CN220060725U - Proportional electromagnetic valve for hydraulic retarder - Google Patents
Proportional electromagnetic valve for hydraulic retarder Download PDFInfo
- Publication number
- CN220060725U CN220060725U CN202321350661.8U CN202321350661U CN220060725U CN 220060725 U CN220060725 U CN 220060725U CN 202321350661 U CN202321350661 U CN 202321350661U CN 220060725 U CN220060725 U CN 220060725U
- Authority
- CN
- China
- Prior art keywords
- hole
- valve
- cavity
- diaphragm
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims description 12
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 5
- 230000000694 effects Effects 0.000 abstract description 5
- 239000012528 membrane Substances 0.000 description 11
- 238000009423 ventilation Methods 0.000 description 4
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a proportional electromagnetic valve for a hydrodynamic retarder, which comprises a valve body, a valve cover and an electromagnetic valve control body, wherein the valve cover is fixed at the bottom of the valve body, the electromagnetic valve control body is fixed at the upper part of the valve body, a central vertical through hole is formed in the middle part of the valve body, an upper cavity is formed in the valve body at the upper end of the central vertical through hole, the lower end of the central vertical through hole is communicated with a lower cavity formed in the lower part of the valve body, the bottom of the lower cavity extends out of the bottom end of the valve body and is communicated with a bottom cover cavity at the upper part of the valve cover, a central air inlet connecting hole is formed on the outer side wall of the middle part of the valve body, the central air inlet connecting hole is communicated with the central vertical through hole, and a side through hole extending radially is formed on one side wall of the bottom cover cavity; the valve stem is inserted in the central vertical through hole. The diaphragm is adopted as the valve, the opening and the closing are realized through the deformation of the edge part of the diaphragm, the use effect is good, and the diaphragm is not welded with a fixed structure, so that the diaphragm is stable in use and is not easy to damage.
Description
Technical field:
the utility model relates to the technical field of automobile accessories, in particular to a proportional electromagnetic valve for a hydrodynamic retarder.
The background technology is as follows:
the valve core of the proportional electromagnetic valve is controlled by a proportional electromagnet, so that the output pressure or flow is in direct proportion to the input current. Therefore, the pressure and flow rate can be continuously controlled by changing the input electric signal.
However, the valve body flow control valve in the existing proportional solenoid valve is a welded bellows, a valve edge is arranged on the outer side wall of the bellows to block the flow of gas, the opening and closing are realized through the expansion and contraction of the bellows, the welding part of the bellows is easy to break, and the effect is not ideal.
The utility model comprises the following steps:
the utility model aims to overcome the defects of the prior art and provide a proportional electromagnetic valve for a hydrodynamic retarder, which adopts a diaphragm as a valve, realizes opening and closing through deformation of the edge part of the valve, has good use effect, does not need a welded fixed structure, and ensures that the valve is stable to use and is not easy to damage.
The scheme for solving the technical problems is as follows:
the proportional electromagnetic valve for the hydrodynamic retarder comprises a valve body, a valve cover and an electromagnetic valve control body, wherein the valve cover is fixed at the bottom of the valve body, the electromagnetic valve control body is fixed at the upper part of the valve body, a central vertical through hole is formed in the middle of the valve body, an upper cavity is formed in the valve body at the upper end of the central vertical through hole, the lower end of the central vertical through hole is communicated with a lower cavity formed in the lower part of the valve body, the bottom of the lower cavity extends out of the bottom end of the valve body and is communicated with a bottom cover cavity at the upper part of the valve cover, a central air inlet connecting hole is formed on the outer side wall of the middle part of the valve body, the central air inlet connecting hole is communicated with the central vertical through hole, and a side through hole extending radially is formed on one side wall of the bottom cover cavity;
the valve rod plug bush is in the vertical through-hole in center, the lower part plug bush of valve rod is in the cavity down and be fixed with the push down piece, buffer connection device is installed to the bottom of push down piece, the bottom middle part shaping of bottom cavity has the sleeve body portion that upwards extends, the diaphragm is in sleeve body portion's top surface top, the top of the middle part through-hole of middle part cover sleeve body portion, the top surface of the outside limit portion of diaphragm is pressed against the bottom surface of valve body, buffer connection device presses against the diaphragm, the nested first sealing washer that has in the ring channel that the top surface shaping of push down piece has, the top surface limit portion shaping of the lower cavity of the bottom department of the vertical through-hole in center has annular bulge, the top surface of first sealing washer is pressed against on the bottom surface of annular bulge.
The sleeve body is inserted with a buffer spring, the bottom end of the buffer spring is applied to the bottom surface of the bottom cover cavity, and the top end of the buffer spring is applied to the bottom surface of the middle part of the diaphragm.
The electromagnetic valve control body is arranged in an upper cavity of the valve body, the bottom end of a push rod of the electromagnetic valve control body is positioned in the upper cavity and is fixedly provided with an upper cavity valve, the bottom surface of the upper cavity valve is fixedly provided with an upper elastic sheet, the upper part of the valve rod is provided with a large-diameter rod body part in a forming mode, the upper part of the valve rod is inserted into the upper cavity, the valve rod membrane is clamped on the upper part of the valve rod and is positioned below the large-diameter rod body part, the bottom surface of a sheet body of the valve rod membrane is pressed against the bottom surface of the upper cavity, the middle bottom surface of the valve rod membrane is clamped on the upper inner side wall of the central vertical through hole, the membrane pressing seat is inserted into the large-diameter rod body part, the membrane pressing seat is positioned in the upper cavity, the bottom surface of the membrane pressing seat is pressed against the top surface of the valve rod membrane, the upper buffer spring is positioned in the upper cavity, the bottom end of the upper buffer spring is pressed against the top surface of the upper cavity valve, and the upper buffer spring is inserted into the large-diameter rod body part.
The lateral wall of the lower part of the valve cover is provided with a lateral mounting hole which extends in a direction, the safety valve is arranged in the lateral mounting hole, the inner end of the lateral mounting hole is provided with a through hole, the through hole is communicated with a lower groove formed on the bottom surface of one side of the cavity of the bottom cover, the pushing plate part of the safety valve is pressed against the inner end of the lateral mounting hole and covers the through hole, the lateral wall of the lateral mounting hole is provided with a lateral through hole, and the lateral through hole is communicated with a pressure relief hole formed on the outer side of the valve cover.
An upward extending through hole is formed in the side inner wall of the outer end of the pressure relief hole, the upward extending through hole is communicated with the bottom end of an oblique through hole formed in the side part of the bottom plate of the valve body, and the top of the oblique through hole is communicated with the upper cavity.
The buffer connection device comprises a buffer sleeve body, wherein the buffer sleeve body is inserted in an upper sleeve body part formed on the top surface of the middle part of the membrane, a radial extension edge is formed on the outer side wall of the top of the buffer sleeve body and is pressed against the top surface of the upper sleeve body part, a supporting disc is placed on the top surface of a bottom plate of the buffer sleeve body, a middle spring is inserted in the buffer sleeve body, the bottom end of the middle spring is applied to the top surface of the supporting disc, and the top end of the middle spring is applied to the bottom surface of the push-down block.
A plurality of ventilation through holes are formed in the bottom plate of the buffer sleeve body, a central through hole is formed in the middle of the valve rod, and a plurality of side ventilation through holes are formed in the side wall of the upper sleeve body.
The utility model has the outstanding effects that:
the diaphragm is adopted as the valve, the opening and the closing are realized through the deformation of the edge part of the diaphragm, the use effect is good, and the diaphragm is not welded with a fixed structure, so that the diaphragm is stable in use and is not easy to damage.
