CN207005412U - The continuous normally closed solenoid valve of new automobile braking - Google Patents
The continuous normally closed solenoid valve of new automobile braking Download PDFInfo
- Publication number
- CN207005412U CN207005412U CN201720711903.XU CN201720711903U CN207005412U CN 207005412 U CN207005412 U CN 207005412U CN 201720711903 U CN201720711903 U CN 201720711903U CN 207005412 U CN207005412 U CN 207005412U
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- valve
- valve seat
- valve body
- normally closed
- dynamic iron
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Abstract
It the utility model is related to a kind of continuous normally closed solenoid valve of new automobile braking, mainly include valve body, valve seat, the kinetoplast being contained in valve body and valve seat, in kinetoplast insertion valve body, and it is located at valve seat top, back-moving spring is provided between valve body and kinetoplast, valve seat is internally provided with liquid outlet channel, liquid outlet channel is in up-small and down-big step cavernous structure, the upper end of valve seat is provided with the throttle orifice connected with liquid outlet channel, inwall of the throttle orifice close to valve seat upper end, inclination is in funnel-shaped structure, both sides outside valve seat are provided with feed pathway, the outer wall of the path part of valve seat bottom is provided with lip-type packing.The utility model has the advantages that：The utility model structure can be realized in the total travel of electromagnetic force, spring force and hydraulic coupling between the fully closed position and full open position with magnetic valve at least provided with a dynamic balance point, normally closed solenoid valve is being increased at least one stable operating point in addition to completely closing and fully opening.
Description
Technical field
Electromagnetic valve structure is the utility model is related to, especially a kind of continuous normally closed solenoid valve of new automobile braking.
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.Existing ABS/ESC
The normally closed solenoid valve of system is designed to pure reversal valve, can only be worked in the state of either fully open or fully closing,
For noncontinuity magnetic valve, while it is to cause larger pressure oscillation to produce larger noise being turned on or off magnetic valve.
The content of the invention
The utility model will solve the shortcomings that above-mentioned prior art, there is provided the new automobile that a kind of controllability is good, noise is small
The continuous normally closed solenoid valve of braking.
The utility model solves the technical scheme of its technical problem use：The continuous normally closed electromagnetism of this new automobile braking
Valve, mainly including valve body, valve seat, the kinetoplast being contained in valve body and valve seat, kinetoplast is embedded in valve body, and is located at valve seat top,
Back-moving spring is provided between valve body and kinetoplast, valve seat is internally provided with liquid outlet channel, and liquid outlet channel is in up-small and down-big step
Cavernous structure, the upper end of valve seat are provided with the throttle orifice connected with liquid outlet channel, and throttle orifice tilts close to the inwall of valve seat upper end
In funnel-shaped structure, the both sides outside valve seat are provided with feed pathway, and the outer wall of the path part of valve seat bottom is close provided with lip
Seal, kinetoplast are made up of dynamic iron and valve rod, and both form integral structure by injection, move the stepped structure in upper end of iron,
The corresponding position of valve inner has corresponding step-like structure.
The inside of the dynamic iron upper end is provided with back-moving spring mounting hole, and back-moving spring is located in back-moving spring mounting hole, moves
The both sides of iron have been arranged symmetrically dynamic iron oil groove, and the upper end of valve rod is in contact with back-moving spring, and the bottom of valve rod is in ball coronal structure,
Ball coronal structure is connected on the funnelform aperture position of throttle orifice, ball coronal structure and funnelform throttle orifice opening shape balling-up
Sealing.
Ring filter screen is cased with the outside of the valve seat, the upper end of ring filter screen is connected on the inwall of valve body, the lower end of ring filter screen
It is connected to the marginal position of valve seat upper end.
The step structure of the dynamic iron upper end-face edge is followed successively by dynamic iron First terrace, dynamic iron second step from top to bottom
Face, the dynamic iron conical surface, the step-like structure of valve inner are followed successively by valve inner First terrace, valve inner second from top to bottom
Step surface, dynamic iron First terrace are in same level with valve inner First terrace, valve inner second step face
Less than dynamic iron second step face, the angle of inclination for moving the iron conical surface is between 30 °~50 °.
The lower end of the valve seat and valve body is riveted together by crimp.
The utility model has the advantages that：The utility model structure can realize that electromagnetic force, spring force and hydraulic coupling exist
With at least provided with a dynamic balance point, making in the total travel between the fully closed position and full open position of magnetic valve often
Close magnetic valve is increasing at least one stable operating point in addition to completely closing and fully opening, and realizes electromagnetic valve work accurate quiet
Only and in the state of the unlatching of part, while the noise caused by pressure fluctuation can be reduced.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is electromagnetic valve current force characteristic curve；
Fig. 3 is electromagnetic force follower stroke change curve under different electric currents；
Fig. 4 is the composite curve of electromagnetic force, spring force and hydraulic coupling；
Fig. 5 is the close-up schematic view of A portions structure.
Description of reference numerals：Valve body 1, valve seat 2, dynamic iron 3, back-moving spring 4, liquid outlet channel 5, throttle orifice 6, feed pathway 7,
Lip-type packing 8, back-moving spring mounting hole 9, valve rod 10, iron oil groove 11 is moved, ball coronal structure 12, ring filter screen 13, moves iron first
Step surface 51, valve inner First terrace 52, valve inner second step face 53, iron second step face 54 is moved, move the iron conical surface
55。
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As illustrated, the continuous normally closed solenoid valve of this new automobile braking, mainly includes valve body 1, valve seat 2, is contained in
Kinetoplast in valve body 1 and valve seat 2, kinetoplast is embedded in valve body 1, and is located at the top of valve seat 2, is provided with and is resetted between valve body 1 and kinetoplast
Spring 4, valve seat 2 are internally provided with liquid outlet channel 5, and liquid outlet channel 5 is in up-small and down-big step cavernous structure, valve seat 2 it is upper
End is provided with the throttle orifice 6 that connect with liquid outlet channel 5, and for throttle orifice 6 close to the inwall of the upper end of valve seat 2, it is in funnel-shaped structure to tilt,
Both sides outside valve seat 2 are provided with feed pathway 7, and the outer wall of the path part of the bottom of valve seat 2 is provided with lip-type packing 8, kinetoplast
It is made up of dynamic iron 3 and valve rod 10, both form integral structure by injection, move the stepped structure in upper end of iron 3, valve body 1
Internal corresponding position has corresponding step-like structure.The inside of the dynamic upper end of iron 3 is provided with back-moving spring mounting hole 9, resets bullet
Spring 4 is located in back-moving spring mounting hole 9, and the both sides of dynamic iron 3 have been arranged symmetrically dynamic iron oil groove 11, and the dynamic iron oil groove being arranged symmetrically can
Reduce hydraulic power during dynamic iron motion.The upper end of valve rod 10 is in contact with back-moving spring 4, and the bottom of valve rod 10 is in ball coronal structure
12, ball coronal structure 12 is connected on 6 funnelform aperture position of throttle orifice, ball coronal structure 12 and funnelform throttle orifice 6
Opening shape balling-up seals, and contact area is big, good airproof performance, and valve port is not easy to leak.The outside of valve seat 2 is cased with ring filter screen 13, ring filter
The upper end of net 13 is connected on the inwall of valve body 1, and the lower end of ring filter screen 13 is connected to the marginal position of the upper end of valve seat 2, the structure
It can prevent that field trash enters in magnetic valve in fluid.
Fig. 2 show new type of continuous normally closed solenoid valve electric current force characteristic curve, as seen from the figure, passes through setting again for structure
Meter, in the range of the total travel of dynamic iron 3, electromagnetic force (Fm) approximately linear according to the curent change for being applied to coil windings
Change the magnetic valve has more preferable controlled linear compared to conventional normally closed solenoid valve.
Fig. 3 show new type of continuous normally closed solenoid valve electromagnetic force (Fm) follower movement travel change force curve, pass through
The dynamic upper end of iron 3 and the interior location of corresponding valve body 1 are designed to step structure, the electricity that follower stroke caused by energization changes
Magnetic force (Fm) curve as desired with the increase of stroke is in gentle downward trend.Specific electromagnetic force follower stroke
The curve of change can determine by kinetoplast upper end and for the geometric parameter of the internal structure of valve body 1.
As shown in figure 5, the step structure of the dynamic upper end-face edge of iron 3 is followed successively by dynamic iron First terrace 51, moved from top to bottom
Iron second step face 54, the dynamic iron conical surface 55, the step-like structure inside valve body 1 are followed successively by valve inner first step from top to bottom
Face 52, valve inner second step face 53, preferably, in order to obtain the power spy that shallower electromagnetic force changes with stroke
Linearity curve, dynamic iron First terrace 51 are in same level with valve inner First terrace 52, valve inner second
The slightly below dynamic iron second step face 54 of terrace 53, the angle of inclination of the dynamic iron conical surface 55 are advisable between 30 °~50 °.
According to the utility model, pass through spring force (Fs), hydraulic coupling (Fp) make a concerted effort follower stroke change curve and electromagnetism
Power (Fm) follower stroke change curve synthesized, obtain curve as shown in Figure 4, it can be seen that dynamic iron 3 is completely closing position
Put and another stable operating point S between full open position be present0。
Normally closed solenoid valve of the present utility model in an initial condition, due to the effect of back-moving spring 4, the lower end spherical crown of valve rod 19
Shape structure 12 with being contacted at the choana of throttle orifice 6, close by throttle orifice 6, and magnetic valve is in normally off.When the coil is energized
Caused electromagnetic force (Fm) the dynamic iron 3 that makes to be axially movable overcomes bullet caused by back-moving spring 4 together with valve rod 10 inside valve body 1
Spring force (Fs) and overcome hydraulic coupling (Fp) move upward, the bottom ball coronal structure 12 of valve rod 10 is lifted at throttle orifice 6, from
And realize the liquid between feed pathway 7, throttle orifice 6, liquid outlet channel 5 and flow.It is new compared to conventional normally closed solenoid valve, this practicality
There is another stable operating point before full open position is reached in the magnetic valve of type, in this operating point spring force
(Fs), hydraulic coupling (Fp) and electromagnetic force (Fm) realize the balance of power, i.e., the kinetoplast described in it is in electromagnetic force (Fm) in the presence of transport
Partial journey is moved, valve rod 10 goes out to lift from restriction causes certain distance S0, the electromagnetic valve work separates in accurate static and portion
In the state of opening.When the coil is de-energized, in spring force (Fs) and hydraulic coupling (Fp) in the presence of kinetoplast move downward, valve rod 10
The ball coronal structure of bottom is connected at the choana of throttle orifice 6, so as to cut off the liquid between feed pathway and liquid outlet channel
Body flows.
Back-moving spring 4 described in the utility model needs bigger spring compared to the back-moving spring of conventional normally closed solenoid valve
Rigidity forms the operating point of another stabilization with this.The curvilinear motion of hydraulic coupling follower stroke change needed for magnetic valve
Trend can be produced by being pre-designed the geometric parameter of flow path between determination feed pathway and liquid outlet channel.Seat bottom portion
It is provided with end filter screen.This kind of structure prevents that field trash enters in magnetic valve in fluid.The lower end of valve seat 2 and valve body 1 passes through extruding
Deformation is riveted together.
Structure of the present utility model can realize the fluid flow continuously adjusted between feed pathway and liquid outlet channel, improve
Noise characteristic during electromagnetism valve events.
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 (5)
1. a kind of continuous normally closed solenoid valve of new automobile braking, mainly including valve body (1), valve seat (2), be contained in valve body (1)
With the kinetoplast in valve seat (2), kinetoplast insertion valve body (1) is interior, and is located at valve seat (2) top, it is characterized in that：Valve body (1) and kinetoplast
Between be provided with back-moving spring (4), valve seat (2) is internally provided with liquid outlet channel (5), and liquid outlet channel (5) is in up-small and down-big platform
Rank cavernous structure, the upper end of valve seat (2) are provided with the throttle orifice (6) connected with liquid outlet channel (5), and throttle orifice (6) is close to valve seat
(2) inwall of upper end, inclination are in funnel-shaped structure, and the outside both sides of valve seat (2) are provided with feed pathway (7), valve seat (2) bottom
The outer wall of path part is provided with lip-type packing (8), and kinetoplast is made up of dynamic iron (3) and valve rod (10), and both are by being molded shape
Integralization structure, moves the stepped structure in upper end of iron (3), and the internal corresponding position of valve body (1) has corresponding step-like
Structure.
2. the continuous normally closed solenoid valve of new automobile braking according to claim 1, it is characterized in that：On the dynamic iron (3)
The inside at end is provided with back-moving spring mounting hole (9), and back-moving spring (4) is located in back-moving spring mounting hole (9), moves the two of iron (3)
Side has been arranged symmetrically dynamic iron oil groove (11), and the upper end of valve rod (10) is in contact with back-moving spring (4), and the bottom of valve rod (10) is in ball
Coronal structure (12), ball coronal structure (12) are connected on throttle orifice (6) funnelform aperture position, ball coronal structure (12) with
Funnelform throttle orifice (6) opening shape balling-up sealing.
3. the continuous normally closed solenoid valve of new automobile braking according to claim 1 or 2, it is characterized in that：The valve seat (2)
Outside be cased with ring filter screen (13), the upper end of ring filter screen (13) is connected on the inwall of valve body (1), and the lower end of ring filter screen (13) is supported
It is connected on the marginal position of valve seat (2) upper end.
4. the continuous normally closed solenoid valve of new automobile braking according to claim 3, it is characterized in that：On the dynamic iron (3)
The step structure of end margin is followed successively by dynamic iron First terrace (51), dynamic iron second step face (54), dynamic iron cone from top to bottom
Face (55), the internal step-like structure of valve body (1) are followed successively by valve inner First terrace (52), valve inner the from top to bottom
Two step surfaces (53), dynamic iron First terrace (51) are in same level with valve inner First terrace (52), valve body
Internal second step face (53) is less than dynamic iron second step face (54), move the iron conical surface (55) angle of inclination be in 30 °~50 ° it
Between.
5. the continuous normally closed solenoid valve of new automobile braking according to claim 1, it is characterized in that：The valve seat (2) with
The lower end of valve body (1) is riveted together by crimp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720711903.XU CN207005412U (en) | 2017-06-19 | 2017-06-19 | The continuous normally closed solenoid valve of new automobile braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720711903.XU CN207005412U (en) | 2017-06-19 | 2017-06-19 | The continuous normally closed solenoid valve of new automobile braking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207005412U true CN207005412U (en) | 2018-02-13 |
Family
ID=61447518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720711903.XU Active CN207005412U (en) | 2017-06-19 | 2017-06-19 | The continuous normally closed solenoid valve of new automobile braking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207005412U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931407A (en) * | 2018-07-06 | 2019-06-25 | 万向钱潮股份有限公司 | A kind of automobile brake normally open solenoid valve |
-
2017
- 2017-06-19 CN CN201720711903.XU patent/CN207005412U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931407A (en) * | 2018-07-06 | 2019-06-25 | 万向钱潮股份有限公司 | A kind of automobile brake normally open solenoid valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
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. |
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| CP03 | Change of name, title or address |