CN202633042U - Connection structure for coil external connecting down-lead and binding post - Google Patents
Connection structure for coil external connecting down-lead and binding post Download PDFInfo
- Publication number
- CN202633042U CN202633042U CN 201220304515 CN201220304515U CN202633042U CN 202633042 U CN202633042 U CN 202633042U CN 201220304515 CN201220304515 CN 201220304515 CN 201220304515 U CN201220304515 U CN 201220304515U CN 202633042 U CN202633042 U CN 202633042U
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- coil
- binding post
- installing handle
- lead wire
- external lead
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Abstract
The utility model relates to a connection structure for a coil external connecting down-lead and a binding post. The connection structure comprises a coil and an external connecting down-lead educed from the coil. An installing handle is arranged on the coil. The binding post is fixedly arranged on the installing handle. The external connecting down-lead is fixedly connected with the binding post after wound on the installing handle. According to the connection structure, the external connecting down-lead is wound around the installing handle for one circle, and then is fixedly connected with the binding post, when temperature rises and a coil framework swells, the external connecting down-lead wound around the installing handle can freely stretch out and draw back like a spring and can swell or contract correspondingly along with the swelling or the contraction of the coil framework, and the phenomenon of snapping of the external connecting down-lead can not occur, and therefore the stability of performance of the coil is ensured and service life of the coil is prolonged.
Description
Technical field
The utility model relates to the coil winding technical field, the syndeton of particularly a kind of coil external lead wire and binding post.
Background technology
Coil is widely used as transformer, rotor and electromagnetic induction element etc., generally comprises coil rack, winding and binding post etc.Coil rack generally all comprises wrapping post and the back-up ring that is used for the stop lacquers envelope curve, and enamelled wire is wrapped on the wrapping post, and draws the external lead wire of positive and negative electrode, is used for being connected with binding post.
The external lead wire of existing coil generally all is after winding is drawn, and directly is welded on the binding post.In order to make the not long and influence welding of reason of external lead wire, perhaps often collision and the welding position is got loose in use can be cut short it usually, can be soldered on the binding post just after making it exceptionally straight.
But can there be bigger drawback in the external lead wire of above-mentioned coil and the connected mode of binding post, and for example, coil rack is processed by plastic material usually; Its coefficient of thermal expansion and contraction is big, and the coefficient of thermal expansion and contraction of enamelled wire is little, therefore; When coil heating or ambient temperature rising, with the distance between binding post and the coil is increased, exceptionally straight external lead wire is not owing to there is extendable room; Will be broken, cause the short circuit of coil, influence is normally used.
The utility model content
The main purpose of the utility model is, to above-mentioned deficiency of the prior art, the syndeton of a kind of coil external lead wire and binding post is provided, and can effectively avoid external lead wire to break because of expanding with heat and contract with cold of coil, thereby improve its stability.
In order to realize the foregoing invention purpose, the utility model adopts following technical scheme.
The utility model provides the syndeton of a kind of coil external lead wire and binding post; Comprise coil and the external lead wire of drawing from said coil; Said coil is provided with installing handle; Be fixed with binding post on the said installing handle, said external lead wire is fixedly connected with said binding post after twining on the said installing handle.
Preferably, said installing handle is provided with draw-in groove, and said external lead wire is gripped by said draw-in groove after twining on the said installing handle.
Preferably, said external lead wire winds with one circuit on said installing handle.
Preferably, said coil comprises back-up ring, and said installing handle is arranged on the edge of said back-up ring, and one-body molded with said back-up ring.
Than above-mentioned prior art, the utlity model has following advantage.
The utility model employing after twining a circle on the installing handle, is fixedly connected external lead wire elder generation again with binding post, not only can not occur causing welding inconvenient because of external lead wire is long; Or often bump with object on every side and phenomenon that the welding position is got loose, and the effect of expanding with heat and contract with cold that can the bucking coil skeleton, when temperature raises; When coil rack expanded, the external lead wire that is wrapped on the installing handle can freely stretch as spring, along with the expansion or the contraction of coil rack; Also correspondingly expand or contraction; The phenomenon that external lead wire is broken can not occur, thereby guarantee the stability of coil, prolong the useful life of coil.
Description of drawings
Fig. 1 is the syndeton sketch map of coil external lead wire and binding post among the utility model embodiment.
Fig. 2 is that Fig. 1 is the enlarged diagram at A position.
The realization of the utility model purpose, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
Embodiment
Below will combine accompanying drawing and specific embodiment to specify the technical scheme of the utility model, so as clearer, understand the invention essence of the utility model intuitively.
Fig. 1 is the syndeton sketch map of coil external lead wire and binding post in the present embodiment; Fig. 2 is that Fig. 1 is the enlarged diagram at A position.
Shown in seeing figures.1.and.2, the utility model embodiment provides the syndeton of a kind of coil external lead wire and binding post, comprises coil 1, is arranged with winding 2 on the coil 1, leads to two external lead wires 3 of positive and negative electrode from winding 2.Coil 1 is provided with installing handle 4, is set with two binding posts 5 on this installing handle 4, is used for being connected with above-mentioned positive and negative electrode external lead wire 3 respectively.
Can be shaped on recess on the installing handle 4, be used to twine external lead wire 3, the external lead wire 3 of present embodiment after winding with one circuit on the installing handle 4, is fixedly connected with binding post 5 earlier after winding 2 is drawn again.Like this; When coil 1 expands with heat and contract with cold; Installing handle 4 elongates or shortens, and 3 of external lead wires that are wrapped on the installing handle 4 can freely stretch as spring; And its expanding-contracting action pair is very little with the influence of the fixed connection place of external lead wire 3 with binding post 5, thereby can not get loose or phenomenon of rupture.
Further, above-mentioned installing handle 4 is provided with draw-in groove 6, and external lead wire 3 is after twining on the installing handle 4; Gripped by this draw-in groove 6, its effect is, on the one hand; When being used in, play the effect of initial fixation, make welding be able to make things convenient for and successfully carry out external lead wire 3 and binding post 5 welding; On the other hand; Can increase the frictional force between external lead wire 3 and the installing handle 4; To reduce or to eliminate the action of traction power of the welding position on external lead wire 3 pair of wire connection terminals 5 that cause because of the effect of expanding with heat and contract with cold; Can prevent effectively that the welding position from getting loose or rupture, thereby improve the connection reliability between external lead wire 3 and the binding post 5, and the useful life of further extension coil 1.
In addition, the coil 1 of present embodiment also comprises a back-up ring 7, and above-mentioned installing handle 4 is arranged at the edge of back-up ring 7; And one-body molded with this back-up ring 7, like this, the employing Shooting Technique can be one-body molded with back-up ring 7 and installing handle 4; Technology is simple; Easily manufactured, thus also can enhance productivity, reduce production costs.
In sum, the utility model adopts external lead wire elder generation after twining a circle on the installing handle, is fixedly connected with binding post again; Welding inconvenience not only can not occur causing, or often bump with object on every side and phenomenon that the welding position is got loose because of external lead wire is long, and the effect of expanding with heat and contract with cold that can the bucking coil skeleton; When the temperature rising, when coil rack expanded, the external lead wire that is wrapped on the installing handle can freely stretch as spring; Along with the expansion or the contraction of coil rack, also correspondingly expand or contraction, the phenomenon that external lead wire is broken can not appear; Thereby guaranteed the stability of coil, prolonged the useful life of coil.
The above is merely the preferred embodiment of the utility model; Be not so limit its claim; Every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to be done; Directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (4)
1. the syndeton of coil external lead wire and binding post; Comprise coil and the external lead wire of drawing from said coil; It is characterized in that: said coil is provided with installing handle; Be fixed with binding post on the said installing handle, said external lead wire is fixedly connected with said binding post after twining on the said installing handle.
2. the syndeton of coil external lead wire as claimed in claim 1 and binding post is characterized in that: said installing handle is provided with draw-in groove, and said external lead wire is gripped by said draw-in groove after twining on the said installing handle.
3. the syndeton of coil external lead wire as claimed in claim 1 and binding post is characterized in that: said external lead wire winds with one circuit on said installing handle.
4. the syndeton of coil external lead wire as claimed in claim 1 and binding post is characterized in that: said coil comprises back-up ring, and said installing handle is arranged on the edge of said back-up ring, and one-body molded with said back-up ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220304515 CN202633042U (en) | 2012-06-27 | 2012-06-27 | Connection structure for coil external connecting down-lead and binding post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220304515 CN202633042U (en) | 2012-06-27 | 2012-06-27 | Connection structure for coil external connecting down-lead and binding post |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202633042U true CN202633042U (en) | 2012-12-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220304515 Expired - Fee Related CN202633042U (en) | 2012-06-27 | 2012-06-27 | Connection structure for coil external connecting down-lead and binding post |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202633042U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825123A (en) * | 2014-03-10 | 2014-05-28 | 常州乐士雷利电机有限公司 | Terminal, terminal connecting device, motor with terminal and terminal connecting device and assembling method of motor |
| CN105895336A (en) * | 2016-06-20 | 2016-08-24 | 合肥市菲力克斯电子科技有限公司 | Bottom fixing device |
| CN108109835A (en) * | 2017-12-26 | 2018-06-01 | 合肥博微田村电气有限公司 | Air core coil coiling device and method |
| CN115196414A (en) * | 2022-08-15 | 2022-10-18 | 上海维科精密模塑股份有限公司 | Wire fixing device for coil winding |
-
2012
- 2012-06-27 CN CN 201220304515 patent/CN202633042U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825123A (en) * | 2014-03-10 | 2014-05-28 | 常州乐士雷利电机有限公司 | Terminal, terminal connecting device, motor with terminal and terminal connecting device and assembling method of motor |
| CN103825123B (en) * | 2014-03-10 | 2017-02-08 | 江苏雷利电机股份有限公司 | Terminal, terminal connecting device, motor with terminal and terminal connecting device and assembling method of motor |
| CN105895336A (en) * | 2016-06-20 | 2016-08-24 | 合肥市菲力克斯电子科技有限公司 | Bottom fixing device |
| CN108109835A (en) * | 2017-12-26 | 2018-06-01 | 合肥博微田村电气有限公司 | Air core coil coiling device and method |
| CN108109835B (en) * | 2017-12-26 | 2020-10-27 | 安徽博微新磁科技有限公司 | Hollow coil winding device and method |
| CN115196414A (en) * | 2022-08-15 | 2022-10-18 | 上海维科精密模塑股份有限公司 | Wire fixing device for coil winding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20130627 |