CN217239313U - Mechanical interlocking device of circuit breaker - Google Patents
Mechanical interlocking device of circuit breaker Download PDFInfo
- Publication number
- CN217239313U CN217239313U CN202221169949.0U CN202221169949U CN217239313U CN 217239313 U CN217239313 U CN 217239313U CN 202221169949 U CN202221169949 U CN 202221169949U CN 217239313 U CN217239313 U CN 217239313U
- Authority
- CN
- China
- Prior art keywords
- interlocking
- plate
- circuit breaker
- bent plate
- bent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The mechanical interlocking device of the circuit breaker comprises an external interlocking mechanism arranged on the outer side of a mechanism side plate and an internal interlocking mechanism arranged on the inner side of the mechanism side plate, wherein the external interlocking mechanism comprises an interlocking driving plate and an interlocking plate, and the internal interlocking mechanism comprises an interlocking bent plate, an interlocking piece and a brake separating shaft. The utility model relates to a simple reliable mechanical type interlocking mode has solved the unreliable, easy malfunctioning drawback of circuit breaker interlocking in the past, can accomplish fixed circuit breaker, handcart-type circuit breaker interface general, and simple structure saves space.
Description
Technical Field
The utility model belongs to the technical field of the circuit breaker, concretely relates to mechanical interlocking device of circuit breaker is a mechanical interlocking device who prevents circuit breaker maloperation, both has been applicable to handcart-type circuit breaker, also is applicable to fixed circuit breaker.
Background
In the high-voltage electrical appliance industry, along with more and more attention paid to the electrical safety, strict requirements are provided for various possible illegal operations, and the high-voltage electrical appliance product is required to have perfect mechanical error prevention measures. In the prior art, the error prevention measures of an electric contact and a steel wire rope flexible connection are adopted, and due to the self reasons of the modes of electrical components and the steel wire rope flexible connection, the error failure is usually prevented, so that accidents are caused, and therefore a purely mechanical interlocking device is necessary to be provided to solve the existing problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem: the utility model provides a mechanical interlocking device of circuit breaker, the utility model relates to a simple and reliable mechanical type interlocking mode has solved the unreliable, easy malfunctioning drawback of circuit breaker interlocking in the past, can accomplish fixed circuit breaker, handcart-type circuit breaker interface general, and simple structure saves space.
The utility model adopts the technical proposal that: a mechanical interlocking device of a circuit breaker comprises an external interlocking mechanism arranged on the outer side of a mechanism side plate and an internal interlocking mechanism arranged on the inner side of the mechanism side plate, wherein the external interlocking mechanism comprises an interlocking drive plate and an interlocking plate, and the internal interlocking mechanism comprises an interlocking bent plate, an interlocking piece and a brake separating shaft; the interlocking driving plate can be arranged at the upper part of the outer side of the mechanism side plate in a vertically sliding manner, the interlocking plate can be arranged at the lower part of the outer side of the mechanism side plate in a vertically sliding manner, and the lower part of the interlocking driving plate is connected with one side edge of the interlocking plate through a pressure spring; the interlocking device is characterized in that the interlocking bent plate can be arranged on the inner side of a mechanism side plate in a vertically sliding mode, the interlocking piece is hinged to the mechanism side plate below the interlocking bent plate, the brake separating shaft can be rotatably supported on the mechanism side plate below the interlocking piece, the brake closing bent plate is sleeved on the brake separating shaft in a hollow mode, the brake separating bent plate and an elastic pin are fixed on the brake separating shaft, the upper end of the interlocking bent plate is connected with the upper end of the interlocking plate, and the lower end of the interlocking bent plate is connected with the interlocking piece through a small pressure spring.
The technical scheme is further limited, the interlocking driving plate is connected to the upper position of the outer side of the mechanism side plate through the limiting of the guide strip hole I and the guide pin; the interlocking plate is connected to the lower part of the outer side of the mechanism side plate through a guide strip hole II and the limit of a guide pin; the interlocking bent plate is connected to the inner side of the mechanism side plate through the guide strip hole III and the limit of the guide pin.
The technical scheme is further limited, the driving pin is welded at the upper end of the interlocking bent plate, and the upper end of the interlocking plate penetrates through the driving pin through the pin hole.
In order to further limit the technical scheme, the opening bent plate is fixed on the opening shaft through a screw.
Compared with the prior art, the utility model advantage:
1. the scheme abandons the original steel wire rope flexible connection interlocking mode and the original electric appliance contact interlocking mode, provides a simple and reliable mechanical interlocking mode, solves the defects of unreliable circuit breaker interlocking and easy failure in the past, can realize the universal interface of a fixed circuit breaker and a handcart circuit breaker, has simple structure and saves space;
2. in the interlocking device, the inner side and the outer side of the interlocking device are respectively provided with a pressure spring, so that the interlocking device not only plays a driving role, but also plays a role in interlocking reset;
3. according to the scheme, the interlocking device is tightly attached to the mechanism side plate, the design is reasonable, the closing is locked, the opening device is in a tripping state, the active interlocking function and the passive interlocking function are achieved, and the misoperation of the circuit breaker is effectively avoided.
Drawings
FIG. 1 is a schematic view of the interlocking free state of the present invention;
fig. 2 is a schematic view of the interlocking and locking state of the present invention;
FIG. 3 is a schematic view of an external interlocking mechanism according to the present invention;
fig. 4 is a schematic view of an internal interlocking mechanism of the present invention;
fig. 5 is a schematic view of the mounting structure of each component on the center opening brake shaft of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.
Please refer to fig. 1-5, which illustrate an embodiment of the present invention.
A mechanical interlocking device of a circuit breaker comprises an external interlocking mechanism arranged on the outer side of a mechanism side plate 1 and an internal interlocking mechanism arranged on the inner side of the mechanism side plate 1. The external interlocking mechanism is shown in fig. 3 and comprises an interlocking driving plate 6 and an interlocking plate 11, and the internal interlocking mechanism is shown in fig. 4 and comprises an interlocking bent plate 7, an interlocking piece 10 and a switching-off shaft 2.
The interlocking driving plate 6 can be arranged at the upper position of the outer side of the mechanism side plate 1 in a vertically sliding mode, and specifically, the interlocking driving plate 6 is connected to the upper position of the outer side of the mechanism side plate 1 through the guide strip hole I6-1 and the limit of the guide pin. The interlocking plate 11 can be arranged at the lower position of the outer side of the mechanism side plate 1 in a vertically sliding mode, and specifically, the interlocking plate 11 is connected to the lower position of the outer side of the mechanism side plate 1 through the guide strip hole II 11-1 and the limit of the guide pin. The lower part of the interlocking driving plate 6 is connected with one side of an interlocking plate 11 through a pressure spring 4. The interlocking bent plate 7 can be arranged on the inner side of the mechanism side plate 1 in a vertically sliding mode, and specifically, the interlocking bent plate 7 is connected to the inner side of the mechanism side plate 1 through the guide strip hole III 7-1 and the limit of the guide pin. The interlocking piece 10 is hinged to the mechanism side plate 1 below the interlocking bent plate 7, the opening shaft 2 is rotatably supported on the mechanism side plate 1 below the interlocking piece 10, as shown in fig. 5, a closing bent plate 3 is sleeved on the opening shaft 2 in a hollow mode, an opening bent plate 12 and an elastic pin 5 are fixed on the opening shaft 2, and the opening bent plate 12 is fixed on the opening shaft 2 through a screw 13. The upper end of the interlocking bent plate 7 is connected with the upper end of the interlocking plate 11, specifically, the driving pin 8 is welded at the upper end of the interlocking bent plate 7, and the upper end of the interlocking plate 11 penetrates through the driving pin 8 through a pin hole to realize connection with the interlocking bent plate 7. The lower end of the interlocking bent plate 7 is connected with an interlocking piece 10 through a small pressure spring 9. When the interlocking piece 10 rotates, the tail part can lock the root part of the closing bent plate 3, so that the breaker cannot be closed. When the interlocking drive plate 6 moves downwards, the lower end of the interlocking drive plate can be propped against the elastic pin 5, and the interlocking drive plate 6 drives the elastic pin 5 to rotate the brake separating shaft 2, so that the breaker is separated.
The utility model discloses an action principle: when the circuit breaker has misoperation, an interlocking interface can apply downward force to an interlocking drive plate 6, the interlocking drive plate 6 slides downwards on a mechanism side plate 1 and drives a pressure spring 4 to compress downwards, an interlocking plate 11 moves downwards under the action of the pressure spring 4, the interlocking plate 11 drives an interlocking bent plate 7 to move downwards through a drive pin 8, the interlocking bent plate 7 drives a small pressure spring 9 to compress and move downwards, the small pressure spring 9 drives an interlocking piece 10 hinged on the mechanism side plate 1 to rotate, the tail part of the interlocking piece 10 locks the root part of a closing bent plate 3, the circuit breaker cannot be closed, meanwhile, the lower end of the interlocking drive plate 6 abuts against an elastic pin 5 at the end of a switching-off shaft 2, the switching-off shaft 2 drives the switching-off bent plate 12 to rotate, and the circuit breaker is kept in a tripping state, as shown in fig. 2, and in a linkage locking state. After the interlocking is released, the interlocking returns to the original state under the action of the two compression springs, and the interlocking is in a free interlocking state as shown in fig. 1.
The utility model relates to a simple reliable mechanical type interlocking mode has solved the unreliable, easy malfunctioning drawback of circuit breaker interlocking in the past, can accomplish fixed circuit breaker, handcart-type circuit breaker interface general, and simple structure saves space.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (4)
1. A mechanical interlocking device of a circuit breaker is characterized in that: the interlocking device comprises an external interlocking mechanism arranged on the outer side of a mechanism side plate (1) and an internal interlocking mechanism arranged on the inner side of the mechanism side plate (1), wherein the external interlocking mechanism comprises an interlocking driving plate (6) and an interlocking plate (11), and the internal interlocking mechanism comprises an interlocking bent plate (7), an interlocking piece (10) and a brake separating shaft (2); the interlocking driving plate (6) can be arranged at the upper position of the outer side of the mechanism side plate (1) in a vertically sliding manner, the interlocking plate (11) can be arranged at the lower position of the outer side of the mechanism side plate (1) in a vertically sliding manner, and the lower part of the interlocking driving plate (6) is connected with one side of the interlocking plate (11) through a pressure spring (4); interlocking bent plate (7) can slide from top to bottom and locate mechanism curb plate (1) inboard, interlocking piece (10) articulate on mechanism curb plate (1) of interlocking bent plate (7) below, divide brake shaft (2) rotatable support on mechanism curb plate (1) of interlocking piece (10) below, it has combined floodgate bent plate (3) to divide brake shaft (2) overhead cover, be fixed with on dividing brake shaft (2) and divide brake bent plate (12) and elastic pin (5), interlocking bent plate (7) upper end and interlocking plate (11) upper end are connected, interlocking bent plate (7) lower extreme is connected with interlocking piece (10) through little pressure spring (9).
2. A mechanical interlock device for a circuit breaker according to claim 1, wherein: the interlocking driving plate (6) is connected to the upper position of the outer side of the mechanism side plate (1) through a guide strip hole I (6-1) and the limit of a guide pin; the interlocking plate (11) is connected to the lower part of the outer side of the mechanism side plate (1) through a guide strip hole II (11-1) and the limit of a guide pin; the interlocking bent plate (7) is connected to the inner side of the mechanism side plate (1) through the guide strip hole III (7-1) and the limit of the guide pin.
3. A mechanical interlock device for a circuit breaker according to claim 1, wherein: the upper end of the interlocking bent plate (7) is welded with a driving pin (8), and the upper end of the interlocking plate (11) penetrates through the driving pin (8) through a pin hole.
4. A mechanical interlock device for a circuit breaker according to claim 1, wherein: the brake separating bent plate (12) is fixed on the brake separating shaft (2) through a screw (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221169949.0U CN217239313U (en) | 2022-05-16 | 2022-05-16 | Mechanical interlocking device of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221169949.0U CN217239313U (en) | 2022-05-16 | 2022-05-16 | Mechanical interlocking device of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217239313U true CN217239313U (en) | 2022-08-19 |
Family
ID=82824030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221169949.0U Active CN217239313U (en) | 2022-05-16 | 2022-05-16 | Mechanical interlocking device of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217239313U (en) |
-
2022
- 2022-05-16 CN CN202221169949.0U patent/CN217239313U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4866400B2 (en) | Circuit breaker with automatic release link mechanism | |
| CN111477511A (en) | Plug-in circuit breaker | |
| CN217239313U (en) | Mechanical interlocking device of circuit breaker | |
| CN217333964U (en) | Circuit breaker | |
| CN108521096B (en) | Interlocking device and electrical system | |
| CN212750772U (en) | Operating mechanism of circuit breaker and circuit breaker | |
| CA2732177C (en) | Resistance device for high voltage switch assembly | |
| CN211828660U (en) | Plug-in circuit breaker | |
| CN211404385U (en) | Mechanical variable contact pressure isolating switch | |
| CN109686597B (en) | Three-station mechanism | |
| CN210296222U (en) | Vacuum circuit breaker interlocking mechanism | |
| CN213341401U (en) | Earthing switch and handcart locking mechanism | |
| CN207503860U (en) | A kind of transmission mechanism of high-voltage combined electrical apparatus | |
| CN215870490U (en) | Mechanical interlocking device for improving safety operation of drawer type circuit breaker and mounting structure | |
| CN114420479B (en) | Cable chamber door interlocking structure of upper three-station ring main unit | |
| CN215496582U (en) | Circuit breaker isolation structure and circuit breaker | |
| CN112447454A (en) | Circuit breaker | |
| CN220710154U (en) | Static contact locking device for molded case circuit breaker | |
| CN210575773U (en) | Integral type linkage alarm mechanism of reserve protector | |
| CN217486037U (en) | Interlocking structure of chassis car circuit breaker | |
| CN220651856U (en) | Brake separating mechanism and distribution box | |
| CN218482125U (en) | Indicating mechanism | |
| CN218730610U (en) | High-voltage alternating-current isolating switch | |
| CN219418837U (en) | Switch structure of protection against electric shock | |
| CN211150459U (en) | Circuit breaker opening and closing mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |