CN220228220U - A fire prevention tuber pipe connection structure for fire prevention valve is connected - Google Patents
A fire prevention tuber pipe connection structure for fire prevention valve is connected Download PDFInfo
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- CN220228220U CN220228220U CN202321990825.3U CN202321990825U CN220228220U CN 220228220 U CN220228220 U CN 220228220U CN 202321990825 U CN202321990825 U CN 202321990825U CN 220228220 U CN220228220 U CN 220228220U
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- tuber pipe
- connection structure
- prevention valve
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- 230000002265 prevention Effects 0.000 title claims abstract description 58
- 210000001503 joint Anatomy 0.000 claims abstract description 6
- 238000005452 bending Methods 0.000 claims description 34
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The application discloses a fire prevention tuber pipe connection structure for fire prevention valve is connected, it is including setting up the inside lining pipe in fire prevention tuber pipe mouth of pipe department, the connecting end of lining pipe stretches out outside the fire prevention tuber pipe, the pipe wall of inside lining pipe connecting end is outside the lining pipe outside to buckle and form outer edge portion, outer edge portion runs through has a plurality of through-holes, when fire prevention tuber pipe and fire prevention valve butt joint, the through-hole is just right with the connecting hole of fire prevention valve flange. This application has the effect that improves the connection suitability between fire prevention valve and the fire prevention tuber pipe.
Description
Technical Field
The application relates to the field of fireproof air pipes, in particular to a fireproof air pipe connecting structure for fireproof valve connection.
Background
The fireproof air pipe is widely applied to buildings, houses and subways, and the fireproof air pipe also meets the fireproof requirement under the condition of realizing ventilation. In general, fire valves are installed in air pipes penetrating through fire walls, structural deformation joints or central air-conditioning air supply and return pipelines to play a role in fire control.
At present, the fireproof air pipe and the fireproof valve are connected through a rectangular flange by bolts, in practical application, the cross section size of the fireproof air pipe is designed according to the site, the fireproof valve belongs to a standard component, the situation that the fireproof air pipe and the fireproof valve are not matched in size often exists, and two valve modes exist generally, one mode is to increase the pipe wall thickness or change the rectangular flange structure so as to adapt to the fireproof valve size, and the connecting hole of the fireproof air pipe flange is ensured to be opposite to the connecting hole of the fireproof valve flange; one is the fire damper that the customization size matches, but the cost of manufacture is big, therefore, fire prevention tuber pipe and fire damper suitability are relatively poor problem, still have room for improvement.
Disclosure of Invention
In order to improve the connection suitability between fire damper and the fire prevention tuber pipe, this application provides a fire prevention tuber pipe connection structure for fire damper connects.
The application provides a fire prevention tuber pipe connection structure for fire prevention valve connection adopts following technical scheme:
the utility model provides a fire prevention tuber pipe connection structure for fire prevention valve is connected, includes the inside lining pipe that sets up in fire prevention tuber pipe mouth of pipe department, outside the connecting end of lining pipe stretches out the fire prevention tuber pipe, the pipe wall of inside lining pipe connecting end is buckled and is formed outer edge portion towards the inside lining pipe outside, outer edge portion runs through and has a plurality of through-holes, when fire prevention tuber pipe and fire prevention valve butt joint, the through-hole is just right with the connecting hole of fire prevention valve flange.
Through adopting above-mentioned technical scheme, can design the width of liner tube towards outside buckling according to fire prevention valve cross-section size to make the peripheral size of outer edge portion equal with the peripheral size of fire prevention valve flange, thereby can guarantee when fire prevention tuber pipe and fire prevention valve butt joint, the through-hole of liner tube is just right with the connecting hole of fire prevention valve flange, is favorable to improving the connection suitability between fire prevention valve and the fire prevention tuber pipe, simultaneously, the structural strength of fire prevention tuber pipe mouth of pipe department can be improved to the liner tube in, and then guarantee the connection steadiness of fire prevention valve.
Preferably, the lining pipe comprises a plurality of plate units, and the plate units are arranged on the inner wall of the fireproof air pipe in a surrounding mode.
Through adopting above-mentioned technical scheme, divide into a plurality of board units with the inside lining pipe, be convenient for cut the preparation according to the size of fire prevention tuber pipe.
Preferably, the outer edge portion is formed by bending a plate unit.
