CN219575426U

CN219575426U - Operating mechanism of switch device

Info

Publication number: CN219575426U
Application number: CN202320433578.0U
Authority: CN
Inventors: 沈惠新; 顾怡文; 朱诚
Original assignee: Changshu Switchgear Manufacturing Co Ltd
Current assignee: Changshu Switchgear Manufacturing Co Ltd
Priority date: 2023-03-09
Filing date: 2023-03-09
Publication date: 2023-08-22
Anticipated expiration: 2033-03-09

Abstract

An operating mechanism of a switching device belongs to the technical field of low-voltage electrical appliances. The device comprises an operation shaft which is arranged in a rotating mode, an output shaft which is arranged in a rotating mode, a transmission part which is arranged in a sliding mode, a first transmission mechanism which is arranged between the operation shaft and the transmission part, and a second transmission mechanism which is arranged between the transmission part and the output shaft. The advantages are that: reliable transmission, less mechanical faults and high use safety.

Description

Operating mechanism of switch device

Technical Field

The utility model belongs to the technical field of piezoelectric devices, and particularly relates to an operating mechanism of a switching device.

Background

The switch operating device in the low voltage power field can be used for opening or closing an operating circuit and has a function of quick opening or closing so as to minimize the influence of an arc. The switch operating device in the current market has the defects of unreliable performance, smaller safety, short service life and the like due to complex structural design.

In view of the above-described prior art, there is a need for an improvement in the structure of the existing switch operating means, and for this purpose, the present inventors have devised advantageous designs, and the technical solutions described below are created in this context.

Disclosure of Invention

The utility model aims to provide an operating mechanism of a switching device, which has reliable transmission, less mechanical faults and high use safety.

The utility model aims at achieving the purpose, and the operating mechanism of the switch device comprises an operating shaft, an output shaft, a transmission piece, a first transmission mechanism arranged between the operating shaft and the transmission piece, and a second transmission mechanism arranged between the transmission piece and the output shaft, wherein the operating shaft drives the transmission piece to slide through the first transmission mechanism, the transmission piece rotates the output shaft through the second transmission mechanism after sliding, the axis of the operating shaft is perpendicular to the axis of the output shaft, the first transmission mechanism is of a deflector rod chute structure, and the second transmission mechanism is of a gear rack structure.

In a specific embodiment of the present utility model, the lever chute structure includes a lever and a chute, one of which is disposed on the operating shaft and the other of which is disposed on the transmission member.

In another specific embodiment of the present utility model, the transmission member includes a first transmission portion and a second transmission portion, where the first transmission portion and the second transmission portion are stacked and fixed up and down and move synchronously.

In another specific embodiment of the present utility model, the lever chute structure includes a driving boss disposed on the driving member at one end of the operating shaft and a groove disposed on the first transmission portion, where the groove includes a first driving surface and a second driving surface, and when the operating shaft rotates, the driving boss abuts against the first driving surface or the second driving surface to realize the left-right sliding of the driving member.

In still another specific embodiment of the present utility model, the lever chute structure includes a force-bearing boss disposed on the first transmission portion and a driving groove disposed on the driving member at one end of the operating shaft, where two sidewalls of the driving groove abut against the force-bearing boss to realize the left-right sliding of the driving member.

In still another specific embodiment of the present utility model, the rack and pinion structure includes a driving disc disposed on the output shaft and a driving rack disposed on the driving member, where the driving disc is meshed with the driving rack, so that the driving member realizes output of the output shaft force during the left-right sliding process.

In a further specific embodiment of the present utility model, the driving rack is a driving rack slot or a driving tooth group which is arranged on the lower surface of the second driving part and is arranged at intervals along the length direction of the second driving part; the driving disk is provided with a gear for meshing transmission with the transmission rack groove or the transmission gear group.

In a further specific embodiment of the present utility model, the driving member further includes a first limiting surface and a second limiting surface disposed on a peripheral contour surface thereof, the driving member is provided with a first limiting boss and a second limiting boss on an upper surface, and when the switching device is closed in place, the first limiting surface abuts against the first limiting boss; when the switch device is switched off in place, the second limiting surface abuts against the second limiting boss.

