CN204328149U - A kind of brake system of car bidirectional electromagnetic valve - Google Patents
A kind of brake system of car bidirectional electromagnetic valve Download PDFInfo
- Publication number
- CN204328149U CN204328149U CN201420747605.2U CN201420747605U CN204328149U CN 204328149 U CN204328149 U CN 204328149U CN 201420747605 U CN201420747605 U CN 201420747605U CN 204328149 U CN204328149 U CN 204328149U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve seat
- piston
- valve body
- iron
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model relates to a kind of brake system of car bidirectional electromagnetic valve, belongs to automobile industry.Determine iron and plunger tube laser bonding, plunger tube be mounted to valve inner and with valve body laser bonding, valve body presses with valve seat and is fixedly connected with, and valve body lower end face is connected with valve seat upper-end surface, and valve body crimp is connected with the face of pressing of valve seat, dynamic iron lower end is assemblied in valve body, have axial step through hole in the middle of dynamic iron, there is T-slot lower end, and dynamic iron coordinates with plunger tube radial clearance, piston and valve seat internal orifice dimension to Spielpassung, annular groove and dynamic iron T-slot Spielpassung.The utility model has the advantage of: novel structure, be easy to processing and assembling; During electromagnetic valve coil power-off, solenoid valve keeps normally open, and valve port diameter is comparatively large, not obvious to the throttling action of liquid in pipeline, and during normal fluid pressure braking, Braking efficiency can not reduce; Only have place's valve port, leak point is reduced, and functional reliability improves.
Description
Technical field
The utility model belongs to automobile industry, refers in particular to a kind of solenoid valve be applied in Recovering Waste Energy of Braking in Automobiles system hydraulic control unit assembly.
Background technique
Along with the development of new-energy automobile technology, braking energy recovering function has become one of prerequisite function of new-energy automobile braking system.An important feature of brake energy recovering system be exactly the hydraulic pressure that produced by brake master cylinder when carrying out Brake energy recovery by Systemic absorption, wheel cylinder does not produce braking, and braking moment is produced by motor torque.Active boost is produced by suction booster when motor torque cannot satisfy the demands braking moment.At this moment just need a large discharge bidirectional electromagnetic valve to realize the isolation of brake master cylinder generation hydraulic part and suction booster generation hydraulic part, and do not affect traditional mechanical-hydraulic braking when brake energy recovering system lost efficacy.
In current brake system of car, only has the solenoid valve of the large discharge of unidirectional isolation.The solenoid valve (as Fig. 1) of the braking system as described in patent 200810097090.5, shortcoming is: (1) solenoid valve is unidirectional normally closed solenoid valve, can only realize the sealing from H to K, cannot realize the sealing from K to H; (2) solenoid valve has two place's valve ports, poppet port N place and large discharge valve port M place, and two places are metal surface seals metal surface, and machining accuracy is high, easy seal failure.
Summary of the invention
The utility model provides a kind of brake system of car bidirectional electromagnetic valve, easily lost efficacy, and can not realize the problem of two way sealed to solve the sealing of existing Unidirectional solenoid valve.
The technical solution of the utility model is: determining iron is electromagnetic pure iron, plunger tube is stainless steel, determine iron and plunger tube laser bonding, plunger tube be mounted to valve inner and with valve body laser bonding, valve body presses with valve seat and is fixedly connected with, valve body lower end face is connected with valve seat upper-end surface, valve body inner circle and valve seat cylindrical are by O RunddichtringO two radial seal, valve body crimp is connected with the face of pressing of valve seat, dynamic iron lower end is assemblied in valve body, dynamic iron upper end is 45 degree of circular cone convex surfaces, determining iron is positioned at above dynamic iron, determining iron lower end is 45 degree of circular cone concave surfaces, axial step through hole is had in the middle of dynamic iron, there is T-slot lower end, dynamic iron coordinates with plunger tube radial clearance, spring one end with determine iron circular cone concave surface and contact, the other end contacts with step through-hole shoulder, valve seat lower end coordinates with base radial clearance, and by O RunddichtringO one radial seal, piston and valve seat internal orifice dimension are to Spielpassung, and by combined seal ring and the radial seal of valve seat endoporus, C chamber is formed between valve seat and valve body, piston and valve seat form A chamber, there is annular groove piston upper end, annular groove and dynamic iron T-slot Spielpassung, piston stretches out valve seat, piston bottom end is the conical surface, under valve seat axial hole, seamed edge is right angle, valve seat axial hole size is less than the maximum diameter of the piston conical surface, lower seamed edge is connected with cone match, internal piston has axial hole, axial hole lower end communicates with B chamber, upper end is communicated with D chamber by the step through-hole of dynamic iron, internal piston have radial direction through hole two by C chamber and axial hole through, valve seat bottom radial direction through hole one communicates with A chamber.
The utility model has the advantage of: novel structure, solenoid valve only adopts one with the piston of square crossing through hole, realize the pressure balance at piston valve port place and O RunddichtringO place, under the effect of electromagnetic force and spring force, piston can move axially, realize bidirectional opening and isolation, structure is simple, is easy to processing and assembling; During electromagnetic valve coil power-off, solenoid valve keeps normally open, and valve port diameter is comparatively large, not obvious to the throttling action of liquid in pipeline, and during normal fluid pressure braking, Braking efficiency can not reduce; Only have place's valve port, leak point is reduced, and functional reliability improves.
Accompanying drawing explanation
Fig. 1 is model utility background technique structural representation;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is the partial view of straight flange 14b before Fig. 2 presses;
Fig. 4 is the three-dimensional view that Fig. 2 moves iron 5;
Fig. 5 is the three-dimensional view of piston 6 in Fig. 2;
Fig. 6 is the zoomed-in view at I place in Fig. 2;
In figure: spring 1, determine iron 2, electromagnetic coil parts 3, plunger tube 4, dynamic iron 5, piston 6, valve seat 7, base 8, O RunddichtringO 1, combined seal ring 10, O RunddichtringO 2 11, radial direction through hole 1, annular groove 13, valve body crimp 14, radial direction through hole 2 15, axial hole 16, step through-hole 17, valve body 18, T-slot 19, annular groove 20, the conical surface 21, lower seamed edge 22, A chamber 23, B chamber 24, C chamber 25, D chamber 26, valve body straight flange 14 '.
Embodiment
Determine iron 2 for electromagnetic pure iron, plunger tube 4 is stainless steel, determine iron 2 and plunger tube 4 laser bonding, plunger tube 4 be mounted to valve body 18 inner and with valve body 18 laser bonding, valve body 18 presses with valve seat 7 and is fixedly connected with, valve body 18 lower end surface is connected with valve seat 7 upper-end surface, valve body 18 inner circle and valve seat 7 cylindrical are by O RunddichtringO 2 11 radial seal, valve body crimp 14 is connected with the face of pressing of valve seat 7, dynamic iron 5 lower end is assemblied in valve body 18, dynamic iron 5 upper end is 45 degree of circular cone convex surfaces, determining iron 2 is positioned at above dynamic iron 5, determining iron 2 lower end is 45 degree of circular cone concave surfaces, axial step through hole 17 is had in the middle of dynamic iron 5, there is T-slot 19 lower end, dynamic iron 5 coordinates with plunger tube 4 radial clearance, spring 1 one end with determine iron 2 circular cone concave surface and contact, the other end contacts with step through-hole 17 shoulder, valve seat 7 lower end coordinates with base 8 radial clearance, and by O RunddichtringO 1 radial seal, piston 6 and valve seat 7 internal orifice dimension are to Spielpassung, and by combined seal ring 10 and the radial seal of valve seat 7 endoporus, C chamber 25 is formed between valve seat 7 and valve body 18, piston 6 and valve seat 7 form A chamber 23, there is annular groove 20 piston 6 upper end, annular groove 20 and dynamic iron T-slot 19 Spielpassung, valve seat 7 is stretched out in piston 6 lower end, piston 6 bottom is the conical surface 21, valve seat 7 axial hole 16 times seamed edges 22 are right angle, valve seat 7 axial hole 16 size is less than the maximum diameter of piston 6 conical surface 21, lower seamed edge 22 is connected with the conical surface 21, there is axial hole 16 piston 6 inside, axial hole 16 lower end communicates with B chamber 24, upper end is communicated with D chamber 26 by the step through-hole 17 of dynamic iron 5, there is radial direction through hole 2 15 piston 6 inside by through to C chamber 25 and axial hole 16, valve seat 7 bottom radial direction through hole 1 communicates with A chamber 23.
Assemble sequence: first valve seat 7 and piston 6 are assembled, again the T-slot 19 of the annular groove 20 of piston 6 with dynamic iron 5 is connected, after finally dynamic iron 5 being docked with plunger tube 4 on the valve body 18 welded, carry out pressing of valve body 18 and valve seat 7, electromagnetic valve body 18 is connected for interference presses with base 8, there is annular groove 13 at valve body 18 and base engagement place, and valve body 18 material unnecessary when pressing is clamp-oned in annular groove, increase riveting intensity.Be valve body straight flange 14 ' before valve body 18 and valve seat 7 press, thick about the 1.5mm of valve body straight flange 14 ', exceed valve seat 7 and to press face 2 ~ 3mm, valve seat 7 face of pressing is 45 degree of conical surfaces.Press rear valve body crimp 14 and valve seat 7 presses face reliable contacts, and this kind of riveting process riveted joint precision is high, and bear pressure large, structure is simple, achieves valve body 18 and is connected with the reliable of valve seat 7.
Determining iron 2 one end is 45 degree of circular cone concave surfaces, and dynamic iron 5 one end is 45 degree of circular cone convex surfaces, forms conical surface electromagnetism air gap, can increase electromagnetic force under the condition of equal Number of ampere turns.In addition, when dynamic iron 5 assembles with valve body 18, circular cone convex surface is beneficial to guiding.
Piston 6 and valve seat 7 internal orifice dimension are equal diameter to Spielpassung place, and matching gap is as far as possible little, with combined seal ring 10 and the radial seal of valve seat 7 endoporus, isolates in A chamber and C chamber, and under ensureing the prerequisite sealed, piston 6 can axial motion freely, reduction surface friction drag.
Principle of the present utility model:
When liquid is flowed into by A chamber, when solenoid valve is not energized, liquid flows into B chamber via solenoid valve valve port, and flow to C chamber and D chamber through piston inner hole and dynamic iron endoporus, the axial hydraulic equilibrium of forces that piston and dynamic iron are subject to, piston is positioned at lower dead center under the action of the spring simultaneously.
When liquid is flowed into by A chamber, when solenoid valve switches to "on" position by non-"on" position, dynamic iron drives in piston overpowers spring resistance and frictional force and moves under the effect of electromagnetic force, and when the base cone face of piston contacts with the endoporus seamed edge of valve seat, A chamber and B chamber isolate.Supercharging is continued in A chamber, and because piston is in sealing valve port place and O RunddichtringO place equal diameters, A chamber is to the axial pressure balance of piston, and valve port can not be opened higher than during B chamber by the pressure when A chamber.Achieve the isolation in A chamber and B chamber.
When liquid is flowed into by A chamber, solenoid valve by energising switch to be not energized time, piston moves down under the action of the spring, and valve port is opened.
When liquid is flowed into by B chamber, when solenoid valve is not energized, liquid flows into A chamber via solenoid valve valve port, and flow to C chamber and D chamber through piston inner hole and dynamic iron endoporus, the axial hydraulic equilibrium of forces that piston and dynamic iron are subject to, piston is positioned at lower dead center under the action of the spring simultaneously.
When liquid is flowed into by B chamber, when solenoid valve switches to energising by non-"on" position, dynamic iron drives in piston overpowers spring resistance and frictional force and moves under the effect of electromagnetic force, and when the base cone face of piston contacts with the endoporus seamed edge of valve seat, B chamber and A chamber isolate.Supercharging is continued in B chamber, and liquid flows to C chamber and D chamber through piston inner hole and dynamic iron endoporus, and because piston is in sealing valve port place and O RunddichtringO place equal diameters, B chamber and C chamber are to the axial pressure balance of piston.When B cavity pressure continues to raise, when the pressure in B chamber is higher than A chamber, valve port can not be opened.Achieve the isolation in B chamber and A chamber.
When liquid is flowed into by B chamber, solenoid valve by energising switch to be not energized time, piston moves down under the action of the spring, and valve port is opened.
Claims (1)
1. a brake system of car bidirectional electromagnetic valve, it is characterized in that: determining iron is electromagnetic pure iron, plunger tube is stainless steel, determine iron and plunger tube laser bonding, plunger tube be mounted to valve inner and with valve body laser bonding, valve body presses with valve seat and is fixedly connected with, valve body lower end face is connected with valve seat upper-end surface, valve body inner circle and valve seat cylindrical are by O RunddichtringO two radial seal, valve body crimp is connected with the face of pressing of valve seat, dynamic iron lower end is assemblied in valve body, dynamic iron upper end is 45 degree of circular cone convex surfaces, determining iron is positioned at above dynamic iron, determining iron lower end is 45 degree of circular cone concave surfaces, axial step through hole is had in the middle of dynamic iron, there is T-slot lower end, dynamic iron coordinates with plunger tube radial clearance, spring one end with determine iron circular cone concave surface and contact, the other end contacts with step through-hole shoulder, valve seat lower end coordinates with base radial clearance, and by O RunddichtringO one radial seal, piston and valve seat internal orifice dimension are to Spielpassung, and by combined seal ring and the radial seal of valve seat endoporus, C chamber is formed between valve seat and valve body, piston and valve seat form A chamber, there is annular groove piston upper end, annular groove and dynamic iron T-slot Spielpassung, piston stretches out valve seat, piston bottom end is the conical surface, under valve seat axial hole, seamed edge is right angle, valve seat axial hole size is less than the maximum diameter of the piston conical surface, lower seamed edge is connected with cone match, internal piston has axial hole, axial hole lower end communicates with B chamber, upper end is communicated with D chamber by the step through-hole of dynamic iron, internal piston have radial direction through hole two by C chamber and axial hole through, valve seat bottom radial direction through hole one communicates with A chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420747605.2U CN204328149U (en) | 2014-12-03 | 2014-12-03 | A kind of brake system of car bidirectional electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420747605.2U CN204328149U (en) | 2014-12-03 | 2014-12-03 | A kind of brake system of car bidirectional electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204328149U true CN204328149U (en) | 2015-05-13 |
Family
ID=53164509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420747605.2U Withdrawn - After Issue CN204328149U (en) | 2014-12-03 | 2014-12-03 | A kind of brake system of car bidirectional electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204328149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482276A (en) * | 2014-12-03 | 2015-04-01 | 吉林东光奥威汽车制动系统有限公司 | Bidirectional electromagnetic valve for automobile brake systems |
-
2014
- 2014-12-03 CN CN201420747605.2U patent/CN204328149U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482276A (en) * | 2014-12-03 | 2015-04-01 | 吉林东光奥威汽车制动系统有限公司 | Bidirectional electromagnetic valve for automobile brake systems |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104482276B (en) | A kind of brake system of car bidirectional electromagnetic valve | |
| CN205938095U (en) | Normally open electromagnetic valve | |
| CN204328149U (en) | A kind of brake system of car bidirectional electromagnetic valve | |
| CN207860163U (en) | The compound line control brake system of four-wheel pressure independent control | |
| CN109018315B (en) | Braking method of electro-hydraulic brake valve of unmanned aerial vehicle undercarriage | |
| CN203404468U (en) | Normally closed solenoid valve for car braking | |
| CN206347160U (en) | A kind of Two purpose valve | |
| CN201779334U (en) | ABS normally closed electromagnetic valve with spherical armature iron | |
| CN201235816Y (en) | Novel ABS normally closed solenoid valve | |
| CN201472364U (en) | ABS/ESC normally open solenoid valve structure | |
| CN201291852Y (en) | Hydraulic reinforcement brake controller of automobile | |
| CN201133432Y (en) | Vacuum booster assembly | |
| CN202827549U (en) | Brake master pump capable of automatically switching light load and heavy load | |
| CN107813806B (en) | Pressure relief assembly and electronic hydraulic booster | |
| CN204821541U (en) | Parallel two -chamber braking main valve | |
| CN213541126U (en) | Optimized clutch power assisting device | |
| CN103758901A (en) | Internal respiration structure of diaphragm type spring braking air chamber of brake system of commercial vehicle | |
| CN107054338B (en) | Manual control brake valve of harbour machinery brake system | |
| CN204399197U (en) | Cyclostrophic liquid type brake clamp unit | |
| CN204077641U (en) | A kind of brake system of car pedal stroke simulator | |
| CN103090021A (en) | Linear electromagnetic normally-closed valve of automobile braking system | |
| CN215720369U (en) | Split type clutch booster cylinder | |
| CN203892643U (en) | External pilot relief valve structure | |
| CN219242508U (en) | Simplified pressurizing cylinder body structure with rotation prevention and pressurizing functions | |
| CN203702939U (en) | Breathing structure inside diaphragm type spring braking air chamber of commercial vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150513 Effective date of abandoning: 20161012 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |