Anti-misoperation test button structure of circuit breaker

Abstract

The utility model discloses an anti-misoperation test button structure of a circuit breaker. The circuit breaker mainly solves the problem that a test button of an existing circuit breaker is easy to press mistakenly. The device is characterized by further comprising a limiting part (11) which is arranged in the shell; the limiting plate (4) is rotatably mounted in the shell and comprises a first position which is in limiting fit with the limiting part when the handle is in the opening position and blocks the button so that the button cannot be pressed down; when the handle is located at the closing position, the second position is staggered from the limiting part, and the button can be pressed down; and the elastic piece (5) is used for driving the limiting plate to be at the first position. The utility model provides an anti-misoperation test button structure of a circuit breaker, which can prevent misoperation and further has an anti-hand-hitting function.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of switch electric appliances, concretely relates to anti -misoperation test button structure of circuit breaker. BACKGROUND

[0002] The circuit breaker with residual current protection function requires to carry out leakage simulation test operation to the circuit breaker every interval time, and the leakage simulation test operation is often completed through the leakage test circuit of the circuit breaker, and the leakage test circuit includes a leakage test button; under the closing state of the circuit breaker, the user presses the leakage test button to the test position, so that the leakage test circuit is turned on, and the circuit breaker can normally act to cut off the circuit, which indicates that the residual current action protection function is normal.

[0003] In the existing circuit breaker, the leakage test button and the handle are arranged side by side at one end of the circuit breaker, the leakage test button is located on one side of the opening position of the handle and is close to the handle, so that when the user operates the handle, the leakage test button may be pressed at the same time, causing the product to malfunction. UTILITY MODEL CONTENTS

[0004] In order to overcome the deficiencies of the background art, the utility model provides an anti-misoperation test button structure of circuit breaker, mainly solving the problem that the current circuit breaker is easy to press the test button by mistake.

[0005] The technical scheme of the utility model is,

[0006] The anti-misoperation test button structure of circuit breaker includes a shell, a button movably installed on the shell and a handle rotatably installed on the shell, and further includes

[0007] A limiting portion is arranged in the shell;

[0008] A limiting plate is rotatably installed in the shell, which includes a first position in which the handle is in the opening position, the limiting portion is limited and matched, and the button is blocked so that the button cannot be pressed down; and

[0009] When the handle is in the closing position, the limiting portion is staggered, and the button can be pressed down in the second position;

[0010] An elastic member is used to drive the limiting plate to the first position.

[0011] The limiting plate includes a plate body, the middle end of the plate body is hinged to the shell, one end of the plate body is provided with a lever, the other end is provided with a limiting rod, the lever is arranged opposite to the limiting portion, and the limiting rod is arranged opposite to the button.

[0012] The limiting portion is a boss arranged on the inner wall of the shell.

[0013] The handle comprises a rotating disc, and a first boss is arranged on the rotating disc.

[0014] The bottom of the plate body is provided with a connecting rod, and the elastic member is arranged opposite to the connecting rod.

[0015] The outer wall of the limiting rod is provided with a first inclined surface, the button is provided with a protrusion, and the protrusion is provided with a second inclined surface matched with the first inclined surface.

[0016] The elastic member is a torsion spring or a spring.

[0017] The button is provided with a limiting groove, when the button is pressed, the tail end of the limiting rod falls into the limiting groove, and the lever and the handle are limited to cooperate for preventing the handle from rotating.

[0018] The rotating disc is provided with a second boss, when the button is pressed, one end of the lever is in contact with the outer wall of the second boss, and the handle is prevented from rotating.

[0019] The utility model discloses a misoperation prevention test button structure of circuit breaker can prevent misoperation, further, and is equipped with the function of preventing beating. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the three-dimensional schematic view of the first embodiment of the utility model (when opening).

[0021] Figure 2 It is Figure 1 It is the enlarged schematic view of A in the middle.

[0022] Figure 3 It is the three-dimensional schematic view of the limiting piece of the first embodiment of the utility model.

[0023] Figure 4 It is the partial three-dimensional schematic view of the first embodiment of the utility model.

[0024] Figure 5 It is the partial three-dimensional schematic view of the first embodiment of the utility model (when closing).

[0025] Figure 6 It is the partial three-dimensional schematic view of the first embodiment of the utility model (when preventing beating). DETAILED DESCRIPTION

[0026] The utility model makes further illustration in combination with the drawings: the anti -misoperation test button structure of circuit breaker, including casing 1, the casing is equipped with the button 2 and rotatable installation handle 3 of movable installation, still including stop portion 11, be located in casing inner, stop plate 4, rotatable installation in casing, it includes when handle is in the first position of opening position and stop portion stop cooperation and block button make button cannot be pressed down, and when handle is in the second position of closing position, with stop portion stagger, button can be pressed down, elastic part 5, for drive stop plate is in the first position, stop portion is the structure such as boss or baffle arranged in casing, it is used for with stop piece cooperation makes it be in the first position, stop piece is in the first position and cooperates with button, button cannot be pressed down at this time, and when closing, handle will drive stop piece to rotate and make it be in the second position, so button can be pressed down, prevent opening time misoperation test button, elastic piece is used for resetting stop piece and makes it return to the first position.

[0027] In the embodiment, as shown in the figure, the stop plate includes a plate body 40, the middle end of the plate body is hinged to the casing, one end of the plate body is provided with a lever 41, and the other end is provided with a limiting rod 42, the lever is arranged opposite to the stop portion, and the limiting rod is arranged opposite to the button. The middle of the stop plate can be provided with a shaft hole, a rotating shaft is arranged on the casing, then one end of the stop plate is provided with a lever for being opposite to the handle, and the handle is rotated to drive the plate body to rotate and move away from the first position through the lever, the limiting rod is used for limiting cooperation with the button to prevent the button from being pressed down, specifically, when the button is pressed down, the plate body is pushed to rotate counterclockwise, and the plate body cannot rotate due to the blocking of the stop portion, so the button cannot be pressed down.

[0028] In the embodiment, as shown in the figure, the stop portion is a boss arranged on the inner wall of the casing. The structure is relatively simple.

[0029] In the embodiment, as shown in the figure, the handle includes a rotating disc 31, the rotating disc is provided with a first boss 311, and the first boss is arranged opposite to the lever. When the handle is rotated, the first boss drives the lever to rotate and then drives the stop plate to rotate.

[0030] In the embodiment, as shown in the figure, the plate body is provided with a connecting rod 43 at the bottom, and the elastic member is arranged opposite to the connecting rod. The elastic member can be a spring or a torsion spring, which is pressed on the top outer wall of the connecting rod to reset the stop plate.

[0031] In the embodiment, as shown in the figure, the outer wall of the limiting rod is provided with a first inclined surface 421, the button is provided with a protrusion 22, and the protrusion is provided with a second inclined surface matched with the first inclined surface. The second inclined surface on the button pushes the first inclined surface to make the limiting plate rotate counterclockwise.

[0032] In the embodiment, as shown in the figure, the elastic member is a torsion spring or a spring.

[0033] In the embodiment, as shown in the figure, the button is provided with a limiting groove 21, when the button is pressed, the tail end of the limiting rod falls into the limiting groove, and the push rod is limited with the handle to prevent the handle from rotating. In the closed state, the test button is pressed, the handle rotates to the open state, and if there is no conventional block, the hand is hit, the limiting rod of the application falls into the limiting groove, and then the push rod prevents the handle from rotating, at this time, the handle stops at "halfway" (refer to Figure 6 ).

[0034] In the embodiment, as shown in the figure, the rotating disc is provided with a second boss 312, when the button is pressed, one end of the outer wall of the push rod is in contact with the outer wall of the second boss and prevents the handle from rotating. The outer wall of the second boss top presses to prevent further rotation of the push rod.

[0035] In the description of the utility model, it is understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0036] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0037] The embodiments described with reference to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as a limitation on the utility model. The embodiments should not be regarded as a limitation on the utility model, but any improvement made on the basis of the spirit of the utility model should be within the protection scope of the utility model.

Claims

1. A misoperation prevention test button structure of a circuit breaker, comprising a housing (1) provided with a movably mounted button (2) and a rotatably mounted handle (3), characterized in that: Also include A limiting part (11) is arranged in the shell; A limiting plate (4) is rotatably arranged in the shell, which includes a first position where the handle is in the open position and the limiting part is limited and the button is blocked so that the button cannot be pressed; And When the handle is in the closed position, the limiting part is offset, and the button can be pressed in the second position; A spring (5) is used to drive the limiting plate to the first position.

2. The anti-misoperation test button structure of the circuit breaker according to claim 1, characterized by: The limiting plate includes a plate body (40), the middle end of the plate body is hinged to the shell, one end of the plate body is provided with a lever (41), and the other end is provided with a limiting rod (42), the lever is arranged opposite to the limiting part, and the limiting rod is arranged opposite to the button.

3. The misoperation prevention test button structure of a circuit breaker according to claim 1, characterized by: The limiting part is a boss arranged on the inner wall of the shell.

4. The misoperation prevention test button structure of a circuit breaker according to claim 2, characterized by: The handle includes a rotating disc (31), the rotating disc is provided with a first boss (311), and the first boss is arranged opposite to the lever.

5. The misoperation prevention test button structure of a circuit breaker according to claim 4, characterized by: The bottom of the plate body is provided with a connecting rod (43), and the spring is arranged opposite to the connecting rod.

6. The misoperation prevention test button structure of a circuit breaker according to claim 5, characterized by: The outer wall of the limiting rod is provided with a first inclined surface (421), the button is provided with a protrusion (22), and the protrusion is provided with a second inclined surface matched with the first inclined surface.

7. The misoperation prevention test button structure of a circuit breaker according to claim 1, characterized by: The spring is a torsion spring or a spring.

8. The misoperation prevention test button structure of a circuit breaker according to claim 1, characterized by: The button is provided with a limiting groove (21), when the button is pressed, the tail end of the limiting rod falls into the limiting groove, the lever is limited with the handle to prevent the handle from rotating.

9. The misoperation prevention test button structure of a circuit breaker according to claim 8, characterized by: The rotating disc is provided with a second boss (312), when the button is pressed, one end of the lever is in contact with the outer wall of the second boss, and the handle is prevented from rotating.

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