High-power switch

Abstract

The utility model discloses a high-power switch, which is characterized in that a guide strip is arranged on a base, and a balance block is arranged on the guide strip in a sliding manner; one end of the spring is arranged on the base, and the other end of the spring abuts against the balance block. The handle is installed at the upper end of the balance block, and the cam structure of the handle can tightly press the balance block. The static contact assembly is installed on the base through the static contact terminal frame. The moving contact assembly is installed on the base through the moving contact terminal frame, and the balance block can tightly press the moving contact assembly so that the moving contact assembly can be communicated with the static contact assembly. Through application of the high-power switch, the moving contact assembly in the high-power switch is of an integrated structure, the balance block can be directly communicated with the moving contact assembly, the switch structure is simpler and more stable, machining procedures are reduced, and abnormity of the split moving contact assembly in the machining process is avoided.

Description

Technical Field

[0001] The utility model relates to the relevant technical fields such as high-power switches, and in particular to a high-power switch. Background Art

[0002] High-power switches are used to control the conduction and cutoff of circuits. They have high safety performance and are widely used in various types of electrical equipment. The input and output terminals of the switch are connected to the electrical equipment and the power supply respectively. By turning the handle, the fixed contact and the moving contact between the input and output terminals are connected or separated to achieve the conduction and cutoff of the control circuit. They are generally embedded in the wall.

[0003] Please refer to patent CN220672414U. The movable contact assembly in the patent is a split structure, so the movable contact assembly needs to be connected to the balance seat through a conductive belt, which increases the processing steps when producing high-power switches and has a more complicated structure. Utility Model Content

[0004] In view of this, in order to solve the above problems, the purpose of the present utility model is to provide a high-power switch, which includes:

[0005] Base, static contact terminal frame, static contact assembly, moving contact terminal frame, moving contact assembly, balance block, handle, spring;

[0006] The base is provided with a guide bar, and the balancing block is slidably mounted on the guide bar;

[0007] One end of the spring is arranged on the base, and the other end of the spring abuts against the balance block;

[0008] The handle is mounted on the upper end of the balancing block, and the cam structure of the handle can press the balancing block;

[0009] The stationary contact assembly is mounted on the base through the stationary contact terminal frame;

[0010] The moving contact assembly is installed on the base through the moving contact terminal frame, and the balancing block can press the moving contact assembly to connect the moving contact assembly with the stationary contact assembly.

[0011] In the above-mentioned high-power switch, two guide bars are provided on the base, and the two guide bars are extended upward from the surface of the base. Two guide holes are provided on the balancing block, and the balancing block is slidably arranged on the two guide bars through the two guide holes.

[0012] The above-mentioned high-power switch, wherein the moving contact component includes: an insertion end, a connecting end, and a fixed end; the connecting end and the fixed end are respectively arranged on both sides of the insertion end, the insertion end extends into the base, the connecting end can be in contact and communication with the static contact component, and the fixed end extends into the moving contact terminal frame.

[0013] In the above-mentioned high-power switch, the connecting end is extended outward from the inserting end through two bends.

[0014] In the above-mentioned high-power switch, the fixed end is extended outward from the middle of the insertion end.

[0015] The above-mentioned high-power switch further includes: a ground wire connecting piece; the ground wire connecting piece is installed on the base through a ground wire frame.

[0016] The above-mentioned high-power switch further includes: terminal screws; the static contact terminal frame is a frame structure that passes through from top to bottom, the static contact component is arranged in an "L" shape, the static contact component extends into the interior of the static contact terminal frame, the terminal screws extend into the interior of the static contact terminal frame through the side wall of the static contact terminal frame, and fix the static contact component into the interior of the static contact terminal frame.

[0017] The above-mentioned high-power switch further includes: an upper cover assembly; the upper cover assembly is installed on the base, and one end of the handle extends out of the upper cover assembly.

[0018] The above-mentioned high-power switch, wherein the upper cover assembly includes: an upper cover and an outer frame; the upper cover and the outer frame are both installed on the base through the snap-fit ​​structure, the outer frame is covered on the upper cover, the upper cover is provided with a through hole, one end of the handle extends out of the upper cover through the through hole, and the handle is movably arranged in the through hole.

[0019] The above-mentioned high-power switch further includes: a wire pressing piece; the wire pressing piece is installed on the base, and the outer frame covers the wire pressing piece.

[0020] Compared with the prior art, the above technical solution has the following positive effects:

[0021] Through the application of the utility model, a high-power switch is provided. The moving contact assembly in the device is an integrated structure, and the balancing block can be directly connected to the moving contact assembly. The switch structure is simpler and more stable, and the processing steps are reduced, avoiding abnormalities of the split moving contact assembly during the processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1This is an exploded view of a high-power switch of the utility model from a first angle.

[0023] Figure 2 This is an exploded view of a high-power switch of the utility model from a second angle.

[0024] Figure 3 It is a schematic diagram of the disconnected state of the static contact component and the dynamic contact component in the utility model.

[0025] Figure 4 The utility model is a schematic diagram of a balance block and a handle when a high-power switch is in an off state.

[0026] Figure 5 It is a schematic diagram of the closed state of the static contact component and the dynamic contact component in the utility model.

[0027] Figure 6 The utility model is a schematic diagram of a balance block and a handle when a high-power switch is in a closed state.

[0028] Figure 7 This is an assembly diagram of a high-power switch in the utility model.

[0029] 1. Base; 101. Guide bar; 2. Balance block; 201. Guide hole; 3. Spring; 4. Handle; 5. Static contact assembly; 6. Static contact terminal frame; 7. Moving contact assembly; 701. Insertion end; 702. Fixed end; 703. Connection end; 8. Moving contact terminal frame; 9. Ground connection piece; 10. Ground frame; 11. Upper cover; 1101. Through hole; 12. Outer frame; 13. Terminal screw; 14. Wire pressing piece. DETAILED DESCRIPTION

[0030] The present invention will be further described below in conjunction with the accompanying drawings and specific implementations, but they are not intended to limit the present invention.

[0031] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effect that the utility model can produce and the purpose that can be achieved, should still fall within the scope of the technical content disclosed by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the utility model without substantial change of the technical content.

[0032] like Figures 1 to 7As shown, a high-power switch of a preferred embodiment is shown, which includes: a base 1, a static contact terminal frame 6, a static contact assembly 5, a moving contact terminal frame 8, a moving contact assembly 7, a balance block 2, a handle 4, and a spring 3.

[0033] A guide bar 101 is provided on the base 1, and the balancing block 2 is slidably installed on the guide bar 101; one end of the spring 3 is provided on the base 1, and the other end of the spring 3 is against the balancing block 2; the handle 4 is installed on the upper end of the balancing block 2, and the cam structure of the handle 4 can press the balancing block 2; the static contact component 5 is installed on the base 1 through the static contact terminal frame 6; the moving contact component 7 is installed on the base 1 through the moving contact terminal frame 8, and the balancing block 2 can press the moving contact component 7 to connect the moving contact component 7 with the static contact component 5.

[0034] In actual use, by turning the handle 4, the cam structure on the handle 4 can press the balancing block 2, so that the balancing block 2 moves along the guide bar 101 toward the base 1, so that the balancing block 2 can press the dynamic contact component 7, so that the dynamic contact component 7 can be in contact and connected with the static contact component 5, and the switch is in a closed state. Turn the handle 4 again, and the cam structure on the handle 4 releases the balancing block 2. At this time, under the action of the elastic force of the spring 3, the balancing block 2 moves along the guide bar 101 in a direction away from the base 1, so that the dynamic contact component 7 can be separated from the static contact component 5, and the switch is in an open state. The dynamic contact component 7 in the present device is an integrated structure, and the balancing block 2 can be directly connected with the dynamic contact component 7. The switch structure is simpler and more stable, reducing the processing steps and avoiding abnormalities of the split dynamic contact component 7 during the processing.

[0035] The utility model also has the following implementation methods based on the above:

[0036] Furthermore, a high-power switch is provided, wherein two guide bars 101 are provided on the base 1, the two guide bars 101 are extended upward from the surface of the base 1, and two guide holes 201 are provided on the balancing block 2, and the balancing block 2 is slidably provided on the two guide bars 101 through the two guide holes 201. Specifically, the balancing block 2 is located between the two guide bars 101, and the balancing block 2 moves left and right along the direction of the guide bars 101 by pressing the handle 4.

[0037] Further, a high-power switch, wherein the moving contact assembly 7 comprises: an insertion end 701, a connection end 703, and a fixed end 702; the connection end 703 and the fixed end 702 are respectively arranged on both sides of the insertion end 701, the insertion end 701 extends into the base 1, the connection end 703 can be in contact with and communicate with the static contact assembly 5, and the fixed end 702 extends into the moving contact terminal frame 8. Specifically, the moving contact assembly 7 is made of the insertion end 701, the connection end 703 and the fixed end 702 in one piece, so that the balancing weight 2 can directly contact and communicate with the connection end 703 of the moving contact assembly 7.

[0038] Further, a high-power switch, wherein the connection end 703 is extended outward by bending twice from the insertion end 701. Specifically, the connection end 703 is formed by bending twice from the insertion end 701 toward the outside of the insertion end 701, so that the balancing block 2 can directly contact and communicate with the connection end 703.

[0039] Further, a high-power switch, wherein the fixed end 702 is extended outward from the middle of the insertion end 701. Specifically, the fixed end 702 faces away from the connection end 703, and the fixed end 702 extends into the movable contact terminal frame 8 and is fixed by screws.

