CN216382980U - Welding-free plug-in mounting type flange - Google Patents
Welding-free plug-in mounting type flange Download PDFInfo
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- CN216382980U CN216382980U CN202123050054.3U CN202123050054U CN216382980U CN 216382980 U CN216382980 U CN 216382980U CN 202123050054 U CN202123050054 U CN 202123050054U CN 216382980 U CN216382980 U CN 216382980U
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Abstract
The utility model discloses a welding-free plug-in type flange, which relates to the technical field of flanges and comprises a flange ring, wherein a first flange ring sheet is fixed on the upper surface of the flange ring, a second flange ring sheet is connected on one side surface of the flange ring, a first flange ring sheet is connected on the upper surface of the flange ring, a second flange ring sheet is connected on one side surface of the flange ring, a plurality of first rivet holes and second rivet holes are respectively arranged on the surfaces of the first flange ring sheet and the second flange ring sheet, a U-shaped step is arranged on the surface of a female end of the flange ring, a flange tongue sheet is connected on one side surface of the female end of the flange ring, the connection of the flanges can be rapidly realized, each flange is connected end to end only, the flange can be connected end to end through rivets, the traditional welding mode is not needed, the traditional flange is assembled with a ventilation air pipe body after being welded into a whole, and the welding-free quick connection flange can be directly assembled, the processing procedures are reduced, the working efficiency is improved, the pipeline can be quickly connected, and the popularization and the use are facilitated.
Description
Technical Field
The utility model relates to the technical field of flanges, in particular to a welding-free plug-in mounting type flange.
Background
The ventilation tuber pipe is by extensive application in subway track traffic, the warm ventilation of ventilating of central air conditioning and the fire prevention ventilation system of discharging fume under the high temperature environment, and the ventilation tuber pipe is at the in-process of installation use, and mostly a plurality of ventilation tuber pipe bodys are connected and are formed, and the ventilation tuber pipe body is when being connected, and the flange is connected through more, and the processing of traditional flange is welded connection, has the operation complicacy, and the processing degree of difficulty is big and be difficult for leveling the scheduling problem to reduce production efficiency and machining precision. Therefore, a welding-free plug-in type flange is provided.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a welding-free plug-in type flange, which solves the problem that the traditional flange is inconvenient to connect when a ventilation air pipe is connected.
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a exempt from to weld cartridge formula flange, includes the flange ring, the last fixed surface of flange ring has first flange ring piece, a side of flange ring is connected with second flange ring piece.
As a further technical scheme, the flange ring comprises a flange ring male end and a flange ring female end, one side face of the flange ring female end is connected with a flange tongue piece, the flange tongue piece is L-shaped, and a U-shaped step is arranged on the surface of the flange ring female end.
As a further technical scheme of the present invention, a plurality of first rivet holes are equidistantly formed in a surface of the first flange ring, a plurality of second rivet holes are equidistantly formed in a surface of the second flange ring, the first flange ring and the second flange ring are arranged in parallel, and the length of the first flange ring is longer than that of the second flange ring.
As a further technical scheme of the utility model, the surface of the male end of the flange ring is provided with a first connecting hole, the surface of the female end of the flange ring is provided with a second connecting hole, and the inner diameter sizes of the first connecting hole and the second connecting hole are matched.
As a further technical scheme, a plurality of fixing grooves are formed in the surface of the U-shaped step at equal intervals, the upper surface of the U-shaped step is flush with the upper surface of the flange tongue piece, and the thickness of the upper surface and the thickness of the lower surface of the U-shaped step, which are positioned at the female end of the flange ring, are the same as the thickness of the female end of the flange ring and the thickness of the male end of the flange ring.
As a further technical scheme of the utility model, the distance between the first flange ring piece and the second flange ring piece is matched with the width of the flange tongue piece, and the distance between the lower surface of the flange tongue piece and the lowest point thereof is matched with the thickness of the female end of the flange ring.
Advantageous effects
The utility model provides a welding-free plug-in mounting type flange. Compared with the prior art, the method has the following beneficial effects:
a welding-free plug-in type flange is characterized in that a first flange ring sheet is connected to the upper surface of a flange ring, a second flange ring sheet is connected to one side surface of the flange ring, a plurality of first rivet holes and second rivet holes are respectively formed in the surfaces of the first flange ring sheet and the second flange ring sheet, a U-shaped step is arranged on the surface of a female end of the flange ring, an L-shaped flange tongue sheet is connected to one side surface of the female end of the flange ring, a first connecting hole and a second connecting hole are respectively formed in the surfaces of a male end of the flange ring and the female end of the flange ring, the inner diameter sizes of the two connecting holes are matched, the connection of the flanges can be rapidly realized, each flange is connected end to end only by rivets, the traditional welding mode is not needed, the traditional flange is assembled with a ventilation duct body after being welded into a whole, the welding-free quick connecting flange can be directly assembled, and the processing procedures are reduced, the working efficiency is improved, the pipeline can be quickly connected, and the popularization and the use are facilitated.
Drawings
FIG. 1 is a schematic structural view of a welding-free plug-in flange;
FIG. 2 is a schematic view of an installation structure of a welding-free plug-in flange;
FIG. 3 is a top view of a weld-free cartridge flange installation;
fig. 4 is an exploded view of a weld-free mounting flange.
In the figure: 1. a flange ring; 11. a flange ring male end; 12. a flange ring female end; 13. a first connection hole; 14. a second connection hole; 15. fixing grooves; 16. a U-shaped step; 17. a flange tongue; 2. a first flange ring; 21. a first rivet hole; 3. a second flange ring; 31. a second rivet hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a welding-free plug-in flange technical solution: the utility model provides a exempt from to weld cartridge formula flange, includes flange ring 1, and the last fixed surface of flange ring 1 has first flange ring piece 2, and one side of flange ring 1 is connected with second flange ring piece 3, and flange ring 1 includes flange ring male end 11 and flange ring female end 12, and one side of flange ring female end 12 is connected with flange tongue piece 17, and flange tongue piece 17 is the L shape, and the surface of flange ring female end 12 is provided with U-shaped step 16.
A plurality of first rivet holes 21 are formed in the surface of the first flange ring piece 2 at equal intervals, a plurality of second rivet holes 31 are formed in the surface of the second flange ring piece 3 at equal intervals, the first flange ring piece 2 and the second flange ring piece 3 are arranged in parallel, the length of the first flange ring piece 2 is longer than that of the second flange ring piece 3, during installation, the first flange ring piece 2 is attached to the outer ring surface of the ventilation air pipe body, the first flange ring piece and the second flange ring piece are fixed to the outer ring surface of the ventilation air pipe body through the first rivet holes 21 and the rivets, the second flange ring piece 3 is attached to the inner ring side wall of the ventilation air pipe body, and the second rivet holes 31 and the rivets are fixed to the inner ring side wall of the ventilation air pipe body.
First connecting hole 13 has been seted up on the surface of flange ring public end 11, and second connecting hole 14 has been seted up on the surface of flange ring female end 12, and the internal diameter size phase-match of first connecting hole 13 and second connecting hole 14, when four flange joint, 11 surperficial lower surfaces of flange ring public end are laminated with the upper surface of the flange ring female end 12 of another flange mutually, and first connecting hole 13 and second connecting hole 14 coincide mutually, can be connected through the screw.
A plurality of fixing grooves 15 are formed in the surface of the U-shaped step 16 at equal intervals, the upper surface of the U-shaped step 16 is flush with the upper surface of the flange tongue piece 17, the U-shaped step 16 is located on the flange ring female end 12, the thickness of the lower surface of the U-shaped step 16 is the same as that of the flange ring female end 12 and the flange ring male end 11, the distance between the first flange ring piece 2 and the second flange ring piece 3 is matched with the width of the flange tongue piece 17, the distance between the lower surface of the flange tongue piece 17 and the lowest point of the flange tongue piece is matched with that of the flange ring female end 12, when another flange is connected, the lower surface of the flange tongue piece 17 is attached to the upper surface of the other flange ring female end 12 and is just located between the first flange ring piece 2 and the second flange ring piece 3.
The working principle of the utility model is as follows: when the flange joint is used, the lower surface of the male end 11 of the flange ring of one flange is attached to the upper surface of the female end 12 of the flange ring of the other flange, the first connecting hole 13 in the surface of the male end 11 of the flange ring is overlapped with the second connecting hole 14 in the surface of the female end 12 of the flange ring and is fixedly connected through a bolt, the flange tongue piece 17 connected to one side of the female end 12 of the flange ring of the other flange is clamped between the first flange ring piece 2 and the second flange ring piece 3 of the flange connected with the flange tongue piece 17, the lower surface of the flange tongue piece 17 is attached to the upper surface of the female end 12 of the flange ring, the steps are repeated, and the four flanges are sequentially connected end to end in a square shape;
then, the inner side surfaces of the first flange ring pieces 2 of the four flanges are attached to the outer ring surface of the end part of the ventilation air pipe body, the first rivet holes 21 and the rivets on the surfaces of the first flange ring pieces 2 are fixed to the outer ring surface of the end part of the ventilation air pipe body, the outer side surfaces of the second flange ring pieces 3 of the four flanges are attached to the inner ring side wall of the end part of the ventilation air pipe body, the second rivet holes 31 and the rivets on the surfaces of the second flange ring pieces 3 are fixed to the inner ring side wall of the end part of the ventilation air pipe body, and finally the next section of the ventilation air pipe body is connected through the fixing grooves and the bolts.
Claims (5)
1. A welding-free plug-in type flange comprises a flange ring (1), and is characterized in that a first flange ring piece (2) is fixed on the upper surface of the flange ring (1), and a second flange ring piece (3) is connected to one side surface of the flange ring (1);
the flange ring (1) comprises a flange ring male end (11) and a flange ring female end (12), one side face of the flange ring female end (12) is connected with a flange tongue piece (17), the flange tongue piece (17) is L-shaped, and the surface of the flange ring female end (12) is provided with a U-shaped step (16).
2. The welding-free plug-in mounting type flange according to claim 1, wherein a plurality of first rivet holes (21) are formed in the surface of the first flange ring piece (2) at equal intervals, a plurality of second rivet holes (31) are formed in the surface of the second flange ring piece (3) at equal intervals, the first flange ring piece (2) and the second flange ring piece (3) are arranged in parallel, and the length of the first flange ring piece (2) is longer than that of the second flange ring piece (3).
3. The welding-free plug-in mounting type flange according to claim 1, wherein a first connecting hole (13) is formed in the surface of the male end (11) of the flange ring, a second connecting hole (14) is formed in the surface of the female end (12) of the flange ring, and the inner diameter of the first connecting hole (13) is matched with the inner diameter of the second connecting hole (14).
4. The welding-free plug-in type flange according to claim 1, wherein a plurality of fixing grooves (15) are formed in the surface of the U-shaped step (16) at equal intervals, the upper surface of the U-shaped step (16) is flush with the upper surface of the flange tongue piece (17), and the thickness of the upper surface and the lower surface of the U-shaped step (16) at the female end (12) of the flange ring is the same as that of the female end (12) of the flange ring and that of the male end (11) of the flange ring.
5. The welding-free plug-in mounting flange according to claim 1, wherein the distance between the first flange ring piece (2) and the second flange ring piece (3) is matched with the width of the flange tongue piece (17), and the distance between the lower surface of the flange tongue piece (17) and the lowest point thereof is matched with the thickness of the flange ring female end (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123050054.3U CN216382980U (en) | 2021-12-07 | 2021-12-07 | Welding-free plug-in mounting type flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123050054.3U CN216382980U (en) | 2021-12-07 | 2021-12-07 | Welding-free plug-in mounting type flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216382980U true CN216382980U (en) | 2022-04-26 |
Family
ID=81221194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123050054.3U Active CN216382980U (en) | 2021-12-07 | 2021-12-07 | Welding-free plug-in mounting type flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216382980U (en) |
-
2021
- 2021-12-07 CN CN202123050054.3U patent/CN216382980U/en active Active
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