Plug-in circuit breaker

Abstract

The utility model provides a plug-in circuit breaker. The plug-in circuit breaker comprises a shell, a handle, a handle, a connecting rod, a movable block and a V-shaped block, the handle is rotationally mounted on the shell; the V-shaped block is rotationally mounted on the shell on the right side of the handle, and the V-shaped block is connected with the handle through a connecting rod; the movable block is movably mounted on the shell between the handle and the V-shaped block; the top of the movable block is provided with an arc protrusion extending out of the upper surface of the shell. An inclined plane II is arranged at one end of the movable block close to the V-shaped block; an inclined plane I is arranged in the middle of the movable block; the handle is movably installed on the shell, one end of the handle extends out of the left side of the shell, and the other end is provided with a third slope matched with the first slope. According to the structure of the utility model, through cooperation of all mechanisms in the housing, a condition that the circuit breaker is mistakenly switched on under the condition that the circuit breaker is not inserted into a machine body in place is avoided, a condition that the circuit breaker is mistakenly pulled out after being inserted and switched on is avoided, and use safety of personnel and machine body safety are guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of circuit breakers, and in particular relates to a plug-in circuit breaker. Background Art

[0002] With the rapid development of my country's power and communication technology, especially the application of 5G network technology, higher and higher requirements are put forward for the practicality, safety and reliability of terminal electrical equipment such as circuit breakers. Traditional circuit breakers are far from meeting these requirements. In the continuous research and development, my country's circuit breakers have not only reached a new level in miniaturization, intelligence, reliability, etc., but also many new designs have appeared in the structure, such as being able to be plugged in and out and used as conveniently as ordinary electrical plugs, and the circuit breaker can be easily loaded into or removed from the circuit, and can be locked in a stable working state at the installation position. At the same time, the wiring direction of this circuit breaker and the wiring direction of the external wire are in the same plane. This is the plug-in circuit breaker, which can not only provide various safety protection measures for power lines, but also occupy a small space and can provide various intelligent use requirements; 1. The existing plug-in circuit breaker may cause damage to the device when the body is not inserted in place; 2. After the plug-in circuit breaker is inserted and closed, it may be accidentally pulled out, which may cause personal injury and damage to the device. Utility Model Content

[0003] In view of the above problems, the purpose of the utility model is to provide a plug-in circuit breaker which can prevent the circuit breaker from being mistakenly closed when the circuit breaker is not inserted into place and can prevent the circuit breaker from being mistakenly pulled out after being inserted and closed.

[0004] The utility model is realized by the following technical solutions:

[0005] A plug-in circuit breaker comprises a shell, a handle, a grip, a connecting rod, a movable block and a V-shaped block; the shell is a conventional circuit breaker shell, and a plurality of protrusions and grooves are arranged inside the shell for installing various components; the handle is rotatably mounted on the shell; the V-shaped block is rotatably mounted on the shell on the right side of the handle, and the V-shaped block and the handle are connected by a connecting rod; the rear end of the V-shaped block is connected to a conventional circuit breaker closing mechanism; the movable block is movably mounted on the shell between the handle and the V-shaped block; a circular arc protrusion extending out of the upper surface of the shell is arranged on the top of the movable block; a second inclined plane is arranged at one end of the movable block close to the V-shaped block; a first inclined plane is arranged in the middle of the movable block; a second spring for resetting the movable block is arranged on the movable block; the handle is movably mounted on the shell, and one end extends out of the left side of the shell, and the other end is provided with a third inclined plane cooperating with the first inclined plane; a first spring for resetting the handle is arranged on the handle; a groove is arranged on the rear side of the movable block for installing the second spring. The rear side of the handle is provided with a groove for installing a spring. Both the spring one and the spring two are soft springs. The handle can slide left and right along the slide groove in the shell. The movable block can slide up and down along the slide groove in the shell.

[0006] Beneficial effects of the utility model:

[0007] The structure of the utility model avoids the situation that the circuit breaker is mistakenly closed when it is not inserted into the body, and avoids the situation that the circuit breaker is mistakenly pulled out after being inserted and closed, thereby ensuring the safety of personnel and the body. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0009] Figure 1 It is a structural schematic diagram of the utility model.

[0010] Figure 2 It is the front view of the utility model.

[0011] Figure 3 It is a rear view of the utility model.

[0012] Figure 4 This is a state diagram of the utility model when it is normally inserted into the machine body.

[0013] Figure 5 This is a state diagram of the utility model not being fully inserted into the machine body.

[0014] Figure 6 It is a state diagram of the utility model when the switch is closed.

[0015] As shown in the figure: 1-shell; 2-handle; 3-handle; 31-spring one; 32-inclined surface three; 4-connecting rod; 5-movable block; 51-spring two; 52-inclined surface one; 53-inclined surface two; 54-arc protrusion; 6-V-shaped block;. DETAILED DESCRIPTION

[0016] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0017] It should be noted that the structures, proportions, sizes, etc. drawn 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 proportional relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the utility model, 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 so on 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.

[0018] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. It should be noted that the terms "include", "comprise" or any other variants are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also includes other elements that are not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0019] like Figure 1-Figure 3 The plug-in circuit breaker shown comprises: a housing 1, a handle 2, a grip 3, a spring 1 31, a connecting rod 4, a movable block 5, a spring 2 51, and a V-shaped block 6.

[0020] The housing 1 is a conventional circuit breaker housing, and a number of protrusions, grooves, and slide grooves are arranged inside the housing for installing various components, and can cooperate with various components.

[0021] The handle 2 is rotatably mounted on the housing 1, and one end of the handle extends out of the housing 1;

[0022] The V-block 6 is rotatably mounted on the housing 1 on the right side of the handle 2, and the V-block 6 is connected to the handle 2 via a connecting rod 4. The rotation of the handle 2 can drive the V-block 6 to rotate via the connecting rod 4, providing power for the rotation of the V-block 6; the right end of the V-block 6 is connected to a conventional circuit breaker closing mechanism.

[0023] The two ends of the connecting rod 4 are rotatably mounted on the handle 2 and one end of the V-shaped block 6 respectively.

[0024] The movable block 5 is movably mounted on the housing 1 between the handle 2 and the V-block 6. The movable block 5 can slide up and down along the slide groove in the housing 1. A circular arc protrusion 54 extending out of the upper surface of the housing 1 is arranged on the top of the movable block 5, which is used to cooperate with the groove of the body or chassis and be stuck in the body or chassis when the circuit breaker is inserted into the body or chassis; a second inclined surface 53 is arranged at one end of the movable block 5 close to the V-block 6, which is used to interfere with the top of the V-block 6 in the closed state to avoid accidental pulling out of the circuit breaker in the closed state; a first inclined surface 52 is arranged in the middle of the movable block 5; a second spring 51 for resetting the movable block 5 is arranged on the movable block 5. In order to reasonably arrange the layout of the circuit breaker components, a groove is arranged on the rear side of the movable block 5 for installing the second spring 51.

[0025] The handle 3 is movably mounted on the housing 1, and can slide left and right along the slide groove in the housing 1, with one end of the handle 3 extending out of the left side of the housing 1, and the other end is provided with a slope 32 cooperating with the slope 1 52, so that when the handle 3 is pulled, the movable block 5 can be driven to move downward, so that the circuit breaker can be pulled out of the body or chassis; a spring 31 for resetting the handle 3 is provided on the handle 3; in order to reasonably arrange the layout of the circuit breaker components, a groove is provided on the rear side of the handle 3 for installing the spring 31.

[0026] The spring 1 31 and the spring 2 51 are both soft springs.

[0027] Working principle:

[0028] like Figure 4 The figure shows the state of the circuit breaker when it is inserted into the body or chassis in a normal state. At this time, due to the action of the spring 2 51, the movable block 5 is pushed upward and cooperates with the groove corresponding to the body or chassis to jam the circuit breaker. At this time, the movable block 5 does not interfere with the V-shaped block 6, and the circuit breaker can be closed and opened normally.

[0029] like Figure 5The figure shows a state in which the circuit breaker is not inserted into the body or chassis in place. At this time, the circuit breaker is inserted to the bottom, the top of the movable block 5 does not reach the groove position corresponding to the body or chassis, and the movable block 5 is in a state of not fully extending out of the upper surface of the shell 1. The right side of the movable block 5 interferes with the V-shaped block 6, preventing the V-shaped block 6 from rotating to the left, that is, preventing the circuit breaker from closing, which can prevent the circuit breaker from closing by mistake when the circuit breaker is not inserted into the body or chassis in place.

[0030] like Figure 6 The figure shows a state diagram of the circuit breaker after being inserted into the body or chassis and closed. At this time, the V-shaped block 6 is located below the second inclined surface 53 on the movable block 5, interfering with the movable block 5. When the handle 3 is pulled to the left, the movable block 5 moves downward, and the second inclined surface 53 abuts against the V-shaped block 6, preventing the movable block 5 from moving downward, that is, preventing the circuit breaker from being pulled out of the body or chassis, which can prevent the circuit breaker from being accidentally pulled out in the closed state after being inserted into the body or chassis.

[0031] The protection scope of the present utility model is not limited to the technical solutions disclosed in the specific implementation methods. Any modifications, equivalent replacements, improvements, etc. made to the above embodiments based on the technical essence of the present utility model shall fall within the protection scope of the present utility model.

Claims

1. A plug-in circuit breaker, comprising a housing (1); the housing (1) is provided with a plurality of protrusions, grooves and slide grooves for mounting various components; characterized in that: The invention comprises a handle (2), a grip (3), a connecting rod (4), a movable block (5) and a V-shaped block (6); the handle (2) is rotatably mounted on the housing (1); the V-shaped block (6) is rotatably mounted on the housing (1) on the right side of the handle (2), and the V-shaped block (6) and the handle (2) are connected via the connecting rod (4); the movable block (5) is movably mounted on the housing (1) between the handle (2) and the V-shaped block (6); a circular arc convex protruding from the upper surface of the housing (1) is arranged on the top of the movable block (5) A second inclined surface (53) is provided at one end of the movable block (5) close to the V-shaped block (6); a first inclined surface (52) is provided in the middle of the movable block (5); a second spring (51) for resetting the movable block (5) is provided on the movable block (5); the handle (3) is movably mounted on the housing (1), with one end extending out of the left side of the housing (1), and the other end being provided with a third inclined surface (32) cooperating with the first inclined surface (52); and a first spring (31) for resetting the handle (3) is provided on the handle (3).

2. A plug-in circuit breaker according to claim 1, characterized in that The movable block (5) is provided with a groove at the rear side for mounting a second spring (51).

3. A plug-in circuit breaker according to claim 1, characterized in that The handle (3) is provided with a groove on the rear side for mounting a spring (31).

4. A plug-in circuit breaker according to claim 1, characterized in that : The spring 1 (31) and the spring 2 (51) are both soft springs.

5. A plug-in circuit breaker according to claim 1, characterized in that The handle (3) can slide left and right along the inner groove of the shell (1).

6. A plug-in circuit breaker according to claim 1, characterized in that The movable block (5) can slide up and down along the inner slide groove of the shell (1).

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