Heat insulation steel fireproof door
By using a detachable front and rear door structure and a temperature sensor cooling system, the problem of the inability to replace the insulation material of steel fire doors after damage is solved, thus achieving resource conservation and improved escape safety.
Patent Information
- Application Number
- CN202423106188.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-12-17
AI Technical Summary
The existing steel fire doors suffer from the problem of damaged insulation material after high temperatures, which cannot be replaced, resulting in a waste of resources for overall replacement.
A heat-insulated steel fire door was designed, which facilitates the replacement of heat insulation and fireproof panels through a detachable front and rear door structure and bolt connection, and is equipped with a temperature sensor and a cooling system to prevent burns.
It enables convenient replacement of insulation materials, saves resources, and reduces the risk of burns from handles in a fire, thereby increasing the probability of escape.
Smart Images
Figure CN223621492U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fire protection equipment technology, specifically to a heat-insulated steel fire door. Background Technology
[0002] Steel fire doors are doors made of steel for the door frame, door leaf skeleton and door leaf panel. If the door leaf is filled with material, it is filled with fireproof and heat-insulating material that is non-toxic and harmless to the human body, and equipped with fireproof hardware accessories to form a door with fire-resistant properties.
[0003] Currently, steel fire doors are made of metal, and the fire doors and the insulation materials inside them may be damaged and their insulation effect may be reduced after being exposed to high temperatures. However, existing steel fire doors cannot replace the corresponding insulation materials or damaged parts of the fire door according to the situation. Generally, the entire fire door is replaced, which leads to a waste of resources. Therefore, we propose a heat-insulated steel fire door. Utility Model Content
[0004] The purpose of this utility model is to provide a heat-insulated steel fire door, which has the advantages of convenient disassembly and replacement and resource saving. It solves the problem that existing steel fire doors cannot be replaced with the corresponding heat insulation materials or damaged parts of the fire door according to the situation. Generally, the entire fire door is replaced directly, which leads to resource waste.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a heat-insulated steel fire door, comprising a front door body and a rear door body. A handle with a hollow inner surface is fixedly installed on the left end of the front of the front door body. A positioning rib is fixedly connected to the upper end of the rear side of the front door body. Three positioning slots are provided on the inner surface of the positioning rib and the bottom of the front door body. Countersunk holes are provided on the left and right ends of the bottom of the front door body and the top of the rear door body. A supporting rib is fixedly connected to the lower end of the front of the rear door body. Internal threaded holes corresponding to the countersunk holes are provided on the inner surfaces of the supporting rib and the positioning rib. Connecting bolts are threaded onto the inner surfaces of the internal threaded holes. Positioning blocks corresponding to the positioning slots are fixedly connected to the bottom of the front end of the rear door body and the bottom of the supporting rib. A heat insulation plate and a fireproof plate are arranged sequentially from front to back between the front and rear door bodies.
[0006] Preferably, the longitudinal section of the rear door is an inverted L-shaped structure, and the front door and the rear door are adapted to each other.
[0007] Preferably, the positioning slot and the positioning block are adapted to each other, and the positioning block is engaged with the inner side of the positioning slot.
[0008] Preferably, the supporting rib is adapted to the front door body, and the positioning rib and the supporting rib are vertically aligned.
[0009] Preferably, heat insulation blocks are fixedly connected to both the left and right ends of the rear side of the front door body, a cooling water tank is fixedly installed on the rear side of the heat insulation blocks, a liquid guide pipe is connected between the upper right end of the cooling water tank and the upper rear end of the handle, and a pump is fixedly installed on the lower left end of the cooling water tank.
[0010] Preferably, a groove is provided at the upper end of the rear side of the front door body, a temperature sensor is fixedly installed inside the groove, and a controller is fixedly installed at the upper end of the left side of the cooling water tank.
[0011] Preferably, the inlet end of the pump extends to the lower end of the inner cavity of the cooling water tank through a pipe, and the outlet end of the pump is connected to the lower end of the handle through a pipe.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0013] 1. When it is necessary to replace the corresponding heat insulation material or the damaged part of the fire door structure according to the situation, the connecting bolt is rotated in the countersunk hole. After the connecting bolt is disengaged from the internal thread hole and the countersunk hole in sequence, it drives the rear door body to move upward on the rear side of the front door body. This causes the positioning block to disengage from the inner side of the positioning slot, so that the front door body and the rear door body can be separated. This makes it convenient for users to replace the front door body, the rear door body, the heat insulation board and the fireproof board according to the situation. Thus, this steel fire door has the ability to be easily disassembled and replaced and save resources, which is beneficial to people's use.
[0014] 2. This utility model, through the setting of a temperature sensor, can simultaneously detect the temperature of the front door in the event of a fire. When the temperature sensor detects that the temperature of the front door exceeds the set value, it can simultaneously transmit the data to the controller for processing. After the controller completes the processing, it turns on the pump, which then delivers water from the cooling water tank to the hollow handle. With the assistance of the liquid guide tube, the water flowing in the handle can flow back into the cooling water tank, thereby cooling the handle and preventing people from being burned by the handle when pushing the door to escape in the event of a fire. It also helps to increase the probability of people escaping. The setting of the heat insulation block can reduce the impact of high external temperatures on the cooling water tank, thereby extending the cooling time of the handle. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the exploded structure of this utility model;
[0016] Figure 2 This utility model Figure 1 Another perspective structural diagram;
[0017] Figure 3 This is a cross-sectional structural diagram of the present invention;
[0018] Figure 4 This is a schematic diagram of the front door structure of this utility model.
[0019] In the diagram: 1. Front door body; 2. Rear door body; 3. Handle; 4. Positioning rib; 5. Heat insulation board; 6. Fireproof board; 7. Connecting bolt; 8. Countersunk hole; 9. Supporting rib; 10. Positioning slot; 11. Groove; 12. Heat insulation block; 13. Cooling water tank; 14. Positioning block; 15. Liquid guide pipe; 16. Temperature sensor; 17. Controller; 18. Pump; 19. Internal threaded hole. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0023] The components of this application, including the front door body 1, rear door body 2, handle 3, positioning rib plate 4, heat insulation plate 5, fireproof plate 6, connecting bolt 7, countersunk hole 8, supporting rib plate 9, positioning slot 10, groove 11, heat insulation block 12, cooling water tank 13, positioning block 14, liquid guide pipe 15, temperature sensor 16, controller 17, pump 18, and internal threaded hole 19, are all general standard parts or parts known to those skilled in the art. Their structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods.
[0024] Example 1
[0025] Please see Figures 1-4 As shown, this utility model provides a technical solution: a heat-insulated steel fire door, including a front door body 1 and a rear door body 2. The longitudinal section of the rear door body 2 is an inverted L-shaped structure, and the front door body 1 and the rear door body 2 are adapted to each other. A handle 3 with a hollow inner surface is fixedly installed on the left end of the front of the front door body 1. A positioning rib plate 4 is fixedly connected to the upper end of the rear side of the front door body 1. Three positioning slots 10 are opened on the inner surface of the positioning rib plate 4 and the bottom of the front door body 1. Countersunk holes 8 are opened at the left and right ends of the bottom of the front door body 1 and the top of the rear door body 2. A supporting rib plate 9 is fixedly connected to the lower end of the front of the rear door body 2. Rib 9 is adapted to the front door body 1, and positioning rib 4 and supporting rib 9 are vertically aligned. The inner surfaces of the left and right ends of supporting rib 9 and positioning rib 4 are provided with internal threaded holes 19 corresponding to countersunk holes 8. The inner surface of the internal threaded holes 19 is threaded with connecting bolts 7. The bottom of the front end of the rear door body 2 and the bottom of the supporting rib 9 are fixedly connected with positioning blocks 14 corresponding to positioning slots 10. Positioning slots 10 and positioning blocks 14 are adapted to each other, and positioning blocks 14 are engaged with the inner side of positioning slots 10. A heat insulation plate 5 and a fireproof plate 6 are arranged sequentially from front to back between the front door body 1 and the rear door body 2.
[0026] This technical solution improves the heat insulation and fire resistance of the steel fire door by installing the heat insulation plate 5 and the fireproof plate 6. When it is necessary to replace the corresponding heat insulation material or repair damaged parts of the fire door structure, the connecting bolt 7 is rotated in the countersunk hole 8. After the connecting bolt 7 is disengaged from the internal thread hole 19 and the countersunk hole 8, the rear door body 2 moves upward from the rear side of the front door body 1, thereby causing the positioning block 14 to disengage from the inside of the positioning slot 10. This allows the front door body 1 and the rear door body 2 to separate, facilitating the user to adjust the front door as needed. The front door body 1 and rear door body 2, as well as the heat insulation plate 5 and fireproof plate 6, are replaced. After the replacement, the heat insulation plate 5 and fireproof plate 6 are placed into the front door body 1 and rear door body 2. With the assistance of the positioning rib plate 4 and the supporting rib plate 9, the corresponding positioning block 14 is inserted into the positioning slot 10 again to achieve the basic positioning of the front door body 1 and rear door body 2. Then, the connecting bolt 7 is threaded through the countersunk hole 8 and threaded into the internal thread hole 19 and tightened. Thus, this steel fire door can be easily disassembled and replaced and save resources, which is beneficial to people's use.
[0027] Example 2
[0028] Based on Embodiment 1, this utility model is as follows: Figures 1-4As shown, heat insulation blocks 12 are fixedly connected to both the left and right ends of the rear side of the front door body 1. A cooling water tank 13 is fixedly installed on the rear side of the heat insulation block 12. A liquid guide pipe 15 is connected between the upper right end of the cooling water tank 13 and the upper rear end of the handle 3. A pump 18 is fixedly installed on the lower left side of the cooling water tank 13. A groove 11 is opened on the upper rear side of the front door body 1. A temperature sensor 16 is fixedly installed inside the groove 11. A controller 17 is fixedly installed on the upper left side of the cooling water tank 13. The liquid inlet of the pump 18 extends to the lower end of the inner cavity of the cooling water tank 13 through a pipe. The liquid outlet of the pump 18 is connected to the lower rear end of the handle 3 through a pipe.
[0029] This technical solution: By setting the temperature sensor 16, the temperature of the front door 1 can be detected simultaneously in the event of a fire. When the temperature sensor 16 detects that the temperature of the front door 1 exceeds the set value, it can transmit the data to the controller 17 for processing. After the controller 17 completes the processing, it turns on the pump 18, which then delivers the water in the cooling water tank 13 to the hollow handle 3. With the assistance of the liquid guide pipe 15, the water flowing in the handle 3 can flow back into the cooling water tank 13, thereby cooling the handle 3. This prevents people from being burned by the handle 3 when pushing the door to escape in the event of a fire, and increases the probability of people escaping. The heat insulation block 12 reduces the impact of high external temperatures on the cooling water tank 13, thereby extending the cooling time of the handle 3.
[0030] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.
[0031] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.
[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the essence and scope of the technical solutions of this utility model.
Claims
1. A heat-insulated steel fire door, comprising a front door body (1) and a rear door body (2), characterized in that: A handle (3) with a hollow inner surface is fixedly installed on the left end of the front of the front door (1). A positioning rib (4) is fixedly connected to the upper rear side of the front door (1). The inner surface of the positioning rib (4) and the bottom of the front door (1) are provided with three positioning slots (10). Countersunk holes (8) are provided at the left and right ends of the bottom of the front door (1) and the top of the rear door (2). A supporting rib (9) is fixedly connected to the lower end of the front of the rear door (2). The inner surfaces of the left and right ends of the supporting rib (9) and the positioning rib (4) are provided with internal threaded holes (19) corresponding to the countersunk holes (8). The inner surfaces of the internal threaded holes (19) are threaded with connecting bolts (7). The bottom of the front end of the rear door body (2) and the bottom of the supporting rib (9) are fixedly connected with positioning blocks (14) corresponding to the positioning slots (10). The front door body (1) and the rear door body (2) are provided with heat insulation plates (5) and fireproof plates (6) from front to back.
2. The insulated steel fire door according to claim 1, characterized in that: The longitudinal section of the rear door body (2) is an inverted L-shaped structure, and the front door body (1) and the rear door body (2) are compatible.
3. The insulated steel fire door according to claim 1, characterized in that: The positioning slot (10) and the positioning block (14) are adapted to each other, and the positioning block (14) is engaged with the inside of the positioning slot (10).
4. The insulated steel fire door according to claim 1, characterized in that: The supporting rib (9) is adapted to the front door body (1), and the positioning rib (4) and the supporting rib (9) are vertically aligned.
5. A heat-insulated steel fire door according to claim 1, characterized in that: Heat insulation blocks (12) are fixedly connected to both ends of the rear side of the front door body (1). A cooling water tank (13) is fixedly installed on the rear side of the heat insulation block (12). A liquid guide pipe (15) is connected between the upper right end of the cooling water tank (13) and the upper rear end of the handle (3). A pump (18) is fixedly installed on the lower left side of the cooling water tank (13).
6. A heat-insulated steel fire door according to claim 5, characterized in that: A groove (11) is provided on the upper rear side of the front door body (1), a temperature sensor (16) is fixedly installed on the inner side of the groove (11), and a controller (17) is fixedly installed on the upper left side of the cooling water tank (13).
7. A heat-insulated steel fire door according to claim 6, characterized in that: The inlet of the pump (18) extends through a pipe to the lower end of the inner cavity of the cooling water tank (13), and the outlet of the pump (18) is connected through a pipe to the lower end of the handle (3) on the rear side.