Composite silica gel foam

Abstract

The composite silica gel foam comprises a waterproof layer, a silica gel foam layer, a heat conduction silica gel layer, a buffer layer and an adhesive layer, the waterproof layer is adhered to the upper surface of the silica gel foam layer, the heat conduction silica gel layer is coated on the lower surface of the silica gel foam layer, the buffer layer is adhered to the lower end face of the heat conduction silica gel layer, the adhesive layer is coated at the lower end of the buffer layer, and the adhesive layer is coated at the lower end of the buffer layer. The silica gel foam layer is provided with through holes and silica gel heat conduction sleeves, the through holes are orderly formed in the silica gel foam layer, the silica gel heat conduction sleeves are installed in the through holes, and the silica gel heat conduction sleeves are filled with graphene particles. According to the composite silica gel foam and the silica gel heat conduction sleeve, the structural strength of the through holes can be improved, the through holes are prevented from being damaged when the silica gel foam body shrinks, the heat conduction performance of the silica gel foam body can be improved through the graphene particle filler, and therefore heat can be conducted out in time, heat dissipation is facilitated, and the service life of the silica gel foam body is prolonged. And the graphene particles do not influence the overall flexible telescopic performance and sound insulation performance of the silica gel foam main body.

Description

Technical Field

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

[0002] Composite foam is a material made of foamed plastic particles, referred to as foam. Foam is divided into PU foam, anti-static foam, conductive foam, EPE, anti-static EPE, CR, EVA, cross-linked PE, SBR, EPDM, etc. Composite foam has a series of characteristics such as elasticity, light weight, fast pressure-sensitive fixation, easy use, flexible bending, ultra-thin volume, and reliable performance.

[0003] However, the current composite foam has unsatisfactory thermal conductivity and poor cushioning effect during use, which will affect the service life of the composite foam after long-term use. No corresponding improvement has been made to this defect. Utility Model Content

[0004] The main purpose of the utility model is to provide a composite silicone foam to solve the above technical problems and improve the thermal conductivity.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A composite silicone foam comprises a waterproof layer, a silicone foam layer, a thermally conductive silicone layer, a buffer layer and an adhesive layer, wherein the waterproof layer is adhered to the upper surface of the silicone foam layer, the thermally conductive silicone layer is coated on the lower surface of the silicone foam layer, the buffer layer is adhered to the lower end surface of the thermally conductive silicone layer, and the adhesive layer is coated on the lower end of the buffer layer. The silicone foam layer is provided with through holes and a silicone thermally conductive sleeve, the through holes are arranged in an orderly manner on the silicone foam layer, the silicone thermally conductive sleeve is installed in the through holes, and the silicone thermally conductive sleeve is filled with graphene particles.

[0007] As a preferred technical solution, the buffer layer includes a buffer groove, an upper elastic arc sheet and a lower elastic arc sheet. The buffer groove is arranged inside the buffer layer, the upper elastic arc sheet is installed in an orderly manner on the upper surface of the buffer groove, and the lower elastic arc sheet is installed in an orderly manner on the lower surface of the buffer groove, and the upper elastic arc sheet is abutted against the lower elastic arc sheet.

[0008] As a preferred technical solution, the upper elastic arc pieces and the lower elastic arc pieces are arranged alternately.

[0009] As a preferred technical solution, it further includes a connecting structure, which is arranged on a side of the silicone foam layer, and the other side of the silicone foam layer is provided with a fixing groove for the connecting structure to be clamped.

[0010] As a preferred technical solution, the connecting structure includes a fixing part, a connecting part, an installation part and a clamping structure. The fixing part is fixed in the silicone foam layer, the installation part is fixed to the fixing part through the connecting part, and the clamping structure is installed at both ends of the installation part.

[0011] As a preferred technical solution, the clamping structure includes a spring and a clamping block, the mounting portion is provided with a mounting hole, the spring is arranged in the mounting hole, and the clamping block abuts against the spring.

[0012] As a preferred technical solution, a guiding inclined surface is provided on the clamping block.

[0013] As a preferred technical solution, both ends of the fixing groove are respectively provided with engaging grooves for the engaging blocks to engage with.

[0014] The beneficial effects of the present invention are as follows: the above-mentioned composite silicone foam and silicone thermal conductive sleeve can increase the structural strength of the through hole, and prevent the through hole from being damaged when the silicone foam body shrinks. The graphene particle filler can increase the thermal conductivity of the silicone foam body, thereby facilitating the timely conduction of heat and heat dissipation. The graphene particles will not affect the overall flexible and stretchable performance and sound insulation performance of the silicone foam body. The waterproof layer can prevent water from penetrating into the foam. The buffer layer can play a good buffering and shock-absorbing role, thereby protecting the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a cross-sectional view of the composite silicone foam involved in the present utility model. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0017] like Figure 1As shown, a composite silicone foam comprises a waterproof layer 1, a silicone foam layer 2, a thermally conductive silicone layer 3, a buffer layer 4 and an adhesive layer 5. The waterproof layer 1 is adhered to the upper surface of the silicone foam layer 2, the thermally conductive silicone layer 3 is coated on the lower surface of the silicone foam layer 2, the buffer layer 4 is adhered to the lower end surface of the thermally conductive silicone layer 3, and the adhesive layer is coated on the lower end of the buffer layer 4. The silicone foam layer 2 is provided with a through hole 21 and a silicone thermally conductive sleeve 22. The through hole 21 is arranged in an orderly manner on the silicone foam layer 2, and the silicone thermally conductive sleeve 22 is provided with a through hole 21. 2 is installed in the through hole 21, and the silicone thermal conductive sleeve 22 is filled with graphene particles 4. The silicone thermal conductive sleeve 22 can increase the structural strength of the through hole 21 and prevent the through hole 21 from being damaged when the silicone foam body 1 shrinks. The graphene particle filler can increase the thermal conductivity of the silicone foam body 1, thereby facilitating the timely conduction of heat and heat dissipation. The graphene particles will not affect the overall flexible and stretchable performance and sound insulation performance of the silicone foam body. The waterproof layer 1 can prevent water from penetrating into the foam.

