Heat-insulating rear door cover plate of automobile trunk

Abstract

The utility model provides a heat insulation automobile trunk rear door cover plate which comprises a cover plate body, a heat insulation mechanism is arranged on one side of the cover plate body, and the heat insulation mechanism is formed by combining a foaming layer, a heat insulation layer, a heat preservation layer and a moisture absorption layer in sequence from top to bottom. The utility model relates to the technical field of automobile trunks. According to the heat-insulation automobile trunk rear door cover plate, the heat insulation mechanism and the protection mechanism are arranged, a foaming layer in the heat insulation mechanism is made of foaming, heat energy borne by the cover plate body can be insulated, the heat insulation effect is achieved, meanwhile, the heat insulation layer is made of glass fibers, heat energy can be prevented from entering a trunk, and the heat insulation effect is good. The heat preservation layer is made of heat preservation cotton, the heat preservation box is high, it is ensured that the interior of the trunk is at a proper temperature, meanwhile, the moisture absorption layer is made of activated carbon, moisture existing in the trunk can be absorbed, and the situation that the foaming layer, the heat insulation layer and the heat preservation layer are damaged by the moisture is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile trunks, in particular to a heat-insulating automobile trunk rear door cover. Background Art

[0002] The trunk of a car, also known as a luggage compartment, is mainly used to store items and save space inside the vehicle. The rear door cover is the cover of the trunk, which is used to seal the trunk and can be opened and closed electrically. There is a door closing button inside the trunk door. By touching the button, the trunk door can be closed automatically without human intervention.

[0003] Publication No. "CN220315129U" provides a car trunk rear door cover structure, including a rear cover body, and also includes a heat insulation mechanism, the heat insulation mechanism is installed at the plate wall of the rear cover body, the heat insulation mechanism is composed of a foaming layer, a heat insulation layer, a thermal insulation layer, a protective layer and an inner shell layer, the plate wall of the rear cover body is adhered with a foaming layer, the layer wall of the foaming layer is adhered with a heat insulation layer, the layer wall of the heat insulation layer is adhered with a thermal insulation layer, and the layer wall of the thermal insulation layer is fixedly installed with an inner shell layer. The heat insulation mechanism can increase the heat insulation and heat preservation of the rear door cover of the car trunk, and prevent the temperature in the trunk from being too high and causing damage to the carried items.

[0004] However, the above device still has the following problems during implementation:

[0005] In the existing technology and the proposed solution, the heat insulation of the rear door cover of the car trunk is increased by an insulation mechanism to prevent the temperature in the trunk from being too high and causing damage to the carried items. However, considering that in summer, there will be moisture in the car when the air conditioner is turned on, and the above-mentioned insulation mechanism has no dehumidification function, the immersion of moisture will cause damage, thereby affecting the insulation effect of the rear door cover of the car trunk. Utility Model Content

[0006] The utility model aims to provide a heat-insulating automobile trunk rear door cover to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A heat-insulating automobile trunk rear door cover comprises a cover body, one side of the cover body is provided with a heat-insulating mechanism, the heat-insulating mechanism is composed of a foaming layer, a heat-insulating layer, a thermal-preserving layer and a hygroscopic layer in order from top to bottom, the foaming layer, the heat-insulating layer, the thermal-preserving layer and the hygroscopic layer are bonded together by phenolic resin glue, the bottom of the cover body is provided with a protective mechanism, the protective mechanism comprises a protective shell, a support plate is provided inside the protective shell, and the top of the support plate is in contact with the bottom of the hygroscopic layer.

[0009] By setting up a heat insulation mechanism and a protective mechanism, the foaming layer in the heat insulation mechanism is made of foam, which can isolate the heat energy received by the cover plate body, thereby achieving the effect of isolating heat energy. At the same time, the heat insulation layer is made of glass fiber, which can block heat energy from entering the trunk, thereby further improving the heat insulation effect. The thermal insulation layer is made of thermal insulation cotton, which has high thermal insulation properties, thereby ensuring that the trunk is at a suitable temperature. At the same time, the hygroscopic layer is made of activated carbon, which can absorb moisture in the trunk, thereby preventing moisture from damaging the foaming layer, the heat insulation layer and the thermal insulation layer. At the same time, the protective shell in the protective mechanism can support the heat insulation mechanism, and the support plate can support the hygroscopic layer by contacting the bottom of the hygroscopic layer, thereby playing a protective role.