Description of the drawings:
FIG. 1 is a partial elevation view of the present utility model;
FIG. 2 is a partial rear view of the present utility model;
FIG. 3 is a partial cross-sectional view of A-A of the present utility model;
FIG. 4 is a partial cross-sectional view of B-B of the present utility model;
fig. 5 is a partial cross-sectional view of the valve cover.
The specific embodiment is as follows:
as shown in fig. 1 to 5, a proportional solenoid valve for a hydraulic retarder includes a valve body 10, a valve cover 20 and a solenoid valve control body 60 (which is basically the same as the structure of the existing solenoid valve control body parts and will not be described in detail), the valve cover 20 is fixed at the bottom of the valve body 10, the solenoid valve control body 60 is fixed at the upper part of the valve body 10, a central vertical through hole 11 is formed at the middle part of the valve body 10, an upper cavity 12 is formed in the valve body 10 at the upper end of the central vertical through hole 11, the lower end of the central vertical through hole 11 is communicated with a lower cavity 13 formed in the lower part of the valve body 10, the bottom of the lower cavity 13 extends out of the bottom end of the valve body 10 and is communicated with a bottom cover cavity 21 at the upper part of the valve cover 20, a central air inlet connecting hole 14 is formed at the outer side wall of the middle part of the valve body 10, the central air inlet connecting hole 14 is communicated with the central vertical through hole 11, and a side through hole 131 extending radially is formed at one side wall of the bottom cover cavity 21;
the valve rod 30 is inserted in the central vertical through hole 11, the lower part of the valve rod 30 is inserted in the lower cavity 13 and is fixedly provided with a lower push block 150, a buffer connection device 40 is arranged at the bottom of the lower push block 150, an upward extending sleeve body 22 is formed in the middle of the bottom surface of the bottom cover cavity 21, a diaphragm 50 is positioned above the top surface of the sleeve body 22, a gap is reserved between the diaphragm 50 and the upper surface, which covers the middle through hole of the sleeve body 22, of the diaphragm 50, the top surface of the outer side part of the diaphragm 50 is pressed against the bottom end surface of the valve body 10 and covers the bottom end of the lower cavity 13, the buffer connection device 40 is pressed against the diaphragm 50, a first sealing ring 1 is nested in an annular groove formed in the top surface of the lower cavity 13 at the bottom end of the central vertical through hole 11, an annular bulge 132 is formed at the top surface of the first sealing ring 1 is pressed against the bottom surface of the annular bulge 132.
Further, the sleeve body 22 is inserted with a buffer spring 8, the bottom end of the buffer spring 8 is applied to the bottom surface of the bottom cover cavity 21, and the top end of the buffer spring 8 is applied to the middle bottom surface of the diaphragm 50.
Further, the electromagnetic valve control body 60 is installed in the upper cavity of the valve body 10, the bottom end of the push rod of the electromagnetic valve control body 60 is located in the upper cavity 12 and is fixed with an upper cavity valve 61, the bottom surface of the upper cavity valve 61 is fixed with an upper elastic piece 62, the upper portion of the valve rod 30 is formed with a large diameter rod body 31, the large diameter rod body 31 is inserted into the upper cavity 12, the valve rod diaphragm 32 is clamped on the upper portion of the valve rod 30 and is located below the large diameter rod body 31, the bottom surface of the sheet body of the valve rod diaphragm 32 is pressed against the bottom surface of the upper cavity 12, the sleeve body formed on the bottom surface of the middle portion of the valve rod diaphragm 32 is clamped on the upper inner side wall of the central vertical through hole 11, the diaphragm pressing seat 15 is inserted into the large diameter rod body 31, the diaphragm pressing seat 15 is located in the upper cavity 12, the bottom surface of the diaphragm pressing seat 15 is pressed against the top surface of the valve rod diaphragm 32, the upper buffer spring 2 is located in the upper cavity 12, the bottom end of the upper buffer spring 2 is forced against the top surface of the diaphragm pressing seat 15, and the upper end of the upper buffer spring 2 is forced against the bottom surface of the upper cavity valve 61.
Further, a lateral mounting hole 23 extending in a direction is formed on the outer sidewall of the lower portion of the valve cover 20, the safety valve 70 is mounted in the lateral mounting hole 23, a through hole 231 is formed at the inner end of the lateral mounting hole 23, and the through hole 231 is communicated with a lower groove formed at the bottom surface of one side of the bottom cover cavity 21; the transverse mounting hole 23 communicates with the bottom end of the central through hole of the sleeve body 22.
The safety valve 70 comprises a sleeve body part which is in threaded connection with the inner side wall of the outer end of the transverse mounting hole 23, a piston rod body 72 is inserted in the sleeve body part, a sealing ring is nested on the outer side wall of the middle part of the piston rod body 72, the outer wall surface of the sealing ring is pressed against the inner side wall of the sleeve body part, the end part of the piston rod body 72 extends out of the sleeve body part and is provided with a pushing plate part 71, an elastic sealing piece 73 is fixed on the end surface of the pushing plate part 71, the elastic sealing piece 73 is pressed against the inner end of the transverse mounting hole 23 and covers the through hole 231, a transverse buffer spring 4 is arranged between the sleeve body part and the pushing plate part 71, one end of the transverse buffer spring 4 is applied to the inner end surface of the sleeve body part, the other end of the transverse buffer spring 4 is applied to the pushing plate part 71, the piston rod body 72 is partially inserted in the transverse buffer spring 4, a side through hole 230 is formed on the side wall of the transverse mounting hole 23, and the side through hole 230 is communicated with the pressure release hole 24 formed on the outer side of the valve cover 20.
Further, an upwardly extending through hole 241 is formed in the inner sidewall of the outer end of the pressure relief hole 24, the upwardly extending through hole 241 is communicated with the bottom end of the inclined through hole 19 formed in the bottom plate of the valve body 10, and the top of the inclined through hole 19 is communicated with the upper cavity 12.
Further, the buffer connection device 40 includes a buffer sleeve body 41, the buffer sleeve body 41 is inserted into an upper sleeve body 51 formed on the top surface of the middle part of the membrane 50, a radially extending edge 42 is formed on the outer side wall of the top of the buffer sleeve body 41, the radially extending edge 42 is pressed against the top surface of the upper sleeve body 51, a supporting disc is placed on the top surface of the bottom plate of the buffer sleeve body 41, the middle spring 3 is inserted into the buffer sleeve body 41, the bottom end of the middle spring 3 is applied to the top surface of the supporting disc, and the top end of the middle spring 3 is applied to the bottom surface of the push-down block 150.
The bottom plate of the buffer sleeve body 41 is formed with a plurality of ventilation holes, the middle part of the valve rod 30 is formed with a central through hole, and the side wall of the upper sleeve body 51 is formed with a plurality of side ventilation holes.
In this embodiment, the diaphragm 50 is used as a valve, and is convenient to install, and does not need to be welded and fixed, so that the diaphragm is stable in use and high in durability.
Working principle: in use, the solenoid valve control body 60 is not actuated, and when gas enters from the central inlet connection hole 14, it is located in the central vertical through hole 11, but the gas cannot flow due to the sealing action of the first seal ring 1 and the valve stem diaphragm 32.
When in an operating state, the push rod of the electromagnetic valve control body 60 pushes the upper cavity valve 61 to descend, the valve rod 30 is pushed downwards, the lower push block 150 is pushed downwards, the first sealing ring 1 is not sealed, meanwhile, the membrane 50 is pressed against the top surface of the sleeve body part 22 to realize sealing, at the moment, gas enters the lower cavity 13, the pressure is increased along with the continuous addition of the gas, the edge part of the membrane 50 is pressed downwards, the gas enters the bottom cover cavity 21, and then the gas is discharged from the side through hole 131;
when the pressure in the bottom cover cavity 21 is too high, part of the gas will enter the through hole 231, pushing the pushing plate portion 71 inward, so that part of the gas enters the lateral mounting hole 23 and flows out of the side through hole 230, and finally flows out of the pressure release hole 24.
When the electromagnetic valve control body 60 is closed and the push rod is retracted, under the elastic restoring action of the upper buffer spring 2 and the middle spring 3, the gap between the diaphragm 50 and the top end of the sleeve body 22 is restored, at this time, the gas in the bottom cover cavity 21 flows into the transverse mounting hole 23 from the middle through hole of the sleeve body 22 and flows out from the side through hole 230, finally flows out from the pressure release hole 24, while the gas in the lower cavity 13 above the diaphragm 50 flows into the upper cavity 12 through the center through hole of the valve rod 30, then flows into the pressure release hole 24 from the inclined through hole 19, and finally flows out.
Claims (5)
1. The utility model provides a proportional solenoid valve for hydraulic retarber, includes valve body (10), valve gap (20) and solenoid valve control body (60), and valve gap (20) are fixed in the bottom of valve body (10), and solenoid valve control body (60) are fixed on the upper portion of valve body (10), its characterized in that: a central vertical through hole (11) is formed in the middle of the valve body (10), an upper cavity (12) is formed in the valve body (10) at the upper end of the central vertical through hole (11), the lower end of the central vertical through hole (11) is communicated with a lower cavity (13) formed in the lower part of the valve body (10), the bottom of the lower cavity (13) extends out of the bottom end of the valve body (10) and is communicated with a bottom cover cavity (21) at the upper part of the valve cover (20), a central air inlet connecting hole (14) is formed in the outer side wall of the middle of the valve body (10), the central air inlet connecting hole (14) is communicated with the central vertical through hole (11), and a side through hole (131) extending radially is formed in one side wall of the bottom cover cavity (21);
the valve rod (30) is inserted in the central vertical through hole (11), the lower part plug bush of valve rod (30) is in cavity (13) and is fixed with push down piece (150), buffer connecting device (40) are installed to the bottom of push down piece (150), sleeve body portion (22) that upwards extends are formed in the middle part of the bottom of bottom cavity (21), diaphragm (50) are in the top surface top of sleeve body portion (22), the top of middle part through hole of sleeve body portion (22) is covered at its middle part, the top surface of the outside limit portion of diaphragm (50) is pressed against the bottom face of valve body (10), buffer connecting device (40) are pressed against diaphragm (50), first sealing washer (1) has been nested in the ring channel that the top surface shaping of push down piece (150) has, the bottom department of push down piece (150) cover central vertical through hole (11).
2. A proportional solenoid valve for a hydrodynamic retarder according to claim 1, wherein: the sleeve body (22) is inserted with a buffer spring (8), the bottom end of the buffer spring (8) is applied to the bottom surface of the bottom cover cavity (21), and the top end of the buffer spring (8) is applied to the middle bottom surface of the diaphragm (50).
3. A proportional solenoid valve for a hydrodynamic retarder according to claim 1, wherein: the electromagnetic valve control body (60) is installed in the upper cavity of the valve body (10), the bottom end of the push rod of the electromagnetic valve control body (60) is located in the upper cavity (12) and is fixedly provided with an upper cavity valve (61), the bottom surface of the upper cavity valve (61) is fixedly provided with an upper elastic sheet (62), the upper portion of the valve rod (30) is provided with a large-diameter rod body portion (31) in a molded mode, the bottom surface of a sheet body of the valve rod diaphragm (32) is pressed against the bottom surface of the upper cavity (12), the sleeve body portion formed on the bottom surface of the middle of the valve rod diaphragm (32) is clamped on the inner side wall of the upper portion of the central vertical through hole (11), the diaphragm pressing seat (15) is sleeved on the large-diameter rod body portion (31), the diaphragm pressing seat (15) is located in the upper cavity (12), the bottom surface of the diaphragm pressing seat (15) is pressed against the top surface of the valve rod diaphragm (32), the upper buffer spring (2) is located in the upper cavity (12), and the bottom end of the upper buffer spring (2) is pressed against the top surface of the diaphragm pressing seat (15).
4. A proportional solenoid valve for a hydrodynamic retarder according to claim 1, wherein: the outer side wall of the lower part of the valve cover (20) is provided with a transverse installation hole (23) which extends in a forming way, the safety valve (70) is installed in the transverse installation hole (23), the inner end of the transverse installation hole (23) is provided with a through hole (231) in a forming way, the through hole (231) is communicated with a lower groove formed on the bottom surface of one side of the bottom cover cavity (21), the pushing plate part (71) of the safety valve (70) is pressed against the inner end of the transverse installation hole (23) and covers the through hole (231), the side wall of the transverse installation hole (23) is provided with a side through hole, and the side through hole is communicated with a pressure relief hole (24) formed on the outer side of the valve cover (20).
5. A proportional solenoid valve for a hydrodynamic retarder according to claim 4, wherein: an upward extending through hole (241) is formed in the side inner side wall of the outer end of the pressure relief hole (24), the upward extending through hole (241) is communicated with the bottom end of an oblique through hole (19) formed in the side part of the bottom plate of the valve body (10), and the top of the oblique through hole (19) is communicated with the upper cavity (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321350661.8U CN220060725U (en) | 2023-05-31 | 2023-05-31 | Proportional electromagnetic valve for hydraulic retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321350661.8U CN220060725U (en) | 2023-05-31 | 2023-05-31 | Proportional electromagnetic valve for hydraulic retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220060725U true CN220060725U (en) | 2023-11-21 |
Family
ID=88761296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321350661.8U Active CN220060725U (en) | 2023-05-31 | 2023-05-31 | Proportional electromagnetic valve for hydraulic retarder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220060725U (en) |
-
2023
- 2023-05-31 CN CN202321350661.8U patent/CN220060725U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201344281Y (en) | Pilot-operated dished diaphragm solenoid valve | |
| CN220060725U (en) | Proportional electromagnetic valve for hydraulic retarder | |
| CN112922720A (en) | Short cavity executor | |
| CN211648879U (en) | Normally open valve in automobile braking system | |
| CN104176028A (en) | Brake master cylinder | |
| CN202280844U (en) | Pneumatic injection-drain valve | |
| CN214787681U (en) | Short cavity actuator | |
| CN216407751U (en) | Multi-stage noise reduction cage type regulating valve | |
| CN216112421U (en) | Large-traffic high-frequency electromagnetic valve | |
| CN214660575U (en) | Oil inlet and outlet control mechanism for high-pressure common rail system | |
| CN210318269U (en) | Novel brake pump | |
| CN216078816U (en) | Injection moulding's water hammer absorber | |
| CN212928952U (en) | Two-stage pulse valve | |
| CN201357192Y (en) | Built-in check valve device of expanding type stamping die | |
| CN202827549U (en) | Brake master pump capable of automatically switching light load and heavy load | |
| CN209762397U (en) | Pressure control valve | |
| CN203067855U (en) | Inductive sanitary appliance flush valve | |
| CN213541126U (en) | Optimized clutch power assisting device | |
| CN201090391Y (en) | Automobile hydraulic pressure anti-lock braking system plunger pump | |
| CN219712341U (en) | Suspension solenoid valve | |
| CN219975503U (en) | Electrical proportion high-pressure back pressure valve | |
| CN216447490U (en) | Pressure reducing valve comprising vacuum breaker | |
| CN208651473U (en) | A kind of new automobile clutch hydraulic damper | |
| CN220060724U (en) | Electric control lifting bridge electromagnetic valve | |
| CN220910321U (en) | Compression valve seat with side holes of shock absorber, shock absorber and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |