CN217881210U - Transmission device of switch - Google Patents

Abstract

The utility model discloses a transmission of switch, which comprises a bracket, reciprocating mechanism, reversing mechanism and positioning mechanism, the device acquires the unidirectional force from the power supply through the slider, slider pushes up the connecting plate downwards, the connecting plate can push up the switching-over frid towards two directions in turn, and specific direction is by first, the second puts the piece decision partially, then exports for the switch by the swinging plate, thereby realize the two-way application of force to pushing away or drawing of switch, and still have the normal position holding power because of positioning mechanism's effect after the application of force is accomplished, move until next time. The whole device is small in size, is suitable for multiple configurations in a limited size space, and can provide contact holding force for a single-pole double-throw switch.

Description

Transmission device of switch

Technical Field

The utility model relates to an used switch field of electric power system protection, concretely relates to transmission of switch.

Background

The invention discloses a method for processing interphase short circuit of a single power supply or double power supply system, which aims at solving the problems of complicated operation, untimely time, inaccurate positioning and the like of the processing of interphase short circuit of the power supply system. In specific treatment, the operation of phase separation and line disconnection and connection with the earth or a public wire under a screen cabinet environment or an on-column environment is required, and the on-off mechanism for realizing the operation is provided by the invention patent applications 202110498257.4, 202111404606.8, 202111293259.6 and 202122898055.7. In these on-off mechanisms, a plurality of single-phase switches and single-pole double-throw switches are used, and these switches need corresponding driving mechanisms for driving. In particular, a single-pole double-throw switch adopts two vacuum bubbles, and a composite moving contact is in alternate contact with two fixed contacts through one composite moving contact, and a driving mechanism is in contact with the other fixed contact while separating the composite moving contact from the fixed contact and needs to maintain a certain contact force. The existing problems are that the screen cabinet and the on-column mechanism have size limitation, a plurality of power sources and transmission mechanisms are arranged in a small space to realize split-phase driving of a plurality of switches, and a certain contact force is maintained for the single-pole double-throw switch, so that the existing transmission mechanism is difficult to realize the requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a transmission of switch, this transmission is small, can give the switch with the transmission behind the power conversion direction of power supply output, can also keep certain contact force, thereby it realizes in finite space configuration a plurality of realization split-phase control and contact force keep to be fit for with the power supply cooperation.

In order to realize the purpose, the utility model discloses take following technical scheme:

a transmission device of a switch comprises a support, a reciprocating mechanism, a reversing mechanism and a positioning mechanism, wherein the reciprocating mechanism comprises a sliding block, a return spring, a connecting plate, a first biasing block and a second biasing block;

the reversing mechanism comprises a reversing groove plate, a swinging plate and a swinging plate support, the reversing groove plate is fixedly connected with a rotating shaft and rotatably mounted on the support, the reversing groove plate is provided with a sliding groove, the other end of the connecting plate is connected in the sliding groove in a sliding manner, the connecting plate can push the reversing groove plate to rotate in a reciprocating manner, the reversing groove plate is rotatably connected with the swinging plate, the swinging plate is rotatably supported on the swinging plate support, the reversing groove plate drives the swinging plate to swing around the swinging plate support when rotating in a reciprocating manner, the rotating shaft is fixedly connected with a reversing drive plate, the reversing drive plate is connected with a reversing dial plate, the reversing dial plate is rotatably mounted on the support, and the reversing dial plate is driven by the reversing drive plate in a reciprocating manner to enable the first deviation block and the second deviation block to alternately act on the connecting plate; the positioning mechanism comprises a positioning swing arm, the positioning swing arm is fixedly connected with the rotating shaft and is connected with a positioning slide rod in a sliding mode, the positioning slide rod is rotatably installed on the positioning support plate, and a positioning pressure spring is installed on the positioning slide rod.

Preferably, the support comprises a first side plate and a second side plate, the sliding block is arranged between the first side plate and the second side plate, the return spring is mounted on the first side plate and/or the second side plate, a slide way is arranged on the first side plate and/or the second side plate, and the sliding rod penetrates through the sliding block and the slide way to be connected with the return spring.

