CN2578869Y - Fixer of printed circuit board - Google Patents
Fixer of printed circuit board Download PDFInfo
- Publication number
- CN2578869Y CN2578869Y CN 02252531 CN02252531U CN2578869Y CN 2578869 Y CN2578869 Y CN 2578869Y CN 02252531 CN02252531 CN 02252531 CN 02252531 U CN02252531 U CN 02252531U CN 2578869 Y CN2578869 Y CN 2578869Y
- Authority
- CN
- China
- Prior art keywords
- pcb board
- fixed leg
- stationary installation
- axle center
- elastic
- Prior art date
- 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 - Fee Related
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model relates to a PCB board (Printed Circuit Board shorted as the PCB board as follows) fixer, which is composed of a shaft center, a leaf spring and a fixed column in order to fix the PCB board to a machine shell, and the fixer provides the function of preventing the interference of electromagnetic waves as well as has the effects of fixation, shock absorption and buffering. The utility model uses the shaft center to penetrate the PCB board and the leaf spring and combine with the fixed column fixed on the machine shell in order to obtain the aim of fixing the PCB board to the machine shell. The leaf spring designed with elasticity can damping external shock, and thus the damage to the PCB board is reduced. The electromagnetic waves can be conducted to the machine shell via the contact between the leaf spring and the PCB board, and thus the interference of the electromagnetic waves can be prevented.
Description
Technical field
The utility model relates to a kind of stationary installation, and is particularly a kind of in order to pcb board is fixed in casing, has the function of damping, buffering, has the stationary installation of grounding function simultaneously.
Background technology
Along with the progress of science and technology, the use of computing machine is prevalent among the every profession and trade, and the use of high-order server is also more and more universal thereupon.For pursuing the stability and the fiduciary level of high-order server, Electromagnetic Interference (Electro Magnetic Interference; Or electromagnetic wave compatibility (ElectroMagnetic Compatibility EMI); EMC) problem draws attention thereupon gradually.
For solving the above problems, and reach the effect that pcb board is fixed in casing, please refer to Fig. 1, Fig. 2, be the known practice.With common pcb board 8 (computer main frame panel), use and be fixed on the casing 100, have the fixed leg 9 of electric conductivity, pass the ground hole position that is positioned at pcb board 8, promptly insert hole 80,, and reach effect fixing and conducting ground connection simultaneously again by adjacent pincers hole 81 nip necks 90.
Please refer to Fig. 3 figure and Fig. 4, it is the another kind of known practice, and at first shell fragment 104 passes through the ground hole position 103 that is positioned at pcb board 102 and ditch fastens pcb board 102, and fixed leg 105 passes through ground hole position 103 then, shift the end onto toward the side, make the neck of fixed leg 105 clamp together in ground hole position 103; At last, the tail end of the tail end hook ground hole position 103 of cover body 101, and the opening of top can be supplied with shell fragment 104 and fastens cover body 101 and fixed leg 105, therefore pcb board 102 is fixed on the casing 100.
Yet the effect and the consideration on the cost of shielding electromagnetic wave are difficult to reach simultaneously.Simple installation drawing 1, shown in Figure 2, no doubt with low cost, however external force has the situation of slip when shaking; And Fig. 3, shown in Figure 4, shell fragment can increase the contact area with pcb board, the conductive earthing function is good than the former, the installing of cover body has good stationarity, yet whole mechanism complexity, increase the formality of assembling, in addition must headspace when the design pcb board, so the increase of cost is inevasible.
The utility model content
The utility model can utilize the existing assembly of industrial community to be assembled for addressing the above problem the stationary installation that a kind of pcb board is provided, and need not make again, thereby cost is minimized.
Another purpose of the present utility model is to prevent electromagnetic interference, thereby reaches the function of good shielding.
A purpose more of the present utility model is to provide a rubber-like device, and reaches the function of damping, buffering.
The stationary installation of pcb board provided by the utility model comprises the axle center, shell fragment and fixed leg.Axle center and fixed leg are industry fixation kit commonly used.The axle center is passed pcb board, shell fragment in regular turn, is fixed within the fixed leg at last.Axle center and shell fragment have electric conductivity, thereby can see through and be installed in the fixed leg conducting ground connection with electric conductivity of computer housing, and then prevent electromagnetic interference.Elastic is bowl-shape form and comprises breach, but elastic is separated into several blocks and becomes the state of deformation and have elastic force, and pcb board is folded between shell fragment and the axle center; And pcb board also can provide the effect of damping, buffering when being subjected to outside vibrations.
The utility model provides a kind of stationary installation of pcb board, and in order to pcb board is fixed on the casing, this pcb board has continuous inserting the hole and clamp the hole, inserts the width of the width in hole greater than the pincers hole, and the stationary installation of this pcb board specifically comprises:
One fixed leg is fixed in casing;
One elastic parts, this elastic parts are between pcb board and this fixed leg, and generation elastic force is pushed pcb board behind compressive deformation; And
One axle center, be fixed in this fixed leg after passing this shell fragment, the top in this axle center has a head and adjacent neck, and the external diameter of this head is greater than the external diameter of this neck, can insert that the hole penetrates pcb board and be vised this neck from this, in order to pcb board is clipped between this head and this elastic parts by the pincers hole.
Described fixed leg can rivet clasp in casing;
Described fixed leg also can have a patchhole, and this patchhole inserts for the axle center;
Described axle center can link with a rivet that passes casing and this fixed leg bottom; Perhaps link with a nut that passes casing and this fixed leg bottom;
Described elastic parts can be the spring of a spiral status, and this spring is supported by this fixed leg, and generation elastic force is pushed pcb board behind compressive deformation;
Described elastic parts also can be the shell fragment of a bowl-shape form, comprises a composition surface and an elastic, and this elastic is supported and produces elastic force and pushes pcb board behind compressive deformation by this fixed leg;
When described elastic parts was the shell fragment of a bowl-shape form, the elastic of described shell fragment can have a plurality of claws that the radiation direction is extended that prolong; The claw of this shell fragment can be towards the oblique extension of the direction of fixed leg, also can be towards the oblique extension of the direction of pcb board;
Described elastic parts and fixed leg have electric conductivity, can make this pcb board and casing conducting ground connection; Perhaps this axle center and fixed leg have electric conductivity, can make this pcb board and casing conducting ground connection.
Description of drawings
Fig. 1 is the synoptic diagram of known stationary installation;
Fig. 2 is the sectional view of known stationary installation;
Fig. 3 is the synoptic diagram of known another kind of stationary installation;
Fig. 4 is the sectional view of the fixing device of known another kind;
Fig. 5 is the synoptic diagram of first kind of embodiment of the utility model;
Fig. 6 is the sectional view of first kind of embodiment of the utility model;
Fig. 7 is the synoptic diagram in first kind of embodiment axle center of the utility model;
Fig. 8 is the synoptic diagram of first kind of embodiment shell fragment of the utility model;
Fig. 9 is the synoptic diagram of first kind of embodiment fixed leg of the utility model;
Figure 10 is the synoptic diagram of second kind of embodiment of the utility model;
Figure 11 is the synoptic diagram in second kind of embodiment axle center of the utility model;
Figure 12 is the synoptic diagram of second kind of embodiment shell fragment of the utility model;
Figure 13 is the synoptic diagram of second kind of embodiment of the utility model with fixed column;
Figure 14 is the synoptic diagram of the third embodiment of the utility model; And
Figure 15 is the diagrammatic cross-section of the third embodiment of the utility model.
Embodiment
Among Fig. 1 to Figure 15, comprise axle center 1, head 10, neck 11, cylinder 12, fixed orifice 13, shell fragment 2, elastic 20, claw 201, breach 202, perforation 21 is supported and is closed face 22, and fixed leg 3 supports the face 30, base 31 of closing, patchhole 32, shell fragment 4, extended surface 40, elastic 41, claw 411, breach 412 supports the face 42 that closes, perforation 43, fixed leg 5, threaded hole 50 supports and closes face 51, base 52, axle center 6, head 60, neck 61, cylinder 62, nut 7, pcb board 8 is inserted hole 80, pincers hole 81, fixed leg 9, neck 90, casing 100, cover body 101, pcb board 102, ground hole position 103, shell fragment 104, fixed leg 105, spring 110.
See also Fig. 5 and Fig. 6, it is the synoptic diagram of first kind of embodiment of the utility model.Stationary installation according to a kind of pcb board of the present utility model includes axle center 1, shell fragment 2 and fixed leg 3.
Please refer to Fig. 6 and Fig. 7, axle center 1 includes head 10 and adjacent neck 11, and wherein the external diameter of head 10 is greater than the external diameter of neck 11.Pcb board 8 has continuous hole 80 and the pincers hole 81 inserted, and inserts the width of the width in hole 80 greater than pincers hole 81, and what head 10 passed through pcb board 8 inserts hole 80, clamps hole 81 nip necks 11 then, and cylinder 12 passes shell fragment 2, and is fixed within the fixed leg 3.Cylinder 12 includes fixed orifice 13, and screw thread is arranged in it.
