Wear-resistant container sealing strip

Abstract

The utility model relates to the technical field of container sealing strips, and particularly discloses a wear-resistant container sealing strip which comprises a base body layer, the section of the base body layer is in a hollow trapezoid shape, and barb structures are symmetrically and fixedly connected to the two sides of the bottom of the base body layer. The barb structure is composed of a bevel edge inclining towards the inner side and a limiting protruding block formed by bending the tail end, the arc-shaped sealing protrusion deforms under the pressure of a door frame, the arc-shaped sealing protrusion is tightly attached to the contact face through resilience force of elastic materials, gaps are filled, waterproof and dustproof sealing is achieved, the surface of the sealing protrusion is covered with the abrasion-resistant layer made of polyurethane, and therefore the sealing effect is good. Friction stress is dispersed through wave textures, surface abrasion is reduced, the service life is prolonged, embedding of the framework layer into the base body layer is enhanced, overall tensile deformation of the sealing strip is restrained, collapse or distortion after long-term compression is prevented, all structures act synergistically, the sealing performance, durability and anti-fatigue performance are remarkably improved, and the sealing strip is suitable for frequent opening and closing and severe working condition environments and has wide application prospects. The service life of the sealing strip is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to container sealing strip technical field, specifically disclose a wear -resisting type container sealing strip. BACKGROUND

[0002] Sealing strip, it is sealed to a thing, make it not easy to open, play shock attenuation, waterproof, sound insulation, heat insulation, dustproof and fixed effect's product, sealing strip has rubber, paper, metal and plastic and so on many kinds of materials, from the 80's, sealing strip has been applied to the automobile, door and window, cabinet, refrigerator and container and various industries, according to the requirement of different industries, has developed the special automobile sealing strip, mechanical sealing strip and door and window sealing strip and so on product in succession;

[0003] Container sealing strip is mainly used for the sealing of container cargo cabinet door frame, and can be divided into weather sealing strip (general container for general cargo) and air tight adhesive strip (insulation container) according to the function;

[0004] Traditional sealing strip has problems of insufficient wear resistance, easy aging and cracking, especially under the condition of frequent opening and closing doors and harsh environment, the surface wear of sealing strip can lead to sealing failure. Although the wear resistance is improved by material modification in the prior art, there is still room for improvement in the synergistic optimization of wear resistance and installation stability of the structural design. INVENTION CONTENTS

[0005] The utility model provides a wear -resisting type container sealing strip, through the deformation of arc sealing protruding under the door frame pressure, the resilience of elastic material is used to tightly contact surface, fill the gap, realize waterproof, dustproof sealing, the wear -resisting layer of polyurethane material covers the surface of sealing protruding, disperses friction stress through wave texture, reduces surface wear, prolongs life.

[0006] The utility model is realized in this way, a wear -resisting type container sealing strip, comprising:

[0007] The base layer is hollow trapezoidal in cross section, and two symmetrical inverted hook structures are fixedly connected to the bottom of the base layer, the inverted hook structure is composed of an inclined edge inclined inward and a limiting protrusion formed by bending the end, and the cross section of the limiting protrusion is a right-angle trapezoid.

[0008] The arc-shaped sealing protrusion is fixedly connected to the top of the base layer, and the outer wall of the arc-shaped sealing protrusion is fixedly connected with a wear-resistant layer, and the wear-resistant layer forms a continuous wave-shaped texture.

[0009] The reinforcing framework layer is arranged inside the base layer.

[0010] As a kind of wear-resistant container sealing strip preferred of the utility model, the cross section of the arc-shaped sealing protrusion is semicircular, and the bottom width of the arc-shaped sealing protrusion is equal to the top width of the base layer.

[0011] As a kind of wear-resistant container sealing strip preferred of the utility model, the material of the wear-resistant layer is polyurethane material, the peak distance of the continuous wave shape texture is 0.8-1.5mm, and the wave height is 0.3-0.6mm.

[0012] As a kind of wear-resistant container sealing strip preferred of the utility model, the reinforcing framework layer is a nylon woven net.

[0013] As a kind of wear-resistant container sealing strip preferred of the utility model, a plurality of columnar support bodies are arranged in the hollow cavity of the base layer and are distributed along the length direction of the base layer, and the cross section of the columnar support body is circular.

