Fire safety ventilation pipeline
By adopting the design of the outer frame and the inner frame in the fire safety ventilation duct and filling the two sets of frames with hard foam, the problem of thin pipe wall of the existing fire safety ventilation device is solved, and higher support and sound insulation are achieved to ensure ventilation effect and safety.
Patent Information
- Application Number
- CN202520523213.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2035-03-25
AI Technical Summary
The existing fire safety ventilation devices have relatively thin pipe wall structures, which are prone to rupture and deformation under external impact or high temperature, affecting the ventilation effect.
A fire safety ventilation duct was designed, and its main body consists of an outer frame body and an inner frame body. The partition groove is designed with a partition groove, and hard foam is filled in the partition groove to improve support and sound insulation effect.
Through the design of partition grooves and foam filling, the overall weight of the pipe is reduced, which is easy to lift and use, and prevents the inner frame from deforming under high temperature and external impact, improving ventilation effect and safety.
Smart Images

Figure CN222798462U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ventilation ducts, in particular to a fire safety ventilation duct. Background Art
[0002] Ventilation is to use mechanical or natural methods to deliver sufficient fresh air into the indoor space, and at the same time discharge the dirty air that does not meet the hygienic requirements of the room, so that the indoor air meets the hygienic requirements and the needs of the production process;
[0003] The pipe wall structure of the existing fire safety ventilation device is relatively thin. Once it is hit by external force or high temperature in the event of a dangerous situation, the pipe will be broken and deformed, thereby affecting the ventilation effect of the pipe. Utility Model Content
[0004] The purpose of the utility model is to provide a fire safety ventilation duct. The duct main body is composed of an outer frame and an inner frame. A partition groove design is adopted between the two sets of frames, which can reduce the overall weight of the duct and facilitate lifting and use. There is hard filling foam inside the partition groove. The supporting capacity of the duct main body can be improved by filling the foam, which can solve the problems in the prior art.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A fire safety ventilation duct comprises a duct body, both ends of which are provided with sealing disc frames, which are welded to the duct body, and anti-collision frames are provided between the sealing disc frames, wherein the anti-collision frames are welded to the sealing disc frames, and the anti-collision frames are fitted to the duct body, and a sealing rubber frame is provided on the outer surface of the sealing disc frames, and a lifting truss is provided at the bottom of the duct body, and the lifting truss is connected to the anti-collision frame by bolts.
[0007] Furthermore, both ends of the lifting truss are provided with a suspension rod, and the suspension rod is connected to the lifting truss by bolts, wherein one end of the suspension rod is provided with an integrally formed screw pin.
[0008] Furthermore, a plurality of locking bolts are arranged between the pipeline bodies, and the locking bolts are connected to the pipeline bodies through a sealing disc frame.
[0009] Furthermore, the pipeline body includes an outer frame and an inner frame, and the outer frame and the inner frame are arranged as an integrally formed structure, wherein a smoke channel is arranged inside the inner frame.
[0010] Furthermore, a partition groove is provided between the outer frame and the inner frame, and filling foam is provided inside the partition groove.
[0011] Furthermore, the sealing rubber frame includes an inner ring seal and a fitting edge, wherein the fitting edge is fitted with the sealing disc frame, and the inner ring seal is fitted with the inner frame body.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] The duct body of the utility model is a segmented ventilation duct structure, and each duct body is composed of an outer frame and an inner frame. A partition groove design is adopted between the two sets of frames, which can reduce the overall weight of the duct and facilitate lifting and use. There is hard filling foam inside the partition groove. The filling foam can enhance the support of the duct body, and the inner frame will not be deformed under the influence of high temperature and external force impact. At the same time, the filling foam can also have a good sound insulation effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is the overall front view of the utility model;
[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the pipeline main body of the utility model;
[0016] Figure 3 This is a schematic diagram of the exploded structure of the pipeline main body of the utility model.
[0017] In the figure: 1. Pipe body; 2. Sealing plate frame; 3. Lifting truss; 4. Locking bolt; 101. Smoke channel; 102. Filling foam; 103. Sealing rubber frame; 104. Outer frame; 105. Inner frame; 106. Partition groove; 1031. Inner ring seal; 1032. Fitting page edge; 201. Anti-collision frame; 301. Hanging rod; 3011. Screw pin. DETAILED DESCRIPTION
[0018] 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.
[0019] In order to solve the problem that the pipe wall structure of the existing fire safety ventilation device is relatively thin, once it is hit by external force or high temperature in a dangerous situation, it will cause the pipe to rupture and deform, thereby affecting the ventilation effect of the pipe; please refer to Figure 1-3 , the utility model provides the following solutions:
[0020] A fire safety ventilation duct comprises a duct body 1, both ends of the duct body 1 are provided with sealing disc frames 2, the sealing disc frames 2 are welded to the duct body 1, an anti-collision frame 201 is provided between the sealing disc frames 2, wherein the anti-collision frame 201 is welded to the sealing disc frame 2, the anti-collision frame 201 is fitted with the duct body 1, and the anti-collision frame 201 covers the circumference of the duct body 1 to play a certain protective role, a sealing rubber frame 103 is provided on the outer surface of the sealing disc frame 2, a hoisting truss 3 is provided at the bottom of the duct body 1, the hoisting truss 3 is connected to the anti-collision frame 201 by bolts, and both ends of the hoisting truss 3 are provided with hanging rods 301, and the hanging rod 301 is connected to the hoisting truss 3 by bolts, wherein one end of the hanging rod 301 is provided with an integrally formed screw pin 3011, and the hoisting operation of the duct can be realized by the combined use of the hanging truss 3 and the hanging rod 301;
[0021] The sealing frame 103 is located between two adjacent sets of pipe bodies 1. When the pipe bodies 1 are combined, the sealing frame 103 can be used to enhance the sealing of the pipe joints to prevent smoke from overflowing from the joint gaps of the pipes.
[0022] A plurality of locking bolts 4 are arranged between the pipe body 1, and the locking bolts 4 are connected to the pipe body 1 through the sealing disc frame 2. The pipe body 1 includes an outer frame 104 and an inner frame 105, and the outer frame 104 and the inner frame 105 are arranged as an integrally formed structure, wherein a smoke channel 101 is arranged inside the inner frame 105, and a partition groove 106 is arranged between the outer frame 104 and the inner frame 105, and a filling foam 102 is arranged inside the partition groove 106, and the sealing rubber frame 103 includes an inner ring seal 1031 and a fitting edge 1032, wherein the fitting edge 1032 and the sealing disc The frame 2 is fitted, the inner ring seal 1031 is fitted with the inner frame 105, the duct body 1 is a segmented ventilation duct structure, and each duct body 1 is composed of an outer frame 104 and an inner frame 105, and a partition groove 106 is designed between the two groups of frames. This can reduce the overall weight of the duct and facilitate lifting and use. There is a hard filling foam 102 inside the partition groove 106. The filling foam 102 can enhance the support of the duct body 1, and will not cause the inner frame 105 to deform under the influence of high temperature and external force impact. At the same time, the filling foam 102 can also have a good sound insulation effect.
[0023] Working principle: the pipe body 1 is a segmented ventilation duct structure, and the sealing frame 103 is located between two adjacent groups of pipe bodies 1. When the pipe bodies 1 are combined, the sealing frame 103 can be used to enhance the sealing of the pipe joints to prevent smoke from overflowing from the joints of the pipes. Each pipe body 1 is composed of an outer frame 104 and an inner frame 105. A partition groove 106 is designed between the two groups of frames. This can reduce the overall weight of the pipe and facilitate lifting and use. There is hard filling foam 102 inside the partition groove 106. The supporting property of the pipe body 1 can be improved by filling the foam 102.
[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including 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 device.
[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. Fire safety ventilation duct, characterized in that, The invention comprises a pipeline body (1), wherein both ends of the pipeline body (1) are provided with sealing disc frames (2), the sealing disc frames (2) are welded to the pipeline body (1), and an anti-collision frame (201) is provided between the sealing disc frames (2), wherein the anti-collision frame (201) is welded to the sealing disc frames (2), the anti-collision frame (201) is fitted with the pipeline body (1), a sealing rubber frame (103) is provided on the outer surface of the sealing disc frames (2), and a lifting truss (3) is provided at the bottom of the pipeline body (1), and the lifting truss (3) is connected to the anti-collision frame (201) by bolts.
2. The fire safety ventilation duct according to claim 1, characterized in that: Both ends of the hanging truss (3) are provided with hanging rods (301), and the hanging rod (301) is connected to the hanging truss (3) by means of bolts, wherein one end of the hanging rod (301) is provided with an integrally formed screw pin (3011).
3. The fire safety ventilation duct according to claim 1, characterized in that: A plurality of locking bolts (4) are arranged between the pipeline bodies (1), and the locking bolts (4) are connected to the pipeline bodies (1) via the sealing disc frame (2).
4. The fire safety ventilation duct according to claim 1, characterized in that: The pipe body (1) comprises an outer frame (104) and an inner frame (105), wherein the outer frame (104) and the inner frame (105) are arranged as an integrally formed structure, wherein a smoke channel (101) is arranged inside the inner frame (105).
5. The fire safety ventilation duct according to claim 4, characterized in that: A partition groove (106) is provided between the outer frame (104) and the inner frame (105), and a filling foam (102) is provided inside the partition groove (106).
6. The fire safety ventilation duct according to claim 4, characterized in that: The sealing rubber frame (103) comprises an inner ring seal (1031) and a fitting edge (1032), wherein the fitting edge (1032) fits with the sealing disc frame (2), and the inner ring seal (1031) fits with the inner frame body (105).