Single-side fireproof end wall
By adopting a fire-proof structure of stainless steel skin layer and ceramic fiberboard layer in the fire-proof end wall, combining the connection method of hinges and hexagonal cylindrical head screws, and a fire-proof rubber strip is installed at the connection, the existing fire-proof end wall has solved the problems of complex operation, short fire protection time and poor fire resistance stability, and achieved higher fire resistance and safety.
Patent Information
- Application Number
- CN202420579493.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-25
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-03-25
AI Technical Summary
The existing fire-proof end walls are complex in operation, have short fire protection time and poor fire resistance and stability during use, which leads to the spread of the fire to the area where the personnel are located, causing serious consequences.
A single-sided fire-proof end wall is designed, using a fire-proof structure of stainless steel skin layer and ceramic fiberboard layer, combining the connection method of hinges and hexagonal cylindrical head screws, and a fire-proof adhesive strip is installed at the connection to enhance fire-proof performance.
It improves fire protection time and fire resistance stability, facilitates operation, ensures high reliability in the event of a fire, can effectively prevent the spread of flames, and improves the safety of rail vehicles.
Smart Images

Figure CN222820067U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of fire prevention, in particular to a single-side fireproof end wall. Background Art
[0002] Fireproof partitions are walls that can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time, and are generally used between personnel and flammable areas. Traditional locomotive driver's cabs are generally connected to the power room. Most existing fireproof end walls have disadvantages such as complex operation, short fire protection time, and poor fire resistance stability during use, which will directly cause the fire to spread to the area where the personnel are located, causing serious consequences.
[0003] Therefore, it is necessary to develop a new type of single-sided fire-resistant end wall to facilitate operation, increase fire protection time, and improve fire resistance stability. Utility Model Content
[0004] Purpose of the utility model: In view of the deficiencies and defects of the prior art, the utility model provides a single-sided fireproof end wall, which is easy to operate, increases the fireproof time, and improves the fire resistance stability.
[0005] Technical solution: The utility model is a single-sided fireproof end wall, which is characterized by comprising a single-sided fireproof end wall partition and a fireproof structure, wherein the fireproof structure comprises a stainless steel skin layer and a ceramic fiberboard layer connected in sequence.
[0006] Among them, the single-sided fireproof end wall partition includes partition one, partition two and a door, partition one and the door are connected by a hinge, and partition one and partition two are connected by a hexagon socket head screw.
[0007] Wherein, the hexagon socket cylindrical head screw is provided with a cap outside to prevent the screw from being worn and to make the appearance beautiful.
[0008] The single-sided fireproof end wall partition includes an internal frame, a ceramic fiberboard layer is provided between the internal frame and the stainless steel skin layer and the aluminum skin, and the remaining part between the internal frame and the stainless steel skin layer and the aluminum skin is filled with aluminum honeycomb and sound insulation felt.
[0009] Wherein, the door is provided with fireproof glass.
[0010] Wherein, the door and the fireproof glass are connected via hexagon socket head screws.
[0011] Wherein, fireproof rubber strips are provided at the connection between the partition wall 1 and the partition wall 2, and the partition wall 1 and the door, which can expand after being heated to prevent the flame from escaping.
[0012] Beneficial effects: Compared with the prior art, the utility model has the following significant advantages: the utility model adopts a mechanical structure, which has higher reliability in case of fire; the joint between the door and the partition wall is provided with a fireproof rubber strip, which not only has a certain fireproof performance, but also can play a buffering role and avoid the noise of closing the door. The utility model is easy to operate, increases the fireproof time, and improves the fire resistance stability. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of the utility model;
[0014] Figure 2 It is a schematic cross-sectional view of the joint between the door and the partition wall of the utility model;
[0015] Figure 3 This is a schematic cross-sectional view of the fireproof glass and its installation structure of the utility model;
[0016] Figure 4 This is a schematic diagram of the side end wall structure of the passenger compartment in Example 2 of the utility model;
[0017] Figure 5 This is a schematic diagram of the side end wall structure of the driver's cab in Example 2 of the utility model;
[0018] Figure 6 For the utility model Figure 5 Schematic diagram of the local cross-sectional structure at AA in the middle;
[0019] In the figure, 1 is a stainless steel skin layer; 2 is a ceramic fiber board layer; 3 is a sound insulation felt layer; 4 is an aluminum honeycomb; 5 is an aluminum skin; 6 is an internal frame; 7 is a partition wall 1; 8 is a partition wall 2; 9 is a door; 10 is a hexagon socket head screw; 11 is a fireproof glass; 12 is a cover cap; and 13 is a fireproof rubber strip. DETAILED DESCRIPTION
[0020] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.
[0021] Embodiment 1:
[0022] like Figure 1 The single-sided fireproof end wall of this embodiment includes a partition main structure. By arranging a fireproof structure on one side of the partition, the partition meets the fire resistance stability, integrity and thermal insulation on one side. The fireproof structure includes a stainless steel skin layer 1 and a ceramic fiberboard layer 2 in sequence.
[0023] When one side of the fireproof partition is exposed to fire: the stainless steel skin can ensure the structural integrity of the product and prevent the partition from burning through for a certain period of time. The ceramic fiberboard layer 2 has good thermal insulation performance and reduces the heat conduction efficiency.
[0024] Embodiment 2:
[0025] like Figure 2-6 As shown, the single-sided fireproof end wall of this embodiment is made of the single-sided fireproof partition wall in Example 1, which includes partition wall 1 7, partition wall 2 8 and door 9. Partition wall 1 7 and door 9 are connected by hinges, and partition wall 1 7 and partition wall 2 8 are connected by hexagon socket head screws 10. The hexagon socket head screws 10 are covered with caps 12 to prevent the screws from being worn and to make the appearance beautiful. When designing, the single-sided fireproof partition wall in Example 1 is used as raw material to make the fireproof end wall. When installing the vehicle, the fire-affected side of the fireproof end wall is installed in the passenger compartment.
[0026] The single-sided fireproof end wall partition includes an internal frame 6, a ceramic fiberboard layer 2 is arranged between the internal frame 6 and the stainless steel skin layer 1 and the aluminum skin 5, and the remaining part between the internal frame 6 and the stainless steel skin layer 1 and the aluminum skin 5 is filled with aluminum honeycomb 4 and sound insulation felt 3.
[0027] like Figure 2 As shown, in this embodiment, there are gaps between the partition 1 7 and the door 9, and between the partition 1 7 and the partition 2 8. Therefore, a fireproof rubber strip 13 is provided at the connection, which can expand after being heated to prevent the flame from escaping.
[0028] It should also be noted that, in this embodiment, the ceramic fiber board layer 2 is preferably used as the fireproof or soundproof material, and other materials with corresponding functions may also be selected.
[0029] In the preferred implementation of this embodiment, the stainless steel skin layer 1 is 2 mm 304 stainless steel, and the aluminum skin 5 is 1 mm 5052-H32. The main structure of the partition wall is welded by 2.5 mm thick 6063-T5 aluminum profiles. The ceramic fiber board layer 2 is preferably designed to be 13 mm, and the ceramic fiber board layer 2 between the stainless steel skin layer 1, the aluminum skin 5 and the internal frame 6 is preferably designed to be 2 mm. The sound insulation felt layer 3 is preferably designed to be 3 mm.
[0030] It should be noted that blind rivets are preferably used to connect the stainless steel skin layer 1 , the aluminum skin 5 and the internal frame 6 .
[0031] The single-sided fireproof end wall of the rail vehicle of the utility model has a single-sided fireproof function, which is as follows:
[0032] When the passenger compartment side is on fire: the stainless steel skin layer 1 can ensure the structural integrity of the product and prevent the partition from burning through within a certain period of time. The ceramic fiberboard 2 has good thermal insulation performance and reduces the heat conduction efficiency. The internal frame 6 can ensure the strength of the partition. The single-sided fireproof end wall of the rail vehicle of the utility model can achieve single-sided fire protection for at least 15 minutes, meet the requirements of thermal insulation and integrity, and improve the safety of the rail vehicle.
Claims
1. A single-sided fireproof end wall, characterized in that: The invention comprises a single-sided fireproof end wall partition and a fireproof structure, wherein the fireproof structure comprises a stainless steel skin layer (1) and a ceramic fiber board layer (2) connected in sequence; the single-sided fireproof end wall partition comprises a partition 1 (7), a partition 2 (8) and a door (9), wherein the partition 1 (7) and the door (9) are connected by a hinge, and the partition 1 (7) and the partition 2 (8) are connected by a hexagon socket head screw (10); the single-sided fireproof end wall partition comprises an internal frame (6), wherein a ceramic fiber board layer (2) is arranged between the internal frame (6) and the stainless steel skin layer (1) and the aluminum skin (5), and the empty part between the internal frame (6) and the stainless steel skin layer (1) and the aluminum skin (5) is filled with an aluminum honeycomb (4) and a sound insulation felt (3); and fireproof rubber strips (13) are arranged at the connection between the partition 1 (7) and the partition 2 (8), and between the partition 1 (7) and the door (9).
2. The single-sided fireproof end wall according to claim 1, characterized in that: The hexagon socket head screw (10) is provided with a cover cap (12) on the outside.
3. The single-sided fireproof end wall according to claim 1, characterized in that: The door (9) is provided with fireproof glass (11).
4. The single-sided fireproof end wall according to claim 3, characterized in that: The door (9) and the fireproof glass (11) are connected via hexagon socket head screws (10).