A wiring connector

By using a combined structure of components such as sheath, tail cover, waterproof glue in the limit switch connector, the problem of insufficient sealing of existing connectors in humid environments is solved, and higher waterproof performance and equipment stability are achieved.

CN222749770UActive Publication Date: 2025-04-11HUNAN MINGER AUTOMATION EQUIP CO LTD
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Patent Information

Application Number
CN202421394399.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-04-11
Estimated Expiration
2034-06-18

AI Technical Summary

Technical Problem

The existing limit switch connectors have poor sealing properties in humid environments and are prone to moisture penetration, resulting in moisture, short circuits and electrical failures of electronic components, affecting the normal operation of the equipment.

Method used

A wiring connector is designed, using a combined structure of sheath, tail cover, waterproof glue, wire, circuit board, positioning seat, terminal and installation hole. The sealing is improved through thread fixation and waterproof glue filling to ensure stable operation of electrical components in harsh environments.

Benefits of technology

By improving the waterproof performance of the connector, preventing moisture from penetrating, avoiding short circuits and electrical failures caused by moisture, ensuring the long-term stable operation of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a wiring connector, comprising a limit switch, a connector, and a push rod. The connector is threadedly connected to one side of the limit switch, and the push rod is fixedly connected to the side of the limit switch away from the connector. The connector includes a sheath, a tail cap, waterproof adhesive, a wire, a circuit board, a positioning seat, a terminal, and a mounting hole. The tail cap is fixedly connected to the outer surface of the sheath near the limit switch, and the outer surface of the tail cap is threaded. One end of the wire is electrically connected to the limit switch, and the end of the wire away from the limit switch is soldered to the side of the circuit board. One end of the terminal is soldered to the circuit board. The outer surface of the positioning seat has multiple through holes and one mounting hole. The multiple through holes are movably connected to the outer surface of the terminal. The circuit board and the positioning seat are fixedly connected through the mounting hole. This structure effectively prevents the intrusion of dust and moisture, ensuring the long-term stable operation of the connector in harsh environments.
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Description

Technical Field

[0001] The utility model relates to the technical field of limit switches, in particular to a wiring connector. Background Art

[0002] A limit switch is a device used to detect the extreme position of mechanical movement. When the moving part reaches a predetermined position, the limit switch is triggered, thereby opening or closing the circuit signal. A connector is a component used to achieve electrical connection, through which the limit switch signal is transmitted to the control system or other related equipment.

[0003] However, the existing limit switch connectors have significant deficiencies in waterproofing. Due to limitations in design and material selection, the connectors have poor sealing properties and are prone to moisture infiltration in humid environments. This not only causes the electronic components inside the connector to become damp and fail, but may also cause short circuits and electrical failures, thereby affecting the normal operation of the equipment. Utility Model Content

[0004] The purpose of the utility model is to provide a wiring connector to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, a wiring connector is provided. The wiring connector includes a limit switch, a connector, and a push rod. The connector is threadedly connected to one side of the limit switch, and the push rod is fixedly connected to the side of the limit switch away from the connector. The connector includes a sheath, a tail cover, a waterproof glue, a wire, a circuit board, a positioning seat, a terminal, and a mounting hole. The tail cover is fixedly connected to the outer surface of the sheath on the side close to the limit switch. The outer surface of the tail cover is provided with a thread. One end of the wire is electrically connected to the limit switch, and the end of the wire away from the limit switch is welded to the side of the circuit board. One end of the terminal is welded to the circuit board. The outer surface of the positioning seat is provided with a plurality of perforations and a mounting hole. The plurality of perforations are movably connected to the outer surface of the terminal. The circuit board and the positioning seat are fixedly connected through the mounting hole. The positioning seat is fixedly installed inside the sheath. The waterproof glue is filled inside the tail cover. The switch function is provided by the limit switch. When the device reaches the set limit position, the circuit is triggered to prevent the device from exceeding the predetermined position, thereby protecting the safety of the device and personnel. The connector is threadedly connected to ensure the stable connection between the limit switch and the external device, and it is convenient at the same time. Installation and removal, fixedly connected to the limit switch through the push rod, transmitting external mechanical force to trigger the action of the limit switch, ensuring that the limit switch is correctly triggered at a specific position, protecting the internal electrical components from the influence of the external environment, such as dust and moisture, through the sheath, ensuring the long-term stable operation of the connector, fixedly connected to one side of the sheath through the tail cover, and ensuring its tight combination through threads, filling the inside of the tail cover with waterproof glue to further improve the waterproof performance of the connector and prevent moisture from damaging the internal electrical components, providing electrical connection through the wire, transmitting the signal of the limit switch to the external circuit board, ensuring accurate transmission of the signal, using the circuit board as the core of the electrical connection, welding the wires and terminals to ensure stable transmission and processing of electrical signals, providing a stable installation position through the positioning seat, and fixed inside the sheath through multiple perforations and mounting holes to ensure the stable positioning of the electrical components and prevent loosening, welding the terminals on the circuit board to provide an electrical connection interface with external electrical equipment to ensure reliable transmission of signals, and using the mounting holes to fix the circuit board and the positioning seat together to provide additional mechanical stability to prevent components from shifting during use.

[0006] According to the wiring connector, a slide groove is provided inside the push rod, and an adjustment rod is movably connected in the slide groove and is slidably connected to the inside of the push rod. Through the setting of the adjustment hole, the user is allowed to adjust the trigger position of the limit switch as needed, thereby increasing the flexibility of the equipment.

[0007] According to the wiring connector, a plurality of adjustment holes are provided on the outer surface of the adjustment rod, and the adjustment holes are evenly distributed along the length direction of the adjustment rod. The adjustment holes are evenly distributed along the length direction of the adjustment rod and used in conjunction with the pull rod to provide a plurality of adjustable limit positions, which is convenient for users to make precise adjustments.

[0008] According to the wiring connector, a groove is provided at one end of the adjusting rod away from the push rod, a shaft is provided in the groove, and a ball is rotatably connected to the outer surface of the shaft. By providing a groove at one end of the adjusting rod, the shaft and the ball are built in, a smooth rotation function is provided, friction is reduced, and adjustment accuracy and service life are improved.

[0009] According to the wiring connector, a fixing frame is fixedly connected to the outer surface of one side of the push rod, a pull rod is movably connected inside the fixing frame, and a connecting piece is fixedly connected to the outer surface of the pull rod through the fixing frame, which is fixed to the outer surface of the push rod to provide a stable installation position for the pull rod to ensure its smooth movement, and a manual adjustment function is provided through the adjustment holes of the pull rod, the fixing frame and the push rod, and the user can conveniently adjust the position of the limit switch through the handle.

[0010] According to the wiring connector, a spring is fixedly connected between the fixing frame and the connecting member, and a handle is fixedly connected to one end of the pull rod, which is connected between the fixing frame and the connecting member through the spring to provide a restoring force so that the pull rod automatically returns to its position after adjustment, thereby increasing the convenience of operation. The handle is fixedly connected to one end of the pull rod to provide a manual adjustment operation interface, so that the user can conveniently operate and adjust the position of the limit switch.

[0011] According to the wiring connector, the end of the pull rod away from the handle passes through the push rod and the adjustment hole, and the diameter of the adjustment hole is consistent with the diameter of the pull rod.

[0012] The beneficial effects of the utility model are as follows: by wrapping the sheath around the outside of the connector, a good physical barrier is provided for the internal electrical components, effectively preventing the intrusion of dust and moisture, ensuring the long-term stable operation of the connector in harsh environments; the tail cover is threadedly fixedly connected to one side of the sheath to ensure that it is tightly combined with the sheath; this design enhances the sealing effect and prevents moisture from entering the interior of the connector; by filling waterproof glue inside the tail cover, the waterproof performance of the connector is further improved; the waterproof glue forms a solid waterproof barrier after curing to prevent moisture from penetrating into the internal electronic components, thereby avoiding short circuits and electrical failures caused by moisture; one end of the wire is electrically connected to the limit switch, and the other end is welded to the circuit board; the precise welding process ensures the reliability of the electrical connection and reduces the risk of moisture entering the connection.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is a three-dimensional structural diagram of a wiring connector of the utility model;

[0016] Figure 2 This is a three-dimensional structural diagram of a wiring connector of the utility model;

[0017] Figure 3 This is a diagram of the internal structure of a wiring connector of the utility model;

[0018] Figure 4 A wiring connector of the utility model Figure 1 A magnified view of the structure in the middle.

[0019] Legend:

[0020] 1. Limit switch; 2. Connector; 3. Push rod; 4. Sheath; 5. Tail cover; 6. Waterproof glue; 7. Wire; 8. Circuit board; 9. Positioning seat; 10. Terminal; 11. Mounting hole; 12. Adjustment rod; 13. Adjustment hole; 14. Ball; 15. Fixing bracket; 16. Connector; 17. Pull rod; 18. Handle; 19. Spring. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Example:

[0023] Reference Figures 1 to 4The utility model embodiment is a wiring connector, which includes a limit switch 1, a connector 2, and a push rod 3. The connector 2 is threadedly connected to one side of the limit switch 1, and the push rod 3 is fixedly connected to the side of the limit switch 1 away from the connector 2. The connector 2 includes a sheath 4, a tail cover 5, a waterproof glue 6, a wire 7, a circuit board 8, a positioning seat 9, a terminal 10, and a mounting hole 11. The tail cover 5 is fixedly connected to the outer surface of the sheath 4 on the side close to the limit switch 1. The outer surface of the tail cover 5 is provided with a thread. One end of the wire 7 is electrically connected to the limit switch 1, and the end of the wire 7 away from the limit switch 1 is welded to the side of the circuit board 8. One end of the terminal 10 is welded to the circuit board 8. The outer surface of the positioning seat 9 is provided with a plurality of through holes and a mounting hole 11. The plurality of through holes are movably connected to the outer surface of the terminal 10. The circuit board 8 and the positioning seat 9 are connected through the mounting hole 11. 1 is fixedly connected, the positioning seat 9 is fixedly installed inside the sheath 4, and the waterproof glue 6 is filled inside the tail cover 5. In the production of the connector 2, the sheath 4 is injection molded, which can ensure the simplicity of the internal structure. At the same time, injection molding has the advantages of high production capacity and low cost. The terminal 10 is made of copper material and is formed in one step by a lathe. It has a solid structure, is not easy to deform, and has stable conductive performance. The length of the wire 7 is 35mm, which is suitable for the design requirements of the connector 2. The wire 7 is first connected to the circuit board 8 and the terminal 10 by welding. This connection method makes the wire 7 have good tensile resistance and stable conductive performance. After the welding is completed, the circuit board 8 and the terminal 10 are placed in the sheath 4 as a whole, and the waterproof glue 6 is poured to complete the production of the connector 2. This production process enables the connector 2 to have a waterproof grade that reaches the IP67 standard.

[0024] A slide groove is provided inside the push rod 3, and an adjusting rod 12 is movably connected in the slide groove. A plurality of adjusting holes 13 are provided on the outer surface of the adjusting rod 12, and the adjusting holes 13 are evenly distributed along the length direction of the adjusting rod 12. A groove is provided at the end of the adjusting rod 12 away from the push rod 3, and a shaft is provided in the groove. A ball 14 is rotatably connected to the outer surface of the shaft. The push rod 3, the adjusting rod 12, the ball 14 and other components are made of high-strength metal materials, such as stainless steel, to ensure stability and durability during use.

[0025] A fixing frame 15 is fixedly connected to the outer surface of one side of the push rod 3, and a pull rod 17 is movably connected inside the fixing frame 15. A connecting piece 16 is fixedly connected to the outer surface of the pull rod 17, and a spring 19 is fixedly connected between the fixing frame 15 and the connecting piece 16. A handle 18 is fixedly connected to one end of the pull rod 17, and the end of the pull rod 17 away from the handle 18 passes through the push rod 3 and the adjustment hole 13. The diameter of the adjustment hole 13 is consistent with the diameter of the pull rod 17. In order to improve the wear resistance and corrosion resistance of the pull rod 17, aluminum alloy or chrome-plated steel and other materials are selected.

[0026] Working principle: First, the connector 2 is fixedly connected to one side of the limit switch 1 through the threads on the tail cover 5 to ensure that the connector 2 is firmly connected to the limit switch 1 and provides an electrical connection. The sheath 4 of the connector 2 and the tail cover 5 are fixedly connected together to form a sealed space for encapsulating the wire 7 and the circuit board 8 to prevent dust and moisture from damaging the internal electrical components. One end of the wire 7 is connected to the limit switch 1, and the other end is welded to one side of the circuit board 8. The electrical signal of the limit switch 1 is transmitted to the circuit board 8 through the wire 7. The terminal 10 on the circuit board 8 is connected to the wire 7 by welding to receive and process the electrical signal transmitted from the limit switch 1. A plurality of adjustable limit positions are provided through the adjustment hole 13 of the adjustment rod 12. The user can easily adjust the position of the limit switch 1 by pulling the handle 18. The spring 19 is connected between the fixing frame 15 and the connecting piece 16 to provide a restoring force so that the pull rod 17 automatically returns to its position after adjustment, thereby increasing the convenience of operation.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A wiring connector, comprising a limit switch (1), a connector (2), and a push rod (3), characterized in that: The connector (2) is threadedly connected to one side of the limit switch (1); the push rod (3) is fixedly connected to the side of the limit switch (1) away from the connector (2); the connector (2) comprises a sheath (4), a tail cover (5), waterproof glue (6), a wire (7), a circuit board (8), a positioning seat (9), a terminal (10), and a mounting hole (11); the tail cover (5) is fixedly connected to the outer surface of the sheath (4) on the side close to the limit switch (1); the outer surface of the tail cover (5) is provided with a thread; one end of the wire (7) is connected to the limit switch (1) electrical connection, the end of the wire (7) away from the limit switch (1) is welded to one side of the circuit board (8), one end of the terminal (10) is welded to the circuit board (8), the outer surface of the positioning seat (9) is provided with a plurality of through holes and a mounting hole (11), the plurality of through holes are movably connected to the outer surface of the terminal (10), the circuit board (8) and the positioning seat (9) are fixedly connected through the mounting hole (11), the positioning seat (9) is fixedly installed inside the sheath (4), and the waterproof glue (6) is filled inside the tail cover (5).

2. A wiring connector according to claim 1, characterized in that: A slide groove is provided inside the push rod (3), and an adjusting rod (12) is movably connected inside the slide groove.

3. A wiring connector according to claim 2, characterized in that: The outer surface of the adjusting rod (12) is provided with a plurality of adjusting holes (13), and the adjusting holes (13) are evenly distributed along the length direction of the adjusting rod (12).

4. A wiring connector according to claim 2, characterized in that: A groove is formed at one end of the adjusting rod (12) away from the push rod (3), a shaft is arranged in the groove, and a ball (14) is rotatably connected to the outer surface of the shaft.

5. A wiring connector according to claim 1, characterized in that: A fixing frame (15) is fixedly connected to the outer surface of one side of the push rod (3), a pull rod (17) is movably connected inside the fixing frame (15), and a connecting piece (16) is fixedly connected to the outer surface of the pull rod (17).

6. A wiring connector according to claim 5, characterized in that: A spring (19) is fixedly connected between the fixing frame (15) and the connecting member (16), and a handle (18) is fixedly connected to one end of the pull rod (17).

7. A wiring connector according to claim 6, characterized in that: One end of the pull rod (17) away from the handle (18) passes through the push rod (3) and the adjustment hole (13), and the diameter of the adjustment hole (13) is consistent with the diameter of the pull rod (17).