CN219575537U - Free tripping structure for rotary isolating switch - Google Patents
Free tripping structure for rotary isolating switch Download PDFInfo
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- CN219575537U CN219575537U CN202321302406.6U CN202321302406U CN219575537U CN 219575537 U CN219575537 U CN 219575537U CN 202321302406 U CN202321302406 U CN 202321302406U CN 219575537 U CN219575537 U CN 219575537U
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Abstract
The utility model belongs to the technical field of rotary isolating switches, and particularly relates to a free tripping structure for a rotary isolating switch, wherein the rotary isolating switch comprises a switch assembly consisting of a knob and a plurality of switch units, and the free tripping structure is connected between the knob and the switch assembly; the free tripping structure comprises a mechanism bracket and a multi-link mechanism with an energy storage part, wherein the plane multi-link mechanism with the energy storage part comprises a crank arm, an upper link, a lower link, an output rotating wheel, a tripping piece, a locking piece, an energy storage spring and a plurality of hinge shafts, wherein the hinge shafts are arranged along a first direction in an extending manner; the energy storage springs are provided with at least two, the telescopic axes of the at least two energy storage springs are arranged in parallel and are positioned on a first plane, and the first plane is perpendicular to the first direction A. According to the utility model, the energy storage springs are arranged in parallel, so that the mounting thickness required by the energy storage springs can be reduced while the tripping driving force is ensured, and the overall thickness of the free tripping mechanism is reduced.
Description
Technical Field
The utility model belongs to the technical field of rotary isolating switches, and particularly relates to a free tripping structure for a rotary isolating switch.
Background
The free tripping device comprises a five-bar mechanism, is generally used in a molded case circuit breaker, realizes opening and closing operation and free tripping and opening for the purposes of short-circuit instantaneous protection, overload protection and the like, is not associated with an operating handle in the action process, and ensures safe and controllable opening and closing control.
The rotary isolating switch generally comprises a switch assembly composed of a knob and a switch unit which is arranged in a multi-layer lamination manner, and the structure disclosed in a patent CN 202220055056.7 in the prior art is used for applying a free tripping mechanism in a molded case circuit breaker to the rotary isolating switch, so that the power transmission from the knob to a movable contact in the switch assembly and the free tripping and opening of the action of the movable contact are realized.
Then, the free tripping mechanism in the prior art has larger overall thickness, is arranged between the knob and the switch assembly, and has larger influence on the size of the whole rotary isolating switch.
Disclosure of Invention
The utility model aims to overcome the defects and shortcomings in the prior art and provides a free tripping structure for a rotary isolating switch.
The technical scheme adopted by the utility model is as follows: the free tripping structure is used for a rotary isolating switch, the rotary isolating switch comprises a switch assembly consisting of a knob and a plurality of switch units, and the free tripping structure is connected between the knob and the switch assembly;
the free tripping structure comprises a mechanism bracket and a multi-link mechanism with an energy storage part, wherein the plane multi-link mechanism with the energy storage part is fixed in the mechanism bracket, and comprises a crank arm, an upper link, a lower link, an output rotating wheel, a tripping member, a locking member, an energy storage spring and a plurality of hinge shafts, wherein the hinge shafts are arranged along a first direction in an extending manner;
the energy storage springs are provided with at least two energy storage springs, the telescopic axes of the at least two energy storage springs are arranged in parallel and are positioned on a first plane, and the first plane is perpendicular to the first direction A.
The crank arm is hinged on the mechanism bracket through an o hinge shaft, and the outer end of the crank arm, which is far away from the o hinge shaft, forms a driving part for being in transmission fit with a knob of the rotary isolating switch, and the crank arm can be driven by the driving part to rotate by taking the o hinge shaft as a circle center;
the jump fastener is hinged on the mechanism bracket at the position of the hinge axis a, the upper connecting rod is hinged with the jump fastener at the position of the hinge axis b, the lower connecting rod is hinged with the upper connecting rod at the position of the hinge axis c, the output rotating wheel is hinged on the mechanism bracket at the position of the hinge axis o and is hinged with the lower connecting rod at the position of the hinge axis d,
the locking piece is hinged with the mechanism support and is matched with the jump buckle piece, and the locking piece is in a locking state for storing energy of the energy storage spring and in a tripping state for enabling the energy storage spring to release energy.
