CN221097651U

CN221097651U - Electromagnetic valve

Info

Publication number: CN221097651U
Application number: CN202322658540.6U
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: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-06-07
Anticipated expiration: 2033-09-28

Abstract

The present utility model provides a solenoid valve comprising: the wire is provided with a pair of outgoing lines wound on the terminal, the terminal is provided with a transversely extending contact arm and a vertically extending connecting arm, at least one folding arm and at least one fixing arm are formed on the connecting arm, the folding arm is folded and extended from the side edge of the connecting arm to form a gap with the connecting arm for the outgoing lines to pass through, and the fixing arm protrudes from the side edge of the connecting arm and forms a bayonet for the outgoing lines to wind with the connecting arm. According to the utility model, the structure of the terminal is optimized, the lead-out wire of the fixed wire is wound by utilizing the fixed arm and the folding arm which are formed on the connecting arm, the wire can be firmly and reliably wound on the terminal without riveting the terminal, the wire is not easy to fall off, the connection relation between the terminal and the wire is effectively improved, the process is simplified, and the manufacturing cost is reduced.

Description

Electromagnetic valve

Technical Field

The utility model relates to the field of electrical connection, in particular to an electromagnetic valve.

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. Common solenoid valves generally include a housing, a bobbin (also known as a bobbin or former) positioned within the housing, a wire enamel (i.e., a wire) wound around the bobbin, and a metal terminal connected to the wire enamel. The existing metal terminal is simple in structure, is fixedly connected with the enameled wire in a winding manner, but in actual production, the enameled wire is not wound in place and is easy to fall off frequently, so that short circuit risks occur in an injection molding process of the insulating shell, riveting operation is needed to be carried out on the metal terminal after the enameled wire is wound on the metal terminal according to the existing process, the enameled wire is clamped and fixed, and therefore the complexity of the process and the manufacturing cost are increased.

Disclosure of utility model

The utility model aims to solve the technical problem of providing a solenoid valve so as to solve the problems that wires and terminals are not wound in place and are easy to fall off in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme: a solenoid valve, comprising: the wire is provided with a pair of outgoing lines wound on the terminal, the terminal is provided with a transversely extending contact arm and a vertically extending connecting arm, at least one folding arm and at least one fixing arm are formed on the connecting arm, the folding arm is folded and extended from the side edge of the connecting arm to form a gap with the connecting arm for the outgoing lines to pass through, and the fixing arm protrudes from the side edge of the connecting arm and forms a bayonet for the outgoing lines to wind with the connecting arm.

Further, the fixing arm is T-shaped, and a pair of bayonets are formed on the upper side and the lower side of the fixing arm.

Further, the fixing arm is located above the folding arm, the fixing arm and the folding arm are integrally connected with the connecting arm, and the fixing arm and the folding arm extend from the same side edge of the connecting arm.

Further, the tail end of the folding arm extends obliquely towards the connecting arm, so that the folding arm and the connecting arm are arranged in a non-parallel mode.

Further, the spool is provided with a winding post, a top seat positioned at the top of the winding post, a base positioned at the bottom of the winding post and a mounting head positioned above the top seat, and a plug-in part for inserting a terminal is formed on the mounting head.

Further, the mounting head is provided with a circular annular wall, a vertically extending strip-shaped convex rib is formed on the annular wall, the convex rib extends upwards from the top seat to the plug-in connection part, and a pair of channels for accommodating the pair of outgoing lines are formed on two sides of the convex rib.

Further, the channel extends upwards to the plug-in connection part, and the channel is arranged in a manner of narrow bottom and wide top.

Further, the electromagnetic valve further comprises a lining barrel buried in the spool, the lining barrel is provided with a base and a barrel body which integrally extends downwards from the base and is positioned in the winding post, the base is provided with a plurality of protruding sheets in the circumferential direction, and the top seat is provided with a plurality of through holes which are distributed in the circumferential direction and are used for the protruding sheets to pass through.

Further, the protruding piece protrudes outwards and protrudes to the outer side of the top seat and protrudes beyond the lead.

Further, the insulating housing is provided with a top shell part and a cylindrical bottom shell part, and the top shell part is provided with a tubular butt joint, a pair of side baffles positioned at two sides of the butt joint and reinforcing ribs connected between the butt joint and the side baffles.

Compared with the prior art, the electromagnetic valve provided by the utility model has the advantages that the structure of the terminal is optimized, the lead-out wire of the fixed wire is wound by utilizing the fixed arm and the folding arm formed on the connecting arm, the wire can be firmly and reliably wound on the terminal without riveting the terminal, the wire is not easy to fall off, the connection relation between the terminal and the wire is effectively improved, the process is simplified, and the manufacturing cost is reduced.

Drawings

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

Fig. 2 is a front view of the solenoid valve according to the present utility model.

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

Fig. 4 is a perspective view of the solenoid valve according to the present utility model with the insulating housing removed.

Fig. 5 is a schematic diagram of the installation of the spool and the terminals of the solenoid valve according to the present utility model.

Fig. 6 is an assembled schematic diagram of the terminals and wires of the solenoid valve according to the present utility model.

Fig. 7 is a schematic view of a terminal of another view of the solenoid valve according to the present utility model.

Detailed Description

Referring to fig. 1 to 7, the present utility model provides a solenoid valve, which includes an insulating housing 10, a wire 20 accommodated in the insulating housing 10, a bobbin 30 positioned in the wire 20 for winding the wire 20, a pair of terminals 40 connected to the wire 20, and a bushing 60 fixed in the bobbin 30. The specific structure of the foregoing individual components is described in detail below.

The insulating housing 10 is provided with a top housing part 11 and a cylindrical bottom housing part 12, the top housing part 11 is provided with a tubular butt joint 13, a pair of side baffles 14, a pair of reinforcing ribs 18 positioned at two sides of the butt joint 13, and a supporting part 19 positioned at the bottom side of the butt joint 13, a butt joint cavity 15 is arranged in the butt joint 13, and a convex buckling part 16 is formed on the butt joint 13. The supporting portion 19 is integrally connected to the bottom of the abutment 13, for supporting the abutment 13 upward, and the supporting portion 19 is the same as the extending direction of the reinforcing rib 18, and the reinforcing rib 18 is vertically lower than the top surface of the abutment 13, preferably, the pair of reinforcing ribs 18 and the pair of terminals 40 are vertically at the same height (refer to fig. 2). Preferably, the number of the supporting parts 19 is two. In this embodiment, the top shell 11 is further provided with a base 141 connected to the lower portion of the side baffle 14, and the base 141 is circular and protrudes to the periphery of the side baffle 14. The insulating housing 10 is manufactured by injection molding, and thus, the top housing 11, the bottom housing 12, the butt joint 13, the side shield 14, and the like are all integrally connected.

Referring to fig. 3, the lead wire 20 is accommodated in the bottom case 12, and the lead wire 20 is wound around the bobbin 30 and is provided with a pair of lead wires 21 for connection with the terminals 40, specifically, the lead wires 21 extend from bottom to top to a top position of the bobbin 30 for winding connection with the terminals 40.

The spool 30 is provided with a winding post 31, a top seat 32 located at the top of the winding post 31, a base 33 located at the bottom of the winding post 31, and a mounting head 34 located above the top seat 32, wherein the winding post 31 is cylindrical and vertically disposed inside the wire 20, and is wound around the wire 20. The top base 32 is located at the top of the wire 20, the base 33 is located at the bottom of the wire 20, and the top base 32, the winding post 31 and the base 33 together form an i-shaped structure. The mounting head 34 is formed above the top base 32, and a plurality of through holes 35 for accommodating the liner 60 are formed in the circumferential direction of the top base 32. Preferably, the mounting head 34 is provided with a circular annular wall 36 and a plurality of blocking walls 37 located inside the annular wall 36, preferably, a vertically extending elongated rib 361 is formed on the annular wall 36, the rib 361 extends upwards from the top base 32 to the plugging portion 38 (see below), the pair of outgoing lines 21 of the conducting wire 20 are located on two sides of the rib 361 respectively, and the blocking is achieved through the rib 361, i.e. a pair of channels 362 for accommodating the pair of outgoing lines 21 are formed on two sides of the rib 361, the channels 362 extend upwards to the plugging portion 38, and the channels 362 are arranged in a manner of being narrow down and wide up. The plurality of blocking walls 37 are distributed along the circumferential direction of the annular wall 36, and in order to fix the terminal 40, the mounting head 34 is further provided with a plugging portion 38 for mounting the terminal 40, so that the terminal 40 is inserted into the plugging portion 38 from top to bottom, and is thereby fixed on the mounting head 34. It should be noted that, the spool 30 is also manufactured by an injection molding process, and is located inside the insulating housing 10, and the insulating housing 10 is wrapped around the spool 30 by an injection molding process, so that the insulating housing 10 and the spool 30 are integrated.

Referring to fig. 6 and 7, 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 end of the contact arm 41 to be connected with the lead wire 21 of a lead wire 20, at least one folding arm 44 and at least one fixing arm 45 are formed on the edge of the connecting arm 42, the folding arm 44 extends from the side edge of the connecting arm 42 and is folded and located at one side of the connecting arm 42 for clamping and fixing the lead wire 21, preferably, the end of the folding arm 44 extends obliquely towards the connecting arm 42, so that the folding arm 44 and the connecting arm 42 are arranged in a non-parallel manner and a gap 46 for the lead wire 21 to pass through is formed between the folding arm 44 and the connecting arm 42, and the lead wire 21 is not easy to fall out of the gap 46 due to the oblique extension of the folding arm 44. The bottom end of the connecting arm 42 is formed with a pin 47 inserted into the insertion portion 38, and the folding arm 44 is located above the pin 47.

The fixing arm 45 is located above the folding arm 44, protrudes from a side edge of the connecting arm 42 and is shaped like a T, and is used for winding the lead-out wire 21, and since the fixing arm 45 is shaped like a T, a pair of bayonets 451 are formed between the fixing arm 45 and the connecting arm 42, and are used for clamping the lead-out wire 21 therein, so that the lead-out wire 21 is not easy to fall off from the fixing arm 45, and of course, in alternative embodiments, the fixing arm 45 may also be shaped like an L, and only one bayonet 451 is formed between the fixing arm 45 and the connecting arm 42, and clamping and fixing of the lead-out wire 21 can also be realized.

The lining 60 is fixed inside the spool 30, and is provided with a base 61 and a cylinder 62 integrally extending downwards from the base 61, the base 61 is formed with a plurality of protruding pieces 63 in the circumferential direction, the base 61 is embedded in the top base 32, and the protruding pieces 63 protrude outwards from the through holes 35 and are exposed to the outer side of the top base 32, and protrude beyond the wires 20. The cylinder 62 protrudes downward into the winding post 31.

In summary, the electromagnetic valve of the present utility model uses the fixing arm 45 and the folding arm 44 formed on the connecting arm 42 to wind the lead-out wire 21 of the fixing wire 20 by optimizing the structure of the terminal 40, and the wire 20 can be firmly and reliably wound on the terminal 40 without riveting the terminal 40, so that the connection relationship between the terminal 40 and the wire 20 is effectively improved, the manufacturing process is simplified, and the manufacturing cost is reduced.

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, comprising: the wire winding device comprises an insulating shell, a spool accommodated in the insulating shell, a wire wound on the spool and a terminal connected with the wire, wherein the wire is provided with a pair of outgoing wires wound on the terminal, and the wire winding device is characterized in that: the terminal is provided with a transversely extending contact arm and a vertically extending connecting arm, at least one folding arm and at least one fixing arm are formed on the connecting arm, the folding arm is folded and extended from the side edge of the connecting arm to form a gap for the lead-out wire to pass through, and the fixing arm protrudes from the side edge of the connecting arm and forms a bayonet for the lead-out wire to wind up with the connecting arm.

2. The solenoid valve of claim 1, wherein: the fixing arm is T-shaped, and a pair of bayonets are formed on the upper side and the lower side of the fixing arm.

3. The solenoid valve of claim 2, wherein: the fixed arm is positioned above the folding arm, the fixed arm and the folding arm are integrally connected with the connecting arm, and the fixed arm and the folding arm extend out from the same side edge of the connecting arm.

4. A solenoid valve according to claim 3 wherein: the tail end of the folding arm extends obliquely towards the connecting arm, so that the folding arm and the connecting arm are arranged in a non-parallel mode.

5. The solenoid valve of claim 4, wherein: the spool is provided with a winding post, a top seat positioned at the top of the winding post, a base positioned at the bottom of the winding post and a mounting head positioned above the top seat, wherein a plug-in part for inserting a terminal is formed on the mounting head.

6. The solenoid valve of claim 5, wherein: the mounting head is provided with a circular annular wall, a vertically extending strip-shaped convex rib is formed on the annular wall, the convex rib extends upwards from the top seat to the plug-in connection part, and a pair of groove channels for accommodating the pair of outgoing lines are formed on two sides of the convex rib.

7. The solenoid valve of claim 6, wherein: the channel extends upwards to the plug-in connection part, and the channel is narrow at the bottom and wide at the top.

8. The solenoid valve according to claim 7, wherein: the electromagnetic valve further comprises a lining barrel buried in the spool, the lining barrel is provided with a base and a barrel body which integrally extends downwards from the base and is positioned in the winding post, the base is provided with a plurality of protruding sheets in the circumferential direction, and the top seat is provided with a plurality of through holes which are distributed in the circumferential direction and are used for the protruding sheets to pass through.

9. The solenoid valve according to claim 8, wherein: the protruding sheet protrudes outwards and is exposed to the outer side of the top seat and protrudes beyond the lead.

10. The solenoid valve of claim 9, wherein: the insulating shell is provided with a top shell part and a cylindrical bottom shell part, and the top shell part is provided with a tubular butt joint, a pair of side baffles positioned on two sides of the butt joint and reinforcing ribs connected between the butt joint and the side baffles.