CN201074713Y - Connecting structure for flange type pipe - Google Patents
Connecting structure for flange type pipe Download PDFInfo
- Publication number
- CN201074713Y CN201074713Y CNU2007201502674U CN200720150267U CN201074713Y CN 201074713 Y CN201074713 Y CN 201074713Y CN U2007201502674 U CNU2007201502674 U CN U2007201502674U CN 200720150267 U CN200720150267 U CN 200720150267U CN 201074713 Y CN201074713 Y CN 201074713Y
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- CN
- China
- Prior art keywords
- flange
- tubing
- pipelines
- connection
- connect
- 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.)
- Expired - Lifetime
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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model relates to a flange-type pipe connection structure, which comprises two pipes and two flange sleeves, cannulas of the flange sleeves are sleeved on pick-up ends of the pipes, which are sealed by elastic sealing rings, flange plates of the flange sleeves are sealed by a sealing pad and are locked by a bolt. The pipelines can be sealed and steadily connected together by utilizing the principles that the sealing rings have elasticity and self-locking of fluid-pressure and utilizing the sealed locking of the two flange plates, and mounting and dismounting are led to be extremely simple, convenient and fast by utilizing that the cannulas can move in the pick-up ends of the pipelines, can adapt to the connection between pipelines with different distances of the pick-up ends, particularly adapts to the connection of the pipelines whose ports are damaged or the connection after a portion is cut off when in maintaining, or the connection in the pipe connection when a three-way pipe needs to be interfaced, or the connection that an included angle is appeared when the pipelines are connected. The utility model can endure any high pressure, and has long life span, and the utility model is not limited by the mounting environments, which is suitable for being used to connect various pipelines, in particularly to be used to connect metal plastic compound pipelines.
Description
Technical field:
The utility model relates to a kind of pipe connecting structure, particularly a kind of pipe connecting structure that utilizes flange firmly to connect.
Background technique:
In daily life or the production process, water delivery, the tubing of usefulness such as oil transportation all needs certain connected element that they are interconnected to seal, at present to plastic cement, metal, tubing such as aluminium-plastic composite pipe or steel-plastic composite pipe has various linkage structure, these linkage structures all have certain shortcoming: as for the plastic cement pipe, the plastic-aluminum steel-plastic composite pipe is easy to wear out when adopting glue bonding, soundness is poor, sealing is poor, and the expensive special device of the bonding plastic cement Guan Zexu of employing hot melt, the cost height, install, operation inconvenience, the difficult control of hot melting temperature, it is long that connect hours is installed, and the yielding seepage of connection mouth can not dismounting after the connection, and sealing is poor, more can't adopt this method during particular surroundings; Easy-to-rust seepage, dismounting inconvenience, the special-purpose disassemblerassembler of need, cost height when adopting screw thread, welding etc. to connect for small-caliber metallic, then dismounting inconvenience when the heavy caliber metal tube adopts special joint to connect, complex structure, profile are very much not attractive in appearance, and all exist and install because of carelessness or precision easily causes sealing poor when not enough.Also there is certain narrow limitation in above-mentioned linkage structure, be different bores, unlike material, the tubing of different pipe internal pressures need be with different linkage structures, the disclosed ZL01215204.8 of Patent Office of the People's Republic of China, ZL01215205.6, ZL01277056.6, four patents of ZL03247246.3 provide and have solved this circumscribed pipe connecting structure, but there is certain shortcoming again in said structure: when special connection occurring between the tubing, connect as non-rectilinears such as corner or angle connections, or need opening, cut off when situation such as refuting when connecing after the maintenance, the connection of tubing is just wasted time and energy, and very difficult, cause the sealing of tubing, install, repair demolition convenient and swift inadequately.
Summary of the invention:
The purpose of this utility model is to provide a kind of straight line of both can having realized between the tubing to connect, and can realize quickly and easily again between the tubing maybe need disconnecting the connection of refuting when connecing at non-rectilinear, and be suitable for the flange type pipeline connector structure of various bores and material.
The purpose of this utility model can be achieved as follows: this flange type pipeline connector structure mainly is made up of two tubing and connecting sleeve, described connecting sleeve is two flange covers, one end of flange cover is a flange plate and the other end is a sleeve pipe, sleeve surface is provided with the screens that at least 1 circle is laid seal ring, the sleeve pipe of two flange covers is inserted in the end to be connect of tubing respectively, the waiting of two tubing connects between end and the sleeve pipe and respectively is with at least 1 elastic seal ring, between two flange plate through the sealing gasket sealing and use locked with bolts.
As further improvement of the utility model: the screens of this flange type pipeline connector structure is a circle groove or the groove that is made of two circle flanges.
As further improvement of the utility model: two tubing of this flange type pipeline connector structure wait that connecing end also is with rigid sleeve.
As further improvement of the utility model: the rigid sleeve of this flange type pipeline connector structure and flange cover connect into one.
The utility model cooperates with tubing by sleeve pipe, elastic seal ring, utilizing seal ring to have elasticity and hydraulic pressure self-lock mechanism has realized being connected sealing between the sleeve pipe of tubing and flange cover, simultaneously by between two flange plate with the sealing gasket sealing and with locked with bolts realize between the flange cover sealing with firmly be connected, can seal, firmly link together thereby make between the tubing, only need that sleeve pipe and seal ring are compressed into tubing and wait to connect end and with bolt two flange plate are locked to finish then and be tightly connected.Because waiting to connect when in the end enough external force being arranged at tubing behind the seal ring on the casing pipe sleeve is movably, sleeve pipe will move in tubing waits to connect end when with bolt the locking of two flange plate being tightened up, therefore the utility model linkage structure can adapt to wait to connect between the tubing that the end spacing varies in size and connects, as long as the sleeve pipe long enough guarantees that seal ring does not skid off tubing and waits to connect the mobile sealing effect that do not influence that makes sleeve pipe in the end, need not to consider that tubing waits to connect the spacing of port, use when connecting after pipe end breakage or the need cutout portion when being particularly suitable for keeping in repair, can realize between the tubing simple and convenient and be tightly connected quickly equally, in like manner, in tubing connects, need refute when connecing three-way pipe and also can shine aforementioned realization.When angle appears in the tubing connection, only need to be bent into an angle that adapts to this angle between flange plate and the sleeve pipe and get final product.Therefore, the utility model both had been fit to straight line connection between tubing, connect between tubing in the time of adapting to non-rectilinear again especially and maybe need disconnect and simple and efficient, can tolerate any high pressure, long service life, be not subjected to the restriction of installation environment, be suitable for using in the various tubing connections, use during particularly the composite metal-plastic pipe material connects.
Description of drawings:
Fig. 1 is the schematic representation of the utility model flange type pipeline connector structure;
Fig. 2 is the schematic representation of the utility model flange type pipeline connector structure band rigid sleeve;
Fig. 3 is the schematic representation of the utility model flange type pipeline connector structure band disjunctor rigid sleeve.
Embodiment:
Below in conjunction with accompanying drawing the utility model is described in further detail:
In Fig. 1, show flange type pipeline connector structure, the waiting to connect of two tubing 11,12 is inserted in two flanges covers 31,32 respectively in the end a end is a sleeve pipe 51,52, the waiting to connect of two sleeve pipes 51,52 and two tubing 11,12 respectively has 1 elastic seal ring 6 between the end, seal ring 6 is enclosed within the screens 7 of sleeve pipe 51,52 outer surfaces, and seal ring 6 also can be established 2,3 even more a plurality of to increase sealing.The other end of two flange covers 31,32 is promptly fastening with bolt 9 lockings between two flange plate 41,42, also has a sealing gasket 8 to seal between two flange plate 41,42.When water flowing or oil, 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 siphunculus, the inner edge of seal ring is also pressed tighter tightlyer to the periphery of tubing simultaneously, realized being connected sealing between the sleeve pipe of tubing and flange cover, and realize the sealing between the flange cover by sealing gasket and bolt between two flange plate and firmly is connected, thereby two tubing have been played extraordinary connection sealing and firmly acted on.Can make the elbow of several angle between the flange plate of flange cover and the sleeve pipe, angle changes when connecting to adapt to tubing.
In Fig. 1, screens 7 is that the groove that a circle on sleeve pipe 51,52 surfaces sink constitutes, and screens 7 can also be the groove that constitutes of the two circle flanges on sleeve pipe 51,52 surfaces and forming in fact, and purpose is that seal ring 6 is positioned.
In addition; only show among Fig. 1 sleeve pipe 51,52 be inserted in two tubing 11,12 wait connect the end in situation promptly carry out interior sealing; in fact also can two tubing 11,12 wait connect the end be inserted in the sleeve pipe 51,52; the screens 7 of at this moment laying seal ring 6 is located at the internal surface of sleeve pipe 51,52 or seal ring 6 covers and fixes on waiting to connect and promptly carrying out external sealed on the end of two tubing 11,12; can realize the purpose of this utility model and function equally, therefore also belong to the utility model design protection scope.
Be the connection that adapts to the not enough tubing of rigidity such as plastic tube etc., because rigidity is not enough, tubing 11,12 wait to connect end through sleeve pipe 51, will be out of shape as port when extracting again after 52 insertions once and become big or scratch mouth etc., insert sleeve pipe 51 once more, it is tight to occur sealing at 52 o'clock, for avoiding this situation to take place, at two tubing 11,12 wait that connecing end also is with rigid sleeve 2, as shown in Figure 2, so just can prevent to wait to connect the end distortion, rigid sleeve 2 usefulness hard materials are made as metal etc., rigid sleeve 2 directly is enclosed within to be waited to connect end and goes up and realize with it Spielpassung, rigid sleeve 2 one ends can by wait to connect bring out boss spacing or with flange cover 31,32 carry out spacing through connections such as bolts.In order to mount and dismount conveniently, also rigid sleeve 2 and flange cover 31,32 can be linked into an integrated entity, as shown in Figure 3.
In like manner, when tubing 11,12 waits to connect end and sleeve pipe 51,52 when carrying out external sealed, 2 of rigid sleeve are inserted in tubing 11,12 and are waited to connect in the end and make accommodation and get final product.
Claims (4)
1. flange type pipeline connector structure, mainly by two tubing (11,12) and connecting sleeve form, it is characterized in that: described connecting sleeve is two flange covers (31,32), flange cover (31,32) a end is a flange plate (41,42) and the other end is a sleeve pipe (51,52), sleeve pipe (51,52) surface is provided with the screens (7) that at least 1 circle is laid seal ring (6), two flange covers (31,32) sleeve pipe (51,52) be inserted in tubing (11 respectively, 12) end to be connect, two tubing (11, treating 12) connects end and sleeve pipe (51,52) respectively be with at least 1 elastic seal ring (6) between, two flange plate (41,42) lock through sealing gasket (8) sealing and with bolt (9) between.
2. flange type pipeline connector structure according to claim 1 is characterized in that: described screens (7) is a groove that encloses groove or be made of two circle flanges.
3. flange type pipeline connector structure according to claim 1 is characterized in that: described two tubing (11,12) wait that connecing end also is with rigid sleeve (2).
4. flange type pipeline connector structure according to claim 3 is characterized in that: described rigid sleeve (2) links into an integrated entity with flange cover (31,32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201502674U CN201074713Y (en) | 2007-05-23 | 2007-05-23 | Connecting structure for flange type pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201502674U CN201074713Y (en) | 2007-05-23 | 2007-05-23 | Connecting structure for flange type pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201074713Y true CN201074713Y (en) | 2008-06-18 |
Family
ID=39519976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201502674U Expired - Lifetime CN201074713Y (en) | 2007-05-23 | 2007-05-23 | Connecting structure for flange type pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201074713Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793336B (en) * | 2009-05-13 | 2013-07-31 | 蔡海华 | Flange self-regulation type pipe connecting structure |
| WO2015154353A1 (en) * | 2014-04-10 | 2015-10-15 | 黄欣 | Leak-proof flanged connecting pipe used for municipal construction |
| CN111284021A (en) * | 2018-12-10 | 2020-06-16 | 中国科学院宁波材料技术与工程研究所 | Method and device for glue joint of composite pipe fitting and metal part |
| CN112049992A (en) * | 2020-09-08 | 2020-12-08 | 江苏青阳管业有限公司 | Stainless steel lined composite pipe sealing head |
-
2007
- 2007-05-23 CN CNU2007201502674U patent/CN201074713Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793336B (en) * | 2009-05-13 | 2013-07-31 | 蔡海华 | Flange self-regulation type pipe connecting structure |
| WO2015154353A1 (en) * | 2014-04-10 | 2015-10-15 | 黄欣 | Leak-proof flanged connecting pipe used for municipal construction |
| CN111284021A (en) * | 2018-12-10 | 2020-06-16 | 中国科学院宁波材料技术与工程研究所 | Method and device for glue joint of composite pipe fitting and metal part |
| CN111284021B (en) * | 2018-12-10 | 2022-01-25 | 中国科学院宁波材料技术与工程研究所 | Method and device for glue joint of composite pipe fitting and metal part |
| CN112049992A (en) * | 2020-09-08 | 2020-12-08 | 江苏青阳管业有限公司 | Stainless steel lined composite pipe sealing head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20080618 Effective date of abandoning: 20070523 |
|
| RGAV | Abandon patent right to avoid regrant |