CN212209817U

CN212209817U - Electrical connection elastic sheet, connector and electronic equipment

Info

Publication number: CN212209817U
Application number: CN202021064939.1U
Authority: CN
Inventors: 邓白频; 陈军
Original assignee: Shenzhen Krconn Technology Co ltd
Current assignee: Shenzhen Krconn Technology Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2020-12-22
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses an electric connection shell fragment, connector and electronic equipment, this electric connection shell fragment includes the weld part, first elastic part and second elastic part are upwards extended respectively perpendicularly to the both ends of weld part along first direction, first protection portion and second protection portion are upwards extended respectively perpendicularly to the both ends of weld part along the second direction, the one end that first elastic part kept away from the weld part extends first joint portion, first joint portion extends first joint hook, the one end that second elastic part kept away from the weld part extends second joint portion, second joint portion and contact site are connected, second joint portion extends second joint hook, first joint portion, second joint portion, first joint hook, second joint hook form the interlock structure, support the contact site; when the contact part is pressed, the contact part moves back and forth in the accommodating space along the height direction of the contact part together with the first elastic part and the second elastic part. The utility model discloses can reduce plate area, promote contact stability, reduce cost.

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.

A plurality of spring plates are arranged in the electronic equipment and used for connecting circuits or equipment. With the recent trend of miniaturization of electronic devices, the internal connectors of the electronic devices are also miniaturized, and in the conventional structure, one surface of a substrate is provided with an elastic sheet or POGO PIN, and the other substrate is provided with a contact surface contacted with the elastic sheet or POGO PIN to achieve the purpose of pressure welding connection.

The above-described conventional structure mainly has the following problems:

a. the existing elastic sheet occupies a large area of the panel, and 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. POGO PIN contact and sleeve are all car finished parts, and production efficiency is low, and the processing cost is high.

SUMMERY OF THE UTILITY MODEL

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

An electric connection elastic sheet comprises a flat welding part, wherein a first elastic part and a second elastic part are vertically and upwardly extended from two ends of the welding part along a first direction respectively;

a first clamping portion extends from one end, away from the welding portion, of the first elastic portion, a first clamping groove is formed in one end of the first clamping portion, a T-shaped first clamping hook extends from the other end of the first clamping portion vertically upwards, a second clamping portion extends from one end, away from the welding portion, of the second elastic portion, the second clamping portion is connected with the contact portion, the second clamping portion is parallel to the first clamping portion, the second clamping portion abuts against the upper portion of the first clamping portion, a second clamping groove is formed in one end of the second clamping portion, and the other end of the second clamping portion extends downwards and extends out of the T-shaped second clamping hook vertically; the first clamping hook is clamped in the second clamping groove, and the second clamping hook is clamped in the first clamping groove to support the contact part; when the contact portion is pressed, the contact portion moves back and forth in the accommodating space in the height direction of the contact portion together with the first elastic portion and the second elastic portion.

According to the utility model provides an electric connection shell fragment, contact site are when the pressurized, together with first elasticity portion and second elasticity portion, in the accommodating space that first protection portion and second protection portion enclose, along the direction of height back and forth movement of contact site for this shell fragment is small, and it is little to account for the face area, is favorable to electronic equipment's miniaturization, because the contact site is vertical motion from top to bottom, is difficult for taking place the displacement that inclines, and contact stability is high. This electric connection shell fragment need not to use car finished piece, and accessible stamping forming realizes that production efficiency is high, and manufacturing cost is lower. In addition, first joint portion, second joint portion, first joint hook, second joint hook have formed the interlock structure together, support contact portion, can guarantee under atress operating condition that first elastic component and second elastic component are in even stress state all the time, are difficult to break away from, provide reliable stable forward force.

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

furthermore, the welding portion, the first elastic portion, the second elastic portion, the first clamping portion, the second clamping portion, the contact portion, the first protection portion, the second protection portion, the first clamping hook and the second clamping hook are formed in the same horizontal plane in a stamping and blanking mode, and then a finished product is obtained through a stamping and bending process.

Further, first elastic part includes first elastic arm, second elastic arm, third elastic arm, fourth elastic arm, the fifth elastic arm that from the bottom up connected gradually, first elastic arm with weld connection, the fifth elastic arm with first joint portion connects, 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 the fourth elastic arm with the junction of fifth elastic arm all is equipped with U-shaped transition limit, first elastic part wholly is L shape structure, just first joint portion with the weld connection is parallel.