[0018] Specifically, the buffer layer 5 includes a buffer groove 51, an upper elastic arc piece 53 and a lower elastic arc piece 52. The buffer groove 51 is arranged inside the buffer layer 5, the upper elastic arc piece 53 is installed in order on the upper surface of the buffer groove 51, and the lower elastic arc piece 52 is installed in order on the lower surface of the buffer groove 51. When the foam is under pressure, the upper elastic arc piece 53 and the lower elastic arc piece 52 play a good buffering and shock-absorbing role, thereby protecting the foam. The upper elastic arc piece 53 is in contact with the lower elastic arc piece 52, and the upper elastic arc piece 53 and the lower elastic arc piece 52 are alternately arranged, so as to ensure that the upper elastic arc piece 53 and the lower elastic arc piece 52 can rebound quickly after being compressed.

[0019] Specifically, it further includes a connecting structure 7, which is provided on the side of the silicone foam layer 2. The other side of the silicone foam layer 2 is provided with a fixing groove 22 for the connecting structure 7 to be clamped. The connecting structure 7 includes a fixing portion 71, a connecting portion 72, a mounting portion 73 and a clamping structure 74. The fixing portion 71 is fixed in the silicone foam layer 2. The mounting portion 73 is fixed to the fixing portion 71 through the connecting portion 72. The clamping structure 74 is installed at both ends of the mounting portion 73. The clamping structure 74 includes a spring 742 and a clamping block 741. The mounting portion 73 is provided with a mounting hole 731. The spring 742 is provided in the mounting hole 731. The clamping block 741 abuts against one end of the spring 742, and the other end of the spring 742 abuts against the clamping block 741. A limiting protrusion is provided on the clamping block 741 to prevent the spring 742 from pushing the clamping block 741 out of the mounting hole 731. The clamping block 731 is provided with a guide slope, which can guide the clamping block 731 to be clamped into the fixing groove 22. The two ends of the fixing groove 22 are respectively provided with a clamping groove 23 for the clamping block 731 to be clamped, preventing the clamping block 731 from falling out of the fixing groove 22.

[0020] The above-described embodiments are merely preferred examples of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes or modifications made based on the structures, features, and principles described in the scope of the patent application of the present invention should be included in the scope of the patent application of the present invention.

Claims

1. A composite silicone foam, characterized in that: It includes a waterproof layer, a silicone foam layer, a thermally conductive silicone layer, a buffer layer and an adhesive layer. The waterproof layer is adhered to the upper surface of the silicone foam layer, the thermally conductive silicone layer is coated on the lower surface of the silicone foam layer, the buffer layer is adhered to the lower end surface of the thermally conductive silicone layer, and the adhesive layer is coated on the lower end of the buffer layer. The silicone foam layer is provided with through holes and a silicone thermally conductive sleeve. The through holes are arranged in order on the silicone foam layer, the silicone thermally conductive sleeve is installed in the through holes, and the silicone thermally conductive sleeve is filled with graphene particles.

2. The composite silicone foam according to claim 1, characterized in that: The buffer layer includes a buffer groove, an upper elastic arc sheet and a lower elastic arc sheet. The buffer groove is arranged inside the buffer layer, the upper elastic arc sheet is installed in an orderly manner on the upper surface of the buffer groove, and the lower elastic arc sheet is installed in an orderly manner on the lower surface of the buffer groove. The upper elastic arc sheet is in contact with the lower elastic arc sheet.

3. The composite silicone foam according to claim 2, characterized in that: The upper elastic arc pieces and the lower elastic arc pieces are arranged alternately.

4. The composite silicone foam according to claim 3, characterized in that: It further includes a connecting structure, which is arranged on a side of the silicone foam layer, and the other side of the silicone foam layer is provided with a fixing groove for the connecting structure to be clamped.

5. The composite silicone foam according to claim 4, characterized in that: The connecting structure includes a fixing portion, a connecting portion, a mounting portion and a clamping structure. The fixing portion is fixed in the silicone foam layer. The mounting portion is fixed to the fixing portion through the connecting portion. The clamping structure is installed at both ends of the mounting portion.

6. The composite silicone foam according to claim 5, characterized in that: The clamping structure includes a spring and a clamping block. The mounting portion is provided with a mounting hole. The spring is arranged in the mounting hole. The clamping block abuts against the spring.

7. The composite silicone foam according to claim 6, characterized in that: The clamping block is provided with a guiding inclined surface.

8. The composite silicone foam according to claim 7, characterized in that: Both ends of the fixing slot are respectively provided with a clamping slot for the clamping block to be clamped.

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