CN214099544U - Linkage structure of multi-pole circuit breaker - Google Patents
Linkage structure of multi-pole circuit breaker Download PDFInfo
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- CN214099544U CN214099544U CN202022004429.1U CN202022004429U CN214099544U CN 214099544 U CN214099544 U CN 214099544U CN 202022004429 U CN202022004429 U CN 202022004429U CN 214099544 U CN214099544 U CN 214099544U
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Abstract
The utility model relates to the field of low-voltage electrical appliances, in particular to a linkage structure of a multi-pole circuit breaker, which comprises a plurality of buttons, linkage parts and connecting rods arranged on the multi-pole circuit breaker; the linkage piece comprises a linkage piece operation plate and at least one linkage piece connecting plate arranged on one side of the linkage piece operation plate, each linkage piece connecting plate is arranged between two adjacent buttons, each linkage piece connecting plate is connected with the two buttons through a connecting rod, each connecting rod is positioned between the two adjacent buttons, is inserted on the linkage piece connecting plate and is in limit connection with the two buttons at two ends; the linkage piece drives a plurality of buttons to synchronously and linearly move, so that the multi-pole circuit breaker is switched on/off; the utility model discloses multipole circuit breaker's linkage structure, simple structure, the assembly and the operation of being convenient for.
Description
Technical Field
The utility model relates to a low-voltage apparatus field, concretely relates to linkage structure of multipole circuit breaker.
Background
A circuit breaker is a switching device capable of closing, carrying and breaking current under normal circuit conditions and capable of breaking current under conditions of overload, short circuit, and the like. The existing multi-pole circuit breaker has the problems that all circuit breaker bodies are linked in a plunger mode and the like, the installation is complicated, and the production efficiency is low; when each circuit breaker body assembles, do not have the pre-installation structure, cause the assembly inconvenient.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a linkage structure of multipole circuit breaker, simple structure, the assembly and the operation of being convenient for.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a linkage structure of a multi-pole circuit breaker comprises a plurality of buttons 1a, a linkage piece 2 and a connecting rod 3 which are arranged on the multi-pole circuit breaker; the linkage part 2 comprises a linkage part operating plate 2a and at least one linkage part connecting plate 2c arranged on one side of the linkage part operating plate 2a, each linkage part connecting plate 2c is arranged between two adjacent buttons 1a, each linkage part connecting plate 2c is connected with the two buttons 1a through a connecting rod 3, each connecting rod 3 is positioned between the two adjacent buttons 1a, inserted on the linkage part connecting plate 2c, and two ends of each connecting rod are respectively connected with the two buttons 1a in a limiting manner; the linkage 2 drives the buttons 1a to synchronously and linearly move, so that the multi-pole circuit breaker is switched on/off.
Preferably, the linkage connecting plate 2c comprises a first through hole 20c for the connecting rod 3 to pass through, and the button 1a comprises a first blind hole 10a in plug fit with the connecting rod 3.
Preferably, at least one of the two ends of the connecting rod 3 is in interference fit with the first blind hole 10a of the button 1 a.
Preferably, one end of the connecting rod 3 is provided with an interference fit structure 3a, and the maximum outer diameter of the interference fit structure 3a is larger than the outer diameter of the rest part of the connecting rod 3 and larger than the outer diameter of the first blind hole 10 a.
Preferably, the linkage member 2 comprises a plurality of linkage member connection plates 2c arranged side by side at intervals, and at least one button 1a is arranged between two adjacent linkage member connection plates 2 c.
Preferably, two arbitrary adjacent button 1a all are equipped with a linkage connecting plate 2c between, and the one side that is close to the middle part of two button 1a that are located both ends is equipped with first blind hole 10a, and the both sides of the button 1a that are located the middle part all are equipped with first blind hole 10 a.
Preferably, two buttons 1a are arranged between two adjacent linkage connecting plates 2 c.
Preferably, the middle of at least one of the buttons 1a is provided with a switching-on/off indicator 1f, the button 1a is provided with a button indicating hole 11a, the linkage operating plate 2a is provided with a linkage indicating hole 2b which is relatively matched with the button indicating hole 11a, and the switching-on/off indicator 1f is visible through the button indicating hole 11a and the linkage indicating hole 2b in sequence.
Preferably, the linkage indication hole 2b is a tapered hole, and a small opening end thereof is oppositely matched with the button indication hole 11 a.
The utility model discloses a multipole circuit breaker, its linkage structure has realized the synchronous combined floodgate/separating brake of each circuit breaker body 1 of multipole circuit breaker, and overall structure is simple, is convenient for install and operate.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of the multipole circuit breaker according to the invention, the linkage and the buttons being in an assembled condition;
fig. 2 is a schematic structural view of a first embodiment of the multipole circuit breaker according to the present invention, with the linkage and the buttons in a disassembled state, again showing the first blind holes of the buttons;
fig. 3 is a schematic structural view of a second embodiment of the multipole circuit breaker of the present invention, showing at least a limit boss;
fig. 4 is a schematic structural view of a second embodiment of the multipole circuit breaker of the present invention, showing at least a limit groove;
fig. 5 is a schematic structural view of the linkage member of the present invention;
fig. 6 is a schematic structural view of the connecting rod of the present invention.
Detailed Description
The following description will further describe the embodiments of the multi-pole circuit breaker according to the present invention with reference to the embodiments shown in fig. 1 to 6. The multi-pole circuit breaker of the present invention is not limited to the description of the following embodiments.
As shown in fig. 1-4, the utility model discloses multipole circuit breaker includes a plurality of circuit breaker bodies 1 and the linkage structure that sets up side by side, and the linkage structure includes button 1a and linkage 2 of each circuit breaker body 1, and linkage 2 cooperates with button 1a, and the synchronous rectilinear movement of each button 1a of drive makes each circuit breaker body 1 switch on/separating brake in step, also makes multipole circuit breaker switch on/separating brake. Further, as shown in fig. 1 to 4, the circuit breaker body 1 is a plug-in type circuit breaker.
Preferably, as shown in fig. 1 to 4, the circuit breaker body 1 includes housings, and the housings are arranged side by side. Of course, the circuit breaker bodies 1 may also share a housing, and each circuit breaker pole body 1 includes at least one circuit breaker pole circuit, which is in driving connection with the button 1 a.
Preferably, as shown in fig. 1-4, the utility model discloses linkage structure of circuit breaker, its linkage 2 include linkage operation panel 2a and at least one linkage connecting plate 2c of setting in linkage curb plate 2a one side, and every linkage connecting plate 2c all links to each other with two buttons 1a through connecting rod 3, and every connecting rod 3 all is located between two adjacent buttons 1a, plant on linkage connecting plate 2c and both ends respectively with two buttons 1a spacing continuous. Further, the linkage connecting plate 2c comprises a first through hole 20c for the connecting rod 3 to pass through, and the button 1a comprises a first blind hole 10a in plug-in fit with the connecting rod 3. The linkage structure realizes synchronous switching-on/switching-off of each breaker body 1 of the multi-pole breaker, and is simple in overall structure and convenient to install and operate.
Preferably, the utility model discloses multipole circuit breaker, its a plurality of circuit breaker body 1 accessible are connected as follows: as shown in fig. 3 and 4, the multi-pole circuit breaker includes circuit breaker connection holes and connection pieces 4, each group of circuit breaker connection holes is formed by connecting end-to-end shell connection holes 1b of a plurality of shells, and one connection piece 4 is inserted into each group of circuit breaker connection holes; the multi-pole circuit breaker further comprises a limiting structure arranged between the adjacent shells, wherein the limiting structure comprises a limiting boss 1g and a limiting groove 1h which are respectively arranged on the two connected shells. The breaker connecting hole is matched with the connecting piece 4, and the limiting boss 1g and the limiting groove 1h of the limiting structure are matched, so that the reliable connection between the breaker bodies 1 is realized; and limit structure has realized the pre-assembly of each circuit breaker body 1 for the cooperation of connecting piece 4 and circuit breaker connecting hole is more smooth and easy. Further, as shown in fig. 3 and 4, the connecting member 4 is a rivet, and two ends of each group of connecting holes of the circuit breaker are respectively provided with an avoiding groove coaxially arranged with the connecting member for accommodating two ends of the connecting member 4.
Preferably, as shown in fig. 1-4, the multi-pole circuit breaker comprises at least two sets of breaker connection holes and two connecting pieces 4.
As shown in fig. 1 and 2, a multipole circuit breaker according to a first embodiment of the present invention is provided.
The utility model discloses a multipole circuit breaker comprises three circuit breaker bodies 1 and a linkage structure which are arranged side by side, wherein the circuit breaker body is a plug-in circuit breaker and comprises a button 1 a; the linkage structure comprises linkage parts 2 matched with the buttons 1a, and the linkage parts 2 drive the buttons 1a to synchronously and linearly move, so that the circuit breakers 1 are synchronously switched on/off, namely the multi-pole circuit breaker is switched on/off.
Preferably, as shown in fig. 1 and 2, the link 2 includes a link operating plate 2a and two link connecting plates 2c disposed at one side of the link operating plate 2a, each link connecting plate 2c being disposed between two adjacent buttons 1a and connected to the two buttons 1a by a link 3. Further, as shown in fig. 2, the linkage connecting plate 2c includes a first through hole 20c, the button 1a includes a first blind hole 10a, the connecting rod 3 is inserted into the first through hole 20c, and two ends of the connecting rod are respectively inserted into the two first blind holes 10 a. Specifically, as shown in fig. 2, the linkage member 2 includes two linkage member connection plates 2c, each linkage member connection plate 2c is adjacent to two buttons 1a through two connecting rods 3, each linkage member connection plate 2c includes two first through holes 20c arranged at intervals side by side, two first blind holes 10a arranged at intervals side by side are arranged on one sides of the two buttons 1a at two ends close to the middle portion, and two first blind holes 10a arranged at intervals side by side are arranged on two sides of the button 1a in the middle portion.
Preferably, at least one of the two ends of the connecting rod 3 is in interference fit with the first blind hole 10a of the button 1 a. Further, as shown in fig. 6, an interference fit structure 3a is disposed at one end of the connecting rod 3, and a maximum outer diameter of the interference fit structure 3a is larger than the outer diameter 3a of the rest portion of the connecting rod 3 and larger than the outer diameter of the first blind hole 10 a. Specifically, as shown in fig. 6, the connecting rod 3 is made of a bar-shaped metal, and one end of the connecting rod 3 is flattened into an interference fit structure 3a, which is substantially an oval structure.
Preferably, as shown in fig. 1 and 2, at least one of the buttons 1a is provided with a switching indicator 1f in the middle, the button 1a is provided with a button indicator hole 11a, the linkage operating plate 2a is provided with a linkage indicator hole 2b which is relatively matched with the button indicator hole 11a, and the switching indicator 1f is visible through the button indicator hole 11a and the linkage indicator hole 2b in sequence. Specifically, as shown in fig. 1 and 2, a button indicating member 1f is disposed in the middle of each button 1a, a button indicating hole 11a is disposed in each button 1a, and three linkage indicating holes 2b are disposed in the linkage operating plate 2a and respectively matched with the three button indicating holes 11 a.
Preferably, as shown in fig. 1 and 2, the linkage indication hole 2b is a tapered hole, and a small opening end thereof is oppositely fitted to the button indication hole 11 a.
Preferably, as shown in fig. 1 and 2, in conjunction with fig. 3 and 4, the multi-pole circuit breaker of the present invention includes a breaker connecting hole and a connecting member 4; the circuit breaker body 1 comprises a shell, and the shell comprises a shell connecting hole 1 b; each group of circuit breaker connecting holes are formed by connecting shell connecting holes 1b of each shell end to end, and a connecting piece 4 is inserted into each group of circuit breaker connecting holes; the multi-pole circuit breaker further comprises a limiting structure which is arranged between the adjacent shells and is coaxial with the connecting piece 4, and the limiting structure comprises a limiting boss 1g and a limiting groove 1h which are in limiting fit and are respectively arranged on the two adjacent shells. Specifically, as shown in fig. 1 and 2, the breaker attachment hole extends in the thickness direction of the multi-pole breaker, and the connecting member 4 sequentially connects all the breaker bodies 1.
Preferably, as shown in fig. 2 and 3, the limiting boss 1g is an annular boss; as shown in fig. 4, the limiting groove 1g is an annular counter bore.
Preferably, as shown in fig. 1 and 2, the connecting member has 4 rivets, and two ends of each group of connecting holes of the circuit breaker are respectively provided with an avoiding groove coaxially arranged with the connecting member for accommodating two ends of the connecting member 4. Further, the avoiding groove is an annular counter bore.
As shown in fig. 3 and 4, a multipole circuit breaker according to a second embodiment of the present invention is shown.
The multi-pole circuit breaker of the first embodiment is different in that: comprising four circuit breaker bodies 1.
Preferably, as shown in fig. 4 and 5, the linkage 2 includes two linkage connection plates 2c, one is disposed between the buttons 1a of the two circuit breaker bodies 1 at one end of the multi-pole circuit breaker, the other is disposed between the buttons 1a of the other two circuit breaker bodies, and two buttons 1a are disposed between the two linkage connection plates 2 c.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (9)
1. A linkage structure of a multi-pole circuit breaker comprises a plurality of buttons (1a), a linkage piece (2) and a connecting rod (3) which are arranged on the multi-pole circuit breaker; the method is characterized in that: the linkage piece (2) comprises a linkage piece operating plate (2a) and at least one linkage piece connecting plate (2c) arranged on one side of the linkage piece operating plate (2a), each linkage piece connecting plate (2c) is arranged between two adjacent buttons (1a), each linkage piece connecting plate (2c) is connected with the two buttons (1a) through connecting rods (3), each connecting rod (3) is located between the two adjacent buttons (1a), is inserted into the linkage piece connecting plate (2c), and is in limit connection with the two buttons (1a) at two ends; the linkage piece (2) drives the buttons (1a) to do synchronous linear motion, so that the multi-pole circuit breaker is switched on/off.
2. The linkage structure of a multipole circuit breaker according to claim 1, characterized in that: the linkage connecting plate (2c) comprises a first through hole (20c) for the connecting rod (3) to penetrate through, and the button (1a) comprises a first blind hole (10a) in plug-in fit with the connecting rod (3).
3. The linkage structure of a multipole circuit breaker according to claim 1 or 2, characterized in that: at least one end of the two ends of the connecting rod (3) is in interference fit with the first blind hole (10a) of the button (1 a).
4. The linkage structure of a multipole circuit breaker according to claim 3, characterized in that: one end of the connecting rod (3) is provided with an interference fit structure (3a), and the maximum outer diameter of the interference fit structure (3a) is larger than the outer diameter of the rest part of the connecting rod (3) and larger than the outer diameter of the first blind hole (10 a).
5. The linkage structure of a multipole circuit breaker according to claim 1, characterized in that: the linkage piece (2) comprises a plurality of linkage piece connecting plates (2c) arranged side by side at intervals, and at least one button (1a) is arranged between every two adjacent linkage piece connecting plates (2 c).
6. The linkage structure of a multipole circuit breaker according to claim 5, characterized in that: any two adjacent button (1a) between all be equipped with a linkage connecting plate (2c), be located two buttons (1a) at both ends and be close to one side in middle part and be equipped with first blind hole (10a), be located the both sides of button (1a) in middle part and all be equipped with first blind hole (10 a).
7. The linkage structure of a multipole circuit breaker according to claim 5, characterized in that: two buttons (1a) are arranged between two adjacent linkage connecting plates (2 c).
8. The linkage structure of a multipole circuit breaker according to claim 1, characterized in that: at least one button (1a) middle part is equipped with divide-shut brake indicator (1f), and button (1a) is equipped with button and instructs hole (11a), and linkage operation panel (2a) are equipped with linkage instruction hole (2b) with button instruction hole (11a) relative complex, and divide-shut brake indicator (1f) sees through button instruction hole (11a), linkage instruction hole (2b) in proper order and sees.
9. The linkage structure of a multipole circuit breaker according to claim 8, characterized in that: linkage member instructs hole (2b) for the bell mouth, and its osculum end and button instruct hole (11a) relatively cooperate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022004429.1U CN214099544U (en) | 2020-09-14 | 2020-09-14 | Linkage structure of multi-pole circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022004429.1U CN214099544U (en) | 2020-09-14 | 2020-09-14 | Linkage structure of multi-pole circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214099544U true CN214099544U (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022004429.1U Active CN214099544U (en) | 2020-09-14 | 2020-09-14 | Linkage structure of multi-pole circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214099544U (en) |
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2020
- 2020-09-14 CN CN202022004429.1U patent/CN214099544U/en active Active
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