CN205050751U - Moving contact and direct action type isolator - Google Patents
Moving contact and direct action type isolator Download PDFInfo
- Publication number
- CN205050751U CN205050751U CN201520681500.6U CN201520681500U CN205050751U CN 205050751 U CN205050751 U CN 205050751U CN 201520681500 U CN201520681500 U CN 201520681500U CN 205050751 U CN205050751 U CN 205050751U
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- Prior art keywords
- insulating sleeve
- moving contact
- conductive body
- direct
- isolating switch
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- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 230000033001 locomotion Effects 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 5
- 230000003068 static effect Effects 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 4
- 239000012212 insulator Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000009351 contact transmission Effects 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000005684 electric field Effects 0.000 description 8
- 238000002955 isolation Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 210000001138 tear Anatomy 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Abstract
The utility model relates to a moving contact and direct action type isolator, direct action type isolator include moving contact, insulating pull rod, tee bend stationary contact seat, work and touch seat and run -on, and the moving contact passes through screw -thread fit with insulating pull rod and realizes the transmission, and the moving contact includes the sleeve of electrically conductive body and insulator material, and the moving contact transmission is realized with insulating pull rod screw -thread fit to the sleeve. The electrically conductive body of insulating pull rod and moving contact passes through that the insulating sleeve is indirect to be connected, and the insulating sleeve is the insulator, and in the moving contact motion process, piece on -conductive that the friction produced can not influence field distribution, has avoided the electrically conductive hidden danger of bringing of piece, and work is touched seat and run -on and has directly been cast an organic whole, better improvement the interior field distribution of air chamber, it is concentrated to locate can not form the field intensity at this, is favorable to through -flowly.
Description
Technical field
The utility model relates to a kind of moving contact and direct-operated isolating switch.
Background technology
Current direct-acting three-working-position isolation structure is mostly similar, as shown in Figure 1: generally by ground contact seat 2, work touch base 6, the threeway static contact seat 4 that is connected with inner cone socket, and the middle moving contact 3 bearing conducting effect forms.Work touch base 6, threeway static contact seat 4 are separately installed with ground contact seat 6 spring touch finger 5 contacting with moving contact 3 and coordinate.Middle moving contact 3 is provided with transmission internal thread, enough becomes nut screw structure with insulated tension pole 1, rotates the transmission that insulated tension pole 1 can realize transmission moving contact, can realize combined floodgate, isolation, ground connection three kinds of station state.But this structure in the course of the work, insulated tension pole 1 and middle moving contact 3 are directly threaded connection transmission, and in transmission process, moving contact 3 can wear and tear generation chip, and because moving contact is conductor, chip is easily charged, can have an impact to electric field; Separately, generally by work touch base 6 be connected row 7 and be installed together by screw, work touch base 6 be connected row 7 and can cause air chamber internal electric field skewness by screw installation, stronger field intensity can be produced at this place concentrated.
Utility model content
The purpose of this utility model is to provide a kind of direct-operated isolating switch, to solve in prior art insulated tension pole and middle moving contact directly by threaded engagement transmission, in transmission process, moving contact can wear and tear generation chip, chip is easily charged, the technical problem that can have an impact to electric field; The purpose of this utility model is also the moving contact providing a kind of above-mentioned direct-operated isolating switch.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of direct-operated isolating switch, comprise moving contact, insulated tension pole, static contact seat, described moving contact is provided with the motion thread coordinated with insulated tension pole transmission, described moving contact is comprised and contacts the conductive body of conducting electricity and coordinating and the insulating sleeve be fixed on by fixed structure in conductive body with static contact seat, and described motion thread is arranged on described insulating sleeve.
Described fixed structure comprises and is arranged on the interior axis hole that conductive body left end is axially arranged with installing insulating sleeve, have the limited step preventing insulating sleeve from moving right bottom described interior axis hole, interior axis hole opening part threaded engagement has the hold-down nut preventing insulating sleeve to be moved to the left.
Described fixed structure also comprises the spline structure be arranged between conductive body and insulating sleeve.
The interior shaft hole inner wall of described conductive body and insulating sleeve outer wall are respectively equipped with the keyway extended vertically, between body and insulating sleeve, realize spline by flat key.
Described insulating sleeve material is expoxy glass.
Described direct-operated isolating switch also comprises work touch base and arranges with the connection that is connected of work touch base, described work touch base be connected that to arrange be integral type.
A kind of moving contact, described moving contact comprises for contacting the conductive body of conducting electricity and coordinating and the insulating sleeve be fixed on by fixed structure in conductive body with static contact seat, and described insulating sleeve inwall is provided with the motion thread coordinated for insulated tension pole transmission.
Described fixed structure comprises and is arranged on the interior axis hole that conductive body left end is axially arranged with installing insulating sleeve, have the limited step preventing insulating sleeve from moving right bottom described interior axis hole, interior axis hole opening part threaded engagement has the hold-down nut preventing insulating sleeve to be moved to the left.
Described fixed structure also comprises the spline structure be arranged between conductive body and insulating sleeve.
The interior shaft hole inner wall of described conductive body and insulating sleeve outer wall are respectively equipped with the keyway extended vertically, between conductive body and insulating sleeve, realize spline by flat key.
The beneficial effects of the utility model are: in this patent, insulated tension pole is connected by insulating sleeve indirectly with the conductive body of moving contact, sleeve is insulator, and in moving contact motion process, fricative chip is non-conductive, can not Electric Field Distribution be affected, avoid chip and conduct electricity the hidden danger brought.
Closer: work touch base is directly cast as integrally with being connected to arrange, and improves the Electric Field Distribution in air chamber preferably, can not form field intensity concentrated, be conducive to through-flow at this place.
Accompanying drawing explanation
Fig. 1: be a common direct-acting three-working-position isolation of the prior art;
Fig. 2: be direct-acting three-working-position isolation of the present utility model;
Fig. 3: be the partial enlarged drawing of I in Fig. 2;
Fig. 4: be moving contact mobile guide schematic diagram in Fig. 2;
In figure: 1-insulated tension pole; 2-ground contact seat; 3-conductive body; 4-threeway static contact seat; 5-spring touches fat; 6-work touch base; 7-connect row; 8-flat key; 9-hold-down nut; 10-insulating sleeve; 11-gathering sill; 12-guider screw.
Embodiment
Be described in detail to direct-operated isolating switch of the present utility model below in conjunction with preferred embodiment and accompanying drawing thereof: as in Figure 2-4, this direct-operated isolating switch comprises ground contact seat 2, moving contact, insulated tension pole 1, threeway static contact seat 4, work touch base 6 and connects row 7; Moving contact comprises conductive body 3 and is fixed on the insulating sleeve 10 of conductive body inside; Insulated tension pole 1 and moving contact form screw-nut structure, rotate insulated tension pole 1 and isolating switch can be made to realize combined floodgate station, separating brake station and ground connection station three station state; Add between insulated tension pole 1 with conductive body 3 and be connected medium, be i.e. insulating sleeve 10, the material of insulating sleeve 10 is insulator, and preferably epoxy glass fabric is excellent in the present embodiment.Insulating sleeve 10 endoporus is provided with the trapezoidal thread with insulated tension pole 1 threaded engagement, conductive body 3 left end is axially arranged with the interior axis hole of installing insulating sleeve 10, the limited step preventing sleeve from moving right is provided with bottom interior axis hole, interior axis hole opening part is provided with internal thread, hold-down nut 9 is tightened in internal thread hole and holds out against insulating sleeve 10 and prevent it to be moved to the left, in insulating sleeve 10 outer wall and conductive body 3, shaft hole inner wall is all provided with strip keyway, the two is connected by flat key 8 and realizes spline and coordinate.As shown in Figure 4: conductive body 3 is provided with the gathering sill 11 making moving contact movement vertically, threeway static contact seat is provided with in the guider screw coordinated spacing with gathering sill 11 12, three touch bases and spiral helicine spring touch finger 5 is all installed, can conductive capability be strengthened.Due to the epoxy glass fabric rod that insulating sleeve 10 is insulators, the chip produced that weares and teares in transmission process can not conduct electricity, and can not affect the Electric Field Distribution of switch, relatively safe.
Work touch base 6 is integral type casting with being connected row 7, improves the Electric Field Distribution in air chamber preferably, can not form field intensity and concentrate, be conducive to through-flow at this place; Fillet process is all done on the surface of work touch base 6, field intensity concentration phenomenon can not be produced, and directly can be connected with bus bar, do not need to increase transition with shortly connect row, not only can reduce by a step installation procedure, and the screw increased because of the installation of short connection row can be avoided the impact of Electric Field Distribution.
In other embodiments of through type isolating switch, also coordinate with spline both realizing by spline joint between insulating sleeve 10 with conductive body 3.Insulating sleeve 10 also can be made for his non-metallic isolator material by pottery, rubber etc.
In the utility model, the embodiment of moving contact is identical with the moving contact in above-mentioned through type isolating switch, and in this not go into detail.
Claims (10)
1. a direct-operated isolating switch, comprise moving contact, insulated tension pole, static contact seat, described moving contact is provided with the motion thread coordinated with insulated tension pole transmission, it is characterized in that: described moving contact is comprised and contacts the conductive body of conducting electricity and coordinating and the insulating sleeve be fixed on by fixed structure in conductive body with static contact seat, and described motion thread is arranged on described insulating sleeve.
2. direct-operated isolating switch according to claim 1, it is characterized in that: described fixed structure comprises and is arranged on conductive body left end shaft to being provided with axis hole in installing insulating sleeve, have the limited step preventing insulating sleeve from moving right bottom described interior axis hole, interior axis hole opening part threaded engagement has the hold-down nut preventing insulating sleeve to be moved to the left.
3. direct-operated isolating switch according to claim 2, is characterized in that: described fixed structure also comprises the spline structure be arranged between conductive body and insulating sleeve.
4. direct-operated isolating switch according to claim 3, is characterized in that: the interior shaft hole inner wall of described conductive body and insulating sleeve outer wall are respectively equipped with the keyway extended vertically, realize spline between body and insulating sleeve by flat key.
5. direct-operated isolating switch according to claim 1, is characterized in that: described insulating sleeve material is expoxy glass.
6. direct-operated isolating switch according to claim 1, is characterized in that: described direct-operated isolating switch also comprises work touch base and arranges with the connection that is connected of work touch base, described work touch base be connected that to arrange be integral type.
7. a moving contact, it is characterized in that: described moving contact comprises for contacting the conductive body of conducting electricity and coordinating and the insulating sleeve be fixed on by fixed structure in conductive body with static contact seat, described insulating sleeve inwall is provided with the motion thread coordinated for insulated tension pole transmission.
8. moving contact according to claim 7, it is characterized in that: described fixed structure comprises and is arranged on the interior axis hole that conductive body left end is axially arranged with installing insulating sleeve, have the limited step preventing insulating sleeve from moving right bottom described interior axis hole, interior axis hole opening part threaded engagement has the hold-down nut preventing insulating sleeve to be moved to the left.
9. moving contact according to claim 8, is characterized in that: described fixed structure also comprises the spline structure be arranged between conductive body and insulating sleeve.
10. moving contact according to claim 9, is characterized in that: the interior shaft hole inner wall of described conductive body and insulating sleeve outer wall are respectively equipped with the keyway extended vertically, realize spline between conductive body and insulating sleeve by flat key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520681500.6U CN205050751U (en) | 2015-09-06 | 2015-09-06 | Moving contact and direct action type isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520681500.6U CN205050751U (en) | 2015-09-06 | 2015-09-06 | Moving contact and direct action type isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205050751U true CN205050751U (en) | 2016-02-24 |
Family
ID=55344302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520681500.6U Active CN205050751U (en) | 2015-09-06 | 2015-09-06 | Moving contact and direct action type isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205050751U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409592A (en) * | 2016-11-14 | 2017-02-15 | 许继集团有限公司 | GIS (gas insulated metal-enclosed switchgear), three-position disconnecting switch thereof, moving contact device and moving contact |
-
2015
- 2015-09-06 CN CN201520681500.6U patent/CN205050751U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409592A (en) * | 2016-11-14 | 2017-02-15 | 许继集团有限公司 | GIS (gas insulated metal-enclosed switchgear), three-position disconnecting switch thereof, moving contact device and moving contact |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |