CN201777236U - Novel ABS normally-open magnetic valve - Google Patents
Novel ABS normally-open magnetic valve Download PDFInfo
- Publication number
- CN201777236U CN201777236U CN 201020269342 CN201020269342U CN201777236U CN 201777236 U CN201777236 U CN 201777236U CN 201020269342 CN201020269342 CN 201020269342 CN 201020269342 U CN201020269342 U CN 201020269342U CN 201777236 U CN201777236 U CN 201777236U
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- valve seat
- armature
- valve
- spherical
- described valve
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Abstract
The utility model discloses a novel ABS (Anti-skid Brake System) normally-open magnetic valve, which comprises a body, a valve body, a spherical armature, a spring and a valve seat, wherein a valve hole is formed on the valve body; the spherical armature is arranged at the bottom of the valve hole in a sliding manner; a throttling hole penetrating in the axial direction is formed in the middle of the valve seat; a sealing face is a concave part of a part spherical face, is arranged at the upper end opening of the throttling hole and is coaxial with the throttling hole; the armature is far away from the sealing face of the valve seat under the action of the spring; and the upper part of the valve seat is sleeved by the spring. The cylindrical armature is improved into the spherical armature, so that the centering of the armature and the valve seat is more accurate; meanwhile, the contact surface area of the armature and the valve hole is reduced, so that the flexibility of the movement of the spherical armature is greatly increased, and the response speed of the magnetic valve is improved; and the sealing face on the valve seat adopts the concave part of the part spherical face and corresponds to the spherical armature, so that the spherical armature can be accurately positioned and sealed when the magnetic valve is closed.
Description
Technical field
The utility model relates to a kind of anti-lock braking system in automobiles, particularly relates to a kind of ABS normally open solenoid valve that is used to control increase wheel cylinder brake pressure in this system.
Background technology
The automobile brake anti-locking system abbreviates ABS as, is an important device that improves vehicle passive safety.
Though the ABS anti-lock braking system(ABS) has multiple structure, form by sensor, electronic control unit, hydraulic control unit three parts.The ABS anti-lock braking system(ABS) is according to the detected wheel velocity of speed sensor, be controlled by an electronic control unit the adjusting that hydraulic control unit carries out anti-lock brake pressure, wheel cylinder supercharging when satisfying emergency brake, pressurize and decompression requirement, with prevent vehicle moment break away, the generation of unsafe condition such as driving trace skew and vehicle body direction are uncontrolled.Normally open solenoid valve is used for increasing the brake pressure of wheel cylinder at ABS as the time spent, and it adopts cylindrical armature, and is face seal between the valve seat.This kind structure is found in the Chinese patent that notification number is CN201095360Y, this patent disclosure a kind of ABS normally open solenoid valve structure, it comprises decides iron, moving iron and is set in the moving exterior plunger tube of iron, decide iron inside and be provided with spring, solenoid valve base is provided with valve seat, valve seat bottom is provided with unidirectional valve opening, it is characterized in that describedly decide being connected to of iron and plunger tube and welding and fix, and describedly decides iron stage casing skin and is arranged with pad.This ABS normally open solenoid valve adopts has the moving iron (armature) of cylinder-shaped valve rod, the location of itself and valve seat guarantees by the right alignment of described valve rod and valve seat, the deviation of right alignment often causes sealing surface of seat centering difficulty, right alignment is had relatively high expectations, thereby increased the difficulty and the tooling cost of its processing.
The utility model content
The utility model mainly is in order to solve existing in prior technology ABS normally open solenoid valve armature and valve seat centering difficult problem, a kind of later-model ABS normally open solenoid valve is provided, it is abandoned and adopts valve rod to carry out the structure of coaxial positioning, and adopt a kind of spherical armature, by the appropriate gap between itself and the valve body, reach the automatic centering with valve seat, thereby solved the problem that causes the centering difficulty because of valve rod and valve seat coaxiality error, improve reliability of products, reduced the productive costs that produces.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals: a kind of later-model ABS normally open solenoid valve comprises body, valve body, armature, spring, valve seat; Be provided with valve opening on described valve body lower end face, described spring is arranged in this valve opening; Is provided with the cutoff port that is axial perforation in the middle of the described valve seat, is provided with sealing surface in described cutoff port upper port, described armature under the effect of described spring away from the sealing surface of described valve seat; Described armature is a spherical armature, and it is slidably disposed on the bottom of described valve opening; Described sealing surface of seat is a spherical calotte that is depression, and is coaxial with described cutoff port, and described spring housing is located at the top of described valve seat.By the cylindrical sphere that is improved to, the centering of itself and described valve seat is more accurate with described armature, simultaneously since with the minimizing of described valve body hole contact surface, increased the kinematic dexterity of described spherical armature greatly, improved the speed of response of electromagnetic valve; Be the sealing surface of seat of spherical calotte depression on the described valve seat, corresponding with described spherical armature, make described spherical armature when closing, can accurately locate sealing.
As a kind of optimal technical scheme of the utility model, described valve seat comprises that one extend into the valve seat top in the described valve opening and extend into described intrinsic valve seat bottom; The diameter of described valve seat bottom is provided with some oil grooves greater than described valve seat upper diameter in the upper end of described valve seat bottom, is axial perforation, evenly arranges along circumference.Employing is provided with the liquid outlet channel that the chute that is even layout along circumference is used for braking liquid in described valve seat bottom, be convenient to that described valve seat extend in the described valve body and with described valve body adopt press-fit fixing.
As a kind of optimal technical scheme of the utility model, be provided with the stepped hole of an expansion at the lower openings place of described valve body; Also be provided with a transition shoulder between described valve seat bottom and described valve seat top, liquid ebb interval of corresponding formation with described stepped hole also is communicated with described oil groove, and described spring is arranged between described transition shoulder and the described spherical armature.By a stepped hole, make the location of described valve seat when press-fiting, with guaranteeing have enough liquid ebb intervals to confess the liquid circulation with described valve body.
As a kind of optimal technical scheme of the utility model, in described liquid ebb interval, also be provided with the ring filter screen; Described ring filter screen set is located on the described transition shoulder cylinder; The oil inlet place also is provided with the end filter screen in described valve seat lower end.Utilize a ring filter screen that is provided with on the described transition shoulder and the end filter screen that is arranged on described seat portion oil inlet place, guarantee to flow into and flow out the cleaning of braking liquid from electromagnetic valve.
By the technical solution of the utility model, mainly solve the available technology adopting valve rod and carried out the coaxial positioning structure, cause the problem of centering difficulty because of valve rod and valve seat coaxiality error; Adopt a kind of spherical armature,, reach the automatic centering with valve seat, improved reliability of products, reduced the productive costs that produces by the appropriate gap between itself and the valve body.
Description of drawings
Fig. 1 is the utility model structural representation;
Wherein, body 1, shell 2, winding 3, skeleton 4, valve body 5, sealing surface 6, armature 7, spring 8, valve opening 9, stationary plane 10, ring filter screen 11, end filter screen 12, axial hole 13, oil groove 14, valve seat 15, cutoff port 16, seal ring 17, oil inlet 18, oil outlet 19, the first hole section 20, the second hole section 21, the 3rd hole section 22, the first circle section, 23, the second circle section the 24, the 3rd circle section 25, the transition conical surface 26, liquid ebb interval 27 and annular groove 28.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Referring to Fig. 1, a kind of later-model ABS normally open solenoid valve comprises body 1, valve body 5, armature 7, spring 8, valve seat 15; Be provided with valve opening 9 in described valve body 5, the sealing surface 6 that described armature 7 is arranged under the bottom of described valve opening 9 and 8 effects of the spring in being arranged on this valve opening 9 with described valve seat 15 keeps often opening; Described valve seat 15 is provided with the cutoff port 16 that is axial perforation, the described sealing surface 6 of pass-out, and described armature 7 is a steel ball, it is slidably disposed on the bottom of described valve opening 9 under the effect of described spring 8; Described sealing surface 6 is the depression of a spherical calotte, and is coaxial with described cutoff port 16.
Opening part at described valve body 5 valve openings 9 is provided with three grades of stepped holes that outwards enlarge gradually, comprises the first hole section 20, the second hole section 21 and the 3rd hole section 22.Described valve seat 15 tops also be provided with cooresponding with it in described valve opening 9 diminishing three grades of steps circle, comprise the first circle section, 23, the second circle section the 24 and the 3rd circle section 25; And form a liquid ebb interval 27 between the described valve opening; Described spring 8 be set in described valve seat 15 on the first circle section 23 on; The described the 3rd justifies the diameter of the diameter of section 25 greater than described valve seat 15 bottoms, and a transition conical surface 26 is arranged.
End in described the 3rd circle section 25 is provided with some oil grooves 14, is the stage casing of axial perforation to the bottom of described valve seat 15, evenly arranges along circumference; The shoulder that is provided with a ring filter screen 11 and described valve opening 9 second hole sections 21 on the second circle section 24 of described valve seat 15 offsets; Described valve opening 9 the 3rd hole section 22 is pressed on described valve seat 15 the 3rd circle section 25 by press-loading process, and part is wrapped on the described transition conical surface 26.
Be provided with an end filter screen 12 in the bottom of described valve seat 15, be provided with an annular groove 28, be provided with a seal ring 17 and the axial hole 13 of described valve seat 15 and described body 1 is at described annular groove 28 and be tightly connected in described valve seat 15 bottoms.
Be provided with winding 3 on described valve body 5 top excircles, described winding 3 is located on the skeleton 4, also is provided with a shell 2 outside described winding 3.
Described valve body 5, and is fixed by stationary plane 10 by press-fiting in the axial hole 13 that is fixed on body 1 together with described valve seat 15.
On described body 1, be provided with a fuel feed hole 18 and an oil outlet 19.When system need be to the wheel cylinder supercharging, the oil pump control cock was obtained pressure and is entered cutoff port 16, sealing surface 6, liquid ebb interval 27 and the oil groove 14 of described electromagnetic valve valve seat 15 by described fuel feed hole 18 from master cylinder, and by oil outlet 19 to the wheel cylinder delivery pressure; When described winding 3 moves described armature 7 downwards according to signal instruction, and described cutoff port 16 is closed, make described wheel cylinder pressurize or the reducing valve decompression by system by described sealing surface 6.
Claims (6)
1. a later-model ABS normally open solenoid valve comprises body, valve body, armature, spring, valve seat; Be provided with valve opening on described valve body lower end face, described spring is arranged in this valve opening; Is provided with the cutoff port that is axial perforation in the middle of the described valve seat, is provided with sealing surface in described cutoff port upper port, described armature under the effect of described spring away from the sealing surface of described valve seat; It is characterized in that: described armature is a spherical armature, and it is slidably disposed on the bottom of described valve opening; Described sealing surface of seat is a spherical calotte that is depression, and is coaxial with described cutoff port, and described spring housing is located at the top of described valve seat.
2. a kind of later-model ABS normally open solenoid valve according to claim 1 is characterized in that: described valve seat comprises that one extend into the valve seat top in the described valve opening and extend into described intrinsic valve seat bottom; The diameter of described valve seat bottom is provided with some oil grooves greater than described valve seat upper diameter in the upper end of described valve seat bottom, is axial perforation, evenly arranges along circumference.
3. a kind of later-model ABS normally open solenoid valve according to claim 1 and 2 is characterized in that: the stepped hole that is provided with an expansion at the lower openings place of described valve body; Also be provided with a transition shoulder between described valve seat bottom and described valve seat top, liquid ebb interval of corresponding formation with described stepped hole also is communicated with described oil groove, and described spring is arranged between described transition shoulder and the described spherical armature.
4. a kind of later-model ABS normally open solenoid valve according to claim 3 is characterized in that: also be provided with the ring filter screen in described liquid ebb interval; Described ring filter screen set is located on the described transition shoulder cylinder.
5. a kind of later-model ABS normally open solenoid valve according to claim 1 and 2, it is characterized in that: the oil inlet place also is provided with the end filter screen in described valve seat lower end.
6. a kind of later-model ABS normally open solenoid valve according to claim 3, it is characterized in that: the oil inlet place also is provided with the end filter screen in described valve seat lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020269342 CN201777236U (en) | 2010-07-23 | 2010-07-23 | Novel ABS normally-open magnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020269342 CN201777236U (en) | 2010-07-23 | 2010-07-23 | Novel ABS normally-open magnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201777236U true CN201777236U (en) | 2011-03-30 |
Family
ID=43790462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020269342 Expired - Lifetime CN201777236U (en) | 2010-07-23 | 2010-07-23 | Novel ABS normally-open magnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201777236U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105774789A (en) * | 2016-05-25 | 2016-07-20 | 瑞立集团瑞安汽车零部件有限公司 | Universal integrated light ABS electromagnetic valve |
| CN106696931A (en) * | 2017-01-25 | 2017-05-24 | 天津英创汇智汽车技术有限公司 | Novel pressure reducing valve used in vehicle electronic stability control system |
| CN114321393A (en) * | 2021-12-22 | 2022-04-12 | 新乡市振航机电有限公司 | Miniature cartridge formula double coil solenoid valve |
-
2010
- 2010-07-23 CN CN 201020269342 patent/CN201777236U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105774789A (en) * | 2016-05-25 | 2016-07-20 | 瑞立集团瑞安汽车零部件有限公司 | Universal integrated light ABS electromagnetic valve |
| CN105774789B (en) * | 2016-05-25 | 2018-04-20 | 瑞立集团瑞安汽车零部件有限公司 | A kind of general integrated form lightweight ABS solenoid valves |
| CN106696931A (en) * | 2017-01-25 | 2017-05-24 | 天津英创汇智汽车技术有限公司 | Novel pressure reducing valve used in vehicle electronic stability control system |
| CN106696931B (en) * | 2017-01-25 | 2023-07-25 | 天津英创汇智汽车技术有限公司 | Novel pressure reducing valve used in automobile electronic stability control system |
| CN114321393A (en) * | 2021-12-22 | 2022-04-12 | 新乡市振航机电有限公司 | Miniature cartridge formula double coil solenoid valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110330 |