CN109681702A - Pipe joint structure - Google Patents
Pipe joint structure Download PDFInfo
- Publication number
- CN109681702A CN109681702A CN201811482689.0A CN201811482689A CN109681702A CN 109681702 A CN109681702 A CN 109681702A CN 201811482689 A CN201811482689 A CN 201811482689A CN 109681702 A CN109681702 A CN 109681702A
- Authority
- CN
- China
- Prior art keywords
- pipeline section
- screw thread
- tube head
- internal
- thread pipeline
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/04—Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/08—Screw-threaded joints; Forms of screw-threads for such joints with supplementary elements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention relates to a pipeline joint structure which comprises a first pipe head and a second pipe head, wherein one end of the first pipe head is provided with an internal thread pipe section and a positioning step positioned at the inner end of the internal thread pipe section, one end of the second pipe head is provided with an external thread pipe section, the external thread pipe section is in threaded connection with an internal and external thread pipe section sleeved on the external thread pipe section, the internal and external thread pipe sections are in threaded connection in the internal thread pipe section to connect the second pipe head and the first pipe head together, the internal thread pipe section and the external thread pipe section are in sealed connection through a sealing assembly, the external thread pipe section and the internal and external thread pipe sections are completely accommodated in the internal thread pipe section, and the external thread. The detachable pipeline connecting device has the advantages of being capable of avoiding the exposure of the connecting outlet threads of the pipelines and realizing the detachable connection of the two pipelines, and is used for solving the problem that the detachable connection and the exposure of the threads cannot be considered when the two pipelines are connected.
Description
Technical field
The present invention relates in Chinese medicine production equipment mechanical structure more particularly to a kind of pipe joint structure.
Background technique
In equipment for automatic production, needs two tube bodies and removable seal links together and realizes liquid
Conveying.The existing mode being detachably connected that is sealed to two tube bodies is that thread head is arranged on the end of two tube bodies,
Then upper unsintered tape rear thread is wound on thread head be connected to and realize and be detachably connected on the both ends of internal screw thread tube head, pass through life
The deformation of adhesive tape seals to realize.The connection type when generating variation between thread head and the length of internal screw thread tube head due to that can make
Junction screw thread it is exposed, screw thread exposed not only aesthetics difference and due to planarization difference be easy dust accumulation and do not allow it is easy to clean,
And be sealed by unsintered tape, it is inconvenient when sealing；If thread head is arranged not on two pipelines but manages two
Road, which welds together, to be connected and sealed, and the exposed of screw thread can be prevented, but welds inconvenience when then being dismantled.
Summary of the invention
Pipeline junction screw thread can either be avoided exposed the present invention provides one kind and can be realized the removable of two root canal roads
The pipe joint structure for unloading connection is detachably connected and keeps away for solving to take into account when existing two pipelines are attached
Exempt from the exposed problem of screw thread.
The above technical problem is solved through the following technical scheme: a kind of pipe joint structure, including the first tube head and
Second tube head, one end of first tube head is equipped with internal screw thread pipeline section and the positioning step positioned at internal screw thread pipeline section inner end, described
One end of second tube head is equipped with external screw thread pipeline section, be threaded on the external screw thread pipeline section be set in it is interior on external screw thread pipeline section
External screw thread pipeline section, the internal and external threads pipeline section are threaded in the internal screw thread pipeline section and connect the second tube head and the first tube head
It is connected together, the internal screw thread pipeline section is sealed connected together with the external screw thread pipeline section by seal assembly, the external screw thread
Pipeline section and internal and external threads pipeline section are accommodated in completely in the internal screw thread pipeline section, one far from the second tube head of the external screw thread pipeline section
End and internal and external threads pipeline section are linked together between one end of the second tube head by automatic mounting mechanism.The present invention is to two
Method when pipeline is attached is that two root canal roads are respectively welded at another section of the first tube head and the other end of the second tube head
On, so that two root canal roads be linked together through the invention.The technical program can pass through internal and external threads pipe and external screw thread
Overlapping feeds between pipeline section are come the distance between free end and the second tube head end plate that change internal and external threads section, so that external screw thread
Pipeline section is all located in import and avoids screw thread exposed.First tube head of the internal screw thread pipeline section with different length can be the same as same
Two tube heads are matched, and versatility is good.
Preferably, the outer end of the internal screw thread pipeline section is equipped with major diameter section and forms the first sealed step, the external screw thread
The second sealed step is formed between pipeline section and the second tube head, the seal assembly includes being arranged in second sealed step
Along the annular groove of the second tube head circumferentially extending, the ring packing air bag in annular groove and it is arranged in first sealed step
Along the sealing ring of the circumferentially extending of internal screw thread pipeline section, the sealing ring, which can be worn, squeezes the ring packing in the annular groove
Air bag and make the ring packing air bag deform and be sealed connected together the first sealed step and the second sealed step, institute
The second tube head is stated to be inserted into the major diameter section.A kind of specific technical solution of seal assembly is provided, the seal assembly is close
It is good to seal effect, and can be achieved at the same time between male end of a pipe and internal screw thread pipeline section and internal and external threads screw thread pipeline section and interior
Sealing between screw thread pipeline section.It is existing inconvenient when being sealed by unsintered tape to solve the problems, such as.
If the annular is close preferably, the sealing ring, which is equipped with arterial highway, is sequentially sleeved at ring packing teeth together
Tooth is sealed along the circumferentially extending of internal screw thread pipeline section.Sealing effect can be further increased.
Preferably, the automatic mounting mechanism include the axial direction jack being arranged on the inner face of interior external screw thread pipeline section,
First lock pin of the inner face that the first lock pin and the first lock pin of driving being threaded through in axial direction jack stretch out axial direction jack stretches out bullet
Spring, the axial direction jack are equipped with the radial jack of the inner peripheral surface of inside and outside screw thread pipeline section, the periphery of external thread section are arranged in
It can be with radial receptacle alignment and the annular lock groove circumferentially extended along external thread section, be threaded through in radial jack second on face
The second lock pin that lock pin and the second lock pin of driving are inserted into annular lock groove stretches out spring, and second lock pin is equipped with the first lock
The solution lockhole of alignment is sold, the inner end of first lock pin is equipped with insertion guide head.The structure can be screwed in interior external screw thread pipeline section
It disengages automatically when inner end, that is, bottom of internal screw thread pipeline section and external screw thread pipeline section is rotated, external screw thread pipeline section before not threading off
It can not be rotated relative to internal and external threads pipeline section, so that internal and external threads pipeline section can not when avoiding the need for being screwed into internal and external threads pipeline section
It is rotated relative to internal screw thread pipeline section.When the first lock pin is with annular lock groove alignment, automatic mounting mechanism can connect automatically after taking-up
It connects and is locked at internal and external threads pipeline section and external screw thread pipeline section together.
The present invention, which has an advantage that can be used in that two pipelines are connected and sealed and are connected out, can be avoided screw thread
It is exposed.
Detailed description of the invention
Fig. 1 be the present invention without sealed connection on when use state diagram.
Fig. 2 is the partial enlargement diagram at the A of Fig. 1.
Fig. 3 is the partial enlargement diagram at the B of Fig. 1.
Schematic diagram when Fig. 4 is on the present invention is tightly connected.
Fig. 5 is the partial enlargement diagram at the C of Fig. 4.
In figure: a root canal road 1, another root canal road 2, the first tube head 90, internal screw thread pipeline section 91, positioning step 92, first are close
It is close to seal step 93, external screw thread pipeline section 94, the second sealed step 95, internal and external threads pipeline section 96, seal assembly 97, annular groove 971, annular
Seal air bag 972, sealing ring 973, ring packing teeth 974, automatic mounting mechanism 98, axial direction jack 981, the first lock pin 982, first
Lock pin stretches out spring 983, radial jack 984, annular lock groove 985, the second lock pin 986, the second lock pin and stretches out spring 987, solution
Lockhole 988, insertion guide head 989, the second tube head 99.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings and embodiments.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a kind of pipe joint structure, including the first tube head 90 and the second tube head 99.
Internal screw thread pipeline section 91 and the positioning step 92 positioned at internal screw thread pipeline section inner end are equipped in one end of first tube head.Internal screw thread pipeline section
Outer end is equipped with major diameter section and forms the first sealed step 93.Second tube head, 99 one end is equipped with external screw thread pipeline section 94.External screw thread pipeline section
And second form the second sealed step 95 between tube head.Second tube head 99 is inserted into major diameter section.Screw thread on external screw thread pipeline section
It is connected with the internal and external threads pipeline section 96 being set on external screw thread pipeline section.Second tube head passes through seal assembly with the import of the first tube head
97 are sealed connected together.Seal assembly includes the annular groove along the circumferentially extending of the second tube head being arranged in the second sealed step
971, the ring packing air bag 972 in annular groove and the circumferentially extending along internal screw thread pipeline section being arranged in the first sealed step
Sealing ring 973.Sealing ring can wear state annular groove inner seal ring shape pressure bladder and make ring packing air bag deform and
The import of second tube head and the first tube head is sealed connected together.It is successively covered if sealing ring is equipped with arterial highway (specially 2)
It is located at ring packing teeth 974 together.Circumferentially extending of the ring packing teeth along internal screw thread pipeline section.Separate the second of external screw thread pipeline section
One end of tube head and internal and external threads pipeline section are linked together between one end of the second tube head by automatic mounting mechanism 98.From
Dynamic mounting mechanism includes the axial direction jack 981 being arranged on the inner face of interior external screw thread pipeline section, be threaded through in axial direction jack
First lock pin of the inner face that one lock pin 982 and the first lock pin of driving stretch out axial direction jack stretches out spring 983.It is set in axial direction jack
Have that the radial jack 984 of the inner peripheral surface of inside and outside screw thread pipeline section, be arranged on the outer peripheral surface of thread head being capable of coaxial jack
Alignment and the threadingly annular lock groove 985 of head circumferentially extending, the second lock pin 986 being threaded through in radial jack and driving second
The second lock pin that lock pin is inserted into annular lock groove stretches out spring 987.Second lock pin is equipped with the solution lockhole with the alignment of the first lock pin
988.The inner end of first lock pin is equipped with insertion guide head 989.
When original state, internal and external threads pipeline section links together under the action of automatic mounting mechanism 98 with external screw thread pipeline section
It is unable to continuous rotation.
The second tube head 99 is sealably coupled to the process on the first tube head 90 in the present embodiment are as follows: in the second tube head of rotation makes
External screw thread pipeline section is screwed into internal screw thread pipeline section, and the first lock is squeezed when same positioning step 92 abuts together when internal and external threads section is screwed to
Pin 982 and the first lock pin is inside contracted, the result that the first lock pin inside contracts be the first lock pin insertion solution lockhole 988 in and drive second
Lock pin is inside contracted and is disengaged from annular lock groove 985, and then external screw thread pipeline section can be rotated relative to internal and external threads pipeline section after disengagement.This
The first lock pin stretches out spring 983 in the process and the second lock pin stretches out 987 energy storage of spring.Further the second tube head 99 of rotation arrives outer spiral shell
Line pipeline section is fully inserted into internal screw thread pipeline section and makes seal assembly 97 that second tube head 99 and the first tube head are sealedly connected on one
It rises.The specific seal process of seal assembly are as follows: sealing ring 973 is inserted into annular groove 971 and seals annular pressure bladder 972, so that
Ring packing air bag is deformed to seal up.Ring packing air bag is the same as close to be bonded together by glue between annular groove
It seals.Sealing ring is made with the contact surface between sealing ring to be the curved surface of structure of turning back under the action of ring packing teeth 974,
To play the role of improving sealing effect.
The method that the present invention is attached two pipelines are as follows: by 1 sealing welding of a root canal road in the another of the first tube head
On end, by another 2 sealing welding of root canal road on the other end of the second tube head.
Claims (4)
1. a kind of pipe joint structure, which is characterized in that including the first tube head and the second tube head, one end of first tube head is set
There are internal screw thread pipeline section and the positioning step positioned at internal screw thread pipeline section inner end, one end of second tube head is equipped with external screw thread pipeline section,
The internal and external threads pipeline section being set on external screw thread pipeline section, the internal and external threads pipeline section spiral shell are threaded on the external screw thread pipeline section
Line is connected in the internal screw thread pipeline section and the second tube head and the first tube head links together, and the internal screw thread pipeline section is the same as described
External screw thread pipeline section is sealed connected together by seal assembly, and the external screw thread pipeline section and internal and external threads pipeline section are accommodated in institute completely
It states in internal screw thread pipeline section, one end of separate second tube head of the external screw thread pipeline section and internal and external threads pipeline section are close to the second tube head
It is linked together between one end by automatic mounting mechanism.
2. pipe joint structure according to claim 1, which is characterized in that the outer end of the internal screw thread pipeline section is equipped with major diameter
Section and form the first sealed step, form the second sealed step between the external screw thread pipeline section and the second tube head, the sealing is total
At the annular groove along the circumferentially extending of the second tube head including being arranged in second sealed step, the ring packing in annular groove
The sealing ring of air bag and the circumferentially extending along internal screw thread pipeline section being arranged in first sealed step, the sealing ring can
Wear the ring packing air bag is squeezed in the annular groove and the ring packing air bag is deformed and by the first sealing station
Rank and the second sealed step are sealed connected together, and second tube head is inserted into the major diameter section.
3. pipe joint structure according to claim 2, which is characterized in that if the sealing ring is equipped with arterial highway and successively covers
It is located at ring packing teeth together, circumferentially extending of the ring packing teeth along internal screw thread pipeline section.
4. pipe joint structure according to claim 1, which is characterized in that the automatic mounting mechanism is including setting
The first lock pin projecting shaft of axial direction jack on the inner face of external screw thread pipeline section, the first lock pin being threaded through in axial direction jack and driving
Spring is stretched out to the first lock pin of the inner face of jack, the axial direction jack is equipped with the inner peripheral surface of inside and outside screw thread pipeline section
Radial jack, be arranged on the outer peripheral surface of external thread section can be with radial receptacle alignment and along the annular of external thread section circumferentially extending
The second lock pin that lock groove, the second lock pin being threaded through in radial jack and the second lock pin of driving are inserted into annular lock groove stretches out
Spring, second lock pin are equipped with the solution lockhole with the alignment of the first lock pin, and the inner end of first lock pin is equipped with insertion guide head.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811482689.0A CN109681702B (en) | 2018-12-05 | 2018-12-05 | Pipe joint structure |
| CN202010370378.6A CN111503388A (en) | 2018-12-05 | 2018-12-05 | Pipe joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811482689.0A CN109681702B (en) | 2018-12-05 | 2018-12-05 | Pipe joint structure |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010370378.6A Division CN111503388A (en) | 2018-12-05 | 2018-12-05 | Pipe joint structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109681702A true CN109681702A (en) | 2019-04-26 |
| CN109681702B CN109681702B (en) | 2020-07-03 |
Family
ID=66186455
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010370378.6A Withdrawn CN111503388A (en) | 2018-12-05 | 2018-12-05 | Pipe joint structure |
| CN201811482689.0A Active CN109681702B (en) | 2018-12-05 | 2018-12-05 | Pipe joint structure |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010370378.6A Withdrawn CN111503388A (en) | 2018-12-05 | 2018-12-05 | Pipe joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN111503388A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111204911A (en) * | 2020-02-23 | 2020-05-29 | 深圳市久大轻工机械有限公司 | Water production equipment without scale inhibitor and water production process |
| CN116066637A (en) * | 2023-03-14 | 2023-05-05 | 上海海隆石油钻具有限公司 | Steel pipe threaded joint with sealing device in threaded part |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116293153B (en) * | 2023-05-11 | 2023-07-18 | 山东中自仪测控技术有限公司 | Pipeline connection structure of pressure transmitter |
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| US20160032569A1 (en) * | 2014-07-30 | 2016-02-04 | Ou Pi Sheng Co., Ltd. | Tap and an adapter thereof |
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| CN207246603U (en) * | 2017-06-28 | 2018-04-17 | 贵州航天凯山石油仪器有限公司 | A kind of structure of the anti-thread gluing of screw thread |
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2018
- 2018-12-05 CN CN202010370378.6A patent/CN111503388A/en not_active Withdrawn
- 2018-12-05 CN CN201811482689.0A patent/CN109681702B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050073149A1 (en) * | 2003-10-02 | 2005-04-07 | Guo Wen Li | Coupler assembly for spraying devices |
| CN202812533U (en) * | 2012-10-09 | 2013-03-20 | 何国顺 | Pipe fitting connection structure |
| CN203404513U (en) * | 2013-08-15 | 2014-01-22 | 浙江志达管业有限公司 | Connecting pipe fitting |
| US20160032569A1 (en) * | 2014-07-30 | 2016-02-04 | Ou Pi Sheng Co., Ltd. | Tap and an adapter thereof |
| CN204942813U (en) * | 2015-07-16 | 2016-01-06 | 慈溪市宗汉中正快速接头厂（普通合伙） | A kind of transit joint |
| CN105333245A (en) * | 2015-11-26 | 2016-02-17 | 重庆维斯顿实业有限公司 | Sealing type pipeline connecting system |
| CN205424169U (en) * | 2015-11-26 | 2016-08-03 | 重庆维斯顿实业有限公司 | Pipeline structure is connected to leak protection type |
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| CN207527166U (en) * | 2017-11-02 | 2018-06-22 | 中国航发哈尔滨东安发动机有限公司 | A kind of seal washer sealing structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111204911A (en) * | 2020-02-23 | 2020-05-29 | 深圳市久大轻工机械有限公司 | Water production equipment without scale inhibitor and water production process |
| CN116066637A (en) * | 2023-03-14 | 2023-05-05 | 上海海隆石油钻具有限公司 | Steel pipe threaded joint with sealing device in threaded part |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111503388A (en) | 2020-08-07 |
| CN109681702B (en) | 2020-07-03 |
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