CN113623350A - Built-in adjustable electromagnetic valve - Google Patents
Built-in adjustable electromagnetic valve Download PDFInfo
- Publication number
- CN113623350A CN113623350A CN202110923799.1A CN202110923799A CN113623350A CN 113623350 A CN113623350 A CN 113623350A CN 202110923799 A CN202110923799 A CN 202110923799A CN 113623350 A CN113623350 A CN 113623350A
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- valve
- oil
- port
- valve core
- valve seat
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- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000002457 bidirectional effect Effects 0.000 abstract description 5
- 238000013016 damping Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a built-in adjustable electromagnetic valve which comprises a valve body, wherein a first oil port and a second oil port are arranged on the valve body, a valve seat and a valve core are movably arranged in the valve body, an electromagnet assembly matched with the valve core is arranged on the valve body, a through hole communicated with the second oil port is formed in the valve seat, the valve seat and the valve core and the valve body are in sealing contact, a liquid medium enters the first oil port, pushes the valve core to move and separate from the valve seat, so that the liquid medium flows out of the second oil port through the through hole, the second oil port enters the liquid medium, and the liquid medium synchronously pushes the valve seat and the valve core to move, so that the valve seat and the valve body are separated, and the liquid medium flows out of the first oil port. Through the mode, the built-in adjustable electromagnetic valve optimizes the opening modes of the valve core and the valve seat according to the direction of oil inlet, improves the damping effect and realizes bidirectional flow proportion adjustment.
Description
Technical Field
The invention relates to the field of electromagnetic valves, in particular to an adjustable electromagnetic valve for a shock absorption damper.
Background
In order to improve the safety and the comfort of the automobile, an adjustable electromagnetic valve must be installed in the shock absorber, and the existing adjustable proportional valve technology of the automobile shock absorber is monopolized abroad. The existing proportional solenoid valve lacks the function of bidirectional proportional adjustment.
Disclosure of Invention
The invention mainly solves the technical problem of providing a built-in adjustable electromagnetic valve, optimizing the opening modes of a valve core and a valve seat according to the oil inlet direction and improving the damping effect.
In order to solve the technical problems, the invention adopts a technical scheme that: providing a built-in adjustable electromagnetic valve, wherein a first oil port and a second oil port are arranged on the built-in adjustable electromagnetic valve, a valve seat, a valve core, a thimble and a valve core sleeve assembly are movably arranged in the valve body, an electromagnet assembly matched with the valve core sleeve assembly is arranged on the valve body, a through hole communicated with the second oil port is formed in the valve seat, the valve seat and the valve core and the valve seat and a fastening ring are in sealing contact, an oil medium enters the first oil port, and the valve core is pushed by the liquid medium to move and separate from the valve seat to form a second valve port, so that the liquid medium flows out of the second oil port through the second valve port; and the second oil port enters a liquid medium, and the liquid medium synchronously pushes the valve seat and the valve core to move, so that the valve seat is separated from the fastening ring to form a first valve port, and the liquid medium flows out of the first oil port through the first valve port.
In a preferred embodiment of the invention, the valve core is provided with a third oil through hole, a second oil cavity is formed between the valve core and the valve body, and the third oil through hole is used for communicating the second oil cavity with the first oil cavity.
In a preferred embodiment of the invention, the upper end of the valve seat is internally provided with a first pressure bearing face, the valve core is internally provided with a second pressure bearing face, the bottom of the valve core is provided with a third pressure bearing face, and the oil port II enters the oil medium, the sum of the first pressure bearing face and the second pressure bearing face is larger than the area of the third pressure bearing face, so that the oil medium pushes the valve seat and the valve core to simultaneously move axially and downwards, the valve seat is separated from the fastening ring after moving to form a first valve port, and the oil medium flows out of the first oil port through the first valve port.
In a preferred embodiment of the invention, the upper part of the valve core is provided with a pressure bearing surface five, a pressure bearing surface six is arranged in the oil cavity II, the oil port I enters the oil medium, the oil medium enters the oil cavity II through the oil through hole III, the area of the pressure bearing surface five is larger than that of the pressure bearing surface six, so that the liquid medium pushes the valve core to move, the valve core separates from the valve seat after moving to form a valve port II, and the oil medium flows out of the oil port II through the valve port II.
In a preferred embodiment of the invention, the side of the valve seat is provided with a pressure bearing face four, and the oil medium entering from the oil port one presses the valve seat on the fastening ring through the pressure bearing face four.
In a preferred embodiment of the invention, the valve body is provided with a first oil through hole, the side surface of the valve core is provided with a second oil through hole, a third oil cavity is formed between the lower end of the valve core and the valve body, and the third oil cavity is communicated with the second oil through hole and the first oil through hole.
In a preferred embodiment of the invention, a mandril on the electromagnet assembly extends into an opening of the oil cavity IV and is communicated with the oil cavity II through an oil through hole IV.
In a preferred embodiment of the present invention, the upper end of the valve core is sleeved on the valve seat, and a conical surface sealing structure is formed between the inner wall of the upper end of the valve core and the outer side of the valve seat.
In a preferred embodiment of the invention, a retaining ring is mounted in the valve body, and the upper end part of the valve seat and the retaining ring form an end face sealing structure.
In a preferred embodiment of the invention, a fixing sleeve is arranged between the valve core and the valve body, and the valve core moves up and down along the fixing sleeve.
The invention has the beneficial effects that: the adjustable electromagnetic valve is arranged in the bidirectional proportional adjustable oil valve, the opening modes of the valve seat and the valve core and the opening modes of the valve seat and the fastening ring are optimized according to the direction of oil inlet, and bidirectional proportional adjustment is realized.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural diagram of a preferred embodiment of a built-in adjustable solenoid valve according to the present invention;
FIG. 2 is a schematic view of a portion of the structure of FIG. 1;
FIG. 3 is a schematic view of a portion of the structure of FIG. 2;
FIG. 4 is a schematic view of a portion of the structure of FIG. 2;
FIG. 5 is a schematic view of a portion of the structure of FIG. 2;
FIG. 6 is a schematic structural diagram of another preferred embodiment of a built-in adjustable solenoid valve according to the present invention;
the parts in the drawings are numbered as follows: 1. the valve comprises a valve body, 2, a valve seat, 3, a valve core, 4, a thimble, 5, a fastening ring, 6, a fixing sleeve and 7, a valve core sleeve assembly, 8, an electromagnet assembly, 9, a piston assembly, 11, a first oil port, 12, a second oil port, 21, a first oil cavity, 22, a first oil through hole, 23, a second oil through hole, 24, a third oil cavity, 25, a third oil through hole, 26, a second oil cavity, 27, a fourth oil cavity, 28, a fourth oil through hole, 31, a first pressure bearing face, 32, a second pressure bearing face, 33, a third pressure bearing face, 34, a fourth pressure bearing face, 35, a fifth pressure bearing face, 36, a sixth pressure bearing face, 37, a seventh pressure bearing face, 38, an eighth pressure bearing face, 39, a ninth pressure bearing face, 40, a first valve port, 41, a second valve port, 42, a third valve port, 43 and the moving direction of the thimble.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
the second oil port 12 on the piston assembly enters an oil liquid medium, the oil liquid medium forms axial downward pressure F5 on the first pressure bearing face 31 of the valve seat 2, the oil liquid forms axial downward pressure F6 on the second pressure bearing face 32 on the valve core 3, meanwhile, the oil liquid in the first oil cavity 21 enters the third oil cavity 24 through the first oil through hole 22 and the second oil through hole 23, and an axial upward thrust F7 is formed on the third pressure bearing face 33; axial downward pressure F8 is formed on a pressure bearing face nine 39 on the valve core sleeve assembly 7, and because the area sum of the pressure bearing face one 31 of the valve seat 2 and the pressure bearing face two 32 on the valve core 3 is larger than the area sum of the pressure bearing face two 32 on the valve core 3, axial downward pressure F6 is formed on the pressure bearing face one 31 of the valve seat 2 and the pressure bearing face two 32 on the valve core 3 and is larger than axial thrust F7 on the pressure bearing face three 33 of the valve core 3, therefore, the valve seat 2 can move axially downwards along with the valve core 3, the valve seat 2 is separated from the fastening ring 5 to form a valve port one 40, and as shown in the attached drawing 3, oil flows out from the oil port one 11 through the valve port one 40; meanwhile, after the power is turned on, the electromagnetic force generated by the electromagnet assembly drags the valve core sleeve assembly 7 to move downwards (in the illustrated thimble moving direction 43) along the axial direction, so that the thimble 4 moves downwards under the action of the pressure F8, the thimble 4 and the valve core 3 are sealed and fail, the thimble 4 is separated from the valve core 3, and a valve port III 43 is formed, as shown in fig. 5, the larger the current of the electromagnet assembly is, the larger the electromagnetic force is, the higher the downward moving speed of the valve core sleeve assembly 7 and the thimble 4 is, the downward moving speed of the valve core 3 and the valve seat 2 is accelerated, the larger the opening of the valve port I40 is, and the more oil passes through the valve port I40 from the oil port I11.
In addition, the valve core 3 is provided with a third oil through hole 25, a second oil cavity 26 is formed between the valve core 3 and the fixed sleeve 6, and the third oil through hole 25 is used for communicating the second oil cavity 26 with the first oil cavity 11.
In addition, the upper part of the valve core 3 is provided with a fifth pressure bearing surface 35, a sixth pressure bearing surface 36 is arranged in the second oil chamber 26, the first oil port 11 enters an oil liquid medium, the oil liquid medium enters the second oil chamber 26 through the third oil through hole 25, the oil liquid medium enters the fourth oil chamber 27 through the fourth oil through hole 28, the area of the fifth pressure bearing surface 35 is larger than the area of the sixth pressure bearing surface 36 and the area of the seventh pressure bearing surface 37, so that the oil liquid medium pushes the valve core 3 to move, the valve core 3 is separated from the valve seat 2 after moving to form a second valve port 41, and the oil liquid medium flows out of the second oil port 12 through the second valve port 41.
In addition, the side of the valve seat 2 is provided with a pressure bearing face four 34, and the liquid medium entering from the oil port one 11 presses the valve seat 2 on the fastening ring 5 through the pressure bearing face four 34.
In addition, the first pressure bearing face 31 is arranged inside the upper end of the valve seat 2, the second pressure bearing face 32 is arranged inside the upper end of the valve core 3, the third pressure bearing face 33 is arranged at the bottom of the valve core 3, the area of the first pressure bearing face 31 on the valve seat 2 and the area of the second pressure bearing face 32 on the valve core 3 are larger than the area of the third pressure bearing face 33 at the bottom of the valve core 3, so that the oil medium pushes the valve seat 2 and the valve core 3 to move downwards, the valve seat 2 is separated from the clamping ring 5 after moving, a first valve port 40 is formed, and the oil medium flows into the first oil port 11 from the first valve port 40.
In addition, the valve body 1 is provided with a first oil through hole 22, an oil chamber III 24 is formed between the lower end of the valve core 3 and the valve body 1, and the oil chamber III 24 is communicated with the first oil through hole 22 and the second oil through hole 12 through a second oil through hole 23.
In addition, the top rod 4 on the electromagnet assembly 8 extends into the opening of the oil chamber four 27 and is connected with the oil chamber four 27 in a sealing mode.
In addition, the upper end of the valve core 3 is sleeved on the valve seat 2, and a conical surface sealing structure is formed between the inner wall of the upper end of the valve core 3 and the outer side of the valve seat 2;
in addition, a clamping ring 5 is installed in the valve body 1, and the upper end part of the valve seat 2 and the clamping ring 5 form an end face sealing structure.
In addition, a fixing sleeve 6 is arranged between the valve core 3 and the valve body 1, and the valve core 3 moves up and down along the fixing sleeve 6.
The built-in adjustable electromagnetic valve has the following specific working principle:
the first oil port 11 is used for feeding oil, after the oil enters the valve body 1, radial thrust is generated on the fourth pressure bearing surface 34 on the valve seat 2, the valve seat 2 is pressed on the fastening ring 5, axial downward pressure is generated on the fifth pressure bearing surface 35 on the valve core 3, the oil enters the second oil cavity 26 through the third oil through hole 25, the oil enters the fourth oil cavity 27 through the fourth oil through hole 28, the sixth pressure bearing surface 36 and the seventh pressure bearing surface 37 on the valve core generate axial upward thrust, as the area of the fifth pressure bearing surface 35 is larger than the sum of the areas of the sixth pressure bearing surface 36 and the seventh pressure bearing surface 37, the oil starts to push the valve core 3 to move downwards, at the moment, the valve core 3 moves downwards to separate the valve seat 2 from the valve core 3, a second valve port 41 is formed between the valve seat 2 and the valve core 3, the oil enters the first oil cavity 21 of the valve seat 2 through the second valve port 41 and then flows out from the second valve 12, and in the downward movement process of the valve core 3, the jacking rod 4 can move downwards and separate from the oil cavity 27 through controlling the electromagnetic valve assembly 8, the downward movement speed of the valve core 3 is accelerated, so that the flow of the oil flowing from the first oil port 11 to the second oil port 12 is increased.
The second oil port 12 is filled with oil, a part of oil flows through the valve seat 2 to the valve core 3 through the first oil chamber 21, axial downward pressure is generated on the first pressure bearing face 31 on the valve seat 2, axial downward pressure is generated on the second pressure bearing face 32 on the valve core 3, meanwhile, the oil enters the third oil chamber 24 through the first oil through hole 22 and the second oil through hole 23, axial upward thrust is generated on the third pressure bearing face 33 of the valve seat, axial downward pressure is generated on the pressure bearing face 39 of the valve core sleeve assembly 7, the sum of the first pressure bearing face 31 and the second pressure bearing face 32 is larger than the third pressure bearing face 33, so that the valve seat 2 and the valve core 3 simultaneously move downwards, the valve seat 2 is separated from the fastening ring 5 to form a first valve port 40, the oil flows out of the first oil port 11 through the first valve port 40, and in the downward movement process of the valve seat 2 and the valve core 3, the mandril 4 can move downwards and be separated from the fourth oil chamber through controlling the electromagnetic valve assembly 7, the downward movement speed of the valve seat 2 and the valve core 3 is accelerated, so that the flow of the oil flowing from the oil port two 12 to the oil port one 11 is increased.
In embodiment 2, the upper end of the valve core seat and the fastening ring form a conical surface sealing structure, and the rest is the same as embodiment 1.
Different from the prior art, the adjustable electromagnetic valve is internally provided, the opening modes of the valve core and the valve seat and the opening modes of the valve seat and the fastening ring are optimized according to the oil inlet direction, and bidirectional proportion adjustment is realized.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A built-in adjustable electromagnetic valve is provided with a first oil port and a second oil port, a movable part in a valve body of the built-in adjustable electromagnetic valve is provided with a valve seat, a valve core, a thimble and a valve core sleeve assembly, the valve body is provided with an electromagnet assembly matched with the valve core sleeve assembly, and a through hole communicated with the second oil port is formed in the valve seat.
2. The built-in adjustable electromagnetic valve according to claim 1, wherein the valve core is provided with a third oil through hole, a second oil cavity is formed between the valve core and the fixed sleeve, and the third oil through hole communicates the second oil cavity with the first oil hole.
3. The built-in adjustable electromagnetic valve according to claim 2, wherein the upper portion of the valve core has a fifth pressure-bearing surface, the second oil chamber has a sixth pressure-bearing surface, the first oil port is filled with an oil medium, the oil medium is filled into the second oil chamber through the third oil passage hole, the area of the fifth pressure-bearing surface is larger than that of the sixth pressure-bearing surface so that the oil medium pushes the valve core to move, the valve core is separated from the valve seat after moving to form a second valve port, and the liquid medium flows into the second oil port from the second valve port.
4. The solenoid valve as claimed in claim 3, wherein the valve seat has four bearing surfaces on its side, and the oil medium from the oil port presses the valve seat against the clamping ring through the four bearing surfaces.
5. The built-in adjustable electromagnetic valve according to claim 1, wherein the valve seat has a first pressure-bearing surface inside the upper end, the valve core has a second pressure-bearing surface, the bottom of the valve core has a third pressure-bearing surface, the oil port enters the oil medium, and the sum of the areas of the first pressure-bearing surface and the second pressure-bearing surface is larger than the area of the third pressure-bearing surface, so that the liquid medium pushes the valve seat to move axially downward, the valve seat moves axially downward and then separates from the retaining ring to form a first valve port, and the oil medium flows into the first oil port from the first valve port.
6. The built-in adjustable electromagnetic valve according to claim 5, characterized in that the valve body is provided with a first oil through hole, a third oil cavity is formed between the lower end of the valve core and the valve body, and the third oil cavity is communicated with the second oil through hole II and the first oil through hole.
7. The internally adjustable solenoid valve of claim 5, wherein the plunger of the electromagnet assembly extends into the opening of the oil chamber four and is in sealed connection with the oil chamber four.
8. The built-in adjustable electromagnetic valve according to any one of claims 1 to 7, wherein the upper end of the valve core is sleeved on the valve seat, a conical surface sealing structure is formed between the inner wall of the upper end of the valve core and the outer side of the valve seat, and the upper end part of the valve seat and the fastening ring form an end surface sealing structure.
9. The internally adjustable solenoid valve of claim 8, wherein a retaining ring is mounted in the valve body, and an upper end portion of the valve seat and an end surface of the retaining ring form an end surface sealing structure.
10. The internally mounted adjustable solenoid valve of claim 9, wherein a retaining sleeve is disposed between said spool and said valve body, said spool moving up and down along said retaining sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110923799.1A CN113623350B (en) | 2021-08-12 | 2021-08-12 | Built-in adjustable electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110923799.1A CN113623350B (en) | 2021-08-12 | 2021-08-12 | Built-in adjustable electromagnetic valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113623350A true CN113623350A (en) | 2021-11-09 |
| CN113623350B CN113623350B (en) | 2024-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110923799.1A Active CN113623350B (en) | 2021-08-12 | 2021-08-12 | Built-in adjustable electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113623350B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5709368A (en) * | 1996-08-26 | 1998-01-20 | Caterpillar Inc. | Hydraulic control valve for fluid metering and cylinder protection |
| CN202971370U (en) * | 2012-11-30 | 2013-06-05 | 广东科达机电股份有限公司 | Balanced active control type cartridge valve |
| CN106195370A (en) * | 2016-08-13 | 2016-12-07 | 李军 | Cartridge balanced valve |
| CN107725820A (en) * | 2017-10-18 | 2018-02-23 | 宁波文泽机电技术开发有限公司 | No leakage Solenoid ball valve |
| CN108266414A (en) * | 2018-01-15 | 2018-07-10 | 邵立坤 | A kind of plug-in overload oil compensating valve |
| CN108571487A (en) * | 2018-07-06 | 2018-09-25 | 佛山信卓派思机械科技有限公司 | A kind of electromagnetic type hydraulic control two-way shut-off valve |
| CN108692037A (en) * | 2018-07-06 | 2018-10-23 | 佛山信卓派思机械科技有限公司 | A kind of pilot-operated type fluid-controlled cut-off valve |
| CN111594566A (en) * | 2020-05-19 | 2020-08-28 | 常州普宸电子有限公司 | Damping valve |
| CN215950227U (en) * | 2021-08-12 | 2022-03-04 | 常州普宸电子有限公司 | Built-in adjustable electromagnetic valve |
-
2021
- 2021-08-12 CN CN202110923799.1A patent/CN113623350B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5709368A (en) * | 1996-08-26 | 1998-01-20 | Caterpillar Inc. | Hydraulic control valve for fluid metering and cylinder protection |
| CN202971370U (en) * | 2012-11-30 | 2013-06-05 | 广东科达机电股份有限公司 | Balanced active control type cartridge valve |
| CN106195370A (en) * | 2016-08-13 | 2016-12-07 | 李军 | Cartridge balanced valve |
| CN107725820A (en) * | 2017-10-18 | 2018-02-23 | 宁波文泽机电技术开发有限公司 | No leakage Solenoid ball valve |
| CN108266414A (en) * | 2018-01-15 | 2018-07-10 | 邵立坤 | A kind of plug-in overload oil compensating valve |
| CN108571487A (en) * | 2018-07-06 | 2018-09-25 | 佛山信卓派思机械科技有限公司 | A kind of electromagnetic type hydraulic control two-way shut-off valve |
| CN108692037A (en) * | 2018-07-06 | 2018-10-23 | 佛山信卓派思机械科技有限公司 | A kind of pilot-operated type fluid-controlled cut-off valve |
| CN111594566A (en) * | 2020-05-19 | 2020-08-28 | 常州普宸电子有限公司 | Damping valve |
| CN215950227U (en) * | 2021-08-12 | 2022-03-04 | 常州普宸电子有限公司 | Built-in adjustable electromagnetic valve |
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| Publication number | Publication date |
|---|---|
| CN113623350B (en) | 2024-06-21 |
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