Preferably, the connecting plate is located between first curb plate and the second curb plate, first putting the piece of deviating from with the second and rotating respectively and installing first putting the piece of deviating from to the both sides of first curb plate and second curb plate and link to each other with the torsional spring, first putting the piece of deviating from to stretch out first tongue depressor between first curb plate and the second curb plate, the second puts the piece of deviating from to stretch out the second tongue depressor between first curb plate and the second curb plate, first tongue depressor can make the connecting plate deflects to second putting the piece direction, the second tongue depressor can make the connecting plate deflect to first putting the piece direction, is equipped with first protruding edge on one side of first putting the piece of deviating from, is equipped with the second protruding edge on one side of second putting the piece of deviating from, thereby the board can push up first protruding edge and make first tongue depressor keep away from the connecting plate, thereby the board can push up the second protruding edge and make the second tongue depressor keep away from the connecting plate.

Preferably, the reversing groove plates comprise a first groove plate and a second groove plate which are arranged in parallel, the sliding grooves are correspondingly arranged on the first groove plate and the second groove plate, the connecting plate is located between the first groove plate and the second groove plate and is slidably arranged on the sliding grooves through a first pin shaft, the swinging plates comprise a first swinging plate and a second swinging plate which are arranged in parallel, the first swinging plate and the second swinging plate are rotatably arranged on the first groove plate and the second groove plate through a second pin shaft, and the first groove plate and the second groove plate are further provided with push-pull rod connecting sleeves.

Preferably, a positioning sliding sleeve is arranged on the positioning swing arm, the hinged end of the positioning sliding rod is rotatably arranged on the first supporting plate and the second supporting plate through a fourth pin shaft and penetrates through the positioning sliding sleeve, and the positioning pressure spring is sleeved on the positioning sliding rod and is positioned between the hinged end and the positioning sliding sleeve.

Preferably, the positioning swing arm comprises a first swing arm and a second swing arm which are arranged in parallel, and the positioning sliding sleeve is arranged between the first swing arm and the second swing arm.

Preferably, the positioning swing arm comprises a first swing arm and a second swing arm which are arranged in parallel, and the positioning sliding sleeve is arranged between the first swing arm and the second swing arm.

Preferably, the slider is provided with a connecting hole for connecting with a power source.

In the scheme, the one-way force can be acquired from the power source through the sliding block, the sliding block pushes the connecting plate downwards, the connecting plate can push the reversing groove plate towards two directions in turn, the specific direction is determined by the first biasing block and the second biasing block, and then the swinging plate outputs the force to the switch, so that the two-way force application of pushing or pulling the switch is realized, and the original position holding force is also realized due to the action of the positioning mechanism after the force application is finished until the next action. The whole device is small in size, is suitable for multiple configurations in a limited size space, and can provide contact holding force for a single-pole double-throw switch. The transmission device can be used in cooperation with a unidirectional power source to obtain forces in two directions, and the number of coils (driven by electromagnetism) or air inlet assemblies (driven by air cylinders) can be reduced relative to the bidirectional power source.

Drawings

FIG. 1 is a schematic view showing the relationship between the present invention and a power source and a switch;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic view of the structure of the present invention;

FIG. 4 is a schematic sectional view of the present invention;

FIG. 5 is a perspective view of the positioning mechanism;

FIG. 6 is a schematic view of the positioning function of the positioning swing arm and the positioning slide bar;

FIG. 7 is a schematic view of the positioning swing arm and the positioning slide bar rotated to an intermediate state;

fig. 8 is a schematic perspective view of another angle of the present invention.

Detailed Description

The invention will be further explained by means of specific embodiments with reference to the accompanying drawings:

as shown in the figure, the transmission device of the switch is provided with a bracket 1, and a reciprocating mechanism, a reversing mechanism and a positioning mechanism are arranged on the bracket 1. In one embodiment, the bracket 1 comprises a first side plate 101 and a second side plate 102, a platform 103 is disposed on top of the first side plate 101 and the second side plate 102, a through hole 108 is disposed on the platform, and the platform 103 is used for disposing a power source 104, such as an electromagnetic driving mechanism.

The reciprocating mechanism comprises a sliding block 2, a connecting plate 3, a return spring 4, a first deviation block 5 and a second deviation block 6, the sliding block 2 is positioned between a first side plate 101 and a second side plate 102 and can slide up and down, a connecting hole 201 is formed in the sliding block 2, and the sliding block 2 can be connected with a power source 104 through a through hole 108 through the connecting hole 201, so that the power source 104 can push the sliding block 2 to move downwards. The slider 2 is provided with a through hole 202, a sliding rod 203 is fixedly arranged on the through hole 202, the sliding rod 203 respectively penetrates through the sliding way 104 on the first side plate 101 and the sliding way 106 on the second side plate 102 towards two sides to be connected with the return springs 4 arranged on the two sides, and the return springs 4 can enable the slider to move upwards to be reset. The connecting plate 3 is located between the first side plate 101 and the second side plate 102, and the upper end of the connecting plate is hinged to the slider 2 through a pin 301, that is, the connecting plate 3 can move up and down with the slider 2 and rotate relative to the slider 2. A first offset block 5 is mounted on one side of the first side plate 101 and the second side plate 102 via a pin 501, and a second offset block 6 is mounted on the other side via a pin 601. The first biasing piece 5 is buckled on the first side plate 101 and the second side plate 102 in a U-shape, and a first tongue 502 extends downwards between the first side plate 101 and the second side plate 102, and the first biasing piece 5 is provided with a first convex edge 503 at one side. The second biasing piece 6 is U-shaped and clasped on the first side plate 101 and the second side plate 102, and a second tongue 602 projects downward between the first side plate 101 and the second side plate 102, leaving a second flange 603 on one side of the second biasing piece 6. The first biasing piece 5 and the second biasing piece 6 are each provided with a torsion spring 7 so that the first biasing piece 5 and the second biasing piece 6 have a force to be attached to the first side plate 101 and the second side plate 102. The first tongue 502 and the second tongue 602 can push against the connecting plate 3, and the first tongue 502 can deflect the connecting plate 3 toward the second tongue 602 (at this time, the second tongue 602 is pushed open and does not act on the connecting plate 3), and the second tongue 602 can also deflect the connecting plate 3 toward the first tongue 502 (at this time, the first tongue 502 is pushed open and does not act on the connecting plate 3, as shown in fig. 3 and 4), if the first tongue 502 and the second tongue 602 push against the connecting plate 3 alternately, the connecting plate 3 will deflect toward the left and right sides alternately and deviate from the moving direction of the slider 2.

The reversing mechanism comprises a reversing slot plate 8, a swinging plate 9 and a swinging plate support 10. In one embodiment, the reversing slot plate 8 includes a first slot plate 801 and a second slot plate 802, both of which are provided with a sliding slot 808, the connecting plate 3 is inserted into the sliding slot 808 through a first pin 302 and can swing in the sliding slot 808, a rotating shaft 803 is fixedly connected below the first slot plate 801 and the second slot plate 802, the rotating shaft 803 has a spline shaft and the like, the rotating shaft 803 penetrates through the first side plate 101 and the second side plate 102 towards both sides, that is, the first slot plate 801 and the second slot plate 802 can drive the rotating shaft 803 to rotate on the first side plate 101 and the second side plate 102. One end of the first slot plate 801 and one end of the second slot plate 802 are connected with the swing plate 9 through a second pin shaft 804, the middle part of the swing plate 9 is supported on a swing plate support 10 through a pin shaft 11, and the reversing slot plate 8 drives the swing plate 9 to swing around the swing plate support 10 when rotating in a reciprocating manner. In one embodiment, the swing plate 9 includes a first swing plate 901 and a second swing plate 902 arranged in parallel, a push-pull rod connecting sleeve 12 is interposed between one end of the first swing plate 901 and one end of the second swing plate 902, and the push-pull rod connecting sleeve 12 can be connected to a push-pull rod of a switch, so that the switch is opened or closed by pulling up or down the push-pull rod, and for a single-pole double-throw switch, the composite moving contact can be separated from the first fixed contact and contacted with the second fixed contact. A reversing dial plate 13 is arranged on one side of the second side plate 102, the reversing dial plate 13 is fixedly arranged on the rotating shaft 803 and can rotate back and forth along with the rotating shaft 803, a transmission handle 14 is arranged on the reversing dial plate 13, a reversing dial plate 16 is also arranged on the second side plate 102 through the rotating shaft 15, one end of the reversing dial plate 16 is provided with an opening 17, the transmission handle 14 is positioned in the opening 17, thus the reversing dial plate 16 can be driven to rotate back and forth when the reversing dial plate 13 rotates back and forth, the other end of the reversing dial plate 16 is contacted with a first convex edge 503 of the first deflection block 5 and a second convex edge 603 of the second deflection block 6, the first deflection block 5 and the second deflection block 6 can be alternatively pushed away when the reversing dial plate 13 rotates back and forth, and the first pressing tongue 502 or the second pressing tongue 602 can not push and deflect the connecting plate.

The positioning mechanism comprises a positioning swing arm 18, the positioning swing arm 18 is fixedly connected with a rotating shaft 803 and can rotate along with the rotating shaft 803, the positioning swing arm 18 is further connected with a positioning slide rod 19 in a sliding manner, a hinged end 27 of the positioning slide rod 19 is rotatably installed on a positioning support plate 20 through a pin shaft 28, and a positioning pressure spring 21 is sleeved on the positioning slide rod 19. In a preferred embodiment, the positioning swing arm 18 includes a first swing arm 24 and a second swing arm 25 which are arranged in parallel, a positioning sliding sleeve 26 is provided on the first swing arm 24 and the second swing arm 25, one end of the positioning sliding rod 19 is disposed on the positioning sliding sleeve 26, and the positioning compression spring 21 is disposed between the positioning sliding sleeve 26 and the hinge end 27. When the rotating shaft 803 rotates, the positioning swing arm 18 is driven to rotate, the positioning slide rod 19 swings, and the positioning compression spring 21 is compressed until the positioning compression spring is stretched and restored after the rotation is completed (the middle state of the rotation is shown in fig. 7). Due to the pushing action of the positioning pressure spring 21, the positioning swing arm 18 and the rotating shaft 803 are kept at the positions after the rotation is finished, and the rotating shaft 803 and the positioning swing arm 18 are not changed in position until the sliding block 2 drives the connecting plate 3 to push the reversing slot plate 8 to rotate again under the action of the power source, so that the contact force for keeping the contact between the moving contact and the fixed contact of the switch is actually provided before the position is changed.

When the transmission device works, the power source 104 is arranged on the platform 103, and a power output rod of the power source 104 is connected with the slide block 2 through the through hole 108 and can push the slide block 2 downwards. Assuming that the state shown in fig. 1 is an initial state (the slider is located at an initial position, the return spring is in a natural state, the first biasing block 5 is pushed open by the reversing lever 16 and does not act on the connecting plate 3, the second biasing block 6 biases the connecting plate 3 to the left, and the lower end of the connecting plate 3 is located above the left of the sliding slot 808), the slider 2 moves downward to push the connecting plate 3 against the reversing slot plate 8 in the left-down direction (while the return spring 4 is stretched), the reversing slot plate 8 rotates counterclockwise under the pushing of the connecting plate 3, and the other end of the corresponding reversing slot plate 8 is lifted to lift the left end of the swinging plate 9, so the right end of the swinging plate 9 moves downward, and the push-pull rod of the switch moves downward through the push-pull rod connecting sleeve 12 to open the switch (which may be switched on; or the composite moving contact leaves the first fixed contact and makes contact with the second fixed contact), at this time, the upper end of the reversing lever 16 leaves the first biasing block 5 to push open the second biasing block 6, and the first biasing block 5 starts to push the connecting plate 3 under the action of the connecting plate 7, and at the same time, the swing arm 18 and the positioning action of the positioning spring 21 and the positioning of the positioning slide rod 21; when the stroke of the power output rod of the power source 104 is finished, force is lost, the sliding block 2 moves upwards under the action of the return spring 4, the connecting plate 3 moves upwards along with the sliding block 2 (in the process, the connecting plate 3 is pushed by the first biasing block to be biased towards the right side), the lower end of the connecting plate 3 slides upwards in the sliding groove 808 of the reversing chute plate 8 until the sliding block 2 resets (at this time, the lower end of the connecting plate 3 is located at the upper right end of the sliding groove 808), and at this time, the reversing chute plate 8 is located by the locating mechanism and then keeps still. When the sliding block 2 moves downwards again, the pushing connecting plate 3 moves towards the right and downwards direction, and finally the reversing groove plate 8 rotates reversely to the above, so that the push-pull rod of the switch moves upwards to realize switch-on (also can be switch-off; or the composite moving contact leaves the second fixed contact and contacts with the first fixed contact), the reversing shifting plate 16 turns to the transposition again to release the second biasing block 6 and push the first biasing block 5 open, meanwhile, the positioning swing arm 18 and the positioning slide rod 19 rotate to reverse and keep the position, after the power source 104 loses force, the sliding block 2 drives the connecting plate 3 to ascend and reset, in the process, the second biasing block 6 continuously pushes the connecting plate 3 to deflect towards the left, the reversing groove plate 8 is positioned and kept still by the positioning mechanism, and then the initial state is returned. The process is repeated for subsequent jobs.

The above embodiments are merely illustrative of the concept and implementation of the present invention, and are not intended to be limiting, and the technical solutions without substantial changes are still within the protection scope under the concept of the present invention.

Claims (7)

1. The utility model provides a transmission of switch, includes support, reciprocating mechanism, reversing mechanism and positioning mechanism, its characterized in that:

the reciprocating mechanism comprises a sliding block, a return spring, a connecting plate, a first biasing block and a second biasing block, the sliding block is mounted on the support and connected with the return spring, one end of the connecting plate is rotatably connected with the sliding block and can reciprocate along with the sliding block, and the first biasing block and the second biasing block are mounted on the support and can enable the connecting plate to deviate from the movement direction of the sliding block towards two sides alternately;

the reversing mechanism comprises a reversing groove plate, a swinging plate and a swinging plate support, the reversing groove plate is fixedly connected with a rotating shaft and rotatably mounted on the support, the reversing groove plate is provided with a sliding groove, the other end of the connecting plate is connected in the sliding groove in a sliding manner, the connecting plate can push the reversing groove plate to rotate in a reciprocating manner, the reversing groove plate is rotatably connected with the swinging plate, the swinging plate is rotatably supported on the swinging plate support, the reversing groove plate drives the swinging plate to swing around the swinging plate support when rotating in a reciprocating manner, the rotating shaft is fixedly connected with a reversing drive plate, the reversing drive plate is connected with a reversing dial plate, the reversing dial plate is rotatably mounted on the support, and the reversing dial plate is driven by the reversing drive plate in a reciprocating manner to enable the first deviation block and the second deviation block to alternately act on the connecting plate;

the positioning mechanism comprises a positioning swing arm, the positioning swing arm is fixedly connected with the rotating shaft and is connected with a positioning slide rod in a sliding mode, the positioning slide rod is rotatably installed on the positioning support plate, and a positioning pressure spring is installed on the positioning slide rod.

2. The switch transmission device according to claim 1, wherein the bracket comprises a first side plate and a second side plate, the sliding block is arranged between the first side plate and the second side plate, the return spring is arranged on the first side plate and/or the second side plate, a slide way is arranged on the first side plate and/or the second side plate, and the sliding rod passes through the sliding block and the slide way to be connected with the return spring.

3. The switch actuator of claim 2 wherein the connecting plate is disposed between the first and second side plates, the first and second biasing members are pivotally mounted on opposite sides of the first and second side plates and are connected to the torsion spring, the first biasing member extends a first biasing tongue between the first and second side plates, the second biasing member extends a second biasing tongue between the first and second side plates, the first biasing tongue biases the connecting plate in a direction toward the second biasing member, the second biasing tongue biases the connecting plate in a direction toward the first biasing member, the first biasing member has a first ledge on one side thereof, the second biasing member has a second ledge on one side thereof, the reversing lever is adapted to push the first ledge away from the connecting plate, and the reversing lever is adapted to push the second ledge away from the connecting plate.

4. The transmission device of the switch according to claim 2 or 3, wherein the reversing slot plate comprises a first slot plate and a second slot plate which are arranged in parallel, the sliding slots are correspondingly arranged on the first slot plate and the second slot plate, the connecting plate is positioned between the first slot plate and the second slot plate and is slidably mounted on the sliding slots through a first pin shaft, the swinging plate comprises a first swinging plate and a second swinging plate which are arranged in parallel, the first swinging plate and the second swinging plate are rotatably mounted on the first slot plate and the second slot plate through a second pin shaft, and a push-pull rod connecting sleeve is further arranged on the first slot plate and the second slot plate.

5. The transmission device of the switch according to claim 1, wherein a positioning sliding sleeve is provided on the positioning swing arm, the hinged end of the positioning sliding rod is rotatably mounted on the first supporting plate and the second supporting plate through a fourth pin shaft and penetrates through the positioning sliding sleeve, and the positioning compression spring is sleeved on the positioning sliding rod and is positioned between the hinged end and the positioning sliding sleeve.

6. The switch actuator of claim 5, wherein the positioning swing arm comprises a first swing arm and a second swing arm arranged in parallel, and the positioning sliding sleeve is arranged between the first swing arm and the second swing arm.

7. The transmission of a switch according to claim 5, wherein said slider is provided with a connection hole for connection to a power source.

Images