Preferably, the fireproof air duct connecting structure further comprises four positioning angle steels, and the four positioning angle steels are respectively and vertically arranged at four corner positions of the fireproof air duct opening; the outer edge part formed by bending the plate unit is hooked on the outer side of the end part of the positioning angle steel.
By adopting the technical scheme, the positioning angle steel plays a role in positioning the plate unit in place, and is beneficial to improving the welding quality of the plate unit.
Preferably, the outer edge portion includes a first bending section, the first bending section is perpendicular to the plate unit, and the through hole is located in the first bending section.
Preferably, the outer edge part further comprises a second bending section, the second bending section is perpendicular to the first bending section, and the positioning angle steel is clamped between the second bending section and the plate unit.
By adopting the technical scheme, the stability of the welding plate unit and the fireproof air pipe is improved, and the welding quality is improved.
Preferably, the plate unit is welded and fixed with the inner wall of the fireproof air pipe.
Preferably, the outer edge part is welded and fixed with the positioning angle steel.
By adopting the technical scheme, the stability of the lining pipe and the fireproof air pipe is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the four plate units can be enclosed into the lining pipe, and the width of the lining pipe bent outwards is designed according to the section size of the fireproof valve, so that the peripheral size of the outer edge part is equal to that of the fireproof valve flange, and therefore, when the fireproof air pipe is in butt joint with the fireproof valve, the through hole of the lining pipe is opposite to the connecting hole of the fireproof valve flange, and the connection suitability between the fireproof valve and the fireproof air pipe is improved;
2. the four corner positions of the pipe orifice of the fireproof air pipe are respectively provided with a positioning angle steel in a vertical mode, the outer edge part formed by bending the plate units is hooked on the outer side of the end part of the positioning angle steel, the positioning angle steel plays a role in positioning the plate units in place, and the installation efficiency and quality of the lining pipe are improved.
Drawings
Fig. 1 is a schematic connection diagram of a fire-proof air duct connection structure for fire-proof valve connection according to an embodiment of the present application.
Fig. 2 is a schematic connection diagram of a plate unit and a fire-proof air duct in a fire-proof air duct connection structure for connecting fire-proof valves according to an embodiment of the present application.
Fig. 3 is an exploded view of a fire-proof air duct connection structure for fire-proof valve connection according to an embodiment of the present application.
Reference numerals illustrate: 1. fireproof air pipes; 2. a fire protection valve; 3. an inner liner tube; 4. positioning angle steel; 5. an outer edge portion; 51. a first bending section; 52. a second bending section; 6. a through hole; 7. a clamping groove.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-3.
The embodiment of the application discloses a fire prevention tuber pipe 1 connection structure for fire prevention valve 2 is connected. Referring to fig. 1 and 2, the fire-proof air duct comprises a lining pipe 3 arranged at the pipe opening of the fire-proof air duct 1. The connecting end of the lining pipe 3 extends out of the fireproof air pipe 1, and the pipe wall of the connecting end of the lining pipe 3 bends towards the outer side of the lining pipe 3 to form an outer edge part 5. The width of the outward bending of the lining pipe 3 is designed according to the section size of the fire damper 2, so that the peripheral size of the outer edge part 5 is equal to the peripheral size of the flange of the fire damper 2, and the connection suitability between the fire damper 2 and the fire-proof air pipe 1 is improved. The outer edge part 5 is penetrated with a plurality of through holes 6, when the fireproof air pipe 1 is butted with the fireproof valve 2, the through holes 6 are opposite to the connecting holes of the flange of the fireproof valve 2 so as to be connected by bolts.
Specifically, the lining pipe 3 comprises four plate units 31, the plate units 31 are cut and manufactured according to the width of the inner wall of the fireproof air pipe 1, the four plate units 31 are arranged on the inner wall of the fireproof air pipe 1 in a surrounding mode to form the lining pipe 3, and the plate units 31 are fixedly welded to the inner wall of the fireproof air pipe 1. The outer edge 5 is formed by bending a plate unit 31.
Wherein the outer rim portion 5 comprises a first bending section 51 and a second bending section 52, the first bending section 51 being perpendicular to the plate unit 31. The through holes 6 are arranged on the first bending section 51 and are distributed at equal intervals along the length direction of the first bending section 51. The second bending section 52 is perpendicular to the first bending section 51, and the clamping groove 7 is formed at the periphery of the pipe orifice of the lining pipe 3 by the second bending section 52, the first bending section 51 and the plate unit 31.
Referring to fig. 2 and 3, the connecting structure of the fireproof air duct 1 further comprises four positioning angle steels 4, and the four positioning angle steels 4 are respectively vertically arranged at four corner positions of the pipe orifice flange of the fireproof air duct 1; the outer edge part 5 formed by bending the plate unit 31 is hooked on the outer side of the end part of the positioning angle steel 4, so that the positioning angle steel 4 is clamped in the clamping groove 7 between the second bending section 52 and the plate unit 31, and the outer edge part 5 is welded and fixed with the positioning angle steel 4. The positioning angle steel 4 plays a role in positioning the plate unit 31 in place, and is beneficial to improving the installation efficiency and quality of the plate unit 31.
The implementation principle of the connection structure of the fireproof air pipe 1 for connecting the fireproof valve 2 in the embodiment of the application is as follows:
the four positioning angle steels 4 are respectively fixed at four corner positions on the flange surface of the pipe orifice of the fireproof air pipe 1 according to the size of the fireproof valve 2, the plate unit 31 is bent, then the clamping groove 7 of the outer edge part 5 and one end, far away from the fireproof air pipe 1, of the positioning angle steel 4 are clamped by the mounting plate unit 31, and finally the welding work of the plate unit 31 and the fireproof air pipe 1 and the welding work of the plate unit 31 and the positioning clamping groove 7 are completed.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. A fire prevention tuber pipe connection structure for fire prevention valve is connected, its characterized in that: including setting up inside lining pipe (3) in fire prevention tuber pipe (1) orificial department, outside the connecting end of inside lining pipe (3) stretches out fire prevention tuber pipe (1), outside the pipe wall of inside lining pipe (3) connecting end is buckled and is formed outer portion of following (5) in lining pipe (3), outer portion of following (5) are run through and are had a plurality of through-holes (6), when fire prevention tuber pipe (1) and fire prevention valve (2) butt joint, through-hole (6) are just right with the connecting hole of fire prevention valve (2) flange.
2. The fire prevention tuber pipe connection structure for fire prevention valve connection of claim 1, wherein: the lining pipe (3) comprises a plurality of plate units (31), and the plate units (31) are arranged on the inner wall of the fireproof air pipe (1) in a surrounding mode.
3. The fire prevention tuber pipe connection structure for fire prevention valve connection of claim 2, wherein: the outer edge part (5) is formed by bending a plate unit (31).
4. A fire prevention tuber pipe connection structure for fire prevention valve connection according to claim 3, wherein: the fireproof air duct connecting structure further comprises four positioning angle steels (4), and the four positioning angle steels (4) are respectively and vertically arranged at four corner positions of the pipe orifice of the fireproof air duct (1); the outer edge part (5) formed by bending the plate unit (31) is hooked on the outer side of the end part of the positioning angle steel (4).
5. The fire prevention tuber pipe connection structure for fire prevention valve connection of claim 4, wherein: the outer edge part (5) comprises a first bending section (51), the first bending section (51) is perpendicular to the plate unit (31), and the through hole (6) is located in the first bending section (51).
6. The fire prevention tuber pipe connection structure for fire prevention valve connection of claim 5, wherein: the outer edge part (5) further comprises a second bending section (52), the second bending section (52) is perpendicular to the first bending section (51), and the positioning angle steel (4) is clamped between the second bending section (52) and the plate unit (31).
7. The fire prevention tuber pipe connection structure for fire prevention valve connection of claim 2, wherein: and the plate unit is welded and fixed with the inner wall of the fireproof air duct.
8. The fire prevention tuber pipe connection structure for fire prevention valve connection of claim 4, wherein: the outer edge part (5) is welded and fixed with the positioning angle steel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321990825.3U CN220228220U (en) | 2023-07-26 | 2023-07-26 | A fire prevention tuber pipe connection structure for fire prevention valve is connected |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321990825.3U CN220228220U (en) | 2023-07-26 | 2023-07-26 | A fire prevention tuber pipe connection structure for fire prevention valve is connected |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220228220U true CN220228220U (en) | 2023-12-22 |
Family
ID=89199087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321990825.3U Active CN220228220U (en) | 2023-07-26 | 2023-07-26 | A fire prevention tuber pipe connection structure for fire prevention valve is connected |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220228220U (en) |
-
2023
- 2023-07-26 CN CN202321990825.3U patent/CN220228220U/en active Active
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