[0040] Furthermore, a high-power switch further includes: a ground connection piece 9; the ground connection piece 9 is installed on the base 1 through a ground frame 10. Specifically, a ground connection piece 9 is connected to the base 1 to prevent contact accidents caused by the internal electricity of the switch.

[0041] Furthermore, a high-power switch, which further includes: terminal screws 13; the static contact terminal frame 6 is a frame structure that penetrates from top to bottom, the static contact assembly 5 is arranged in an "L" shape, the static contact assembly 5 extends into the interior of the static contact terminal frame 6, and the terminal screws 13 extend into the interior of the static contact terminal frame 6 through the side wall of the static contact terminal frame 6, and fix the static contact assembly 5 inside the static contact terminal frame 6. Specifically, the direction of the static contact terminal frame 6 toward the upper cover 11 is upward, and the direction toward the base 1 is downward. In this direction, the moving contact terminal frame 8 penetrates on both sides, and the ground wire frame 10 also penetrates from top to bottom, so that the static contact assembly 5 can extend into the static contact terminal frame 6 and be fixed by the terminal screws 13. The fixed end 701 of the moving contact assembly 7 can extend into the moving contact terminal frame 8 and be fixed by screws. The ground wire connecting piece 9 can extend into the ground wire frame 10 and be fixed by screws.

[0042] Furthermore, a high-power switch further includes: an upper cover assembly; the upper cover assembly is installed on the base 1, and one end of the handle 4 extends out of the upper cover assembly.

[0043] Further, a high-power switch, wherein the upper cover assembly comprises: an upper cover 11, an outer frame 12; the upper cover 11 and the outer frame 12 are both mounted on the base 1 through a snap-fit ​​structure, the outer frame 12 covers the upper cover 11, the upper cover 11 is provided with a through hole 1101, one end of the handle 4 extends out of the upper cover 11 through the through hole 1101, and the handle 4 is movably disposed at the through hole 1101. Specifically, the interior of the switch is protected by the upper cover 11 and the outer frame 12, and the handle 4 is rotatably disposed at the through hole 1101.

[0044] Furthermore, a high-power switch further includes: a wire pressing piece 14; the wire pressing piece 14 is installed on the base 1, and the outer frame 12 covers the wire pressing piece 14. Specifically, the wire can extend into the interior of the switch through the wire pressing piece 14.

[0045] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-power switch, characterized in that: include: Base, static contact terminal frame, static contact assembly, moving contact terminal frame, moving contact assembly, balance block, handle, spring; The base is provided with a guide bar, and the balancing block is slidably mounted on the guide bar; One end of the spring is arranged on the base, and the other end of the spring abuts against the balance block; The handle is mounted on the upper end of the balancing block, and the cam structure of the handle can press the balancing block; The stationary contact assembly is mounted on the base through the stationary contact terminal frame; The moving contact assembly is installed on the base through the moving contact terminal frame, and the balancing block can press the moving contact assembly to connect the moving contact assembly with the stationary contact assembly.

2. A high-power switch according to claim 1, characterized in that: The base is provided with two guide bars, which are extended upward from the surface of the base. The balance block is provided with two guide holes, and the balance block is slidably arranged on the two guide bars through the two guide holes.

3. A high-power switch according to claim 1, characterized in that: The moving contact component includes: an insertion end, a connecting end, and a fixed end; the connecting end and the fixed end are respectively arranged on both sides of the insertion end, the insertion end extends into the base, the connecting end can be in contact and communication with the static contact component, and the fixed end extends into the moving contact terminal frame.

4. A high-power switch according to claim 3, characterized in that: The connecting end is extended outward from the inserting end through two bends.

5. A high-power switch according to claim 3, characterized in that: The fixing end is extended outward from the middle part of the insertion end.

6. A high-power switch according to claim 1, characterized in that: Also includes: Ground wire connecting plate; the ground wire connecting plate is installed on the base through a ground wire frame.

7. A high-power switch according to claim 1, characterized in that: Also includes: Terminal screw; the static contact terminal frame is a frame structure that penetrates from top to bottom, the static contact component is arranged in an "L" shape, the static contact component extends into the interior of the static contact terminal frame, the terminal screw extends into the interior of the static contact terminal frame through the side wall of the static contact terminal frame, and fixes the static contact component into the interior of the static contact terminal frame.

8. A high-power switch according to claim 1, characterized in that: Also includes: An upper cover assembly; the upper cover assembly is installed on the base, and one end of the handle extends out of the upper cover assembly.

9. A high-power switch according to claim 8, characterized in that: The upper cover assembly comprises: An upper cover and an outer frame; the upper cover and the outer frame are both installed on the base through a snap-fit ​​structure, the outer frame is covered on the upper cover, the upper cover is provided with a through hole, one end of the handle extends out of the upper cover through the through hole, and the handle is movably arranged in the through hole.

10. A high-power switch according to claim 9, characterized in that: Also includes: Pressing piece; The wire pressing piece is installed on the base, and the outer frame covers the wire pressing piece.

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