CN212542327U - Circuit breaker with tripping structure - Google Patents
Circuit breaker with tripping structure Download PDFInfo
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- CN212542327U CN212542327U CN202021794811.0U CN202021794811U CN212542327U CN 212542327 U CN212542327 U CN 212542327U CN 202021794811 U CN202021794811 U CN 202021794811U CN 212542327 U CN212542327 U CN 212542327U
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- shell
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- circuit breaker
- circuit
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Abstract
The utility model relates to a circuit breaker technical field specifically is a circuit breaker with dropout structure, including the casing, the inboard top of casing is equipped with the static contact, and inboard bottom is equipped with U type iron core, is equipped with U type connecting block on the cantilever of U type iron core rear side, rotates in the U type connecting block and even has V type connecting rod, and V type connecting rod front side even has the moving contact, and the rear side even has compression spring, and U type iron core front side cantilever outside cover has the coil. This circuit breaker with dropout structure, during normal use, compression spring pulls up V type connecting rod, the moving contact contacts with the static contact, guarantee the circuit intercommunication, the circuit transships the back, it is great through coil current, the magnetism reinforcing of production, with the downward pulling of moving contact, break away from with the static contact, the circuit cut-off, coil magnetism disappears this moment, the moving contact is bounced under compression spring pulling force, the circuit is put through again, part electrical apparatus can not be from starting this moment, the circuit can normally work, need not artifical the reseing, convenient operation can reduce the potential safety hazard.
Description
Technical Field
The utility model relates to a circuit breaker technical field specifically is a circuit breaker with dropout structure.
Background
The circuit breaker is a switching device capable of closing, bearing and breaking current under normal or abnormal loop conditions, is high in reliability and sensitivity, can be widely applied to circuits, can effectively protect the circuits, and prevents the circuits from being damaged and potential safety hazards caused by overload.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circuit breaker with dropout structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a circuit breaker with a tripping structure comprises a shell, wherein a first wiring hole along the vertical direction is formed in the position, close to the front side edge, of the bottom of the shell, a first fixing hole communicated with the inside of the shell is formed in the inner wall of the first wiring hole, close to the top edge of the first wiring hole, a first wiring terminal extending to the inside of the shell is arranged in the first fixing hole, a first connecting hole communicated with the first wiring hole is formed in the front side of the shell, right ahead of the first fixing hole, the first connecting hole is connected with a first locking screw in a threaded mode, a second wiring hole along the vertical direction is formed in the position, close to the front side edge of the shell, in the top of the shell, the inner wall of the second wiring hole is provided with a second fixing hole communicated with the inside of the shell, a second wiring terminal extending to the inside of the shell is arranged in the second fixing hole, right ahead of the front side of the shell, a second connecting hole communicated with the second wiring hole, the improved structure of the automobile engine is characterized in that a second locking screw is connected to the second connecting hole in a threaded manner, a static contact is arranged at the top of the inner side of the shell, a U-shaped iron core is arranged at the bottom of the inner side of the shell, a U-shaped connecting block is arranged on a cantilever at the rear side of the U-shaped iron core, a V-shaped connecting rod is rotatably connected to the U-shaped groove of the U-shaped connecting block, a moving contact is connected to the front end of the V-shaped connecting rod, the rear end of the V-shaped connecting rod is connected with a fixed rod, a compression spring is connected to the bottom of the fixed rod, the bottom end of the compression spring is fixed to the bottom of the inner side of the shell, a coil is sleeved on the outer side of the cantilever at the front side of the U-shaped iron core.
Preferably, the fixed contact is fixed on the housing in an adhesive manner.
Preferably, the U-shaped iron core is fixed to the housing by bonding.
Preferably, the fixing rod and the V-shaped connecting rod are of an integrally formed structure.
Preferably, the moving contact is tightly adhered to the V-shaped connecting rod.
Preferably, the mounting panel is the integrated into one piece structure with the casing, the mounting panel front side is opened and is equipped with the even and mounting groove that runs through of a plurality of distributions.
Compared with the prior art, the beneficial effects of the utility model are that:
the circuit breaker with the tripping structure fixes the moving contact on a V-shaped connecting rod which is connected in a rotating way, the V-shaped connecting rod is fixed with a shell through a compression spring, when the circuit breaker is in normal use, the V-shaped connecting rod is pulled up through the elastic potential force of the compression spring, so that the moving contact is contacted with the static contact, the communication of a circuit is ensured, when the circuit is overloaded, the current passing through a coil is larger, the generated magnetism is enhanced, when the attraction of the magnetism generated by the coil to the moving contact is larger than the elastic potential force of the compression spring, the moving contact is pulled downwards to be separated from the static contact, the circuit is cut off, the damage and the potential safety hazard caused by the overload of the circuit are prevented, after the circuit is cut off, the magnetism of the coil disappears, the moving contact and the V-shaped connecting rod are bounced under the tension of the compression spring and are contacted with the static, the reset switch-on is not needed manually, the operation is convenient, and the potential safety hazard can be reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall structure of the present invention;
fig. 3 is a schematic structural view of the housing of the present invention;
fig. 4 is a schematic structural view of the V-shaped connecting rod of the present invention.
In the figure:
1. a first terminal post;
2. a housing; 20. a first wiring hole; 21. a first fixing hole; 22. a first connection hole; 23. a second wiring hole; 24. a second fixing hole; 25. a second connection hole;
3. a first locking screw;
4. a second terminal;
5. a second locking screw;
6. static contact;
7. a U-shaped iron core;
8. a U-shaped connecting block;
9. a V-shaped connecting rod; 90. fixing the rod;
10. a moving contact;
11. a compression spring;
12. a coil;
13. mounting a plate; 130. and (4) mounting the groove.
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 work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-4, the present invention provides a technical solution:
the utility model provides a circuit breaker with tripping structure, including casing 2, casing 2 bottom is close to its front edge department and sets up first wiring hole 20 along vertical direction, first wiring hole 20 inner wall is close to its top edge and sets up the first fixed orifices 21 that is linked together with casing 2 is inside, be equipped with in the first fixed orifices 21 and extend to casing 2 inside first terminal 1, casing 2 front side is located first fixed orifices 21 dead ahead and sets up the first connecting hole 22 that is linked together with first wiring hole 20, threaded connection has first locking screw 3 in the first connecting hole 22, casing 2 top is close to its front edge department and sets up second wiring hole 23 along vertical direction, second wiring hole 23 inner wall is close to its bottom edge and sets up the second fixed orifices 24 that is linked together with casing 2 is inside, be equipped with in the second fixed orifices 24 and extend to casing 2 inside second terminal 4, casing 2 front side is located second fixed orifices 24 dead ahead and sets up the second connection hole 23 that is linked together with second wiring hole 23 Connect hole 25, threaded connection has second locking screw 5 in the second connecting hole 25, connects the wire through first wiring hole 20 and second wiring hole 23, locks the laminating on first terminal 1 and first terminal 1 with external wire simultaneously through first locking screw 3 and second locking screw 5 respectively.
In the embodiment, the top of the inner side of the shell 2 is provided with a fixed contact 6, the fixed contact 6 is fixedly bonded on the shell 2, the bottom of the inner side of the shell 2 is provided with a U-shaped iron core 7, the U-shaped iron core 7 is fixedly bonded on the shell 2, a cantilever at the rear side of the U-shaped iron core 7 is provided with a U-shaped connecting block 8, a V-shaped connecting rod 9 is rotatably connected in a U-shaped groove of the U-shaped connecting block 8, the front end of the V-shaped connecting rod 9 is connected with a movable contact 10, the movable contact 10 is tightly bonded on the V-shaped connecting rod 9, the movable contact 10 is connected with the second binding post 4 through a wire, the rear end of the V-shaped connecting rod 9 is connected with a fixed rod 90, the bottom of the fixed rod 90 is connected with a compression spring 11, the bottom end of the compression spring 11 is fixedly, in normal use, the current passing through the coil 12 is small, the elastic potential force of the compression spring 11 is larger than the attractive force of the magnetism generated by the coil 12 to the moving contact 10, the V-shaped connecting rod is pulled up by the elastic potential force of the compression spring, so that the moving contact 10 is in contact with the static contact 6, the connection of a circuit is ensured, after the circuit is overloaded, the current passing through the coil 12 is large, the generated magnetism is enhanced, when the attractive force of the magnetism generated by the coil 12 to the moving contact 10 is larger than the elastic potential force of the compression spring 11, the moving contact 10 is pulled downwards to be separated from the static contact 6, the circuit is cut off, the damage and potential safety hazard caused by the overload of the circuit are prevented, after the circuit is cut off, the magnetism of the coil 12 disappears, the moving contact 10 and the V-shaped connecting rod 9 are bounced under the pulling force of the compression spring 11, the moving contact 10 is, the circuit can work normally, does not need to be reset and switched on manually, is convenient to operate, and can reduce potential safety hazards.
In addition, the rear side edge department at casing 2 top is equipped with along vertical direction's mounting panel 13, and mounting panel 13 front side is opened and is equipped with a plurality of even and the mounting groove 130 that run through of distribution, is convenient for fix the mounting panel 13 installation on the position that needs to use through mounting groove 130, and then fixes whole circuit breaker installation.
Further, mounting panel 13 is the integrated into one piece structure with casing 2, and dead lever 90 is the integrated into one piece structure with V type connecting rod 9, and the integrated into one piece stable in structure is difficult for droing in the use and damages long service life.
When the circuit breaker with the tripping structure is used, a worker firstly checks the integrity of the circuit breaker and whether the connection of each part is firm; then, the mounting plate 13 is fixedly mounted on a position to be used through the mounting groove 130, and the whole circuit breaker is fixedly mounted; in normal use, the current passing through the coil 12 is small, the elastic potential force of the compression spring 11 is larger than the attractive force of the magnetism generated by the coil 12 to the moving contact 10, the V-shaped connecting rod is pulled up by the elastic potential force of the compression spring, so that the moving contact 10 is in contact with the static contact 6, the connection of a circuit is ensured, after the circuit is overloaded, the current passing through the coil 12 is large, the generated magnetism is enhanced, when the attractive force of the magnetism generated by the coil 12 to the moving contact 10 is larger than the elastic potential force of the compression spring 11, the moving contact 10 is pulled downwards to be separated from the static contact 6, the circuit is cut off, the damage and potential safety hazard caused by the overload of the circuit are prevented, after the circuit is cut off, the magnetism of the coil 12 disappears, the moving contact 10 and the V-shaped connecting rod 9 are bounced under the pulling force of the compression spring 11, the moving contact 10 is, the circuit can work normally.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A circuit breaker with a trip structure is characterized in that: comprises a shell (2), a first wiring hole (20) along the vertical direction is formed at the bottom of the shell (2) close to the front side edge of the shell, a first fixing hole (21) communicated with the inside of the shell (2) is formed at the inner wall of the first wiring hole (20) close to the top edge of the first wiring hole, a first wiring terminal (1) extending to the inside of the shell (2) is arranged in the first fixing hole (21), a first connecting hole (22) communicated with the first wiring hole (20) is formed at the front side of the first fixing hole (21) at the front side of the shell (2), a first locking screw (3) is connected with the first connecting hole (22) in a threaded manner, a second wiring hole (23) along the vertical direction is formed at the top of the shell (2) close to the front side edge of the shell, a second fixing hole (24) communicated with the inside of the shell (2) is formed at the inner wall of the second wiring hole (23, a second binding post (4) extending into the shell (2) is arranged in the second fixing hole (24), a second connecting hole (25) communicated with the second wiring hole (23) is formed in the front side of the shell (2) and located right ahead of the second fixing hole (24), a second locking screw (5) is connected to the middle of the second connecting hole (25) in a threaded manner, a fixed contact (6) is arranged at the top of the inner side of the shell (2), a U-shaped iron core (7) is arranged at the bottom of the inner side of the shell (2), a U-shaped connecting block (8) is arranged on a cantilever at the rear side of the U-shaped iron core (7), a V-shaped connecting rod (9) is rotatably connected in a U-shaped groove of the U-shaped connecting block (8), a movable contact (10) is connected to the front end of the V-shaped connecting rod (9), the movable contact (10) is connected with the second binding post (4) through a wire, and a fixing, the bottom of the fixing rod (90) is connected with a compression spring (11), the bottom end of the compression spring (11) is fixed to the bottom of the inner side of the shell (2), a coil (12) is sleeved on the outer side of a cantilever on the front side of the U-shaped iron core (7), one end of the coil (12) is connected with the first wiring terminal (1) through a wire, the other end of the coil is connected with the static contact (6) through a wire, and a mounting plate (13) in the vertical direction is arranged at the rear side edge of the top of the shell (2).
2. The circuit breaker with trip structure of claim 1, wherein: and the static contact (6) is fixedly bonded on the shell (2).
3. The circuit breaker with trip structure of claim 1, wherein: the U-shaped iron core (7) is fixedly bonded on the shell (2).
4. The circuit breaker with trip structure of claim 1, wherein: the fixing rod (90) and the V-shaped connecting rod (9) are of an integrally formed structure.
5. The circuit breaker with trip structure of claim 1, wherein: the moving contact (10) is tightly adhered to the V-shaped connecting rod (9).
6. The circuit breaker with trip structure of claim 1, wherein: mounting panel (13) are the integrated into one piece structure with casing (2), mounting panel (13) front side is opened and is equipped with even and the mounting groove (130) that run through of a plurality of distributions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021794811.0U CN212542327U (en) | 2020-08-25 | 2020-08-25 | Circuit breaker with tripping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021794811.0U CN212542327U (en) | 2020-08-25 | 2020-08-25 | Circuit breaker with tripping structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212542327U true CN212542327U (en) | 2021-02-12 |
Family
ID=74528107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021794811.0U Active CN212542327U (en) | 2020-08-25 | 2020-08-25 | Circuit breaker with tripping structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212542327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116544076A (en) * | 2023-07-05 | 2023-08-04 | 南通苏源恒炫电气有限公司 | Circuit breaker switch capable of preventing fatigue damage and incapable of breaking circuit |
-
2020
- 2020-08-25 CN CN202021794811.0U patent/CN212542327U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116544076A (en) * | 2023-07-05 | 2023-08-04 | 南通苏源恒炫电气有限公司 | Circuit breaker switch capable of preventing fatigue damage and incapable of breaking circuit |
| CN116544076B (en) * | 2023-07-05 | 2023-10-20 | 南通苏源恒炫电气有限公司 | Circuit breaker switch capable of preventing fatigue damage and incapable of breaking circuit |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |