Fireproof and heat-insulating touring car door
By using flame retardant inner layer and magnesium hydroxide inorganic flame retardant on the inner and outer layers of the RV doors, the problem of insufficient fire and heat insulation of RV doors is solved, and more efficient fire and heat insulation effect and safety guarantee are achieved.
Patent Information
- Application Number
- CN202421443907.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-24
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-06-24
AI Technical Summary
RV doors have shortcomings in fireproof and heat insulation, and cannot achieve a double-layer fireproof and heat insulation barrier between the inner and outer layers, affecting the fireproof and heat insulation effect.
The heat resistance and high melting point of the flame retardant inner layer are adopted, combined with a nitrogen-based flame retardant to form a fire-proof and heat-insulating barrier of the inner layer, and the outer layer is filled with magnesium hydroxide inorganic flame retardant to enhance the flame retardant effect.
It improves the fireproof and thermal insulation effect of RV doors, ensures the safety of the door body, and reduces the impact on the escapees' sight and breathing during combustion.
Smart Images
Figure CN222793204U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of RV accessories, in particular to a fireproof and heat-insulating RV door. Background Art
[0002] An RV, also known as a "home on wheels", has both the functions of a "house" and a "car", but its attribute is still a car. It is a movable type of vehicle with the basic facilities necessary for a home. The doors of most RVs are located on the left or right side of the body, and are either inward-opening or outward-opening.
[0003] While RV doors are used for people to enter and exit RVs, they also need to have certain fireproofing and heat-insulating capabilities. Due to the uncertainty of fire occurrence, if the RV doors cannot achieve an inner and outer double-layer fireproofing and heat-insulating barrier, it will affect the fireproofing and heat-insulating effects of the RV doors. Utility Model Content
[0004] In view of the above problems, the purpose of the utility model is to provide a fireproof and heat-insulating RV door to solve the problem that due to the uncertainty of fire occurrence, if the RV door cannot achieve an inner and outer double-layer fireproof and heat-insulating barrier, the fireproof and heat-insulating effect of the RV door will be affected. The flame retardant inner layer has heat resistance and high melting point, which is used for fireproofing and heat-insulating the door body. A nitrogen-based flame retardant is evenly coated on the surface of the flame retardant inner layer to cool down the combustible components generated by the high-temperature decomposition of the flame retardant inner layer, and to prevent the flame retardant inner layer from undergoing physical transformation, thereby ensuring the safety of the door body. At the same time, the flame retardant inner layer, the high-temperature resistant inner layer, and the heat-insulating inner layer form an inner layer fireproof and heat-insulating barrier, thereby improving the fireproof and heat-insulating effect of the door body.
[0005] To achieve the above objectives, the utility model adopts the following technical solution: a fireproof and heat-insulating RV door, comprising an RV door assembly, a ventilation assembly, and a fireproof and heat-insulating assembly, the RV door assembly comprising a door body, the ventilation assembly comprising a ventilation frame, the fireproof and heat-insulating assembly comprising a supporting layer board, the inner wall of the door body is connected to a smoke alarm, the inner wall of the ventilation frame is connected to a dustproof net, one end of the dustproof net is connected to an air permeable net, the end of the air permeable net away from the dustproof net is connected to a flame-retardant net, one end of the supporting layer board is connected to an insulating outer layer, the end of the insulating outer layer away from the supporting layer board is provided with a high temperature resistant outer layer, the end of the high temperature resistant outer layer away from the insulating outer layer is provided with a flame-retardant outer layer, the end of the supporting layer board away from the insulating outer layer is provided with an insulating inner layer, the end of the insulating inner layer away from the supporting layer board is provided with a high temperature resistant inner layer, and the end of the high temperature resistant inner layer away from the insulating inner layer is provided with a flame-retardant inner layer.
[0006] The beneficial effects of the utility model are as follows: the heat resistance and high melting point of the flame retardant inner layer are used for fireproofing and heat insulation of the door body; the nitrogen-based flame retardant is evenly coated on the surface of the flame retardant inner layer to cool down the combustible components generated when the flame retardant inner layer is decomposed at high temperature, and the physical transformation of the flame retardant inner layer is prevented, thereby ensuring the safety of the door body; at the same time, the flame retardant inner layer, the high temperature resistant inner layer, and the heat insulating inner layer form a fireproof and heat insulating barrier for the inner layer, thereby improving the fireproofing and heat insulating effect of the door body; the flame retardant outer layer is provided for flame retardancy of the outer layer; the flame retardant outer layer is filled with magnesium hydroxide inorganic flame retardant, so that bound water can be released when combustion occurs, and no smoke will be released in the process, thereby reducing the impact on the sight and breathing of the escaped personnel.
[0007] In order to monitor the smoke concentration in the RV:
[0008] As a further improvement of the above technical solution: a light-transmitting window is arranged on the inner side of the door body, a handle is connected to one end of the door body, and the smoke alarm includes an induction sensor and an electronic speaker.
[0009] The beneficial effect of this improvement is that by setting up a smoke alarm, the smoke concentration inside the RV can be monitored, and then used to alarm when a fire occurs in the RV.
[0010] In order to improve the air permeability of the RV door when it is closed:
[0011] As a further improvement of the above technical solution: one end of the dustproof net away from the breathable net is connected to a flame retardant net, and the flame retardant net is provided with two layers.
[0012] The beneficial effects of this improvement are: through the setting of two layers of flame retardant nets, they are used to provide flame retardant protection for the dustproof net and the breathable net respectively; through the setting of the dustproof net, it is used to filter the dust in the gas flowing into the breathable net; through the setting of the breathable net, it is used to improve the air permeability of the RV door when it is closed.
[0013] To form an outer fireproof and heat-insulating barrier together with the thermal insulation outer layer and the flame-retardant outer layer:
[0014] As a further improvement of the above technical solution: the high temperature resistant outer layer is arranged between the flame retardant outer layer and the heat insulating outer layer, and the heat insulating outer layer and the heat insulating inner layer are arranged symmetrically.
[0015] The beneficial effects of this improvement are: by setting up the heat-insulating outer layer, it is used for heat insulation of the outer layer of the door body, and by setting up the high-temperature resistant outer layer, it is used to form an outer fireproof and heat-insulating barrier together with the heat-insulating outer layer and the flame-retardant outer layer.
[0016] In order to reduce the impact on the escapee's vision and breathing:
[0017] As a further improvement of the above technical solution: the thickness of the flame retardant outer layer is the same as the thickness of the flame retardant inner layer, the flame retardant outer layer is a metal aluminum plate, and the inner side of the flame retardant outer layer is filled with magnesium hydroxide inorganic flame retardant.
[0018] The beneficial effects of this improvement are: by setting up a flame retardant outer layer, the flame retardant outer layer is used for flame retardancy, and by filling the flame retardant outer layer with magnesium hydroxide inorganic flame retardant, bound water can be released when combustion occurs, and no smoke will be released in the process, thereby reducing the impact on the vision and breathing of the escaped personnel.
[0019] In order to insulate the supporting layer and the high temperature resistant inner layer from each other:
[0020] As a further improvement of the above technical solution: the thermal insulation inner layer is a double-layer aerogel felt thermal insulation layer, and the thickness of the thermal insulation inner layer is 60 mm.
[0021] The beneficial effect of this improvement is that, by providing a heat-insulating inner layer, the support layer and the high-temperature-resistant inner layer can be insulated from each other, thereby ensuring the safety of the support layer in use.
[0022] To further reduce heat transfer to the supporting laminate:
[0023] As a further improvement of the above technical solution: the high temperature resistant inner layer is arranged between the heat insulating inner layer and the flame retardant inner layer, and the surface of the high temperature resistant inner layer is evenly coated with phosphate lead powder paint.
[0024] The beneficial effects of this improvement are: by setting up a high-temperature resistant inner layer, the high-temperature resistance of the door body is improved, and by evenly coating the surface of the high-temperature resistant inner layer with phosphate lead powder paint, infrared radiation heat and heat conduction are suppressed, thereby reducing heat conduction to the supporting layer board.
[0025] In order to reduce the temperature and flame retardant the combustible components generated when the inner layer is pyrolyzed at high temperature:
[0026] As a further improvement of the above technical solution: one end of the flame retardant inner layer away from the high temperature resistant inner layer is in contact with the inner wall of the door body, the flame retardant inner layer is a metal titanium plate, and the surface of the flame retardant inner layer is evenly coated with a nitrogen-based flame retardant.
[0027] The beneficial effects of this improvement are: the flame retardant inner layer has heat resistance and high melting point, which is used for fireproofing and heat insulation of the door body; the surface of the flame retardant inner layer is evenly coated with a nitrogen-based flame retardant to cool down the combustible components generated by the high-temperature decomposition of the flame retardant inner layer, and to prevent the flame retardant inner layer from undergoing physical transformation, thereby ensuring the safety of the door body; at the same time, the flame retardant inner layer, the high-temperature resistant inner layer, and the heat-insulating inner layer form an inner layer fireproofing and heat-insulating barrier, thereby improving the fireproofing and heat-insulating effect of the door body. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] Figure 1 It is a rear structural schematic diagram of the door body of the utility model.
[0029] Figure 2 It is a schematic diagram of the cross-sectional structure of the door body of the utility model.
[0030] Figure 3 It is a structural schematic diagram of the ventilation frame of the utility model.
[0031] Figure 4 It is a front structural schematic diagram of the door body of the utility model.
[0032] Figure 5 It is a structural schematic diagram of the flame retardant net of the utility model.
[0033] In the figure: 1. RV door assembly; 11. Door body; 12. Light-transmitting window; 13. Handle; 14. Smoke alarm; 2. Ventilation assembly; 21. Ventilation frame; 22. Flame-retardant net; 23. Dust-proof net; 24. Breathable net; 3. Fireproof and heat-insulating assembly; 31. Support layer board; 32. Heat-insulating outer layer; 33. High-temperature resistant outer layer; 34. Flame-retardant outer layer; 35. Heat-insulating inner layer; 36. High-temperature resistant inner layer; 37. Flame-retardant inner layer. DETAILED DESCRIPTION
[0034] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.
[0035] like Figure 1-5As shown, a fireproof and heat-insulating RV door comprises an RV door assembly 1, a ventilation assembly 2, and a fireproof and heat-insulating assembly 3, wherein the RV door assembly 1 comprises a door body 11, the ventilation assembly 2 comprises a ventilation frame 21, the fireproof and heat-insulating assembly 3 comprises a supporting layer plate 31, the inner wall of the door body 11 is connected to a smoke alarm 14, the inner wall of the ventilation frame 21 is connected to a dustproof net 23, one end of the dustproof net 23 is connected to an air permeable net 24, the end of the air permeable net 24 away from the dustproof net 23 is connected to a flame-retardant net 22, one end of the supporting layer plate 31 is connected to an insulating outer layer 32, the end of the insulating outer layer 32 away from the supporting layer plate 31 is provided with a high-temperature resistant outer layer 33, and the end of the high-temperature resistant outer layer 33 away from the insulating outer layer 32 is provided with a flame-retardant outer layer 3 4. An insulating inner layer 35 is provided at one end of the supporting layer 31 away from the insulating outer layer 32, a high temperature resistant inner layer 36 is provided at one end of the insulating inner layer 35 away from the supporting layer 31, a flame retardant inner layer 37 is provided at one end of the high temperature resistant inner layer 36 away from the insulating inner layer 35, a light-transmitting window 12 is provided on the inner side of the door body 11, a handle 13 is connected to one end of the door body 11, the smoke alarm 14 includes an induction sensor and an electronic speaker; the smoke alarm 14 is used to monitor the smoke concentration in the RV and then to alarm when a fire occurs in the RV, the dustproof net 23 is connected to a flame retardant net 22 at one end away from the breathable net 24, and the flame retardant net 22 is provided with two layers; through the arrangement of two layers of flame retardant net 22, They are respectively used for flame retardant protection of the dustproof net 23 and the breathable net 24. The dustproof net 23 is set to filter the dust in the gas flowing into the breathable net 24. The breathable net 24 is set to improve the air permeability of the door body 11 of the RV when it is closed. The high temperature resistant outer layer 33 is set between the flame retardant outer layer 34 and the heat insulating outer layer 32. The heat insulating outer layer 32 and the heat insulating inner layer 35 are symmetrically set. The heat insulating outer layer 32 is set to insulate the outer layer of the door body 11. The high temperature resistant outer layer 33 is set to form an outer fireproof and heat insulating barrier together with the heat insulating outer layer 32 and the flame retardant outer layer 34. The thickness of the flame retardant outer layer 34 is the same as the thickness of the flame retardant inner layer 37. The flame retardant outer layer 34 is a metal aluminum plate. The inner side of the flame retardant outer layer 34 Filled with inorganic flame retardant magnesium hydroxide; through the setting of the flame retardant outer layer 34, it is used for the flame retardancy of the outer layer. By filling the flame retardant outer layer 34 with inorganic flame retardant magnesium hydroxide, the bound water can be released when combustion occurs, and smoke will not be released in the process, thereby reducing the impact on the sight and breathing of the escaped personnel. The heat-insulating inner layer 35 is a double-layer aerogel felt insulation layer, and the thickness of the heat-insulating inner layer 35 is 60㎜; through the setting of the heat-insulating inner layer 35, it is used to insulate the supporting layer 31 and the high-temperature resistant inner layer 36 from each other, thereby ensuring the safety of the support layer 31. The high-temperature resistant inner layer 36 is arranged between the heat-insulating inner layer 35 and the flame retardant inner layer 37, and the surface of the high-temperature resistant inner layer 36 is evenly coated with phosphate lead powder paint;The high temperature resistant inner layer 36 is provided to improve the high temperature resistance of the door body 11. The surface of the high temperature resistant inner layer 36 is uniformly coated with phosphate lead powder paint to suppress infrared radiation heat and heat conduction, thereby reducing heat conduction to the supporting layer 31. The end of the flame retardant inner layer 37 away from the high temperature resistant inner layer 36 is attached to the inner wall of the door body 11. The flame retardant inner layer 37 is a metal titanium plate, and the surface of the flame retardant inner layer 37 is uniformly coated with a nitrogen-based flame retardant. The flame retardant inner layer 37 has heat resistance and a high melting point, and is used for fireproofing and heat insulation of the door body 11. The surface of the flame retardant inner layer 37 is uniformly coated with a nitrogen-based flame retardant to cool down the combustible components generated by the high temperature cracking of the flame retardant inner layer 37, and to prevent the flame retardant inner layer 37 from undergoing physical transformation, thereby ensuring the safety of the door body 11. At the same time, the flame retardant inner layer 37, the high temperature resistant inner layer 36, and the heat insulating inner layer 35 form an inner layer fireproof and heat insulating barrier, thereby improving the fireproof and heat insulating effect of the door body 11. ;
[0036] The working principle of the utility model is as follows: when in use, the heat-insulating outer layer 32 is provided to insulate the outer layer of the door body 11; the high-temperature resistant outer layer 33 is provided to form a fireproof and heat-insulating barrier of the outer layer together with the heat-insulating outer layer 32 and the flame-retardant outer layer 34; the flame-retardant outer layer 34 is provided to flame-retard the outer layer; the flame-retardant outer layer 34 is filled with an inorganic flame retardant of magnesium hydroxide, so that when combustion occurs, the bound water can be released, and no smoke will be released in the process, thereby reducing the impact on the sight and breathing of the escaped personnel; the heat-insulating inner layer 35 is provided to insulate the supporting layer 31 and the high-temperature resistant inner layer 36 from each other, thereby ensuring the safety of the support layer 31; the high-temperature resistant inner layer 36 is provided to improve the high-temperature resistance of the door body 11; the surface of the high-temperature resistant inner layer 36 is evenly coated with phosphate lead powder paint to suppress infrared radiation heat and heat conduction, thereby reducing heat transfer. It is led to the supporting layer plate 31, and the heat resistance and high melting point of the flame retardant inner layer 37 are used for fire prevention and heat insulation of the door body 11. The surface of the flame retardant inner layer 37 is evenly coated with a nitrogen-based flame retardant to cool down the combustible components generated when the flame retardant inner layer 37 is decomposed at high temperature, and to prevent the flame retardant inner layer 37 from undergoing physical transformation, thereby ensuring the safety of the door body 11. At the same time, the flame retardant inner layer 37, the high temperature resistant inner layer 36, and the heat insulating inner layer 35 form an inner layer fireproof and heat insulating barrier, thereby improving the fireproof and heat insulating effect of the door body 11. The two layers of flame retardant nets 22 are provided to respectively provide flame retardant protection for the dustproof net 23 and the breathable net 24. The dustproof net 23 is provided to filter the dust in the gas flowing into the breathable net 24. The breathable net 24 is provided to improve the air permeability of the door body 11 of the RV when it is closed. The smoke alarm 14 is provided to monitor the smoke concentration inside the RV, thereby providing an alarm when a fire occurs inside the RV.
[0037] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.
[0038] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.
Claims
1. A fireproof and heat-insulating RV door, comprising a RV door assembly (1), a ventilation assembly (2), and a fireproof and heat-insulating assembly (3), wherein the RV door assembly (1) comprises a door body (11), the ventilation assembly (2) comprises a ventilation frame (21), and the fireproof and heat-insulating assembly (3) comprises a supporting layer plate (31), characterized in that: The inner wall of the door body (11) is connected to a smoke alarm (14); the inner wall of the ventilation frame (21) is connected to a dustproof net (23); one end of the dustproof net (23) is connected to an air-permeable net (24); one end of the air-permeable net (24) away from the dustproof net (23) is connected to a flame-retardant net (22); one end of the dustproof net (23) away from the air-permeable net (24) is connected to a flame-retardant net (22); the flame-retardant net (22) is provided with two layers; one end of the supporting layer plate (31) is connected to a heat-insulating outer layer (32); The end of the heat-insulating outer layer (32) away from the supporting layer (31) is provided with a high-temperature resistant outer layer (33), the end of the high-temperature resistant outer layer (33) away from the heat-insulating outer layer (32) is provided with a flame-retardant outer layer (34), the end of the supporting layer (31) away from the heat-insulating outer layer (32) is provided with a heat-insulating inner layer (35), the end of the heat-insulating inner layer (35) away from the supporting layer (31) is provided with a high-temperature resistant inner layer (36), and the end of the high-temperature resistant inner layer (36) away from the heat-insulating inner layer (35) is provided with a flame-retardant inner layer (37).
2. A fireproof and heat-insulating RV door according to claim 1, characterized in that: A light-transmitting window (12) is arranged on the inner side of the door body (11); one end of the door body (11) is connected to a handle (13); and the smoke alarm (14) comprises an induction sensor and an electronic speaker.
3. The fireproof and heat-insulating RV door according to claim 1, characterized in that: The high temperature resistant outer layer (33) is arranged between the flame retardant outer layer (34) and the heat insulating outer layer (32), and the heat insulating outer layer (32) and the heat insulating inner layer (35) are arranged symmetrically.
4. The fireproof and heat-insulating RV door according to claim 1, characterized in that: The thickness of the flame retardant outer layer (34) is the same as that of the flame retardant inner layer (37); the flame retardant outer layer (34) is a metal aluminum plate; and the inner side of the flame retardant outer layer (34) is filled with magnesium hydroxide inorganic flame retardant.
5. The fireproof and heat-insulating RV door according to claim 1, characterized in that: The heat-insulating inner layer (35) is a double-layer aerogel felt heat-insulating layer, and the thickness of the heat-insulating inner layer (35) is 60 mm.
6. The fireproof and heat-insulating RV door according to claim 1, characterized in that: The high temperature resistant inner layer (36) is arranged between the heat insulating inner layer (35) and the flame retardant inner layer (37), and the surface of the high temperature resistant inner layer (36) is evenly coated with phosphate lead powder paint.
7. The fireproof and heat-insulating RV door according to claim 1, characterized in that: One end of the flame retardant inner layer (37) away from the high temperature resistant inner layer (36) is in contact with the inner wall of the door body (11); the flame retardant inner layer (37) is a metal titanium plate; and the surface of the flame retardant inner layer (37) is evenly coated with a nitrogen-based flame retardant.