CN217160363U - Conductive foam with electromagnetic shielding function - Google Patents

Conductive foam with electromagnetic shielding function Download PDF

Info

Publication number
CN217160363U
CN217160363U CN202220791765.1U CN202220791765U CN217160363U CN 217160363 U CN217160363 U CN 217160363U CN 202220791765 U CN202220791765 U CN 202220791765U CN 217160363 U CN217160363 U CN 217160363U
Authority
CN
China
Prior art keywords
conductive
foam
electrically conductive
foam body
electromagnetic shielding
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
Application number
CN202220791765.1U
Other languages
Chinese (zh)
Inventor
黄林元
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Aoliwen Electronics Co ltd
Original Assignee
Suzhou Aoliwen Electronics Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Aoliwen Electronics Co ltd filed Critical Suzhou Aoliwen Electronics Co ltd
Priority to CN202220791765.1U priority Critical patent/CN217160363U/en
Application granted granted Critical
Publication of CN217160363U publication Critical patent/CN217160363U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

A conductive foam with an electromagnetic shielding function comprises a conductive foam body and a connecting mechanism, wherein the conductive foam body is of a cylindrical structure, and the conductive foam body are fixedly spliced through the connecting mechanism; the conductive foam body is formed by wrapping polyurethane foam with conductive fiber cloth, an electromagnetic shielding layer is further arranged between the conductive fiber cloth and the polyurethane foam, a wrapping frame is embedded in the polyurethane foam, flame retardant powder is filled in the wrapping frame, a conductive pressure-sensitive adhesive is coated on the outer side of the conductive fiber cloth, and a release film is coated on the outer side of the conductive pressure-sensitive adhesive. Electrically conductive bubble with electromagnetic shield function cotton, structural design is reasonable, through be provided with coupling mechanism on electrically conductive bubble cotton body, electrically conductive bubble can fix the concatenation through coupling mechanism between cotton body of electrically conductive bubble and the electrically conductive bubble cotton body to can provide the electrically conductive bubble of multiple not unidimensional cotton.

Description

Conductive foam with electromagnetic shielding function
Technical Field
The utility model relates to a cotton technical field of electrically conductive bubble, concretely relates to electrically conductive bubble is cotton with electromagnetic shield function.
Background
The conductive foam is formed by wrapping conductive cloth on flame-retardant sponge, and after a series of treatments, the conductive cloth has good surface conductivity and can be easily fixed on a device to be shielded by an adhesive tape. The conductive foam has different section shapes, installation methods, UL grades and shielding materials with shielding effect. The conductive cloth foam has wide application, has good corrosion resistance and oxidation resistance, and fully meets the requirements of high-tech enterprises such as photoelectrons, microelectronics, aviation, aerospace, communication, military, chemical engineering and the like on novel antistatic materials.
Along with the continuous upgrading of the devices needing shielding, higher and higher requirements are provided for the performance of the conductive foam, the conductive foam in the prior art has the defects of poor shielding capacity and poor flame retardance, the conductive foam is easy to tear in practical application, and due to the fact that the devices needing shielding are different in size, the conductive foam with different sizes is often required to be matched, and the cost is easily increased. Therefore, it is necessary to develop a conductive foam with electromagnetic shielding function to solve the above problems.
Chinese patent application No. CN202122108346.1 discloses an environment-friendly conductive foam, which aims to adjust the installation space of the elastic foam by limiting, so as to ensure that the elastic foam can be installed no matter the size of the elastic foam, and the electromagnetic shielding function and the flame retardance are not improved.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome not enough above, the utility model aims at providing a conductive bubble with electromagnetic shield function is cotton, and structural design is reasonable, and through being provided with coupling mechanism on the cotton body of conductive bubble, the concatenation can be fixed through coupling mechanism between the cotton body of conductive bubble and the conductive bubble cotton body to can provide the conductive bubble of multiple not unidimensional cotton, so as to satisfy the requirement that various sizes need shielding device, application prospect is extensive.
The technical scheme is as follows: a conductive foam with an electromagnetic shielding function comprises a conductive foam body and a connecting mechanism, wherein the conductive foam body is of a cylindrical structure, and the conductive foam body are fixedly spliced through the connecting mechanism; the conductive foam body is formed by wrapping polyurethane foam with conductive fiber cloth, an electromagnetic shielding layer is further arranged between the conductive fiber cloth and the polyurethane foam, a wrapping frame is embedded in the polyurethane foam, flame-retardant powder is filled in the wrapping frame, conductive pressure-sensitive adhesive is coated on the outer side of the conductive fiber cloth, and a release film is coated on the outer side of the conductive pressure-sensitive adhesive.
Electrically conductive bubble with electromagnetic shield function cotton, structural design is reasonable, through be provided with coupling mechanism on electrically conductive bubble cotton body, electrically conductive bubble cotton body and electrically conductive bubble can fix the concatenation through coupling mechanism between the cotton body to can provide the electrically conductive bubble of multiple not unidimensional cotton, in order to satisfy the requirement that various sizes need shielding device.
The cotton body of electrically conductive bubble pastes electrically conductive pressure sensitive adhesive in the electrically conductive fiber cloth outside, improves the cotton easy installation performance of electrically conductive bubble and contact electric conductive property, through adding between electrically conductive fiber cloth and polyurethane foam and being equipped with the electromagnetic shield layer, further improves its electromagnetic shield function, inlays through the inside at polyurethane foam and is equipped with the parcel frame, and the inside packing of parcel frame has fire-retardant powder, can effectively prevent polyurethane foam to take place the burning, improves the fire resistance of the cotton body of electrically conductive bubble.
Further, foretell electrically conductive bubble cotton with electromagnetic shield function, the electromagnetic shield layer includes metal nickel outer shield layer, metal nickel inner shield layer, the outside and the conductive fiber cloth bonding of metal nickel outer shield layer, the inboard and the outside bonding of metal nickel inner shield layer of metal nickel outer shield layer, the inboard and the cotton outside bonding of polyurethane of metal nickel inner shield layer.
The electromagnetic shielding effect of the conductive foam body is improved by the design.
Furthermore, the above-mentioned electrically conductive bubble with electromagnetic shield function is cotton, a terminal surface of the cotton body of electrically conductive bubble is provided with the recess, another terminal surface of the cotton body of electrically conductive bubble is provided with the block, the recess of the cotton body of electrically conductive bubble and another block of the cotton body of electrically conductive bubble block.
Further, the connection mechanism comprises a connection ring, steps matched with the connection ring are arranged on two end faces of the conductive foam body, and when the connection ring is sleeved at a clamping position of the groove of the conductive foam body and a clamping block of another conductive foam body, the connection ring is flush with the conductive foam body.
Coupling mechanism, simple structure, convenient operation locates the recess of the cotton body of electrically conductive bubble and the block department of another electrically conductive cotton body of bubble through the go-between cover, can be quick carry out quick concatenation to 2 electrically conductive bubble cotton.
Further, in the conductive foam with the electromagnetic shielding function, 2 adhesive tapes are arranged on the outer surface of the connecting ring.
Further, 2 tapes are arranged in parallel, 1 tape is used for adhering the connecting ring and 1 conductive foam body 1, and the other 1 tape is used for adhering the connecting ring and the other 1 conductive foam body 1.
Through setting up the sticky tape, locate the recess of the cotton body of electrically conductive bubble and the block department of another electrically conductive bubble body as the go-between cover, tear 2 sticky tapes of surface of go-between, 1 is used for pasting go-between 21 and 1 electrically conductive bubble cotton body, and another sticky tape is used for pasting go-between and 1 electrically conductive bubble cotton body in addition to make 2 electrically conductive bubble cotton fix together steadily.
The utility model has the advantages that: the utility model discloses a conductive foam with electromagnetic shielding function, structural design is reasonable, and conductive foam body pastes electrically conductive pressure sensitive adhesive outside conductive fiber cloth, improves the easy installation performance and the contact electric conductivity property of conductive foam cotton, through adding between conductive fiber cloth and polyurethane foam and being equipped with the electromagnetic shielding layer, further improves its electromagnetic shielding function, through inlaying the parcel frame in polyurethane foam's inside, the inside of parcel frame is filled with fire-retardant powder, can effectively prevent polyurethane foam to take place to burn, improves the fire resistance of conductive foam body; the conductive foam shield device is convenient to operate, 2 conductive foams and a plurality of conductive foams can be quickly spliced through the clamping position of the groove of the conductive foam body and the clamping block of the other conductive foam body which are sleeved with the connecting ring, so that the conductive foams with different sizes can be provided, and the requirements of various sizes on shielding devices can be met.
Drawings
Fig. 1 is a side sectional view of the conductive foam with electromagnetic shielding function of the present invention;
fig. 2 is a front view of the conductive foam with electromagnetic shielding function of the present invention;
fig. 3 is a front cross-sectional view of the conductive foam with electromagnetic shielding function of the present invention;
fig. 4 is a schematic structural diagram of the electromagnetic shielding conductive foam of the present invention after splicing 2 pieces of conductive foam;
fig. 5 is a schematic structural view of a connection mechanism of the conductive foam with electromagnetic shielding function of the present invention;
in the figure: the conductive foam plastic packaging structure comprises a conductive foam plastic body 1, a groove 101, a clamping block 102, a step 103, conductive fiber cloth 11, polyurethane foam 12, an electromagnetic shielding layer 13, a metal nickel outer shielding layer 131, a metal nickel inner shielding layer 132, a packaging frame 14, flame-retardant powder 15, conductive pressure-sensitive adhesive 16, a release film 17, a connecting mechanism 2, a connecting ring 21 and an adhesive tape 22.
Detailed Description
