Pulling-resistant flame-retardant fireproof foaming sheet

Abstract

The utility model provides a pulling-resistant flame-retardant fireproof foaming sheet which comprises a foaming base layer and an anti-aging adhesive layer arranged on the outer side of the foaming base layer, a flame-retardant layer is arranged on the outer side of the anti-aging adhesive layer and is made of flame-retardant silicone rubber materials, a plurality of first elastic supporting ribs are arranged in the foaming base layer, and a plurality of second elastic supporting ribs are arranged in the foaming base layer. The first elastic supporting ribs are evenly distributed in the width direction of the foaming base layer and extend in the length direction of the foaming base layer. The foaming base layer and the flame-retardant layer can be stably connected through the anti-aging adhesive layer, and the anti-aging adhesive layer has the advantage of aging resistance. And the flame-retardant layer is made of a flame-retardant silicone rubber material and has a flame-retardant characteristic, so that the foaming sheet has the advantage of better flame-retardant property. The first elastic supporting ribs are arranged in the foaming base layer and used for improving the pulling resistance of the foaming sheet, and the first elastic supporting ribs can drive the foaming sheet to restore after being pulled, so that the foaming sheet is not prone to damage.

Description

Technical Field

[0001] The utility model relates to a foam sheet, in particular to a tear-resistant, flame-retardant and fire-proof foam sheet. Background Art

[0002] At present, a Chinese patent with the announcement number CN209274109U discloses a foamed composite sheet, including a fluororesin film layer, an aging-resistant adhesive layer and a foamed cross-linked polyethylene base layer arranged in sequence from the outside to the inside, one side of the aging-resistant adhesive layer is fixed to the foamed cross-linked polyethylene base layer, and the other side of the aging-resistant adhesive layer is fixed to the fluororesin film layer. However, the above-mentioned foamed composite sheet has the defect of poor flame retardancy, so it is difficult to be placed in a flammable environment. Summary of the invention

[0003] In view of this, the purpose of the utility model is to provide a tear-resistant, flame-retardant and fire-proof foam sheet, which has the advantage of good flame-retardant performance.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: a pull-resistant, flame-retardant and fire-proof foam sheet, comprising a foam base layer, an aging-resistant adhesive layer arranged on the outside of the foam base layer, a flame-retardant layer is arranged on the outside of the aging-resistant adhesive layer, and the flame-retardant layer is made of flame-retardant silicone rubber. A plurality of elastic support ribs are arranged in the foam base layer, and the plurality of elastic support ribs are evenly distributed along the width direction of the foam base layer, and the elastic support ribs extend along the length direction of the foam base layer.

[0005] Through the above technical solution, the anti-aging adhesive layer can stably connect the foam base layer and the flame retardant layer, and the anti-aging adhesive layer has the advantage of anti-aging, so that the foam sheet has the advantage of a longer service life. The flame retardant layer is made of flame retardant silicone rubber and has flame retardant properties, so that the foam sheet has the advantage of good flame retardant performance. A plurality of elastic support ribs 1 are arranged in the foam base layer to improve the tensile resistance of the foam sheet, and the elastic support ribs 1 can drive the foam sheet to return to its original state after being pulled, so that the foam sheet is not easily damaged.

[0006] Preferably, the elastic supporting rib 1 comprises a supporting section and a return spring which are connected in sequence, an elastic insulating sleeve is sleeved on the outer side of the return spring, and an end of the elastic insulating sleeve is connected to the supporting section.

[0007] Through the above technical solution, the return spring can drive the foam sheet to return to its original shape after being deformed by tension, so that the foam sheet is not easily damaged. An elastic insulating sleeve is provided on the outer side of the return spring to block the foaming raw material during the foaming process to prevent the foaming raw material from entering the return spring, so that the use of the return spring is not easily affected.

[0008] Preferably, a connecting ring is integrally formed at the end of the elastic insulating sleeve, the connecting ring is sleeved on the outer side of the supporting section, and the inner wall of the connecting ring is in close contact with the outer wall of the supporting section.

[0009] By adding a connecting ring at the end of the elastic insulating sleeve, the contact area between the elastic insulating sleeve and the support section can be increased, thereby increasing the connection strength between the elastic insulating sleeve and the support section. The connecting ring is made of elastic material and is not likely to cause excessive impact on the installation of the reset spring.

[0010] Preferably, a positioning convex ring is provided at the end of the supporting section, a positioning ring groove is provided at the inner wall of the connecting ring, and the positioning convex ring is clamped in the positioning ring groove.

[0011] Through the above technical solution, the positioning protruding ring and the positioning ring groove cooperate with each other to limit the relative sliding of the connecting ring and the supporting section, thereby improving the connection strength between the elastic insulating sleeve and the supporting section.

[0012] Preferably, a plurality of elastic supporting ribs 2 are arranged in the foaming base layer, the plurality of elastic supporting ribs 2 are distributed along the length direction of the foaming base layer, and the elastic supporting ribs 2 extend along the width direction of the foaming base layer.

[0013] Through the above technical solution, the setting direction of the elastic support rib 2 is perpendicular to the direction of the elastic support rib 1, so as to support the above foam sheet and further improve the tear resistance of the above foam sheet.

[0014] Preferably, the second elastic supporting rib is connected to the supporting segment.

[0015] Through the above technical solution, the elastic support rib 2 is connected to the support section, which can effectively improve the strength of the elastic support rib 2 and the elastic support rib 1. Moreover, after the elastic support rib 1 is connected to the elastic support rib 2, during the foaming process of the foaming base layer, the elastic support rib 1 and the elastic support rib 2 are not easy to separate.

[0016] Preferably, a limiting notch is provided at the outer wall of the support section, the second elastic supporting rib is arranged in the limiting notch, and the outer wall of the second elastic supporting rib is in conflict with the inner wall of the limiting notch.

[0017] Through the above technical solution, the limiting notch can be used to limit the elastic support rib 2, so that relative movement between the elastic support rib 1 and the elastic support rib 2 is not easy to occur, making the combination process of the elastic support rib 1 and the elastic support rib 2 more convenient and quick.

[0018] Preferably, the limiting notch is configured in a constricted shape.

[0019] Through the above technical solution, the limiting notch is configured in a narrowed shape, which can more effectively limit the elastic supporting rib 2. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of an embodiment;

[0021] Figure 2 for Figure 1 Enlarged view of part A.

[0022] Figure numerals: 1. Foam base layer; 2. Aging resistance; 3. Adhesive layer; 4. Flame retardant layer; 5. Elastic supporting rib one; 51. Support section; 52. Reset spring; 53. Elastic insulating sleeve; 6. Connecting ring; 7. Positioning convex ring; 8. Positioning ring groove; 9. Elastic supporting rib two; 10. Limiting notch. Implementation

[0023] The specific implementation modes of the present invention are further described below in conjunction with the accompanying drawings to make the technical solutions of the present invention easier to understand and grasp.

[0024] A tear-resistant, flame-retardant, fire-proof foam sheet, such as Figure 1 , Figure 2 As shown, it includes a foam base layer 1, an anti-aging adhesive layer 2 arranged on the outside of the foam base layer 1, and a flame retardant layer 3 arranged on the outside of the anti-aging adhesive layer 2, and the flame retardant layer 3 is made of flame retardant silicone rubber.

[0025] A plurality of elastic support ribs 4 are arranged in the foaming base layer 1, and the plurality of elastic support ribs 4 are evenly distributed along the width direction of the foaming base layer 1, and the elastic support ribs 4 extend along the length direction of the foaming base layer 1. The elastic support ribs 4 include a support section 41 and a return spring 42 connected in sequence, and an elastic insulating sleeve 5 is sleeved on the outer side of the return spring 42, and the end of the elastic insulating sleeve 5 is connected to the support section 41.

