CN214618519U - Fire-resistant heat-insulation cavity fluid foaming air pipe - Google Patents
Fire-resistant heat-insulation cavity fluid foaming air pipe Download PDFInfo
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- CN214618519U CN214618519U CN202120584842.1U CN202120584842U CN214618519U CN 214618519 U CN214618519 U CN 214618519U CN 202120584842 U CN202120584842 U CN 202120584842U CN 214618519 U CN214618519 U CN 214618519U
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Abstract
The utility model discloses a fire-resistant heat-insulation cavity fluid foaming air pipe, which comprises a lining pipe, a keel bracket, a fireproof sleeve and a connecting flange; the vertical section of the lining pipe is rectangular; the lining pipe comprises a first plate and a second plate which are oppositely arranged, and a third plate and a fourth plate which are oppositely arranged; the first plate, the second plate, the third plate and the fourth plate are connected in sequence; the number of the keel brackets is 2; the 2 keel supports are respectively arranged at two ends of the lining pipe, and the 2 keel supports are oppositely arranged; the utility model provides a fire-resistant thermal-insulated cavity foaming tuber pipe need not to carry out the installation of fire prevention sleeve pipe at the job site, greatly reduced the installation degree of difficulty to increased installation effectiveness and thermal-insulated heat retaining sealing performance, no advantages such as cold bridge contact surface.
Description
Technical Field
The utility model relates to an inside lining tuber pipe technical field, in particular to fire-resistant thermal-insulated cavity fluid foaming tuber pipe.
Background
The air duct is a duct system for conveying and distributing air. The air pipe can be divided into a circular air pipe, a rectangular air pipe, an oblate air pipe and the like, wherein the circular air pipe has the smallest resistance but the largest height and size, and is complex to manufacture. So the application is mainly based on a rectangular air pipe. The air pipe can be divided into a metal air pipe, a composite air pipe and a polymer air pipe according to the material. The metal wind pipe generally adopts galvanized steel sheets as a base material, the galvanized steel sheets are welded steel sheets with hot-dip coating or electro-galvanizing layers on the surfaces, and the galvanized steel sheets are generally widely used in the industries of buildings, household appliances, vehicles and ships, container manufacturing, mechanical and electrical industries and the like.
However, galvanized steel sheet tuber pipe on the existing market can not effectual fire prevention, in order to reach the purpose of fire prevention, need wrap the fire sleeve outside the tuber pipe at the job site, greatly increased the installation degree of difficulty, reduced installation effectiveness.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fire-resistant thermal-insulated cavity fluid foaming tuber pipe, aims at solving current galvanized steel tuber pipe and can not effectual fire prevention, in order to reach the thermal-insulated heat retaining purpose of fire prevention, need wrap fire sleeve outside the tuber pipe at the job site, greatly increased the problem of the installation degree of difficulty.
In order to achieve the above object, the present invention provides a technical solution:
a fire-resistant heat-insulating cavity fluid foaming air pipe comprises an inner lining pipe, a keel bracket, a fireproof sleeve, an inorganic fluid foaming heat-insulating layer and a connecting flange;
the vertical section of the lining pipe is rectangular; the lining pipe comprises a first plate and a second plate which are oppositely arranged, and a third plate and a fourth plate which are oppositely arranged; the first plate, the second plate, the third plate and the fourth plate are connected in sequence;
the number of the keel brackets is 2; the 2 keel supports are respectively arranged at two ends of the lining pipe, and the 2 keel supports are oppositely arranged; the keel bracket is in a shape of Chinese character 'hui'; the keel bracket comprises an inner annular wall and an outer annular wall which are oppositely arranged; the inner ring wall is fixedly attached and contacted with the outer wall of the lining pipe;
the fireproof sleeve is wrapped outside the lining pipe, so that a gap space is formed between the lining pipe and the fireproof sleeve; the fireproof sleeve is fixedly attached and contacted with the outer ring wall; the fireproof sleeve is provided with an injection port; the injection port is used for injecting an inorganic fluid foaming heat-insulating agent into the gap space to form the inorganic fluid foaming heat-insulating layer;
the number of the connecting flanges is 2; and 2 connecting flanges are respectively arranged at the pipe orifices at the two ends of the lining pipe so as to be used for connecting the adjacent fire-resistant heat-insulation cavity foaming air pipes.
Preferably, the keel support includes a support wall connected between the inner and outer annular walls; the support wall is perpendicular to both the inner annular wall and the outer annular wall.
Preferably, the vertical section of the keel bracket is U-shaped, and the opening faces the middle part of the lining pipe.
Preferably, the keel bracket is arranged around the lining pipe; the inner annular wall comprises a first wall, a second wall, a third wall and a fourth wall which are connected in sequence; the first wall and the first plate are fixedly attached and contacted; the second wall and the second plate are fixedly attached and contacted; the third wall and the third plate are fixedly attached and contacted; the fourth wall and the fourth plate are in fixed, abutting contact.
Preferably, the fireproof sleeve comprises a fifth plate, a sixth plate, a seventh plate and an eighth plate which are connected in sequence; the outer ring wall comprises a fifth wall, a sixth wall, a seventh wall and an eighth wall which are connected in sequence; the fifth plate is fixedly attached to and in contact with the fifth wall; the sixth plate is fixedly attached to and in contact with the sixth wall; the seventh plate is fixedly attached to and in contact with the seventh wall; the eighth plate is in fixed abutting contact with the eighth wall.
Preferably, the fire-proof sealing cover tube is further included; the fireproof sealing cover pipe is used for sealing and covering 2 connecting flanges which are connected with each other; the fireproof sealing cover pipe comprises a connecting body, a first supporting body and a second supporting body; two ends of the connecting body are respectively connected to the first supporting body and the second supporting body;
the first supporting body is in fit contact with the outer surface of the fireproof sleeve; the second supporting body is in fit contact with the outer surface of the adjacent fireproof sleeve.
Preferably, the device also comprises an injection port; a round opening is formed at the material injection opening; the round opening is provided with a flexible sealing ring; the circular opening is arranged to be communicated with a hose of the fluid foaming material injecting machine in a sealing mode, so that the material cannot leak from the material injecting opening.
Preferably, the outer ring wall and the fireproof sleeve are fixed through screws.
Preferably, the inner annular wall and the outer wall of the lining pipe are welded and fixed.
Preferably, the lining pipe is a metal lining pipe.
Compared with the prior art, the utility model discloses possess following beneficial effect at least:
the utility model provides a fire-resistant thermal-insulated cavity foaming tuber pipe, through wrapping up fire-proof sleeve pipe in advance and installing in the outside of interior bushing pipe, at the job site, can directly carry out the butt joint installation with this fire-resistant thermal-insulated cavity foaming tuber pipe through flange, then fix the fire-resistant thermal-insulated cavity foaming tuber pipe after the butt joint installation through hanging, inject inorganic fluid foaming heat preservation agent into the clearance space through the sprue at last, make inorganic fluid foaming heat preservation agent fill in the clearance space, so that produce vacuum insulation in the clearance space and realize the heat preservation effect; from this, the utility model provides a fire-resistant thermal-insulated cavity foaming tuber pipe need not to insulate against heat and keep warm and the installation of fire prevention sleeve pipe at the job site, greatly reduced the installation degree of difficulty to installation efficiency has been increased.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of a fire-resistant heat-insulating cavity fluid foaming air duct provided by the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged sectional view of the structure shown at B in FIG. 2;
fig. 4 is a schematic vertical cross-sectional view along the length direction of the inner liner tube according to an embodiment of the present invention.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
The utility model provides a fire-resistant thermal-insulated cavity fluid foaming tuber pipe.
Referring to fig. 1-4, in an embodiment of the present invention, the fire-resistant thermal-insulation cavity fluid foaming air duct includes a lining tube 110, a keel support 160, a fire-proof sleeve 130, an inorganic fluid foaming thermal insulation layer 430, and a connecting flange 120.
The vertical cross-section of the liner tube 110 is rectangular; the liner tube 110 includes first and second oppositely disposed plates 170, 180, and third and fourth oppositely disposed plates 190, 210; the first plate 170, the second plate 180, the third plate 190, and the fourth plate 210 are sequentially connected, and the inner liner tube 110 is integrally formed.
The number of keel brackets 160 is 2; the 2 keel brackets 160 are respectively arranged at two ends of the lining pipe 110, and the 2 keel brackets 160 are oppositely arranged; keel bracket 160 is in a shape of a Chinese character 'hui'; keel support 160 includes inner 220 and outer 280 annular walls in opposing parallel arrangement; the inner annular wall 220 is in fixed abutting contact with the outer wall of the liner tube 110.
The fire sleeve 130 is wrapped outside the lining pipe 110 such that a gap space (not numbered) is formed between the lining pipe 110 and the fire sleeve 130; the fireproof sleeve 130 is fixedly attached and contacted with the outer ring wall 280; the fireproof sleeve 130 is provided with a feeding port (not numbered); the injection port is used for injecting an inorganic fluid foaming heat-insulating agent into the gap space to form the inorganic fluid foaming heat-insulating layer 430; the inorganic fluid foaming heat-preserving agent is preferably inorganic foaming glue (polyurethane prepolymer) and has multiple effects of joint filling, bonding, sealing, heat insulation, sound absorption and the like.
The number of the connecting flanges 120 is 2, and a plurality of flange holes (not numbered) are formed in the connecting flanges 120; the 2 connecting flanges 120 are respectively arranged at the pipe orifices at the two ends of the lining pipe 110 (a welding connection mode can be adopted), specifically, the connecting flanges 120 are fixedly connected to the inner wall of the lining pipe 110; the connecting flange 120 is used for connecting adjacent fire-resistant heat-insulating cavity foaming air pipes.
The utility model provides a fire-resistant thermal-insulated cavity foaming tuber pipe, through wrapping up fire sleeve 130 in advance and installing in the outside of interior bushing pipe 110, at the job site, can directly with this fire-resistant thermal-insulated cavity foaming tuber pipe through flange 120 butt joint installation, then through hanging the piece with the fire-resistant thermal-insulated cavity foaming tuber pipe after the butt joint installation fixed, at last with inorganic fluid foaming heat preservation agent through the sprue injection into the clearance space for inorganic fluid foaming heat preservation agent is filled in the clearance space, in order to form inorganic fluid foaming heat preservation 430; the heat preservation effect is realized; from this, the utility model provides a fire-resistant thermal-insulated cavity foaming tuber pipe need not to carry out the installation of fire sleeve 130 at the job site, greatly reduced the installation degree of difficulty to installation efficiency has been increased.
In the prior art, the heat preservation capability is generally realized by sleeving a heat preservation plate on the outer part of the lining pipe 110; and the utility model discloses in keep warm through the waterproof of filling inorganic fluid foaming heat preservation agent, do not need the glue to paste thermal-insulated heat preservation cotton, the more green of no formaldehyde, and traditional insulation board is heat preservation mineral wool board, and heat preservation mineral wool board pollutes seriously, so the utility model provides a fire-resistant thermal-insulated cavity foaming tuber pipe is environmental protection more.
In addition, as shown in figures 2-4, keel support 160 includes a support wall 270 connected between inner annular wall 220 and outer annular wall 280; the support wall 270 is perpendicular to both the inner annular wall 220 and the outer annular wall 280. The keel support 160 is U-shaped in vertical cross-section and opens toward the middle of the liner tube 110. This arrangement perfects the structure and function of keel support 160.
Meanwhile, the keel bracket 160 is disposed around the liner tube 110; the inner annular wall 220 includes a first wall 230, a second wall 240, a third wall 250, and a fourth wall 260 connected in series; the first wall 230 is in fixed abutting contact with the first plate 170; the second wall 240 is in fixed abutting contact with the second plate 180; the third wall 250 and the third plate 190 are in fixed abutting contact; the fourth wall 260 is in fixed abutting contact with the fourth plate 210. The first wall 230 is parallel to the third wall 250 and the second wall 240 is parallel to the fourth wall 260.
In addition, the fire sleeve 130 includes a fifth plate 340, a sixth plate 350, a seventh plate 360, and an eighth plate 370, which are connected in sequence; the outer annular wall 280 includes a fifth wall 290, a sixth wall 310, a seventh wall 320, and an eighth wall 330 connected in sequence; fifth plate 340 is in fixed abutting contact with fifth wall 290; sixth plate 350 is in fixed abutting contact with sixth wall 310; seventh plate 360 is in fixed abutting contact with seventh wall 320; eighth plate 370 is in fixed abutting contact with eighth wall 330. Fifth plate 340 is parallel to seventh plate 360, sixth plate 350 is parallel to eighth plate 370; the fifth wall 290 is parallel to the seventh wall 320 and the sixth wall 310 is parallel to the eighth wall 330.
Through the technical scheme, the connection between the keel bracket 160 and the fireproof sleeve and between the keel bracket 160 and the lining pipe 110 is more stable.
Meanwhile, as shown in fig. 4, the fire-resistant heat-insulating cavity foaming air duct further comprises a sealing cover tube 380; the gland bush 380 is used for gland bush to 2 connecting flanges 120 connected with each other; the boot seal tube 380 includes a connecting body 390, a first support body 410, and a second support body 420; both ends of the connection body 390 are connected to the first support 410 and the second support 420, respectively.
The first support body 410 is in contact with the outer surface of the fireproof sleeve 130 in a fitting manner, and can be connected by rivets; the second support body 420 is in close contact with the outer surface of the adjacent fire sleeve 130, and may be connected by a rivet.
Through the technical scheme, the connection sealing performance between the adjacent fire-resistant heat-insulation cavity foaming air pipes is better.
In addition, the fire-resistant heat-insulation cavity foaming air pipe also comprises a cavity air discharge port 150, and the cavity air discharge port is used for timely discharging air in the gap space when inorganic fluid foaming heat-preservation agent is injected; a circular opening is formed at the injection port 140; the round opening is provided with a flexible sealing ring; the circular opening is arranged to be communicated with a hose of the fluid foaming material injecting machine in a sealing way, so that the material cannot leak from the material injecting opening 140; the fire-resistant heat-insulation cavity foaming air pipe also comprises a knob cover capable of covering the injection port 140.
Meanwhile, the outer ring wall 280 and the fireproof sleeve 130 are fixed by screws. The inner annular wall 220 and the outer wall of the liner tube 110 are welded together. The liner pipe 110 is a metal liner pipe 110, specifically, a galvanized steel liner pipe 110, and is excellent in corrosion resistance.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. A fire-resistant heat-insulating cavity fluid foaming air pipe is characterized by comprising an inner lining pipe, a keel bracket, a fire-proof sleeve, an inorganic fluid foaming heat-insulating layer and a connecting flange;
the vertical section of the lining pipe is rectangular; the lining pipe comprises a first plate and a second plate which are oppositely arranged, and a third plate and a fourth plate which are oppositely arranged; the first plate, the second plate, the third plate and the fourth plate are connected in sequence;
the number of the keel brackets is 2; the 2 keel supports are respectively arranged at two ends of the lining pipe, and the 2 keel supports are oppositely arranged; the keel bracket is in a shape of Chinese character 'hui'; the keel bracket comprises an inner annular wall and an outer annular wall which are oppositely arranged; the inner ring wall is fixedly attached and contacted with the outer wall of the lining pipe;
the fireproof sleeve is wrapped outside the lining pipe, so that a gap space is formed between the lining pipe and the fireproof sleeve; the fireproof sleeve is fixedly attached and contacted with the outer ring wall; the fireproof sleeve is provided with an injection port; the injection port is used for injecting an inorganic fluid foaming heat-insulating agent into the gap space to form the inorganic fluid foaming heat-insulating layer;
the number of the connecting flanges is 2; and 2 connecting flanges are respectively arranged at the pipe orifices at the two ends of the lining pipe so as to be used for connecting the adjacent fire-resistant heat-insulation cavity foaming air pipes.
2. The fire resistant insulated cavity fluid foamed air duct of claim 1, wherein said keel support comprises a support wall connected between said inner annular wall and said outer annular wall; the support wall is perpendicular to both the inner annular wall and the outer annular wall.
3. The fire-resistant insulating cavity fluid foaming air duct of claim 2, wherein the vertical section of the keel support is U-shaped and opens towards the middle of the lining tube.
4. The fire-resistant insulating cavity fluid foaming air duct of claim 1, wherein the keel support is disposed around the inner liner; the inner annular wall comprises a first wall, a second wall, a third wall and a fourth wall which are connected in sequence; the first wall and the first plate are fixedly attached and contacted; the second wall and the second plate are fixedly attached and contacted; the third wall and the third plate are fixedly attached and contacted; the fourth wall and the fourth plate are in fixed, abutting contact.
5. The fire-resistant insulating cavity fluid foaming air duct of claim 1, wherein the fire-resistant sleeve comprises a fifth plate, a sixth plate, a seventh plate and an eighth plate connected in sequence; the outer ring wall comprises a fifth wall, a sixth wall, a seventh wall and an eighth wall which are connected in sequence; the fifth plate is fixedly attached to and in contact with the fifth wall; the sixth plate is fixedly attached to and in contact with the sixth wall; the seventh plate is fixedly attached to and in contact with the seventh wall; the eighth plate is in fixed abutting contact with the eighth wall.
6. The fire-resistant insulating cavity fluid foaming duct of claim 5, further comprising a fire-resistant boot seal; the fireproof sealing cover pipe is used for sealing and covering 2 connecting flanges which are connected with each other; the fireproof sealing cover pipe comprises a connecting body, a first supporting body and a second supporting body; two ends of the connecting body are respectively connected to the first supporting body and the second supporting body;
the first supporting body is in fit contact with the outer surface of the fireproof sleeve; the second supporting body is in fit contact with the outer surface of the adjacent fireproof sleeve.
7. The fire-resistant insulating cavity fluid foaming air duct of claim 6, further comprising a cavity air vent; a round opening is formed at the material injection opening; the round opening is provided with a flexible sealing ring; the circular opening is arranged to be communicated with a hose of the fluid foaming material injecting machine in a sealing mode, so that the material cannot leak from the material injecting opening.
8. The fire-resistant insulating cavity fluid foaming air duct of claim 1, wherein the outer annular wall and the fire-proof sleeve are fixed by screws.
9. The fire-resistant insulating cavity fluid foaming air duct of claim 1, wherein the inner annular wall and the outer wall of the inner lining tube are welded and fixed.
10. The fire-resistant insulating cavity fluid foaming air duct of claim 1, wherein the inner lining tube is a metal inner lining tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120584842.1U CN214618519U (en) | 2021-03-22 | 2021-03-22 | Fire-resistant heat-insulation cavity fluid foaming air pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120584842.1U CN214618519U (en) | 2021-03-22 | 2021-03-22 | Fire-resistant heat-insulation cavity fluid foaming air pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214618519U true CN214618519U (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120584842.1U Active CN214618519U (en) | 2021-03-22 | 2021-03-22 | Fire-resistant heat-insulation cavity fluid foaming air pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214618519U (en) |
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2021
- 2021-03-22 CN CN202120584842.1U patent/CN214618519U/en active Active
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