CN211743465U - Electrical connection elastic sheet, connector and electronic equipment - Google Patents

Abstract

The utility model discloses an electric connection spring plate, a connector and an electronic device, the electric connection spring plate comprises a flat welding part, two sides of the welding part are arranged oppositely, a first stop arm and a second stop arm extend upwards along the height direction of the welding part respectively, one side of the first stop arm is bent upwards for a plurality of times to form a first elastic part, one side of the second stop arm is bent upwards for a plurality of times to form a second elastic part, the first elastic part and the second elastic part are positioned between the first stop arm and the second stop arm, the tail part of one end of the first elastic part far away from the first stop arm extends to form a contact part, the tail part of one end of the second elastic part far away from the second stop arm extends to form a contact part, the contact part is parallel to the welding part, a supporting platform is supported against the bottom surface of the contact part, when the contact part is pressed, between the first and second stopper arms, moving back and forth in the height direction of the contact portion. The utility model discloses can reduce plate area, promote contact stability.

Description

Electrical connection elastic sheet, connector and electronic equipment

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.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric connection shell fragment to reduce plate occupation area, promote contact stability.

An electric connection elastic sheet comprises a flat welding part, wherein a first stop arm and a second stop arm respectively extend upwards from two opposite sides of the welding part along the height direction of the welding part, one side of the first stop arm is bent upwards for a plurality of times to form a first elastic part, one side of the second stop arm is bent upwards for a plurality of times to form a second elastic part, the first elastic part and the second elastic part are positioned between the first stop arm and the second stop arm, a contact part extends from the tail part of one end, away from the first stop arm, of the first elastic part, a support table extends from the tail part of one end, away from the second stop arm, of the second elastic part, the contact part is parallel to the welding part, the support table abuts against the bottom surface of the contact part, and the contact part, when being pressed, is together with the first elastic part and the second elastic part, between the first stopper arm and the second stopper arm, moving back and forth in the height direction of the contact portion.

According to the utility model provides an electric connection shell fragment, realize two power arm bearing structure through first elastic part and second elastic part, the contact site can be with first elastic part and second elastic part when pressurized, between first locking arm and second locking arm, 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 locking arm and second locking arm simultaneously, the contact site is difficult for taking place the slope displacement, contact stability is high; in addition, the double force arms can shunt current, double current transmission paths are realized, and loss is small.

Additionally, according to the utility model provides an electric connection shell fragment can also have following additional technical characterstic:

further, first elastic part is including the first elastic arm, second elastic arm, third elastic arm and the fourth elastic arm that incline upward to connect in proper order, first elastic arm with first locking arm is connected, the fourth elastic arm with the contact site is connected, first locking arm with the junction of first elastic arm, first elastic arm with the junction of second elastic arm, the second elastic arm with the junction of third elastic arm, the third elastic arm with the junction of fourth elastic arm all is equipped with U type transition limit.

Furthermore, the second elastic part comprises a fifth elastic arm, a sixth elastic arm, a seventh elastic arm and an eighth elastic arm which are sequentially connected in an inclined and upward manner, the fifth elastic arm is connected with the second stopping arm, the eighth elastic arm is connected with the supporting table, and U-shaped transition edges are arranged at the joint of the second stopping arm and the fifth elastic arm, the joint of the fifth elastic arm and the sixth elastic arm, the joint of the sixth elastic arm and the seventh elastic arm, and the joint of the seventh elastic arm and the eighth elastic arm.

Furthermore, spoon-shaped wrapping edges bent towards the welding portion are arranged on the periphery of the contact portion, and the supporting table is located in the spoon-shaped wrapping edges.

Further, the support table is parallel to the welding portion.

Furthermore, the contact part is connected with the first elastic part through a first arc-shaped part, and the support table is connected with the second elastic part through a second arc-shaped part.

Furthermore, a contact convex hull is arranged on one surface of the contact part, which faces away from the welding part.

Furthermore, a tin-feeding groove is formed in one surface, back to the contact portion, of the welding portion.

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 welding part 10 is provided with two opposite sides, a first stop arm 20 and a second stop arm 30 respectively extend upwards along the height direction of the welding part 10, the first stop arm 20 and the second stop arm 30 are parallel, one side of the first stop arm 20 is bent upwards for a plurality of times to form a first elastic part 40, one side of the second stop arm 30 is bent upwards for a plurality of times to form a second elastic part 50, and the first elastic part 40 and the second elastic part 50 are located between the first stop arm 20 and the second stop arm 30. The dual force arm support structure is formed by the first elastic part 40 and the second elastic part 50 cooperating with each other.

A contact part 60 extends from the tail of one end of the first elastic part 40, which is far away from the first stopping arm 20, a support table 70 extends from the tail of one end of the second elastic part 50, which is far away from the second stopping arm 30, the contact part 60 is parallel to the welding part 10, the support table 70 abuts against the bottom surface of the contact part 60, when the contact part 60 is pressed, the contact part 60, together with the first elastic part 40 and the second elastic part 50, moves back and forth between the first stopping arm 20 and the second stopping arm 30 along the height direction of the contact part 60, the first stopping arm 20 and the second stopping arm 30 limit the vertical movement of the contact part 60, and the support table 70 supports the vertical movement of the contact part 60, so as to ensure the structural strength during the movement.

Specifically, the first elastic portion 40 includes a first elastic arm 41, a second elastic arm 42, a third elastic arm 43 and a fourth elastic arm 44 which are connected in an upward inclined manner in sequence, the first elastic arm 41 is connected with the first stopping arm 20, the fourth elastic arm 44 is connected with the contact portion 60, and U-shaped transition edges are disposed at a connection position of the first stopping arm 20 and the first elastic arm 41, a connection position of the first elastic arm 41 and the second elastic arm 42, a connection position of the second elastic arm 42 and the third elastic arm 43, and a connection position of the third elastic arm 43 and the fourth elastic arm 44, so that the first elastic portion 40 is substantially in a continuous U-shaped staircase shape.

Preferably, the first elastic arm 41, the second elastic arm 42, the third elastic arm 43 and the fourth elastic arm 44 are all perpendicular to the welding portion 10.

The second elastic portion 50 includes a fifth elastic arm 51, a sixth elastic arm 52, a seventh elastic arm 53 and an eighth elastic arm 54 which are connected in sequence in an inclined manner, the fifth elastic arm 51 is connected with the second stopping arm 30, the eighth elastic arm 54 is connected with the supporting table 70, and U-shaped transition edges are respectively disposed at a connection position of the second stopping arm 30 and the fifth elastic arm 51, a connection position of the fifth elastic arm 51 and the sixth elastic arm 52, a connection position of the sixth elastic arm 52 and the seventh elastic arm 53, and a connection position of the seventh elastic arm 53 and the eighth elastic arm 54, so that the second elastic portion 50 is also substantially in a continuous U-shaped staircase shape.

Preferably, the planes of the fifth elastic arm 51, the sixth elastic arm 52, the seventh elastic arm 53 and the eighth elastic arm 54 are all perpendicular to the welding portion 10.

A certain gap is left between the first elastic part 40 and the second elastic part 50.

Preferably, a spoon-shaped edge 61 bent toward the welding portion 10 is disposed around the contact portion 60, and the support table 70 is located in the spoon-shaped edge 61, so as to ensure that the support table 70 is always located on the bottom surface of the contact portion 60 in an operating state, and is difficult to separate from the bottom surface, thereby providing a reliable supporting force.

Preferably, the support table 70 is parallel to the welding part 10.

Further, the contact portion 60 is connected to the first elastic portion 40 through a first arc portion 81, specifically, the contact portion 60 is connected to the fourth elastic arm 44 through the first arc portion 81, the support table 70 is connected to the second elastic portion 50 through a second arc portion 82, and specifically, the support table 70 is connected to the eighth elastic arm 54 through the second arc portion 82.

The contact portion 60 is provided with a contact convex hull 62 on the side facing away from the welding portion 10 to ensure reliable contact. The contact convex hull 62 may in particular be provided in an intermediate position of said contact portion 60. The contact convex hull 62 may be of circular configuration. The contact convex hull 62 may be realized by means of stamping and drawing.

A tin-feeding groove 11 is arranged on one surface of the welding part 10, which faces away from the contact part 60. 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 electrical connection elastic sheet may be an integral structure, and the material may be a conductive metal material, and when the electrical connection elastic sheet is manufactured, the welding portion 10, the first stopping arm 20, the second stopping arm 30, the first elastic portion 40, the second elastic portion 50, the contact portion 60, and the supporting table 70 may be formed in a stamping and blanking manner, and then a finished product may be obtained through a stamping and bending process.

According to the above-mentioned electrically connected elastic sheet, a double-arm support structure is realized by the first elastic part 40 and the second elastic part 50, when the contact part 60 is pressed, the contact part moves back and forth between the first stop arm 20 and the second stop arm 30 along the height direction of the contact part 60 together with the first elastic part 40 and the second elastic part 50, 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 60 moves vertically, and meanwhile, the contact part 60 is not easy to generate inclined displacement and has high contact stability through the limitation of the first stop arm 20 and the second stop arm 30; in addition, the double force arms can shunt current, double current transmission paths are realized, and loss is small.

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 welding part, wherein two opposite sides of the welding part are respectively extended upwards to form a first stop arm and a second stop arm along the height direction of the welding part, one side of the first stop arm is bent upwards for a plurality of times to form a first elastic part, one side of the second stop arm is bent upwards for a plurality of times to form a second elastic part, the first elastic part and the second elastic part are positioned between the first stop arm and the second stop arm, the tail part of one end, away from the first stop arm, of the first elastic part is extended to form a contact part, the tail part, away from one end of the second stop arm, of the second elastic part is extended to form a support platform, the contact part is parallel to the welding part, the support platform is abutted against the bottom surface of the contact part, and when the contact part is pressed, together with the first and second elastic parts, moves back and forth between the first and second stopper arms in the height direction of the contact part.

2. The electrical connection elastic piece according to claim 1, wherein the first elastic portion comprises a first elastic arm, a second elastic arm, a third elastic arm and a fourth elastic arm which are sequentially connected in an upward inclined manner, the first elastic arm is connected with the first stopping arm, the fourth elastic arm is connected with the contact portion, and U-shaped transition edges are disposed at a joint of the first stopping arm and the first elastic arm, a joint of the first elastic arm and the second elastic arm, a joint of the second elastic arm and the third elastic arm, and a joint of the third elastic arm and the fourth elastic arm.

3. The electrical connection elastic sheet according to claim 1, wherein the second elastic portion includes a fifth elastic arm, a sixth elastic arm, a seventh elastic arm and an eighth elastic arm which are sequentially connected in an inclined manner, the fifth elastic arm is connected with the second stopping arm, the eighth elastic arm is connected with the supporting platform, and U-shaped transition edges are disposed at a joint of the second stopping arm and the fifth elastic arm, a joint of the fifth elastic arm and the sixth elastic arm, a joint of the sixth elastic arm and the seventh elastic arm, and a joint of the seventh elastic arm and the eighth elastic arm.

4. The electrical connection spring piece according to claim 1, wherein a spoon-shaped edge folded toward the welding portion is disposed around the contact portion, and the support table is located in the spoon-shaped edge.

5. The electrical connection dome of claim 4, wherein the support platform is parallel to the soldering portion.

6. The electrical connection spring as claimed in claim 5, wherein the contact portion is connected to the first elastic portion via a first arc portion, and the support platform is connected to the second elastic portion via a second arc portion.

7. 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.

8. The electrical connection spring piece according to claim 1, wherein a tin-feeding groove is formed on a surface of the soldering portion facing away from 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.

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