CN216793545U - Contact system of isolating switch - Google Patents
Contact system of isolating switch Download PDFInfo
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- CN216793545U CN216793545U CN202220352899.3U CN202220352899U CN216793545U CN 216793545 U CN216793545 U CN 216793545U CN 202220352899 U CN202220352899 U CN 202220352899U CN 216793545 U CN216793545 U CN 216793545U
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Abstract
The utility model relates to a contact system of an isolating switch, which comprises a first contact frame, a second contact frame, a movable contact assembly and a fixed contact, wherein the first contact frame is in linkage fit with an operating mechanism, the first contact frame is arranged on the second contact frame, a clamping cavity is formed between the first contact frame and the second contact frame, the movable contact assembly is arranged in the clamping cavity, the movable contact assembly comprises two movable contacts, elastic sheets arranged on the two movable contacts and U-shaped clamps clamped on the elastic sheets and the two movable contacts, movable contacts are respectively arranged at two ends of the two movable contacts, and a contact space matched with the fixed contact is formed between the movable contacts of the two movable contacts. The utility model has the advantages of simple structure, stable and reliable performance and convenient and fast assembly.
Description
Technical Field
The utility model relates to an isolating switch, in particular to a contact system of the isolating switch.
Background
The isolating switch is used for infrequent connection and disconnection of circuits and electrical isolation in power distribution equipment of industrial and enterprise, and is widely applied to power distribution systems and automation systems in building, electric power, petrochemical industry and other industries. The isolating switch comprises a base, a cover plate, a handle, an operating mechanism and a contact system, wherein the operating mechanism and the contact system are arranged in the base, the structural design of the contact system of the existing isolating switch is unreasonable, the contact pressure between a moving contact and a static contact is small, the contact resistance is large, and the contact system of the isolating switch also has the defects of complex structure, unreliable performance and inconvenient assembly.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a contact system of a disconnecting switch, which has the advantages of simple structure, stable and reliable performance and convenient and fast assembly.
In order to achieve the purpose, the utility model adopts a contact system of an isolating switch, which comprises a first contact frame, a second contact frame, a movable contact assembly and a fixed contact, wherein the first contact frame is in linkage fit with an operating mechanism, a clamping cavity is formed between the first contact frame and the second contact frame, the movable contact assembly is arranged in the clamping cavity, the movable contact assembly comprises two movable contacts, elastic sheets arranged on the two movable contacts and U-shaped clamps clamped on the elastic sheets and the two movable contacts, movable contacts are respectively arranged at two ends of the two movable contacts, and a contact space matched with the fixed contact is formed between the movable contacts of the two movable contacts.
The beneficial effect of above-mentioned structure is: the movable contact assembly is designed in a modular structure, so that the modular assembly of the movable contact assembly, the first contact frame and the second contact frame can be realized, and the assembly efficiency is higher. And the two movable contact pieces are provided with the elastic pieces, so that the contact pressure of the two movable contact pieces can be increased, and the contact between the two movable contact pieces and the fixed contact can be ensured to be more reliable. Therefore, the contact system of the isolating switch has the advantages of simple structure, stable and reliable performance and convenience in assembly.
Particularly, the spring plate is provided with a clamping groove, the two movable contact pieces are provided with positioning grooves, and the U-shaped clamp is clamped in the clamping groove and the positioning grooves and forms clamping fit of the U-shaped clamp, the spring plate and the two movable contact pieces. The U-shaped clamp is assembled with the elastic sheet and the two movable contact pieces in a clamping matching mode, the assembly is more convenient, and the movable contact assembly is designed in a modular structure, so that the assembly efficiency of a contact system of the isolating switch is improved.
Particularly, the second contact head frame on be provided with a plurality of cardboards, be provided with the card hole on a plurality of cardboards respectively, the second contact head frame on be provided with cardboard matched with joint hole, the downthehole checkpost that is provided with of joint, the checkpost block in the card hole, and constitute the joint cooperation of second contact head frame and first contact head frame. The second contact frame is connected with the first contact frame in a clamping fit mode, so that the first contact frame and the second contact frame are convenient to assemble, and the assembly is more convenient.
Particularly, the two movable contact pieces are respectively provided with a guide inclined plane corresponding to the two sides of the movable contact. The guide inclined plane can play a role in guiding the static contact, so that the static contact can be ensured to be reliably contacted with the two movable contact pieces.
Drawings
Fig. 1 is an exploded view of an embodiment of the present invention.
Fig. 2 is an assembly view of the movable contact assembly, the first contact support and the second contact support according to the embodiment of the utility model.
Fig. 3 is a perspective view of a first contact carrier according to an embodiment of the utility model.
Fig. 4 is a perspective view of a second contact carrier according to an embodiment of the utility model.