And two ends of the energy storage spring are respectively hinged on an e hinge shaft of the crank arm and a c hinge shaft between the upper connecting rod and the lower connecting rod.
Two ends of the at least two energy storage springs are respectively connected through a first connecting piece and a second connecting piece, the first connecting piece is hinged with the crank arm at the e hinge shaft, and the second connecting piece is hinged at the c hinge shaft.
The second connecting piece is in a flat plate shape parallel to the first plane, and the second connecting piece is provided with second connecting parts with the same quantity as the energy storage springs and first c hinge shaft hinge holes for the c hinge shafts to pass through.
The crank arm is provided with two first hinged side plates which are arranged at a certain interval and parallel to a first plane, and a first o-hinge shaft hinge hole for the o-hinge shaft to pass through and a second e-hinge shaft hinge hole for the e-hinge shaft to pass through are formed in the first hinged side plates; the jump buckle is provided with a flat jump buckle main board parallel to the first plane, and the jump buckle main board is provided with a first a hinge shaft hinge hole for the a hinge shaft to pass through, a first b hinge shaft hinge hole for the b hinge shaft to pass through and a buckling part matched with the buckle part; the upper connecting rod is in a plate shape parallel to the first plane, and is provided with a second b hinge shaft hinge hole for a b hinge shaft to pass through and a second c hinge shaft hinge hole for a c hinge shaft to pass through, which are separated by a certain distance; the lower connecting rod is provided with two second hinged side plates which are arranged at a certain interval and parallel to the first plane, and a third c hinge shaft hinge hole for a c hinge shaft to pass through and a first d hinge shaft hinge hole for a d hinge shaft to pass through are arranged on the second hinged side plates;
the c hinge shaft sequentially passes through a third c hinge shaft hinge hole of one second hinge side plate, the first c hinge shaft hinge hole, a third c hinge shaft hinge hole of the other second hinge side plate and the second c hinge shaft hinge hole.
And c, on the axis position of the hinge shaft, a first hinge side plate, a second connecting piece, another second hinge side plate, an upper connecting rod, a jump buckle main plate and another first hinge side plate are sequentially stacked.
The first hinged side plate extends inwards to form a second pushing plate matched with the jump buckle main plate, and a reset pushing part matched with the second pushing plate is arranged on the jump buckle main plate.
Two first articulated curb plate one sides are connected through the side connecting plate, the punching press is bent on the side connecting plate and is formed first push plate, first push plate is used for making rotatory rotation can drive the turning arm and rotate in closing position and separating brake position with knob transmission cooperation.
The output rotating wheel is provided with an arc motion output end of a planar multi-link mechanism with an energy storage part, the arc motion output end is a connecting hole, the mechanism support is provided with two mechanism side plates which are oppositely arranged and parallel to a first plane, and the motion trail of the corresponding arc motion output end on the two mechanism side plates is provided with an arc through hole.
The beneficial effects of the utility model are as follows: according to the utility model, the energy storage springs are arranged in parallel, so that the mounting thickness required by the energy storage springs can be reduced while the tripping driving force is ensured, and the overall thickness of the free tripping mechanism is reduced.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that it is within the scope of the utility model to one skilled in the art to obtain other drawings from these drawings without inventive faculty.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is an exploded view of one embodiment of the present utility model;
FIG. 3 is a schematic diagram of an action state of a lever according to an embodiment of the present utility model, (a) being in a brake-off state, and (b) being in a brake-on state;
fig. 4 is a schematic state diagram of a multi-link mechanism in an embodiment of the present utility model, (a) is a trip brake-separating, (b) is an energy-storing brake-separating, (c) is an energy-storing brake-closing, and (d) is a link structure diagram of the trip in a brake-closing state;
FIG. 5 is a schematic diagram of a lever according to an embodiment of the present utility model;
FIG. 6 is a schematic diagram of a jump button according to an embodiment of the present utility model;
FIG. 7 is a schematic view of an upper link according to an embodiment of the present utility model;
FIG. 8 is a schematic view of a lower link according to an embodiment of the present utility model;
FIG. 9 is a schematic diagram of an output wheel according to an embodiment of the present utility model;
FIG. 10 is a schematic diagram illustrating the mating structure of the energy storage spring with the first connecting member and the second connecting member according to an embodiment of the present utility model;
FIG. 11 is a schematic diagram showing the mating structure of the first connector and the second connector according to an embodiment of the present utility model;
FIG. 12 is a schematic side view of a multi-bar linkage in accordance with one embodiment of the present utility model;
in the figure, a mechanism bracket-1; a mechanism side plate-101; arc-shaped groove-102; a crank arm-2; a first hinged side panel-201; a first o hinge shaft hinge hole-2011; a second e-hinge shaft hinge hole-2012; a side connection plate-202; a first pusher plate-203; a second pusher plate-204; an upper connecting rod-3; a second b hinge shaft hinge hole-301; a second c-hinge shaft hinge hole-302; a lower connecting rod-4; a second hinged side panel-401; a third c hinge shaft hinge hole-402; a first d hinge shaft hinge hole-403; an output rotating wheel-5; a second d hinge shaft hinge hole-501; a second o-hinge shaft hinge hole-502; a connection hole-503; a jump fastener-6; a trip button main board-601; a first a hinge shaft hinge hole-6011; a first b hinge shaft hinge hole-6012; l-shaped reinforcing plate-602; a second a hinge shaft hinge hole-6021; a reset pushing part-6013; a fastening part-6014; a catch piece-7; an energy storage spring-8; a first connector-9; a first connection portion-901; a first e-hinge shaft hinge hole-902; a second connector-10; a second connection portion-1001; first c hinge shaft hinge hole-1002.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.
It should be noted that, in the embodiments of the present utility model, all the expressions "first" and "second" are used to distinguish two entities with the same name but different entities or different parameters, and it is noted that the "first" and "second" are only used for convenience of expression, and should not be construed as limiting the embodiments of the present utility model, and the following embodiments are not described one by one.
The terms of direction and position in the present utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer only to the direction or position of the drawing. Accordingly, directional and positional terms are used to illustrate and understand the utility model and are not intended to limit the scope of the utility model.
The utility model provides a free tripping structure for rotary isolating switch, rotary isolating switch includes the switch module that knob and a plurality of switch unit constitute, free tripping structure connects between knob and switch module.
As shown in fig. 1-2, the free tripping structure comprises a mechanism bracket 1 and a plane multi-link mechanism with an energy storage part, wherein the plane multi-link mechanism with the energy storage part is fixed in the mechanism bracket 1, and specifically, the plane multi-link mechanism with the energy storage part comprises a crank arm 2, an upper link 3, a lower link 4, an output rotating wheel 5, a jump fastener 6, a lock fastener 7, an energy storage spring 8 and a plurality of hinge shafts, wherein the hinge shafts are arranged along a first direction a in an extending way.
The crank arm 2 is hinged on the mechanism bracket 1 through an o hinge shaft, the outer end of the crank arm, which is far away from the o hinge shaft, forms a driving part, and the crank arm 2 can be driven by the driving part to rotate by taking the o hinge shaft as a circle center; which is adapted to be in driving engagement with a knob of a rotary isolating switch. The jump fastener 6 is hinged on the mechanism support 1 at an a hinge shaft, the upper connecting rod 3 is hinged with the jump fastener 6 at a b hinge shaft, the lower connecting rod 4 is hinged with the upper connecting rod 3 at a c hinge shaft, the output rotating wheel 5 is hinged on the mechanism support 1 at an o hinge shaft and hinged with the lower connecting rod 4 at a d hinge shaft, and the lock fastener 7 is hinged with the mechanism support 1 and is matched with the jump fastener 6 to have a locking state and a release state. Two ends of the energy storage spring 8 are respectively hinged on an e hinge shaft of the crank arm 2 and a c hinge shaft between the upper connecting rod 3 and the lower connecting rod 4.
As shown in fig. 4 (a), in the tripped state, the trip element 6 is rotatable relative to the a hinge shaft, the trip element 6, the upper link 3, the lower link 4 and the output runner 5 are formed between the planar five-link structure (ab-bc-cd-do-oa), when the trip element 6 is driven to form the locked state with the trip element 7, as shown in fig. 4 (b) and (c), the trip element 6 is non-rotatable relative to the a hinge shaft, that is, the ab hinge shaft is non-movable, the four-link structure (bc-cd-do-ob) is formed between the upper link 3, the lower link 4 and the output runner 5, while the energy storage spring 8 stores energy, the turning lever 2 and the c hinge shaft are driven by the energy storage spring 8 storing energy, the turning lever 2 can move the c hinge shaft, the b hinge shaft and the o hinge shaft are fixed, and the d hinge shaft can move, so that the four-link structure (bc-cd-do-ob) can switch between the open state shown in fig. 4 (b) and the closed state shown in fig. 4 (c), and the output runner is rotated about the o hinge shaft.
In the closing state shown in fig. 4 (c), when the latch 7 rotates to release the locking effect on the latch 6, the ab hinge shaft becomes rotatable again, and returns to the five-link structure (ab-bc-cd-do-oa) as shown in fig. 4 (d), and the trip is opened to the position shown in fig. 4 (a) under the pulling action of the energy storage spring 8.
In the process, the tension formed after the energy storage of the energy storage spring 8 is the driving force for driving the moving contact of the switch assembly to open, so that the tension of the energy storage spring 8 has certain requirements. Conventionally, the energy storage spring 8 is provided with one piece, two ends are respectively hooked and fixed, and the driving force achieved by releasing energy of the spring is directly related to the diameter of the energy storage spring 8, so that the thickness space required by the energy storage spring 8 which is conventionally provided is large.
In this embodiment, the energy storage springs 8 are provided with at least two energy storage springs 8, and the telescopic axes of the at least two energy storage springs 8 are arranged in parallel and located on a first plane, where the first plane is perpendicular to the first direction a. Two ends of at least two energy storage springs 8 are respectively connected through a first connecting piece 9 and a second connecting piece 10, the first connecting piece 9 is hinged with the crank arm 2 at an e hinge shaft, and the second connecting piece 10 is hinged at a c hinge shaft. In this embodiment, the energy storage springs 8 are arranged in at least two parallel arrangements, so that the required installation thickness of the energy storage springs 8 can be reduced while the tripping driving force is ensured. The number of the energy storage springs 8 is two in the figure, and more energy storage springs 8 can be arranged according to actual needs.
Further, as shown in fig. 11, the first connecting piece 9 is in a shape of a flat plate parallel to the first plane, the first connecting piece 9 is provided with first connecting portions 901 having the same number as the energy storage springs 8 and first e hinge shaft hinge holes 902 through which the e hinge shafts pass, the second connecting piece 10 is in a shape of a flat plate parallel to the first plane, and the second connecting piece 10 is provided with second connecting portions 1001 having the same number as the energy storage springs 8 and first c hinge shaft hinge holes 1002 through which the c hinge shafts pass. This reduces the required mounting thickness of the first and second connection members 9, 10. The first connection portion 901 and the second connection portion 1001 may be through holes as shown in the drawing.
As shown in fig. 5, the lever 2 has two first hinged side plates 201 parallel to a first plane and arranged at a certain interval, and a side connection plate 202 connected to one side of the two first hinged side plates 201, a first o hinge shaft hinge hole 2011 through which an o hinge shaft passes and a second e hinge shaft hinge hole 2012 through which an e hinge shaft passes are formed on the first hinged side plates 201, a first pushing plate 203 is formed by punching and bending the side connection plate 202, and the first pushing plate 203 is used for being matched with a knob in a transmission manner to enable the rotary rotation to drive the lever 2 to rotate at a closing position and a separating position as shown in fig. 3. The first hinged side plate 201 is further provided with a second pushing plate 204, and the second pushing plate 204 is used for being matched with the latch 6, and in the process that the crank arm 2 rotates from the closing position to the opening position, the latch 6 in the releasing position is driven to rotate to a locking position matched with the latch 7, namely, the position shown in fig. 4 (a) and the position shown in fig. 4 (b). As shown in fig. 6, the snap fastener 6 has a flat plate-shaped snap main plate 601 parallel to the first plane, and an L-shaped reinforcing plate 602 connected to one side of the snap main plate 601, wherein the snap main plate 601 is provided with a first a hinge hole 6011 through which an a hinge passes, a first b hinge hole 6012 through which a hinge passes, a reset pushing part 6013 matched with the second pushing plate 204, and a fastening part 6014 matched with the fastener 7, the L-shaped reinforcing plate 602 is provided with a second a hinge hole 6021 concentrically arranged with the first a hinge hole 6011, and the a hinge passes through the first a hinge hole 6011 and the second a hinge hole 6021 in sequence, so that the snap fastener 6 is connected more stably.
In the state of releasing the trip, the crank arm 2 is rotated in the trip direction, and the second pushing plate 204 pushes the reset pushing part 6013, so that the trip 6 is reset and the energy storage spring 8 stores energy.
As shown in fig. 7, the upper link 3 has a plate shape parallel to the first plane, and is provided with a second b hinge shaft hinge hole 301 for passing the b hinge shaft and a second c hinge shaft hinge hole 302 for passing the c hinge shaft, which are spaced apart from each other; as shown in fig. 8, the lower link 4 has two second hinge side plates 401 parallel to the first plane and spaced apart from each other, the spacing between the two second hinge side plates 401 is greater than the thickness of the second link 10, the second hinge side plates 401 are provided with a third c hinge shaft hinge hole 402 through which a c hinge shaft passes and a first d hinge shaft hinge hole 403 through which a d hinge shaft passes, the second link 10 is sandwiched between the second hinge side plates 401, and the upper link 3 is located outside one second hinge side plate 401, so that the c hinge shaft is a third c hinge shaft hinge hole 402, a first c hinge shaft hinge hole 1002, a third c hinge shaft hinge hole 402, and a second c hinge shaft hinge hole 302 sequentially passing through one second hinge side plate 401. As shown in fig. 9, the output wheel 5 has a flat plate-like structure parallel to the first plane, and has a second d-axis hinge hole 501 through which the d-axis hinge passes, and a second o-axis hinge hole 502 through which the o-axis hinge passes. The output wheel 5 is shown disposed between two second hinged side plates 401.
As shown in fig. 12, on the axis position where the c hinge shaft is located, a first hinge side plate 201, a second hinge side plate 401, a second connector 10, another second hinge side plate 401, an upper connecting rod 3, a trip main plate 601, and another first hinge side plate 201 are sequentially stacked, an energy storage spring 8 is disposed between the first hinge side plate 201 and the upper connecting rod 3, the first hinge side plate 201, the second hinge side plate 401, the second connector 10, and the upper connecting rod 3 can be made as thin as possible on the premise of ensuring the strength, and the energy storage spring 8 can reduce the thickness space required for installing the energy storage spring 8 by increasing the number of the energy storage springs 8 on the premise of ensuring the opening driving force, so that the overall thickness is greatly reduced compared with that of a conventional free tripping mechanism.
The f point on the output rotating wheel 5, which is separated from the o hinge shaft by a certain distance, forms an arc motion output end of the plane multi-link mechanism with the energy storage part, the f point on the output rotating wheel 5 is provided with a connecting hole 503, the mechanism bracket 1 is provided with two oppositely arranged mechanism side plates 101 parallel to the first plane, and the motion trail of the corresponding f point on the two mechanism side plates 101 is provided with an arc through hole 102. The arc motion output end and the switch components are matched to form the opening and closing driving output of the free tripping structure, and a group of switch components can be connected on one mechanism side plate 101 or a group of switch components can be respectively connected on two mechanism side plates 101 according to the requirement.
The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.
Claims (10)
1. The free tripping structure is used for a rotary isolating switch, the rotary isolating switch comprises a switch assembly consisting of a knob and a plurality of switch units, and the free tripping structure is connected between the knob and the switch assembly;
the free tripping structure comprises a mechanism bracket and a multi-link mechanism with an energy storage part, wherein the plane multi-link mechanism with the energy storage part is fixed in the mechanism bracket, and comprises a crank arm, an upper link, a lower link, an output rotating wheel, a tripping member, a locking member, an energy storage spring and a plurality of hinge shafts, wherein the hinge shafts are arranged along a first direction in an extending manner;
the method is characterized in that: the energy storage springs are provided with at least two energy storage springs, the telescopic axes of the at least two energy storage springs are arranged in parallel and are positioned on a first plane, and the first plane is perpendicular to the first direction A.
2. The trip free structure for a rotary isolation switch of claim 1, wherein: the crank arm is hinged on the mechanism bracket through an o hinge shaft, and the outer end of the crank arm, which is far away from the o hinge shaft, forms a driving part for being in transmission fit with a knob of the rotary isolating switch, and the crank arm can be driven by the driving part to rotate by taking the o hinge shaft as a circle center;
the jump fastener is hinged on the mechanism bracket at the position of the hinge axis a, the upper connecting rod is hinged with the jump fastener at the position of the hinge axis b, the lower connecting rod is hinged with the upper connecting rod at the position of the hinge axis c, the output rotating wheel is hinged on the mechanism bracket at the position of the hinge axis o and is hinged with the lower connecting rod at the position of the hinge axis d,
the locking piece is hinged with the mechanism support and is matched with the jump buckle piece, and the locking piece is in a locking state for storing energy of the energy storage spring and in a tripping state for enabling the energy storage spring to release energy.
3. The trip free structure for a rotary isolation switch of claim 2, wherein: and two ends of the energy storage spring are respectively hinged on an e hinge shaft of the crank arm and a c hinge shaft between the upper connecting rod and the lower connecting rod.
4. A trip free structure for a rotary disconnect switch as defined in claim 3, wherein: two ends of the at least two energy storage springs are respectively connected through a first connecting piece and a second connecting piece, the first connecting piece is hinged with the crank arm at the e hinge shaft, and the second connecting piece is hinged at the c hinge shaft.
5. The trip free structure for a rotary isolation switch of claim 4, wherein: the second connecting piece is in a flat plate shape parallel to the first plane, and the second connecting piece is provided with second connecting parts with the same quantity as the energy storage springs and first c hinge shaft hinge holes for the c hinge shafts to pass through.
6. The trip free structure for a rotary isolation switch of claim 5, wherein: the crank arm is provided with two first hinged side plates which are arranged at a certain interval and parallel to a first plane, and a first o-hinge shaft hinge hole for the o-hinge shaft to pass through and a second e-hinge shaft hinge hole for the e-hinge shaft to pass through are formed in the first hinged side plates; the jump buckle is provided with a flat jump buckle main board parallel to the first plane, and the jump buckle main board is provided with a first a hinge shaft hinge hole for the a hinge shaft to pass through, a first b hinge shaft hinge hole for the b hinge shaft to pass through and a buckling part matched with the buckle part; the upper connecting rod is in a plate shape parallel to the first plane, and is provided with a second b hinge shaft hinge hole for a b hinge shaft to pass through and a second c hinge shaft hinge hole for a c hinge shaft to pass through, which are separated by a certain distance; the lower connecting rod is provided with two second hinged side plates which are arranged at a certain interval and parallel to the first plane, and a third c hinge shaft hinge hole for a c hinge shaft to pass through and a first d hinge shaft hinge hole for a d hinge shaft to pass through are arranged on the second hinged side plates;
the c hinge shaft sequentially passes through a third c hinge shaft hinge hole of one second hinge side plate, the first c hinge shaft hinge hole, a third c hinge shaft hinge hole of the other second hinge side plate and the second c hinge shaft hinge hole.
7. The trip free structure for a rotary isolation switch of claim 6, wherein: and c, on the axis position of the hinge shaft, a first hinge side plate, a second connecting piece, another second hinge side plate, an upper connecting rod, a jump buckle main plate and another first hinge side plate are sequentially stacked.
8. The trip free structure for a rotary isolation switch of claim 6, wherein: the first hinged side plate extends inwards to form a second pushing plate matched with the jump buckle main plate, and a reset pushing part matched with the second pushing plate is arranged on the jump buckle main plate.
9. The trip free structure for a rotary isolation switch of claim 6, wherein: two first articulated curb plate one sides are connected through the side connecting plate, the punching press is bent on the side connecting plate and is formed first push plate, first push plate is used for making rotatory rotation can drive the turning arm and rotate in closing position and separating brake position with knob transmission cooperation.
10. The trip free structure for a rotary isolation switch of any one of claims 1 to 9, wherein: the output rotating wheel is provided with an arc motion output end of a planar multi-link mechanism with an energy storage part, the arc motion output end is a connecting hole, the mechanism support is provided with two mechanism side plates which are oppositely arranged and parallel to a first plane, and the motion trail of the corresponding arc motion output end on the two mechanism side plates is provided with an arc through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321302406.6U CN219575537U (en) | 2023-05-25 | 2023-05-25 | Free tripping structure for rotary isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321302406.6U CN219575537U (en) | 2023-05-25 | 2023-05-25 | Free tripping structure for rotary isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219575537U true CN219575537U (en) | 2023-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321302406.6U Active CN219575537U (en) | 2023-05-25 | 2023-05-25 | Free tripping structure for rotary isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219575537U (en) |
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2023
- 2023-05-25 CN CN202321302406.6U patent/CN219575537U/en active Active
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