CN106369171B - Solenoid valve - Google Patents
Solenoid valve Download PDFInfo
- Publication number
- CN106369171B CN106369171B CN201610729094.5A CN201610729094A CN106369171B CN 106369171 B CN106369171 B CN 106369171B CN 201610729094 A CN201610729094 A CN 201610729094A CN 106369171 B CN106369171 B CN 106369171B
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- core
- dynamic iron
- iron core
- channel
- elastic component
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
- F16K31/0665—Lift valves with valve member being at least partially ball-shaped
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0686—Braking, pressure equilibration, shock absorbing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The present invention provides a kind of solenoid valves, are particularly applied to the solenoid valve of automobile electronic stabilization system.The solenoid valve includes casing and the armature being plugged in casing, dynamic iron core, promotes core, the first elastic component, the second elastic component and dynamic iron core bracket；The dynamic iron core that bottom end is equipped with sealing is located at the lower section of armature；Inside is equipped with the lower section for promoting core and being set to dynamic iron core of first passage；The bottom end of dynamic iron core bracket is equipped with the first limiting section, and the top for promoting core is equipped with the second limiting section, and the first limiting section, which is used to contradict after rising set distance with the second limiting section, to be cooperated；Casing is equipped with second channel and hook arm, and for being connected to master cylinder channel, the second elastic component is located in hook arm and is promoted between core second channel.The present invention greatly strengthens the conveyance capacity of solenoid valve by using hook arm structure, reduces noise, improve responsiveness, reduce components, greatly reduces cost.
Description
Technical field
The present invention relates to automobile technical field more particularly to a kind of solenoid valves of automobile electronic stabilization system.
Background technique
As shown in Figure 1, a kind of existing solenoid valve, including armature 1, valve pocket 2, the first elastic component 3, dynamic iron core 4, valve casing 5,
Dynamic iron core bracket 6 promotes core 7, filter screen 8, valve seat 9, the second elastic component 10, the second elastic component seat 11, valve base seal 12.It is dynamic
Iron core 4 is set to 1 lower section of armature, and dynamic iron core 4 is equipped with sealing 4-1；It promotes core 7 and is set to 4 lower section of dynamic iron core, promoted and set on core 7
There are small seal receptacle 7-1 and big sealing closing element 7-2；2 one end of valve pocket is connect with 1 welded seal of armature, and the other end and valve casing 5 weld
Connect sealed connection；Valve casing 5 and 9 riveting of valve seat are cooperatively connected, and valve seat 9 is equipped with big seal receptacle 9-1.The top of dynamic iron core bracket 6
With dynamic iron core 4 be interference fitted connect, lower end by the first limiting section 6-1 with promotion core 7 connect, dynamic iron core 4 can be in valve pocket 2 on
Lower slider, the second elastic component seat 11 are equipped with transition passage 11-2, and the second elastic component seat 11 is mounted in valve seat 9 and by filter screen
The outer diameter of 8 axial constraints, the second elastic component seat flange 11-1 constrains the internal diameter of the second elastic component 10,9 upper surface of valve seat
It is by valve seat riveting 9-2 that filter screen 8 is fixed.Solenoid valve is mounted in fluid valve block 30, passes through valve casing 5 and fluid valve block 30
Riveting cooperatively forms external sealing, forms inner sealing by valve base seal 12.Solenoid valve in dynamic iron core 4 by moving down
It is dynamic, so that sealing 4-1 is detached from or is adjacent to small seal receptacle 7-1, to realize the folding of one-step valve；It is driven and is promoted by dynamic iron core 4
Core 7 moves up and down, and makes to seal closing element 7-2 greatly and is detached from or is adjacent to big seal receptacle 9-1, to realize the folding of secondary valve；From
And hydraulic oil is made to enter pump inlet channel 30-2 from master cylinder channel 30-1.
Existing solenoid valve, the second elastic component seat hinder the flowing of hydraulic oil；Second elastic component seat flange and filter screen
Arrangement causes solenoid valve radial dimension bigger than normal, so that automobile electronic stabilization system controller volume and weight be made to increase；It is close
The setting of sealing causes valve seat length to increase, and causes fluid valve block enlarged in thickness；Second elastic component and promotion core phase mutual friction, produce
Raw noise makes solenoid valve bad response.
Summary of the invention
Invention is to solve the technical problem that solenoid valve size is big, circulating resistance is big in the prior art.
To solve the above problems, invention provides a kind of solenoid valve, it is particularly applied to the electricity of automobile electronic stabilization system
Magnet valve.The solenoid valve includes casing and the armature being plugged in described sleeve pipe, dynamic iron core, promotes core, the first elastic component, the second bullet
Property part and dynamic iron core bracket；The dynamic iron core is located at the lower section of the armature and is slidably matched company with the inner wall of described sleeve pipe
It connects, the bottom end of the dynamic iron core is equipped with sealing；First elastic component is set between the armature and the dynamic iron core；It is described
Core is promoted to be set to below the dynamic iron core, the inside for promoting core, which is equipped with, to be axially penetrated through in the first passage for promoting core,
The top of the first passage and the sealing movable sealing cooperate, and the bottom end of the bottom end for promoting core and described sleeve pipe is living
Dynamic sealing cooperation；The upper end of the dynamic iron core bracket is connect with the lower end of the dynamic iron core, and the lower end of the dynamic iron core bracket is set
There are the first limiting section to extend internally, upper end second limiting section with outward extension for promoting core, first limit
Portion, which is used to contradict after rising set distance with second limiting section, to be cooperated, and is offered on the dynamic iron core bracket for being connected to
The oil inlet in master cylinder channel and the first passage；Described sleeve pipe is equipped with second channel and hook arm, and the second channel is set to
The outside for promoting core is used to be connected to master cylinder channel, and the hook arm is set to the top of the second channel, second bullet
Property part be sheathed on promoted core outer side compression be arranged between the hook arm and the promotion core；The bottom end of described sleeve pipe and pump into
The connection of mouth channel.
Wherein, the hook arm is the turnup structure being formed at the top of the second channel.
Wherein, the quantity of hook arm is multiple, and multiple hook arm are circumferentially distributed.
Wherein, the quantity of second channel is multiple, and multiple second channels are circumferentially distributed.
Wherein, second elastic component is volute spring.
Wherein, lesser one end of second elastic component and the promotion core contradict, and second elastic component is biggish
One end and the hook arm contradict.
Wherein, biggish one end of second elastic component and the promotion core contradict, and second elastic component is lesser
One end and the hook arm contradict.
Wherein, the elastic force of first elastic component is greater than second elastic component.
Wherein, the armature bottom or the dynamic iron core top are equipped with cavity, and the cavity is for placing first bullet
Property part.
The present invention supports the second elastic component by using the hook arm being set to above second channel, make second channel to pump into
Runner between mouthful channel is unblocked, substantially reduces flow resistance, enhances the conveyance capacity of solenoid valve；It also reduces simultaneously
Components in solenoid valve, reduce the volume and weight of solenoid valve, greatly reduce cost.
Detailed description of the invention
Fig. 1 is the sectional view of solenoid valve in the prior art；
Fig. 2 is the structure sectional view of solenoid valve in the embodiment of the present invention 1；
Fig. 3 is the main view of the valve seat in the embodiment of the present invention 1；
Fig. 4 is the shaft side figure of the valve seat in the embodiment of the present invention 1.
Description of symbols：
1, armature；2, valve pocket；3, the first elastic component；4, dynamic iron core；4-1, sealing；
5, valve casing；6, dynamic iron core bracket；6-1, the first limiting section；7, core is promoted；
7-1, small seal receptacle；7-2, closing element is sealed greatly；7-3, the second limiting section；
7-4, third limiting section；7-5, first passage；8, filter screen；9, valve seat；
9-1, big seal receptacle；9-2, valve seat riveting；9-4, second channel；9-5 hooks arm；
9-6, boss；10, the second elastic component；11, the second elastic component seat；
11-1, the second elastic component seat flange；11-2, transition passage；
12, valve base seal；30, fluid valve block；30-1, master cylinder channel；
30-2, pump inlet channel.