Further, the second elastic part includes sixth elastic arm, seventh elastic arm, eighth elastic arm, ninth elastic arm, the tenth elastic arm that from the bottom up connected gradually, the sixth elastic arm with the weld connection, the tenth elastic arm respectively with second joint portion with the contact site is connected, the sixth elastic arm with the junction of seventh elastic arm the seventh elastic arm with the junction of eighth elastic arm the eighth elastic arm with the junction of ninth elastic arm the ninth elastic arm with the junction of tenth elastic arm all is equipped with U-shaped transition limit, the whole L shape structure that is of second elastic part, just the second elastic part with first elastic part with the weld part sets up as central symmetry, second joint portion with the weld part is parallel.

Further, first protection portion with second protection portion all is L shape structure, just first protection portion with second protection portion uses the welding part sets up as central symmetry.

Further, the bottom plate of first protection portion is equipped with first welding foot, the bottom plate of second protection portion is equipped with second welding foot, the bottom surface of first welding foot and the bottom surface of second welding foot all with the bottom surface parallel and level of welding part.

Furthermore, the corners of the welding part are provided with horizontal welding feet.

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

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 (the first protection portion and the second protection portion are in an expanded state);

fig. 3 is a schematic perspective view of the electrical connection elastic piece according to the first embodiment of the present invention at a third viewing angle (the contact portion is in an expanded state);

fig. 4 is a schematic view of a manufacturing process of the electrical connection elastic sheet according to the first embodiment of the present invention (in a state of being just punched and blanked);

fig. 5 is a schematic view of a manufacturing process of the electrical connection elastic piece according to the first embodiment of the present invention (bending contact portion, first snap hook and second snap hook);

fig. 6 is a schematic view of a manufacturing process of the electrical connection elastic piece according to the first embodiment of the present invention (bending the first elastic portion and the second elastic portion in half);

fig. 7 is a schematic view of a manufacturing process of the electrical connection elastic piece according to the first embodiment of the present invention (integrally bending the first elastic portion);

fig. 8 is a schematic view of a manufacturing process of the electrical connection elastic piece according to the first embodiment of the present invention (integrally bending the second elastic portion);

fig. 9 is a schematic view of a manufacturing process of the electrical connection elastic piece according to the first embodiment of the present invention (first bending the first protection portion and the second protection portion);

fig. 10 is a schematic view of a manufacturing process of the electrical connection elastic piece according to the first embodiment of the present invention (bending the first protection portion again).

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 portion 10 is provided with a first elastic portion 20 and a second elastic portion 30 extending upwards from two ends in a first direction, the welding portion 10 is provided with a first protection portion 40 and a second protection portion 50 extending upwards from two ends in a second direction, the first direction is perpendicular to the second direction, and the first elastic portion 20 and the second elastic portion 30 are located in an accommodating space defined by the first protection portion 40 and the second protection portion 50.

A first clamping portion 60 extends from one end, far away from the welding portion 10, of the first elastic portion 20, a first clamping groove 61 is formed in one end of the first clamping portion 60, a T-shaped first clamping hook 62 extends vertically upwards from the other end of the first clamping portion 60, a second clamping portion 70 extends from one end, far away from the welding portion 10, of the second elastic portion 30, the second clamping portion 70 is connected with the contact portion 80, the second clamping portion 70 is parallel to the first clamping portion 60, the second clamping portion 70 abuts against the upper portion of the first clamping portion 60, a second clamping groove 71 is formed in one end of the second clamping portion 70, and a T-shaped second clamping hook 72 extends vertically downwards from the other end of the second clamping portion 70; first joint hook 62 joint is in the second joint groove 71, second joint hook 72 joint is in first joint groove 61, first joint portion 60, second joint portion 70, first joint hook 62, second joint hook 72 form the interlock structure together with right contact portion 80 supports.

The contact portion 80 is a U-shaped structure, and two ends of the U-shaped structure have one end connected to the second clamping portion 70 and the other end abutting against the second clamping portion 70, and the middle of the U-shaped structure is parallel to the welding portion 10.

When the contact portion 80 is pressed, the contact portion moves back and forth, i.e., vertically moves, in the height direction of the contact portion 80 in the accommodating space defined by the first protection portion 40 and the second protection portion 50 together with the first elastic portion 20 and the second elastic portion 30. The first and

second protection parts

40 and 50 limit and protect the vertical movement of the contact part 80 and the first and second

elastic parts

20 and 30. Because first joint hook 62 joint is in the second joint groove 71, second joint hook 72 joint is in first joint groove 61, first joint portion 60, second joint portion 70, first joint hook 62, second joint hook 72 form the interlock structure together, support contact portion 80, can guarantee under atress operating condition that first elastic component 20 and second elastic component 30 are in even stress state all the time, are difficult to break away from, provide reliable stable forward force.

Specifically, first elastic part 20 includes first elastic arm 21, second elastic arm 22, third elastic arm 23, fourth elastic arm 24, fifth elastic arm 25 that from the bottom up connected gradually, first elastic arm 21 with welding portion 10 is connected, fifth elastic arm 25 with first joint portion 60 is connected, first elastic arm 21 with the junction of second elastic arm 22 with the junction of third elastic arm 23 with the junction of fourth elastic arm 24 with the junction of fifth elastic arm 25 all is equipped with U-shaped transition limit, first elastic part 20 wholly is L shape structure, just first joint portion 60 with welding portion 10 is parallel.

The second elastic part 30 comprises a sixth elastic arm 31, a seventh elastic arm 32, an eighth elastic arm 33, a ninth elastic arm 34 and a tenth elastic arm 35 which are connected in sequence from bottom to top, the sixth elastic arm 31 is connected to the welding portion 10, the tenth elastic arm 35 is connected to the second engaging portion 70 and the contact portion 80, the joint of the sixth elastic arm 31 and the seventh elastic arm 32, the joint of the seventh elastic arm 32 and the eighth elastic arm 33, the joint of the eighth elastic arm 33 and the ninth elastic arm 34, and the joint of the ninth elastic arm 34 and the tenth elastic arm 35 are all provided with U-shaped transition edges, the second elastic part 30 is integrally in an L-shaped structure, and the second elastic part 30 and the first elastic part 20 are symmetrically arranged with the welding part 10 as a center, and the second clamping part 70 is parallel to the welding part 10.

The first protection portion 40 and the second protection portion 50 are both L-shaped structures, and they form a rectangular receiving space, and the first protection portion 40 and the second protection portion 50 are symmetrically arranged with the welding portion 10 as a center.

The bottom plate of first protection portion 40 is equipped with first welding foot 41, the bottom plate of second protection portion 50 is equipped with second welding foot 51, the bottom surface of first welding foot 41 and the bottom surface of second welding foot 51 all with the bottom surface parallel and level of welding portion 10. The first and

second welding feet

41 and 51 are provided for increasing the overall product strength.

The welding part 10 is provided at the corners with horizontal welding legs 11 to increase the welding strength.

The contact portion 80 (specifically, the middle of the U-shaped structure) is provided with a contact convex hull 81 on the surface facing away from the welding portion 10, so as to ensure reliable contact. The contact convex hull 81 may be specifically provided at an intermediate position of the contact portion 80. The contact convex hull 81 may be of circular configuration. The contact convex hull 81 can be realized by means of stamping and drawing.

Optionally, a tin-feeding groove (not shown) is disposed on a surface of the soldering portion 10 facing away from the contact portion 80. The tin feed groove is used for dispersing the tin paste to solve the high-temperature siphoning phenomenon and enabling the redundant tin paste to flow into the tin feed groove, so that the welding firmness is improved. The tin groove can be formed by stamping and stretching.

When the electrical connection elastic sheet is manufactured, the welding portion 10, the first elastic portion 20, the second elastic portion 30, the first clamping portion 60, the second clamping portion 70, the contact portion 80, the first protection portion 40, the second protection portion 50, the first clamping hook 62 and the second clamping hook 72 which are located in the same horizontal plane are formed in a stamping and blanking mode, and then a finished product is obtained through a stamping and bending process.

The manufacturing process of the electrical connection elastic sheet is as follows:

as shown in fig. 4, the welding portion 10, the first elastic portion 20, the second elastic portion 30, the first engaging portion 60 (on which the first engaging groove 61 is formed), the second engaging portion 70 (on which the second engaging groove 71 is formed), the contact portion 80, the first protecting portion 40, the second protecting portion 50, the first engaging hook 62 and the second engaging hook 72 are formed in the same horizontal plane by punching and blanking, and then the finished product is obtained by a press bending process.

As shown in fig. 5, the contact portion 80, the first snap hook 62 and the second snap hook 72 may be bent first during the press bending. Then, as shown in fig. 6, the first elastic portion 20 and the second elastic portion 30 are bent in half, so that the first elastic portion 20 and the second elastic portion 30 are both formed into an L-shaped structure. Then as shown in fig. 7 and 8, the first elastic portion 20 and the second elastic portion 30 are respectively bent in a direction perpendicular to the welding portion 10, and the contact portion 80 is made parallel to the welding portion 10, the second engaging portion abuts against the upper side of the first engaging portion 60, the first engaging hook 62 is engaged in the second engaging groove 71, the second engaging hook 72 is engaged in the first engaging groove 61, and the contact portion 80 is supported. Then, as shown in fig. 9 and 10, the first protection portion 40 and the second protection portion 50 are respectively bent so that the first protection portion 40 and the second protection portion 50 are perpendicular to the welding portion 10, the first protection portion 40 and the second protection portion 50 enclose a rectangular accommodation space, and the first elastic portion 20 and the second elastic portion 30 are located in the accommodation space, thereby obtaining the structure shown in fig. 1.

According to the above-mentioned electrically connected elastic sheet, when the contact portion 80 is pressed, the contact portion 80 moves back and forth together with the first elastic portion 20 and the second elastic portion 30 in the accommodating space enclosed by the first protection portion 40 and the second protection portion 50 along the height direction of the contact portion 80, so that the elastic sheet is small in size, small in occupied area, and beneficial to miniaturization of electronic equipment, and because the contact portion 80 moves vertically, the oblique displacement is not easy to occur, and the contact stability is high. This electric connection shell fragment need not to use car finished piece, and accessible stamping forming realizes that production efficiency is high, and manufacturing cost is lower. First joint portion 60, second joint portion 70, first joint hook 62, second joint hook 72 have formed the interlock structure together, support contact portion 80, can guarantee under atress operating condition that first elastic component 20 and second elastic component 30 are in even stress state all the time, are difficult to break away from, provide reliable stable forward power.

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

1. An electric connection elastic sheet is characterized by comprising a flat welding part, wherein a first elastic part and a second elastic part are respectively vertically and upwardly extended from two ends of the welding part along a first direction, a first protection part and a second protection part are respectively vertically and upwardly extended from two ends of the welding part along a second direction, the first direction is perpendicular to the second direction, and the first elastic part and the second elastic part are positioned in an accommodating space defined by the first protection part and the second protection part;

2. The electrical connection elastic sheet according to claim 1, wherein the welding portion, the first elastic portion, the second elastic portion, the first clamping portion, the second clamping portion, the contact portion, the first protection portion, the second protection portion, the first clamping hook and the second clamping hook are formed in the same horizontal plane by punching and blanking, and then a finished product is obtained by a press bending process.

3. The electrical connection elastic sheet according to claim 1, wherein the first elastic portion comprises a first elastic arm, a second elastic arm, a third elastic arm, a fourth elastic arm and a fifth elastic arm which are sequentially connected from bottom to top, the first elastic arm is connected with the welding portion, the fifth elastic arm is connected with the first clamping portion, a joint of the first elastic arm and the second elastic arm, a joint of the second elastic arm and the third elastic arm, a joint of the third elastic arm and the fourth elastic arm, and a joint of the fourth elastic arm and the fifth elastic arm are all provided with a U-shaped transition edge, the first elastic portion is integrally of an L-shaped structure, and the first clamping portion is parallel to the welding portion.

4. The electrical connection elastic piece according to claim 3, wherein the second elastic portion comprises a sixth elastic arm, a seventh elastic arm, an eighth elastic arm, a ninth elastic arm and a tenth elastic arm connected in sequence from bottom to top, the sixth elastic arm is connected with the welding part, the tenth elastic arm is respectively connected with the second clamping part and the contact part, u-shaped transition edges are arranged at the joint of the sixth elastic arm and the seventh elastic arm, the joint of the seventh elastic arm and the eighth elastic arm, the joint of the eighth elastic arm and the ninth elastic arm, and the joint of the ninth elastic arm and the tenth elastic arm, and the second elastic part is of an L-shaped structure as a whole, and the second elastic part and the first elastic part are arranged symmetrically by taking the welding part as a center, and the second clamping part is parallel to the welding part.

5. The electrical connection spring piece according to claim 1, wherein the first protection portion and the second protection portion are both L-shaped structures, and the first protection portion and the second protection portion are symmetrically disposed with the welding portion as a center.

6. The electrical connection elastic piece according to claim 5, wherein the bottom plate of the first protection portion has a first welding leg, the bottom plate of the second protection portion has a second welding leg, and the bottom surfaces of the first and second welding legs are flush with the bottom surface of the welding portion.

7. The electrical connection spring piece according to claim 1, wherein a horizontal welding leg is disposed at a corner of 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.

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.