Ventilation pipeline of underground garage
By stamping a flange structure at the edge of the ventilation duct, and combining it with a vertical plate, inner and outer horizontal plates, and flange gaskets, the problems of welding deformation and bolt loosening are solved, achieving a stable and reliable connection and efficient installation.
Patent Information
- Application Number
- CN202422678578.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-04
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-11-04
AI Technical Summary
The existing connection method for ventilation ducts in underground parking garages has welding deformation defects, which affect air tightness and result in low installation efficiency and high cost.
The flange structure is formed by stamping, and the combination design of vertical plate, inner and outer horizontal plate and flange gasket is used. It is fixed by fastening bolts and nuts, and combined with anti-loosening sleeve design to avoid welding deformation and bolt loosening.
It achieves a stable and reliable connection, improves airtightness, avoids welding deformation and bolt loosening, and reduces construction costs and installation efficiency.
Smart Images

Figure CN223511713U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to underground garage ventilation pipeline technical field especially relates to a kind of underground garage ventilation pipeline. BACKGROUND
[0002] The ventilation pipeline in underground garage currently adopts angle steel connection, and the connection mode has the characteristics of good stability, high strength and is not prone to deformation, but also has the disadvantages of high cost, low installation efficiency and high construction cost. Chinese patent CN210892077U discloses an underground garage ventilation pipeline, which is provided with a flange mounting disc to assist the connection of adjacent ventilation pipes. Chinese patent CN114484679A discloses a community underground garage fire-fighting exhaust duct, which is also connected by flanges. The defects of the above prior art are that the exhaust duct generally has a thin wall, and if the flanges are welded, deformation may occur, affecting the air tightness. SUMMARY
[0003] The utility model discloses a kind of underground garage ventilation pipelines to solve at least one technical problem in the background art.
[0004] To achieve the above object, the utility model provides a kind of underground garage ventilation pipeline, comprising: at least two ventilation pipeline bodies, each ventilation pipeline body is connected with another ventilation pipeline body The edge stamping forms a vertical plate, the vertical plate edge stamping forms an outer horizontal plate, the outer horizontal plate edge is bent towards the ventilation pipeline body direction and forms an inner horizontal plate parallel with the outer horizontal plate, corresponding two vertical plates between two ventilation pipeline bodies The flange gasket is provided, and two vertical plates and flange gasket are locked and fixed by fastening bolt, fastening nut.
[0005] According to one aspect of the utility model, a steel gasket is mounted on the side wall of the side of the vertical plate close to the inner horizontal plate.
[0006] Two vertical plates, flange gaskets and two steel gaskets on the side walls of two vertical plates are locked and fixed by fastening bolt, fastening nut.
[0007] According to one aspect of the utility model, an arc-shaped bending part is formed at the junction of the outer horizontal plate and the inner horizontal plate.
[0008] According to one aspect of the utility model, a protruding strip is formed by stamping outwardly at the vertical plate of the ventilation pipeline body.
[0009] According to one aspect of the utility model, when the steel gasket is attached to the side wall of the vertical plate, one end of the steel gasket abuts against the protruding strip, the other end abuts against the outer horizontal plate, and the end of the inner horizontal plate abuts against the surface of the steel gasket.
[0010] According to one aspect of the utility model, the steel gasket end part is equipped with the clamping groove matched with the convex strip.
[0011] According to one aspect of the utility model, further include: the anti-loosening sleeve, the anti-loosening sleeve includes the connecting plate, the left plate and the right plate are connected to the connecting plate, the left plate is connected with the left lower plate, the right plate is connected with the right lower plate, the right plate is equipped with the through hole that contains the fastening bolt to pass through, the through hole edge is equipped with the rubber sleeve.
[0012] According to one aspect of the utility model, the left lower plate and the right lower plate are bent towards the direction of the vertical plate.
[0013] According to one aspect of the utility model, when needing to install the ventilation duct, the flange structure is formed by stamping the edge of the ventilation duct, without needing to weld the flange secondarily, without welding deformation defects, the flange gasket is installed between the two vertical plates, the steel gasket is installed on the side wall of the vertical plate and locked and fixed by the fastening bolt and the fastening nut, at this time, the steel gasket is tightly clamped in the clamping groove formed by the ventilation duct body, the vertical plate, the outer horizontal plate and the inner horizontal plate, so that the overall structure is stable and reliable, and the strength is high.
[0014] According to one aspect of the utility model, when the ventilation duct has not been installed, the anti-loosening sleeve is sleeved on one of the ventilation duct bodies, after the abutment of the two ventilation duct bodies is completed, the anti-loosening sleeve is moved to the joint of the two ventilation duct bodies, and the rubber sleeve is used for positioning, so as to realize the one-to-one correspondence between the rubber sleeve and the fastening bolt. By such arrangement, the problem of bolt loosening and falling caused by fan vibration can be avoided, and the joint of the two ventilation duct bodies can also avoid scratching people's arms and fingers.
[0015] According to the scheme of the utility model, the flange structure is formed by stamping the edge of the ventilation duct body, without needing to weld the flange secondarily, without welding deformation defects, the air tightness is enhanced by using the flange gasket and the anti-loosening sleeve, the bolt loosening is avoided by using the steel gasket positioning and the anti-loosening sleeve design, and the joint of the two ventilation duct bodies can also avoid scratching people's arms and fingers by using the anti-loosening sleeve. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 Schematically represent the partial structure connection diagram of the underground garage ventilation duct according to one embodiment of the utility model,
[0017] Figure 2 For Figure 1 The enlarged view of the middle A part,
[0018] Figure 3 Schematically represent the partial structure connection diagram of the underground garage ventilation duct according to another embodiment of the utility model. DETAILED DESCRIPTION
[0019] The present application will now be discussed with reference to example embodiments. It should be appreciated that the embodiments discussed are merely for purposes of illustrating the present application and in order to enable those of ordinary skill in the art to make and use the present application, and are not intended to limit the scope of the present application.
[0020] As used herein, the term "includes" and its variants are to be read to be synonymous with "comprises" and its variants. The term "based on" is to be interpreted as "based, at least in part, on." The terms "one embodiment" and "an embodiment" are to be interpreted to mean "at least one embodiment."
[0021] Figure 1 schematic representation of a partial structure connection diagram of an underground garage ventilation duct according to an embodiment of the present application; Figure 2 To Figure 1 A enlarged view of the middle A part. As shown in the drawings, Figure 1 and Figure 2 In the present embodiment, the underground garage ventilation duct comprises at least two ventilation duct bodies 1, the edges of each ventilation duct body 1 connected to other ventilation duct bodies 1 are stamped to form a vertical plate 11, the edge of the vertical plate 11 is bent towards the direction of the ventilation duct body to form an inner horizontal plate 13 parallel to the outer horizontal plate 12, a flange gasket 2 is arranged between the two vertical plates 11 of the two ventilation duct bodies 1, and the two vertical plates 11 and the flange gasket 2 are locked and fixed by fastening bolts 31 and fastening nuts 33.
[0022] Further, in the present embodiment, a steel gasket 32 is installed on the side wall of the vertical plate 11 close to the inner horizontal plate 13, and the fastening bolt 31 is locked and fixed by the fastening nut 33 after sequentially passing through the steel gasket 32, the vertical plate 11, the flange gasket 2, the vertical plate 11 and the steel gasket 32.
[0023] Further, in the present embodiment, an arc-shaped bending part 14 is formed at the joint of the outer horizontal plate 12 and the inner horizontal plate 13.
[0024] Further, in the present embodiment, a protruding strip 101 is stamped outwardly near the vertical plate 11 of the ventilation duct body 1.
[0025] In the present embodiment, when the steel gasket 32 is attached to the side wall of the vertical plate 11, the lower end of the steel gasket 32 abuts against the protruding strip 101, the upper end abuts against the lower surface of the outer horizontal plate 12, and the end of the inner horizontal plate 13 abuts against the surface of the steel gasket 32. In this way, the stable positioning of the steel gasket 32 can be achieved, and to some extent, the loosening of the bolts and nuts caused by the vibration of the ventilation duct during fan ventilation can be avoided.
[0026] According to the above scheme of the utility model, when the ventilation pipe needs to be installed, the flange structure is formed by stamping the edge of the ventilation pipe, and the flange does not need to be welded twice, and there is no welding deformation defect, the flange gasket is installed between the two vertical plates, the steel gasket is installed on the side wall of the vertical plate and locked and fixed by the fastening bolt and the fastening nut, at this time, the steel gasket is tightly clamped in the clamping groove formed by the ventilation pipe body, the vertical plate, the outer horizontal plate and the inner horizontal plate, so that the overall structure is stable and reliable, and the strength is high.
[0027] Further, Figure 3 The schematic representation of the partial structure connection diagram of the underground garage ventilation pipe according to another embodiment of the utility model is shown in the figure. Figure 3 As shown in the figure, in the embodiment, the lower end face of the steel gasket 32 is provided with a clamping groove 321 matched with the protruding strip 101.
[0028] Further, in the embodiment, the underground garage ventilation pipe further comprises a locking sleeve 4, the locking sleeve 4 comprises a connecting plate 41, the connecting plate 4 is connected with a left plate 42 and a right plate 44, the left plate 42 is connected with a lower left plate 43, the right plate 44 is connected with a lower right plate 45, the right plate 44 is provided with a through hole 46 for accommodating the fastening bolt, and the edge of the through hole 46 is provided with a rubber sleeve 47.
[0029] Further, in the embodiment, the lower left plate 43 and the lower right plate 45 are curved towards the direction of the vertical plate 11.
[0030] Further, in the embodiment, the locking sleeve 4 can be made of plastic, and the rubber sleeve 47 is made of rubber.
[0031] According to the above scheme of the utility model, when the ventilation pipe has not been installed, the locking sleeve 4 is sleeved on one of the ventilation pipe bodies 1, after the two ventilation pipe bodies 1 are butted, the locking sleeve 4 is moved to the joint of the two ventilation pipe bodies 1, the rubber sleeve 47 is used for positioning, and the rubber sleeve 47 is matched with the fastening bolt 31 one by one. By such arrangement, the problem of bolt loosening and falling caused by fan vibration can be avoided, and the joint of the two ventilation pipe bodies can also avoid scratching people's arms and fingers.
[0032] According to the above scheme of the utility model, the flange structure is formed by stamping the edge of the ventilation pipe body, and the flange does not need to be welded twice, and there is no welding deformation defect, the air tightness is enhanced by using the flange gasket and the locking sleeve, the bolt loosening is avoided by using the steel gasket positioning and the locking sleeve design, and the joint of the two ventilation pipe bodies can also avoid scratching people's arms and fingers by using the locking sleeve.
[0033] Finally, it is explained that the above preferred embodiments are only used to illustrate the technical solutions of the present application and are not limited, although the present application has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present application.
Claims
1. A ventilation duct for an underground parking garage, characterized in that, include: At least two ventilation duct bodies are provided. The edge of each ventilation duct body connected to the other ventilation duct body is stamped to form a vertical plate. The edge of the vertical plate is stamped to form an outer horizontal plate. The edge of the outer horizontal plate is bent towards the ventilation duct body to form an inner horizontal plate parallel to the outer horizontal plate. A flange gasket is provided between two corresponding vertical plates on the two ventilation duct bodies. The two vertical plates and the flange gasket are locked and fixed by fastening bolts and fastening nuts.
2. The underground garage ventilation duct according to claim 1, characterized in that, A steel shim is installed on the side wall of the vertical plate near the inner horizontal plate. The two vertical plates, the flange gasket, and the two steel gaskets on the side walls of the two vertical plates are secured by fastening bolts and fastening nuts.
3. The underground garage ventilation duct according to claim 1, characterized in that, The outer horizontal plate and the inner horizontal plate form an arc-shaped bend at their junction.
4. The underground garage ventilation duct according to claim 2, characterized in that, The ventilation duct body is punched outward near the vertical plate to form a raised strip.
5. The underground garage ventilation duct according to claim 4, characterized in that, When the steel shim is attached to the side wall of the vertical plate, one end of the steel shim abuts against the protruding strip, the other end abuts against the outer horizontal plate, and the end of the inner horizontal plate abuts against the surface of the steel shim.
6. The underground garage ventilation duct according to claim 5, characterized in that, The steel gasket has a snap-fit groove at its end that mates with the raised strip.
7. The underground garage ventilation duct according to any one of claims 1 to 6, characterized in that, Also includes: The anti-loosening sleeve includes a connecting plate, which is connected to a left plate and a right plate. The left plate is connected to a lower left plate, and the right plate is connected to a lower right plate. The right plate is provided with a through hole for accommodating a fastening bolt, and the edge of the through hole is provided with a rubber sleeve.
8. The underground garage ventilation duct according to claim 7, characterized in that, Both the lower left and lower right plates are bent towards the direction of the vertical plate.
Citation Information
Patent Citations
Fire-fighting exhaust pipeline for underground garage of residential area
CN114484679A
Underground garage ventilation pipeline
CN210892077U