CN220850957U - Electromagnetic valve of automatic gearbox - Google Patents

Abstract

The utility model relates to the technical field of electromagnetic valves and discloses an automatic gearbox electromagnetic valve, which comprises a heat radiating device, wherein a fan is arranged in the heat radiating device, a filter screen is arranged on the outer wall of the heat radiating device, a plurality of air channels are arranged in a shell, the air channels extend to the inside of the heat radiating device, the air channels extend to the outer side of the shell, a heat conducting copper plate is arranged in the air channels, and an inner shell is arranged on the inner side of the shell. According to the utility model, through the arrangement of the air duct, the fan and the heat conducting copper plate, when heat generated by the electromagnetic coil is accumulated in the electromagnetic valve, the heat is conducted to the surface of the inner shell, the inner shell is positioned at the inner side of the shell, the heat generated by the electromagnetic coil in the inner shell is conducted to the outer surface of the inner shell, the fan is electrified, the fan rotates to flow into the air duct, the heat conducting copper plate is arranged in the air duct, the heat is conducted to the heat conducting copper plate, and the heat is taken away by the air flow in the air duct, so that the electromagnetic coil is radiated.

Description

Electromagnetic valve of automatic gearbox

Technical Field

The utility model relates to the technical field of electromagnetic valve equipment, in particular to an electromagnetic valve of an automatic gearbox.

Background

The automatic gearbox is used for replacing manual gearboxes in automobiles step by step, and particularly, the automatic gearbox is almost used in middle and high-grade automobiles. Modern vehicle engine electronic control systems are increasingly prone to selecting solenoid valves as actuators because solenoid valves can directly control the amount and timing of injection, and some of the injection rates can be achieved with solenoid valves. Therefore, the three control items can be completed by only one actuator, so that the hardware of the whole electronic system can be greatly simplified, and the electromagnetic valve is one of the most important parts in the automatic gearbox at present. On the other hand, the switch type electromagnetic valve is simpler, and the driving control part is far simpler than actuators such as a stepping motor, a proportional electromagnet and the like.

The utility model provides a 201620981323.8 discloses an automatic gearbox solenoid valve, including the valve body with assemble in the case of the intracavity in center of valve body, offered P mouth and A mouth on the valve body, the T mouth has been offered at the center of case, is fixed with electromagnet assembly on the valve body, electromagnet assembly includes the shell, coil assembly in the shell and coil assembly central movable core, the intracavity is located be equipped with a step face between P mouth and the A mouth, be provided with spring and steel ball in the chamber of center, the one end of spring offsets with the case, its other end with the steel ball offsets, steel ball and step face cooperate control P mouth and A mouth between the break-make, the center of valve body runs through and is provided with a ejector pin, the one end of ejector pin with movable core offsets, its other end with the steel ball offsets. The utility model has the advantages that: simple structure, long service life has reduced the processing requirement to spare part axiality, and processing cost is low.

The electromagnetic valve is simple in structure and long in service life, machining requirements on coaxiality of parts are reduced, machining cost is low, in the using process of the electromagnetic valve, the electromagnetic coil is electrified to control the movable iron core to move, in the repeated electrifying process of the electromagnetic coil, the coil winding can generate heat, and the generated heat is accumulated in the electromagnetic valve because the electromagnetic coil is assembled in the electromagnetic valve, so that the service life of the electromagnetic coil is influenced, and the service life of the electromagnetic valve is reduced.

Disclosure of utility model

The utility model aims to provide an electromagnetic valve of an automatic gearbox, which solves the problems in the background technology.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

The utility model relates to an electromagnetic valve of an automatic gearbox, which comprises a valve body, wherein a shell is arranged at the outer side of the valve body, an electric inserting device is arranged at the side of the shell, a heat radiating device is arranged at the outer side of the electric inserting device, the shell is positioned between the valve body and the electric inserting device, the electric inserting device is positioned between the shell and the heat radiating device, the valve body, the shell, the electric inserting device and the heat radiating device are positioned on the same straight line, a fan is arranged in the heat radiating device, a filter screen is arranged on the outer wall of the heat radiating device, a plurality of air channels are arranged in the shell, the air channels extend to the inside of the heat radiating device, heat conducting copper plates are arranged in the air channels and the inside of the shell, an inner shell is arranged at the inner side of the shell, the inside solenoid of inner casing produces the heat conduction to the surface of inner casing, and for the fan circular telegram, the fan rotates the air current and flows into inside the wind channel, and the internally mounted who says has the heat conduction copper, and the heat conduction is to on the heat conduction copper, and the inside air current flow in wind channel takes away the heat, dispels the heat to solenoid, the valve body includes A mouth, steel ball, first sealing washer, B mouth, second sealing washer, ejector pin seat and plastic envelope body, the upper surface at quiet iron core is installed to the plastic envelope body, the top at thick ejector pin is installed to the ejector pin, sliding connection is carried out with the inside of valve body to the outer wall of ejector pin, the ejector pin is in inside the first spring, the ejector pin runs through quiet iron core and plastic envelope body, the ejector pin seat cover is established on the outer wall of ejector pin, and the purpose of setting up like this is established on the outer wall of ejector pin through the ejector pin seat cover, carries out spacing direction to the ejector pin.

Further, the plug-in device comprises a socket cover and a plug-in piece, wherein the socket cover is fixedly connected with the outer wall of the shell, the plug-in piece is arranged in the plug-in device, and the purpose of the plug-in device is to electrify the electromagnetic valve.

Further, the shell comprises a second spring, a spring seat, a first spring, a thick ejector rod, a movable iron core, an electromagnetic coil and a static iron core, wherein the static iron core is arranged at the top of the shell, and the purpose of the arrangement is that the static iron core is matched with the thick ejector rod to push the ejector rod;

Further, the inside of inner shell is provided with the cavity, electromagnetic coil installs the inboard at inner shell cavity, and the purpose of setting like this is that electromagnetic coil circular telegram back, control movable iron core removes.

Further, the spring holder is installed in the bottom center department of interior casing, the top at the spring holder is installed to the second spring, thick ejector pin is installed at the top of second spring, the outer wall of thick ejector pin carries out sliding connection with the inside of interior casing, it establishes on the outer wall of thick ejector pin to move the iron core cover, it carries out sliding connection to move the outer wall of iron core and the inside of interior casing, and the purpose that sets up like this is to move when the iron core removal, control ejector pin and thick ejector pin remove.

Further, the top of thick ejector pin extends to the bottom of quiet iron core, first spring is installed at the top of thick ejector pin, first spring is in between thick ejector pin and the quiet iron core, spring holder, second spring, thick ejector pin and first spring are on the coaxial line, and this is spring holder, second spring, thick ejector pin and first spring mounted position relation.

Further, the valve seat is installed on the top of ejector pin seat, the second sealing washer is installed on the bottom lateral wall of valve seat, first sealing washer is installed on the top lateral wall, and the purpose of setting like this is through setting up second sealing washer and first sealing washer, guarantees the leakproofness when solenoid valve is assembled.

Further, the communication groove has been seted up at the top of valve body, the A mouth is seted up on the top outer wall of valve body, the B mouth is seted up on the valve body outer wall, the ejector pin extends to the bottom of communication groove, the steel ball is installed on the bottom outer wall of communication groove, the purpose of setting like this is when solenoid does not switch on, the ejector pin is under the second spring effect, promote the first spring of compression through thick ejector pin and remove the push away the steel ball, B mouth and A mouth switch on, after solenoid switch on, the iron core receives the second spring removal of electromagnetic force compression, makes the ejector pin remove, the steel ball cuts off the passageway between P mouth and A mouth, play the effect of a switch oil circuit.

The utility model has the following beneficial effects:

(1) According to the utility model, through the arrangement of the air duct, the fan and the heat conducting copper plate, when heat generated by the electromagnetic coil is accumulated in the electromagnetic valve, the heat is conducted to the surface of the inner shell, the inner shell is positioned at the inner side of the shell, the heat generated by the electromagnetic coil in the inner shell is conducted to the outer surface of the inner shell, the fan is electrified, the fan rotates to flow into the air duct, the heat conducting copper plate is arranged in the air duct, the heat is conducted to the heat conducting copper plate, and the heat is taken away by the air flow in the air duct, so that the electromagnetic coil is radiated.

(2) According to the electromagnetic valve, the first sealing ring and the second sealing ring are arranged, the second sealing ring is arranged on the outer side wall of the bottom of the valve seat, and the first sealing ring is arranged on the outer side wall of the top of the valve seat, so that the tightness of the electromagnetic valve during assembly is ensured.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a heat dissipating device according to the present utility model;

FIG. 3 is a schematic diagram of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic view of the internal structure of the present utility model;

FIG. 5 is a schematic perspective view of the present utility model;

FIG. 6 is a cross-sectional view of the internal structure of the present utility model;

in the drawings, the list of components represented by the various numbers is as follows:

In the figure: 1. a valve body; 101. a port A; 102. a steel ball; 103. a first seal ring; 104. a port B; 105. a second seal ring; 106. a push rod; 107. a push rod seat; 108. a plastic package body; 109. a valve seat; 110. a communication groove; 2. a heat sink; 201. a filter screen; 202. a fan; 3. a housing; 301. an air duct; 302. a thermally conductive copper plate; 303. an inner housing; 304. a second spring; 305. a spring seat; 306. a first spring; 307. a thick ejector rod; 308. a movable iron core; 309. an electromagnetic coil; 310. a stationary core; 4. a power-on device; 401. inserting sheets; 402. a socket cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model is an automatic gearbox electromagnetic valve, which comprises a valve body 1, a housing 3 is installed at the outer side of the valve body 1, an electric inserting device 4 is installed at the side of the housing 3, a heat dissipating device 2 is installed at the outer side of the electric inserting device 4, the housing 3 is located between the valve body 1 and the electric inserting device 4, the electric inserting device 4 is located between the housing 3 and the heat dissipating device 2, the valve body 1, the housing 3, the electric inserting device 4 and the heat dissipating device 2 are on the same straight line, a fan 202 is installed inside the heat dissipating device 2, a filter screen 201 is installed on the outer wall of the heat dissipating device 2, the purpose of the arrangement is to protect the fan 202, filter dust, a plurality of air channels 301 are formed inside the housing 3, the air channels 301 extend to the inside of the heat dissipating device 2, the air channels 301 extend to the outer side of the housing 3, a plurality of air channels 301 are internally provided with heat conducting copper plates 302, the inner side of the housing 3 is provided with an inner housing 303, the inner housing 303 is located inside the inner side of the housing 3, heat generated by an electromagnetic coil 309 inside the inner housing 303 is conducted to the outer surface of the inner housing 303, the fan 202 is electrified, the fan 202 is rotated, the fan 301 flows into the air channels 301, and the heat is conducted to the inner heat conducting air channels 301 is conducted to the inner air channels 301, and is conducted to the inner heat is carried away by the inner heat conducting channels 301;

The valve body 1 comprises an A port 101, a steel ball 102, a first sealing ring 103, a B port 104, a second sealing ring 105, a push rod 106, a push rod seat 107 and a plastic package body 108, wherein the plastic package body 108 is arranged on the upper surface of a static iron core 310, the push rod 106 is arranged at the top end of a thick push rod 307, the outer wall of the push rod 106 is in sliding connection with the inside of the valve body 1, the push rod 106 is positioned in a first spring 306, the push rod 106 penetrates through the static iron core 310 and the plastic package body 108, the push rod seat 107 is sleeved on the outer wall of the push rod 106, and the purpose of the arrangement is to limit and guide the push rod 106 through the push rod seat 107.

The plug-in device 4 comprises a plug-in cover 402 and a plug-in piece 401, wherein the plug-in cover 402 is fixedly connected with the outer wall of the shell 3, the plug-in piece 401 is arranged inside the plug-in device 4, and the purpose of the plug-in device is to electrify the electromagnetic valve.

The shell 3 comprises a second spring 304, a spring seat 305, a first spring 306, a thick ejector rod 307, a movable iron core 308, an electromagnetic coil 309 and a static iron core 310, wherein the static iron core 310 is arranged at the top of the inner shell 303, and the purpose of the arrangement is that the static iron core 310 is matched with the thick ejector rod 307 to push the ejector rod 106;

The inside of the inner housing 303 is provided with a cavity, and the electromagnetic coil 309 is installed inside the cavity of the inner housing 303, so that the purpose of this arrangement is to control the moving iron core 308 to move after the electromagnetic coil 309 is energized.

The spring holder 305 is installed in the bottom center of the inner housing 303, the second spring 304 is installed at the top of the spring holder 305, the thick ejector rod 307 is installed at the top of the second spring 304, the outer wall of the thick ejector rod 307 is in sliding connection with the inside of the inner housing 303, the movable iron core 308 is sleeved on the outer wall of the thick ejector rod 307, the outer wall of the movable iron core 308 is in sliding connection with the inside of the inner housing 303, and therefore the purpose of the arrangement is that when the movable iron core 308 moves, the ejector rod 106 and the thick ejector rod 307 are controlled to move.

The top of the thick ejector rod 307 extends to the bottom of the static iron core 310, the first spring 306 is installed at the top of the thick ejector rod 307, the first spring 306 is located between the thick ejector rod 307 and the static iron core 310, and the spring seat 305, the second spring 304, the thick ejector rod 307 and the first spring 306 are on the same axis, which is the installation position relationship of the spring seat 305, the second spring 304, the thick ejector rod 307 and the first spring 306.

The valve seat 109 is installed on the top of ejector pin seat 107, and second sealing washer 105 is installed on the bottom lateral wall of valve seat 109, and first sealing washer 103 is installed on the top lateral wall, and the purpose of setting like this is through setting up second sealing washer 105 and first sealing washer 103, guarantees the leakproofness when the solenoid valve is assembled.

The top of valve body 1 has offered intercommunication groove 110, opening A101 is offered on the top outer wall of valve body 1, opening B104 is offered on the valve body outer wall, ejector pin 106 extends to the bottom of intercommunication groove 110, steel ball 102 is installed on the bottom outer wall of intercommunication groove 110, the purpose of setting like this is when solenoid 309 is not circular telegram, ejector pin 106 is under the effect of second spring 304, promote compression first spring 306 through thick ejector pin 307 and remove to push away steel ball 102, opening B104 and opening A101 switch on, after solenoid 309 circular telegram, movable iron core 308 receives the compression second spring 304 of electromagnetic force to remove, make ejector pin 106 remove, steel ball 102 cuts off the passageway between opening B104 and opening A101, play the effect of a switch oil circuit.

When the electromagnetic valve is used, when heat generated by the electromagnetic coil 309 is accumulated in the electromagnetic valve, the heat is conducted to the surface of the inner shell 303, the inner shell 303 is positioned on the inner side of the shell 3, the heat generated by the electromagnetic coil 309 in the inner shell 303 is conducted to the outer surface of the inner shell 303, the fan 202 is electrified, the fan 202 rotates to flow into the air duct 301, the heat conducting copper plate 302 is arranged in the air duct 301, the heat is conducted to the heat conducting copper plate 302, the heat is taken away by the flow of the air flow in the air duct 301, the electromagnetic coil 309 dissipates heat, the second sealing ring 105 is arranged on the outer side wall of the bottom of the valve seat 109, and the first sealing ring 103 is arranged on the outer side wall of the top to ensure tightness of the electromagnetic valve during assembly.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (7)

1. An automatic gearbox solenoid valve, includes valve body (1), its characterized in that: the outer side of the valve body (1) is provided with a shell (3), the outer side of the shell (3) is provided with an electric inserting device (4), and the outer side of the electric inserting device (4) is provided with a heat radiating device (2);

the shell (3) is arranged between the valve body (1) and the power-on device (4), the power-on device (4) is arranged between the shell (3) and the heat dissipation device (2), and the valve body (1), the shell (3), the power-on device (4) and the heat dissipation device (2) are on the same straight line;

The heat dissipation device (2) comprises a protection shell, the protection shell is of a cylindrical structure, a plurality of air channels (301) are formed in the inner wall of the bottom of the protection shell, the air channels (301) are close to one side of the power-on device (4), the air channels (301) extend to the inside of the shell (3), heat conduction copper plates (302) are arranged in the air channels (301), and an inner shell (303) is arranged on the inner side of the shell (3);

The valve body (1) comprises an A port (101), a steel ball (102), a first sealing ring (103), a B port (104), a second sealing ring (105), a push rod (106), a push rod seat (107) and a plastic package body (108), wherein the plastic package body (108) is arranged on the upper surface of a static iron core (310), the push rod (106) is arranged on the top end of a thick push rod (307), the outer wall of the push rod (106) is in sliding connection with the inside of the valve body (1), the push rod (106) is positioned inside a first spring (306), the push rod (106) penetrates through the static iron core (310) and the plastic package body (108), and the push rod seat (107) is sleeved on the outer wall of the push rod (106).

2. An automatic transmission solenoid according to claim 1, wherein: the plug-in device (4) comprises a socket cover (402) and a plug-in piece (401), wherein the socket cover (402) is fixedly connected with the outer wall of the shell (3), and the plug-in piece (401) is arranged inside the plug-in device (4).

3. An automatic transmission solenoid according to claim 1, wherein: the shell (3) comprises a second spring (304), a spring seat (305), a first spring (306), a thick ejector rod (307), a movable iron core (308), an electromagnetic coil (309) and a static iron core (310), wherein the static iron core (310) is arranged at the top of the shell (3);

The inside of casing (3) is provided with the cavity, solenoid (309) is installed in the inboard of casing (3) cavity.

4. An automatic transmission solenoid according to claim 3, wherein: the novel movable iron core is characterized in that the spring seat (305) is arranged at the center of the bottom of the shell (3), the second spring (304) is arranged at the top of the spring seat (305), the thick ejector rod (307) is arranged at the top of the second spring (304), the outer wall of the thick ejector rod (307) is in sliding connection with the inside of the shell (3), the movable iron core (308) is sleeved on the outer wall of the thick ejector rod (307), and the outer wall of the movable iron core (308) is in sliding connection with the inside of the shell (3).

5. An automatic transmission solenoid according to claim 4, wherein: the top of thick ejector pin (307) extends to the bottom of quiet iron core (310), first spring (306) are installed at the top of thick ejector pin (307), first spring (306) are in between thick ejector pin (307) and quiet iron core (310), spring holder (305), second spring (304), thick ejector pin (307) and first spring (306) are on the coaxial line.

6. An automatic transmission solenoid according to claim 1, wherein: the top of ejector rod seat (107) is installed disk seat (109), second sealing washer (105) are installed on the bottom lateral wall of disk seat (109), first sealing washer (103) are installed on the top lateral wall.

7. An automatic transmission solenoid according to claim 6, wherein: the top of valve body (1) has seted up intercommunication groove (110), A mouth (101) are seted up on the top outer wall of valve body (1), B mouth (104) are seted up on the outer wall of valve body (1), ejector pin (106) extend to the bottom of intercommunication groove (110), steel ball (102) are installed on the bottom outer wall of intercommunication groove (110).