Built-in high-safety damping electromagnetic valve

Abstract

The utility model discloses a built-in high-safety damping electromagnetic valve which comprises a shell and a coil frame arranged on the inner wall of the shell, a coil is arranged in the coil frame, a flux sleeve is fixedly arranged on the inner side of the coil frame, and a guide sleeve assembly is arranged in the flux sleeve. A sealing cavity is defined by the magnetic conductive sleeve and the shell, a wire electrically connected with the coil is arranged in the sealing cavity, and the wire is fixed in the shell through insulating blocks filled on the periphery of the wire; wiring terminals are fixedly arranged on the end sides of the wires, insulation blocking pieces are arranged between the wiring terminals, the corresponding wiring terminals are electrically connected with the corresponding connecting wires, and the connecting wires and the wiring terminals are sleeved with heat shrink tube sleeves. The beneficial effects of the utility model are mainly embodied in that the design is exquisite, the layout is reasonable, the wires are fully and conductively connected with the corresponding connecting wires, the process is simple and reliable, and the assembly efficiency is greatly improved. In addition, short circuit between the wiring terminals can be prevented through the arrangement of the insulating separation blades, and the safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to solenoid valve technical field, specifically, especially, it relates to a built-in high security shock absorbing solenoid valve. BACKGROUND

[0002] In the vehicle suspension system, the damping force adjustment of the shock absorber is the core technology of balancing the driving comfort and the control stability. The traditional shock absorber realizes energy dissipation through the preset damping characteristic, but its fixed damping parameter cannot adapt to the complex and changeable driving conditions (such as bumpy road, high-speed lane changing or emergency braking). With the improvement of the user's demand for the dynamic performance of the vehicle, how to adjust the damping force of the shock absorber in real time to optimize the comfort and improve the safety becomes a key challenge for the design of the suspension system.

[0003] As China patent number 202422141985.1 discloses an assembled electromagnet, including a shell and an electromagnetic assembly arranged inside, one side of the shell is provided with a positioning block, a through groove is formed in the positioning block, a terminal is arranged in the through groove, the horizontal end of the terminal penetrates the through groove and is connected with the coil on the electromagnetic assembly, the vertical end of the terminal extends into the plug-in sheath, the plug-in sheath is sleeved on the positioning block, and the plug-in sheath is locked together through a locking piece. However, the connection structure of the terminal and the coil is complex, cannot be quickly installed, and the power connection is unreliable, greatly increasing the cost and having great limitations. In addition, if the pressure inside the electromagnet is too large, the electromagnet valve core will vibrate, which is a safety hazard. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the deficiencies in the prior art, and provides a built-in high security shock absorbing solenoid valve.

[0005] The utility model aims at overcoming the deficiencies in the prior art, and provides a built-in high security shock absorbing solenoid valve.

[0006] A built-in high security shock absorbing solenoid valve, including the shell and the coil support that sets up on the inner wall of the shell, the coil support is built-in coil, the inner side of the coil support is fixed with the magnetism guide cover, the magnetism guide cover is equipped with the guide sleeve assembly in, the magnetism guide cover with the shell configuration defines a sealed cavity, the sealed cavity is equipped with the wire of electric connection with the coil, the wire is fixed in the shell by the insulating block filled in its four around, the end side of the wire is fixed with the terminal, the terminal is equipped with the insulating baffle between, the terminal is electrically connected with the corresponding connecting wire, the connecting wire is equipped with the heat shrink tube sleeve on the terminal.

[0007] Preferably, the guide sleeve assembly includes at least a fixed iron core fixed inside the magnetic sleeve. The fixed iron core has a sliding groove, and a matching push rod is slidably disposed in the sliding groove. An armature is fixed on the push rod, and a return spring is also sleeved on the push rod. One end of the return spring abuts against the fixed iron core, and the other end abuts against the armature.

[0008] Preferably, bearings are fitted at both ends of the push rod, wherein the outer ring of one bearing is fixed on the fixed iron core, and the outer ring of the other bearing is fixed on the magnetic sleeve.

[0009] Preferably, a slot is provided inside the fixed iron core, and a spring seat is provided inside the slot, with one end of the reset spring fixed inside the spring seat.

[0010] Preferably, a sealing groove is formed on the outer circumferential surface of the magnetic sleeve, and a sealing ring is provided in the sealing groove. The outer circumferential surface of the sealing ring is always partially in close contact with the inner wall of the housing.

[0011] Preferably, the housing and the magnetic sleeve are further provided with pressure relief channels, which are connected to the sliding groove.

[0012] The beneficial effects of this utility model are mainly reflected in:

[0013] 1. The design is ingenious and the layout is reasonable. The wires and corresponding grounding wires are fully electrically connected, and the process is simple and reliable, greatly improving assembly efficiency. In addition, the insulating baffle prevents short circuits between the terminals, improving safety. The technical solution of this utility model has a novel and robust structure, is easy to assemble, and solves the problems of complex structure and high cost of existing solenoid valves.

[0014] 2. The guide sleeve assembly features a clever structure that minimizes space occupation, achieves high integration, significantly reduces costs, and has wide applicability. Simultaneously, the bearing design reduces friction between the push rod, the fixed iron core, and the magnetic sleeve, lowering noise levels and extending service life.

[0015] 3. The pressure relief channel can release the hydraulic pressure acting on the push rod to the outside, reducing the vibration of the solenoid valve core caused by external pressure fluctuations and improving safety. Attached Figure Description

[0016] The technical solution of this utility model will be further described below with reference to the accompanying drawings:

[0017] Fig. 1 : A first-direction sectional view of a preferred embodiment of the present invention;

[0018] Fig. 2 The present invention has a preferred embodiment with a second-direction sectional view. Detailed Implementation

[0019] The utility model will be described in detail below in combination with the specific embodiments shown in the drawings. However, these embodiments are not limited to the utility model, and the changes made by ordinary skilled persons in the art in structure, method or function based on these embodiments are all included in the protection scope of the utility model.

[0020] The utility model will be described in detail below in combination with the specific embodiments shown in the drawings. However, these embodiments are not limited to the utility model, and the changes made by ordinary skilled persons in the art in structure, method or function based on these embodiments are all included in the protection scope of the utility model.

[0021] As Figs. 1-2 The utility model discloses a built -in high security damping electromagnetic valve, including the casing 1 and setting on the coil support 2 of casing 1 inner wall, the coil support 2 is built in coil 21, in this embodiment, the function of coil is to produce the magnetic field, when the current passes through coil 21, the electron in the coil will form electron stream, to produce a magnetic field.

[0022] The inner side of the coil support 2 is fixed with a magnetic conducting sleeve 3, the magnetic conducting sleeve 3 is provided with a guide sleeve assembly 5, the guide sleeve assembly 5 at least includes a fixed iron core 51 fixed in the magnetic conducting sleeve 3, the fixed iron core 51 is provided with a sliding groove 52, the sliding groove 52 is provided with a top rod 53 matched therewith, the top rod 53 is fixed with an armature 59, the top rod 53 is also provided with a reset spring 54, one end of the reset spring 54 abuts against the fixed iron core 51, and the other end abuts against the armature 59. In the above, the guide sleeve assembly structure is exquisite, the layout is reasonable, the occupied space is reduced, the high integration is realized, the cost is greatly reduced, and the wide applicability is obtained.

[0023] Further, both ends of the top rod 53 are provided with bearings 55, one of the outer rings of the bearings 55 is fixed on the fixed iron core 51, and the outer ring of the other bearing 55 is fixed on the magnetic conducting sleeve 3. The setting of the bearing 55 can reduce the friction between the top rod and the fixed iron core and the magnetic conducting sleeve 3, reduce the generation of noise, and prolong the service life.

[0024] The sealing cavity 31 is defined by the magnetic conducting sleeve 3 and the shell 1, and the wire 32 electrically connected with the coil 21 is arranged in the sealing cavity 31, the wire 32 is fixed in the shell 1 by the insulating block 33 filled around the wire 32, the terminal 37 is fixed at the end side of the wire 32, the insulating baffle 4 is arranged between the terminals 37, the terminals 37 are electrically connected with the corresponding connecting wire 9, and the heat shrink tube sleeve is arranged on the connecting wire 9 and the terminal 37. The wire 32 and the corresponding connecting wire are connected by welding, the process is simple and reliable, and the assembly efficiency is greatly improved. The technical scheme of the utility model has the advantages of novel structure, firmness, convenient assembly, complex structure of the existing electromagnetic valve, high cost and the like. In addition, the arrangement of the insulating baffle 4 can prevent short circuit between the terminals and improve safety.

[0025] The clamping groove 56 is arranged in the fixed iron core 51, the spring seat 57 is arranged in the clamping groove 56, and one end of the reset spring 54 is fixed in the spring seat 57. The sealing groove 34 is arranged on the outer circumferential surface of the magnetic conducting sleeve 3, the sealing ring 35 is arranged in the sealing groove 34, and the outer circumferential surface of the sealing ring 35 is always in close contact with the inner wall of the shell 1.

[0026] In the preferred embodiment, the shell 1 and the magnetic conducting sleeve 3 are also provided with the pressure relief channel 8, and the pressure relief channel 8 is communicated with the sliding groove 52. The pressure relief channel 8 can release the hydraulic pressure acting on the position of the top rod to the outside, reduce the electromagnetic valve core shaking phenomenon caused by external pressure fluctuation, and improve safety.

[0027] 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 can be understood by those skilled in the art.

[0028] The above series of detailed descriptions are only specific descriptions of the feasible embodiments of the utility model, and they are not used to limit the protection scope of the utility model, and equivalent embodiments or changes made without departing from the spirit of the utility model art should be included in the protection scope of the utility model.

Claims

1. A built-in high-safety damping electromagnetic valve, comprising a shell (1) and a coil holder (2) arranged on the inner wall of the shell (1), the coil holder (2) being built-in with a coil (21), characterized in that: The inner side of the coil holder (2) is fixed with a magnetic conducting sleeve (3), the magnetic conducting sleeve (3) is provided with a guide sleeve assembly (5); the magnetic conducting sleeve (3) and the shell (1) are arranged to define a sealed cavity (31), the sealed cavity (31) is provided with a wire (32) electrically connected with the coil (21), the wire (32) is fixed in the shell (1) by the insulating block (33) filled around it; the end side of the wire (32) is fixed with a terminal (37), the terminal (37) is provided with an insulating baffle (4) between, and the terminal (37) is electrically connected with the corresponding connecting wire (9), the connecting wire (9) and the terminal (37) are provided with a heat shrink tube sleeve.

2. The built-in high-safety shock absorber solenoid valve according to claim 1, characterized by: The guide sleeve assembly (5) at least includes a fixed iron core (51) fixed in the magnetic conducting sleeve (3), the fixed iron core (51) is provided with a sliding groove (52), the sliding groove (52) is provided with a top rod (53) matched therewith, the top rod (53) is fixed with an armature (59), the top rod (53) is further provided with a reset spring (54), one end of the reset spring (54) abuts against the fixed iron core (51), and the other end abuts against the armature (59).

3. The built-in high-safety shock absorber solenoid valve according to claim 2, characterized by: Both ends of the top rod (53) are provided with bearings (55), one of the bearings (55) is fixed on the fixed iron core (51), and the other of the bearings (55) is fixed on the magnetic conducting sleeve (3).

4. The built-in high-safety shock absorber solenoid valve according to claim 2, characterized by: The fixed iron core (51) is provided with a clamping groove (56), the clamping groove (56) is provided with a spring seat (57), and one end of the reset spring (54) is fixed in the spring seat (57).

5. The built-in high safety shock absorber solenoid valve according to claim 2, characterized in that: The outer circumferential surface of the magnetic conducting sleeve (3) is provided with a sealing groove (34), the sealing groove (34) is provided with a sealing ring (35), and the outer circumferential surface of the sealing ring (35) is always partially in close contact with the inner wall of the shell (1).

6. The built-in high safety shock absorber solenoid valve according to claim 2, characterized in that: The shell (1) and the magnetic conducting sleeve (3) are further provided with a pressure relief channel (8), and the pressure relief channel (8) is communicated with the sliding groove (52).

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