CN207896294U - Enhance the shrapnel of welding stability - Google Patents

Abstract

A kind of shrapnel of enhancing welding stability, including plate-like base, the tightening part that is formed from described plate-like base one end inverse bending and from the tightening part elastic arm is extended to form obliquely, the bottom surface of the plate-like base is stamped and formed out several slot structures.The application shrapnel can effectively enhance the weld strength between shrapnel and printed circuit board.

Description

Enhance the shrapnel of welding stability

Technical field

The utility model is related to electric connector field, espespecially a kind of shrapnel of enhancing welding stability.

Background technology

Shrapnel is widely used in mobile phone, is used for link block unit, such as microphone, vibrating motor, antenna.With The slimming of smart mobile phone designs, and shrapnel size is also compressed continuously, and shrapnel generally comprises plate-like base, from the plate-like base The elastic arm etc. that reflexed is formed.The plate-like base is generally welded on printed circuit board, since the size of plate-like base reduces, It is also reduced therewith with the bonding area of printed circuit board, leads to problems such as not prison welding solid.

Utility model content

In consideration of it, it is necessary to provide a kind of shrapnel stablized and be welded on printed circuit board,.

In order to solve the above technical problems, this application provides a kind of shrapnel of enhancing welding stability, including plate-like base, Elastic arm is extended to form obliquely from the tightening part of described plate-like base one end inverse bending formation and from the tightening part, it is described The bottom surface of plate-like base is stamped and formed out several slot structures for accommodating scolding tin.

Preferably, the front end of the plate-like base forms arc notch, and slot structure is distributed in the arc notch periphery, institute Slot structure is stated to be connected to the arc notch.

Preferably, the plate-like base both lateral sides are formed with curved surface, and the slot structure outer end being formed on the curved surface is opened Mouth is in communication with the outside.

Preferably, the slot structure includes at least any one of square groove, circular trough, irregular slot structure.

Preferably, the elastic arm include from the end of the tightening part with the plate-like base is relatively parallel extends to form Horizontal part, the inclined arm that is extended to form obliquely from the horizontal part end and the contact for being formed in the inclined arm top Portion.

Preferably, the shrapnel further includes the branch for continuing to extend to form towards the plate-like base from the elastic arm ora terminalis Brace and from the plate-like base both lateral sides flap that vertical bending is formed upwards.

Preferably, the support arm include be located at the plate-like base above support end and from the support arm laterally two Side protrudes outward the pre- splenium to be formed.

Preferably, the flap is located at the both lateral sides of the support arm, and offers and accommodate the pre- splenium limit hole.

Preferably, the flap is oblique lower structure to prevent the flap from interfering the bullet adjacent to the tightening part side The pushing of property arm.

Preferably, the limit hole forms inclined surface obliquely adjacent to the tightening part side, when under the elastic arm When being sprung back after pressure, the pre- splenium rises along the inclined surface always.

The application enhances the shrapnel of welding stability by the way that several slot structures are arranged in the bottom surface of the plate-like base, increases The appearance tin ability of plate-like base bottom surface, keeps the welding between plate-like base and printed circuit board more solid and reliable, avoids because of bullet Not prison welding, caducous problem caused by chip size reduces.

Description of the drawings

Attached drawing described herein is used for providing further understanding of the present application, constitutes part of this application, this Shen Illustrative embodiments and their description please do not constitute the improper restriction to the application for explaining the application.

Fig. 1 is the stereogram for the shrapnel that the application enhances welding stability；

Fig. 2 is the stereogram for another angle of shrapnel that the application enhances welding stability.

Specific implementation mode

To keep 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 the every other embodiment 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 shrapnel that the application enhances welding stability includes plate-like base 10, from the plate Tightening part 20 that 10 one end inverse bending of base portion is formed, continue from 20 ora terminalis of the tightening part elastic arm extended to form 30, from 30 ora terminalis of the elastic arm towards the plate-like base 10 continue the support arm extended to form 40 and from the plate-like base 10 it is horizontal To the both sides flap 50 that vertical bending is formed upwards.

The elastic arm 30 includes extending in parallel the level to be formed from 20 end of the tightening part and the plate-like base 10 Portion 31, the inclined arm 32 extended to form obliquely from 31 end of the horizontal part and the contact for being formed in 32 top of the inclined arm Portion 33.The support arm 40 is extended to form from 33 downward bending of the contact site and towards 10 direction of the plate-like base, described Support arm 40 includes being located at the support end 41 of 10 top of the plate-like base and being protruded outward from 40 both lateral sides of the support arm The pre- splenium 42 formed.

The flap 50 is located at the both lateral sides of the support arm 40, and offers and accommodate 42 limit hole of pre- splenium 51, the flap 50 adjacent to 20 side of the tightening part be oblique lower structure to prevent the flap 50 from interfering the elastic arm 30 Pushing.Meanwhile the limit hole 51 forms inclined surface 54 obliquely adjacent to 20 side of the tightening part, when the elastic arm During being sprung back after 30 pushings, the pre- splenium 42 rises along the inclined surface 54 always, ensures that the elastic arm 30 will not It generates excessive screen resilience and damages.

The bottom surface of the plate-like base 10 forms welding surface, and the underrun of the plate-like base 10 is stamped and formed out several slots The front end of structure 11, the plate-like base 10 forms arc notch 12, and slot structure 11, institute is distributed in 12 periphery of the arc notch Slot structure 11 is stated to be connected to the arc notch 12.10 both lateral sides of the plate-like base are formed with curved surface 13, are formed in described 11 outer end opening of slot structure on curved surface 13 is in communication with the outside.The slot structure 11 is square groove or circular trough or irregular slot knot Structure.

The application enhances the shrapnel of welding stability by the way that several slot structures 11 are arranged in the bottom surface of the plate-like base 10, The appearance tin ability for increasing by 10 bottom surface of plate-like base, keeps the welding between plate-like base 10 and printed circuit board more solid and reliable, Avoid not prison welding, caducous problem caused by shrapnel size reduces.

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

Above is only an example of the present application, it is not intended to limit this application.For those skilled in the art For, the application can have various modifications and variations.It is all within spirit herein and principle made by any modification, equivalent Replace, improve etc., it should be included within the scope of claims hereof.

Claims (9)

1. it is a kind of enhancing welding stability shrapnel, including plate-like base, from described plate-like base one end inverse bending formed Tightening part and elastic arm is extended to form obliquely from the tightening part, which is characterized in that the bottom surface punching press shape of the plate-like base At several slot structures for accommodating scolding tin, the front end of the plate-like base forms arc notch, and the arc notch periphery is distributed with Slot structure, the slot structure are connected to the arc notch.

2. the shrapnel of enhancing welding stability as described in claim 1, which is characterized in that the plate-like base both lateral sides shape At there is curved surface, the slot structure outer end opening being formed on the curved surface is in communication with the outside.

3. the shrapnel of enhancing welding stability as claimed in claim 2, which is characterized in that the slot structure includes at least rectangular Any one of slot, circular trough, irregular slot structure.

4. the shrapnel of enhancing welding stability as described in claim 1, which is characterized in that the elastic arm includes from the drawing The end horizontal part extended to form relatively parallel with the plate-like base in tight portion extends shape obliquely from the horizontal part end At inclined arm and be formed in the contact site on the inclined arm top.

5. the shrapnel of enhancing welding stability as described in claim 1 or 4, which is characterized in that the shrapnel further includes from institute State elastic arm ora terminalis towards the plate-like base continue the support arm extended to form and from the plate-like base both lateral sides it is upward The flap that vertical bending is formed.

6. the shrapnel of enhancing welding stability as claimed in claim 5, which is characterized in that the support arm includes positioned at described Support end above plate-like base and protrude outward the pre- splenium to be formed from the support arm both lateral sides.

7. the shrapnel of enhancing welding stability as claimed in claim 6, which is characterized in that the flap is located at the support arm Both lateral sides, and offer and accommodate the pre- splenium limit hole.

8. the shrapnel of enhancing welding stability as claimed in claim 7, which is characterized in that the flap is adjacent to the tightening part Side is oblique lower structure to prevent the flap from interfering the pushing of the elastic arm.

9. the shrapnel of enhancing welding stability as claimed in claim 8, which is characterized in that the limit hole is adjacent to the tension Portion side forms inclined surface obliquely, and when being sprung back after elastic arm pushing, the pre- splenium is always along the inclined surface Rise.