CN201174858Y - Tensioning arrangement for electromagnetic shielding device - Google Patents
Tensioning arrangement for electromagnetic shielding device Download PDFInfo
- Publication number
- CN201174858Y CN201174858Y CNU2008201072223U CN200820107222U CN201174858Y CN 201174858 Y CN201174858 Y CN 201174858Y CN U2008201072223 U CNU2008201072223 U CN U2008201072223U CN 200820107222 U CN200820107222 U CN 200820107222U CN 201174858 Y CN201174858 Y CN 201174858Y
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Abstract
The utility model discloses a packing structure for an electromagnetic screen, comprising a lining unit, a hollow part, an outer layer unit, wherein the lining unit is made from a material with a deformation behavior; the hollow part is arranged in the lining unit; and the outer layer unit, which is made from electrically conductive material, is arranged outside the lining unit. The packing structure of the utility model can be applied to the electromagnetic screen and can form a closed receiving space in the inner of the electromagnetic screen; in addition, the pressing structure, which can form the closed receiving of the electromagnetic screen and can isolate the receiving space of the electromagnetic screen from air, vapor and electromagnetic signals from the outside, has a good electromagnetic shielding function, thereby a user is capable of measuring electrical properties inside the receiving space.
Description
Technical field
The utility model relates to a kind of compacting structure, specifically, relates to a kind of compacting structure that can be applicable on the electromagnetic screen.
Background technology
As shown in Figure 1, known electromagnetic shielding box 10 includes a packing 11, a lid 13 and a casing 15, wherein, packing 11 is made by the material with deformation behavior, and is arranged between lid 13 and the casing 15, when lid 13 and casing 15 closures, will grant an external force to packing 11, and cause packing 11 that deformation takes place, and make lid 13 and casing 15 combine closely, and between forms a confined space, can effectively isolate extraneous air or aqueous vapor.
Generally speaking, the lid 13 of electromagnetic shielding box 10 and casing 15 are made by metal material, by this shielding extraneous electromagnetic riveting machine signal, and the user will be possible to use the confined space of electromagnetic shielding box 10 inside and carries out the test of electronic installation, to obtain the real electrical characteristic of electronic installation.Though can make electromagnetic shielding box 10 have preliminary electro-magnetic screen function with metal material making lid 13 and casing 15, yet packing 11 itself does not have the effect of shielding, therefore, extraneous electromagnetic riveting machine signal may be passed to electromagnetic shielding box 10 inside by the setting area of packing 11, and then influence the shielding effect of electromagnetic shielding box 10.
The utility model content
The purpose of this utility model is to provide a kind of compacting structure that can be applicable to electromagnetic screen, and this compacting structure can make electromagnetic screen have good electromagnetic shielding effect.
In order to achieve the above object, the utility model has adopted following technical scheme:
A kind of electromagnetic screen compacting structure is characterized in that it comprises: an internal layer unit, and this internal layer unit is made by the material with deformation behavior; One hollow bulb, this hollow bulb are arranged in this internal layer unit; One outer unit, this skin unit are arranged at this outside, internal layer unit, and are made by the material with conductive characteristic.
Described internal layer unit is silica gel or rubber.Described outer unit is made by metal material.Described outer unit is any in metal web, metal coated or the conducting foam.
The width of described compacting structure section is greater than height.The width of described hollow bulb section is greater than height.
The section of described internal layer unit is any in square, circular, ellipse or the polygon.The section of described hollow bulb is any in square, circular, ellipse or the polygon.The shape of the shape of described outer unit and described internal layer unit is suitable.
The utility model has the advantages that: the utility model compacting structure can be applicable on the electromagnetic screen, the utility model compacting structure can make the inner airtight accommodation space that forms of electromagnetic screen, also can make simultaneously the accommodation space of electromagnetic screen isolated with extraneous air, aqueous vapor and electromagnetic riveting machine signal, have good electromagnetic shielding effect, measure thereby the user can carry out the electrical characteristic of electronic installation in accommodation space inside.
Description of drawings
Fig. 1 is the organigram of known electromagnetic shielding box;
Fig. 2 is the generalized section of the utility model compacting structure one preferred embodiment;
Fig. 3 A is the example schematic perspective view (electromagnetic screen open mode) that the utility model compacting structure is applied in electromagnetic screen;
Fig. 3 B is the example schematic perspective view (electromagnetic screen closure state) that the utility model compacting structure is applied in electromagnetic screen;
Fig. 4 is another example schematic perspective view that the utility model compacting structure is applied in electromagnetic screen;
Fig. 5 A is the utility model compacting structure generalized section (electromagnetic screen open mode) in use;
Fig. 5 B is the utility model compacting structure generalized section (electromagnetic screen closure state) in use.
