CN216867832U - F adapter flange and air pipe butt joint connection structure thereof - Google Patents
F adapter flange and air pipe butt joint connection structure thereof Download PDFInfo
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- CN216867832U CN216867832U CN202123161129.5U CN202123161129U CN216867832U CN 216867832 U CN216867832 U CN 216867832U CN 202123161129 U CN202123161129 U CN 202123161129U CN 216867832 U CN216867832 U CN 216867832U
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Abstract
The utility model discloses an F adapter flange which comprises a connecting bottom ring, wherein an inner side ring is fixedly connected to the inner circumferential surface of the connecting bottom ring, the ring surface of the inner side ring is parallel to the axis of the connecting bottom ring, a limiting ring is fixedly connected to the end surface of the connecting bottom ring, which is close to the inner side ring, the ring surface of the limiting ring is parallel to the ring surface of the inner side ring, an annular groove is formed between the inner side ring and the limiting ring, a first connecting part is arranged on the ring circumferential surface of the inner side ring, which is far away from the limiting ring, and a second connecting part is arranged on one side of the connecting bottom ring, which is far away from the annular groove. Through adopting above-mentioned setting for connect two the same tuber pipes that the external diameter is different of internal diameter, reduce the fire prevention process that keeps warm alone, installation operation is stable, reduces the effect of noise in service.
Description
Technical Field
The utility model relates to the technical field of flange structures, in particular to an F adapter flange and an air pipe butt joint structure thereof.
Background
The connection between each section of air pipe is connected with an electric heating and ventilation system of the building to meet the important condition of the design air quantity requirement. At present, the butt joint construction of air pipes with the same inner diameter and different outer diameters has two methods: 1. increase a U-shaped connecting piece between the tuber pipe, the used material of this way is the steel sheet, buckles into the U type through the lathe simultaneously, need carry out solitary heat preservation/fire prevention after the installation and handle, and this often is unfavorable for site operation. 2. The reducing pipe fitting is added between the two air pipes, and the air pipes with different outer diameters are connected together in a butt joint mode by adding the reducing air pipes. And because two treat the inconsistent air pipe thickness of butt joint, the reducing pipe diameter can only be processed with one of them thickness, can appear the condition of one end unevenness when leading to the field installation, and then appear sealed incompletely, probably lead to the windage to increase during the actual use ventilation, and then cause the problem that the noise increases.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide the F-shaped adapter flange which is used for connecting two air pipes with the same inner diameter and different outer diameters, reduces the separate heat-preservation and fire-prevention processes, is stable in installation and operation and has the function of reducing the use noise.
The purpose of the utility model is realized by the following technical scheme:
an F adapter flange comprises a connecting bottom ring, wherein an inner side ring is fixedly connected to the inner peripheral surface of the connecting bottom ring, the ring surface of the inner side ring is parallel to the axis of the connecting bottom ring, a limiting ring is fixedly connected to the end surface, close to the inner side ring, of the connecting bottom ring, the ring surface of the limiting ring is parallel to the ring surface of the inner side ring, an annular groove is formed between the inner side ring and the limiting ring, a first connecting portion is arranged on the ring peripheral surface, far away from the limiting ring, of the inner side ring, and a second connecting portion is arranged on one side, far away from the annular groove, of the connecting bottom ring.
Further, the first connecting portion comprises a plurality of self-tapping screws connected with the inner side ring, and the self-tapping screws are distributed at intervals along the annular direction of the inner side ring.
Further, the second connecting portion comprises a plurality of waist-shaped holes which are arranged in the ring surface of the connecting bottom ring and far away from one side of the ring-shaped groove, the waist-shaped holes are used for a screw rod of a bolt to penetrate through, and the waist-shaped holes are distributed at intervals along the ring direction of the connecting bottom ring.
Further, the outer peripheral surface of the connecting bottom ring is provided with a flange which is turned over towards one side close to the annular groove.
Furthermore, the connecting bottom ring is rectangular in shape, the connecting bottom ring is divided into four sections of split rods at four vertex positions of the connecting bottom ring, oblique openings are formed in the two ends of each split rod in the length direction, the adjacent oblique openings of the adjacent split rods of the connecting bottom ring are mutually abutted, and the adjacent oblique openings of the adjacent split rods are mutually welded and fixed.
And further, the edge of the ring surface of the inner side ring, which is close to the bottom connecting ring, is turned outwards to form a folded edge, after the inner side ring is spliced with the bottom connecting ring, the folded edge of the inner side ring is abutted against the end surface, which is far away from the annular groove, of the bottom connecting ring, and the folded edge and the bottom connecting ring are welded and fixed.
Further, the connecting bottom ring, the inner side ring and the limiting ring are all made of galvanized steel sheet materials, and the thicknesses of the connecting bottom ring, the inner side ring and the limiting ring are all larger than or equal to 1.5 mm.
The utility model provides an tuber pipe butt joint connection structure, includes as above-mentioned F adapter flange, the ring channel is pegged graft and is had first tuber pipe, self-tapping screw pass behind the inboard ring with first tuber pipe is connected, the one side of connecting the end ring and keeping away from first tuber pipe is provided with the second tuber pipe, the axis of second tuber pipe with the coaxial setting of axis of first tuber pipe, the outer peripheral face of first tuber pipe attaches through the screw lock and is connected the angle iron flange, the angle iron flange just right with a plurality of waist type hole, the screw rod of bolt pass behind the waist type hole with the angle iron flange lock attaches the connection.
Further, the inner diameter of the second air duct is consistent with the inner diameter of the first air duct, and the outer diameter of the second air duct is larger than the outer diameter of the first air duct.
The utility model has the following beneficial effects:
the utility model provides a F adapter flange, aims at connecting two internal diameters the same and the different tuber pipes of external diameter in the F adapter flange through this embodiment to reduce the fire prevention process that keeps warm alone, make installation operation stable, and reduce the effect of noise. So set up the F adapter flange of constituteing by connecting bottom ring, inboard ring and spacing ring, because connect the bottom ring and be flat form, and then be convenient for fixed mounting inboard ring and spacing ring on its terminal surface, and the ring channel that forms between inboard ring and the spacing ring can be used to supply the tuber pipe to peg graft to realize the effect of this male tuber pipe of installation location, can connect the tuber pipe of inserting in the ring channel through the first connecting portion on the inboard ring simultaneously. The installation space of the end face of the bottom ring far away from the annular groove is large, so that the air pipe with large outer diameter can be conveniently installed, and meanwhile, the second connecting part of the bottom ring far away from one side of the annular groove can be connected with the air pipe with large outer diameter in the installation process. Therefore, the F-shaped adapter flange is used for connecting two air pipes with the same inner diameter and different outer diameters, and the air pipe with the smaller inner diameter can be arranged in the annular groove, so that the inner side ring and the limiting ring are used for well reinforcing the surface structural strength of the air pipe. Compared with the mode that a reducer pipe is arranged between two air pipes or between two air pipes to be butted in the prior art, the mode has the advantages that the independent heat-preservation fireproof process can be reduced, the installation operation is stable and simple, and the connection sealing performance is improved to weaken the noise.
The utility model provides an air pipe butt joint connection structure, aims at on F adapter flange in two different air pipes butt joints of the same external diameter of internal diameter to reduce the fire prevention process that keeps warm alone, make installation operation stable, and reduce the effect of noise. Therefore, the first air pipe is installed in the annular groove of the F adapter flange in an inserted mode and is fixedly installed through the self-tapping screw, and therefore the effect of connecting and installing the first air pipe is achieved. And the end of the outer peripheral surface of the second air pipe is provided with an angle iron flange through screw locking, so that the second air pipe is abutted against the end surface of the connecting bottom ring far away from the annular groove, the inner peripheral surface of the second air pipe is coplanar with the inner peripheral surface of the first air pipe, and meanwhile, a screw rod of a bolt penetrates through the kidney-shaped hole and then is connected with the angle iron flange, so that the installation operation of the second air pipe is realized. The air pipe connection installation structure formed by the method embodies the simplicity of butt joint installation operation of the air pipes.
Drawings
Fig. 1 is a schematic view of the entire structure of embodiment 1.
FIG. 2 is a sectional view of example 1.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
Fig. 4 is a cross-sectional view of the air duct butt connection structure of embodiment 2.
Fig. 5 is a partially enlarged view of B in fig. 4.
In the figure: 1. f, adapting a flange; 11. a connecting bottom ring; 111. a split bar; 112. a bevel opening; 12. a kidney-shaped hole; 13. flanging; 14. an inner ring; 15. a limiting ring; 16. an annular groove; 2. a first air duct; 3. a second air duct; 31. an angle iron flange.
Detailed Description
The utility model is described in further detail below with reference to the figures and the specific embodiments. In the present specification, the terms "upper", "inner", "middle", "left", "right" and "one" are used for clarity of description only, and are not used to limit the scope of the present invention, and the relative relationship between the terms and the modifications may be regarded as the scope of the present invention without substantial technical changes.
Example 1
Referring to fig. 1 to 3, an F adapter flange 1 includes a flat connection bottom ring 11, an inner ring 14 is fixedly connected to an inner circumferential surface of the connection bottom ring 11, a ring surface of the inner ring 14 is parallel to an axis of the connection bottom ring 11, a limit ring 15 is fixedly connected to a ring end surface of the connection bottom ring 11 close to the inner ring 14, the limit ring 15 is located on one side of the inner ring 14 close to an outer circumferential surface of the connection bottom ring 11, a ring surface of the limit ring 15 is parallel to a ring surface of the inner ring 14, an annular groove 16 is formed between the inner ring 14 and the limit ring 15, a first connection portion is arranged on a ring circumferential surface of the inner ring 14 away from the limit ring 15, a second connection portion is arranged on one side of the connection bottom ring 11 away from the annular groove 16, and the first connection portion and the second connection portion are both used for connecting butted air pipes, so that the F adapter flange 1 of the present invention is used for butting two air pipes.
Specifically, the utility model aims to connect two air pipes with the same inner diameter and different outer diameters through the F adapter flange 1 of the embodiment, so that the separate heat-preservation and fire-prevention processes are reduced, the installation operation is stable, and the use noise is reduced. Therefore, the F adapter flange 1 consisting of the connecting bottom ring 11, the inner side ring 14 and the limiting ring 15 is arranged, the connecting bottom ring 11 is flat, so that the inner side ring 14 and the limiting ring 15 can be conveniently and fixedly installed on the end surface of the connecting bottom ring, and the annular groove 16 formed between the inner side ring 14 and the limiting ring 15 can be used for splicing an air pipe, so that the effect of installing and positioning the inserted air pipe is realized, and meanwhile, the air pipe inserted into the annular groove 16 can be connected through the first connecting part on the inner side ring 14. The installation space of the end face of the bottom connecting ring 11 far away from the annular groove 16 is large, so that the air pipe with large outer diameter can be conveniently installed, and meanwhile, the second connecting part of the bottom connecting ring 11 far away from the annular groove 16 can be used for connecting the air pipe with large outer diameter in the installation process. Therefore, the F adapter flange 1 is used for connecting two air pipes with the same inner diameter and different outer diameters, and the air pipe with the smaller inner diameter is arranged in the annular groove 16, so that the surface structural strength of the air pipe is well reinforced by the inner side ring 14 and the limiting ring 15. Compared with the mode that a reducer pipe is arranged between two air pipes or between two air pipes to be butted in the prior art, the mode has the advantages that the independent heat-preservation fireproof process can be reduced, the installation operation is stable and simple, and the connection sealing performance is improved to weaken the noise.
As shown in fig. 1 to 3, in order to achieve the function of connecting the air ducts installed in the annular groove 16 through the first connection portion. The first connecting portion includes a plurality of self-tapping screws (not shown in the figure) connected with the inner ring 14, the self-tapping screws are used for penetrating through the inner ring and then connected with the air duct, and the self-tapping screws are arranged at intervals along the annular direction of the inner ring. Thereby improving the effect of the even distribution of the connecting force at the connecting position of the air pipes and further improving the stability of the connection and installation.
In order to achieve the function of connecting the air duct mounted on the side of the connecting bottom ring 11 remote from the annular groove 16 by means of the second connecting portion. The second connecting part comprises a plurality of kidney-shaped holes 12 which are arranged on one side of the ring surface of the connecting bottom ring 11 far away from the annular groove 16, the function of connecting space range can be enlarged due to the special shape of the kidney-shaped holes 12, and screws of bolts can pass through the kidney-shaped holes 12. Therefore, when the air pipe is installed on the side of the connecting bottom ring 11 far away from the annular groove 16, the air pipe can be directly connected with the corresponding air pipe after passing through the waist-shaped hole 12 by using a bolt, or directly connected with the angle iron flange 31 connected with the air pipe, thereby realizing the function of installing and fixing the corresponding air pipe. Similarly, a plurality of waist-shaped holes are distributed at intervals along the annular direction of the connecting bottom ring 11, so that the connecting and mounting stability is improved.
Since the bolts are mounted on the side of the end face of the connecting base ring 11 remote from the annular groove 16, the screw caps of the mounted bolts can be shielded and the F adapter flange 1 can be gripped easily. The flange 13 is arranged on the outer peripheral surface of the connecting bottom ring 11 and is turned over towards one side close to the annular groove 16, so that the installed bolt and nut can be shielded through the flange, the overall appearance is beautified, and the F adapter flange 1 can be conveniently held through the flange 13.
Referring to fig. 1 to 3, since most of the commercial air ducts are generally rectangular in cross section, the air ducts are not shown. Connect end ring 11 appearance and be the rectangle setting, connect end ring 11 and cut apart into four sections components of a whole that can function independently pole 111 about its four apex position, this components of a whole that can function independently pole 111 is rectangular slice formation, and oblique mouth 112 has all been seted up at components of a whole that can function independently pole 111 along length direction's both ends, connect the adjacent oblique mouth 112 mutual butt of the adjacent components of a whole that can function independently pole 111 of end ring 111, and adjacent oblique mouth 112 mutual welded fastening of adjacent components of a whole that can function independently pole 111, form holistic connection end ring 11 from this, and compare with the mode through direct buckling among the prior art, it is direct simple and convenient to have the operation, and the oblique mouth 112 that sets up plays the effect of practicing thrift material cost.
To facilitate the function of the inner ring 14 in connection with the connecting bottom ring 11. The edge of the ring surface of the inner side ring 14 close to the connecting bottom ring 11 is turned outwards to form a folded edge, after the inner side ring 14 is connected with the connecting bottom ring 11 in an inserting mode, the folded edge of the inner side ring 14 is abutted to the end face, far away from the annular groove 16, of the connecting bottom ring 11, and the folded edge and the connecting bottom ring 11 are fixedly welded. Therefore, by providing the inner ring 14 with a flange, it is possible to perform good positioning using the flange first when mounting the inner ring 14, thereby facilitating the subsequent welding fixing operation.
The connecting bottom ring 11, the inner side ring 14 and the limiting ring 15 are all made of galvanized steel sheet materials, and have the function of facilitating cutting for some parts needing to be cut, such as the connecting bottom ring 11; and for some parts needing bending operation through the bending machine, such as the inner side ring 14 and the limiting ring 15, the bending machine has the advantage of simple and convenient bending operation. And the thicknesses of the connecting bottom ring 11, the inner side ring 14 and the limiting ring 15 are all more than or equal to 1.5 mm, so that the beneficial effect of enhancing the overall structural strength is achieved.
Example 2
Referring to fig. 4 to 5, an air duct butt joint structure includes an F adapter flange 1 as described in embodiment 1, a first air duct 2 is inserted into an annular groove 16, a self-tapping screw penetrates through an inner ring 14 and then is connected to the first air duct 2, and a second air duct 3 is disposed on one side of a connecting bottom ring 11 away from the first air duct 2, wherein the inner diameter of the second air duct 3 is the same as the inner diameter of the first air duct 2, and the outer diameter of the second air duct 3 is larger than the outer diameter of the first air duct 2. The central axis of the second air duct 3 is coaxial with the central axis of the first air duct 2, the peripheral surface of the first air duct 2 is additionally connected with an angle iron flange 31 through a screw lock, the angle iron flange 31 is right opposite to the kidney-shaped holes 12, and a screw of a bolt passes through the kidney-shaped holes 12 and then is additionally connected with the angle iron flange 31 through a lock.
Specifically, this embodiment aims at on F adapter flange 1 in two tuber pipes butt joints that the same external diameter of internal diameter is different to reduce the fire prevention process that keeps warm alone, make installation operation stable, and reduce the effect of noise. Therefore, the first air duct 2 is inserted into the annular groove 16 of the F adapter flange 1 and is fixed by the self-tapping screw, so that the first air duct 2 is connected and installed. And the tail end of the outer peripheral surface of the second air duct 3 is provided with an angle iron flange 31 through screw locking, so that the second air duct 3 is abutted against the end surface of the connecting bottom ring 11 far away from the annular groove 16, the inner peripheral surface of the second air duct 3 is coplanar with the inner peripheral surface of the first air duct 2, and meanwhile, the screw of the bolt penetrates through the kidney-shaped hole 12 and then is connected with the angle iron flange 31, thereby realizing the mounting operation of the second air duct 3. The air pipe connection installation structure formed by the method embodies the simplicity of air pipe butt joint installation operation.
The embodiments of the present invention are not limited thereto, and according to the above-mentioned contents of the present invention, the present invention can be modified, substituted or combined in other various forms without departing from the basic technical idea of the present invention.
Claims (8)
1. An F adapter flange which characterized in that: the connecting bottom ring is characterized by comprising a connecting bottom ring, wherein an inner side ring is fixedly connected to the inner peripheral surface of the connecting bottom ring, the ring surface of the inner side ring is parallel to the axis of the connecting bottom ring, a limiting ring is fixedly connected to the ring end surface of the connecting bottom ring, which is close to the inner side ring, the ring surface of the limiting ring is parallel to the ring surface of the inner side ring, an annular groove is formed between the inner side ring and the limiting ring, a first connecting part is arranged on the ring peripheral surface of the inner side ring, which is far away from the limiting ring, and a second connecting part is arranged on one side, which is far away from the annular groove, of the connecting bottom ring.
2. An F-transition flange according to claim 1, wherein: the first connecting portion include a plurality of with the self-tapping nail that inboard ring is connected, a plurality of the self-tapping nail is followed the annular direction interval distribution of inboard ring sets up.
3. An F-transition flange according to claim 1, wherein: the second connecting portion include a plurality of seting up locate keep away from in the anchor ring of connecting the end ring waist type hole of ring channel one side, waist type hole supplies the screw rod of bolt to pass, and is a plurality of waist type hole is followed the annular direction interval distribution of connecting the end ring sets up.
4. An F-transition flange according to claim 3, wherein: the peripheral surface of the connecting bottom ring is provided with a flange towards one side close to the annular groove in a turning way.
5. An F-transition flange according to claim 1, wherein: connect the bottom ring appearance and be the rectangle setting, connect the bottom ring and cut apart into four sections components of a whole that can function independently pole about its four apex position, the bevel connection has all been seted up at components of a whole that can function independently pole along length direction's both ends, it is adjacent to connect the bottom ring adjacent to components of a whole that can function independently pole the mutual butt of bevel connection, and adjacent to components of a whole that can function independently pole the mutual welded fastening of bevel connection.
6. An F-transition flange according to claim 1, wherein: the connecting bottom ring, the inner side ring and the limiting ring are all made of galvanized steel sheet materials, and the thicknesses of the connecting bottom ring, the inner side ring and the limiting ring are all larger than or equal to 1.5 mm.
7. The utility model provides an tuber pipe butt joint connection structure which characterized in that: the F-shaped adapter flange comprises the F-shaped adapter flange as claimed in claim 3, wherein a first air pipe is inserted into the annular groove, a self-tapping screw penetrates through the inner side ring and then is connected with the first air pipe, a second air pipe is arranged on one side, away from the first air pipe, of the connecting bottom ring, the axis of the second air pipe is coaxial with the axis of the first air pipe, the outer peripheral surface of the first air pipe is connected with an angle iron flange in an attached mode through screws, the angle iron flange is opposite to a plurality of waist-shaped holes, and a screw rod of a bolt penetrates through the waist-shaped holes and then is connected with the angle iron flange in an attached mode.
8. An air hose butting connection structure according to claim 7, wherein: the inner diameter of the second air pipe is consistent with that of the first air pipe, and the outer diameter of the second air pipe is larger than that of the first air pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123161129.5U CN216867832U (en) | 2021-12-15 | 2021-12-15 | F adapter flange and air pipe butt joint connection structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123161129.5U CN216867832U (en) | 2021-12-15 | 2021-12-15 | F adapter flange and air pipe butt joint connection structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216867832U true CN216867832U (en) | 2022-07-01 |
Family
ID=82147244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123161129.5U Active CN216867832U (en) | 2021-12-15 | 2021-12-15 | F adapter flange and air pipe butt joint connection structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216867832U (en) |
-
2021
- 2021-12-15 CN CN202123161129.5U patent/CN216867832U/en active Active
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