Edge covering structure of swimming pool with hard plastic pool wall

Abstract

The utility model discloses an edge covering structure of a swimming pool with a hard plastic pool wall, which comprises the hard plastic pool wall, an upper end edge covering component and a lower end edge covering component, the hard plastic pool wall consists of a hard plastic sheet and a decorative film, and the decorative film is covered on the outer wall of the hard plastic sheet. The upper end edge covering assembly enables a first full-edge-covering plastic film to surround the edge of the upper end of the pool wall through the hot-pressing bonding technology, the lower end edge covering assembly comprises a second full-edge-covering plastic film which surrounds the edge of the lower end of the pool wall through the hot-pressing bonding technology, and the inner wall of the second full-edge-covering plastic film is provided with a half-edge-covering plastic rolled edge through the hot-pressing bonding technology. A swimming pool bottom sheet is connected to the outer side wall of the other end of the half-edge-covered plastic rolled edge through a plurality of high-frequency welding lines; according to the lower end edge covering assembly, after the swimming pool is filled with water, the pulling force of the pool water to the bottom can be effectively dispersed, cracks or gaps are prevented from occurring at the edge covering position, then the water leakage problem is prevented, and the waterproof performance and durability of the swimming pool are improved.

Description

Technical Field

[0001] This utility model belongs to the field of plastic swimming pool technology, and in particular relates to a edging structure for a rigid plastic pool wall. Background Technology

[0002] As people's living standards improve, swimming pools with rigid plastic walls are widely used in family entertainment and children's water play due to their advantages such as stable structure and easy storage. The edging structure of these pools is a key component that connects the pool wall and the bottom and ensures overall sealing. The rationality of its design directly affects the performance and lifespan of the pool.

[0003] In the prior art, a toy swimming pool wall structure disclosed in document 200720072281.7 has solved the problems of high cost and complex process of traditional swimming pools to a certain extent through optimized design. However, in actual long-term use, it has been found that the structure has obvious defects: the connection points of its pool wall, semi-enclosed plastic edging and pool bottom are too concentrated and overlapping. When the pool is filled with water, the pulling force of the pool water on the bottom cannot be effectively dispersed, resulting in excessive stress on the overlapping part of the connection point. With the increase of use, the overlapping part is very prone to cracks or gaps, which in turn causes local water leakage, which not only affects the normal use of the pool, but also poses a safety hazard.

[0004] Therefore, how to improve the edging structure of rigid plastic pool walls and solve the problem of water leakage caused by stress concentration at the connection points has become a technical challenge to be solved in this field. Utility Model Content

[0005] The purpose of this utility model is to provide a rimming structure for rigid plastic pool walls, which addresses the problem that existing rigid plastic pool wall structures, due to the concentrated overlap of the connection points between the pool wall, the semi-circular plastic rim, and the bottom of the pool, cannot effectively disperse the pulling force of the pool water on the bottom, leading to easy cracking at the connection points and water leakage caused by gaps.

[0006] This utility model achieves the above objectives through the following technical solution: a edging structure for a rigid plastic pool wall, comprising a rigid plastic pool wall, an upper edging component, and a lower edging component;

[0007] The rigid plastic pool wall is composed of a rigid plastic sheet and a decorative film, with the decorative film covering the outer wall of the rigid plastic sheet;

[0008] The upper edge-wrapping component uses a hot-press bonding process to wrap the first full-edge-wrapping plastic film around the upper edge of the pool wall.

[0009] The lower edge-wrapping assembly includes a second fully-wrapped plastic film that surrounds the lower edge of the pool wall using a hot-press bonding process. The inner wall of the second fully-wrapped plastic film is provided with a semi-wrapped plastic edging by a hot-press bonding process. The outer wall of the other end of the semi-wrapped plastic edging is connected to a pool bottom sheet by several high-frequency welds.

[0010] Furthermore, the rigid plastic sheet 101 is made of polypropylene and has a softening temperature higher than 150°C.

[0011] Furthermore, the decorative film 102 is made of polyester film with a light transmittance of more than 90% and a UV-resistant coating printed on its surface with a coating thickness of 0.05-0.1 mm.

[0012] Furthermore, the overlap of the first and second fully-enclosed plastic films around the end edge of the pool wall is 1-3 cm wide, and their edges are rounded.

[0013] Furthermore, the width of the heat-pressed bonding area connecting the semi-enclosed plastic edge to the inner wall of the second fully enclosed plastic film is 1-2 cm.

[0014] Furthermore, the number of welding passes for the semi-enclosed plastic edge and the pool bottom sheet in high-frequency welding is 1-3, the width of each weld pass is 0.5-1 cm, and the distance between adjacent weld passes is 1-2 cm.

[0015] Beneficial effects: This utility model has a reasonable design, simple and stable structure, and strong practicality, and has the following beneficial effects:

[0016] 1. Structural optimization and stress dispersion: By using a non-overlapping connection method where one end of the semi-enclosed plastic roll is hot-pressed to the inner wall of the second fully enclosed plastic film, and the other end of the outer wall is high-frequency welded to the pool bottom, the pulling force of the pool water on the bottom of the pool is effectively dispersed, avoiding cracks or gaps caused by stress concentration at the connection point, significantly improving the waterproof performance of the pool and reducing leakage.

[0017] 2. Excellent materials, durable and anti-aging: The hard plastic sheet is made of polypropylene with a softening temperature of over 150℃, and the decorative film is made of polyester film with an anti-UV coating. Combined with hot pressing, high frequency welding and other processes, the edge covering structure has good weather resistance and anti-aging ability, extending the service life of the swimming pool and reducing the cost of use and maintenance.

[0018] 3. Detailed design, safe and reliable: The first and second fully wrapped plastic films have a 1-3 cm overlap around the edge of the pool wall and are rounded at the corners. This not only enhances the sealing of the pool wall but also prevents sharp edges from scratching users or other parts. The precise connection parameters between the semi-wrapped plastic roll and the hard plastic sheet and pool bottom further ensure the stability and reliability of the overall structure. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the present invention;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of this utility model.

[0021] In the diagram: 1-Hard plastic pool wall, 2-Upper full-edge assembly, 3-Lower half-edge assembly;

[0022] 101-Hard plastic sheet, 102-Decorative film, 201-First full-edge plastic film, 302-Second full-edge plastic film, 302-Semi-edge plastic edging, 303-Swimming pool bottom sheet. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Example 1:

[0025] Combination Figure 1-2 The diagram shows a rigid plastic pool wall edging structure, which includes a rigid plastic pool wall 1, an upper full edging assembly 2, and a lower half edging assembly 3.

[0026] The rigid plastic pool wall 1 is composed of a rigid plastic sheet 101 and a decorative membrane 102. The rigid plastic sheet 101 is made of high-strength engineering plastic material, which has good impact resistance and wear resistance and can withstand long-term pressure and external impact of pool water. The decorative membrane 102 is tightly attached to the outer wall of the rigid plastic sheet 101 through a special coating process. It can not only beautify the appearance of the pool, but also protect the rigid plastic sheet 101 and extend the service life of the pool wall. At the same time, various patterns can be printed on the surface of the decorative membrane 102 to meet the personalized needs of different users.

[0027] The upper full-edge component 2 uses a hot-press bonding process to wrap the first full-edge plastic film 201 around the upper edge of the pool wall. The hot-press bonding process, by precisely controlling the temperature, pressure and time, makes the first full-edge plastic film 201 tightly bonded to the upper edge of the hard plastic pool wall 1, forming a strong and sealed connection. The design of the first full-edge plastic film 201 enhances the structural strength of the upper end of the pool wall.

[0028] The lower edge-wrapping component 3 includes a second fully-wrapped plastic film 301 that surrounds the lower edge of the pool wall using a hot-press bonding process. Its principle is the same as that of the first fully-wrapped plastic film 201. First, the lower edge of the rigid plastic pool wall 1 is tightly bonded to form a strong and sealed connection. The inner wall of the second fully-wrapped plastic film 301 is provided with a semi-wrapped plastic roller 302 through a hot-press bonding process to ensure the stability and sealing of the connection. The pool bottom sheet 303 is connected to the outer wall of the other end of the semi-wrapped plastic roller 302 by several high-frequency welds. The high-frequency welding technology can quickly heat up and fuse the connection in a short time to form a high-strength welded joint. This welding method not only provides a strong connection but also ensures the sealing of the connection, effectively preventing pool water leakage. Through the unique connection design of the semi-wrapped plastic roller 302, the pulling force of the pool water on the bottom of the pool can be reasonably distributed, avoiding cracking or leakage at the edge due to uneven force, which greatly improves the overall waterproof performance and structural reliability of the pool.

[0029] In this embodiment, the rigid plastic sheet 101 is made of polypropylene. While ensuring lightweight, it has excellent mechanical strength and can effectively resist external impact and long-term water pressure without deformation. The softening temperature of this polypropylene material is as high as 150°C, which is much higher than the temperature of ordinary use environment. Even under high temperature exposure or hot water filling, it can still maintain a stable physical form and avoid problems such as softening and creep caused by temperature rise.

[0030] In this embodiment, the decorative membrane 102 is made of polyester film, which has excellent flatness and mechanical strength, and can effectively resist external scratches and tensile deformation. Its light transmittance is greater than 90%, which not only gives the pool a clear and transparent visual effect, but also minimizes the visual deviation caused by light refraction. The UV-resistant coating printed on the surface uses a composite formula of nano-level titanium dioxide and acrylic resin. The coating thickness is controlled between 0.05-0.1 mm through a precision coating process. This coating can efficiently absorb and reflect ultraviolet rays with a wavelength of 280-400nm, and the UV blocking rate exceeds 98%. It can not only effectively delay the photoaging process of the film itself and prevent fading and embrittlement caused by ultraviolet radiation, but also form a protective barrier for the underlying hard plastic sheet 101, significantly improving the weather resistance and service life of the entire hard plastic pool wall.

[0031] In this embodiment, the overlap width of the first full-edge plastic film 201 and the second full-edge plastic film 301 around the end edge of the pool wall is 1-3 cm. This design increases the contact area, effectively improving the bonding strength and sealing performance between the edge and the pool wall. At the same time, the edges of the first full-edge plastic film 201 and the second full-edge plastic film 301 are rounded to prevent users from being scratched when they come into contact with them, thus improving safety.

[0032] In this embodiment, the width of the heat-pressed bonding area connecting the semi-enclosed plastic roll 302 and the inner wall of the second fully enclosed plastic film 301 is 1-2 cm. Within this area, sufficient connection stability can be ensured, effectively dispersing the pulling force generated by the pool water on the bottom, while avoiding increasing material costs and processing difficulty due to an excessively wide bonding area. This achieves the design goal of economic efficiency while ensuring the reliability of the pool structure.

[0033] In this embodiment, the high-frequency welding between the semi-enclosed plastic edge 302 and the pool bottom 303 involves 1-3 welding processes. The width of each weld is precisely controlled within 0.5-1 cm, and adjacent welds are intentionally spaced 1-2 cm apart. This design ensures that the welding area is evenly distributed with stress, avoiding stress concentration, and also prevents local overheating and deformation caused by excessively dense welds, which would affect structural stability. At the same time, the staggered distribution of welds further enhances the tensile and tear resistance of the connection, maintaining a reliable sealing effect even under long-term pool water pressure and frequent use.

[0034] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0035] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A capping structure for a hard plastic walled swimming pool, characterised in that: The hard plastic pool wall (1), the upper end edge covering assembly (2) and the lower end edge covering assembly (3); The hard plastic pool wall (1) is composed of a hard plastic sheet (101) and a decorative film (102) which is coated on the outer wall of the hard plastic sheet (101); The upper end edge covering assembly (2) is made of a first full edge covering plastic film (201) which is wrapped around the upper end edge of the pool wall by hot pressing and bonding process; The lower end edge covering assembly (3) includes a second full edge covering plastic film (301) which is wrapped around the lower end edge of the pool wall by hot pressing and bonding process, and a half edge covering plastic rolled edge (302) is arranged on the inner wall of the second full edge covering plastic film (301) by hot pressing and bonding process, and a swimming pool bottom sheet (303) is connected to the other end of the outer wall of the half edge covering plastic rolled edge (302) by high frequency welding.

2. A capping structure for a hard plastic walled swimming pool according to claim 1 wherein: The hard plastic sheet (101) is made of polypropylene material with a softening temperature higher than 150℃.

3. A capping structure for a hard plastic walled pool according to claim 2, wherein: The decorative film (102) is made of polyester film with a light transmittance greater than 90%, and the surface is printed with an anti-ultraviolet coating with a thickness of 0.05-0.1mm.

4. A capping structure for a hard plastic walled pool according to claim 3 wherein: The overlapping part of the first full edge covering plastic film (201) and the second full edge covering plastic film (301) around the end edge of the pool wall has a width of 1-3cm, and the edge is treated by rounding.

5. A capping structure for a hard plastic walled pool according to claim 4 wherein: The hot pressing and bonding area of the half edge covering plastic rolled edge (302) and the inner wall of the second full edge covering plastic film (301) has a width of 1-2cm.

6. A capping structure for a hard plastic walled pool according to claim 5 wherein: The half edge covering plastic rolled edge (302) and the swimming pool bottom sheet (303) are connected by high frequency welding, and the number of welding channels is 1-3, the width of each welding channel is 0.5-1cm, and the distance between adjacent welding channels is 1-2cm.

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