CN210603702U - Corrugated pipe joint with good sealing performance - Google Patents

Corrugated pipe joint with good sealing performance Download PDF

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Publication number
CN210603702U
CN210603702U CN201921701627.4U CN201921701627U CN210603702U CN 210603702 U CN210603702 U CN 210603702U CN 201921701627 U CN201921701627 U CN 201921701627U CN 210603702 U CN210603702 U CN 210603702U
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CN
China
Prior art keywords
pipe
joint
corrugated pipe
pipes
butt joint
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
CN201921701627.4U
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Chinese (zh)
Inventor
李国良
李国仓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hengshui Hengguang Engineering Rubber Plastic Co Ltd
Original Assignee
Hengshui Hengguang Engineering Rubber Plastic 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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Publication date
Application filed by Hengshui Hengguang Engineering Rubber Plastic Co Ltd filed Critical Hengshui Hengguang Engineering Rubber Plastic Co Ltd
Priority to CN201921701627.4U priority Critical patent/CN210603702U/en
Application granted granted Critical
Publication of CN210603702U publication Critical patent/CN210603702U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a bellows joint technical field just discloses a bellows joint that leakproofness is good, including the butt joint pipe, two screw holes that bilateral symmetry distributes are seted up to the inside of butt joint pipe, two the equal threaded connection in inside of screw hole has the screwed pipe, two the equal fixed mounting in the back of the body one side of the back of the body of screwed pipe has swivel nut, the tube hole has been seted up to swivel nut's inside, two the equal fixed mounting in inside of screwed pipe has the installation pipe, two the equal fixed mounting in inside of installation pipe has interior sleeve pipe, two the equal fixed mounting in the relative one side of interior sleeve pipe has the backing ring, two the inside of installation pipe has all been seted up and has been turned over a roll groove. This corrugated pipe joint that leakproofness is good possesses advantages such as sealed effectual, has solved ordinary corrugated pipe joint when using, connects stably inadequately, and sealed effect is general, appears not hard up phenomenon easily, leads to the problem of the inside liquid outflow of pipeline.

Description

Corrugated pipe joint with good sealing performance
Technical Field
The utility model relates to a bellows joint technical field specifically is a bellows joint that leakproofness is good.
Background
The corrugated pipe is a tubular elastic sensitive element formed by connecting foldable corrugated sheets along the folding and stretching direction, the corrugated pipe is widely applied to instruments and meters, and mainly used as a measuring element of a pressure measuring instrument to convert pressure into displacement or force, the corrugated pipe has a thin pipe wall and high sensitivity, the measuring range is from tens of Pa to tens of MPa, the open end of the corrugated pipe is fixed, the sealing end is in a free state, and the auxiliary spiral spring or reed is used for increasing elasticity, the corrugated pipe extends along the length direction of the pipe under the action of internal pressure during working, so that the movable end generates displacement which has a certain relation with the pressure, the movable end drives a pointer to directly indicate the pressure, the corrugated pipe is often combined with the displacement sensor to form a pressure sensor which outputs electric quantity, and sometimes the corrugated pipe is also used as an isolating element, and the response speed of the corrugated pipe is lower than that of a Bourdon pipe, the bellows is adapted to measure low pressure.
When other pipelines are connected, the existing corrugated pipe needs to be butted by using a corrugated pipe joint, when the common corrugated pipe joint is used, the connection is not stable enough, the sealing effect is general, the phenomenon of looseness easily occurs, and liquid in the pipeline flows out, so that the corrugated pipe joint with good sealing performance is provided to solve the problem.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a corrugated pipe joint that leakproofness is good possesses advantages such as sealed effectual, has solved ordinary corrugated pipe joint when using, connects stably inadequately, and sealed effect is general, appears not hard up phenomenon easily, leads to the problem of the inside liquid outflow of pipeline.
(II) technical scheme
For realizing the above-mentioned sealed effectual purpose, the utility model provides a following technical scheme: a corrugated pipe joint with good sealing performance comprises butt joint pipes, wherein two threaded holes which are symmetrically distributed in the left and right directions are formed in the butt joint pipes, threaded pipes are connected in the threaded holes in a threaded manner, rotary nuts are fixedly mounted on opposite sides of the two threaded pipes, pipe holes are formed in the rotary nuts, installation pipes are fixedly mounted in the threaded pipes, inner sleeves are fixedly mounted in the installation pipes, backing rings are fixedly mounted on opposite sides of the inner sleeves, rolling grooves are formed in the installation pipes, butt joint rings are connected in the threaded pipes in a threaded manner, installation grooves are formed in opposite sides of the butt joint rings, gaskets are fixedly mounted in the installation grooves, assembly holes are formed in the butt joint pipes, and sealing gaskets are fixedly mounted in the assembly holes, the butt joint pipe is internally provided with a communicating hole.
Preferably, two swivel nuts all are regular hexagon design, and two swivel nuts respectively with two installation pipe fixed connection.
Preferably, the lengths of the two installation pipes are respectively smaller than the lengths of the two threaded pipes, and the rolling grooves in the two installation pipes are respectively positioned on the outer sides of the two inner sleeves.
Preferably, the two gaskets are respectively positioned at the opposite sides of the two backing rings, and the gasket, the backing rings and the sealing gasket are all SIL (silicon-on-insulator) silicone rubber sealing rings.
Preferably, the size of the two assembling holes is the same as the diameter of the two butt-joint rings respectively, and the two butt-joint rings are in contact with the two sealing gaskets respectively.
Preferably, two ends of the communication hole respectively penetrate through the two sealing gaskets, the two butting rings and the two gaskets and respectively extend into the two inner sleeves.
(III) advantageous effects
Compared with the prior art, the utility model provides a corrugated pipe joint that leakproofness is good possesses following beneficial effect:
1. the corrugated pipe joint with good sealing performance has the advantages that in the initial state, the threaded pipe is separated from the threaded hole, the butt joint ring is separated from the threaded pipe, the corrugated pipe is firstly inserted into the inner sleeve pipe during installation and penetrates through and extends to the right end of the inner sleeve pipe, the corrugated pipe is turned to enable the corrugated pipe to wrap the inner sleeve pipe and be positioned in the turn-up groove, the butt joint ring is connected with the threaded pipe, and the butt joint ring is rotated to enable the butt joint ring to move to one side of the corrugated pipe along with the threads until the gasket is contacted with the corrugated pipe, the butt joint ring is continuously rotated to enable the gasket and the gasket ring to clamp and seal the corrugated pipe, then the threaded pipe is inserted into the threaded hole, the rotating nut is rotated to enable the sealing gasket to be tightly attached to the butt joint ring, thereby realizing the connection of the corrugated pipe and the corrugated pipe joint, adopting the method of clamping and sealing the corrugated pipe by the gasket and the backing ring, the sealing performance of the connection between the corrugated pipe and the corrugated pipe joint can be effectively improved, and the purpose of good sealing effect is achieved.
2. This corrugated pipe joint that leakproofness is good, through gasket and backing ring with the bellows centre gripping, can effectually fix the bellows, the phenomenon that the slippage appears when preventing that the bellows from receiving the pulling force, guarantee bellows and corrugated pipe articulate stability, swivel nut's regular hexagon design, more convenient to use person utilizes appurtenance such as spanner to change over to the screwed hole with the screwed pipe, it is inseparabler to make to joint the ring and sealed laminating of filling up, guarantee to joint the ring and seal the leakproofness between the pad, ensure the stability of connecting between the corrugated pipe joint design.
Drawings
FIG. 1 is a sectional view of the structure of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a left side view of the structure of the present invention.
In the figure: 1 butt joint pipe, 2 threaded pipe, 3 swivel nut, 4 installation pipes, 5 inner sleeves, 6 pipe holes, 7 rolling grooves, 8 threaded holes, 9 backing rings, 10 gaskets, 11 butt joint rings, 12 assembly holes, 13 installation grooves, 14 gaskets and 15 communication holes.
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.
Referring to fig. 1-3, the present invention provides a technical solution: a corrugated pipe joint with good sealing performance comprises a butt joint pipe 1, two threaded holes 8 which are symmetrically distributed left and right are formed in the butt joint pipe 1, threaded pipes 2 are connected to the inner parts of the two threaded holes 8 in a threaded manner, rotary nuts 3 are fixedly mounted on the opposite sides of the two threaded pipes 2 respectively, the two rotary nuts 3 are in regular hexagon design, the two rotary nuts 3 are respectively and fixedly connected with two installation pipes 4, pipe holes 6 are formed in the rotary nuts 3, installation pipes 4 are fixedly mounted in the two threaded pipes 2, inner sleeves 5 are fixedly mounted in the two installation pipes 4 respectively, the lengths of the two installation pipes 4 are smaller than the lengths of the two threaded pipes 2 respectively, rolling grooves 7 in the two installation pipes 4 are respectively positioned on the outer sides of the two inner sleeves 5, backing rings 9 are fixedly mounted on the opposite sides of the two inner sleeves 5, the rolling grooves 7 are formed in the two installation pipes 4, the interior of the two screwed pipes 2 is respectively in threaded connection with a butt-joint ring 11, one side of each of the two butt-joint rings 11, which is opposite to the other side, is provided with a mounting groove 13, the interior of each of the two mounting grooves 13 is fixedly provided with a gasket 10, the interior of the butt-joint pipe 1 is provided with a mounting hole 12, the interior of each of the two mounting holes 12 is fixedly provided with a sealing gasket 14, the two gaskets 10 are respectively positioned at one side opposite to the two backing rings 9, the gaskets 10, the backing rings 9 and the sealing gaskets 14 are SIL silicon rubber sealing rings, the size of the two mounting holes 12 is respectively the same as the diameter of the two butt-joint rings 11, the two butt-joint rings 11 are respectively contacted with the two sealing gaskets 14, the interior of the butt-joint pipe 1 is provided with a communication hole 15, two ends of the communication hole 15 respectively penetrate through the two sealing, the butt joint ring 11 is separated from the threaded pipe 2, the corrugated pipe is firstly inserted into the inner sleeve pipe 5 during installation and penetrates and extends to the right end of the inner sleeve pipe 5, the corrugated pipe is turned to enable the corrugated pipe to wrap the inner sleeve pipe 5 and be positioned in the turning groove 7, the butt joint ring 11 is connected with the threaded pipe 2, the butt joint ring 11 is rotated to enable the butt joint ring 11 to move towards one side of the corrugated pipe along with threads until the gasket 10 is contacted with the corrugated pipe, the butt joint ring 11 is continuously rotated to enable the gasket 10 and the backing ring 9 to clamp and seal the corrugated pipe, then the threaded pipe 2 is inserted into the threaded hole 8, the rotary nut 3 is rotated to enable the gasket 14 and the butt joint ring 11 to be tightly attached, so that the connection between the corrugated pipe and a corrugated pipe joint is realized, the method that the gasket 10 and the backing ring 9 are used for clamping and sealing the corrugated, through gasket 10 and backing ring 9 with the bellows centre gripping, can effectually fix the bellows, the phenomenon of slippage appears when preventing that the bellows from receiving the pulling force, guarantee bellows and bellows articulate's stability, swivel nut 3's regular hexagon design, more convenient to use person utilizes appurtenance such as spanner to change over to screwed hole 8 with screwed pipe 2, it is inseparabler to make to joint ring 11 and the laminating of sealed pad 14, guarantee to joint ring 11 and the leakproofness of sealing between the pad 14, ensure the stability of connecting between the bellows joint design.
When the corrugated pipe joint is used, in an initial state, the threaded pipe 2 is separated from the threaded hole 8, the butt joint ring 11 is separated from the threaded pipe 2, the corrugated pipe is firstly inserted into the inner sleeve pipe 5 and penetrates and extends to the right end of the inner sleeve pipe 5 when being installed, the corrugated pipe is turned to enable the corrugated pipe to wrap the inner sleeve pipe 5 and be positioned in the turning groove 7, the butt joint ring 11 is connected with the threaded pipe 2, the butt joint ring 11 is rotated to enable the butt joint ring 11 to move towards one side of the corrugated pipe along with threads until the gasket 10 is contacted with the corrugated pipe, the butt joint ring 11 is continuously rotated to enable the gasket 10 and the backing ring 9 to clamp and seal the corrugated pipe, then the threaded pipe 2 is inserted into the threaded hole 8, the rotary nut 3 is rotated to enable the gasket 14 to be tightly attached to the butt joint ring 11, so that the connection between the corrugated pipe and the corrugated pipe joint is realized, thereby achieving the purpose of good sealing effect.
In conclusion, in the corrugated pipe joint with good sealing performance, in an initial state, the threaded pipe 2 is separated from the threaded hole 8, the abutting ring 11 is separated from the threaded pipe 2, when the corrugated pipe joint is installed, the corrugated pipe is firstly inserted into the inner sleeve 5 and penetrates and extends to the right end of the inner sleeve 5, the corrugated pipe is turned over to enable the corrugated pipe to wrap the inner sleeve 5 and be positioned in the turning groove 7, the abutting ring 11 is connected with the threaded pipe 2, the abutting ring 11 is rotated to enable the abutting ring 11 to move towards one side of the corrugated pipe along with the threads until the gasket 10 is contacted with the corrugated pipe, the abutting ring 11 is continuously rotated to enable the gasket 10 and the gasket ring 9 to clamp and seal the corrugated pipe, then the threaded pipe 2 is inserted into the threaded hole 8, the rotary nut 3 is rotated to enable the gasket 14 to be tightly attached to the abutting ring 11, so that the connection between the corrugated pipe and the corrugated pipe joint is realized, and the, thereby the purpose that sealed effectual has been reached, through gasket 10 and backing ring 9 with the bellows centre gripping, can effectually fix the bellows, the phenomenon of slippage appears when preventing that the bellows from receiving the pulling force, guarantee the stability of bellows and bellows articulate, swivel nut 3's regular hexagon design, the person of more convenient to use utilizes appurtenance such as spanner to change over into screwed hole 8 with screwed pipe 2, it is inseparabler to make the laminating of butt ring 11 and sealed pad 14, guarantee the leakproofness between butt ring 11 and the sealed pad 14, ensure the stability of connecting between the bellows joint structure, it is when using to have solved ordinary bellows joint, connect stability inadequately, sealed effect is general, the not hard up phenomenon appears easily, lead to the inside liquid outflow's of pipeline problem.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (6)

1. The utility model provides a corrugated pipe joint that leakproofness is good, includes butt joint pipe (1), its characterized in that: the butt joint pipe comprises butt joint pipes (1), wherein two threaded holes (8) which are symmetrically distributed in the left and right direction are formed in the butt joint pipes (1), threaded pipes (2) are connected to the inner parts of the two threaded holes (8) in a threaded manner, rotary nuts (3) are fixedly mounted on the opposite sides of the two threaded pipes (2), pipe holes (6) are formed in the rotary nuts (3), mounting pipes (4) are fixedly mounted in the two threaded pipes (2), inner sleeves (5) are fixedly mounted in the two mounting pipes (4), backing rings (9) are fixedly mounted on the opposite sides of the two inner sleeves (5), rolling grooves (7) are formed in the two mounting pipes (4), butt joint rings (11) are connected to the inner parts of the two threaded pipes (2) in a threaded manner, and mounting grooves (13) are formed in the opposite sides of the two butt joint rings (11), two the equal fixed mounting in inside of mounting groove (13) has gasket (10), pilot hole (12), two have been seted up to the inside of butt joint pipe (1) the equal fixed mounting in inside of pilot hole (12) has sealed the pad (14), intercommunicating pore (15) have been seted up to the inside of butt joint pipe (1).
2. A good sealing corrugated pipe joint as set forth in claim 1, wherein: two swivel nuts (3) all are regular hexagon design, and two swivel nuts (3) respectively with two installation pipe (4) fixed connection.
3. A good sealing corrugated pipe joint as set forth in claim 1, wherein: the lengths of the two mounting pipes (4) are respectively smaller than the lengths of the two threaded pipes (2), and the rolling grooves (7) in the two mounting pipes (4) are respectively positioned on the outer sides of the two inner sleeves (5).
4. A good sealing corrugated pipe joint as set forth in claim 1, wherein: the two gaskets (10) are respectively positioned on the opposite sides of the two backing rings (9), and the gaskets (10), the backing rings (9) and the sealing gaskets (14) are all SIL silicon rubber sealing rings.
5. A good sealing corrugated pipe joint as set forth in claim 1, wherein: the sizes of the two assembling holes (12) are respectively the same as the diameters of the two butt joint rings (11), and the two butt joint rings (11) are respectively contacted with the two sealing gaskets (14).
6. A good sealing corrugated pipe joint as set forth in claim 1, wherein: two ends of the communication hole (15) respectively penetrate through the two sealing gaskets (14), the two butt-joint rings (11) and the two gaskets (10) and respectively extend into the two inner sleeves (5).
CN201921701627.4U 2019-10-12 2019-10-12 Corrugated pipe joint with good sealing performance Expired - Fee Related CN210603702U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921701627.4U CN210603702U (en) 2019-10-12 2019-10-12 Corrugated pipe joint with good sealing performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921701627.4U CN210603702U (en) 2019-10-12 2019-10-12 Corrugated pipe joint with good sealing performance

Publications (1)

Publication Number Publication Date
CN210603702U true CN210603702U (en) 2020-05-22

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Application Number Title Priority Date Filing Date
CN201921701627.4U Expired - Fee Related CN210603702U (en) 2019-10-12 2019-10-12 Corrugated pipe joint with good sealing performance

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112161138A (en) * 2020-10-29 2021-01-01 江西省得一康管业有限公司 MPVE double-wall corrugated pipe connecting and sealing device
CN113404973A (en) * 2021-07-28 2021-09-17 上海誉帆环境科技股份有限公司 Multi-turn inverted siphon trenchless repairing device and repairing method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112161138A (en) * 2020-10-29 2021-01-01 江西省得一康管业有限公司 MPVE double-wall corrugated pipe connecting and sealing device
CN113404973A (en) * 2021-07-28 2021-09-17 上海誉帆环境科技股份有限公司 Multi-turn inverted siphon trenchless repairing device and repairing method

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Granted publication date: 20200522