CN218730751U - Circuit breaker that conducting structure directly links - Google Patents
Circuit breaker that conducting structure directly links Download PDFInfo
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- CN218730751U CN218730751U CN202222910542.5U CN202222910542U CN218730751U CN 218730751 U CN218730751 U CN 218730751U CN 202222910542 U CN202222910542 U CN 202222910542U CN 218730751 U CN218730751 U CN 218730751U
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- rod
- conductive
- conducting rod
- circuit breaker
- sliding core
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Abstract
The utility model relates to a high-voltage apparatus technical field, the name is circuit breaker that conducting structure directly links, it includes the casing that the insulating cover of outside was made, the casing have well cavity, install the conducting rod respectively in the both sides of casing, these two conducting rods are respectively to install at left conducting rod and install the right conducting rod on right side, install movable contact spare in well cavity, movable contact spare includes poker rod and poker rod articulated slip core, the slip core around the sliding sleeve in addition, movable contact spare be the part of guaranteeing that left conducting rod and right conducting rod electricity is connected or the disconnection, the inner end and the slip sleeve of left conducting rod be with flexible coupling lug connection. The circuit breaker has the advantages of reducing discharge phenomena and being safer to use.
Description
Technical Field
The utility model belongs to the technical field of the high-voltage apparatus technique and specifically relates to relate to circuit breaker.
Background
The circuit breaker comprises a shell 1 made of an outer insulating sleeve, as shown in fig. 1 and 2, the shell is provided with a hollow cavity 2, conducting rods are respectively installed on two sides of the shell, the two conducting rods are respectively a left conducting rod 3 installed on the left side and a right conducting rod 4 installed on the right side, a movable contact piece 5 is installed in the hollow cavity, and the movable contact piece is a part for ensuring the left conducting rod and the right conducting rod to be electrically connected or disconnected. The movable contact piece is provided with a poke rod 51 and a sliding core 52 hinged with the poke rod, a sliding sleeve 53 is arranged around the sliding core, the poke rod is poked to drive the sliding core to move rightwards, the sliding core and the right conducting rod can be electrically connected, and further the left conducting rod and the right conducting rod are electrically connected; the poke rod is poked to drive the sliding core to move leftwards, so that the poke rod and the right conducting rod can be electrically separated, and further the left conducting rod and the right conducting rod can be electrically separated.
In the prior art, as shown in fig. 1 and 2, the connection relationship between the sliding core and the left conductive rod is as follows: namely, the expansion sleeve 9 is arranged on the right side of the left conducting rod, and the left end of the sliding core can be inserted into the expansion sleeve in a left-right shifting manner, so that the thickness of the insulating layer can be reduced due to the arrangement of the expansion sleeve, a discharge phenomenon can occur around the expansion sleeve, and in addition, the expansion sleeve and the sliding core are in sliding connection, the phenomenon of easy heating and larger resistance is caused, and the safety of the circuit breaker is influenced.
Disclosure of Invention
The present invention is directed to overcome the above-mentioned drawbacks, and provides a circuit breaker, which is a circuit breaker with direct connection of conductive structure, and is less prone to generate heat, reduces discharge phenomena, and is safer to use.
The technical scheme of the utility model is realized like this: a circuit breaker with a directly connected conductive structure comprises a shell made of an insulating sleeve outside, wherein the shell is provided with a hollow cavity, conductive rods are respectively arranged on two sides of the shell, the two conductive rods are respectively a left conductive rod arranged on the left side and a right conductive rod arranged on the right side, a movable contact part is arranged in the hollow cavity and comprises a poking rod and a sliding core hinged with the poking rod, a sliding sleeve is arranged around the sliding core, the movable contact part is a part for ensuring the left conductive rod and the right conductive rod to be electrically connected or disconnected, the poking rod is poked, the poking rod drives the sliding core to move rightwards, the sliding core and the right conductive rod can be electrically connected, and further the left conductive rod and the right conductive rod are electrically connected; the poke rod is poked to drive the sliding core to move leftwards, so that the sliding core and the right conducting rod can be electrically separated, and further the left conducting rod and the right conducting rod can be electrically separated; the method is characterized in that: the inner end of the left conducting rod is directly connected with the sliding sleeve through flexible connection.
Furthermore, the right end of the left conducting rod is arranged in the hollow cavity.
Furthermore, the middle part of the flexible connection is arranged below the poke rod.
Furthermore, an arc extinguish chamber is arranged in the hollow cavity, the sliding core penetrates through the left side of the arc extinguish chamber, and the inner end of the right conducting rod penetrates through the right side of the arc extinguish chamber.
The utility model has the advantages that: the circuit breaker has the advantages of reducing discharge phenomena and being safer to use.
Drawings
Fig. 1 is a schematic diagram of a prior art structure.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic structural diagram of the present invention.
Fig. 4 is an enlarged view of a portion B in fig. 3.
Wherein, the device comprises a shell 1, a shell 2, a hollow cavity 3, a left conducting rod 4, a right conducting rod 5, a movable contact piece 51, a poke rod 52, a sliding core 53, a sliding sleeve 6, a flexible connection 7, an arc extinguish chamber 9, an expansion sleeve 10 and a screw.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 3 and 4, a circuit breaker with a directly connected conductive structure comprises a housing 1 made of an insulating sleeve outside, wherein the housing has a hollow cavity 2, conductive rods are respectively installed on two sides of the housing, the two conductive rods are respectively a left conductive rod 3 installed on the left side and a right conductive rod 4 installed on the right side, a movable contact part 5 is installed in the hollow cavity, the movable contact part comprises a poke rod 51 and a sliding core 52 hinged with the poke rod, a sliding sleeve 53 is further arranged around the sliding core, the movable contact part is a part for ensuring the electrical connection or disconnection between the left conductive rod and the right conductive rod, the poke rod is poked, and the poke rod drives the sliding core to move rightwards, so that the electrical connection between the sliding core and the right conductive rod can be realized, and the electrical connection between the left conductive rod and the right conductive rod is further realized; the poke rod is poked to drive the sliding core to move leftwards, so that the sliding core and the right conducting rod can be electrically separated, and the left conducting rod and the right conducting rod can be electrically separated; the method is characterized in that: the inner end of the left conducting rod is directly connected with the sliding sleeve through a flexible connection 6.
In the prior art, the expansion sleeve is arranged at the right end of the left conducting rod, so that the expansion part is arranged at the inner end of the left conducting rod, the side wall of the insulation sleeve is made to be thinner, and the obtained breaker is easy to discharge at the part.
The utility model discloses owing to adopted such structure, can be so that the inner end of left conducting rod does not have the inflation part, this position is difficult for discharging.
On the other hand, the right end of the left conducting rod is directly connected with the sliding sleeve through flexible connection, the sliding sleeve is a conductor, the sliding sleeve directly transmits current to the sliding rod, contact points of the whole conducting loop are reduced, a watch chain type conducting contact finger installed on the original conducting rod is omitted, the problem of switch ablation is avoided, connection points of a new structure are reduced, the resistance of the whole conducting loop correspondingly drops, and the requirement of low resistance of a power grid can be met.
Due to the arrangement, the concentricity requirement of the left conducting rod and the right conducting rod is not high, the installation difficulty is reduced, and the influence on the circuit breaker caused by vibration and outdoor wind swing is reduced.
The flexible connection is a conductive member formed by a bundle of wires or a plurality of conductive sheets, which is deformable and known to those skilled in the electrical arts.
Furthermore, the right end of the left conducting rod is arranged in the hollow cavity.
Such setting has the advantage that the setting is more reasonable.
Furthermore, the middle part of the flexible connection is arranged below the poke rod.
With the arrangement, the position of the soft connection is more reasonable.
Furthermore, an arc extinguish chamber 7 is arranged in the hollow cavity, the sliding core penetrates through the left side of the arc extinguish chamber, and the inner end of the right conducting rod penetrates through the right side of the arc extinguish chamber.
The arrangement reduces the phenomenon that the flexible connection is oxidized at high temperature, and increases the service performance.
By the arrangement, the sliding core completes the opening and closing movement in the arc extinguish chamber, and the problem that the arc of the arc extinguish chamber is exposed in the original structure is solved.
Preferably, the explosion chamber be ZW32 explosion chamber, can use the curved straight sleeve pipe of new construction, the explosion chamber is the explosion chamber that the market was used for a long time, the dependable performance equally.
The arc extinguishing chamber is a chamber capable of extinguishing electric arc, is a common component on electric appliances, and can be used for extinguishing arc.
Furthermore, the end part of the inner end of the left conducting rod is provided with a connecting screw hole, and the flexible connection is connected with the screw hole of the end part of the inner end of the left conducting rod through a screw 10.
The above description is only for the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications made by those skilled in the art in the field of the present invention are all covered by the claims of the present invention.
Claims (4)
1. A circuit breaker with a directly connected conductive structure comprises a shell made of an outer insulating sleeve, wherein the shell is provided with a hollow cavity, conductive rods are respectively arranged on two sides of the shell, the two conductive rods are respectively a left conductive rod arranged on the left side and a right conductive rod arranged on the right side, a movable contact part is arranged in the hollow cavity and comprises a poking rod and a sliding core hinged with the poking rod, a sliding sleeve is arranged around the sliding core, the movable contact part is a part for ensuring the electrical connection or disconnection of the left conductive rod and the right conductive rod, the poking rod is poked, the poking rod drives the sliding core to move rightwards, the sliding core can be electrically connected with the right conductive rod, and the left conductive rod is further electrically connected with the right conductive rod; the poke rod is poked to drive the sliding core to move leftwards, so that the sliding core and the right conducting rod can be electrically separated, and further the left conducting rod and the right conducting rod can be electrically separated; the method is characterized in that: the inner end of the left conducting rod is directly connected with the sliding sleeve through flexible connection.
2. The electrically conductive, structurally direct connection circuit breaker of claim 1, further comprising: the right end of the left conducting rod is arranged in the hollow cavity.
3. The circuit breaker with electrically conductive structure direct connection according to claim 1 or 2, characterized in that: the middle part of the flexible connection is arranged below the poke rod.
4. The circuit breaker with electrically conductive structure direct connection according to claim 1 or 2, characterized in that: the arc extinguish chamber is arranged in the hollow cavity, the sliding core penetrates through the left side of the arc extinguish chamber, and the inner end of the right conducting rod penetrates through the right side of the arc extinguish chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222910542.5U CN218730751U (en) | 2022-11-02 | 2022-11-02 | Circuit breaker that conducting structure directly links |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222910542.5U CN218730751U (en) | 2022-11-02 | 2022-11-02 | Circuit breaker that conducting structure directly links |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218730751U true CN218730751U (en) | 2023-03-24 |
Family
ID=85599295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222910542.5U Active CN218730751U (en) | 2022-11-02 | 2022-11-02 | Circuit breaker that conducting structure directly links |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218730751U (en) |
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2022
- 2022-11-02 CN CN202222910542.5U patent/CN218730751U/en active Active
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