Supporting device and anti-theft door
By designing a support device including a thermoset composite polystyrene insulation board in the anti-theft door, the problem of insufficient fire resistance performance of the anti-theft door is solved, and the effect of improving fire resistance and strength is achieved.
Patent Information
- Application Number
- CN202421584625.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-07-04
AI Technical Summary
The existing anti-theft doors have poor fire resistance and cannot effectively block the spread of fire, which makes it difficult for people to escape when a fire occurs in high-rise residential buildings.
A support device is designed, including a housing cavity formed by connecting the first sheet metal shell and the second sheet metal shell, and is filled with a thermoset composite polystyrene insulation board to improve the fire resistance of the anti-theft door.
Through the design of the support device, the anti-theft door not only improves its strength and enhances its anti-plitting and damage capabilities, but also has good fire resistance, which can effectively block the spread of fire and ensure personnel safety.
Smart Images

Figure CN223018500U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of anti-theft door processing and manufacturing, and particularly relates to a supporting device and an anti-theft door. Background Art
[0002] With the improvement of people's living standards and material levels, people's awareness of protecting property and personal safety is also increasing. As a result, the requirements for doors are getting higher and higher. Traditional iron doors, wooden doors, etc. can no longer meet people's living needs due to their poor anti-theft and fire-proof performance. Therefore, anti-theft doors are generally more acceptable to people.
[0003] The full name of an anti-theft door is "anti-theft security door". It has both anti-theft and safety performance. However, existing anti-theft doors generally focus more on the design of anti-theft functions and neglect the consideration of safety aspects such as fire prevention. However, with the development of technology, there are more fire hazards brought by various electrical appliances, etc. Especially in high-rise residential buildings, it is difficult for people to escape in case of a fire. Therefore, from the perspective of personal safety, anti-theft doors need to have good fire-proof performance so as to block the spread of fire in time and gain time for fire fighting and people's escape.
[0004] The inner cavity of existing anti-theft doors is usually filled with honeycomb paper, honeycomb aluminum, polyurethane foam, etc. to obtain good sound insulation and lightweight design performance. However, since materials such as honeycomb paper cannot completely fill the inner cavity of the anti-theft door, the existing anti-theft door design is prone to defects such as air pockets, bulges, and depressions in the inner cavity, and materials such as honeycomb paper and honeycomb aluminum do not have fire-proof and heat-insulating characteristics. Summary of the Utility Model
[0005] The purpose of the utility model is to solve the technical problem of poor fire-proof performance of existing anti-theft doors. The utility model provides a supporting device, which can improve the fire-proof performance of the anti-theft door.
[0006] To solve the above technical problem, an embodiment of the utility model discloses a supporting device, including:
[0007] A first sheet metal housing;
[0008] A second sheet metal housing, the first sheet metal housing and the second sheet metal housing are connected, and the first sheet metal housing and the second sheet metal housing enclose a containing cavity;
[0009] A thermosetting composite polystyrene insulation board, the thermosetting composite polystyrene insulation board is filled and arranged in the containing cavity.
[0010] With the above technical solution, the first sheet metal housing and the second sheet metal housing form a receiving cavity, which can not only improve the support strength, but also be used to fill the thermosetting composite polystyrene insulation board, making full use of the outstanding performance of the thermosetting composite polystyrene insulation board in terms of fire prevention, etc. For example, the thermosetting composite polystyrene insulation board is not easy to burn when encountering fire, the molten combustion products do not drip, and the flame is not easy to spread. Therefore, the support device can not only enhance the support strength, but also have good fire prevention performance, and can be used to improve the fire prevention performance of the anti-theft door.
[0011] According to another specific embodiment of the present invention, an embodiment of the present invention discloses a support device, wherein the first sheet metal housing, the second sheet metal housing, and the thermosetting composite polystyrene insulation board are all plate-shaped.
[0012] According to another specific embodiment of the present invention, an embodiment of the present invention discloses a support device, the support device includes a plurality of strengthening parts, along a first direction, the thermosetting composite polystyrene insulation board includes a first surface and a second surface, and the plurality of strengthening parts are spaced apart and provided on the first surface and / or the second surface.
[0013] According to another specific embodiment of the present invention, an embodiment of the present invention discloses a support device, the strengthening part includes a steel bar mesh, the steel bar mesh includes a first part and a second part, the first part extends along a second direction, the second part extends along a third direction, and the first part and the second part intersect.
[0014] With the above technical solution, on the one hand, it can improve the strength of the anti-theft door and enhance the anti-prying and anti-destruction ability of the anti-theft door; on the other hand, the strengthening part is provided on the first surface or the second surface of the thermosetting composite polystyrene insulation board, which can enhance the strength of the thermosetting composite polystyrene insulation board and the ability to prevent the molten combustion products from dripping, etc.
[0015] According to another specific embodiment of the present invention, an embodiment of the present invention discloses a support device, the first surface is fittingly provided on the first sheet metal housing, the second surface is fittingly provided on the second sheet metal housing, along the first direction, the plurality of strengthening parts are provided between the first surface and the first sheet metal housing, and / or, the strengthening part is provided between the second surface and the second sheet metal housing.
[0016] With the above technical solution, the first surface is fittingly provided on the first sheet metal housing, and the second surface is fittingly provided on the second sheet metal housing, which is convenient for the thermosetting composite polystyrene insulation board to be completely filled between the first sheet metal housing and the second sheet metal housing, and avoids defects such as hollowing, bulging, and denting of the anti-theft door caused by incomplete filling.
[0017] According to another specific embodiment of the present utility model, an embodiment of the present utility model discloses a support device. The first sheet metal housing includes a bottom and a side portion. The bottom extends along a second direction, and the side portion extends along a first direction and is disposed on the bottom. The side portion is connected to the second sheet metal housing, and the bottom, the side portion, and the second sheet metal housing enclose to form the accommodation cavity.
[0018] By adopting the above technical solution, it is possible to prevent the thermosetting composite polystyrene insulation board from falling off from the accommodation cavity and enhance the stability of the thermosetting composite polystyrene insulation board.
[0019] According to another specific embodiment of the present utility model, an embodiment of the present utility model discloses a support device. The first sheet metal housing includes a first mounting portion, and the second sheet metal housing includes a second mounting portion. The first mounting portion is disposed on the bottom, and the second mounting portion is disposed on the second sheet metal housing. Along the first direction, the first mounting portion and the second mounting portion are oppositely arranged, and the first mounting portion and the second mounting portion are jointly used for mounting a door handle.
[0020] According to another specific embodiment of the present utility model, an embodiment of the present utility model discloses a support device. The first sheet metal housing includes a third mounting portion, and the side portion includes a first convex portion, a second convex portion, a third convex portion, and a fourth convex portion. The first convex portion, the second convex portion, the third convex portion, and the fourth convex portion are connected end to end in sequence. Among them, along the second direction, the first convex portion and the third convex portion are spaced apart, and the third mounting portion is disposed on the first convex portion for mounting a door lock.
[0021] According to another specific embodiment of the present utility model, an embodiment of the present utility model discloses a support device. The first sheet metal housing includes a fourth mounting portion and at least one fifth mounting portion. The fourth mounting portion is disposed on the third convex portion for mounting a hinge, and the fifth mounting portion is disposed on the second convex portion and / or the fourth convex portion for mounting a mortise lock.
[0022] An embodiment of the present utility model also discloses an anti-theft door, and the anti-theft door at least includes the support device in any one of the above embodiments.
[0023] By adopting the above technical solution, the anti-theft door can have the advantages of fire prevention, heat insulation, heat preservation, non-deformation, high strength, sound insulation, and convenience in construction. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 A simplified schematic diagram of the anti-theft door provided by the embodiment of the present application is shown.
[0025] Figure 2 An exploded view of the support device provided by the embodiment of the present application is shown.
[0026] Figure 3 The bottom view of the support device provided by the embodiment of the present application is shown.
[0027] Figure 4 The schematic diagram of the strengthening part of the support device provided by the embodiment of the present application is shown.
[0028] Figure 5 The schematic diagram of the thermosetting composite polystyrene insulation board of the support device provided by the embodiment of the present application is shown.
[0029] Figure 6 The perspective view of the support device provided by the embodiment of the present application is shown.
[0030] Figure 7 The perspective view of the first sheet metal housing of the support device provided by the embodiment of the present application is shown. Detailed implementation manners
[0031] The following specific embodiments illustrate the implementation manners of the present utility model. Those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. Although the description of the present utility model will be introduced in conjunction with the preferred embodiments, this does not mean that the features of this utility model are limited to this implementation manner. On the contrary, the purpose of introducing the utility model in conjunction with the implementation manner is to cover other alternatives or modifications that may be extended based on the claims of the present utility model. In order to provide a deep understanding of the present utility model, many specific details will be included in the following description. The present utility model can also be implemented without these details. In addition, in order to avoid confusing or obscuring the key points of the present utility model, some specific details will be omitted in the description. It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other.
[0032] It should be noted that in this specification, similar reference numerals and letters indicate similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0033] In the description of this embodiment, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "bottom", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.
[0034] The terms "first", "second", etc. are only used for descriptive distinction and should not be construed as indicating or implying relative importance.
[0035] In the description of this embodiment, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in this embodiment can be understood according to specific circumstances.
[0036] To make the objectives, technical solutions, and advantages of the present utility model clearer, the embodiments of the present utility model will be further described in detail below with reference to the accompanying drawings.
[0037] In some embodiments, referring to Figure 1 , this application provides an anti-theft door, including a door frame 10, a door leaf 20, and a lock system (not shown in the figure). Among them, the door leaf 20 includes a support device 21 for increasing the strength of the door leaf 20 and improving the heat preservation, fire prevention, and heat insulation performance of the door leaf 20.
[0038] In some embodiments, referring to Figure 1 , Figure 2 , the support device 21 includes a thermosetting composite polystyrene insulation board 211, a first sheet metal housing 212, and a second sheet metal housing 213. The first sheet metal housing 212 and the second sheet metal housing 213 are connected, and the first sheet metal housing 212 and the second sheet metal housing 213 enclose a receiving cavity 214, and the thermosetting composite polystyrene insulation board 211 is filled and disposed in the receiving cavity 214.
[0039] With the above technical solution, the receiving cavity 214 is formed by the first sheet metal housing 212 and the second sheet metal housing 213, which can not only improve the support strength but also be used to fill the thermosetting composite polystyrene insulation board 211, making full use of the outstanding performance of the thermosetting composite polystyrene insulation board 211 in aspects such as fire prevention. For example, the thermosetting composite polystyrene insulation board 211 is not easy to burn when encountering fire, the molten combustion products do not drip, and the flame is not easy to spread. Therefore, the support device 21 can not only enhance the support strength but also have good fire prevention performance, which can be used to improve the fire prevention performance of the anti-theft door.
[0040] Exemplarily, the thermosetting composite polystyrene insulation board 211 is also known as the thermosetting composite polystyrene foam insulation board. The thermosetting composite polystyrene insulation board 211 is a homogeneous board-shaped product made by using polystyrene foam particles or plates as the thermal insulation matrix and compounding with a treatment agent. The manufacturing process of the thermosetting composite polystyrene foam insulation board involves multiple links, including raw material preparation, foaming, thermosetting, cutting, and post-treatment processes. The composite processes of the thermosetting composite polystyrene foam insulation board mainly include particle coating, mixed molding, or substrate penetration, etc., and have the characteristics of having a certain shape retention ability and not producing molten dripping objects under the fire condition.
[0041] In some embodiments, the first sheet metal housing 212, the second sheet metal housing 213, and the thermosetting composite polystyrene insulation board 211 are all plate-shaped. Exemplarily, the first sheet metal housing 212, the second sheet metal housing 213, and the thermosetting composite polystyrene insulation board 211 are all cuboid-shaped. It can be understood that the present application does not limit the shapes of the first sheet metal housing 212, the second sheet metal housing 213, and the thermosetting composite polystyrene insulation board 211, and they can also be other shapes such as cube-shaped.
[0042] In some embodiments, refer to Figure 1 、 Figure 2 、 Figure 3 , the support device 21 includes a plurality of strengthening parts 215. Along the first direction X, the thermosetting composite polystyrene insulation board 211 includes a first surface 2111 and a second surface 2112, and the plurality of strengthening parts 215 are spaced apart and provided on the first surface 2111 or the second surface 2112; alternatively, the plurality of strengthening parts 215 are spaced apart and provided on the first surface 2111 and the second surface 2112.
[0043] Adopting the above technical solution, by providing a plurality of strengthening parts 215 on the first surface 2111 or the second surface 2112 of the thermosetting composite polystyrene insulation board 211, the strength of the door leaf 20 can be further increased, and the setting of the strengthening parts 215 can also achieve the effect of fire prevention and heat insulation.
[0044] In some embodiments, refer to Figure 2 、 Figure 3 、 Figure 4 , the strengthening part 215 includes a steel bar mesh 2151. The steel bar mesh 2151 includes a first part 2152 and a second part 2153. The first part 2152 extends along the second direction Y, and the second part 2153 extends along the third direction Z, and the first part 2152 and the second part 2153 intersect. Exemplarily, refer to Figure 5, the reinforcing portion 215 includes three steel bar meshes 2151. The three steel bar meshes 2151 are arranged at intervals along the second direction Y on the first surface 2111. Each steel bar mesh 2151 includes seven first portions 2152 arranged at intervals along the third direction Z, and six second portions 2153 arranged at intervals along the second direction Y. Each first portion 2152 intersects with each second portion 2153 to form a square steel bar mesh 2151.
[0045] It can be understood that the number of the steel bar meshes 2151 in this application is not limited. For example, it can also be 1, 2, 4, 5, 6, 7, etc. In addition, the number of the first portions 2152 and the second portions 2153 in this application is not limited. For example, the first portions 2152 and the second portions 2153 can also be 1, 2, 3, 4, 5, 8, 9, 10, etc. respectively.
[0046] In some embodiments, referring to Figure 3 , Figure 4 , Figure 5 and in combination with Figure 2 , the steel bar mesh 2151 includes a first steel bar mesh 21511 and a second steel bar mesh 21512. The first steel bar mesh 21511 is arranged on the first surface 2111, and the second steel bar mesh 21512 is arranged on the second surface 2112. The first surface 2111 is attached to the first sheet metal housing 212, and the second surface 2112 is attached to the second sheet metal housing 213. When multiple reinforcing portions 215 are arranged at intervals on the first surface 2111 or the second surface 2112, along the first direction X, the first steel bar mesh 21511 is arranged between the first surface 2111 and the first sheet metal housing 212, or the second steel bar mesh 21512 is arranged between the second surface 2112 and the second sheet metal housing 213. When multiple reinforcing portions 215 are arranged at intervals on the first surface 2111 and the second surface 2112, along the first direction X, the first steel bar mesh 21511 is arranged between the first surface 2111 and the first sheet metal housing 212, and the second steel bar mesh 21512 is arranged between the second surface 2112 and the second sheet metal housing 213.
[0047] In some embodiments, referring to Figure 6 , Figure 7 and in combination with Figure 2, the first sheet metal housing 212 includes a bottom 2121 and side portions 2122. The bottom 2121 extends along the second direction Y, and the side portions 2122 extend along the first direction X and are provided on the bottom 2121. The side portions 2122 are connected to the second sheet metal housing 213, and the bottom 2121, the side portions 2122, and the second sheet metal housing 213 enclose a receiving cavity 214. Exemplarily, the side portions 2122 include a first convex portion 2123, a second convex portion 2124, a third convex portion 2125, and a fourth convex portion 2126. The first convex portion 2123, the second convex portion 2124, the third convex portion 2125, and the fourth convex portion 2126 are connected end to end in sequence. Among them, along the second direction Y, the first convex portion 2123 and the third convex portion 2125 are spaced apart.
[0048] In some embodiments, referring to Figure 2 , Figure 3 , the first sheet metal housing 212 includes a first mounting portion 2127, and the second sheet metal housing 213 includes a second mounting portion 2131. The first mounting portion 2127 is provided on the bottom 2121, and the second mounting portion 2131 is provided on the second sheet metal housing 213. Along the first direction X, the first mounting portion 2127 and the second mounting portion 2131 are disposed opposite to each other, and the first mounting portion 2127 and the second mounting portion 2131 are jointly used for mounting a door handle. Exemplarily, the first mounting portion 2127 includes six first through holes 21271, and the six first through holes 21271 are spaced apart along the second direction Y, and each first through hole 21271 penetrates through the bottom 2121 of the first sheet metal housing 212. The second mounting portion 2131 includes six second through holes 21311, and the six second through holes 21311 are spaced apart along the second direction Y, and each second through hole 21311 penetrates through the second sheet metal housing 213. Each first through hole 21271 and each second through hole 21311 are disposed opposite to each other in pairs along the first direction X.
[0049] In some embodiments, referring to Figure 6 , Figure 7 , the first sheet metal housing 212 includes a third mounting portion 2128, and the third mounting portion 2128 is provided on the first convex portion 2123 for mounting a door lock. Exemplarily, the third mounting portion 2128 includes three third through holes 21281, and the three third through holes 21281 are spaced apart along the second direction Y, and each third through hole 21281 penetrates through the first convex portion 2123.
[0050] In some embodiments, referring to Figure 6 , Figure 7, the first sheet metal housing 212 includes a fourth mounting portion 2129 and at least one fifth mounting portion 2120. The fourth mounting portion 2129 is provided on the third convex portion 2125 for mounting a hinge, and the fifth mounting portion 2120 is provided on the second convex portion 2124 and / or the fourth convex portion 2126 for mounting a floor spring lock. Exemplarily, the fourth mounting portion 2129 includes 6 groups of fourth through holes 21291 arranged at intervals in the second direction Y. Each group of fourth through holes 21291 includes two fourth through holes 21291 arranged at intervals, and each fourth through hole 21291 penetrates through the third convex portion 2125. The first sheet metal housing 212 includes 2 fifth mounting portions 2120. One fifth mounting portion 2120 is provided on the second convex portion 2124, and the other fifth mounting portion 2120 is provided on the fourth convex portion 2126. Exemplarily, one of the fifth mounting portions 2120 includes a fifth through hole 21201 that penetrates through the second convex portion 2124, and the other fifth mounting portion 2120 includes a sixth through hole 21202 that penetrates through the fourth convex portion 2126.
[0051] It should be noted that the floor spring lock, also known as the floor spring hook, is usually composed of accessories such as a lock head, a push rod, upper and lower lock tongues, floor spring rods, a tail cover, etc. The upper and lower lock tongues of the floor spring lock can extend out from the fifth through hole 21201 and the sixth through hole 21202 respectively to lock the door frame and the floor, which can greatly improve the anti-prying performance of the anti-theft door.
[0052] It can be understood that the present application does not limit the number of the first through hole 21271, the second through hole 21311, the third through hole 21281, the fourth through hole 21291, the fifth through hole 21201, and the sixth through hole 21202. For example, the number can also be 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc.
[0053] Although the present invention has been illustrated and described by referring to some preferred embodiments of the present invention, those of ordinary skill in the art should understand that the above content is a further detailed description of the present invention in combination with specific embodiments, and it cannot be determined that the specific implementation of the present invention is only limited to these descriptions. Those skilled in the art can make various changes in form and details, including making several simple deductions or substitutions, without departing from the spirit and scope of the present invention.
Claims
1. A supporting device, characterized in that: include: a first sheet metal housing; A second sheet metal shell, wherein the first sheet metal shell and the second sheet metal shell are connected, and the first sheet metal shell and the second sheet metal shell are enclosed to form a containing cavity; A thermosetting composite polystyrene insulation board is filled in the accommodating cavity.
2. The support device according to claim 1, characterized in that: The first sheet metal shell, the second sheet metal shell and the thermosetting composite polystyrene insulation board are all in plate shape.
3. The supporting device according to claim 1, characterized in that: The supporting device comprises a plurality of reinforcing parts. Along a first direction, the thermosetting composite polystyrene insulation board comprises a first surface and a second surface. The plurality of reinforcing parts are arranged at intervals on the first surface and / or the second surface.
4. The supporting device according to claim 3, characterized in that: The reinforcement portion includes a steel bar grid, and the steel bar grid includes a first part and a second part. The first part extends along a second direction, and the second part extends along a third direction. The first part and the second part intersect.
5. The supporting device according to claim 3, characterized in that: The first surface is attached to the first sheet metal shell, the second surface is attached to the second sheet metal shell, and along the first direction, the multiple reinforcement parts are arranged between the first surface and the first sheet metal shell, and / or the reinforcement parts are arranged between the second surface and the second sheet metal shell.
6. The supporting device according to claim 1, characterized in that: The first sheet metal shell includes a bottom and a side, the bottom is extended along the second direction, the side is extended along the first direction and is arranged on the bottom, the side is connected to the second sheet metal shell, and the bottom, the side and the second sheet metal shell enclose the accommodating cavity.
7. The supporting device according to claim 6, characterized in that: The first sheet metal shell includes a first mounting portion, and the second sheet metal shell includes a second mounting portion. The first mounting portion is arranged at the bottom, and the second mounting portion is arranged at the second sheet metal shell. Along the first direction, the first mounting portion and the second mounting portion are arranged opposite to each other, and the first mounting portion and the second mounting portion are used together for installing a door handle.
8. The supporting device according to claim 7, characterized in that: The first sheet metal shell includes a third mounting portion, and the side portion includes a first protrusion, a second protrusion, a third protrusion and a fourth protrusion, wherein the first protrusion, the second protrusion, the third protrusion and the fourth protrusion are connected in sequence, wherein along the second direction, the first protrusion and the third protrusion are spaced apart, and the third mounting portion is provided on the first protrusion for installing a door lock.
9. The supporting device according to claim 8, characterized in that: The first sheet metal shell includes a fourth mounting portion and at least one fifth mounting portion, wherein the fourth mounting portion is disposed on the third protrusion for mounting a hinge, and the fifth mounting portion is disposed on the second protrusion and / or the fourth protrusion for mounting a top and bottom lock.
10. A burglary-proof door, characterized in that: Comprising a supporting device as described in any one of claims 1-9.