CN211700598U

CN211700598U - Metal shrapnel of antenna

Info

Publication number: CN211700598U
Application number: CN202020754869.6U
Authority: CN
Inventors: 韩大保
Original assignee: Jiangsu Qinggao Precision Industrial Parts Co Ltd
Current assignee: Jiangsu Qinggao Precision Industrial Parts Co Ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2020-10-16
Anticipated expiration: 2030-05-09

Abstract

The utility model provides a metal shrapnel of antenna, including integrated into one piece's base, first arm lock and second arm lock, the clamp line of first arm lock extends along Z axle direction, the clamp line of second arm lock extends along X axle direction, first arm lock and the second arm lock are formed by upward bending of the base, first arm lock with the second arm lock can be in the tight antenna circuit board of XZ axle coordinate plane; the utility model discloses a portable electronic device, including base, connecting portion, at least two pairs of first arm lock are connected to both sides around the base are equipped with the connecting portion of upwards buckling respectively, at least two pairs of first arm lock are connected to the top of connecting portion, and adjacent two pairs of first arm lock set up along X axle direction interval, the second arm lock is also connected connecting portion just are located the below of two pairs of first arm lock. The utility model discloses can solve metal shrapnel unbalanced and the not enough problem of clamp force to antenna circuit board's clamp force.

Description

Metal shrapnel of antenna

Technical Field

The utility model belongs to the technical field of the metal parts processing, concretely relates to metal shrapnel of antenna.

Background

The antenna spring piece is a commonly used precision hardware piece, is used in an electronic equipment connector, has electric conductivity, can resist interference electromagnetic wave overflow, and has elasticity and shock absorption functions. The antenna spring is a non-standard metal product, and the structure of the spring is determined by the specific structures of the circuit board and the antenna bracket.

The existing part of metal elastic sheets are provided with two opposite elastic clamping arms for clamping a circuit board, the two elastic clamping arms are respectively formed by upwards bending a base, the elastic sheets can only clamp the circuit board from one direction, the clamping force is unbalanced, the clamping strength is not high, and after repeated plugging and unplugging tests, the elastic sheets cannot effectively clamp the circuit board, so that the reliability of the electric connection between the elastic sheets and the circuit board is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a metal shrapnel of antenna to solve metal shrapnel and to the unbalanced and not enough problem of clamp force of antenna circuit board's clamp force.

The utility model provides a following technical scheme:

a metal elastic sheet of an antenna comprises a base, a first clamping arm and a second clamping arm which are integrally formed, wherein a clamping line of the first clamping arm extends along the Z-axis direction, a clamping line of the second clamping arm extends along the X-axis direction, the first clamping arm and the second clamping arm are formed by bending the base upwards, and the first clamping arm and the second clamping arm can clamp an antenna circuit board in an XZ-axis coordinate plane; the utility model discloses a portable electronic device, including base, connecting portion, at least two pairs of first arm lock are connected to both sides around the base are equipped with the connecting portion of upwards buckling respectively, at least two pairs of first arm lock are connected to the top of connecting portion, and adjacent two pairs of first arm lock set up along X axle direction interval, the second arm lock is also connected connecting portion just are located the below of two pairs of first arm lock.

Preferably, an avoidance space is reserved between the connecting part and the first clamping arm, and the second clamping arm is located in the avoidance space.

Preferably, the avoiding space is in an inverted trapezoidal shape, and the second clamping arm is located at the central position of the avoiding space.

Preferably, the two pairs of first clamping arms above the connecting part are arranged oppositely.

Preferably, the first clamping arm comprises a supporting portion and a first clamping portion, the supporting portion is connected to the top of the connecting portion along the Z-axis direction, the root of the first clamping portion is connected to the supporting portion, and the two first clamping portions of each pair of first clamping arms are oppositely bent along the Y-axis direction to be close to each other.

Preferably, the second clamping arm includes a second clamping portion, and the second clamping portion is also folded toward each other along the Y-axis direction to be closed.

The utility model has the advantages that: the utility model forms the first clamping arm and the second clamping arm on the base, the clamping line of the first clamping arm extends along the Z-axis direction, so the clamping force of the first clamping arm to the antenna circuit board is mainly distributed on the Z-axis direction of the antenna circuit board; the clamping line of second arm lock extends along the X axle direction, and consequently its clamp force to antenna circuit board mainly distributes in the X axle direction of antenna circuit board, so first arm lock and second arm lock can be simultaneously at XZ plane internal clamping antenna circuit board, and the clamping intensity to antenna circuit board is high, and the clamp force is more balanced, through repeated plug test back, and metal shrapnel still can press from both sides antenna circuit board reliably.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic sectional view of a portion a-a in fig. 1.

Labeled as: 1. a base; 2. a first clamp arm; 3. a second clamp arm; 4. a connecting portion; 5. avoiding a space; 6. a support portion; 7. a first clamping portion; 8. a second clamping portion; 9. an antenna circuit board.

Detailed Description

The present embodiment provides a metal dome of an antenna, as shown in fig. 1 to 3, including a base 1, a first clip arm 2, and a second clip arm 3, which are integrally formed, wherein a clamping line of the first clip arm 2 extends along a Z-axis direction; the tight line of clamp of second arm lock 3 extends along the X axle direction, and first arm lock 2 and second arm lock 3 form by base 1 upwards buckling to first arm lock 2 and second arm lock 3 can be simultaneously in the tight antenna circuit board 9 of XZ plane clamp, because first arm lock 2 presss from both sides tight antenna circuit board from the direction of difference respectively with second arm lock 3, make metal shrapnel's clamp force distribute more balancedly, and the clamping effect is more reliable.

Referring to fig. 1, the front side and the rear side of the base 1 are respectively provided with a connecting portion 4 bent upward, two pairs of first clamping arms 2 are connected above the connecting portion 4, the two pairs of first clamping arms 2 are arranged at intervals along the X-axis direction, and the free ends of the two pairs of first clamping arms 2 are arranged in opposite directions. An avoidance space 5 is reserved between the connecting portion 4 and the first clamping arms 2 in the Z-axis direction, and the second clamping arms 3 are also connected with the connecting portion 4 and are located in the avoidance space 5 below the two pairs of first clamping arms 2. The structure ensures that the clamping lines of the first clamping arms 2 stably clamp the left side and the right side of the antenna circuit board 9, the clamping lines of the second clamping arms 3 can more firmly clamp the lower end of the antenna circuit board 9, the clamping lines can pertinently clamp different parts of the circuit board, and the clamping force is more uniform. In addition, the second clamping arm 3 is bent inwards to be formed in the avoiding space 5, waste materials generated by punching the avoiding space 5 are reduced, and therefore metal materials are utilized more efficiently.

Dodge space 5 and be the trapezoidal shape of handstand, utilize two trapezoidal hypotenuses can improve the joint strength of connecting portion and first arm lock 2, prevent that first arm lock 2 from warping at the clamping process, keeping the tight intensity of clamp of first arm lock. The second clip arm 3 is located at the center of the avoidance space 5.

Specifically, referring to fig. 1 and 2, the first clamping arm 2 includes a support portion 6 and a first clamping portion 7, the support portion 6 is connected to the top of the connecting portion 4 along the Z-axis direction, the root of the first clamping portion 7 is connected to the support portion 6, and the two first clamping portions 7 of each pair of first clamping arms 2 are bent toward each other along the Y-axis direction to be close to each other. Correspondingly, the second clamping arm 3 comprises a second clamping part 8, and the second clamping parts 8 are also bent towards each other along the Y-axis direction to be closed. Moreover, the free ends of the first clamping part 7 and the second clamping part 8 are folded towards one side far away from the antenna circuit board 9, so that the antenna circuit board 9 can be conveniently and quickly inserted, and the antenna circuit board 9 can be protected from being scratched and stripped in the clamping process.

The use method of the metal elastic sheet comprises the following steps: the antenna circuit board 9 is inserted downwards between the first clamping arms 2 along the Z-axis direction, so that the left side and the right side of the antenna circuit board are respectively clamped by the two pairs of first clamping arms 2, and then the antenna circuit board 9 is pushed downwards continuously until the lower end of the antenna circuit board is inserted between the second clamping arms 3, so that the left side and the right side and the lower end of the antenna circuit board 9 are simultaneously clamped. After 3000 times of plugging and unplugging tests, the antenna circuit board 9 is in good electrical contact with the elastic sheet, and the antenna circuit board 9 can be reliably clamped by the elastic sheet without shaking.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The metal elastic sheet of the antenna is characterized by comprising a base, a first clamping arm and a second clamping arm which are integrally formed, wherein a clamping line of the first clamping arm extends along the Z-axis direction, a clamping line of the second clamping arm extends along the X-axis direction, the first clamping arm and the second clamping arm are formed by bending the base upwards, and the first clamping arm and the second clamping arm can clamp an antenna circuit board in an XZ-axis coordinate plane; the utility model discloses a portable electronic device, including base, connecting portion, at least two pairs of first arm lock are connected to both sides around the base are equipped with the connecting portion of upwards buckling respectively, at least two pairs of first arm lock are connected to the top of connecting portion, and adjacent two pairs of first arm lock set up along X axle direction interval, the second arm lock is also connected connecting portion just are located the below of two pairs of first arm lock.

2. The antenna metal dome according to claim 1, wherein an avoidance space is left between the connecting portion and the first clip arm, and the second clip arm is located in the avoidance space.

3. The antenna metal dome according to claim 2, wherein the avoiding space has an inverted trapezoidal shape, and the second clip arm is located at a central position of the avoiding space.

4. The antenna metal dome according to claim 1, wherein the two pairs of first clip arms are disposed opposite to each other above the connecting portion.

5. The antenna metal dome according to claim 1, wherein the first clip arms include a support portion and a first clamping portion, the support portion is connected to the top of the connecting portion along the Z-axis direction, the root portion of the first clamping portion is connected to the support portion, and the two first clamping portions of each pair of first clip arms are bent toward each other along the Y-axis direction to be close to each other.

6. The antenna metal dome according to claim 1, wherein the second clip arm includes a second clip portion, and the second clip portion is folded toward each other along the Y-axis direction to be closed.