CN206595161U - A kind of static contact finger and the static contact and arc-chutes using the static contact finger - Google Patents
A kind of static contact finger and the static contact and arc-chutes using the static contact finger Download PDFInfo
- Publication number
- CN206595161U CN206595161U CN201720124072.6U CN201720124072U CN206595161U CN 206595161 U CN206595161 U CN 206595161U CN 201720124072 U CN201720124072 U CN 201720124072U CN 206595161 U CN206595161 U CN 206595161U
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- contact
- static contact
- static
- finger
- radome
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- 230000003068 static effect Effects 0.000 title claims abstract description 175
- 238000009434 installation Methods 0.000 claims abstract description 28
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 238000010030 laminating Methods 0.000 claims description 4
- 241000469816 Varus Species 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 1
- 206010037660 Pyrexia Diseases 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model provides a kind of static contact finger and the static contact and arc-chutes using the static contact finger, static contact finger includes being used for the contact site for contacting conduction with moving contact, the installation portion for being used to be arranged on static contact seat being integrally connected with contact site, contact site and installation portion are arrangement up and down, open up fluted on the contact surface of the contact site, the groove, which has, to be used to contact fit and vertically extending notch with the outer peripheral face of moving contact so that the way of contact of static contact finger and moving contact is doublet contact.The beneficial effects of the utility model are：Open up fluted on the contact surface of contact site, and the groove, which has, contacts fit and vertically extending notch with the outer peripheral face of moving contact, so that the way of contact of static contact finger and moving contact is doublet contact, therefore, contact point between dynamic and static contact is just increased, thus contact resistance is smaller, it is to avoid serious fever phenomenon, extends the service life of static contact finger.
Description
Technical field
The utility model is related to a kind of static contact finger and the static contact and arc-chutes using the static contact finger.
Background technology
Static contact is the critical component that divide-shut brake is realized in high-tension switch gear, and static contact of the prior art is typically all wrapped
Static contact seat, the static contact finger on static contact seat and the radome being located at outside static contact finger are included, such as application publication number is
CN106024436A, a kind of data of publication of application fingertip component disclosed in 2016.10.12 Chinese invention patent application（I.e. one
Plant static contact）, the static contact includes the static contact seat that is fixedly linked with electric conductor, and static contact seat is in be filled in ladder shaft-like, its path section
Equipped with static contact finger and radome, shaft shoulder face forms block static contact finger and the stopping surface of radome lower surface.Wherein, static contact finger includes
The matrix of one arc, the circumferentially-spaced of curved base is evenly equipped with multiple contact finger pieces, and being used for of the contact finger piece connects with moving contact
It is an inwardly projecting protuberance to touch conductive position, and the static contact finger passes through curved base（Equivalent to installation portion）Interference
On the outer peripheral face of static contact seat, during dynamic and static contact grafting engagement, protuberance and the moving contact of contact finger piece are interference fitted.
The static contact finger of this static contact has certain elasticity, therefore when coordinating with moving contact grafting, can be by suitable
When elastic deformation ensure contact between dynamic and static contact, it is ensured that the reliability of electrical contact.But, because static contact finger is
Be made up of the multiple contact finger pieces being uniformly distributed along the circumference, and static contact finger be during fabrication using one block of copper sheet material as raw material,
Sheet material one contact finger piece of formation between multiple slots, adjacent two slot is cut out on sheet material, elastic contact blade then will be machined with
Sheet material curved base is stamped out by diel.That is, this static contact finger is integrally machined shaping, so with moving
The contact surface for the protuberance that contact is in contact is actually a plane, because moving contact is cylindrical, therefore when dynamic and static contact
When grafting is engaged, the way of contact between moving contact and contact finger piece is actually that single line is contacted, the contact point between dynamic and static contact
It is fewer, thus contact resistance is than larger, the fever phenomenon under the conditions of through-flow influences the use longevity of static contact finger than more serious
Life.
Utility model content
The purpose of this utility model is to provide a kind of contact resistance smaller static contact finger；The purpose of this utility model is also
In a kind of static contact and arc-chutes using the static contact finger of offer.
In order to solve the above-mentioned technical problem, the technical scheme of static contact finger is in the utility model：
A kind of static contact finger, including for contacted with moving contact conduction contact site, with contact site be integrally connected for pacifying
Installation portion on static contact seat, contact site and installation portion open up fluted to arrange up and down on the contact surface of the contact site,
The groove have be used for contact with the outer peripheral face of moving contact laminating and vertically extending notch so that static contact finger and
The way of contact of moving contact is doublet contact.
The upper end of the contact site is provided with for coordinating with the turn edge block on radome to prevent static contact finger from deviating from
The stop section of radome.
Being used for of the contact site and installation portion is offered for installing elastic component on that side relative with radome
Mounting hole.
The groove is rhombus groove.
In order to solve the above-mentioned technical problem, the technical scheme of static contact is in the utility model：
A kind of static contact, including static contact seat, the static contact finger on static contact seat outer peripheral face, be located at outside static contact finger and
The radome on static contact seat is fixed on, static contact finger includes contact site and the body phase of contact site one for being used to contact conduction with moving contact
The installation portion for being used to be arranged on static contact seat even, contact site and installation portion is arrange up and down, on the contact surface of the contact site
Open up fluted, the groove have be used for contact with the outer peripheral face of moving contact fit and vertically extending notch with
The way of contact for making static contact finger and moving contact is doublet contact.
The turn edge of fold inward is provided with the radome, the upper end of the contact site is provided with and the turn edge
Block coordinates to prevent static contact finger from deviating from the stop section of radome.
Offer in mounting hole, mounting hole and install on that side relative with radome of the contact site and installation portion
Flexible part, one end top pressure of the elastic component is on radome, other end top pressure is on static contact finger.
The groove is rhombus groove.
In order to solve the above-mentioned technical problem, the technical scheme of arc-chutes is in the utility model：
Static contact is provided with a kind of arc-chutes, including housing, housing, static contact includes static contact seat, installed in static contact seat
Static contact finger on outer peripheral face, be located at outside static contact finger and be fixed on the radome on static contact seat, static contact finger include being used for it is dynamic
The conductive contact site of contact, the installation portion for being used to be arranged on static contact seat being integrally connected with contact site, contact site and peace
Dress portion opens up fluted to arrange up and down on the contact surface of the contact site, and the groove, which has, is used for the periphery with moving contact
Face contact is fitted and vertically extending notch is so that the way of contact of static contact finger and moving contact is doublet contact.
The turn edge of fold inward is provided with the radome, the upper end of the contact site is provided with and the turn edge
Block coordinates to prevent static contact finger from deviating from the stop section of radome.
Offer in mounting hole, mounting hole and install on that side relative with radome of the contact site and installation portion
Flexible part, one end top pressure of the elastic component is on radome, other end top pressure is on static contact finger.
The groove is rhombus groove.
The beneficial effects of the utility model are：Open up fluted on the contact surface of contact site, and the groove has
Have and fit and vertically extending notch is contacted with the outer peripheral face of moving contact, the notch is contacted with the outer peripheral face of moving contact
Laminating so that the way of contact of static contact finger and moving contact is doublet contact, and therefore, the contact point between dynamic and static contact just increases
, thus contact resistance is smaller, it is to avoid serious fever phenomenon, extends the service life of static contact finger.
Brief description of the drawings
Fig. 1 be the utility model in arc-chutes one embodiment in static contact structural representation；
Fig. 2 is the structural representation of static contact finger in Fig. 1；
Fig. 3 is Fig. 2 left view；
Fig. 4 is Fig. 2 rearview；
Fig. 5 be Fig. 4 in A-A to sectional view；
Fig. 6 is a kind of top view of multiple static contact fingers of static contact；
Fig. 7 is the stereogram of multiple static contact fingers of another static contact.
In figure：1. static contact seat；2. radome；21. turn edge；3. static contact finger；31. contact site；32. installation portion；33. connection
Portion；34. stop section；35. rhombus groove；36. mounting hole；4. spring；5. moving contact grafting chamber；6. static side bearing；7. spout；8. it is quiet
Arcing contact.
Embodiment
One embodiment of arc-chutes is as shown in Fig. 1 ~ Fig. 5, including housing（Not shown in figure）, dynamic touch is provided with housing
Head（Not shown in figure）, static contact and static side bearing 6, the end of moving contact is provided with the spout 7 for arc blow-out, static contact bag
Include the static contact seat 1 being connected with static side bearing 6, static contact finger 3 and radome 2.
Wherein static contact seat 1 is in ladder shaft-like, altogether including three sections of ladders, and the minimum part of diameter is the first multi-diameter shaft, directly
Footpath is increased to the second multi-diameter shaft and the 3rd multi-diameter shaft successively, and radome 2 is located at the outside of static contact finger 3 and by screw（In figure
It is not shown）It is fixed on the 3rd multi-diameter shaft, the outer peripheral face of radome 2 is concordant with the maximum gauge outer peripheral face of static contact seat 1.It is quiet
Fingertip 3 is arranged on the second multi-diameter shaft and positioned between the second multi-diameter shaft and radome 2, and being used for of static contact finger 3 is arranged on stationary contact
Position on seat 1 is installation portion 32, and installation portion 32 has the periphery of inwardly projecting projecting surface, the projecting surface and the second multi-diameter shaft
Face is fitted close, and realizes the transmission of electric current.
Static contact finger 3 also includes the connecting portion 33 and contact site 31 being connected with the one of installation portion 32, contact site 31, connecting portion 33
And installation portion 32 is arranges up and down, contact site 31 also has inwardly projecting projecting surface, and the projecting surface is to be connect with moving contact
Touch conductive contact surface.A groove, i.e. rhombus groove 35 are offered on the contact surface, the groove width of rhombus groove 35 is prolonged along the vertical direction
Stretch, rhombus groove 35 has the notch for being used for that laminating to be contacted with the outer peripheral face of moving contact, the notch causes static contact finger 3 and moving contact
The way of contact is doublet contact.
The upper end of radome 2 is provided with the turn edge 21 of fold inward, and the upper end of contact site 31 is provided with and turn edge
The stop section 34 that 21 blocks coordinate, such static contact finger 3 is limited between static contact seat 1 and radome 2, does not fall out radome
2。
The back side of static contact finger 3 is to offer mounting hole on that side relative with the projecting surface of contact site and installation portion
36, mounting hole 36 is relative with radome 2, and elastic component is equiped with the mounting hole 36, in this embodiment, and the elastic component is bullet
Spring 4, one end top pressure of spring 4 is on radome 2, other end top pressure on static contact finger 3, the first rank of static contact finger 3 and static contact seat 1
The moving contact grafting chamber 5 for moving contact grafting is formed between terraced axle, so when dynamic and static contact grafting is engaged, due to spring 4
Effect, static contact finger 3 can tightly top pressure on moving contact, it is ensured that the contact between dynamic and static contact, it is ensured that electrical contact
Reliability.
In addition, being additionally provided with the static arc contact 8 for being in contact with moving arcing contact in the endoporus of moving contact seat 1.
Static contact finger 3 in the utility model is that monolithic is freestanding, during manufacture, by mould forging molding, is then being connect
A rhombus groove 35 is processed on the contact surface of contact portion, making the notch of rhombus groove 35, just envelope lives the outer peripheral face of moving contact, makes
The way of contact for obtaining static contact finger 3 and moving contact is doublet contact, and therefore, the contact point between dynamic and static contact is just increased, thus
Contact resistance is smaller, it is to avoid serious fever phenomenon, extends the service life of static contact finger.
Radome 2 is sleeved on the 3rd multi-diameter shaft of static contact seat 1 by static contact finger first in assembling, now should not be by it
Set is loaded into completely, will install one end block of static contact finger 3 of spring 4 in the turn edge 21 of radome 2, the other end i.e. installation portion
Match is attached between the second multi-diameter shaft and radome, and then static contact finger 3, radome 2 are moved downward to the fixing hole on radome 2
It is corresponding with the fixing hole on static contact seat 1, finally radome 2 is fixed using screw.
Because static contact finger 3 is monolithic stand alone type, therefore installation and removal are all very convenient, when static contact finger 3 weares and teares or ablation ratio
When more serious, easily it can be changed to damaging part, it is not necessary to all scrap by whole static contact, effectively reduce
Maintenance cost.
Fig. 6 show a kind of top view of multiple static contact fingers of static contact, and the static contact finger one has 24,24 static contact fingers
Define for the conductive grafting chamber of moving contact grafting, Fig. 7 show the stereogram of multiple static contact fingers of another static contact, and this is quiet
It is with gap, only to be shown in Fig. 7 that fingertip one, which is had between 32, adjacent two static contact finger of above two static contact,
Mounting hole on mounting hole on wherein a piece of static contact finger, other static contact fingers is not shown.
In the other embodiment of arc-chutes：The shape of groove can also be similar oval；Elastic component can also be
Rubber；Mounting hole can not also be opened up on static contact finger, elastic component need not be now set, static contact finger directly can connect with radome
Touch；Stop section can also be not provided with static contact finger, such as static contact finger can be fixed on static contact seat by fixed structure, so
Radome and static contact seat are not fallen out, now without setting turn edge on radome.
The implementation of static contact is for example shown in Fig. 1 ~ Fig. 7, described in the concrete structure of static contact and above-mentioned arc-chutes embodiment
Static contact structure it is identical, will not be described in detail herein.
The implementation of static contact finger is for example shown in Fig. 1 ~ Fig. 7, described in the concrete structure of static contact finger and above-mentioned arc-chutes embodiment
Static contact finger structure it is identical, will not be described in detail herein.
Claims (10)
1. a kind of static contact finger, including for contacted with moving contact conduction contact site, with contact site be integrally connected for installing
Installation portion on static contact seat, contact site and installation portion are arrangement up and down, it is characterised in that：Opened on the contact surface of the contact site
Provided with groove, the groove have be used for contact with the outer peripheral face of moving contact fit and vertically extending notch so that
The way of contact of static contact finger and moving contact is doublet contact.
2. static contact finger according to claim 1, it is characterised in that：The upper end of the contact site, which is provided with, to be used for and radome
On turn edge block coordinate with prevent static contact finger deviate from radome stop section.
3. static contact finger according to claim 1 or 2, it is characterised in that：The contact site and installation portion be used for and shielding
The mounting hole for installing elastic component is offered on that relative side of cover.
4. static contact finger according to claim 1 or 2, it is characterised in that：The groove is rhombus groove.
5. a kind of static contact, including static contact seat, the static contact finger on static contact seat outer peripheral face, be located at it is outside static contact finger and solid
The radome on static contact seat is scheduled on, static contact finger includes being used to contact conductive contact site with moving contact, is integrally connected with contact site
The installation portion for being used to be arranged on static contact seat, contact site and installation portion is arrange up and down, it is characterised in that：The contact site
Open up fluted on contact surface, the groove, which has, to be used to contact fitting and vertically extending with the outer peripheral face of moving contact
Notch so that static contact finger and moving contact the way of contact be doublet contact.
6. static contact according to claim 5, it is characterised in that：The varus of fold inward is provided with the radome
Edge, the upper end of the contact site is provided with to be coordinated to prevent static contact finger from deviating from the stop section of radome with the turn edge block.
7. the static contact according to claim 5 or 6, it is characterised in that：The contact site and installation portion with radome phase
To that side on offer elastic component be equiped with mounting hole, mounting hole, one end top pressure of the elastic component is in radome
Upper, other end top pressure is on static contact finger.
8. being provided with static contact in a kind of arc-chutes, including housing, housing, static contact includes static contact seat, outside static contact seat
Static contact finger on side face, it is located at outside static contact finger and is fixed on the radome on static contact seat, static contact finger includes being used for touching with dynamic
The conductive contact site of head contact, the installation portion for being used to be arranged on static contact seat being integrally connected with contact site, contact site and installation
Portion is arrangement up and down, it is characterised in that：Open up fluted on the contact surface of the contact site, the groove, which has, to be used to touch with dynamic
The outer peripheral face contact laminating and vertically extending notch of head is so that the way of contact of static contact finger and moving contact is two-wire
Contact.
9. arc-chutes according to claim 8, it is characterised in that：The varus of fold inward is provided with the radome
Edge, the upper end of the contact site is provided with to be coordinated to prevent static contact finger from deviating from the stop section of radome with the turn edge block.
10. arc-chutes according to claim 8 or claim 9, it is characterised in that：The contact site and installation portion with radome phase
To that side on offer elastic component be equiped with mounting hole, mounting hole, one end top pressure of the elastic component is in radome
Upper, other end top pressure is on static contact finger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720124072.6U CN206595161U (en) | 2017-02-10 | 2017-02-10 | A kind of static contact finger and the static contact and arc-chutes using the static contact finger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720124072.6U CN206595161U (en) | 2017-02-10 | 2017-02-10 | A kind of static contact finger and the static contact and arc-chutes using the static contact finger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206595161U true CN206595161U (en) | 2017-10-27 |
Family
ID=60127825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720124072.6U Active CN206595161U (en) | 2017-02-10 | 2017-02-10 | A kind of static contact finger and the static contact and arc-chutes using the static contact finger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206595161U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111799123A (en) * | 2019-04-08 | 2020-10-20 | 河南平芝高压开关有限公司 | Static contact component and isolating switch using same |
| CN111799122A (en) * | 2019-04-08 | 2020-10-20 | 河南平芝高压开关有限公司 | Isolating switch and static contact component thereof |
| CN112735898A (en) * | 2020-12-01 | 2021-04-30 | 平高集团有限公司 | Arc contact and circuit breaker |
| CN112927957A (en) * | 2021-01-05 | 2021-06-08 | 平高集团有限公司 | Contact finger assembly |
| CN113223892A (en) * | 2021-05-25 | 2021-08-06 | 上海电器科学研究所（集团）有限公司 | Quick vacuum arc control device that does not have spring |
| CN114068232A (en) * | 2020-08-10 | 2022-02-18 | 平高集团有限公司 | Quiet end structure of explosion chamber |
-
2017
- 2017-02-10 CN CN201720124072.6U patent/CN206595161U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111799123A (en) * | 2019-04-08 | 2020-10-20 | 河南平芝高压开关有限公司 | Static contact component and isolating switch using same |
| CN111799122A (en) * | 2019-04-08 | 2020-10-20 | 河南平芝高压开关有限公司 | Isolating switch and static contact component thereof |
| CN111799123B (en) * | 2019-04-08 | 2023-01-03 | 河南平芝高压开关有限公司 | Static contact component and isolating switch using same |
| CN114068232A (en) * | 2020-08-10 | 2022-02-18 | 平高集团有限公司 | Quiet end structure of explosion chamber |
| CN112735898A (en) * | 2020-12-01 | 2021-04-30 | 平高集团有限公司 | Arc contact and circuit breaker |
| CN112735898B (en) * | 2020-12-01 | 2023-09-29 | 平高集团有限公司 | Arc contact and circuit breaker |
| CN112927957A (en) * | 2021-01-05 | 2021-06-08 | 平高集团有限公司 | Contact finger assembly |
| CN113223892A (en) * | 2021-05-25 | 2021-08-06 | 上海电器科学研究所（集团）有限公司 | Quick vacuum arc control device that does not have spring |
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| GR01 | Patent grant |