CN107084274B - Solenoid valve body with smooth oil passing - Google Patents
Solenoid valve body with smooth oil passing Download PDFInfo
- Publication number
- CN107084274B CN107084274B CN201710432122.1A CN201710432122A CN107084274B CN 107084274 B CN107084274 B CN 107084274B CN 201710432122 A CN201710432122 A CN 201710432122A CN 107084274 B CN107084274 B CN 107084274B
- Authority
- CN
- China
- Prior art keywords
- oil
- protection layer
- truncated cone
- end part
- cone shape
- 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.)
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Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 48
- 239000010720 hydraulic oil Substances 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a solenoid valve body with smooth oil passing, which comprises: the oil-through device comprises an outer shell, a valve core body, a magnetic rod, an iron core, a coil, a reset spiral spring, an outer oil inlet hole, an inner oil inlet hole, an outer oil outlet hole, an outer oil drain hole and an inner oil drain hole, wherein the reset spiral spring comprises a first large-diameter end close to the magnetic rod, a second large-diameter end close to the outer oil outlet hole and a small-diameter section positioned between the first large-diameter end and the second large-diameter end; the magnetic pole comprises a magnetic pole body and a right end part in a truncated cone shape, wherein an impact protection layer is covered on the inclined surface of the right end part in the truncated cone shape, a plurality of grooves are distributed on the inclined surface of the right end part in the truncated cone shape, the impact protection layer comprises a protection film body and a plurality of protruding points located on the inner surface of the protection film body, and the protruding points are arranged in the grooves. Through the mode, the hydraulic oil feeding device is simple and reasonable in structure, oil is smooth when hydraulic oil passes through the clearance of the return spring, and in addition, the magnetic rod and the valve core body are not damaged by collision, so that noise is low.
Description
Technical Field
The invention relates to the technical field of electromagnetic valves, in particular to an electromagnetic valve body with smooth oil passing.
Background
The electromagnetic valve is a core element of an automatic transmission hydraulic actuating mechanism of an energy-saving and new energy automobile, is also a main element in an automobile active suspension and engine energy-saving control system, and is also a functional device in electrohydraulic control systems of engineering machinery, high-grade numerical control machine tools and the like. The electromagnetic valve can realize automatic gear shifting of the automobile through the hydraulic actuating mechanism, so that the operation intensity of a driver is greatly reduced, and the driving safety and riding comfort are improved.
Chinese patent application 201210211101.4 discloses a solenoid valve which can reduce the precision requirement on the liquid pressure at the oil inlet of the solenoid valve, and the applicant researches the solenoid valve to find the following disadvantages: 1. the valve body (which is equivalent to a common valve core rod in action) is different from a common valve core rod structure in use, when the return spring is extruded rightwards, the hydraulic oil is communicated with the first inlet hole and the second inlet hole, then enters an inner cavity (inner cavity of the valve body) of the return spring through a gap between spring wires on the return spring, and then flows out of the first outlet hole, and the applicant finds that after the return spring is extruded, the gap between adjacent spring wires is reduced, and the gap between the spring wires corresponding to the second inlet holes is only 1-2, namely, the gap for the hydraulic oil to flow to the inner cavity of the valve body is too small, so that the oil is not smooth; 2. the collision between the magnetic rod and the valve body is easy to cause collision damage, and larger noise can be generated.
Disclosure of Invention
The invention mainly solves the technical problem of providing the solenoid valve body with smooth oil passing, which has simple and reasonable structure, and smooth oil passing when hydraulic oil passes through the clearance of the return spring, and in addition, the magnetic rod and the valve core body have no collision damage and have low noise.
In order to solve the technical problems, the invention adopts a technical scheme that: provided is a solenoid valve body with smooth oil passing, comprising: the magnetic valve comprises an outer shell, a valve core body, a magnetic rod, an iron core, a coil, a reset spiral spring, an outer oil inlet, an inner oil inlet, an outer oil outlet, an inner oil outlet, an outer oil outlet and an inner oil outlet, wherein the reset spiral spring comprises a first large-diameter end close to the magnetic rod, a second large-diameter end close to the outer oil outlet and a small-diameter section positioned between the first large-diameter end and the second large-diameter end;
the magnetic pole comprises a magnetic pole body and a right end part in a truncated cone shape, the shape of the inner oil leakage hole is matched with that of the right end part in the truncated cone shape, an impact protection layer used for reducing impact damage is covered on the inclined surface of the right end part in the truncated cone shape, a plurality of grooves used for installing the impact protection layer are uniformly distributed on the inclined surface of the right end part in the truncated cone shape, the impact protection layer comprises a protection film body and a plurality of protruding points located on the inner surface of the protection film body, and the protruding points are arranged in the grooves and are matched with the grooves in size.
In a preferred embodiment of the present invention, the impact protection layer is made of oil-resistant rubber.
In a preferred embodiment of the present invention, the impact protection layer is made of neoprene.
In a preferred embodiment of the present invention, the bump and the groove are bonded by an adhesive.
In a preferred embodiment of the present invention, the protective film body is bonded to the inclined surface by an adhesive.
In a preferred embodiment of the present invention, the thickness of the protective film body is 2-3 mm.
The beneficial effects of the invention are as follows: the electromagnetic valve body with smooth oil passing is simple and reasonable in structure, oil passing is smooth when hydraulic oil passes through the clearance of the return spring, and in addition, the magnetic rod and the valve core body are not damaged by collision, so that noise is low.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic view of a preferred embodiment of a solenoid valve body with smooth oil passage according to the present invention;
fig. 2 is an enlarged schematic view of the right end portion of the truncated cone shape in fig. 1.
The components in the drawings are marked as follows: 1. the oil-filled valve comprises an outer shell, 2, a valve core body, 3, a magnetic rod, 4, an iron core, 5, a coil, 6, an outer oil inlet, 7, an inner oil inlet, 8, an outer oil hole, 9, an inner oil outlet, 10, an inner oil drain, 11, a first large-diameter end, 12, a second large-diameter end, 13, a small-diameter section, 14, an oil passing space, 15, a right end part in a conical frustum shape, 16, a groove, 17, a protective film body, 18 and a bump.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2, an embodiment of the present invention includes:
a solenoid valve body with smooth oil passage, comprising: the magnetic valve comprises an outer shell 1, a valve core body 2, a magnetic rod 3, an iron core 4, a coil 5, a reset spiral spring, an outer oil inlet hole 6, an inner oil inlet hole 7, an outer oil outlet hole 8, an inner oil outlet hole 9, an outer oil outlet hole and an inner oil outlet hole 10, wherein the reset spiral spring comprises a first large-diameter end 11 close to the magnetic rod, a second large-diameter end 12 close to the outer oil outlet hole and a small-diameter section 13 positioned in the middle of the first large-diameter end and the second large-diameter end, an inner boss is arranged at the right end of the inner wall of the outer shell body, the first large-diameter end is arranged against the inner wall of the left end of the valve core body, the second large-diameter end is arranged against the inner wall of the inner boss, and an oil passing space 14 is formed between the small-diameter section and the inner oil inlet hole.
When reset coil spring atress extrudees to the right, until outer inlet and interior inlet intercommunication, hydraulic oil passes through outer inlet and interior inlet, reentrant oily space, and oily space is greater than interior inlet, and the gap release between a plurality of spring wires is simultaneously to the hydraulic oil of being convenient for, and then enters into the case body inner chamber, and is more smooth and easy.
The magnetic rod comprises a magnetic rod body and a right conical end part 15, the shape of the inner oil leakage hole is matched with that of the right conical end part, an impact protection layer for reducing impact damage is covered on the inclined surface of the right conical end part, and the impact protection layer can effectively avoid impact damage between the magnetic rod and the valve core body and reduce noise generated by the impact.
Specifically, a plurality of recesses 16 for installing the impact protection layer are evenly distributed on the inclined plane of the right end part of the cone frustum shape, the impact protection layer comprises a protection film body 17 and a plurality of protruding points 18 positioned on the inner surface of the protection film body, the protruding points are arranged in the recesses, the size of the protruding points is matched with the recesses, and the impact protection layer is firmly installed and is not easy to fall off.
The impact protection layer is made of oil-resistant rubber, and preferably, the impact protection layer is made of neoprene.
Preferably, the convex points and the grooves are bonded through an adhesive, so that the connection is stable.
Preferably, the protection film body is bonded with the inclined surface through an adhesive, and the connection is stable.
Preferably, the thickness of the protective film body is 2-3 mm.
The beneficial effects of the invention are as follows: the electromagnetic valve body with smooth oil passing is simple and reasonable in structure, oil passing is smooth when hydraulic oil passes through the clearance of the return spring, and in addition, the magnetic rod and the valve core body are not damaged by collision, so that noise is low.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (4)
1. A solenoid valve body with smooth oil passage, comprising: the magnetic valve comprises an outer shell, a valve core body, a magnetic rod, an iron core, a coil, a reset spiral spring, an outer oil inlet, an inner oil inlet, an outer oil outlet, an inner oil outlet, an outer oil outlet and an inner oil outlet, wherein the reset spiral spring comprises a first large-diameter end close to the magnetic rod, a second large-diameter end close to the outer oil outlet and a small-diameter section positioned between the first large-diameter end and the second large-diameter end;
the magnetic pole comprises a magnetic pole body and a right end part in a truncated cone shape, the shape of the inner oil leakage hole is matched with that of the right end part in the truncated cone shape, an impact protection layer used for reducing impact damage is covered on the inclined surface of the right end part in the truncated cone shape, a plurality of grooves used for installing the impact protection layer are uniformly distributed on the inclined surface of the right end part in the truncated cone shape, the impact protection layer comprises a protection film body and a plurality of protruding points located on the inner surface of the protection film body, the protruding points are arranged in the grooves and matched with the grooves in size, the protruding points are bonded with the grooves through adhesives, and the protection film body is bonded with the inclined surface through the adhesives.
2. The clear solenoid valve body of claim 1 wherein said impact protection layer is made of oil resistant rubber.
3. The clear oil solenoid valve body of claim 1 wherein the impact protection layer is made of neoprene.
4. The solenoid valve body with smooth oil passage according to claim 1, wherein the thickness of the protective film body is 2-3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710432122.1A CN107084274B (en) | 2017-06-09 | 2017-06-09 | Solenoid valve body with smooth oil passing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710432122.1A CN107084274B (en) | 2017-06-09 | 2017-06-09 | Solenoid valve body with smooth oil passing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107084274A CN107084274A (en) | 2017-08-22 |
| CN107084274B true CN107084274B (en) | 2024-03-12 |
Family
ID=59609179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710432122.1A Active CN107084274B (en) | 2017-06-09 | 2017-06-09 | Solenoid valve body with smooth oil passing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107084274B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0312071U (en) * | 1989-06-14 | 1991-02-07 | ||
| CN1642754A (en) * | 2002-03-29 | 2005-07-20 | 株式会社樱花彩色笔 | Application tool and tip for application tool |
| CN102720879A (en) * | 2012-06-25 | 2012-10-10 | 长城汽车股份有限公司 | Electromagnetic valve, and hydraulic control system of automatic transmission |
| CN103629407A (en) * | 2012-08-22 | 2014-03-12 | 爱三工业株式会社 | Flow control valve |
| JP2014190470A (en) * | 2013-03-27 | 2014-10-06 | Keihin Corp | Solenoid valve |
| CN105909815A (en) * | 2016-06-28 | 2016-08-31 | 江阴安达化工设备有限公司 | Gapless anti-corrosion valve of fluoroplastic lined steel cavity ladder post |
| CN207034333U (en) * | 2017-06-09 | 2018-02-23 | 江苏金润汽车传动科技有限公司 | Cross oily unobstructed electromagnetic valve body |
-
2017
- 2017-06-09 CN CN201710432122.1A patent/CN107084274B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0312071U (en) * | 1989-06-14 | 1991-02-07 | ||
| CN1642754A (en) * | 2002-03-29 | 2005-07-20 | 株式会社樱花彩色笔 | Application tool and tip for application tool |
| CN102720879A (en) * | 2012-06-25 | 2012-10-10 | 长城汽车股份有限公司 | Electromagnetic valve, and hydraulic control system of automatic transmission |
| CN103629407A (en) * | 2012-08-22 | 2014-03-12 | 爱三工业株式会社 | Flow control valve |
| JP2014190470A (en) * | 2013-03-27 | 2014-10-06 | Keihin Corp | Solenoid valve |
| CN105909815A (en) * | 2016-06-28 | 2016-08-31 | 江阴安达化工设备有限公司 | Gapless anti-corrosion valve of fluoroplastic lined steel cavity ladder post |
| CN207034333U (en) * | 2017-06-09 | 2018-02-23 | 江苏金润汽车传动科技有限公司 | Cross oily unobstructed electromagnetic valve body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107084274A (en) | 2017-08-22 |
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