CN218883267U - Novel closed pipeline connecting flange - Google Patents
Novel closed pipeline connecting flange Download PDFInfo
- Publication number
- CN218883267U CN218883267U CN202221088635.8U CN202221088635U CN218883267U CN 218883267 U CN218883267 U CN 218883267U CN 202221088635 U CN202221088635 U CN 202221088635U CN 218883267 U CN218883267 U CN 218883267U
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- flange
- pipeline
- head
- fixing bolt
- fixed
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Abstract
The utility model relates to a flange technical field specifically is a novel airtight pipeline flange, including fixed pipeline, fixed pipeline's one end is fixed to have connect the flange head, the bolt hole has been seted up to one side of flange head, it has fixing bolt to peg graft in the inside of bolt hole, fixing bolt's surface has cup jointed the rotation flange, the inside of rotation flange is pegged graft and is had the connecting tube, the one end fixed connection of connecting tube has the spacing head. The utility model has the advantages of when connecting the pipeline that can't rotate the alignment, the staff can change the position of fixed orifices through rotating the rotation flange that the connecting tube surface cup jointed, connect the pipeline through fixing bolt, the piping erection of being convenient for, the connecting tube is through the flange head threaded connection of the rotation flange that the surface cup jointed and fixed pipeline, under the dead condition of fixing bolt rust on the flange, can cut off the fixing bolt in the space, carry out the inspection of pipeline and seal gasket's change.
Description
Technical Field
The utility model relates to a flange technical field, especially a novel airtight pipeline flange.
Background
Flanges, also called flange flanges or beads, are parts of the interconnection between pipes, for the connection between the ends of the pipes; also there is the flange on equipment import and export for the connection between two equipment, like the speed reducer flange, flange joint is exactly two pipelines, pipe fittings or equipment, fixes respectively on a ring flange earlier, between two ring flanges, including the flange pad, with bolt-up together, has accomplished the connection, flange joint is the important connected mode of pipeline construction, flange joint pipeline convenient to use can bear great pressure, still has some problems when nevertheless using flange joint pipeline:
1. when two pipelines are in butt joint, the existing sealed pipeline connecting flange needs to adjust the angle of the pipeline to align a fixing hole because positioning holes arranged on the flanges of the pipelines are difficult to align at one time, but the weight of the pipeline is too large, and time and labor are wasted when the pipeline is rotated;
2. the existing airtight pipeline connecting flange is used for connecting an outdoor pipeline, the airtight pipeline connecting flange is exposed to the sun and rain outside and changes of air humidity, fixing bolts on the flange are rusted easily, when the pipeline needs to be checked and maintained, the fixing bolts on the flange are difficult to detach, a large amount of time is consumed by workers to remove the loose fixing bolts, and time and labor are wasted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a novel airtight pipeline flange.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a novel airtight pipeline flange, includes the fixed pipeline, the one end fixed joint of fixed pipeline has the flange head, the bolt hole has been seted up to one side of flange head, the inside of bolt hole is pegged graft and is had fixing bolt, fixing bolt's surface has cup jointed the rotation flange, the inside of rotation flange is pegged graft and is had the connecting tube, the one end fixed connection of connecting tube has the spacing head, the centre of flange head and spacing head is provided with seal gasket.
Preferably, one side of the flange head and one side of the limiting head are both provided with a sealing groove.
Through adopting above-mentioned technical scheme, the seal groove is filled when the gasket is sealed, strengthens the sealed effect to the pipeline.
Preferably, a gasket is sleeved on the outer surface of the fixing bolt.
Through adopting above-mentioned technical scheme, the gasket increases the area of contact of fixing bolt and flange head, prevents that fixing bolt is not hard up.
Preferably, the outer surface of the fixing bolt is in threaded connection with a nut.
Through adopting above-mentioned technical scheme, use nut threaded connection fixing bolt to fix two pipelines.
Preferably, one side of the rotating flange is provided with a fixing hole, and a fixing bolt is inserted in the fixing hole.
Through adopting above-mentioned technical scheme, use fixed bolt flange head and rotating flange, rotate fixed bolt and fix rotating flange.
Preferably, the outer surface of the sealing gasket is fixedly connected with a positioning sheet, and one side of the positioning sheet is provided with a positioning hole.
By adopting the technical scheme, the positioning piece on the sealing gasket is fixed through the fixing bolt, and the sealing gasket is ensured to be placed at the central positions of the flange head and the limiting head.
Preferably, the inner diameter of the rotating flange is smaller than the outer diameter of the limiting head.
By adopting the technical scheme, the pipeline is sealed by rotating the flange to extrude the limiting head.
The utility model has the advantages of it is following:
1. when the novel closed pipeline connecting flange is used for connecting pipelines with unaligned fixed holes, workers can change the positions of the fixed holes by rotating the rotating flange sleeved on the outer surface of the connecting pipeline, the fixed holes are aligned with bolt holes formed in the flange heads, and the pipelines are connected through the fixing bolts, so that the fixed holes are conveniently aligned, and the pipelines are conveniently installed;
2. this novel airtight pipeline flange, connecting tube pass through the rotation flange that the surface cup jointed and the flange head threaded connection of fixed pipeline, have the space that the extrusion spacing head formed between flange head and the rotation flange, and fixing bolt on the flange rusts and is difficult to under the circumstances of dismantling, can cut off the fixing bolt in the space, inspects the maintenance to the pipeline, sparingly dismantles fixing bolt's time.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is an exploded view of the present invention;
fig. 3 is a schematic structural view of the sealing gasket of the present invention.
In the figure: 1-fixing a pipeline, 2-a flange head, 3-a bolt hole, 4-a fixing bolt, 5-a rotating flange, 6-a connecting pipeline, 7-a limiting head, 8-a sealing gasket, 9-a sealing groove, 10-a gasket, 11-a nut, 12-a fixing hole, 13-a positioning sheet and 14-a positioning hole.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1-3, a novel airtight pipeline connecting flange, it includes fixed pipeline 1, the outer fixed surface of fixed pipeline 1 connects flange head 2, the pipeline is connected fixedly through flange head 2, bolt hole 3 has been seted up to one side of flange head 2, fixing bolt 4 fixes flange head 2 through bolt hole 3, fixing bolt 4 has been pegged graft to the inside of bolt hole 3, it changes the distance of flange head 2 and rotating flange 5 to rotate fixing bolt 4, rotating flange 5 has been cup jointed to fixing bolt 4's surface, through the position of fixing bolt 4 fixed seal gasket 8, make seal gasket 8 place the central point at flange head 2, it seals the pipeline more conveniently, connecting tube 6 has been pegged graft to the inside of rotating flange 5, connecting tube 6's one end fixed connection has spacing head 7, the middle seal gasket 8 that is provided with flange head 2 and spacing head 7, 8 seals the pipeline connector, prevent connecting tube 6 leakage gas leakage.
As a preferred technical scheme, seal groove 9 has all been seted up to one side of flange head 2 and spacing head 7, and in this technical scheme, seal gasket 8 fills seal groove 9 when sealing, and the reinforcing is to the sealed effect of pipeline.
As a preferred technical scheme of the utility model, gasket 10 has been cup jointed to fixing bolt 4's surface, and in this technical scheme, gasket 10 increases fixing bolt 4 and flange head 2's area of contact, prevents that fixing bolt 4 is not hard up.
As a preferred technical scheme of the utility model, fixing bolt 4's surface threaded connection has nut 11, in this technical scheme, uses nut 11 threaded connection fixing bolt 4 to fix two pipelines.
As a preferred technical scheme of the utility model, fixed orifices 12 have been seted up to one side of rotating flange 5, and the inside of fixed orifices 12 is pegged graft and is had fixing bolt 4, uses fixing bolt 4 flange head 2 and rotating flange 5 in this technical scheme, rotates fixing bolt 4 and fixes rotating flange 5.
As a preferred technical scheme of the utility model, seal gasket 8's outer fixed surface is connected with spacer 13, and locating hole 14 has been seted up to one side of spacer 13, and in this technical scheme, fix spacer 13 on seal gasket 8 through fixing bolt 4, guarantee that seal gasket 8 places on flange head 2 and spacing head 7's central point puts.
As a preferred technical scheme of the utility model, the internal diameter of rotating flange 5 is less than spacing head 7's external diameter, and in this technical scheme, extrude spacing head 7 through rotating flange 5 and seal the pipeline.
The utility model discloses a working process as follows:
s1, connecting the novel closed pipeline connecting flange to a pipeline;
s2, placing a sealing gasket 8 between the flange head 2 and the limiting head 7, and butting a fixing bolt 4 with a positioning piece 13 arranged on the sealing gasket 8 through a bolt hole 3 on the flange head 2 to ensure that the sealing gasket 8 is positioned at the central position of the flange head 2;
s3, screwing the fixing bolt 4 on the flange head 2, and connecting the fixing pipeline 1 and the connecting pipeline 6 together by the fixing bolt 4 in a matching way with the nut 11;
s4, when the flange aligned with the pipeline cannot be rotated for connection, the position of the fixing hole 12 can be changed by rotating the rotating flange 5 sleeved on the outer surface of the connecting pipeline 6, and the fixing hole 12 and the bolt hole 3 formed in the flange head 2 are aligned and then connected by using the fixing bolt 4.
To sum up, this novel airtight pipeline flange, when connecting the pipeline that can't rotate the alignment, the staff can change the position of fixed orifices 12 through rotating flange 5 that the rotation connecting tube surface cup jointed, the bolt hole 3 of seting up on fixed orifices 12 alignment flange head 2, connect the pipeline through fixing bolt 4, make things convenient for the fixed orifices 12 to align, the piping erection of being convenient for, connecting tube 6 is through the flange head 2 threaded connection of rotation flange 5 that the surface cup jointed and fixed pipeline 1, there is the space that extrudees spacing head 7 and form between flange head 2 and the rotation flange 5, under the dead condition of fixing bolt 4 rust on the flange, can cut off fixing bolt 4 in the space, carry out the inspection maintenance of pipeline.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a novel closed pipeline flange which characterized in that: the flange is characterized by comprising a fixed pipeline (1), a flange head (2) is fixedly connected to one end of the fixed pipeline (1), a bolt hole (3) is formed in one side of the flange head (2), a fixing bolt (4) is inserted into the bolt hole (3), a rotating flange (5) is sleeved on the outer surface of the fixing bolt (4), a connecting pipeline (6) is inserted into the rotating flange (5), a limiting head (7) is fixedly connected to one end of the connecting pipeline (6), and a sealing gasket (8) is arranged between the flange head (2) and the limiting head (7).
2. The novel closed pipeline connecting flange as claimed in claim 1, wherein: and one sides of the flange head (2) and the limiting head (7) are provided with sealing grooves (9).
3. The novel closed pipeline connecting flange as claimed in claim 1, wherein: and a gasket (10) is sleeved on the outer surface of the fixing bolt (4).
4. The novel closed pipeline connecting flange as claimed in claim 1, wherein: and the outer surface of the fixing bolt (4) is in threaded connection with a nut (11).
5. The novel closed pipeline connecting flange as claimed in claim 1, wherein: one side of the rotating flange (5) is provided with a fixing hole (12), and a fixing bolt (4) is inserted into the fixing hole (12).
6. The novel closed pipeline connecting flange as claimed in claim 1, wherein: the outer surface of the sealing gasket (8) is fixedly connected with a positioning sheet (13), and one side of the positioning sheet (13) is provided with a positioning hole (14).
7. The novel closed pipeline connecting flange as claimed in claim 1, wherein: the inner diameter of the rotating flange (5) is smaller than the outer diameter of the limiting head (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221088635.8U CN218883267U (en) | 2022-05-09 | 2022-05-09 | Novel closed pipeline connecting flange |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221088635.8U CN218883267U (en) | 2022-05-09 | 2022-05-09 | Novel closed pipeline connecting flange |
Publications (1)
Publication Number | Publication Date |
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CN218883267U true CN218883267U (en) | 2023-04-18 |
Family
ID=85956629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202221088635.8U Active CN218883267U (en) | 2022-05-09 | 2022-05-09 | Novel closed pipeline connecting flange |
Country Status (1)
Country | Link |
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CN (1) | CN218883267U (en) |
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2022
- 2022-05-09 CN CN202221088635.8U patent/CN218883267U/en active Active
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Legal Events
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TR01 | Transfer of patent right |
Effective date of registration: 20230619 Address after: 063300 Xiheyi Village, Liushu 0 Town, Fengnan District, Tangshan, Hebei Province Patentee after: Tangshan Wanhua Packaging Products Co.,Ltd. Address before: Building 1, Taxation Community, No. 75 Xianning Avenue, Xianning City, Hubei Province, 437000 Patentee before: Gao Siyang |