High-strength PE profile

By using a multi-layered structural design and a mortise and tenon joint connection, the shortcomings of high-strength PE profiles in terms of mechanical properties are solved, achieving high strength, bending resistance, and compressive strength, making it suitable for high-load and static-sensitive applications.

CN223812399UActive Publication Date: 2026-01-20QINGDAO NANYANG POLI FILM IND
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Patent Information

Application Number
CN202520448091.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-01-20
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

Existing high-strength PE profiles have insufficient compressive and deformation resistance in terms of mechanical properties, and their overall strength and bending resistance are weak, which cannot meet the requirements of high-load application scenarios such as building structures and industrial supports.

Method used

The design employs a multi-layer structure, including a base layer, a transition layer, a wear-resistant layer, an anti-static layer, and an intermediate cavity filler. Combined with X-shaped reinforcing ribs and mortise and tenon joints, it enhances the overall strength and bending resistance of the profile, and improves friction and ease of assembly through protrusions.

Benefits of technology

It significantly improves the strength and bending resistance of the profiles, enhances splicing stability, provides thermal insulation and anti-static functions, extends service life, and is suitable for static-sensitive environments and high-load scenarios.

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Abstract

The utility model discloses a high-strength PE profile which comprises a profile body, a plurality of protruding blocks are arranged at the bottom of the profile body, a connecting tenon and a connecting mortise are arranged at the two ends of the profile body respectively, the profile body is composed of a base body layer, a transition layer, a wear-resisting layer and an anti-static layer, two side edge cavities and a middle cavity are formed in the base body layer, and the middle cavity is arranged in the middle cavity. Reinforcing ribs are arranged in the two side edge cavities, and the middle cavity is filled with filler. The symmetrically-designed side edge cavities and the X-shaped reinforcing ribs effectively disperse stress, the strength and the bending resistance of the sectional material are enhanced, and the sectional material is kept stable under various working conditions.
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Description

Technical Field

[0001] This utility model relates to the field of profile technology, and in particular to a high-strength PE profile. Background Technology

[0002] High-strength PE profiles refer to profiles made primarily of polyethylene through specific processing techniques, resulting in high strength. The process typically involves extrusion molding, where polyethylene raw materials are melted at high temperatures and then extruded through a specific die to form various shapes, such as pipes, sheets, and profiles. During extrusion, process parameters such as temperature, pressure, and extrusion speed can be adjusted to control the profile's density, crystallinity, and other microstructures, thereby increasing its strength. Additives such as reinforcing agents and toughening agents can also be added to the raw materials to further improve the profile's performance.

[0003] While current technological advancements in profiles ensure a certain level of overall strength through material selection, significant deficiencies remain in their mechanical properties. Their compressive and deformation resistance are poor; when subjected to external pressure or impact, stress cannot be effectively dispersed, making the base layer highly susceptible to deformation or even damage. Simultaneously, the overall strength and bending resistance of these profiles are also relatively weak. Under heavy loads, they cannot operate as reliably as profiles with specific structural features, severely limiting their use in high-load applications such as building structures and industrial supports, and failing to meet the stringent requirements for material mechanical properties in these scenarios. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a high-strength PE profile.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A high-strength PE profile includes a profile body with multiple protrusions at the bottom and connecting tenons and mortises at both ends. The profile body is composed of a base layer, a transition layer, a wear-resistant layer, and an antistatic layer. The base layer has two side cavities and one intermediate cavity inside. Reinforcing ribs are provided in both side cavities, and the intermediate cavity is filled with filler material.

[0007] Preferably, the two side cavities are designed symmetrically with respect to the central cavity, and the reinforcing ribs in both side cavities are designed in an X-shape.

[0008] Preferably, the transition layer is disposed on the upper surface and side surface of the substrate layer, and the transition layer is specifically a basalt fiber woven mesh.

[0009] Preferably, the wear-resistant layer is arranged on the end surface of the base layer and on the transition layer, and the wear-resistant layer is PE mixed silicon carbide particles.

[0010] Preferably, the side surface of the base layer is further provided with an ultraviolet resistant layer on the transition layer, and the ultraviolet resistant layer is high-density polyethylene.

[0011] Preferably, the anti-static layer is arranged at the bottom of the base layer, and the anti-static layer is modified LDPE.

[0012] Preferably, the filler is foamed PE, and the surface of the protruding block is provided with anti-skid lines.

[0013] The utility model discloses the beneficial effects of:

[0014] 1, symmetrically designed side cavity and X-shaped reinforcing rib effectively disperse stress, enhance the strength and bending resistance of the section bar, make it keep stable under various working conditions.

[0015] 2, foamed PE filler reduces the weight of the section bar, facilitates carrying and installation, and provides heat insulation performance, and is suitable for environments with heat insulation requirements.

[0016] 3, the wear-resistant layer and the ultraviolet resistant layer greatly improve the wear resistance and weather resistance of the section bar, reduce wear and aging, and prolong the service life.

[0017] 4, the connecting mortise and tenon structure makes the section bar splicing fast and firm, can be flexibly combined according to different engineering requirements, and improves construction efficiency.

[0018] 5, the anti-static layer can timely remove static electricity, avoids damage to electronic equipment and products, and is suitable for electrostatic sensitive environments. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A structure diagram of a high-strength PE section bar is provided for the utility model;

[0020] Figure 2 A Figure 1 structure diagram is shown in the figure;

[0021] Figure 3 A Figure 1 vertical section structure diagram is shown in the figure;

[0022] Figure 4 A Figure 3 structure enlarged diagram of A is shown in the figure.

[0023] In the figure: 1, section bar body, 2, connecting tenon, 3, connecting mortise, 4, protruding block, 5, base layer, 6, side cavity, 7, reinforcing rib, 8, middle cavity, 9, filler, 10, transition layer, 11, wear-resistant layer, 12, anti-static layer. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0025] With reference to Figures 1-4 The high-strength PE profile mainly comprises a profile body 1. The bottom of the profile body 1 is provided with a plurality of protrusions 4, which can increase the friction and support stability when the profile contacts other objects. For example, when the profile is laid on the ground, the anti-skid lines on the surface of the protrusions 4 can effectively prevent the profile from sliding. At the same time, the protrusions 4 can also disperse the pressure borne by the profile to some extent and enhance the load-bearing capacity.

[0026] The two ends of the profile body 1 are respectively provided with a connecting tenon 2 and a connecting mortise 3. The connecting tenon 2 and the connecting mortise 3 are designed to facilitate the splicing and installation of the profiles. In actual use, the connecting tenon 2 of one profile can be tightly inserted into the connecting mortise 3 of another profile, and through this mortise-and-tenon structure, the profiles can be quickly and firmly connected, thereby meeting the engineering requirements of different lengths and shapes and improving the construction efficiency.

[0027] The profile body 1 is composed of multiple layers, and from inside to outside, it comprises a base layer 5, a transition layer 10, a wear-resistant layer 11 and an anti-static layer 12.

[0028] The base layer 5 is the main support structure of the profile. It is internally provided with two side cavities 6 and one middle cavity 8. The two side cavities 6 are symmetrically designed relative to the middle cavity 8, and this symmetrical structure helps to ensure the uniformity of the stress of the profile in all directions. The two side cavities 6 are both provided with X-shaped reinforcing ribs 7. The X-shaped reinforcing ribs 7 can provide the maximum support strength in a limited space. When the profile is subjected to external pressure or impact force, the X-shaped reinforcing ribs 7 can effectively disperse the stress and prevent the base layer 5 from deforming or being damaged, thereby greatly improving the overall strength and bending resistance of the profile.

[0029] The middle cavity 8 is filled with a filler 9, which is foamed PE. The foamed PE has the characteristics of light weight, heat insulation and buffering, and when filled in the middle cavity 8, it can reduce the overall weight of the profile, facilitating transportation and installation. On the other hand, when the profile is subjected to external impact, the foamed PE can play a buffering role to further protect the base layer 5 and also improve the heat insulation performance of the profile.

[0030] And the intermediate cavity 8 is honeycomb-shaped, the honeycomb structure has strong pressure resistance and can uniformly disperse pressure, the profile has light weight and high compression strength, is suitable for heavy load bearing scenes, reduces material usage and overall weight, facilitates handling and installation, and has obvious advantages in fields with strict weight requirements. The internal micro air chamber can prevent heat and sound transmission, and can reduce energy consumption and noise interference in building and industrial partition applications. Uniform distribution balances the mechanical properties of the profile in all directions, and deformation and damage due to local stress concentration are less likely when subjected to external forces, ensuring long-term reliable use.

[0031] The transition layer 10 is provided on the upper surface and side surface of the base layer 5. The transition layer 10 is specifically a basalt fiber woven mesh. Basalt fiber has excellent properties such as high strength, high modulus, high temperature resistance, and chemical corrosion resistance. Making it into a woven mesh as a transition layer 10 can enhance the bonding force between the base layer 5 and the external functional layer. Due to the presence of the basalt fiber woven mesh, the wear-resistant layer 11 and the ultraviolet-resistant layer can be more firmly attached to the base layer 5, avoiding delamination during use, and further improving the overall strength and durability of the profile.

[0032] The wear-resistant layer 11 is provided on the upper end surface of the base layer 5 and on the transition layer 10. The wear-resistant layer 11 is a mixture of PE and silicon carbide particles. PE itself has a certain wear resistance, and silicon carbide particles have extremely high hardness. Mixing them to make a wear-resistant layer 11 can significantly improve the wear resistance of the profile surface. In some application scenarios that are often subject to friction, such as industrial equipment guide rails, the wear-resistant layer 11 can effectively reduce the wear of the profile surface and prolong the service life of the profile.

[0033] The base layer 5 side surface is also provided with an ultraviolet-resistant layer on the transition layer 10, and the ultraviolet-resistant layer is high-density polyethylene. High-density polyethylene has good weather resistance and can effectively block ultraviolet rays from damaging the internal structure of the profile. In outdoor use, ultraviolet rays can accelerate the aging of plastic materials, making the materials brittle and reducing their strength. The presence of the ultraviolet-resistant layer can greatly reduce the impact of ultraviolet rays on the base layer 5 and other internal structures, maintain the stability of the profile's performance, and prolong its service life in outdoor environments.

[0034] The anti-static layer 12 is provided at the bottom of the base layer 5, and the anti-static layer 12 is modified LDPE. In some environments sensitive to static electricity, such as electronic equipment production workshops, static electricity can cause damage to equipment or products. The anti-static layer 12 made of modified LDPE can quickly conduct static electricity generated on the surface of the profile, preventing the accumulation of static electricity and protecting surrounding electronic equipment and products from static interference and damage.

[0035] The utility model discloses use, and the section bar body 1 satisfies different performance demand through the cooperation of multilayer structure. The base layer 5 is as main support, and the inside reinforcing rib 7 and the filler 9 strengthen the strength and provide the buffer;The transition layer 10 strengthens each layer connection, and the whole structure stability is ensured;Abrasion -resistant layer 11 protects the section bar surface, and the daily friction is resisted;The ultraviolet rays layer blocks the ultraviolet rays erosion, and prevents the material ageing;The antistatic layer 12 eliminates static electricity in time, avoids static electricity harm;The lug 4 and the connecting structure have guaranteed the section bar's use stability and splicing convenience respectively.

[0036] The above is only the preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the utility model disclosed technical range, according to the utility model technical scheme and the utility model concept are equivalent to replace or change, all should be covered in the protection scope of the utility model.

Claims

1. A high-strength PE profile comprising a profile body (1), characterized in that The profile body (1) is provided with a plurality of protrusions (4) at the bottom, and is respectively provided with a connecting tenon (2) and a connecting mortise (3) at both ends, and is composed of a base layer (5), a transition layer (10), a wear-resistant layer (11) and an anti-static layer (12), the base layer (5) is internally provided with two side cavities (6) and one middle cavity (8), the two side cavities (6) are both internally provided with a reinforcing rib (7), and the middle cavity (8) is filled with a filling material (9).

2. A high-strength PE profile according to claim 1, characterized in that The two side cavities (6) are symmetrically designed relative to the middle cavity (8), and the reinforcing ribs (7) in the two side cavities (6) are both designed in an X shape.

3. A high-strength PE profile according to claim 2, characterized in that The transition layer (10) is arranged on the upper surface and the side surface of the base layer (5), and is specifically a basalt fiber woven net.

4. A high-strength PE profile according to claim 3, characterized in that The wear-resistant layer (11) is arranged on the upper end surface of the base layer (5) and is above the transition layer (10), and is PE mixed with silicon carbide particles.

5. A high-strength PE profile according to claim 4, characterized in that The side surface of the base layer (5) is further provided with an ultraviolet-resistant layer above the transition layer (10), and the ultraviolet-resistant layer is high-density polyethylene.

6. A high-strength PE profile according to claim 5, characterized in that The anti-static layer (12) is arranged at the bottom of the base layer (5), and is modified LDPE.

7. A high-strength PE profile according to claim 6, characterized in that The filling material (9) is foamed PE, and the surface of the protrusion (4) is provided with anti-skid lines.