Protective device based on motor wiring terminal

Abstract

The utility model belongs to the technical field of wiring terminal protection, and discloses a protective device based on a motor wiring terminal, which comprises an upper shell and a lower shell, the upper shell and the lower shell are hermetically connected to form a waterproof shell, a wiring clamp is arranged in the waterproof shell, a sliding block is arranged on the upper shell, and wire inlet and outlet holes are arranged on two sides of the lower shell. A motor wire and a to-be-connected wire penetrate through the wire inlet and outlet hole to be arranged in the waterproof shell and are electrically connected, a waterproof blocking piece is welded to the side, close to the upper shell, of the sliding block, the wiring clamp comprises a clamp head, a clamp handle and a hinge column, a connecting wire is arranged on one side of the clamp handle, and a sliding switching device is arranged between the clamp handle and the lower shell. A target connecting wire penetrates through the end of the wire inlet and outlet hole to be arranged at the elastic pad, the electric contact block on the wiring clamp can be electrically connected with the target connecting wire by adjusting the sliding block, the waterproof and connecting device is compact and reasonable in structural design, the requirement that a connecting target is easy to replace while waterproof can be met, and the device is convenient to separate a target wire, convenient to use and good in safety.

Description

Technical Field

[0001] This utility model relates to the field of terminal protection technology, specifically to a motor terminal protection device. Background Technology

[0002] Terminal blocks are components used to connect electrical circuits or components, primarily for achieving electrical connections and distributing power. They are typically made of metal and can withstand certain current and voltage. There are many types of terminal blocks, with common connection methods including: fixing cables with screws (suitable for various wire diameters); plug-in connection (convenient and quick, often used in household appliances and small devices); plug and socket connection (used in situations requiring frequent connection and disconnection, such as power connections for electrical appliances); and busbar terminal blocks (used for high-current connections, typically used in conjunction with conductive busbars).

[0003] Common terminal blocks have poor waterproof and safety performance. When terminal blocks come into contact with water, they may experience short circuits and leakage. Liquid can form a current path on the metal surface, reducing its insulation and causing unstable equipment operation. Short circuits can lead to abnormally increased current, which may cause equipment damage or fire. Some existing waterproof connection methods are mostly fixed connections with cut-off switches, which are not portable and cannot be frequently used to change the target connection wire. They are not suitable for equipment that requires frequent connection changes, such as some motors that need to be moved to multiple locations and connected to different power sources. Current waterproof connections cannot meet their usage requirements. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a motor terminal protection device, which solves the problems mentioned in the background art, such as the inability of existing waterproof connections to meet the usage requirements of motors needing to connect to different targets.

[0006] (II) Technical Solution

[0007] To achieve the above-mentioned objectives, the present invention provides the following technical solution: a motor terminal protection device, comprising an upper shell and a lower shell, wherein the upper shell and the lower shell are sealed together to form a waterproof shell, a wiring clip is provided inside the waterproof shell, a sliding block is provided on the upper shell, and inlet and outlet holes are provided on both sides of the lower shell, wherein the motor wire and the wire to be connected pass through the inlet and outlet holes and are placed inside the waterproof shell and electrically connected.

[0008] Preferably, a waterproof baffle is welded to the side of the sliding block near the upper shell, and a first sliding groove corresponding to the sliding block and the waterproof baffle is opened on the upper shell. A sealing connection port is provided at the connection between the upper shell and the lower shell, and the upper shell and the lower shell are sealed together through the sealing connection port.

[0009] Preferably, the wiring clamp includes a clamp head, a clamp handle, and a hinge post. The clamp head and the clamp handle are at a fixed angle. A hinge post is provided at the connection between the clamp head and the clamp handle. A hinge cylinder corresponding to the hinge post is provided in the upper middle part of the lower shell. The hinge post is inserted into the hinge cylinder. The clamp head and the clamp handle are hinged to the lower shell through the hinge post and the hinge cylinder. A connecting wire is provided on one side of the clamp handle.

[0010] Preferably, the clamp head is provided with an electrical contact on the side near the lower shell, and a circular groove is provided on the side of the lower shell and the clamp head corresponding to the electrical contact. A spring is installed in the circular groove, with one end of the spring abutting against the lower shell and the other end abutting against the clamp head. A second sliding groove is provided on the side of the clamp handle near the lower shell, and a sliding switching device is provided between the clamp handle and the lower shell.

[0011] Preferably, the sliding switching device includes a chassis, a support rod, an L-shaped connecting rod, and a sliding block. The chassis is provided on the lower shell at the position corresponding to the clamp handle. A support rod corresponding to the second sliding groove is welded on the chassis. The other end of the support rod is slidably engaged in the second sliding groove. An L-shaped connecting rod is welded on the side of the chassis away from the second sliding groove. The other end of the L-shaped connecting rod is welded to the sliding block.

[0012] Preferably, an elastic pad corresponding to the electrical contact is installed on the lower shell, and a sealing ring is installed on the lower shell at the corresponding inlet and outlet holes, with the sealing ring sleeved on the outside of the wire.

[0013] (III) Beneficial Effects

[0014] Compared with the prior art, the present invention provides a motor terminal protection device, which has the following advantages:

[0015] 1. This motor terminal protection device features a waterproof housing, terminals, and a sliding switching device, meeting the requirements of waterproofing while facilitating easy replacement of the connection target. It also allows for convenient separation of the target wire, making it easy to use and ensuring good safety.

[0016] 2. Equipped with a waterproof casing, the target connection cable can be passed through the inlet hole and connected to the motor via the connector clip, making it easy to replace the connection cable. The waterproof seal prevents leakage or short circuit at the connection point, meeting the requirements of waterproofing and easy replacement of the connection target. It is convenient to use and has good safety.

[0017] 3. Equipped with a sliding switching device, the angle between the clamp handle and the lower shell can be changed by sliding the switch to disconnect or connect the circuit. When connecting the circuit, the clamp head will clamp the target wire to prevent the connection from loosening. When disconnecting the circuit, the clamp head will release the target wire to facilitate separation of the target wire. The purely mechanical structure is safe, reliable and not easily damaged. Attached Figure Description

[0018] Figure 1This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the upper and lower shells of this utility model;

[0020] Figure 3 This is a schematic diagram of the wiring clip structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the wiring clip and lower shell structure of this utility model;

[0022] Figure 5 This is a schematic diagram of the internal structure of the waterproof shell of this utility model;

[0023] Figure 6 This is a schematic diagram of the sliding switching device of this utility model.

[0024] In the diagram: 1. Upper shell; 2. Lower shell; 3. Wiring clamp; 4. Sliding block; 5. Inlet / outlet hole; 6. First sliding groove; 7. Waterproof baffle; 8. Sealed connection port; 9. Clamp head; 10. Clamp handle; 11. Hinge post; 12. Hinge cylinder; 13. Connecting wire; 14. Electrical contact block; 15. Spring; 16. Second sliding groove; 17. Chassis; 18. Support rod; 19. L-shaped connecting rod; 20. Elastic pad. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1-6 This utility model provides a technical solution:

[0027] The device is based on a motor terminal protection device, comprising an upper shell 1 and a lower shell 2. The upper shell 1 and the lower shell 2 are sealed together to form a waterproof shell. A wiring clip 3 is provided inside the waterproof shell. A sliding block 4 is provided on the upper shell 1. Inlet and outlet holes 5 are provided on both sides of the lower shell 2. The motor wire and the wire to be connected pass through the inlet and outlet holes 5 and are placed inside the waterproof shell and electrically connected. This device is installed on the motor wire, and the other end mates with the target connection wire to electrically connect the motor wire and the target connection wire. In use, the end of the target connection wire is placed through the inlet and outlet hole 5 and placed at the elastic pad 20, sealing the upper shell 1 and the lower shell 2. Adjusting the sliding block 4 can electrically connect the electrical contact 14 on the wiring clip 3 to the target connection wire.

[0028] Furthermore, a waterproof baffle 7 is welded to the side of the sliding block 4 near the upper shell 1. A first sliding groove 6 corresponding to the sliding block 4 and the waterproof baffle 7 is opened on the upper shell 1. A sealing connection port 8 is provided at the connection between the upper shell 1 and the lower shell 2. The upper shell 1 and the lower shell 2 are sealed and connected through the sealing connection port 8.

[0029] Furthermore, the wiring clip 3 includes a clip head 9, a clip handle 10, and a hinge post 11. The clip head 9 and the clip handle 10 form a fixed angle. The hinge post 11 is located at the connection between the clip head 9 and the clip handle 10. A hinge cylinder 12 corresponding to the hinge post 11 is located in the upper middle part of the lower shell 2. The hinge post 11 is inserted into the hinge cylinder 12. The clip head 9 and the clip handle 10 are hinged to the lower shell 2 through the hinge post 11 and the hinge cylinder 12. A connecting wire 13 is provided on one side of the clip handle 10. The wiring clip 3 cooperates with the lower shell 2 to clamp the target connecting wire. The connecting wire 13 is connected to the motor wire. The wiring clip 3 is made of a conductive metal material, while the sliding switching device is made of a non-conductive material.

[0030] Furthermore, an electrical contact 14 is provided on the side of the clamp head 9 near the lower shell 2. A circular groove is formed on the lower shell 2 and the side of the clamp head 9 corresponding to the electrical contact 14. A spring 15 is installed in the circular groove, with one end of the spring 15 abutting against the lower shell 2 and the other end abutting against the clamp head 9. A second sliding groove 16 is formed on the side of the clamp handle 10 near the lower shell 2. A sliding switching device is provided between the clamp handle 10 and the lower shell 2. The spring 15 is used to provide elasticity to keep the clamp head 9 in a stable state when separated from the lower shell 2.

[0031] Furthermore, the sliding switching device includes a chassis 17, a support rod 18, an L-shaped connecting rod 19, and a sliding block 4. The chassis 17 is provided on the lower shell 2 corresponding to the clamp handle 10. The support rod 18 corresponding to the second sliding groove 16 is welded on the chassis 17. The other end of the support rod 18 is slidably engaged in the second sliding groove 16. An L-shaped connecting rod 19 is welded on the side of the chassis 17 away from the second sliding groove 16. The other end of the L-shaped connecting rod 19 is welded to the sliding block 4. Moving the sliding block 4 will change the position of the support rod 18 and the clamp handle 10. The movement of the sliding block 4 relative to the clamp head 9 changes the angle between the clamp handle 10 and the lower shell 2, thereby clamping the clamp head 9 and the lower shell 2 to clamp the target connecting wire, that is, to make the target connecting wire make contact with the electrical contact block 14 for electrical connection, and to fix the target connecting wire to prevent it from loosening and falling off.

[0032] Furthermore, an elastic pad 20 corresponding to the electrical contact 14 is installed on the lower shell 2, and a sealing ring is installed on the lower shell 2 at the inlet / outlet hole 5, with the sealing ring fitted over the outside of the wire. Multiple sets of sealing rings can be prepared as consumables. First, the sealing ring is fitted over the target connecting wire, and then the target connecting wire is passed through the inlet / outlet hole 5 so that its end is placed inside the waterproof shell, so that the sealing ring seals the gap in the inlet / outlet hole 5 to prevent water from entering.

[0033] Working principle: When this device is needed, the target connecting wire is passed through the inlet / outlet hole 5, and the end of the connecting wire is placed at the elastic pad 20. The upper shell 1 and the lower shell 2 are sealed together. The sliding block 4 is moved to adjust the angle between the clamp head 9 and the lower shell 2, which finally clamps the target connecting wire. The electrical contact 14 is electrically connected to the connecting wire. To remove the connecting wire, the sliding block 4 can be moved to loosen the clamp head 9 and the lower shell 2, and the connecting wire can be pulled out from the inlet / outlet hole 5. The removal process is very convenient.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A motor terminal protection device, comprising an upper shell (1) and a lower shell (2), characterized in that: The upper shell (1) and the lower shell (2) are sealed together to form a waterproof shell. A wiring clip (3) is provided inside the waterproof shell. A sliding block (4) is provided on the upper shell (1). Inlet and outlet holes (5) are opened on both sides of the lower shell (2). The motor wire and the wire to be connected pass through the inlet and outlet holes (5) and are placed inside the waterproof shell and electrically connected.

2. The motor terminal protection device according to claim 1, characterized in that: The sliding block (4) is welded with a waterproof baffle (7) on the side near the upper shell (1). The upper shell (1) is provided with a first sliding groove (6) corresponding to the sliding block (4) and the waterproof baffle (7). The upper shell (1) and the lower shell (2) are both provided with a sealing connection port (8). The upper shell (1) and the lower shell (2) are sealed together through the sealing connection port (8).

3. The motor terminal protection device according to claim 1, characterized in that: The wiring clamp (3) includes a clamp head (9), a clamp handle (10), and a hinge post (11). The clamp head (9) and the clamp handle (10) are at a fixed angle. A hinge post (11) is provided at the connection between the clamp head (9) and the clamp handle (10). A hinge cylinder (12) corresponding to the hinge post (11) is provided in the upper middle part of the lower shell (2). The hinge post (11) is inserted into the hinge cylinder (12). The clamp head (9) and the clamp handle (10) are hinged to the lower shell (2) through the hinge post (11) and the hinge cylinder (12). A connecting wire (13) is provided on one side of the clamp handle (10).

4. The motor terminal protection device according to claim 3, characterized in that: An electrical contact (14) is provided on the side of the clamp head (9) near the lower shell (2). A circular groove is provided on the side of the lower shell (2) and the clamp head (9) corresponding to the electrical contact (14). A spring (15) is installed in the circular groove. One end of the spring (15) abuts against the lower shell (2) and the other end abuts against the clamp head (9). A second sliding groove (16) is provided on the side of the clamp handle (10) near the lower shell (2). A sliding switching device is provided between the clamp handle (10) and the lower shell (2).

5. The motor terminal protection device according to claim 4, characterized in that: The sliding switching device includes a chassis (17), a support rod (18), an L-shaped connecting rod (19), and a sliding block (4). The chassis (17) is provided on the lower shell (2) at the location corresponding to the clamp handle (10). A support rod (18) corresponding to the second sliding groove (16) is welded on the chassis (17). The other end of the support rod (18) is slidably engaged in the second sliding groove (16). An L-shaped connecting rod (19) is welded on the side of the chassis (17) away from the second sliding groove (16). The other end of the L-shaped connecting rod (19) is welded to the sliding block (4).

6. The motor terminal protection device according to claim 4, characterized in that: The lower shell (2) is equipped with an elastic pad (20) corresponding to the electrical contact (14), and a sealing ring is installed on the lower shell (2) at the inlet / outlet hole (5), with the sealing ring sleeved on the outside of the wire.

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