CN222088506U - Linkage lever assembly of frame type breaker operating mechanism - Google Patents
Linkage lever assembly of frame type breaker operating mechanism Download PDFInfo
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- CN222088506U CN222088506U CN202323357888.8U CN202323357888U CN222088506U CN 222088506 U CN222088506 U CN 222088506U CN 202323357888 U CN202323357888 U CN 202323357888U CN 222088506 U CN222088506 U CN 222088506U
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- turntable
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Abstract
本实用新型涉及一种框架式断路器操作机构的联动杠杆组件，包括转轴、两组转盘组件、扣板、内连杆、外连杆，转盘组件包括设置在转轴上的转盘、对应转盘一侧处设置在转轴上的凸轮、分别连接在转盘与凸轮之间的多个铆钉、设置在转盘与凸轮之间的滚轮，所述的转盘、凸轮上分别设置有可供转轴穿过的通孔，所述的转轴上设置有与转盘、凸轮相配合的V型槽，所述的转盘、凸轮的通孔内分别设置有与V型槽相配合的凸起部，所述的凸起部卡合在V型槽内，且构成转盘、凸轮与转轴的联动配合。本实用新型具有结构简单、性能稳定可靠、传动可靠、装配便捷的优点。
The utility model relates to a linkage lever assembly of a frame-type circuit breaker operating mechanism, including a rotating shaft, two sets of rotating disk assemblies, a buckle plate, an inner connecting rod, and an outer connecting rod. The rotating disk assembly includes a rotating disk arranged on the rotating shaft, a cam arranged on the rotating shaft at one side of the corresponding rotating disk, a plurality of rivets respectively connected between the rotating disk and the cam, and a roller arranged between the rotating disk and the cam. The rotating disk and the cam are respectively provided with through holes for the rotating shaft to pass through, the rotating shaft is provided with a V-shaped groove matching with the rotating disk and the cam, and the through holes of the rotating disk and the cam are respectively provided with protrusions matching with the V-shaped groove, and the protrusions are engaged in the V-shaped groove, and constitute the linkage matching of the rotating disk, the cam and the rotating shaft. The utility model has the advantages of simple structure, stable and reliable performance, reliable transmission, and convenient assembly.
Description
Technical Field
The utility model relates to the technical field of frame type circuit breakers, in particular to a linkage lever assembly of a frame type circuit breaker operating mechanism.
Background
The universal breaker is also called a frame type breaker, and is a mechanical switching device which can be used for switching on, carrying and breaking current under normal circuit conditions and also can be used for switching on, carrying for a certain time and breaking current under specified abnormal circuit conditions. The frame-type circuit breaker is used for distributing electric energy and protecting overload, undervoltage, short circuit and the like of a circuit and power supply equipment. The frame type circuit breaker comprises a chassis, a face shield, a conductive system, a contact system and an operating mechanism for connecting and disconnecting the conductive system and the contact system. The structural design of the linkage lever assembly of the existing frame type breaker operating mechanism is not compact, and the rotating disc of the linkage lever is connected with the rotating shaft in an unreliable manner, so that the transmission between the rotating shaft and the rotating disc is unreliable. And the linkage lever assembly has the defects of complex structure, unreliable performance and inconvenient assembly.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the linkage lever assembly of the frame type breaker operating mechanism, which has the advantages of simple structure, stable and reliable performance, reliable transmission and convenient assembly.
The utility model adopts a linkage lever assembly of a frame-type breaker operating mechanism, which comprises a rotating shaft, two groups of turntable assemblies, a buckle plate, an inner connecting rod and an outer connecting rod, wherein the two groups of turntable assemblies are arranged at two ends of the rotating shaft in a linkage manner, the buckle plate is arranged on the rotating shaft in a linkage manner, the inner connecting rod is arranged at one end of the buckle plate, the outer connecting rod is arranged in a linkage manner with the inner connecting rod, the turntable assemblies comprise a turntable arranged on the rotating shaft, a cam arranged on one side of the corresponding turntable and connected between the turntable and the cam, a plurality of rivets and rollers arranged between the turntable and the cam, through holes for the rotating shaft to pass through are respectively arranged on the turntable and the cam, V-shaped grooves matched with the turntable and the cams are respectively arranged on the rotating shaft, the convex parts matched with the V-shaped grooves are respectively arranged in the through holes of the turntable and the cams, and the convex parts are clamped in the V-shaped grooves to form linkage fit of the turntable, the cams and the rotating shaft.
The rotary table assembly has the beneficial effects that the rotary table assembly adopts a modularized structural design, so that the modularized assembly of the rotary table assembly and the rotary shaft can be realized, and the assembly efficiency is higher. And the rotary table of the rotary table assembly and the protruding part of the cam are clamped in the V-shaped groove of the rotary shaft, so that the rotary table assembly and the rotary shaft can be more compactly and firmly connected, and the rotary shaft and the rotary table assembly are more reliably driven. And a plurality of rivets are connected between the turntable and the cam, so that the overall strength of the turntable assembly can be improved. Therefore, the linkage lever assembly of the frame-type circuit breaker operating mechanism has the advantages of simple structure, stable and reliable performance, reliable transmission and convenient assembly.
Specifically, the two sides of the rotating shaft corresponding to the pinch plates are respectively provided with an injection molding part in a linkage way, the pinch plates are provided with a linkage shaft corresponding to the two injection molding parts, two ends of the two injection molding parts corresponding to the linkage shaft are respectively provided with a clamping groove, and two ends of the linkage shaft are respectively clamped in the clamping grooves of the two injection molding parts and form linkage fit of the linkage shaft and the two injection molding parts. The pinch plate is clamped in the clamping grooves of the two injection molding pieces on the rotating shaft through the linkage shaft, so that the pinch plate and the two injection molding pieces are convenient to assemble, and the rotating shaft and the pinch plate can be reliably driven.
Particularly, the injection molding pieces are respectively provided with a limiting part embedded in the V-shaped groove. The limit part of the injection molding piece is embedded in the V-shaped groove of the rotating shaft, so that the connection between the injection molding piece and the rotating shaft can be ensured to be firmer.
The inner connecting rod comprises two inner connecting plates and a plurality of pin shafts respectively arranged between the two inner connecting plates, one ends of the two inner connecting plates are provided with connecting rod shafts, one ends of the pinch plates are connected to the connecting rod shafts, and gaskets are respectively arranged on the connecting rod shafts corresponding to the positions between the two inner connecting plates and the pinch plates. The inner connecting rod adopts the design of double inner connecting plate structures, and a plurality of pin shafts are connected between the two inner connecting plates, so that the overall strength of the inner connecting rod can be effectively improved, and the transmission of the buckle plate and the two inner connecting plates can be ensured to be more reliable.
Drawings
Fig. 1 is a perspective view of an embodiment of the present utility model.
Fig. 2 is a perspective view of a turntable assembly according to an embodiment of the present utility model.
Fig. 3 is a perspective view of a rotating shaft according to an embodiment of the present utility model.
Fig. 4 is an assembly diagram of an injection molding member and a rotating shaft according to an embodiment of the present utility model.
Detailed Description
As shown in fig. 1 to 4, the embodiment of the utility model is a linkage lever assembly of a frame-type circuit breaker operating mechanism, which comprises a rotating shaft 10, two groups of turntable assemblies 20 arranged at two ends of the rotating shaft 10 in a linkage manner, a pinch plate 11 arranged at the rotating shaft 10 in a linkage manner, an inner connecting rod 12 arranged at one end of the pinch plate 11, and an outer connecting rod 13 arranged at the linkage manner with the inner connecting rod 12, wherein the turntable assemblies 20 comprise a turntable 21 arranged at the rotating shaft 10, a cam 22 arranged at one side of the corresponding turntable 21 and arranged on the rotating shaft 10, a plurality of rivets 23 respectively connected between the turntable 21 and the cam 22, and a roller 24 arranged between the turntable 21 and the cam 22, through holes 200 through which the rotating shaft 10 can pass are respectively arranged on the turntable 21 and the cam 22, V-shaped grooves 101 matched with the turntable 21 and the cam 22 are respectively arranged on the rotating shaft 10, the through holes 200 of the turntable 21 and the cam 22 are respectively provided with convex parts 201 matched with the V-shaped grooves 101, and the convex parts 201 are clamped in the V-shaped grooves 101, and the cam 22 are matched with the rotating shaft 21 and the cam 22. The two sides of the rotating shaft 10 corresponding to the pinch plates 11 are respectively provided with an injection molding piece 14 in a linkage mode, a linkage shaft 15 is arranged between the pinch plates 11 corresponding to the two injection molding pieces 14, clamping grooves 141 are respectively formed in the two ends of the two injection molding pieces 14 corresponding to the linkage shaft 15, and the two ends of the linkage shaft 15 are respectively clamped in the clamping grooves 141 of the two injection molding pieces 14 and form linkage fit of the linkage shaft 15 and the two injection molding pieces 14. The pinch plate is clamped in the clamping grooves of the two injection molding pieces on the rotating shaft through the linkage shaft, so that the pinch plate and the two injection molding pieces are convenient to assemble, and the rotating shaft and the pinch plate can be reliably driven.
As shown in fig. 4, the injection molding 14 has a stopper 142 fitted into the V-groove 101. The limit part of the injection molding piece is embedded in the V-shaped groove of the rotating shaft, so that the connection between the injection molding piece and the rotating shaft can be ensured to be firmer.
As shown in fig. 1, the inner connecting rod 12 includes two inner connecting plates 121 and a plurality of pins 122 respectively disposed between the two inner connecting plates 121, one end of each of the two inner connecting plates 121 is provided with a connecting rod shaft 123, one end of each of the buckle plates 11 is connected to the connecting rod shaft 123, and a washer 124 is disposed on each of the connecting rod shafts 123 corresponding to the positions between the two inner connecting plates 121 and the buckle plates 11. The inner connecting rod adopts the design of double inner connecting plate structures, and a plurality of pin shafts are connected between the two inner connecting plates, so that the overall strength of the inner connecting rod can be effectively improved, and the transmission of the buckle plate and the two inner connecting plates can be ensured to be more reliable.
The turntable assembly adopts a modularized structural design, so that the modularized assembly of the turntable assembly and the rotating shaft can be realized, and the assembly efficiency is higher. And the rotary table of the rotary table assembly and the protruding part of the cam are clamped in the V-shaped groove of the rotary shaft, so that the rotary table assembly and the rotary shaft can be more compactly and firmly connected, and the rotary shaft and the rotary table assembly are more reliably driven. And a plurality of rivets are connected between the turntable and the cam, so that the overall strength of the turntable assembly can be improved. Therefore, the linkage lever assembly of the frame-type circuit breaker operating mechanism has the advantages of simple structure, stable and reliable performance, reliable transmission and convenient assembly.
Claims (4)
1. The linkage lever assembly of the frame-type circuit breaker operating mechanism is characterized by comprising a rotating shaft, two groups of turntable assemblies arranged at two ends of the rotating shaft in a linkage manner, a buckle plate arranged on the rotating shaft in a linkage manner, an inner connecting rod arranged at one end of the buckle plate, and an outer connecting rod arranged in a linkage manner with the inner connecting rod, wherein the turntable assemblies comprise a turntable arranged on the rotating shaft, a cam arranged on one side of the corresponding turntable and between the turntable and the cam, a plurality of rivets respectively connected between the turntable and the cam, and rollers arranged between the turntable and the cam, through holes for the rotating shaft to pass through are respectively arranged on the turntable and the cam, V-shaped grooves matched with the turntable and the cam are respectively arranged on the rotating shaft, protruding parts matched with the V-shaped grooves are respectively arranged in the through holes of the turntable and the cam, and the protruding parts are clamped in the V-shaped grooves and form linkage fit of the turntable, the cam and the rotating shaft.
2. The linkage lever assembly of the frame-type circuit breaker operating mechanism of claim 1, wherein two sides of the rotating shaft corresponding to the pinch plates are respectively provided with an injection molding part in a linkage mode, a linkage shaft is arranged between the pinch plates corresponding to the two injection molding parts, two ends of the two injection molding parts corresponding to the linkage shaft are respectively provided with clamping grooves, and two ends of the linkage shaft are respectively clamped in the clamping grooves of the two injection molding parts and form linkage fit of the linkage shaft and the two injection molding parts.
3. The linkage lever assembly of the frame type circuit breaker operating mechanism of claim 2, wherein the injection molding pieces are respectively provided with a limiting part embedded in the V-shaped groove.
4. The linkage lever assembly of the frame type circuit breaker operating mechanism according to claim 1 or 2, wherein the inner connecting rod comprises two inner connecting plates and a plurality of pin shafts respectively arranged between the two inner connecting plates, one end of each inner connecting plate is provided with a connecting rod shaft, one end of each buckle plate is connected to the connecting rod shaft, and a gasket is respectively arranged on the connecting rod shaft corresponding to the position between the two inner connecting plates and the buckle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323357888.8U CN222088506U (en) | 2023-12-09 | 2023-12-09 | Linkage lever assembly of frame type breaker operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323357888.8U CN222088506U (en) | 2023-12-09 | 2023-12-09 | Linkage lever assembly of frame type breaker operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222088506U true CN222088506U (en) | 2024-11-29 |
Family
ID=93605115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323357888.8U Active CN222088506U (en) | 2023-12-09 | 2023-12-09 | Linkage lever assembly of frame type breaker operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222088506U (en) |
-
2023
- 2023-12-09 CN CN202323357888.8U patent/CN222088506U/en active Active
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