CN203192669U - Four-bar three-position isolating switch - Google Patents
Four-bar three-position isolating switch Download PDFInfo
- Publication number
- CN203192669U CN203192669U CN 201320200089 CN201320200089U CN203192669U CN 203192669 U CN203192669 U CN 203192669U CN 201320200089 CN201320200089 CN 201320200089 CN 201320200089 U CN201320200089 U CN 201320200089U CN 203192669 U CN203192669 U CN 203192669U
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- China
- Prior art keywords
- contact arm
- terminal
- hinged
- tension pole
- insulated tension
- 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.)
- Withdrawn - After Issue
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- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005283 ground state Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses an indoor AC high voltage four-bar three-position isolating switch, which comprise an upper terminal, a grounding terminal and a lower terminal, wherein the upper terminal, the grounding terminal and the lower terminal are fixedly installed on the upper end face, the front end face and the rear end face of a shell body respectively, the shell body is internally provided with a front contact arm and a rear contact arm whose top ends are hinged together, the lower ends of the front contact arm and the rear contact arm are hinged with the upper ends of a front insulating pull rod and a rear insulating pull rod respectively, the lower end of the front insulating pull rod is hinged with the middle part of the rear insulating pull rod, the rear contact arm is hinged with the rear insulating pull rod and then connected to the lower terminal, and the grounding terminal and the lower end are provided with a guide rod therebetween. The front contact arm is hinged with the front insulating pull rod and then connected to the guide rod, and can move back and forth along the guide rod. After adopting the structure disclosed by the utility model, the shape of a moving contact formed by a four-bar mechanism can be enabled to change in the moving process through operating an operating handle of the four-bar mechanism, thereby enabling the overall structure to be simple and compact, being small in occupied overall space size, and being conducive to the miniaturization requirement of power transmission and distribution equipment.
Description
Technical field
The utility model relates to the switch in a kind of high-tension distribution equipment, relates to a kind of indoor ac high-voltage four connecting rod tri-station isolating switchs.
Background technology
Ac high-voltage isolating switch in the existing high-tension distribution equipment, moving contact is in motion process, and shape does not change, and makes that the overall space size is big, is unfavorable for the requirement of equipment for power transmission and distribution miniaturization.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of simple and compact for structure, and it is little to take overall space, is conducive to four connecting rod tri-station isolating switchs of equipment for power transmission and distribution miniaturization requirement.
In order to solve the problems of the technologies described above, four connecting rod tri-station isolating switchs of the present utility model, comprise the upper terminal that is fixedly mounted on the case body upper surface respectively, the earth terminal of front end face and the lower terminal of rear end face, be provided with the hinged preceding contact arm in top and back contact arm in the case body, the lower end of preceding contact arm and back contact arm is hinged with the upper end of preceding insulated tension pole and back insulated tension pole respectively, the lower end of preceding insulated tension pole is hinged on the middle part of back insulated tension pole, be connected on the lower terminal after described back contact arm is hinged with the back insulated tension pole, be provided with a guide rod between earth terminal and the lower terminal, be connected after preceding contact arm and preceding insulated tension pole are hinged on the guide rod and can move forward and backward along guide rod.
Contact arm is provided with the upper contact head that can contact with upper terminal with the pin joint of back contact arm before described, and preceding contact arm is provided with the grounding contact that can contact with earth terminal with preceding insulated tension pole pin joint.
Described earth terminal is provided with the inner chamber that matches with grounding contact.
After adopting above-mentioned structure, since arrange in the case body by preceding contact arm, back contact arm, the quadric chain that preceding insulated tension pole and back insulated tension pole constitute, operating grip by the operation quadric chain can make the moving contact of quadric chain formation in motion process, shape changes, make overall structure simple, compact, it is little to take the overall space size, is conducive to the requirement of equipment for power transmission and distribution miniaturization.
Description of drawings
Fig. 1 is the "on" position structural representation of the utility model four connecting rod tri-station isolating switchs;
Fig. 2 is the gate-dividing state structural representation of the utility model four connecting rod tri-station isolating switchs;
Fig. 3 is the ground state structural representation of the utility model four connecting rod tri-station isolating switchs.
Embodiment
Below in conjunction with the drawings and specific embodiments, four connecting rod tri-station isolating switchs of the present utility model are described in further detail.
As shown in the figure, four connecting rod tri-station isolating switchs of the present utility model, comprise the upper terminal 2 that is fixedly mounted on case body 1 upper surface respectively, the earth terminal 3 of front end face and the lower terminal 4 of rear end face, be provided with the hinged preceding contact arm in top 5 and back contact arm 6 in the case body 1, the lower end of preceding contact arm 5 and back contact arm 6 is hinged with the upper end of preceding insulated tension pole 7 and back insulated tension pole 8 respectively, the lower end of preceding insulated tension pole 7 is hinged on the middle part of back insulated tension pole 8, be connected on the lower terminal 4 after back contact arm 6 and back insulated tension pole 8 are hinged, be provided with a guide rod 9 between earth terminal 3 and the lower terminal 4, before contact arm 5 and preceding insulated tension pole 7 be connected on the guide rod 9 after hinged and can move forward and backward along guide rod, the pin joint of preceding contact arm 5 and back contact arm 6 is provided with the upper contact head 10 that can contact with upper terminal 2, preceding contact arm 5 is provided with the grounding contact 11 that can contact with earth terminal 3 with preceding insulated tension pole 7 pin joints, and earth terminal 3 is provided with the inner chamber that matches with grounding contact 11.
By above-mentioned structure, be provided with in the case body by preceding contact arm, back contact arm, the quadric chain that preceding insulated tension pole and back insulated tension pole constitute, wherein, preceding contact arm, back contact arm constitute reverse V-shaped moving contact, form the galvanic circle; Reverse V-shaped moving contact often contacts with the hinged maintenance of lower terminal, also is hinged with the insulated tension pole two ends of preceding insulated tension pole with the у type of back insulated tension pole formation simultaneously; When у type insulated tension pole rotated along an end points, the opening shape of reverse V-shaped moving contact and then changed, and contacts with upper terminal, earth terminal respectively, thereby makes the galvanic circle reach combined floodgate, separating brake, three positions of ground connection.
Claims (3)
1. connecting rod tri-station isolating switch, comprise the upper terminal (2) that is fixedly mounted on case body (1) upper surface respectively, the lower terminal (4) of the earth terminal of front end face (3) and rear end face, it is characterized in that: be provided with the hinged preceding contact arm (5) in top and back contact arm (6) in the described case body (1), the lower end of contact arm (5) and back contact arm (6) is hinged with the upper end of preceding insulated tension pole (7) and back insulated tension pole (8) respectively before described, the lower end of preceding insulated tension pole (7) is hinged on the middle part of back insulated tension pole (8), be connected on the lower terminal (4) after described back contact arm (6) is hinged with back insulated tension pole (8), be provided with a guide rod (9) between described earth terminal (3) and the lower terminal (4), be connected guide rod (9) after preceding contact arm (5) and preceding insulated tension pole (7) are hinged and go up and can move forward and backward along guide rod.
2. according to the described four connecting rod tri-station isolating switchs of claim 1, it is characterized in that: contact arm (5) is provided with the upper contact head (10) that can contact with upper terminal (2) with the pin joint of back contact arm (6) before described, and preceding contact arm (5) is provided with the grounding contact (11) that can contact with earth terminal (3) with preceding insulated tension pole (7) pin joint.
3. according to the described four connecting rod tri-station isolating switchs of claim 2, it is characterized in that: described earth terminal (3) is provided with the inner chamber that matches with grounding contact (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320200089 CN203192669U (en) | 2013-04-19 | 2013-04-19 | Four-bar three-position isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320200089 CN203192669U (en) | 2013-04-19 | 2013-04-19 | Four-bar three-position isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203192669U true CN203192669U (en) | 2013-09-11 |
Family
ID=49109507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320200089 Withdrawn - After Issue CN203192669U (en) | 2013-04-19 | 2013-04-19 | Four-bar three-position isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203192669U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236370A (en) * | 2013-04-19 | 2013-08-07 | 镇江维依埃电工研究所有限公司 | Four-connecting-rod and three-workstation isolating switch |
| CN104465163A (en) * | 2014-12-25 | 2015-03-25 | 中国西电电气股份有限公司 | Three-position switch with switching on and self-locking functions |
-
2013
- 2013-04-19 CN CN 201320200089 patent/CN203192669U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236370A (en) * | 2013-04-19 | 2013-08-07 | 镇江维依埃电工研究所有限公司 | Four-connecting-rod and three-workstation isolating switch |
| CN103236370B (en) * | 2013-04-19 | 2015-03-04 | 镇江维依埃电工研究所有限公司 | Four-connecting-rod and three-workstation isolating switch |
| CN104465163A (en) * | 2014-12-25 | 2015-03-25 | 中国西电电气股份有限公司 | Three-position switch with switching on and self-locking functions |
| CN104465163B (en) * | 2014-12-25 | 2017-03-29 | 中国西电电气股份有限公司 | A kind of three-station with combined floodgate self-locking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130911 Effective date of abandoning: 20150304 |
|
| RGAV | Abandon patent right to avoid regrant |