[0010] Preferably, a wear-resistant layer is provided at the bottom of the protective shell, and a rust-proof layer is provided at the bottom of the wear-resistant layer.

[0011] By providing a wear-resistant layer and an anti-rust layer, the wear resistance of the protective shell can be improved, while rust on the surface due to moisture can be avoided, thereby improving the strength of the protective shell.

[0012] Preferably, the protective shell is made of metal, the wear-resistant layer is formed by electroplating an alloy on the surface of the protective shell, and the rust-proof layer is formed by spraying a rust remover on the surface of the electroplating layer.

[0013] The wear-resistant layer is formed by electroplating alloy on the surface of the protective shell, and the anti-rust layer is formed by spraying a rust remover on the surface of the electroplated layer. The electroplated alloy material can effectively improve the wear resistance, and the anti-rust layer formed by the rust inhibitor can also effectively prevent rust.

[0014] Preferably, a plurality of screws are threadedly connected to the inner bottom of the protective shell, and threaded holes for use with the screws are provided at the bottom of the cover body.

[0015] By providing screws and threaded holes, the protective shell can be disassembled by turning the screws to make the threads leave the threaded holes, thereby facilitating the replacement of the internal heat insulation mechanism and protective mechanism.

[0016] Preferably, a metal gasket and a silicone gasket are sleeved on the surface of the screw, and the silicone gasket is located on the top of the metal gasket.

[0017] By arranging the metal gasket and the silicone gasket, the stability of the screw fixing the protective shell can be improved, and at the same time, the silicone gasket contacts with the rust removal layer without damaging the rust removal layer.

[0018] Preferably, the material of the moisture absorbing layer is activated carbon.

[0019] By setting the material of the moisture-absorbing layer to activated carbon, the moisture in the trunk can be effectively absorbed, thus preventing the heat insulation structure from being damaged due to the influence of moisture.

[0020] By setting the material of the support plate to wood, the adsorption layer can be supported, and the wood material support is not easy to damage the activated carbon.

[0021] Preferably, the support plate is made of wood, and a plurality of through holes are formed on the top.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] 1. The utility model is provided with a heat insulation mechanism and a protective mechanism. The foaming layer in the heat insulation mechanism is made of foam, which can isolate the heat energy received by the cover plate body, thereby achieving the effect of isolating the heat energy. At the same time, the heat insulation layer is made of glass fiber, which can prevent heat energy from entering the trunk, thereby further improving the heat insulation effect. The thermal insulation layer is made of thermal insulation cotton, which has high thermal insulation properties, thereby ensuring that the trunk is at a suitable temperature. At the same time, the hygroscopic layer is made of activated carbon, which can absorb moisture in the trunk, thereby preventing moisture from damaging the foaming layer, the heat insulation layer and the thermal insulation layer. At the same time, the protective shell in the protective mechanism can support the heat insulation mechanism, and the support plate can support the hygroscopic layer by contacting the bottom of the hygroscopic layer, thereby playing a protective role.

[0024] 2. The utility model can improve the wear resistance of the protective shell by providing a wear-resistant layer and an anti-rust layer, while preventing the surface from rusting due to moisture, thereby improving the strength of the protective shell.

[0025] 3. The utility model provides screws and threaded holes, and can complete the disassembly of the protective shell by turning the screws to make the threads leave the threaded holes, thereby facilitating the replacement of the internal heat insulation mechanism and protective mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0027] Figure 2 A perspective view of the main structure of the utility model from the side;

[0028] Figure 3 It is a schematic diagram of the heat insulation mechanism and the protection mechanism of the utility model;

[0029] Figure 4 For this utility model Figure 3 A partial enlarged view of the middle A;

[0030] Figure 5 It is a three-dimensional diagram of the exploded screw of the utility model.

[0031] In the figure: 1. Cover plate body; 2. Heat insulation mechanism; 3. Foaming layer; 4. Heat insulation layer; 5. Thermal insulation layer; 6. Moisture absorption layer; 7. Protection mechanism; 8. Protection shell; 9. Support plate; 10. Wear-resistant layer; 11. Anti-rust layer; 12. Screws; 13. Threaded holes; 14. Metal gasket; 15. Silicone gasket. 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-Figure 5 , the utility model provides a technical solution:

[0034] Embodiment 1:

[0035] A heat-insulating automobile trunk rear door cover comprises a cover body 1, a heat-insulating mechanism 2 is arranged on one side of the cover body 1, the heat-insulating mechanism 2 is composed of a foaming layer 3, a heat-insulating layer 4, a thermal insulation layer 5 and a hygroscopic layer 6 from top to bottom, the foaming layer 3, the heat-insulating layer 4, the thermal insulation layer 5 and the hygroscopic layer 6 are bonded by phenolic resin glue, a protective mechanism 7 is arranged at the bottom of the cover body 1, the protective mechanism 7 comprises a protective shell 8, a support plate 9 is arranged inside the protective shell 8, and the top of the support plate 9 is in contact with the bottom of the hygroscopic layer 6.

[0036] In this embodiment, it is taken into consideration that in summer, there will be moisture in the car when the air conditioner is turned on, and the above-mentioned heat insulation mechanism 2 has no dehumidification function, so that its immersion will cause damage, thereby affecting the heat insulation effect of the rear door cover of the car trunk. Therefore, by setting the heat insulation mechanism 2 and the protective mechanism 7, the foaming layer 3 in the heat insulation mechanism 2 is made of foam, which can isolate the heat energy received by the cover body 1, thereby achieving the effect of isolating heat energy. At the same time, the material used for the heat insulation layer 4 is glass fiber, which can block the heat energy from entering the trunk, thereby further improving the heat insulation effect. The thermal insulation layer 5 is made of thermal insulation cotton, which has high thermal insulation properties, ensuring that the trunk is at a suitable temperature. At the same time, the hygroscopic layer 6 is made of activated carbon, which can absorb moisture in the trunk to prevent moisture from damaging the foaming layer 3, the heat insulation layer 4 and the heat insulation layer 5. At the same time, the protective shell 8 in the protective mechanism 7 can support the heat insulation mechanism 2, and the support plate 9 can support the hygroscopic layer 6 by contacting the bottom of the hygroscopic layer 6, thereby playing a protective role.

[0037] A wear-resistant layer 10 is provided at the bottom of the protective shell 8 , and a rust-proof layer 11 is provided at the bottom of the wear-resistant layer 10 .

[0038] In this embodiment, by providing the wear-resistant layer 10 and the rust-proof layer 11 , the wear resistance of the protective shell 8 can be improved, while rust on the surface due to moisture can be avoided, thereby improving the strength of the protective shell 8 .

[0039] The protective shell 8 is made of metal, the wear-resistant layer 10 is formed by electroplating alloy on the surface of the protective shell 8, and the rust-proof layer 11 is formed by spraying a rust remover on the surface of the electroplating layer.

[0040] In this embodiment, the wear-resistant layer 10 is formed by electroplating alloy on the surface of the protective shell 8, and the rust-proof layer 11 is formed by spraying a rust remover on the surface of the electroplated layer. The electroplated alloy material can effectively improve the wear resistance, and the rust-proof layer 11 formed by the rust-proof agent can also effectively prevent rust.

[0041] A plurality of screws 12 are threadedly connected to the inner bottom of the protective shell 8 , and threaded holes 13 for use with the screws 12 are provided at the bottom of the cover body 1 .

[0042] In this embodiment, by providing screws 12 and threaded holes 13, the protective shell 8 can be disassembled by turning the screws 12 to make the threads leave the threaded holes 13, thereby facilitating the replacement of the internal insulation mechanism 2 and the protective mechanism 7.

[0043] A metal gasket 14 and a silicone gasket 15 are sleeved on the surface of the screw 12 , and the silicone gasket 15 is located on the top of the metal gasket 14 .

[0044] In this embodiment, the metal gasket 14 and the silicone gasket 15 are provided to improve the stability of the screw 12 fixing the protective housing 8. At the same time, the silicone gasket 15 contacts the rust removal layer without damaging the rust removal layer.

[0045] The material of the moisture absorbing layer 6 is activated carbon.

[0046] In this embodiment, the material of the moisture absorbing layer 6 is set to activated carbon, which can effectively absorb moisture in the trunk and avoid damage to the heat insulation mechanism 2 due to the influence of moisture.

[0047] The support plate 9 is made of wood and has a plurality of through holes on the top.

[0048] In this embodiment, by setting the material of the support plate 9 to be wood, the adsorption layer can be supported, and the wood material support is not easy to damage the activated carbon.

[0049] Working principle: When working, the foaming layer 3 in the heat insulation mechanism 2 is made of foam, which can isolate the heat energy received by the cover body 1, thereby achieving the effect of isolating heat energy. At the same time, the heat insulation layer 4 is made of glass fiber, which can block the heat energy from entering the trunk, further improving the heat insulation effect. The thermal insulation layer 5 is made of thermal insulation cotton, which has high thermal insulation properties, ensuring that the trunk is at a suitable temperature. At the same time, the hygroscopic layer 6 is made of activated carbon, which can absorb moisture in the trunk to prevent moisture from damaging the foaming layer 3, the heat insulation layer 4 and the thermal insulation layer 5. At the same time, the protective shell 8 in the protective mechanism 7 can support the heat insulation mechanism 2, and the support plate 9 can support the hygroscopic layer 6 by contacting the bottom of the hygroscopic layer 6, thereby playing a protective role.

[0050] Although the embodiments of the present invention have been shown and described, it is understandable to those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents. At the same time, the embodiments of this specific implementation method are all preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby. Therefore, any equivalent changes made according to the structure, shape and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A heat-insulating automobile trunk rear door cover, comprising a cover body (1), characterized in that: A heat insulating mechanism (2) is provided on one side of the cover plate body (1), and the heat insulating mechanism (2) is composed of a foaming layer (3), a heat insulating layer (4), a thermal insulation layer (5) and a hygroscopic layer (6) in order from top to bottom, and the foaming layer (3), the heat insulating layer (4), the thermal insulation layer (5) and the hygroscopic layer (6) are bonded together by phenolic resin glue, and a protective mechanism (7) is provided at the bottom of the cover plate body (1), and the protective mechanism (7) includes a protective shell (8), and a support plate (9) is provided inside the protective shell (8), and the top of the support plate (9) is in contact with the bottom of the hygroscopic layer (6).

2. The heat-insulating automobile trunk rear door cover according to claim 1, characterized in that: The bottom of the protective shell (8) is provided with a wear-resistant layer (10), and the bottom of the wear-resistant layer (10) is provided with an anti-rust layer (11).

3. The heat-insulating automobile trunk rear door cover according to claim 2, characterized in that: The protective shell (8) is made of metal, the wear-resistant layer (10) is formed by electroplating an alloy on the surface of the protective shell (8), and the rust-proof layer (11) is formed by spraying a rust remover on the surface of the electroplated layer.

4. The heat-insulating automobile trunk rear door cover according to claim 1, characterized in that: The inner bottom of the protective shell (8) is threadedly connected to a plurality of screws (12), and the bottom of the cover plate body (1) is provided with threaded holes (13) for use with the screws (12).

5. The heat-insulating automobile trunk rear door cover according to claim 4, characterized in that: A metal gasket (14) and a silicone gasket (15) are sleeved on the surface of the screw (12), and the silicone gasket (15) is located on the top of the metal gasket (14).

6. The heat-insulating automobile trunk rear door cover according to claim 1, characterized in that: The material of the moisture absorbing layer (6) is activated carbon.

7. The heat-insulating automobile trunk rear door cover according to claim 1, characterized in that: The support plate (9) is made of wood and has a plurality of through holes on the top.

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