CN101975322A - Dual-seal large-deflection compensating joint - Google Patents
Dual-seal large-deflection compensating joint Download PDFInfo
- Publication number
- CN101975322A CN101975322A CN2010105110921A CN201010511092A CN101975322A CN 101975322 A CN101975322 A CN 101975322A CN 2010105110921 A CN2010105110921 A CN 2010105110921A CN 201010511092 A CN201010511092 A CN 201010511092A CN 101975322 A CN101975322 A CN 101975322A
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- China
- Prior art keywords
- runddichtringo
- short tube
- gland
- ring
- flanges
- 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.)
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Abstract
The invention discloses a dual-seal large-deflection compensating joint which comprises two spool flanges connected with a pipeline, wherein the excircles of the two pipe nipple flanges are respectively provided with a gland through a connecting bolt and a connecting nut; the glands are provided with sealing strips, and a slide pipe is connected between the two glands through a check ring; the end faces of the pipe nipple flanges are provided with limited blocks matched with the check ring; a cavity formed by the glands, the pipe nipple flanges and the check ring is internally provided with a U-shaped sealing ring; and an O-shaped sealing ring is arranged at the lip part of the U-shaped sealing ring, and the inner cavities of the two pipe nipple flanges are respectively provided with a corrugation rubber pipe. The dual-seal large-deflection compensating joint not only has good seal effect, but also can compensate larger deflection angles and decentration.
Description
Technical field
The present invention relates to a kind of pipe coupling, and be particularly related to a kind of double-sealing large deflection compensating joint.
Background technique
At present, various pipe-line systems are for example: gas pipe line, water supply line, oil transport pipelines etc. are applied in the daily life widely, but in the process of deployment of various pipe-line systems, often to consider because surface subsidence is serious, vibrations are big, with a varied topography and seasonal variations and day and night big the and pipeline deflection that produces of the temperature difference and expand with heat and contract with cold etc. all can pipeline be produced serious influence, so axial displacement and deflection angle off-centre that compensator remedies pipeline must be set on the pipeline, existing compensator mainly contains square-shaped joints, filler bushing type compensating joint, bellow expansion joint, L type compensator, Z type compensator and flexible pipe compensator, square-shaped joints is sturdy and durable, reliable but the material amount of expending is big, floor space is big, make the heavy caliber square-shaped joints and expend man-hour, thereby be applicable to small-bore, the pipeline of high pressure; Filler bushing type compensating joint compact structure, floor space is little, but because the rebound elasticity of filler is poor, forms water clock easily, needs often maintenance, changes filler; The bellow expansion joint compact structure, good seal performance, high temperature resistant, corrosion-resistant, but its compensation rate is less; Gland loose tube compensation joint and flange loose tube compensation joint among flexible pipe joint such as the GB/T12465 " pipeline loose tube compensation joint ", rational in infrastructure, sealability is reliable, can compensate radial displacement, deflection angle and off-centre in the certain limit after the connection, but except that radial displacement, to less (the flexible amount: 2～3 ° of compensation rate of deflection angle, off-centre; Offset: 2～5mm).This compensating joint with regard to active demand a kind of energy big deflection angle of compensate for slower and off-centre satisfies the needs of the demand and the actual engineering in market, better protection pipeline.
Summary of the invention
The object of the present invention is to provide a kind of double-sealing large deflection compensating joint, it has good sealing effect, big deflection angle of compensate for slower and eccentric characteristics.
The objective of the invention is to be achieved through the following technical solutions:
A kind of double-sealing large deflection compensating joint, it comprises two short tube flanges of connecting tube, all be provided with gland on the cylindrical of described two short tube flanges by fastening piece, be provided with between described two glands and be connected with sliding tube by back-up ring, cooperate back-up ring to be provided with limiting stopper in the end face of described short tube flange, described gland is provided with seal arrangement in the cavity that short tube flange and back-up ring form, and is provided with the corrugated rubber pipe in the inner chamber of described two short tube flanges formation.
Described seal arrangement comprises U RunddichtringO and the O RunddichtringO that combination is provided with, and described O RunddichtringO is arranged at the lip place of U RunddichtringO.
Be provided with Stamping Steel Ribbon in the described gland.
Described fastening piece comprises connecting bolt and attaching nut, and described connecting bolt is arranged on the gland, utilizes the attaching nut to lock.
Beneficial effect of the present invention is:
1) described double-sealing large deflection compensating joint uses the U RunddichtringO, makes it have self-packing effect, and adds a circle O RunddichtringO in the lip place of U RunddichtringO, good sealing effect;
2) be provided with limiting stopper in the end of short tube flange, be subjected to external force at the large deflection compensating joint and be stretched when causing limit position, limiting stopper contacts with back-up ring, prevents from that the short tube flange from pulling to form to leak from seal ring, has improved the safety in utilization of joint greatly;
3) adopt the whole interior rubber-lined pipe that has wave structure at short tube flange inner chamber, as the first road seal ring, metallic element and U RunddichtringO are formed the sealing of second road, play the effect of dual fail-safe.The corrugated rubber pipe can be stretched, compression and deflection.
Description of drawings
With embodiment the present invention is described in further detail with reference to the accompanying drawings below.
Fig. 1 is the structural representation of double-sealing large deflection compensating joint of the present invention;
Fig. 2 is the partial enlarged drawing at A place among Fig. 1.
Among the figure:
1, short tube flange; 2, corrugated rubber pipe; 3, limiting stopper; 4, gland; 5, sliding tube; 6, back-up ring; 7, U RunddichtringO; 8, O RunddichtringO; 9, Stamping Steel Ribbon; 10, attaching nut; 11, connecting bolt.
Embodiment
Please refer to Figure 1 and Figure 2, Fig. 1 is the structural representation of double-sealing large deflection compensating joint of the present invention; Fig. 2 is the partial enlarged drawing at A place among Fig. 1.
In present embodiment, a kind of double-sealing large deflection compensating joint, it comprises two short tube flanges 1 of connecting tube, be provided with gland 4 on the cylindrical of described two short tube flanges 1, be provided with Stamping Steel Ribbon 9 in the described gland 4, and be equipped with connecting bolt 11 on the described gland 4, the bolt 11 that is connected is provided with attaching nut 10, and be provided with between described two glands 4 and be connected with sliding tube 5 by back-up ring 6, cooperate back-up ring 6 to be provided with limiting stopper 3 in the end face of described short tube flange 1, described gland 4, be provided with U RunddichtringO 7 in the cavity that short tube flange 1 and back-up ring 6 form, the lip place of described U RunddichtringO 7 is provided with O RunddichtringO 8, and is the corrugated rubber pipe 2 of ripple struction in the middle of being provided with in the inner chamber of described two short tube flanges 1 formation.
Above-mentioned double-sealing large deflection compensating joint is with the sealing configuration of U RunddichtringO 7 and the O RunddichtringO 8 combinations gland 4 of packing into, in the cavity volume that short tube flange 1 and back-up ring 6 form, rely on connecting bolt 11, attaching nut 10 screwing force compresses seal, thereby make seal ring generation resiliently deformable be close to cavity volume and reach the purpose of organizing dielectric leakage, be provided with limiting stopper 3 in the end of short tube flange 1, being subjected to external force at the large deflection compensating joint is stretched when causing limit position, limiting stopper 3 contacts with back-up ring 6, prevent that short tube flange 1 from pulling formation and leaking from seal ring, improved the safety in utilization of joint greatly; Adopt the whole liner corrugated rubber pipe 2 that has wave structure at short tube flange 1 inner chamber, as the first road seal ring, metallic element and U RunddichtringO are formed the sealing of second road, play the effect of dual fail-safe, corrugated rubber pipe 2 can be stretched, compression and deflection, good sealing effect not only, and can big deflection angle of compensate for slower and off-centre.
Claims (4)
1. double-sealing large deflection compensating joint, it is characterized in that: it comprises two short tube flanges of connecting tube, all be provided with gland on the cylindrical of described two short tube flanges by fastening piece, be provided with between described two glands and be connected with sliding tube by back-up ring, cooperate back-up ring to be provided with limiting stopper in the end face of described short tube flange, described gland is provided with seal arrangement in the cavity that short tube flange and back-up ring form, and is provided with the corrugated rubber pipe in the inner chamber of described two short tube flanges formation.
2. double-sealing large deflection compensating joint according to claim 1 is characterized in that: described seal arrangement comprises U RunddichtringO and the O RunddichtringO that combination is provided with, and described O RunddichtringO is arranged at the lip place of U RunddichtringO.
3. double-sealing large deflection compensating joint according to claim 2 is characterized in that: be provided with Stamping Steel Ribbon in the described gland.
4. according to claim 1,2 or 3 each described double-sealing large deflection compensating joints, it is characterized in that: described fastening piece comprises connecting bolt and attaching nut, and described connecting bolt is arranged on the gland, utilizes the attaching nut to lock.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105110921A CN101975322A (en) | 2010-10-19 | 2010-10-19 | Dual-seal large-deflection compensating joint |
| CN2011202050863U CN202100885U (en) | 2010-10-19 | 2011-06-17 | Double-seal large-deflection compensation joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105110921A CN101975322A (en) | 2010-10-19 | 2010-10-19 | Dual-seal large-deflection compensating joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101975322A true CN101975322A (en) | 2011-02-16 |
Family
ID=43575225
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105110921A Pending CN101975322A (en) | 2010-10-19 | 2010-10-19 | Dual-seal large-deflection compensating joint |
| CN2011202050863U Expired - Fee Related CN202100885U (en) | 2010-10-19 | 2011-06-17 | Double-seal large-deflection compensation joint |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202050863U Expired - Fee Related CN202100885U (en) | 2010-10-19 | 2011-06-17 | Double-seal large-deflection compensation joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN101975322A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742645A (en) * | 2013-12-20 | 2014-04-23 | 广西南宁德通网络有限公司 | Assembly-type seal ring |
| CN104633362A (en) * | 2015-03-13 | 2015-05-20 | 高玉琴 | Abrasion resistant sleeve compensator |
| CN104633364A (en) * | 2015-03-13 | 2015-05-20 | 高玉琴 | High-pressure-resistant sleeve compensator |
| CN105135136A (en) * | 2015-09-24 | 2015-12-09 | 江苏广通管业制造有限公司 | Rubber expansion joint resisting axial deformation |
| CN105443912A (en) * | 2015-03-13 | 2016-03-30 | 高玉琴 | Sleeve compensator |
| CN106090225A (en) * | 2016-08-17 | 2016-11-09 | 上海太太乐食品有限公司 | A kind of axle class transmission seal device exempting from lubricant |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439359A (en) * | 2016-10-12 | 2017-02-22 | 沈圣良 | Hyper-stable wavelike metal compensator for large-diameter heat pipeline |
-
2010
- 2010-10-19 CN CN2010105110921A patent/CN101975322A/en active Pending
-
2011
- 2011-06-17 CN CN2011202050863U patent/CN202100885U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742645A (en) * | 2013-12-20 | 2014-04-23 | 广西南宁德通网络有限公司 | Assembly-type seal ring |
| CN104633362A (en) * | 2015-03-13 | 2015-05-20 | 高玉琴 | Abrasion resistant sleeve compensator |
| CN104633364A (en) * | 2015-03-13 | 2015-05-20 | 高玉琴 | High-pressure-resistant sleeve compensator |
| CN105443912A (en) * | 2015-03-13 | 2016-03-30 | 高玉琴 | Sleeve compensator |
| CN105135136A (en) * | 2015-09-24 | 2015-12-09 | 江苏广通管业制造有限公司 | Rubber expansion joint resisting axial deformation |
| CN106090225A (en) * | 2016-08-17 | 2016-11-09 | 上海太太乐食品有限公司 | A kind of axle class transmission seal device exempting from lubricant |
| CN106090225B (en) * | 2016-08-17 | 2018-09-14 | 上海太太乐食品有限公司 | A kind of axis class transmission seal device for exempting from lubricant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN202100885U (en) | 2012-01-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20110216 |