A circuit breaker push button operating mechanism for an inflatable high-voltage switch cabinet

By designing a button-type operating mechanism for circuit breaker for inflatable high-voltage switch cabinets, and using a switch-closing mechanism and energy storage mechanism, the problems of complex structure of the circuit breaker operating mechanism and prone to failure of one-way functions in the prior art are solved, and the effects of simple operation, simple process and reliable one-way functions are achieved.

CN111463034BActive Publication Date: 2025-05-02ZHEJIANG FANFAN ELECTRIC APPLIANCE CO LTD
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Patent Information

Application Number
CN202010275450.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-04-09
Publication Date
2025-05-02
Estimated Expiration
2040-04-09

AI Technical Summary

Technical Problem

The clutch shaft, cylindrical gear and ball fitting structure of the existing circuit breaker operating mechanism is complex, the finished product pass rate is low, and the one-way function is prone to failure, resulting in a high mechanism failure rate.

Method used

A button-type operating mechanism for inflatable high-voltage switch cabinet is designed, using a switch-closing mechanism and an energy storage mechanism to achieve one-way function through the crank arm and the clutch shaft, simplifying the process and improving the reliability of the one-way function.

Benefits of technology

The switch opening and closing action can be completed through buttons, which is easy to use, simple process, and the one-way function is not easy to fail, reducing the mechanism failure rate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to a circuit breaker button operating mechanism for an inflatable high-voltage switch cabinet, which includes an opening mechanism, a closing mechanism and an energy storage mechanism. The opening button drives the opening push rod, the opening push rod drives the opening latch, the opening latch unlocks the opening energy storage to complete the opening action of the mechanism; the closing button drives the closing push rod through the opening and closing gasket to drive the closing push rod, drives the braking device arranged on the closing latch to unlock the cam, and completes the closing action of the mechanism; the energy storage mechanism includes a closing energy storage mechanism and an opening energy storage mechanism, the closing energy storage mechanism stores energy through an external force or an electric mechanism; the opening energy storage mechanism stores energy during the closing action. The present invention can complete the operation of the circuit breaker through a button, and the operation is simple.
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Description

Technical Field

[0001] The invention belongs to the technical field of circuit breaker operating mechanisms, and in particular relates to a circuit breaker button type operating mechanism for an inflatable high-voltage switch cabinet. Background Art

[0002] According to the different forms of energy, the operating mechanism can be divided into manual operating mechanism (CS), electromagnetic operating mechanism (CD), spring operating mechanism (CT), and motor operating mechanism (CJ). The closing energy of the operating mechanism fundamentally comes from manpower or electricity. These two energy sources can also be converted into other energy forms, such as electromagnetic energy, spring potential energy, gravity potential energy, gas or liquid compression energy, etc.

[0003] Most circuit breakers can rely on the breaking spring installed on the circuit breaker to provide energy for the opening operation, but some pneumatic operating mechanisms and hydraulic operating mechanisms can also use the energy provided by the operating mechanism itself to complete the circuit breaker opening operation. The operating mechanism is generally an independent product. One type of operating mechanism can be matched with several different types of circuit breakers; similarly, one type of circuit breaker can also be matched with several different types of operating mechanisms. There are also operating mechanisms and circuit breakers that are integrated, such as compressed air circuit breakers. Some circuit breakers are only equipped with their dedicated operating mechanisms.

[0004] The lifting mechanism is a mechanism that drives the moving contact of the circuit breaker. It can make the moving contact move along a certain trajectory, usually in a linear motion or approximately linear motion. The transmission mechanism is the intermediate link between the operating mechanism and the lifting mechanism. Since the operating mechanism and the lifting mechanism are often separated by a certain distance, and their movement directions are often inconsistent, it is necessary to add a transmission mechanism; but in some cases, the transmission mechanism may not be needed. The lifting mechanism and the transmission mechanism are usually composed of a connecting rod mechanism.

[0005] The speed of circuit breaker operation is very high. In order to reduce impact and avoid damage to parts, it is necessary to install a buffer between opening and closing. The buffer is mostly installed near the lifting mechanism. The operating mechanism operates according to the opening and closing signals. According to the operation and maintenance requirements, in addition to the electrical signal indication of opening and closing, the operating mechanism and the circuit breaker should also have a mechanical indicator reflecting the opening and closing position.

[0006] The defect of the circuit breaker operator in the prior art is that a one-way roller is arranged between the clutch shaft and the cylindrical gear sleeved thereon, and the clutch shaft, the cylindrical gear and the ball cooperate to complete the one-way rotation of the cylindrical gear. This structure has a complex process and a low qualified rate of finished products. At the same time, the one-way function is easy to fail during the operation of the mechanism, resulting in a high failure rate of the mechanism. Summary of the invention

[0007] The object of the present invention is to provide a push-button operating mechanism for a circuit breaker for a pneumatic high-voltage switch cabinet, which can complete the opening and closing actions by pressing a button, in order to solve the above-mentioned problem.

[0008] The present invention achieves the above-mentioned purpose through the following technical solutions:

[0009] A circuit breaker button operating mechanism for an inflatable high-voltage switch cabinet comprises a switch-on and switch-off mechanism and an energy storage mechanism, wherein the energy storage mechanism comprises a switch-on energy storage mechanism and a switch-off energy storage mechanism;

[0010] The opening switch energy storage mechanism comprises an opening and closing switch output shaft, a crank arm, an opening switch torsion spring, an opening switch connecting rod, an opening switch crank arm, a spline shaft, a three-phase crank arm, a main latch and a latch tension spring. The opening switch torsion spring is sleeved on the opening and closing switch output shaft, one end of which is fixedly connected to the opening and closing switch output shaft, and the other end is fixed to a support column arranged on the front plate of the mechanism;

[0011] The opening connecting rod is sleeved on the opening and closing output crank arm on the side of the opening and closing output shaft close to the rear plate of the mechanism and is hinged thereto. In addition, the opening connecting rod is hinged to the opening crank arm through a pin shaft, and the opening crank arm is rotatably mounted on the front plate of the mechanism through a spline shaft;

[0012] The three-phase crank arm is sleeved on the spline shaft and connected with the spline shaft through a spline. A main latch and a cam are provided on one side of the three-phase crank arm. A three-phase roller cooperating with the brake arm and the cam of the main latch is provided on the three-phase crank arm. The three-phase roller is rotatably connected with the three-phase crank arm through a roller shaft. A stop end is also provided on the main latch. The main latch is arranged on the clutch shaft. One free end of the main latch is connected to the front plate of the mechanism through a latch tension spring, and the other free end of the main latch is provided with a brake arm.

[0013] The closing energy storage mechanism includes a closing tension spring and a clutch shaft. The clutch shaft is rotatably connected to the front plate and the rear plate of the mechanism. A manual shaft hole is provided at the front end. The rear end of the clutch shaft is fixedly connected to one end of the clutch swing arm. The other end of the clutch swing arm is connected to a tension spring hanging plate of the closing tension spring through a clutch pin shaft. The other tension spring hanging plate of the closing tension spring is connected to the rear plate of the mechanism through a pin shaft.

[0014] The clutch shaft is also provided with a cam, which rotates synchronously with the clutch shaft, and the cam is provided with a stop pin which is rotationally connected with the clutch shaft;

[0015] The opening and closing mechanism includes a latch mechanism, an opening mechanism, a closing mechanism and an electric drive mechanism. The latch mechanism includes a latch shaft, an opening latch and a closing latch. The opening latch and the closing latch are both rotatably arranged on the latch shaft. The two ends of the latch shaft are connected to the front plate of the mechanism and the rear plate of the mechanism.

[0016] The opening mechanism includes an opening push rod, the outer end of which extends out of the front plate of the mechanism and is connected to the opening button, and an opening cone is provided on one end of the opening push rod extending into the front plate of the mechanism, and an opening roller matching with the opening cone is provided at the opening start end of the opening latch, and the opening roller is connected to the opening latch by rotation through a roller shaft, and the opening latch is provided with an opening holding end matching with the brake arm of the main latch;

[0017] The closing mechanism comprises a closing push rod and a closing push piece. The outer end of the closing push rod extends out of the front plate of the mechanism and is connected to the closing button. The closing push piece is sleeved and fixedly mounted on the closing push rod.

[0018] As a further optimization scheme of the present invention, the closing energy storage mechanism also includes a large cylindrical gear, a small cylindrical gear and a built-in motor. The large cylindrical gear and the clutch shaft are fitted through a one-way bearing, the large cylindrical gear and the small cylindrical gear are meshed, the large cylindrical gear is driven by the small cylindrical gear, and the small cylindrical gear and the driving output shaft of the built-in motor are fitted through a one-way bearing.

[0019] As a further optimization scheme of the present invention, one end of the opening and closing output shaft extends to the rear side of the rear plate of the mechanism, and a connecting sleeve is provided. The connecting sleeve is driven by the rotation of the opening and closing output shaft, and the connecting sleeve then drives the external circuit breaker to complete the opening and closing action of the circuit breaker.

[0020] As a further optimization scheme of the present invention, the cam is fixedly connected to the clutch shaft, or the inner hole of the cam is provided with a limiting portion protruding inward, and the clutch shaft is provided with a limiting groove cooperating with the cam. The limiting portion cooperates with the limiting groove to make the two rotate synchronously.

[0021] As a further optimization scheme of the present invention, the push-button operating mechanism of the circuit breaker for the inflatable high-voltage switch cabinet also includes an indicating mechanism, which includes a cam sleeve and an opening and closing indicator. The end of the spline shaft extending to the front of the front plate of the mechanism is fixedly connected to the opening and closing indicator, and the end of the clutch shaft extending to the front of the front plate of the mechanism is sleeved with a cam sleeve.

[0022] As a further optimization scheme of the present invention, a triangular push piece is provided on the closing push member, and a closing roller cooperating with the push piece is provided at the closing starting end of the closing latch.

[0023] The beneficial effects of the present invention are:

[0024] 1) The opening and closing mechanism of the present invention can drive the internal mechanism to realize opening and closing actions through the opening button and the closing button. It is easy to use and worthy of promotion.

[0025] 2) The present invention realizes the one-way function by cooperating with the clutch shaft through the crank arm, the process is simple, and the one-way function is not easy to fail. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of the present invention in Embodiment 1;

[0027] Figure 2 is an exploded view of the present invention in Embodiment 1;

[0028] Figure 3 It is a structural schematic diagram of the latch mechanism of the present invention in embodiment 1. DETAILED DESCRIPTION

[0029] The present application is further described in detail below in conjunction with the accompanying drawings. It is necessary to point out here that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technical personnel in this field can make some non-essential improvements and adjustments to the present application based on the above application content.

[0030] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention; in the description of the present invention, unless otherwise specified, "multiple" and "several" mean two or more.

[0031] Embodiment 1

[0032] like Figure 1-3 As shown, a push-button operating mechanism of a circuit breaker for an inflatable high-voltage switch cabinet includes a switch-on and switch-off mechanism and an energy storage mechanism, wherein the energy storage mechanism includes a switch-on energy storage mechanism and a switch-off energy storage mechanism;

[0033] The opening switch energy storage mechanism includes an opening and closing output shaft 11, a crank arm 111, an opening switch torsion spring 12, an opening switch connecting rod 13, an opening switch crank arm 14, a spline shaft 15, a three-phase crank arm 16, a main latch 17 and a latch tension spring. The opening switch torsion spring 12 is sleeved on the opening and closing output shaft 11, one end of which is fixedly connected to the opening and closing output shaft 11, and the other end is fixed to a support column provided on the front plate 01 of the mechanism. When the closing mechanism drives the opening and closing output shaft 11 to perform a closing operation, the opening switch torsion spring 12 rotates accordingly to store energy.

[0034] The opening connecting rod 13 is sleeved on the opening and closing output crank arm 111 on the side of the opening and closing output shaft 11 close to the mechanism rear plate 02 and is hinged thereto. In addition, the opening connecting rod 13 is hinged to the opening crank arm 14 through a pin shaft, and the opening crank arm 14 is rotatably mounted on the mechanism front plate 01 through a spline shaft 15;

[0035] The three-phase crank arm 16 is sleeved on the spline shaft 15 and connected with the spline shaft 15 through a spline. A main latch 17 and a cam 18 are provided on one side of the three-phase crank arm 16. A three-phase roller 161 is provided on the three-phase crank arm 16 to cooperate with a brake arm 171 of the main latch 17 and the cam 18. The three-phase roller 161 is rotatably connected with the three-phase crank arm 16 through a roller shaft. A stop end 172 is also provided on the main latch 17. The main latch 17 is arranged on the clutch shaft 22. One free end of the main latch 17 is connected to the front plate 01 of the mechanism through a latch tension spring, and the other free end of the main latch 17 is provided with a brake arm 171.

[0036] One end of the opening and closing output shaft 11 extends to the rear side of the mechanism rear plate 02, and a connecting sleeve 19 is provided. The connecting sleeve 19 is driven by the rotation of the opening and closing output shaft 11, and the connecting sleeve 19 then drives the external circuit breaker to complete the opening and closing action of the circuit breaker.

[0037] The closing energy storage mechanism includes a closing tension spring 21 and a clutch shaft 22. The clutch shaft 22 is rotatably connected to the mechanism front plate 01 and the mechanism rear plate 02. A manual shaft hole is provided at the front end. The rear end of the clutch shaft 22 is fixedly connected to one end of the clutch swing arm. The other end of the clutch swing arm is connected to a tension spring hanging plate 211 of the closing tension spring 21 through a clutch pin shaft. The other tension spring hanging plate 211 of the closing tension spring 21 is connected to the mechanism rear plate 02 through a pin shaft.

[0038] The clutch shaft 22 is also sleeved with a cam 18, which rotates synchronously with the clutch shaft 22, and a stop pin 181 is provided on the cam 18 and is rotatably connected thereto;

[0039] The clutch shaft 22 is manually driven to rotate clockwise to drive the closing tension spring 21 arranged at the rear of the mechanism to store energy for the mechanism, and the cam 18 is synchronously driven to rotate. After the energy storage is completed, the stop pin 181 arranged on the cam 18 and the closing holding end 333 of the closing latch 33 complete the energy storage action of the mechanism;

[0040] During the process of the mechanism completing the closing action, the closing tension spring 21 releases energy, the clutch shaft 22 rotates to drive the cam 18 to rotate, the cam 18 rotates to touch a three-phase roller 161 of the three-phase crank arm 16, and drives the three-phase crank arm 16 and the spline shaft 15 to rotate, the spline shaft 15 rotates to drive the opening crank arm 14 thereon to rotate, and then drives the opening and closing output shaft 11 to rotate through the opening connecting rod 13, and stores energy in the opening torsion spring 12, and at the same time, stores energy in the opening torsion spring, another three-phase roller 161 of the three-phase crank arm 16 touches the brake arm 171 of the main latch 17, thereby driving the main latch 17 to rotate, and storing energy in the latch tension spring, and the stop end 172 of the main latch 17 rotates to the opening holding end 323 of the opening latch 32 to complete the opening energy storage action;

[0041] As mentioned above, the cam 18 is fixedly connected to the clutch shaft 22, or the inner hole of the cam 18 is provided with a limiting portion protruding inward, and the clutch shaft 22 is provided with a limiting groove that cooperates with the cam 18. The limiting portion cooperates with the limiting groove to allow the two to rotate synchronously.

[0042] The opening and closing mechanism includes a latch mechanism, an opening mechanism, a closing mechanism and an electric drive mechanism. The latch mechanism includes a latch shaft 31, an opening latch 32 and a closing latch 33. The opening latch 32 and the closing latch 33 are both rotatably arranged on the latch shaft 31. The two ends of the latch shaft 31 are connected to the mechanism front plate 01 and the mechanism rear plate 02.

[0043] The opening mechanism includes an opening push rod 41, the outer end of which extends out of the mechanism front plate 01 and is connected to the opening button 42. The opening push rod 41 is provided with an opening cone 43 on one end of the mechanism front plate 01. The opening start end 321 of the opening latch 32 is provided with an opening roller 322 matched with the opening cone 43. The opening roller 322 is rotatably connected to the opening latch 32 through a roller shaft. The opening latch 32 is provided with an opening holding end 323 matched with the brake arm 171 of the main latch 17. When the opening push rod 41 moves toward the inside of the mechanism front plate 01 under the push of the opening switch, the opening cone 43 pushes the opening roller 322 to drive the opening latch 32 to rotate, thereby releasing the stopping state of the brake arm 171 of the main latch 17 and the opening holding end 323. Unlocking the opening energy storage completes the opening action of the mechanism.

[0044] The closing mechanism comprises a closing push rod 51 and a closing push piece 52. The outer end of the closing push rod 51 extends out of the mechanism front plate 01 and is connected to the closing button 53. The closing push piece 52 is sleeved and fixedly installed on the closing push rod 51. The closing push piece 52 is provided with a triangular push piece 521. The closing start end 331 of the closing latch 33 is provided with a closing roller 332 matched with the push piece 521. The closing latch 33 is provided with a closing holding end 333 matched with the stop pin 181 of the cam 18.

[0045] The closing button 53 is driven by external force to drive the closing push rod 51 to drive the closing push piece 52, and the push piece 521 provided on the closing push piece 52 drives the closing roller 332 provided on the closing latch 33 to make the closing latch 33 rotate around the latch shaft 31, and at the same time drives the brake device provided on the closing latch 33 to unlock the cam 18, and release the interference between the stop pin 181 of the cam 18 and the closing holding end 333. Unlocking the closing energy storage mechanism completes the closing action of the circuit breaker mechanism.

[0046] The opening latch 32 and the closing latch 33 are both three-pronged structures, with a magnetic moving end 81 at one end, and an electromagnet 82 at one side of the magnetic moving end 81. The moving iron core of the electromagnet 82 is located at one side of the magnetic moving end 81. When the electromagnet 82 is energized, the moving iron core moves to push the magnetic moving end 81 so that the opening latch 32 or the closing latch 33 rotates to complete the opening and closing actions. As another driving method, it can not only be operated by a button, but also the electromagnet 82 can provide driving force for closing operation. Two electromagnets 82 are provided, which cooperate with the magnetic moving ends 81 of the opening latch 32 and the closing latch 33 respectively.

[0047] The necessary electromagnet 82 is connected to the external switch through the lead wire, which is a prior art and will not be described in detail here.

[0048] The push-button operating mechanism of the circuit breaker for the inflatable high-voltage switch cabinet also includes an indicating mechanism, which includes a cam sleeve 71 and an opening and closing indicator 72. The end of the spline shaft extending to the front of the mechanism front plate 01 is fixedly connected to the opening and closing indicator 72, and the end of the clutch shaft 22 extending to the front of the mechanism front plate 01 is sleeved with the cam sleeve 71. The cam sleeve 71 is used to indicate the energy storage state, and the opening and closing indicator 72 is used to indicate the opening and closing state.

[0049] Embodiment 2

[0050] On the basis of the first embodiment, the closing energy storage mechanism also includes a large cylindrical gear 81, a small cylindrical gear 101 and a built-in motor. The large cylindrical gear 81 and the clutch shaft 22 are sleeved by a one-way bearing, and the large cylindrical gear 81 is meshed with the small cylindrical gear 101. The large cylindrical gear 81 is driven by the small cylindrical gear 101. At the same time, the small cylindrical gear 101 and the driving output shaft 121 of the built-in motor are sleeved by a one-way bearing. The large cylindrical gear 81 can only drive the large cylindrical gear 81 to rotate and drive the clutch shaft 22 to rotate to close the mechanism and store energy when the built-in motor drives the small cylindrical gear 101 to rotate in the correct direction. Because the large cylindrical gear 81 can only drive the clutch shaft 22 in one direction, the clutch shaft 22 will not reversely drive the large cylindrical gear 81 when manually operated at the manual operation end, and will not cause misoperation of the mechanism, ensuring that the electric drive and manual drive do not interfere with each other.

[0051] As mentioned above, the clutch shaft 22 is provided with a gear shaft matching section 221 matching with the large cylindrical gear 81 .

[0052] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A push-button operating mechanism for a circuit breaker for an inflatable high-voltage switch cabinet, characterized in that: It includes a closing and opening mechanism and an energy storage mechanism, wherein the energy storage mechanism includes a closing energy storage mechanism and an opening energy storage mechanism; The opening switch energy storage mechanism comprises an opening and closing switch output shaft, a crank arm, an opening switch torsion spring, an opening switch connecting rod, an opening switch crank arm, a spline shaft, a three-phase crank arm, a main latch and a latch tension spring. The opening switch torsion spring is sleeved on the opening and closing switch output shaft, one end of which is fixedly connected to the opening and closing switch output shaft, and the other end is fixed to a support column arranged on the front plate of the mechanism; The opening connecting rod is sleeved on the opening and closing output crank arm on the side of the opening and closing output shaft close to the rear plate of the mechanism and is hinged thereto. In addition, the opening connecting rod is hinged to the opening crank arm through a pin shaft, and the opening crank arm is rotatably mounted on the front plate of the mechanism through a spline shaft; The three-phase crank arm is sleeved on the spline shaft and connected with the spline shaft through a spline. A main latch and a cam are provided on one side of the three-phase crank arm. A three-phase roller cooperating with the brake arm and the cam of the main latch is provided on the three-phase crank arm. The three-phase roller is rotatably connected with the three-phase crank arm through a roller shaft. A stop end is also provided on the main latch. The main latch is arranged on the clutch shaft. One free end of the main latch is connected to the front plate of the mechanism through a latch tension spring, and the other free end of the main latch is provided with a brake arm. The closing energy storage mechanism includes a closing tension spring and a clutch shaft. The clutch shaft is rotatably connected to the front plate and the rear plate of the mechanism. A manual shaft hole is provided at the front end. The rear end of the clutch shaft is fixedly connected to one end of the clutch swing arm. The other end of the clutch swing arm is connected to a tension spring hanging plate of the closing tension spring through a clutch pin shaft. The other tension spring hanging plate of the closing tension spring is connected to the rear plate of the mechanism through a pin shaft. The clutch shaft is also provided with a cam, which rotates synchronously with the clutch shaft, and the cam is provided with a stop pin which is rotationally connected with the clutch shaft; The opening and closing mechanism includes a latch mechanism, an opening mechanism, a closing mechanism and an electric drive mechanism. The latch mechanism includes a latch shaft, an opening latch and a closing latch. The opening latch and the closing latch are both rotatably arranged on the latch shaft. The two ends of the latch shaft are connected to the front plate of the mechanism and the rear plate of the mechanism. The opening mechanism includes an opening push rod, the outer end of which extends out of the front plate of the mechanism and is connected to the opening button, and an opening cone is provided on one end of the opening push rod extending into the front plate of the mechanism, and an opening roller matching with the opening cone is provided at the opening start end of the opening latch, and the opening roller is connected to the opening latch by rotation through a roller shaft, and the opening latch is provided with an opening holding end matching with the brake arm of the main latch; The closing mechanism comprises a closing push rod and a closing push piece. The outer end of the closing push rod extends out of the front plate of the mechanism and is connected to the closing button. The closing push piece is sleeved and fixedly mounted on the closing push rod. Both the opening latch and the closing latch are of a three-pronged structure, with a magnetic end provided at one end and an electromagnet provided on one side of the magnetic end. The moving iron core of the electromagnet is located on one side of the magnetic end. When the electromagnet is energized, the moving iron core moves to push the magnetic end, thereby rotating the opening latch or the closing latch to complete the opening and closing actions. There are two electromagnets, which cooperate with the magnetic ends of the opening latch and the closing latch respectively.

2. The push-button operating mechanism for a circuit breaker for a gas-filled high-voltage switch cabinet according to claim 1, characterized in that: The closing energy storage mechanism also includes a large cylindrical gear, a small cylindrical gear and a built-in motor. The large cylindrical gear and the clutch shaft are sleeved via a one-way bearing, the large cylindrical gear and the small cylindrical gear are meshed, the large cylindrical gear is driven by the small cylindrical gear, and the small cylindrical gear and the driving output shaft of the built-in motor are sleeved via a one-way bearing.

3. The push-button operating mechanism for a circuit breaker for a gas-filled high-voltage switch cabinet according to claim 1, characterized in that: One end of the opening and closing output shaft extends to the rear side of the mechanism rear plate, and a connecting sleeve is provided. The connecting sleeve is driven by the rotation of the opening and closing output shaft, and the connecting sleeve then drives the external circuit breaker to complete the opening and closing action of the circuit breaker.

4. The push-button operating mechanism for a circuit breaker for a gas-filled high-voltage switch cabinet according to claim 1, characterized in that: The cam is fixedly connected to the clutch shaft, or the inner hole of the cam is provided with a limiting portion protruding inward, and the clutch shaft is provided with a limiting groove cooperating with the cam, and the limiting portion cooperates with the limiting groove to enable the two to rotate synchronously.

5. The push-button operating mechanism for a circuit breaker for a gas-filled high-voltage switch cabinet according to claim 1, characterized in that: The push-button operating mechanism of the circuit breaker for the inflatable high-voltage switch cabinet also includes an indicating mechanism, which includes a cam sleeve and an opening and closing indicator. One end of the spline shaft extending to the front of the mechanism front plate is fixedly connected to the opening and closing indicator, and one end of the clutch shaft extending to the front of the mechanism front plate is sleeved with a cam sleeve.

6. The push-button operating mechanism for a circuit breaker for a gas-filled high-voltage switch cabinet according to claim 1, characterized in that: The closing push piece is provided with a triangular push piece, and the closing start end of the closing latch is provided with a closing roller matched with the push piece.

Citation Information

Patent Citations

  • Circuit breaker button type operating mechanism for inflatable high-voltage switch cabinet

    CN212303444U