CN206461908U - One kind shielding card cage - Google Patents
One kind shielding card cage Download PDFInfo
- Publication number
- CN206461908U CN206461908U CN201720156124.8U CN201720156124U CN206461908U CN 206461908 U CN206461908 U CN 206461908U CN 201720156124 U CN201720156124 U CN 201720156124U CN 206461908 U CN206461908 U CN 206461908U
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- CN
- China
- Prior art keywords
- box body
- plate
- die cavity
- pcb board
- card cage
- 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.)
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
Card cage is shielded the utility model discloses one kind, it includes box body（1）And cover plate（2）, described box body（1）Right plate on be fixed with supporting plate（3）, box body（1）Front and rear side plate on be provided with guide rail（5）, box body（1）Left plate on be provided with contact pin outlet（6）, pcb board mounting seat is provided with die cavity（7）, pcb board mounting seat（7）On be provided with mounting hole（8）, box body（1）Top surface on be provided with the step surface opened up around die cavity annular（9）, step surface（9）On be provided with screwed hole（10）Annular groove（11）Inside it is extruded with around annular groove（11）The spiral metal wire of setting（12）, cover plate（2）Sequentially run through through hole through screw（13）And and screwed hole（10）Connection.The beneficial effects of the utility model are：Effectively prevent pcb board from being disturbed by external electromagnetic ripple, shield effectiveness significantly, install that spiral metal wire is easy firmly, can work as shielding box with can be used as plug-in unit box again.
Description
Technical field
The utility model is related to the technical field of shielding box structure, particularly a kind of shielding card cage.
Background technology
At present, in order to prevent interference that external electromagnetic ripple is unnecessary to electronic component（Once pcb board is by external electromagnetic ripple
After interference, it is impossible to control coupled equipment normal work；And temperature-sensitive element, by after external electromagnetic wave interference, its precision is bright
It is aobvious to decline）, the top side and bottom side of framework are covered frequently with a framework, with metallic plate to be fabricated to enclosed metallic shield
Box, by the way that pcb board is installed in the cavity inside metal shielding box, to block external electromagnetic ripple or noise to do pcb board
Disturb, it is ensured that the normal work of pcb board and temperature-sensitive element.Due to the contact pin of pcb board need guiding through metal shielding box internal cavity and with
The normal operation of input port connection ability driving equipment in equipment, and existing metal shielding box is air-tight state, is not set
There is groove, it is difficult to realize the installation of pcb board.
Due to screening cover be by four screws be fixed on shielding box body top, screening cover with shielding box body it
Between be necessarily formed with gap, external electromagnetic ripple still suffers from entering in shielding box cavity through gap, there is lacking for shield effectiveness difference
Fall into, there is risk.In addition the PCB being installed in shielding box is to loosen, and moving when metal shielding box is moved often collides pcb board
Shielding box inwall, not only damages pcb board, also increases maintenance cost.
Utility model content
The purpose of this utility model is to overcome the shortcoming of prior art effectively to prevent pcb board by the external world there is provided one kind
The interference of electromagnetic wave, shield effectiveness significantly, can work as shielding box with can be used as plug-in unit box again, the shielding of compact conformation it is slotting
Part box.
The purpose of this utility model is achieved through the following technical solutions：One kind shielding card cage, it includes box body and lid
Supporting plate is fixed with plate, the right plate of described box body, the both sides of supporting plate are provided with the extension for extending box portion outside
Be connected with portion, extension on lock-screw, the front and rear side plate of box body be provided with guide rail, the left plate of box body be provided with it is slotting
Pin is exported, and is offered in described box body and pcb board mounting seat is provided with die cavity, die cavity, installation is provided with pcb board mounting seat
It is provided with hole, the top surface of box body on the step surface opened up around die cavity annular, step surface and is provided with screwed hole and around die cavity ring
The annular groove that shape is opened up, the cross section of annular groove is that the spiral shell set around annular groove is extruded with swallow-tail form, annular groove
Wire is revolved, the outward flange of described cover plate is ridden on step surface, through hole is provided with cover plate, cover plate is through screw sequentially through logical
Hole and it is connected with screwed hole.
The lamp hole of multiple connection die cavities is provided with the front and rear side plate of described box body.
Multiple pcb board mounting seats are provided with described die cavity.
Described multiple pcb board mounting seats prolong the edge distribution of die cavity
Described guide rail is set perpendicular to supporting plate.
Two described guide rails are symmetrical arranged.
The utility model has advantages below：（1）It is extruded with and is set around annular groove in annular groove of the present utility model
Spiral metal wire, spiral metal wire can form loop checking installation, and the pcb board being installed in die cavity is enclosed, therefore energy
Be prevented effectively from pcb board disturbed by external electromagnetic ripple, shield effectiveness it is more notable.（2）The both sides of the utility model supporting plate are equal
It is provided with the extension for extending box portion outside, extension and is connected with lock-screw, is provided with the front and rear side plate of box body
Guide rail, when the shielding card cage coordinates with cabinet, can be used as plug-in unit and uses again.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is Fig. 1 front view；
Fig. 3 is Fig. 1 top view；
Fig. 4 is Fig. 1 left view；
Fig. 5 is that the utility model removes the top view after cover plate；
Fig. 6 is A-A sectional views in Fig. 5；
Fig. 7 is Fig. 6 I portions partial enlarged view；
In figure, 1- box bodys, 2- cover plates, 3- supporting plates, 4- lock-screws, 5- guide rails, 6- contact pins outlet, 7-PCB plates are installed
Seat, 8- mounting holes, 9- step surfaces, 10- screwed holes, 11- annular grooves, 12- spiral metal wires, 13- through holes, 14- lamp holes.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings, protection domain of the present utility model be not limited to
It is lower described：
As shown in Fig. 1 ~ 7, one kind shielding card cage, it includes solid on box body 1 and cover plate 2, the right plate of described box body 1
Surely there is supporting plate 3, the both sides of supporting plate 3 are provided with the extension extended outside box body 1, extension and are connected with locking screw
Guide rail 5 is provided with nail 4, the front and rear side plate of box body 1, guide rail 5 is set perpendicular to supporting plate 3, and two guide rails 5 are symmetrical arranged,
Be provided with contact pin outlet 6 on the left plate of box body 1, contact pin outlet 6 can ensure the contact pin of pcb board through it and with the input of equipment
The connection of port, solves the problem of pcb board contact pin is laid.Offered in described box body 1 be provided with die cavity, die cavity it is multiple
Pcb board mounting seat 7, multiple pcb board mounting seats 7 are prolonged is provided with mounting hole 8 in the edge distribution of die cavity, pcb board mounting seat 7.It is logical
To cross mounting hole 8 can be firmly fixed to pcb board in die cavity, it is to avoid when the card cage is by foreign impacts, pcb board collision
Card cage inwall and send noise, while avoiding pcb board because of damaged in collision, pcb board is protected well.
As shown in Fig. 5 ~ 6, the step surface 9 opened up around die cavity annular, step surface are provided with the top surface of described box body 1
Screwed hole 10 and the annular groove 11 opened up around die cavity annular are provided with 9, the cross section of annular groove 11 is swallow-tail form, annular
The spiral metal wire 12 set around annular groove 11 is extruded with groove 11, spiral metal wire 12 can form loop checking installation, and
The pcb board being installed in die cavity is enclosed to come, it is to avoid external electromagnetic ripple disturbs pcb board, and due to spiral metal wire
12 be located between box body 1 and cover plate 2, therefore avoid electromagnetic wave through both gap enter die cavity in, shield effectiveness is more notable,
Therefore the shielding card cage can be used as shielding box.
The outward flange of described cover plate 2 is ridden on step surface 9, is provided with through hole 13 on cover plate 2, cover plate 2 through screw sequentially
It is connected through through hole 13 and with screwed hole 10.The lamp hole of multiple connection die cavities is provided with the front and rear side plate of described box body 1
14, administrative staff can observe the running status of pcb board by lamp hole 14.
The course of work of the present utility model is：The shielding card cage is as plug-in unit in use, first in cabinet biside plate
The chute coordinated with guide rail 5 is processed on wall, then the guide rail 5 positioned at the both sides of box body 1 is plugged in chute respectively, then will branch
Fagging 3 is ridden between cabinet biside plate, and the top of cabinet is finally fixed on lock-screw 4, it is achieved thereby that the shielding plug-in unit
The fixation of box, the shielding card cage can be used as plug-in unit and use.
Claims (6)
1. one kind shielding card cage, it is characterised in that：It includes box body（1）And cover plate（2）, described box body（1）Right plate
On be fixed with supporting plate（3）, supporting plate（3）Both sides be provided with and extend box body（1）Connect on outside extension, extension
It is connected to lock-screw（4）, box body（1）Front and rear side plate on be provided with guide rail（5）, box body（1）Left plate on be provided with it is slotting
Pin is exported（6）, described box body（1）Inside offer and pcb board mounting seat is provided with die cavity, die cavity（7）, pcb board mounting seat（7）
On be provided with mounting hole（8）, box body（1）Top surface on be provided with the step surface opened up around die cavity annular（9）, step surface（9）
On be provided with screwed hole（10）With the annular groove opened up around die cavity annular（11）, annular groove（11）Cross section be dovetail
Shape, annular groove（11）Inside it is extruded with around annular groove（11）The spiral metal wire of setting（12）, described cover plate（2）Outside
Edge rides over step surface（9）On, cover plate（2）On be provided with through hole（13）, cover plate（2）Sequentially run through through hole through screw（13）And and spiral shell
Pit（10）Connection.
2. a kind of shielding card cage according to claim 1, it is characterised in that：Described box body（1）Front and rear side plate on
It is provided with the lamp hole of multiple connection die cavities（14）.
3. a kind of shielding card cage according to claim 1, it is characterised in that：Multiple PCB are provided with described die cavity
Plate mounting seat（7）.
4. a kind of shielding card cage according to claim 3, it is characterised in that：Described multiple pcb board mounting seats（7）Prolong
The edge distribution of die cavity.
5. a kind of shielding card cage according to claim 1, it is characterised in that：Described guide rail（5）Perpendicular to supporting plate
（3）Set.
6. a kind of shielding card cage according to claim 1, it is characterised in that：Two described guide rails（5）It is symmetrical arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720156124.8U CN206461908U (en) | 2017-02-21 | 2017-02-21 | One kind shielding card cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720156124.8U CN206461908U (en) | 2017-02-21 | 2017-02-21 | One kind shielding card cage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206461908U true CN206461908U (en) | 2017-09-01 |
Family
ID=59691233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720156124.8U Active CN206461908U (en) | 2017-02-21 | 2017-02-21 | One kind shielding card cage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206461908U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109661154A (en) * | 2019-01-11 | 2019-04-19 | 中国船舶重工集团公司第七二四研究所 | A kind of airtight cabinet gas-liquid heat exchanger based on modularized design |
-
2017
- 2017-02-21 CN CN201720156124.8U patent/CN206461908U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109661154A (en) * | 2019-01-11 | 2019-04-19 | 中国船舶重工集团公司第七二四研究所 | A kind of airtight cabinet gas-liquid heat exchanger based on modularized design |
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| GR01 | Patent grant |