Detailed Description
As shown in fig. 1 to 4, an embodiment of the present invention is a contact system of an isolating switch, including a first contact frame 10, a second contact frame 11, a movable contact assembly 20, and a fixed contact 12, which are in linkage fit with an operating mechanism, where the first contact frame 10 is disposed on the second contact frame 11, a clamping cavity 100 is formed between the first contact frame 10 and the second contact frame 11, the movable contact assembly 20 is disposed in the clamping cavity 100, the movable contact assembly 20 includes two movable contacts 21, an elastic sheet 22 disposed on the two movable contacts 21, and a U-shaped clamp 23 clamped on the elastic sheet 22 and the two movable contacts 21, two ends of the two movable contacts 21 are respectively provided with a movable contact 211, and a contact space 210 matched with the fixed contact 12 is formed between the movable contacts 211 of the two movable contacts 21.
As shown in fig. 1, a clamping groove 221 is provided on the elastic sheet 22, a positioning groove 212 is provided on the two movable contacts 21, and the U-shaped clip 23 is clamped in the clamping groove 221 and the positioning groove 212 to form a clamping fit of the U-shaped clip 23 with the elastic sheet 22 and the two movable contacts 21. The U-shaped clamp is assembled with the elastic sheet and the two movable contact pieces in a clamping matching mode, the assembly is more convenient, and the movable contact assembly is designed in a modular structure, so that the assembly efficiency of a contact system of the isolating switch is improved. The two movable contact pieces 21 are respectively provided with a guide inclined plane 213 corresponding to the two sides of the movable contact 211. The guide inclined plane can play a role in guiding the static contact, so that the static contact can be ensured to be reliably contacted with the two movable contact pieces. The second contact holder 11 is provided with a plurality of clamping plates 111, the clamping plates 111 are respectively provided with clamping holes 112, the second contact holder 10 is provided with clamping holes 101 matched with the clamping plates 111, the clamping holes 101 are internally provided with clamps 102, and the clamps 102 are clamped in the clamping holes 112 to form clamping matching of the second contact holder 11 and the first contact holder 10. The second contact frame is connected with the first contact frame in a clamping fit mode, so that the first contact frame and the second contact frame are convenient to assemble, and the assembly is more convenient.
The movable contact assembly is designed in a modular structure, so that the modular assembly of the movable contact assembly, the first contact frame and the second contact frame can be realized, and the assembly efficiency is higher. And the two movable contact pieces are provided with the elastic pieces, so that the contact pressure of the two movable contact pieces can be increased, and the contact between the two movable contact pieces and the fixed contact can be ensured to be more reliable. Therefore, the contact system of the isolating switch has the advantages of simple structure, stable and reliable performance and convenience in assembly.
Claims (4)
1. A contact system for a disconnector, characterized in that: including the first contact headstock with operating device linkage complex, second contact headstock, movable contact subassembly, static contact, first contact headstock set up on second contact headstock, and be formed with the joint chamber between first contact headstock and the second contact headstock, movable contact subassembly set up in the joint intracavity, movable contact subassembly include two movable contact pieces, set up shell fragment on two movable contact pieces, clamp the U type card on shell fragment and two movable contact pieces, the both ends of two movable contact pieces on be provided with the movable contact respectively, be formed with between the movable contact of two movable contact pieces with static contact matched with contact space.
2. The contact system of a disconnector according to claim 1, characterized in that: the elastic sheet is provided with a clamping groove, the two movable contact pieces are provided with positioning grooves, and the U-shaped clamp is clamped in the clamping groove and the positioning grooves and is matched with the elastic sheet and the two movable contact pieces in a clamping manner.
3. Contact system of a disconnector according to claim 1 or 2, characterized in that: the second contact headstock on be provided with a plurality of cardboards, be provided with the card hole on a plurality of cardboards respectively, the second contact headstock on be provided with cardboard matched with joint hole, the downthehole checkpost that is provided with of joint, the checkpost block in the card hole, and constitute the joint cooperation of second contact headstock and first contact headstock.
4. Contact system of a disconnector according to claim 1 or 2, characterized in that: and guide inclined planes are respectively arranged on the two movable contact pieces corresponding to the two sides of the movable contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220352899.3U CN216793545U (en) | 2022-02-21 | 2022-02-21 | Contact system of isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220352899.3U CN216793545U (en) | 2022-02-21 | 2022-02-21 | Contact system of isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216793545U true CN216793545U (en) | 2022-06-21 |
Family
ID=82019081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220352899.3U Active CN216793545U (en) | 2022-02-21 | 2022-02-21 | Contact system of isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216793545U (en) |
-
2022
- 2022-02-21 CN CN202220352899.3U patent/CN216793545U/en active Active
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