Operating mechanism connecting rod for circuit breaker

Abstract

The operating mechanism connecting rod comprises a left side plate and a right side plate, the left side plate and the right side plate are symmetrically arranged, connecting shafts are connected between the upper part and the lower part between the inner walls of the left side plate and the right side plate, and reinforcing plates are fixedly connected to the rear ends of the outer walls of the left side plate and the right side plate. According to the structural design, the left side plate and the right side plate can be connected by arranging the reinforcing plate, the square bosses are additionally arranged on the left side plate and the right side plate, the reinforcing plate is provided with the two clamping grooves which are matched with the reinforcing plate, riveting is carried out after assembling, and the mechanism connecting rod becomes a complete whole after firm riveting. Therefore, the defects of distortion and infirmness between the two parts are effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breakers, in particular to an operating mechanism connecting rod for a circuit breaker. Background Technique

[0002] A circuit breaker refers to a switching device that can close, carry, and interrupt the current under normal circuit conditions and can close, carry, and interrupt the current under abnormal circuit conditions within a specified time. Circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their application scope. The boundary between high and low voltages is relatively blurred, and generally, electrical appliances above 3 kV are called high-voltage electrical appliances.

[0003] However, for the operating mechanism connecting rod on the existing circuit breakers in the market, during mechanical operation, due to damage to the mechanical life, such as Figure 1 As described in, the connecting rod of the mechanism has multiple rivets, and there is a risk that the connecting rod of the mechanism is not twisted firmly enough and may deform when subjected to large forces. If deformed, the operating performance of this mechanism cannot be fully guaranteed. Summary of the Invention

[0004] The purpose of the utility model is to provide an operating mechanism connecting rod for a circuit breaker to solve the problem that the operating mechanism connecting rod on the existing circuit breakers in the market, during mechanical operation, due to damage to the mechanical life, such as Figure 1 As described in, the connecting rod of the mechanism has multiple rivets, and there is a risk that the connecting rod of the mechanism is not twisted firmly enough and may deform when subjected to large forces. If deformed, the operating performance of this mechanism cannot be fully guaranteed.

[0005] To achieve the above purpose, the utility model provides the following technical solution: An operating mechanism connecting rod for a circuit breaker, including a left side plate and a right side plate, the left side plate and the right side plate are symmetrically arranged, and connecting shafts are connected above and below between the inner walls of the left side plate and the right side plate, and a reinforcing plate is fixedly connected to the rear ends of the outer walls of the left side plate and the right side plate.

[0006] Preferably, square convex blocks are fixedly connected to the rear end faces of the left side plate and the right side plate.

[0007] Preferably, clamping grooves are provided on both sides of the surface of the reinforcing plate at positions opposite to the square convex blocks, and the square convex blocks are clamped in the clamping grooves.

[0008] Preferably, the clamping grooves are adapted to the square convex blocks.

[0009] Preferably, an avoidance opening is provided at the middle position of the bottom of the reinforcing plate.

[0010] Advantageous Effects

[0011] Compared with the existing technology, the advantageous effects of the utility model are as follows:

[0012] Combined with the structural design of the present utility model, by providing a reinforcement plate, the left plate and the right plate can be connected. Square bosses are added to both the left plate and the right plate. The reinforcement plate is designed with two card slots to cooperate with them. After assembly, riveting is carried out. After firm riveting, the mechanism connecting rod becomes a complete whole, thus effectively improving the defects of torsion and instability between them. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure mentioned in the background art of the present utility model;

[0014] Figure 2 It is a schematic diagram of the overall structure of the present utility model.

[0015] 1. Left plate; 2. Right plate; 3. Connecting shaft; 4. Reinforcement plate; 5. Card slot; 6. Square convex block; 7. Avoidance opening; DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] The technical solutions of the present utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0017] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", "vertical", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0018] As Figure 2 It is a schematic diagram of the structure of the operating mechanism connecting rod for a circuit breaker in a preferred embodiment of the present utility model. In this embodiment, an operating mechanism connecting rod for a circuit breaker includes a left plate 1 and a right plate 2. The left plate 1 and the right plate 2 are symmetrically arranged. Connecting shafts 3 are connected between the inner walls of the left plate 1 and the right plate 2 both above and below. A reinforcement plate 4 is fixedly connected to the rear ends of the outer walls of the left plate 1 and the right plate 2.

[0019] In this embodiment, square bumps 6 are fixedly connected to the rear end faces of both the left side plate 1 and the right side plate 2. On both sides of the surface of the reinforcement plate 4, clamping grooves 5 are provided at positions opposite to the square bumps 6, and the square bumps 6 are clamped in the clamping grooves 5, and the clamping grooves 5 are adapted to the square bumps 6. Specifically, by setting the reinforcement plate 4, the left side plate 1 and the right side plate 2 can be connected. Square bosses 6 are added to both the left side plate 1 and the right side plate 2. Two clamping grooves 5 are designed on the reinforcement plate 4 to cooperate with them. After assembly, riveting is carried out. After the riveting is firm, the mechanism connecting rod becomes a complete whole, thereby effectively improving the defects of twisting and looseness between them.

[0020] In this embodiment, an avoidance opening 7 is provided at the middle position of the bottom of the reinforcement plate 4. This structural design has an avoidance effect.

[0021] The above content is a further detailed description of the present invention in combination with specific embodiments. It cannot be determined that the specific implementation of the present invention is only limited to these descriptions. For those of ordinary skill in the technical field to which the present invention belongs, without departing from the concept of the present invention, several simple deductions or substitutions can still be made, which should all be regarded as belonging to the protection scope determined by the claims submitted for the present invention.

Claims

1. An operating mechanism connecting rod for a circuit breaker, comprising a left side plate (1) and a right side plate (2), characterized in that: The left side plate (1) and the right side plate (2) are symmetrically arranged. Connecting shafts (3) are connected between the inner walls of the left side plate (1) and the right side plate (2) both above and below. A reinforcing plate (4) is fixedly connected to the rear ends of the outer walls of the left side plate (1) and the right side plate (2).

2. The link of the operating mechanism for a circuit breaker according to claim 1, characterized in that: Square convex blocks (6) are fixedly connected to the rear end faces of both the left side plate (1) and the right side plate (2).

3. The link of the operating mechanism for a circuit breaker according to claim 1, characterized in that: Card slots (5) are formed on both sides of the surface of the reinforcing plate (4) at positions opposite to the square convex blocks (6), and the square convex blocks (6) are clamped in the card slots (5).

4. The operating mechanism link for a circuit breaker according to claim 3, characterized in that: The card slots (5) are adapted to the square convex blocks (6).

5. The operating mechanism connecting rod for a circuit breaker according to claim 3, characterized in that: An avoidance opening (7) is formed at the middle position of the bottom of the reinforcing plate (4).

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