, and a control oil return opening is formed in the end portion of the valve body; at least one oil guide groove 11 is formed in the inner side wall of the valve body 1, one end of the oil guide groove 11 is closed, and the other end of the oil guide groove 11 is communicated with the control oil return port; the inner side wall of the bushing 2 is provided with a feedback hole 21 communicated with the oil guide groove 11, and the feedback hole 21 is positioned between the two oil inlets.
Referring to fig. 2, two oil inlets are both communicated with the bush 2, and the two oil inlets are arranged along the axial direction of the bush 2, namely a T port and a P port in the drawing, and an opening of the bush 2 close to the P port is a control oil return port, namely an a port in the drawing; in the embodiment, when the valve body 1 is assembled into the electromagnetic valve, the valve core 3 penetrates through the lining 2, and the valve core 3 is provided with two closing parts 31 which are respectively opposite to the T port and the P port; meanwhile, the end part of the valve body 1, namely the opening A, is fixedly embedded with a filtering device 4, and a small spring 12 is arranged between the valve core 3 and the filtering device 4.
Referring to fig. 2, in the present embodiment, the feedback hole 21 is located between the T port and the P port, that is, the P port is located between the feedback hole 21 and the a port; lead oil groove 11 and keep away from the one end of feedback hole 21 and extend to valve body 1 tip, be the opening setting to can communicate with A mouth.
Referring to fig. 3, three oil grooves 11 of leading have been seted up to 1 inside wall of valve body in this embodiment, and three oil grooves 11 of leading are the equipartition setting along circumference.
The working principle is as follows:
Example 3:
a solenoid valve body assembly capable of reducing processing difficulty refers to fig. 2 and 4 and comprises a valve body 1 and a lining 2 penetrating the middle of the valve body 1, wherein the valve body 1 is a plastic part, the lining 2 is a metal part, and the two are integrally formed by injection molding; three spacing annular 22 has been seted up along its axial to 2 lateral walls of bush, and 1 inside wall of valve body is provided with the spacing ring 15 that inlays in spacing annular 22, and spacing ring 15 can restrict bush 2 and valve body 1 along axial relative movement with the cooperation of spacing annular 22, improves the steadiness that both connect.
Referring to fig. 2 and 4, the end of the valve body 1, i.e. the opening a, is fixedly embedded with the filtering device 4, in this embodiment, the filtering device 4 includes a filtering net 42 and a filtering net support 41, the filtering net support 41 is a plastic part, the filtering net 42 is a metal part, and the filtering device 4 and the valve body 1 are integrally formed by injection molding.
Referring to fig. 4, a magnetic conductive gasket 13 is arranged at the end part of the valve body 1 far away from the filter device 4, and the magnetic conductive gasket 13 is a metal piece and is integrally injection-molded with the valve body 1; the end of the valve body 1 is provided with a plurality of stepped limiting columns 14, and the magnetic conductive gasket 13 is internally provided with stepped holes 131 matched with the limiting columns 14.
The working principle is as follows:
valve body subassembly includes valve body 1 in this embodiment, bush 2, filter screen 42, filter screen support 41 and magnetic conduction gasket 13, wherein bush 2, filter screen 42 and magnetic conduction gasket 13 are the metalwork, valve body 1, filter screen support 41 is the working of plastics, magnetic conduction gasket 13 is the stamping workpiece, direct punching press forms shoulder hole 131, then valve body 1, bush 2, filter screen 42, filter screen support 41 and the integrative injection moulding of magnetic conduction gasket 13, form the valve body subassembly, save the assembly process of the partial multiple part of hydraulic pressure, assembly cost is reduced, assembly error and processing difficulty, and improve solenoid valve control accuracy.
Claims (8)
1. The utility model provides a can reduce solenoid valve body subassembly of processing degree of difficulty, includes valve body (1), two oil inlets have been seted up to valve body (1) lateral wall, and its tip forms control oil return opening, its characterized in that: the inner side wall of the valve body (1) is at least provided with a feedback hole (21) positioned between the two oil inlets, and an oil guide groove (11) is arranged in the feedback hole; one end of the oil guide groove (11) is communicated with the feedback hole (21), and the other end of the oil guide groove is communicated with the control oil return port.
2. The utility model provides a can reduce solenoid valve body subassembly of processing degree of difficulty which characterized in that: the oil return valve comprises a valve body (1) and a bushing (2) penetrating through the middle of the valve body (1), wherein two oil inlets are formed in the valve body (1) and the side wall of the bushing (2) in a communicating mode, and a control oil return opening is formed in the end portion of the valve body; at least one oil guide groove (11) is formed in the inner side wall of the valve body (1), one end of the oil guide groove (11) is closed, and the other end of the oil guide groove is communicated with the control oil return port; and a feedback hole (21) communicated with the oil guide groove (11) is formed in the inner side wall of the bushing (2), and the feedback hole (21) is positioned between the two oil inlets.
3. The electromagnetic valve body assembly capable of reducing the processing difficulty according to claim 2, characterized in that: a plurality of have been seted up to valve body (1) inside wall when leading oil groove (11), it is a plurality of lead oil groove (11) and set up along circumference equipartition.
4. The electromagnetic valve body assembly capable of reducing the processing difficulty according to claim 2 or 3, characterized in that: the valve body (1) is a plastic part, the lining (2) is a metal part, and the two parts are integrally formed.
5. The electromagnetic valve body assembly capable of reducing the machining difficulty according to claim 4, characterized in that: spacing annular (22) have been seted up to bush (2) lateral wall, valve body (1) inside wall be provided with inlay in spacing retaining ring (15) in annular (22).
6. The electromagnetic valve body assembly capable of reducing the machining difficulty according to claim 4, characterized in that: the valve body (1) is provided with the end part of the control oil return opening, the end part of the control oil return opening is embedded with the filtering device (4), the filtering device (4) comprises a filtering net (42) and a filtering net support (41), the filtering net support (41) is a plastic piece, the filtering net (42) is a metal piece, and the filtering device (4) and the valve body (1) are integrally formed.
7. The electromagnetic valve body assembly capable of reducing the machining difficulty according to claim 4, characterized in that: the end part, far away from the oil return control opening, of the valve body (1) is provided with a magnetic conduction gasket (13), and the magnetic conduction gasket (13) is a metal piece and is integrally formed with the valve body (1).
8. The electromagnetic valve body assembly capable of reducing the processing difficulty according to claim 7, characterized in that: the end part of the valve body (1) is provided with a plurality of stepped limiting columns (14), and stepped holes (131) matched with the limiting columns (14) are formed in the magnetic conductive gasket (13).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921457341.6U CN210661572U (en) | 2019-09-03 | 2019-09-03 | Can reduce solenoid valve body subassembly of processing degree of difficulty |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921457341.6U CN210661572U (en) | 2019-09-03 | 2019-09-03 | Can reduce solenoid valve body subassembly of processing degree of difficulty |
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| CN210661572U true CN210661572U (en) | 2020-06-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594471A (en) * | 2019-09-03 | 2019-12-20 | 海力达汽车科技有限公司 | Can reduce solenoid valve body subassembly of processing degree of difficulty |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594471A (en) * | 2019-09-03 | 2019-12-20 | 海力达汽车科技有限公司 | Can reduce solenoid valve body subassembly of processing degree of difficulty |
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