Testing device for circuit breaker

Abstract

The invention discloses a testing device for a circuit breaker, and the device comprises a circuit breaker main body, and one side of the circuit breaker main body is provided with a testing button. The rotating handle is mounted on one side of the circuit breaker main body, and the rotating handle covers the outer side of the test button; one end of the transmission part movably abuts against the test button, and the other end of the transmission part movably penetrates through the rotating handle. Through the application of the invention, the invention provides a testing device which is convenient for a client to carry out a tripping test on a circuit breaker with a rotating handle, and the client can easily trigger a testing button on a circuit breaker main body by pressing a transmission piece from the outer side; the device is simple in structure, convenient to operate and easy to mount and dismount.

Description

Technical Field

[0001] The present invention relates to the technical field of circuit breakers, and in particular to a testing device for circuit breakers. Background Art

[0002] At present, for the tripping function test of the circuit breaker, a test button for easy operation is often set on the circuit breaker, such as the existing Chinese authorization 202122400638.2, which discloses a circuit breaker that triggers the tripping action of the operating mechanism inside the circuit breaker through a linearly movable test button.

[0003] And with the further development of circuit breaker technology, for molded case circuit breakers, in order to facilitate users' safe operation, such as the existing Chinese authorized invention patent 201010188624.2, it discloses a technical solution of adding an additional rotating handle to the molded case circuit breaker, so that the user can trigger the operating handle with a straight motion trajectory on the circuit breaker by rotating the rotating handle.

[0004] However, such molded case circuit breaker products often have the rotary handle installed directly after factory testing. After the circuit breaker product is sent to the customer, it is often difficult for the customer to test the protection performance of the circuit breaker again. The customer has to remove the handle before triggering the test button, which is very inconvenient. Summary of the invention

[0005] In view of this, in order to solve the above problems, the object of the present invention is to provide a circuit breaker testing device, comprising:

[0006] A circuit breaker body, wherein a test button is provided on one side of the circuit breaker body;

[0007] A rotating handle, the rotating handle is installed on one side of the circuit breaker body, and the rotating handle covers the outer side of the test button;

[0008] A transmission member, one end of which is movably abutted against the test button, and the other end of which is movably disposed through the rotating handle.

[0009] In another preferred embodiment, a guide hole is formed through the rotating handle, and the other end of the transmission member is disposed through the guide hole.

[0010] In another preferred embodiment, the rotary handle comprises: a mounting seat and a handle member, the handle member is rotatably mounted on the mounting seat, the handle member is transmission-connected to the operating handle of the circuit breaker body, and the mounting seat is connected to the circuit breaker body.

[0011] In another preferred embodiment, the guide hole is opened through the mounting seat.

[0012] In another preferred embodiment, a limiting wall is disposed on the inner side of the mounting seat, and the limiting wall is disposed around the transmission member.

[0013] In another preferred embodiment, at least one notch is formed on the limiting wall, and the transmission member has at least one first protrusion, which extends radially outward relative to the transmission member and is movably disposed to abut against the notch.

[0014] In another preferred embodiment, part of the limiting wall is protruding outward, a groove is formed on the inner side of the protruding part of the limiting wall, the transmission member has at least one second protrusion, the second protrusion extends radially outward relative to the transmission member, and the second protrusion is movably disposed in the groove.

[0015] In another preferred embodiment, it further comprises: an elastic member, wherein two ends of the elastic member are respectively connected to the transmission member and the inner side of the mounting seat.

[0016] In another preferred embodiment, a positioning hole is provided on the inner side of the mounting seat, a positioning groove is formed inwardly on the side of the transmission member away from the mounting seat, and two ends of the elastic member are respectively hooked in the positioning hole and the positioning groove.

[0017] In another preferred embodiment, the transmission member is provided in a rod structure.

[0018] Due to the adoption of the above technical solution, the present invention has the following positive effects compared with the prior art:

[0019] By applying the present invention, a test device is provided which is convenient for customers to perform a trip test on a circuit breaker with a rotating handle. Customers can easily trigger the test button on the circuit breaker body by pressing the transmission member from the outside. The present invention has a simple structure, is easy to operate, and is easy to install and disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an overall schematic diagram of a circuit breaker testing device of the present invention;

[0021] Figure 2 It is a schematic diagram of an explosion of a circuit breaker testing device of the present invention;

[0022] Figure 3 It is a schematic diagram of the inner side of a rotating handle of a circuit breaker testing device of the present invention;

[0023] Figure 4 The figure is a schematic diagram of a transmission component of a circuit breaker testing device of the present invention.

[0024] In the attached figure:

[0025] 1. Circuit breaker body; 2. Test button; 3. Rotating handle; 4. Transmission member; 5. Guide hole; 6. Mounting seat; 7. Handle member; 8. Operating handle; 9. Limiting wall; 10. Notch; 11. First protrusion; 12. Groove; 13. Second protrusion; 14. Elastic member; 15. Positioning hole; 16. Positioning groove; 17. Test mark; 18. Trigger end. DETAILED DESCRIPTION

[0026] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] In the description of the present invention, it is necessary to understand that the orientation or position relationship indicated by the terms such as "upper", "lower", "left", "right", "inside", "outside", "front", "back", "lateral" and "vertical" is based on the orientation or position relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention, rather than indicating or implying that the device or original referred to must have a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] It should be specially explained that the “horizontal” and “vertical” in the present invention are used to illustrate the approximate positional relationship, rather than a strict “horizontal plane” or “vertical plane”.

[0029] like Figures 1 to 4 As shown, a circuit breaker test device of a preferred embodiment is shown, comprising: a circuit breaker body 1, a test button 2 is provided on one side of the circuit breaker body 1; a rotary handle 3, the rotary handle 3 is installed on one side of the circuit breaker body 1, and the rotary handle 3 covers the outside of the test button 2; a transmission member 4, one end of the transmission member 4 is movably against the test button 2, and the other end of the transmission member 4 is movably arranged through the rotary handle 3. Further, the user can trigger the test button 2 on the covered circuit breaker body 1 by triggering the transmission member 4 exposed at the rotary handle 3, and the test button 2 is used to test the tripping function of the circuit breaker body 1.

[0030] Further, as a preferred embodiment, a guide hole 5 is formed through the rotating handle 3, and the other end of the transmission member 4 is arranged through the guide hole 5. Further, the guide hole 5 is used to guide the movement of the transmission member 4 close to or away from the test button 2.

[0031] Further, as a preferred embodiment, the rotary handle 3 includes: a mounting base 6 and a handle member 7, the handle member 7 is rotatably mounted on the mounting base 6, the handle member 7 is transmission-connected to the operating handle 8 of the circuit breaker body 1, and the mounting base 6 is connected to the circuit breaker body 1.

[0032] Furthermore, as a preferred embodiment, a corresponding transmission structure may be provided on the inner side of the handle member 7 to realize the transmission of the operating handle 8 of the circuit breaker.

[0033] Furthermore, as a preferred embodiment, the mounting seat 6 is a shell structure, and a rotating opening for mounting the handle member 7 is provided on the shell structure.

[0034] Further, as a preferred embodiment, the guide hole 5 is opened through the mounting seat 6 .

[0035] Further, as a preferred embodiment, a limiting wall 9 is provided on the inner side of the mounting seat 6 , and the limiting wall 9 is provided around the transmission member 4 .

[0036] Further, as a preferred embodiment, at least one notch 10 is formed on the limiting wall 9, and at least one first protrusion 11 is formed on the transmission member 4. The first protrusion 11 is radially extended outward relative to the transmission member 4, and the first protrusion 11 is movably disposed against the notch 10. Further, a contact surface is formed near the inner bottom of the notch 10 near the mounting seat 6, and the first protrusion 11 can stop at a corresponding position after contacting the contact surface, thereby preventing the transmission member 4 from excessive movement.

[0037] Further, as a preferred embodiment, the notch 10 is formed by an end of the limiting surrounding wall 9 away from the mounting seat 6 being concave inwardly toward the mounting seat 6 .

[0038] Furthermore, as a preferred embodiment, two opposite notches 10 are provided on the limiting surrounding wall 9, and a first protrusion 11 is provided on both sides of the transmission member 4.

[0039] Further, as a preferred embodiment, part of the limiting wall 9 is protruded outward, and a groove 12 is formed inside the protruding part of the limiting wall 9, and the transmission member 4 has at least one second protrusion 13, which is radially extended outward relative to the transmission member 4, and the second protrusion 13 is movably arranged in the groove 12. Further, the groove 12 guides the sliding of the second protrusion 13 to prevent the transmission member 4 from rotating.

