CN106402408A - Electromagnetic valve of automatic gearbox - Google Patents
Electromagnetic valve of automatic gearbox Download PDFInfo
- Publication number
- CN106402408A CN106402408A CN201610774535.3A CN201610774535A CN106402408A CN 106402408 A CN106402408 A CN 106402408A CN 201610774535 A CN201610774535 A CN 201610774535A CN 106402408 A CN106402408 A CN 106402408A
- Authority
- CN
- China
- Prior art keywords
- valve
- push rod
- iron core
- valve body
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 239000004033 plastic Substances 0.000 claims abstract description 24
- 229920003023 plastic Polymers 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 16
- 239000003921 oil Substances 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 48
- 230000005291 magnetic effect Effects 0.000 claims description 32
- 239000012530 fluid Substances 0.000 claims description 20
- 239000010949 copper Substances 0.000 claims description 19
- 229910052802 copper Inorganic materials 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 230000003068 static effect Effects 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 150000001879 copper Chemical class 0.000 claims description 3
- 230000005292 diamagnetic effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000036316 preload Effects 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000004806 packaging method and process Methods 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 14
- 238000001914 filtration Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- 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
- F16K1/14—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 with ball-shaped valve member
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0245—Construction of housing; Use of materials therefor of lift valves with ball-shaped valve members
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/029—Electromagnetically actuated valves
-
- 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
-
- 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
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0221—Valves for clutch control systems; Details thereof
Abstract
The invention discloses an electromagnetic valve of an automatic gearbox. The electromagnetic valve comprises a valve body with a valve cavity and an electromagnetic coil assembly. A hydraulic oil opening P and a hydraulic oil opening A are machined in the valve body. A valve element assembly is installed in the valve cavity of the valve body. The valve body is a plastic valve body formed by processing plastic. The valve element assembly is composed of a steel ball, a plastic valve stopper and an ejector rod, wherein the steel ball and a one-way oil opening in the valve cavity can form steel-plastic type soft sealing cooperation, and the ejector rod is used for axially pushing the steel ball to open the one-way oil opening so that an oil path between the opening P and the opening A can be through. An oil hole is formed in the plastic valve stopper, the electromagnetic coil assembly and the valve body are connected into a whole through a plastic sealing body, the tail end of the ejector rod extends into the electromagnetic coil assembly, and the electromagnetic coil assembly controls the ejector rod to push the steel ball through combination of electromagnetic force and spring force. The valve body is fixedly provided with a filter net connector which can enable the electromagnetic valve of the automatic gearbox and a speed changer valve plate to achieve quick insertion type installation. The filter net connector is provided with a filter net for filtering hydraulic oil flowing through the opening A and the opening P.
Description
Technical field
The present invention relates to a kind of parts of automatic gear-box, specifically a kind of automatic gear-box magnetic valve.
Background technology
Gearbox employed in automobile, progressively replaces manual transmission by automatic gear-box, particularly in medium-to-high grade car
In nearly all employ automatic gear-box.Modern Vehicle Engine electronic control system is more and more tended to select magnetic valve
As actuator, this is because magnetic valve can directly control distributive value and injection timing, part injection rate can also use electromagnetism
Valve is realizing.So, three item controlled only have an actuator and just can complete, and the hardware making whole electronic system can
To greatly simplify, therefore, magnetic valve is one of of paramount importance parts in current automatic gear-box.Still further aspect, switch
Formula magnetic valve is fairly simple, and drive control part is simple more than actuators such as stepper motor, proportion electro-magnets.
Using magnetic valve as the electric-control system of engine actuator, its Main Function is the break-make of oil circuit control, makes
With during magnetic valve open and close frequently, this requires the good axiality of the holding between each moving component, and moving component is got over
Many, the holding of its axiality is more difficult, and processing, assembly difficulty are also big, and the production cost of product is also higher.Once cannot keep
Good axiality between moving component, will affect performance and the service life of magnetic valve, and then affects whole engine
Performance.
Content of the invention
The technical problem to be solved is the present situation for prior art, and provides structure simple, service life
Long, part processing precision is required low, and be quick on the draw, good stability and enable a kind of automatic gear-box electricity of quick assembling
Magnet valve.
The present invention solves the technical scheme that adopted of above-mentioned technical problem：A kind of automatic gear-box magnetic valve, including axle
The electromagnetic coil assembly be connected to the valve body added with valve pocket and with this valve body, the side face radial direction of valve body is machined with the liquid of connection valve pocket
Force feed mouth P mouth, the front accent of this valve pocket constitutes hydraulic oil port A mouth, is provided with core assembly in the valve pocket of valve body, and valve body is to adopt
With the plastics valve body of plastics forming, core assembly is moulded with formula soft seal from can form steel with the unidirectional hydraulic fluid port in valve pocket
Steel ball and for plastics valve plug that steel ball is actively positioned in valve pocket and be used for axially promoting steel ball to open unidirectional hydraulic fluid port
Make the push rod composition of the oil circuit insertion between P mouth and A mouth；Plastics valve plug forms oil-through hole, electromagnetic coil assembly through plastic-sealed body with
Valve body is connected as a body, and the tail end sealing of push rod slidably extend in electromagnetic coil assembly, and this electromagnetic coil assembly passes through electricity
Magnetic force and spring force combination control push rod to promote steel ball；On valve body, fixed cover is furnished with can make automatic gear-box magnetic valve and speed changer
Valve plate realizes the filter screen connector of fast-spliced installation, and filter screen connector is equipped and the hydraulic oil flowing through A mouth and P mouth is carried out
The filter screen filtering.
The technical measures optimizing also include：
The tail accent of above-mentioned valve body valve pocket is pressed with the copper seat that can play diamagnetic effect, the center processing of this copper seat through plastic-sealed body
Promising push rod slides axially provides the copper seat guide hole of guide effect, and is machined with the profit using the lubricious push rod of hydraulic oil on copper seat
Lubrication hole, being provided with plastic-sealed body is slided with push rod wears the tip-lever support of cooperation.
On the above-mentioned outer peripheral face of filter screen connector, relatively close front end is machined with annular seal grooves, and this ring packing is recessed
It is installed with the first sealing ring preventing hydraulic fluid leak with speed changer valve plate plug-in type after installing, outside filter screen connector in groove
On side face, relatively close rear end is machined with annular channel, is provided with this annular channel after installing with speed changer valve plate plug-in type
Prevent the second sealing ring of hydraulic fluid leak.
Above-mentioned electromagnetic coil assembly includes coil case, solenoid, dynamic iron core group and static iron core；Coil case is molded
There are center stepped hole and the annular assembly cavity around center stepped hole at the center of being in, solenoid is fixedly mounted on annular assembling
In chamber, dynamic iron core group is slidingly arranged in center stepped hole, and static iron core is fixedly mounted on the front end of coil case.
Liquid-tight envelope is connected to a fixed the front end face of above-mentioned static iron core with the rear end of plastic-sealed body, the center processing of this static iron core
There is the slide opening that the liquid-tight envelope of tail end making push rod slides through, the rear end face of push rod and dynamic iron core group are detachable phase apical grafting.
Above-mentioned iron core group is made up of thick push rod, front spring, rear spring and dynamic iron core；Dynamic iron core is fixedly set in thick push rod
On, the leading portion of this thick push rod and back segment all extend dynamic iron core, and front spring is sleeved on the leading portion of thick push rod, and rear spring is sleeved on slightly
The back segment of push rod, the bottom surface phase apical grafting of the positioning shrinkage pool that the rear end face of push rod and thick push rod front end face are formed with.
Above-mentioned dynamic iron core is fixedly set on thick push rod by the way of aluminium backing and thick push rod interference fit, front spring
Front end and static iron core phase apical grafting, the rear end of this front spring is contacted with aluminium backing matches, and the tail mouth of center stepped hole is provided with
The rear spring seat of spring pre-tightening pressure after adjustable, the bottom surface phase apical grafting of the front end of rear spring and the spring eye of thick push rod, after this
Matched with rear spring seat apical grafting in the rear end of spring.
The rear end of above-mentioned solenoid connects promising solenoid provides the inserted sheet of power supply, and the rear end of coil case is provided with
The socket cover of protection is provided for inserted sheet.
A kind of automatic gear-box magnetic valve of the present invention, its valve body is made using plastic processing, the steel ball in valve body and valve
The unidirectional hydraulic fluid port in chamber enables the soft seal assembling structure of the moulding formula of steel, thus good seal performance, can ensure to greatest extent to produce
The quality of product.The tail accent of valve body valve pocket is pressed with copper seat through plastic-sealed body, and copper seat can play good guide effect and have very
Good diamagnetism.The automatic gear-box electromagnetic valve body of the present invention pass through install filter screen connector moreover it is possible to speed changer valve plate
Realize quick plug-in type to install, make automatic gear-box magnetic valve easier for installation, automatic gear-box magnetic valve passes through electromagnetism
The magnetic force that coil block energising produces drives push rod motion, realizes Electromagnetic Control P mouth and the break-make of A mouth hydraulic circuit.The present invention
Push rod and dynamic iron core group be detachable design structure it is thus possible to avoid traditional push rod and dynamic iron core group Integral design needs
The high defect of axiality, thus reduce the machining accuracy of product, decrease processing cost.
Present configuration is simple, long service life, part processing precision is required low, good stability and enable fast quick-mounting
Join, be particularly well-suited to the fast automatic gear-box of BMW 6 and use.
Brief description
Fig. 1 is the cross section structure diagram of the present invention；
Fig. 2 is the dimensional decomposition structure diagram of the present invention；
Fig. 3 is the perspective view of the present invention；
Fig. 4 is the perspective view of copper seat in Fig. 1.
Specific embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
It is the structural representation of the present invention as shown in Figures 1 to 4,
Reference therein is：Valve body 1, valve pocket 1a, unidirectional hydraulic fluid port 1b, steel ball 21, plastics valve plug 22, push rod 23, copper seat 24,
Copper seat guide hole 24a, oilhole 24b, tip-lever support 25, plastic-sealed body 3, electromagnetic coil assembly 4, coil case 41, center stepped hole
41a, annular assembly cavity 41b, solenoid 42, dynamic iron core group 43, positioning shrinkage pool 43a, thick push rod 431, front spring 432, rear bullet
Spring 433, dynamic iron core 434, aluminium backing 435, static iron core 44, rear spring seat 45, inserted sheet 46, socket cover 47, filter screen connector 5, ring
Shape sealed groove 51, annular channel 52, the first sealing ring 61, the second sealing ring 62.
As shown in Figures 1 to 4,
A kind of automatic gear-box magnetic valve of the present invention, including axially added with the valve body 1 of valve pocket 1a with the electricity that is connected with this valve body 1
Magnetic coil assemblies 4, the side face radial direction of valve body 1 is machined with the hydraulic oil port P mouth of connection valve pocket 1a, and the front accent of this valve pocket 1a is constituted
Hydraulic oil port A mouth, is provided with core assembly, the valve body 1 of the present invention is using plastics forming in the valve pocket 1a of valve body 1
Plastics valve body, the valve body 1 that plastics are made it can be avoided that the interference of electromagnetism, thus improving the stability of valve.Can from Fig. 1
Arrive, in the valve pocket 1a of valve body 1, form unidirectional hydraulic fluid port 1b, in order to control the oil circuit between P mouth and A mouth,
Core assembly moulds steel ball 21 with formula soft seal and for will from can form steel with the unidirectional hydraulic fluid port 1b in valve pocket 1a
Plastics valve plug 22 that steel ball 21 is actively positioned in valve pocket 1a and make P mouth for axially promoting steel ball 21 to open unidirectional hydraulic fluid port 1b
The push rod 23 of the oil circuit insertion and between A mouth forms；Plastics valve plug 22 forms oil-through hole, smooth to ensure the oil circuit between P mouth and A mouth
Logical.
The electromagnetic coil assembly 4 of the present invention is connected as a body with valve body 1 through plastic-sealed body 3, and the tail end sealing of push rod 23 slides
Extend in electromagnetic coil assembly 4, this electromagnetic coil assembly 4 pass through electromagnetic force and spring force combination control push rod 23 promote steel
Pearl 21；On valve body 1, fixed cover is furnished with can make automatic gear-box magnetic valve and speed changer valve plate realize the filter of fast-spliced installation
Net connector 5, filter screen connector 5 is equipped with the filter screen that the hydraulic oil flowing through A mouth and P mouth is filtered.
The great advantage of the present invention be made of valve body 1 using plastic processing, the steel ball 21 of such rigidity is unidirectional with plastics
Sealing gasket need not be installed between hydraulic fluid port 1b and can achieve good sealing effectiveness, it is soft that formula moulded by the steel that unidirectional hydraulic fluid port 1b is formed with steel ball 21
Sealing cooperation can improve the sealing of this product to greatest extent.And the present invention can not only due to being fitted with filter screen connector 5
The hydraulic oil of turnover is filtered, and the plug-in type Fast Installation of product, automatic gear-box magnetic valve and change can be realized
It is only necessary to the installing hole that filter screen connector 5 is aligned on speed changer valve plate inserts when fast device valve plate is installed, therefore install non-
Often facilitate, without patent instrument.
In embodiment, refer to Fig. 1 and Fig. 4, the tail accent of the valve body 1 valve pocket 1a of the present invention is pressed with energy through plastic-sealed body 3
Play the copper seat 24 of diamagnetic effect, the center promising push rod 23 of processing of this copper seat 24 slides axially and provides the copper seat of guide effect to lead
Oilhole 24b using the lubricious push rod of hydraulic oil 23 is machined with hole 24a, and copper seat 24, is provided with plastic-sealed body 3 and pushes up
Bar 23 slides and wears the tip-lever support 25 of cooperation.Copper seat 24 is the innovative point again of the present invention, is designed with copper base structure so to push rod
23 can play good guide effect, but also have good diamagnetism.
As depicted in figs. 1 and 2, on the outer peripheral face of filter screen connector 5 of the present invention relatively close front end be machined with annular close
Envelope groove 51, is installed with this annular seal grooves 51 after being installed with speed changer valve plate plug-in type and prevents the of hydraulic fluid leak
One sealing ring 61, on the outer peripheral face of filter screen connector 5, relatively close rear end is machined with annular channel 52, pacifies in this annular channel 52
Equipped with the second sealing ring 62 preventing hydraulic fluid leak with speed changer valve plate plug-in type after installing.The periphery of filter screen connector 5
The opening of sieve being communicated with P mouth is additionally provided with face, the front end face of filter screen connector 5 is then designed with the opening of sieve communicating with A mouth, filter
Net designs in opening of sieve, to prevent the impurity in hydraulic oil from entering in valve body.First sealing ring 61 and the second sealing ring 62 are protected
Demonstrate,prove the sealing of automatic gear-box magnetic valve assembling.
In embodiment, the electromagnetic coil assembly 4 of the present invention includes coil case 41, solenoid 42, dynamic iron core group 43 and
Static iron core 44；Coil case 41 forms center stepped hole 41a and the annular assembling around center stepped hole 41a at the center of being in
Chamber 41b, solenoid 42 is fixedly mounted in annular assembly cavity 41b, and dynamic iron core group 43 is slidingly arranged at center stepped hole 41a
In, static iron core 44 is fixedly mounted on the front end of coil case 41.
Liquid-tight envelope is connected to a fixed the front end face of static iron core 44 with the rear end of plastic-sealed body 3, the center processing of this static iron core 44
The slide opening that the liquid-tight envelope of tail end making push rod 23 slides through, the rear end face of push rod 23 and dynamic iron core group 43 is had mutually to push up for detachable
Connect.
Iron core group 43 is made up of thick push rod 431, front spring 432, rear spring 433 and dynamic iron core 434；Dynamic iron core 434 is fixing
It is sleeved on thick push rod 431, the leading portion of this thick push rod 431 and back segment all extend dynamic iron core 434, and front spring 432 is sleeved on slightly
The leading portion of push rod 431, rear spring housing 433 is contained in the back segment of thick push rod 431, the rear end face of push rod 23 and thick push rod 431 front end face
The bottom surface phase apical grafting of the positioning shrinkage pool 43a being formed with.
The push rod 23 of the present invention and thick push rod 431 are detachable design structure, thus are avoided that between them in the added-time
Require the high problem of axiality, therefore, reduce the precision of Product processing, decrease processing cost.
The present invention can produce electromagnetic force after solenoid 42 energising, and this electromagnetic force is in iron core group 43 so as to carry
Dynamic push rod 23 moves.
Dynamic iron core 434 is fixedly set on thick push rod 431 by the way of aluminium backing 435 and thick push rod 431 interference fit,
The front end of front spring 432 and static iron core 44 phase apical grafting, the rear end of this front spring 432 is contacted with aluminium backing 435 matches, zone center
The tail mouth of rank hole 41a is provided with the rear spring seat 45 of adjustable rear spring 433 preload pressure, and the front end of rear spring 433 is pushed up with thick
The bottom surface phase apical grafting of the spring eye of bar 431, is matched with rear spring seat 45 apical grafting in the rear end of this rear spring 433.The present invention is permissible
The preload pressure of spring 433 after rear spring seat 45 is adjusted, thus reach adjust the pressure that unidirectional hydraulic fluid port 1b opens or closes
Size.The present invention is equipped with spring, so the motion energy to dynamic iron core in the both sides that the two ends of thick push rod 431 are dynamic iron core 434
Play the effect of buffering, and this structure enables the noise of this valve to reduce.
The rear end of solenoid 42 connects promising solenoid 42 provides the inserted sheet 46 of power supply, and the rear end of coil case 41 sets
Promising inserted sheet 46 provides the socket cover 47 of protection.
The automatic gear-box magnetic valve of the present invention is a kind of switch electromagnetic valve open in usual, when solenoid 42 no power,
Push rod 23, under rear spring 433 acts on, promotes spring 432 before compression to be moved to the left through thick push rod 431 and pushes steel ball 21 open, make unidirectional
Hydraulic fluid port 1b opens, and turns between P mouth and A mouth, after solenoid 42 is energized, after dynamic iron core 434 is subject to the effect of electromagnetic force to compress
Spring 433 moves right, and so that push rod 23 is moved right and closes unidirectional hydraulic fluid port 1b, and the passage between cut-out P mouth and A mouth plays one and opens
Close oil circuit effect, thus come to realize control clutch.
Present configuration is simple, long service life, part processing precision is required low, good stability and enable fast quick-mounting
Join, be particularly well-suited to the fast automatic gear-box of BMW 6 and use.
Highly preferred embodiment of the present invention illustrates, and the various change made by those of ordinary skill in the art or remodeling are not
Can depart from the scope of the present invention.
Claims (8)
1. a kind of automatic gear-box magnetic valve, including axially added with the valve body (1) of valve pocket (1a) with the electricity that is connected with this valve body (1)
Magnetic coil assemblies (4), the side face radial direction of described valve body (1) is machined with the hydraulic oil port P mouth of connection valve pocket (1a), this valve pocket
(1a) front accent constitutes hydraulic oil port A mouth, is provided with core assembly, its feature in the described valve pocket (1a) of valve body (1)
It is：Described valve body (1) is the plastics valve body using plastics forming, described core assembly by can with valve pocket (1a) in
Unidirectional hydraulic fluid port (1b) forms steel and moulds the steel ball (21) of formula soft seal cooperation and for steel ball (21) is actively positioned at valve pocket
(1a) plastics valve plug (22) in and make the oil circuit between P mouth and A mouth for axially promoting steel ball (21) to open unidirectional hydraulic fluid port (1b)
Push rod (23) composition of insertion；Described plastics valve plug (22) forms oil-through hole, and described electromagnetic coil assembly (4) is through plastic packaging
Body (3) is connected as a body with valve body (1), and the tail end sealing of described push rod (23) slidably extend into electromagnetic coil assembly (4)
In, this electromagnetic coil assembly (4) passes through electromagnetic force and spring force combination controls push rod (23) to promote steel ball (21)；Described valve body
(1) upper fixed cover is furnished with can make automatic gear-box magnetic valve and speed changer valve plate realize the filter screen connector of fast-spliced installation
(5), described filter screen connector (5) is equipped with the filter screen that the hydraulic oil flowing through A mouth and P mouth is filtered.
2. a kind of automatic gear-box magnetic valve according to claim 1, is characterized in that：Described valve body (1) valve pocket (1a)
Tail accent be pressed with the copper seat (24) that can play diamagnetic effect through plastic-sealed body (3), the center of this copper seat (24) processes promising top
Bar (23) slides axially provides copper seat guide hole (24a) of guide effect, and is machined with lubricious using hydraulic oil on copper seat (24)
The oilhole (24b) of push rod (23), being provided with described plastic-sealed body (3) is slided with push rod (23) wears the tip-lever support of cooperation
(25).
3. a kind of automatic gear-box magnetic valve according to claim 2, is characterized in that：Described filter screen connector (5)
On outer peripheral face, relatively close front end is machined with annular seal grooves (51), be installed with this annular seal grooves (51) with speed change
Device valve plate plug-in type prevents first sealing ring (61) of hydraulic fluid leak after installing, the outer peripheral face of described filter screen connector (5)
Upper relatively close rear end is machined with annular channel (52), is provided with and is pacifying with speed changer valve plate plug-in type in this annular channel (52)
Second sealing ring (62) of hydraulic fluid leak is prevented after dress.
4. a kind of automatic gear-box magnetic valve according to claim 3, is characterized in that：Described electromagnetic coil assembly (4)
Including coil case (41), solenoid (42), dynamic iron core group (43) and static iron core (44)；Described coil case (41) shaping
There are center stepped hole (41a) and the annular assembly cavity (41b) around center stepped hole (41a) at the center of being in, described electromagnetism
Coil (42) is fixedly mounted in annular assembly cavity (41b), and described dynamic iron core group (43) is slidingly arranged at center stepped hole
(41a), in, described static iron core (44) is fixedly mounted on the front end of coil case (41).
5. a kind of automatic gear-box magnetic valve according to claim 4, is characterized in that：The front end of described static iron core (44)
Face is connected to a fixed with the liquid-tight envelope in rear end of plastic-sealed body (3), and the center of this static iron core (44) is machined with the tail end making push rod (23)
The slide opening that liquid-tight envelope slides through, the described rear end face of push rod (23) is detachable phase apical grafting with dynamic iron core group (43).
6. a kind of automatic gear-box magnetic valve according to claim 5, is characterized in that：Described iron core group (43) is by slightly pushing up
Bar (431), front spring (432), rear spring (433) and dynamic iron core (434) composition；Described dynamic iron core (434) is fixedly set in
On thick push rod (431), the leading portion of this thick push rod (431) and back segment all extend dynamic iron core (434), described front spring (432)
It is sleeved on the leading portion of thick push rod (431), described rear spring housing (433) is contained in the back segment of thick push rod (431), described push rod
(23) the bottom surface phase apical grafting of the positioning shrinkage pool (43a) that rear end face is formed with thick push rod (431) front end face.
7. a kind of automatic gear-box magnetic valve according to claim 6, is characterized in that：Described dynamic iron core (434) adopts
The mode of aluminium backing (435) and thick push rod (431) interference fit is fixedly set on thick push rod (431), described front spring
(432) front end and static iron core (44) phase apical grafting, the rear end of this front spring (432) is contacted with aluminium backing (435) matches, described
Center stepped hole (41a) tail mouth be provided with adjustable after spring (433) preload pressure rear spring seat (45), described after
The bottom surface phase apical grafting of the front end of spring (433) and the spring eye of thick push rod (431), the rear end of this rear spring (433) and rear spring
Seat (45) apical grafting matches.
8. a kind of automatic gear-box magnetic valve according to claim 7, is characterized in that：After described solenoid (42)
End connects promising solenoid (42) provides the inserted sheet (46) of power supply, and the rear end of described coil case (41) is provided with as inserted sheet
(46) socket cover (47) of protection is provided.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610774535.3A CN106402408B (en) | 2016-08-31 | 2016-08-31 | A kind of automatic gear-box solenoid valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610774535.3A CN106402408B (en) | 2016-08-31 | 2016-08-31 | A kind of automatic gear-box solenoid valve |
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| Publication Number | Publication Date |
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| CN106402408A true CN106402408A (en) | 2017-02-15 |
| CN106402408B CN106402408B (en) | 2018-08-17 |
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| CN201610774535.3A Active CN106402408B (en) | 2016-08-31 | 2016-08-31 | A kind of automatic gear-box solenoid valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915646A (en) * | 2019-04-11 | 2019-06-21 | 海力达汽车系统（常熟）有限公司 | A kind of hydraulic buttery valve that stability is good |
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| CN2612577Y (en) * | 2003-03-31 | 2004-04-21 | 贵州红林机械有限公司 | Pressure boost type magnetic valve of sedan locking proof device |
| US20050098211A1 (en) * | 2003-11-07 | 2005-05-12 | Mitsubishi Denki Kabushiki Kaisha | Three-way bleed type proportional electromagnetic valve |
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| CN109915646A (en) * | 2019-04-11 | 2019-06-21 | 海力达汽车系统（常熟）有限公司 | A kind of hydraulic buttery valve that stability is good |
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|---|---|
| CN106402408B (en) | 2018-08-17 |
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Address after: 315514 55 Fang Gang Road, Fang Qiao Industrial Area, Jiangkou street, Fenghua, Zhejiang Applicant after: Ningbo Pu Lowell mechanical and Electrical Technology Co.,Ltd. Address before: 315514 55 Fang Gang Road, Fang Qiao Industrial Area, Jiangkou street, Fenghua, Ningbo, Zhejiang Applicant before: NINGBO XINGYU GUOJUN AUTO SOLENOID VALVE CO.,LTD. |
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Effective date of registration: 20200908 Address after: 315514, Zhejiang, Ningbo province Fenghua District Jiangkou Street Square Bridge Industrial Zone Hengfeng Road West End Patentee after: XINGYU ELECTRON (NINGBO) Co.,Ltd. Address before: 315514, No. 55, Fang Gang Road, Fenghua District, Zhejiang Province Patentee before: Ningbo Pu Lowell mechanical and Electrical Technology Co.,Ltd. |
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Denomination of invention: An automatic transmission solenoid valve Effective date of registration: 20210918 Granted publication date: 20180817 Pledgee: Bank of China Limited by Share Ltd. Fenghua branch Pledgor: XINGYU ELECTRON (NINGBO) Co.,Ltd. Registration number: Y2021330001729 |
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Date of cancellation: 20230808 Granted publication date: 20180817 Pledgee: Bank of China Limited by Share Ltd. Fenghua branch Pledgor: XINGYU ELECTRON (NINGBO) CO.,LTD. Registration number: Y2021330001729 |