CN211351043U - Electrical connection elastic sheet, connector and electronic equipment - Google Patents
Electrical connection elastic sheet, connector and electronic equipment Download PDFInfo
- Publication number
- CN211351043U CN211351043U CN202020143086.4U CN202020143086U CN211351043U CN 211351043 U CN211351043 U CN 211351043U CN 202020143086 U CN202020143086 U CN 202020143086U CN 211351043 U CN211351043 U CN 211351043U
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- Prior art keywords
- elastic
- elastic arm
- arm
- welding
- protection wall
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- 238000003466 welding Methods 0.000 claims description 70
- 230000007704 transition Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 2
- 238000005476 soldering Methods 0.000 claims 3
- 239000012634 fragment Substances 0.000 abstract description 7
- 230000033001 locomotion Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007769 metal material Substances 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
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- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The utility model discloses an electric connection shell fragment, connector and electronic equipment, this electric connection shell fragment is including the weld part that is the plate shape, the relative both sides that set up of weld part, upwards form first elasticity portion and second elasticity portion through a plurality of times buckling respectively along the direction of height, the one end that the weld part was kept away from to first elasticity portion extends the contact site, the one end that the weld part was kept away from to second elasticity portion supports and leans on the bottom at the contact site, the perpendicular first elasticity portion guard wall that upwards extends on one side adjacent with first elasticity portion in the weld part, the perpendicular second elasticity portion guard wall that upwards extends on one side adjacent with second elasticity portion in the weld part, the contact site is when the pressurized, together with first elasticity portion and second elasticity portion, between first elasticity portion guard wall and second elasticity portion guard wall, along the direction of height back and forth movement of contact site. The utility model discloses can reduce plate area, promote contact stability, realize the heavy current transmission.
Description
Technical Field
The utility model relates to a connector technical field especially relates to an electric connection shell fragment, connector and electronic equipment.
Background
With the progress of science and technology and the development of economy, electronic equipment such as mobile phones and tablet computers become indispensable articles for daily use of people, the electronic product numbers are widely integrated into the daily life of people, great convenience is provided for the life and work of people, the life of people is enriched, and the elastic sheet is one of the indispensable devices in the electronic equipment.
Each connector in the electronic equipment is provided with a plurality of elastic sheets, and the elastic sheets are used for connecting circuits or equipment on two sides of the elastic sheets. With the recent trend of miniaturization of electronic devices, the internal connectors of the electronic devices are also miniaturized, and the conventional spring plate is used in which the spring plate connector is arranged on one surface of a substrate, and the other substrate is provided with a contact surface contacting with the spring plate to achieve the purpose of pressure welding connection.
The application and contact mode of the existing spring plate structure mainly have the following problems:
a. the existing elastic sheet occupies a large area, which is not beneficial to the development trend of miniaturization design of electronic equipment;
b. the contact displacement deformation of the existing elastic sheet is oblique displacement, and the contact part can be obliquely displaced along with the increase of the compression stroke, so that the hidden trouble of unstable contact exists.
c. The device can not support large current and has narrow application range.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric connection shell fragment to reduce the plate area, promote contact stability, support the heavy current.
An electric connection elastic sheet comprises a flat welding part, wherein two opposite sides of the welding part are bent upwards for a plurality of times along the height direction of the welding part to form a first elastic part and a second elastic part respectively, one end of the first elastic part, which is far away from the welding part, extends out of a contact part, the contact part is parallel to the welding part, one end of the second elastic part, which is far away from the welding part, is abutted against the bottom of the contact part, one side of the welding part, which is adjacent to the first elastic part, vertically extends upwards to form a first elastic part protection wall, one side of the welding part, which is adjacent to the second elastic part, vertically extends upwards to form a second elastic part protection wall, the first elastic part and the second elastic part are positioned between the first elastic part protection wall and the second elastic part protection wall, and when the contact part is pressed, the first elastic portion and the second elastic portion move back and forth in the height direction of the contact portion between the first elastic portion protection wall and the second elastic portion protection wall.
According to the utility model provides an electrically connected shell fragment, through first elasticity portion and second elasticity portion realization double force arm bearing structure, the contact site is when pressurized, together with first elasticity portion and second elasticity portion, between first elasticity portion guard wall and second elasticity portion guard wall, along the direction of height of contact site back and forth movement, make this shell fragment small, account for the face area little, be favorable to the miniaturization of electronic equipment, the contact site is the vertical motion, through the restriction of first elasticity portion guard wall and second elasticity portion guard wall, the contact site is difficult for taking place the displacement of inclining, contact stability is high; in addition, the double force arms can shunt current, double current transmission paths are realized, and therefore large current transmission can be realized, and the application range is wider.
Additionally, according to the utility model provides an electric connection shell fragment can also have following additional technical characterstic:
furthermore, the first elastic part comprises a first elastic arm, a second elastic arm and a third elastic arm which are connected in sequence and arranged in parallel, the second elastic arm and the third elastic arm are positioned above the first elastic arm, the first elastic arm is connected with the welding part, the third elastic arm is connected with the contact part, U-shaped transition edges are arranged at the joint of the first elastic arm and the welding part, the joint of the first elastic arm and the second elastic arm, the joint of the second elastic arm and the third elastic arm and the joint of the third elastic arm and the contact part, the first elastic arm and the second elastic arm are positioned in a first vertical plane, the first vertical plane is vertical to the plane where the welding part is positioned, and the second elastic arm and the third elastic arm are positioned in a first horizontal plane, the first horizontal plane is parallel to the plane where the welding part is located.
Further, the second elastic part comprises a fourth elastic arm, a fifth elastic arm, a sixth elastic arm and a seventh elastic arm which are connected in sequence and arranged in parallel, the fifth elastic arm and the sixth elastic arm are positioned above the fourth elastic arm, the seventh elastic arm is positioned above the fifth elastic arm and the sixth elastic arm, the fourth elastic arm is connected with the welding part, the seventh elastic arm is abutted against the bottom of the contact part, the joint of the fourth elastic arm and the welding part, the joint of the fourth elastic arm and the fifth elastic arm, the joint of the fifth elastic arm and the sixth elastic arm, and the joint of the sixth elastic arm and the seventh elastic arm are all provided with U-shaped transition edges, the fourth elastic arm and the fifth elastic arm are positioned in a second vertical plane, and the second vertical plane is perpendicular to the plane of the welding part, the fifth elastic arm and the sixth elastic arm are both located in a second horizontal plane, the second horizontal plane is parallel to a plane where the welding part is located, the sixth elastic arm and the seventh elastic arm are both located in a third vertical plane, and the third vertical plane is perpendicular to the plane where the welding part is located.
Furthermore, a first stop arm horizontally extends from one side, far away from the welding part, of the first elastic part protection wall to the direction of the second elastic part protection wall, and the second elastic arm abuts against the bottom of the first stop arm.
Furthermore, the number of the first stopping arms is two, and the two first stopping arms are respectively arranged at two ends of one side, away from the welding part, of the first elastic part protection wall.
Furthermore, a second stop arm horizontally extends from one side, far away from the welding part, of the second elastic part protection wall to the direction of the first elastic part protection wall, and the fifth elastic arm abuts against the bottom of the second stop arm.
Furthermore, the number of the second stopping arms is two, and the two second stopping arms are respectively arranged at two ends of one side, away from the welding part, of the second elastic part protection wall.
Furthermore, one surface of the contact part, which faces away from the welding part, is provided with a contact convex hull, and one surface of the welding part, which faces away from the contact part, is provided with a tin-eating groove.
Another object of the present invention is to provide a connector using the above electrically connected elastic sheet.
Another object of the present invention is to provide an electronic device using the above connector.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic perspective view of an electrical connection elastic piece according to a first embodiment of the present invention at a first viewing angle;
fig. 2 is a schematic perspective view of an electrical connection elastic piece according to a first embodiment of the present invention at a second viewing angle;
fig. 3 is a schematic perspective view of an electrical connection elastic piece at a third viewing angle according to the first embodiment of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "up," "down," and the like are for illustrative purposes only and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 3, the electrical connection elastic sheet according to the first embodiment of the present invention includes a flat welding portion 10, and the contact area of the welding portion 10 should be large to ensure good welding effect with other electronic components. Preferably, the welded portion 10 is a flat plate having a rectangular shape.
The two opposite sides of the welding portion 10 are bent upwards for several times along the height direction of the welding portion 10 to form a first elastic portion 20 and a second elastic portion 30 respectively, one end of the first elastic portion 20, which is far away from the welding portion 10, extends out of a contact portion 40, the contact portion 40 is parallel to the welding portion 10, and one end of the second elastic portion 30, which is far away from the welding portion 10, abuts against the bottom of the contact portion 40. The first elastic part 20 and the second elastic part 30 cooperate to form a double arm support structure.
A first elastic portion protection wall 50 extends vertically and upwardly from one side of the welding portion 10 adjacent to the first elastic portion 20, a second elastic portion protection wall 60 extends vertically and upwardly from one side of the welding portion 10 adjacent to the second elastic portion 30, and the first elastic portion protection wall 50 is parallel to the second elastic portion protection wall 60.
The first elastic part 20 and the second elastic part 30 are located between the first elastic part protection wall 50 and the second elastic part protection wall 60, and when the contact part 40 is pressed, the contact part moves back and forth, i.e., vertically, between the first elastic part protection wall 50 and the second elastic part protection wall 60 along the height direction of the contact part 40 together with the first elastic part 20 and the second elastic part 30. The first elastic part protection wall 50 and the second elastic part protection wall 60 limit and protect the vertical movement of the contact part 60 and the first elastic part 20 and the second elastic part 30, and the second elastic part 30 supports the vertical movement of the contact part 40, so that the structural strength during movement is ensured.
Specifically, the first elastic portion 20 includes a first elastic arm 21, a second elastic arm 22 and a third elastic arm 23 which are connected in sequence and arranged in parallel, the second elastic arm 22 and the third elastic arm 23 are located above the first elastic arm 21, the first elastic arm 21 is connected to the welding portion 10, the third elastic arm 23 is connected to the contact portion 40, U-shaped transition edges are disposed at a connection position of the first elastic arm 21 and the welding portion 10, a connection position of the first elastic arm 21 and the second elastic arm 22, a connection position of the second elastic arm 22 and the third elastic arm 23, and a connection position of the third elastic arm 23 and the contact portion 40, the first elastic arm 21 and the second elastic arm 22 are both located in a first vertical plane, the first vertical plane is perpendicular to a plane where the welding portion 10 is located, and the second elastic arm 22 and the third elastic arm 23 are both located in a first horizontal plane, the first horizontal plane is parallel to the plane in which the weld 10 is located.
The second elastic portion 30 includes a fourth elastic arm 31, a fifth elastic arm 32, a sixth elastic arm 33 and a seventh elastic arm 34, which are connected in sequence and are arranged in parallel, the fifth elastic arm 32 and the sixth elastic arm 33 are located above the fourth elastic arm 31, the seventh elastic arm 34 is located above the fifth elastic arm 32 and the sixth elastic arm 33, the fourth elastic arm 31 is connected with the welding portion 10, the seventh elastic arm 34 abuts against the bottom of the contact portion 40, a connection portion of the fourth elastic arm 31 and the welding portion 10, a connection portion of the fourth elastic arm 31 and the fifth elastic arm 32, a connection portion of the fifth elastic arm 32 and the sixth elastic arm 33, and a connection portion of the sixth elastic arm 33 and the seventh elastic arm 34 are all provided with U-shaped transition edges, and the fourth elastic arm 31 and the fifth elastic arm 32 are all located in a second vertical plane, the second vertical surface is perpendicular to the plane of the welding portion 10, the fifth elastic arm 32 and the sixth elastic arm 33 are both located in a second horizontal surface, the second horizontal surface is parallel to the plane of the welding portion 10, the sixth elastic arm 33 and the seventh elastic arm 34 are both located in a third vertical surface, and the third vertical surface is perpendicular to the plane of the welding portion 10.
In addition, a first stop arm 51 extends horizontally from the side of the first elastic part protection wall 50 away from the welding part 10 to the direction of the second elastic part protection wall 60, and the second elastic arm 22 abuts against the bottom of the first stop arm 51.
Specifically, the number of the first stopping arms 51 is two, and the two first stopping arms 51 are respectively disposed at two ends of one side of the first elastic part protecting wall 50 away from the welding part 10.
A second stop arm 61 extends horizontally from a side of the second elastic portion protection wall 60 away from the welding portion 10 to the first elastic portion protection wall 50, and the fifth elastic arm 32 abuts against the bottom of the second stop arm 61.
Specifically, the number of the second stopping arms 61 is two, and the two second stopping arms 61 are respectively disposed at two ends of one side of the second elastic portion protecting wall 60 away from the welding portion 10.
The surface of the contact portion 40 facing away from the welding portion 10 is provided with a contact convex hull 41 to ensure reliable contact. The contact convex hull 41 may be specifically provided at an intermediate position of the contact portion 40. The contact convex hull 41 may be of circular configuration. The contact between the convex hull 41 and the contact surface can be achieved by means of stamping and drawing.
The surface of the welding part 10, which faces away from the contact part 40, is provided with a tin-feeding groove 11. The tin feed groove 11 is used for dispersing tin paste to solve the high-temperature siphoning phenomenon and enabling redundant tin paste to flow into the tin feed groove 11, so that the welding firmness is improved. The tin-eating groove 11 can be realized by means of stamping and stretching.
In specific implementation, the electrically connecting elastic sheet may be an integral structure, and the material may be a conductive metal material, and when the electrically connecting elastic sheet is manufactured, the welding portion 10, the first elastic portion 20, the second elastic portion 30, the contact portion 40, the first elastic portion protection wall 50, and the second elastic portion protection wall 60 may be formed in a stamping and blanking manner, and then a finished product may be obtained through a press bending process.
According to the above electrically connected elastic sheet, a double-arm support structure is realized by the first elastic part 20 and the second elastic part 30, and when the contact part 40 is pressed, the contact part moves back and forth along the height direction of the contact part 40 between the first elastic part protection wall 50 and the second elastic part protection wall 60 together with the first elastic part 20 and the second elastic part 30, so that the elastic sheet has a small volume, occupies a small area of the sheet, and is beneficial to miniaturization of electronic equipment, the contact part 40 moves vertically, and meanwhile, the contact part 40 is not easy to generate inclined displacement and has high contact stability through the limitation of the first elastic part protection wall 50 and the second elastic part protection wall 60; in addition, the double force arms can shunt current, double current transmission paths are realized, and therefore large current transmission can be realized, and the application range is wider.
A second embodiment of the present invention provides a connector, which comprises at least the electrical connection spring of the first embodiment, wherein the connector can comprise a plurality of electrical connection springs of the first embodiment.
The third embodiment of the present invention further provides an electronic device, which includes at least the above-mentioned connector, and the electronic device can include a plurality of the above-mentioned connectors.
It should be noted that the electronic device may be a mobile phone, a tablet computer, a desktop computer, a PAD, an air conditioner, a refrigerator, or the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. An electric connection elastic sheet is characterized by comprising a flat-plate-shaped welding part, wherein a first elastic part and a second elastic part are respectively formed by upward bending two opposite sides of the welding part for a plurality of times along the height direction of the welding part, one end of the first elastic part far away from the welding part extends out of a contact part, the contact part is parallel to the welding part, one end of the second elastic part far away from the welding part is abutted against the bottom of the contact part, one side of the welding part adjacent to the first elastic part vertically extends upwards to form a first elastic part protection wall, one side of the welding part adjacent to the second elastic part vertically extends upwards to form a second elastic part protection wall, the first elastic part and the second elastic part are positioned between the first elastic part protection wall and the second elastic part protection wall, and when the contact part is pressed, the first elastic portion and the second elastic portion move back and forth in the height direction of the contact portion between the first elastic portion protection wall and the second elastic portion protection wall.
