CN207005411U - New automobile braking normally closed solenoid valve - Google Patents

New automobile braking normally closed solenoid valve Download PDF

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Publication number
CN207005411U
CN207005411U CN201720711477.XU CN201720711477U CN207005411U CN 207005411 U CN207005411 U CN 207005411U CN 201720711477 U CN201720711477 U CN 201720711477U CN 207005411 U CN207005411 U CN 207005411U
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CN
China
Prior art keywords
iron
normally closed
valve body
closed solenoid
solenoid valve
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CN201720711477.XU
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Chinese (zh)
Inventor
刘伟
李磊
张致兴
吴志强
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Wanxiang Qianchao Co Ltd
Wanxiang Group Corp
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Wanxiang Qianchao Co Ltd
Wanxiang Group Corp
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Abstract

It the utility model is related to a kind of new automobile braking normally closed solenoid valve, mainly include core assembly and electromagnetic assembly, inside core assembly insertion electromagnetic assembly, core assembly includes determining iron, valve body and positioned at valve body and determine the dynamic iron between iron, move iron and determine to be provided with air gap between iron, the plunger tube of tubular is placed on the outside of core assembly, the outside of core assembly is connected by riveting side with hydraulic block, move iron and determine to be provided with back-moving spring between iron, electromagnetic assembly is by coil windings, housing covers and protective cover composition, coil windings are located at the inside of housing set, the bottom connection protective cover of housing set.The utility model has the advantages that:The utility model structure overcome existing automobile brake normally closed solenoid valve electromagnetic force according to the curent change for being applied to electromagnetic assembly the characteristic of nonlinear change, magnetic force with electric current change approximately linear change, the controlled linear of normally closed solenoid valve is improved, is easy to the later stage to be controlled by software and hardware it.

Description

New automobile braking normally closed solenoid valve
Technical field
Electromagnetic valve structure is the utility model is related to, especially a kind of new automobile braking normally closed solenoid valve.
Background technology
Anti-locking system for car (ABS) and ESP system (ESC system) commonly use normally closed solenoid valve, are used for Reduce the brake pressure of wheel cylinder under specific circumstances.Anti-lock braking system(ABS), ABS existing common brakings are largely installed on Hyundai Motor The braking function of system, and can prevent wheel lock, make automobile remain to turn under on-position, ensure that the braking direction of automobile is steady It is qualitative, prevent to break away and sideslip, be most advanced, brake apparatus that braking effect is optimal on current automobile.Conventional is normally closed Magnetic valve its magnetic force in the range of the total travel of dynamic iron non-linearly changes according to the change of electric current, that is to say, that magnetic valve by Control is not easy to be controlled linearly because the magnetic force change according to curent change greatly reduces.
The content of the invention
The utility model will solve the shortcomings that above-mentioned prior art, there is provided a kind of response and controlled linear are more preferable, are easy to The new automobile braking normally closed solenoid valve of the control in later stage.
The utility model solves the technical scheme of its technical problem use:This new automobile braking normally closed solenoid valve, It is main to include core assembly and electromagnetic assembly, inside core assembly insertion electromagnetic assembly, core assembly including determine iron, valve body and Positioned at valve body and determine the dynamic iron between iron, dynamic iron is located at the bottom for determining iron, moves iron and determines to be provided with air gap between iron, moves the lower end of iron Insert in valve body, the plunger tube of tubular is placed on the outside of core assembly, and the upper end of plunger tube is connected with determining iron, and lower end connects with valve body Connect, the outside of core assembly is connected by riveting side with hydraulic block, is moved iron and is determined to be provided with back-moving spring, electromagnetic assembly between iron It is made up of coil windings, housing set and protective cover, coil windings are located at the inside of housing set, the bottom connection protection of housing set Lid, electromagnetic assembly are arranged on the outer surface of dynamic iron and plunger tube.
The step-like structure that the dynamic iron successively decreases in three sections of diameters from top to bottom, three sections of cylindrical structures, move on iron The both sides of section cylinder are arranged with dynamic iron oil groove, and the both sides of dynamic iron stage casing cylinder are arranged with guide ledges, move the upper of iron End is provided with dynamic iron counterbore, and back-moving spring is located in dynamic iron counterbore, and the bottom for moving iron is ball coronal structure.
Non-working-gap position is provided between the dynamic iron and protective cover, the dynamic iron moved on iron removes material inclined-plane and protection The protective cover removal material inclined-plane covered is parallel, moves on the protective cover on the dynamic iron stage casing cylinder on iron in plane and protective cover Plane approximation is in the same plane.
The valve body is provided with main valve seat, is provided with throttle orifice in main valve seat, throttle orifice is in the up-small and down-big poroid knot of step Structure, throttle orifice form ball face sealing with ball coronal structure, and the side wall of valve body is provided with entrance, and the bottom of main valve seat is provided with outlet, valve Seat epimere internal holes have the diameter corresponding with guide ledges.
Protective cover in the electromagnetic assembly is permeability magnetic material, and its cross section is trapezoidal.
It is described determine Tie Tong cross welding be connected in a fluid tight manner with plunger tube, the lower end of valve body and plunger tube passes through Crimp is riveted together, and ring filter screen is cased with the outside of valve body and plunger tube.
The utility model has the advantages that:The utility model structure overcomes existing automobile brake normally closed solenoid valve Electromagnetic force characteristic of nonlinear change according to the curent change for being applied to electromagnetic assembly, magnetic force are approximate with the change of electric current Linear change, magnetic valve are easier to be controlled, improve the controlled linear of normally closed solenoid valve, be easy to the later stage to pass through software and hardware pair It is controlled.
Brief description of the drawings
Fig. 1 is the utility model structure diagram;
Fig. 2 is iron construction schematic diagram;
Fig. 3 is the close-up schematic view of A portions structure;
Fig. 4 is electric current force characteristic curve in the utility model total travel.
Description of reference numerals:Core assembly 1, electromagnetic assembly 2, determine iron 3, valve body 4, move iron 5, plunger tube 6, riveting side 7, liquid Briquetting 8, coil windings 9, housing set 10, protective cover 11, move iron counterbore 12, back-moving spring 13, main valve seat 14, throttle orifice 15, valve Seat epimere internal holes 16, ring filter screen 17, entrance 18, outlet 19, air gap 20, move iron epimere cylinder 41, move iron oil groove 42, move iron Stage casing cylinder 43, guide ledges 44, ball coronal structure 45, moving iron and remove material inclined-plane 51, protective cover removes material inclined-plane 52, Plane 53 on dynamic iron stage casing cylinder, protects cover upper planar surface 54, non-working-gap position 55.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings:
As illustrated, this new automobile braking normally closed solenoid valve, mainly includes core assembly 1 and electromagnetic assembly 2, valve Core assembly 1 is inserted inside electromagnetic assembly 2, and core assembly 1 includes determine iron 3, valve body 4 and positioned at valve body 4 and determines moving between iron 3 Iron 5, dynamic iron 5 are located at the bottom for determining iron 3, move iron 5 and determine to be provided with air gap 20 between iron 3, move in the lower end insertion valve body 4 of iron 5, cylinder The plunger tube 6 of shape is placed on the outside of core assembly 1, and the upper end of plunger tube 6 is connected with determining iron 3, and lower end is connected with valve body 4, valve element The outside of component 1 is connected by riveting side 7 with hydraulic block 8, is moved iron 5 and is determined to be provided with back-moving spring 13, electromagnetic assembly between iron 3 2 are made up of coil windings 9, housing set 10 and protective cover 11, and coil windings 9 are located at the inside of housing set 10, housing set 10 Bottom connects protective cover 11, and electromagnetic assembly 2 is arranged on the outer surface of dynamic iron 5 and plunger tube 6.Protective cover 11 in electromagnetic assembly 2 For permeability magnetic material, its cross section is trapezoidal, compared with conventional solenoid valve, increases the magnetic resistance of air gap 20 by way of reducing material.
As shown in Fig. 2 the step-like structure that dynamic iron 5 successively decreases in three sections of diameters from top to bottom, three sections of cylindrical structures, The both sides of dynamic iron epimere cylinder 41 are arranged with dynamic iron oil groove 42, and the dynamic iron oil groove being arranged symmetrically can reduce when dynamic iron moves Hydraulic power, the both sides of dynamic iron stage casing cylinder 43 are arranged with guide ledges 44, and the upper end of dynamic iron 5 is provided with dynamic iron counterbore 12, multiple Position spring 13 is located in dynamic iron counterbore 12, and the bottom for moving iron 5 is ball coronal structure 45.
Valve body 4 is provided with main valve seat 14, and throttle orifice 15 is provided with main valve seat, and throttle orifice 15 is poroid in up-small and down-big step Structure, throttle orifice 15 form ball face sealing with ball coronal structure 45, and sealing reliability is high, and the side wall of valve body 4 is provided with entrance 18, main The bottom of valve seat 14 is provided with outlet 19, and valve seat epimere internal holes 16 have the diameter corresponding with guide ledges 44, to move iron It can move back and forth wherein.
Determine iron 3 by welding in a fluid tight manner with plunger tube 6 to be connected, the lower end of valve body 4 and plunger tube 6 passes through Crimp is riveted together, and the outside of valve body 4 and plunger tube 6 is cased with ring filter screen 17, and the structure can be prevented effectively in fluid Field trash enters in magnetic valve.
As shown in figure 3, dynamic be provided with non-working-gap position 55 between iron 5 and protective cover 11, non-working-gap position 55 is matched somebody with somebody To permeability magnetic material by rationally design remove portion of material, increase the magnetic resistance of whole magnetic loop, have impact on loop magnetic induction The distribution of intensity so that approximately linear feature is presented in electric current force characteristic in the range of total travel.Preferably, in order to obtain preferably Electric current force characteristic curve, move the dynamic iron on iron 5 and remove material inclined-plane 51 and the protective cover removal material inclined-plane 52 on protective cover 11 Parallel, plane 53 is approximately at same with the protection cover upper planar surface 54 on protective cover 11 on the dynamic iron stage casing cylinder on dynamic iron 5 In plane.
Dynamic iron 5 is designed to be able to be axially moved under the guide effect of plunger tube 6 and valve seat.
Move iron 5 and determine to be provided with back-moving spring 13 between iron 3, iron 5 is moved under original state in the squeezing action of back-moving spring 13 Under, the dynamic bottom ball coronal structure 45 of iron 5, which contacts the aperture position of throttle orifice 15, closes main valve seat 14, and magnetic valve is in normally closed shape State.When electromagnetic assembly 2 is powered, dynamic iron 5 overcomes back-moving spring 13 by electromagnetic force caused by electromagnetic assembly 2 in plunger tube 6 Spring force and fluid force towards determine the direction of iron 3 motion, the sealing sphere on dynamic iron 5 is lifted from main valve seat 14, so as to allow into Liquid flowing between mouth 18 and outlet 19.The maximum lift of dynamic iron 5 is true in advance by determining the air gap 20 between iron 3 and dynamic iron 5 It is fixed.When electromagnetic assembly 2 is not powered on, electromagnetic force will not be produced, dynamic iron 5 returns to initial shape due to the effect of back-moving spring 13 State, to close main valve seat 14.
As shown in figure 4, in the range of the total travel of dynamic iron, magnetic force is near according to the curent change for being applied to coil windings The change of liny.In this case, magnetic force is changed in a manner of approximately linear, and the magnetic valve is compared to conventional normally closed electromagnetism Valve easier can be controlled.
In addition to the implementation, the utility model can also have other embodiment.It is all to use equivalent substitution or equivalent change The technical scheme to be formed is changed, all falls within the protection domain of the requires of the utility model.

Claims (6)

  1. A kind of 1. new automobile braking normally closed solenoid valve, mainly including core assembly (1) and electromagnetic assembly (2), core assembly (1) it is internal to insert electromagnetic assembly (2), it is characterized in that:Core assembly (1) includes determining iron (3), valve body (4) and positioned at valve body (4) And determine the dynamic iron (5) between iron (3), dynamic iron (5) is located at the bottom for determining iron (3), moves iron (5) and determines to be provided with air gap between iron (3) (20) in the lower end insertion valve body (4) for, moving iron (5), the plunger tube (6) of tubular is placed on the outside of core assembly (1), plunger tube (6) upper end is connected with determining iron (3), and lower end is connected with valve body (4), and the outside of core assembly (1) passes through riveting side (7) and hydraulic pressure Block (8) connects, and moves iron (5) and determines to be provided with back-moving spring (13) between iron (3), electromagnetic assembly (2) is by coil windings (9), shell Body set (10) and protective cover (11) composition, coil windings (9) are located at the inside of housing set (10), and the bottom of housing set (10) connects Protecting cover (11) is taken over control, electromagnetic assembly (2) is arranged on the outer surface of dynamic iron (5) and plunger tube (6).
  2. 2. new automobile braking normally closed solenoid valve according to claim 1, it is characterized in that:The dynamic iron (5) is from up to The step-like structure to successively decrease in three sections of diameters down, three sections of cylindrical structures, the both sides for moving iron epimere cylinder (41) are symmetrical Provided with dynamic iron oil groove (42), the both sides of dynamic iron stage casing cylinder (43) are arranged with guide ledges (44), and the upper end of dynamic iron (5) is opened There is iron counterbore (12), back-moving spring (13) is located in dynamic iron counterbore (12), and the bottom for moving iron (5) is ball coronal structure (45).
  3. 3. new automobile braking normally closed solenoid valve according to claim 1 or 2, it is characterized in that:The dynamic iron (5) is with preventing Non-working-gap position (55) are provided between protecting cover (11), the dynamic iron moved on iron (5) removes material inclined-plane (51) and protective cover (11) protective cover removal material inclined-plane (52) on is parallel, moves plane (53) and protection on the dynamic iron stage casing cylinder on iron (5) Protection cover upper planar surface (54) on lid (11) is approximately on same plane.
  4. 4. new automobile braking normally closed solenoid valve according to claim 3, it is characterized in that:The valve body (4) is provided with Main valve seat (14), is provided with throttle orifice (15) in main valve seat, and throttle orifice (15) is in up-small and down-big step cavernous structure, throttle orifice (15) ball face sealing is formed with ball coronal structure (45), the side wall of valve body (4) is provided with entrance (18), and the bottom of main valve seat (14) is set There is outlet (19), valve seat epimere internal holes (16) have the diameter corresponding with guide ledges (44).
  5. 5. new automobile braking normally closed solenoid valve according to claim 1, it is characterized in that:In the electromagnetic assembly (2) Protective cover (11) be permeability magnetic material, its cross section is trapezoidal.
  6. 6. new automobile braking normally closed solenoid valve according to claim 1, it is characterized in that:It is described to determine iron (3) and pass through weldering Connect and be connected in a fluid tight manner with plunger tube (6), the lower end of valve body (4) and plunger tube (6) is riveted by crimp Together, valve body (4) on the outside of plunger tube (6) with being cased with ring filter screen (17).
CN201720711477.XU 2017-06-19 2017-06-19 New automobile braking normally closed solenoid valve Active CN207005411U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720711477.XU CN207005411U (en) 2017-06-19 2017-06-19 New automobile braking normally closed solenoid valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720711477.XU CN207005411U (en) 2017-06-19 2017-06-19 New automobile braking normally closed solenoid valve

Publications (1)

Publication Number Publication Date
CN207005411U true CN207005411U (en) 2018-02-13

Family

ID=61446473

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720711477.XU Active CN207005411U (en) 2017-06-19 2017-06-19 New automobile braking normally closed solenoid valve

Country Status (1)

Country Link
CN (1) CN207005411U (en)

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Address after: 311215 Wanxiang Road, Xiaoshan District, Hangzhou City, Zhejiang Province

Patentee after: Wanxiang Qianchao Co.,Ltd.

Patentee after: WANXIANG GROUP Co.,Ltd.

Address before: No.1 Wanxiang Road, Xiaoshan Economic and Technological Development Zone, Hangzhou City, Zhejiang Province

Patentee before: WANXIANG QIANCHAO Co.,Ltd.

Patentee before: WANXIANG GROUP Co.,Ltd.