[0040] In a further embodiment of the present invention, the limiting surrounding wall 9 is extended relative to the inner wall of the mounting seat 6 in a direction close to the circuit breaker body 1 .

[0041] 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.

[0042] The present invention also has the following implementation modes on the basis of the above:

[0043] In a further embodiment of the present invention, it further comprises: an elastic member 14, the two ends of which are respectively connected to the transmission member 4 and the inner side of the mounting seat 6. Further, under the setting of the elastic member 14, the transmission member 4 can automatically reset after being pressed, and after the rotating handle 3 is independently disassembled, the transmission member 4 will not fall out of the mounting seat 6 due to the connection of the elastic member 14.

[0044] In a further embodiment of the present invention, the elastic member 14 is preferably a return spring.

[0045] In a further embodiment of the present invention, a positioning hole 15 is provided on the inner side of the mounting seat 6, a positioning groove 16 is formed inwardly on the side of the transmission member 4 away from the mounting seat 6, and two ends of the elastic member 14 are hooked in the positioning hole 15 and the positioning groove 16 respectively.

[0046] In a further embodiment of the present invention, the positioning groove 16 is disposed on a side of the first protrusion 11 away from the mounting seat 6 .

[0047] In a further embodiment of the present invention, the transmission member 4 is provided in a rod structure.

[0048] In a further embodiment of the present invention, a trigger end 18 is formed at one end of the transmission member 4 close to the circuit breaker body 1 , and the trigger end 18 is used to contact the test button 2 .

[0049] In a further embodiment of the present invention, the trigger end 18 is eccentrically arranged with respect to the rod-shaped main body of the transmission member 4, that is, the axis of the trigger end 18 of the transmission member 4 and the axis of the portion of the transmission member 4 extending into the guide hole 5 are staggered and arranged in parallel.

[0050] In a further embodiment of the present invention, a test mark 17 is disposed on the outer side of the mounting seat 6 , and the test mark 17 is disposed close to the guide hole 5 .

[0051] 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 circuit breaker test device, characterized in that: include: A circuit breaker body, wherein a test button is provided on one side of the circuit breaker body; A rotating handle, the rotating handle is installed on one side of the circuit breaker body, and the rotating handle covers the outer side of the test button; A transmission member, one end of which is movably abutted against the test button, and the other end of which is movably disposed through the rotating handle.

2. The circuit breaker test device according to claim 1, characterized in that: A guide hole is formed through the rotating handle, and the other end of the transmission member is arranged through the guide hole.

3. The circuit breaker test device according to claim 2, characterized in that: The rotary handle comprises: a mounting seat and a handle member, the handle member is rotatably mounted on the mounting seat, the handle member is transmission-connected to the operating handle of the circuit breaker body, and the mounting seat is connected to the circuit breaker body.

4. The circuit breaker test device according to claim 3, characterized in that: The guide hole is formed through the mounting seat.

5. The circuit breaker test device according to claim 4, characterized in that: A limiting wall is arranged on the inner side of the mounting seat, and the limiting wall is arranged around the transmission member.

6. The circuit breaker test device according to claim 5, characterized in that: The limiting surrounding wall is provided with at least one notch, the transmission member is provided with at least one first protrusion, the first protrusion is radially extended outward relative to the transmission member, and the first protrusion is movably disposed to abut against the notch.

7. The circuit breaker test device according to claim 5, characterized in that: The portion of the limiting wall protrudes outward, and a groove is formed on the inner side of the portion of the limiting wall protruding outward. The transmission member has at least one second protrusion, which extends radially outward relative to the transmission member, and the second protrusion is movably arranged in the groove.

8. The circuit breaker test device according to claim 3, characterized in that: Also includes: An elastic member, two ends of which are respectively connected to the transmission member and the inner side of the mounting seat.

9. The circuit breaker test device according to claim 8, characterized in that: A positioning hole is arranged on the inner side of the mounting seat, a positioning groove is formed inwardly on the side of the transmission member away from the mounting seat, and two ends of the elastic member are hooked in the positioning hole and the positioning groove respectively.

10. The circuit breaker test device according to claim 1, characterized in that: The transmission member is arranged in a rod structure.

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