[0026] The end of the elastic insulating sleeve 5 is integrally formed with a connecting ring 6, which is sleeved on the outside of the supporting section 41, and the inner wall of the connecting ring 6 is tightly attached to the outer wall of the supporting section 41. A positioning convex ring 7 is provided at the end of the supporting section 41, and a positioning ring groove 8 is provided on the inner wall of the connecting ring 6, and the positioning convex ring 7 is clamped in the positioning ring groove 8.

[0027] The foaming base layer 1 is provided with a plurality of elastic support ribs 9 2 , which are distributed along the length direction of the foaming base layer 1 and extend along the width direction of the foaming base layer 1 . The elastic support ribs 9 2 are connected to the support section 41 .

[0028] A limiting notch 10 is provided on the outer wall of the support section 41, and the elastic supporting rib 2 9 is arranged in the limiting notch 10, and the outer wall of the elastic supporting rib 2 9 is in conflict with the inner wall of the limiting notch 10. The limiting notch 10 is arranged in a constricted shape.

[0029] Of course, the above are only typical examples of the present invention. In addition, the present invention may have many other specific implementations. Any technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.

Claims

1. A tear-resistant, flame-retardant and fire-proof foam sheet, comprising a foam base (1) and an anti-aging adhesive layer (2) arranged on the outer side of the foam base (1), characterized in that: A flame retardant layer (3) is arranged on the outer side of the aging-resistant adhesive layer (2), and the flame retardant layer (3) is made of flame retardant silicone rubber. A plurality of elastic supporting ribs (4) are arranged in the foam base layer (1), and the plurality of elastic supporting ribs (4) are evenly distributed along the width direction of the foam base layer (1), and the elastic supporting ribs (4) extend along the length direction of the foam base layer (1).

2. The tear-resistant, flame-retardant and fire-proof foam sheet according to claim 1, characterized in that: The elastic supporting rib (4) comprises a supporting section (41) and a return spring (42) which are connected in sequence, an elastic insulating sleeve (5) is sleeved on the outer side of the return spring (42), and an end of the elastic insulating sleeve (5) is connected to the supporting section (41).

3. The tear-resistant, flame-retardant and fire-proof foam sheet according to claim 2, characterized in that: A connecting ring (6) is integrally formed at the end of the elastic insulating sleeve (5); the connecting ring (6) is sleeved on the outside of the supporting section (41), and the inner wall of the connecting ring (6) is tightly attached to the outer wall of the supporting section (41).

4. The tear-resistant, flame-retardant and fire-proof foam sheet according to claim 3, characterized in that: A positioning convex ring (7) is provided at the end of the supporting section (41), a positioning ring groove (8) is provided at the inner wall of the connecting ring (6), and the positioning convex ring (7) is clamped in the positioning ring groove (8).

5. The tear-resistant, flame-retardant and fire-proof foam sheet according to claim 2, characterized in that: A plurality of elastic support ribs (9) are arranged in the foam base layer (1), the plurality of elastic support ribs (9) are distributed along the length direction of the foam base layer (1), and the elastic support ribs (9) extend along the width direction of the foam base layer (1).

6. The tear-resistant, flame-retardant and fire-proof foam sheet according to claim 5, characterized in that: The second elastic supporting rib (9) is connected to the supporting section (41).

7. The tear-resistant, flame-retardant and fire-proof foam sheet according to claim 6, characterized in that: A limiting notch (10) is provided on the outer wall of the support section (41), the second elastic supporting rib (9) is mounted in the limiting notch (10), and the outer wall of the second elastic supporting rib (9) is in conflict with the inner wall of the limiting notch (10).

8. The tear-resistant, flame-retardant and fire-proof foam sheet according to claim 7, characterized in that: The limiting notch (10) is configured in a constricted manner.

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