CN102313095A - Large-deflection loose spherical compensation joint - Google Patents

Large-deflection loose spherical compensation joint Download PDF

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Publication number
CN102313095A
CN102313095A CN2010102235963A CN201010223596A CN102313095A CN 102313095 A CN102313095 A CN 102313095A CN 2010102235963 A CN2010102235963 A CN 2010102235963A CN 201010223596 A CN201010223596 A CN 201010223596A CN 102313095 A CN102313095 A CN 102313095A
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CN
China
Prior art keywords
spherical
spherical shell
short tube
gland
ring
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Pending
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CN2010102235963A
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Chinese (zh)
Inventor
吕增和
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XINGHUA TONGKE MACHINERY CO Ltd
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XINGHUA TONGKE MACHINERY CO Ltd
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Application filed by XINGHUA TONGKE MACHINERY CO Ltd filed Critical XINGHUA TONGKE MACHINERY CO Ltd
Priority to CN2010102235963A priority Critical patent/CN102313095A/en
Publication of CN102313095A publication Critical patent/CN102313095A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a large-deflection loose spherical compensation joint, which comprises a body, two movable short tubes, a gland, baffle rings, a limitation block and a seal ring and is characterized in that: the body is a spherical shell with a segment of spherical inner cavity; the short tubes form a spherical shell with a segment of spherical inner cavity along the direction of an inner end surface; the diameter of the spherical shell of the body is greater than the diameter of the spherical shell of the short tubes; inner sides of two end surfaces of the body are respectively provided with the baffle ring; the baffle rings are sleeved outside the spherical shell of the short tubes; the limitation block is arranged on the spherical shell of the short tubes; the seal ring is arranged between the baffle rings and the gland, is a U-shaped seal ring, and is contacted with the outer wall of the spherical shell of the short tubes; and a contact surface between the seal ring and the outer wall of the short tubes is a spherical surface. The large-deflection loose spherical compensation joint has the advantages of simple structure, reliable sealing, large deflection angle and eccentricity.

