CN203070944U - Tulip contact - Google Patents
Tulip contact Download PDFInfo
- Publication number
- CN203070944U CN203070944U CN 201320091395 CN201320091395U CN203070944U CN 203070944 U CN203070944 U CN 203070944U CN 201320091395 CN201320091395 CN 201320091395 CN 201320091395 U CN201320091395 U CN 201320091395U CN 203070944 U CN203070944 U CN 203070944U
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- CN
- China
- Prior art keywords
- fingertip
- contact
- ring
- spring
- mume flower
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a tulip contact including a contact finger base and a plurality of contact fingers. The contact fingers are arranged in a ring form along the inner part of the contact finger base, so that a contact finger ring is formed. The contact fingers include head parts, tail parts and connection parts connecting the head parts with the tail parts. The head parts and the tail parts of the adjacent two contact fingers are contacted with each other in an overlapped manner along the radial direction through connection springs. The contact finger base includes a contact finger base body and a seal cover. The contact finger base body is provided with an installation cavity used for accommodating the contact finger ring. The seal cover is covered on the installation cavity. According to the utility model, an elastic function of an inner ring of the contact finger ring is realized through the mutual cooperation of the contact fingers and the connection springs, so that inserted insert pieces can be clamped firmly. The connection springs are arranged in the contact finger base, so that the stability of the integral structure of the tulip contact is guaranteed. And since a traditional structure of a contact support is removed and the elastic transformation of the contact fingers and the connection springs is realized by themselves, the integral size is reduced.
Description
Technical field
The utility model relates to a kind of contact, especially a kind of Mume flower contact.
Background technology
Contact is divided according to operation principle, can be divided into self-reliance contact, non-self-reliance contact.The self-reliance contact is that surrender elastic force that the distortion of contact material itself produces provides contact pressure, and common have finger contact, dish-type contact, watch band contact first-class; Non-self-reliance contact refers to provide contact pressure with other power, and common have Mume flower contact, block finger contact, compound watch band contact first-class.
Wherein, Mume flower contact is widely used in electrical equipment, and existing Mume flower contact mainly comprises following two kinds of structures.
First kind of structure: Mume flower contact is made up of fingertip, the first fingertip spring, the second fingertip spring, fingertip support, fingertip seat, and fingertip two ends along its length are contact site, and the centre is transition part; Each fingertip surrounds into a circulus, and an end is centered around on the fingertip seat; The middle part of fingertip is arranged in the fingertip support, prevents the fingertip upset, and the first fingertip spring and the second fingertip spring surround into a circle separately, and hoop is in appropriate location, fingertip two ends, with the fingertip banding; The mount of last spring, fingertip and fingertip support is on the fingertip seat.But under this structure, the fingertip structure is thinner, and fingertip quantity is many, and stability was not good when this just caused fingertip work, and particularly under electrodynamic action, whole Mume flower contact disintegrates easily.Simultaneously, the contact site at fingertip two ends forms a seesaw structure at the fingertip support, and it is long fingertip length to occur, and oversize situation further increases unsteadiness.
Second kind of structure: Mume flower contact is made up of tactile cover, fingertip seat, fingertip piece, shelves ring, the first fingertip spring, the second fingertip spring, and the fingertip two ends are contact site, and the centre is transition part; A plurality of fingertip pieces are formed circulus around the shelves ring, center line with this circulus is axis, the outer wall of ring center offers two grooves around axis arranged dorsad on the fingertip piece, two grooves are along axis arranged, pack in surrounding the fingertip piece groove of the loop configuration first fingertip spring and the second fingertip spring; The structure that assembles is encased in the tactile cover that has containing cavity, after finishing all assemblings, the package assembly of touching cover and fingertip piece is pressed onto on the fingertip seat.This structure has been improved the subproblem in first kind of structure, the fingertip spring that the fingertip piece (being equivalent to first kind of fingertip in the structure) that surrounds loop configuration is peripheral changes the spring in fingertip seat mounted inside into, increased contact stability, be difficult for disintegrating, but do not change the structure of original seesaw, the contact entire length is long all the time, and size is also excessive.
The utility model content
In order to overcome the deficiencies in the prior art, it is a kind of simple in structure and reasonable that the utility model provides, and can reduce the Mume flower contact of overall dimensions.
Technical solutions of the utility model are: a kind of Mume flower contact, comprise fingertip seat and some fingertips, and described fingertip is laid along fingertip seat inner annular and is constituted the fingertip ring; Described fingertip comprises the connecting portion of stem, afterbody, connection stem and afterbody, and the stem of adjacent two fingertips and afterbody are by being connected the radially overlapping contact of spring.
In the utility model, connect spring and be connected with afterbody with the stem of continuous fingertip spare respectively, concrete connected mode can adopt welding or bonding.Jack on the fingertip seat is the service area, in the time of in plug-in unit inserts jack, the fingertip ring that is positioned at the fingertip seat links when work thereupon, part near fingertip ring center on the fingertip ring will be subjected to the plug-in unit active force, and overcome the elastic force that connects spring, and to away from the motion of the direction at fingertip ring center, thereby when guaranteeing that plug-in unit can insert in the fingertip ring, realize being communicated with of circuit on plug-in unit and the fingertip ring.Wherein, if the fingertip ring amplified and regard a tubular structure as, then the fingertip ring radially refer to this tubular structure diameter place direction, and axially refer to this tubular structure axis place direction.
More convenient when installing in order to guarantee fingertip, so stem is positioned at deep position on the fingertip ring, afterbody is positioned on the fingertip ring position near the center.
Spring is installed and more stable during work in order to guarantee to connect, and then stem is equipped with afterbody and places the spring groove that is connected spring, and two adjacent fingertip stems are corresponding with the spring groove notch on the afterbody, form the spring groove for the complete installation usefulness of connection spring thus.When the connection spring is installed in the spring groove, for the end that connects spring is inserted in the spring groove.
Wherein, the fingertip seat comprises fingertip seat body and capping, and the fingertip seat body is provided with the installation cavity of annular, and capping is located on this installation cavity.The installation cavity structure of annular is consistent with the shape of fingertip ring, so after the fingertip ring is installed in the installation cavity, cover installation cavity by capping, avoids the fingertip ring to deviate from installation cavity.The split design of fingertip seat not only can provide rational assembly structure for the installation of fingertip ring, and be convenient to replacing and the maintenance of fingertip ring.
The quantity of fingertip ring is more many, when then working and the reliability of fingertip loop contacts more stable, so the quantity of described fingertip ring has one at least, and each fingertip ring coaxial arrangement.
Further preferred the setting is that the quantity of described fingertip ring is two.
Owing to when plug-in unit inserts in the jack, produce with contacting successively of fingertip ring, so for fear of the work phase mutual interference of fingertip ring, so two adjacent fingertip interannulars are provided with insulation board.
Further preferred the setting is to be provided with insulation board between described fingertip ring sidepiece and installation cavity.
Further preferred the setting is again, and same fingertip ring comprises 10～16 fingertips at least, and wherein preferred amount is 12.
The beneficial effects of the utility model are: by fingertip be connected cooperatively interacting of spring, realize the spring function of fingertip ring inner ring, thereby guarantee the plug-in unit that inserts is tightened.Connect spring and be arranged on contact base inside, thereby guarantee that the Mume flower contact overall structure is stable, because cancelled the structure of traditional contact supporting, realize the strain of self by fingertip with being connected spring again, dwindled overall dimensions.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the structural representation of the utility model embodiment contact.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described:
As shown in Figure 1, 2, 3, present embodiment comprises fingertip seat 1 and the fingertip ring 2 that is installed in the fingertip seat 1, each fingertip ring 2 is made up of 12 fingertips 21, fingertip 21 is " S " font, each fingertip 21 connects and constitutes the fingertip ring 2 of annular successively, if fingertip ring 2 amplified and regard a tubular structure as, then fingertip ring 2 radially refer to this tubular structure diameter place direction, and axially refer to this tubular structure axis place direction.Wherein, fingertip 21 comprises stem 211, afterbody 212, and is used for connecting the connecting portion 213 of stem 211 and afterbody 212, and stem 211 is an end of " Z ", and afterbody 212 is the other end of " Z ", and connecting portion 213 is between the both ends.The stem 211 of two continuous fingertips 21 and afterbody 212 are along the radially overlaid of fingertip ring 2, and stem 211 is arranged near the outer ring of fingertip ring 2, afterbody 212 is arranged near the inner ring of fingertip ring 2, the arranged direction that also is fingertip 21 on the fingertip ring 2 all is unified, can guarantee that like this fingertip 21 adopts same set of mould production, thereby improve the production efficiency of fingertip 21.On overlapped stem 211 and afterbody 212, the position offers corresponding layout of notch of corresponding spring groove 22, two spring grooves 22 respectively in opposite directions, thereby forms the accommodation space of a symmetry.In this accommodation space, be installed on one and connect spring 23, and the two ends of this connection spring 23 are inserted in respectively in the spring groove 22 of stem 211 and afterbody 212, thereby realize being connected of continuous fingertip 21 stems 211 and afterbody 212.The end that connects spring 23 directly and spring groove 22 bottoms lean just, if in order to guarantee stability, can also be undertaken bonding by the bottom land of adhesive and spring groove 22.
In order to guarantee fingertip ring 2 energy steady operations, so the quantity of fingertip ring 2 is two, and two fingertip rings, 2 coaxial arrangement.2 adjacent sides of two fingertip rings isolate by insulation board 3, and this insulation board 3 is circulus, and insulation board 3 is covered on the side of fingertip ring 2 fully.Simultaneously, the side of fingertip ring 2 is provided with for the insulation board 3 isolated with the installation cavity inwall.
In the utility model, jack 13 on the fingertip seat 1 is the service area, in the time of in plug-in unit inserts jack 13, the fingertip ring 2 that is positioned at fingertip seat 1 links when work thereupon, part near fingertip ring 2 centers on the fingertip ring 2 will be subjected to the plug-in unit active force, and overcome the elastic force that connects spring, and to the direction motion away from fingertip ring 2 centers, thereby when guaranteeing that plug-in unit can insert in the fingertip ring 2, realize being communicated with of circuit on plug-in unit and the fingertip ring 2.By fingertip 21 be connected cooperatively interacting of spring 23, realize the spring function of fingertip ring 2 inner rings, thereby guarantee the plug-in unit that inserts is tightened.Connect spring 23 and be arranged on contact base 1 inside, thereby guarantee that the Mume flower contact overall structure is stable, again because cancelled the structure of traditional contact supporting, both realize the strain of self with being connected spring 23 by fingertip 21, have dwindled overall dimensions.
Claims (9)
1. a Mume flower contact comprises fingertip seat and some fingertips, it is characterized in that: described fingertip is laid along fingertip seat inner annular and is constituted the fingertip ring; Described fingertip comprises the connecting portion of stem, afterbody, connection stem and afterbody, and the stem of adjacent two fingertips and afterbody are by being connected the radially overlapping contact of spring.
2. Mume flower contact according to claim 1, it is characterized in that: described stem is positioned at deep position on the fingertip ring, and afterbody is positioned on the fingertip ring position near the center.
3. Mume flower contact according to claim 1 and 2 is characterized in that: described stem is equipped with afterbody and places the spring groove that is connected spring.
4. Mume flower contact according to claim 3, it is characterized in that: described fingertip seat comprises fingertip seat body and capping, and the fingertip seat body is provided with the installation cavity of annular, and capping is located on this installation cavity.
5. Mume flower contact according to claim 1, it is characterized in that: the quantity of described fingertip ring has one at least, and each fingertip ring coaxial arrangement.
6. Mume flower contact according to claim 5, it is characterized in that: the quantity of described fingertip ring is two.
7. Mume flower contact according to claim 6, it is characterized in that: two adjacent fingertip interannulars are provided with insulation board.
8. Mume flower contact according to claim 7 is characterized in that: be provided with insulation board between described fingertip ring sidepiece and installation cavity.
9. Mume flower contact according to claim 1, it is characterized in that: same fingertip ring comprises 10～16 fingertips at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320091395 CN203070944U (en) | 2013-02-28 | 2013-02-28 | Tulip contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320091395 CN203070944U (en) | 2013-02-28 | 2013-02-28 | Tulip contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203070944U true CN203070944U (en) | 2013-07-17 |
Family
ID=48769708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320091395 Expired - Fee Related CN203070944U (en) | 2013-02-28 | 2013-02-28 | Tulip contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203070944U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794386A (en) * | 2014-01-15 | 2014-05-14 | 北京华东电气股份有限公司 | Clamping plate type tulip contact of SF6 composite apparatus |
| CN114597081A (en) * | 2021-12-21 | 2022-06-07 | 河南平高通用电气有限公司 | Contact finger structure and switch equipment using same |
-
2013
- 2013-02-28 CN CN 201320091395 patent/CN203070944U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794386A (en) * | 2014-01-15 | 2014-05-14 | 北京华东电气股份有限公司 | Clamping plate type tulip contact of SF6 composite apparatus |
| CN114597081A (en) * | 2021-12-21 | 2022-06-07 | 河南平高通用电气有限公司 | Contact finger structure and switch equipment using same |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20180228 |