CN202834549U - Rigid pipe joint with extensible offset function - Google Patents
Rigid pipe joint with extensible offset function Download PDFInfo
- Publication number
- CN202834549U CN202834549U CN 201220557899 CN201220557899U CN202834549U CN 202834549 U CN202834549 U CN 202834549U CN 201220557899 CN201220557899 CN 201220557899 CN 201220557899 U CN201220557899 U CN 201220557899U CN 202834549 U CN202834549 U CN 202834549U
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- adjutage
- fittings body
- nut
- gland
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Abstract
Disclosed is a rigid pipe joint with an extensible offset function. According to the rigid pipe joint with the extensible offset function, the installation sizes of ports of two ends can be adjusted in a large extent, a loose joint function is achieved, disassembly and assembly can be achieved at will, installation is enabled to be simple and flexible, deformation of a pipeline caused by expansion caused by heat and contraction caused by cold can be automatically offset under working conditions, double seal is arranged, and properties are reliable. The rigid pipe joint with the extensible offset function is composed of an adjusting pipe, a press sleeve, sealing packing, a joint body, a lock nut and a movably connecting nut. The adjusting pipe is enabled to sequentially penetrate through the movably connecting nut, the lock nut, the press sleeve and the sealing packing, a sealing ring is embedded into the adjusting pipe, the adjusting pipe is inserted into the step hole end of the joint body, the sealing packing is pushed into a cavity of the step hole end of the joint body through that the lock nut is abutted against the press sleeve, the lock nut is tightly screwed on the joint body, expansive force of the seal packing is increased after the sealing packing is extruded, and therefore functions of sealing and locking of the relative position are achieved. In construction, the joint body is connected with one end of a pipeline, the lock nut is loosened, the movably connecting nut is connected with the other end of the pipeline, and the lock nut is screwed tightly after the joint body, the movably connecting nut and the pipeline are installed.
Description
Technical field
The utility model relates to a kind of joints of rigid pipes with flexible compensation function.
Background technique
In rigidly connected pipeline, be typically provided with expansion joint, expansion bend or flexible joint, with the compensation caused dimensional changes of reason such as expand with heat and contract with cold; For the convenience of I﹠M, toward the contact meeting some loose joints are set.These component are serially connected in the effect of bringing into play in the pipeline separately, but in some occasion owing to be limited by the limitation of the factors such as function combination and installing space position, such configuration may not be just certain desirable, especially the less pipeline of caliber.Therefore, it is wide to design a installation dimension regulation range, large to line size compensating for variations amount, installs and removes relatively simply, integrates the pipe joint of various functions, is demand urgent in the engineering construction.
Summary of the invention
The utility model can be regulated the installation dimension of two end interfaces by a relatively large margin, the function that possesses again loose joint, arbitrarily dismounting, make the installation and maintenance simple and flexible, the lower amount of deformation that again can the auto-compensation pipeline produces because expanding with heat and contract with cold in working order, and be provided with double sealing structure, function and performance are all effectively promoted.It is comprised of adjutage, gland, stuffing box packing, seal ring, fittings body, locking nut, flexible connection nut.Adjutage is a straight-through pipe, and an end cylindrical is established shoulder block, and the other end cylindrical is established the seal groove that seal ring is installed; Gland is an annulus, and internal diameter cooperates with the adjutage crest clearance, can move freely at adjutage, the external diameter of gland then with fittings body on stuffing box packing is installed interporal lacuna cooperate.Fittings body and common tube joint are similar, and it is step-like that profile is, and place, footpath broad in the middle establishes the hexagonal for spanner, outside thread is established at two ends, and the center is through hole, and through hole cooperates with the adjutage crest clearance, can relatively move, an end in hole is established shoulder hole, aperture and the gland Spielpassung that stuffing box packing is installed.The locking nut endoporus is ladder, and the internal thread that is connected with fittings body is established in the large aperture, and the small aperture cooperates with the adjutage crest clearance, and profile is the hexagonal shape.The flexible connection nut inner hole is ladder, and the small aperture cooperates with the adjutage crest clearance, and the internal thread that is connected with pipeline is established in the large aperture, and the adjutage shoulder block is stuck in the place, plane of ladder.Stuffing box packing is the Elastic Circular collar of heatproof, by flexiplastic or rubber manufacturing.Seal ring is the O RunddichtringO, by the temperature resistant rubber manufacturing.Adjutage is penetrated from large aperture end, the small aperture end of locking nut, gland, the stuffing box packing that is flexibly connected nut successively, after being embedded in seal ring, inserts seal groove again the end that fittings body is provided with shoulder hole, locking nut heads into stuffing box packing in the chamber of fittings body shoulder hole against gland, and is tightened on the screw thread of fittings body; Cause be squeezed rear expansive force of stuffing box packing to increase, thereby reach the effect of sealing and locking relative position.During construction, fittings body is connected with the threaded one end of pipeline, unclamps locking nut, allow the flexible connection nut on the adjutage be threaded with the other end of pipeline, when fittings body, be flexibly connected nut and locking nut tightened after ready with the pipeline installation.Such as pipeline is caught a cold, heat affecting produces distortional stress during greater than the frictional force of adjutage and stuffing box packing and fittings body and seal ring, adjutage namely can produce slippage with fittings body, thereby in the utility model, make the size of pipeline integral body keep stable amount of deformation digestion.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is structure sectional view of the present utility model.
Fig. 2 is the structure sectional view that the utility model two end interfaces are internal thread.
Among the figure 1, adjutage; 2, gland; 3, stuffing box packing; 4, seal ring; 5, fittings body; 6, locking nut; 7, be flexibly connected nut.
Embodiment
Adjutage of the present utility model (1) is a straight-through pipe, and an end cylindrical is established shoulder block, and the other end cylindrical is established the seal groove that seal ring (4) is installed; Gland (2) is an annulus, and internal diameter cooperates with adjutage (1) crest clearance, can move freely in adjutage (1), and the external diameter of gland (2) then cooperates with the upper interporal lacuna that stuffing box packing (3) is installed of fittings body (5).Fittings body (5) is similar with the common tube joint, it is step-like that profile is, place, footpath broad in the middle establishes the hexagonal for spanner, outside thread is established at two ends, the center is through hole, and through hole cooperates with adjutage (1) crest clearance, can relatively move, one end in hole is established the shoulder hole that stuffing box packing (3) is installed, aperture and gland (2) Spielpassung.Locking nut (6) endoporus is ladder, and the internal thread that is connected with fittings body (5) is established in the large aperture, and the small aperture cooperates with adjutage (1) crest clearance, and profile is the hexagonal shape.Being flexibly connected nut (7) endoporus is ladder, and the small aperture cooperates with adjutage (1) crest clearance, and the internal thread that is connected with pipeline is established in the large aperture, and adjutage (1) shoulder block is stuck in the place, plane of ladder.Adjutage (1) is penetrated from large aperture end, the small aperture end of locking nut (6), gland (2), the stuffing box packing (3) that is flexibly connected nut (7) successively, after being embedded in seal ring (4), inserts seal groove again the end that fittings body (5) is provided with shoulder hole, locking nut (6) heads into stuffing box packing (3) in the chamber of fittings body (5) shoulder hole against gland (2), and is tightened on the screw thread of fittings body (5); Cause be squeezed rear expansive force of stuffing box packing (3) to increase, thereby reach the effect of sealing and locking relative position.During construction, fittings body (5) is connected with the threaded one end of pipeline, unclamp locking nut (6), allow the flexible connection nut (7) on the adjutage (1) be threaded with the other end of pipeline, when fittings body (5), be flexibly connected nut (7) and pipeline and install and locking nut (6) is tightened after ready.
Claims (2)
1. the joints of rigid pipes with flexible compensation function is comprised of adjutage, gland, stuffing box packing, seal ring, fittings body, locking nut, flexible connection nut; Adjutage is a straight-through pipe, and an end cylindrical is established shoulder block, and the other end cylindrical is established the seal groove that seal ring is installed; Gland is an annulus, and internal diameter cooperates with the adjutage crest clearance, can move freely at adjutage, the external diameter of gland then with fittings body on stuffing box packing is installed interporal lacuna cooperate; The fittings body profile is step-like, and place, footpath broad in the middle establishes hexagonal, and outside thread is established at two ends, and the center is through hole, and through hole cooperates with the adjutage crest clearance, can relatively move, and an end in hole is established the shoulder hole that stuffing box packing is installed, aperture and gland Spielpassung; The locking nut endoporus is ladder, and the internal thread that is connected with fittings body is established in the large aperture, and the small aperture cooperates with the adjutage crest clearance, and profile is the hexagonal shape; The flexible connection nut inner hole is ladder, and the small aperture cooperates with the adjutage crest clearance, and the internal thread that is connected with pipeline is established in the large aperture, and the adjutage shoulder block is stuck in the place, plane of ladder; Adjutage is penetrated from large aperture end, the small aperture end of locking nut, gland, the stuffing box packing that is flexibly connected nut successively, after being embedded in seal ring, inserts seal groove again the end that fittings body is provided with shoulder hole, locking nut heads into stuffing box packing in the chamber of fittings body shoulder hole against gland, and is tightened on the screw thread of fittings body.
2. a kind of adjustable telescopic according to claim 1 and have the joints of rigid pipes of automatic compensation function is characterized in that stuffing box packing is the Elastic Circular collar of heatproof, by flexiplastic or rubber manufacturing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220557899 CN202834549U (en) | 2012-10-28 | 2012-10-28 | Rigid pipe joint with extensible offset function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220557899 CN202834549U (en) | 2012-10-28 | 2012-10-28 | Rigid pipe joint with extensible offset function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202834549U true CN202834549U (en) | 2013-03-27 |
Family
ID=47946255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220557899 Expired - Fee Related CN202834549U (en) | 2012-10-28 | 2012-10-28 | Rigid pipe joint with extensible offset function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202834549U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913709A (en) * | 2012-10-28 | 2013-02-06 | 黄幼华 | Rigid pipe joint with the telescopic compensation function |
-
2012
- 2012-10-28 CN CN 201220557899 patent/CN202834549U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913709A (en) * | 2012-10-28 | 2013-02-06 | 黄幼华 | Rigid pipe joint with the telescopic compensation function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20131028 |