Description

The spherical compensating joint of large deflection pine cover
Technical field:
The present invention relates to a kind of pipe joint, relate in particular to the spherical compensating joint of a kind of large deflection pine cover.
Background technique:
Serious owing to surface subsidence, vibrations are big, with a varied topography and seasonal variations and pipeline deflection pipeline deflection that day and night temperature difference is big and the external force effect produces, pipeline turns round and expand with heat and contract with cold etc. all can pipeline be produced serious influence, to remedy the axial displacement and the deflection angle of pipeline eccentric so compensator must be set on the pipeline.Existing compensator mainly contains square-shaped joints, filler bushing type compensating joint, bellow expansion joint, pine cover spherical joint, flexible pipe compensator etc.Square-shaped joints is sturdy and durable, and is reliable but the material consumption is big, and floor space is big, makes the heavy caliber square-shaped joints and expends man-hour, thereby be applicable to pipeline small-bore, 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; Flexible pipe joint such as gland loose tube compensation joint and flange 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 deflection angle, eccentric compensation rate less (the flexible amount: 2~3 °, offset: 2~5mm); Chinese patent, publication number: CN101694257A discloses a kind of large deflection loose tube compensation joint, and it comprises columned body, and two movable short tubes with flange are passed in the inside of body, and said flange is positioned at the both ends of the surface of short tube; Connecting end in the body both sides is connected with bolt with a gland respectively, and uses nut screwing clamping; The both ends of the surface inboard of body is installed a back-up ring respectively, and said shield ring sleeve is connected on the outside of said short tube, and on short tube, a limiting stopper is installed; Between back-up ring and the said gland seal ring is installed, is it is characterized in that, said seal ring is the U type, and seal ring contacts with the outer wall of short tube, and the surface of contact of seal ring and short tube outer wall is the cylndrical surface, its flexible amount: 6~7 °; Chinese patent, publication number: CN2570584 disclose a kind of pine cover spherical joint, and its maximum flexible amount reaches 20~30 °.Also there be not at present the report of maximum flexible amount greater than 30 ° pipe joint.This compensating joint with regard to active demand a kind of ability big deflection angle of compensate for slower (maximum flexible amount is greater than 30 °) and off-centre satisfies the needs of the demand and the actual engineering in market, better protection pipeline.
Summary of the invention:
Be to solve the deficiency of existing technology, the invention provides a kind of big deflection angle (maximum flexible amount is greater than 30 °) and the eccentric spherical compensating joint of large deflection pine cover, with the demand that satisfies market and the needs of actual engineering.
The present invention is achieved in that the spherical compensating joint of large deflection pine cover, comprises body, two movable short tubes, gland, back-up ring, limiting stopper, seal ring, and two movable short tubes with flange are passed in the inside of described body; Said flange is positioned at the exterior edge face of short tube; The connecting end of described body both sides is connected with bolt with a gland respectively, it is characterized in that: described body is one section spherical shell that inner chamber is spherical in shape, and described short tube forms one section spherical shell that inner chamber is spherical in shape along the interior edge face direction; Described body spherical shell diameter is greater than the diameter of short tube spherical shell; The both ends of the surface inboard of described body is separately installed with back-up ring, and described shield ring sleeve is connected on the outside of short tube spherical shell, and described short tube spherical shell is provided with limiting stopper; Between described back-up ring and the gland seal ring is installed; Described seal ring is the U RunddichtringO, and described seal ring contacts with the outer wall of short tube spherical shell, and its surface of contact is the ball face.
Be provided with one zero type Stamping Steel Ribbon in the described U RunddichtringO.
Described U RunddichtringO two ends internal surface respectively is provided with a jut.
The junction surface of described body and gland is provided with a circle Stamping Steel Ribbon.
On the described flange through hole is set.
The spherical compensating joint of described large deflection pine cover of the present invention embeds in the inner rectangle groove of gland.
Can relatively rotate between the body of the spherical compensating joint of large deflection pine cover of the present invention and the short tube spherical shell, guarantee that it has certain amount of deflection; The U RunddichtringO is installed between described back-up ring and the gland; The U RunddichtringO utilizes gland to be pressed on the smooth sphere of short tube spherical shell; Through the seal ring extrusion, reach the effect of sealing and deflection, have certain amount of deflection simultaneously; This seal style is simple, reliable, in the time of guaranteeing the compensation pipeline takes place in allowing deformation band displacement and do not leak.The maximum flexible amount of the spherical compensating joint of large deflection pine cover of the present invention reaches 36 °.
Advantage of the present invention is: simple in structure, sealing is reliable, have big deflection angle and off-centre.
Description of drawings:
Accompanying drawing 1 is the structural representation of the embodiment of the invention.
Label among Fig. 1 is: 1, body; 2, flange; 3, short tube; 4, gland; 5, bolt; 6, back-up ring; 7, limiting stopper; 8, seal ring; 9, spherical shell; 10, through hole; 11, zero type Stamping Steel Ribbon; 12, Stamping Steel Ribbon; 13, jut.
Embodiment:
Below in conjunction with accompanying drawing and embodiment, the present invention is made further detailed description, but does not constitute any restriction of the present invention:
As shown in Figure 1, the spherical compensating joint of this present invention large deflection pine cover comprises the movable short tube of body 1, two 3, gland 4, back-up ring 6, limiting stopper 7, seal ring 8; Two movable short tubes 3 with flange 2 are passed in the inside of described body 1, and said flange 2 is positioned at the exterior edge face of short tube 3, and the connecting end of described body 1 both sides is connected with a gland 4 usefulness bolts 5 respectively; Described body 1 is one section spherical shell that inner chamber is spherical in shape; Described short tube 3 forms one section spherical shell 9 that inner chamber is spherical in shape along the interior edge face direction, and described body 1 spherical shell diameter is greater than the diameter of short tube spherical shell 9, and the both ends of the surface inboard of described body 1 is separately installed with back-up ring 6; Described back-up ring 6 is socketed in the outside of short tube spherical shell 9; Described short tube spherical shell 9 is provided with limiting stopper 7, and seal ring 8 is installed between described back-up ring 6 and the gland 4, and described seal ring 8 is the U RunddichtringO; Described seal ring 8 contacts with the outer wall of short tube spherical shell 9, and its surface of contact is the ball face; Be provided with one zero type Stamping Steel Ribbon 11 in the described U RunddichtringO 8; Described U RunddichtringO 8 two ends internal surfaces respectively are provided with a jut 13; Described body 1 is provided with a circle Stamping Steel Ribbon 12 with the junction surface of gland 4; On the described flange 2 through hole 10 is set; The spherical compensating joint of described large deflection pine cover embeds in the inner rectangle groove of gland.
Can relatively rotate between described body 1 and the short tube spherical shell 9, guarantee that it has certain amount of deflection; U RunddichtringO 8 is installed between described back-up ring 6 and the gland 4, is provided with one zero type Stamping Steel Ribbon 11 in the described U RunddichtringO 8, can reach the double-sealing effect; Described U RunddichtringO 8 two ends internal surfaces respectively are provided with a jut 13, prevent that zero type Stamping Steel Ribbon 11 from coming off from U RunddichtringO 8; Described U RunddichtringO 8 utilizes gland 4 to be pressed on the smooth sphere of short tube spherical shell 9; Through 8 extrusions of U RunddichtringO; Outer wall to short tube spherical shell 9 produces the pretightening force that continues, and reaches the effect of sealing and deflection, has certain amount of deflection simultaneously; This seal style is simple, reliable, in the time of guaranteeing the compensation pipeline takes place in allowing deformation band displacement and do not leak.
The maximum flexible amount of the spherical compensating joint of large deflection pine cover of the present invention reaches 36 °.
Advantage of the present invention is: simple in structure, sealing is reliable, have big deflection angle and off-centre.

Claims (5)

1. the large deflection pine is overlapped spherical compensating joint; Comprise body (1), two movable short tubes (3), gland (4), back-up ring (6), limiting stopper (7), seal ring (8); Two movable short tubes (3) with flange (2) are passed in the inside of described body (1), and said flange (2) is positioned at the exterior edge face of short tube (3), and the connecting end of described body (1) both sides is connected with bolt (5) with a gland (4) respectively; It is characterized in that: described body (1) is one section spherical shell that inner chamber is spherical in shape; Described short tube (3) forms one section spherical shell (9) that inner chamber is spherical in shape along the interior edge face direction, and described body (1) spherical shell diameter is greater than the diameter of short tube spherical shell (9), and the both ends of the surface inboard of described body (1) is separately installed with back-up ring (6); Described back-up ring (6) is socketed in the outside of short tube spherical shell (9); Described short tube spherical shell (9) is provided with limiting stopper (7), between described back-up ring (6) and the gland (4) seal ring (8) is installed, and described seal ring (8) is the U RunddichtringO; Described seal ring (8) contacts with the outer wall of short tube spherical shell (9), and its surface of contact is the ball face.
2. the spherical compensating joint of large deflection pine cover according to claim 1 is characterized in that: be provided with one zero type Stamping Steel Ribbon (11) in the described U RunddichtringO (8).
3. the spherical compensating joint of large deflection pine cover according to claim 1, it is characterized in that: described U RunddichtringO (8) two ends internal surface respectively is provided with a jut (13).
4. the spherical compensating joint of large deflection pine cover according to claim 1 is characterized in that: described body (1) is provided with a circle Stamping Steel Ribbon (12) with the junction surface of gland (4).
5. the spherical compensating joint of large deflection pine cover according to claim 1 is characterized in that: through hole (10) is set on the described flange (2).
CN2010102235963A 2010-07-07 2010-07-07 Large-deflection loose spherical compensation joint Pending CN102313095A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010102235963A CN102313095A (en) 2010-07-07 2010-07-07 Large-deflection loose spherical compensation joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010102235963A CN102313095A (en) 2010-07-07 2010-07-07 Large-deflection loose spherical compensation joint

Publications (1)

Publication Number Publication Date
CN102313095A true CN102313095A (en) 2012-01-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010102235963A Pending CN102313095A (en) 2010-07-07 2010-07-07 Large-deflection loose spherical compensation joint

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CN (1) CN102313095A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104633363A (en) * 2015-03-13 2015-05-20 高玉琴 Maintenance-free sleeve compensator
CN109404641A (en) * 2018-12-05 2019-03-01 太原航空仪表有限公司 A kind of mechanical spherical surface compensator
CN109737256A (en) * 2018-12-24 2019-05-10 上海二十冶建设有限公司 Concreting conduit ball-type steering knuckle device
CN110966471A (en) * 2019-12-17 2020-04-07 太原航空仪表有限公司 Flexible sealing connecting sleeve for pipe fitting
CN114761723A (en) * 2019-11-12 2022-07-15 加里·阿瑟·斯特罗德 Offset alignment pivotable coupling fitting for sealably interconnecting high pressure lines

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104633363A (en) * 2015-03-13 2015-05-20 高玉琴 Maintenance-free sleeve compensator
CN109404641A (en) * 2018-12-05 2019-03-01 太原航空仪表有限公司 A kind of mechanical spherical surface compensator
CN109737256A (en) * 2018-12-24 2019-05-10 上海二十冶建设有限公司 Concreting conduit ball-type steering knuckle device
CN114761723A (en) * 2019-11-12 2022-07-15 加里·阿瑟·斯特罗德 Offset alignment pivotable coupling fitting for sealably interconnecting high pressure lines
CN110966471A (en) * 2019-12-17 2020-04-07 太原航空仪表有限公司 Flexible sealing connecting sleeve for pipe fitting

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WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20120111

WD01 Invention patent application deemed withdrawn after publication