CN221097653U - Solenoid valve device - Google Patents

Abstract

The present utility model provides a solenoid valve device, comprising: the wire winding device comprises an insulating shell, a wire spool, a wire, a pair of terminals and a cable, wherein the wire spool is accommodated in the insulating shell, the wire is wound on the wire spool, the pair of terminals are fixed on the wire spool and connected with the wire, the cable is connected to the terminals, the insulating shell is provided with an outer cylinder and a cover body, the outer cylinder surrounds the periphery of the wire, the cover body is positioned above the outer cylinder, a wiring part protruding outwards is arranged on the cover body, and at least two groups of wire pressing grooves distributed in the length direction of the cable are formed in the wiring part; the terminal is provided with a main arm extending transversely and a fixing arm extending vertically, and a folding piece for clamping the cable and the lead is formed on the side edge of the main arm. The utility model ensures that the internal connection of the electromagnetic valve device is more stable and reliable by optimizing the structure of the insulating shell.

Description

Solenoid valve device

Technical Field

The present disclosure relates to electrical connection, and particularly to an electromagnetic valve device.

Background

Solenoid valves are one of the most commonly used components in industrial plants today, and are the automated basic components used to control fluids, and can be used to regulate the direction, flow, velocity, and other parameters of the fluid medium in an industrial control system. The solenoid valve can cooperate with different circuits to realize the expected control, and the control precision and flexibility can be ensured, and the variety of solenoid valves is also many, and different solenoid valves can play different roles in different positions of a control system. The common solenoid valve mainly includes insulating housing, the spool (also known as bobbin or coil former) that is located insulating housing, encircle the enameled wire on the spool, connect enameled wire's metal terminal, connect metal terminal's cable, wherein, the terminal of cable connect to in the insulating housing and with metal terminal connects, and the unstable problem of connection often can appear in the junction of insulating housing, cable and metal terminal among the prior art, for example take place to loosen or become flexible between cable and the insulating housing, lead to the gas tightness between the two to be influenced greatly, and then influence the sinle silk of cable and metal terminal's connection stability.

Disclosure of utility model

The technical problem to be solved by the utility model is to provide a solenoid valve device so as to solve the problem of poor connection stability in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme: a solenoid valve apparatus comprising: the wire winding device comprises an insulating shell, a wire spool, a wire, a pair of terminals and a cable, wherein the wire spool is accommodated in the insulating shell, the wire is wound on the wire spool, the pair of terminals are fixed on the wire spool and connected with the wire, the cable is connected to the terminals, the insulating shell is provided with an outer cylinder and a cover body, the outer cylinder surrounds the periphery of the wire, the cover body is positioned above the outer cylinder, a wiring part protruding outwards is arranged on the cover body, and at least two groups of wire pressing grooves distributed in the length direction of the cable are formed in the wiring part; the terminal is provided with a transversely extending main arm and a vertically extending fixing arm, and a folding piece for clamping the cable and the lead is formed on the side edge of the main arm.

Further, the wiring part surrounds the periphery of the cable, and the two groups of wire pressing grooves surround the periphery of the cable, so that the wiring part is pressed inwards to fix the cable.

Further, the spool is provided with a winding post, a top ring edge positioned at the top of the winding post, a bottom ring edge positioned at the bottom of the winding post and a mounting head positioned above the top ring edge, the wire surrounds the winding post and is arranged between the top ring edge and the bottom ring edge, and a plurality of channels which are internally and externally communicated are formed on the top ring edge.

Further, the electromagnetic valve device further comprises a lining cylinder, wherein the lining cylinder is positioned in the spool and is provided with a base and a convex column part protruding downwards from the base, a plurality of protruding parts are uniformly distributed in the circumferential direction of the base, and the protruding parts extend into the channel.

Further, a through hole is formed at the center of the base, the through hole penetrates the boss portion downwards, and the boss portion extends downwards into the winding post.

Further, the number of the fixing arms is a pair, the fixing arms are bent downwards and vertically from two side edges of the main arm, and the two fixing arms are parallel to each other and form an inverted U-shaped structure together with the main arm, wherein the inverted U-shaped structure is positioned at the tail end of the terminal.

Further, a pair of folding pieces are formed on each terminal, the folding pieces and the fixing arms are respectively located on the upper side and the lower side of the main arm, and the fixing arms extend downwards and are inserted on the spool.

Further, the folding piece extends obliquely upwards and is positioned above the main arm; the pair of terminals are symmetrically arranged, and the folded sheets of the pair of terminals extend towards opposite directions respectively.

Further, one of the pair of folding pieces on each terminal is fixedly connected with the cable, and the wire core of the cable is clamped between the folding piece and the main arm.

Further, a clamping groove for clamping the fixing arm is formed in the mounting head of the spool.

Compared with the prior art, the electromagnetic valve device has the advantages that the wiring part of the electromagnetic valve device can be better and more firmly combined with the cable through optimizing the structure of the insulating shell, and the terminal can be better connected and fixed with the cable and the lead through the pair of tabs, so that the internal connection of the electromagnetic valve device is more stable and reliable.

Drawings

Fig. 1 is a perspective view of a solenoid valve device according to the present utility model.

Fig. 2 is an exploded view of the solenoid valve device according to the present utility model.

Fig. 3 is a perspective view of the solenoid valve device according to the present utility model with the insulating housing removed.

Fig. 4 is a schematic diagram showing connection between a cable and a terminal of the solenoid valve device according to the present utility model.

Description of the embodiments

Referring to fig. 1 to 4, the present utility model provides a solenoid valve device, which includes: an insulation case 10, a bobbin 30 positioned under the insulation case 10, a wire 20 wound around the bobbin 30, a terminal 40 connected to the wire 20, a liner 50 embedded in the bobbin 30, and a cable 60 connected to the terminal 40. The specific structure of the foregoing individual components is described in detail below.

The insulating housing 10 is manufactured by an injection molding process, and is provided with an outer cylinder 11 and a cover 12, wherein the outer cylinder 11 and the cover 12 are integrally formed, the outer cylinder 11 is covered on the surface of the wire 20 by the injection molding process, so that the wire 20 is covered on the inner side of the wire, and the cover 12 is formed above the outer cylinder, is used for covering the top of the spool 30, and is fixedly connected with the cable 60. Preferably, the cover 12 is provided with a wiring portion 14 protruding outwards, the wiring portion 14 surrounds the cable 60, at least two sets of wire pressing grooves 15A and 15B are formed on the wiring portion 14, the wire pressing grooves 15A and the wire pressing grooves 15B surround the cable 60, and the two sets of wire pressing grooves 15A and 15B are distributed along the length direction of the cable 60, i.e. the wire pressing grooves 15A are located at the inner side of the wire pressing grooves 15B. The wire pressing grooves 15A and 15B are used for pressing and clamping the wire cores of the cables 60 inside the wire pressing grooves, so that the binding force between the cables 60 and the wire connection portion 14 is enhanced. The insulating housing 10 is manufactured by a separate injection molding process and is coated on the outer side of the bobbin 30, and similarly, the bobbin 30 is manufactured by a separate injection molding process, that is, the solenoid valve device of the present utility model is manufactured by two injection molding processes sequentially, that is, the bobbin 30 is injection molded first and the insulating housing 10 is injection molded on the bobbin 30 second.

The wire 20 is wound around the bobbin 30 and around the circumference of the winding post 31 of the bobbin 30, and the wire 20 is provided with a pair of lead wires 21 for connection with the terminal 40, specifically, the lead wires 21 extend from bottom to top to the top position of the bobbin 30 to be wound around the terminal 40, as shown in fig. 3.

The spool 30 is provided with a winding post 31, a top ring edge 32 located at the top of the winding post 31, a bottom ring edge 33 located at the bottom of the winding post 31, and a mounting head 34 located above the top ring edge 32, wherein the winding post 31 is cylindrical and vertically disposed in the wire 20 for winding the wire 20. The top ring edge 32, the coil body 31 and the bottom ring edge 33 together form an i-shaped structure. The mounting head 34 is covered by the insulating housing 10, and the top of the mounting head 34 is covered by the cover 12, the mounting head 34 is provided with a pair of clamping grooves 35 for clamping the terminals 40, and the clamping grooves 35 are upward open for the terminals 40 to be inserted therein from top to bottom. Preferably, the top rim 32 has a plurality of channels 36 formed therein for receiving the protrusions 53 of the liner sleeve 50.

The number of the terminals 40 is a pair, the terminals are clamped on the mounting head 34, and a main arm 41 extending transversely and a fixing arm 42 extending vertically are provided, wherein the main arm 41 is used for being connected with the outgoing line 21 of the wire 20, and the fixing arm 42 is bent downwards from the tail end of the main arm 41 and is inserted into the clamping groove 35, so that the terminals 40 are fixed in the mounting head 34. Preferably, a pair of folding pieces 43 are formed on the side edges of the main arm 41, the folding pieces 43 are folded upwards and are used for winding the outgoing wires 21, so that the outgoing wires 21 and the terminals 40 can be better connected together in a winding manner, as shown in fig. 4, the folding pieces 43 extend obliquely upwards and are positioned above the main arm 41, it is to be noted that the pair of terminals 40 are symmetrically arranged, the folding pieces 43 extend in opposite directions respectively, one folding piece 43 of the pair of folding pieces 43 is used for fixedly connecting with the cable 60, and the wire core of the cable 60 is clamped between the folding pieces 43 and the main arm 41; the fixing arms 42 are formed by bending downwards and vertically from two sides of the main arm 41, so as to strengthen the binding force between the terminal 40 and the mounting head 34, and the two fixing arms 42 are parallel to each other and form an inverted U-shaped structure together with the main arm 41 at the tail end of the terminal 40, so that the pair of tabs 43 and the pair of fixing arms 42 are respectively located at the upper and lower sides of the main arm 41.

The lining barrel 50 is provided with a base 51 and a convex column part 52 protruding downwards from the base 51, the base 51 and the convex column part 52 are integrally injection molded, a plurality of protruding parts 53 are uniformly distributed in the circumferential direction of the base 51, a through hole 54 is formed in the center of the base 51, and the through hole 54 penetrates downwards through the convex column part 52. Preferably, the boss 52 extends into the spool 31, and the boss 53 extends into the channel 36 of the top rim 32.

In summary, the electromagnetic valve device of the present utility model optimizes the structure of the insulating housing 10, so that the connection portion 14 thereof can be better and more firmly combined with the cable 60, and the terminal 40 can be better connected and fixed with the cable 60 and the wire 20 by the pair of tabs 43, thereby making the internal connection of the electromagnetic valve device more stable and reliable.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make many possible variations and modifications to the technical solution of the present utility model using the above disclosed method without departing from the scope of the technical solution of the present utility model, which is defined in the claims.

Claims (10)

1. A solenoid valve apparatus comprising: the wire winding device comprises an insulating shell, a wire spool accommodated in the insulating shell, a wire wound on the wire spool, a pair of terminals fixed on the wire spool and connected with the wire, and a cable connected to the terminals, and is characterized in that: the insulation shell is provided with an outer cylinder surrounding the periphery of the lead and a cover body positioned above the outer cylinder, the cover body is provided with a wiring part protruding outwards, and at least two groups of line pressing grooves distributed along the length direction of the line are formed in the wiring part; the terminal is provided with a transversely extending main arm and a vertically extending fixing arm, and a folding piece for clamping the cable and the lead is formed on the side edge of the main arm.

2. The solenoid valve apparatus of claim 1, wherein: the wiring part surrounds the periphery of the cable, and the two groups of wire pressing grooves surround the periphery of the cable, so that the wiring part is pressed inwards to fix the cable.

3. The solenoid valve apparatus of claim 2, wherein: the spool is equipped with a wrapping post, be located the top ring limit at wrapping post top, be located the bottom ring limit of wrapping post bottom, be located the installation head of top ring limit top, the wire around the wrapping post just between top ring limit and bottom ring limit, be formed with a plurality of inside and outside through-going passageway on the top ring limit.

4. A solenoid valve apparatus according to claim 3 wherein: the electromagnetic valve device further comprises a lining cylinder, wherein the lining cylinder is positioned in the spool and is provided with a base part and a convex column part protruding downwards from the base part, a plurality of protruding parts are uniformly distributed in the circumferential direction of the base part, and the protruding parts extend into the channel.

5. The solenoid valve apparatus of claim 4, wherein: a through hole is formed in the center of the base, the through hole penetrates through the boss portion downwards, and the boss portion extends downwards into the winding post.

6. The electromagnetic valve device according to any one of claims 1 to 5, characterized in that: the fixed arms are formed by bending downwards and vertically from two side edges of the main arm, and the two fixed arms are mutually parallel and form an inverted U-shaped structure at the tail end of the terminal together with the main arm.

7. The electromagnetic valve device according to any one of claims 1 to 5, characterized in that: a pair of folding pieces are formed on each terminal, the folding pieces and the fixing arms are respectively located on the upper side and the lower side of the main arm, and the fixing arms extend downwards and are inserted on the spool.

8. The solenoid valve apparatus of claim 7, wherein: the folding piece extends obliquely upwards and is positioned above the main arm; the pair of terminals are symmetrically arranged, and the folded sheets of the pair of terminals extend towards opposite directions respectively.

9. The solenoid valve apparatus of claim 8, wherein: one of the folding pieces on each terminal is fixedly connected with the cable, and the wire core of the cable is clamped between the folding piece and the main arm.

10. A solenoid valve apparatus according to claim 3 wherein: the mounting head of the spool is provided with a clamping groove for clamping the fixing arm.