Shrinkage-resistant wear-resistant polyurethane decorating part
By coating the polyurethane decorative parts with a waterproof and wear-resistant layer, and combining it with a connecting spring and washer design, the problem of easy wear due to friction during the installation of polyurethane decorative parts is solved, thereby improving wear resistance and shrinkage resistance.
Patent Information
- Application Number
- CN202520728847.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-04-17
AI Technical Summary
During installation, urethane decorative parts are prone to wear and tear due to material friction, resulting in poor surface abrasion resistance.
A waterproof and wear-resistant layer is coated on the outer wall of the decorative part body and the connecting mounting plate. The connecting mounting plate is provided with mounting holes and equipped with connecting springs and washers. Combined with chemical or physical modification to enhance the flexibility and elasticity of the material, the shrinkage resistance is improved through integrated casting design.
It improves the wear resistance and assembly protection of urethane decorative parts, enhances the material's shrinkage resistance, and ensures that it is not easily worn during use.
Smart Images

Figure CN223821361U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to urethane decoration part technical field, concretely is a kind of anti-shrinkage wear-resistant polyurethane decorative parts. BACKGROUND
[0002] Urethane decoration part refers to the ornament or decorative component made of polyurethane material, and polyurethane is a synthetic resin product prepared by foaming process, which can easily create various texture modeling products due to its excellent plasticity, and can be sprayed with various nature paints after construction to further enhance its decorative effect, so it has diversified forms and wide application fields.
[0003] During the use of urethane decoration part, it needs to be used in construction, furniture manufacturing, transportation or other fields, and during the actual use of urethane decoration part, it sometimes needs to be exposed for use or is prone to friction between materials during installation, so the surface wear resistance of urethane decoration part is poor, which is prone to wear of urethane decoration part. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of anti-shrinkage wear-resistant polyurethane decorative parts to solve the problem that the surface wear resistance of urethane decoration part is poor during installation, which is prone to wear of urethane decoration part.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of anti-shrinkage wear-resistant polyurethane decorative parts, including decoration part main body, the outer edge of the decoration part main body is fixed with connection mounting piece, the outer side wall of the decoration part main body and connection mounting piece is coated with water barrier layer, the outer side wall of the water barrier layer is coated with wear-resistant layer, second installation hole is formed in the connection mounting piece, and the second installation hole is formed with the concave groove of concave, the connection mounting piece is connected with the connecting spring at the position of the periphery of second installation hole, the tail end of the connecting spring is connected with the grommet, and the third installation hole is formed in the grommet.
[0006] As a further technical scheme of the utility model, the connecting spring is annularly distributed about the center of the grommet, and the head of the connecting spring and the lower part of the connection mounting piece can be fixed by using a glue layer.
[0007] As a further technical scheme of the utility model, the other head of the connecting spring and the outer wall surface of the grommet can be fixed by using a glue layer, and the third installation hole and the second installation hole are located on the same axis.
[0008] As a further technical scheme of the utility model, the connection mounting piece is annularly distributed about the center of the decoration part main body, and the decoration part main body and the connection mounting piece are designed as pouring plastic integration.
[0009] As a further technical solution of this utility model, the coating surface area of the waterproof layer is the same as the outer surface area of the decorative body and the connecting mounting piece, and the coating surface area of the wear-resistant layer is the same as that of the waterproof layer.
[0010] As a further technical solution of this utility model, a hollow first mounting hole is provided at the middle position of the main body of the decorative component, and a groove end is formed at the top position between the periphery of the first mounting hole and the main body of the decorative component.
[0011] As a further technical solution of this utility model, a protruding end is formed at the bottom position between the periphery of the first mounting hole and the main body of the decorative part, and the recessed position of the groove end and the protruding position of the protruding end are adapted to each other.
[0012] As a further technical solution of this utility model, a protective pad is attached and fixed to the outer surface of the groove end, and the protective pad and the outer surface of the groove end form an adhesive connection.
[0013] Compared with the prior art, the beneficial effects of this utility model are: this anti-shrinkage and wear-resistant polyurethane decorative part not only improves the wear-resistant protection ability, but also improves the padding protection ability and assembly protection ability of the urethane decorative part.
[0014] (1) A water-proof layer is coated on the outer side wall of both the decorative body and the connecting mounting piece. A wear-resistant layer is coated on the outer side wall of the water-proof layer. The surface area of the water-proof layer is the same as the surface area of the decorative body and the connecting mounting piece. The surface area of the wear-resistant layer is the same as that of the water-proof layer. The water-proof layer and the wear-resistant layer are designed in a progressive manner. Therefore, the wear-resistant layer is located on the outermost layer. So when the decorative body and the connecting mounting piece are used together, the wear-resistant layer can form the outermost wear-resistant protection first, while the water-proof layer plays the role of water-proof protection. When the decorative body and the connecting mounting piece are molded with polyurethane, chemical or physical modification can be carried out to enhance their flexibility, extensibility and elasticity, thereby improving the shrinkage resistance of the material. This goal can be achieved by adding appropriate additives.
[0015] (2) By opening the second mounting hole inside the connecting mounting piece, the connecting mounting piece can be extended and the second mounting hole can be used for auxiliary installation. The bottom surface of the connecting mounting piece is connected to the connecting snap ring, and the bottom surface of the connecting snap ring is connected to the washer. The third mounting hole is opened in the washer. The second mounting hole and the third mounting hole are located on the same axis, which facilitates the subsequent positioning and installation work.
[0016] (3) By opening the first mounting hole in the middle position of the decorative part body, and forming a recessed groove end on the top surface between the first mounting hole and the decorative part body, and forming a protruding end on the bottom surface of the decorative part body, the recessed groove end and the protruding end are adapted to each other, and a protective pad is glued and fixed at the groove end position, so that the protective pad can form contact protection during installation, thus improving the overall assembly protection capability during the working process. Attached Figure Description
[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0018] Figure 2 This is a schematic diagram of the rear three-dimensional structure of this utility model;
[0019] Figure 3 This is a schematic cross-sectional view of the main body of the decorative component of this utility model;
[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the connecting mounting plate of this utility model.
[0021] In the diagram: 1. Decorative body; 2. Groove end; 3. Connecting mounting plate; 4. Lower groove; 5. First mounting hole; 6. Protective pad; 7. Protruding end; 8. Waterproof layer; 9. Wear-resistant layer; 10. Second mounting hole; 11. Washer ring; 12. Third mounting hole; 13. Connecting snap ring. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Please see Figures 1-4 An embodiment of this utility model provides: a shrinkage-resistant and wear-resistant polyurethane decorative part, including a decorative part body 1, a connecting mounting piece 3 fixed at the outer edge of the decorative part body 1, a water-proof layer 8 coated on the outer side wall of both the decorative part body 1 and the connecting mounting piece 3, a wear-resistant layer 9 coated on the outer side wall of the water-proof layer 8, a second mounting hole 10 formed in the connecting mounting piece 3, a recessed groove 4 formed on the second mounting hole 10, a connecting snap ring 13 connected to the connecting mounting piece 3 at a position around the second mounting hole 10, a washer ring 11 connected to the tail end of the connecting snap ring 13, and a third mounting hole 12 formed in the washer ring 11.
[0024] The connecting snap rings 13 are arranged in a ring about the center of the washer ring 11, and one end of the connecting snap rings 13 can be fixed to the bottom of the connecting mounting plate 3 with an adhesive layer.
[0025] The other end of the connecting snap ring 13 can be fixed to the outer wall of the washer 11 with an adhesive layer, and the third mounting hole 12 and the second mounting hole 10 are located on the same axis.
[0026] The connecting mounting pieces 3 are arranged in a ring around the center of the decorative body 1, and the decorative body 1 and the connecting mounting pieces 3 are integrated into a single molded design.
[0027] The surface area of the waterproof layer 8 is the same as the outer surface area of the decorative body 1 and the connecting mounting piece 3, and the surface area of the wear-resistant layer 9 is the same as that of the waterproof layer 8.
[0028] A hollow first mounting hole 5 is provided in the middle of the main body 1 of the decorative part, and a groove end 2 is formed at the top position between the periphery of the first mounting hole 5 and the main body 1 of the decorative part.
[0029] A protruding end 7 is formed at the bottom position between the periphery of the first mounting hole 5 and the main body 1 of the decorative part, and the recess of the groove end 2 and the protruding position of the protruding end 7 are adapted to each other.
[0030] A protective pad 6 is attached and fixed to the outer surface of the groove end 2, and the protective pad 6 and the outer surface of the groove end 2 form an adhesive connection.
[0031] Furthermore, when polyurethane molding is used for the main body 1 of the decorative parts and the connecting mounting piece 3, chemical or physical modifications can be made to enhance its flexibility, extensibility and elasticity, thereby improving the material's anti-shrinkage performance. This goal can be achieved by adding appropriate additives. Here, polyurethane molding refers to using polyurethane as the raw material and adding appropriate additives to the raw material for anti-shrinkage work.
[0032] Furthermore, during the polyurethane processing, process parameters such as temperature, pressure, and reaction time can be strictly controlled to prevent material shrinkage caused by excessive reaction. Heat treatment techniques, such as heat setting or high-temperature post-curing, can be used to increase the dimensional stability of polyurethane products and reduce the shrinkage rate.
[0033] Working principle: First, when polyurethane is used to mold the decorative body 1 and the connecting mounting piece 3, chemical or physical modification can be performed to enhance their flexibility, extensibility, and elasticity, thereby improving the material's shrinkage resistance. This can be achieved by adding appropriate additives. After molding, the decorative body 1 and the connecting mounting piece 3 are formed. The first mounting hole 5 is opened in the middle position inside the decorative body 1, and a recessed groove end 2 is formed on the top surface between the first mounting hole 5 and the decorative body 1, while a protruding end 7 is formed on the bottom surface of the decorative body 1. The recessed groove end 2 and the protruding end 7 are adapted to each other. A protective pad 6 is bonded and fixed at the position of the groove end 2, which can provide contact protection during installation. The second mounting hole 10 and the third mounting hole 12 are located on the same axis, so the connection assembly can be completed at the position of the first mounting hole 5 and the lower groove 4.
[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
Claims
1. A shrinkage-resistant and wear-resistant polyurethane decorative part, comprising a decorative part body (1), characterized in that: A connecting mounting piece (3) is fixed at the outer edge of the main body (1) of the decorative part. The outer walls of the main body (1) and the connecting mounting piece (3) are coated with a water-proof layer (8). The outer walls of the water-proof layer (8) are coated with a wear-resistant layer (9). A second mounting hole (10) is provided in the connecting mounting piece (3). A recessed groove (4) is formed on the second mounting hole (10). A connecting snap ring (13) is connected to the connecting mounting piece (3) at a position around the second mounting hole (10). A washer (11) is connected to the tail end of the connecting snap ring (13). A third mounting hole (12) is provided in the washer (11).
2. The shrinkage-resistant and wear-resistant polyurethane decorative part according to claim 1, characterized in that: The connecting spring (13) is arranged in a ring about the center of the washer (11), and one end of the connecting spring (13) can be fixed to the bottom of the connecting mounting piece (3) with an adhesive layer.
3. The shrinkage-resistant and wear-resistant polyurethane decorative part according to claim 1, characterized in that: The other end of the connecting snap ring (13) can be fixed to the outer wall of the washer (11) with an adhesive layer, and the third mounting hole (12) and the second mounting hole (10) are located on the same axis.
4. The shrinkage-resistant and wear-resistant polyurethane decorative part according to claim 1, characterized in that: The connecting mounting pieces (3) are arranged in a ring around the center of the decorative body (1), and the decorative body (1) and the connecting mounting pieces (3) are integrated into a cast plastic design.
5. The shrinkage-resistant and wear-resistant polyurethane decorative part according to claim 1, characterized in that: The surface area of the waterproof layer (8) is the same as that of the main body of the decorative part (1) and the connecting mounting piece (3), and the surface area of the wear-resistant layer (9) is the same as that of the waterproof layer (8).
6. The shrinkage-resistant and wear-resistant polyurethane decorative part according to claim 1, characterized in that: A hollow first mounting hole (5) is provided at the middle position of the main body (1) of the decorative part, and a groove end (2) is formed at the top position between the periphery of the first mounting hole (5) and the main body (1) of the decorative part.
7. The shrinkage-resistant and wear-resistant polyurethane decorative part according to claim 6, characterized in that: A protruding end (7) is formed at the bottom position between the periphery of the first mounting hole (5) and the body of the decorative part (1), and the recessed position of the groove end (2) and the protruding position of the protruding end (7) are adapted to each other.
8. The shrinkage-resistant and wear-resistant polyurethane decorative part according to claim 6, characterized in that: A protective pad (6) is attached and fixed to the outer surface of the groove end (2), and the protective pad (6) and the outer surface of the groove end (2) are bonded together.