Anti-cracking plastic structure

Abstract

The utility model relates to the technical field of plastic production, in particular to an anti-cracking plastic structure, which comprises a wear-resistant layer, an anti-aging layer, an impact-resistant layer and two thermal insulation layers which are sequentially connected from top to bottom, and fitting mechanisms are respectively arranged in the wear-resistant layer and the anti-aging layer, the anti-aging layer and the impact-resistant layer and the two thermal insulation layers. The defects in the prior art are overcome, under the matching action of the cones and the like and the matching action of the telescopic rods, the small telescopic springs and the cones of every two adjacent layers, the reinforcing blocks can abut against and be fixed, tight attachment between the adjacent layers cannot be affected even when plastic falls off, the plastic is not prone to cracking, and the service life of the plastic is prolonged. And under the cooperation effect of the first fixing blocks, the second fixing blocks and the third fixing blocks between the adjacent layers, the two adjacent layers can be attached more tightly, further, cracking is not likely to happen, and safety is high during installation and use.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic production, in particular to an anti-cracking plastic structure. Background Art

[0002] Plastic is a high molecular compound made from monomers through addition polymerization or condensation polymerization. It has a medium deformation resistance, between fiber and rubber. It is composed of synthetic resin and additives such as fillers, plasticizers, stabilizers, lubricants, and colorants.

[0003] After searching, the Chinese patent application publication number CN210851612U discloses a crack-resistant plastic, including a wear-resistant layer, an aging-resistant layer, an impact-resistant layer and two thermal insulation layers connected in sequence from top to bottom, and the wear-resistant layer and the aging-resistant layer, the aging-resistant layer and the impact-resistant layer and the two thermal insulation layers are all provided with a fitting mechanism.

[0004] The anti-cracking plastic in the above patent has the following shortcomings: although the device further makes the adjacent layers fit more tightly and the plastic is not easy to crack by setting the magnet sheet, the first U-shaped barb and the second U-shaped barb, the plastic itself often falls to the ground inadvertently during use, which will accumulate over a long period of time and cause the two magnet sheets to break, thus affecting the tight effect and also affecting the anti-cracking of the plastic. In addition, the first U-shaped barb and the second U-shaped barb of the device are sharp in themselves, resulting in low safety during installation and use. Utility Model Content

[0005] The purpose of the utility model is to solve or at least alleviate the problem in the prior art that the plastic itself often falls to the ground inadvertently during use, which accumulates over a long period of time and then causes the two magnet pieces to break, thereby affecting the tight effect and also affecting the anti-cracking problem of the plastic.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-cracking plastic structure, comprising a wear-resistant layer, an aging-resistant layer, an impact-resistant layer and two thermal insulation layers connected in sequence from top to bottom, wherein the wear-resistant layer and the aging-resistant layer, the aging-resistant layer and the impact-resistant layer and the two thermal insulation layers are all provided with a fitting mechanism, and the wear-resistant layer and the aging-resistant layer, the aging-resistant layer and the impact-resistant layer, the impact-resistant layer and the thermal insulation layer, and the two thermal insulation layers are all provided with a clamping mechanism;

[0007] The clamping mechanism includes a mounting block, a mounting groove is formed on one outer wall of the mounting block, a telescopic rod is fixedly mounted on one inner wall of the mounting groove, a small telescopic spring is sleeved on the telescopic rod, a mounting plate is fixedly mounted on one end of the telescopic rod, a cone is fixedly mounted on one outer wall of the mounting plate, a reinforcing block is integrally mounted on the bottom of the anti-aging layer, and the cone is in contact with the reinforcing block.

[0008] By adopting the above technical solution, the two adjacent layers can abut and fix the reinforcing block through the cooperation of the telescopic rod, the small telescopic spring and the cone, so that the close fit between the adjacent layers will not be affected even if the plastic falls, making the plastic not easy to crack.

[0009] Optionally, an insertion hole is provided on an outer wall of one side of the reinforcement block, and the cone is located in the insertion hole.

[0010] By adopting the above technical solution, the fixing effect can be enhanced by providing the jack.

[0011] Optionally, a plurality of rough protrusions are symmetrically and fixedly mounted on the top of the anti-aging layer.

[0012] By adopting the above technical solution, rough convex points are set to increase the roughness, thereby improving the roughness of the plastic part and the polyurethane

[0013] Optionally, the rough protrusions are made of PVC.

[0014] By adopting the above technical solution, the rough convex points are made of PVC material, so that the wear resistance can be achieved.

[0015] Optionally, the bonding mechanism includes a first fixed block, which is fixedly installed on the bottom outer wall of the wear-resistant layer, and the top outer wall of the aging-resistant layer is respectively fixedly installed with a second fixed block and a third fixed block, and the first fixed block is located between the second fixed block and the third fixed block.

[0016] By adopting the above technical solution, the cooperation of the first fixing block, the second fixing block and the third fixing block between adjacent layers can also make the fit between two adjacent layers tighter, further making it less likely to crack and more secure during installation and use.

[0017] Optionally, the wear-resistant layer is a polystyrene layer, the aging-resistant layer is a polyurethane resin layer, the impact-resistant layer is a BAT thermoplastic layer, the two thermal insulation layers are polypropylene layers, and the wear-resistant layer, aging-resistant layer, impact-resistant layer and the two thermal insulation layers are bonded together with adhesive.

[0018] By adopting the above technical solution, the anti-aging layer is a polyurethane resin layer, which can prevent the plastic from being oxidized by the outside world and slow down the aging rate. The impact-resistant layer is a BAT thermoplastic layer, which can improve the impact resistance of the plastic and avoid external pressure forcing the plastic to crack.

[0019] Optionally, two cavities are symmetrically opened on the anti-aging layer, and the two mounting blocks and the two reinforcement blocks are respectively located in the corresponding cavities.

[0020] By adopting the above technical solution, the cavity is provided so as to assist the installation.

[0021] Optionally, both inner walls of the installation groove are provided with limiting grooves, and limiting blocks are slidably installed in the two limiting grooves, and the two limiting blocks are fixedly connected to the installation plate.

[0022] By adopting the above technical solution, the mounting plate can be limitedly moved by providing the limit grooves and the limit blocks.

[0023] Compared with the prior art, the beneficial effects of the utility model are:

[0024] (1) The utility model adopts the cooperation of cones, etc., and the two adjacent layers can abut and fix the reinforcing blocks through the cooperation of telescopic rods, small telescopic springs and cones, so that the close fit between the adjacent layers will not be affected even if the plastic falls, making it difficult for the plastic to crack. The cooperation of the first fixing block, the second fixing block and the third fixing block between the adjacent layers can also make the fit between the two adjacent layers tighter, further making it difficult to crack, and the safety is higher during installation and use.

[0025] (2) The present invention adopts the cooperation of rough convex points, etc., and by setting the rough convex points, the purpose of increasing the roughness can be achieved, thereby improving the adhesion between the plastic part and the polyurethane resin layer, and at the same time relieving the stress released by the polyurethane resin layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 This is a schematic diagram of the rough convex point structure of the utility model;

[0028] Figure 3 This is a schematic diagram of the structure of the first fixing block of the utility model;

[0029] Figure 4 This is a schematic diagram of the installation block structure of the utility model;

[0030] Figure 5This is a schematic diagram of the limit groove structure of the utility model.

[0031] In the figure: 1. wear-resistant layer; 2. aging-resistant layer; 3. impact-resistant layer; 4. thermal insulation layer; 5. cavity; 6. reinforcement block; 7. mounting block; 8. rough bumps; 9. first fixing block; 10. second fixing block; 11. third fixing block; 12. mounting groove; 13. mounting plate; 14. cone; 15. limit groove; 16. limit block; 17. telescopic rod; 18. small telescopic spring; 19. jack. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] See also Figure 1-5 A crack-proof plastic structure comprises a wear-resistant layer 1, an aging-resistant layer 2, an impact-resistant layer 3 and two thermal insulation layers 4 connected in sequence from top to bottom, and a fitting mechanism is arranged between the wear-resistant layer 1 and the aging-resistant layer 2, between the aging-resistant layer 2 and the impact-resistant layer 3 and the two thermal insulation layers 4. By arranging the fitting mechanism, the tight effect between adjacent layers can be enhanced, and a clamping mechanism is arranged between the wear-resistant layer 1 and the aging-resistant layer 2, between the aging-resistant layer 2 and the impact-resistant layer 3, between the impact-resistant layer 3 and the thermal insulation layer 4, and between the two thermal insulation layers 4; by arranging the clamping mechanism, the two adjacent layers can be tightly installed, which has the effect of not being easy to crack.

[0034] Among them, the clamping mechanism includes a mounting block 7, an outer wall of one side of the mounting block 7 is provided with a mounting groove 12, a telescopic rod 17 is fixedly installed on the inner wall of one side of the mounting groove 12, and a small telescopic spring 18 is sleeved on the telescopic rod 17. By setting the small telescopic spring 18, abutment installation can be achieved. A mounting plate 13 is fixedly installed at one end of the telescopic rod 17, and a cone 14 is fixedly installed on the outer wall of one side of the mounting plate 13. A reinforcing block 6 is integrally installed on the bottom of the aging-resistant layer 2. By setting the reinforcing block 6, an auxiliary installation can be achieved, and the cone 14 is in contact with the reinforcing block 6.

[0035] When in use, the two adjacent layers can abut and fix the reinforcing block 6 through the cooperation of the telescopic rod 17, the small telescopic spring 18 and the cone 14, so that the plastic can fall without affecting the close fit between the adjacent layers, making the plastic not easy to crack.

[0036] For details, please refer to Figure 1-2A plug hole 19 is provided on one side outer wall of the reinforcing block 6, and the cone 14 is located in the plug hole 19. By providing the plug hole 19, the fixing effect can be enhanced.

[0037] For details, please refer to Figure 2 A plurality of rough convex points 8 are symmetrically fixedly installed on the top of the anti-aging layer 2. The rough convex points 8 are provided to increase the roughness and improve the bonding force between the plastic part and the polyurethane resin layer.

[0038] For details, please refer to Figure 2 The rough convex point 8 is made of PVC material. By setting the rough convex point 8 to be PVC material, it can play a wear-resistant role.

[0039] For details, please refer to Figure 3 The laminating mechanism includes a first fixing block 9, which is fixedly mounted on the bottom outer wall of the wear-resistant layer 1, and a second fixing block 10 and a third fixing block 11 are fixedly mounted on the top outer wall of the aging-resistant layer 2, respectively, and the first fixing block 9 is located between the second fixing block 10 and the third fixing block 11. Under the cooperation of the first fixing block 9, the second fixing block 10 and the third fixing block 11 between adjacent layers, the laminating between the two adjacent layers can also be made tighter, further making it difficult to crack, and having higher safety during installation and use.

[0040] For details, please refer to Figure 1-2 The wear-resistant layer 1 is a polystyrene layer, the aging-resistant layer 2 is a polyurethane resin layer, the impact-resistant layer 3 is a BAT thermoplastic layer, and the two thermal insulation layers 4 are polypropylene layers. The wear-resistant layer 1, the aging-resistant layer 2, the impact-resistant layer 3 and the two thermal insulation layers 4 are all bonded with adhesives. The aging-resistant layer 2 is a polyurethane resin layer, which can prevent the plastic from being oxidized by the outside world and slow down the aging speed. The impact-resistant layer 3 is a BAT thermoplastic layer, which can improve the impact resistance of the plastic and prevent the plastic from being forced to crack by external pressure.

[0041] For details, please refer to Figure 1-2 Two cavities 5 are symmetrically provided on the anti-aging layer 2, and the two mounting blocks 7 and the two reinforcing blocks 6 are respectively located in the corresponding cavities 5. The cavity 5 can be provided to assist the installation.

[0042] For details, please refer to Figure 5 The inner walls of both sides of the mounting groove 12 are provided with limiting grooves 15, and limiting blocks 16 are slidably installed in the two limiting grooves 15, and the two limiting blocks 16 are fixedly connected to the mounting plate 13. By setting the limiting grooves 15 and the limiting blocks 16, the mounting plate 13 can be limited and moved.

[0043] Working principle: When in use, the two adjacent layers can abut and fix the reinforcing block 6 through the cooperation of the telescopic rod 17, the small telescopic spring 18 and the cone 14, so that the plastic can fall without affecting the close fit between the adjacent layers, making it difficult for the plastic to crack. The cooperation of the first fixing block 9, the second fixing block 10 and the third fixing block 11 between the adjacent layers can also make the fit between the two adjacent layers tighter, further making it difficult to crack, and the safety is higher during installation and use;

[0044] The anti-aging layer 2 is a polyurethane resin layer, which can prevent the plastic from being oxidized by the outside world and slow down the aging rate. The impact-resistant layer 3 is a BAT thermoplastic layer, which can improve the impact resistance of the plastic and prevent the plastic from being forced to crack by external pressure. The roughness can be increased by setting the rough convex points 8, thereby improving the adhesion between the plastic part and the polyurethane resin layer and relieving the stress released by the polyurethane resin layer. The thermal insulation layer 4 is a polypropylene layer, which makes the plastic have a thermal insulation effect, and can quickly export the temperature and make it consistent with the outside world to avoid cracking due to low temperature.

[0045] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A crack-proof plastic structure, characterized in that: The invention comprises a wear-resistant layer (1), an aging-resistant layer (2), an impact-resistant layer (3) and two thermal insulation layers (4) which are connected in sequence from top to bottom; the wear-resistant layer (1) and the aging-resistant layer (2), the aging-resistant layer (2) and the impact-resistant layer (3) and the two thermal insulation layers (4) are all provided with a fitting mechanism; the wear-resistant layer (1) and the aging-resistant layer (2), the aging-resistant layer (2) and the impact-resistant layer (3), the impact-resistant layer (3) and the thermal insulation layer (4), and the two thermal insulation layers (4) are all provided with a clamping mechanism; The clamping mechanism comprises a mounting block (7), a mounting groove (12) is provided on one side outer wall of the mounting block (7), a telescopic rod (17) is fixedly mounted on one side inner wall of the mounting groove (12), a small telescopic spring (18) is sleeved on the telescopic rod (17), a mounting plate (13) is fixedly mounted on one end of the telescopic rod (17), a cone (14) is fixedly mounted on one side outer wall of the mounting plate (13), a reinforcing block (6) is integrally mounted on the bottom of the anti-aging layer (2), and the cone (14) is in contact with the reinforcing block (6).

2. The anti-cracking plastic structure according to claim 1, characterized in that: An insertion hole (19) is provided on an outer wall of one side of the reinforcing block (6), and the cone (14) is located in the insertion hole (19).

3. The anti-cracking plastic structure according to claim 1, characterized in that: A plurality of rough convex points (8) are symmetrically and fixedly mounted on the top of the anti-aging layer (2).

4. The anti-cracking plastic structure according to claim 3, characterized in that: The rough convex points (8) are made of PVC material.

5. The anti-cracking plastic structure according to claim 1, characterized in that: The laminating mechanism comprises a first fixing block (9), wherein the first fixing block (9) is fixedly mounted on the bottom outer wall of the wear-resistant layer (1), and a second fixing block (10) and a third fixing block (11) are respectively fixedly mounted on the top outer wall of the aging-resistant layer (2), and the first fixing block (9) is located between the second fixing block (10) and the third fixing block (11).

6. The anti-cracking plastic structure according to claim 1, characterized in that: The wear-resistant layer (1) is a polystyrene layer, the aging-resistant layer (2) is a polyurethane resin layer, the impact-resistant layer (3) is a BAT thermoplastic layer, the two thermal insulation layers (4) are polypropylene layers, and the wear-resistant layer (1), the aging-resistant layer (2), the impact-resistant layer (3) and the two thermal insulation layers (4) are bonded together by adhesive.

7. The anti-cracking plastic structure according to claim 2, characterized in that: Two cavities (5) are symmetrically provided on the anti-aging layer (2), and the two mounting blocks (7) and the two reinforcing blocks (6) are respectively located in the corresponding cavities (5).

8. The anti-cracking plastic structure according to claim 1, characterized in that: Limiting grooves (15) are provided on both inner walls of the installation groove (12), and limiting blocks (16) are slidably installed in the two limiting grooves (15), and the two limiting blocks (16) are fixedly connected to the installation plate (13).

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