The invention will be further elucidated with reference to the accompanying figures 1-5 and the specific embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The conductive foam with the electromagnetic shielding function, which has the structure shown in fig. 1, 2, 3, 4 and 5, comprises a conductive foam body 1 and a connecting mechanism 2, wherein the conductive foam body 1 is of a cylindrical structure, and the conductive foam body 1 are fixedly spliced through the connecting mechanism 2; the cotton body 1 of electrically conductive bubble constitutes with electrically conductive fiber cloth 11 parcel polyurethane foam 12, and still be provided with electromagnetic shield layer 13 between electrically conductive fiber cloth 11 and the polyurethane foam 12, polyurethane foam 12's inside is inlayed and is equipped with parcel frame 14, the inside packing of parcel frame 14 has fire-retardant powder 15, the subsides of electrically conductive fiber cloth 11 outside have electrically conductive pressure sensitive adhesive 16, the subsides of electrically conductive pressure sensitive adhesive 16 outside have from type membrane 17.
In addition, the electromagnetic shielding layer 13 includes a metal nickel outer shielding layer 131 and a metal nickel inner shielding layer 132, the outer side of the metal nickel outer shielding layer 131 is bonded to the conductive fiber cloth 11, the inner side of the metal nickel outer shielding layer 131 is bonded to the outer side of the metal nickel inner shielding layer 132, and the inner side of the metal nickel inner shielding layer 132 is bonded to the outer side of the polyurethane foam 12.
Furthermore, a groove 101 is formed in one end face of the conductive foam body 1, a clamping block 102 is arranged on the other end face of the conductive foam body 1, and the groove 101 of the conductive foam body 1 is clamped with the clamping block 102 of the other conductive foam body 1.
Further, the connecting mechanism 2 includes a connecting ring 21, steps 103 matched with the connecting ring 21 are arranged on two end faces of the conductive foam body 1, and when the connecting ring 21 is sleeved at a clamping position of the groove 101 of the conductive foam body 1 and the clamping block 102 of another conductive foam body 1, the connecting ring 21 is flush with the conductive foam body 1.
Further, the outer surface of the connection ring 21 is provided with 2 tapes 22.
Further, 2 tapes 22 are arranged in parallel, 1 tape 22 is used for adhering the connection ring 21 and 1 conductive foam body 1, and the other 1 tape 22 is used for adhering the connection ring 21 and the other 1 conductive foam body 1.
Example 1
Based on the above structural basis, as shown in fig. 1-5.
Electrically conductive bubble cotton body 1 pastes electrically conductive pressure sensitive adhesive 16 in the electrically conductive fiber cloth 11 outside, improves the cotton easy installation performance of electrically conductive bubble and contact electric conductive property, through adding between electrically conductive fiber cloth 11 and polyurethane foam 12 and being equipped with electromagnetic shield layer 13, further improves its electromagnetic shield function, inlays through the inside at polyurethane foam 12 and is equipped with parcel frame 14, and the inside packing of parcel frame 14 has fire-retardant powder 15, can effectively prevent polyurethane foam 12 to take place the burning, improves the fire resistance of electrically conductive bubble cotton body 1.
The conductive fiber cloth 11, the polyurethane foam 12, the electromagnetic shielding layer 13, the metal nickel outer shielding layer 131, the metal nickel inner shielding layer 132, the wrapping frame 14, the flame-retardant powder 15, the conductive pressure-sensitive adhesive 16 and the release film 17 are finished products in the prior art.
Further, through being provided with coupling mechanism 2 on the cotton body of electrically conductive bubble 1, can fix the concatenation through coupling mechanism 2 between the cotton body of electrically conductive bubble 1 and the cotton body of electrically conductive bubble 1 to can provide the electrically conductive bubble of multiple not unidimensional cotton, in order to satisfy the requirement that various sizes need shielding device.
Example 2
Based on the structure of the embodiment 1, as shown in FIGS. 1 to 5.
Coupling mechanism, simple structure, convenient operation locates the recess 101 of the cotton body of electrically conductive bubble 1 and the block 102 block department of another electrically conductive cotton body of bubble 1 through go-between 21 cover, can be quick splice 2 electrically conductive bubble cotton fast.
Through setting up sticky tape 22, locate the recess 101 of the cotton body of electrically conductive bubble 1 and the block 102 block of the cotton body of another electrically conductive bubble block department of block when go-between 21 cover, tear 2 sticky tapes 22 of surface of go-between 21 off, 1 is used for pasting go-between 21 and 1 cotton body 1 of electrically conductive bubble, and another sticky tape 22 is used for pasting go-between and 1 other cotton body 1 of electrically conductive bubble to make 2 cotton fixed together of electrically conductive bubble.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, the embodiments of the present invention can be arbitrarily combined with each other, and the same shall be regarded as the disclosure of the present invention as long as the idea of the present invention is not violated.

