CN2809944Y - Multi-purpose ground spring - Google Patents
Multi-purpose ground spring Download PDFInfo
- Publication number
- CN2809944Y CN2809944Y CN 200520108884 CN200520108884U CN2809944Y CN 2809944 Y CN2809944 Y CN 2809944Y CN 200520108884 CN200520108884 CN 200520108884 CN 200520108884 U CN200520108884 U CN 200520108884U CN 2809944 Y CN2809944 Y CN 2809944Y
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- support portion
- grounding elastic
- elastic part
- angle
- utility
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Abstract
The utility model relates to a multi-purpose earthing elastic plate. A welding part which can be electrically connected with a circuit board is arranged at the bottom of the multi-purpose earthing elastic plate. One end of the welding part is bended and extended upward in an angle, forms a first supporting part with a supporting surface and a bending surface, and is connected with a contacting part. The other end of the contacting part is bended and extended downward in an angle, and forms a second supporting part. A supporting rib is formed on the surface of the supporting surface, which increases the elasticity and the flexibility of the earthing elastic plate. Thus, the welding board is welded on the circuit board, which effectively solves the problems of electromagnetic radiation (EMI) and electrostatic discharge (ESD). The utility model is suitable for the earthing of digital electronic products, such as notebook computers, personal digital assistants (PDA), network dialing and receiving devices, etc. In addition, the utility model can also be used as a conductor holder.
Description
Technical field
The utility model relates to a kind of multipurpose grounding elastic part, the grounding elastic part that particularly a kind of installing and locating contacts for an assembly on a circuit board.
Background technology
The shell fragment that general electron trade is used always is to be bent into the metal material punching press, be welded on the circuit board in mounted on surface (SMT) mode again, the shape of utilizing the material behavior of shell fragment itself and being constituted is to produce certain elastic force, can be electrically connected with circuit board as other assembly, ground connection (Grounding), screening effect (Shielding Effectiveness), dwindle the loop, reduce impedance, make the energy reduction and radiation is reduced, reach and suppress electromagnetic interference (EMI) and radio interference (RFI, Radio FrequencyInterference), and reach static discharge (ESD, Electrostatic Discharge), and meet Electro Magnetic Compatibility (EMC, Electromagnetic Compatibility), the cushioning effect in the time of even also can playing contact.
See also shown in Figure 5, be known grounding elastic part three-dimensional appearance schematic diagram, it is to utilize the metal lamellar body one bending of a vertical bar and become grounding elastic part 10, this grounding elastic part 10 comprises a weld part 11, one in succession in the elastic portion 12 of weld part 11, one in succession in elastic portion 12 and the contact site 13 relative in the same way with weld part, this contact site 13 extends to form the fastening part 14 and the limiting section 15 that can limit mutually separately with weld part 11, uses preventing that the two breaks away from default activated position because of improper external force.
Yet the manufacture process of above-mentioned shell fragment 10 must make fastening part 14 be equipped in the chute of limiting section 15, just can reach its due effect, and its manufacture process is complicated; And, be subjected to fastening part 14 and limiting section 15 between hold, cause the contact site 13 can be limited to the compression ratio that presses down, if when forcing in contact site 13 excessively downwards, the elasticity deficiency of shell fragment itself then, it may produce and be out of shape and can't return to the original form.When in case shell fragment, can't be replied its original shape because of the elasticity deficiency of self, just can't reach multiple spot and contact with metal shell, then invalid to suppressing electromagnetic interference, the shell fragment that need more renew, and then form the puzzlement that man-hour and cost increase.
In addition, known printed circuit board (PCB) if need carry out thereon electric wire (as signal line) fixedly the time, also must add extra tension disk.Therefore, how to provide a kind of multiduty grounding elastic part, it has the flexibility of high compression rate simultaneously, the elasticity that also possesses height, can smoothly, promptly reply its original shape after making shell fragment stressed, and shell fragment itself can then be the main target of the utility model again as the use of tension disk.
Summary of the invention
The purpose of this utility model is providing a kind of multipurpose grounding elastic part, and the toughness (or pliability) that it strengthens shell fragment makes shell fragment have high compression rate simultaneously, can keep elasticity again.
A time purpose of the present utility model is providing a kind of multipurpose grounding elastic part, and it is that part with shell fragment hollows out, and makes and can save material cost.
Another purpose of the present utility model is providing a kind of multipurpose grounding elastic part, and it can be used as the use of tension disk.
Another purpose of the present utility model is providing a kind of multipurpose grounding elastic part, and its grounding elastic part that can be used as small-sized or large substrate uses.
For reaching above-mentioned purpose, but the designed multipurpose grounding elastic part of the utility model can be for being disposed between a printed circuit board (PCB) and a conductive component; Wherein, this shell fragment bottom is provided with a weld part that can be welded in printed circuit board (PCB), and this weld part has a free end, in addition end be an angle upwards bending extend to form one first support portion, and close with a termination of a contact site that can contact for conductive component; The end in addition of this contact site is to be angle bending downwards to extend to form one second support portion; Wherein this first support portion also comprises a supporting surface and a flexure plane that engages with this supporting surface.
Preferred embodiment is, the angle between this first support portion and this weld part is less than 90 degree, and contact site and second support portion between angle also spend less than 90.
Preferred embodiment is that the center of this supporting surface is recessed to form a ribs downwards, to strengthen the toughness (or pliability) of shell fragment, makes shell fragment have high compression rate simultaneously, can keep elasticity again.
Preferred embodiment is, most area of this second support portion is hollowed out, and second support portion is provided with at least one ribs, makes and can tie the material saving cost simultaneously, can keep the toughness of shell fragment again.
Preferred embodiment is, second support portion that this bending is downwards extended has a free end, and this free end is to be an angle up to turn down, and makes this shell fragment form the enclosed area that only has an opening, and this enclosed area then can be used as the use for clamping one electric wire.
Preferred embodiment is, being provided with a welding hole at the free end near weld part, be to lower recess around this welding hole, and free-ended two sides of weld part is downward turnovers, make this shell fragment when being used for large-scale substrate, this welding hole also can be for the attached usefulness of wearing of a screw.
For further understanding the utility model, below lift preferred embodiment, cooperate icon, figure number, concrete constitution content of the present utility model and the effect reached thereof are described in detail as the back:
The full specific embodiment of knot is elaborated to the utility model below:
Description of drawings
Fig. 1 is the multipurpose grounding elastic part three-dimensional appearance schematic diagram of the utility model one embodiment;
Figure 1A is the multipurpose grounding elastic part of the utility model one embodiment, and it can be used for the schematic diagram of clamping one lead as making of a tension disk;
Fig. 2 is the multipurpose grounding elastic part of the utility model one embodiment, is to lower recess around the welding hole wherein, makes this shell fragment can be used for large-scale substrate;
Fig. 3 is the not stressed side schematic view of grounding elastic part of the utility model one embodiment;
Fig. 4 is the side schematic view of the grounding elastic part of the utility model one embodiment after stressed;
Fig. 5 is known grounding elastic part three-dimensional appearance schematic diagram.
Description of reference numerals: multipurpose grounding elastic part 20,30; Weld part 21,31; The free end 211,311 of weld part; Welding hole 212,312; Depressed part 313; Free end two sides 314; Contact site 22,32; Flexure plane 23,33; Supporting surface 24,34; Ribs 241,341; First support portion 25,35; Second support portion 26,36; The restrain end 38 of weld part; Metal assembly 40; The free end 261,361 of second support portion; Ribs 262a, 262b; Enclosed area 27; Printed circuit board (PCB) 50; Lead 60; The engagement angles θ 1 of the weld part and first support portion; The engagement angles θ 2 of supporting surface 24 and flexure plane 23; The engagement angles θ 3 of the contact site 22 and second support portion.
Embodiment
See also Fig. 1, be the schematic perspective view of the multipurpose grounding elastic part 20 of the utility model one embodiment, the material of this grounding elastic part 20 can be stainless steel, beryllium copper, phosphor-copper, tinplate or the good material of other tool conduction.Grounding elastic part 20 mainly includes a weld part 21, a contact site 22, one first support portion 25 and one second support portion 26.
One end of this weld part 21 is a free end 211, near free end 211 locate be provided with a welding hole 212, so shell fragment 20 when welding processing, it is more that welding hole 212 can be eaten tin, and shell fragment 20 is secured on the printed circuit board (PCB) 50.The in addition end of weld part 21 be an angle θ 1 ground upwards bending extend to form this first support portion 25, and close with a termination of this contact site 22.Angle θ 1 between the described weld part 21 and first support portion 25 is preferably less than 90 degree.
This first support portion 25 also comprises a supporting surface 24 and a flexure plane 23 that engages with this supporting surface 24.Engagement angles θ 2 between this supporting surface 24 and flexure plane 23 is preferably an obtuse angle, be beneficial to contact site 22 stressed after, the joint between supporting surface 24 and flexure plane 23 is difficult for producing permanent deformation.The center of supporting surface 24 from top to bottom is to be provided with at least one ribs 241, the formation of this ribs 241 can be in the surface of this supporting surface 24 to lower recess or relief, make this supporting surface 24 be non-even curface, to strengthen the support strength of supporting surface 24, after avoiding this grounding elastic part 20 stressed, the undercapacity of supporting surface 24 and produce permanent deformation or fracture.
The other end of this contact site 22 is to be angle θ 3 bending downwards to extend to form one second support portion 26.Engagement angles θ 3 between the described contact site 22 and second support portion 26 is preferably less than 90 degree.This second support portion 26 has a free end 261, this free end 261 is to be an angle up to turn down, making this grounding elastic part 20 form one, to have almost be the grounding elastic part 20 that is enclosed area 27, and only leave an opening between the free end 261 of second support portion 26 and weld part 21.
See also Figure 1A, 60 enclosed areas 27 that can enter or shift out by the opening between above-mentioned free end 261 and weld part 21 of a lead in shell fragment 20, therefore, this shell fragment 20 also can be further as the use of tension disk.In addition, be enclosed grounding elastic part 20 and can also avoid adding man-hour between several the shell fragment, hooking, being entangled with and interfering between each other, and help carrying out smoothly of the course of processing.
Please consult Fig. 1 again, most area of described second support portion 26 is hollowed out, to save material cost.But its reduced stiffness may be caused in second support portion 26 after hollowing out, therefore two sides at the place of hollowing out can be respectively equipped with a ribs 262a, 262b, and the generation type of this ribs 262a, 262b can be the surface that is not hollowed out in this second support portion 26 to lower recess or relief.The direction that is provided with that ribs 262a, 262b are preferable is for longitudinally being arranged at the surface that this second support portion 26 is not hollowed out, to strengthen the support strength of second support portion 26.
During enforcement, the weld part 21 of grounding elastic part 20 is as the part that is soldered to printed circuit board (PCB) 50.After the welding, unnecessary scolding tin can protrude from the surface of weld part 21 by passing welding hole 212, therefore, when if desire will shift out at the lead 60 in grounding elastic part 20 enclosed areas 27,261 of the free ends of second support portion 26 can be subjected to supporting of this protrusion scolding tin, second support portion 26 can outwards not moved, thus can not cause second support portion 26 and contact site 22 between engagement angles distortion, or the fracture of second support portion 26 and the joint of contact site 22.
Above-mentioned grounding elastic part 20 is to be suitable for use on the more small-sized printed circuit board (PCB).And in another embodiment, see also the grounding elastic part 30 shown in the 2nd figure, can also downward depressed part 313 will be formed around the described welding hole 312, and free end 311 2 sides 314 of weld part 31 are downward turnovers, make this shell fragment 30 form 3 these grounding elastic parts 30 of stable support by two sides 314 of free end 311 and the restrain end 38 of weld part 31.30 of described grounding elastic parts can use on large-scale substrate, and welding hole 31 then can be used as a screw and screws togather the use (figure do not show) of this grounding elastic part 30 on large-scale substrate.
See also the 3rd figure, reach the 4th figure, when the contact site 32 of grounding elastic part 30 contacts with another metal assembly 40, this metal assembly 40 imposes a downward strength G1 to contact site 32, first support portion 35 (comprising supporting surface 34 and flexure plane 33) and second support portion 36 are oppressed and produces deformation.Wherein, 361 of the free ends of second support portion 36 can contact with weld part 31, and inwardly slide.The distance that free end 361 inwardly slides is then looked contact site 32 pressurized degree and is determined, contact site 32 stressed G1 are bigger, and then free end 361 is healed near the restrain end 38 of weld part 31.Therefore, grounding elastic part 30 of the present utility model can have bigger compression ratio.And break away from the contact site 32 of grounding elastic parts 30 when metal assembly 40 after, 30 on this shell fragment by flexure plane 33 and have ribs 341 supporting surface 34 and between the obtuse angle joint reply its original not stressed state.
Therefore, the utlity model has following advantage:
1, grounding elastic part of the present utility model, its flexure plane and the supporting surface with ribs can make shell fragment Break away from stressed after, reply rapidly its original shape, make shell fragment can not produce permanent distortion, therefore this Shell fragment has high compression rate and high resiliency.
2, grounding elastic part of the present utility model, it is the most area that hollows out second support portion, and is provided with At least one ribs makes the expenditure cost that reduces simultaneously material, can make again shell fragment keep its certain elasticity With pliability.
3, this shell fragment forms the enclosed area that only has a little opening, and several shell fragment can be avoided in this enclosed area Hook each other and be entangled with, be beneficial to the smooth of process. In addition, a lead can be via this opening And enter or shift out in this enclosed area, so this shell fragment also can be as the use of a tension disk.
4, be lower to depression around the welding hole of this shell fragment, cooperate the free-ended downward turnover of weld part, with Form 3 these shell fragments of stable support, therefore, this shell fragment also can be used in large-scale substrate, and welding hole Then as the attached use of wearing of a screw.
In sum, according to disclosed above explanation and its accompanying drawing, the utility model really can reach creation The expection purpose provides a kind of multiduty grounding elastic part. The above is concrete reality of the present utility model The technological means of executing example and using can be derived according to the exposure of this paper or instruction and to be derived many changes With correction, if the equivalence of doing according to conception of the present utility model changes, its effect that produces does not exceed yet During connotation that specification and accompanying drawing are contained, all should be considered as within technology category of the present utility model.
Claims (9)
1, a kind of multipurpose grounding elastic part, but for being disposed between a printed circuit board (PCB) and a conductive component, it is characterized in that comprising:
One weld part, this weld part one end is made as free end, and end is upwards bending extension one first support portion of an angle in addition; And
One contact site, this contact site one end is connected with this first support portion, and other end is an angle and bends extension one second support portion downwards.
2,, it is characterized in that this first support portion comprises a supporting surface and a flexure plane that engages with this supporting surface as claims 1 described multipurpose grounding elastic part.
3, as claims 2 described multipurpose grounding elastic parts, it is characterized in that the center of this supporting surface is recessed to form a ribs downwards.
4, as claims 1 described multipurpose grounding elastic part, it is characterized in that second support portion that this bending is downwards extended has a free end, this free end is to be an angle up to turn down.
5,, it is characterized in that this weld part is being provided with a welding hole near free end as claims 1 described multipurpose grounding elastic part.
6, as claims 5 described multipurpose grounding elastic parts, what it is characterized in that this welding hole is to lower recess on every side, and free-ended two sides of weld part are downward turnovers.
7, as claims 1 described multipurpose grounding elastic part, it is characterized in that most area of this second support portion is hollowed out.
8,, it is characterized in that this second support portion is provided with at least one ribs as claims 7 described multipurpose grounding elastic parts.
9, as claims 1 described multipurpose grounding elastic part, it is characterized in that this first support portion and this weld part between angle less than 90 degree, and contact site and second support portion between angle also spend less than 90.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520108884 CN2809944Y (en) | 2005-06-09 | 2005-06-09 | Multi-purpose ground spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520108884 CN2809944Y (en) | 2005-06-09 | 2005-06-09 | Multi-purpose ground spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2809944Y true CN2809944Y (en) | 2006-08-23 |
Family
ID=36926127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520108884 Expired - Fee Related CN2809944Y (en) | 2005-06-09 | 2005-06-09 | Multi-purpose ground spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2809944Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104936404A (en) * | 2015-03-31 | 2015-09-23 | 中航光电科技股份有限公司 | Mounting bracket and chassis equipment using same |
| CN106943159A (en) * | 2017-04-20 | 2017-07-14 | 深圳开立生物医疗科技股份有限公司 | FPC plates, ultrasonic transducer and its manufacture craft and EUS |
| CN110518379A (en) * | 2019-08-29 | 2019-11-29 | 广东杰思通讯股份有限公司 | A kind of wire clamp connector |
-
2005
- 2005-06-09 CN CN 200520108884 patent/CN2809944Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104936404A (en) * | 2015-03-31 | 2015-09-23 | 中航光电科技股份有限公司 | Mounting bracket and chassis equipment using same |
| CN104936404B (en) * | 2015-03-31 | 2018-01-16 | 中航光电科技股份有限公司 | Mounting bracket and the cabinet equipment using the mounting bracket |
| CN106943159A (en) * | 2017-04-20 | 2017-07-14 | 深圳开立生物医疗科技股份有限公司 | FPC plates, ultrasonic transducer and its manufacture craft and EUS |
| CN106943159B (en) * | 2017-04-20 | 2024-05-17 | 深圳开立生物医疗科技股份有限公司 | FPC board, ultrasonic transducer, manufacturing process of FPC board and ultrasonic endoscope |
| CN110518379A (en) * | 2019-08-29 | 2019-11-29 | 广东杰思通讯股份有限公司 | A kind of wire clamp connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |