CN213803608U - Concatenation type parcel bubble is cotton - Google Patents
Concatenation type parcel bubble is cotton Download PDFInfo
- Publication number
- CN213803608U CN213803608U CN202022374694.9U CN202022374694U CN213803608U CN 213803608 U CN213803608 U CN 213803608U CN 202022374694 U CN202022374694 U CN 202022374694U CN 213803608 U CN213803608 U CN 213803608U
- Authority
- CN
- China
- Prior art keywords
- layer
- foam
- adhesive
- wrapping
- conductive
- 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.)
- Active
Links
Images
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model provides a concatenation type parcel bubble is cotton, include: a cover, a semi-broken elastic layer and a gum; the semi-breaking elastic layer is arranged between the covering and the gum. The splicing opening formed by the half-breaking position of the half-breaking elastic layer in the splicing type wrapping foam is utilized to change the direction, so that the splicing type wrapping foam cannot be extruded and stretched when being bent or turned to be pasted, the bending surface of the splicing type wrapping foam cannot be wrinkled, the extrusion of the foam in the splicing type wrapping foam is avoided, and the electrical performance and the mechanical performance of the splicing type wrapping foam are maintained. Meanwhile, the shielding effectiveness of the splicing type wrapping foam can be improved by connecting the covering object of the semi-breaking elastic layer, and the splicing type wrapping foam can obtain certain deformation capacity due to the flexibility and toughness of the covering object, so that the splicing type wrapping foam cannot be damaged during assembly.
Description
Technical Field
The utility model relates to a cotton technical field of parcel bubble especially relates to a concatenation type parcel bubble is cotton.
Background
Electromagnetic waves may be emitted from the circuitry of an electronic device through the atmosphere or transmitted through wires. Various electromagnetic waves generated by a circuit of the electronic equipment can cause electromagnetic interference, possibly cause the performance of peripheral electronic equipment to be reduced, cause the electronic equipment to generate noise, damage electronic imaging, reduce the service life of the electronic equipment and the like, and finally cause the electronic equipment to be out of order. In addition, electromagnetic interference may also have adverse effects on the human body, the natural environment, and the like.
In the related fields of electronics, communications, medical treatment, etc., various filling materials with electromagnetic interference shielding are generally used to fill gaps inside electronic devices, so as to reduce the leakage of electromagnetic waves and reduce the harm of electromagnetic interference. The wrapping foam is the most widely applied electromagnetic shielding material, and has the advantages of excellent conductivity, good shielding efficiency, controllable compression rebound stress and the like. Wrapping the foam is usually done by wrapping the foam in a substrate with or without an adhesive by a wrapping machine to produce a finished strip. The adhesive comprises conductive pressure-sensitive adhesive, hot melt adhesive and the like, and the foam comprises PU (polyurethane) foam; rubber; silica gel foam and the like, and the base material is provided with conductive cloth; copper foil; aluminum foil; conductive PI (polyimide film) films; a PI film; graphite; mylar, and the like.
Pure strip-shaped wrapped foam is usually attached to a single linear assembly application scene. However, with the development of electronic devices, the internal structure thereof has become increasingly complex, and many application scenarios of non-single linear assembly, such as loop mounting, corner climbing mounting, mosaic mounting, and the like, have appeared. However, when the original pure strip-shaped wrapping foam is bent or turned for mounting, the surface of the wrapping foam is wrinkled, and meanwhile, the inner foam is extruded, so that the electrical property and the mechanical property of the wrapping foam are influenced, and the wrapping foam cannot be applied to the application scene of non-single linear assembly, and therefore the market demand of electronic equipment with a complex structure cannot be met.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been made in order to provide a spliced wrapped foam that overcomes or at least partially solves the above problems.
In order to solve the problem, the utility model discloses a concatenation type parcel bubble is cotton, include: a cover, a semi-broken elastic layer and a gum; the semi-breaking elastic layer is arranged between the covering and the gum.
Preferably, the covering comprises a first conductive cloth and a first glue layer; one side of the first adhesive layer is connected with the first conductive cloth, and one side of the first adhesive layer, which is far away from the first conductive cloth, is connected with the semi-breaking elastic layer.
Preferably, the first conductive cloth comprises a first base material and a first plating layer plated on the surface of the first base material;
the first base material is polyester fiber cloth;
the first plating layer comprises a copper layer and a nickel layer which are plated on the first base material in sequence;
or the first plating layer comprises a copper layer and a tin layer which are plated on the first base material in sequence;
or the first plating layer comprises a copper layer, a nickel layer and a tin layer which are plated on the first base material in sequence;
the total thickness of the first plating layer is 3-8 mu m.
Preferably, the mesh number of the first conductive cloth is 280-400 meshes, and the total thickness is 0.05-0.10 mm.
Preferably, the thickness of the first adhesive layer is 0.015-0.04 mm;
the first adhesive layer is a first conductive pressure-sensitive adhesive; the metal particles in the first conductive pressure-sensitive adhesive are one or more of nickel, silver and gold.
Preferably, the semi-breaking type elastic layer comprises a wrapping layer and elastic foam, and the wrapping layer is connected with the elastic foam through an adhesive;
the adhesive is a hot melt adhesive, a conductive pressure-sensitive adhesive or a pressure-sensitive adhesive;
the elastic foam is conductive foam, flame-retardant polyurethane foam, silica gel foam or rubber; the elastic foam is of a hollow, open-cell or closed-cell structure; the cross section of the elastic foam is rectangular, square, triangular, C-shaped, hat-shaped or D-shaped;
the wrapping layer is wrapped on the outer surface of the elastic foam and is made of conductive cloth, a conductive PI film or graphite.
Preferably, the cut angle of the half-broken part of the half-broken elastic layer is 30-150 degrees.
Preferably, the back adhesive is a double-sided adhesive tape of conductive cloth; the conductive cloth double-sided tape comprises a second adhesive layer, a second conductive cloth and a third adhesive layer which are sequentially connected; one surface of the second adhesive layer, which is far away from the second conductive cloth, is connected with the semi-broken elastic layer;
the total thickness of the second conductive cloth is 0.016-0.10 mm;
the second conductive cloth comprises a second base material and a second plating layer plated on the surface of the second base material;
the second base material is polyester fiber cloth;
the second plating layer comprises a copper layer and a nickel layer which are sequentially plated on the second base material, and the total thickness of the second plating layer is 3-8 mu m.
Preferably, the thickness of the second adhesive layer and the third adhesive layer is 0.005-0.04 mm, and the second adhesive layer and the third adhesive layer are both conductive pressure-sensitive adhesives.
Preferably, the metal particles in the conductive pressure sensitive adhesive are one or more of nickel, silver and gold.
The utility model discloses a following advantage:
the splicing opening formed by the half-breaking position of the half-breaking elastic layer in the splicing type wrapping foam is utilized to change the direction, so that the splicing type wrapping foam cannot be extruded and stretched when being bent or turned to be pasted, the bending surface of the splicing type wrapping foam cannot be wrinkled, the extrusion of the foam in the splicing type wrapping foam is avoided, and the electrical performance and the mechanical performance of the splicing type wrapping foam are maintained.
Meanwhile, the shielding effectiveness of the splicing type wrapping foam can be improved by connecting the covering object of the semi-breaking elastic layer, and the splicing type wrapping foam can obtain certain deformation capacity due to the flexibility and toughness of the covering object, so that the splicing type wrapping foam cannot be damaged during assembly.
Drawings
FIG. 1 is a schematic overall cross-sectional view of a spliced wrapped foam of the present invention;
FIG. 2 is a schematic cross-sectional view of a covering in a spliced wrapped foam of the present invention;
FIG. 3 is a schematic cross-sectional view of a half-broken elastic layer in a spliced wrapped foam of the present invention;
FIG. 4 is a schematic cross-sectional view of a back adhesive in a piece-packed foam of the present invention;
FIG. 5 is a schematic structural view of a half-broken elastic layer in a spliced wrapped foam of the present invention;
fig. 6 is a schematic view of the overall structure of the spliced wrapping foam of the present invention.
Fig. 7 is a schematic view of the overall structure of the spliced wrapping foam of the present invention.
The reference numbers in the drawings of the specification are as follows:
1. a cover; 2. a semi-broken elastic layer; 3. a gum material; 11. a first conductive cloth; 12. a first glue layer; 21. a wrapping layer; 22. elastic foam; 23. a binder; 31. a second adhesive layer; 32. a second conductive cloth; 33. and a third adhesive layer.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 to 7, wherein fig. 1 shows the utility model discloses a cotton whole section schematic diagram of concatenation type parcel bubble specifically can include: the device comprises a cover 1, a half-broken elastic layer 2 and a gum 3; the half-broken elastic layer 2 is arranged between the cover 1 and the gum 3. The embodiment of this application changes the direction through disclosing the concatenation mouth that utilizes half to beat the disconnected department formation of formula elastic layer 2 in the concatenation type parcel bubble is cotton for concatenation type parcel bubble is cotton can not take place to extrude and stretch when carrying out crooked or diversion dress, consequently the fold phenomenon can not appear in its crooked surface, has also avoided the cotton emergence of inside bubble to extrude simultaneously, has maintained the cotton electrical properties and the mechanical properties of concatenation type parcel bubble.
Meanwhile, the shielding effectiveness of the splicing type wrapping foam can be improved by the covering object 1 connected with the semi-breaking elastic layer 2, and certain deformability can be obtained by the shape structure of the splicing type wrapping foam due to the flexibility and toughness of the covering object 1, so that the shape structure of the splicing type wrapping foam cannot be damaged during assembly.
A splice wrap foam of the present exemplary embodiment will be further described below.
As an example, the cover 1 comprises a first conductive cloth 11 and a first glue layer 12; one side of the first adhesive layer 12 is connected with the first conductive cloth 11 by adhesive, and the side of the first adhesive layer 12 far away from the first conductive cloth 11 is connected with the semi-broken elastic layer 2 by adhesive.
Specifically, the first conductive fabric 11 includes a first base material and a first plating layer plated on a surface of the first base material; the first base material can be polyester fiber cloth, and the first plating layer can comprise a copper layer and a nickel layer which are sequentially plated on the first base material; or comprises a copper layer and a tin layer which are sequentially plated on the first base material; or the copper layer, the nickel layer and the tin layer are sequentially plated on the first base material, and the plated layer has a good anti-oxidation effect; the total thickness of the first plating layer is 3 to 8 μm. It should be noted that the appearance texture of the first conductive fabric 11 may be a plain texture or a grid texture. The surface of the conductive cloth with the plain weave is smooth, the friction coefficient is small, and friction is reduced when a finished product is assembled; the conductive cloth with the grid lines has the advantage of friction resistance, and a plating layer is not easy to scratch when a finished product is assembled.
In the embodiment, the mesh number of the first conductive cloth 11 is 280 to 400 meshes, and the total thickness is 0.05 to 0.10 mm. It should be noted that if the first conductive cloth 11 is too thin, the glue leakage phenomenon is likely to occur; wherein, the mesh refers to the number of holes per inch of the screen, 50 meshes refers to 50 holes per inch, 500 meshes refers to 500 holes per inch, and the higher the mesh number is, the denser the weaving warp and weft density is. The thickness of the first adhesive layer 12 is 0.015-0.04 mm. The first adhesive layer 12 is a first conductive pressure-sensitive adhesive, which is a conductive pressure-sensitive adhesive, and can increase the shielding effectiveness of the spliced wrapping foam, and the metal particles in the first conductive pressure-sensitive adhesive are one or more of nickel, silver and gold. Meanwhile, the first adhesive layer 12 may also be a pressure sensitive adhesive.
It should be noted that, the covering 1 is matched with the half-broken elastic layer 2, the adhesive of the covering is connected with the half-broken elastic layer 2, the shielding effectiveness of the splicing type wrapping foam can be improved, and meanwhile, due to the flexibility and toughness of the conductive cloth in the covering 1, the splicing type wrapping foam has certain deformation capacity in shape structure, and the shape structure cannot be damaged during assembly.
In this embodiment, the half-broken elastic layer 2 includes a wrapping layer 21 and an elastic foam 22, and the wrapping layer 21 is adhesively connected to the elastic foam 22 by an adhesive 23. Wherein the adhesive 23 can be a hot melt adhesive, an electrically conductive pressure sensitive adhesive or a pressure sensitive adhesive; the elastic foam 22 can be conductive foam, flame-retardant polyurethane foam, silica gel foam or rubber; the elastic foam 22 can be hollow, open-cell or closed-cell; the cross section of the elastic foam 22 can be rectangular, square, triangular, C-shaped, hat-shaped or D-shaped; wherein, the C-shaped structure can release the compressive force from the cotton section of hourglass bubble when compressing to reduce the compressive force. The wrapping layer 21 is wrapped on the outer surface of the elastic foam 22, and the wrapping layer 21 can be conductive cloth, conductive PI film or graphite.