Specific embodiment
To keep the purposes, technical schemes and advantages of invention clearer, below in conjunction with the attached drawing in invention, in invention
Technical solution be explicitly described, it is clear that described embodiment is invention a part of the embodiment, rather than whole realities
Apply example.It is obtained by those of ordinary skill in the art without making creative efforts based on the embodiment in invention
Every other embodiment belongs to the range of invention protection.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.Term " on ",
The orientation or positional relationship of the instructions such as "lower", "inner", "outside", " top ", " bottom end " is orientation based on the figure or position
Relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
There is specific orientation, be constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
It should be noted that unless otherwise clearly defined and limited, term " connection " shall be understood in a broad sense, for example, can
To be to be fixedly connected, may be a detachable connection, or be integrally connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected.For the ordinary skill in the art, tool of the above-mentioned term in invention can be understood with concrete condition
Body meaning.
Embodiment 1
In conjunction with shown in Fig. 2 to 4, a kind of solenoid valve provided in an embodiment of the present invention including casing and is plugged in casing
Armature 1, promotes core 7, the first elastic component 3, the second elastic component 10 and dynamic iron core bracket 6 at dynamic iron core 4.
Casing is equipped with second channel 9-4 and hook arm 9-5, and second channel 9-4, which is set to, to be promoted the outside of core 7, is used for and master
Cylinder channel 30-1 connection, hook arm 9-5 be set to second channel 9-4 top, the second elastic component 10 be sheathed on promoted core 7 outside,
And setting is compressed in hook arm 9-5 and is promoted between core 7；The bottom end of casing is connected to pump inlet channel 30-2.For example, casing is point
Body formula structure, is made of valve pocket 2 and valve seat 9, and valve seat 9 and valve pocket 2 are hollow structure.The upper end of valve pocket 2 be inserted with armature 1,
And it is connect by welding manner with the lower end of armature 1；The lower end of valve pocket 2 is plugged in the upper end of valve seat 9 and passes through welding manner
It is connect with the upper end of valve seat 9.Valve seat 9 is equipped with hook arm 9-5 and second channel 9-4；Hook arm 9-5 is the flange to extend internally, and
Set on the top of second channel 9-4, hook arm 9-5 medial surface is slidably matched with 7 lateral surface of core is promoted, bootable about 7 promotion core
Mobile, the upper side of hook arm 9-5 is equipped with the second elastic component 10；Second channel 9-4 is set to the outside for promoting core 7 and and master cylinder
Channel 30-1 connection；The bottom end of valve seat 9 is equipped with boss 9-6, is interference fitted on the outside of boss 9-6 with fluid valve block 30, in boss 9-6
Side is connected to pump inlet channel 30-2；9 outer sheath of valve seat is equipped with filter screen 8, may filter that barrier enters the from master cylinder channel 30-1
Impurity in two channel 9-4 hydraulic oil.
Dynamic iron core 4 is located at the lower section of armature 1 and is slidably connected with the inner wall of casing, and the bottom end of dynamic iron core 4 is equipped with close
Envelope portion 4-1；First elastic component 3 is set between armature 1 and dynamic iron core 4；Wherein, 1 bottom end of armature or 4 top of the dynamic iron core
Equipped with cavity, the cavity is for placing first elastic component 3.For example, the upper end diameter of dynamic iron core 4 is greater than lower end diameter,
And 4 top of dynamic iron core is equipped with cavity, is placed with spring i.e. the first elastic component 3 in cavity.Dynamic iron core 4 is set in valve pocket 2 and position
Compressive deformation occurs for the spring in the lower section of armature 1, and between armature 1 and dynamic iron core 4；In 4 upper end of dynamic iron core and valve pocket 2
Side is slidably matched, it can be achieved that dynamic iron core 4 moves up and down under the drive of armature 1；4 lower end of dynamic iron core is set in by interference fit
6 upper end of dynamic iron core bracket, 4 bottom end of dynamic iron core are equipped with hemisphere jut, that is, sealing 4-1.
It promotes core 7 and is set to 4 lower section of dynamic iron core, the inside for promoting core 7, which is equipped with, to be axially penetrated through in the first passage 7- for promoting core 7
The top of 5, first passage 7-5 and sealing 4-1 movable sealing cooperate, and promote upper end the second limit with outward extension of core 7
The bottom end movable sealing of position portion 7-3, the bottom end and casing that promote core 7 cooperate；For example, promoting 7 top of core is equipped with groove, it is convenient for liquid
Pressure oil deposition；Promote 7 upper end of core the second limiting section 7-3 with outward extension and third limiting section 7-4, the second limiting section 7-3
Radial dimension be greater than third limiting section 7-4 radial dimension, and the second limiting section 7-3 be set to third limiting section 7-4 above；It mentions
Through-hole, that is, first passage 7-5 that variable diameters are equipped with inside core 7 is risen, the through-hole of variable diameters is by the small-bore channel and position positioned at upper end
It is formed in the large aperture channel of lower end；The top in small-bore channel is set to the underface in groove and being located at sealing 4-1, macropore
The bottom end in diameter channel is connected to pump inlet channel 30-2；Second elastic component 10 is set to hook arm 9-5 upper side and third limiting section 7-4
Between bottom end, third limiting section 7-4 can constrain the axial movement of the second elastic component 10；Promote 7 Basolateral face of core and 9 bottom of valve seat
Hold the cooperation of medial surface movable sealing.
The upper end of dynamic iron core bracket 6 is connect with the lower end of dynamic iron core 4, and the lower end of dynamic iron core bracket 6, which is equipped with, to extend internally
First limiting section 6-1, the first limiting section 6-1, which is used to contradict after rising set distance with the second limiting section 7-3, to be cooperated, dynamic iron core
The oil inlet for being connected to master cylinder channel 30-1 and first passage 7-5 is offered on bracket 6；For example, dynamic iron core bracket 6 is equipped with
Oil inlet, 6 lower end of dynamic iron core bracket are equipped with flange i.e. the first limiting section 6-1 to extend internally.Dynamic iron core bracket 6 is set in valve pocket
In 2, and there is gap between valve pocket 2, to ensure that hydraulic oil flows into oil inlet by second channel 9-4 by gap；It is promoted
Second limiting section 7-3 is sheathed in dynamic iron core bracket 6 in core 7, and outside the first limiting section 6-1 medial surface and third limiting section 7-4
Side is slidably matched.
Wherein, the second elastic component 10 is volute spring.Wherein, lesser one end of the second elastic component 10 is supported with core 7 is promoted
Touching, the biggish one end of the second elastic component 10 and hook arm 9-5 are contradicted.For example, volute spring small end is set under third limiting section 7-4
Side, volute spring big end are set to above hook arm 9-5, to make third limiting section 7-4 only and need to extend outwardly relatively short distance i.e. reducible
The axial movement of the second elastic component of beam 10, substantially reduces the radial dimension of solenoid valve.
Wherein, hook arm 9-5 is the turnup structure being formed at the top of second channel 9-4.For example, by clicking technique in valve seat
Rectangular opening is opened up on 9, forms second channel 9-4；And when punching, retain the part valve seat on rectangular opening top before punching
9 outer wall, and its inside bending is formed by hook arm 9-5 by bending technique；To save material, production work is in turn simplified
Skill.
Wherein, the quantity of hook arm 9-5 is multiple, and multiple hook arm 9-5 are circumferentially distributed.It is evenly distributed with for example, valve seat 9 is circumferential
4 hook arm 9-5, and the height of 4 hook arm 9-5 is consistent, so that hook arm 9-5 be enable to stablize the second elastic component 10 of support, drop
Low second elastic component 10 and the friction between core 7 is promoted, extends the service life of solenoid valve.
Wherein, the quantity of second channel 9-4 is multiple, and multiple second channel 9-4 are circumferentially distributed.For example, 9 circumferential direction of valve seat,
4 second channel 9-4 are evenly distributed with below hook arm 9-5, and the height of 4 second channel 9-4 is consistent, to increase
Master cylinder channel 30-1 enters the hydraulic fluid flow rate of second channel 9-4.
Wherein, the elastic force of the first elastic component 3 is greater than the second elastic component 10.For example, the first elastic component 3 and the second elastic component 10
It is spring, the first elastic component 3 is in armature 1 and is promoted between core 7 in compressive state, generates downward elastic force；Second elasticity
Part 10 is in hook arm 9-5 and is promoted between core 7 in compressive state, generates upward elastic force；The elastic force of first elastic component 3 is greater than the
The elastic force of two elastic components 10, to ensure that first passage 7-5 and sealing 4-1 when solenoid valve is not powered on, the bottom end for promoting core 7
It is kept in contact with the bottom end of casing, avoids the leakage of hydraulic oil.
The solenoid valve of the present embodiment is in use, especially apply in automobile electronic stabilization system：
Under normal circumstances, i.e., when solenoid valve electromagnetic coil is not powered on, since the elastic force of the first elastic component 3 is greater than the second bullet
Property part 10 elastic force, dynamic iron core 4 towards promoted core 7 move down, make 4 bottom end of dynamic iron core sealing 4-1 and promoted 7 top of core
Sealing cooperation, i.e. first passage 7-5 closure；Dynamic iron core 4 pushes the dynamic core 7 that promoted towards pump inlet channel 30-2 to moving down simultaneously
It is dynamic, make to promote 7 bottom end of core and 9 bottom end seal of valve seat cooperates, i.e. second channel 9-4 closure.
In the case where solenoid valve electromagnetic coil is powered, if master cylinder channel 30-1 is in low hydraulic coupling state, armature 1 is produced
The elastic force of raw electromagnetic force and the second elastic component 10 overcomes the elastic force of the first elastic component 3 to lead to master cylinder channel 30-1 and pump inlet
Pressure difference between road 30-2 moves up dynamic iron core 4 towards armature 1, the sealing 4-1 and promotion core 7 of 4 bottom end of dynamic iron core
Top generates gap, i.e. first passage 7-5 is opened, to keep hydraulic oil logical from first by the oil inlet on dynamic iron core bracket 6
Road 7-5 flows into pump inlet channel 30-2；After dynamic iron core 4 rises set distance, pass through the first limiting section 6- on dynamic iron core bracket 6
1 contradicts cooperation with the second limiting section 7-3 promoted on core 7, and the drive of dynamic iron core 4 promotes core 7 and moves up towards 1 direction of armature,
Make to promote 7 bottom end of core and 9 bottom end of valve seat generation gap, i.e. second channel 9-4 is opened, so that hydraulic oil be made to pass through second channel 9-
4 flow into pump inlet channel 30-2.
In the case where solenoid valve electromagnetic coil is powered, if master cylinder channel 30-1 is in high hydraulic coupling state, due to master
Pressure difference between cylinder channel 30-1 and pump inlet channel 30-2 is very big, the electromagnetic force that armature 1 generates and the second elastic component 10
Elastic force can only overcome the elastic force of the first elastic component 3 and cannot overcome the pressure between master cylinder channel 30-1 and pump inlet channel 30-2
Difference, so that dynamic iron core 4 can only be made to move up towards armature 1, make the sealing 4-1 of 4 bottom end of dynamic iron core and promote the production of 7 top of core
Raw gap, i.e. first passage 7-5 are opened, and are flowed into hydraulic oil from first passage 7-5 by the oil inlet on dynamic iron core bracket 6 and are pumped
Intake channel 30-2；It cannot be driven due to promoting core 7, promote 7 bottom end of core and 9 bottom end of valve seat still seals cooperation, i.e., second
Channel 9-4 closure；After hydraulic oil flows into pump inlet channel 30-2 for a period of time by first passage 7-5, master cylinder channel 30-1
Pressure difference between the 30-2 of pump inlet channel can drop to predetermined value hereinafter, dynamic iron core 4 passes through first on dynamic iron core bracket 6
The second limiting section 7-3 on limiting section 6-1 and promotion core 7, which is contradicted, to be cooperated, and is driven and is promoted core 7 towards the movement of 1 direction of armature, makes to mention
It rises 7 bottom end of core and 9 bottom end of valve seat generates gap, is i.e. second channel 9-4 is opened, so that hydraulic oil be made to flow by second channel 9-4
Enter pump inlet channel 30-2.
In the case where solenoid valve electromagnetic coil is powered, if master cylinder channel 30-1 is in no pressure or the lower state of pressure
When, armature 1 generate electromagnetic force and the second elastic component 10 elastic force overcome the first elastic component 3 elastic force and master cylinder channel 30-1 and
Pressure difference between the 30-2 of pump inlet channel, moves up dynamic iron core 4 towards armature 1 rapidly, the sealing of 4 bottom end of dynamic iron core
4-1 and promotion 7 top of core generate gap, i.e. first passage 7-5 is opened；Due to master cylinder channel 30-1 and pump inlet channel 30-2 it
Between pressure difference with respect to electromagnetic force very little, under the elastic force effect of the second elastic component 10, promote core 7 towards dynamic iron core 4 to moving up
It is dynamic, make the sealing 4-1 of 4 bottom end of dynamic iron core and promotes the cooperation of 7 end sealing of core, i.e. first passage 7-5 closure, meanwhile, it is promoted
7 bottom end of core and 9 bottom end of valve seat generate gap, i.e. second channel 9-4 is opened, so that hydraulic oil be made to flow by second channel 9-4
Pump inlet channel 30-2.
The present invention supports the second elastic component by using the hook arm being set to above second channel, make second channel to pump into
Runner between mouthful channel is unblocked, substantially reduces flow resistance, enhances the conveyance capacity of solenoid valve；It also reduces simultaneously
Components in solenoid valve, reduce the volume and weight of solenoid valve, greatly reduce cost；Other second elastic component uses
Pyramidal structure is the radial dimension for reducing solenoid valve, and reduces friction, reduces noise.
Embodiment 2
The present embodiment and solenoid valve described in embodiment 1 are essentially identical, not for part the present embodiment same as Example 1
It repeats again, the difference is that：Biggish one end of the second elastic component 10 and promotion core 7 contradict in the present embodiment, the second bullet
Property the lesser one end of part 10 and hook arm 9-5 contradict.
For example, volute spring big end is set to below third limiting section 7-4, volute spring small end is set to above hook arm 9-5, from
And substantially reduce the resistance for the oil inlet that hydraulic oil is set on dynamic iron core bracket 6 from second channel 9-4 flow direction.
The present invention supports the second elastic component by using the hook arm being set to above second channel, make second channel to pump into
Runner between mouthful channel is unblocked, substantially reduces flow resistance, enhances the conveyance capacity of solenoid valve；It also reduces simultaneously
Components in solenoid valve, reduce the volume and weight of solenoid valve, greatly reduce cost；Other second elastic component uses
Pyramidal structure reduces flow resistance, and reduces friction, reduces noise.
Finally it should be noted that：Above embodiments are only to illustrate the technical solution of invention, rather than its limitations；Although ginseng
Invention is described in detail according to previous embodiment, those skilled in the art should understand that：It still can be right
Technical solution documented by foregoing embodiments is modified or equivalent replacement of some of the technical features；And this
It modifies or replaces, the spirit and scope for each embodiment technical solution of invention that it does not separate the essence of the corresponding technical solution.
Claims (9)
1. a kind of solenoid valve including casing and the armature (1) being plugged in described sleeve pipe, dynamic iron core (4), promotes core (7), first
Elastic component (3), the second elastic component (10) and dynamic iron core bracket (6)；The dynamic iron core (4) be located at the armature (1) lower section,
And be slidably connected with the inner wall of described sleeve pipe, the bottom end of the dynamic iron core (4) is equipped with sealing (4-1)；First bullet
Property part (3) compress be arranged between the armature (1) and the dynamic iron core (4)；The promotion core (7) is set to the dynamic iron core
(4) lower section, the inside for promoting core (7), which is equipped with, to be axially penetrated through in the first passage (7-5) for promoting core (7), and described the
The top in one channel (7-5) and the sealing (4-1) movable sealing cooperate, the bottom end for promoting core (7) and described sleeve pipe
Bottom end movable sealing cooperation；The upper end of the dynamic iron core bracket (6) is connect with the lower end of the dynamic iron core (4), the dynamic iron
The lower end of core support (6) is equipped with the first limiting section (6-1) to extend internally, and the upper end for promoting core (7), which is equipped with, to extend outwardly
The second limiting section (7-3), first limiting section (6-1) is used for after rising set distance and the second limiting section (7-
3) cooperation is contradicted, is offered on the dynamic iron core bracket (6) for being connected to master cylinder channel (30-1) and the first passage (7-5)
Oil inlet, which is characterized in that described sleeve pipe be equipped with second channel (9-4) and hook arm (9-5), the second channel (9-4)
It set on the outside for promoting core (7), is used to be connected to master cylinder channel (30-1), it is logical that the hook arm (9-5) is set to described second
The top in road (9-4), second elastic component (10), which is sheathed on the outside for promoting core (7) and compresses, to be arranged in the hook arm (9-
5) between the promotion core (7)；The bottom end of described sleeve pipe is connected to pump inlet channel (30-2).
2. solenoid valve according to claim 1, which is characterized in that the hook arm (9-5) is to be formed in the second channel
Turnup structure at the top of (9-4).
3. solenoid valve according to claim 1, which is characterized in that the quantity of the hook arm (9-5) be it is multiple, it is multiple described
Hook arm (9-5) is circumferentially distributed.
4. solenoid valve according to claim 1, which is characterized in that the quantity of the second channel (9-4) be it is multiple, it is multiple
The second channel (9-4) is circumferentially distributed.
5. solenoid valve according to claim 1, which is characterized in that second elastic component (10) is volute spring.
6. solenoid valve according to claim 5, which is characterized in that lesser one end of second elastic component (10) and institute
It states and promotes core (7) conflict, the biggish one end of second elastic component (10) and the hook arm (9-5) are contradicted.
7. solenoid valve according to claim 5, which is characterized in that biggish one end of second elastic component (10) and institute
It states and promotes core (7) conflict, the lesser one end of second elastic component (10) and the hook arm (9-5) are contradicted.
8. solenoid valve according to claim 1, which is characterized in that the elastic force of first elastic component (3) is greater than described the
Two elastic components (10).
9. solenoid valve according to claim 1, which is characterized in that the bottom end of the armature (1) or the dynamic iron core (4)
Top is equipped with cavity, and the cavity is for placing first elastic component (3).
Priority Applications (1)
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| CN201610729094.5A CN106369171B (en) | 2016-08-25 | 2016-08-25 | Solenoid valve |
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| CN106369171B true CN106369171B (en) | 2018-11-20 |
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| CN108180874B (en) * | 2017-11-30 | 2020-09-01 | 简式国际汽车设计（北京）有限公司 | Normally-closed valve stroke measuring device and method |
| CN113418010A (en) * | 2021-06-17 | 2021-09-21 | 韩松 | Hydrogen spraying valve assembly structure |
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|---|---|---|---|---|
| CN1760575A (en) * | 2004-10-15 | 2006-04-19 | 罗伯特.博世有限公司 | Electromagnetically controllable valve, especially the valve for braking force apparatus on vehicle |
| CN201851753U (en) * | 2010-10-25 | 2011-06-01 | 浙江万向精工有限公司 | Improved ESP (Electronic Stability Program) delivery valve |
| CN102168771A (en) * | 2011-02-24 | 2011-08-31 | 芜湖伯特利电子控制***有限公司 | Solenoid valve structure |
| CN102741599A (en) * | 2010-02-03 | 2012-10-17 | 凯尔西-海耶斯公司 | Electromagnetic valve |
| EP2821683A2 (en) * | 2013-06-27 | 2015-01-07 | Walvoil S.p.A. | Pressure regulating valve |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1760575A (en) * | 2004-10-15 | 2006-04-19 | 罗伯特.博世有限公司 | Electromagnetically controllable valve, especially the valve for braking force apparatus on vehicle |
| CN102741599A (en) * | 2010-02-03 | 2012-10-17 | 凯尔西-海耶斯公司 | Electromagnetic valve |
| CN201851753U (en) * | 2010-10-25 | 2011-06-01 | 浙江万向精工有限公司 | Improved ESP (Electronic Stability Program) delivery valve |
| CN102168771A (en) * | 2011-02-24 | 2011-08-31 | 芜湖伯特利电子控制***有限公司 | Solenoid valve structure |
| EP2821683A2 (en) * | 2013-06-27 | 2015-01-07 | Walvoil S.p.A. | Pressure regulating valve |
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