CN2625095Y - Earthed striking flake having a deformation protection unit - Google Patents
Earthed striking flake having a deformation protection unit Download PDFInfo
- Publication number
- CN2625095Y CN2625095Y CN 03256626 CN03256626U CN2625095Y CN 2625095 Y CN2625095 Y CN 2625095Y CN 03256626 CN03256626 CN 03256626 CN 03256626 U CN03256626 U CN 03256626U CN 2625095 Y CN2625095 Y CN 2625095Y
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- CN
- China
- Prior art keywords
- arc
- elastic part
- grounding elastic
- arc portion
- deformation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a grounding spring piece with the deformation protection function, which comprises a welding part; wherein one end of the welding part upwards extends to form a first arc-shaped part, the first arc-shaped part continuously upwards bends to form a contact part, and the other end of the welding part upwards bends to the first arc-shaped part to extend and form a deformation protection part. A second arc-shaped part is further arranged between the welding part and the deformation protection part of the grounding spring piece, and the deformation protection part is formed through that the second arc-shaped part extends to the first arc-shaped part. A deformation space which is used in that the first arc-shaped part is pressed in the contact part is arranged between the deformation protection part and the first arc-shaped part in order to make the first arc-shaped part also close to the deformation protection part until contact with the deformation protection part when the contact part is deformed due to the external pressure, which thereby effectively prevents the grounding spring piece from generating the permanent deformation or fracture when receiving the large external pressure in order to make the grounding function normally realized.
Description
Technical field
The utility model is about a kind of grounding elastic part, and especially a kind of being applicable to is welded on grounding elastic part circuit board, that have the distortion protection.
Background technology
Be installed on the circuit board along with increasing electronic building brick is integrated, be derived from numerous electronic building bricks itself and the electromagnetic interference (EMI) that comes from the outside, electrostatic interference and noise interference just becoming puzzlement people in the industry's a difficult problem.At present, the method that addresses these problems mostly is to adopt the modes such as electromagnetic shielding shell, ground strip that are provided with.
United States Patent (USP) the 5th, 537, promptly disclosed a kind of IC-card device for No. 294 with grounding elastic part and upper and lower electromagnetic shielding shell, retained part in the middle of its grounding elastic part is provided with one, be used to clamp circuit board and with circuit board on corresponding ground pad electrically contact, with two contact arms that are located at these retained part both sides, centre, on the upper and lower electromagnetic shielding shell of can conflicting respectively.Like this, after this IC-card device assembles, formed a grounded circuit between electromagnetic shielding shell, grounding elastic part and the circuit board down thereon,, static, the noise that can immediately each electronic building brick on the circuit board be produced conduct in time by this grounded circuit, by the upper and lower electromagnetic shielding shell of its closure designs, guaranteed the anti-electromagnetic interference that it is good simultaneously.
Grounding elastic part can be to take mechanical systems such as buckle, clamping to be set on the circuit board, also can take surperficial adhesion system (SMT) to be fixed on the circuit board, by with circuit board on corresponding circuit design static or noise are conducted, thereby guarantee that each electronic building brick on the circuit board is able to operate as normal.
The surface adhesion type grounding elastic part usually be in advance by solid welding on the position that pre-sets on the circuit board, be mounted in the computer host box with circuit board again or the notebook computer casing in, directly can contact, by the host computer shell static on the circuit board and noise be conducted again with the host computer casing.
Related art can be with reference to No. the 508135th, TaiWan, China patent, and the disclosed grounding elastic part of this patent roughly is " ∑ " shape, and the arm of its both sides can be used for welding with circuit board and contacting with the host computer casing.But in the circuit board that will be provided with this grounding elastic part is installed to the host computer casing, this grounding elastic part is extruded, deforms in this assembling process probably; If corresponding operating physical force is excessive or angle out of strength is improper in this process, will make grounding elastic part that bigger crimp takes place, may therefore surpass the elastic limit of materials of this grounding elastic part, permanent deformation takes place, make it can't recover life size, thereby lose its ground connection effect.Sometimes, if in the assembling process moment firmly too big, even can this grounding elastic part be ruptured, so not only can't realize its grounding function; And the fragment of its fracture then may cause short circuit if drop on circuit board, and is serious even may cause circuit board to be burnt.
Summary of the invention
The utility model purpose is to overcome above-mentioned the deficiencies in the prior art, and a kind of have distortion protection, grounding elastic part simple in structure are provided.
Technical solution main points of the present utility model are: a kind of grounding elastic part with distortion protection; comprise a weld part; one end of weld part extends upward and forms one first arc portion; the first arc portion continues to be bent upwards and extends to form a contact site, and the other end of weld part upwards and towards the bending of the first arc portion extends to form a distortion protection portion.
This grounding elastic part further is provided with one second arc portion between weld part and distortion protection portion, distortion protection portion promptly forms towards the extension of the first arc portion from the second arc portion.Have the deformation space of a confession first arc portion when the contact site pressurized between this distortion protection portion and the first arc portion.
The grounding elastic part that the utlity model has the distortion protection is out of shape protection portion by adopting, and the deformation space when between this distortion protection portion and the first arc portion confession first arc portion being set at the grounding elastic part pressurized.Like this; when contact site is subjected to the external pressure distortion; the first arc portion is also close towards this distortion protection portion thereupon; until inconsistent with distortion protection portion; thereby prevented that effectively this grounding elastic part from producing permanent deformation or rupture when being subjected to excessive external pressure, and caused influencing the normal realization of its grounding function.
And; the grounding elastic part that the utlity model has distortion protection is after determining certain-length with one that made by conductive material, flat profile; only need to produce grounding elastic part of the present utility model, therefore also have simple in structure, advantage of low manufacturing cost through simple crooked processing procedure.
Description of drawings
Fig. 1 is the schematic perspective view that the utlity model has the grounding elastic part of distortion protection;
Fig. 2 is the front view that the utlity model has the grounding elastic part of distortion protection;
Fig. 3 is the side view that the utlity model has the grounding elastic part of distortion protection.
The specific embodiment
Now, the grounding elastic part that the utlity model has the distortion protection is described in further detail in conjunction with Figure of description.
Figure 1 shows that the schematic perspective view of the grounding elastic part 1 that the utlity model has the distortion protection, this grounding elastic part 1 comprises a weld part 10, one end of weld part 10 extends upward and forms one first arc portion 11, the first arc portion continues to be bent upwards and extends to form a contact site 12, and the other end of weld part 10 upwards and towards 11 bendings of the first arc portion extends to form a distortion protection portion 14; In certain embodiments, aforesaid weld part 10 can be that the bottom surface is the face of weld on plane.
Consult Fig. 2 and Fig. 3, this grounding elastic part 1 further is provided with one second arc portion 13 between weld part 10 and distortion protection portion 14, and distortion protection portion 14 promptly forms towards 11 extensions of the first arc portion from the second arc portion 13.Have the deformation space 15 of a confession first arc portion when the contact site pressurized between this distortion protection portion 14 and the first arc portion 11.When contact site 12 is subjected to external pressure when distortion, the first arc portion 11 is also close towards this distortion protection portion 14 thereupon, until inconsistent and stop with distortion protection portion 14, thereby has prevented that effectively this grounding elastic part 1 from producing excessive deformation when being subjected to external pressure.
In the time of on the utility model grounding elastic part 1 being assembled into circuit board (not shown), can adopt surperficial adhesion technology (SMT) that this grounding elastic part 1 is welded on this circuit board coating welding material in advance on the corresponding position that is provided with on this circuit board.
With this grounding elastic part 1 by after welding assembly is to circuit board, be installed to circuit board in the computer host box again or the casing of laptop in correspondence position, the contact site 12 of this grounding elastic part 1 promptly can contact with corresponding grounding assembly (not shown), conducts with static or the noise that will produce on the circuit board.Should the grounding assembly corresponding with grounding elastic part 1 may be computer chassis, also may be other default ground path or assembly.
The grounding elastic part 1 that the utlity model has the distortion protection is by adopting distortion protection portion 14; and the deformation space 15 when between this distortion protection portion 14 and the first arc portion 11 the confession first arc portion 11 being set at grounding elastic part 1 pressurized; make when contact site 12 is subjected to the external pressure distortion; the first arc portion 11 is also close towards this distortion protection portion 14 thereupon; until inconsistent with distortion protection portion 14; thereby prevented that effectively this grounding elastic part 1 from producing permanent deformation or rupture when being subjected to excessive external pressure, and caused influencing the normal realization of its grounding function.
The utility model grounding elastic part 1 is at the initial stage of compressive deformation, and the folding s tress that its shell fragment bending is produced will concentrate near near the base portion 16 of weld part 10; When distortion continue to strengthen, and when deformation space 15 is disappeared because of distortion, the stress that follow-up distortion produces will be born respectively with distortion protection portion 14 by the contact part on base portion 16 and the grounding elastic part 1 17 respectively.Thus, can avoid grounding elastic part 1 stress concentrations and the phenomenon of permanent deformation or fracture takes place.
And; the grounding elastic part 1 that the utlity model has distortion protection make by conductive material (typical example is a beryllium copper), after flat profile determines certain-length; only need to produce grounding elastic part of the present utility model, therefore also have simple in structure, advantage of low manufacturing cost through simple crooked processing procedure.
Claims (5)
1, a kind of grounding elastic part with distortion protection comprises a weld part (10); It is characterized in that: an end of this weld part (10) extends upward and forms one first arc portion (11); the first arc portion (11) continues to be bent upwards and extends to form a contact site (12), and the other end of weld part (10) upwards and towards the bending of the first arc portion (11) extends to form a distortion protection portion (14).
2, the grounding elastic part with distortion protection as claimed in claim 1 is characterized in that: this grounding elastic part further is provided with one second arc portion (13) between weld part (10) and distortion protection portion (14).
3, the grounding elastic part with distortion protection as claimed in claim 2 is characterized in that: described distortion protection portion (14) forms towards the extension of the first arc portion (11) from the second arc portion (13).
4, the grounding elastic part with distortion protection as claimed in claim 3 is characterized in that: have a confession first deformation space of arc portion (11) when the grounding elastic part pressurized between the described distortion protection portion (14) and the first arc portion (11).
5, the grounding elastic part with distortion protection as claimed in claim 1 or 2 is characterized in that: have the deformation space (15) of a confession first arc portion (11) when the grounding elastic part pressurized between the described distortion protection portion (14) and the first arc portion (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03256626 CN2625095Y (en) | 2003-04-30 | 2003-04-30 | Earthed striking flake having a deformation protection unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03256626 CN2625095Y (en) | 2003-04-30 | 2003-04-30 | Earthed striking flake having a deformation protection unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2625095Y true CN2625095Y (en) | 2004-07-14 |
Family
ID=34253937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03256626 Expired - Lifetime CN2625095Y (en) | 2003-04-30 | 2003-04-30 | Earthed striking flake having a deformation protection unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2625095Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571544A (en) * | 2019-09-30 | 2019-12-13 | 京东方科技集团股份有限公司 | Connecting terminal assembly for sensor and sensor |
-
2003
- 2003-04-30 CN CN 03256626 patent/CN2625095Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571544A (en) * | 2019-09-30 | 2019-12-13 | 京东方科技集团股份有限公司 | Connecting terminal assembly for sensor and sensor |
| CN110571544B (en) * | 2019-09-30 | 2021-10-01 | 京东方科技集团股份有限公司 | Connecting terminal assembly for sensor and sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LAIRD ELECTRON MATERIAL ( SHANGHAI ) CO., LTD. Free format text: FORMER OWNER: KERRY TOO LONG IT CO., LTD. Effective date: 20090821 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090821 Address after: China Shanghai Huaning road Xhenzhuang Industrial Zone No. 398, Lane 3088, zip code: 201100 Patentee after: Laind Electronic Material (Shanghai) Co., Ltd. Address before: 6F, 94, three West Creek Street, Taipei County, Taiwan Province, china: Patentee before: Jiadelong Science & Technology Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130502 Granted publication date: 20040714 |