CN220152010U

CN220152010U - Solenoid valve device

Info

Publication number: CN220152010U
Application number: CN202321672939.3U
Authority: CN
Inventors: 包金平; 吴永发; 吴祝平; 方志宏
Original assignee: Drapho Electronics Technology Co ltd
Current assignee: Drapho Electronics Technology Co ltd
Priority date: 2023-06-29
Filing date: 2023-06-29
Publication date: 2023-12-08
Anticipated expiration: 2033-06-29

Abstract

The present utility model provides a solenoid valve device, comprising: the wire spool comprises a coil body, a top annular edge positioned at the top of the coil body and a mounting head pressed on the lining plate, the cover plate covers the mounting head, and a plurality of upward convex pressing convex parts are formed on the surface of the cover plate. Compared with the prior art, the electromagnetic valve device has the advantages that the structure of the cover plate is optimized, the press-connection convex part is newly added on the surface of the cover plate, so that the die can press the cover plate, the gap between the cover plate and the mounting head is reduced or eliminated, the possibility that foreign matters enter the spool through the gap is effectively reduced or avoided, and the problem of poor contact caused by the possibility is avoided.

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 a housing, a sleeve accommodated in the housing, a spool (also called a bobbin or a coil bobbin) located in the sleeve, a metal terminal connected to the spool, and a cover plate covering the spool, wherein the cover plate covers the spool directly above the spool and has a certain gap with the spool, which makes some foreign matters generated in the production process easily enter the spool through the gap, and causes poor internal contact, for example: glue spilled during the overmoulding process is easily able to enter the interior of the spool via this gap.

Disclosure of Invention

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 internal contact caused by gaps between a cover plate and a spool 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 spool comprises a coil body, a top annular edge positioned at the top of the coil body and a mounting head pressed on the lining plate, the cover plate covers the mounting head, and a plurality of upward convex pressing convex parts are formed on the surface of the cover plate.

Further, the press-connection convex part protrudes from the surface of the cover plate towards the direction away from the mounting head, and the top of the press-connection convex part is a flat surface for press-contact of the die core of the die.

Further, a circular boss protruding downwards and a plurality of interference protruding parts surrounding the periphery of the boss are arranged at the bottom of the cover plate, and a through hole for accommodating the boss is formed in the lining plate.

Further, the mounting head is connected with the top ring edge through a plurality of through parts, the mounting head and the through parts are connected with each other integrally through an injection molding process, and the through parts penetrate through the lining plate and are connected with the top ring edge.

Further, the lining plate is clamped between the top ring edge and the mounting head, and a plurality of through holes for accommodating the through parts are formed in the lining plate.

Further, the lining plate is in pressure connection with the top ring edge, a positioning notch and a yielding notch are formed at the outer side edge of the lining plate, and a positioning convex part which is clamped in the positioning notch is formed on the insulating shell; the abdication notch and the positioning notch are arranged back to back, and the width of the abdication notch is larger than that of the positioning notch.

Further, a notch is formed in the top ring of the spool, the notch and the positioning notch are vertically aligned, and the notch and the positioning notch are clamped and matched with the positioning convex part on the insulating shell.

Further, the electromagnetic valve device further comprises a sleeve accommodated in the insulating shell, and an accommodating cavity for accommodating the coil body is formed in the inner side of the sleeve.

Further, the insulating shell comprises a top shell part and a bottom shell part, wherein the top shell part is provided with a tubular butt joint and side baffles positioned at two sides of the butt joint; the bottom shell part is cylindrical, is sleeved on the periphery of the sleeve and is clamped and matched with the top ring edge and the lining plate.

Further, the terminal is connected into the sleeve through a cable, the terminal is L-shaped, a contact arm extending transversely and a connecting arm extending vertically are arranged, the contact arm is located above the cover plate and protrudes into the butt joint, at least one folding arm is formed on the connecting arm, and the folding arm bends out from the side edge of the connecting arm so as to wind the cable.

Compared with the prior art, the electromagnetic valve device has the advantages that the structure of the cover plate is optimized, the press-connection convex part is newly added on the surface of the cover plate, so that the die can press the cover plate, the gap between the cover plate and the mounting head is reduced or eliminated, the possibility that foreign matters enter the spool through the gap is effectively reduced or avoided, and the problem of poor contact caused by the possibility is avoided.

Drawings

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

Fig. 2 is a perspective view of the solenoid valve device according to the present utility model with a housing removed.

Fig. 3 is a partially exploded view of the solenoid valve apparatus of the present utility model.

Fig. 4 is a schematic view of a sleeve, a liner and a cover plate of the electromagnetic valve device according to the present utility model.

