CN207398373U

CN207398373U - Ultrathin shrapnel

Info

Publication number: CN207398373U
Application number: CN201721380383.5U
Authority: CN
Inventors: 梁申程
Original assignee: Shenzhen Everwin Precision Technology Co Ltd
Current assignee: Shenzhen Everwin Precision Technology Co Ltd
Priority date: 2017-10-24
Filing date: 2017-10-24
Publication date: 2018-05-22
Anticipated expiration: 2027-10-24

Abstract

A kind of ultrathin type shrapnel, including plate-like base, the tightening part formed from described plate-like base one end inverse bending, elastic arm is extended to form obliquely from the tightening part, it is formed at the contact site of the elastic arm upper end, the support arm extended to form from the contact site inverse bending towards plate-like base inclination, the support arm includes the support end that contacts and can be moved in the plate-like base, the support arm is being stamped and formed out the convex closure protruded towards the plate-like base at the support end position, the support end contacts one side with the plate-like base and is stamped and formed out smooth surface, when the elastic arm pushes in running order completely, the support end does not contact the plate-like base, the support arm is abutted by the convex closure with the plate-like base.The application ultrathin type shrapnel elastic property is stablized.

Description

Ultrathin shrapnel

Technical field

The present invention relates to electric connector field, espespecially a kind of ultrathin shrapnel.

Background technology

Shrapnel is widely used in mobile phone, is used for transmission aerial signal etc..In general, the shrapnel include plate-like base, The elastic arm that is extended to form from the plate-like base inverse bending extends shape from the elastic arm end towards the plate-like base Into support arm and be located at from the upward bending of plate-like base both lateral sides the flaps of the support arm both sides.On the flap Equipped with limit hole, the both lateral sides of the support arm extend laterally the pre- splenium for being formed with and being limited in the limit hole.

The end of the support arm forms flexure plane to be contacted when elastic arm is pushed with the plate-like base by reflexed And slide, and the supporting base end portion of the plate-like base is formed away from the end of the support arm, when ultrathin shrapnel designs, After being pushed due to the elastic arm, the elastic arm and the distance between the plate-like base are very short, cause the supporting base end portion Interference is generated between meeting and the elastic arm, and the supporting base end portion interferes the bending of the horizontal part and rake of the elastic arm At position, cause stress concentration at the bending position of the elastic arm, in turn result in the elastic arm elastic force forfeiture or Fracture.

The content of the invention

In consideration of it, it is necessary to provide a kind of ultrathin shrapnel, make the supporting base end portion of support arm in shrapnel working condition not Interference can be generated with elastic arm.

In order to solve the above technical problems, this application provides a kind of ultrathin shrapnel, including plate-like base, from the plate The tightening part of base portion one end inverse bending formation extends to form elastic arm from the tightening part, is formed at the elasticity obliquely The contact site of arm upper end, the support arm extended to form from the contact site inverse bending towards plate-like base inclination, it is described Support arm includes support end, and the support arm is stamped and formed out protruding towards the plate-like base at the support end position Convex closure, the support end contacts one side with the plate-like base and is stamped and formed out smooth surface, at elastic arm pushing completely When working condition, the support end does not contact the plate-like base, and the support arm passes through the convex closure and the plate base Portion abuts.

Preferably, the surface of the support end towards the elastic arm one side is uniform planar.

Preferably, the support arm protrudes bending towards the elastic arm direction away from the support end one side and forms bending Portion.

Preferably, the width of the bending section is less than the width at remaining position of support arm to reduce the bending section Intensity.

Preferably, the thickness of the bending section is less than the thickness at remaining position of support arm to reduce the bending section Intensity.

Preferably, when the elastic arm pushes in running order, the bending section generates flexible deformation.

Preferably, the elastic arm includes extending in parallel the level to be formed from the tightening part end and the plate-like base Portion, the inclined arm extended to form obliquely from the horizontal part end and it is formed at the horizontal part and the inclined arm junction Bending part, the contact site is in the upper end of the inclined arm.

Preferably, after the elastic arm pushes completely, the bending part is in vacant state, will not contact the support End.

Preferably, the ultrathin shrapnel, which is further included from what the upward bending of the plate-like base both lateral sides was formed, is located at institute State the flap of support arm both lateral sides.

Preferably, the both lateral sides of the support arm, which protrude outward, is formed with pre- splenium, and the flap, which offers, accommodates institute State the limit hole of pre- splenium.

The application ultrathin type shrapnel in the support arm adjacent to described by supporting at end position towards the plate-like base Convex closure is stamped and formed out, when avoiding working condition, the support end is prominent towards the elastic arm bending and interferes the elastic arm, Meanwhile the support arm forms bending section away from the support end one side towards elastic arm direction bending, in the elasticity When arm pushes, the bending section deforms upon the stress at dispersing contact portion and support arm junction R angles to protect the elastic arm.

Description of the drawings

Attached drawing described herein is used for providing further understanding of the present application, forms the part of the application, this Shen Schematic description and description please does not form the improper restriction to the application for explaining the application.

Fig. 1 is the stereogram of the application ultrathin type shrapnel；

Fig. 2 is the stereogram of another angle of the application ultrathin type shrapnel；

Fig. 3 is the sectional view along A-A dotted lines shown in Fig. 1.

Specific embodiment

To make the purpose, technical scheme and advantage of the application clearer, below in conjunction with the application specific embodiment and Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing Go out all other embodiments obtained under the premise of creative work, shall fall in the protection scope of this application.

It please refers to Fig.1, shown in Fig. 2, the application ultrathin type shrapnel includes plate-like base 10, from described 10 one end of plate-like base Tightening part 20 that inverse bending is formed continues from 20 ora terminalis of tightening part the elastic arm extended to form 30, from the elastic arm 30 ora terminalis continue the support arm extended to form 40 and upward from 10 both lateral sides of plate-like base towards the plate-like base 10 The flap 50 that vertical bending is formed.

The elastic arm 30 includes extending in parallel the level to be formed from 20 end of tightening part and the plate-like base 10 Portion 31, the inclined arm 32 extended to form obliquely from 31 end of horizontal part, the contact for being formed at 32 top of inclined arm Portion 33 and the bending part 34 for being formed at the horizontal part 31 and 32 junction of inclined arm.The support arm 40 is from the contact 33 downward bending of portion is simultaneously extended to form towards 10 direction of plate-like base, and the support arm 40 includes being located at the plate-like base 10 top support end 41 and protrude outward the pre- splenium 42 to be formed from 40 both lateral sides of support arm.The support end 41 Ora terminalis is stamped and formed out smooth surface 44 close to 10 one side of plate-like base, and the support arm 40 is close to 41 position of support end Place is stamped and formed out the convex closure 43 protruded towards the plate-like base 10, and the support arm 40 is away from 41 one side of support end towards institute It states 30 direction bending of elastic arm and forms bending section 43.The width of the bending section 43 be less than the support arm 40 overall width with It is described to reduce less than the thickness of the support arm 40 to reduce the intensity of the bending section 43 or the thickness of the bending section 43 The intensity of bending section 43.

The support end 41 need not be towards the 30 one side bending of elastic arm, i.e., described support end 41 is towards the elasticity The surface of 30 one side of arm is uniform planar, and there is no the projective structures towards 30 direction of elastic arm.

The flap 50 is located at the both lateral sides of the support arm 40, and offers the limit hole for accommodating the pre- splenium 42 51。

When the elastic arm 30 pushes, the support end 41 of the support arm 40 is in the plate-like base 10 described in The movement of tightening part 20 is until the convex closure 43 contacts the plate-like base 10, at this point, shape occurs for intensity and weaker bending section 43 The stress for becoming to disperse the contact site 33 and 40 junction R angles of support arm also avoids the branch to avoid damage R angles Brace 40 and 10 contact surface of plate-like base are excessive and the problem of influence elastic force.

The application ultrathin type shrapnel by the support arm 40 at 41 position of support end towards the plate Base portion 10 is stamped and formed out convex closure 43, and when avoiding working condition, the support end 41 is prominent towards the elastic arm bending and interferes The elastic arm, meanwhile, the support arm 40 is formed away from 41 one side of support end towards the 30 direction bending of elastic arm Bending section 43, when the elastic arm 30 pushes, the bending section 43 deforms upon dispersing contact portion 33 and is combined with support arm 40 Locate the stress at R angles to protect the elastic arm 30.

It should also be noted that, term " comprising ", "comprising" or its any other variant are intended to nonexcludability Comprising so that process, method, commodity or equipment including a series of elements are not only including those elements, but also wrap Include other elements that are not explicitly listed or further include for this process, method, commodity or equipment it is intrinsic will Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that wanted including described Also there are other identical elements in the process of element, method, commodity or equipment.

The foregoing is merely embodiments herein, are not limited to the application.For those skilled in the art For, the application can have various modifications and variations.All any modifications made within spirit herein and principle are equal Replace, improve etc., it should be included within the scope of claims hereof.

Claims

1. a kind of ultrathin type shrapnel, the tightening part that is formed including plate-like base, from described plate-like base one end inverse bending, from institute State elastic arm that tightening part extends to form obliquely, the contact site, reversed from the contact site for being formed at the elastic arm upper end The support arm that bending is extended to form towards plate-like base inclination, which is characterized in that the support arm includes support end, described Support arm is being stamped and formed out the convex closure protruded towards the plate-like base, the support end and institute at the support end position It states plate-like base contact one side and is stamped and formed out smooth surface, when the elastic arm pushes in running order completely, the support End does not contact the plate-like base, and the support arm is abutted by the convex closure with the plate-like base.

2. ultrathin type shrapnel as described in claim 1, which is characterized in that the support end is towards the table of the elastic arm one side Face is uniform planar.

3. ultrathin type shrapnel as described in claim 1, which is characterized in that the support arm is away from support end one side direction The elastic arm direction protrudes bending and forms bending section.

4. ultrathin type shrapnel as claimed in claim 3, which is characterized in that the width of the bending section be less than the support arm its The width of remaining part position is to reduce the intensity of the bending section.

5. ultrathin type shrapnel as claimed in claim 3, which is characterized in that the thickness of the bending section be less than the support arm its The thickness of remaining part position is to reduce the intensity of the bending section.

6. ultrathin shrapnel as described in claim 4 or 5, which is characterized in that when the elastic arm pushes in running order, The bending section generates flexible deformation.

7. ultrathin type shrapnel as described in claim 1, which is characterized in that the elastic arm include from the tightening part end with The plate-like base extends in parallel the horizontal part to be formed, the inclined arm extended to form obliquely from the horizontal part end and formation Bending part in the horizontal part Yu the inclined arm junction, the contact site is in the upper end of the inclined arm.

8. ultrathin type shrapnel as claimed in claim 7, which is characterized in that after the elastic arm pushes completely, the bending part In vacant state, the support end will not be contacted.

9. ultrathin type shrapnel as described in claim 1, which is characterized in that the ultrathin type shrapnel is further included from the plate base The flap positioned at the support arm both lateral sides that both lateral sides upward bending in portion's is formed.

10. ultrathin type shrapnel as claimed in claim 9, which is characterized in that the both lateral sides of the support arm protrude outward shape Into there is pre- splenium, the flap offers the limit hole for accommodating the pre- splenium.