In still another specific embodiment of the present utility model, the driving disc includes a first driving disc and a second driving disc disposed parallel to each other, the first driving disc and the second driving disc are fixedly connected through a plurality of supporting shaft assemblies distributed at intervals, the driving disc is provided with a rotating shaft assembly at a center of a side surface facing to the output shaft, and is provided with a plurality of limiting holes around the rotating shaft assembly, the end surface facing to the driving disc is provided with a rotating hole adapted to be connected with the rotating shaft assembly and a positioning part corresponding to the limiting hole, and the end surface facing away from the driving disc is provided with an output part connected with a moving contact of the switching device.

In a still further specific embodiment of the present utility model, the present utility model further comprises at least one energy storage spring device disposed at one side of the output shaft, wherein the energy storage spring device is driven by the driving disc to store energy, when the driving disc reaches the dead point position, the energy storage spring device stores energy to a maximum value, and when the driving disc passes the dead point position, the energy storage spring device releases energy to enable the driving disc to continue to rotate so as to realize irrelevant manual operation.

According to the utility model, the structure is adopted, the groove of the first transmission part is matched with the deflector rod on the driving piece, and the transmission rack groove of the second transmission part is matched with the gear on the driving disk, so that the driving piece can be driven to slide left and right by the back and forth rotation of the operation shaft, and the driving disk is driven to rotate by the rack-and-pinion structure to realize output of output shaft force, so that the whole transmission structure is reliable, few in mechanical faults and high in use safety.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a transmission schematic diagram of the first and second transmission mechanisms according to the present utility model.

Fig. 3 is an exploded view of the first and second transmission mechanisms according to the present utility model.

Fig. 4 is an exploded view of the structure of the driving member according to the present utility model.

In the figure: 1. the device comprises an operation shaft, an operation hole, an installation limiting groove and a limiting end, wherein the operation shaft, the operation hole and the installation limiting groove are arranged in the operation shaft, the operation shaft is provided with the operation hole, the operation hole is provided with the operation hole; 2. the output shaft, 21, the rotary hole, 22, the positioning part, 23, the output part; 3. the device comprises a transmission part, 31, a first transmission part, 311, a stress part, 3111, a first driving surface, 3112, a second driving surface, 312, a yielding groove, 313, a first limit boss, 314, a second limit boss, 315, a connecting boss, 32, a second transmission part, 321, a transmission rack groove, 322, a sliding limit groove and 323, and a connecting hole. 4. The driving piece, 41, the driving boss, 42, the first limiting surface, 43 and the second limiting surface; 5. the driving disc, 51, the first driving disc, 52, the second driving disc, 53, the supporting shaft assembly, 54, the rotary shaft assembly and 55, the limiting hole; 6. the device comprises an energy storage spring device 61, a main spring 62, a bracket 63, a support shaft 621, an abutting boss 6211, a rotary semicircle 622 and a waist-shaped hole.

Detailed Description

The following detailed description of specific embodiments of the utility model, while given in connection with the accompanying drawings, is not intended to limit the scope of the utility model, and any changes that may be made in the form of the inventive concepts described herein, without departing from the spirit and scope of the utility model.

In the following description, all concepts related to the directions (or azimuths) of up, down, left, right, front and rear are directed to the position states where the drawings are being described, so as to facilitate public understanding, and thus should not be construed as being particularly limiting to the technical solutions provided by the present utility model.

Referring to fig. 1, the present utility model relates to an operating mechanism of a switching device, which comprises an operating shaft 1 rotatably arranged, an output shaft 2 rotatably arranged, a transmission member 3 slidably arranged, a first transmission mechanism arranged between the operating shaft 1 and the transmission member 3, and a second transmission mechanism arranged between the transmission member 3 and the output shaft 2. The operation shaft 1 drives the transmission part 3 to slide along the direction vertical to the axial direction of the operation shaft 1 through the first transmission mechanism, and the output shaft 2 rotates in the plane of the sliding direction of the transmission part 3 through the second transmission mechanism. The axis of the operating shaft 1 is perpendicular to the axis of the output shaft 2, the first transmission mechanism is of a deflector rod sliding groove structure, and the second transmission mechanism is of a gear rack structure.

Referring to fig. 3, specifically, the operating shaft 1 is provided with an operating hole 11 at the top end, two mounting limiting grooves 12 are provided in the middle of the height direction, and a limiting end 13 is provided at the bottom end. The operation shaft 1 is clamped in the base of the switch device through the installation limiting groove 12 and can rotate back and forth around the installation limiting groove 12.

Referring to fig. 2 to 4, the transmission part 3 includes a first transmission part 31 and a second transmission part 32 stacked one above the other, and the two parts are fixedly arranged and synchronously move. The shifting lever sliding groove structure comprises a shifting lever and a sliding groove, wherein one shifting lever and the sliding groove are arranged on the operation shaft 1, and the other shifting lever and the sliding groove are arranged on the transmission piece 3. In this embodiment, the lever chute structure includes a driving boss 41 disposed on the driving member 4 at one end of the operating shaft 1 and a groove 311 disposed on the first transmission portion 31, where the groove 311 is located at an edge of the first transmission portion 31, and the groove 311 includes a first driving surface 3111 and a second driving surface 3112, and when the operating shaft 1 rotates, the driving boss 41 abuts against the first driving surface 3111 or the second driving surface 3112, so as to realize left-right sliding of the driving member 3. In yet another embodiment (not shown), the shift lever sliding chute structure includes a stress boss disposed on the first transmission portion 32 and a driving groove disposed on the driving member 4 at one end of the operating shaft 1, where two sidewalls of the driving groove abut against the stress boss, so as to realize left-right sliding of the driving member 3.

The driving member 4 and the operation shaft 1 may be fixed integrally by welding or riveting, or may be integrally formed by a die. The first transmission portion 31 is provided with a relief groove 312 in the middle and along the length direction, and the relief groove 312 is rectangular and is used for avoiding welding marks between the driving member 4 and the operation shaft 1. Further, the first transmission part 31 is provided with a first limiting boss 313 and a second limiting boss 314 on a surface facing the driving part 4, the driving part 4 further comprises a first limiting surface 42 and a second limiting surface 43 arranged on the peripheral outline surface thereof, and when the switch device is closed in place, the first limiting surface 42 is abutted against the first limiting boss 313; when the switch device is in place, the second limiting surface 43 abuts against the second limiting boss 314.

The second transmission part 32 is provided with a sliding limit groove 322 at the center, and the sliding limit groove 322 is a strip extending along the length direction of the second transmission part 32 and is used for being matched with the limit end 13 of the operation shaft 1. The size of the sliding limiting groove 322 is smaller than that of the yielding groove 312.

The second transmission part 32 is provided with a connection hole 323 at a side facing the first transmission part 31, and the first transmission part 31 is provided with a connection boss 315 corresponding to the connection hole 323. The first and second transmission parts 31 and 32 are integrally coupled by the engagement between the coupling boss 315 and the coupling hole 323. The first transmission portion 31 and the second transmission portion 32 may be integrally formed by a mold as well.

The gear rack structure is composed of a driving disc 5 arranged on the output shaft 2 and a transmission rack arranged on the transmission member 3, wherein the driving disc 5 is meshed with the transmission rack, so that the transmission member 3 can realize the output of the force of the output shaft 2 in the process of sliding left and right. Specifically, the transmission member 3 is disposed between the operating shaft 1 and the driving disc 5, and the transmission rack is a transmission rack slot 321 or a transmission gear group disposed on the lower surface of the second transmission portion 32 and located at two sides of the sliding limiting slot 322 and disposed at intervals along the length direction of the second transmission portion 32; the drive disk 5 has a gear for meshing with the drive rack slot 321 or the drive tooth set. In this embodiment, a form of a gear and a rack gear groove 321 is employed.

Specifically, the driving disc 5 includes a first driving disc 51 and a second driving disc 52 that are parallel to each other, the first driving disc 51 and the second driving disc 52 are fixedly connected by a plurality of supporting shaft assemblies 53 that are distributed at intervals, and in this embodiment, the number of the supporting shaft assemblies 53 is three and is 120 °. The first driving disc 51 and the second driving disc 52 are the same part and are sector gears, and are respectively meshed with the transmission rack grooves 321 on two sides, so that transmission connection is realized. When the transmission part 3 slides, the driving disc 5 is driven to rotate, and the driving disc 5 drives the output shaft 2 to rotate.

In this embodiment, the number of output shafts 2 is two, and the output shafts are respectively located at two sides of the driving disc 5. The driving disc 5 is provided with a rotary shaft assembly 54 at the center of one side face facing the output shaft 2, a plurality of limiting holes 55 are formed around the rotary shaft assembly 54, the output shaft 2 is provided with rotary holes 21 which are adaptively connected with the rotary shaft assembly 54 and positioning parts 22 corresponding to the limiting holes 55 on the end face facing the driving disc 5, the end face of the output shaft 2 facing away from the driving disc 5 is provided with an output part 23 connected with a moving contact of a switching device, and the output part 23 is used for driving the moving contact to realize switching on and off of the switch.

Further, the present utility model further includes at least one energy storage spring device 6 disposed at one side of the output shaft 2, the energy storage spring device 6 includes a main spring 61, a bracket 62 and a support shaft 63, one end of the bracket 62 in the length direction is provided with an abutment boss 621, the other end is provided with a waist-shaped hole 622, the support shaft 63 is fixedly disposed in the waist-shaped hole 622 in a penetrating manner, one end of the main spring 61 abuts against the abutment boss 621, and the other end abuts against the support shaft 63. The abutment boss 621 is provided with a swivel semicircle 6211 at an end facing the output shaft 2, through which swivel semicircle 6211 the bracket 62 abuts against the support shaft assembly 53 of the drive disc 5. The energy storage spring device 6 stores energy under the drive of the driving disc 5, when the driving disc 5 reaches a dead point position, the energy storage spring device 6 stores energy to the maximum value, and when the driving disc 5 passes the dead point position, the energy storage spring device 6 releases energy to enable the driving disc 5 to continue rotating so as to realize irrelevant manual operation.

The driving disc 5 and the output shaft 2 are assembled into a whole and then are arranged in a base rotating hole, the first transmission part 31 and the second transmission part 32 are assembled into a whole and then are arranged in a base limiting groove, the stress part 311 of the first transmission part 31 is matched with the driving boss 41 on the driving piece 4, and the transmission rack groove 321 of the second transmission part 32 is matched with the driving disc 5, so that the driving piece 3 can be driven to slide left and right through the back and forth rotation of the operation shaft 1, and the driving disc 5 is driven to rotate back and forth through a rack and pinion structure after the driving piece 3 slides left and right.

Assuming that the initial position of the switch device is at the opening position, when the switch device needs to be closed, the operating shaft 1 rotates clockwise, the driving boss 41 of the driving piece 4 is matched with the first driving surface 3111 on the driving piece 3 to drive the driving piece 3 to slide leftwards, the driving disc 5 rotates anticlockwise through the matching of the rack gears, and then the main springs 61 on two sides of the driving disc 5 are driven to carry out closing energy storage, after the main springs 61 pass through dead points, the driving disc 5 continues to rotate anticlockwise under the action of releasing energy of the main springs 61, the driving piece 3 is driven to slide leftwards rapidly until the sliding limit groove 322 on the driving piece 3 abuts against the limit end 13 on the operating shaft 1, in this process, the first driving surface 3111 of the driving piece 3 abuts against the driving boss 41, and after the sliding plate is in place, the second driving surface 3112 of the driving piece 3 abuts against the driving boss 41, and the second limit surface 43 on the driving piece 3 abuts against the second limit boss 314, so that the operating shaft 1 is limited at the position of 90 degrees, unrelated operation is realized, and the instantaneous closing operation of the output shaft 2 is driven. The opening process is similar to the closing process, and will not be described again.

Claims

1. The utility model provides an operating device of switching device, including rotating operating shaft (1) that sets up, rotating output shaft (2) that set up, slip setting's driving medium (3), and set up the first drive mechanism between operating shaft (1) and driving medium (3), set up the second drive mechanism between driving medium (3) and output shaft (2), operating shaft (1) drive driving medium (3) through first drive mechanism and slide, driving medium (3) slide the back and make through second drive mechanism output shaft (2) rotate, wherein, the axis of operating shaft (1) is perpendicular with the axis of output shaft (2) each other, its characterized in that: the first transmission mechanism is of a deflector rod chute structure, and the second transmission mechanism is of a gear rack structure.

2. An operating mechanism for a switching device according to claim 1, characterized in that said lever chute structure comprises a lever and a chute, one of which is arranged on the operating shaft (1) and the other on the transmission member (3).

3. An operating mechanism of a switching device according to claim 2, characterized in that the transmission member (3) comprises a first transmission part (31) and a second transmission part (32), and the first transmission part (31) and the second transmission part (32) are fixedly arranged in a vertically stacked manner and synchronously move.

4. An operating mechanism of a switching device according to claim 3, characterized in that the lever chute structure comprises a driving boss (41) arranged on a driving member (4) at one end of the operating shaft (1) and a groove (311) arranged on the first transmission part (31), the groove (311) comprises a first driving surface (3111) and a second driving surface (3112), and when the operating shaft (1) rotates, the driving boss (41) abuts against the first driving surface (3111) or the second driving surface (3112) to realize left-right sliding of the driving member (3).

5. An operating mechanism of a switching device according to claim 3, characterized in that the deflector rod chute structure comprises a stress boss arranged on the first transmission part (31) and a driving groove arranged on the driving piece (4) at one end of the operating shaft (1), and two side walls of the driving groove are abutted against the stress boss to realize the left-right sliding of the transmission piece (3).

6. A switching device operating mechanism according to claim 3, characterized in that the rack and pinion structure comprises a driving disc (5) arranged on the output shaft (2) and a driving rack arranged on the driving member (3), the driving disc (5) being meshed with the driving rack, so that the driving member (3) realizes the output of the force of the output shaft (2) in the process of sliding left and right.

7. The operating mechanism of a switching device according to claim 6, wherein the driving rack is a driving rack groove (321) or a driving rack group which is arranged on the lower surface of the second driving part (32) and is arranged at intervals along the length direction of the second driving part (32); the drive disk (5) has a gear for meshing with the drive rack groove (321) or the drive gear group.

8. The operating mechanism of a switching device according to claim 4, wherein the driving member (4) further comprises a first limiting surface (42) and a second limiting surface (43) arranged on the outline surface of the driving member (3), the upper surface of the driving member is provided with a first limiting boss (313) and a second limiting boss (314), and when the switching device is closed in place, the first limiting surface (42) abuts against the first limiting boss (313); when the switch device is in place, the second limiting surface (43) abuts against the second limiting boss (314).

9. The operating mechanism of a switching device according to claim 6, characterized in that the driving disc (5) comprises a first driving disc (51) and a second driving disc (52) which are arranged in parallel, the first driving disc (51) and the second driving disc (52) are fixedly connected through a plurality of supporting shaft assemblies (53) which are distributed at intervals, the driving disc (5) is provided with a rotating shaft assembly (54) at the center of one side face facing the output shaft (2), a plurality of limiting holes (55) are formed around the rotating shaft assembly (54), the end face of the output shaft (2) facing the driving disc (5) is provided with a rotating hole (21) which is connected with the rotating shaft assembly (54) in an adapting mode, a positioning part (22) is arranged corresponding to the limiting holes (55), and the end face of the output shaft (2) facing away from the driving disc (5) is provided with an output part (23) which is connected with a moving contact of the switching device.

10. An operating mechanism for a switching device according to claim 1, further comprising at least one energy storage spring means (6) arranged on one side of the output shaft (2), said energy storage spring means (6) being arranged to store energy under the drive of the drive disc (5), the energy storage spring means (6) being arranged to store energy to a maximum value when said drive disc (5) is in a dead-centre position, and the energy storage spring means (6) being arranged to release energy to continue rotation of the drive disc (5) after the drive disc (5) has passed the dead-centre position to effect an independent manual operation.