Claims (6)

1. The conductive foam with the electromagnetic shielding function is characterized by comprising a conductive foam body (1) and a connecting mechanism (2), wherein the conductive foam body (1) is of a cylindrical structure, and the conductive foam body (1) are fixedly spliced through the connecting mechanism (2); conductive foam body (1) constitutes with conductive fiber cloth (11) parcel polyurethane foam (12), and still be provided with electromagnetic shield layer (13) between conductive fiber cloth (11) and polyurethane foam (12), the inside of polyurethane foam (12) is inlayed and is equipped with parcel frame (14), the inside packing of parcel frame (14) has fire-retardant powder (15), conductive fiber cloth (11) outside subsides have electrically conductive pressure sensitive adhesive (16), electrically conductive pressure sensitive adhesive (16) outside subsides have from type membrane (17).
2. The conductive foam with the electromagnetic shielding function according to claim 1, wherein the electromagnetic shielding layer (13) comprises a metal nickel outer shielding layer (131) and a metal nickel inner shielding layer (132), the outer side of the metal nickel outer shielding layer (131) is bonded to the conductive fiber cloth (11), the inner side of the metal nickel outer shielding layer (131) is bonded to the outer side of the metal nickel inner shielding layer (132), and the inner side of the metal nickel inner shielding layer (132) is bonded to the outer side of the polyurethane foam (12).
3. The foam with the electromagnetic shielding function according to claim 1, wherein a groove (101) is provided at one end face of the foam body (1), a block (102) is provided at the other end face of the foam body (1), and the groove (101) of the foam body (1) is engaged with the block (102) of another foam body (1).
4. The foam conductive foam with the electromagnetic shielding function according to claim 3, wherein the connecting mechanism (2) comprises a connecting ring (21), steps (103) matched with the connecting ring (21) are arranged on two end faces of the foam conductive foam body (1), and when the connecting ring (21) is sleeved on a clamping position of the groove (101) of the foam conductive foam body (1) and the clamping block (102) of another foam conductive foam body (1), the connecting ring (21) is flush with the foam conductive foam body (1).
5. The foam of conductive foam with electromagnetic shielding function according to claim 4, wherein the outer surface of the connection ring (21) is provided with 2 strips of adhesive tape (22).
6. The foam with electromagnetic shielding function according to claim 5, wherein 2 tapes (22) are juxtaposed, 1 tape (22) is used for adhering the connection ring (21) and 1 foam body (1), and the other 1 tape (22) is used for adhering the connection ring (21) and the other 1 foam body (1).
CN202220791765.1U 2022-04-07 2022-04-07 Conductive foam with electromagnetic shielding function Active CN217160363U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220791765.1U CN217160363U (en) 2022-04-07 2022-04-07 Conductive foam with electromagnetic shielding function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220791765.1U CN217160363U (en) 2022-04-07 2022-04-07 Conductive foam with electromagnetic shielding function

Publications (1)

Publication Number Publication Date
CN217160363U true CN217160363U (en) 2022-08-09

Family

ID=82698982

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220791765.1U Active CN217160363U (en) 2022-04-07 2022-04-07 Conductive foam with electromagnetic shielding function

Country Status (1)

Country Link
CN (1) CN217160363U (en)

Similar Documents

Publication Publication Date Title
EP2685797B1 (en) Composite material and electron device
CN205249699U (en) Electromagnetic shield membrane
CN111621244A (en) Conductive adhesive tape, electromagnetic shielding adhesive tape and preparation method of electromagnetic shielding adhesive tape
CN217160363U (en) Conductive foam with electromagnetic shielding function
JP3992360B2 (en) Conductive adhesive tape
CN212076929U (en) Electromagnetic shielding composite film for vehicle-mounted display product
CN111937227A (en) Metal-air battery and method for manufacturing metal-air battery
CN216451746U (en) All-round electrically conductive bubble that electromagnetic shield is effectual is cotton
CN218385233U (en) Terminal structure of MOSFET device
CN216795367U (en) Flexible circuit board with polyester film type protective layer
CN211791615U (en) Electrostatic protection structure, mobile phone and electronic terminal
CN113134997A (en) Flame-retardant conductive foam and preparation process thereof
CN216146657U (en) Conductive sponge with good anti-seismic performance
CN209930825U (en) Conductive dustproof foam
CN216251279U (en) Electronic wire harness convenient for arranging connectors
CN216584844U (en) Conductive reflective adhesive tape
CN217241249U (en) Connect firm electrically conductive bubble cotton
CN214206276U (en) Flat-clamping type conductive foam
CN215118341U (en) Conductive component and electronic device
CN215250543U (en) Conductive adhesive
CN220235202U (en) Electronic equipment
CN220926658U (en) Conductive cloth adhesive tape with anti-corrosion function
CN210491552U (en) Light-shielding conductive fabric
CN214102211U (en) Novel conductive foam
CN213705198U (en) Wall box charges and panel connection structure thereof

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant