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CN111623181B - Grooved flexible joint - Google Patents

Grooved flexible joint Download PDF

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Publication number
CN111623181B
CN111623181B CN202010419716.0A CN202010419716A CN111623181B CN 111623181 B CN111623181 B CN 111623181B CN 202010419716 A CN202010419716 A CN 202010419716A CN 111623181 B CN111623181 B CN 111623181B
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CN
China
Prior art keywords
groove
flexible
ring
joint
sealing
Prior art date
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Application number
CN202010419716.0A
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Chinese (zh)
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CN111623181A (en
Inventor
王晓光
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.)
Beijing Pioneer Pipeline Equipment Co ltd
Original Assignee
Beijing Pioneer Pipeline Equipment Co ltd
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Publication date
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Priority to CN202010419716.0A priority Critical patent/CN111623181B/en
Publication of CN111623181A publication Critical patent/CN111623181A/en
Application granted granted Critical
Publication of CN111623181B publication Critical patent/CN111623181B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses
    • F16L33/02Hose-clips
    • F16L33/04Hose-clips tightened by tangentially-arranged threaded pin and nut
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00Hoses, i.e. flexible pipes
    • F16L11/04Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/10Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements not embedded in the wall
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses
    • F16L33/18Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses characterised by the use of additional sealing means

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints Allowing Movement (AREA)

Abstract

本发明公开了一种沟槽软接头,其包括用于与外侧设置有沟槽的沟槽接头之间的连接,包括软连管,软连管的端部固设有定型架,定型架外侧套设有将软连管和沟槽接头连接的连接件,连接件上压紧连接有将沟槽接头与软连管外侧面封严连接的密封件;连接件包括连接环,连接环与软连管连接的一端固设有内限位环,内限位环与定型架沿软连管中心线方向的投影能部分重合,内限位环限制连接件和软连管相背移动分离;连接环与沟槽接头连接的一端固设有外限位环,外限位环的内侧能插入沟槽接头的沟槽内。本发明具有快速进行沟槽管道之间软连接的效果。

The present invention discloses a groove flexible joint, which includes a connection between a groove joint with a groove arranged on the outside, including a flexible connecting pipe, a shaping frame fixedly arranged at the end of the flexible connecting pipe, a connecting piece for connecting the flexible connecting pipe and the groove joint is sleeved on the outside of the shaping frame, and a sealing piece for sealingly connecting the groove joint and the outer side of the flexible connecting pipe is tightly connected on the connecting piece; the connecting piece includes a connecting ring, an inner limiting ring is fixedly arranged at one end of the connecting ring connected to the flexible connecting pipe, the projection of the inner limiting ring and the shaping frame along the center line direction of the flexible connecting pipe can partially overlap, and the inner limiting ring limits the connecting piece and the flexible connecting pipe from moving away from each other and separating; an outer limiting ring is fixedly arranged at one end of the connecting ring connected to the groove joint, and the inner side of the outer limiting ring can be inserted into the groove of the groove joint. The present invention has the effect of quickly performing a flexible connection between groove pipes.

Description

Groove soft joint
Technical Field
The invention relates to the technical field of flexible connection of pipelines, in particular to a groove soft joint.
Background
The pipe groove connection is sleeve type quick connection which is formed by sleeving rubber sealing rings on the ends of adjacent pipes after the pipe joint part is processed into an annular groove by adopting a special channeling machine and assembled by split type clamp pieces, C-shaped rubber sealing rings, fasteners and the like. The groove connection has the advantages of quick, simple, safe, reliable, economical, electric welding-free, pollution-free and the like, saves the expenditure of manpower and manpower mechanical fees, can absorb the noise, vibration propagation and expansion and contraction of the pipeline during operation, and is convenient for pipeline maintenance and maintenance without being limited by installation places. The grooved pipeline is generally suitable for pipeline engineering of water supply and drainage, fire protection, air conditioning and the like in life and production at a temperature of not more than 80 ℃.
The Chinese patent with the publication number of CN204312865U discloses a grooved pipeline clamp which comprises two clamp rings, bolts and nuts, wherein the clamp rings form semicircular notches, the notches of the two clamp rings are spliced relatively to form a circular channel, lugs are respectively formed at two ends of a clamp ring body, through holes are reserved on lugs corresponding to the two clamp rings, lugs at two sides of the two clamp rings respectively correspond to each other and are fixedly connected by screwing the nuts after the bolts pass through the through holes of the corresponding lugs, two sides of the lugs of the clamp rings are outwards protruded, and the transition part of the lugs and the body is inclined inwards. The groove pipeline clamp of the scheme can be applied to connection of groove pipelines, rolling groove pipelines and grooving pipelines.
The Chinese patent with the bulletin number of CN210424101U discloses a flexible connection pipeline, which comprises a first pipeline and a second pipeline, wherein the first pipeline and the second pipeline are connected through a flexible connection piece, the flexible connection piece comprises an aluminum alloy corrugated pipe, two ends of the aluminum alloy corrugated pipe are respectively provided with flange plates and are respectively fixedly connected with the first pipeline and the second pipeline through the flange plates, two ends of the aluminum alloy corrugated pipe are respectively provided with plug pipes, and the two plug pipes are respectively inserted into the first pipeline and the second pipeline.
The prior art scheme has the following defects that the prior groove pipeline soft connection mode is generally to fix flange joints on pipelines, then soft connection between the pipelines is realized through flanges by using hoses with flange joints at two ends, and the connection operation procedures are more and the time is long.
Disclosure of Invention
The invention aims to provide a groove soft joint which has the effect of rapidly carrying out soft connection between groove pipelines.
The technical aim of the invention is realized by the following technical scheme:
The soft groove joint is used for being connected with a groove joint with a groove arranged on the outer side, and comprises a soft connecting pipe, wherein a rigid shaping frame is fixedly arranged at the end part of the soft connecting pipe, a connecting piece for connecting the soft connecting pipe with the groove joint is sleeved on the outer side of the shaping frame, and a sealing piece for tightly sealing and connecting the groove joint with the outer side surface of the soft connecting pipe is tightly pressed and connected on the connecting piece;
The connecting piece comprises a connecting ring, an inner limiting ring is fixedly arranged at one end of the connecting ring, which is connected with the soft connecting pipe, the inner limiting ring and the projection of the shaping frame along the central line direction of the soft connecting pipe can be partially overlapped, and the inner limiting ring limits the connecting piece and the soft connecting pipe to move away from each other and separate;
an outer limiting ring is fixedly arranged at one end, connected with the groove joint, of the connecting ring, and the inner side of the outer limiting ring can be inserted into a groove of the groove joint;
The seal member includes an inner seal ring for sealing between the sizing frame and the connector member, and the seal member includes an outer seal ring for sealing between the groove joint outer surface and the connector member.
Through adopting above-mentioned technical scheme, with the design frame with the slot joint alignment back, locate soft connecting pipe and slot joint outside with the connecting piece cover, the port that design frame and slot joint is located between interior spacing ring and the outer spacing ring, and outer spacing ring is located the slot of slot joint, interior spacing ring is located the one side that the design frame was back to slot joint, block slot joint and design frame and remove in opposite directions, soft connecting pipe can bear certain pressure effect, the sealing member is used for keeping the sealing between soft connecting pipe and the slot joint, avoid the outflow of the soft joint inner chamber of slot to ooze, the other end of slot joint is connected with the joint of other pipelines or valves, be used for the soft coupling between pipeline, be applicable to the junction of buckling of pipeline, be convenient for adjust the installation, the junction of valve or pump mouth can absorb the vibration in the valve or the pump mouth use, absorb the vibration energy in the pipeline, improve the stability of pipeline connection, the soft joint's of slot is installed and is convenient simultaneously with low costs.
The invention is further arranged that the opposite ends of the inner sealing ring and the outer sealing ring are tightly connected.
Through adopting above-mentioned technical scheme, the sealed connection of the relative one end of interior sealing ring and outer sealing ring can block the circumstances emergence that oozes after the gap between interior sealing ring and the outer sealing ring of the soft joint inner chamber of slot gets into between sealing member and the connecting piece, guarantees the good sealing effect of sealing member.
The invention is further arranged that the outer side surface of the outer sealing ring is contacted with the inner side surface of the connecting ring, the surface of the outer sealing ring opposite to the inner sealing ring is contacted with the surface of the outer limiting ring facing the inner limiting ring, and the inner side surface of the outer sealing ring is contacted with the outer surface of the groove joint;
the surface of the outer sealing ring facing the inner sealing ring is provided with a pressing groove.
Through adopting above-mentioned technical scheme, when flowing through the fluid that has pressure in the slot soft joint, the fluid that has pressure can get into the compaction groove, and the fluid that has pressure exerts the effort to the compaction groove side, along with the increase of fluid internal pressure, the pressure effect between outer sealing ring and the slot joint lateral surface is bigger, and the outer sealing ring is to the leakproofness between slot joint and the connecting piece higher.
The invention further provides that the flexible connecting tube comprises a tubular flexible supporting layer, the flexible connecting tube comprises a sealing layer positioned on the inner side of the flexible supporting layer, and the sealing layer blocks the fluid in the inner cavity of the flexible connecting tube from flowing out.
By adopting the technical scheme, the pressure fluid in the groove soft joint applies pressure to the sealing layer, the pressure born by the sealing layer is transferred to the flexible supporting layer, the flexible supporting layer is a supporting framework of the soft connecting pipe, the stability of the sealing layer is kept, the sealing layer has good compactness, and the fluid of the soft connecting pipe is kept to flow in the inner cavity of the sealing layer.
The invention is further arranged that the flexible connecting tube comprises a protective layer outside the flexible supporting layer.
Through adopting above-mentioned technical scheme, the inoxidizing coating can protect the outside of flexible supporting layer, reduces the erosion and abrasion of external material to flexible supporting layer when the soft joint of slot uses.
The invention is further arranged that the shaping frame is positioned in the flexible supporting layer.
Through adopting above-mentioned technical scheme, be located the setting frame in the flexible supporting layer and when keeping the soft connecting tube to be connected with the connecting piece, can avoid the fluid contact in the soft joint of slot, slow down the corruption of setting frame.
The invention is further characterized in that the shaping frame is a circular ring connected with the soft connecting pipe, and the protective layer, the sealing layer, the inner sealing ring and the outer sealing ring are integrally formed.
Through adopting above-mentioned technical scheme, annular design frame stable in structure, the atress is even, inoxidizing coating, closure layer, interior sealing ring and outer sealing ring integrated into one piece, and the leakproofness of sealing member is higher, reduces the manufacturing cost of slot soft joint, is convenient for the batch production of slot soft joint.
The invention is further characterized in that the two ends of the soft connecting pipe are fixedly provided with the shaping frames, and the two ends of the soft connecting pipe are provided with the connecting piece and the sealing piece.
Through adopting above-mentioned technical scheme, the both ends of soft coupling pipe can be realized fast with the connection of two slot joints through design frame, connecting piece and sealing member.
The invention is further arranged that the soft connecting pipe is a sphere-like pipe with the inner diameter gradually reduced from the middle to the two ends along the central line direction of the soft connecting pipe.
By adopting the technical scheme, the structure of the soft connecting pipe can keep better stability when the axes of the two ports of the soft connecting pipe are staggered or a certain included angle appears.
The invention further provides that the connecting piece is an existing pipe clamp.
By adopting the technical scheme, the conventional pipe clamp is used as a connecting piece, so that the cost of the groove soft joint is reduced, and workers can directly perform installation operation without other training.
In summary, the present invention includes at least one of the following beneficial effects:
1. after aligning the shaping frame and the groove joint, sleeving the connecting piece on the outer sides of the soft connecting pipe and the groove joint, wherein the ports of the shaping frame and the groove joint are positioned between the inner limiting ring and the outer limiting ring, the outer limiting ring is positioned in the groove of the groove joint, the inner limiting ring is positioned on one side of the shaping frame, which is opposite to the groove joint, to stop the groove joint and the shaping frame from moving, the soft connecting pipe can bear a certain pressure effect, the sealing piece is used for keeping the sealing between the soft connecting pipe and the groove joint, so as to avoid the outflow and exudation of the inner cavity of the soft connecting pipe, the other end of the groove joint is connected with the joints of other pipelines or valves, and is used for soft connection between the pipelines and the valves, so that the connecting piece is suitable for bending connection of the pipelines, is convenient for adjusting and mounting, can absorb vibration in the use process of the valves or the pump ports, and can absorb vibration energy in the pipelines, improve the stability of the connection of the pipelines, and meanwhile, the soft connecting pipe is convenient to install and construct and low in cost;
2. When fluid with pressure flows in the groove soft joint, the fluid with pressure can enter the compression groove, the fluid with pressure exerts acting force on the side surface of the compression groove, and as the pressure in the fluid increases, the greater the pressure effect between the outer sealing ring and the outer side surface of the groove joint is, the higher the tightness of the outer sealing ring between the groove joint and the connecting piece is;
3. The annular shaping frame is stable in structure and even in stress, the protective layer, the sealing layer, the inner sealing ring and the outer sealing ring are integrally formed, the sealing performance of the sealing piece is high, the production cost of the groove soft joint is reduced, and the groove soft joint is convenient to produce in batches.
Drawings
FIG. 1 is a schematic view of the overall semi-cutaway structure of the first embodiment;
FIG. 2 is an enlarged view at A in FIG. 1;
Fig. 3 is a schematic view showing a partial sectional structure of a seal member and a connecting member in the third embodiment.
In the figure, 1, a groove joint, 2, a soft connecting pipe, 21, a flexible supporting layer, 22, a sealing layer, 23, a protective layer, 3, a shaping frame, 4, a connecting piece, 41, a connecting ring, 42, an inner limiting ring, 43, an outer limiting ring, 5, a sealing piece, 51, an inner sealing ring, 52, an outer sealing ring, 53 and a pressing groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
Referring to fig. 1 and 2, a groove soft joint is disclosed for connection with a groove joint 1 provided with a groove on the outer side, wherein the groove joint 1 is a joint formed by using a groove machine on the outer side of a port of a pipeline, and the groove is at a distance from the port of the groove joint 1.
The groove hose comprises a hose 2, the hose 2 comprising a tubular flexible support layer 21, the flexible support layer 21 being in this embodiment a cord fabric, which is the carcass material of the tire casing, and in other embodiments other flexible and tensile-bearing materials, such as steel wire mesh. The flexible tube 2 comprises a sealing layer 22 inside the flexible support layer 21, the sealing layer 22 being in this embodiment a rubber layer, in other embodiments other flexible and dense layers, the sealing layer 22 blocking the outflow of fluid from the inner cavity of the flexible tube 2.
The pressure fluid in the groove soft joint applies pressure to the sealing layer 22, the pressure born by the sealing layer 22 is transferred to the flexible supporting layer 21, the flexible supporting layer 21 is a supporting framework of the soft connecting pipe, the stability of the sealing layer 22 is kept, the sealing layer 22 has good compactness, and the fluid of the soft connecting pipe 2 is kept to flow in the inner cavity of the soft connecting pipe.
The flexible pipe 2 comprises a protective layer 23 located outside the flexible support layer 21, the protective layer 23 being a rubber layer in this embodiment, the protective layer 23 being capable of protecting the outside of the flexible support layer 21 and reducing erosion and abrasion of the flexible support layer 21 by foreign substances when the groove flexible joint is in use.
The flexible connecting tube 2 comprises a similar spherical tube with equal wall thickness in the middle and gradually reduced inner diameters from the middle to two ends along the central line direction of the flexible connecting tube 2 comprises end special-shaped tubes with equal inner diameters at the two ends of the similar spherical tube. The soft connecting tube 2 can keep better stability when the axes of the two ports of the soft connecting tube 2 are staggered or a certain included angle appears.
The two ends of the flexible connecting tube 2 are fixedly provided with rigid shaping frames 3, the shaping frames 3 are circular rings connected with the flexible connecting tube 2, the shaping frames 3 are positioned in the flexible supporting layer 21, and the shaping frames 3 are positioned at two end special-shaped tube parts of the flexible connecting tube 2. The shaping frame 3 positioned in the flexible supporting layer 21 can avoid contacting with fluid in the groove soft joint and slow down the corrosion of the shaping frame 3 while keeping the soft connecting pipe 2 connected with the connecting piece 4.
The connecting piece 4 that connects flexible coupling pipe 2 and slot joint 1 is equipped with to the cover in the design frame 3 outside, connecting piece 4 includes go-between 41, go-between 41 is the ring, go-between 41 has set firmly interior spacing ring 42 with the one end that flexible coupling pipe 2 is connected, the internal diameter of interior spacing ring 42 reduces along keeping away from go-between 41 direction gradually, the wall thickness of interior spacing ring 42 is the same, the internal diameter of interior spacing ring 42 is the ring that the internal diameter is fixed along keeping away from the one end of go-between 41, interior spacing ring 42 and go-between 41 integrated into one piece, interior spacing ring 42 can partially coincide with the projection of design frame 3 along flexible coupling pipe 2 central line direction, interior spacing ring 42 restriction connecting piece 4 and flexible coupling pipe 2 are moved the separation in a back of the body mutually.
The one end that go-between 41 and the slot joint 1 is connected has set firmly outer spacing ring 43, and the internal diameter of outer spacing ring 43 reduces gradually along keeping away from go-between 41 direction, and outer spacing ring 43's wall thickness is the same, outer spacing ring 43 and go-between 41 integrated into one piece, and the internal diameter of outer spacing ring 43 is along keeping away from the one end of go-between 41 for the ring that the internal diameter is fixed and be less than the other partial internal diameters of outer spacing ring 43, and this ring of the inboard of outer spacing ring 43 can insert in the slot of slot joint 1.
The connecting piece 4 is an existing pipe clamp in the embodiment, the existing pipe clamp can also be called a pipe clamp, the groove pipe fitting is a semicircular clamping piece with two ends connected by bolts, and in other embodiments, the pipe clamp is a semicircular clamping piece with two ends hinged and the other end connected by bolts. In other embodiments, other arcuate members having a U-shaped cross-section that are compressively attachable to each other are also possible.
The use of the existing pipe strap as the connector 4 reduces the cost of the groove hose connector and allows the worker to perform the installation operation directly without having to perform additional training.
The connecting piece 4 is tightly connected with a sealing piece 5 which tightly seals the groove joint 1 and the outer side face of the soft connecting pipe 2, and the whole structure of the sealing piece 5 is an annular tubular structure. The seal 5 comprises an inner sealing ring 51 for sealing between the shaped carrier 3 and the connecting piece 4, and the seal 5 comprises an outer sealing ring 52 for sealing between the outer surface of the groove joint 1 and the connecting piece 4.
The opposite ends of the inner sealing ring 51 and the outer sealing ring 52 are tightly connected, the cross section of the inner sealing ring 51 is similar to a right trapezoid, and in this embodiment, the protective layer 23, the sealing layer 22, the inner sealing ring 51 and the outer sealing ring 52 are integrally formed, and can be directly integrally formed by using rubber.
The condition that the fluid in the inner cavity of the groove soft joint can be prevented from entering the gap between the inner sealing ring 51 and the outer sealing ring 52 and then seeping out after entering the gap between the sealing piece 5 and the connecting piece 4 occurs by tightly sealing one ends of the inner sealing ring 51 and the outer sealing ring 52, so that a good sealing effect of the sealing piece 5 is ensured.
The outer side surface of the outer sealing ring 52 is contacted with the inner side surface of the connecting ring 41, the surface of the outer sealing ring 52 opposite to the inner sealing ring 51 is contacted with the surface of the outer limiting ring 43 facing the inner limiting ring 42, the inner side surface of the outer sealing ring 52 is contacted with the outer surface of the groove joint 1, and the surface of the outer sealing ring 52 facing the inner sealing ring 51 is provided with a pressing groove 53.
When fluid with pressure flows through the groove soft joint, the fluid with pressure can enter the compression groove 53, the fluid with pressure exerts a force on the side surface of the compression groove 53, and as the pressure in the fluid increases, the greater the pressure effect between the outer sealing ring 52 and the outer side surface of the groove joint 1, the higher the tightness of the outer sealing ring 52 between the groove joint 1 and the connecting piece 4.
The implementation principle of the embodiment is as follows:
After aligning the shaping frame 3 with the groove joint 1, sleeving the connecting piece 4 on the outer sides of the soft connecting pipe 2 and the groove joint 1, enabling ports of the shaping frame 3 and the groove joint 1 to be located between the inner limiting ring 42 and the outer limiting ring 43, enabling the outer limiting ring 43 to be located in a groove of the groove joint 1, enabling the inner limiting ring 42 to be located on one side, back to the groove joint 1, of the shaping frame 3, blocking the groove joint 1 and the shaping frame 3 to move back to back, enabling the soft connecting pipe 2 to bear a certain pressure effect, enabling the sealing piece 5 to be used for keeping sealing between the soft connecting pipe 2 and the groove joint 1, enabling the other end of the groove joint 1 to be connected with the groove joint 1 of other pipelines or valves, facilitating adjustment and installation, enabling installation and construction of the groove soft joint to be convenient, and low in cost.
Example two
The groove soft joint is different from the embodiment 1 in that a shaping frame 3 is fixed at one end of the soft connecting tube 2, and a connecting piece 4 and a sealing piece 5 are arranged at one end of the soft connecting tube 2 where the shaping frame 3 is arranged. The other end of the soft connecting pipe 2 is fixedly provided with a flange joint, and one end of the soft connecting pipe 2 connected with the flange joint is connected with the existing soft pipe flange joint. The device is suitable for connecting one end with the groove joint 1, connecting the other end with the flange joint, and arranging the other end of the soft connecting pipe 2 in other embodiments and arranging other connecting modes for quick connection with a pipeline.
The angle between the axes of the two ports of the flexible tube 2 may be any angle of greater than 0 ° and less than or equal to 180 °, in this embodiment 90 °. The quick connecting device is suitable for quick and stable connection of bent parts and different axes of the groove pipeline.
Example III
Referring to fig. 3, a groove soft joint is different from embodiment 1 in that an inner seal ring 51 and an outer seal ring 52 are separately provided. The outer sealing ring 52 is an annular sealing ring arranged in the groove of the groove joint 1, and the outer limiting ring 43, the outer sealing ring 52 and the groove joint 1 are in compression connection.
The inner sealing ring 51 is an annular sealing ring sleeved on the outer side of the shaping frame 3, and the shaping frame 3, the inner sealing ring 51 and the connecting piece 4 are in compression connection.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.

Claims (7)

1.一种沟槽软接头,其特征在于:用于与外侧设置有沟槽的沟槽接头(1)之间的连接,包括软连管(2),所述软连管(2)的端部固设有刚性的定型架(3),所述定型架(3)外侧套设有将软连管(2)和沟槽接头(1)连接的连接件(4),所述连接件(4)上压紧连接有将沟槽接头(1)与软连管(2)外侧面封严连接的密封件(5);1. A groove flexible joint, characterized in that it is used for connection with a groove joint (1) with a groove on the outside, comprising a flexible connecting pipe (2), a rigid shaping frame (3) is fixedly provided at the end of the flexible connecting pipe (2), a connecting piece (4) for connecting the flexible connecting pipe (2) and the groove joint (1) is sleeved on the outside of the shaping frame (3), and a sealing piece (5) for sealingly connecting the groove joint (1) and the outer side of the flexible connecting pipe (2) is tightly connected to the connecting piece (4); 所述连接件(4)包括连接环(41),所述连接环(41)与软连管(2)连接的一端固设有内限位环(42),所述内限位环(42)与定型架(3)沿软连管(2)中心线方向的投影能部分重合,所述内限位环(42)限制连接件(4)和软连管(2)相背移动分离;The connecting member (4) comprises a connecting ring (41), and an inner limiting ring (42) is fixedly provided at one end of the connecting ring (41) connected to the flexible connecting tube (2). The inner limiting ring (42) and the projection of the shaping frame (3) along the center line direction of the flexible connecting tube (2) can partially overlap, and the inner limiting ring (42) limits the connecting member (4) and the flexible connecting tube (2) from moving away from each other and separating. 所述连接环(41)与沟槽接头(1)连接的一端固设有外限位环(43),所述外限位环(43)的内侧能插入沟槽接头(1)的沟槽内;An outer limiting ring (43) is fixedly provided at one end of the connecting ring (41) connected to the groove joint (1), and the inner side of the outer limiting ring (43) can be inserted into the groove of the groove joint (1); 所述密封件(5)包括用于定型架(3)与连接件(4)之间密封的内密封环(51),所述密封件(5)包括用于沟槽接头(1)外表面与连接件(4)之间的外密封环(52);The sealing member (5) comprises an inner sealing ring (51) for sealing between the calibrating frame (3) and the connecting member (4), and the sealing member (5) comprises an outer sealing ring (52) for sealing between the outer surface of the groove joint (1) and the connecting member (4); 所述外密封环(52)的外侧面与连接环(41)内侧面接触,所述外密封环(52)与内密封环(51)相对的表面与外限位环(43)朝向内限位环(42)的表面接触,所述外密封环(52)的内侧面与沟槽接头(1)的外表面接触;The outer side surface of the outer sealing ring (52) contacts the inner side surface of the connecting ring (41), the surface of the outer sealing ring (52) opposite to the inner sealing ring (51) contacts the surface of the outer limiting ring (43) facing the inner limiting ring (42), and the inner side surface of the outer sealing ring (52) contacts the outer surface of the groove joint (1); 所述外密封环(52)朝向内密封环(51)的表面开设有压紧槽(53);The outer sealing ring (52) is provided with a pressing groove (53) on the surface facing the inner sealing ring (51); 所述内密封环(51)和外密封环(52)相对的一端封严连接;The inner sealing ring (51) and the outer sealing ring (52) are tightly connected at opposite ends; 所述软连管(2)包括管状的柔性支撑层(21),所述软连管(2)包括位于柔性支撑层(21)内侧的封闭层(22),所述封闭层(22)阻挡软连管(2)内腔的流体流出。The flexible connecting tube (2) comprises a tubular flexible supporting layer (21), and the flexible connecting tube (2) comprises a sealing layer (22) located inside the flexible supporting layer (21), wherein the sealing layer (22) blocks the fluid in the inner cavity of the flexible connecting tube (2) from flowing out. 2.根据权利要求1所述的沟槽软接头,其特征在于:所述软连管(2)包括位于柔性支撑层(21)外侧的防护层(23)。2. The groove flexible joint according to claim 1, characterized in that the flexible connecting pipe (2) includes a protective layer (23) located outside the flexible supporting layer (21). 3.根据权利要求1所述的沟槽软接头,其特征在于:所述定型架(3)位于柔性支撑层(21)内。3. The groove flexible joint according to claim 1 is characterized in that the shaping frame (3) is located inside the flexible supporting layer (21). 4.根据权利要求2所述的沟槽软接头,其特征在于:所述定型架(3)为与软连管(2)连接的圆环,所述防护层(23)、封闭层(22)、内密封环(51)和外密封环(52)一体成型。4. The groove flexible joint according to claim 2 is characterized in that: the shaping frame (3) is a circular ring connected to the flexible connecting pipe (2), and the protective layer (23), the sealing layer (22), the inner sealing ring (51) and the outer sealing ring (52) are integrally formed. 5.根据权利要求1所述的沟槽软接头,其特征在于:所述软连管(2)的两端均固设有定型架(3),所述软连管(2)的两端均设置有连接件(4)和密封件(5)。5. The groove flexible joint according to claim 1, characterized in that: both ends of the flexible connecting pipe (2) are fixed with a shaping frame (3), and both ends of the flexible connecting pipe (2) are provided with a connecting piece (4) and a sealing piece (5). 6.根据权利要求1所述的沟槽软接头,其特征在于:所述软连管(2)为沿其中心线方向由中间向两端内径逐渐减小的类球形管。6. The groove flexible joint according to claim 1 is characterized in that the flexible connecting tube (2) is a spherical tube whose inner diameter gradually decreases from the middle to both ends along its center line. 7.根据权利要求1所述的沟槽软接头,其特征在于:所述连接件(4)为现有的管卡。7. The groove flexible joint according to claim 1, characterized in that the connecting piece (4) is an existing pipe clamp.
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CN206018016U (en) * 2016-07-25 2017-03-15 青岛海力威新材料科技股份有限公司 A kind of fluted tube clamp
CN212319097U (en) * 2020-05-18 2021-01-08 北京首航盛世管道设备有限公司 Groove soft joint

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CN202597971U (en) * 2012-05-23 2012-12-12 泉州市沪航阀门制造有限公司 Rubber flexible joint
CN206018016U (en) * 2016-07-25 2017-03-15 青岛海力威新材料科技股份有限公司 A kind of fluted tube clamp
CN212319097U (en) * 2020-05-18 2021-01-08 北京首航盛世管道设备有限公司 Groove soft joint

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