CN203463755U - Automobile brake normally closed pressure reducing electromagnetic valve - Google Patents
Automobile brake normally closed pressure reducing electromagnetic valve Download PDFInfo
- Publication number
- CN203463755U CN203463755U CN201320440341.1U CN201320440341U CN203463755U CN 203463755 U CN203463755 U CN 203463755U CN 201320440341 U CN201320440341 U CN 201320440341U CN 203463755 U CN203463755 U CN 203463755U
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- Prior art keywords
- valve
- armature
- valve seat
- normally closed
- automobile brake
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- Expired - Fee Related
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Abstract
The utility model discloses an automobile brake normally closed pressure reducing electromagnetic valve which aims at solving the problem that the existing normally closed electromagnetic valve is poor in sealing performance, and a spring installation hole in a valve body is inconvenient to machine. The valve comprises a valve seat and a valve body connected onto the valve seat. A valve cavity is arranged in the valve body, an armature is arranged in the valve cavity, a resetting spring is arranged between the armature in the valve cavity and the valve body, a liquid outlet channel is arranged in the valve seat, a throttling hole communicated with the liquid outlet channel is formed in the upper end of the valve seat, the upper end of the valve seat is of a circular truncated cone structure with a small top and a large bottom, the inner wall of the throttling hole close to the upper end of the valve seat is inclined and of a funnel-shaped structure, a hemispherical valve head is arranged at the lower end of the armature, the valve head abuts against the upper end opening position of the throttling hole, a spring installation hole is formed in the upper end of the armature, and the resetting spring is arranged in the spring installation hole. The automobile brake normally closed pressure reducing electromagnetic valve is good in sealing performance, the spring installation hole is formed in the armature, and the valve is convenient to machine.
Description
Technical field
The utility model relates to a kind of solenoid valve, and more particularly, it relates to a kind of normally closed vacuum solenoid valve of automobile brake of good seal performance.
Background technique
In anti-locking system for car, need to use vacuum solenoid valve, under anti-locking system for car effect, be used for reducing the brake pressure of wheel cylinder.The electromagnetic valve structure using now generally adopts metal armature and plastic seat plane sealing, and wayward valve port leakage problem, be that many step holes magnetic pole coordinates between armature and valve body aborning, and in valve body processed springs mounting hole, processing is inconvenient.
Chinese patent notification number CN201235816Y, a kind of new A BS normally closed solenoid valve is disclosed, the moving iron that comprises valve body, valve opening and be arranged on valve opening top, valve body outside is arranged with ring filter screen, moving iron and valve body outside are arranged with magnetic flux tube, between magnetic flux tube and moving iron, adopt Spielpassung, the internal diameter of magnetic flux tube thin-walled portion is slightly larger than the outer diameter of moving iron, between the cavity at magnetic flux tube top and moving iron, is provided with Returnning spring.The solenoid valve of this structure adopts metal armature and plastic seat plane sealing, and wayward valve port leakage problem, be that many step holes magnetic pole coordinates between armature and valve body aborning, and in valve body processed springs mounting hole, processing is inconvenient.
Model utility content
The utility model has overcome existing normally closed solenoid valve poor sealing performance, and valve body inner spring mounting hole is processed inconvenient deficiency, provides a kind of automobile brake normally closed vacuum solenoid valve, its good seal performance, and spring mounting hole is arranged on armature, easy to process.
In order to solve the problems of the technologies described above, the utility model is by the following technical solutions: the normally closed vacuum solenoid valve of a kind of automobile brake, comprise valve seat, be connected to the valve body on valve seat, in valve body, be provided with valve pocket, in valve pocket, be provided with armature, in valve pocket, between armature and valve body, be provided with Returnning spring, in valve seat, be provided with liquid outlet channel, valve seat upper end is provided with the throttle orifice being communicated with liquid outlet channel, valve seat upper end is up-small and down-big round table-like structure, throttle orifice is obliquely installed and is funnel-shaped structure near the inwall of valve seat upper end, armature lower end is provided with hemispheric valve head, valve head is connected to the upper end open position of throttle orifice, armature upper end is provided with spring mounting hole, Returnning spring is arranged in spring mounting hole.
Hemispheric valve head on armature is connected to the opening end of funnelform throttle orifice, and fitting area is large, good seal performance.Spring mounting hole is arranged on the upper end of armature, easy to process.Under conventional state, valve head is closely connected to throttle orifice position under the effect of Returnning spring, throttle orifice sealing, solenoid closure, filler opening and not conducting of oil outlet.Under working state, coil electricity, armature is by electromagnetic attracting force Compress Spring, thus valve head is separated with throttle orifice, and throttle orifice is opened, and solenoid valve is opened, and filler opening and oil outlet are communicated with, and realize pressure-reducing function.The normally closed vacuum solenoid valve good seal performance of automobile brake, spring mounting hole is arranged on armature, easy to process.
As preferably, armature upper-end surface is provided with positive stop lug boss, and the valve pocket inwall of valve body is provided with the restraining groove with positive stop lug boss adaptation, and positive stop lug boss edge and armature edge form one-level step-like structure and valve pocket adaptation.When solenoid valve is opened, armature moves up, and spacing preiection moves in restraining groove, steadily reliable in the process that armature moves.
As preferably, on armature outer wall, be laid with vertically some oil grooves, on armature, be radially provided with the oil channel hole being communicated with spring mounting hole.The fluid that oil groove and oil channel hole are convenient in spring mounting hole flows.
As preferably, armature lower end is one-level Step Shaft shape structure, and the angle position of Step Shaft shape structure armature lower end is chamfering transition.This structure arranges the flowing space to fluid is provided, and fluid is flowed more smooth and easy.
As preferably, valve body is riveted on valve seat, in valve body near and the link position of valve seat be provided with a circle filter screen, filter screen set is connected on valve seat.Filter screen filters fluid, prevents that foreign material from stopping up solenoid valve.
As preferably, liquid outlet channel upper end is cone-shaped structure, and throttle orifice is arranged on the apical position of liquid outlet channel cone-shaped structure.This structure setting facilitates fluid to flow to liquid outlet channel from throttle orifice.
As preferably, the T-shaped structure of valve seat, is socketed with lip-type packing on the outer wall of valve seat path part, on valve seat and valve body link position be one-level Step Shaft shape structure, the angle position of Step Shaft shape structure is arc transition.Valve seat is arc transition at the angle position of Step Shaft shape structure and is conducive to flowing of fluid.
Compared with prior art, the beneficial effects of the utility model are: the normally closed vacuum solenoid valve good seal performance of automobile brake, spring mounting hole is arranged on armature, easy to process.
Accompanying drawing explanation
Fig. 1 is a kind of sectional view of the present utility model;
In figure: 1, valve seat, 2, valve body, 3, valve pocket, 4, armature, 5, Returnning spring, 6, liquid outlet channel, 7, throttle orifice, 8, valve head, 9, spring mounting hole, 10, positive stop lug boss, 11, restraining groove, 12, oil groove, 13, oil channel hole, 14, filter screen, 15, lip-type packing.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is further described specifically:
Embodiment: the normally closed vacuum solenoid valve of a kind of automobile brake (referring to accompanying drawing 1), comprise valve seat 1, be connected to the valve body 2 on valve seat, valve body and valve seat are riveted together, the T-shaped structure of valve seat, on the outer wall of valve seat path part, be socketed with lip-type packing 15, on valve seat, be up-small and down-big one-level Step Shaft shape structure with valve body link position, the angle position of Step Shaft shape structure is arc transition.In valve body, be provided with valve pocket 3, be provided with armature 4 in valve pocket, in valve pocket, between armature and valve body, be provided with Returnning spring 5, armature upper end is provided with spring mounting hole 9, and spring mounting hole is blind cavernous structure, and Returnning spring is arranged in spring mounting hole.Armature upper-end surface is provided with positive stop lug boss 10, and the valve pocket inwall of valve body is provided with the restraining groove 11 with positive stop lug boss adaptation, and positive stop lug boss edge and armature edge form one-level step-like structure and valve pocket is adaptive.On armature outer wall, be laid with vertically two oil grooves 12, on armature outer wall, be radially provided with the oil channel hole 13 being communicated with spring mounting hole.Armature lower end is one-level Step Shaft shape structure, and the angle position of Step Shaft shape structure armature lower end is chamfering transition.In valve seat, be provided with liquid outlet channel 6, valve seat upper end is provided with the throttle orifice 7 being communicated with liquid outlet channel.Valve seat upper end is up-small and down-big round table-like structure, and throttle orifice is obliquely installed and is funnel-shaped structure near the inwall of valve seat upper end, and armature lower end is provided with hemispheric valve head 8, and valve head is connected to the upper end open position of throttle orifice.Liquid outlet channel upper end is cone-shaped structure, and throttle orifice is arranged on the apical position of liquid outlet channel cone-shaped structure.In valve body, near being provided with a circle filter screen 14 with the link position of valve seat, filter screen set is connected on valve seat.
Hemispheric valve head on armature is connected to the opening end of funnelform throttle orifice, and fitting area is large, good seal performance.Spring mounting hole is arranged on the upper end of armature, easy to process.Under conventional state, valve head is closely connected to throttle orifice position under the effect of Returnning spring, throttle orifice sealing, solenoid closure, filler opening and not conducting of oil outlet.Under working state, coil electricity, armature is by electromagnetic attracting force Compress Spring, thus valve head is separated with throttle orifice, and throttle orifice is opened, and solenoid valve is opened, and filler opening and oil outlet are communicated with, and realize pressure-reducing function.The normally closed vacuum solenoid valve good seal performance of automobile brake, spring mounting hole is arranged on armature, easy to process.
Above-described embodiment is a kind of preferably scheme of the present utility model, not the utility model is done to any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technological scheme that claim records.
Claims (7)
1. the normally closed vacuum solenoid valve of automobile brake, comprise valve seat (1), be connected to the valve body (2) on valve seat, in valve body, be provided with valve pocket (3), in valve pocket, be provided with armature (4), in valve pocket, between armature and valve body, be provided with Returnning spring (5), in valve seat, be provided with liquid outlet channel (6), valve seat upper end is provided with the throttle orifice (7) being communicated with liquid outlet channel, it is characterized in that, valve seat upper end is up-small and down-big round table-like structure, throttle orifice is obliquely installed and is funnel-shaped structure near the inwall of valve seat upper end, armature lower end is provided with hemispheric valve head (8), valve head is connected to the upper end open position of throttle orifice, armature upper end is provided with spring mounting hole (9), Returnning spring is arranged in spring mounting hole.
2. the normally closed vacuum solenoid valve of automobile brake according to claim 1, it is characterized in that, armature upper-end surface is provided with positive stop lug boss (10), the valve pocket inwall of valve body is provided with the restraining groove (11) with positive stop lug boss adaptation, and positive stop lug boss edge and armature edge form one-level step-like structure and valve pocket is adaptive.
3. the normally closed vacuum solenoid valve of automobile brake according to claim 1, is characterized in that, is laid with vertically some oil grooves (12) on armature outer wall, is radially provided with the oil channel hole (13) being communicated with spring mounting hole on armature.
4. according to the normally closed vacuum solenoid valve of automobile brake described in claim 1 or 2 or 3, it is characterized in that, armature lower end is one-level Step Shaft shape structure, and the angle position of Step Shaft shape structure armature lower end is chamfering transition.
5. according to the normally closed vacuum solenoid valve of automobile brake described in claim 1 or 2 or 3, it is characterized in that, valve body is riveted on valve seat, and in valve body, near being provided with a circle filter screen (14) with the link position of valve seat, filter screen set is connected on valve seat.
6. according to the normally closed vacuum solenoid valve of automobile brake described in claim 1 or 2 or 3, it is characterized in that, liquid outlet channel upper end is cone-shaped structure, and throttle orifice is arranged on the apical position of liquid outlet channel cone-shaped structure.
7. according to the normally closed vacuum solenoid valve of automobile brake described in claim 1 or 2 or 3, it is characterized in that, the T-shaped structure of valve seat, on the outer wall of valve seat path part, be socketed with lip-type packing (15), on valve seat, be one-level Step Shaft shape structure with valve body link position, the angle position of Step Shaft shape structure is arc transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320440341.1U CN203463755U (en) | 2013-07-22 | 2013-07-22 | Automobile brake normally closed pressure reducing electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320440341.1U CN203463755U (en) | 2013-07-22 | 2013-07-22 | Automobile brake normally closed pressure reducing electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203463755U true CN203463755U (en) | 2014-03-05 |
Family
ID=50176122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320440341.1U Expired - Fee Related CN203463755U (en) | 2013-07-22 | 2013-07-22 | Automobile brake normally closed pressure reducing electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203463755U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565970A (en) * | 2021-07-20 | 2021-10-29 | 中汽创智科技有限公司 | Electromagnetic valve |
-
2013
- 2013-07-22 CN CN201320440341.1U patent/CN203463755U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565970A (en) * | 2021-07-20 | 2021-10-29 | 中汽创智科技有限公司 | Electromagnetic valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20190722 |