[0014] As a kind of wear-resistant container sealing strip preferred of the utility model, the material of the base layer is ethylene-propylene-diene rubber.

[0015] The utility model has the advantages of:

[0016] The utility model discloses a wear-resistant container sealing strip, which comprises a base layer, a wear-resistant layer and a reinforcing framework layer, wherein the base layer is arranged on the wear-resistant layer, and the reinforcing framework layer is arranged on the wear-resistant layer. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the drawings needed to be used in the specific embodiments or prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally indicated by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual proportion.

[0018] Fig. 1 It is the whole sectional view of the utility model;

[0019] Fig. 2 It is the reinforcing framework layer structure diagram of the utility model.

[0020] 1, base layer; 2, wear-resistant layer; 3, reinforcing framework layer; 4, arc-shaped sealing protrusion; 5, barb structure; 6, bevel; 7, limiting protrusion; 8, columnar support body. DETAILED DESCRIPTION

[0021] The utility model will be further explained in connection with the drawings and specific embodiments to help understand the contents of the utility model. The method used in the utility model is conventional if no special provision; the raw materials and devices used are conventional if no special provision.

[0022] Please refer to Figs. 1-2 A wear-resistant container sealing strip, comprising:

[0023] The base layer 1 has a hollow trapezoidal cross section, and the base layer 1 is fixedly connected with the barb structure 5 on both sides of the bottom thereof, the barb structure 5 is composed of the bevel 6 inclined inwardly and the limiting protrusion 7 formed by bending the end, and the limiting protrusion 7 has a right-angled trapezoidal cross section.

[0024] The arc-shaped sealing protrusion 4 is fixedly connected to the top of the base layer 1, and the outer wall of the arc-shaped sealing protrusion 4 is fixedly connected with the wear-resistant layer 2, and the wear-resistant layer 2 forms a continuous wavy texture.

[0025] The reinforcing framework layer 3 is arranged in the interior of the base layer 1.

[0026] In the embodiment, the bevel 6 of the barb structure 5 guides the sealing strip to be embedded into the container door frame mounting groove, the limiting protrusion 7 with a right-angled trapezoidal end is provided with a “hook-shaped” clamping function to provide bidirectional resistance and ensure the stability of installation, when the container is closed, the arc-shaped sealing protrusion 4 is deformed under the pressure of the door frame, and the elastic material is used to tightly contact the contact surface by the elastic force, fill the gap, achieve waterproof and dustproof sealing, the wear-resistant layer 2 made of polyurethane covers the surface of the sealing protrusion, disperses the frictional stress through the wavy texture, reduces the surface wear, prolongs the service life, the reinforcing framework layer 3 is embedded into the interior of the base layer 1 to inhibit the overall tensile deformation of the sealing strip, prevent the sealing strip from collapsing or twisting after being pressed for a long time, the hollow design reduces the weight and provides an elastic buffer space, the trapezoidal cross section is suitable for the shape of the door frame slot, and the columnar support bodies 8 with a circular cross section are distributed in the hollow cavity of the base layer 1 to prevent the hollow structure from collapsing under pressure and maintain the elastic recovery ability.

[0027] As a technical optimization scheme of the utility model, the cross section of the arc-shaped sealing protrusion 4 is semicircular, and the bottom end width of the arc-shaped sealing protrusion 4 is equal to the top end width of the base layer 1.

[0028] In the embodiment, the arc-shaped sealing protrusion 4 is deformed under the pressure of the door frame, and the elastic material is used to tightly contact the contact surface by the elastic force, fill the gap, achieve waterproof and dustproof sealing.

[0029] As a technical optimization scheme of the utility model, the material of the wear-resistant layer 2 is polyurethane material, the peak distance of the continuous wave shape texture is 0.8-1.5mm, and the wave height is 0.3-0.6mm.

[0030] In the embodiment, the wear-resistant layer 2 of polyurethane material covers the sealing convex surface, disperses the friction stress through the wave texture, reduces the surface wear, and prolongs the service life.

[0031] As a technical optimization scheme of the utility model, the reinforcing framework layer 3 is a nylon woven net.

[0032] In the embodiment, the reinforcing framework layer 3 is a nylon woven net embedded in the base layer 1, which inhibits the overall tensile deformation of the sealing strip and prevents collapse or distortion after long-term compression.

[0033] As a technical optimization scheme of the utility model, a plurality of columnar support bodies 8 are arranged in the hollow cavity of the base layer 1 in a spaced manner along the length direction of the base layer 1, and the cross section of the columnar support body 8 is circular.

[0034] In the embodiment, the columnar support bodies 8 with circular cross sections are arranged in the hollow cavity of the base layer 1 in a spaced manner, which prevents the hollow structure from collapsing under pressure and maintains the elastic recovery ability.

[0035] As a technical optimization scheme of the utility model, the material of the base layer 1 is ethylene-propylene-diene rubber.

[0036] In the embodiment, the material of the base layer 1 is ethylene-propylene-diene rubber, which is good in elasticity and ensures that the sealing convex part rebounds quickly after compression.

[0037] The working principle and use process of the utility model are as follows: the inclined edge 6 of the barb structure 5 guides the sealing strip to be embedded in the container door frame mounting groove, the limiting block 7 at the end of the right-angled trapezoidal shape is clamped in a "hook shape", bidirectional resistance is provided, the installation stability is ensured, when the container is closed, the arc-shaped sealing convex part 4 is deformed under the pressure of the door frame, the elastic material is rebounded to tightly contact the surface, the gap is filled, waterproof and dustproof sealing is realized, the wear-resistant layer 2 of polyurethane material covers the surface of the sealing convex part, the friction stress is dispersed through the wave texture, the surface wear is reduced, the service life is prolonged, the reinforcing framework layer 3 is embedded in the base layer 1, the overall tensile deformation of the sealing strip is inhibited, collapse or distortion after long-term compression is prevented, the hollow design reduces the weight and provides elastic buffer space, the trapezoidal cross section is adapted to the shape of the door frame slot, the columnar support bodies 8 with circular cross sections are arranged in the hollow cavity of the base layer 1 in a spaced manner, which prevents the hollow structure from collapsing under pressure and maintains the elastic recovery ability.

[0038] In the description of the utility model, need understanding is, the term "left", "right", "up", "down", "top", "bottom", "front", "back", "inside", "outside", "back", "intermediate" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicating or implying that the indicated device or element must have a specific orientation, a specific orientation structure and operation, therefore it cannot be understood as a limitation on the utility model.

[0039] The above-mentioned is only a specific embodiment of the utility model, and cannot limit the range of the utility model, so the replacement of equivalent components or equivalent changes and modifications made in the protection range of the utility model patent should still belong to the scope covered by the claims of the utility model.

Claims

1. A wear-resistant container sealing strip, characterized in that: include: The substrate layer (1) has a hollow trapezoidal cross section. The bottom two sides of the substrate layer (1) are symmetrically fixed with barb structures (5). The barb structure (5) is composed of an inwardly inclined side (6) and a limiting protrusion (7) formed by bending at the end. The cross section of the limiting protrusion (7) is a right trapezoid. Arc-shaped sealing protrusion (4) is fixedly connected to the top of the substrate layer (1). The outer wall of the arc-shaped sealing protrusion (4) is fixedly connected to a wear-resistant layer (2), which forms a continuous wave-shaped texture. A reinforcing skeleton layer (3) is disposed inside the matrix layer (1).

2. The wear-resistant container sealing strip according to claim 1, characterized in that: The cross-section of the arc-shaped sealing protrusion (4) is semi-circular, and the bottom width of the arc-shaped sealing protrusion (4) is equal to the top width of the substrate layer (1).

3. The wear-resistant container sealing strip according to claim 1, characterized in that: The wear-resistant layer (2) is made of polyurethane, and the peak spacing of the continuous wave-shaped texture is 0.8-1.5mm, and the wave height is 0.3-0.6mm.

4. The wear-resistant container sealing strip according to claim 1, characterized in that: The reinforcing skeleton layer (3) is a nylon woven mesh.

5. The wear-resistant container sealing strip according to claim 1, characterized in that: The hollow cavity of the substrate layer (1) is provided with a plurality of columnar supports (8) spaced apart along the length of the substrate layer (1), and the cross section of the columnar supports (8) is circular.

6. The wear-resistant container sealing strip according to claim 1, characterized in that: The substrate layer (1) is made of EPDM rubber.

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