CN212776097U - Ventilating duct connecting flange capable of being freely combined with different specifications - Google Patents
Ventilating duct connecting flange capable of being freely combined with different specifications Download PDFInfo
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- CN212776097U CN212776097U CN202021151528.6U CN202021151528U CN212776097U CN 212776097 U CN212776097 U CN 212776097U CN 202021151528 U CN202021151528 U CN 202021151528U CN 212776097 U CN212776097 U CN 212776097U
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- angle steel
- flange
- pipe
- butt joint
- steel flanges
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Abstract
The utility model discloses an air pipe flange of different specifications of can independent assortment, including first ventilation pipe, second ventilation pipe and combination formula flange, combination formula flange is including pegging graft in the inboard rectangle frame inner circle flange of butt joint mouth of pipe, two first angle steel flanges and two second angle steel flanges, two first internal thread through-hole on first angle steel flange and two second angle steel flanges is fixed through a plurality of second internal thread through-holes spiro union that run through on the first bolt of butt joint mouth of pipe and the rectangle frame inner circle flange, third internal thread through-hole on two fixed first angle steel flanges on the first ventilation pipe and two second angle steel flanges is fixed through the third internal thread through-hole spiro union on two fixed first angle steel flanges and two second angle steel flanges on a plurality of second bolts and the second ventilation pipe. The utility model discloses can fix on air pipe by the independent assortment, the installation is fixed convenient, and the pipe-line seal is effectual.
Description
Technical Field
The utility model belongs to the technical field of air pipe flange, concretely relates to but air pipe flange of different specifications of independent assortment.
Background
The ventilating duct is a metal or non-metal duct for ventilating and air conditioning engineering of industrial and civil buildings, and is a municipal infrastructure for circulating air and reducing the concentration of harmful gases. The size of the ventilation pipeline is mainly designed by a design unit according to the ventilation quantity required by engineering, and can also be designed according to the specific requirements of customers. Therefore, the sizes of the ventilation pipelines are different, the sizes of the flanges connected by the used pipelines are different, and the traditional pipeline connecting flange with a fixed size is not suitable for mounting, fixing and butting and fixing the ventilation pipelines with different specifications which can be freely combined.
Therefore, the ventilating duct connecting flange which can be freely combined and fixed on the ventilating duct, is convenient to mount and fix and good in pipeline sealing effect and can be freely combined with different specifications is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a but air pipe flange of different specifications of independent assortment to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a but air pipe flange of different specifications of independent combination, includes first ventilation pipe, second ventilation pipe and combination formula flange, combination formula flange is equipped with two, and two combination formula flange locates the butt joint mouth department of first ventilation pipe and second ventilation pipe respectively, combination formula flange is including pegging graft in the inboard rectangle frame inner circle flange of butt joint mouth of pipe, two first angle steel flanges of butt joint mouth of pipe left and right sides lateral surface are located to the symmetry and two second angle steel flanges of butt joint mouth of pipe upper and lower both sides lateral surface are located to the symmetry, two first internal thread through-hole on first angle steel flange and two second angle steel flanges is fixed through a plurality of second internal thread through-holes that run through on the first bolt of butt joint mouth of pipe and the second internal thread through-hole on the rectangle frame inner circle flange, third internal thread through-hole on two first angle steel flanges of fixed on the first ventilation pipe and two second angle steel flanges passes through a plurality of second And the two first angle steel flanges fixed on the ventilation pipe and the third internal thread through holes on the two second angle steel flanges are in threaded connection and fixed.
Preferably, the first angle steel flange is equal to the height of the butt joint pipe orifice.
Preferably, the length of the second angle steel flange is equal to the sum of the lengths of the two first angle steel flanges and the length of the butt joint pipe orifice.
Preferably, the outer side surface of the rectangular frame type inner ring flange and the outer side surface of the first angle steel flange are flush with the outer side surface of the butt joint pipe orifice through the outer side surface of the second angle steel flange.
Preferably, the outer side surfaces of the left end and the right end of the second angle steel flange are flush with the outer side surfaces of the first angle steel flanges fixed on the left side and the right side of the pipe orifice of the butt joint.
Preferably, the butt joint pipe orifices of the first ventilation pipe and the second ventilation pipe are both rectangular hollow structures.
The utility model discloses a technological effect and advantage: the ventilating duct connecting flange capable of being freely combined with different specifications is characterized in that two rectangular frame type inner ring flanges are respectively fixed on the inner sides of butt joint pipe orifices of a first ventilating duct and a second ventilating duct which are in butt joint, two first angle steel flanges and two second angle steel flanges are arranged on the outer side faces of the butt joint pipe orifices on the first ventilating duct and the second ventilating duct in a surrounding manner, the parts, which are tightly attached to the butt joint pipe orifices, on the two first angle steel flanges and the two second angle steel flanges are in threaded connection with the rectangular frame type inner ring flanges through first bolts, the sealing performance of the flange connection can be effectively improved, the two first angle steel flanges and the two second angle steel flanges on the first ventilating duct are in threaded connection with the two first angle steel flanges and the two second angle steel flanges on the second ventilating duct, the mounting and the fixing are convenient, and the ventilating ducts with different pipe orifice sizes are, the rectangular frame type inner ring flanges, the first angle steel flanges and the second angle steel flanges which are different in size can be replaced, can be freely combined and fixed on the ventilation pipeline, and is convenient to install and fix.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an exploded view of fig. 1 according to the present invention;
FIG. 3 is a schematic structural view of the first vent pipe of the present invention with a fixed combination type connecting flange;
fig. 4 is an exploded view of the present invention.
In the figure: 1. a first vent pipe; 2. a second vent pipe; 3. a combined connecting flange; 4. a rectangular frame type inner ring flange; 5. a first angle steel flange; 6. a second angle steel flange; 7. an internally threaded through bore; 8. a second internally threaded through hole; 9. a third internally threaded through hole.
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 work belong to the protection scope of the present invention.
The utility model provides a freely combinable connecting flange for air ducts with different specifications, as shown in figures 1-4, which comprises a first air duct 1, a second air duct 2 and a combined connecting flange 3, wherein the number of the combined connecting flanges 3 is two, the two combined connecting flanges 3 are respectively arranged at the butt joint pipe openings of the first air duct 1 and the second air duct 2, and the butt joint pipe openings of the first air duct 1 and the second air duct 2 are both rectangular hollow structures;
the combined type connecting flange 3 comprises a rectangular frame type inner ring flange 4 inserted into the inner side of the butt pipe orifice, two first angle steel flanges 5 symmetrically arranged on the outer side surfaces of the left side and the right side of the butt pipe orifice and two second angle steel flanges 6 symmetrically arranged on the outer side surfaces of the upper side and the lower side of the butt pipe orifice, first internal thread through holes 7 on the two first angle steel flanges 5 and the two second angle steel flanges 6 are in threaded connection and fixed with second internal thread through holes 8 on the rectangular frame type inner ring flange 4 through a plurality of first bolts penetrating through the butt pipe orifice, two first angle steel flanges 5 fixed on the first vent pipe 1 and third internal thread through holes 9 on the two second angle steel flanges 6 are in threaded connection and fixed with two first angle steel flanges 5 fixed on the second vent pipe 2 and third internal thread through holes 9 on the two second angle steel flanges 6 through a plurality of second bolts, the height of the first angle steel flanges 5 is equal to the, the length of the second angle steel flange 6 is equal to the sum of the lengths of the two first angle steel flanges 5 and the length of the butt joint pipe orifice, the outer side surfaces of the rectangular frame type inner ring flange 4 and the first angle steel flange 5 and the outer side surfaces of the second angle steel flange 6 are flush with the outer side surfaces of the butt joint pipe orifice, and the outer side surfaces of the left end and the right end of the second angle steel flange 6 are flush with the outer side surfaces of the first angle steel flanges 5 fixed on the left side and the right side of the butt joint pipe orifice;
two rectangular frame type inner ring flanges 4 are respectively fixed on the inner sides of the butt joint pipe orifices of a first ventilation pipe 1 and a second ventilation pipe 2 which are in butt joint, two first angle steel flanges 5 and two second angle steel flanges 6 are arranged on the outer side surfaces of the butt joint pipe orifices on the first ventilation pipe 1 and the second ventilation pipe 2 in a surrounding manner, the parts, which are tightly attached to the butt joint pipe orifices, on the two first angle steel flanges 5 and the two second angle steel flanges 6 are in bolt connection with the rectangular frame type inner ring flanges 4 through first bolts, the sealing performance of the angle steel flanges around the outer side surfaces of the butt joint pipe orifices can be effectively improved, the sealing performance of flange connection is improved, the two first angle steel flanges 5 and the two second angle steel flanges 6 on the first ventilation pipe 1 are in bolt connection with the two first angle steel flanges 5 and the two second angle steel flanges 6 on the second ventilation pipe 2, the installation, the rectangular frame type inner ring flanges 4, the first angle steel flange 5 and the second angle steel flange 6 with different sizes can be replaced, can be freely combined and fixed on the ventilation pipeline, and is convenient to install and fix.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a but ventilation pipe flange of different specifications of independent assortment, includes first ventilation pipe (1), second ventilation pipe (2) and combination formula flange (3), its characterized in that: combination formula flange (3) are equipped with two, and two the butt joint mouth department that first ventilation pipe (1) and second ventilation pipe (2) is located respectively to combination formula flange (3), combination formula flange (3) are including pegging graft in butt joint mouth of pipe inboard rectangle frame inner circle flange (4), symmetry locate two first angle steel flanges (5) of butt joint mouth of pipe left and right sides lateral surface and symmetry locate two second angle steel flanges (6) of butt joint mouth of pipe upper and lower both sides lateral surface, two first internal thread through-hole (7) on first angle steel flange (5) and two second angle steel flanges (6) are fixed through a plurality of second internal thread through-hole (8) spiro union that run through on butt joint mouth of pipe first bolt and rectangle frame inner circle flange (4), third internal thread through-hole (9) on two first angle steel flanges (5) of fixed on first ventilation pipe (1) and two second angle steel flanges (6) are through a plurality of internal thread through-holes (8) The second bolt is in threaded connection and fixed with two first angle steel flanges (5) fixed on the second ventilation pipe (2) and a third internal thread through hole (9) on the two second angle steel flanges (6).
2. A ventilation duct connecting flange capable of being freely combined with different specifications according to claim 1, characterized in that: the height of the first angle steel flange (5) is equal to that of the butt joint pipe orifice.
3. A ventilation duct connecting flange capable of being freely combined with different specifications according to claim 1, characterized in that: the length of the second angle steel flange (6) is equal to the sum of the lengths of the two first angle steel flanges (5) and the length of the butt joint pipe orifice.
4. A ventilation duct connecting flange capable of being freely combined with different specifications according to claim 1, characterized in that: the outer side surfaces of the rectangular frame type inner ring flange (4) and the first angle steel flange (5) and the outer side surface of the second angle steel flange (6) are flush with the outer side surface of the butt joint pipe orifice.
5. A ventilation duct connecting flange capable of being freely combined with different specifications according to claim 1, characterized in that: the outer side surfaces of the left end and the right end of the second angle steel flange (6) are flush with the outer side surfaces of the first angle steel flanges (5) fixed on the left side and the right side of the pipe orifice.
6. A ventilation duct connecting flange capable of being freely combined with different specifications according to claim 1, characterized in that: the butt joint pipe openings of the first ventilation pipe (1) and the second ventilation pipe (2) are both rectangular hollow structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021151528.6U CN212776097U (en) | 2020-06-19 | 2020-06-19 | Ventilating duct connecting flange capable of being freely combined with different specifications |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021151528.6U CN212776097U (en) | 2020-06-19 | 2020-06-19 | Ventilating duct connecting flange capable of being freely combined with different specifications |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212776097U true CN212776097U (en) | 2021-03-23 |
Family
ID=75074503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021151528.6U Active CN212776097U (en) | 2020-06-19 | 2020-06-19 | Ventilating duct connecting flange capable of being freely combined with different specifications |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212776097U (en) |
-
2020
- 2020-06-19 CN CN202021151528.6U patent/CN212776097U/en active Active
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