CN203205320U - Direct-acting insertion type electric connection structure of three-station isolating grounding switch - Google Patents
Direct-acting insertion type electric connection structure of three-station isolating grounding switch Download PDFInfo
- Publication number
- CN203205320U CN203205320U CN 201320193688 CN201320193688U CN203205320U CN 203205320 U CN203205320 U CN 203205320U CN 201320193688 CN201320193688 CN 201320193688 CN 201320193688 U CN201320193688 U CN 201320193688U CN 203205320 U CN203205320 U CN 203205320U
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- contact
- seat
- moving
- moving contact
- isolation
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Abstract
The utility model relates to the direct-acting insertion type electric connection structure of a three-station isolating grounding switch, which comprises an isolating contact seat unit, a grounding contact seat unit and a movable contact seat unit, wherein the above three units are arranged in a single shell. The movable contact seat unit is composed of a supporting seat and an intermediate contact. One end of the supporting seat is connected with the shell, while the other end of the supporting seat is positioned in the shell and is provided with a groove. The intermediate contact is tubular and is vertically arranged at the end portion of the supporting seat. The intermediate contact is transversely located between the isolating contact seat unit and the grounding contact seat unit. A movable contact is arranged inside the intermediate contact. A transmission unit is of a rack-and-pinion transmission structure, wherein the rack connected with the pinion is arranged on the movable contact and the pinion is positioned in the groove of the supporting seat. The pinion is connected with an actuating mechanism through a transmission shaft. The direct-acting insertion type electric connection structure of the three-station isolating grounding switch has the advantages of stable transmission, reliable operation and good contact.
Description
Technical field
The utility model relates to a kind of three station isolation grounding switch technical fields, and specifically a kind of straight moving plug-in type electromagnetic that is applied to three station isolation grounding switchs connects.
Background technology
Now in the branch mailbox combined electrical apparatus, mostly use isolation ground connection unit switch, this unit switch is arranged on two ends in the same housing with isolating switch and earthed switch, and the motion that drives moving contact by the transmission device that is electrically connected realizes isolation, ground connection and middle three stations of combined electrical apparatus.The transmission device of moving contact was that the gear driven connecting rod makes moving contact realize that swinging type rotary is connected with isolating switch or earthed switch during traditional electrical connected, also claim rotary electric to connect, the electrical connection action time error of this structure is larger, when moving contact inserts isolating switch or earthed switch, the phenomenon of loose contact easily occurs, thereby affect the operation of equipment.
Summary of the invention
The utility model provides a kind of simple in structure in order to overcome defects, and for linear motion type inserts the mode that is connected, transmission is stablized between moving contact and isolating switch or the earthed switch, and reliable in action contacts good electrical connection.
The technical solution adopted in the utility model is: a kind of straight moving plug-in type electromagnetic of three station isolation grounding switchs connects, comprise the isolation touch base device that is arranged in the same housing, ground contact seat device and moving contact seat device, isolation touch base device and ground contact seat device are separately positioned on the two ends of housing, the moving contact seat device is arranged between isolation touch base and the ground contact seat and with housing and is connected, moving contact in the moving contact seat is connected with transmission device, it is characterized in that: comprise supporting seat and middle contact in the moving contact seat, supporting seat one end is connected with housing, the other end is positioned at enclosure interior and is provided with groove, middle contact in a tubular form and be vertically set on that end of supporting seat band groove, and middle contact is laterally between isolation touch base device and ground contact seat device, it is shaft-like that moving contact is, contact is inner in the middle of being installed in, described transmission device is the rack-and-pinion transmission, and tooth bar is arranged on the moving contact, and rack and pinion connects, gear is positioned at the groove of supporting seat, and gear is connected with operating mechanism by power transmission shaft.
In the utility model, the fixed contact in described isolation touch base device and the ground contact seat device is Mume flower contact, in the moving contact seat, in the arranged outside of middle contact radome is arranged.
The utility model is designed to the rack-and-pinion transmission with transmission device, tooth bar is installed on the moving contact, gear is connected with operating mechanism by power transmission shaft, operating mechanism drives the moving contact moving linearly by transmission device, thereby moving contact is connected with isolation touch base device or ground contact seat device, because moving contact is rectilinear motion, moving contact directly inserts isolation touch base device or the ground contact seat device connects, transmission is stable, and action error is little, and moving contact contacts well with fixed contact.
Description of drawings
Fig. 1 is schematic diagram of the present utility model.
Embodiment
Now by reference to the accompanying drawings the utility model is further described, Fig. 1 is a kind of embodiment of the present utility model, comprise the isolation touch base device that is arranged in the same housing 1, ground contact seat device and moving contact seat device, isolation touch base device and ground contact seat device are separately positioned on the two ends of housing 1, usually isolation touch base device comprises contact base and fixed contact 2, fixed contact 2 is installed on the contact base, the ground contact seat device comprises contact base, grounding contact 6 and ground connection handle 5, grounding contact 6 is installed on the contact base, the outside ground connection handle 5 that connects of contact base, ground connection handle 5 outsides can disconnect with housing 1 insulation of working earthing by connecting earthing bar.The moving contact seat device is arranged between isolation touch base and the ground contact seat and with housing 1 and is connected, moving contact 3 in the moving contact seat is connected with transmission device, comprise supporting seat 9 and middle contact 8 in the moving contact seat, supporting seat 9 one ends are connected with housing 1, the other end is positioned at housing 1 inside and is provided with groove, middle contact 8 in a tubular form and be vertically set on supporting seat 9 with that end of groove, and middle contact 8 is laterally between isolation touch base device and ground contact seat device, in the present embodiment, isolation touch base device is positioned at housing 1 left end, the ground contact seat device is positioned at housing 1 right-hand member, two ports of middle contact 8 are the fixed contact 2 in corresponding and the isolation touch base device and the grounding contact 6 in the ground contact seat device respectively, and and fixed contact 2 and grounding contact 6 between all leave the gap.Moving contact 3 is shaft-like, and contact 8 inside are gapped between moving contact 3 and the middle contact 8 in the middle of being installed in, and moving contact 3 can be along middle contact 8 inner move left and right under transmission device drives.Can also between moving contact 3 and moving contact seat sealing ring be set, the direction of motion by sealing ring and 8 pairs of moving contacts 3 of middle contact leads and is spacing, improves the accuracy of moving contact 3 actions.Described transmission device is gear 10 rack-drivings, and tooth bar is arranged on the moving contact 3, and rack and pinion 10 connects, and gear 10 is positioned at the groove of supporting seat 9, and gear 10 is connected with operating mechanism by power transmission shaft.In the present embodiment, the fixed contact 2 in described isolation touch base device and the ground contact seat device is Mume flower contact, and in moving contact seat, the outside of middle contact 8 also is provided with radome 7, and radome 7 is conventional tubular, and its end is with arc contraction mouth structure.
When the utility model uses, operating mechanism is by 10 rotations of power transmission shaft driven gear, gear 10 is connected with tooth bar on the moving contact 3, thereby drive moving contact 3 moving linearlies, when gear 10 clockwise rotates, moving contact 3 is moved right, insert in the grounding contact 6 in the ground contact seat device, be grounded station.When gear 10 rotates counterclockwise, moving contact 3 is moved to the left, insert in the fixed contact 2 in the isolation touch base device, realize the isolation station.Moving contact 3 in the utility model be rectilinear motion under transmission device drives, and is plug-in type being connected of isolation touch base device or ground contact seat device and connects, and transmission is stablized, and action error is little, and moving contact 3 contacts well with fixed contact 2 or grounding contact 6.
The utlity model has transmission stable, reliable in action contacts good characteristics.
Claims (2)
1. the straight moving plug-in type electromagnetic of a station isolation grounding switch connects, comprise the isolation touch base device that is arranged in the same housing, ground contact seat device and moving contact seat device, isolation touch base device and ground contact seat device are separately positioned on the two ends of housing, the moving contact seat device is arranged between isolation touch base and the ground contact seat and with housing and is connected, moving contact in the moving contact seat is connected with transmission device, it is characterized in that: comprise supporting seat and middle contact in the moving contact seat, supporting seat one end is connected with housing, the other end is positioned at enclosure interior and is provided with groove, middle contact in a tubular form and be vertically set on that end of supporting seat band groove, and middle contact is laterally between isolation touch base device and ground contact seat device, it is shaft-like that moving contact is, contact is inner in the middle of being installed in, described transmission device is the rack-and-pinion transmission, and tooth bar is arranged on the moving contact, and rack and pinion connects, gear is positioned at the groove of supporting seat, and gear is connected with operating mechanism by power transmission shaft.
2. the straight moving plug-in type electromagnetic of three station isolation grounding switchs according to claim 1 connects, it is characterized in that: the fixed contact in described isolation touch base device and the ground contact seat device is Mume flower contact, in the moving contact seat, in the arranged outside of middle contact radome is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320193688 CN203205320U (en) | 2013-04-17 | 2013-04-17 | Direct-acting insertion type electric connection structure of three-station isolating grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320193688 CN203205320U (en) | 2013-04-17 | 2013-04-17 | Direct-acting insertion type electric connection structure of three-station isolating grounding switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203205320U true CN203205320U (en) | 2013-09-18 |
Family
ID=49149402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320193688 Expired - Fee Related CN203205320U (en) | 2013-04-17 | 2013-04-17 | Direct-acting insertion type electric connection structure of three-station isolating grounding switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203205320U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124095A (en) * | 2014-08-12 | 2014-10-29 | 深圳市森源电力技术有限公司 | Straight-moving type three-station isolation switch |
| CN112038156A (en) * | 2020-06-22 | 2020-12-04 | 平高集团有限公司 | Double-fracture isolating switch and high-voltage line connecting structure |
| CN113035627A (en) * | 2021-03-29 | 2021-06-25 | 山东泰开电力开关有限公司 | Single box-separating type linear three-position switch structure and using method thereof |
-
2013
- 2013-04-17 CN CN 201320193688 patent/CN203205320U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124095A (en) * | 2014-08-12 | 2014-10-29 | 深圳市森源电力技术有限公司 | Straight-moving type three-station isolation switch |
| CN112038156A (en) * | 2020-06-22 | 2020-12-04 | 平高集团有限公司 | Double-fracture isolating switch and high-voltage line connecting structure |
| CN112038156B (en) * | 2020-06-22 | 2023-02-17 | 平高集团有限公司 | Double-fracture isolating switch and high-voltage line connecting structure |
| CN113035627A (en) * | 2021-03-29 | 2021-06-25 | 山东泰开电力开关有限公司 | Single box-separating type linear three-position switch structure and using method thereof |
| CN113035627B (en) * | 2021-03-29 | 2023-12-29 | 山东泰开电力开关有限公司 | Single-body split-box type linear three-position switch structure and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20180417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |