Electromagnetic valve for automobile braking system

By introducing a combination structure of insert shaft, stop block and locking block into the solenoid valve, the problem of low disassembly efficiency of traditional solenoid valves is solved, achieving the technical effect of rapid disassembly and maintenance, and improving the maintenance efficiency of solenoid valves.

CN223750839UActive Publication Date: 2026-01-02JIANGSU PUSHIDA PRECISION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520190803.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-01-02
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

The disassembly and maintenance of solenoid valves in traditional automotive braking systems are inefficient, requiring the repeated tightening of bolts with a wrench of a specific size, which wastes time and effort.

Method used

A solenoid valve comprising a solenoid valve body, a fixing structure, and a base plate was designed. By combining a plug shaft, a stop block, and a locking block, and utilizing a return spring, the solenoid valve can be quickly disassembled, avoiding repeated operation of the bolts.

Benefits of technology

This enables rapid disassembly and maintenance of the solenoid valve, improving maintenance efficiency, saving disassembly time, and enhancing operational convenience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223750839U_ABST
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Abstract

The utility model relates to the technical field of electromagnetic valves, in particular to an electromagnetic valve for an automobile braking system, which comprises an electromagnetic valve body, the electromagnetic valve body abuts against a bottom plate, a fixing structure is arranged on the electromagnetic valve body, the fixing structure comprises a connecting plate and two inserting shafts, the two inserting shafts are clamped on the electromagnetic valve body, and the connecting plate is connected with the connecting plate. One ends of the two inserting shafts are fixedly connected with the same connecting plate, the connecting plate abuts against the electromagnetic valve body, the inserting shafts are connected with abutting blocks in a sliding mode, the inserting shafts are connected with two clamping blocks in a sliding mode, the clamping blocks abut against the bottom plate, and the bottom ends of the abutting blocks abut against the two clamping blocks. A reset spring is arranged between the two clamping blocks. And after the electromagnetic valve is mounted, the electromagnetic valve can be quickly disassembled and assembled, so that the overhaul and maintenance efficiency of the electromagnetic valve is effectively improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of solenoid valves, specifically a kind of solenoid valve for automobile brake system belongs to solenoid valve technical field. BACKGROUND

[0002] Solenoid valve has important role in truck exhaust brake system, when exhaust brake switch opens, system will give solenoid valve a signal, make it supply air to exhaust brake cylinder, push piston to close exhaust brake valve, to close the exhaust passage of engine, produce rotation resistance, force engine to reduce speed, realize exhaust brake.

[0003] However, the solenoid valve for traditional automobile brake system is mostly installed on the car through multiple bolts, since solenoid valve will leak and other faults in the process of use, it needs to be disassembled and repaired, and the solenoid valve needs to be disassembled and assembled by repeatedly twisting multiple bolts with the help of a specific wrench every time, which will waste time and physical strength, resulting in low efficiency of solenoid valve maintenance. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the above-mentioned problems and provides a solenoid valve for automobile brake system, which can be quickly disassembled after installation, thereby effectively improving the efficiency of maintenance.

[0005] The utility model realizes the above-mentioned purpose through the following technical scheme, a solenoid valve for automobile brake system, including solenoid valve body, the solenoid valve body is in contact with bottom plate, fixed structure is equipped on the solenoid valve body, the fixed structure includes connecting plate and plug shaft, two plug shafts are clamped on the solenoid valve body, one end of two plug shafts is fixedly connected with same connecting plate, the connecting plate is in contact with solenoid valve body, slidingly connected with abutment on plug shaft, slidingly connected with two clamping blocks on plug shaft, the clamping block is in contact between bottom plate, the bottom end of abutment is in contact between two clamping blocks, reset spring is equipped between two clamping blocks.

[0006] Preferably, the top end of two abutments is fixedly connected with same pressing block, and the two ends of the connecting plate extend to the outside of the solenoid valve body.

[0007] Preferably, the width of the top end cross section of the abutment is smaller than the width of the bottom end cross section, and the bottom end inside cross section of the abutment is V-shaped structure.

[0008] Preferably, one end of the reset spring is in contact with one of the clamping blocks, and the other end of the reset spring is in contact with the other clamping block.

[0009] Preferably, the end cross section of the clamping block is trapezoidal structure, and the two clamping blocks are symmetrically distributed about the middle part of the abutment.

[0010] Preferably, two through holes are arranged on the electromagnetic valve body, the insertion shaft penetrates through the through holes, the maximum diameter of the cross section of the insertion shaft is equal to the diameter of the cross section of the through hole, and the cross section of the bottom end of the insertion shaft is in a trapezoidal structure.

[0011] Preferably, a connector is fixedly connected to the electromagnetic valve body, an air inlet pipe is fixedly connected to the electromagnetic valve body, and an air outlet pipe is fixedly connected to the electromagnetic valve body.

[0012] Preferably, one of the sealing pads is clamped at one end of the air inlet pipe, and the other sealing pad is clamped at one end of the air outlet pipe, and the width of the cross section of one end of the sealing pad is greater than the width of the cross section of the other end.

[0013] Preferably, four mounting holes are arranged on the bottom plate, and the cross section of the mounting hole is in a circular structure.

[0014] The utility model discloses a beneficial effect is: in the process of using can fix the bottom plate and install on the car, when the electromagnetic valve body needs to be disassembled and overhauled can press two resistance blocks, and the resistance block movement will resist the movement of two clamping blocks, when four clamping blocks do not resist between the bottom plate, can remove the connecting plate, and the connecting plate will drive two insertion shafts to move, until two insertion shafts are extracted from the inside of the electromagnetic valve body, and finally the electromagnetic valve body is taken off from the bottom plate, thereby realizing the quick disassembly of the electromagnetic valve body, avoiding the need to use a special wrench to twist the bolt repeatedly to realize the disassembly, effectively saving the disassembly time, improving the convenience of disassembly operation, thereby improving the efficiency of the electromagnetic valve body maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the connecting structure schematic diagram of the insertion shaft and the bottom plate of the utility model;

[0017] Figure 3 It is the connecting structure schematic diagram of the insertion shaft and the resistance block of the utility model;

[0018] Figure 4 It is Figure 3 The enlarged schematic diagram of A of the utility model is shown in the drawing;

[0019] Figure 5 It is the connecting structure schematic diagram of the electromagnetic valve body and the through hole of the utility model;

[0020] Figure 6 It is the structure schematic diagram of the sealing pad of the utility model.

[0021] In the figure: 1, solenoid valve body; 2, through hole; 3, bottom plate; 4, fixed structure; 401, connecting plate; 402, plug shaft; 403, pressing block; 404, block; 405, clamping block; 406, reset spring; 5, mounting hole; 6, air inlet pipe; 7, air outlet pipe; 8, sealing gasket; 9, joint. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , a solenoid valve for automobile brake system, including solenoid valve body 1, the solenoid valve body 1 is in contact with bottom plate 3, the solenoid valve body 1 is equipped with fixed structure 4, the fixed structure 4 includes connecting plate 401 and plug shaft 402, the solenoid valve body 1 is clamped with two plug shafts 402, one end of two plug shafts 402 is fixedly connected with the same connecting plate 401, the connecting plate 401 is in contact with solenoid valve body 1, the plug shaft 402 is slidably connected with block 404, the plug shaft 402 is slidably connected with two clamping blocks 405, the clamping block 405 is in contact with bottom plate 3, the bottom end of block 404 is in contact with two clamping blocks 405, two clamping blocks 405 are equipped with reset spring 406.

[0024] As a technical optimization scheme of the utility model, as Figure 1 shown, the top end of two block 404 is fixedly connected with the same pressing block 403, the both ends of connecting plate 401 extend to the outside of solenoid valve body 1, so that it can be convenient to press the pressing block 403 while holding the both ends of connecting plate 401 with hand, thereby facilitating the movement of connecting plate 401.

[0025] As a technical optimization scheme of the utility model, as Figure 3 shown, the width of the top end section of block 404 is less than the width of the bottom end section, and the section of the inner side of the bottom end of block 404 is V-shaped structure, so that it can avoid the block 404 from separating from the inside of plug shaft 402.

[0026] As a technical optimization scheme of the utility model, as Figure 4As shown, one end of the reset spring 406 is in contact with one of the clamping blocks 405, and the other end of the reset spring 406 is in contact with the other clamping block 405, so that after the pressing block 403 is released, the two clamping blocks 405 can be reset under the action of the reset spring 406.

[0027] As a technical optimization scheme of the utility model, as shown in Figure 4 As shown, the cross section of the end of the clamping block 405 is a trapezoidal structure, and the two clamping blocks 405 are symmetrically distributed about the middle part of the abutting block 404, so that the abutting block 404 can move in contact with the clamping block 405.

[0028] As a technical optimization scheme of the utility model, as shown in Figure 1 and Figure 5 As shown, the electromagnetic valve body 1 is provided with two through holes 2, the insertion shaft 402 penetrates the through hole 2, the maximum diameter of the cross section of the insertion shaft 402 is equal to the diameter of the cross section of the through hole 2, and the cross section of the bottom end of the insertion shaft 402 is a trapezoidal structure, so that the insertion shaft 402 can be limited.

[0029] As a technical optimization scheme of the utility model, as shown in Figure 1 As shown, the electromagnetic valve body 1 is fixedly connected with a connector 9, the electromagnetic valve body 1 is fixedly connected with an air inlet pipe 6, and the electromagnetic valve body 1 is fixedly connected with an air outlet pipe 7, so that the gas can flow through the electromagnetic valve body 1, thereby facilitating the control of the gas through the electromagnetic valve body 1.

[0030] As a technical optimization scheme of the utility model, as shown in Figure 1 and Figure 6 As shown, one of the sealing gaskets 8 is clamped at one end of the air inlet pipe 6, the other sealing gasket 8 is clamped at one end of the air outlet pipe 7, and the width of the cross section of one end of the sealing gasket 8 is greater than that of the other end, so that the sealing property between the air inlet pipe 6 and the air pipe quick connector and the air outlet pipe 7 and the air pipe quick connector can be improved.

[0031] As a technical optimization scheme of the utility model, as shown in Figure 2 As shown, the bottom plate 3 is provided with four mounting holes 5, and the cross section of the mounting hole 5 is a circular structure, so that the bottom plate 3 can be fixedly installed on the automobile through the mounting hole 5 and the cooperation of the bolts.

[0032] The utility model discloses a fixing plate 3 is fixed and is installed on the car through the cooperation bolt of multiple mounting holes 5 in the process of using, can connect between the plug of data transmission line on the car and connector 9 after the completion of electromagnetic valve body 1 fixed, thereby being convenient for the control of electromagnetic valve body 1, inlet pipe 6 and outlet pipe 7 can be connected between gas pipe quick -coupling, then connect between gas pipe and gas pipe quick -coupling, the sealing property between inlet pipe 6 and one gas pipe quick -coupling can be improved through one sealing washer 8, the sealing property between outlet pipe 7 and another gas pipe quick -coupling can be improved through another sealing washer 8, thereby can effectively improve the air tightness of electromagnetic valve body 1 when using, when electromagnetic valve body 1 needs to be disassembled and overhauled when breaking down can be through pressing pressure block 403, pressure block 403 drives two resistance blocks 404 movement, resistance block 404 movement will resist two clamping blocks 405 movement, reset spring 406 contracts, when four clamping blocks 405 do not resist between bottom plate 3 can move connecting plate 401, connecting plate 401 will drive two plug shafts 402 movement, until two plug shafts 402 are extracted from the inside of electromagnetic valve body 1, finally again take electromagnetic valve body 1 from bottom plate 3, thereby the quick disassembly of electromagnetic valve body 1 is realized, avoids the need to help specific specification wrench repeatedly and twists the bolt and realizes its disassembly, effectively saves the time of disassembly, improves the convenience of disassembly operation, thereby improves the efficiency of electromagnetic valve body 1 overhaul maintenance.

[0033] It is obvious to those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0034] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. An electromagnetic valve for an automotive brake system comprising an electromagnetic valve body (1), characterized by: The electromagnetic valve body (1) is in contact with the bottom plate (3), the electromagnetic valve body (1) is provided with a fixing structure (4), the fixing structure (4) comprises a connecting plate (401) and a plug shaft (402), two plug shafts (402) are clamped on the electromagnetic valve body (1), one end of the two plug shafts (402) is fixedly connected with the same connecting plate (401), the connecting plate (401) is in contact with the electromagnetic valve body (1), the plug shaft (402) is slidably connected with a block (404), the plug shaft (402) is slidably connected with two clamping blocks (405), the clamping blocks (405) are in contact with the bottom plate (3), the bottom end of the block (404) is in contact with the two clamping blocks (405), and the two clamping blocks (405) are provided with a reset spring (406).

2. The solenoid valve for use in a brake system of an automobile according to claim 1, characterized in that: The top end of the two blocks (404) is fixedly connected with the same pressing block (403), and the two ends of the connecting plate (401) extend to the outside of the electromagnetic valve body (1).

3. The solenoid valve for use in a brake system of an automobile according to claim 1, characterized in that: The width of the top end cross section of the block (404) is less than that of the bottom end cross section, and the inner side cross section of the bottom end of the block (404) is in V-shaped structure.

4. The solenoid valve for use in a brake system of an automobile according to claim 1, characterized in that: One end of the reset spring (406) is in contact with one of the clamping blocks (405), and the other end of the reset spring (406) is in contact with the other clamping block (405).

5. The solenoid valve for use in a brake system of an automobile according to claim 1, characterized in that: The end cross section of the clamping block (405) is in trapezoidal structure, and the two clamping blocks (405) are symmetrically distributed about the middle part of the block (404).

6. The solenoid valve for use in a brake system of an automobile according to claim 1, characterized in that: Two through holes (2) are formed in the electromagnetic valve body (1), the plug shaft (402) penetrates the through hole (2), the maximum diameter of the cross section of the plug shaft (402) is equal to the diameter of the cross section of the through hole (2), and the cross section of the bottom end of the plug shaft (402) is in trapezoidal structure.

7. The solenoid valve for use in a brake system of an automobile according to claim 1, characterized in that: The joint (9) is fixedly connected to the electromagnetic valve body (1), the air inlet pipe (6) is fixedly connected to the electromagnetic valve body (1), and the air outlet pipe (7) is fixedly connected to the electromagnetic valve body (1).

8. The solenoid valve for use in a brake system of an automobile according to claim 7, characterized in that: One end of the air inlet pipe (6) is clamped with one of the sealing gaskets (8), one end of the air outlet pipe (7) is clamped with the other sealing gasket (8), and the width of the cross section of one end of the sealing gasket (8) is greater than that of the other end.

9. The solenoid valve for use in a brake system of an automobile according to claim 1, characterized in that: Four mounting holes (5) are formed in the bottom plate (3), and the cross section of the mounting hole (5) is in circular structure.