Full-lining ceramic telescopic elbow

Abstract

The utility model discloses a full-lining ceramic telescopic elbow, which relates to the technical field of ceramic pipelines and comprises a lining pipe. The lining pipe comprises a plurality of splicing parts, a spherical joint and a spherical sleeve are arranged between every two adjacent splicing parts, the spherical joints and the spherical sleeves are matched to form a structure for splicing the splicing parts, the lining pipe further comprises a flow guide bent pipe, and the flow guide bent pipe is connected to the outer side of the lining pipe in a sliding and sleeving mode; the outer side of the lining pipe and the outer side of the flow guide bent pipe are sleeved with the telescopic outer pipe; through the arrangement of the spherical joint and the spherical sleeve, the lining pipe can be deformed in any direction, meanwhile, the deformation angle of the lining pipe is increased, and after the openings in the two ends of the lining pipe are deformed, the lining pipe can still be spliced and installed with pipelines at any angle or position; the overall length of the full-lining ceramic bent pipe is adjusted through sliding of the flow guide bent pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to ceramic pipeline technical field especially is related to a full ceramic expansion elbow. BACKGROUND

[0002] Ceramic pipeline is made by self-spreading high temperature separation synthesis method with high technology production process. The pipeline is composed of corundum ceramic, transition layer and steel from inside to outside. The ceramic layer is dense corundum ceramic (AL2O3) formed at high temperature above 2200 DEG C. The transition layer forms firm combination with the steel pipe. The composite pipe has good wear resistance, heat resistance, corrosion resistance, mechanical impact resistance, thermal impact resistance and good weldability. It is an ideal wear-resistant and corrosion-resistant pipeline for conveying particulate materials, grinding and corrosive media.

[0003] The Chinese patent document with application number 202321623391.3 discloses a full ceramic expansion elbow. The flexible bellows is connected between the first arc-shaped outer pipe and the second arc-shaped outer pipe, so that the whole has elasticity. The first ceramic inner lining elbow is lined in the flow guide elbow, and the second ceramic inner lining elbow is lined in the second arc-shaped outer pipe. The first ceramic inner lining elbow and the second ceramic inner lining elbow are overlapped with each other, and relative sliding along the arc surface is maintained to realize the expansion of the whole elbow within 10-15 degree arc range.

[0004] However, the device can only be used for connecting pipelines at a specific position, and the extension lengths of the two pipelines are tangent to the same center position, which greatly limits the use range of pipeline connection and requires back-and-forth adjustment of the connected pipelines. UTILITY MODEL CONTENT

[0005] The utility model provides a full ceramic expansion elbow to solve the problem that the device in the prior art can only be used for connecting pipelines at a specific position, and the extension lengths of the two pipelines are tangent to the same center position, which greatly limits the use range of pipeline connection and requires back-and-forth adjustment of the connected pipelines.

[0006] The technical problem solved by the utility model is solved by the following technical scheme:

[0007] A full ceramic expansion elbow, comprising:

[0008] An inner lining pipe;

[0009] The inner lining pipe comprises:

[0010] A splicing part, a plurality of splicing parts are provided, a spherical joint and a spherical sleeve are provided between every two adjacent splicing parts, and the structure of the spherical joint and the spherical sleeve adapted to splice the splicing parts further comprises:

[0011] A flow guide elbow is sleeved on the outside of the inner liner pipe;

[0012] A telescopic outer pipe is sleeved on the outside of the inner liner pipe and the flow guide elbow, and is a circular elbow with an overall arc of 90° in a non-stressed state;

[0013] A limiting structure is adapted to limit the sliding range of the flow guide elbow.

[0014] Optionally, the inner liner pipe further comprises:

[0015] An extension pipeline, and the end outermost splicing part is connected.

[0016] Optionally, the inner liner pipe further comprises:

[0017] A sealing ring is bonded on the outside of the spherical joint and in contact with the inner surface of the spherical sleeve;

[0018] A limiting pad is bonded on the sealing ring and limits the rotation angle of the spherical joint.

[0019] Optionally, the inner liner pipe further comprises:

[0020] A first connecting ring is fixed on the outermost splicing part and connected with the telescopic outer pipe;

[0021] A filling sleeve is filled between the splicing part and the telescopic outer pipe.

[0022] Optionally, the limiting structure comprises:

[0023] An annular limiting protrusion is fixed on the outside of the extension pipeline;

[0024] An annular sliding plate is fixed on the inner surface of the flow guide elbow and in contact with the annular limiting protrusion.

[0025] Optionally, a second connecting ring is fixedly installed at the end of the flow guide elbow and fixedly connected with the telescopic outer pipe.

[0026] Optionally, a flexible bellows is arranged in the middle of the telescopic outer pipe, and the flexible bellows is stretched when the flow guide elbow slides.

[0027] The utility model has the beneficial effects that:

[0028] The spherical joint and the spherical sleeve can make the inner liner pipe deform in any direction, improve the deformation angle of the inner liner pipe, and enable the two end openings of the inner liner pipe to be still spliced and installed with any angle or position pipeline after deformation;

[0029] The sliding of the diversion elbow pipe realizes the adjustment of the whole length of the full-lining ceramic elbow pipe, and the distance between the two spliced pipes does not need to be adjusted, so that the efficiency and application range of pipe splicing are improved. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical means, creative features, purposes and effects realized by the present application, the following will further describe the present application with reference to the accompanying drawings.

[0031] Figure 1 It is a structural schematic diagram of the present application;

[0032] Figure 2 It is a structural schematic diagram of the lining pipe of the present application;

[0033] Figure 3 It is an enlarged schematic diagram of the structure of A in the present application;

[0034] Figure 4 It is a structural schematic diagram of the limiting structure of the present application.

[0035] In the figure: 100, lining pipe; 110, splicing part; 120, spherical joint; 130, spherical sleeve; 140, extended pipeline; 150, sealing ring; 160, limiting pad; 170, first connecting ring; 180, filling sleeve;

[0036] 200, diversion elbow pipe; 210, second connecting ring;

[0037] 300, telescopic outer pipe; 310, flexible bellows;

[0038] 400, limiting structure; 410, annular limiting protrusion; 420, annular sliding plate. DETAILED DESCRIPTION

[0039] In order to make the technical means, creative features, purposes and effects realized by the present application easy to understand, the present application will be further described below with reference to specific drawings.

[0040] Referring to Figures 1-4 The full-lining ceramic telescopic elbow pipe shown in the figure comprises:

[0041] The lining pipe 100;

[0042] The lining pipe 100 comprises:

[0043] The splicing part 110 is provided with a plurality of splicing parts 110, a spherical joint 120 and a spherical sleeve 130 are arranged between every two adjacent splicing parts 110, and the spherical joint 120 and the spherical sleeve 130 are adapted to splice the splicing parts 110

[0044] Further comprising:

[0045] The flow guide elbow 200 is sleeved on the outside of the inner lining pipe 100;

[0046] The telescopic outer pipe 300 is sleeved on the outside of the inner lining pipe 100 and the flow guide elbow 200, and is a circular elbow with an overall arc of 90 degrees in a non-stressed state;

[0047] The limiting structure 400 is adapted to limit the sliding range of the flow guide elbow 200.

[0048] In use, the splicing parts 110 are connected through the spherical joint 120 and the spherical sleeve 130, then the flow guide elbow 200 is sleeved on the outside of the inner lining pipe 100, and the telescopic outer pipe 300 is sleeved on the outside of the inner lining pipe 100 and the flow guide elbow 200;

[0049] In use, the splicing parts 110 are connected through the spherical joint 120 and the spherical sleeve 130, then the flow guide elbow 200 is sleeved on the outside of the inner lining pipe 100, and the telescopic outer pipe 300 is sleeved on the outside of the inner lining pipe 100 and the flow guide elbow 200;

[0050] The spherical joint 120 and the spherical sleeve 130 can make the inner lining pipe 100 deform in any direction, improve the deformation angle of the inner lining pipe 100, and enable the two end openings of the inner lining pipe 100 to be spliced and installed with pipelines at any angle or position after deformation;

[0051] The flow guide elbow 200 is arranged to realize the adjustment of the overall length of the ceramic lining elbow by sliding, without the need to adjust the distance between two spliced pipelines, thereby improving the efficiency and application range of pipeline splicing;

[0052] The splicing part 110 can make the inner lining pipe 100 have a rotating adjustment effect, so that the shape of the inner lining pipe 100 changes.

[0053] In some embodiments of the utility model, in order to normally splice the flow guide elbow 200, referring to Figure 2 and Figure 3 The inner lining pipe 100 further comprises:

[0054] The end outermost splicing position 110 of the extension pipeline 140 is connected.

[0055] The extension pipeline 140 is connected with the flow guide elbow 200 and plays a guiding role in the sliding of the flow guide elbow 200.

[0056] In some embodiments of the utility model, in order to guarantee the sealing between the spherical joint 120 and the spherical sleeve 130, referring to Figure 2 and Figure 3 The inner lining pipe 100 further comprises:

[0057] The sealing ring 150 is bonded on the outside of the spherical joint 120 and is in contact with the inner surface of the spherical sleeve 130.

[0058] The limiting pad 160 is bonded on the sealing ring 150 and limits the rotation angle of the spherical joint 120, and the outside of the limiting pad 160 can be wrapped with rubber or made of rubber.

[0059] The sealing ring 150 guarantees the sealing between the spherical joint 120 and the spherical sleeve 130 and avoids the leakage of the spherical sleeve 130 and the spherical joint 120 when relatively rotating.

[0060] The limiting pad 160 limits the rotation angle of the spherical joint 120 and the spherical sleeve 130, avoids the leakage caused by the opening of the spherical sleeve 130 due to the excessive rotation angle of the spherical joint 120, and reduces the collision force and abrasion when rotating to the maximum angle.

[0061] In some embodiments of the utility model, in order to normally connect with the pipeline outside, referring to Figure 2 and Figure 3 The inner lining pipe 100 further comprises:

[0062] The first connecting ring 170 is fixed on the outermost splicing position 110 and is connected with the telescopic outer pipe 300, the first connecting ring 170 can adopt a sealing flange and is connected with the telescopic outer pipe 300 by means of a bolt.

[0063] The filling sleeve 180 is filled between the splicing position 110 and the telescopic outer pipe 300, the filling sleeve 180 can adopt the same material as the inner lining pipe 100 and is bonded with a sealing structure.

[0064] The first connecting ring 170 connects the inner lining pipe 100 with the pipeline and completes the assembly.

[0065] The gap between the telescopic outer tube 300 and the inner liner tube 100 is sealed by the filling sleeve 180.

[0066] In some embodiments of the utility model, in order to limit the sliding range of the flow guide elbow 200, referring to Figure 4 The limiting structure 400 includes:

[0067] The annular limiting protrusion 410 is fixed on the outer side of the extension pipeline 140, and the outer surface of the annular limiting protrusion 410 is wrapped with sealing material, and is in a force storage state at the initial stage.

[0068] The annular sliding plate 420 is fixed on the inner surface of the flow guide elbow 200 and is in contact with the annular limiting protrusion 410, and the outer surface of the annular sliding plate 420 is wrapped with sealing material, and is in a force storage state at the initial stage.

[0069] The sliding range of the flow guide elbow 200 can be limited by the cooperation of the annular limiting protrusion 410 and the annular sliding plate 420, the flow guide elbow 200 is prevented from being separated from the inner liner tube 100, and the friction of the flow guide elbow 200 during sliding can be increased, so that the flow guide elbow 200 is prevented from sliding under the action of external force.

[0070] In some embodiments of the utility model, in order to be normally connected with external pipelines, referring to Figure 2 The end of the flow guide elbow 200 is fixedly provided with a second connecting ring 210, and is fixedly connected with the telescopic outer tube 300, and the second connecting ring 210 can adopt a sealing flange and is connected with the telescopic outer tube 300 by means of bolts.

[0071] The flow guide elbow 200 is connected with the pipeline by the second connecting ring 210, and the assembly is completed.

[0072] In some embodiments of the utility model, in order to be normally stretched, referring to Figure 1 The middle part of the telescopic outer tube 300 is provided with a flexible bellows 310, and the flexible bellows 310 is stretched when the flow guide elbow 200 slides.

[0073] The telescopic outer tube 300 can be normally stretched by the flexible bellows 310.

[0074] The working method of the utility model:

[0075] In use, the splicing part 110 is connected through the spherical joint 120 and the spherical sleeve 130, then the flow guide elbow 200 is sleeved on the outer side of the inner liner tube 100, and the telescopic outer tube 300 is sleeved on the outer sides of the inner liner tube 100 and the flow guide elbow 200.

[0076] When splicing, according to the positions of the two pipes, the splicing part 110 is rotated, the splicing part 110 is adjusted according to the relative rotation of the spherical joint 120 and the spherical sleeve 130, then an external force is applied to the flow guide elbow 200 to make the flow guide elbow 200 slide relative to the inner liner pipe 100, and the telescopic outer pipe 300 is stretched, the relative position and angle of the splicing part 110 and the connecting part of the flow guide elbow 200 are adjusted, then the second connecting ring 210 and the first connecting ring 170 are connected to the two outer pipes through bolts respectively.

[0077] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A fully lined ceramic expansion bend, characterized in that, Comprising: an inner lining tube (100); the inner lining tube (100) comprises: a splicing site (110), a plurality of splicing sites (110) are provided, a spherical joint (120) and a spherical sleeve (130) are provided between each adjacent two splicing sites (110), the spherical joint (120) and the spherical sleeve (130) are adapted to splice the structure of the splicing site (110) Further comprising: a flow guide elbow (200), the flow guide elbow (200) is slidingly sleeved on the outside of the inner lining tube (100); a telescopic outer tube (300), the telescopic outer tube (300) is sleeved on the outside of the inner lining tube (100) and the flow guide elbow (200), and in a non-stressed state, the telescopic outer tube (300) is a circular elbow with an overall arc of 90°; a limiting structure (400), the limiting structure (400) is adapted to limit the sliding range of the flow guide elbow (200).

2. The full-lining ceramic telescopic elbow according to claim 1, wherein: the inner lining tube (100) further comprises: an extension pipeline (140), the end outermost splicing site (110) of the extension pipeline (140) is connected.

3. The full-lining ceramic telescopic elbow according to claim 2, wherein: the inner lining tube (100) further comprises: a sealing ring (150), the sealing ring (150) is bonded on the outside of the spherical joint (120) and in contact with the inner surface of the spherical sleeve (130); a limiting pad (160), the limiting pad (160) is bonded on the sealing ring (150) and limits the rotation angle of the spherical joint (120).

4. The full-lining ceramic telescopic elbow according to claim 3, wherein: the inner lining tube (100) further comprises: a first connecting ring (170), the first connecting ring (170) is fixed on the outermost splicing site (110) and connected with the telescopic outer tube (300); a filling sleeve (180), the filling sleeve (180) is filled between the splicing site (110) and the telescopic outer tube (300).

5. The full-lining ceramic telescopic elbow according to claim 4, wherein: the limiting structure (400) comprises: an annular limiting protrusion (410), the annular limiting protrusion (410) is fixed on the outside of the extension pipeline (140); an annular sliding plate (420), the annular sliding plate (420) is fixed on the inner surface of the flow guide elbow (200) and in contact with the annular limiting protrusion (410).

6. The full-lining ceramic telescopic elbow according to claim 1, wherein: a second connecting ring (210) is fixedly installed at the end of the flow guide elbow (200) and fixedly connected with the telescopic outer tube (300).

7. The full-lining ceramic telescopic elbow according to claim 1, wherein: a flexible bellows (310) is provided in the middle of the telescopic outer tube (300), and the flexible bellows (310) is stretched when the flow guide elbow (200) slides.

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