Waterproof high-voltage-resistant binding post

Abstract

The utility model relates to the technical field of binding posts, and discloses a waterproof high-voltage-resistant binding post which comprises a binding post body, a wire inlet hole is formed in the top of the binding post body, a threaded hole is formed in the left side of the binding post body, a screw is in threaded connection in the threaded hole, a first pressing plate is movably connected to the right side of the screw, and a second pressing plate is movably connected to the right side of the first pressing plate. The right side of the first pressing plate is fixedly connected with first teeth, the right inner wall of the binding post body is fixedly connected with a second pressing plate, and the left side of the second pressing plate is fixedly connected with second teeth. According to the waterproof high-voltage-resistant binding post, the first teeth and the second teeth are fixed to the first pressing plate and the second pressing plate respectively, when the first pressing plate moves, the first pressing plate can be meshed with the second teeth to play a role in fixing a wire, the wire can be completely pressed through cooperation of the first teeth and the second teeth, meanwhile, the crimping contact area is wide, and the waterproof high-voltage-resistant binding post is convenient to use. And the condition of off-line or contact failure does not occur.

Description

Technical Field

[0001] The utility model relates to the technical field of binding posts, in particular to a waterproof high-voltage resistant binding post. Background Art

[0002] Binding post is a common circuit switching device, which is widely used in various electrical equipment. Its main function is to transfer the current from one side to another or several circuits.

[0003] A terminal provided in the public specification of Chinese utility model patent application CN 202034488 U includes a terminal body, a terminal hole opened on the terminal body, a wire pressing screw hole opened on the terminal body, and a wire pressing screw, wherein the terminal hole is connected to the wire pressing screw hole, and is characterized in that: the diameter of the wire pressing screw hole and the diameter of the wire pressing screw matching the wire pressing screw hole are equal to or greater than the aperture of the terminal hole, the wiring is simple, the wire core is easily completely pressed by the wire pressing screw, the current carrying capacity of the wire can be fully exerted, and the wire is suitable for universal promotion and application.

[0004] The above-mentioned prior art achieves compression of the wire by tightening the screws. This method has the problems of loose crimping resulting in the wire coming out, and contact failure due to the small crimping surface. Therefore, a waterproof high-voltage resistant terminal is urgently needed. Utility Model Content

[0005] The purpose of the utility model is to provide a waterproof high-voltage resistant terminal to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a waterproof high-voltage resistant terminal, comprising a terminal body, a wire entry hole is provided at the top of the terminal body, and a threaded hole is provided at the left side of the terminal body;

[0007] A screw is threadedly connected in the threaded hole, a first pressure plate is movably connected to the right side of the screw, a first tooth is fixedly connected to the right side of the first pressure plate, a second pressure plate is fixedly connected to the right inner wall of the terminal body, and a second tooth is fixedly connected to the left side of the second pressure plate.

[0008] Preferably, the front and rear sides of the first pressing plate are respectively fixedly connected to limiting blocks, and the front and rear inner walls of the terminal body are provided with limiting sliding grooves.

[0009] A wire entry hole is provided on the top of the terminal body for connecting the wire, and a threaded hole is provided on the left side. The screw is connected to the threaded hole of the terminal body through a thread. The first pressure plate is movably connected to the screw and can move under the drive of the screw. The second pressure plate is fixed to the right inner wall of the terminal body, opposite to the first pressure plate. The first teeth and the second teeth are respectively fixed on the first pressure plate and the second pressure plate. When the first pressure plate moves, it can engage with the second teeth to fix the wire.

[0010] Preferably, the limit blocks are respectively matched with the limit slide grooves, and the limit blocks are slidably arranged in the limit slide grooves.

[0011] Preferably, a threading post is fixedly connected to the top of the terminal body, and the threading post is provided with a wire entry hole connected to the terminal body.

[0012] Limiting blocks are fixed on the front and rear sides of the first pressure plate, and limiting grooves are provided on the front and rear inner walls of the terminal body. The limiting blocks are slidably arranged in the limiting grooves, so that when the screw drives the first pressure plate to move, the first pressure plate can only move on a limited path. A threading post is fixed on the top of the terminal body, and a wire entry hole connected to the interior of the terminal body is provided on the threading post for the connection of wires.

[0013] Preferably, a mounting seat is provided at the bottom of the terminal body, a threaded sleeve is provided at the top of the mounting seat, and a protective cover is threadedly connected to the outer side of the threaded sleeve.

[0014] Preferably, a wire entry hole connected to the wire threading column is opened on the top of the protective cover, and a rubber sleeve is arranged on the top of the protective cover.

[0015] A mounting seat is provided at the bottom of the terminal body, a threaded sleeve is provided at the top of the mounting seat, the outer side of the threaded sleeve is threadedly connected to a protective cover, the terminal can be conveniently installed on the equipment through the mounting seat, the outer side of the threaded sleeve is threadedly connected to a protective cover, and the protective cover provides additional protection.

[0016] Preferably, a tightening throat clamp is provided on the outer side of the rubber sleeve.

[0017] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0018] First, the utility model, the top of the terminal body is provided with an entry hole for the access of the wire, and the left side is provided with a threaded hole, the screw is connected to the threaded hole of the terminal body through a thread, the first pressing plate is movably connected with the screw, and can move under the drive of the screw, the second pressing plate is fixed to the right inner wall of the terminal body, opposite to the first pressing plate, the first tooth and the second tooth are respectively fixed to the first pressing plate and the second pressing plate, when the first pressing plate moves, it can mesh with the second tooth to play the role of fixing the wire, the front and rear sides of the first pressing plate are fixed with a limited position block, the front and rear inner walls of the terminal body are provided with a limited position slide groove, the limit block is slidably arranged in the limit position slide groove, so that when the screw drives the first pressing plate to move, the first pressing plate can only move on a limited path, a threading column is fixed on the top of the terminal body, the threading column is provided with an entry hole connected to the inside of the terminal body, for the access of the wire, the device can completely compress the wire through the cooperation of the first tooth and the second tooth, and at the same time, the crimping contact surface is relatively wide, and there will be no derailment or contact failure.

[0019] Second, in the utility model, a mounting seat is provided at the bottom of the terminal body, a threaded sleeve is provided at the top of the mounting seat, a protective cover is connected to the outer thread of the threaded sleeve, the terminal can be conveniently installed on the equipment through the mounting seat, the protective cover is connected to the outer thread of the threaded sleeve, and the protective cover provides additional protection to prevent moisture and impurities from entering the interior of the terminal. A wire entry hole connected to the threading post is provided on the top of the protective cover for the connection of the wire. At the same time, a rubber sleeve is also provided on the top of the protective cover, the wire passes through the rubber sleeve, and the wire and the rubber sleeve are fixed by tightening the throat clamp to prevent water vapor from entering, and it also has the function of preventing falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the explosion three-dimensional structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the front section structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the left side cutaway structure of the terminal body of the utility model;

[0023] Figure 4 It is a schematic diagram of the three-dimensional structure of the utility model in a front cutaway side view.

[0024] Among them: 1. Terminal body; 2. Screw; 3. First pressure plate; 4. First tooth; 5. Second pressure plate; 6. Second tooth; 7. Limit block; 8. Threading post; 9. Mounting seat; 10. Threaded sleeve; 11. Protective cover; 12. Rubber sleeve; 13. Tighten the throat clamp. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The utility model provides the following technical solutions:

[0027] Embodiment 1

[0028] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 A waterproof high-voltage resistant terminal comprises a terminal body 1, a wire entry hole is provided on the top of the terminal body 1, and a threaded hole is provided on the left side of the terminal body 1;

[0029] A screw 2 is threadedly connected to the threaded hole, a first pressure plate 3 is movably connected to the right side of the screw 2, a first tooth 4 is fixedly connected to the right side of the first pressure plate 3, a second pressure plate 5 is fixedly connected to the right inner wall of the terminal body 1, and a second tooth 6 is fixedly connected to the left side of the second pressure plate 5.

[0030] The front and rear sides of the first pressing plate 3 are respectively fixedly connected with the limiting blocks 7 , and the front and rear inner walls of the terminal body 1 are provided with limiting sliding grooves.

[0031] The limit blocks 7 are respectively matched with the limit sliding grooves, and the limit blocks 7 are slidably arranged in the limit sliding grooves.

[0032] A threading post 8 is fixedly connected to the top of the terminal body 1 , and a wire entry hole communicating with the terminal body 1 is formed on the threading post 8 .

[0033] Through the above technical solution, a wire entry hole is opened on the top of the terminal body 1 for the access of the wire, and a threaded hole is opened on the left side. The screw 2 is connected to the threaded hole of the terminal body 1 through a thread. The first pressing plate 3 is movably connected to the screw 2 and can move under the drive of the screw 2. The second pressing plate 5 is fixed to the right inner wall of the terminal body 1, opposite to the first pressing plate 3. The first tooth 4 and the second tooth 6 are respectively fixed on the first pressing plate 3 and the second pressing plate 5. When the first pressing plate 3 moves, it can mesh with the second tooth 6 to fix the wire. The front of the first pressing plate 3 Limiting blocks 7 are fixed on the rear two sides, and limiting grooves are provided on the front and rear inner walls of the terminal body 1. The limiting blocks 7 are slidably arranged in the limiting grooves, so that when the screw 2 drives the first pressure plate 3 to move, the first pressure plate 3 can only move on a limited path. A threading post 8 is fixed on the top of the terminal body 1. The threading post 8 is provided with a wire entry hole connected to the inside of the terminal body 1 for the connection of the wire. The device can completely compress the wire through the cooperation of the first tooth 4 and the second tooth 6. At the same time, the crimping contact surface is relatively wide, and there will be no derailment or contact failure.

[0034] Embodiment 2

[0035] See also Figure 1 , Figure 4 On the basis of the first embodiment, it is further obtained that: a mounting seat 9 is arranged at the bottom of the terminal body 1, a threaded sleeve 10 is arranged at the top of the mounting seat 9, and a protective cover 11 is threadedly connected to the outer side of the threaded sleeve 10.

[0036] A wire entry hole connected to the wire threading column 8 is opened on the top of the protective cover 11 , and a rubber sleeve 12 is arranged on the top of the protective cover 11 .

[0037] A fastening throat clamp 13 is arranged on the outer side of the rubber sleeve 12 .

[0038] Through the above technical scheme, a mounting seat 9 is provided at the bottom of the terminal body 1, a threaded sleeve 10 is provided at the top of the mounting seat 9, and a protective cover 11 is connected to the outer thread of the threaded sleeve. The terminal can be conveniently installed on the equipment through the mounting seat 9, and the outer thread of the threaded sleeve 10 is connected to the protective cover 11. The protective cover 11 provides additional protection to prevent moisture and impurities from entering the interior of the terminal. A wire entry hole connected to the threading column 8 is opened on the top of the protective cover 11 for the connection of the wire. At the same time, a rubber sleeve 12 is also provided on the top of the protective cover 11. The wire passes through the rubber sleeve 12, and the wire and the rubber sleeve 12 are fixed by tightening the throat clamp 13 to prevent water vapor from entering, and it also has the function of preventing falling off.

[0039] During actual operation, when this device is in use, the wire is passed through the rubber sleeve 12 and the wire entry hole of the protective cover 11, and then the wire is passed into the terminal body 1, and the screw 2 is turned to make the first pressure plate 3 drive the first tooth 4 to move, and the wire is fixed with the cooperation of the first tooth 4 and the second tooth 6, and then the protective cover 11 is screwed onto the threaded sleeve 10, and then the tightening throat clamp 13 is tightened and fixed on the rubber sleeve 12 to fix the rubber sleeve 12 and the wire.

[0040] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit thereof, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A waterproof high-voltage resistant terminal, comprising a terminal body (1), characterized in that: A wire entry hole is provided on the top of the terminal body (1), and a threaded hole is provided on the left side of the terminal body (1); A screw (2) is threadedly connected to the threaded hole, a first pressure plate (3) is movably connected to the right side of the screw (2), a first tooth (4) is fixedly connected to the right side of the first pressure plate (3), a second pressure plate (5) is fixedly connected to the right inner wall of the terminal body (1), and a second tooth (6) is fixedly connected to the left side of the second pressure plate (5).

2. A waterproof high-voltage resistant terminal according to claim 1, characterized in that: The front and rear sides of the first pressing plate (3) are respectively fixedly connected to limiting blocks (7), and the front and rear inner walls of the terminal body (1) are provided with limiting sliding grooves.

3. A waterproof high-voltage resistant terminal according to claim 2, characterized in that: The limit blocks (7) are respectively matched with the limit sliding grooves, and the limit blocks (7) are slidably arranged in the limit sliding grooves.

4. The waterproof high-voltage resistant terminal according to claim 1, characterized in that: A threading post (8) is fixedly connected to the top of the terminal body (1), and a wire entry hole communicating with the terminal body (1) is provided on the threading post (8).

5. The waterproof high-voltage resistant terminal according to claim 1, characterized in that: A mounting seat (9) is arranged at the bottom of the terminal body (1), a threaded sleeve (10) is arranged at the top of the mounting seat (9), and a protective cover (11) is threadedly connected to the outer side of the threaded sleeve (10).

6. The waterproof high-voltage resistant terminal according to claim 5, characterized in that: A wire entry hole connected to the wire threading column (8) is provided on the top of the protective cover (11), and a rubber sleeve (12) is provided on the top of the protective cover (11).

7. The waterproof high-voltage-resistant terminal according to claim 6, characterized in that: A tightening throat hoop (13) is provided on the outer side of the rubber sleeve (12).

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