CN214313098U - Multi-pole circuit breaker - Google Patents
Multi-pole circuit breaker Download PDFInfo
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- CN214313098U CN214313098U CN202023086714.9U CN202023086714U CN214313098U CN 214313098 U CN214313098 U CN 214313098U CN 202023086714 U CN202023086714 U CN 202023086714U CN 214313098 U CN214313098 U CN 214313098U
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- circuit breaker
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- breaker
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Abstract
The utility model relates to the field of low-voltage apparatus, in particular to a multi-pole circuit breaker, which comprises at least one button and a plurality of breaker poles, wherein each breaker pole comprises an operating mechanism, each operating mechanism comprises a handle piece which is arranged in a pivoting way, and the button is connected with the handle piece in a driving way through a first connecting rod; the multi-pole circuit breaker also comprises a linkage shaft, and the handle pieces are connected through the linkage shaft and coaxially linked; the utility model discloses multipolar circuit breaker, its each circuit break utmost point divide-shut brake action synchronism is reliable and stable.
Description
Technical Field
The utility model relates to a low-voltage apparatus field, concretely relates to multipole circuit breaker.
Background
Traditional multipolar circuit breaker product (like the 4P product), generally assemble by many single-pole circuit breakers and form, every single-pole circuit breaker all includes operating device, generally realizes multipolar divide-shut brake through the linkage (for example plug-in circuit breaker passes through the linkage and connects the button of each utmost point), because fit clearance and part deformation scheduling problem, the asynchronous problem of multipolar circuit breaker divide-shut brake often can appear.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a multipolar circuit breaker, its each circuit break utmost point divide-shut brake action synchronism is reliable and stable.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a multipole circuit breaker comprising at least one push-button 1 and a plurality of breaker poles, each breaker pole comprising an operating mechanism, each operating mechanism comprising a pivotally arranged handle member 2, the push-button 1 being drivingly connected to the handle member 2 by a first link 7; the multi-pole circuit breaker further comprises a linkage shaft 6, and the handle pieces 2 are connected through the linkage shaft 6 and are in coaxial linkage.
Preferably, the linkage shaft 6 is of a polygonal prism structure, the handle piece 2 comprises connecting holes 2-6 matched with the linkage shaft 6, and the handle piece 2 and the linkage shaft 6 are coaxially arranged.
Preferably, the handle part 2 comprises a first shaft part 21, a handle part main body 20 and a second shaft part 22 which are coaxially arranged in sequence, connecting holes 2-6 matched with the linkage shaft 6 are formed in the middle parts of the first shaft part 21 and the second shaft part 22, and first connecting rod holes 2-7 and second connecting rod holes 2-8 are formed in one side of the handle part main body 20.
Preferably, each operating mechanism further comprises a second connecting rod 8, a locking piece 9, a trip piece 1a and a contact support 2a, the contact support 2a is pivotally arranged, the locking piece 9 and the trip piece 1a are respectively pivotally arranged on the contact support 2a and are in locking fit, the handle piece 2a is in driving connection with the locking piece 9 through the second connecting rod 8, and the contact support 2a is in driving connection with the movable contact 3a of the breaker pole.
Preferably, each of the circuit breaking units is a single-pole circuit breaker, each single-pole circuit breaker comprises a housing, a button 1 slidably disposed on the housing, and an operating mechanism disposed in the housing, and each button 1 is drivingly connected to the handle member 2 of the corresponding operating mechanism through a first connecting rod 7.
Preferably, the multipole circuit breaker further comprises a button linkage H, each of which is fixedly connected to a button 1 of each breaker pole.
Preferably, each of the housings includes a base, a partition plate 4 and a cover, the partition plate 4 being disposed between the base and the cover, the base and the cover being fitted to each other, and the operating mechanism being disposed between the base and the partition plate 4.
Preferably, the base and the partition 4 are respectively provided with mounting holes for rotatably fitting the handle member 2.
Preferably, in the adjacent breaker poles, the base of one breaker pole is arranged adjacent to the cover of the other breaker pole, the base is an adjacent base, the cover is an adjacent cover, and the adjacent base and the adjacent cover are respectively provided with an avoidance hole for the universal driving shaft 6 to pass through.
The utility model discloses a multipolar circuit breaker, its universal driving shaft 6 has realized the coaxial linkage of each operating device's handle 2, has guaranteed the synchronism of the utmost point divide-shut brake that each opens circuit of multipolar circuit breaker.
In addition, the button linkage piece H is fixedly connected with the buttons 1 of the breaker poles, so that the linkage of the buttons 1 is realized, and the synchronism of opening and closing actions among the breaker poles of the multi-pole breaker is favorably improved.
Drawings
Fig. 1 is a schematic structural view of the multi-pole circuit breaker of the present invention;
FIG. 2 is a schematic structural diagram of the breaking electrode of the present invention;
FIG. 3 is a schematic view of the handle member of the present invention;
FIG. 4 is a schematic structural diagram of a base of the left end breaker of the present invention;
FIG. 5 is a schematic structural diagram of the base of the middle and right hand trip electrodes of the present invention;
FIG. 6 is a schematic structural view of the separator of the present invention;
FIG. 7 is a schematic structural view of the cover of the left end breaker pole and the middle breaker pole of the present invention;
fig. 8 is a schematic structural view of the cover of the right end breaker 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 8. The multi-pole circuit breaker of the present invention is not limited to the description of the following embodiments.
The utility model discloses a multipole circuit breaker, it includes at least one button 1 and a plurality of circuit breaker poles, and every circuit breaker pole all includes operating device, and every operating device includes handle spare 2 that the pivot set up, and button 1 is connected with handle spare 2 drive through first connecting rod 7; the multi-pole circuit breaker further comprises a linkage shaft 6, and the handle pieces 2 are connected through the linkage shaft 6 and are in coaxial linkage.
The utility model discloses a multipolar circuit breaker, its universal driving shaft 6 has realized the coaxial linkage of each operating device's handle 2, has guaranteed the synchronism of the utmost point divide-shut brake that each opens circuit of multipolar circuit breaker.
Preferably, as shown in fig. 1 and 2, the button 1 is operated to drive the handle member 2 to rotate through the first connecting rod 7, so as to close/open the multi-pole circuit breaker. Further, pressing/pulling the button 1 drives the handle member 2 to rotate through the first link 7.
Preferably, as shown in fig. 1, the linkage shaft 6 is of a polygonal prism structure; as shown in fig. 2, the handle member 2 comprises a connecting hole 2-6 matched with a linkage shaft 6; the linkage shaft 6 and the handle piece 2 are simple to assemble and stable in work.
Preferably, as shown in fig. 1, each of the circuit breakers is a single-pole circuit breaker, each single-pole circuit breaker includes a housing, a button 1 disposed on the housing, and an operating mechanism disposed in the housing, and each button 1 is drivingly connected to the handle member 2 of the corresponding operating mechanism through a first connecting rod 7.
It should be noted that the multi-pole circuit breaker of the present invention may also include a main housing, and each of the breaker poles is disposed in the main housing at an interval side by side.
The multi-pole circuit breaker of the present invention will be further described with reference to the drawings and the specific embodiments.
As shown in fig. 1 and 2, the circuit breaker of the present invention is a first embodiment.
The utility model discloses multipole circuit breaker includes at least one button 1, a plurality of utmost point and the universal driving shaft 6 that opens circuit, and every utmost point that opens circuit all includes operating device, and every operating device includes handle spare 2 that the pivot set up, and button 1 links to each other with the drive of handle spare 2 through first connecting rod 7, and each handle spare 2 links to each other and coaxial linkage through universal driving shaft 6. Further, a linkage shaft 6 is arranged between the adjacent circuit breaking electrodes, and two ends of each linkage shaft 6 are in driving connection with the two handle pieces 2; or the handle piece 2 of each breaking pole is in driving connection with a linkage shaft 6.
Preferably, as shown in fig. 1, the linkage shaft 6 is of a polygonal prism structure; as shown in figure 2, the handle piece 2 comprises connecting holes 2-6 matched with the linkage shaft 6, and the handle piece 2 and the linkage shaft 6 are coaxially arranged. It should be pointed out that the handle pieces 2 and the linkage shafts 6 can also be arranged not coaxially, but at least two linkage shafts are used for connecting the adjacent handle pieces 2 to realize the linkage of the handle pieces and the linkage shafts; the application preferably employs a coaxial arrangement of the handle member 2 and the linkage shaft 6.
It should be pointed out that one end of the handle piece 2 of the middle breaking pole 1M is provided with connecting holes 2-6, the other end is provided with a linkage shaft 6, and the linkage shaft 6 and the handle piece 2 are of an integrated structure; in the adjacent handle pieces 2, the connecting holes 2-6 of one handle piece 2 are matched with the linkage shaft 6 of the other handle piece 2; the handle pieces 2 of the left end breaking electrode 1L and the right end breaking electrode 1R only need one end to be provided with a connecting hole 2-6 matched with the linkage shaft 6. The multi-pole circuit breaker of the application preferably adopts a split structure by the handle piece 2 and the linkage shaft 6.
Preferably, as shown in fig. 1 and 2, each of the breaking poles is a single-pole breaker, each single-pole breaker includes a housing, a button 1 slidably disposed on the housing, and an operating mechanism disposed in the housing, and each button 1 is drivingly connected to the handle member 2 of the corresponding operating mechanism through a first connecting rod 7.
Preferably, as shown in fig. 1, the multi-pole circuit breaker further includes button linkages H fixedly connected to the buttons 1 of the respective breaker poles, so as to achieve linkage of the respective buttons 1, thereby facilitating improvement of synchronism of opening and closing operations between the breaker poles of the multi-pole circuit breaker. It should be noted that the multi-pole circuit breaker of the present invention may not include the button linkage H, and the button linkage H is preferably adopted to fixedly connect the buttons 1.
Specifically, as shown in fig. 1, the multi-pole circuit breaker of the present invention includes four breaker poles (3 breaker poles are shown in fig. 1, and one breaker pole is omitted), namely, a left breaker pole 1L disposed on the left side, a right breaker pole 1R disposed on the right side, and an intermediate breaker pole 1M disposed between the left breaker pole 1L and the right breaker pole 1R, wherein the number of the intermediate breaker poles 1M can be increased or decreased (the number of the intermediate breaker poles 1M can be 0, 1 or 2, or more) according to actual needs; each circuit breaking pole comprises a shell, buttons 1 arranged on the shell in a sliding mode and an operating mechanism arranged in the shell 1, each operating mechanism comprises a handle piece 2 arranged on the shell in a pivoting mode, and each button 1 is connected with the handle piece 2 of the corresponding operating mechanism in a driving mode through a first connecting rod 7; the handle pieces 2 of the four breaking poles are in driving connection with a linkage shaft 6 and are in coaxial linkage; the buttons 1 of the four circuit breaking poles are respectively connected with a button linkage member H, so that the synchronous action of the four buttons 1 is realized.
Preferably, as shown in fig. 2, each of the operating mechanisms further includes a second link 8, a latch member 9, a trip member 1a, and a contact support 2a, the contact support 2a is pivotally disposed, the latch member 9 and the trip member 1a are respectively pivotally disposed on the contact support 2a and are in latching engagement, the handle member 2a is drivingly connected to the latch member 9 through the second link 8, and the contact support 2a is drivingly connected to the movable contact 3a of the breaker pole. Further, the contact support 2a is pivotally provided on the housing.
Preferably, as shown in fig. 3, is an embodiment of the handle member 2: the handle piece 2 comprises a first shaft part 21, a handle piece main body 20 and a second shaft part 22 which are coaxially arranged in sequence, and connecting holes 2-6 matched with the linkage shaft 6 are formed in the middle parts of the first shaft part 21 and the second shaft part 22. Further, a first connecting rod hole 2-7 connected with the first connecting rod 7 and a second connecting rod hole 2-8 connected with the second connecting rod 8 are formed in one side of the handle member main body 20.
Preferably, as shown in fig. 1 and 4-8, each of the housings includes a base, a partition plate 4 and a cover, the partition plate 4 being disposed between the base and the cover, the base and the cover being fitted to each other, and the operating mechanism being disposed between the base and the partition plate 4. Furthermore, the base and the partition plate 4 are respectively provided with a mounting hole which is rotatably matched with the handle piece 2.
Preferably, as shown in fig. 1 and 4-8, in the adjacent breaker poles, the base of one breaker pole is arranged adjacent to the cover of the other breaker pole, the base is an adjacent base, the cover is an adjacent cover, and the adjacent base and the adjacent cover are respectively provided with an avoidance hole for the linkage shaft 6 to pass through. Further, the inner diameter of the avoiding hole is smaller than that of the mounting hole.
Specifically, as shown in fig. 4, the base of the left end breaker electrode 1L is a left end base 3L, the left end base 3L is provided with a first mounting hole 3-2L (the first mounting hole 3-2L is preferably a blind hole) which is rotatably matched with the second shaft portion 22 of the handle member 2, and no avoidance hole for the universal driving shaft 6 to pass through is provided; as shown in fig. 5, the base of the middle breaker electrode 1M is a middle base 3M, the middle base 3M is provided with a second mounting hole 3-2M rotatably matched with the second shaft portion 22 of the handle member and a second avoidance hole 3-6M for the linkage shaft 6 to pass through, and the second mounting hole 3-2M and the second avoidance hole 3-6M are coaxially arranged; as shown in fig. 6, the partition plate 4 comprises a partition plate mounting hole 4-2 rotatably matched with the second shaft portion 22 and a partition plate avoiding hole 4-6 for the linkage shaft 6 to pass through, and the partition plate mounting hole 4-2 and the partition plate avoiding hole 4-6 are coaxially arranged; as shown in fig. 1 and 7, the covers of the left end breaker pole 1L and the middle breaker pole 1M are first type covers 5L, and the first type covers 5L include cover avoidance holes 5-6 for the linkage shaft 6 to pass through; the cover of the right-end open circuit electrode 1R is a second cover 5R, and the second cover 5R is not provided with a cover avoiding hole 5-6.
Preferably, as shown in fig. 1, one end of the button 1 is provided with a switching-on/off indication hole for indicating the switching-on/off state of the breaker electrode; and the button linkage member H is provided with a linkage member avoiding hole matched with the opening and closing indicating hole.
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 multipole circuit breaker comprising at least one push button (1) and a plurality of breaker poles, each breaker pole comprising an operating mechanism, each operating mechanism comprising a pivotally arranged handle member (2), the push button (1) being drivingly connected to the handle member (2) by a first link (7); the method is characterized in that: the multi-pole circuit breaker further comprises a linkage shaft (6), and the handle pieces (2) are connected through the linkage shaft (6) and are coaxially linked.
2. The multipole circuit breaker of claim 1, wherein: the linkage shaft (6) is of a multi-prism structure, the handle piece (2) comprises connecting holes (2-6) matched with the linkage shaft (6), and the handle piece (2) and the linkage shaft (6) are coaxially arranged.
3. The multipole circuit breaker of claim 1, wherein: handle spare (2) are including coaxial first axial region (21), handle spare main part (20) and the second axial region (22) that set up in proper order, first axial region (21) and second axial region (22) middle part all be equipped with universal driving shaft (6) complex connecting hole (2-6), handle spare main part (20) one side is equipped with first connecting rod hole (2-7) and second connecting rod hole (2-8).
4. The multipole circuit breaker of claim 1, wherein: each operating mechanism further comprises a second connecting rod (8), a locking piece (9), a tripping piece (1a) and a contact support (2a), the contact support (2a) is pivoted, the locking piece (9) and the tripping piece (1a) are respectively pivoted on the contact support (2a) and matched with each other in a locking manner, the handle piece (2) is in driving connection with the locking piece (9) through the second connecting rod (8), and the contact support (2a) is in driving connection with the moving contact (3a) of the open circuit pole.
5. The multipole circuit breaker according to any one of claims 1 to 4, characterized in that: every the pole circuit breaker that opens circuit is a monopole circuit breaker, and every monopole circuit breaker all includes the casing, slides button (1) and the operating device who sets up in the casing that sets up on the casing, and every button (1) links to each other with handle piece (2) drive that corresponds operating device through first connecting rod (7) respectively.
6. The multipole circuit breaker of claim 5, wherein: the multipole circuit breaker further comprises a button linkage (H) which is fixedly connected with the button (1) of each breaker pole respectively.
7. The multipole circuit breaker of claim 5, wherein: each shell comprises a base, a partition plate (4) and a cover, wherein the partition plate (4) is arranged between the base and the cover, the base and the cover are matched relatively, and an operating mechanism is arranged between the base and the partition plate (4).
8. The multipole circuit breaker of claim 7, wherein: the base and the partition plate (4) are respectively provided with mounting holes which are in running fit with the handle piece (2).
9. The multipole circuit breaker of claim 7, wherein: among the adjacent circuit-breaking poles, the base of one circuit-breaking pole is arranged adjacent to the cover of the other circuit-breaking pole, the base is an adjacent base, the cover is an adjacent cover, and the adjacent base and the adjacent cover are respectively provided with a avoidance hole for the universal driving shaft (6) to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023086714.9U CN214313098U (en) | 2020-12-18 | 2020-12-18 | Multi-pole circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023086714.9U CN214313098U (en) | 2020-12-18 | 2020-12-18 | Multi-pole circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN214313098U true CN214313098U (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023086714.9U Active CN214313098U (en) | 2020-12-18 | 2020-12-18 | Multi-pole circuit breaker |
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|---|---|
| CN (1) | CN214313098U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024008170A1 (en) * | 2022-07-07 | 2024-01-11 | 上海诺雅克电气有限公司 | Pulling and locking structure of circuit breaker and plug-in circuit breaker |
-
2020
- 2020-12-18 CN CN202023086714.9U patent/CN214313098U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024008170A1 (en) * | 2022-07-07 | 2024-01-11 | 上海诺雅克电气有限公司 | Pulling and locking structure of circuit breaker and plug-in circuit breaker |
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