CN220792225U - Solenoid valve, suspension system and vehicle - Google Patents

Abstract

The utility model provides an electromagnetic valve, a suspension system and a vehicle. The valve seat is penetrated to the first end of the outer cover, and the valve seat is welded and fixedly connected with the outer cover in a sealing way. The blocking member is disposed within the housing. The electromagnetic driving piece is arranged at the second end of the outer cover in a penetrating mode, and is fixedly welded with the outer cover in a sealing mode. The electromagnetic valve has the advantages of simple and compact structure, good air tightness and easy installation.

Description

Solenoid valve, suspension system and vehicle

Technical Field

The present utility model relates generally to the technical field of automotive parts, and more particularly to a solenoid valve, a suspension system and a vehicle.

Background

At present, the existing electromagnetic valve has the defects of more parts, complex structure, poor air tightness, difficult installation and larger coil load during starting.

Disclosure of Invention

In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the utility model is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

To at least partially solve the above-described problems, a first aspect of the present utility model provides a solenoid valve including:

an outer cover;

the valve seat penetrates through the first end of the outer cover, and is fixedly welded and hermetically connected with the outer cover;

a blocking member disposed within the housing; and

the electromagnetic driving piece penetrates through the second end of the outer cover, and the electromagnetic driving piece is fixedly welded with the outer cover and is in sealing connection with the outer cover.

According to the electromagnetic valve of the first aspect of the utility model, the valve seat, the blocking member and the electromagnetic driving member are connected together through the housing, and the electromagnetic valve is simple and compact in structure, good in air tightness and easy to install.

Optionally, the outer cover is provided with a medium inlet hole, the valve seat is provided with a medium outlet hole, and the medium outlet hole is communicated with the inner part of the outer cover;

the blocking member being movable relative to the housing between an open position and a closed position;

the electromagnetic drive is movable relative to the closure member between an actuated position and a biased position, the electromagnetic drive in the biased position having a driving action on the closure member in a closed position towards the valve seat, the electromagnetic drive in the actuated position having a driving action on the closure member away from the valve seat.

Optionally, the electromagnetic driving member includes:

the fixed iron core penetrates through the second end of the outer cover;

the movable iron core is arranged in the outer cover and connected to the blocking member; and

and the coil is sleeved outside the outer cover.

Optionally, the blocking member is a non-magnetic component.

Optionally, the blocking member comprises:

the clamping piece is provided with a clamping hook, the movable iron core is provided with a clamping groove, and the clamping hook is matched with the clamping groove; and

the elastic piece is positioned at one side of the clamping piece close to the medium outlet hole and is connected to the clamping piece.

Optionally, the clamping hook is provided with a first clamping surface, and the clamping piece is also provided with a second clamping surface; the inner wall of the clamping groove at least partially protrudes to the clamping piece, so that the movable iron core is movably arranged between the first clamping surface and the second clamping surface relative to the clamping piece.

Optionally, a first limiting surface is disposed in the clamping groove, and the first limiting surface is used for contacting with the first clamping surface, so that the movable iron core drives the clamping piece to the opening position; the movable iron core is further provided with a second limiting surface, and the second limiting surface is used for contacting with the second clamping surface, so that the movable iron core drives the clamping piece to the closed position.

Optionally, a distance between the first limiting surface and the second limiting surface is smaller than a distance between the first clamping surface and the second clamping surface.

A second aspect of the utility model provides a suspension system comprising a solenoid valve according to the above.

According to the suspension system of the second aspect of the utility model, the electromagnetic valve is simple and compact in structure, good in air tightness and easy to install.

A third aspect of the utility model provides a vehicle comprising a solenoid valve according to the above.

According to the vehicle of the third aspect of the utility model, the electromagnetic valve is simple and compact in structure, good in air tightness and easy to install.

Drawings

The following drawings of embodiments of the present utility model are included as part of the utility model. Embodiments of the present utility model and their description are shown in the drawings to explain the principles of the utility model. In the drawings of which there are shown,

FIG. 1 is a schematic front view of a solenoid valve according to a preferred embodiment of the utility model;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic illustration of the installation of solenoid valves in a suspension system;

FIG. 4 is a schematic perspective view of a solenoid valve according to a preferred embodiment of the utility model;

fig. 5 is a perspective view of a stator core;

FIG. 6 is a schematic front view of a plunger;

FIG. 7 is a schematic cross-sectional view taken along line B-B of FIG. 6;

FIG. 8 is a perspective view of a plunger;

FIG. 9 is a schematic perspective view of the housing;

fig. 10 is a schematic perspective view of the fixing base; and

fig. 11 is a perspective view of a valve seat.

Description of the reference numerals

100: base 101: first medium channel

102: second medium channel 103: mounting groove

110: the outer cover 111: medium inlet hole

120: the fixing base 121: convex ring

122: second annular seal ring 130: valve seat

131: medium outlet 132: annular groove

133: first ring seal 140: plugging member

141: clamping piece 142: elastic piece

143: trip 144: first clamping surface

145: second clamping face 150: electromagnetic driving piece

151: fixed iron core 152: movable iron core

153: first spring 154: first counter bore

155: second counterbore 156: annular groove

157: cushioning member 158: clamping groove

159: first limiting surface 160: second limiting surface

170: second spring Z: axial direction

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that embodiments of the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the embodiments of the utility model.

Herein, ordinal words such as "first" and "second" cited in the present utility model are merely identifiers and do not have any other meaning, such as a particular order or the like. Also, for example, the term "first component" does not itself connote the presence of "second component" and the term "second component" does not itself connote the presence of "first component".

In this document, "upper", "lower", "front", "rear", "left", "right", and the like are used merely to indicate relative positional relationships between the relevant portions, and do not limit the absolute positions of the relevant portions.

Herein, "equal," "same," etc. are not strictly mathematical and/or geometric limitations, but also include deviations that may be appreciated by those skilled in the art and allowed by fabrication or use, etc.

Unless otherwise indicated, numerical ranges herein include not only the entire range within both of its endpoints, but also the several sub-ranges contained therein.

Fig. 1 to 11 show a solenoid valve according to the present utility model, which includes a housing 110, a valve seat 130, a blocking member 140, and a solenoid driver 150. The valve seat 130 is penetrated to the first end of the housing 110, and the valve seat 130 is welded and fixedly and hermetically connected with the housing 110. The blocking member 140 is disposed within the housing 110. The electromagnetic driving member 150 is inserted into the second end of the housing 110, and the electromagnetic driving member 150 is welded to the housing 110 and is connected with the housing 110 in a sealing manner.

According to the electromagnetic valve of the present utility model, the valve seat 130, the blocking member 140 and the electromagnetic driving member 150 are coupled together through the housing 110, and the electromagnetic valve has a simple and compact structure, good air tightness, and easy installation.

The housing 110 is provided with a medium inlet hole 111, the valve seat 130 is provided with a medium outlet hole 131, and the medium outlet hole 131 communicates with the interior of the housing 110. The blocking member 140 is movable relative to the housing 110 between an open position and a closed position. The electromagnetic drive 150 is movable relative to the closure member 140 between an actuated position and a biased position, the electromagnetic drive 150 in the biased position having a driving effect on the closure member 140 in the closed position towards the valve seat 130, the electromagnetic drive 150 in the actuated position having a driving effect on the closure member 140 away from the valve seat 130.

The electromagnetic driving piece 150 drives the blocking member 140 to move between the opening position and the closing position, so that the medium outlet hole 131 of the valve seat 130 is opened or closed, and the switching of the electromagnetic valve is realized. When the electromagnetic valve is switched, the electromagnetic driving piece 150 is positioned at the pressing position at the moment when the electromagnetic driving piece 150 is started, the blocking member 140 cannot move along with the electromagnetic driving piece 150 until the electromagnetic driving piece 150 moves to the actuating position, the electromagnetic force of the electromagnetic driving piece 150 is enough, the electromagnetic driving piece 150 acts on the blocking member 140 at the moment, so that the blocking member 140 moves away from the valve seat 130 to realize the switching of the electromagnetic valve, and the electromagnetic driving piece 150 and the blocking member 140 are arranged, so that the initial electromagnetic force requirement of the electromagnetic driving piece 150 is reduced, and the overload of a coil of the electromagnetic driving piece 150 is prevented.

The solenoid valve according to the present utility model may be applied to a suspension system of a vehicle. Referring to fig. 2 and 3, the suspension system includes a base 100, and the base 100 is provided with a mounting groove 103 for mounting a solenoid valve. In addition, the base 100 is further provided with a first medium passage 101 and a second medium passage 102, and the solenoid valve according to the present utility model is mounted to the mounting groove 103 to effect passage switching between the first medium passage 101 and the second medium passage 102. Further, the first medium channel 101 is connected with the mounting groove 103, the medium inlet 111 of the housing 110 is connected with the mounting groove 103, and the medium outlet 131 of the valve seat 130 is connected with the second medium channel 102, so that the medium sequentially passes through the first medium channel 101, the mounting groove 103 and the medium inlet 111 to enter the housing 110, and then is guided into the second medium channel 102 through the medium outlet 131 of the valve seat 130, so as to realize the circulation of the medium on the base 100. When the electromagnetic driver 150 drives the blocking member 140 to the blocking position, the blocking member 140 blocks the medium outlet hole 131 of the valve seat 130, thereby shutting off the passage between the first medium passage 101 and the second medium passage 102.

The solenoid valve according to the present utility model further includes a fixing base 120, the fixing base 120 is sleeved to the housing 110, and the fixing base 120 is disposed in the mounting groove 103 of the base 100, thereby fixing the housing 110. The fixing seat 120 is provided with a first inner surface and a second inner surface, and the second inner surface is located between the first inner surface and the valve seat 130 along the axial direction Z. The first inner surface is clearance-fitted with the outer cover 110 to be coupled to the outer cover 110 when the outer cover 110 is installed, and the second inner surface is transitionally coupled with the outer cover 110 and welded and fixed, thereby preventing gas from leaking between the fixing base 120 and the outer cover 110, and having good air tightness.

Referring to fig. 3 and 10, the fixing base 120 is provided with a collar 121 for interference press-fitting and sealing-fixing with an inner surface of a hole to be installed (i.e., the installation groove 103 of the base 100). Along the axial direction Z, one side of the collar 121 is provided with an adhesive member (not shown in the figure), and the other side of the collar 121 is provided with a second annular seal ring 122. The adhesive is formed by the solidification of the adhesive after filling between the convex ring 121 and the inner wall of the mounting groove 103, enhancing the sealing between the fixing seat 120 and the mounting groove 103. The outer side of the second annular sealing ring 122 abuts against the inner wall of the mounting groove 103, so that the tightness between the fixing seat 120 and the mounting groove 103 is further ensured, and leakage of gas between the mounting groove 103 and the fixing seat 120 is prevented.

Referring to fig. 9, the housing 110 has a tubular shape, and a cross section of the housing 110 perpendicular to the axial direction Z is circular. As shown in connection with fig. 2 and 3, the medium inlet hole 111 is located in the mounting groove 103 and aligned with the first passage in the axial direction Z. In addition, the housing 110 is provided with four medium inlet holes 111 in total, and the four medium inlet holes 111 are uniformly distributed around the circumferential side of the housing 110.

As shown in connection with fig. 11, the protrusion structure of the side portion of the valve seat 130 is provided with an annular groove 132, a first annular seal ring 133 is provided in the annular groove 132, the first annular seal ring 133 is sleeved to the valve seat 130 through the annular groove 132, and referring to fig. 3, the first annular seal ring 133 abuts against the inner wall of the installation groove 103, thereby preventing gas from leaking between the valve seat 130 and the installation groove 103. The first end of the outer cover 110 and the valve seat 130 are sealed by laser welding after being pressed by interference fit, so that the air tightness of the electromagnetic valve is further ensured.

Specifically to the structure of the electromagnetic driving member 150, referring to fig. 2, the electromagnetic driving member 150 includes a fixed iron core 151, a movable iron core 152, and a coil (not shown in the drawing). The fixed iron core 151 is penetrated to the second end of the outer cover 110 and is sealed by laser welding after being pressed and assembled with the outer cover 110 in an interference manner, so that gas in the outer cover 110 is prevented from leaking out from between the outer cover 110 and the fixed iron core 151. The plunger 152 is disposed within the housing 110 and is in clearance fit with the inner surface of the housing 110, and the plunger 152 is connected to the occluding member 140. The coil is sleeved to the outside of the housing 110 and spaced apart from the outer surface of the housing 110. Along the axial direction Z, the first end of the coil extends to the top surface of the fixed core 151, and the second end of the coil abuts against the fixed seat 120. The electromagnetic driver 150 further includes a first spring 153, and the first spring 153 is disposed between the fixed core 151 and the movable core 152. When the coil is not energized, the plunger 152 moves in the axial direction Z toward the valve seat 130 under the action of the first spring 153 and its own weight, thereby driving the blocking member 140 to the closed position. When the coil is energized, an attractive force is generated between the fixed core 151 and the movable core 152, so that the movable core 152 moves in the axial direction Z toward a position away from the valve seat 130 to drive the blocking member 140 to be separated from the valve seat 130.

Referring to fig. 2, 5 and 7, the fixed core 151 is provided with a first counterbore 154, the movable core 152 is provided with a second counterbore 155, a first end of the first spring 153 is abutted to the first counterbore 154, and a second end of the first spring 153 is abutted to the second counterbore 155. The arrangement of first counterbore 154 and second counterbore 155 provides a guide for the telescoping process of first spring 153.

Referring to fig. 6 to 8, the movable core 152 is provided with a buffer 157, and the buffer 157 protrudes from the movable core 152, thereby buffering an impact between the fixed core 151 and the movable core 152 and reducing noise. An annular groove 156 is provided in the surface of the movable core 152 adjacent to the fixed core 151 for mounting the buffer member 157. Alternatively, the buffer member 157 may be a buffer rubber, which has a good buffering effect.

Further, the solenoid valve according to the present utility model further includes a second spring 170, and the second spring 170 is disposed between the blocking member 140 and the valve seat 130. When the blocking member 140 is in the closed position, the second spring 170 is in a compressed state for buffering the impact of the blocking member 140 on the valve seat 130, reducing noise. The elastic force of the second spring 170 is smaller than that of the first spring 153, so that the sealing member 140 has enough pressure on the valve seat 130 when in the closed position, and the sealing effect of the sealing member 140 on the valve seat 130 is ensured. Further, when the coil is energized, the plunger 152 moves away from the valve seat 130 in the axial direction Z and from the pressing position to the actuated position relative to the blocking member 140, in the process, the second spring 170 has an elastic force toward the plunger 152 to the blocking member 140, thereby further reducing the load of the blocking member 140 to the electromagnetic driver 150.

In particular to the structure of the occluding member 140. Referring to fig. 2 and 7, the blocking member 140 includes a clip 141 and an elastic member 142. The clamping piece 141 is provided with a clamping hook 143, the movable iron core 152 is provided with a clamping groove 158, and the clamping hook 143 is matched with the clamping groove 158. The elastic member 142 is located at a side of the clamping member 141 near the medium outlet 131 and connected to the clamping member 141, for closing the medium outlet 131 of the valve seat 130. The clamping piece 141 is connected with the movable iron core 152 through the matching of the clamping hook 143 and the clamping groove 158, and the installation can be completed only by inserting the clamping piece 141 into the clamping groove 158 of the movable iron core 152, so that the installation efficiency is high.

The occluding member 140 is typically selected to be a non-magnetic component to prevent the occluding member 140 from being disturbed by the magnetic force of the electromagnetic driver 150. For example, the clamping member 141 may be made of plastic material, which facilitates clamping deformation. While the elastic member 142 may be made of rubber material, so as to seal the valve seat 130. The elastic member 142 can be integrally formed with the clamping member 141 by an in-mold injection molding process, and has a stable structure.

The hook 143 of the clamping member 141 extends into the movable iron core 152 through the clamping groove 158, and the hook 143 is in clearance fit with the inner wall of the clamping groove 158 so as to guide the movement of the clamping member 141 relative to the movable iron core 152.

Referring to fig. 7, the hook 143 is provided with a first engaging surface 144, and the engaging member 141 is further provided with a second engaging surface 145. The inner wall of the clamping groove 158 at least partially protrudes to the clamping member 141 such that the plunger 152 is movably disposed relative to the clamping member 141 between the first clamping surface 144 and the second clamping surface 145. When the movable iron core 152 is located at the braking position relative to the clamping member 141, the movable iron core 152 contacts the first clamping surface 144, and when the movable iron core 152 is located at the pressing position relative to the clamping member 141, the movable iron core 152 contacts the second clamping surface 145. The movable core 152 is movable between a braking position and a pressing position relative to the clamping member 141 by the arrangement of the first clamping surface 144 and the second clamping surface 145 of the clamping member 141.

Further, a first limiting surface 159 is disposed in the clamping groove 158, and the first limiting surface 159 is configured to contact the first clamping surface 144, so that the movable iron core 152 drives the clamping member 141 to the open position. The movable iron core 152 is further provided with a second limiting surface 160, and the second limiting surface 160 is used for contacting the second clamping surface 145, so that the movable iron core 152 drives the clamping member 141 to the closed position. The driving action of the movable iron core 152 is transmitted to the clamping piece 141 by the arrangement of the first limiting surface 159 and the second limiting surface 160 on the movable iron core 152, so that the transmission is stable. Further, the distance between the first limiting surface 159 and the second limiting surface 160 is smaller than the distance between the first clamping surface 144 and the second clamping surface 145, so that the movable iron core 152 is movable relative to the clamping member 141. In addition, the difference between the distance between the first limiting surface 159 and the second limiting surface 160 and the distance between the first clamping surface 144 and the second clamping surface 145 is the moving stroke of the movable iron core 152 relative to the clamping member 141.

As can be seen from the above, referring to fig. 2 and 3, when the coil is de-energized, the movable iron core 152 moves downward along the axial direction Z under the action of its own weight and the first spring 153, and drives the elastic member 142 to abut against the valve seat 130 via the clamping member 141, and at this time, the movable iron core 152 is located at the pressing position relative to the clamping member 141, so that the medium outlet 131 is closed, and the passage between the first medium channel 101 and the second medium channel 102 is cut off. When the coil is energized, the fixed iron core 151 generates an adsorption force to the movable iron core 152, so that the movable iron core 152 overcomes the gravity of the fixed iron core and the elastic force of the first spring 153 to move upwards along the axial direction Z, the movable iron core 152 moves from the pressing position to the actuating position relative to the clamping piece 141, and in the process, the movable iron core 152 does not have a driving force to the clamping piece 141, so that the current introduced by the coil only needs to drive the movable iron core 152. When the plunger 152 moves to the actuating position relative to the clamping member 141, the first limiting surface 159 contacts the first clamping surface 144, and the plunger 152 is closer to the coil, so that the same current is applied to the coil, and the plunger 152 has a larger electromagnetic force, so that the plunger 152 is sufficient to drive the blocking member 140 from the closed position to the open position. Therefore, the arrangement of the electromagnetic driving member 150 and the blocking member 140 reduces the initial electromagnetic force requirement of the electromagnetic driving member 150, which is beneficial to preventing the overload of the coil of the electromagnetic driving member 150.

The utility model also provides a suspension system comprising the electromagnetic valve. According to the suspension system disclosed by the utility model, the adopted electromagnetic valve is simple and compact in structure, good in air tightness and easy to install, the coil load of the electromagnetic valve is small, and the stability of the suspension system is improved.

The utility model provides a vehicle comprising the electromagnetic valve. According to the vehicle disclosed by the utility model, the adopted electromagnetic valve is simple and compact in structure, good in air tightness and easy to install, the coil load of the electromagnetic valve is small, and the stability of the vehicle is improved.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model pertains. The terminology used herein is for the purpose of describing particular implementations only and is not intended to be limiting of the utility model. Terms such as "disposed" or the like as used herein may refer to either one element being directly attached to another element or one element being attached to another element through an intermediate member. Features described herein in one embodiment may be applied to another embodiment alone or in combination with other features unless the features are not applicable or otherwise indicated in the other embodiment.

The present utility model has been described in terms of the above embodiments, but it should be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the utility model to the embodiments described. Those skilled in the art will appreciate that many variations and modifications are possible in light of the teachings of the utility model, which variations and modifications are within the scope of the utility model as claimed.

Claims (10)

1. A solenoid valve, the solenoid valve comprising:

an outer cover;

the valve seat penetrates through the first end of the outer cover, and is fixedly welded and hermetically connected with the outer cover;

a blocking member disposed within the housing; and

the electromagnetic driving piece penetrates through the second end of the outer cover, and the electromagnetic driving piece is fixedly welded with the outer cover and is in sealing connection with the outer cover.

2. The solenoid valve of claim 1 wherein said housing is provided with a media inlet and said valve seat is provided with a media outlet, said media outlet being in communication with said housing;

the blocking member being movable relative to the housing between an open position and a closed position;

the electromagnetic drive is movable relative to the closure member between an actuated position and a biased position, the electromagnetic drive in the biased position having a driving action on the closure member in a closed position towards the valve seat, the electromagnetic drive in the actuated position having a driving action on the closure member away from the valve seat.

3. The solenoid valve of claim 2 wherein,

the electromagnetic driving member includes:

the fixed iron core penetrates through the second end of the outer cover;

the movable iron core is arranged in the outer cover and connected to the blocking member; and

and the coil is sleeved outside the outer cover.

4. A solenoid valve according to claim 3 wherein said blocking member is a non-magnetic component.

5. A solenoid valve according to claim 3 wherein said blocking member comprises:

the clamping piece is provided with a clamping hook, the movable iron core is provided with a clamping groove, and the clamping hook is matched with the clamping groove; and

the elastic piece is positioned at one side of the clamping piece close to the medium outlet hole and is connected to the clamping piece.

6. The solenoid valve of claim 5 wherein the hook is provided with a first clamping surface and the clamping member is further provided with a second clamping surface; the inner wall of the clamping groove at least partially protrudes to the clamping piece, so that the movable iron core is movably arranged between the first clamping surface and the second clamping surface relative to the clamping piece.

7. The solenoid valve of claim 6 wherein a first stop surface is disposed in the slot, the first stop surface being configured to contact the first clamping surface to cause the plunger to drive the clamping member to the open position; the movable iron core is further provided with a second limiting surface, and the second limiting surface is used for contacting with the second clamping surface, so that the movable iron core drives the clamping piece to the closed position.

8. The solenoid valve of claim 7 wherein a distance between the first stop surface and the second stop surface is less than a distance between the first snap surface and the second snap surface.

9. A suspension system comprising a solenoid valve according to any one of claims 1 to 8.

10. A vehicle characterized by comprising a solenoid valve according to any one of claims 1 to 8.