CN201407436Y - Self-locking and self-adjustable pipe connection structure - Google Patents
Self-locking and self-adjustable pipe connection structure Download PDFInfo
- Publication number
- CN201407436Y CN201407436Y CN2009201571349U CN200920157134U CN201407436Y CN 201407436 Y CN201407436 Y CN 201407436Y CN 2009201571349 U CN2009201571349 U CN 2009201571349U CN 200920157134 U CN200920157134 U CN 200920157134U CN 201407436 Y CN201407436 Y CN 201407436Y
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- self
- siphunculus
- seal ring
- locking
- tubing
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Abstract
The utility model relates to a self-locking and self-adjustable pipe connection structure, which comprises two pipes and a connecting sleeve. The connecting sleeve is a through pipe, the to-be-connected ends of the each pipe are arranged inside the two ends of the through pipe which is sheathed with a seal ring, the inner diameter and the outer diameter of the seal ring are in tight fit with the pipes and the through pipe, and a position limiting platform is arranged on the through pipe. Through the tight fit among the two pipes, the seal ring and the through pipe, the connecting and sealing effects are achieved. Meanwhile, the seal ring which is sheathed on the through pipe has a free side, so that in case of a certain flexible displacement of the two pipes, the seal ring can accordinglydeform to adapt to the allowance variation thereof to keep the leak tightness of the connection. Therefore, the pipe connection structure smartly utilizes the hydraulic self-locking principle to realize the connection and sealing of pipes with various apertures and materials, and can still keep the leak tightness between the pipes in case of a certain allowance variation during pipe connection. The pipe connection structure has the advantages of simple structure, convenient installation, disassembly and replacement, low cost, high pressure resistance, and environmental friendliness.
Description
Technical field:
The utility model relates to a kind of pipe connecting structure, particularly a kind of pipe connecting structure that can utilize hydraulic pressure to carry out the self-locking sealing.
Background technique:
In daily life or the production process, the tubing of usefulness such as water delivery, oil transportation all needs certain connected element that they are interconnected to seal, at present tubing such as plastic cement, metal, aluminium-plastic composite pipe or steel-plastic composite pipe there is various linkage structure, wherein, the disclosed ZL200420073234.0 patent of Patent Office of the People's Republic of China provides the pipe connecting structure of sealing in a kind of self-locking, has solved the connectivity problem of tubing such as steel-plastic composite pipe preferably.Its seal ring but still has certain deficiency: owing to need position by default screens, connect tubing and in use have certain when scratching displacement when two, to cause the seal ring can not random deformation and influence its sealing, and can not adapt to when certain surplus change is arranged when tubing connects and use.
Summary of the invention:
The purpose of this utility model is to provide a kind of hydraulic pressure that can utilize to carry out the self-locking sealing for overcoming above-mentioned shortcoming, and can satisfying again has a surplus when tubing connects also keeps the pipe connecting structure of sealing when quantitative change is moved.
The purpose of this utility model can be achieved as follows: this self-locking and self-adjusting pipe connecting structure mainly is made up of two tubing and connecting sleeve, and described connecting sleeve is a hollow siphunculus; What the two ends of described siphunculus were with respectively that seal ring places described two tubing respectively waits to connect in the end; Described seal ring has elasticity, laying respectively at two tubing waits to connect between the outer surface of the internal surface of end and siphunculus, wherein the external diameter of seal ring and tubing are waited to connect between the internal diameter of end and are interference fit, the internal diameter of seal ring and the external diameter of siphunculus also are interference fit simultaneously, the middle part periphery of described siphunculus is provided with spacing block, is provided with between the seal ring of the every end of described siphunculus and the every side of spacing block to guarantee that seal ring is positioned at the limit dais of waiting to connect end of two tubing.
As further improvement of the utility model: the limit dais of this self-locking and self-adjusting pipe connecting structure is a circle boss of siphunculus one end outer surface, becomes the disjunctor shape with siphunculus.
As further improvement of the utility model: the spacing block of this self-locking and self-adjusting pipe connecting structure is a circle boss of siphunculus outer surface, becomes the disjunctor shape with siphunculus.
As further improvement of the utility model: the two ends of the siphunculus of this self-locking and self-adjusting pipe connecting structure also respectively are provided with at least 1 cushion rubber and lay respectively between spacing block and the limit dais.
As further improvement of the utility model: shape at the bottom of the cushion rubber of this self-locking and self-adjusting pipe connecting structure is barrel by the end extension of spacing block, respectively two tubing are waited to connect the end parcel.
As further improvement of the utility model: this self-locking and self-adjusting pipe connecting structure the two ends of siphunculus also respectively be provided with in 1 circle scrobicular ring at least or outer bulge loop lays respectively between spacing block and the limit dais.
As further improvement of the utility model: have a seal ring on the every tubing of this self-locking and self-adjusting pipe connecting structure at least, its cross section can be O shape.
The utility model waits to connect end by what two tubing were put at the hollow siphunculus two ends that will be with seal ring respectively, make waiting to connect between end and seal ring and the siphunculus of two tubing form the pipeline confined space, seal ring positions by limit dais, when being connected with the liquid of certain pressure in the tubing, has certain hydraulic pressure in this confined space, under this hydraulic pressure, two seal rings will axially being pushed to limit dais separately respectively and being pressed on the limit dais along siphunculus, because limit dais is to the effect of seal ring start stop bit, at this moment seal ring is owing to be subjected to the compressing of left and right sides pressure, add that seal ring has elasticity, seal ring can only be along its radial direction distortion, make the outer rim of seal ring get tighter tighter to the interior wall pressure of tubing, the inner edge of seal ring is also pressed tighter tightlyer to the periphery of siphunculus simultaneously, thereby two tubing have been played extraordinary connection seal action, and hydraulic pressure is big more in tubing, its sealability is good more, even when the fluid pressure that is connected with in the tubing is zero, because be interference fit between seal ring and siphunculus and the tubing, the leakproofness between them can satisfy its sealing completely.Meanwhile, opposite side is freely because seal ring is enclosed within on the siphunculus that the one side leans against on the limit dais, connects tubing and has when necessarily scratching displacement when two, and seal ring can be followed distortion at random, keeps the sealing that connects to adapt to all the other quantitative changeizations.Therefore, this pipe connecting structure has utilized the hydraulic pressure self-lock mechanism dexterously, the tubing of having realized various bores and material is connected sealing, can adapt to simultaneously the sealing that still keeps when having certain surplus to change when tubing connects between tubing, structure is very simple, install and change the very easy special device that fast need not again, be not subjected to simultaneously the restriction of installation environment, save cost, component interchangeability is good, connect the back good airproof performance, long service life tolerates any high pressure and still can keep good sealing property, is good environment-friendly products, have vast market prospect, be worthy of popularization very much.
Below in conjunction with accompanying drawing the utility model is described in further detail:
Fig. 1 is the schematic representation of the utility model pipe connecting structure;
Schematic representation when Fig. 2 is the utility model pipe connecting structure band cushion rubber;
Another schematic representation when Fig. 3 is the utility model pipe connecting structure band cushion rubber;
Fig. 4 is schematic representation during scrobicular ring in the utility model pipe connecting structure band.
In Fig. 1, two tubing 11 and 12 wait that connecing the end port puts into the two ends of siphunculus 3 respectively, siphunculus 3 is a hollow tubular, there is certain rigidity to get final product, the middle part periphery of siphunculus 3 has the protruding spacing block 5 of a circle to wait to connect the end isolation with two, spacing block 5 can be and 3 one-tenth disjunctor shapes of siphunculus, also can be fixedly mounted on the siphunculus 3.Each end of siphunculus 3 is with a seal ring 4 at least, is provided with limit dais 2 between seal ring 4 and the spacing block 5, and limit dais 2 can be and 3 one-tenth disjunctor shapes of siphunculus, also can be fixedly mounted on the siphunculus 3.The cross section of seal ring 4 is O shape, having certain elasticity, is interference fit between the internal diameter of seal ring 4 and siphunculus 3 external diameters, and the external diameter of seal ring 4 and tubing are waited to connect between the internal diameter of end and also is interference fit, like this, guaranteed tight seal between seal ring 4, siphunculus 3 and the tubing.
During use, when above-mentioned linkage structure is connected with water, when oil or other liquid, the frictional force that the hydraulic pressure that produces will make seal ring overcome between itself and siphunculus and the tubing is pressed to limit dais, because the stop bit effect of limit dais, seal ring can only be pressed on a side of positive stop, therefore seal ring will be subjected to the compressing of left and right sides pressure, add that seal ring self is flexible, under the pressurized situation of both sides, will produce radial deformation, make the inner edge of seal ring press tighter tightlyer to the periphery of siphunculus, the outer rim of seal ring is also pressed tighter tightlyer to the inwall of tubing simultaneously, thereby two tubing have been played extraordinary connection seal action, played by hydraulic pressure and carried out self-locking seal.Simultaneously, when having between the tubing when necessarily scratching dynamic deformation,, can adapt to distortion automatically, to keep the sealing between seal ring and siphunculus and the tubing because seal ring one side can the change of surplus position.
In Fig. 2 and Fig. 3, show the pipe connecting structure of band cushion rubber 6, the cushion rubber 6 among Fig. 2 is at least 1, and its purpose mainly is a percussion and prevent that dirt from entering between buffering siphunculus and tubing.Cushion rubber 6 among Fig. 3 is compared with Fig. 2, and cushion rubber 6 one end extensions become bucket end shape, just tubing is waited to connect end and wraps, and plays better buffering and anti-dirt effect.
In Fig. 4, show the pipe connecting structure of scrobicular ring 7 in the band, 7 at least 1 of interior scrobicular rings its objective is the effect of stiffening rib, can strengthen the rigidity and the intensity of siphunculus.Interior scrobicular ring 7 also can be arranged to outer bulge loop 7, and just its rigidity and intensity are poorer slightly.
Claims (7)
1. a self-locking and self-adjusting pipe connecting structure mainly is made up of two tubing (11,12) and connecting sleeve, it is characterized in that: described connecting sleeve is a hollow siphunculus (3); What the two ends of described siphunculus (3) were with respectively that seal ring (4) places described two tubing (11,12) respectively waits to connect in the end; Described seal ring (4) has elasticity, laying respectively at two tubing (11,12) waits to connect between the outer surface of the internal surface of end and siphunculus (3), wherein the external diameter of seal ring (4) and tubing (11,12) are waited to connect between the internal diameter of end and are interference fit, the internal diameter of seal ring (4) and the external diameter of siphunculus (3) also are interference fit simultaneously, the middle part periphery of described siphunculus (3) is provided with spacing block (5), is provided with between the seal ring of the every end of described siphunculus (3) and the every side of spacing block (5) to guarantee that seal ring (4) is positioned at the limit dais (2) of waiting to connect end of two tubing (11,12).
2, self-locking and self-adjusting pipe connecting structure according to claim 1 is characterized in that: described limit dais (2) becomes the disjunctor shape for a circle boss of siphunculus (3) one end outer surfaces with siphunculus (3).
3, self-locking and self-adjusting pipe connecting structure according to claim 1 is characterized in that: described spacing block (5) becomes the disjunctor shape for a circle boss of siphunculus (3) outer surface with siphunculus (3).
4, according to claim 1,2 or 3 described self-locking and self-adjusting pipe connecting structures, it is characterized in that: the two ends of described siphunculus (3) also respectively are provided with at least 1 cushion rubber (6) and lay respectively between spacing block (5) and the limit dais (2).
5, self-locking and self-adjusting pipe connecting structure according to claim 4 is characterized in that: shape at the bottom of described cushion rubber (6) is barrel by the end extension of spacing block (5), respectively two tubing (11,12) are waited to connect the end parcel.
6, according to claim 1,2 or 3 described self-locking and self-adjusting pipe connecting structures, it is characterized in that: the two ends of described siphunculus (3) also respectively are provided with the interior scrobicular ring of at least 1 circle or outer bulge loop (7) lays respectively between spacing block (5) and the limit dais (2).
7, according to claim 1,2 or 3 described self-locking and self-adjusting pipe connecting structures, it is characterized in that: have a seal ring (4) on the described siphunculus (3) at least, its cross section is an O shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201571349U CN201407436Y (en) | 2009-05-13 | 2009-05-13 | Self-locking and self-adjustable pipe connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201571349U CN201407436Y (en) | 2009-05-13 | 2009-05-13 | Self-locking and self-adjustable pipe connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201407436Y true CN201407436Y (en) | 2010-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201571349U Expired - Fee Related CN201407436Y (en) | 2009-05-13 | 2009-05-13 | Self-locking and self-adjustable pipe connection structure |
Country Status (1)
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| CN (1) | CN201407436Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555971A (en) * | 2009-05-13 | 2009-10-14 | 蔡海华 | Self-locking and self-adjusting pipe connecting structure |
| CN101788202A (en) * | 2010-02-23 | 2010-07-28 | 曹树梁 | Black porcelain composite ceramic tube and internally connected tubular solar heat collecting system thereof |
| CN101832433A (en) * | 2010-05-06 | 2010-09-15 | 蔡海华 | Tube-connecting structure with sleeve |
| WO2015154353A1 (en) * | 2014-04-10 | 2015-10-15 | 黄欣 | Leak-proof flanged connecting pipe used for municipal construction |
-
2009
- 2009-05-13 CN CN2009201571349U patent/CN201407436Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555971A (en) * | 2009-05-13 | 2009-10-14 | 蔡海华 | Self-locking and self-adjusting pipe connecting structure |
| CN101555971B (en) * | 2009-05-13 | 2014-05-14 | 蔡海华 | Self-locking and self-adjusting pipe connecting structure |
| CN101788202A (en) * | 2010-02-23 | 2010-07-28 | 曹树梁 | Black porcelain composite ceramic tube and internally connected tubular solar heat collecting system thereof |
| CN101832433A (en) * | 2010-05-06 | 2010-09-15 | 蔡海华 | Tube-connecting structure with sleeve |
| WO2015154353A1 (en) * | 2014-04-10 | 2015-10-15 | 黄欣 | Leak-proof flanged connecting pipe used for municipal construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: KELONG flying (Qingyuan) Pipe Industry Co., Ltd. Assignor: Cai Haihua Contract record no.: 2014440000266 Denomination of utility model: Self-locking and self-adjusting pipe connecting structure Granted publication date: 20100217 License type: Exclusive License Record date: 20140604 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20150513 |
|
| EXPY | Termination of patent right or utility model |