Specifically, the half-breaking elastic layer 2 is subjected to half-breaking treatment by using blanking equipment according to requirements, the cut angle of the half-breaking part is 30-150 degrees, and when the angle is 90 degrees, a right-angle structure formed by the half-breaking elastic layer is beneficial to stability during butt joint; it should be noted that the configuration of the half-cut of the half-cut elastic layer 2 is preferably triangular because it better abuts the other half-cut when the cover 1 is spliced and attached. It should be noted that the splicing opening formed at the half-broken position is utilized to change the direction, so that the splicing type wrapping foam cannot be extruded and stretched when being bent or subjected to turning mounting, and therefore, the bending surface of the splicing type wrapping foam cannot be wrinkled, the extrusion of the foam inside the splicing type wrapping foam is avoided, and the electrical property and the mechanical property of the splicing type wrapping foam are maintained.
In the embodiment, the back adhesive 3 may be a conductive cloth double-sided tape or a conductive pressure-sensitive adhesive; wherein preferred electrically conductive cloth double-sided tape because for electrically conductive pressure sensitive adhesive, electrically conductive cloth double-sided tape has compliance and toughness, consequently when the gum for the shape structure of concatenation type parcel bubble cotton obtains certain deformability, and the shape structure can not take place to damage when the equipment. And the gum 3 is subjected to blanking processing by a blanking device so as to be matched with the half-breaking elastic layer 2.
It should be noted that, when the conductive double-sided tape is selected as the back adhesive 3, the conductive double-sided tape includes a second adhesive layer 31, a second conductive cloth 32, and a third adhesive layer 33, which are connected in sequence; one surface of the second adhesive layer 31, which is far away from the second conductive cloth 32, is connected with the semi-broken elastic layer 2 in a gluing mode; wherein the total thickness of the second conductive cloth 32 is 0.016-0.10 mm;
the second conductive cloth 32 comprises a second base material and a second plating layer plated on the surface of the second base material; the second substrate may be a polyester fabric, specifically, a plain cloth or a non-woven cloth, wherein when the non-woven cloth is used, the total thickness of the second conductive cloth 32 may be made as an extremely thin degree of 0.016 mm.
The second plating layer comprises a copper layer and a nickel layer which are plated on the second base material in sequence, and the total thickness of the second plating layer is 3-8 mu m.
In this embodiment, the thicknesses of the second adhesive layer 31 and the third adhesive layer 33 are both 0.005-0.04 mm, and the second adhesive layer 31 and the third adhesive layer 33 are both conductive pressure-sensitive adhesives which can increase the shielding effectiveness of the splicing type wrapping foam. Wherein, the metal particles in the conductive pressure-sensitive adhesive are one or more of nickel, silver and gold. It should be noted that the second adhesive layer 31 and the third adhesive layer 33 can also be pressure sensitive adhesive.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The splicing wrapping foam provided by the utility model is introduced in detail, and the principle and the implementation mode of the utility model are explained by applying specific examples, and the explanation of the above examples is only used for helping to understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (9)
1. The utility model provides a concatenation type parcel bubble is cotton which characterized in that includes: a cover, a semi-broken elastic layer and a gum; the semi-breaking elastic layer is arranged between the covering and the gum.
2. The spliced wrapping foam according to claim 1, wherein the covering comprises a first conductive cloth and a first glue layer; one side of the first adhesive layer is connected with the first conductive cloth, and one side of the first adhesive layer, which is far away from the first conductive cloth, is connected with the semi-breaking elastic layer.
3. The spliced wrapping foam according to claim 2, wherein the first conductive cloth comprises a first base material and a first plating layer plated on the surface of the first base material;
the first base material is polyester fiber cloth;
the first plating layer comprises a copper layer and a nickel layer which are plated on the first base material in sequence;
or the first plating layer comprises a copper layer and a tin layer which are plated on the first base material in sequence;
or the first plating layer comprises a copper layer, a nickel layer and a tin layer which are plated on the first base material in sequence;
the total thickness of the first plating layer is 3-8 mu m.
4. The spliced wrapping foam according to claim 2, wherein the mesh number of the first conductive cloth is 280-400 meshes, and the total thickness is 0.05-0.10 mm.
5. The spliced wrapping foam according to claim 2, wherein the thickness of the first adhesive layer is 0.015-0.04 mm;
the first adhesive layer is a first conductive pressure-sensitive adhesive.
6. The spliced wrapping foam according to claim 1, wherein the semi-broken elastic layer comprises a wrapping layer and elastic foam, and the wrapping layer is connected with the elastic foam through an adhesive;
the adhesive is a hot melt adhesive, a conductive pressure-sensitive adhesive or a pressure-sensitive adhesive;
the elastic foam is conductive foam, flame-retardant polyurethane foam, silica gel foam or rubber; the elastic foam is of a hollow, open-cell or closed-cell structure; the cross section of the elastic foam is rectangular, square, triangular, C-shaped, hat-shaped or D-shaped;
the wrapping layer is wrapped on the outer surface of the elastic foam and is made of conductive cloth, a conductive PI film or graphite.
7. The spliced wrapping foam according to claim 1, wherein the cut angle at the half-broken position of the half-broken elastic layer is 30-150 °.
8. The spliced wrapping foam according to claim 1, wherein the adhesive backing is a conductive cloth double-sided tape; the conductive cloth double-sided tape comprises a second adhesive layer, a second conductive cloth and a third adhesive layer which are sequentially connected; one surface of the second adhesive layer, which is far away from the second conductive cloth, is connected with the semi-broken elastic layer;
the total thickness of the second conductive cloth is 0.016-0.10 mm;
the second conductive cloth comprises a second base material and a second plating layer plated on the surface of the second base material;
the second base material is polyester fiber cloth;
the second plating layer comprises a copper layer and a nickel layer which are plated on the second base material in sequence; the total thickness of the second plating layer is 3-8 mu m.
9. The spliced wrapping foam according to claim 8, wherein the thicknesses of the second adhesive layer and the third adhesive layer are both 0.005-0.04 mm; the second adhesive layer and the third adhesive layer are both conductive pressure-sensitive adhesives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022374694.9U CN213803608U (en) | 2020-10-22 | 2020-10-22 | Concatenation type parcel bubble is cotton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022374694.9U CN213803608U (en) | 2020-10-22 | 2020-10-22 | Concatenation type parcel bubble is cotton |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213803608U true CN213803608U (en) | 2021-07-27 |
Family
ID=76961043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022374694.9U Active CN213803608U (en) | 2020-10-22 | 2020-10-22 | Concatenation type parcel bubble is cotton |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213803608U (en) |
-
2020
- 2020-10-22 CN CN202022374694.9U patent/CN213803608U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100774441B1 (en) | Conductive adhesive tape | |
| CN107554017A (en) | Flexible compound film and preparation method thereof and display device | |
| CN213803608U (en) | Concatenation type parcel bubble is cotton | |
| JP2012104714A (en) | Emi gasket | |
| CN219678785U (en) | Flexible circuit board with circuit anti-interference structure | |
| JP5247315B2 (en) | Translucent electromagnetic shielding plate | |
| CN107785098A (en) | A kind of wire with fixed structure | |
| JP3526825B2 (en) | Gasket for electromagnetic wave shielding | |
| JP3463253B2 (en) | Transparent synthetic resin plate having electromagnetic wave shielding effect and method for producing the same | |
| JP2012128991A (en) | Flexible flat cable | |
| KR200446337Y1 (en) | Elastic conductive interface member | |
| CN108040456A (en) | Fingerprint recognition conducting foam | |
| JP2590341Y2 (en) | Electromagnetic wave shielding gasket | |
| JP2003069284A (en) | Electromagnetic shielding wave material and manufacturing method therefor | |
| CN207652899U (en) | Fingerprint recognition conducting foam | |
| CN217025839U (en) | High-performance wave-absorbing shielding adhesive tape | |
| JPS6382000A (en) | Electromagnetic shielding wall cladding material and method of its application | |
| CN216786029U (en) | Modified polyurethane hot melt adhesive tape | |
| CN216073649U (en) | Foam back adhesive for shielding electromagnetic waves | |
| JP3794758B2 (en) | Manufacturing method of irregular profile conductor | |
| JPH09321485A (en) | Electromagnetic wave shielding sheet | |
| JPH07115291A (en) | Electromagnetic wave shielding laminated sheet | |
| CN205161025U (en) | A electrically conductive bubble is cotton for network rack | |
| JP2534361Y2 (en) | EMI shielding planar gasket for connector | |
| JP3097343B2 (en) | Thin radio wave absorber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211125 Address after: 213000 No. 139, Huaye Road, Jintan District, Changzhou City, Jiangsu Province Patentee after: Changzhou feirongda Electronic Material Co.,Ltd. Address before: 518000 Building 1, 2 and 3, feirongda building, east of Nanguang Expressway and south of Huanyu Road, Tianliao community, Yutang street, Guangming District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN FRD SCIENCE & TECHNOLOGY Co.,Ltd. |