Fig. 5 is a perspective view of another view of the solenoid valve device according to the present utility model.

Detailed Description

Referring to fig. 1 to 5, the present utility model provides a solenoid valve device, which includes: the wire winding device comprises an insulating shell 10, a sleeve 20 accommodated in the insulating shell 10, a wire spool 30 installed in the sleeve 20, a pair of terminals 40 connected with the wire spool 30, a lining plate 50 wound on the periphery of the wire spool 30 and a cover plate 60 covered on the top of the wire spool 30. The specific structure of the foregoing individual components is described in detail below.

The insulating housing 10 is manufactured by injection molding, and comprises a top housing part 11 and a bottom housing part 12, wherein the top housing part 11 is positioned above the cover plate 60, and is provided with a tubular butt joint 13 and side baffles 14 positioned at two sides of the butt joint 13, a butt joint cavity 15 is arranged in the butt joint 13 and is used for accommodating the pair of terminals 40, and an upward protruding buckling part 16 is further arranged on the outer surface of the butt joint 13. The bottom shell 12 is cylindrical, and is sleeved on the periphery of the sleeve 20, and a positioning protrusion 17 protruding upwards is arranged at the top of the bottom shell 12, and the positioning protrusion 17 is matched with the lining plate 50.

The sleeve 20 is accommodated in the bottom shell 12 and is located below the lining plate 50, and a circular accommodating cavity 21 for accommodating the spool 30 is provided in the sleeve 20, so that the sleeve 20 can surround the periphery of the spool 30, and protect the spool 30.

The spool 30 is provided with a coil body 31, a top rim 32 located at the top of the coil body 31, a bottom rim 33 located at the bottom of the coil body 31, and a mounting head 34 located above the top rim 32, wherein the coil body 31 is cylindrical and vertically disposed in the sleeve 20, and a coil is wound around the surface thereof. The top ring edge 32 is located outside the sleeve 20 and is pressed against the top of the sleeve 20, the bottom ring edge 33 is located outside the sleeve 20 and is exposed out of the bottom of the sleeve 20, and the top ring edge 32, the coil body 31 and the bottom ring edge 33 together form an i-shaped structure. Preferably, the top rim 32 is sandwiched between the liner 50 and the sleeve 20, for supporting the liner 50 upward, and the top rim 32 is provided with a notch 321, and the notch 321 is aligned with the positioning notch 51 (described below). The mounting head 34 is located above the lining plate 50 and is fixedly connected with the top ring edge 32 through a plurality of through parts 35, the mounting head 34 and the top ring edge 32 are respectively located at the upper side and the lower side of the lining plate 50, and the through parts 35 penetrate through the lining plate 50 to fixedly connect the mounting head 34 with the top ring edge 32, so that the mounting head 34 is fixed above the coil body 31 and is located on the lining plate 50. Preferably, the mounting head 34 and the through portion 35 are made of insulating materials, and are integrally connected to each other by injection molding, so that the lining plate 50 is reliably and firmly clamped between the mounting head 34 and the coil body 31.

The terminal 40 is L-shaped, and is provided with a contact arm 41 extending transversely and a connecting arm 42 extending vertically, wherein the contact arm 41 extends into the butt joint 13 of the top shell 11 for electrical connection, the connecting arm 42 is bent and extended downwards from the tail end of the contact arm 41 to be connected with a cable 43, at least one folding arm 44 is formed on the connecting arm 42, the folding arm 44 is bent from the side edge of the connecting arm 42 for winding and fixing the cable 43, and the tail end of the cable 43 is connected to the spool 30 in the sleeve 20.

The lining plate 50 is disc-shaped, and is crimped on the top ring edge 32, and a positioning notch 51 and a yielding notch 52 are formed at the outer edge of the lining plate 50, the positioning notch 51 is aligned with the notch 321 of the top ring edge 32 (refer to fig. 2), and can be used for accommodating the positioning protrusion 17 of the bottom shell 12 together, and lock catch positioning in the circumferential direction is achieved by mutually clamping and matching, the yielding notch 52 and the positioning notch 51 are arranged opposite to each other, and the width of the yielding notch 52 is larger than the width of the positioning notch 51, which is used for providing a yielding space for mounting and fixing the terminal 40 and the cable 43. In addition, a circular through hole 53 is formed at the center of the backing plate 50, and the circular through hole 53 is located right above the coil body 31. Preferably, the lining plate 50 is further provided with a plurality of through holes 54 surrounding the through holes 53 for receiving the through portions 35, thereby fixedly mounting the mounting head 34 on the coil body 31.

The cover plate 60 covers the spool 30, and is specifically crimped on the mounting head 34 of the spool 30, a plurality of upwardly protruding crimp protrusions 61 are formed on the surface of the cover plate 60, the crimp protrusions 61 are distributed in four directions of the cover plate 60, and the cover plate 60 is provided with a circular arc-shaped side edge 62, and the circular arc-shaped side edge 62 is matched with the side edge of the mounting head 34. The cover 60 and the mounting head 34 have a gap S therebetween, the pressing protrusion 61 protrudes from the surface of the cover 60 in a direction away from the mounting head 34, and the top of the pressing protrusion 61 is a flat surface for pressing contact with a mold core (not shown) of the mold, i.e., the mold core (not shown) of the mold may be directly pressed against the pressing protrusion 61, so that the cover 60 can press the mounting head 34 to ensure tightness between the two, thereby reducing or avoiding poor contact caused by foreign matters entering the interior of the spool 30 through the gap S therebetween. Preferably, the bottom of the cover plate 60 is further provided with a circular boss 63 protruding downward and a plurality of interference protrusions 64 surrounding the boss 63, the boss 63 is clamped in the through hole 53 of the lining plate 50, and interference fit with the inner side surface of the through hole 53 is achieved by the interference protrusions 64, so that the cover plate 60 is fastened and connected with the lining plate 50.

In summary, by optimizing the structure of the cover plate 60, the electromagnetic valve device of the present utility model adds the press-connection protrusion 61 on the surface of the cover plate 60, so that the mold can press-tightly the cover plate 60, thereby reducing or eliminating the gap S between the cover plate 60 and the mounting head 34, effectively reducing or avoiding the possibility that foreign matters enter the interior of the spool 30 through the gap S, and avoiding the problem of poor contact caused thereby.

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

1. A solenoid valve apparatus comprising: the wire spool comprises an insulating shell, a wire spool accommodated in the insulating shell, a terminal connected to the wire spool, a lining plate connected with the wire spool in a matched mode and a cover plate covering the upper portion of the wire spool, and is characterized in that: the spool comprises a coil body, a top ring edge positioned at the top of the coil body and a mounting head pressed on the lining plate, wherein the cover plate covers the mounting head, and a plurality of upward convex press connection convex parts are formed on the surface of the cover plate.

2. The solenoid valve apparatus of claim 1, wherein: the press-connection convex part protrudes from the surface of the cover plate towards the direction away from the mounting head, and the top of the press-connection convex part is a flat surface for press-contact of a die core of the die.

3. The solenoid valve apparatus of claim 1, wherein: the bottom of the cover plate is provided with a circular boss protruding downwards and a plurality of interference protruding parts surrounding the periphery of the boss, and the lining plate is provided with a through hole for accommodating the boss.

4. The solenoid valve apparatus of claim 1, wherein: the mounting head is connected with the top ring edge through a plurality of through parts, the mounting head and the through parts are connected with each other integrally through an injection molding process, and the through parts penetrate through the lining plate and are connected with the top ring edge.

5. The solenoid valve apparatus of claim 4, wherein: the lining plate is clamped between the top ring edge and the mounting head, and a plurality of through holes for accommodating the through parts are formed in the lining plate.

6. The solenoid valve apparatus of claim 5, wherein: the lining plate is in pressure connection with the top ring edge, a positioning notch and a yielding notch are formed at the outer side edge of the lining plate, and a positioning convex part which is clamped in the positioning notch is formed on the insulating shell; the abdication notch and the positioning notch are arranged back to back, and the width of the abdication notch is larger than that of the positioning notch.

7. The solenoid valve apparatus of claim 6, wherein: the top ring edge of the spool is provided with a notch which is vertically aligned with the positioning notch, and the notch and the positioning notch are clamped and matched with the positioning convex part on the insulating shell.

8. The electromagnetic valve device according to any one of claims 1 to 7, characterized in that: the electromagnetic valve device also comprises a sleeve accommodated in the insulating shell, and an accommodating cavity for accommodating the coil body is formed in the inner side of the sleeve.

9. The solenoid valve apparatus of claim 8, wherein: the insulating shell comprises a top shell part and a bottom shell part, wherein the top shell part is provided with a tubular butt joint and side baffles positioned at two sides of the butt joint; the bottom shell part is cylindrical, is sleeved on the periphery of the sleeve and is clamped and matched with the top ring edge and the lining plate.

10. The solenoid valve apparatus of claim 9, wherein: the terminal is connected to the sleeve through a cable, is L-shaped, is provided with a transversely extending contact arm and a vertically extending connecting arm, the contact arm is located above the cover plate and protrudes into the butt joint, and at least one folding arm is formed on the connecting arm and bends out of the side edge of the connecting arm so as to wind the cable.