CN212178163U - Pipeline flange - Google Patents

Pipeline flange Download PDF

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Publication number
CN212178163U
CN212178163U CN202020909595.3U CN202020909595U CN212178163U CN 212178163 U CN212178163 U CN 212178163U CN 202020909595 U CN202020909595 U CN 202020909595U CN 212178163 U CN212178163 U CN 212178163U
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CN
China
Prior art keywords
flange
pipeline
lug
pipe
recess
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202020909595.3U
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Chinese (zh)
Inventor
李朝俊
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Henan Shenheng Industry Co ltd
Original Assignee
Henan Shenheng Industry Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Henan Shenheng Industry Co ltd filed Critical Henan Shenheng Industry Co ltd
Priority to CN202020909595.3U priority Critical patent/CN212178163U/en
Application granted granted Critical
Publication of CN212178163U publication Critical patent/CN212178163U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a pipeline flange relates to the flange field, and is not tight for solving the current pipe connection structure among the prior art seal, the problem that the junction leaked easily when intraductal pressure was too big. First flange is installed to one side of first pipeline, second flange is installed to one side of second pipeline, be provided with the connector between first flange and the second flange, the inside of connector is provided with the seal cushion, first flange's lower terminal surface is provided with first flange lug and first flange recess, second flange's lower terminal surface is provided with second flange lug and second flange recess, one side of first flange and second flange all is provided with the fixed sleeve, the surface of first flange and second flange all is provided with the breach, the connecting plate is all installed to the up end of first flange and second flange.

Description

Pipeline flange
Technical Field
The utility model relates to a flange technical field specifically is a pipeline flange.
Background
The pipe flanges are classified into the following six basic types according to the connection mode with the pipe: flat welding flange, butt welding flange, socket joint welding flange, loose flange, screw thread flange and whole flange, flat welding flange: the device is mainly used under the condition of mild medium conditions, such as low-pressure non-purified compressed air and low-pressure circulating water, and has the advantage of low price; and (3) welding a flange: the most commonly used one is butt welding connection with the pipe, the welding joint has better quality, and the neck of the flange can bear harsher conditions by using taper transition; socket welding a flange: the method is commonly used in pipelines with PN less than or equal to 10.0MPa and DN less than or equal to 40; loosening the flange: it is often used when the medium is not at high temperature or pressure and is more corrosive.
When the medium is strong in corrosivity, the part (flanging short section) of the flange contacting the medium is made of corrosion-resistant high-grade materials such as stainless steel and the like, and the flange ring made of the low-grade materials such as carbon steel is used for clamping the flange ring outside to realize sealing; integral flange: the flange is often integrated with equipment, pipes, pipe fittings, valves and the like, the type is commonly used on the equipment and the valves, the existing pipeline connection is mostly realized through two flat flanges, a flange seat is fixedly connected with a flange cover through bolts, the connection structure between the flange seat and the flange cover is not tight in sealing, and the connection part is easy to leak when the pressure in the pipe is overlarge; therefore, the market is urgently needed to develop a pipeline flange to help people solve the existing problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pipeline flange to solve the sealed not tight of current pipe connection structure that proposes in the above-mentioned background art, the problem of junction easy leakage when intraductal pressure is too big.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pipeline flange, includes first pipeline and second pipeline, first flange is installed to one side of first pipeline, second flange is installed to one side of second pipeline, be provided with the connector between first flange and the second flange, the inside of connector is provided with the seal cushion layer, first flange passes through seal cushion layer sealing connection with the second flange, first flange's lower terminal surface is provided with first flange lug and first flange recess, the lower terminal surface of second flange is provided with second flange lug and second flange recess.
Preferably, one side of first flange and second flange all is provided with fixed sleeve, fixed sleeve extends to first flange and second flange's inside and first flange and second flange welded connection, first pipeline extends to fixed sleeve inside and first flange welded connection, the second pipeline extends to fixed sleeve inside and second flange welded connection.
Preferably, the surface of first flange and second flange all is provided with the breach, the breach is provided with four, four the breach all sets up structure as an organic whole with first flange and second flange, the connecting plate is all installed to the up end of first flange and second flange, the connecting plate sets up structure as an organic whole with first flange and second flange.
Preferably, the inside of first flange and second flange is provided with the flange hole, the flange hole sets up structure as an organic whole with first flange and second flange respectively, fastening bolt is all installed to the both sides of first flange and second flange, fastening bolt passes the connecting plate respectively with first flange and second flange fixed connection.
Preferably, the lower end faces of the first pipeline and the second pipeline are both provided with anti-skid surfaces, the anti-skid surfaces and the first pipeline and the second pipeline are arranged into an integral structure, the interiors of the first pipeline and the second pipeline are both provided with pipeline openings, and the first pipeline is communicated with the second pipeline.
Preferably, first flange lug and first flange recess all set up structure as an organic whole with first flange, second flange lug and second flange recess all set up structure as an organic whole with second flange, second flange lug card is gone into inside and the laminating of first flange recess of first flange, first flange lug card is gone into the laminating of inside and the second flange of second flange recess.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model has the advantages that through the arrangement of the connecting port, when the first pipeline is connected with the second pipeline, the first connecting flange is jointed with the second connecting flange, the connecting port between the first connecting flange and the second connecting flange is sealed through the sealing cushion layer, the anti-skid surface of the lower end surface of the first connecting flange and the second connecting flange can ensure that the first connecting flange and the second connecting flange maintain enough friction force after being connected, the fixing effect is improved, in addition, the first flange lug below the first connecting flange is clamped into the second flange groove of the second connecting flange, and the second flange lug of the second connecting flange is clamped into the first flange groove of the first connecting flange, so that the inner surfaces of the first connecting flange and the second connecting flange can be limited and fixed, and the connecting effect between the first connecting flange and the second connecting flange is better, after the fastening bolts are fixed, even if the water pressure in the pipeline port is too high, the first connecting flange and the second connecting flange can still keep enough connecting strength, so that the sealing effect of the pipeline is improved.
Drawings
Fig. 1 is a schematic structural view of a pipe flange according to the present invention;
fig. 2 is a top view of a pipe flange according to the present invention;
fig. 3 is a bottom view of the pipe flange according to the present invention.
In the figure: 1. a first conduit; 2. a second conduit; 3. a first connecting flange; 4. a second connecting flange; 5. a connecting port; 6. sealing the cushion layer; 7. a connecting plate; 8. fastening a bolt; 9. a notch; 10. fixing the sleeve; 11. a first flange projection; 12. a second flange projection; 13. a second flange groove; 14. a first flange groove; 15. a flange hole; 16. an anti-slip surface; 17. a pipeline port.
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.
Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a pipeline flange, including first pipeline 1 and second pipeline 2, first flange 3 is installed to one side of first pipeline 1, second flange 4 is installed to one side of second pipeline 2, be provided with connector 5 between first flange 3 and the second flange 4, connector 5's inside is provided with seal cushion 6, first flange 3 passes through seal cushion 6 sealing connection with second flange 4, first flange 3's lower terminal surface is provided with first flange lug 11 and first flange recess 14, second flange 4's lower terminal surface is provided with second flange lug 12 and second flange recess 13, laminate first flange 3 and second flange 4, and connector 5 between first flange 3 and the second flange 4 seals through seal cushion 6.
Further, one side of first flange 3 and second flange 4 all is provided with fixed sleeve 10, fixed sleeve 10 extends to the inside and first flange 3 and the 4 welded connection of second flange of first flange 3 and second flange 4, first pipeline 1 extends to the inside and first flange 3 welded connection of fixed sleeve 10, second pipeline 2 extends to the inside and second flange 4 welded connection of fixed sleeve 10, keep the stability between first pipeline 1 and second pipeline 2 and first flange 3 and second flange 4 through fixed sleeve 10.
Further, the surface of first flange 3 and second flange 4 all is provided with breach 9, breach 9 is provided with four, four breach 9 all set up structure as an organic whole with first flange 3 and second flange 4, connecting plate 7 is all installed to the up end of first flange 3 and second flange 4, connecting plate 7 sets up structure as an organic whole with first flange 3 and second flange 4, through breach 9 when not reducing flange intensity, can reduce the weight of flange.
Further, the inside of first flange 3 and second flange 4 is provided with flange hole 15, and flange hole 15 sets up structure as an organic whole with first flange 3 and second flange 4 respectively, and fastening bolt 8 is all installed to the both sides of first flange 3 and second flange 4, and fastening bolt 8 passes connecting plate 7 respectively with first flange 3 and second flange 4 fixed connection, and is fixed fastening bolt 8 through flange hole 15.
Further, the terminal surface all is provided with non-slip surface 16 under first pipeline 1 and the second pipeline 2, and non-slip surface 16 sets up structure as an organic whole with first pipeline 1 and second pipeline 2, and the inside of first pipeline 1 and second pipeline 2 all is provided with pipeline mouth 17, first pipeline 1 and second pipeline 2 intercommunication, and non-slip surface 16 can make and keep sufficient frictional force behind first flange 3 and the connection of second flange 4, improves fixed effect.
Furthermore, a first flange bump 11 and a first flange groove 14 are both arranged with the first connecting flange 3 as an integral structure, a second flange bump 12 and a second flange groove 13 are both arranged with the second connecting flange 4 as an integral structure, the second flange bump 12 is clamped inside the first flange groove 14 and is jointed with the first connecting flange 3, the first flange bump 11 is clamped inside the second flange groove 13 and is jointed with the second connecting flange 4, the first flange bump 11 below the first connecting flange 3 is clamped inside the second flange groove 13 of the second connecting flange 4, and then the second flange bump 12 of the second connecting flange 4 is clamped inside the first flange groove 14 of the first connecting flange 3, thereby can carry out spacing fixed with the internal surface of first flange 3 and second flange 4 to make the connected effect between first flange 3 and the second flange 4 better.
The working principle is as follows: when the pipe fitting is used, after the first pipeline 1 and the second pipeline 2 are welded and formed with the fixing sleeve 10, the stability between the first pipeline 1 and the second pipeline 2 and the first connecting flange 3 and the second connecting flange 4 is kept through the fixing sleeve 10, the first connecting flange 3 is attached to the second connecting flange 4, the fastening bolts 8 are fixed through the flange holes 15, the connecting port 5 between the first connecting flange 3 and the second connecting flange 4 is sealed through the sealing cushion layer 6, the anti-slip surface 16 on the lower end surface of the first connecting flange 3 and the second connecting flange 4 can keep enough friction after the first connecting flange 3 is connected with the second connecting flange 4, the fixing effect is improved, the first flange bump 11 below the first connecting flange 3 is clamped into the second flange groove 13 of the second connecting flange 4, the second flange bump 12 of the second connecting flange 4 is clamped into the first flange groove 14 of the first connecting flange 3, thereby can carry out spacing fixed with the internal surface of first flange 3 and second flange 4 to make the connection effect between first flange 3 and the second flange 4 better, even the inside water pressure of pipeline mouth 17 is too big, still can keep sufficient joint strength between first flange 3 and the second flange 4, thereby improve the sealed effect of pipeline.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. A pipe flange, comprising a first pipe (1) and a second pipe (2), characterized in that: first flange (3) are installed to one side of first pipeline (1), second flange (4) are installed to one side of second pipeline (2), be provided with between first flange (3) and second flange (4) connector (5), the inside of connector (5) is provided with seal cushion (6), first flange (3) and second flange (4) are through seal cushion (6) sealing connection, the lower terminal surface of first flange (3) is provided with first flange lug (11) and first flange recess (14), the lower terminal surface of second flange (4) is provided with second flange lug (12) and second flange recess (13).
2. A pipe flange according to claim 1, wherein: one side of first flange (3) and second flange (4) all is provided with fixed sleeve (10), fixed sleeve (10) extend to the inside and first flange (3) and second flange (4) welded connection of first flange (3) and second flange (4), first pipeline (1) extends to fixed sleeve (10) inside and first flange (3) welded connection, second pipeline (2) extend to fixed sleeve (10) inside and second flange (4) welded connection.
3. A pipe flange according to claim 1, wherein: the surface of first flange (3) and second flange (4) all is provided with breach (9), breach (9) are provided with four, four breach (9) all set up structure as an organic whole with first flange (3) and second flange (4), connecting plate (7) are all installed to the up end of first flange (3) and second flange (4), connecting plate (7) set up structure as an organic whole with first flange (3) and second flange (4).
4. A pipe flange according to claim 3, wherein: the inside of first flange (3) and second flange (4) is provided with flange hole (15), flange hole (15) set up structure as an organic whole with first flange (3) and second flange (4) respectively, fastening bolt (8) are all installed to the both sides of first flange (3) and second flange (4), fastening bolt (8) pass connecting plate (7) respectively with first flange (3) and second flange (4) fixed connection.
5. A pipe flange according to claim 1, wherein: the pipeline is characterized in that anti-skid surfaces (16) are arranged on the lower end surfaces of the first pipeline (1) and the second pipeline (2), the anti-skid surfaces (16) are integrated with the first pipeline (1) and the second pipeline (2), pipeline openings (17) are formed in the first pipeline (1) and the second pipeline (2), and the first pipeline (1) is communicated with the second pipeline (2).
6. A pipe flange according to claim 1, wherein: first flange lug (11) and first flange recess (14) all set up structure as an organic whole with first flange (3), second flange lug (12) and second flange recess (13) all set up structure as an organic whole with second flange (4), second flange lug (12) card is gone into first flange recess (14) inside and is laminated with first flange (3), first flange lug (11) card is gone into second flange recess (13) inside and is laminated with second flange (4).
CN202020909595.3U 2020-05-26 2020-05-26 Pipeline flange Expired - Fee Related CN212178163U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020909595.3U CN212178163U (en) 2020-05-26 2020-05-26 Pipeline flange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020909595.3U CN212178163U (en) 2020-05-26 2020-05-26 Pipeline flange

Publications (1)

Publication Number Publication Date
CN212178163U true CN212178163U (en) 2020-12-18

Family

ID=73788218

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020909595.3U Expired - Fee Related CN212178163U (en) 2020-05-26 2020-05-26 Pipeline flange

Country Status (1)

Country Link
CN (1) CN212178163U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113669514A (en) * 2021-08-28 2021-11-19 江苏青阳管业有限公司 Corrosion-resistant heavy-calibre bimetal metallurgy composite pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113669514A (en) * 2021-08-28 2021-11-19 江苏青阳管业有限公司 Corrosion-resistant heavy-calibre bimetal metallurgy composite pipe

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201218