Please refer to Fig. 8, shell fragment 2 is bowl-shape form, has to closing face 22 and adjacent perforation 21, and its middle punch 21 is supplied with axle center 1 and passed.Elastic 20 is closed face 22 and links to each other with supporting, and comprises a plurality of breach 202, and it is separated into a plurality of claws 201 with elastic 20.But therefore shell fragment 2 has elastic force because of being separated into a plurality of claw 201 deformation.
Please refer to Fig. 9, this fixed leg 3 includes the face 30 that closes that supports of base 31 and top.Fixed leg 3 is fixed on the casing by base 31, is positioned at supporting of top and closes face 30 and engage with the elastic 20 of shell fragment 2 and produce the effect of ground connection.In other words, the supporting of shell fragment 2 closed face 22 and to engage with pcb board, and the elastic 20 of shell fragment 2 is touched mutually with fixed leg 3 on being fixed in casing, so can produce the effect of ground connection and prevent electromagnetic interference.Fixed leg 3 closes face 30 in supporting of top and also has patchhole 32, penetrates in it with the cylinder 12 of supplying with axle center 1.This moment, nut 7 can be locked within the axle center 1 by being positioned at the fixed orifice 13 that cylinder 12 has screw thread.In brief, shell fragment 2 is passed through and after entering fixed leg 3, nut 7 is locked in the axle center 1 by fixed leg 3 in axle center 1.
See also Figure 10, it is the synoptic diagram of second kind of embodiment of the utility model.Stationary installation according to a kind of pcb board of the present utility model comprises shell fragment 4, fixed leg 5 and axle center 6.
Please refer to Figure 11, wherein axle center 6 has head 60 and adjacent neck 61, and cylinder 62.The external diameter of head 60 is greater than the external diameter of neck 61, and cylinder 62 surfaces have thread.
Please refer to Figure 12, this shell fragment 4 is bowl-shape form, opening up, and material has electric conductivity.Shell fragment 4 comprises bowl-shape elastic 41, and link to each other support the face 42 that closes, perforation 43 is positioned to closing among the face 42.Elastic 41 has a plurality of breach 412, with so that elastic 41 separate and become a plurality of claws 411, thereby elastic 41 deformables, thus have elastic force.
See also Figure 13, fixed leg 5 includes threaded hole 50, face 51 is closed in continuous supporting, and base 52.Wherein base 52 is in order to being fixed in casing, supports to close face 51 and close face 42 with supporting of this shell fragment 4 and contact, and axle center 6 can see through to bore a hole and 43 enter within the fixed leg 5.Elastic 41 has the extended surface 40 that extends in parallel, and contacts with pcb board by it.Threaded hole 50 is in order to hold cylinder 62.The extended surface 40 of shell fragment 4 touches mutually with pcb board, and supporting of shell fragment 4 closed face 42 and close face 51 with supporting of fixed leg 5 and engage, so produces the effect of ground connection and can prevent Electromagnetic Interference.
See also Figure 14 and Figure 15, be respectively the diagrammatic cross-section of synoptic diagram and the third embodiment of the utility model of the third embodiment of the utility model, stationary installation according to a kind of pcb board of the present utility model, comprise spring 110, fixed leg 3 and axle center 1, its medi-spring 110 is assembly spiral-shaped and that have elastic force and electric conductivity.
Fixed leg 3 includes the face 30 that closes that supports of base 31 and top.Fixed leg 3 is fixed on the casing by base 31, and nut 7 passes through patchhole 32 and screws togather with fixed orifice 13, so axle center 1 can be fixed in the fixed leg 3.
One end of spring 110 contacts with pcb board 8, and the other end contacts with fixed leg 3 simultaneously; And spring 110 and fixed leg are all the assembly of electric conductivity, therefore can produce the effect of ground connection and prevent Electromagnetic Interference.
See also Figure 12 and Fig. 8, shell fragment 4 is the shell fragment 2 among first kind of embodiment of a similar aforementioned the utility model, difference be the bowl-shape form of second kind of shell fragment 4 among the embodiment be opening upwards, and the bowl-shape form of the shell fragment 2 among first kind of embodiment be opening down.And the shell fragment 4 among second kind of embodiment includes an extended surface 40, and its function is same as the design of closing face 22 of supporting of shell fragment 2 among first kind of embodiment, contacts with pcb board by it.
In the stationary installation of a kind of pcb board disclosed in the utility model, wherein axle center, fixed leg be industrial community commonly used obtain easy, the simple structure of shell fragment and spring, it is easy to make.Stationary installation disclosed in the utility model also have the opposing external impact pooling feature and favorable conductive ground connection effect, assemble easily, with low cost, fully reach the utilizability of industry; And do not see that on the market this has multi-functional device, has novelty.
The above only is the preferred embodiment in the utility model, is not to be used for limiting practical range of the present utility model, and all equivalent variations and modifications of being done according to the utility model claims are all the utility model scope and contain.
Claims (12)
1, a kind of stationary installation of pcb board, comprise that one is fixed in the fixed leg of casing, in order to pcb board is fixed on the casing, this pcb board has continuous inserting the hole and clamp the hole, insert the width of the width in hole, it is characterized in that the stationary installation of this pcb board also comprises an elastic parts and an axle center greater than the pincers hole, this elastic parts is between pcb board and this fixed leg, and generation elastic force is pushed pcb board behind compressive deformation; This fixed leg is fixed in after passing this elastic parts in this axle center, the top in this axle center has a head and adjacent neck, the external diameter of this head is greater than the external diameter of this neck, inserts that the hole penetrates pcb board and vised this neck by the pincers hole from this, pcb board is clipped between this head and this elastic parts.
2, the stationary installation of pcb board according to claim 1 is characterized in that this fixed leg rivet clasp is in casing.
3, the stationary installation of pcb board according to claim 1 is characterized in that this fixed leg has a patchhole, and this patchhole can insert for this axle center.
As the stationary installation of pcb board as described in the claim 3, it is characterized in that 4, the rivet that casing and this fixed leg bottom are passed in this axle center and links.
As the stationary installation of pcb board as described in the claim 3, it is characterized in that 5, the nut that casing and this fixed leg bottom are passed in this axle center and links.
6, the stationary installation of pcb board according to claim 1 is characterized in that this elastic parts is the spring of a spiral status, and this spring is supported by this fixed leg, and produces elastic force push pcb board behind compressive deformation.
7, the stationary installation of pcb board according to claim 1 is characterized in that this elastic parts is the shell fragment of a bowl-shape form, comprises a composition surface and an elastic, and this elastic is supported and produces elastic force and pushes pcb board behind compressive deformation by this fixed leg.
As the stationary installation of pcb board as described in the claim 7, it is characterized in that 8, the elastic of this shell fragment has a plurality of claws that the radiation direction is extended that prolong.
As the stationary installation of pcb board as described in the claim 8, it is characterized in that 9, the claw of this shell fragment is towards to the oblique extension of the direction of fixed leg.
As the stationary installation of pcb board as described in the claim 8, it is characterized in that 10, the claw of this shell fragment is towards to the oblique extension of the direction of pcb board.
11, the stationary installation of pcb board according to claim 1 is characterized in that this elastic parts and fixed leg have electric conductivity, makes this pcb board and casing conducting ground connection.
12, the stationary installation of pcb board according to claim 1 is characterized in that this axle center and fixed leg have electric conductivity, makes this pcb board and casing conducting ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02252531 CN2578869Y (en) | 2002-09-04 | 2002-09-04 | Fixer of printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02252531 CN2578869Y (en) | 2002-09-04 | 2002-09-04 | Fixer of printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2578869Y true CN2578869Y (en) | 2003-10-08 |
Family
ID=33721989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02252531 Expired - Fee Related CN2578869Y (en) | 2002-09-04 | 2002-09-04 | Fixer of printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2578869Y (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100359428C (en) * | 2005-01-06 | 2008-01-02 | 大同股份有限公司 | Dual-purpose fixing post |
| CN100397289C (en) * | 2004-12-29 | 2008-06-25 | 威盛电子股份有限公司 | Fixing assembly for mainboard |
| CN102044955A (en) * | 2009-10-16 | 2011-05-04 | 深圳市力征科技有限公司 | Power supply filter |
| CN101377701B (en) * | 2007-08-29 | 2011-09-14 | 英业达股份有限公司 | Positioning apparatus |
| CN101212878B (en) * | 2006-12-30 | 2012-01-04 | 技嘉科技股份有限公司 | Circuit board assembly structure and its guide wave device |
| CN102322600A (en) * | 2011-10-12 | 2012-01-18 | 深圳市华星光电技术有限公司 | A kind of module backlight and liquid crystal indicator |
| CN105376983A (en) * | 2015-12-17 | 2016-03-02 | 方德兰 | Fixing column device with alarm for PCB circuit board |
| CN105376982A (en) * | 2015-12-17 | 2016-03-02 | 方德兰 | Fixing column device used for PCB circuit board and transmitted by gear |
| CN105392352A (en) * | 2015-12-17 | 2016-03-09 | 苏朝芬 | Gas transmission system and cushion block-including fixed leg device for PCB circuit boards |
| CN105407680A (en) * | 2015-12-17 | 2016-03-16 | 苏朝芬 | Heat-dissipating fixing column device with alarm for PCB |
| CN105406279A (en) * | 2015-12-17 | 2016-03-16 | 刘淑芬 | Fixing column device with ejector for a PCB |
| CN105430985A (en) * | 2015-12-17 | 2016-03-23 | 方德兰 | Fixing column device with solar panel for PCB capable of reducing noise |
| CN106455400A (en) * | 2016-09-23 | 2017-02-22 | 复旦大学 | Shock absorption apparatus and circuit board assembly |
| CN107484379A (en) * | 2017-09-01 | 2017-12-15 | 山东超越数控电子有限公司 | A kind of universal architecture and method for improving effectiveness in vibration suppression |
| CN110456881A (en) * | 2019-07-31 | 2019-11-15 | 浙江工贸职业技术学院 | A kind of computer motherboard damping device |
| CN110456875A (en) * | 2019-07-02 | 2019-11-15 | 浙江工贸职业技术学院 | A kind of computer hardware damping device |
-
2002
- 2002-09-04 CN CN 02252531 patent/CN2578869Y/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100397289C (en) * | 2004-12-29 | 2008-06-25 | 威盛电子股份有限公司 | Fixing assembly for mainboard |
| CN100359428C (en) * | 2005-01-06 | 2008-01-02 | 大同股份有限公司 | Dual-purpose fixing post |
| CN101212878B (en) * | 2006-12-30 | 2012-01-04 | 技嘉科技股份有限公司 | Circuit board assembly structure and its guide wave device |
| CN101377701B (en) * | 2007-08-29 | 2011-09-14 | 英业达股份有限公司 | Positioning apparatus |
| CN102044955A (en) * | 2009-10-16 | 2011-05-04 | 深圳市力征科技有限公司 | Power supply filter |
| CN102322600A (en) * | 2011-10-12 | 2012-01-18 | 深圳市华星光电技术有限公司 | A kind of module backlight and liquid crystal indicator |
| US8525949B2 (en) | 2011-10-12 | 2013-09-03 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Back light module and liquid crystal display device |
| CN105376982A (en) * | 2015-12-17 | 2016-03-02 | 方德兰 | Fixing column device used for PCB circuit board and transmitted by gear |
| CN105376983A (en) * | 2015-12-17 | 2016-03-02 | 方德兰 | Fixing column device with alarm for PCB circuit board |
| CN105392352A (en) * | 2015-12-17 | 2016-03-09 | 苏朝芬 | Gas transmission system and cushion block-including fixed leg device for PCB circuit boards |
| CN105407680A (en) * | 2015-12-17 | 2016-03-16 | 苏朝芬 | Heat-dissipating fixing column device with alarm for PCB |
| CN105406279A (en) * | 2015-12-17 | 2016-03-16 | 刘淑芬 | Fixing column device with ejector for a PCB |
| CN105430985A (en) * | 2015-12-17 | 2016-03-23 | 方德兰 | Fixing column device with solar panel for PCB capable of reducing noise |
| CN106455400A (en) * | 2016-09-23 | 2017-02-22 | 复旦大学 | Shock absorption apparatus and circuit board assembly |
| CN107484379A (en) * | 2017-09-01 | 2017-12-15 | 山东超越数控电子有限公司 | A kind of universal architecture and method for improving effectiveness in vibration suppression |
| CN107484379B (en) * | 2017-09-01 | 2019-12-31 | 山东超越数控电子股份有限公司 | Universal structure and method for improving vibration reduction effect |
| CN110456875A (en) * | 2019-07-02 | 2019-11-15 | 浙江工贸职业技术学院 | A kind of computer hardware damping device |
| CN110456881A (en) * | 2019-07-31 | 2019-11-15 | 浙江工贸职业技术学院 | A kind of computer motherboard damping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031008 Termination date: 20110904 |