CN212436114U - Electromagnetic shielding strip for machine cabinet - Google Patents
Electromagnetic shielding strip for machine cabinet Download PDFInfo
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- CN212436114U CN212436114U CN202021737262.3U CN202021737262U CN212436114U CN 212436114 U CN212436114 U CN 212436114U CN 202021737262 U CN202021737262 U CN 202021737262U CN 212436114 U CN212436114 U CN 212436114U
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Abstract
The utility model relates to an electromagnetic shielding strip for rack, include the main part and locate two elastic sealing spare of main part both sides respectively, the main part includes the conductive rubber strip and is used for fixing the conductive gum to on the rack frame stand with the conductive rubber strip, the inboard surface that the conductive rubber strip was located to the conductive gum is on, and the conductive rubber strip is except setting up the part of conductive gum and part and connecting elastic sealing spare, all the other parts cover has electrically conductive cloth, elastic sealing spare includes the electrically conductive cloth in the elastomer and the elastomer outside, and electrically conductive cloth on the conductive rubber strip and the elastomer switches on, the electromagnetic shielding strip is fixed in on the rack frame stand after, two elastic sealing spare contact and seal with the preceding/back plate and the left/right side board contact of rack respectively. Compared with the prior art, the utility model discloses assemble into a whole with conductive rubber strip, electrically conductive gum and electrically conductive cloth, improved the fixed efficiency of installation to combine the electrically conductive cloth of elastic sealing element and its surface, can improve electromagnetic shield effect.
Description
Technical Field
The utility model belongs to the technical field of the railway communication and specifically relates to an electromagnetic shielding strip for rack is related to.
Background
The production cabinet in the railway signal field generally adopts an electromagnetic shielding cabinet to store control equipment such as signals, communication and the like, and can provide protection for the storage equipment and interference of electromagnetic shielding. The equipment is orderly and orderly arranged, and the equipment maintenance is convenient. In the prior art, for meeting the use requirement, the cabinet with a frame type structure adopts an aluminum-coated zinc plate to stick a rectangular electromagnetic shielding strip to ensure that the cabinet is conducted with a frame to achieve a shielding effect. This approach has the following disadvantages: 1. the cabinet is adhered with the front door, the rear door, the side door plate and the top and the bottom of the cabinet by using the rectangular electromagnetic shielding strips, so that the cost of the cabinet is increased; 2. the shielding strip is pasted on the door plate, and the periphery is coated or pasted with a circle of electromagnetic shielding material, so that the operation process is complex, and time and labor are wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electromagnetic shielding strip for rack, assemble into a whole with conductive rubber strip, conductive gum and conductive cloth, improved the fixed efficiency of installation to combine the conductive cloth of elastic sealing element and its surface, can improve electromagnetic shield effect.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides an electromagnetic shielding strip for rack, includes the main part and locates two elastic sealing spare of main part both sides respectively, the main part includes the conductive rubber strip and is used for fixing the conductive gum to rack frame stand with the conductive rubber strip, the inboard surface that the conductive rubber strip was located to the conductive gum is on, and the conductive rubber strip has the conductive cloth except the part that sets up conductive gum and part and connect elastic sealing spare, the rest part covers, elastic sealing spare includes the conductive cloth in the elastomer and the elastomer outside, and the conductive cloth on the conductive rubber strip and the conductive cloth on the elastomer switch on, the electromagnetic shielding strip is fixed in rack frame stand and goes up the back, and two elastic sealing spare contact and seal with the preceding/back plate and the left/right side board of rack respectively.
Furthermore, the conductive back adhesive is completely attached to the mounting surface.
Furthermore, elastic sealing element locates on the outside surface of conductive rubber strip, and is equipped with the cavity body between elastic sealing element and the main part.
Furthermore, the cavity body is a semicircular cavity body.
Furthermore, two sides of the electric rubber strip are in a hook shape, and the concave part faces the inner side surface direction of the conductive rubber strip.
Further, the contact surface of the elastic sealing element and the front/rear plate or the left/right side plate of the cabinet is arc-shaped.
Furthermore, the conductive rubber strip is internally provided with a reinforcing rib.
Furthermore, the two reinforcing ribs are symmetrically arranged on two sides in the conductive rubber strip.
Still further, the cross section of the reinforcing rib is polygonal.
Further, the elastomer is foam cotton.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the conductive rubber strip, the conductive back glue and the conductive cloth are assembled into a whole, so that the mounting and fixing efficiency is improved, and the electromagnetic shielding effect can be improved by combining the elastic sealing piece and the conductive cloth on the outer surface of the elastic sealing piece.
2. The conductive back adhesive is completely attached to the installation surface and the cabinet section bar in a large area, so that the electromagnetic shielding effect is improved.
3. The both sides of conductive rubber strip are hook-like, and elastic sealing element's contact surface is the arc, and elastic sealing element locates on conductive rubber strip's the outside surface, and is equipped with the cavity body between elastic sealing element and the main part, improves area of contact to improve electromagnetic shield effect.
4. The cross section of the reinforcing rib is polygonal, so that relative rotation is not easy to occur, and the reinforcing rib is not easy to fall off.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the application state of the present invention;
wherein: 1. the conductive rubber strip comprises a conductive rubber strip 2, conductive cloth 3, a conductive back adhesive 4, a first contact surface 5, a first convex circular surface 6 and a second convex circular surface; 7. elastomer, 8, reinforcing rib, 9, cavity body, 10, electromagnetic shielding strip, 11, stand, 12, curb plate, 13, preceding/back plate.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
The utility model provides an electromagnetic shielding strip for rack, as shown in fig. 1 and fig. 2, include the main part and locate two elastic sealing spare of main part both sides respectively, the main part includes conductive rubber strip 1 and is used for fixing conductive rubber strip 1 to the electrically conductive gum 3 on the rack frame stand, conductive gum 3 locates on the inboard surface of conductive rubber strip 1, and conductive rubber strip 1 except setting up conductive gum 3 and part and the part of connecting elastic sealing spare, other parts cover has electrically conductive cloth 2, conductive gum 3 constitutes the first contact surface 4 of electromagnetic shielding strip. The elastic sealing elements comprise elastic bodies 7 and conductive cloth 2 on the outer sides of the elastic bodies 7, the conductive cloth 2 on the conductive rubber strips 1 is conducted with the conductive cloth 2 on the elastic bodies 7, and after the electromagnetic shielding strips are fixed on the stand columns of the rack frame, the two elastic sealing elements are respectively contacted and sealed with the front/rear plate 13 and the left/right side plate 12 of the rack. Wherein, the elastic body 7 is foam.
The conductive rubber strip, the conductive back glue and the conductive cloth are assembled into a whole, so that the mounting and fixing efficiency is improved, and the electromagnetic shielding effect can be improved by combining the elastic sealing piece and the conductive cloth on the outer surface of the elastic sealing piece.
The conductive back adhesive 3 is completely attached to the installation surface and completely attached to the stand column 11 of the cabinet in a large area, so that the electromagnetic shielding effect is improved, wherein the stand column 11 is made of a section bar.
The elastic sealing element is arranged on the outer side surface of the conductive rubber strip 1, and a cavity body 9 is arranged between the elastic sealing element and the main body. The cavity 9 is a semicircular cavity 9. The two sides of the electric rubber strip 1 are hook-shaped, and the concave part faces to the inner side surface direction of the electric rubber strip 1. The elastic sealing element is arc-shaped with the contact surface of the front/back plate 13 or the left/right side plate 12 of the cabinet, and is used for tightening the side plate or the front/back plate to improve the contact area, thereby improving the electromagnetic shielding effect and additionally improving the sealing effect. The surfaces of the two resilient sealing members form a first convex circular surface 5 and a second convex circular surface 6, respectively.
The conductive rubber strip 1 is internally provided with a reinforcing rib 8. The two reinforcing ribs 8 are symmetrically arranged on two sides in the conductive rubber strip 1. The cross section of the reinforcing rib 8 is polygonal, but not conventional circular, and relative rotation is not easy to occur, so that the reinforcing rib is not easy to fall off.
The first contact surface 4 of the electromagnetic shielding strip 10 is completely attached to the cabinet section in a large area, the electromagnetic shielding strip 10 is combined into a whole through the conductive back adhesive 3, and the electromagnetic shielding strip 10 can be integrally installed on a cabinet frame through one-time adhesion, so that the working efficiency is greatly improved, and the assembly cost is reduced; a semi-circular cavity is formed inside the first convex circular surface 5 and is used for tightening the side door plate, so that the contact area between the shielding strip and the side plate is increased, and the shielding efficiency of the cabinet is effectively improved; the inside semicircle cavity that constitutes of second convex circular surface 6 for the design is tightened up to front and back door plant, makes electromagnetic shield strip and front and back board area of contact increase, guarantees that the shielding effectiveness of rack obtains effectively promoting.
Claims (10)
1. An electromagnetic shielding strip for a machine cabinet is characterized by comprising a main body and two elastic sealing pieces respectively arranged at two sides of the main body, the main body comprises a conductive rubber strip (1) and a conductive back adhesive (3) used for fixing the conductive rubber strip (1) on a stand column of a cabinet frame, the conductive back glue (3) is arranged on the inner side surface of the conductive rubber strip (1), besides the conductive back glue (3), part of the conductive rubber strip (1) and the part connected with the elastic sealing element, the other part is covered with the conductive cloth (2), the elastic sealing element comprises an elastic body (7) and the conductive cloth (2) at the outer side of the elastic body (7), and the conductive cloth (2) on the conductive rubber strip (1) is conducted with the conductive cloth (2) on the elastic body (7), and after the electromagnetic shielding strip is fixed on the stand column of the cabinet frame, the two elastic sealing pieces are respectively contacted and sealed with the front/rear plate and the left/right side plate of the cabinet.
2. Electromagnetic shielding strip for cabinets according to claim 1, characterized in that said conductive adhesive backing (3) is completely conformed to the installation surface.
3. Electromagnetic shielding strip for machine cabinets according to claim 1, characterized in that said elastic sealing is provided on the outer side surface of the conductive rubber strip (1), and a cavity (9) is provided between the elastic sealing and the main body.
4. Electromagnetic shielding strip for cabinets according to claim 3, characterized in that said hollow cavity (9) is a semicircular hollow cavity (9).
5. Electromagnetic shielding strip for cabinets according to claim 1, characterized in that the two sides of the said strip (1) are hook-shaped and the recess is towards the inner surface of the strip (1).
6. The electromagnetic shielding strip for machine cabinet as claimed in claim 1, wherein the contact surface of said elastic sealing member with the front/rear panel or the left/right side panel of the machine cabinet is arc-shaped.
7. Electromagnetic shielding strip for cabinets according to claim 1, characterized in that reinforcing ribs (8) are provided in said conductive rubber strip (1).
8. The electromagnetic shielding strip for the machine cabinet as claimed in claim 7, wherein two reinforcing ribs (8) are arranged symmetrically on two sides in the conductive rubber strip (1).
9. Electromagnetic shielding strip for cabinets according to claim 8, characterized in that said reinforcing ribs (8) have a polygonal cross-section.
10. Electromagnetic shielding strip for cabinets according to claim 1, characterized in that said elastomer (7) is a foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021737262.3U CN212436114U (en) | 2020-08-19 | 2020-08-19 | Electromagnetic shielding strip for machine cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021737262.3U CN212436114U (en) | 2020-08-19 | 2020-08-19 | Electromagnetic shielding strip for machine cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212436114U true CN212436114U (en) | 2021-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021737262.3U Active CN212436114U (en) | 2020-08-19 | 2020-08-19 | Electromagnetic shielding strip for machine cabinet |
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| CN (1) | CN212436114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114080125A (en) * | 2020-08-19 | 2022-02-22 | 上海铁路通信有限公司 | Electromagnetic shielding strip for machine cabinet |
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2020
- 2020-08-19 CN CN202021737262.3U patent/CN212436114U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114080125A (en) * | 2020-08-19 | 2022-02-22 | 上海铁路通信有限公司 | Electromagnetic shielding strip for machine cabinet |
| WO2022037214A1 (en) * | 2020-08-19 | 2022-02-24 | 上海铁路通信有限公司 | Electromagnetic shielding tape for cabinet |
| CN114080125B (en) * | 2020-08-19 | 2024-07-02 | 上海铁路通信有限公司 | Electromagnetic shielding strip for cabinet |
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