CN109166740B - Electric connection structure and plug wire switch comprising same - Google Patents
Electric connection structure and plug wire switch comprising same Download PDFInfo
- Publication number
- CN109166740B CN109166740B CN201811027364.3A CN201811027364A CN109166740B CN 109166740 B CN109166740 B CN 109166740B CN 201811027364 A CN201811027364 A CN 201811027364A CN 109166740 B CN109166740 B CN 109166740B
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- wire
- electric wire
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- fixing
- conductive
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- 230000003068 static effect Effects 0.000 claims description 17
- 230000005489 elastic deformation Effects 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims 5
- 238000003780 insertion Methods 0.000 claims 5
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The invention discloses an electric connection structure and a plug wire switch comprising the same. The electric connection structure is used for fixing the electric wire and is electrically connected with the electric wire, and comprises an elastic part and a fixing part, wherein the elastic part can be elastically deformed, the electric wire can be pressed on the fixing part to fix the electric wire, and the electric wire fixing device further comprises a limiting part, and the limiting part is used for limiting the deformation amount of the elastic part, which is elastically deformed. According to the electric connection structure provided by the invention, the limiting part is arranged to limit part of the structure of the elastic part, so that elastic failure caused by overlarge deformation can be avoided, the reliability of the electric connection structure can be improved, and the service life of the electric connection structure can be prolonged.
Description
Technical Field
The invention relates to the technical field of switch correlation, in particular to an electric connection structure and a plug wire switch comprising the same.
Background
The plug wire switch generally inserts the electric wire into the switch from the plug wire hole, fixes the electric wire through the sheet and realizes conductive contact with the electric wire. But the service life of the elastic sheet is limited, and especially when the elastic deformation of the elastic sheet is too large in the process of wiring or disconnecting, the elastic sheet can be easily disabled, so that the elastic sheet can not effectively fix the electric wire, reliable conductive contact between the elastic sheet and the electric wire can not be ensured, and the service life of the switch is seriously influenced.
Disclosure of Invention
Therefore, an object of the present invention is to provide an electrical connection structure capable of prolonging the service life of an elastic portion and a plug wire switch including the same.
In a first aspect, an electrical connection structure for fixing an electrical wire and electrically connecting the electrical wire is provided, including an elastic portion capable of being elastically deformed and capable of pressing the electrical wire against the fixing portion to fix the electrical wire,
The elastic part is used for elastically deforming the elastic part to form a deformation quantity.
Preferably, the fixing portion is provided with a conductive portion, the conductive portion is electrically connected with the electric wire, the elastic portion is formed with an abutting portion, and the abutting portion is electrically connected with the conductive portion.
Preferably, the elastic portion is configured as an elongated structure, a first end of the elastic portion is used for fixing the electric wire, a second end of the elastic portion is a free end, and the abutting portion is formed between the first end and the second end.
In a second aspect, a patch switch is provided with the above electrical connection structure.
Preferably, the plug wire switch comprises a bottom shell, a static contact is arranged in the bottom shell, the static contact forms the elastic part,
The static contact piece is used for fixing the electric wire on a fixing surface on the side wall of the bottom shell, the fixing surface forms the fixing part,
And a limiting structure is further arranged in the bottom shell, the limiting structure forms the limiting part, and the limiting structure is used for limiting the deformation quantity of the static contact sheet, which is elastically deformed.
Preferably, the limit structure is configured as a cylindrical structure.
Preferably, the static contact is constructed in an elongated structure comprising a first portion, a second portion and a third portion, the first portion being connected to the second portion by a first connection, the second portion being further connected to the third portion by a second connection,
The first and second connection portions are configured in a bent/curved structure such that the stationary contact forms a bent or curved shape.
Preferably, the end of the first portion remote from the first connecting portion constitutes a fixed end which presses the electric wire against the fixed surface.
Preferably, the fixed end is formed with a limit groove, and the limit groove is used for limiting the electric wire.
Preferably, a conductive structure is further arranged on the first part, and after the electric wire is fixed, the conductive structure is in contact with the electric wire and realizes conductive connection.
Preferably, the limiting structure is disposed at a position close to the fixed end, and limits the deformation amount of the first portion.
Preferably, a conductive sheet is provided on the fixing surface, and the electric wire is pressed against the conductive sheet.
Preferably, the conductive sheet forms the conductive portion, the second connection portion on the stationary contact sheet forms the abutting portion, and the second connection portion is in contact with the conductive sheet.
Preferably, the plug wire switch is a rotary switch, and further includes a movable contact, where the movable contact can contact the third portion of the stationary contact.
According to the electric connection structure provided by the invention, the limiting part is arranged to limit part of the structure of the elastic part, so that elastic failure caused by overlarge deformation can be avoided, the reliability of the electric connection structure can be improved, and the service life of the electric connection structure can be prolonged.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of embodiments of the present invention with reference to the accompanying drawings, in which:
Fig. 1 shows a schematic diagram of the internal structure of a rotary switch provided by the invention;
fig. 2 shows a schematic structural view of the fixed end.
Detailed Description
The present invention is described below based on examples, but the present invention is not limited to only these examples. It will be appreciated by those of ordinary skill in the art that the drawings provided herein are for illustrative purposes and that the drawings are not necessarily drawn to scale.
Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, it is the meaning of "including but not limited to".
In the description of the present invention, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
The invention provides an electric connection structure which is used for fixedly connecting wires and realizing conductive contact.
The electrical connection structure includes an elastic portion configured as an elongated structure capable of being elastically deformed, and a fixing portion, and the elastic portion is capable of conducting electricity. The first end of the elastic part can press the electric wire on the fixing part so as to fix the electric wire, and meanwhile, the elastic part is contacted with the electric wire so as to realize electric connection between the elastic part and the electric wire, namely, electric conduction can be realized between the elastic part and the electric wire. The second end of the elastic part is a free end, and the second end can be contacted with a matched component and realize electric connection. The electric connection structure further comprises a limiting part, wherein the limiting part is used for limiting the deformation amount of the elastic part, which is elastically deformed, so that the elastic part is prevented from being invalid due to overlarge deformation amount, and the reliability of the elastic part on the electric wire compression is ensured. Preferably, the fixing portion is further provided with a conductive portion, the elastic portion compresses the electric wire on the conductive portion, the electric wire can be electrically connected with the conductive portion and the elastic portion at the same time, the elastic portion is further provided with an abutting portion, the abutting portion abuts against the conductive portion to achieve electrical connection between the elastic portion and the conductive portion, preferably, the abutting portion is located between a first end and a second end of the elastic portion, and further, the elastic portion is bent to form the abutting portion, so that the first end of the elastic portion fixes the electric wire, and the abutting portion is formed between the first end and the second end.
The following describes the electrical connection structure in detail by taking the example that the electrical connection structure provided by the invention is arranged in a plug wire switch, wherein the plug wire switch is preferably a rotary switch, and the specific structure is as follows:
As shown in fig. 1, the rotary switch provided by the invention comprises a bottom shell 1, wherein a static contact piece 2, a movable contact piece 3 and a rotating wheel 4 are arranged in the bottom shell 1, the rotating wheel 4 is rotatably arranged in the bottom shell 1, a plurality of static contact pieces 2 are arranged around the rotating wheel 4, a plurality of movable contact pieces 3 are arranged on the rotating wheel 4 at a certain distance from each other along the circumferential direction of the rotating wheel 4, a conducting circuit can be formed between any two of the movable contact pieces 3, preferably, the movable contact pieces 3 are integrally formed, and the movable contact pieces 3 can rotate along with the rotating wheel 4. The contact relation between the movable contact 3 and the static contact 2 can be changed through the rotation of the rotating wheel 4, so that the conduction state of a circuit is changed, namely, different movable contact 3 and different static contact 2 can be contacted through the rotation of the rotating wheel 4 to different positions.
The static contact 2 is configured as an elastic strip-shaped sheet-shaped conductive structure and comprises a first part 21, a second part 22 and a third part 23, wherein the first part 21 and the second part 22 are connected through a first connecting part 24, and the second part 22 and the third part 23 are connected through a second connecting part 25. The first and second connection parts 24 and 25 are preferably constructed in a bent or curved structure, and the directions of bending or bending of the first and second connection parts 24 and 25 are different. The first connecting portion 24 and the second connecting portion 25 make the whole of the stationary contact 2 be configured to be bent or curved. Preferably, in other embodiments, the stationary contact 2 may be configured in other structures, for example, including more parts, and connected by more connecting parts, etc. Preferably, the stationary contact 2 is fixed to the bottom case 1 by the first connecting portion 24 and the second fixing portion 25, and both the first portion 21 and the third portion 23 are movable by being elastically deformed. The bottom shell 1 is provided with a first fixing structure 11 matched with the first connecting part 24 and a second fixing structure 12 matched with the second connecting part 25, the first fixing structure 11 and the second fixing structure 12 are arranged at positions close to the inner wall of the bottom shell 1, gaps are formed between the first fixing structure 11 and the second fixing structure 12 and the inner wall of the bottom shell 1, and the gaps enable the static contact 2 to be inserted. Specifically, the first fixing structure 11 can press the first portion 21 and/or the first connecting portion 24 against the inner wall of the bottom case 1, and the second fixing structure 12 can press the second connecting portion 25 and/or the third portion 23 against the inner wall of the bottom case 1. Preferably, a mounting groove matched with the shape of the first connecting portion 24 and the second connecting portion 25 is further formed on the inner wall of the bottom case 1, and the first connecting portion 24 and the second connecting portion 25 are fixed in the mounting groove by the first fixing structure 11 and the second fixing structure 12, so that the static contact 2 is mounted more reliably.
The end of the first portion 21 remote from the first connection portion 24 constitutes a fixing end 211, the fixing end 211 being used for fixing the electric wire 5, preferably, the fixing end 211 fixes the electric wire 5 by pressing the electric wire 5 against a fixing surface on an inner wall of the bottom case 1, and electrically connects the fixing end 211 with the electric wire 5. Preferably, the fixed end 211 is further provided with a conductive structure 212, and the conductive structure 212 abuts against the electric wire 5 to realize conductivity, preferably, the conductive structure 212 has better conductivity and corrosion resistance, for example, a conductive plating layer may be disposed on the surface of the conductive structure 212 to improve conductivity and corrosion resistance. As shown in fig. 2, further, a limit groove 213 is further provided at the fixed end 211, the limit groove 213 is configured as a notch formed at the fixed end 211, the limit groove 213 limits the electric wire 5 inside, movement of the electric wire 5 can be avoided, and the limit groove 213 can also provide a larger moving space for mounting or dismounting the electric wire 5.
The limiting structure 13 is arranged in the bottom shell 1, the limiting structure 13 is arranged at a position close to the fixed end 211, and the limiting structure 13 is used for limiting the displacement of the fixed end 211 so as to prevent the fixed end 211 from being excessively displaced. The first portion 21 is required to move the fixed end 211 to the inner side of the bottom case 1 by elastic deformation during the installation or removal of the electric wire 5, so that a gap is formed between the fixed end 211 and the fixed surface, thereby providing a space for the movement of the electric wire 5. When the fixed end 211 moves to the first position, the fixed end 211 contacts with the limiting structure 13 and cannot move continuously, at this time, a gap between the fixed end 211 and the fixed surface is enough for the electric wire 5 to move, and the deformation of the first part 21 cannot be recovered due to excessive elastic deformation, so that the first part 21 is protected. Preferably, the limit structure 13 is configured as a columnar structure, for example, may be a circular column, a prism, or the like, as long as the displacement amount of the first end 211 can be limited, or the limit structure 13 may be configured as an irregular block structure.
Preferably, the fixing surface is provided with a conductive sheet 6, the conductive sheet 6 is attached to the fixing surface, and the fixing end 211 presses the electric wire 5 on the conductive sheet 6, so that the electric wire 5, the conductive sheet 6 and the fixing end 211 can conduct electricity simultaneously. The second connecting portion 25 is abutted to the conductive sheet 6, so that the conductive sheet 6 and the second connecting portion 25 can conduct electricity, and when the fixed end 211 and the electric wire 5 cannot conduct electricity normally, the conductive sheet 6 and the second connecting portion 25 can conduct electricity, so that the reliability of conduction is guaranteed. And the conductive sheet 6 is provided to prevent the electric wire 5 from directly contacting the bottom case 1, so that a fire may be prevented from occurring.
The end of the third portion 23 remote from the second connection portion 25 forms a contact end 231, and the contact end 231 is configured to contact the movable contact 3 and achieve electrical conduction.
In the rotary switch of the present embodiment, the stationary contact 2 forms an elastic portion of the electrical connection structure, the fixed end 211 on the first portion 21 of the stationary contact 2 forms a first end of the elastic portion, the contact end 231 of the third portion 23 of the stationary contact 2 forms a second end of the elastic portion, and the limit structure 13 forms a limit portion of the electrical connection structure. The fixing surface on part of the inner wall of the bottom shell 1 forms the fixing part, the conductive sheet 6 forms the conductive part, the conductive sheet 6 is arranged on the fixing surface, the second connecting part 25 of the static contact sheet 2 forms the abutting part of the elastic part, and the second connecting part 25 abuts on the conductive sheet 6.
Preferably, the electrical connection structure provided by the invention can be applied to other structures besides the rotary switch, for example, any type of switch, socket and the like with a plug wire connection structure.
According to the electric connection structure provided by the invention, the limiting part is arranged to limit part of the structure of the elastic part, so that elastic failure caused by overlarge deformation can be avoided, the reliability of the electric connection structure can be improved, and the service life of the electric connection structure can be prolonged. Meanwhile, the conductive part is arranged on the conductive part, and the conductive part is abutted with the abutting part, so that the reliability of electric connection can be ensured.
It is easy to understand by those skilled in the art that the above preferred embodiments can be freely combined and overlapped without conflict.
It will be understood that the above-described embodiments are merely illustrative and not restrictive, and that all obvious or equivalent modifications and substitutions to the details given above may be made by those skilled in the art without departing from the underlying principles of the invention, are intended to be included within the scope of the appended claims.
Claims (12)
1. An electric connection structure for fixing an electric wire and electrically connecting the electric wire is characterized by comprising an elastic part and a fixing part, wherein the elastic part can elastically deform and can press the electric wire on the fixing part to fix the electric wire,
The device also comprises a limiting part, wherein the limiting part is used for limiting the deformation amount of the elastic part which is elastically deformed; the fixing part is provided with a conductive part, the conductive part is electrically connected with the electric wire, the elastic part is provided with an abutting part, and the abutting part is electrically connected with the conductive part;
The elastic part is provided with a limiting groove, and the limiting groove is used for limiting the electric wire.
2. The electrical connection structure according to claim 1, wherein the elastic portion is configured as an elongated structure, a first end of the elastic portion is for fixing the electrical wire, a second end of the elastic portion is a free end, and the abutting portion is formed between the first end and the second end.
3. A patch switch provided with an electrical connection according to any one of claims 1-2.
4. The wire plugging switch according to claim 3, wherein the wire plugging switch comprises a bottom shell (1), a static contact piece (2) is arranged in the bottom shell (1), the static contact piece (2) forms the elastic part,
The static contact (2) is used for fixing the electric wire (5) on a fixing surface on the side wall of the bottom shell (1), the fixing surface forms the fixing part,
Still be provided with limit structure (13) in drain pan (1), limit structure (13) constitute spacing portion, limit structure (13) are used for restricting the deformation volume that static contact (2) took place elastic deformation.
5. The plug wire switch according to claim 4, wherein the limit structure (13) is configured as a cylindrical structure.
6. The plug wire switch according to claim 4, characterized in that the stationary contact (2) is constructed as an elongated structure comprising a first portion (21), a second portion (22) and a third portion (23), the first portion (21) being connected to the second portion (22) by a first connection (24), the second portion (22) being further connected to the third portion (23) by a second connection (25),
The first connection portion (24) and the second connection portion (25) are configured in a bent or curved structure, so that the stationary contact (2) forms a bent or curved shape.
7. The wire insertion switch according to claim 6, characterized in that the end of the first portion (21) remote from the first connection portion (24) constitutes a fixed end (211), the fixed end (211) pressing the wire (5) against the fixed surface.
8. The plug wire switch according to claim 6, wherein a conductive structure (212) is further provided on the first portion (21), and the conductive structure (212) is in contact with the electric wire (5) and electrically connected after the electric wire (5) is fixed.
9. The wire insertion switch according to claim 7, wherein the limit structure (13) is disposed near the fixed end (211), the limit structure (13) limiting the deformation amount of the first portion (21).
10. The plug wire switch according to claim 6, wherein a conductive sheet (6) is provided on the fixing surface, and the electric wire (5) is pressed against the conductive sheet (6).
11. A wire insertion switch according to claim 10, characterized in that the conductive sheet (6) constitutes the conductive part, the second connection part (25) on the stationary contact (2) constitutes the abutment part, the second connection part (25) being in contact with the conductive sheet (6).
12. The wire insertion switch according to one of claims 6 to 11, characterized in that the wire insertion switch is a rotary switch, further comprising a movable contact (3), the movable contact (3) being able to be in contact with the third portion (23) of the stationary contact (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811027364.3A CN109166740B (en) | 2018-09-04 | Electric connection structure and plug wire switch comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811027364.3A CN109166740B (en) | 2018-09-04 | Electric connection structure and plug wire switch comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109166740A CN109166740A (en) | 2019-01-08 |
| CN109166740B true CN109166740B (en) | 2024-06-04 |
Family
ID=
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4495387A (en) * | 1982-09-30 | 1985-01-22 | White Consolidated Industries, Inc. | Rotary selector switch |
| CN2636397Y (en) * | 2003-08-07 | 2004-08-25 | 深圳市宝克振电子有限公司 | Rotary switch |
| CN1536599A (en) * | 2003-04-08 | 2004-10-13 | Electric switch | |
| JP2005259634A (en) * | 2004-03-15 | 2005-09-22 | Alps Electric Co Ltd | Rotary electrical component |
| CN102354831A (en) * | 2011-08-15 | 2012-02-15 | 浙江正泰建筑电器有限公司 | Binding post apparatus without screw thread |
| CN205303258U (en) * | 2015-12-17 | 2016-06-08 | 佛山市顺德区沅烽电器有限公司 | Microswitch |
| CN208834918U (en) * | 2018-09-04 | 2019-05-07 | 珠海格力电器股份有限公司 | Electric connection structure and plug line switch including it |
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4495387A (en) * | 1982-09-30 | 1985-01-22 | White Consolidated Industries, Inc. | Rotary selector switch |
| CN1536599A (en) * | 2003-04-08 | 2004-10-13 | Electric switch | |
| CN2636397Y (en) * | 2003-08-07 | 2004-08-25 | 深圳市宝克振电子有限公司 | Rotary switch |
| JP2005259634A (en) * | 2004-03-15 | 2005-09-22 | Alps Electric Co Ltd | Rotary electrical component |
| CN102354831A (en) * | 2011-08-15 | 2012-02-15 | 浙江正泰建筑电器有限公司 | Binding post apparatus without screw thread |
| CN205303258U (en) * | 2015-12-17 | 2016-06-08 | 佛山市顺德区沅烽电器有限公司 | Microswitch |
| CN208834918U (en) * | 2018-09-04 | 2019-05-07 | 珠海格力电器股份有限公司 | Electric connection structure and plug line switch including it |
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