CN218975337U - Spring energy storage quick opening and closing device of isolating switch - Google Patents
Spring energy storage quick opening and closing device of isolating switch Download PDFInfo
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- CN218975337U CN218975337U CN202223474785.5U CN202223474785U CN218975337U CN 218975337 U CN218975337 U CN 218975337U CN 202223474785 U CN202223474785 U CN 202223474785U CN 218975337 U CN218975337 U CN 218975337U
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Abstract
The utility model provides a spring energy storage rapid opening and closing device of an isolating switch, which relates to the field of electrical equipment and comprises: a base; the operation assembly is arranged on the base and provides power for the opening and closing action part of the isolating switch through the rotary cam mechanism, and the operation assembly at least comprises a rotary cam mechanism; one end of the transmission pull rod is rotationally connected with the free end of the cam of the rotary cam mechanism, the other end of the transmission pull rod is connected with the opening and closing action part, and one side of the transmission pull rod, which is close to the rotary cam mechanism, is provided with a long hole so as to allow the cam to translate in the long hole; the opening and closing action part at least comprises a spring energy storage component, the spring energy storage component is arranged on the base and used for absorbing kinetic energy and freely releasing elastic deformation after passing over a dead point position, and the rotating cam mechanism is separated from rotary connection with the transmission pull rod and translates in the long hole during the elastic deformation releasing period of the spring energy storage component. The device can realize the quick opening and closing of the isolating switch, improves the stability of the opening and closing action of the switch, and reduces potential safety hazards.
Description
Technical Field
The utility model relates to the field of electrical equipment, in particular to a spring energy storage rapid switching-on/off device of an isolating switch.
Background
In the prior art, when the spring energy storage mechanism of the isolating switch is in actual use, the opening and closing speed of the spring energy storage mechanism is influenced by the action speed of an operator, namely, after the energy storage mechanism passes through a dead point, a person holds the rotatable handle for a short period of time, the switch cannot realize quick opening and closing, so that the problem of unstable opening and closing speed of the switch is solved, and in some cases, the isolating switch cannot cut off a power supply quickly, so that potential safety hazards are brought. Therefore, how to realize completely irrelevant manual operation of the isolating switch and improve the stability of opening and closing operation become technical problems to be solved.
Disclosure of Invention
The utility model aims to at least solve one of the technical problems in the prior art or related art, and provides a spring energy storage rapid opening and closing device of an isolating switch, which improves the stability of opening and closing actions of the switch and reduces potential safety hazards.
The utility model is realized by the following technical scheme: a spring energy storage quick opening and closing device of an isolating switch comprises: a base; the operation assembly is arranged on the base and provides power for the opening and closing action part of the isolating switch through the rotary cam mechanism, and the operation assembly at least comprises a rotary cam mechanism; one end of the transmission pull rod is rotationally connected with the free end of the cam of the rotary cam mechanism, the other end of the transmission pull rod is connected with the opening and closing action part, and one side of the transmission pull rod, which is close to the rotary cam mechanism, is provided with a long hole so as to allow the cam to translate in the long hole; the opening and closing action part at least comprises a spring energy storage component, the spring energy storage component is arranged on the base and used for absorbing kinetic energy and freely releasing elastic deformation after passing over a dead point position, and the rotating cam mechanism is separated from rotary connection with the transmission pull rod and translates in the long hole during the elastic deformation releasing period of the spring energy storage component.
According to the spring energy storage rapid switching-on/off device of the isolating switch, preferably, the operation assembly specifically comprises: a bearing fixed on the base; the square shaft is connected with the bearing; the cam is connected with the square shaft through shaft holes in a matching way.
According to the spring energy storage rapid switching-on/off device of the isolating switch, preferably, the operation assembly further comprises: and a spring pin for fixing the cam and the square shaft to prevent the cam from moving in an axial direction of the square shaft.
According to the spring energy storage rapid switching-on/off device of the isolating switch, preferably, the spring energy storage assembly specifically comprises: the first round shaft is fixed on the base; the upper connecting rod is rotationally connected with the first round shaft, and the free end of the upper connecting rod is sleeved with a spring; the second round shaft is fixed on the base; the lower connecting rod is rotationally connected with the second round shaft, and the free end of the lower connecting rod is connected with the supporting piece; the support piece is coaxially and rotatably connected with the transmission pull rod and the free end of the lower connecting rod; one end of the spring is propped against the supporting piece.
According to the spring energy storage rapid switching-on/off device of the isolating switch, preferably, the operating assembly further comprises a handle, and the handle is used for driving the rotary cam mechanism to rotate.
The beneficial effects obtained by the utility model at least comprise: the spring has stability during compression; the supporting piece is not contacted with the pull rod all the time in the moving process, so that interference in the moving process is avoided; after the energy storage mechanism passes through the dead point, the switch still can be operated in the period of time when the hand holds the handle and is still capable of achieving switching on/off, the switching on/off speed of the switch is irrelevant to the speed of an operator operating the handle, the stability of the switching on/off speed of the switch is guaranteed, and personal safety is guaranteed.
Drawings
Fig. 1 shows a schematic diagram of a front view of a spring-stored energy rapid opening and closing device of an isolating switch according to an embodiment of the utility model.
Fig. 2 is a schematic front view of a spring energy storage rapid opening and closing device of an isolating switch according to another embodiment of the present utility model.
Fig. 3 shows a schematic perspective view of fig. 2.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
As shown in fig. 1, the present utility model provides a spring energy storage rapid switching device of an isolating switch, comprising: a base 101; the operation assembly 102 is arranged on the base and provides power for the opening and closing action part of the isolating switch through the rotary cam mechanism, and the operation assembly at least comprises a rotary cam mechanism; one end of the transmission pull rod 103 is rotationally connected with the free end of the cam of the rotary cam mechanism, the other end of the transmission pull rod is connected with the opening and closing action part, and one side of the transmission pull rod, which is close to the rotary cam mechanism, is provided with a long hole so as to allow the cam to translate in the long hole 104; the opening and closing action part at least comprises a spring energy storage component 105 which is arranged on the base and used for absorbing kinetic energy and freely releasing elastic deformation after passing over the dead point position, and the rotating cam mechanism is separated from the rotating connection with the transmission pull rod and translates in the long hole during the elastic deformation releasing period of the spring energy storage component.
According to the above embodiment, preferably, the operation assembly specifically includes: a bearing fixed on the base; the square shaft is connected with the bearing; the cam is connected with the square shaft through shaft holes in a matching way.
According to the above embodiment, preferably, the operation assembly further includes: and a spring pin for fixing the cam and the square shaft to prevent the cam from moving in an axial direction of the square shaft.
According to the above embodiment, preferably, the spring energy storage assembly specifically includes: the first round shaft is fixed on the base; the upper connecting rod is rotationally connected with the first round shaft, and the free end of the upper connecting rod is sleeved with a spring; the second round shaft is fixed on the base; the lower connecting rod is rotationally connected with the second round shaft, and the free end of the lower connecting rod is connected with the supporting piece; the support piece is coaxially and rotatably connected with the transmission pull rod and the free end of the lower connecting rod; the spring is against the support.
According to the above embodiment, the operating assembly preferably further comprises a handle (not shown) mounted on the square shaft for facilitating the rotation of the cam by the operator.
As shown in fig. 2 and fig. 3, according to another embodiment of the present utility model, a specific implementation case of the spring energy storage rapid switching device of the isolating switch is also disclosed: the square shaft 5 rotates in the base 3 through the bearing 4, the cam 1 is connected with the square shaft 5 through the shaft hole in a matching way, the spring pin 2 prevents the cam 1 from moving in the axial direction, the cam 1 and the pull rod 7 are riveted together through the rivet 6, and the cam has the rotation and translational freedom degree; the pull rod 7, the lower connecting rod 9, the supporting piece 11 and the upper connecting rod 15 are connected together through matching with the driving shaft 10 of the supporting piece 11, the driving shaft 10 is fixed through a clamping ring or a riveting mode, but the rotation freedom degree exists between the pull rod and the lower connecting rod; the spring 12 is inserted on the upper connecting rod 15, one end of the spring 12 is propped against the spring baffle 13, one end of the spring is propped against the supporting piece 11, and the supporting piece 11 is not contacted with the pull rod 7 all the time; the upper connecting rod 15 is connected with the round shaft 14 through a shaft hole in a matching way; the lower connecting rod 9 is connected with the round shaft 8 through shaft holes in a matching way.
Working principle: the cam 1 drives the pull rod 7 to move through rotation, the pull rod 7 drives the driving shaft 10 to move, the driving shaft 10 drives the lower connecting rod 9 to rotate on the circular shaft 8 and simultaneously drives the upper connecting rod 15 to rotate around the circular shaft 14, the spring 12 stores energy under the compression of the supporting piece 11, when the connecting rod structure reaches the dead point position, the elastic potential energy reaches the maximum, when the cam 1 rotates to the set position, the connecting rod passes over the dead point position, the elastic potential energy is released instantaneously, and the driving shaft 10 reaches the closing position instantaneously.
According to the embodiment, the spring has stability in the compression process, and the spring is always in contact with a large plane; the support 11 is not in contact with the pull rod 7 all the time during the movement, avoiding interference during the movement. The spring energy storage mechanism can realize complete irrelevant manual operation: after the energy storage mechanism passes through the dead point, the handle is held by a human hand and is not moved, but the switch can still realize the opening and closing operation, so that the opening and closing speed of the switch is irrelevant to the speed of the hand operating the handle, the stability of the opening and closing speed of the switch is ensured, and the personal safety is ensured.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. The utility model provides a quick divide-shut brake device of isolator's spring energy storage which characterized in that includes:
a base;
the operation assembly is arranged on the base and provides power for the opening and closing action part of the isolating switch through the rotary cam mechanism, and the operation assembly at least comprises a rotary cam mechanism;
one end of the transmission pull rod is rotationally connected with the free end of the cam of the rotary cam mechanism, the other end of the transmission pull rod is connected with the opening and closing action part, and a long hole is formed in one side, close to the rotary cam mechanism, of the transmission pull rod so as to allow the cam to translate in the long hole;
the opening and closing action part at least comprises a spring energy storage component, the spring energy storage component is arranged on the base and used for absorbing kinetic energy and freely releasing elastic deformation after passing over a dead point position, and the rotary cam mechanism is separated from rotary connection with the transmission pull rod and translates in the long hole during the elastic deformation releasing period of the spring energy storage component.
2. The spring-loaded fast opening and closing device of an isolating switch of claim 1, wherein the operating assembly specifically comprises:
a bearing fixed on the base;
the square shaft is connected with the bearing;
and the cam is connected with the square shaft in a matching way through a shaft hole.
3. The spring-loaded quick release and closing device of an isolator of claim 2, wherein the operating assembly further comprises:
and a spring pin for fixing the cam and the square shaft to prevent the cam from moving in the axial direction of the square shaft.
4. The spring energy-storage quick opening and closing device of an isolating switch according to claim 1, wherein the spring energy-storage assembly specifically comprises:
the first round shaft is fixed on the base;
the upper connecting rod is rotationally connected with the first round shaft, and the free end of the upper connecting rod is sleeved with a spring;
the second round shaft is fixed on the base;
the lower connecting rod is rotationally connected with the second round shaft, and the free end of the lower connecting rod is connected with the supporting piece;
the support piece is coaxially and rotatably connected with the transmission pull rod and the free end of the lower connecting rod;
the spring abuts the support.
5. The spring-loaded quick release and connect device of any one of claims 1-4, wherein said operating assembly further comprises a handle for driving said rotating cam mechanism in rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223474785.5U CN218975337U (en) | 2022-12-26 | 2022-12-26 | Spring energy storage quick opening and closing device of isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223474785.5U CN218975337U (en) | 2022-12-26 | 2022-12-26 | Spring energy storage quick opening and closing device of isolating switch |
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| Publication Number | Publication Date |
|---|---|
| CN218975337U true CN218975337U (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223474785.5U Active CN218975337U (en) | 2022-12-26 | 2022-12-26 | Spring energy storage quick opening and closing device of isolating switch |
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| CN (1) | CN218975337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116230460A (en) * | 2023-05-06 | 2023-06-06 | 广东米勒电气有限公司 | Quick automatic closing mechanism of circuit breaker and circuit breaker provided with same |
-
2022
- 2022-12-26 CN CN202223474785.5U patent/CN218975337U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116230460A (en) * | 2023-05-06 | 2023-06-06 | 广东米勒电气有限公司 | Quick automatic closing mechanism of circuit breaker and circuit breaker provided with same |
| CN116230460B (en) * | 2023-05-06 | 2023-07-07 | 广东米勒电气有限公司 | Quick automatic closing mechanism of circuit breaker and circuit breaker provided with same |
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