2. The electrical connection elastic piece according to claim 1, wherein the first elastic portion includes a first elastic arm, a second elastic arm and a third elastic arm, which are connected in sequence and arranged in parallel, the second elastic arm and the third elastic arm are located above the first elastic arm, the first elastic arm is connected to the welding portion, the third elastic arm is connected to the contact portion, U-shaped transition edges are disposed at a connection position of the first elastic arm and the welding portion, a connection position of the first elastic arm and the second elastic arm, a connection position of the second elastic arm and the third elastic arm, and a connection position of the third elastic arm and the contact portion, the first elastic arm and the second elastic arm are both located in a first vertical plane, the first vertical plane is perpendicular to a plane where the welding portion is located, the second elastic arm and the third elastic arm are both located in a first horizontal plane, the first horizontal plane is parallel to the plane where the welding part is located.
3. The electrical connection elastic piece according to claim 1, wherein the second elastic portion includes a fourth elastic arm, a fifth elastic arm, a sixth elastic arm and a seventh elastic arm, which are connected in sequence and arranged in parallel, the fifth elastic arm and the sixth elastic arm are located above the fourth elastic arm, the seventh elastic arm is located above the fifth elastic arm and the sixth elastic arm, the fourth elastic arm is connected with the welding portion, the seventh elastic arm abuts against the bottom of the contact portion, a joint of the fourth elastic arm and the welding portion, a joint of the fourth elastic arm and the fifth elastic arm, a joint of the fifth elastic arm and the sixth elastic arm, and a joint of the sixth elastic arm and the seventh elastic arm are all provided with U-shaped transition edges, and the fourth elastic arm and the fifth elastic arm are all located in a second vertical plane, the second vertical surface is perpendicular to the plane where the welding portion is located, the fifth elastic arm and the sixth elastic arm are located in a second horizontal surface, the second horizontal surface is parallel to the plane where the welding portion is located, the sixth elastic arm and the seventh elastic arm are located in a third vertical surface, and the third vertical surface is perpendicular to the plane where the welding portion is located.
4. The electrical connection spring piece according to claim 2, wherein a side of the first elastic portion protection wall away from the soldering portion extends horizontally to form a first stop arm in a direction toward the second elastic portion protection wall, and the second elastic arm abuts against a bottom of the first stop arm.
5. The electrical connection elastic piece according to claim 4, wherein the number of the first stopping arms is two, and the two first stopping arms are respectively disposed at two ends of one side of the first elastic portion protection wall away from the welding portion.
6. The electrical connection spring piece according to claim 3, wherein a second stop arm extends horizontally from a side of the second elastic portion protection wall away from the welding portion to a direction of the first elastic portion protection wall, and the fifth elastic arm abuts against a bottom of the second stop arm.
7. The electrical connection elastic piece according to claim 6, wherein the number of the second stopping arms is two, and the two second stopping arms are respectively disposed at two ends of one side of the second elastic portion protection wall away from the welding portion.
8. The electrical connection spring piece according to claim 1, wherein a contact convex hull is disposed on a surface of the contact portion opposite to the soldering portion, and a tin-feeding groove is disposed on a surface of the soldering portion opposite to the contact portion.
9. A connector, comprising the electrical connection spring as claimed in any one of claims 1 to 8.
10. An electronic device comprising the connector of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020143086.4U CN211351043U (en) | 2020-01-22 | 2020-01-22 | Electrical connection elastic sheet, connector and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020143086.4U CN211351043U (en) | 2020-01-22 | 2020-01-22 | Electrical connection elastic sheet, connector and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211351043U true CN211351043U (en) | 2020-08-25 |
Family
ID=72098077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020143086.4U Expired - Fee Related CN211351043U (en) | 2020-01-22 | 2020-01-22 | Electrical connection elastic sheet, connector and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211351043U (en) |
-
2020
- 2020-01-22 CN CN202020143086.4U patent/CN211351043U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200825 |
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| CF01 | Termination of patent right due to non-payment of annual fee |