Embodiment
As shown in Figure 2, the utility model compacting structure 20 comprises a hollow bulb 21, an internal layer unit 23 and an outer unit 25, and wherein, hollow bulb 21 is arranged at 23 inside, internal layer unit, and outer unit 25 intactly coats internal layer unit 23, to form this compacting structure 20.
Owing to be provided with hollow bulb 21 in the internal layer unit 23, and internal layer unit 23 is to be made by the material with deformation behavior, for example internal layer unit 23 can be the material that silica gel or rubber etc. have deformation behavior and makes, and internal layer unit 23 can produce deformation according to the size and Orientation of external force, therefore when compacting structure 20 was subjected to external force pressure, internal layer unit 23 will produce deformation.
25 complete coating internal layer unit 23, outer unit, outer unit 25 is made by metal material or material with conductive characteristic, for example outer unit 25 can be metal web, metal coated or conducting foam etc., when internal layer unit 23 bears external force and produces deformation, the shape of outer unit 25 can produce change along with internal layer unit 23, and in the process of deformation complete coating internal layer unit 23, make compacting structure 20 have the shielding electromagnetic riveting machine signal effect.
Shown in Fig. 3 A and Fig. 3 B, the utility model compacting structure 20 can be applicable on the electromagnetic screen 200, electromagnetic shielding box for example, compacting structure 20 not only helps can making electromagnetic screen 200 have good electromagnetic shielding effect simultaneously at the electromagnetic screen 200 inner confined spaces that form.
The utility model compacting structure 20 comprises outer unit 25, as shown in Figure 2, and should the skin unit 25 make by conductive material, and should skin unit 25 complete packet overlay on the surface of internal layer unit 23, therefore when lid 203 and casing 205 closures, the outer unit 25 of compacting structure 20 will be present between lid 203 and the casing 205, and between forms a partition structure, thereby avoid extraneous electromagnetic riveting machine signal to be passed to accommodation space 201, further improved the effectiveness of electromagnetic screen 200 via compacting structure 20.
In addition, in the utility model, can on electromagnetic screen 200, set up at least one padlock unit 207, for example, padlock unit 207 can be arranged between lid 203 and/or the casing 205, lid 203 and casing 205 are carried out padlock, be beneficial to the formation of confined space.
By the use of the utility model compacting structure 20, can make that the accommodation space 201 of electromagnetic screen 200 is isolated with extraneous air, aqueous vapor and electromagnetic riveting machine signal, thereby can carrying out the electrical characteristic of electronic installation in accommodation space 201 inside, the user measures.
As shown in Figure 4, be that compacting structure 20 is arranged between lid 203 and the casing 205 equally in Fig. 4, so that lid 203 can be closely closed with casing 205, and the accommodation space 201 of casing 205 inside will become a confined space, can effectively completely cut off extraneous electromagnetic riveting machine signal.
When practical application, compacting structure 20 can be arranged on lid 203 or the casing 205, for example, compacting structure 20 can be arranged on the casing 205, and lid 203 is provided with a flange 32, wherein, the position that is provided with of flange 32 is the positions that are provided with respect to compacting structure 20, by this, and when lid 203 and casing 205 are closed, be arranged on flange 32 on the lid 203 and will oppress compacting structure 20 on the casing 205, and make accommodation space 201 become a confined space.Certainly, also the be provided with place-exchange of compacting structure 20 with flange 32 for example, can be arranged on flange 32 on the casing 205, and compacting structure 20 is arranged on the lid 203, and make electromagnetic screen 300 have the function of isolated aqueous vapor, air and electromagnetic riveting machine signal.
Shown in Fig. 5 A and Fig. 5 B, in the utility model embodiment, mainly be that compacting structure 20 is arranged on the casing 205, in the process of lid 203 and casing 205 closures, compacting structure 20 can move closer to lid 203, shown in Fig. 5 A.
When lid 203 with after compacting structure 20 contacts, lid 203 and casing 205 will cause extruding to compacting structure 20, and cause compacting structure 20 to produce distortion, shown in Fig. 5 B.Owing to comprise that one can produce the internal layer unit 23 and the hollow bulb 21 of deformation in the compacting structure 20, therefore, when compacting structure 20 bore extraneous pressure, compacting structure 20 will produce deformation, and made casing 205 inside form confined spaces.
In addition, the outer complete packet still in the internal layer unit 23 of compacting structure 20 are covered with outer unit 25, and outer unit 25 also has the structure of deformation behavior, when the stressed generation deformation in internal layer unit 23, the shape of outer unit 25 also can change thereupon, and intactly is coated on the surface of internal layer unit 23.By this, when lid 203 and casing 205 closures, outer unit 25 can completely cut off extraneous electromagnetic riveting machine signal, and improve the shield effectiveness of electromagnetic screen 200.
