Four-side elastic semi-PU saddle leather

Abstract

The utility model discloses four-side elastic semi-PU (polyurethane) saddle leather which comprises a PU surface layer, a lining layer is adhered to the bottom of the PU surface layer, an anti-scratch layer is adhered to the top of the PU surface layer, a salient point block extending to the outer side is arranged in an inner cavity of the anti-scratch layer, a wear-resistant waterproof layer is adhered to the outer side of the salient point block, and the wear-resistant waterproof layer is adhered to the outer side of the wear-resistant waterproof layer. The anti-scratch layer is composed of a polyurethane elastic fiber layer and an ethylene propylene rubber layer, the ethylene propylene rubber layer is wrapped in the polyurethane elastic fiber layer, the ethylene propylene rubber layer is formed by weaving ethylene propylene rubber strips in a transverse and longitudinal staggered mode, gap grooves are formed between the ethylene propylene rubber strips, and the salient point blocks are bonded to inner cavities of the gap grooves. According to the saddle leather, the PU surface layer is protected through the scratch-proof layer, so that the possibility that the PU surface layer is scratched is reduced, and the service life of the saddle leather is effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to PU saddle leather technical field, especially relate to a four -dimensional elastic half PU saddle leather. BACKGROUND

[0002] PU saddle leather plays an important role in the field of bicycle saddle due to its excellent wear resistance and aging resistance, and with the continuous development of science and technology, the performance of PU saddle leather is getting better and better.

[0003] When PU saddle leather is used in winter, the PU saddle leather is hard due to the low ambient temperature, and its elasticity is reduced, and when it is scratched by sharp objects, it is easy to tear, which affects the use. INVENTION CONTENTS

[0004] The utility model aims at providing a four -dimensional elastic half PU saddle leather, has the advantage that low temperature prevents scratching, to solve above -mentioned background art problems.

[0005] The utility model solves the technical problem that above -mentioned technical scheme is as follows: a four -dimensional elastic half PU saddle leather, it includes PU surface layer: the bottom of PU surface layer is bonded with lining layer, the top of PU surface layer is bonded with scratch -resistant layer, the inner chamber of scratch -resistant layer is provided with the convex point block extending to the outside, the outside of convex point block is bonded with wear -resisting waterproof layer.

[0006] Preferably, the scratch -resistant layer is composed of polyurethane elastic fiber layer and ethylene -propylene rubber layer, and the ethylene -propylene rubber layer is wrapped inside the polyurethane elastic fiber layer.

[0007] Preferably, the ethylene -propylene rubber layer is made of ethylene -propylene rubber strips that are horizontally and vertically staggered and woven, and gap grooves are provided between the ethylene -propylene rubber strips, and the convex point block is bonded in the inner chamber of the gap groove.

[0008] Preferably, the convex point block is arranged in the inner chamber of the scratch -resistant layer in a rectangular array.

[0009] Preferably, the wear -resisting waterproof layer is made of polyester fiber.

[0010] Preferably, the convex point block is composed of any one of PVC latex and silicone.

[0011] The utility model has the advantages of:

[0012] 1. The utility model protects the PU surface layer by the scratch -resistant layer, reduces the possibility of the PU surface layer being scratched, thereby effectively improving the service life of the saddle leather.

[0013] 2. The utility model discloses a setting of the ethylene propylene rubber layer, because the cold resistance of ethylene propylene rubber is better, and has higher impact elasticity and ageing resistance, can protect PU surface layer in low temperature environment, and further increases its elasticity through interlaced weaving. BRIEF DESCRIPTION OF DRAWINGS

[0014] The above and / or other aspects of the present utility model will become more apparent and more readily appreciated from the following detailed description, taken in conjunction with the accompanying drawings, of which:

[0015] Fig. 1 It is the whole structure schematic diagram of an embodiment of the utility model;

[0016] Fig. 2 It is the ethylene propylene rubber layer structure schematic diagram of an embodiment of the utility model.

[0017] In the drawings, the component list represented by each sign is as follows:

[0018] 1, PU surface layer, 2, inner lining layer, 3, scratch-proof layer, 31, ethylene propylene rubber layer, 32, gap groove, 4, convex block, 5, wear-resistant waterproof layer. DETAILED DESCRIPTION

[0019] In the following, the embodiment of four-way elastic half PU saddle leather of the utility model will be described with reference to the drawings.

[0020] Figs. 1-2 Show the four-way elastic half PU saddle leather of an embodiment of the utility model, it includes PU surface layer 1: the bottom of PU surface layer 1 is bonded with inner lining layer 2, the top of PU surface layer 1 is bonded with scratch-proof layer 3, the inner cavity of scratch-proof layer 3 is provided with convex block 4 extending to the outside, the outside of convex block 4 is bonded with wear-resistant waterproof layer 5, scratch-proof layer 3 is composed of polyurethane elastic fiber layer and ethylene propylene rubber layer 31, ethylene propylene rubber layer 31 is wrapped in the inside of polyurethane elastic fiber layer, through the setting of ethylene propylene rubber layer 31, because the cold resistance of ethylene propylene rubber is better, and has higher impact elasticity and ageing resistance, can protect PU surface layer 1 in low temperature environment, and further increases its elasticity through interlaced weaving, ethylene propylene rubber layer 31 is made of ethylene propylene rubber strip horizontal and vertical interlaced weaving, the thickness of ethylene propylene rubber strip is 0.8 millimeter, the thickness of scratch-proof layer 3 is 2-2.5 millimeter, gap groove 32 is set between ethylene propylene rubber strip, convex block 4 is bonded in the inner cavity of gap groove 32, convex block 4 is rectangularly arranged in the inner cavity of scratch-proof layer 3, wear-resistant waterproof layer 5 is made of dacron fiber weaving, convex block 4 is composed of any one material quality of PVC latex, silicone.

[0021] Working principle: the utility model uses, the user can effectively improve the wear resistance of the saddle leather surface through wear -resisting waterproof layer 5, thereby improving its service life, the convex block 4 can increase the friction resistance when the user uses, thereby improving the antiskid effect of the saddle leather, wherein the convex block 4 is embeddedly installed in the inner chamber of the scratch -resistant layer 3, can improve the stability of the convex block 4 connection, avoid the convex block 4 in the friction use, appear to fall off and misplacement, wherein the ethylene-propylene rubber layer 31 has better cold resistance and elasticity, thereby protecting the PU surface layer 1, reduces the possibility of PU surface layer 1 being broken, thereby effectively improving the service life of the saddle leather.

[0022] In summary: the four elastic saddle leather half PU, through the scratch -resistant layer 3 to the PU surface layer 1 protection, reduce the possibility of PU surface layer 1 being broken, thereby effectively improving the service life of the saddle leather.

Claims

1. A four-way stretch semi-PU saddle leather, characterized in that, The application relates to a PU surface layer (1), the bottom of the PU surface layer (1) is bonded with an inner lining layer (2), the top of the PU surface layer (1) is bonded with a scratch-proof layer (3), the inner cavity of the scratch-proof layer (3) is provided with convex block (4) extending to the outside, and the outside of the convex block (4) is bonded with a wear-resistant waterproof layer (5).

2. A four-way stretch semi-PU saddle leather according to claim 1, characterized in that, The scratch-proof layer (3) is composed of a polyurethane elastic fiber layer and an ethylene-propylene rubber layer (31), and the ethylene-propylene rubber layer (31) is wrapped in the polyurethane elastic fiber layer.

3. A four-way stretch half PU saddle leather according to claim 2, characterized in that, The ethylene-propylene rubber layer (31) is made of ethylene-propylene rubber strips which are transversely and longitudinally staggered and woven, gaps (32) are arranged between the ethylene-propylene rubber strips, and the convex block (4) is bonded in the inner cavity of the gaps (32).

4. The four-way stretch semi-PU saddle leather according to claim 3, characterized in that, The convex block (4) is arranged in the inner cavity of the scratch-proof layer (3) in a rectangular array.

5. A four-way stretch half PU saddle leather according to claim 4, characterized in that, The wear-resistant waterproof layer (5) is made of dacron fiber weaving.

6. A four-way stretch half PU saddle leather according to claim 5, characterized in that, The convex block (4) is composed of any one of PVC latex and silica gel.

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