CN103398244A - Anti-loose movable pipe connecting device - Google Patents
Anti-loose movable pipe connecting device Download PDFInfo
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- CN103398244A CN103398244A CN201310338014XA CN201310338014A CN103398244A CN 103398244 A CN103398244 A CN 103398244A CN 201310338014X A CN201310338014X A CN 201310338014XA CN 201310338014 A CN201310338014 A CN 201310338014A CN 103398244 A CN103398244 A CN 103398244A
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- fastening piece
- bolt
- nut
- packing ring
- insertion end
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Abstract
The invention provides an anti-loose movable pipe connecting device which comprises a bolt, a fastening piece, a gasket and a nut, wherein external convex threads are arranged at one end of the bolt, at least one slot position is formed in the external convex threads in the axial direction of the bolt, a pipe connecting port is formed in the other end of the bolt, a flange is arranged at one end of the fastening piece, at least one slot position is formed in the flange in the axial direction of the fastening piece, a pipe connecting port is formed in the other end of the fastening piece, the gasket is provided with at least one inserting end, the nut is provided with internal threads, the fastening piece is connected with the bolt, the gasket is matched with the fastening piece through an inner ring of the gasket and is tightly attached to the flange of the fastening piece, the inserting ends of the gasket are inserted into the slot positions of the fastening piece and into the slot positions of the bolt, and the nut is screwed into the bolt through the internal threads. According to the anti-loose movable pipe connecting device, the gasket with the inserting ends is installed between the fastening piece and the nut, the inserting ends of the gasket are positioned in corresponding slots of the connecting bolt, the fastening piece and the fastening nut, therefore, the relative positions of the connecting bolt, the fastening piece and the fastening nut are fixed reliably, and the anti-disengaging purpose is achieved.
Description
Technical field
The present invention relates to the movable connecting pipe device, particularly locking movable connecting pipe device.
Background technique
Be widely used union in various industry or civil area, in order to connect the pipeline of normal pressure or bearing certain pressure.
Because the intermittence of pipeline bearing medium is mobile, or the impact in pipeline external ambient vibration source, the connection fastening means of union is also unreliable, and the factor analysis such as its unfailing performance and its Placement, threaded pre-tightening power, especially under long-time running or moment overload impact, easily cause union to get loose, produce the leakage accident.
Therefore, in order to prevent getting loose of union, the normal use as sealing raw meal belt, welding or tackiness agent etc.
The mode that adopt to increase frictional force is locking, as raw meal belt, tackiness agent etc., also not fully reliable under certain temperature or pressure, when use as medium to material than more sensitive occasion, can produce inapplicable problem; Welding is more a kind of mode, but can increase extra installment work time and expense, and, for the frequent occasion of mounting or dismounting of needs, also can cause the rough sledding such as parts depreciation.
Summary of the invention
The object of the present invention is to provide a kind of connection reliable, implement simple locking movable connecting pipe device.
In order to solve the problems of the technologies described above, the invention provides a kind of locking movable connecting pipe device, comprise bolt, fastening piece, packing ring and nut, an end of described bolt has outer convex thread, outside on convex thread along bolt axis to having at least one groove position, the other end of described bolt is for taking over mouthful; One end of described fastening piece is provided with flange, and along fastener shaft to offering at least one groove position, the other end of described fastening piece is for taking over mouth on flange; Described packing ring has at least one insertion end; Described nut has internal thread;
Described fastening piece is connected with described bolt; Described packing ring coordinates and is close to the flange of fastening piece by ring in it and described fastening piece, the insertion end of described packing ring is inserted the groove position of fastening piece and the groove position of bolt; Described nut screws in bolt by internal thread.
Preferably, an end of described nut has recessed at least one groove to body, screws direction along nut at least one groove of nut is alignd with the insertion end of packing ring, and the insertion end of packing ring is inserted the groove of nut.
With respect to prior art, the present invention has following beneficial effect:
1, insert the groove position of fastening piece and the groove position of bolt by the insertion end of packing ring, thereby make both relative positions fixing reliably, reach locking purpose.
2, the insertion end by packing ring is inserted in the groove of the groove position of groove position, bolt of fastening piece and nut, makes the relative position that makes the three of fastening piece, bolt, nut fixing reliably, reaches and makes locking effect better.
3, locking movable connecting pipe device of the present invention is when implementing operation, be not subjected to the restriction in pipeline execute-in-place space, and strong to the applicability of the service conditions such as temperature, corrosive medium, especially for need to repeatedly installing and removing the occasion of maintenance, remove the requirement as specialty operations such as welding, coating adhesives from, enforcement is simple and anti-loosing effect is reliable.
Description of drawings
Figure 1A is locking according to an embodiment of the invention each perspective part-view of movable connecting pipe device;
Figure 1B is locking according to an embodiment of the invention movable connecting pipe device installation diagram;
Fig. 2 is packing ring unfolded drawing according to an embodiment of the invention.
Embodiment
Explain the present invention below by embodiment.Referring to Figure 1A, Figure 1B, Fig. 2.
Embodiment one
Locking movable connecting pipe device, comprise bolt 10, fastening piece 20, packing ring 40, nut 30, and described bolt one end has outer convex thread 14, outside on convex thread along bolt axis to having at least one groove position 14-1, the other end of bolt is to take over mouthfuls 13; One end of described fastening piece is provided with flange 22, offers at least one groove position 22-1 on flange, and the other end of fastening piece 20 is to take over mouth 21; Described packing ring has at least one insertion end 42; Described nut has internal thread 32;
Described fastening piece 20 is connected with described bolt 10; Described packing ring 40 coordinates and is close to the flange 22 of fastening piece by interior ring 41 and described fastening piece 20, the insertion end 42 of described packing ring is inserted the groove position 22-1 of fastening piece and the groove position 14-1 of bolt; Described nut 30 screws in bolt 10 by internal thread 32.
Preferably, groove bit position layout, the quantity of described bolt, described fastening piece are consistent with the packing ring insertion end.
Embodiment two
Embodiment two is in the further improvement of implementing on.
Locking movable connecting pipe device, comprise bolt 10, fastening piece 20, packing ring 40, nut 30, and described bolt one end has outer convex thread 14, outside on convex thread 14 along bolt axis to having at least one groove position 14-1, the other end of bolt is to take over mouthfuls 13; One end of described fastening piece 20 is provided with flange 22, offers at least one groove position 22-1 on flange, and the other end of fastening piece 20 is to take over mouth 21; Described packing ring has at least one insertion end 42; Described nut 30 has internal thread 32, and an end of described nut has recessed at least one groove 32-1 to body;
Described fastening piece 20 is connected with described bolt 10; Described packing ring 40 coordinates and is close to the flange 22 of fastening piece by interior ring 41 and described fastening piece 20, the insertion end 42 of described packing ring 40 is inserted the groove position 22-1 of fastening piece and the groove position 14-1 of bolt; Described nut 30 screws in bolt 10 by internal thread 32, screws direction along nut 30 at least one groove 32-1 of nut is alignd with the insertion end 42 of packing ring, and the insertion end 42 of packing ring is inserted in the groove 32-1 of nut.
Preferably, the insertion end 42-1 of packing ring is stretched out the groove 32-1 of nut 30, so that mounting or dismounting.
Preferably, the quantity of the groove 32-1 of nut is more than the quantity of the insertion end 42 of packing ring, and is evenly arranged.
Preferably, the quantity of the groove 32-1 of nut is more than the quantity of the insertion end 42 of packing ring, and is evenly arranged, and making nut only need rotate less angle can align with the insertion end of packing ring, described less Jiao Du＜=15 °.
Preferably, the insertion end 42 of packing ring is symmetrical radial distribution, has at least a pair of insertion end to insert simultaneously in the corresponding recesses of nut.
Layout and the quantity of the insertion end 42 of packing ring can have various ways.
Insertion end can be crooked after groove position or the direct groove position of inserting bolt and fastening piece of inserting bolt and fastening piece, this reset condition with insertion end is relevant, and (for example, insertion end is (as shown in Figure 2) of launching, and is inserting after flexible; Insertion end, perpendicular to the packing ring body, both can directly be inserted); Whether insertion end can directly insert the groove of nut, whether carries out in advance bending with the front end of insertion end relevant.No matter the insertion end of packing ring is directly inserted, or inserts after bending again, does not affect the enforcement of this programme, and only the reset condition with insertion end is relevant.
Preferably, the outer convex thread 14 1 end ends of bolt are provided with sealing cone 15, and flange 22 ends of fastening piece are provided with sealing cone 23 accordingly.
Preferably, in nut the length of effectively full pitch thread more than or equal to, described bolt with after described fastening piece is connected, the thickness three sum of the length of the full pitch thread of the outer convex thread 14 of bolt, the thickness of flange 22 and packing ring 40.
Preferably, described bolt has outer anistree structure 12, and described nut has outer anistree structure 31, so that when mounted, jointly produces lashing force.
Preferably, the material of described packing ring is any in structural carbon steel, alloy steel or stainless steel.
Preferably, described packing ring exchanges part as standard,, in the occasion of often installing and removing, can change easily, and not affect sealing structure and locking reliability originally.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also change and revise above-mentioned mode of execution.Therefore, the present invention is not limited to embodiment disclosed and described above, to modifications and changes more of the present invention, also should fall in the protection domain of claim of the present invention.In addition, although used some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the present invention.
Claims (10)
1. locking movable connecting pipe device, it is characterized in that: comprise bolt, fastening piece, packing ring and nut, an end of described bolt has outer convex thread, outside on convex thread along bolt axis to having at least one groove position, the other end of described bolt is for taking over mouthful; One end of described fastening piece is provided with flange, and along fastener shaft to offering at least one groove position, the other end of described fastening piece is for taking over mouth on flange; Described packing ring has at least one insertion end; Described nut has internal thread;
Described fastening piece is connected with described bolt; Described packing ring coordinates and is close to the flange of fastening piece by ring in it and described fastening piece, the insertion end of described packing ring is inserted the groove position of fastening piece and the groove position of bolt; Described nut screws in bolt by internal thread.
2. locking movable connecting pipe device according to claim 1, it is characterized in that: an end of described nut has recessed at least one groove to body, screw direction along nut at least one groove of nut is alignd with the insertion end of packing ring, the insertion end of packing ring is inserted in the groove of nut.
3. locking movable connecting pipe device according to claim 2, it is characterized in that: the insertion end of packing ring is stretched out the groove of nut.
4. according to claim 1-3 described locking movable connecting pipe devices of any one, it is characterized in that: layout, the quantity of the groove position of described bolt and the groove position of described fastening piece are consistent with the insertion end of packing ring.
5. according to claim 1-3 described locking movable connecting pipe devices of any one, it is characterized in that: described bolt is provided with sealing cone at the connecting end with described fastening piece, and described fastening piece is provided with corresponding sealing cone at the connecting end with described bolt.
6. according to claim 1-3 described locking movable connecting pipe devices of any one, it is characterized in that: in nut, the length of effectively full pitch thread is equal to or greater than, described bolt is with after described fastening piece is connected, the thickness three sum of the thickness of the length of the externally threaded full pitch thread of bolt, fastening piece upper flange and packing ring.
7. according to claim 1-3 described locking movable connecting pipe devices of any one, it is characterized in that: described bolt has outer anistree structure, and described nut has outer anistree structure.
8. according to claim 1-3 described locking movable connecting pipe devices of any one, it is characterized in that: the material of described packing ring is any in structural carbon steel, alloy steel or stainless steel.
9. according to claim 2 or 3 described locking movable connecting pipe devices of any one, it is characterized in that: the insertion end of packing ring is symmetrical radial distribution, has at least a pair of insertion end to insert simultaneously in the corresponding recesses of nut.
10. according to claim 2 or 3 described locking movable connecting pipe devices of any one is characterized in that: the quantity of the groove of nut is more than the quantity of the insertion end of packing ring, and is evenly arranged, and described nut only need rotate Jiao Du＜=15 ° and namely with the insertion end of packing ring, align.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310338014.XA CN103398244B (en) | 2013-08-05 | 2013-08-05 | Locking movable connecting pipe device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310338014.XA CN103398244B (en) | 2013-08-05 | 2013-08-05 | Locking movable connecting pipe device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103398244A true CN103398244A (en) | 2013-11-20 |
| CN103398244B CN103398244B (en) | 2015-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310338014.XA Active CN103398244B (en) | 2013-08-05 | 2013-08-05 | Locking movable connecting pipe device |
Country Status (1)
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|---|---|
| CN (1) | CN103398244B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949779A (en) * | 2017-04-28 | 2017-07-14 | 上海金由氟材料股份有限公司 | A kind of PTFE heat exchangers with PTFE heat exchanger tube flushers |
| CN106949780A (en) * | 2017-04-28 | 2017-07-14 | 上海金由氟材料股份有限公司 | A kind of flush pipe for being used in heat exchanger clean PTFE heat exchanger tubes |
| CN108953790A (en) * | 2018-08-24 | 2018-12-07 | 中国航发沈阳发动机研究所 | A kind of anti-pipe fitting release |
| CN109268590A (en) * | 2018-08-24 | 2019-01-25 | 中国航发沈阳发动机研究所 | A kind of pipe fitting anti-loosing device |
| CN110056723A (en) * | 2019-05-08 | 2019-07-26 | 中国航发湖南动力机械研究所 | Locking device and pipeline self-locking connection structure for piping connection |
Citations (8)
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|---|---|---|---|---|
| JPH06323474A (en) * | 1993-05-07 | 1994-11-25 | Takenaka Komuten Co Ltd | Cap nut type pipe joint |
| JP2615282B2 (en) * | 1990-07-05 | 1997-05-28 | 株式会社タブチ | Connection pipe fittings |
| JP2000046272A (en) * | 1998-07-24 | 2000-02-18 | Tabuchi Corp | Joint for soft pipe |
| JP2001054221A (en) * | 1999-08-09 | 2001-02-23 | Sankei Seisakusho:Kk | Cable connector |
| JP3609468B2 (en) * | 1994-11-28 | 2005-01-12 | 古河電気工業株式会社 | Pipe fitting |
| CN201209720Y (en) * | 2008-04-21 | 2009-03-18 | 江克华 | Connecting structure between valve body and fittings |
| KR20110043239A (en) * | 2009-10-21 | 2011-04-27 | 코오롱건설주식회사 | Pipe joint |
| KR20130007756A (en) * | 2011-07-11 | 2013-01-21 | 권영화 | Combining apparatus of two different sockets for resin valve |
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2013
- 2013-08-05 CN CN201310338014.XA patent/CN103398244B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2615282B2 (en) * | 1990-07-05 | 1997-05-28 | 株式会社タブチ | Connection pipe fittings |
| JPH06323474A (en) * | 1993-05-07 | 1994-11-25 | Takenaka Komuten Co Ltd | Cap nut type pipe joint |
| JP3609468B2 (en) * | 1994-11-28 | 2005-01-12 | 古河電気工業株式会社 | Pipe fitting |
| JP2000046272A (en) * | 1998-07-24 | 2000-02-18 | Tabuchi Corp | Joint for soft pipe |
| JP2001054221A (en) * | 1999-08-09 | 2001-02-23 | Sankei Seisakusho:Kk | Cable connector |
| CN201209720Y (en) * | 2008-04-21 | 2009-03-18 | 江克华 | Connecting structure between valve body and fittings |
| KR20110043239A (en) * | 2009-10-21 | 2011-04-27 | 코오롱건설주식회사 | Pipe joint |
| KR20130007756A (en) * | 2011-07-11 | 2013-01-21 | 권영화 | Combining apparatus of two different sockets for resin valve |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949779A (en) * | 2017-04-28 | 2017-07-14 | 上海金由氟材料股份有限公司 | A kind of PTFE heat exchangers with PTFE heat exchanger tube flushers |
| CN106949780A (en) * | 2017-04-28 | 2017-07-14 | 上海金由氟材料股份有限公司 | A kind of flush pipe for being used in heat exchanger clean PTFE heat exchanger tubes |
| CN108953790A (en) * | 2018-08-24 | 2018-12-07 | 中国航发沈阳发动机研究所 | A kind of anti-pipe fitting release |
| CN109268590A (en) * | 2018-08-24 | 2019-01-25 | 中国航发沈阳发动机研究所 | A kind of pipe fitting anti-loosing device |
| CN110056723A (en) * | 2019-05-08 | 2019-07-26 | 中国航发湖南动力机械研究所 | Locking device and pipeline self-locking connection structure for piping connection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103398244B (en) | 2015-08-05 |
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