CN213026537U - High normal force shell fragment - Google Patents
High normal force shell fragment Download PDFInfo
- Publication number
- CN213026537U CN213026537U CN202021626683.9U CN202021626683U CN213026537U CN 213026537 U CN213026537 U CN 213026537U CN 202021626683 U CN202021626683 U CN 202021626683U CN 213026537 U CN213026537 U CN 213026537U
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- China
- Prior art keywords
- elastic arm
- positive force
- high positive
- contact
- welding
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Abstract
The utility model discloses a high normal force shell fragment, include weld part, elastic arm and locate the elastic arm is kept away from the contact site of weld part one end, the relative both ends of weld part are connected with respectively the elastic arm, two the elastic arm mirror image sets up, the elastic arm includes a plurality of U type sections, adjacent two the U type section links to each other and adjacent two the opening orientation of U type section is opposite. The high positive force spring plate has the advantages of simple and novel structure, easy processing and low manufacturing cost, and more importantly, the high positive force spring plate can provide larger positive force; in addition, the high positive force elastic sheet is of a two-point contact structure, and the contact resistance can be effectively reduced by the conductive formed loop, so that reliable electrical performance and mechanical performance are provided.
Description
Technical Field
The utility model relates to a shell fragment connector technical field especially relates to a high forward force shell fragment.
Background
The existing elastic sheet design generally adopts a C-shaped structure or an O-shaped structure, but the C-shaped structure elastic sheet or the O-shaped structure elastic sheet has the problem of low forward force. In addition, the height of the existing C-shaped structure elastic sheet and O-shaped structure elastic sheet is low, so that the existing C-shaped structure elastic sheet and O-shaped structure elastic sheet are not suitable for high-height application scenes.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: a high positive force spring is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a high normal force shell fragment, includes welding part, elastic arm and locates the elastic arm is kept away from the contact site of welding part one end, the relative both ends of welding part are connected with respectively elastic arm, two the elastic arm mirror image sets up, elastic arm includes a plurality of U type sections, adjacent two the U type section links to each other and adjacent two the opening orientation of U type section is opposite.
Furthermore, the bottom surface of the welding part is provided with a hole site.
Furthermore, the contact part includes contact arc portion and with the inclined plane arm of force that the elastic arm links to each other, the inclined plane arm of force is kept away from the one end of elastic arm is towards being close to the direction bending type of weld part forms contact arc portion.
Further, the width of the elastic arm is gradually narrowed from an end near the welding portion toward an end near the contact portion.
Furthermore, the U-shaped section connected with the contact part is provided with an absorbing surface.
Further, the suction surface is disposed parallel to the welding portion.
Further, the two contact portions are disposed close to each other.
Further, the elastic arm is located right above the welding part.
The beneficial effects of the utility model reside in that: the high positive force spring plate has the advantages of simple and novel structure, easy processing and low manufacturing cost, and more importantly, the high positive force spring plate can provide larger positive force; in addition, the high positive force elastic sheet is of a two-point contact structure, and the contact resistance can be effectively reduced by the conductive formed loop, so that reliable electrical performance and mechanical performance are provided.
Drawings
Fig. 1 is a schematic view of a high positive force spring plate, an external member, and an electronic component according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a high positive force spring plate according to a first embodiment of the present invention;
fig. 3 is a bottom view of the high positive force spring plate according to the first embodiment of the present invention.
Description of reference numerals:
1. welding the part; 11. hole site;
2. a resilient arm; 21. a U-shaped section; 22. suction surface;
3. a contact portion; 31. a contact arc portion; 32. a bevel moment arm;
4. an outer member;
5. an electronic component.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 3, a high normal force spring plate includes a welding portion 1, elastic arms 2, and a contact portion 3 disposed at an end of the elastic arm 2 away from the welding portion 1, where two opposite ends of the welding portion 1 are respectively connected with the elastic arms 2, the two elastic arms 2 are arranged in a mirror image manner, the elastic arm 2 includes a plurality of U-shaped sections 21, two adjacent U-shaped sections 21 are connected, and the openings of the two adjacent U-shaped sections 21 face opposite directions.
From the above description, the beneficial effects of the present invention are: the high positive force spring plate has the advantages of simple and novel structure, easy processing and low manufacturing cost, and more importantly, the high positive force spring plate can provide larger positive force; in addition, the high positive force elastic sheet is of a two-point contact structure, and the contact resistance can be effectively reduced by the conductive formed loop, so that reliable electrical performance and mechanical performance are provided.
Further, the bottom surface of the welding part 1 is provided with a hole 11.
It can be known from the above description that the through-hole arrangement can prevent the high forward force shell fragment from taking place rosin joint, hourglass welding phenomenon when external member 4 (like the PCB board) welds, and simultaneously, the welding tin cream can be melted into inside weld part 1, has improved the welding power between high forward force shell fragment and the external member 4 effectively.
Further, the contact part 3 comprises a contact arc part 31 and an inclined plane force arm 32 connected with the elastic arm 2, wherein one end of the inclined plane force arm 32 far away from the elastic arm 2 is bent towards the direction close to the welding part 1 to form the contact arc part 31.
From the above description, the contact portion 3 has a simple structure, is easy to process, and is beneficial to controlling the manufacturing cost of the high positive force spring piece.
Further, the width of the elastic arm 2 is gradually narrowed from the end near the welding portion 1 toward the end near the contact portion 3.
Further, a suction surface 22 is provided on the U-shaped section 21 connected to the contact portion 3.
Further, the suction surface 22 is disposed parallel to the welded portion 1.
As is apparent from the above description, the suction surface 22 is provided so that the high positive force spring plate can be solder-assembled with the external member 4 by the SMD process.
Further, two of the contact portions 3 are disposed close to each other.
Further, the elastic arm 2 is located right above the welding portion 1.
The above description shows that the high positive force elastic piece is high in height and is particularly suitable for application scenes with large height.
Example one
Referring to fig. 1 to fig. 3, a first embodiment of the present invention is: please refer to fig. 1 and fig. 2, a high normal force spring plate includes a welding portion 1, an elastic arm 2 and a contact portion 3 disposed at an end of the elastic arm 2 far from the welding portion 1, opposite ends of the welding portion 1 are respectively connected with the elastic arms 2, the elastic arm 2 is located right above the welding portion 1, the two elastic arms 2 are arranged in a mirror image manner, the elastic arm 2 includes a plurality of U-shaped sections 21, the plurality of U-shaped sections 21 in the same elastic arm 2 are stacked up and down, two adjacent U-shaped sections 21 in the same elastic arm 2 are connected and the opening directions of the two adjacent U-shaped sections 21 are opposite, in this embodiment, the opening direction of the U-shaped section 21 is the same as the length direction of the welding portion 1.
As shown in fig. 3, in order to improve the welding force between the welding part 1 and the external member 4 (such as a PCB), a hole 11 is formed in the bottom surface of the welding part 1, and the hole 11 may be a through hole or a blind hole.
As shown in fig. 2, in detail, the contact portion 3 includes a contact arc portion 31 and an inclined force arm 32 connected to the elastic arm 2, and one end of the inclined force arm 32 away from the elastic arm 2 is bent toward a direction close to the welding portion 1 to form the contact arc portion 31.
In this embodiment, the width of the elastic arm 2 is gradually narrowed from the end near the welding portion 1 to the end near the contact portion 3.
As shown in fig. 2, in order to facilitate the assembly and welding of the high positive force spring plate and the external member 4, a suction surface 22 is provided on the U-shaped section 21 connected to the contact portion 3, and the suction surface 22 is provided parallel to the welding portion 1.
In order to allow the high positive force elastic sheet to be in contact with the small-sized electronic component 5, in this embodiment, the two contact portions 3 are close to each other, and in other embodiments, the two contact portions 3 may also be far away from each other.
In summary, the high positive force spring plate provided by the utility model has simple and novel structure, easy processing and low manufacturing cost, and can provide larger positive force; the circuit formed by the conduction can effectively reduce the contact impedance and provide reliable electrical performance and mechanical performance; is particularly suitable for the application occasions with large height.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (8)
1. The utility model provides a high normal force shell fragment, includes welding part, elastic arm and locates the elastic arm is kept away from the contact site of welding part one end, its characterized in that: the relative both ends of welding part are connected with respectively the elastic arm, two the elastic arm mirror image sets up, the elastic arm includes a plurality of U type sections, adjacent two the U type section links to each other and adjacent two the opening orientation of U type section is opposite.
2. The high positive force dome of claim 1, wherein: and hole sites are arranged on the bottom surface of the welding part.
3. The high positive force dome of claim 1, wherein: the contact part comprises a contact arc part and an inclined plane force arm connected with the elastic arm, and one end of the inclined plane force arm, which is far away from the elastic arm, is bent towards the direction close to the welding part to form the contact arc part.
4. The high positive force dome of claim 1, wherein: the width of the elastic arm is gradually narrowed from one end close to the welding part to one end close to the contact part.
5. The high positive force dome of claim 1, wherein: and the U-shaped section connected with the contact part is provided with an absorbing surface.
6. The high positive force dome of claim 5, wherein: the suction surface is disposed parallel to the welding portion.
7. The high positive force dome of claim 1, wherein: the two contact portions are disposed adjacent to each other.
8. The high positive force dome of claim 1, wherein: the elastic arm is located right above the welding part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021626683.9U CN213026537U (en) | 2020-08-05 | 2020-08-05 | High normal force shell fragment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021626683.9U CN213026537U (en) | 2020-08-05 | 2020-08-05 | High normal force shell fragment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213026537U true CN213026537U (en) | 2021-04-20 |
Family
ID=75463671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021626683.9U Active CN213026537U (en) | 2020-08-05 | 2020-08-05 | High normal force shell fragment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213026537U (en) |
-
2020
- 2020-08-05 CN CN202021626683.9U patent/CN213026537U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |