CN107749356A - A kind of fingertip component - Google Patents
A kind of fingertip component Download PDFInfo
- Publication number
- CN107749356A CN107749356A CN201711005192.5A CN201711005192A CN107749356A CN 107749356 A CN107749356 A CN 107749356A CN 201711005192 A CN201711005192 A CN 201711005192A CN 107749356 A CN107749356 A CN 107749356A
- Authority
- CN
- China
- Prior art keywords
- fingertip
- chute
- contact base
- groove
- button contact
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
- H01H1/502—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position the action of the contact pressure spring becoming active only after engagement of the contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
- H01H1/44—Contacts characterised by the manner in which co-operating contacts engage by sliding with resilient mounting
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- Details Of Aerials (AREA)
Abstract
The invention discloses a kind of fingertip component,Aim to provide the load uniformity on each fingertip,And installation is simple,Produce the relatively low fingertip component of required precision,Its drip irrigation device is,Including button contact base and some fingertips,Described button contact base is tubulose and the button contact base upper end is circumferentially arranged with some chutes,Described chute edge extends radially through button contact base outer wall,Fingertip corresponds with chute,Described fingertip one end is provided with connecting portion and connecting portion is slidably connected in chute,Described connecting portion is provided with rotary shaft,Described chute inwall is provided with the groove to match with rotary shaft,Described button contact base outer wall is provided with the annular groove connected with chute,The second ring spring contradicted with each connecting portion is provided with described annular groove,Described fingertip lateral wall is provided with least one groove,Also include at least one first annular spring,Described first annular spring on each fingertip with groove with coordinating,It ensure that the load uniformity on each fingertip.
Description
Technical field
The present invention relates to a kind of fingertip component, more particularly to a kind of gas-insulated metal enclosed switchgear (GIS)
Arrangements of electric connection.
Background technology
The main function of the arrangements of electric connection of gas-insulated metal enclosed switchgear (GIS) is that specified electricity is turned in major loop
Stream and transient fault electric current, its electric property and mechanical performance to electrical connector have very high requirement, and the quality of its quality is directly
Connect the safe operation of the reliability for influenceing GIS and power network.
At present, the electrical connector generally use plum blossom fingertip in domestic GIS device or the connection of watchband-shaped contactor structure.Watch band contact
Though the connected mode cost for referring to structure is cheap, its fit clearance to connection requires higher, is difficult assembling in practice of construction.
Another plum blossom contact finger structure requires slightly lower to the fit clearance of connection, but it is due to cannot be guaranteed on each fingertip
Load uniformity, and installation difficulty, production required precision is high.
The content of the invention
The technical problem to be solved in the present invention is to provide the load uniformity on a kind of each fingertip, and installs simple, life
Produce the relatively low fingertip component of required precision.
The present invention technical solution be to provide a kind of fingertip component with following structure, if including button contact base and
Dry fingertip, described button contact base are tubulose and the button contact base upper end circumferentially arranged with some chutes, and described chute is along edge
Button contact base outer wall is extended radially through, described fingertip corresponds with chute, and described fingertip one end is provided with connecting portion and connecting portion
It is slidably connected in chute, described connecting portion is provided with rotary shaft, and described chute inwall is provided with the groove to match with rotary shaft,
Described button contact base outer wall is provided with the annular groove connected with chute, is provided with what is contradicted with each connecting portion in described annular groove
Second ring spring, described fingertip lateral wall is provided with least one groove, in addition at least one first annular spring, described
First annular spring on each fingertip with groove with coordinating.
Preferably, the 3rd ring spring contradicted with connecting portion, the 3rd described ring spring are provided with described chute
Connecting portion both sides are separately positioned on the second ring spring.
Preferably, described rotary shaft side wall is provided with the groove to match with the second ring spring.
Preferably, described fingertip is provided with sliding surface close to the side of button contact base axis, and described sliding surface is included successively
It is made up of the excessive face of fillet, resistance surface, joint face.
Preferably, described fingertip is parallel is provided with 3 grooves, and fingertip component also includes 3 annulars contradicted with described groove
Spring.
Preferably, fingertip component also includes the connector that is fixedly connected with button contact base, and by connector, fingertip and annular
The radome that spring surrounds.
Preferably, described fingertip is 27 pieces and uniformly cutting obtains by a working body, and described fingertip outer surface is silver-plated.
Preferably, described button contact base is made by copper and outer surface is silver-plated.
After above structure, fingertip component of the invention, compared with prior art, there is advantages below：Conducting rod is inserted
When in fingertip component, fingertip is pressed on conducting rod by first annular spring, utilizes the appropriate of fingertip component internal diameter and conducting rod
Coordinate, every fingertip is formed two lines with conducting rod and contact, so as to obtain reliable contact.It ensure that negative on each fingertip
Uniformity is carried, ensure that prevents the equipment caused by phenomenon of arc discharge caused by loose contact from damaging, so as to reduce the fortune of enterprise
Seek cost.Meanwhile fingertip is parallel with the direction of motion with the pressure direction of button contact base, and it is spacing by the progress of the second ring spring,
The spring that second ring spring can be reduced effectively when contact is connected is small.Fingertip has certainly with producing friction during button contact base relative motion
Clean effect.Short circuit current by when, because the sense of current is consistent between fingertip and button contact base and conducting rod, electric power tend to will touch
Finger pressure is good to conducting rod, dynamic stability.
Brief description of the drawings
Fig. 1 is the cross section structure diagram of the fingertip component of the present invention.
Shown in figure：1st, button contact base；2nd, fingertip；21st, connecting portion；22nd, rotary shaft；3rd, the second ring spring；4th, the 3rd ring
Shape spring；5th, groove；6th, first annular spring；7th, sliding surface；71st, the excessive face of fillet；72nd, resistance surface；73rd, joint face；8th, connect
Part；9th, radome.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Referring to shown in Fig. 1, technical solution of the invention is to provide a kind of component of fingertip 2 with following structure,
Including fingertip 21 and some fingertips 2, if described fingertip 21 be 21 upper ends of tubulose and the fingertip circumferentially arranged with
Dry chute 5, along 21 outer walls of fingertip are extended radially through, described fingertip 2 corresponds described chute 5 with chute 5, described
The one end of fingertip 2 is provided with connecting portion 21 and connecting portion 21 is slidably connected in chute 5, and described connecting portion 21 is provided with rotary shaft 22,
The described inwall of chute 5 is provided with the groove 5 to match with rotary shaft 22, and described 21 outer walls of fingertip are provided with what is connected with chute 5
Annular groove 5, is provided with the second ring spring 3 contradicted with each connecting portion 21 in described annular groove 5, outside described fingertip 2
Side wall is provided with least one groove 5, in addition at least one first annular spring 6, and described first annular spring 6 touches with each
Refer to and coordinate on 2 with groove 5, when conducting rod is inserted in the component of fingertip 2, fingertip 2 is pressed on conducting rod by first annular spring 6, is utilized
The appropriate cooperation of the component internal diameter of fingertip 2 and conducting rod, every fingertip 2 is formed two lines with conducting rod and contact, can so as to obtain
The contact leaned on.The load uniformity on each fingertip 2 is ensure that, ensure that prevents that phenomenon of arc discharge causes caused by loose contact
Equipment damage, so as to reduce the operation cost of enterprise.Meanwhile the pressure direction and the direction of motion of fingertip 2 and fingertip 21
It is parallel, and carried out by the second ring spring 3 spacing, the spring that the second ring spring 3 can be reduced effectively when contact is connected is small.Touch
Refer to 2 with producing friction during 21 relative motions of fingertip, there is self-cleaning action.Short circuit current by when, due to fingertip 2 and fingertip 21
The sense of current is consistent between conducting rod, and electric power tends to fingertip 2 pressing to conducting rod, and dynamic stability is good.
The 3rd ring spring 4 contradicted with connecting portion 21, the described He of the 3rd ring spring 4 are provided with described chute 5
Second ring spring 3 is separately positioned on the both sides of connecting portion 21, and by setting the 3rd ring spring 4, makes the He of the 3rd ring spring 4
Second ring spring 3 connecting portion 21 is carried out simultaneously it is spacing, and it is spacing be it is elastic, it is variable, when effectively reducing contact and connecting
Spring, ensure as a less slip, rather than bounce, that is, can guarantee that the contact of fingertip 2 and fingertip 21, ensure to connect
Effect
The described side wall of rotary shaft 22 is provided with the groove 5 to match with the second ring spring 3, increases contact area, is ensureing relatively
Increase contact area in the case of dress, ensure to contradict effect, connecting portion 21 can be made more stable.
Described fingertip 2 is provided with sliding surface 7 close to the side of 21 axis of fingertip, described sliding surface 7 include successively by
The excessive face 71 of fillet, resistance surface 72, joint face 73 form, and described sliding surface 7 is included successively by the excessive face 71 of fillet, resistance surface
72nd, joint face 73 forms, and sliding surface 7 refers to the contact surface coordinated with conducting rod, is easy to conducting rod to insert by the excessive face 71 of fillet
Enter, and resistance surface 72 stable can be contradicted under the cooperation of first annular spring 6 with conducting rod and proof load is consistent, joint face 73
For ensureing that resistance surface 72 is in the same size on each fingertip 2.
Described fingertip 2 is parallel to be provided with 3 grooves 5, in addition to 3 ring springs 6 contradicted with described groove 5, by setting
Put 3 and first annular spring 6, can not only power of the guarantee effect on fingertip 2 it is uniform, and can reduce due to ring spring 6
Active force caused by body error is inconsistent.The described coefficient of elasticity of first annular spring 6 is consistent.
Also include the connector 8 being fixedly connected for 21 with fingertip, and connector 8, fingertip 2 and ring spring 6 are surrounded
Radome 9, be connected to form shell body with radome 9 by connector 8, described connector 8, fingertip 2 and ring spring 6 are set
Put internally, and realization is fixedly connected with connector 8 for 21 by fingertip and fixed.
Described fingertip 2 is 27 pieces and uniformly cutting obtains by a working body, and the described outer surface of fingertip 2 is silver-plated, can be to the greatest extent
Amount ensures the uniformity of fingertip 2, fingertip 2 is contradicted with conducting rod more uniform, and electroplate considerably increases electric conductivity,
Described fingertip 21 is made by copper and outer surface is silver-plated, considerably increases electric conductivity.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of fingertip component, including button contact base（1）And some fingertips（2）, it is characterised in that：Described button contact base（1）For pipe
Shape and the button contact base（1）Upper end is circumferentially arranged with some chutes（11）, described chute（11）Edge extends radially through fingertip
Seat（1）Outer wall, described fingertip（2）With chute（11）Correspond, described fingertip（2）One end is provided with connecting portion（21）And even
Socket part（21）It is slidably connected at chute（11）Interior, described connecting portion（21）Provided with rotary shaft（22）, described chute（11）It is interior
Wall is provided with and rotary shaft（22）The groove of matching, described button contact base（1）Outer wall is provided with and chute（11）The annular groove of connection, institute
It is provided with and each connecting portion in the annular groove stated（21）The second ring spring contradicted（3）, described fingertip（2）Lateral wall is set
There is at least one groove（5）, in addition at least one first annular spring（6）, described first annular spring（6）Touched with each
Refer to（2）Upper and groove（5）Coordinate.
2. fingertip component according to claim 1, it is characterised in that：Described chute（11）Inside it is provided with and connecting portion（21）
The 3rd ring spring contradicted（4）, the 3rd described ring spring and the second ring spring（3）It is separately positioned on connecting portion（21）
Both sides.
3. fingertip component according to claim 1, it is characterised in that：Described rotary shaft（22）Side wall is provided with and the second ring
Shape spring（3）The groove of matching.
4. fingertip component according to claim 1, it is characterised in that：Described fingertip（2）Close to button contact base（1）Axis
Side is provided with sliding surface（7）, described sliding surface（7）Including successively by the excessive face of fillet（71）, resistance surface（72）, joint face
（73）Composition.
5. fingertip component according to claim 1, it is characterised in that：Described fingertip（2）It is parallel to be provided with 3 grooves（5）, touch
Finger assembly also includes 3 and described groove（5）The ring spring of conflict（6）.
6. the fingertip component stated according to claim 1, it is characterised in that：Fingertip component also includes and button contact base（1）It is fixedly connected
Connector（8）, and by connector（8）, fingertip（2）And ring spring（6）The radome of encirclement（9）.
7. the fingertip component stated according to claim 1, it is characterised in that：Described fingertip（2）It is for 27 pieces and equal by a working body
Even cutting obtains, described fingertip（2）Outer surface is silver-plated.
8. the fingertip component stated according to claim 1, it is characterised in that：Described button contact base（1）It is made by copper and outer surface is plated
Silver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711005192.5A CN107749356B (en) | 2017-10-25 | 2017-10-25 | Contact finger assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711005192.5A CN107749356B (en) | 2017-10-25 | 2017-10-25 | Contact finger assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107749356A true CN107749356A (en) | 2018-03-02 |
| CN107749356B CN107749356B (en) | 2021-05-18 |
Family
ID=61253207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711005192.5A Active CN107749356B (en) | 2017-10-25 | 2017-10-25 | Contact finger assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107749356B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1012083A (en) * | 1996-06-25 | 1998-01-16 | Nec Shizuoka Ltd | Push button |
| CN1933077A (en) * | 2006-09-11 | 2007-03-21 | 浙江华仪电器科技股份有限公司 | Isolated switch main contact for circuit breaker combined electric appliance |
| CN202373467U (en) * | 2011-11-11 | 2012-08-08 | 北京北开电气股份有限公司 | Bus butt joint shielding cover |
| CN103155072A (en) * | 2010-08-13 | 2013-06-12 | Abb技术股份公司 | Electrical contact arrangement, especially for an air insulated medium voltage circuit breaker |
| CN207503815U (en) * | 2017-10-25 | 2018-06-15 | 宁波中迪机械有限公司 | A kind of fingertip component |
-
2017
- 2017-10-25 CN CN201711005192.5A patent/CN107749356B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1012083A (en) * | 1996-06-25 | 1998-01-16 | Nec Shizuoka Ltd | Push button |
| CN1933077A (en) * | 2006-09-11 | 2007-03-21 | 浙江华仪电器科技股份有限公司 | Isolated switch main contact for circuit breaker combined electric appliance |
| CN103155072A (en) * | 2010-08-13 | 2013-06-12 | Abb技术股份公司 | Electrical contact arrangement, especially for an air insulated medium voltage circuit breaker |
| CN202373467U (en) * | 2011-11-11 | 2012-08-08 | 北京北开电气股份有限公司 | Bus butt joint shielding cover |
| CN207503815U (en) * | 2017-10-25 | 2018-06-15 | 宁波中迪机械有限公司 | A kind of fingertip component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107749356B (en) | 2021-05-18 |
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