CN106322015B - A kind of clamping hoop type assembling pipe joint - Google Patents
A kind of clamping hoop type assembling pipe joint Download PDFInfo
- Publication number
- CN106322015B CN106322015B CN201510387250.XA CN201510387250A CN106322015B CN 106322015 B CN106322015 B CN 106322015B CN 201510387250 A CN201510387250 A CN 201510387250A CN 106322015 B CN106322015 B CN 106322015B
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- thread
- frame body
- ring
- screw thread
- sealing
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Classifications
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- 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
- F16L21/00—Joints with sleeve or socket
- F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
- F16L21/065—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends tightened by tangentially-arranged threaded pins
-
- 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
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/14—Joints for pipes of different diameters or cross-section
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a kind of clamping hoop type assembling pipe joint, including outer housing and sealing device, outer housing is made of the first hemizonid and the second hemizonid, and the sealing device is made of threaded frame body, two thread-locking rings and at least two sealing rings；Described two thread-locking rings are connect with threaded frame body by nonstandard steep-pitch thread；Sealing surface of two sides of sealing ring respectively with the inner face of thread-locking ring and threaded frame body offsets；The stable assembling pipe joint of simple, easy for installation, good seal performance that this application provides a kind of structures, fastness.
Description
Technical field
The present invention relates to a kind of pipeline transport systems, and in particular to a kind of clamping hoop type assembling pipe joint.
Background technique
In the large-scale compressed air or fluid piping system, it usually needs compared with the transfer pipeline and small diameter tube of Large Diameter Pipeline
Transfer pipeline is used cooperatively, and can use small-sized pipe fitting for small diameter tube, but such pipe fitting is not suitable for compared with Large Diameter Pipeline
Pipeline, because its bonding strength is unable to satisfy the requirement compared with Large Diameter Pipeline pipeline.
For the attachment device compared with Large Diameter Pipeline pipeline, flange form connection is generallyd use at present, needs to carry out site welding, so
After carry out leak-testing, if weld seam have the welding defects such as slag inclusion needs do over again, to in-site installation, worker has higher requirements, installation
Inefficiency, it is not easy to disassemble；In the prior art, another common assembling pipe joint is made of outer housing and sealing device,
Its sealing device is made of annular frame, two pressure rings and two " O " shape sealing rings, passes through annular cambered surface, annular slope or
The effect of three annular slopes, " O " shape sealing ring is inwardly projecting, is in close contact " O " shape sealing ring and fluid delivery tube pipeline outer wall,
Realize the sealed connection and positioning of pipeline；The sealing effect and fastness of this mode be not in practical applications it is highly desirable,
Because its malformation is limited in scope, a sealing ring can only be put, in addition, when installation needs because two pressure ring is plastic material
, easily there is the problem of fragmentation, and structure is complicated at low temperatures in external force locking, at high cost.
Summary of the invention
In view of the problems of the existing technology, this application provides a kind of sealing effects, and good, at low cost and secured performance is steady
Fixed clamping hoop type assembling pipe joint.Specific technical solution is as follows.
The application provides a kind of clamping hoop type assembling pipe joint, which includes outer housing (12) and sealing device (7), outside
Shell is made of the first hemizonid (1) and the second hemizonid (2), and the first hemizonid (1) and the second hemizonid (2) pass through locking structure
Part connection, is respectively equipped with semi-circular mounting groove (103), two and half in the inner sidewall of the first hemizonid (1) and the second hemizonid (2)
Ring body forms annular mounting groove after closing up, sealing device is located in annular mounting groove, the two sides difference of semi-circular mounting groove (103)
Equipped with annular slope (102), the sealing device is by threaded frame body (3), two thread-locking rings (4) and at least two sealings
(5) are enclosed to constitute；The outside of described two thread-locking rings (4) is equipped with retaining ring screw thread (42)；The two of the threaded frame body (3)
End inside is respectively equipped with frame body screw thread (32), and thread-locking ring (4) and threaded frame body (3) pass through retaining ring screw thread (42) and frame
Body screw thread (32) connection, the retaining ring screw thread (42) and frame body screw thread (32) are the screw thread of nonstandard big screw pitch, retaining ring spiral shell
The distance between the flank (43) of line (42) and the adjacent flank (33) of frame body screw thread (32) are at least 1 times of sealing ring
(5) efficient deformation distance；Two sides of sealing ring (5) respectively with the inner face (41) of thread-locking ring (4) and threaded
The sealing surface (31) of frame body (3) offsets.
Preferably, the outer end face (44) of thread-locking ring (4) described herein is inclined-plane, the outer end face (44) and the
One hemizonid (1) is parallel with the second hemizonid (2) annular slope (102), can guarantee outer end face (44) and annular slope in this way
(102) whole gluing, sealings improve fastness and leakproofness.
Preferably, it is equipped between the inner face (41) and retaining ring screw thread (42) of thread-locking ring (4) described herein
Annular convex platform (45), the non-threaded lower end surface (34) of the annular convex platform (45) insertion screw thread frame body, annular convex platform (45) it is interior
End face (46), the i.e. inner face (41) of thread-locking ring (4) offset with sealing ring (5).
The multiple that the number of sealing ring (5) described herein is 2, preferably four or six.When there is multiple sealing rings
When, it is preferable that seal stopper ring is equipped between the sealing ring, the impact for reducing fluid to sealing ring extends sealing ring
Service life.
Preferably, the spiral shell of the flank (43) of retaining ring screw thread (42) described herein and adjacent frame body screw thread (32)
The distance between line face (33) is the efficient deformation distance of 1.5 times of sealing rings (5).
Preferably, locking member described herein is bolt (8) and nut (9), and outer housing is equipped with bolt hole (81).
In actual application, sealing device is covered at the pipe fitting of two pipelines (6) first, i.e., by screw thread frame body
(3) and its sealing ring of two sides (5), thread-locking ring (4) cover at the pipe fitting of two pipelines.Thread-locking ring (4) and band
The screw thread of screw thread frame body (3) be nonstandard big screw pitch helicitic texture, thread-locking ring (4) in precession on threaded frame body (3),
The face thread-locking ring inner face (41) that thread-locking ring (4) is contacted with sealing ring (5) pushes sealing ring (5) to enter threaded frame
In body (3), after pushing the sealing surface 31 of sealing ring 5 and threaded frame body 3 to contact, by flank (43) in threaded frame body
(3) power that precession generates on the flank (33) on squeezes sealing ring (5), and sealing ring (5) is made to generate effective sealing deformation；It is close
Seal the gap between threaded frame body (3) and pipeline (6).When the ring inner face (47) and screw thread frame body of thread-locking ring (4)
(3) when outer end face (36) offsets, sealing ring (5) reaches maximum sealing deformation, and thread-locking ring (4) can not be promoted, be protected close
Seal (5) will not deform failure.When the sealing ring (5) in sealing device reaches efficient deformation, the first the half of outer housing
Ring body (1) and (2) two hemizonid shell of the second hemizonid, which close up inner cavity formation annular mounting groove and entire sealing device, very little
Installation gap.When the sealing ring (5) in sealing device does not reach best available deformation, the screw fastening at sealing device both ends
Tight ring (4) can offset with the annular slope (102) of annular mounting groove two sides, annular slope (102) meeting of annular mounting groove two sides
The outer end face (44) of thread-rolling screw retaining ring (4), flank (43) and adjacent threaded frame body on thread-locking ring (4)
(3) the distance between flank (33) on is preferably greater than the distance of 1.5 times of effective deformation of sealing ring, thread-locking ring (4)
Outer end face (44) be squeezed after, the flank (43) of thread-locking ring (4) and the spiral shell on the threaded frame body (3) being in contact
Line face (33) separation, thread-locking ring (4) are moved along axial direction to threaded frame body (3), the inner face (41) of thread-locking ring (4)
It squeezes sealing ring (5), sealing ring (5) is made to generate effective sealing deformation.When sealing device is placed in annular mounting groove, just
Guarantee that sealing ring (5) generate effective sealing deformation, seals up the gap between threaded frame body (3) and pipeline (6).
After the locking of entire sealing device, the gap of sealing ring (5) sealing pipeline (6) and threaded frame body (3), screw fastening
Tight ring (4) is in impaction state.The outer end face (44) of thread-locking ring (4) is closed with the first hemizonid (1) and the second hemizonid (2)
Close the installation gap that the annular mounting groove formed has very little.Preferably, when thread-locking ring (4) outer end face (44) be inclined-plane,
And outer end face (44) with the first hemizonid (1) and parallel the second hemizonid (2) annular slope (102) when, thread-locking ring (4)
It can be bonded completely between the annular mounting groove that outer end face (44) is formed with the first hemizonid (1) with the second hemizonid (2) closure,
Almost without gap, the fastness and leakproofness of sealing device ensure that.When the first hemizonid and the second hemizonid are closed clamping
When pipeline, external force is not applied to sealing device.
When attachment device loosens thread-locking ring (4) because shaking, expanding with heat and contract with cold etc. in use, because installing gap very little
Or nothing, the annular slope (102) of annular mounting groove can prevent the axial movement of thread-locking ring (4), guarantee sealing effect.
In an installation, when there is little deviation in sealing device position, the side annular slope (102) of annular mounting groove can be squeezed
The outer end face (44) of thread-locking ring (4), the screw thread (42) of thread-locking ring and the screw thread (32) of threaded frame body are nonstandard big
The extruding force of the screw thread of screw pitch, the outer end face (44) of thread-locking ring opens the thread separation being in contact, will not occur screw thread it
Between extruding, the extruding force being subject to is transmitted to sealing ring (5), passes through sealed ring deformation and mobile adjustment sealing device and annular is pacified
The positional relationship of tankage.
In order to increase the sealing effect of sealing ring (5) and using the time, two sides can respectively increase a sealing ring, because of screw thread
The effect that retaining ring (4) is squeezed by screw thread can guarantee the distance of the sealing efficient deformation of two sealing rings.
The utility model has the advantages that the application pipeline connecting device passes through coarse-pitch thread on threaded frame body and thread-locking ring and sealing
The matching design of circle provides a kind of simple structure, easy for installation, good seal performance and the attachment device being connected firmly.
Detailed description of the invention
The detonation configuration figure of Fig. 1 clamping hoop type assembling pipe joint；
The sectional view of Fig. 2 clamping hoop type assembling pipe joint；
The sectional view of Fig. 3 clamping hoop type assembling pipe joint；
The sectional view of the threaded frame body of Fig. 4；
The sectional view of Fig. 5 thread-locking ring；
In figure: the first hemizonid of 1-, the second hemizonid of 2-, the threaded frame body of 3-, 4- thread-locking ring, 5- sealing ring, 6-
Pipeline, 7- sealing device, 8- bolt, 9- nut, 102- annular slope, 103- semi-circular mounting groove, the threaded frame body of 31- it is close
Cover, the threaded frame body screw thread of 32-, the flank of the threaded frame body screw thread of 33-, the non-threaded lower end surface of 34- screw thread frame body,
The outer end face of the threaded frame body of 36-, the inner face of 41- thread-locking ring, the screw thread of 42- thread-locking ring, 43- thread-locking ring
The flank of screw thread, the outer end face of 44- thread-locking ring, 45- annular convex platform, the inner face of 46- annular convex platform, 47- screw fastening
The ring inner face of tight ring, 81- bolt hole.
Specific embodiment
The application is further explained with reference to the accompanying drawing.
It is as shown in Figs. 1-3 the structural schematic diagram of clamping hoop type assembling pipe joint provided by the present application, it can from figure
Out, shown attachment device includes outer housing and sealing device 7, and outer housing is made of the first hemizonid 1 and the second hemizonid 2, the
One hemizonid 1 and the second hemizonid 2 are connected by bolt 8 and nut 9, in the inner sidewall of the first hemizonid 1 and the second hemizonid 2
It is respectively equipped with semi-circular mounting groove 103, two hemizonids form annular mounting groove after closing up, sealing device 7 is located at annular installation
In slot, the two sides of semi-circular mounting groove 103 are respectively equipped with annular slope 102；The sealing device 7 includes threaded frame body 3, two
A thread-locking ring 4 and two sealing rings 5；The inside of described two thread-locking rings 4 is equipped with retaining ring screw thread 42；The band spiral shell
The both ends of line frame body 3 are respectively equipped with frame body screw thread 32, and thread-locking ring 4 and threaded frame body 3 pass through retaining ring screw thread 42 and frame
The connection of body screw thread 32, the retaining ring screw thread 42 and frame body screw thread 32 are the screw thread of nonstandard big screw pitch, retaining ring screw thread 42
The distance between flank 43 and the adjacent flank 33 of frame body screw thread 32 be preferably 1.5 times of sealing rings 5 efficient deformation away from
From；Sealing surface 31 of two sides of sealing ring 5 respectively with the inner face 41 of thread-locking ring 4 and threaded frame body 3 offsets.
As shown in Figure 3, it is preferable that the outer end face 44 of thread-locking ring 4 described herein is inclined-plane, the outer end face 44
It is parallel with the first hemizonid 1 and 2 annular slope 102 of the second hemizonid；Preferably, thread-locking ring 4 described herein is interior
Annular convex platform 45 is equipped between end face 41 and retaining ring screw thread 42, the annular convex platform 45 is inserted into the non-threaded lower end of screw thread frame body
Face 34, the inner face 46 of annular convex platform 45, the i.e. inner face 41 of thread-locking ring 4 offset with sealing ring 5.In order to increase sealing ring
5 sealing effect is with using the time, and two sides can respectively increase a sealing ring, the work squeezed by thread-locking ring 4 by screw thread
With, can guarantee two sealing rings sealing efficient deformation distance.
In practical application installation, sealing device is covered at the pipe fitting of two pipelines 6 first, i.e., by screw thread frame body 3
And its 4 sets of sealing ring 5, the thread-locking ring of two sides is at the pipe fitting of two pipelines.Thread-locking ring 4 and threaded frame body 3
Screw thread be nonstandard big screw pitch helicitic texture, thread-locking ring 4 in precession on threaded frame body 3, thread-locking ring 4 with it is close
The face thread-locking ring inner face 41 that seal 5 contacts pushes sealing ring 5 to enter in threaded frame body 3, when promotion sealing ring 5 and band
After the sealing surface 31 of screw thread frame body 3 contacts, the inner face 41 of thread-locking ring 4 is by flank 43 on threaded frame body 3
The power that precession generates on flank 33 squeezes sealing ring 5, and sealing ring 5 is made to generate effective sealing deformation；Seal up threaded frame
Gap between body 3 and pipeline 6.When the outer end face 36 of the ring inner face 47 of thread-locking ring 4 and threaded frame body 3 offsets,
Sealing ring 5 reaches maximum sealing deformation, and thread-locking ring 4 can not promote, and protection sealing ring 5 will not deform failure.When close
When sealing ring 5 in seal apparatus reaches efficient deformation, 2 liang of hemizonid shells of the first hemizonid 1 and the second hemizonid of outer housing
Close up the installation gap that inner cavity forms annular mounting groove and entire sealing device has very little.When the sealing ring 5 in sealing device does not have
Have when reaching best available deformation, the thread-locking ring 4 at 7 both ends of sealing device can and annular mounting groove two sides annular slope
102 offset, the outer end face 44 of the meeting thread-rolling screw retaining ring 4 of annular slope 102 of annular mounting groove two sides, on thread-locking ring 4
The distance between flank 43 and flank 33 on adjacent threaded frame body 3 preferably greater than 1.5 times of sealing rings it is effective
The distance of deformation, after the outer end face 44 of thread-locking ring 4 is squeezed, the flank 43 of thread-locking ring 4 and threaded frame body 3
On the flank 33 that is in contact separate, thread-locking ring 4 is moved along axial direction to threaded frame body 3, the inner face of thread-locking ring 4
41 squeeze sealing ring 5, and sealing ring 5 is made to generate effective sealing deformation.When sealing device is placed in annular mounting groove, just protect
Card sealing ring 5 generates effective sealing deformation, seals up the gap between threaded frame body 3 and pipeline 6.
Figure 4 and 5 are respectively the structural schematic diagram of threaded frame body 3 and thread-locking ring 4.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art within the technical scope of the present disclosure, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of clamping hoop type assembling pipe joint, which includes outer housing and sealing device, and outer housing is by the first hemizonid (1)
It is constituted with the second hemizonid (2), the first hemizonid (1) is connected with the second hemizonid (2) by locking member, in the first hemizonid
(1) it is respectively equipped with semi-circular mounting groove (103) with the inner sidewall of the second hemizonid (2), two hemizonids form annular after closing up
Mounting groove, sealing device are located in annular mounting groove, and the two sides of semi-circular mounting groove (103) are respectively equipped with annular slope (102),
It is characterized in that, the sealing device is by threaded frame body (3), two thread-locking rings (4) and at least two sealing rings (5) structure
At；The outside of described two thread-locking rings (4) is equipped with retaining ring screw thread (42)；On the inside of the both ends of the threaded frame body (3)
It is respectively equipped with frame body screw thread (32), thread-locking ring (4) and threaded frame body (3) pass through retaining ring screw thread (42) and frame body screw thread
(32) connection, the retaining ring screw thread (42) and frame body screw thread (32) are the screw thread of nonstandard big screw pitch, retaining ring screw thread (42)
The distance between flank (43) and the adjacent flank (33) of frame body screw thread (32) be at least 1 times sealing ring (5) and have
Imitate deformation distance；The two sides of sealing ring (5) are close with the inner face (41) of thread-locking ring (4) and threaded frame body (3) respectively
Cover (31) offsets；The outer end face (44) of the thread-locking ring (4) is inclined-plane, the outer end face (44) and the first hemizonid
(1) parallel with the second hemizonid (2) annular slope (102)；The inner face (41) and retaining ring screw thread of the thread-locking ring (4)
(42) annular convex platform (45) are equipped between, the non-threaded lower end surface (34) of annular convex platform (45) the insertion screw thread frame body, annular
The inner face (46) of boss (45), the i.e. inner face (41) of thread-locking ring (4) offset with sealing ring (5).
2. a kind of clamping hoop type assembling pipe joint according to claim 1, which is characterized in that of the sealing ring (5)
The multiple that number is 2.
3. a kind of clamping hoop type assembling pipe joint according to claim 1, which is characterized in that the retaining ring screw thread (42)
The distance between flank (43) and the adjacent flank (33) of frame body screw thread (32) be the effective of 1.5 times of sealing rings (5)
Deformation distance.
4. a kind of clamping hoop type assembling pipe joint according to claim 2, which is characterized in that be equipped between the sealing ring
Seal stopper ring.
5. a kind of clamping hoop type assembling pipe joint according to claim 1, which is characterized in that the locking member is bolt
(8) and nut (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510387250.XA CN106322015B (en) | 2015-06-30 | 2015-06-30 | A kind of clamping hoop type assembling pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510387250.XA CN106322015B (en) | 2015-06-30 | 2015-06-30 | A kind of clamping hoop type assembling pipe joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106322015A CN106322015A (en) | 2017-01-11 |
| CN106322015B true CN106322015B (en) | 2019-03-29 |
Family
ID=57728196
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510387250.XA Active CN106322015B (en) | 2015-06-30 | 2015-06-30 | A kind of clamping hoop type assembling pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106322015B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110726017B (en) * | 2019-09-23 | 2021-06-15 | 川消消防工程有限公司 | Fire-fighting pipe fitting and connecting structure thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2061453A1 (en) * | 1970-12-14 | 1972-06-22 | Wagner G | |
| DE3631027A1 (en) * | 1986-09-12 | 1988-03-24 | Raimund Andris | Pipe connection |
| CN2252928Y (en) * | 1996-08-12 | 1997-04-23 | 周智刚 | Multi-screw large screw-pitch fast pipe joint |
| CN1359457A (en) * | 1999-05-14 | 2002-07-17 | 赫普沃思建筑产品有限公司 | Pipe fitting |
| JP2004316749A (en) * | 2003-04-15 | 2004-11-11 | Denso Corp | Coupling structure of piping |
| JP2013113369A (en) * | 2011-11-29 | 2013-06-10 | Meiwa Kogyo Kk | Pipe line connecting structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2840667A1 (en) * | 2002-06-07 | 2003-12-12 | Legris Sa | MEANS FOR CONNECTING TWO DRIVING ELEMENTS |
-
2015
- 2015-06-30 CN CN201510387250.XA patent/CN106322015B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2061453A1 (en) * | 1970-12-14 | 1972-06-22 | Wagner G | |
| DE3631027A1 (en) * | 1986-09-12 | 1988-03-24 | Raimund Andris | Pipe connection |
| CN2252928Y (en) * | 1996-08-12 | 1997-04-23 | 周智刚 | Multi-screw large screw-pitch fast pipe joint |
| CN1359457A (en) * | 1999-05-14 | 2002-07-17 | 赫普沃思建筑产品有限公司 | Pipe fitting |
| JP2004316749A (en) * | 2003-04-15 | 2004-11-11 | Denso Corp | Coupling structure of piping |
| JP2013113369A (en) * | 2011-11-29 | 2013-06-10 | Meiwa Kogyo Kk | Pipe line connecting structure |
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| Publication number | Publication date |
|---|---|
| CN106322015A (en) | 2017-01-11 |
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