Combined conductive foam

Abstract

The utility model discloses combined conductive foam, which relates to the technical field of conductive foam and comprises a foam body, a butt joint strip and a bump, the butt joint strip is arranged on one side of the foam body, the bump is arranged on the other side of the foam body, a clamping port is arranged on the surface of one side of the butt joint strip, and the bump is arranged on the other side of the butt joint strip. The butt joint strip and the protruding block are located at the diagonal positions of the edges of the two sides of the foam body, a clamping strip is arranged on the side, close to the protruding block, of the foam body, and a butt joint channel is formed between the protruding block and the clamping strip. According to the combined conductive foam, every two adjacent foam bodies are spliced end to end, the butt joint strip of one foam body is stably connected with the butt joint channel of the other foam body in an inserted mode, the butt joint strips can be clamped with the clamping strips in a limiting mode through the clamping openings, and therefore the two foam bodies can be conveniently combined and spliced; and the seamless butt joint effect can be achieved when the butt joint strips, the protruding blocks, the clamping strips and the butt joint channels are spliced.

Description

Technical Field

[0001] The utility model relates to the technical field of conductive foam, in particular to a combined conductive foam. Background Art

[0002] Conductive foam refers to a flame retardant sponge wrapped with conductive cloth. After a series of treatments, it has good surface conductivity and can be easily fixed on the device to be shielded with adhesive tape. The existing combined conductive foam is connected by the back of the first tape along the length direction of the adjacent two-shaped conductive foam body, and the back of the second tape along the width direction of the adjacent two-shaped conductive foam body; at the same time, the front of the first tape and the front of the second tape can also stick the strip-shaped conductive foam body on the device to be shielded.

[0003] According to patent number: 202222411744.5, a combined conductive foam is provided. A foam body is first taken out, and after the foam body is taken out, the side with the conductive cloth is facing forward, and then another foam body is taken out. After the other foam body is taken out, one end with the plug-in board is inserted into the placement groove on the previous foam body. When the plug-in board is inserted, it will abut against the inclined surface on the plug-in component and make the plug-in component move into the groove. When the plug-in component moves into the groove, it will press the limit spring under the guidance of the fixed block, the slide groove and the slider, and make the limit spring enter the contracted state. When the plug-in board is pushed to the bottom so that there is no gap between the two foam bodies, the plug-in component will automatically snap into the fitting groove under the rebound of the limit spring, which can realize the function of combined splicing, and can be freely combined according to the needs of the site, reducing the waste of raw materials and alleviating the burden of use.

[0004] When this technical solution is in use, the plug-in plate is connected to the placement slot. When assembling and splicing the conductive foam, the conductive foam after splicing can only be used by relying on the card connection between the plug-in part and the matching slot. This will produce a splicing gap during splicing, making it difficult to achieve seamless combination and splicing of the conductive foam combination. Therefore, the above problem needs to be improved. Utility Model Content

[0005] The purpose of the utility model is to provide a combined conductive foam to solve the problems raised by the above background technology.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a combined conductive foam, including a foam body, a docking strip and a convex block,

[0007] A docking strip is provided on one side of the foam body, a protrusion is provided on the other side of the foam body, a card interface is provided on one side surface of the docking strip, the docking strip and the protrusion are located at diagonal positions on both side edges of the foam body, a card strip is provided on one side of the foam body close to the protrusion, and a docking channel is provided between the protrusion and the card strip.

[0008] Preferably, positioning blocks are equidistantly arranged on one side of the docking bar away from the card interface, and first limiting holes are formed in the middle of the docking bar and the positioning blocks.

[0009] Preferably, positioning grooves are equidistantly formed on one side of the protrusion close to the clamping strip, and a second limiting hole communicating with the positioning grooves is formed inside the clamping strip.

[0010] Preferably, an elastic column is interference-inserted in the middle of the first limiting hole.

[0011] Preferably, inner holes are equidistantly formed inside the docking strip, a spring is disposed inside the inner hole, one end of the spring is connected to a T-shaped ejector pin, and a spherical end of the ejector pin extends from the opening side of the inner hole.

[0012] Preferably, through holes are equidistantly formed on the surface of the clamping strip, and the diameter of the through holes matches the diameter of the spherical end of the ejector pin.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The combined conductive foam splices two adjacent foam bodies end to end, so that the docking strip of one foam body is stably plugged into the docking channel of the other foam body, and the docking strip is limitedly engaged with the card strip through the card interface, so as to facilitate the combined splicing of the two foam bodies, and the seamless docking effect can be achieved by splicing the docking strip, the protrusion, the card strip and the docking channel;

[0015] 2. For this combined conductive foam, when the card interface on the surface of the card strip and the docking strip is connected, the ejector pin inside the inner hole will dock with the through hole on the surface of the card strip. The spherical end of the ejector pin can be inserted into the through hole through the elastic force of the spring, so as to restrict the card strip and ensure that the connection between the card strip and the docking strip has the effect of tensile protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the combined assembly of the utility model;

[0018] Figure 3 It is a schematic diagram of the top view of the cutaway structure of the combined assembly of the utility model;

[0019] Figure 4 It is a three-dimensional cross-sectional structural schematic diagram of the docking strip of the utility model;

[0020] Figure 5 It is a top view structural schematic diagram of the docking strip of the utility model;

[0021] Figure 6 It is a partial enlarged structural schematic diagram of point A of the utility model.

[0022] In the figure: 1. foam body; 2. docking strip; 201. positioning block; 202. first limiting hole; 3. protrusion; 301. positioning groove; 302. second limiting hole; 4. clamping strip; 5. docking channel; 6. clamping interface; 7. elastic column; 8. inner hole; 9. spring; 10. ejector pin; 11. through hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 6 The utility model provides a technical solution: a combined conductive foam, comprising a foam body 1, a docking strip 2 and a protrusion 3, wherein the docking strip 2 is arranged on one side of the foam body 1, and the protrusion 3 is arranged on the other side of the foam body 1, and a card interface 6 is opened on one side surface of the docking strip 2, and the docking strip 2 and the protrusion 3 are located at the diagonal positions of the two side edges of the foam body 1, and a card strip 4 is arranged on the side of the foam body 1 close to the protrusion 3, and a docking channel 5 is arranged between the protrusion 3 and the card strip 4.

[0025] During the specific implementation, two adjacent foam bodies 1 are spliced ​​end to end so that the docking strip 2 of one of the foam bodies 1 is stably plugged into the docking channel 5 of the other foam body 1, and the docking strip 2 is limitedly engaged with the card strip 4 through the outer card interface 6, thereby facilitating the combined splicing of the two foam bodies 1, and by splicing the docking strip 2, the protrusion 3, the card strip 4 and the docking channel 5, a seamless docking effect can be achieved.

[0026] See also Figure 1 , Figure 2 and Figure 4The side of the docking strip 2 away from the card interface 6 is equidistantly provided with positioning blocks 201, and the side of the protrusion 3 close to the card strip 4 is equidistantly provided with positioning grooves 301. Both the positioning blocks 201 and the positioning grooves 301 are isosceles trapezoidal structures, and the positioning blocks 201 and the positioning grooves 301 are matched and plugged.

[0027] In specific implementation, when two adjacent foam bodies 1 are spliced ​​end to end, the docking strip 2 of one of the foam bodies 1 is positioned and plugged into the positioning groove 301 of the other foam body 1 through the positioning block 201, thereby ensuring that the two foam bodies 1 have an anti-biased connection effect when combined and spliced. At the same time, through the matching plugging of the positioning block 201 and the positioning groove 301, the two foam bodies 1 can be prevented from moving away from each other from both sides.

[0028] See also Figure 6 A first limiting hole 202 is provided in the middle of the docking strip 2 and the positioning block 201, a second limiting hole 302 connected to the positioning groove 301 is provided inside the clamping strip 4, and an elastic column 7 is inserted in the middle of the first limiting hole 202 by interference fit.

[0029] In specific implementation, after the equally spaced positioning blocks 201 and the equally spaced positioning grooves 301 are matched and plugged in, the elastic column 7 is interference-plugged into the two adjacent second limiting holes 302 and the first limiting holes 202, so that the two groups of foam bodies 1 can be locked by the equally spaced elastic columns 7 to prevent the combined conductive foam from loosening and disconnecting.

[0030] See also Figure 4-Figure 6 The interior of the docking strip 2 is provided with inner holes 8 at equal intervals, a spring 9 is arranged inside the inner hole 8, one end of the spring 9 is connected to a T-shaped ejector pin 10, and the spherical end of the ejector pin 10 extends from the opening side of the inner hole 8; the surface of the clamping strip 4 is provided with through holes 11 at equal intervals, and the diameter of the through holes 11 matches the diameter of the spherical end of the ejector pin 10.

[0031] In specific implementation, when the card strip 4 is connected with the card interface 6 on the surface of the docking strip 2, the ejector pin 10 inside the inner hole 8 will dock with the through hole 11 on the surface of the card strip 4. The spherical end of the ejector pin 10 can be inserted into the through hole 11 through the elastic force of the spring 9, thereby restricting the card strip 4 and ensuring that the connection between the card strip 4 and the docking strip 2 has a tensile protection effect.

[0032] To sum up, multiple foam bodies 1 are combined and spliced ​​as needed to obtain conductive foams of different sizes, and then the foam body 1 is placed on the electrical components that need to be placed through adhesive tape, so that the combined conductive foam can have electromagnetic shielding performance and the electrostatic protection performance of the leading product is permanent. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A combined conductive foam, comprising a foam body (1), a butt joint strip (2) and a protrusion (3), characterized in that: A docking strip (2) is provided on one side of the foam body (1), a protrusion (3) is provided on the other side of the foam body (1), a card interface (6) is provided on one side surface of the docking strip (2), the docking strip (2) and the protrusion (3) are located at diagonal positions on both side edges of the foam body (1), a card strip (4) is provided on one side of the foam body (1) close to the protrusion (3), and a docking channel (5) is provided between the protrusion (3) and the card strip (4).

2. The combined conductive foam according to claim 1, characterized in that: Positioning blocks (201) are equidistantly arranged on one side of the docking bar (2) away from the card interface (6), and first limiting holes (202) are provided in the middle of the docking bar (2) and the positioning blocks (201).

3. The combined conductive foam according to claim 1, characterized in that: Positioning grooves (301) are equidistantly formed on one side of the protrusion (3) close to the clamping strip (4), and a second limiting hole (302) communicating with the positioning grooves (301) is formed inside the clamping strip (4).

4. The combined conductive foam according to claim 2, characterized in that: An elastic column (7) is interference-inserted in the middle of the first limiting hole (202).

5. The combined conductive foam according to claim 1, characterized in that: The butt joint strip (2) has inner holes (8) equidistantly formed therein, a spring (9) is disposed inside the inner hole (8), one end of the spring (9) is connected to a T-shaped ejector pin (10), and the spherical end of the ejector pin (10) extends from the opening side of the inner hole (8).

6. The combined conductive foam according to claim 5, characterized in that: The surface of the clamping strip (4) is provided with through holes (11) at equal intervals, and the diameter of the through holes (11) matches the diameter of the spherical end of the ejector pin (10).

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