CN217603592U - Tensile flexible pipe joint - Google Patents

Abstract

The utility model discloses a tensile flexible pipe joint, including flange inner core, sealing washer, interior locking clamp, components of a whole that can function independently inside lining and locking overcoat. The utility model adopts the clamp and the buckling and pressing joint to form a new joint form, the inner locking clamp is meshed with the locking flexible pipe, the meshed part destroys the glass fiber layer, the local part is sacrificed to obtain the tensile force of high strength, the buckling and pressing locking part consisting of the flange inner core, the split inner lining and the locking outer sleeve further locks and prevents the falling off, simultaneously, the glass fiber layer of the remaining flexible pipe at the joint is protected to be complete, and the sealing performance is ensured by the sealing ring; the utility model is suitable for steel wire pipes and aramid fiber pipes, and is also suitable for glass fiber pipes which are easy to break and high-temperature and high-pressure environments; simultaneously the utility model discloses the installation is convenient, only need the spanner can, need not special withholding devices such as withholding machine and power station.

Description

Tensile flexible pipe joint

Technical Field

The utility model relates to a compound effective joint technical field for the ocean especially relates to a tensile flexible pipe joint.

Background

The flexible coupling of current ocean adopts the withholding to connect usually, and the withholding of traditional flexible pipe connects the installation, for guaranteeing withholding leakproofness and the tensile strength that the joint compressed tightly, need adopt hundreds of jin's withholding machine, on-the-spot installation difficulty, it is very inconvenient, and some clamp joints of current, at high pressure, under the high temperature environment, the direct chucking of clamp is easy to crush in joint department, destroy the fine layer of glass of flexible pipe, high temperature still can melt the pipeline, clamp chucking department sealing performance is difficult to guarantee, be difficult to use flexible pipe joint of ocean.

There are also some crimping connectors which are screwed by hand threads, as shown in patent ZL202121531720.2, but the crimping connectors have insufficient tensile properties and are easy to dynamic fatigue failure and drag and pull off.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a tensile flexible pipe joint.

The utility model adopts the following technical scheme:

the utility model provides a tensile flexible pipe joint, including the flange inner core, the sealing washer, interior locking clamp, components of a whole that can function independently inside lining and locking overcoat, be provided with connection boss and clamp draw-in groove on the flange inner core, connection boss and clamp draw-in groove are near setting up, set up the inner core external screw thread on the connection boss, the inboard clamp draw-in groove that corresponds of interior locking clamp is provided with the clamp ka tai, the clamp ka tai sets up with the cooperation of clamp draw-in groove, be provided with the seal ring groove on the flange inner core anterior segment, the seal ring inslot is provided with the sealing washer, the flexible pipe inserts in the flange inner core until near the clamp draw-in groove, form sealedly between flexible pipe inner wall and the sealing washer, interior locking clamp chucking clamp draw-in groove and flexible pipe fastening are fixed, the outside flexible pipe hugs closely clamp draw-in groove cover has the components of a whole that can function independently inside lining and interior locking clamp overcoat, the locking overcoat compresses tightly inside lining and interior locking clamp, locking overcoat connector sets up the overcoat internal thread, through screw thread and connection boss threaded connection, the components of a whole that can function independently is provided with the wedge inner wall outward, the locking overcoat corresponds the junction is provided with wedge.

The clamping table of the locking clamp in the two sections is meshed with the clamping groove of the flange inner core clamp, the clamp is locked through the bolt group, the inner teeth of the clamp are meshed with the outer wall of the flexible pipe, the flexible pipe is effectively clamped, and the flexible pipe and the joint are prevented from being pulled off. The locking outer sleeve extrudes the wedge-shaped outer wall of the split lining to lock the flexible pipe, so that the concave-convex teeth of the split lining and the outer wall of the flexible pipe are meshed more and more tightly, and the flexible pipe and the joint are effectively prevented from being pulled off.

Preferably, the rear end of the flange inner core is integrally and fixedly provided with a flange.

Preferably, a sawtooth outer wall is arranged at the joint of the front section of the flange inner core and the flexible pipe, and concave and convex teeth are correspondingly arranged in the split lining to clamp the flexible pipe. The outer wall of the sawtooth is meshed with the inner wall of the flexible pipe, and the concave and convex teeth of the split lining are meshed with the outer wall of the flexible pipe, so that the flexible pipe and the joint are effectively prevented from being pulled off.

Preferably, the inner side of the inner locking clamp is provided with clamp inner teeth at the joint of the inner side of the inner locking clamp and the flexible pipe, and the flexible pipe is clamped by the clamp inner teeth.

Preferably, the inner locking hoop is fixedly fastened by two pieces of hoops through a hoop locking bolt group.

Preferably, the split liner is formed by combining three equal liner pieces.

Preferably, the locking outer sleeve is provided with a notch for the force application position of the wrench. The locking outer sleeve is convenient to fasten, lock and install.

Preferably, two sealing ring grooves are formed in the front section of the inner core of the flange, and sealing rings are arranged in the sealing ring grooves. Two sealing rings are arranged on the inner core of the flange, the flexible pipe is inserted into the bottom of the inner core of the flange, and sealing is formed between the inner wall of the flexible pipe and the sealing rings to prevent internal media from leaking.

Preferably, the slope of the wedge-shaped outer wall is 2 degrees.

The utility model has the advantages that: (1) The utility model discloses a clamp and withhold the joint and combine to form new joint form, and the inside lock clamp interlock locking flexible pipe, the interlock part destroys the glass fibre layer, sacrifices local tensile interlock power of getting high strength, and the withhold locking part that flange inner core, components of a whole that can function independently inside lining and locking overcoat are constituteed, when further locking the anticreep, the protection junction remains the flexible pipe glass fibre layer complete, and guarantee the leakproofness through the sealing washer; (2) The utility model is suitable for steel wire pipes and aramid fiber pipes, and is also suitable for glass fiber pipes which are easy to break and high-temperature and high-pressure environments; (3) The utility model discloses the installation is convenient, only need the spanner can, need not to withhold dedicated withholding devices such as machine of withholding and power station.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is an exploded view of the present invention;

fig. 4 is a schematic structural view of the inner core of the flange according to the present invention;

FIG. 5 is a cross-sectional view of FIG. 4;

FIG. 6 is a perspective view of the inner locking clip of the present invention;

FIG. 7 is a left side view of the inner locking clip of the present invention;

FIG. 8 is a partial cross-sectional view of the inner locking clip of the present invention;

fig. 9 is a schematic view of an internal structure of the split liner of the present invention;

fig. 10 is a perspective view of the split liner of the present invention;

FIG. 11 is a left side view of the split liner of the present invention;

fig. 12 is a front view of the locking jacket of the present invention;

fig. 13 is a schematic view of an internal structure of the locking jacket of the present invention;

fig. 14 is a left side view of the locking jacket of the present invention;

in the figure: 1. flange inner core, 2, sealing washer, 3, the flexible tube, 4, interior locking clamp, 5, components of a whole that can function independently inside lining, 6, locking overcoat, 7, clamp locking bolt group, 8, flange, 9, inner core external screw thread, 10, clamp draw-in groove, 11, sawtooth outer wall, 12, sealing washer groove, 13, clamp ka tai, 14, clamp internal tooth, 15, unsmooth tooth, 16, wedge outer wall, 17, spanner are put on power position incision, 18, overcoat internal thread, 19, wedge inner wall.

Detailed Description

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example (b): as shown in fig. 1-3, a tensile flexible pipe joint comprises a flange inner core 1, a sealing ring 2, an inner locking clamp 4, a split inner lining 5 and a locking outer sleeve 6, wherein the flange inner core is provided with a connecting boss and a clamp clamping groove, the connecting boss and the clamp clamping groove are arranged closely, the connecting boss is provided with inner core external threads 9, the inner side of the inner locking clamp is provided with a clamp clamping table 13 corresponding to the clamp clamping groove, the clamp clamping table is matched with the clamp clamping groove, the front section of the flange inner core is provided with two sealing ring grooves 12, the sealing ring is arranged in each sealing ring groove, a flexible pipe 3 is inserted into the flange inner core until being close to the clamp clamping groove 10, a seal is formed between the inner wall of the flexible pipe and the sealing ring, the inner locking clamp clamping groove is fastened and fixed with the flexible pipe, the split inner lining is sleeved outside the flexible pipe closely to the clamp clamping groove, the split inner lining and the inner locking outer sleeve are sleeved outside the locking outer sleeve, the locking outer sleeve compresses the inner lining and the inner locking clamp separately, the outer sleeve is provided with an outer sleeve internal thread 18, the locking outer sleeve is in threaded connection port and is in threaded connection with the connecting boss, the split inner lining 16 is provided with the wedge inner wall 19 corresponding to the connecting part of the locking outer sleeve.

As shown in fig. 4 and 5, a flange 8 is integrally and fixedly arranged at the rear end of the flange inner core. The flange inner core anterior segment is provided with sawtooth outer wall 11 with the flexible pipe junction, corresponds in the components of a whole that can function independently inside lining to be provided with unsmooth tooth 15, presss from both sides the flexible pipe tightly.

As shown in fig. 6, 7 and 8, the inner side of the inner locking clamp is provided with inner clamp teeth 14 at the connection part with the flexible pipe, and the inner clamp teeth clamp the flexible pipe. The inner locking hoop is fixed and fastened by two sections of hoops through a hoop locking bolt group 8.

As shown in fig. 9, 10 and 11, the split liner is formed by combining three equal liner pieces. The slope of the wedge-shaped outer wall is 2 degrees.

As shown in fig. 12, 13 and 14, the locking jacket is provided with a wrench force application position notch 17.

The utility model adopts the clamp and the buckling and pressing joint to form a new joint form, the inner locking clamp is meshed with the locking flexible pipe, the meshed part destroys the glass fiber layer, the local part is sacrificed to obtain the tensile force of high strength, the buckling and pressing locking part consisting of the flange inner core, the split inner lining and the locking outer sleeve further locks and prevents the falling off, simultaneously, the glass fiber layer of the remaining flexible pipe at the joint is protected to be complete, and the sealing performance is ensured by the sealing ring; the utility model is suitable for steel wire pipes and aramid fiber pipes, and is also suitable for glass fiber pipes which are easy to break and high-temperature and high-pressure environments; the utility model discloses the installation is convenient, only need the spanner can, need not to withhold the device with special knot such as withhold machine and power station.

The utility model discloses during the use, insert the flexible tube in the flange inner core until near the clamp draw-in groove, it is sealed to form between flexible tube inner wall and sealing washer, the sawtooth outer wall that flange inner core anterior segment and flexible tube junction set up presss from both sides the flexible tube tightly, the ka tai and the interlock of flange inner core clamp draw-in groove of locking clamp in the two lamellas, through bolt group locking clamp, clamp internal tooth and flexible tube outer wall interlock, effectively bite the flexible tube, prevent that flexible tube and joint from pulling off, the components of a whole that can function independently inside lining comprises 3 lining lamellas, the inner wall sets up the concavo-convex tooth, the outer wall wedge slope, screw with flange inner core screw thread through the locking overcoat, make lining lamella unsmooth tooth and flexible tube outer wall interlock more and more tight, effectively prevent that flexible tube and joint from pulling off, the locking overcoat sets up spanner centre gripping space, overcoat internal thread and inner core external screw thread are through screwing the back, extrude the components of a whole that can function independently lining lamella, make lining lamella inner wall and flexible tube outer wall slowly extrude, the interlock, accomplish the locking of joint and the sealing and the fastening to the flexible tube.

The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the claims.

Claims (9)

1. A tensile flexible pipe joint is characterized by comprising a flange inner core, a sealing ring, an inner locking clamp, a split inner lining and a locking outer sleeve, wherein a connecting boss and a clamp clamping groove are arranged on the flange inner core, the connecting boss and the clamp clamping groove are arranged in a close manner, inner core external threads are arranged on the connecting boss, a clamp clamping table is arranged on the inner side of the inner locking clamp corresponding to the clamp clamping groove and matched with the clamp clamping groove, a sealing ring groove is arranged on the front section of the flange inner core, the sealing ring is arranged in the seal ring groove, a flexible pipe is inserted into the flange inner core until being close to the clamp clamping groove, sealing is formed between the inner wall of the flexible pipe and the sealing ring, the inner locking clamp clamping groove and the flexible pipe are fastened and fixed, the split inner lining is sleeved outside the flexible pipe in a close manner to the clamp clamping groove, the locking outer sleeve is sleeved outside the split inner lining and the inner locking clamp, an outer sleeve is provided with an outer thread and connected with the connecting port of the locking outer sleeve through threads, a wedge-shaped outer wall is arranged outside the split inner lining, and the locking outer sleeve corresponding to the connecting part.

2. A tensile flexible pipe joint according to claim 1, wherein a flange is integrally and fixedly provided at a rear end of said flange core.

3. The tensile flexible pipe joint according to claim 1, wherein the joint between the front section of the flange inner core and the flexible pipe is provided with a sawtooth outer wall, and concave and convex teeth are correspondingly arranged in the split inner liner to clamp the flexible pipe.

4. A tensile flexible pipe joint as claimed in claim 1, wherein inner teeth are provided at the connection between the inner side of said inner locking clip and the flexible pipe, and the flexible pipe is clamped by the inner teeth of said clip.

5. A tensile flexible pipe joint as defined in claim 1, wherein said inner locking band is fixedly secured by two-piece bands by a band locking bolt set.

6. A tensile flexible pipe joint as defined in claim 1, wherein said split inner lining is formed by a combination of three equal lining flaps.

7. A tensile flexible pipe joint as claimed in claim 1, wherein said locking sleeve is provided with a notch for a wrench force application position.

8. A tensile flexible pipe joint according to claim 1, wherein two sealing ring grooves are formed in the front section of the inner core of the flange, and sealing rings are arranged in the sealing ring grooves.

9. A tensile flexible pipe joint as defined in claim 1, wherein said tapered outer wall has a slope of 2 degrees.

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