Air switch convenient for wiring

Abstract

The utility model discloses an air switch convenient for wiring, which comprises an air switch main body, the top and the bottom of the air switch main body are respectively provided with a wiring port, the side surface of each wiring port is provided with a wire metal part clamping component, and a wire insulation part clamping component is arranged above each wiring port; wherein the wire metal part clamping component comprises a wiring terminal fixing plate and a first pressing plate, and the first pressing plate performs front-back linear displacement through a first driving piece; wherein the wire insulation part clamping component comprises a mounting cover, a threading opening is formed in the top of the mounting cover, a second pressing plate is mounted in the threading opening, and the second pressing plate performs front-back linear displacement through a second driving part. According to the utility model, the wire metal part clamping part and the wire insulation part clamping part are matched for use, so that the wire can be effectively fixed, tools are not needed during installation, manual direct installation can be realized, and wiring of the air switch is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of air switches, and in particular relates to an air switch which is convenient for wiring. Background Art

[0002] The air switch is a very important electrical appliance in the low-voltage power distribution network and electric traction system. It integrates control and multiple protection functions. In addition to completing the contact and disconnection of the circuit, it can protect the circuit or electrical equipment from short circuit, severe overload and undervoltage. It can also be used to start the motor infrequently.

[0003] Since traditional air switches use screws to tighten wires, special tools are required to operate them. In addition, since the screws on air switches are usually small, the screws can easily slip during installation if a little force is applied, and the wires will not be connected tightly after the screws slip. Utility Model Content

[0004] The utility model aims to provide an air switch which is easy to connect, so as to solve the technical defects that the existing air switch uses screws to tighten the wires, needs to use special tools to operate, and is prone to screw slippage during the installation of the wires, resulting in a loose connection.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an air switch that is easy to connect, comprising an air switch body, the top and bottom of the air switch body respectively having connection ports, the sides of the connection ports are provided with wire metal part clamping components, and the top of the connection ports is provided with a wire insulation part clamping component; wherein the wire metal part clamping component comprises a terminal fixing plate fixedly installed inside the connection port and a first clamping plate, and the first clamping plate is linearly displaced forward and backward by a first driving member; wherein the wire insulation part clamping component comprises a mounting cover with an open bottom, the mounting cover is fixedly installed on the top of the air switch body, a wire threading port is provided on the top of the mounting cover, a second clamping plate is installed inside the wire threading port, and the second clamping plate is linearly displaced forward and backward by a second driving member.

[0006] As a further solution of the utility model, the first driving member includes a first bearing fixedly installed on the air switch body, a connecting rod is movably installed in the inner ring of the first bearing, one end of the connecting rod is fixedly connected to one side of the first clamping plate, the other end of the connecting rod is fixedly connected to the connecting plate, a second bearing is fixedly installed on the connecting plate, a first handle bolt is fixedly installed in the inner ring of the second bearing, and the first handle bolt is threadedly connected to one side of the air switch.

[0007] As a further solution of the utility model, the second driving member includes a second handle bolt, a threaded hole is opened on the mounting cover, the second handle bolt is threadedly installed inside the threaded hole, and one end of the second handle bolt is rotatably connected to one side of the second clamping plate.

[0008] As a further solution of the utility model, a slide groove is provided on the inner wall of the threading port, and a slider is integrally formed on the second clamping plate, and the slider is slidably installed inside the slide groove.

[0009] As a further preferred embodiment of the present invention, a rubber pad is fixedly mounted on the pressing surface of the second pressing plate.

[0010] As a preferred solution of the utility model, the connecting rod, the connecting plate, the first handle bolt, the mounting cover, the second handle bolt and the second pressing plate are all plastic structures.

[0011] Compared with the prior art, the utility model provides an air switch that is easy to connect and has the following beneficial effects:

[0012] 1. The utility model inserts one end of the wire into the interior of the wiring port from the threading port on the mounting cover, so that the end of the wire contacts the bottom surface of the terminal fixing plate, and drives the connecting rod to perform linear displacement inside the first bearing by rotating the first handle bolt, so that the conductive metal part of the wire is clamped between the terminal fixing plate and the first clamping plate, thereby completing the preliminary fixation of the wire. The second handle bolt can drive the second clamping plate to displace, so that the insulating protection part of the wire is clamped between the threading port and the second clamping plate, thereby completing the limit fixation of the upper part of the wire wiring part. No auxiliary tools are required in the process of fixing the wire, which is convenient for operation.

[0013] 2. The utility model can increase the friction force of the second clamping plate on the wire through the rubber pad, further improving the stability of the wire clamping.

[0014] 3. In the utility model, the second pressing plate covers the threading port, thereby reducing dust from entering the interior of the wiring port through the threading port, and avoiding short circuits at the wiring location caused by dust and debris. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings required for use in the embodiment will be briefly introduced below. Obviously, the drawings described below are only examples of the embodiment of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0017] Figure 2 It is a partial cross-sectional structural schematic diagram of an embodiment of the utility model;

[0018] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of the middle part A;

[0019] Figure 4 It is a schematic diagram of the structure of the installation cover in the embodiment of the utility model.

[0020] Reference numerals:

[0021] 1. Air switch body; 11. Wiring port; 2. Wire metal part clamping component; 21. Wiring terminal fixing plate; 22. First bearing; 23. Connecting rod; 24. Connecting plate; 25. Second bearing; 26. First handle bolt; 27. First clamping plate; 3. Wire insulation part clamping component; 31. Mounting cover; 32. Threading port; 33. Threaded hole; 34. Second handle bolt; 35. Second clamping plate; 36. Rubber pad; 37. Slide groove; 38. Slider; 4. Wire. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiment of the utility model more clear, the embodiment of the utility model is further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the embodiments of the present invention.

[0024] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the internal connection of two components; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0025] Embodiment 1:

[0026] See attached Figure 1-Figure 4As shown, an embodiment of the utility model is an air switch that is easy to connect, including an air switch body 1, the top and bottom of the air switch body 1 are respectively provided with wiring ports 11, the side of the wiring port 11 is installed with a wire metal part clamping component 2, and the upper part of the wiring port 11 is installed with a wire insulation part clamping component 3.

[0027] The wire metal part clamping component 2 includes a terminal fixing plate 21 fixedly installed inside the wiring port 11 and a first clamping plate 27 . The first clamping plate 27 is linearly displaced forward and backward by a first driving member.

[0028] The wire insulation clamping component 3 includes a mounting cover 31 with an open bottom, which is fixedly mounted on the top of the air switch body 1. A wire threading opening 32 is provided on the top of the mounting cover 31, and a second clamping plate 35 is installed inside the wire threading opening 32. The second clamping plate 35 is linearly displaced forward and backward by a second driving member.

[0029] The wire metal part clamping component 2 clamps the conductive metal part of the wire 4, and the wire insulation part clamping component 3 limits the insulating protection part of the upper end of the wiring part of the wire 4. Through the coordinated use of the wire metal part clamping component 2 and the wire insulation part clamping component 3, the wire 4 can be effectively fixed. No tools are required during installation, and it can be directly installed manually, which is convenient for operation and convenient for wiring of the air switch.

[0030] Embodiment 2:

[0031] See attached Figure 1-Figure 4 As shown, it is further improved on the basis of embodiment 1.

[0032] The first driving member includes a first bearing 22 fixedly mounted on the air switch body 1, a connecting rod 23 is movably mounted in the inner ring of the first bearing 22, one end of the connecting rod 23 is fixedly connected to one side of the first clamping plate 27, the other end of the connecting rod 23 is fixedly connected to a connecting plate 24, a second bearing 25 is fixedly mounted on the connecting plate 24, a first handle bolt 26 is fixedly mounted in the inner ring of the second bearing 25, and the first handle bolt 26 is threadedly connected to one side of the air switch.

[0033] The first bearing 22 is a linear bearing. Rotating the first handle bolt 26 drives the connecting rod 23 to perform linear displacement inside the first bearing 22. The conductive metal part of the wire 4 is clamped between the terminal fixing plate 21 and the first clamping plate 27. The first handle bolt 26 clamps the wire 4 without the aid of auxiliary tools, which is convenient for operation.

[0034] The second driving member includes a second handle bolt 34 . A threaded hole 33 is formed on the mounting cover 31 . The second handle bolt 34 is threadedly mounted inside the threaded hole 33 . One end of the second handle bolt 34 is rotatably connected to one side of the second clamping plate 35 .

[0035] Rotating the second handle bolt 34 can drive the second clamping plate 35 to move, and the insulating protection part of the wire 4 is clamped between the wire threading port 32 and the second clamping plate 35, so as to limit and fix the upper part of the wiring part of the wire 4, further increasing the stability of the wiring of the air switch body 1, and the second clamping plate 35 can cover the wire threading port 32, reduce dust from entering the interior of the wiring port 11 from the wire threading port 32, and avoid short circuit at the wiring point due to dust and debris.

[0036] A slide groove 37 is provided on the inner wall of the threading port 32, and a slider 38 is integrally formed on the second clamping plate 35. The slider 38 is slidably installed inside the slide groove 37 to limit the second clamping plate 35 so that the second clamping plate 35 can be displaced linearly, further increasing the stability of the second clamping plate 35 clamping the wire 4.

[0037] A rubber pad 36 is fixedly mounted on the pressing surface of the second pressing plate 35 to increase the friction force of the second pressing plate 35 on the wire 4 and further improve the stability of clamping the wire 4 .

[0038] The connecting rod 23, the connecting plate 24, the first handle bolt 26, the mounting cover 31, the second handle bolt 34 and the second clamping plate 35 are all made of plastic. The first handle bolt 26 and the second handle bolt 34 can be rotated by direct contact, which is convenient for operation.

[0039] When the embodiment of the utility model is used, one end of the wire 4 is passed through the threading port 32 on the mounting cover 31 into the interior of the wiring port 11, so that the end of the wire 4 contacts the bottom surface of the terminal fixing plate 21, and the first handle bolt 26 is rotated to drive the connecting rod 23 to perform a linear displacement inside the first bearing 22, so that the conductive metal part of the wire 4 is clamped between the terminal fixing plate 21 and the first clamping plate 27, thereby completing the preliminary fixation of the wire 4, and the second handle bolt 34 can drive the second clamping plate 35 to displace, so that the insulating protection part of the wire 4 is clamped between the threading port 32 and the second clamping plate 35, thereby completing the limit fixation of the upper part of the wiring part of the wire 4, and no auxiliary tools are required in the process of fixing the wire 4, which is convenient for operation.

[0040] The above shows and describes the basic principles of the present invention. The above are only preferred embodiments of the present invention and are not intended to limit the present invention. The above embodiments and descriptions in the specification are only intended to illustrate the principles of the present invention. Without departing from the scope of the present invention, any modifications, equivalent substitutions and improvements made within the spirit and scope of the present invention should be included in the protection scope of the present invention.

Claims

1. An air switch for easy wiring, comprising an air switch body (1), wherein the top and bottom of the air switch body (1) are respectively provided with wiring ports (11), characterized in that: A wire metal part clamping component (2) is installed on the side of the wiring port (11), and a wire insulation part clamping component (3) is installed above the wiring port (11); The wire metal part clamping component (2) comprises a terminal fixing plate (21) fixedly mounted inside the wiring port (11) and a first clamping plate (27), and the first clamping plate (27) is linearly displaced forward and backward by a first driving member; The wire insulation clamping component (3) comprises a mounting cover (31) with an open bottom, the mounting cover (31) being fixedly mounted on the top of the air switch body (1), the mounting cover (31) having a wire threading opening (32) on the top, a second clamping plate (35) being mounted inside the wire threading opening (32), and the second clamping plate (35) being linearly displaced forward and backward by a second driving member.

2. The air switch for easy wiring according to claim 1, characterized in that: The first driving member comprises a first bearing (22) fixedly mounted on the air switch body (1); a connecting rod (23) is movably mounted in the inner ring of the first bearing (22); one end of the connecting rod (23) is fixedly connected to one side of the first clamping plate (27); the other end of the connecting rod (23) is fixedly connected to a connecting plate (24); a second bearing (25) is fixedly mounted on the connecting plate (24); a first handle bolt (26) is fixedly mounted in the inner ring of the second bearing (25); and the first handle bolt (26) is threadedly connected to one side of the air switch.

3. The air switch for easy wiring according to claim 2, characterized in that: The second driving member comprises a second handle bolt (34); a threaded hole (33) is formed on the mounting cover (31); the second handle bolt (34) is threadedly mounted inside the threaded hole (33); one end of the second handle bolt (34) is rotatably connected to one side of the second clamping plate (35).

4. The air switch for easy wiring according to claim 3, characterized in that: A slide groove (37) is provided on the inner wall of the threading opening (32), and a slider (38) is integrally formed on the second pressing plate (35), and the slider (38) is slidably mounted inside the slide groove (37).

5. The air switch for easy wiring according to claim 3, characterized in that: A rubber pad (36) is fixedly mounted on the pressing surface of the second pressing plate (35).

6. The air switch for easy wiring according to claim 3, characterized in that: The connecting rod (23), the connecting plate (24), the first handle bolt (26), the mounting cover (31), the second handle bolt (34) and the second pressing plate (35) are all made of plastic.

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