CN220155385U - Contact system for power transfer switch - Google Patents
Contact system for power transfer switch Download PDFInfo
- Publication number
- CN220155385U CN220155385U CN202321569748.4U CN202321569748U CN220155385U CN 220155385 U CN220155385 U CN 220155385U CN 202321569748 U CN202321569748 U CN 202321569748U CN 220155385 U CN220155385 U CN 220155385U
- Authority
- CN
- China
- Prior art keywords
- copper
- chuck
- contact
- fixed slot
- screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229910052802 copper Inorganic materials 0.000 claims abstract description 63
- 239000010949 copper Substances 0.000 claims abstract description 63
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 61
- 230000007246 mechanism Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 2
- 150000001879 copper Chemical class 0.000 claims 2
- 230000000149 penetrating effect Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model discloses a contact system for a power transfer switch, which comprises an input copper bar and a moving contact, wherein the input copper bar is connected with the moving contact through a flexible connection, the flexible connection comprises a copper braided wire connecting piece, one end of the copper braided wire connecting piece is provided with a first copper chuck, the other end of the copper braided wire connecting piece is provided with a second copper chuck, two sides of the first copper chuck are respectively provided with a first threaded hole, two sides of the second copper chuck are respectively provided with a second threaded hole, the tail end of the moving contact is provided with a first fixed slot, the first copper chuck is clamped in the first fixed slot, a first locking screw in threaded connection with the first threaded hole is arranged on the outer wall of the first fixed slot in a penetrating manner, a second fixed slot is arranged on the input copper bar in a penetrating manner, and a second locking screw in threaded connection with the second threaded hole is arranged on the outer wall of the second fixed slot in a penetrating manner. The contact system for the power transfer switch has reasonable structure and effectively improves the connection stability of the flexible connection, the movable contact and the input copper bar.
Description
Technical Field
The present utility model relates to a contact system for a power transfer switch.
Background
The double-power automatic transfer switch is used for avoiding the fault power supply to supply power to a load when the main power supply fails in the power supply system, and reliably selecting the qualified power supply to be put into normal operation so as to ensure uninterrupted power supply. Generally, places with important functions, such as hospitals, airports and wharfs, rely on a dual-power automatic transfer switch to provide continuous power supply. In the contact system of the existing power transfer switch, the movable contact is connected with the input copper bar by adopting soft connection, but the connection assembly of the two ends of the existing soft connection with the movable contact and the input copper bar is difficult, and the problem of poor connection stability exists, so that the whole quality of a product is influenced.
Disclosure of Invention
The utility model aims to provide a contact system for a power transfer switch, which has reasonable structure and effectively improves the connection stability of soft connection, a movable contact and an input copper bar, thereby leading the overall quality of products to be higher.
In order to achieve the above purpose, the technical scheme of the utility model is to design a contact system for a power transfer switch, which comprises an input copper bar, a moving contact and an operating mechanism, wherein the input copper bar is connected with the moving contact through a flexible connection; the flexible connection comprises a copper braided wire connecting piece, wherein a first copper chuck is arranged at one end of the copper braided wire connecting piece, a second copper chuck is arranged at the other end of the copper braided wire connecting piece, first threaded holes are formed in two sides of the first copper chuck respectively, second threaded holes are formed in two sides of the second copper chuck respectively, a first fixing groove is formed in the tail end of the moving contact, first copper chuck clamps are arranged in the first fixing groove, first screw through holes in one-to-one correspondence with the first threaded holes are formed in the outer wall of the first fixing groove, first locking screws in threaded connection with the first threaded holes are arranged in the first screw through holes in a penetrating mode, a second fixing groove is formed in the input copper bar in the second copper chuck clamp, second screw through holes in one-to-one correspondence with the second threaded holes are formed in the outer wall of the second fixing groove, and second locking screws in threaded connection with the second threaded holes are arranged in the second screw through holes in a penetrating mode.
Preferably, the operating mechanism comprises a rocker arm and a connecting rod, one end of the connecting rod is hinged with the rocker arm through a first shaft pin, and the other end of the connecting rod is hinged with the middle part of the moving contact through a second shaft pin.
Preferably, the tail end of the moving contact is provided with a fixed shaft.
Preferably, the front end of the movable contact is provided with a movable contact.
Preferably, square holes are formed in the rocker arms.
The utility model has the advantages and beneficial effects that: the utility model provides a contact system for power change-over switch, its is rational in infrastructure, through setting up copper chuck respectively at the both ends of copper braided wire connecting piece to make moving contact and input copper bar pass through locking screw and copper chuck fixed connection respectively, with the connection stability who improves flexible coupling and moving contact and input copper bar, thereby make the whole quality of product higher.
Drawings
Fig. 1 is a schematic diagram of the present utility model.
Fig. 2 is a schematic diagram of a flexible connection in the present utility model.
Description of the embodiments
The following describes the embodiments of the present utility model further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
The technical scheme of the utility model is as follows:
as shown in fig. 1 and 2, a contact system for a power transfer switch comprises an input copper bar 1, a moving contact 2 and an operating mechanism, wherein the input copper bar 1 is connected with the moving contact 2 through a flexible connection; the flexible connection comprises a copper braided wire connecting piece 3, a first copper chuck 4 is arranged at one end of the copper braided wire connecting piece 3, a second copper chuck 5 is arranged at the other end of the copper braided wire connecting piece 3, first threaded holes 6 are respectively formed in two sides of the first copper chuck 4, second threaded holes 7 are respectively formed in two sides of the second copper chuck 5, a first fixing groove is formed in the tail end of the movable contact 2, the first copper chuck 4 is clamped in the first fixing groove, first screw through holes in one-to-one correspondence with the first threaded holes 6 are formed in the outer wall of the first fixing groove, first locking screws 8 in threaded connection with the first threaded holes 6 are arranged in the first screw through holes in a penetrating mode, a second fixing groove is formed in the input copper bar 1 in a clamping mode, second screw through holes 7 in one-to-one correspondence with the second threaded holes 7 are formed in the outer wall of the second fixing groove, and second locking screws 9 in threaded connection with the second threaded holes 7 are arranged in the second screw through holes in a penetrating mode.
Further, the operating mechanism comprises a rocker arm 10 and a connecting rod 11, one end of the connecting rod 11 is hinged with the rocker arm 10 through a first shaft pin 12, and the other end of the connecting rod 11 is hinged with the middle part of the movable contact 2 through a second shaft pin 13.
Further, the tail end of the moving contact 2 is provided with a fixed shaft 14.
Further, a movable contact 15 is disposed at the front end of the movable contact 2.
Further, the rocker arm 10 is provided with a square hole 16.
The utility model relates to a contact system for a power transfer switch, which is characterized in that a first threaded hole 6 is formed in a first copper chuck 4, and a second threaded hole 7 is formed in a second copper chuck 5; during soft connection assembly, the first copper clamp 4 is clamped in a first fixing groove of the movable contact 2, and then a first locking screw 8 penetrates through a first screw through hole and is in threaded connection with a first threaded hole 6, so that the first copper clamp 4 is firmly connected with the movable contact 2; and, the second copper chuck 5 is clamped in the second fixing groove of the input copper bar 1, and the second locking screw 9 passes through the second screw hole and then is in threaded connection with the second threaded hole 7, so that the second copper chuck 5 is firmly connected with the input copper bar 1, and the soft connection assembly is completed.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (5)
1. The utility model provides a contact system for change-over switch, includes input copper bar, moving contact and operating device, input copper bar passes through the flexible coupling and is connected with the moving contact, its characterized in that, the flexible coupling includes copper braided wire connecting piece, and the one end of this copper braided wire connecting piece is equipped with first copper chuck, and the other end of this copper braided wire connecting piece is equipped with the second copper chuck, the both sides of first copper chuck are equipped with first screw hole respectively, the both sides of second copper chuck are equipped with the second screw hole respectively, the tail end of moving contact is equipped with first fixed slot, first copper chuck card is located in the first fixed slot, be equipped with first screw perforation with first screw hole one-to-one on the outer wall of first fixed slot, wear to be equipped with the first locking screw with first screw hole threaded connection in the first screw perforation, be equipped with the second fixed slot on the input copper bar, in the second copper chuck card is located the second fixed slot, be equipped with the second screw perforation with the second screw thread of wearing to be equipped with in the second screw hole one-to-one with in the second perforation.
2. The contact system for a power conversion switch according to claim 1, wherein the operating mechanism includes a rocker arm and a link, one end of the link is hinged to the rocker arm through a first shaft pin, and the other end of the link is hinged to a middle portion of the movable contact through a second shaft pin.
3. The contact system for a power conversion switch according to claim 2, wherein a tail end of the movable contact is provided with a fixed shaft.
4. A contact system for a power transfer switch according to claim 3, wherein the front end of the movable contact is provided with a movable contact.
5. The contact system for a power transfer switch of claim 4, wherein the rocker arm is provided with a square hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321569748.4U CN220155385U (en) | 2023-06-20 | 2023-06-20 | Contact system for power transfer switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321569748.4U CN220155385U (en) | 2023-06-20 | 2023-06-20 | Contact system for power transfer switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220155385U true CN220155385U (en) | 2023-12-08 |
Family
ID=89020478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321569748.4U Active CN220155385U (en) | 2023-06-20 | 2023-06-20 | Contact system for power transfer switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220155385U (en) |
-
2023
- 2023-06-20 CN CN202321569748.4U patent/CN220155385U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |