CN218267521U

CN218267521U - Closed-loop air spring control electromagnetic valve

Info

Publication number: CN218267521U
Application number: CN202222686164.7U
Authority: CN
Inventors: 洪华君; 邓鹄; 蒋木林
Original assignee: Xgm Corp ltd
Current assignee: Xgm Corp ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-01-10
Anticipated expiration: 2032-10-12

Abstract

The utility model provides a closed loop air spring control solenoid for the setting is separated into main air chamber and auxiliary air chamber in air spring and with air spring, include: the coil framework is arranged in the shell; the winding is provided with the enameled coil on the coil skeleton, and the enameled coil is connected with binding post on the casing, has seted up the holding chamber in the casing, and the holding intracavity is provided with static head and moves the head, and static head is fixed to be set up in the casing, moves the head and arranges the casing in the activity, and the holding intracavity still is provided with and moves the iron core that the head is connected, moves the other end of head and is provided with the end cap with the sealed complex of outside base. The utility model discloses a holistic simple structure of closed loop air spring control solenoid valve, manufacturing cost is lower, utilizes wide voltage power supply to use more extensively, can the effective control air spring in the main and auxiliary air chamber switch on or close.

Description

Closed-loop air spring control electromagnetic valve

Technical Field

The utility model relates to a solenoid valve technical field, in particular to closed loop air spring control solenoid valve.

Background

The electromagnetic valve is industrial equipment controlled by electromagnetism, is an automatic basic element for controlling fluid, is used for adjusting the direction, flow, speed and other parameters of a medium in an industrial control system, comprises a two-position three-way valve, a two-position four-way valve, a two-position five-way valve and the like, can be used in an inflating pump to control the trend of air flow, and has the advantages of light weight, good smoothness, high stability and the like, so the electromagnetic valve is widely applied to the field of automobile production and modification. For the automobile, different driving modes need to be changed according to different road conditions when the automobile is used, and the different driving modes correspond to different air spring states (for example, the lifting mode needs to inflate air springs to lift the ground clearance of a chassis), and the switching speed between the different driving modes directly influences the use experience of a user. At present, in a common automobile electric control air spring system in the market, in order to realize various necessary functions, such as ascending or descending, internal exhaust and inflation conversion needs to be realized, so that an electromagnetic valve is needed for conversion control. However, most of the existing air springs adopt integrated electromagnetic valves to control the inflating pump to realize air exhaust and inflation of the air springs, and due to the fact that the structure and the internal control of the integrated electromagnetic valves are complex, the overall manufacturing cost is higher directly, voltage design control is carried out on the integrated electromagnetic valves, and the manufacturing and control processes are troublesome.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide an overall structure is simpler, manufacturing cost is lower and power supply uses extensive closed loop air spring control solenoid valve.

(II) technical scheme

In order to solve the technical problem, the utility model discloses a closed loop air spring control solenoid valve for set up in air spring and separate into main air chamber and auxiliary air chamber with air spring, include: the coil framework is arranged in the shell; an enameled coil is wound on the coil framework and connected with a wiring terminal on the shell, an accommodating cavity is formed in the shell, a static guide head and a movable guide head are arranged in the accommodating cavity, the static guide head is fixedly arranged in the shell, the movable guide head is movably arranged in the shell, an iron core connected with the movable guide head is further arranged in the accommodating cavity, and a plug hermetically matched with an external base is arranged at the other end of the movable guide head; when the power is on: the enameled coil generates a magnetic field in the accommodating cavity to drive the iron core and the movable guide head to move towards the outer side of the shell, and the plug and the external base are sealed to close the air paths of the main air chamber and the auxiliary air chamber.

The utility model discloses a set up the static lead with move the magnetic field that produces when leading the head and can guarantee the solenoid valve circular telegram and drive move the lead with the end cap activity to the realization is to the gas circuit control of the main air chamber of air spring and auxiliary air chamber, can guarantee normal exhaust and aerify the conversion and realize the rising or the decline of air spring, and the structure of inside is more simple, low in manufacturing cost, seting up of holding chamber can reduce occupation of overall space structure to through binding post's wide voltage power supply, make the application of conversion solenoid valve more extensive.

Furthermore, a copper pipe is arranged between the movable guide head and the iron core, and the copper pipe, the movable guide head and the iron core are connected in an interference fit manner.

The utility model discloses the setting of well copper pipe can be guaranteed the iron core with move the cooperation between the guide, can pass through the magnetic field that enameled coil produced after the circular telegram drives the iron core with move the motion of guide, through the copper pipe can play the effect of connection, guarantees that inside structure sets up rationally

Furthermore, a sliding groove is formed in one end, away from the iron core, of the static guide head, the movable guide head is arranged in the sliding groove to move, and the copper pipe penetrates through the static guide head and is connected with the iron core.

The utility model discloses a spout can reduce inner structure occupation space, can guarantee simultaneously it is in to move the leader the intercommunication or the closing that main air chamber and auxiliary air chamber were controlled in the sharp activity in the magnetic field, occupation space is few just the spout can be guaranteed move the linear motion of leader, it is right it plays certain limiting displacement to move the leader.

Furthermore, an elastic part used for resetting the iron core and the movable guide head is arranged between the iron core and the static guide head.

Elastic component's setting can be guaranteed the solenoid valve is cut off the power supply after, through elastic component's elasticity makes the iron core with it makes to move the guide to the inboard activity of casing main air chamber with the auxiliary air chamber gas circuit switches on.

Further, the base sets up the casing is close to one side of static head, the base with be provided with first sealing washer between the casing, the base with be provided with the second sealing washer between the static head, being close to of casing one side of iron core is provided with the female seat of plug, on the female seat of plug with one side of casing is provided with the rubber pad, the female seat of plug with be provided with the third sealing washer between the casing.

The utility model discloses a setting up of sealing washer can guarantee overall structure's leakproofness, the female seat of plug with the installation that the solenoid valve can be guaranteed in setting up of rubber pad is firm and inside leakproofness, can switch on with the outside simultaneously, and the structure setting of inside is more reasonable.

Furthermore, one end of the movable guide head is sleeved with a guider, two sides of the guider are respectively fixed with the static guide head and the base in a limiting matching mode, and the movable guide head is arranged in the guider to move.

The utility model discloses in the setting of director can be right move the leader and play certain limiting displacement, can guarantee move the leader and be in linear motion is in the casing, guarantees move the normal use of leader.

Furthermore, a buffer pad is arranged between one end of the movable guide head and the static guide head, and the elastic piece can push the buffer effect when the movable guide head resets when the electromagnetic valve is powered off, so that the movable guide head and the static guide head are protected to a certain extent, and the service life is prolonged.

Furthermore, the base is provided with an air passing groove, the plug is in sealing fit with the base when the electromagnetic valve is powered on to disconnect an air path of the air passing groove, and the plug is far away from the base when the electromagnetic valve is powered off to conduct the air path of the air passing groove.

The utility model discloses in crossing seting up of gas tank and effectively guaranteeing main air chamber with switching on and closing of auxiliary air chamber can effectively guarantee the end cap with the normal use of solenoid valve is guaranteed in the cooperation of base.

Furthermore, the plug and the movable guide head are of an integrated structure, and the overall structure stability is better.

(III) advantageous effects

The utility model relates to a closed loop air spring control solenoid lies in for prior art's advantage: holistic structure is simpler, and manufacturing cost is lower, and the gas circuit of main air chamber and auxiliary air chamber when can realizing the circular telegram is closed, and main air chamber and auxiliary air chamber gas circuit when the outage switch on, guarantee that air spring rises or the inflation exhaust demand that descends under different demands, in addition through binding post's wide voltage power supply, make the solenoid valve use more extensively.

Drawings

Fig. 1 is a front view of a closed-loop air spring control solenoid valve of the present invention;

FIG. 2 is a cross-sectional view of the closed-loop air spring control solenoid valve of the present invention when it is de-energized;

wherein: the structure comprises a shell 1, a coil framework 2, an enameled coil 3, a wiring terminal 4, an accommodating cavity 5, a static guide head 601, a movable guide head 602, an iron core 7, a plug 8, a base 9, an air passing groove 901, a copper pipe 10, an elastic piece 11, a sliding groove 12, a first sealing ring 1301, a second sealing ring 1302, a third sealing ring 1303, a plug female seat 14, a rubber pad 15, a guider 16 and a cushion pad 17.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1 and 2, a closed-loop air spring control solenoid valve disposed in an air spring and dividing the air spring into a main air chamber and an auxiliary air chamber in a use state includes: the coil comprises a shell 1 and a coil framework 2 arranged in the shell 1; an enameled coil 3 is wound on the coil framework 2, the enameled coil 3 is connected with a wiring terminal 4 on the shell 1, an accommodating cavity 5 is formed in the shell 1, a static guide head 601 and a movable guide head 602 are arranged in the accommodating cavity 5, the static guide head 601 is fixedly arranged in the shell 1, the movable guide head 602 is movably arranged in the shell 1, an iron core 7 connected with the movable guide head 602 is further arranged in the accommodating cavity 5, and a plug 8 in sealing fit with an external base 9 is arranged at the other end of the movable guide head 602; when the power is on: the enameled coil 3 generates a magnetic field in the accommodating cavity 5 to drive the iron core 7 and the movable guide head 602 to move towards the outer side of the shell 1, and the plug 8 and the external base 9 are sealed to close the air paths of the main air chamber and the auxiliary air chamber.

In the embodiment, the static guide head 601 is fixedly arranged, one end part of the movable guide head 602 is arranged in the static guide head 601, the other end part of the movable guide head is arranged in the shell 1, when the electromagnetic valve is electrified, the wiring terminal 4 is communicated with an external power supply to enable the enameled coil 3 to generate a magnetic field in the accommodating cavity 5, the iron core 7 moves towards the direction of the base 9 under the action of the magnetic field and pushes the movable guide head 602 and the plug 8 to move linearly to enable the plug 8 to be abutted against the base 9 in a sealing manner, and therefore the air passages of the main air chamber and the auxiliary air chamber are isolated; when the electromagnetic valve is powered off, the magnetic field in the accommodating cavity 5 disappears, the iron core 7 and the movable guide head 602 reset under the action of the elastic piece 11, and the air paths of the main air chamber and the auxiliary air chamber are communicated.

Referring to fig. 1 and 2, a copper pipe 10 is disposed between the movable guide head 602 and the iron core 7, and the copper pipe 10, the movable guide head 602 and the iron core 7 are connected in an interference fit manner.

In specific embodiment, copper pipe 10 is connected with iron core 7 and move lead 602 through interference fit and stabilize respectively, can drive the synchronous motion who moves lead 602 when iron core 7 moves, can play the effect of connecting through copper pipe 10, guarantees that inside structure sets up rationally.

Referring to fig. 1 and 2, a sliding groove 12 is formed at an end of the static guiding head 601 away from the iron core 7, the movable guiding head 602 is movably disposed in the sliding groove 12, and the copper pipe 10 penetrates through the static guiding head 601 and is connected to the iron core 7.

In a specific embodiment, the chute 12 can reduce the space occupied by the internal structure, and at the same time, can ensure that the linear motion of the movable guide 602 in the magnetic field controls the communication or closing of the primary air chamber and the secondary air chamber, and the chute 12 can ensure the linear motion of the movable guide 602, so as to limit the movable guide 602 to a certain extent.

Referring to fig. 1 and 2, an elastic element 11 for restoring the iron core 7 and the movable lead 602 is disposed between the iron core 7 and the stationary lead 601, in this embodiment, the elastic element 11 is a spring, and the elastic element 11 may be a push spring, so as to achieve the restoring effect on the iron core 7 and the movable lead 602 after the power failure.

Referring to fig. 1 and 2, the base 9 is disposed on one side of the housing 1 close to the static conductive head 601, a first sealing ring 1301 is disposed between the base 9 and the housing 1, a second sealing ring 1302 is disposed between the base 9 and the static conductive head 601, a female plug seat 14 is disposed on one side of the housing 1 close to the iron core 7, rubber pads 15 are disposed on the female plug seat 14 and one side of the housing 1, and a third sealing ring 1303 is disposed between the female plug seat 14 and the housing 1.

In specific implementation mode, through the leakproofness of overall structure can be guaranteed in the setting of sealing washer, female seat of plug 14 with the installation that the solenoid valve can be guaranteed in the setting of rubber pad 15 is firm and inside leakproofness, can switch on with the outside simultaneously, and inside structure sets up more rationally.

Referring to fig. 1 and 2, one end of the movable guide 602 is sleeved with the guide 16, two sides of the guide 16 are respectively fixed with the static guide 601 and the base 9 in a limiting fit manner, and the movable guide 602 is movably disposed in the guide 16.

In a specific embodiment, the guide 16 is arranged to limit the movable guide 602 to a certain extent, so as to ensure that the movable guide 602 moves linearly in the housing 1, and ensure normal use of the movable guide 602.

Referring to fig. 1 and 2, a buffer pad 17 is disposed between one end of the movable guide 602 and the static guide 601, and can exert a buffering effect when the elastic element pushes the movable guide 602 to reset when the solenoid valve is powered off, so as to protect the movable guide 602 and the static guide 601 to a certain extent and prolong the service life.

Referring to fig. 1 and 2, the base 9 is provided with an air passing groove 901, the plug 8 is in sealing fit with the base 9 when the electromagnetic valve is powered on to disconnect an air path of the air passing groove 901, and when the electromagnetic valve is powered off, the plug is far away from the base 9 to connect the air path of the air passing groove 901.

In a specific embodiment, the opening of the air passing groove 901 can effectively ensure the conduction and the closing of the main air chamber and the auxiliary air chamber, can effectively ensure the matching of the plug 8 and the base 9, and ensure the normal use of the electromagnetic valve.

Referring to fig. 1 and 2, the plug 8 and the movable guide 602 are of an integrated structure, and are bonded into an integrated structure by a rubber vulcanization process, so that the connection between the plug 8 and the movable guide 602 is more stable.

The holistic structure of this embodiment closed loop air spring control solenoid valve is simpler, and manufacturing cost is lower, and the gas circuit that can realize main air chamber and auxiliary air chamber when circular telegram closes, and main air chamber and auxiliary air chamber gas circuit during outage switch on, guarantee that air spring rises or the gassing demand that descends under different demands, and wide voltage power supply through binding post in addition makes the solenoid valve use more extensively.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A closed-loop air spring control solenoid valve for being disposed in an air spring and dividing the air spring into a main air chamber and an auxiliary air chamber, comprising: the coil comprises a shell (1) and a coil framework (2) arranged in the shell (1); an enameled coil (3) is wound on the coil framework (2), the enameled coil (3) is connected with a wiring terminal (4) on the shell (1), an accommodating cavity (5) is formed in the shell (1), a static guide head (601) and a movable guide head (602) are arranged in the accommodating cavity (5), the static guide head (601) is fixedly arranged in the shell (1), the movable guide head (602) is movably arranged in the shell (1), an iron core (7) connected with the movable guide head (602) is further arranged in the accommodating cavity (5), and a plug (8) in sealing fit with an external base (9) is arranged at the other end of the movable guide head (602); when the power is on: the enameled coil (3) generates a magnetic field in the accommodating cavity (5) to drive the iron core (7) and the movable guide head (602) to move towards the outer side of the shell (1), and the choke plug (8) and the external base (9) are sealed to realize the closing of the air paths of the main air chamber and the auxiliary air chamber.

2. The closed-loop air spring control solenoid valve of claim 1, wherein a copper tube (10) is disposed between said movable guide head (602) and said iron core (7), and said copper tube (10), said movable guide head (602) and said iron core (7) are connected by interference fit.

3. A closed-loop air spring control solenoid valve as claimed in claim 2, wherein a sliding groove (12) is formed at one end of the static guide head (601) far away from the iron core (7), the movable guide head (602) is movably arranged in the sliding groove (12), and the copper pipe (10) penetrates through the static guide head (601) and is connected with the iron core (7).

4. Closed-loop air spring control solenoid valve according to claim 1, characterized in that between said plunger (7) and said static head (601) there is provided an elastic element (11) for the return of said plunger (7) and said movable head (602).

5. Closed loop air spring control solenoid valve according to claim 1, characterised in that said base (9) is arranged on the side of said housing (1) close to said static pilot head (601), a first sealing ring (1301) is arranged between said base (9) and said housing (1), and a second sealing ring (1302) is arranged between said base (9) and said static pilot head (601).

6. Closed-loop air spring control solenoid valve according to claim 1, characterized in that a female plug seat (14) is provided on the side of the housing (1) close to the iron core (7), rubber pads (15) are provided on the female plug seat (14) and on the side of the housing (1), and a third sealing ring (1303) is provided between the female plug seat (14) and the housing (1).

7. The closed-loop air spring control solenoid valve as claimed in claim 1, wherein a guider (16) is sleeved at one end of the movable guide head (602), two sides of the guider (16) are respectively fixed with the static guide head (601) and the base (9) in a limiting fit manner, and the movable guide head (602) is movably arranged in the guider (16).

8. Closed-loop air spring control solenoid valve according to claim 1, characterized in that a cushion (17) is provided between one end of said movable pilot head (602) and said static pilot head (601).

9. The closed-loop air spring control electromagnetic valve according to claim 1, wherein the base (9) is provided with an air passing groove (901), the plug (8) is hermetically matched with the base (9) when the electromagnetic valve is powered on to disconnect an air passage of the air passing groove (901), and when the electromagnetic valve is powered off, the plug is far away from the base (9) to conduct the air passage of the air passing groove (901).

10. Closed loop air spring control solenoid valve according to claim 1, characterized in that said plug (8) and said movable pilot head (602) are of one-piece construction.