When practical application, the shape of compacting structure 20 sections can be adjusted, produce the direction of deformation with control compacting structure 20 by this, for example, when the section of compacting structure 20 when being square, the width W 1 that can make compacting structure 20 sections is greater than height H 1, and makes the mode of compacting structure 20 shown in Fig. 5 B produce deformation.Control by compacting structure 20 deformation modes, can make compacting structure 20 intactly be attached between lid 203 and the casing 205, be beneficial to the formation of confined space, in addition, also can avoid compacting structure 20 in the process of deformation, to produce abnormal distortion, to improve the service life of compacting structure 20.
In addition, but the also change of the section shape of hollow bulb 21, and with the direction of control compacting structure 20 deformation, for example, in the utility model embodiment, the section of hollow bulb 21 is oval, and the width W 2 of hollow bulb 21 sections is greater than height H 2.Certainly, in different embodiment, the section of compacting structure 20, outer unit 25, internal layer unit 23, hollow bulb 21 all can be various geometries, geometry such as for example square, circular, ellipse or polygon.
The utility model has the advantages that: the utility model compacting structure can be applicable on the electromagnetic screen, this The utility model compacting structure can make the inner airtight accommodation space that forms of electromagnetic screen, also can make simultaneously The accommodation space of electromagnetic screen is isolated with extraneous air, aqueous vapor and electromagnetic riveting machine signal, has good electricity The magnetic screen effect is measured thereby the user can carry out in accommodation space inside the electrical characteristic of electronic installation.
Claims (9)
1, a kind of electromagnetic screen compacting structure is characterized in that it comprises:
One internal layer unit, this internal layer unit is made by the material with deformation behavior;
One hollow bulb, this hollow bulb are arranged in this internal layer unit;
One outer unit, this skin unit are arranged at this outside, internal layer unit, and are made by the material with conductive characteristic.
2, compacting structure according to claim 1 is characterized in that: described internal layer unit is silica gel or rubber.
3, compacting structure according to claim 1 is characterized in that: described outer unit is made by metal material.
4, compacting structure according to claim 3 is characterized in that: described outer unit is any in metal web, metal coated or the conducting foam.
5, compacting structure according to claim 1 is characterized in that: the width of described compacting structure section is greater than height.
6, compacting structure according to claim 1 is characterized in that: the width of described hollow bulb section is greater than height.
7, compacting structure according to claim 1 is characterized in that: the section of described internal layer unit is any in square, circular, ellipse or the polygon.
8, compacting structure according to claim 1 is characterized in that: the section of described hollow bulb is any in square, circular, ellipse or the polygon.
9, compacting structure according to claim 1 is characterized in that: the shape of the shape of described outer unit and described internal layer unit is suitable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201072223U CN201174858Y (en) | 2008-04-07 | 2008-04-07 | Tensioning arrangement for electromagnetic shielding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201072223U CN201174858Y (en) | 2008-04-07 | 2008-04-07 | Tensioning arrangement for electromagnetic shielding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201174858Y true CN201174858Y (en) | 2008-12-31 |
Family
ID=40201989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201072223U Expired - Fee Related CN201174858Y (en) | 2008-04-07 | 2008-04-07 | Tensioning arrangement for electromagnetic shielding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201174858Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103313585A (en) * | 2013-05-24 | 2013-09-18 | 深圳市鸿富诚屏蔽材料有限公司 | Conductive foam and preparation method thereof |
| CN104378964A (en) * | 2014-12-09 | 2015-02-25 | 成都国蓉科技有限公司 | Electromagnetic compatibility shield compartment |
| CN103313585B (en) * | 2013-05-24 | 2016-11-30 | 深圳市鸿富诚屏蔽材料有限公司 | A kind of conducting foam and preparation method thereof |
-
2008
- 2008-04-07 CN CNU2008201072223U patent/CN201174858Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103313585A (en) * | 2013-05-24 | 2013-09-18 | 深圳市鸿富诚屏蔽材料有限公司 | Conductive foam and preparation method thereof |
| CN103313585B (en) * | 2013-05-24 | 2016-11-30 | 深圳市鸿富诚屏蔽材料有限公司 | A kind of conducting foam and preparation method thereof |
| CN104378964A (en) * | 2014-12-09 | 2015-02-25 | 成都国蓉科技有限公司 | Electromagnetic compatibility shield compartment |
| CN104378964B (en) * | 2014-12-09 | 2017-07-07 | 成都国蓉科技有限公司 | Electromagnetic compatibility shielding cabin |
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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: 20081231 Termination date: 20110407 |