Output cam plate, spring operating mechanism and circuit breaker
A technology of operating mechanism and cam plate, applied in contact operating mechanism, protection switch operation/release mechanism, circuit, etc., can solve problems such as jamming and increase, and increase the maximum rotation angle and maximum output angle. Effect
Pending Publication Date: 2020-02-21
郑彦民
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Problems solved by technology
[0002] The spring operating mechanism is one of the components of the circuit breaker. The common spring operating mechanism includes a coil spring operating mechanism and a compression spring operating mechanism. Whether it is a coil spring operating mechanism or a compression spring operating mechanism, the maximum output angle of the operating mechanism is generally Not more than 90°. When the output angle of the operating mechanism is greater than 90°, the elastic force of the spring will increase with the compression of the spring. During operation, it is prone to jamming and the spring will start to output when the maximum amount of compression is not reached.
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[0041] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0042]In the description of the present invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc. indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific o...
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The invention discloses an output cam plate, a spring operating mechanism and a circuit breaker. The output cam plate comprises: a plate body that is provided with a base circle part and a protrudingpart which are connected; a linear guide hole that is formed in the base circle part, and an opening of the linear guide hole faces outwards in the radial direction of the base circle part; a first arc-shaped guide hole that is concentrically formed in the base circle part; a second arc-shaped guide hole that is eccentrically formed in the protruding part and located on one side of the first arc-shaped guide hole in the same hour hand rotating direction; a transition hole with two ends that are respectively communicated with the first arc-shaped guide hole and the second arc-shaped guide hole;and a mounting hole that is formed in the circle center of the base circle part. Through cooperation of the linear guide hole, the first arc-shaped guide hole, the transition hole and the second arc-shaped guide hole, the maximum rotating angle of the output cam plate can be increased, and therefore the maximum rotating angle of an output swing arm is increased, namely the maximum output angle ofthe spring operating mechanism is increased.
Description
technical field [0001] The invention relates to the technical field of power distribution equipment, in particular to an output cam plate, a spring operating mechanism and a circuit breaker. Background technique [0002] The spring operating mechanism is one of the components of the circuit breaker. The common spring operating mechanism includes a coil spring operating mechanism and a compression spring operating mechanism. Whether it is a coil spring operating mechanism or a compression spring operating mechanism, the maximum output angle of the operating mechanism is generally Not more than 90°. When the output angle of the operating mechanism is greater than 90°, the elastic force of the spring will increase with the compression of the spring. During operation, it is prone to jamming and the spring will start to output when the maximum amount of compression is not reached. Contents of the invention [0003] The present invention aims to solve at least one of the technic...
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IPC IPC(8): H01H3/30H01H71/10
CPCH01H3/3015H01H71/10
Inventor 郑彦民梁志斌
Owner 郑彦民