Novel electrical contact structure

Abstract

The utility model relates to the technical field of electrical contacts, and discloses a novel electrical contact structure, which comprises a static contact plate. The upper panel is arranged at the top of the static contact plate; the end cover and the moving contact are arranged above the upper panel; the disassembly and assembly mechanism is arranged between the upper panel and the static contact plate and comprises an insertion hole, an insertion column, a first groove, a clamping groove and a hook-shaped clamping rod, the first groove is formed in the side face of the static contact plate, the insertion hole is formed in the top of the static contact plate, the insertion column is fixedly connected to the bottom of the upper panel, and the hook-shaped clamping rod is fixedly connected to the bottom of the upper panel. The bottom of the hook-shaped clamping rod penetrates through the inserting hole and extends into the first groove, the inserting column is movably connected with the inserting hole, the clamping groove is formed in the inserting column, and one end of the hook-shaped clamping rod is inserted into the clamping groove. According to the utility model, by pressing the pressing block, the pressing block drives one end of the hook-shaped clamping rod to be separated from the clamping groove, so that the insertion column is unlimited, the static contact plate is disassembled by the upper panel, the operation is very convenient, the operation difficulty is low, and the working efficiency of workers during disassembly is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical contacts, in particular to a novel electrical contact structure. Background Art

[0002] Electrical contacts are the main conductive contact materials widely used in switching electrical appliances such as relays, contactors, load switches, medium and low voltage circuit breakers, household appliances, automotive appliances (horns, lights, ignition), etc. Switching electrical appliances are widely used to analyze / close the voltage / current in the circuit. Their reliability directly affects the reliable operation of the entire power system. Electrical contacts are one of the important components of switching electrical appliances, and contact products are the "heart" components of these products.

[0003] An electrical contact assembly with the publication number CN111009427A includes a stationary contact plate and a moving contact, wherein the stationary contact plate has a groove, and the moving contact has a columnar end, the end and the groove match, and the end has an end cover on the outside, and the end cover is fixed to the moving contact with a thread; the stationary contact plate has an upper panel, the groove is on the upper panel, and the upper panel is fixed to the stationary contact plate with screws, and the end cover and the upper panel are conductors, and there is conductive paste inside the end cover, and there is conductive paste below the upper panel, and the lower end surface of the end and the groove have a matching arc structure. Although the above patent has the advantage of reducing the cost of use, with respect to the above prior art, the applicant believes that it is very inconvenient to fix the upper panel to the stationary contact panel with screws in the above patent. In view of this, the existing structure is studied and improved to provide a new electrical contact structure, in order to achieve the purpose of having more practical value. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a novel electrical contact structure.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new type of electrical contact structure, including a static touch plate; an upper panel arranged on the top of the static touch plate; an end cover and a moving contact arranged above the upper panel; and a disassembly and assembly mechanism arranged between the upper panel and the static touch plate, the disassembly and assembly mechanism including a socket, a column, a groove one, a card slot and a hook-shaped card rod, the groove one is opened on the side of the static touch plate, the socket is opened on the top of the static touch plate, the column is fixedly connected to the bottom of the upper panel, and the bottom extends through the socket to the inside of the groove one, the column is movably connected to the socket, and the card slot is opened on the column, and one end of the hook-shaped card rod is inserted into the inside of the card slot.

[0006] Preferably, the other end of the hook-shaped card rod is fixedly connected with a pressing block, and a limiting rod is fixedly installed inside the groove one. The limiting rod passes through the hook-shaped card rod and is slidably connected with the hook-shaped card rod. The pressing block is provided to facilitate pressing the hook-shaped card rod.

[0007] Preferably, a spring 1 is sleeved on the outer wall of the limit rod, and two ends of the spring 1 are respectively fixedly connected to the inner wall of the groove 1 and the outer wall of the hook-shaped clamping rod, and the hook-shaped clamping rod can be reset by setting the spring 1.

[0008] Preferably, a round rod is movably connected to the limiting rod, a pushing plate is fixedly connected to the top of the round rod, a spring 2 is sleeved on the outer wall of the round rod, and the two ends of the spring 2 are respectively fixedly connected to the bottom of the pushing plate and the top of the limiting rod, the spring 2 is in a compressed state, and the pushing plate can be set to push the column under the action of the spring 2.

[0009] Preferably, an extrusion port is provided on the pressing block, a groove two is provided on the top of the inner wall of the groove one, a trapezoidal block is slidably connected inside the groove two, one end of a spring three is fixedly connected to the top of the trapezoidal block, and the other end of the spring three is fixedly connected to the top of the inner wall of the groove two, and the trapezoidal block can be driven to reset by setting the spring three.

[0010] Preferably, a sliding hole is opened on one side of the inner wall of the groove 2, and a shift plate is fixedly connected to the outer wall of the trapezoidal block, and the shift plate passes through the sliding hole and is slidably connected to the sliding hole. The trapezoidal block can be driven to move upward by setting the shift plate.

[0011] Compared with the prior art, the utility model provides a new electrical contact structure, which has the following features:

[0012] Beneficial effects:

[0013] 1. This novel electrical contact structure, by pressing the pressing block, the pressing block drives one end of the hook-shaped clamping rod to disengage from the clamping slot, so that the plug column is released from restriction, and the upper panel is disassembled from the static contact plate. It is very convenient, easy to operate, and improves the work efficiency of the staff during disassembly.

[0014] 2. A novel electrical contact structure, when removing the upper panel, press the pressing block so that the extrusion port squeezes the inclined surface of the trapezoidal block, and the trapezoidal block retracts into the second groove without blocking the movement of the pressing block. When the two are no longer squeezed, the trapezoidal block resets to block the pressing block from resetting, so that the hook-shaped card rod remains out of the slot, and the staff does not need to press it all the time. When installing the upper panel, insert the plug, and move the paddle to drive the trapezoidal block to move up, so that the pressing block resets, thereby driving one end of the hook-shaped card rod to insert into the slot, completing the installation of the upper panel and improving the convenience of disassembly and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a cross-sectional view of the utility model;

[0018] Figure 3 It is an enlarged view of A of the present utility model.

[0019] In the figure: 1. static contact plate; 2. upper panel; 3. end cover; 4. moving contact; 5. disassembly and assembly mechanism; 51. socket; 52. plug column; 53. groove one; 54. slot; 55. limit rod; 551. round rod; 552. push plate; 553. spring two; 56. spring one; 57. hook-shaped clamping rod; 58. pressing block; 581. extrusion port; 6. groove two; 7. spring three; 8. trapezoidal block; 9. sliding hole; 10. dial plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Example 1

[0022] like Figure 1-3 As shown, the utility model provides a novel electrical contact structure, including a stationary touch plate 1; an upper panel 2 arranged on the top of the stationary touch plate 1; an end cover 3 and a moving contact 4 arranged above the upper panel 2; and a disassembly mechanism 5 arranged between the upper panel 2 and the stationary touch plate 1, the disassembly mechanism 5 including a socket 51, a plug post 52, a groove 53, a card slot 54 and a hook-shaped card rod 57, the groove 53 is opened on the side of the stationary touch plate 1, the socket 51 is opened on the top of the stationary touch plate 1, the plug post 52 is fixedly connected to the bottom of the upper panel 2, and the bottom passes through the socket 51 and extends to the inside of the groove 53, the plug post 52 and the socket 51 is movably connected, and the slot 54 is provided on the plug post 52, one end of the hook-shaped card rod 57 is inserted into the inside of the slot 54, and the other end of the hook-shaped card rod 57 is fixedly connected with a pressing block 58, and a limiting rod 55 is fixedly installed inside the groove 1 53, and the limiting rod 55 passes through the hook-shaped card rod 57 and is slidably connected with the hook-shaped card rod 57. The pressing block 58 is provided to facilitate pressing the hook-shaped card rod 57, and the outer wall of the limiting rod 55 is sleeved with a spring 1 56, and the two ends of the spring 1 56 are respectively fixedly connected to the inner wall of the groove 1 53 and the outer wall of the hook-shaped card rod 57, and the hook-shaped card rod 57 can be driven to reset by providing the spring 1 55.

[0023] In this embodiment, a slot is opened on the top of the upper panel 2 to cooperate with the moving contact 4. The mechanism of how the moving contact 4 and the static contact plate 1 are connected is the existing technology and will not be elaborated on. By pressing the pressing block 58, the pressing block 58 drives one end of the hook-shaped clamping rod 57 to disengage from the clamping slot 54, so that the plug column 52 is released from the restriction, and the disassembly work of the upper panel 2 to the static contact plate 1 is completed. It is very convenient and has low operating difficulty, which improves the work efficiency of the staff during disassembly.

[0024] Example 2

[0025] like Figure 1-3 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, a round rod 551 is movably connected to the limiting rod 55, and a push plate 552 is fixedly connected to the top of the round rod 551. A spring 553 is sleeved on the outer wall of the round rod 551, and the two ends of the spring 553 are respectively fixedly connected to the bottom of the push plate 552 and the top of the limiting rod 55. The spring 553 is in a compressed state. By setting the push plate 552, the plug column 52 can be pushed under the action of the spring 553.

[0026] In this embodiment, after pressing the pressing block 58, the spring 2 553 returns to its original position and drives the push plate 552 to move upward. The push plate 552 pushes the plug post 52 to make a part of the upper panel 2 pop up, thereby facilitating the separation of the upper panel 2.

[0027] Example 3

[0028] like Figure 1-3 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, an extrusion port 581 is provided on the pressing block 58, a groove 2 6 is provided on the top of the inner wall of the groove 1 53, a trapezoidal block 8 is slidably connected inside the groove 2 6, one end of a spring 3 7 is fixedly connected to the top of the trapezoidal block 8, and the other end of the spring 3 7 is fixedly connected to the top of the inner wall of the groove 2 6, and the trapezoidal block 8 can be driven to reset by setting the spring 3 7, a sliding hole 9 is provided on one side of the inner wall of the groove 2 6, a dial plate 10 is fixedly connected to the outer wall of the trapezoidal block 8, and the dial plate 10 passes through the sliding hole 9 and is slidably connected to the sliding hole 9, and the trapezoidal block 8 can be driven to move upward by setting the dial plate 10.

[0029] In this embodiment, when removing the upper panel 2, the pressing block 58 is pressed so that the extrusion port 581 squeezes the inclined surface of the trapezoidal block 8, and the trapezoidal block 8 is retracted into the groove 26 without blocking the movement of the pressing block 58. When the two are no longer squeezed, the trapezoidal block 8 is reset to block the pressing block 58 from resetting, so that the hook-shaped card rod 57 remains out of the slot 54, and the staff does not need to press it all the time. When installing the upper panel 2, the plug 52 is inserted, and the paddle 10 is moved to drive the trapezoidal block 8 to move upward, so that the pressing block 58 is reset, thereby driving one end of the hook-shaped card rod 57 to insert into the slot 54, completing the installation of the upper panel 2 and improving the convenience of disassembly and assembly.

[0030] The working principle of this new type of electrical contact structure is described in detail below.

[0031] like Figure 1-3 As shown, when in use, by pressing the pressing block 58, the pressing block 58 drives one end of the hook-shaped card rod 57 to disengage from the card slot 54, so that the plug column 52 is released from the restriction, and the disassembly work of the upper panel 2 to the static touch plate 1 is completed, which is very convenient and has low operation difficulty, thereby improving the work efficiency of the staff during disassembly; after pressing the pressing block 58, the spring 2 553 is restored to drive the push plate 552 to move upward, and the push plate 552 pushes the plug column 52 to make the upper panel 2 bounce up, thereby facilitating the separation of the upper panel 2; when disassembling the upper panel 2, the pressing block 58 makes the extrusion opening 581 squeeze the inclined surface of the trapezoidal block 8, and the trapezoidal block 8 retracts into the groove 2 6 without blocking the movement of the pressing block 58. When the two are no longer squeezed, the trapezoidal block 8 is reset to block the pressing block 58 from resetting, so that the hook-shaped card rod 57 remains out of the slot 54, and the staff does not need to press it all the time. When installing the upper panel 2, the plug 52 is inserted, and the paddle 10 is moved to drive the trapezoidal block 8 to move up, so that the pressing block 58 is reset, thereby driving one end of the hook-shaped card rod 57 to insert into the slot 54, completing the installation of the upper panel 2 and improving the convenience of disassembly and assembly.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A novel electrical contact structure, comprising a stationary contact plate (1); an upper panel (2) arranged on the top of the stationary contact plate (1); an end cover (3) and a moving contact (4) arranged above the upper panel (2); and a disassembly mechanism (5) arranged between the upper panel (2) and the stationary contact plate (1), characterized in that: The disassembly and assembly mechanism (5) comprises a socket (51), a plug post (52), a groove one (53), a slot (54) and a hook-shaped card rod (57); the groove one (53) is provided on the side of the stationary touch plate (1); the socket (51) is provided on the top of the stationary touch plate (1); the plug post (52) is fixedly connected to the bottom of the upper panel (2), and the bottom extends through the socket (51) to the inside of the groove one (53); the plug post (52) is movably connected to the socket (51), and the slot (54) is provided on the plug post (52); one end of the hook-shaped card rod (57) is plugged into the inside of the slot (54).

2. A novel electrical contact structure according to claim 1, characterized in that: The other end of the hook-shaped clamping rod (57) is fixedly connected with a pressing block (58), and a limiting rod (55) is fixedly installed inside the groove 1 (53), and the limiting rod (55) passes through the hook-shaped clamping rod (57) and is slidably connected with the hook-shaped clamping rod (57).

3. A novel electrical contact structure according to claim 2, characterized in that: The outer wall of the limiting rod (55) is sleeved with a spring 1 (56), and the two ends of the spring 1 (56) are respectively fixedly connected to the inner wall of the groove 1 (53) and the outer wall of the hook-shaped clamping rod (57).

4. A novel electrical contact structure according to claim 3, characterized in that: The limiting rod (55) is movably connected to a round rod (551), the top of the round rod (551) is fixedly connected to a push plate (552), the outer wall of the round rod (551) is sleeved with a second spring (553), and the two ends of the second spring (553) are respectively fixedly connected to the bottom of the push plate (552) and the top of the limiting rod (55), and the second spring (553) is in a compressed state.

5. A novel electrical contact structure according to claim 2, characterized in that: The pressing block (58) is provided with an extrusion opening (581), the inner wall top of the groove one (53) is provided with a groove two (6), the interior of the groove two (6) is slidably connected with a trapezoidal block (8), the top of the trapezoidal block (8) is fixedly connected with one end of a spring three (7), and the other end of the spring three (7) is fixedly connected to the inner wall top of the groove two (6).

6. A novel electrical contact structure according to claim 5, characterized in that: A sliding hole (9) is provided on one side of the inner wall of the second groove (6), and a shift plate (10) is fixedly connected to the outer wall of the trapezoidal block (8), and the shift plate (10) passes through the sliding hole (9) and is slidably connected to the sliding hole (9).

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