Operating mechanism of isolating switch
By designing the operating mechanism of the disconnecting switch, a linkage structure consisting of the housing, manual operating shaft, rotating shaft, drive shaft, energy storage torsion spring, and push plate is adopted, which solves the problems of complex structure and unreliable opening and closing of existing disconnecting switch operating mechanisms, and realizes rapid opening and closing and convenient assembly.
Patent Information
- Application Number
- CN202520095385.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-15
AI Technical Summary
The existing disconnecting switch has a complex operating mechanism, which results in incomplete opening and closing, slow speed, unreliability, and inconvenient assembly.
An operating mechanism comprising a housing, a manual operating shaft, a rotating shaft, a drive shaft, an energy storage torsion spring, and a push plate was designed. Combined with a reset assembly and a linkage structure, the manual operating shaft is reliably operated, and the reset spring is used to accelerate the opening and closing actions.
It achieves an operating mechanism that is simple in structure, stable and reliable in performance, fast in opening and closing speed, convenient in assembly, and reliable in operation.
Smart Images
Figure CN223757432U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a disconnecting switch, concretely relates to an operating mechanism of disconnecting switch. BACKGROUND
[0002] The disconnecting switch is a kind of equipment that isolates the power-off part from the live part, forms an obvious disconnecting point, and isolates the fault equipment or carries out power-off maintenance. When electrical equipment is power-off maintained, the equipment is isolated from power supply, and an obvious disconnecting point is formed to avoid safety accidents. The disconnecting switch is widely used in power distribution systems and automation systems of construction, electric power, petrochemical industry and other industries.
[0003] The disconnecting switch includes a shell, an operating mechanism and a contact system. The existing operating mechanism of disconnecting switch has a complex structure design. When the operating handle is rotated, the disconnecting and closing actions are not in place, the disconnecting and closing speed is slow, and the action is unreliable. Moreover, the disconnecting switch has the defects of unreliable performance and inconvenient assembly. SUMMARY
[0004] The utility model aims at overcoming the defects of prior art, and provides an operating mechanism of disconnecting switch, which has simple structure, stable and reliable performance, fast disconnecting and closing speed, convenient assembly and reliable action.
[0005] To achieve the above-mentioned purpose, the utility model adopts an operating mechanism of disconnecting switch, which includes a shell, a manual operating shaft rotatably arranged on the shell, a rotating shaft connected to the manual operating shaft, a driving shaft connected to the rotating shaft, an energy storage torsional spring arranged between the driving shaft and the shell, a push plate connected to the driving shaft and used for driving the contact system to perform disconnecting and closing actions. A reset assembly matched with the manual operating shaft is arranged in the shell. The reset assembly includes a reset plate slidably arranged in the shell, two reset springs arranged between the reset plate and the shell respectively. One end of the manual operating shaft has a cam portion matched with the reset plate. The cam portion drives the reset plate to act along with the action of the manual operating shaft, and forms the linkage between the reset plate and the cam portion.
[0006] The above-mentioned structure has the beneficial effects that the reset assembly matched with the manual operating shaft is arranged in the shell. The reset assembly can ensure the reliable action of the manual operating shaft, ensure the disconnecting and closing actions of the manual operating shaft to be in place, and the reset spring can accelerate the manual operating shaft to quickly perform the disconnecting and closing actions, which is beneficial to accelerating the disconnecting and closing speed of the operating mechanism. Therefore, the operating mechanism has the advantages of simple structure, stable and reliable performance, fast disconnecting and closing speed, convenient assembly and reliable action.
[0007] Particularly, two guide grooves are arranged in the shell corresponding to the two ends of the reset plate, the two ends of the reset plate are slidably arranged in the two guide grooves, and the reset plate and the shell are slidably connected.
[0008] Particularly, two positioning grooves are arranged in the shell corresponding to the two reset springs, one end of the two reset springs abuts against the two positioning grooves, and the other end of the two reset springs abuts against the reset plate. The reset spring is clamped in the positioning groove of the shell, so that the assembly of the reset spring, the shell and the reset plate is facilitated, and the assembly is more convenient.
[0009] Particularly, a driving groove is arranged on the rotating shaft and matched with the manual operation shaft, the manual operation shaft is provided with a driving block matched with the driving groove, the driving block moves back and forth in the driving groove along with the movement of the manual operation shaft, and the rotating shaft and the driving block are connected.
[0010] Particularly, a driving groove is arranged on the rotating shaft and matched with the driving shaft, and the driving shaft is clamped in the driving groove. The driving shaft is clamped in the driving groove of the rotating shaft, so that the transmission of the rotating shaft and the driving shaft is more reliable.
[0011] Particularly, the two ends of the push plate are provided with two perpendicularly bent driving pieces, a driving space is formed between the two driving pieces, one end of the driving shaft is inserted into the driving space, the driving shaft moves along with the driving shaft and abuts against the two driving pieces, and the two driving pieces and the driving shaft are connected. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a perspective view of an embodiment of the utility model.
[0013] Figure 2 It is an internal structure view of an embodiment of the utility model. DETAILED DESCRIPTION
[0014] As Figure 1 , 2The utility model discloses an operating mechanism of isolating switch, including casing 10, rotation setting manual operation shaft 11 on casing 10, linkage setting pivot 12 on manual operation shaft 11, and the drive shaft 13 of pivot 12 linkage cooperation, set up the energy storage torsional spring 14 between drive shaft 13 and casing 10, and the drive contact system of push plate 15 for driving is used to drive the opening and closing of the action, the casing 10 in be provided with the reset component 20 of manual operation shaft 11 cooperation, reset component 20 includes reset plate 21 of sliding setting in casing 10, two reset springs 22 of setting between reset plate 21 and casing 10 respectively, the manual operation shaft 11 one end has the cam portion 111 of reset plate 21 cooperation, the cam portion 111 with reset plate 21 action and drive reset plate 21 action, and constitute reset plate 21 and cam portion 11 linkage cooperation. The casing 10 in correspondence reset plate 21 both ends is provided with two guide slots 101, and reset plate 21 both ends are slidingly arranged in two guide slots 101 respectively, and constitute reset plate 21 and the sliding connection cooperation of casing 10. Reset plate both ends slidingly arranged in the guide slot of casing, so that it can guarantee that reset plate can reliably act in the casing, thereby being favorable to improve the working reliability of the operating mechanism. The casing 10 in correspondence two reset springs 22 is provided with two positioning slots 102, and one end of two reset springs 22 abuts in two positioning slots 102, and the other end of two reset springs 22 abuts on reset plate 21. Reset spring is engaged in the positioning slot of casing, so that it is convenient for the assembly of reset spring and casing, reset plate, and assembly is more convenient. The pivot 12 is provided with the push slot 121 of manual operation shaft 11 cooperation, the manual operation shaft 11 is provided with the push block 112 of push slot 121 cooperation, the push block 112 with manual operation shaft 11 action and reciprocating action in push slot 121, and constitute pivot 12 and the linkage cooperation of push block 112. Manual operation shaft drives pivot through push block, so that it can guarantee the transmission of manual operation shaft and pivot is more reliable, thereby being favorable to improve the working reliability of the operating mechanism. The pivot 12 is provided with the push slot 122 of drive shaft 13 cooperation, and drive shaft 12 is engaged in push slot 122. Drive shaft is engaged in the push slot of pivot, so that it can guarantee the transmission of pivot and drive shaft is more reliable. Push plate 15 both ends have two push pieces 151 of vertical bending, and the two push pieces 151 form push space 150, and one end of drive shaft 13 is inserted in push space 150, and drive shaft 13 with drive shaft 13 action and abut on two push pieces 151, and constitute two push pieces 151 and the linkage cooperation of drive shaft 13. Push plate is provided with two push pieces of drive shaft cooperation, so that it can guarantee that drive shaft can reliably drive push plate, thereby being favorable to improve the working reliability of the operating mechanism.
[0015] The reset assembly is arranged in the shell and cooperates with the manually operated shaft. The reset assembly can ensure reliable action of the manually operated shaft, ensure that the manually operated shaft can be operated to the position of opening or closing, and the reset spring can accelerate the manually operated shaft to quickly perform the opening or closing operation, which is beneficial to accelerate the opening or closing speed of the operating mechanism. Therefore, the operating mechanism has the advantages of simple structure, stable and reliable performance, fast opening or closing speed, convenient assembly and reliable action.
Claims
1. An operating mechanism for a disconnecting switch, comprising a housing, a manual operating shaft rotatably mounted on the housing, a rotating shaft linked to the manual operating shaft, a drive shaft linked to the rotating shaft, an energy-storing torsion spring disposed between the drive shaft and the housing, and a push plate linked to the drive shaft and used to drive the contact system to perform opening and closing actions, characterized in that: The shell is internally provided with a reset assembly matched with the manually operated shaft, the reset assembly comprises a reset plate slidingly arranged in the shell, two reset springs arranged between the reset plate and the shell respectively, one end of the manually operated shaft is provided with a cam portion matched with the reset plate, the cam portion drives the reset plate to act along with the manually operated shaft, and linkage cooperation between the reset plate and the cam portion is formed.
2. An operating mechanism of a disconnector according to claim 1, characterized in that: Two guide grooves are arranged in the shell corresponding to both ends of the reset plate, both ends of the reset plate are slidingly arranged in the two guide grooves respectively, and sliding connection cooperation between the reset plate and the shell is formed.
3. An operating mechanism for a disconnector according to claim 1 or 2, characterized in that: Two positioning grooves are arranged in the shell corresponding to the two reset springs, one end of the two reset springs abuts in the two positioning grooves, and the other end of the two reset springs abuts on the reset plate.
4. An operating mechanism of a disconnector according to claim 1 or 2, characterized in that: The rotating shaft is provided with a pushing groove matched with the manually operated shaft, the manually operated shaft is provided with a pushing block matched with the pushing groove, the pushing block reciprocatingly acts in the pushing groove along with the manually operated shaft, and linkage cooperation between the rotating shaft and the pushing block is formed.
5. An operating mechanism of a disconnector according to claim 1 or 2, characterized in that: The rotating shaft is provided with a pushing groove matched with the driving shaft, and the driving shaft is clamped in the pushing groove.
6. An operating mechanism of a disconnector according to claim 1 or 2, characterized in that: Both ends of the pushing plate are provided with two pushing pieces which are vertically bent, a pushing space is formed between the two pushing pieces, one end of the driving shaft is inserted in the pushing space, the driving shaft abuts on the two pushing pieces along with the driving shaft, and linkage cooperation between the two pushing pieces and the driving shaft is formed.