CN213944620U

CN213944620U - Pipe expanding device for corrosion-resistant non-metallic pipe joint with lining

Info

Publication number: CN213944620U
Application number: CN202023036567.4U
Authority: CN
Inventors: 黄永乐; 刘婷
Original assignee: Shaanxi Bicheng Jiuzhou Industrial Co ltd
Current assignee: Shaanxi Bicheng Jiuzhou Industrial Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-08-13
Anticipated expiration: 2030-12-15

Abstract

The utility model relates to a corrosion-resistant non-metallic pipe joint expand tube device of inside lining, it is including the slide bar, first groove tooth, second groove tooth, actuating mechanism and two at least inflation pieces, coaxial first groove tooth and the second groove tooth of being provided with on the slide bar, be provided with the inflation piece on first groove tooth and the second groove tooth, the one end of slide bar is connected with actuating mechanism, actuating mechanism can make first groove tooth move to second groove tooth direction, first groove tooth can order about the inflation piece to second groove tooth motion and keep away from the slide bar. This application is through adjusting actuating mechanism, and the motion of first recess tooth to second recess tooth is driven, and then makes the expansion part realize lining pipe closely laminating pipe joint, simple structure, the operation of being convenient for.

Description

Pipe expanding device for corrosion-resistant non-metallic pipe joint with lining

Technical Field

The application relates to the field of pipeline installation technology, in particular to a pipe expanding device with a corrosion-resistant inner lining and a non-metallic pipe joint.

Background

Sewage treatment is a process of purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people. In the sewage treatment process, pipelines are needed for conveying. A pipeline is a device for transporting a gas, liquid or fluid with solid particles, connected by pipes, pipe couplings, valves, etc. Generally, a fluid is pressurized by a blower, a compressor, a pump, a boiler, etc., and then flows from a high pressure portion to a low pressure portion of a pipe, or is transported by the pressure or gravity of the fluid itself. The use of pipelines is very widespread, mainly in water supply, drainage, heating, gas supply, long-distance oil and gas delivery, agricultural irrigation, hydraulic engineering and various industrial installations.

In the metal pipeline use, cause the metal pipeline to become invalid and damage easily because of the medium corrodes, often can adopt the non-metallic material of inside lining, the non-metallic inside lining coupling can be fine solve the pipeline corrosion problem, at the pipe laying in-process, need connect the pipeline welding length.

With respect to the related art in the above, the inventors consider that the lining pipe does not fit tightly enough to the pipe joint.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the realization of the inseparable laminating of bushing pipe and pipe joint, the application provides a corrosion-resistant nonmetal coupling of inside lining expand tub device.

The application provides a corrosion-resistant non-metallic pipe joint expand tube device in inside lining adopts following technical scheme:

the utility model provides a corrosion-resistant non-metallic pipe joint expand tube device of inside lining, includes slide bar, first groove tooth, second groove tooth, actuating mechanism and two at least inflation pieces, coaxial first groove tooth and the second groove tooth of being provided with on the slide bar, be provided with the inflation piece on first groove tooth and the second groove tooth, the one end of slide bar is connected with actuating mechanism, actuating mechanism can make first groove tooth to second groove tooth direction motion, first groove tooth to second groove tooth motion can order about the inflation piece is kept away from the slide bar.

By adopting the technical scheme, the driving mechanism is adjusted, the driving mechanism drives the first groove tooth to move along the length direction of the sliding rod, the first groove tooth moves towards the second groove tooth by movement, the expansion piece is driven to expand the lining pipe, and then the lining pipe is tightly attached to the pipeline joint; through adjusting actuating mechanism, the first recess tooth of drive moves to the second recess tooth, and then makes the expansion part realize lining pipe and closely laminate pipeline joint, simple structure, the operation of being convenient for.

Optionally, the driving mechanism includes a pushing pipe, an air cylinder and a pushing ring, the pushing pipe is arranged along the length direction of the sliding rod, the pushing pipe is connected with the sliding rod, the pushing pipe is arranged at one end close to the sliding rod, the air cylinder is connected to the driving shaft of the air cylinder, the pushing ring is arranged coaxially with the pushing pipe, and the pushing ring is arranged in a manner of being abutted to the first groove teeth.

By adopting the technical scheme, the air cylinder is adjusted, the driving shaft of the air cylinder drives the pushing ring to move along the direction of the sliding rod, the pushing ring drives the first groove teeth to move towards the second groove teeth by the movement, so that the expansion piece drives the lining pipe to be tightly attached to the pipeline joint, and the connection between the lining pipe and the pipeline joint is realized; the driving mechanism provides power for the first groove teeth, so that the lining pipe is expanded by the expansion piece, the lining pipe is tightly attached to the pipeline joint, and the pipeline joint is simple, flexible and convenient to operate.

Optionally, one end of the sliding rod, which is far away from the cylinder, is provided with a limit nut.

Through adopting above-mentioned technical scheme, the stop nut of setting is convenient for realize the connection of first groove tooth and second groove tooth on the pole that slides, simultaneously, realizes the spacing fixed of second groove tooth, is convenient for make the distance between first groove tooth and the second groove tooth reduce.

Optionally, the expansion part includes inflation arc and lug, the lug is located the inflation arc is close to one side of slide bar, first spout has been seted up on the first recess tooth, the second spout has been seted up on the second recess tooth, the diapire of first spout sets up to the slope of second recess tooth direction, the diapire of second spout to the slope of first recess tooth direction sets up, the one end of lug stretches into first spout, and the other end stretches into the second spout.

By adopting the technical scheme, when the first groove tooth moves towards the second groove tooth, the lug can play a role in guiding the movement of the first groove tooth and the second groove tooth under the action of the first sliding chute and the second sliding chute; the first sliding groove and the second sliding groove are arranged, so that the bump and the expansion arc can be expanded along with the change of the distance between the first groove and the second groove, the expansion arc extrudes the lining pipe, and the lining pipe is tightly attached to the pipeline joint; the expansion piece that sets up can extrude interior bushing pipe along with the distance change between first recess tooth and the second recess tooth, and then realizes closely laminating of interior bushing pipe and pipeline.

Optionally, the notches of the first sliding groove and the second sliding groove are provided with limiting blocks capable of limiting the protruding blocks.

Through adopting above-mentioned technical scheme, the stopper of setting can realize being connected of lug and first groove tooth and second groove tooth, is convenient for realize that the cooperation of first groove tooth and second groove tooth and lug is used, reduces the in-process emergence landing of lug in the use, the use of the interior bushing pipe of the inflation of not being convenient for.

Optionally, a plurality of anti-slip grooves are uniformly distributed on the expansion arc.

Through adopting above-mentioned technical scheme, the antiskid groove that sets up can make and leave the clearance between inflation arc and the interior bushing pipe, and the bushing pipe takes place deformation in being convenient for, simultaneously, strengthens the frictional force of inflation arc and interior bushing pipe, is convenient for realize that the inflation arc extrudees the interior bushing pipe.

Optionally, the tooth-shaped groove is characterized by further comprising a return spring, the return spring is arranged between the first groove tooth and the second groove tooth, one end of the return spring is connected with the first groove tooth, and the other end of the return spring is connected with the second groove tooth.

By adopting the technical scheme, the reset spring is convenient for realizing the reset of the distance between the first groove tooth and the second groove tooth, and the expansion arc is convenient to separate from the lining pipe.

Optionally, the first groove tooth and the second groove tooth are provided with mounting seats capable of mounting the return spring.

Through adopting above-mentioned technical scheme, the mount pad of setting is convenient for realize reset spring fixed on first groove tooth and second groove tooth, simultaneously, strengthens the joint strength of reset spring on first groove tooth and second groove tooth.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the driving mechanism is adjusted to drive the first groove teeth to move towards the second groove teeth, so that the expansion piece can be tightly attached to the pipeline joint through the lining pipe, and the expansion piece is simple in structure and convenient to operate;

2. the driving mechanism provides power for the first groove teeth, so that the lining pipe is expanded by the expansion piece, the lining pipe is tightly attached to the pipeline joint, and the pipeline joint is simple, flexible and convenient to operate.

Drawings

Fig. 1 is a schematic view of the overall structure of a pipe expanding device for a corrosion-resistant non-metallic pipe joint lined with a lining according to an embodiment of the present application.

Fig. 2 is a cross-sectional view of a pipe expanding device for a corrosion-resistant, non-metallic, lined pipe joint according to an embodiment of the present application.

Fig. 3 is an enlarged schematic view of a portion a of fig. 2.

Description of reference numerals: 1. a slide bar; 11. a limit nut; 2. a first groove tooth; 21. a first chute; 22. a limiting block; 3. a second groove tooth; 31. a second chute; 4. a drive mechanism; 41. pushing the pipe; 42. a cylinder; 43. a push ring; 5. an expansion member; 51. an expansion arc; 52. a bump; 53. an anti-slip groove; 6. a return spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses corrosion-resistant nonmetal coupling expand tube device of inside lining. Referring to fig. 1 and 2, the pipe expanding device for the corrosion-resistant non-metallic pipe joint of the lining comprises a sliding rod 1, first groove teeth 2, second groove teeth 3, a driving mechanism 4 and at least two expansion pieces 5, wherein the sliding rod 1 is coaxially provided with the first groove teeth 2 and the second groove teeth 3, the first groove teeth 2 and the second groove teeth 3 are provided with the expansion pieces 5, one end of the sliding rod 1, which is close to the first groove teeth 2, is connected with the driving mechanism 4, the driving mechanism 4 can enable the first groove teeth 2 to move towards the second groove teeth 3, and the first groove teeth 2 move towards the second groove teeth 3 and can drive the expansion pieces 5 to be far away from the sliding rod 1; first recess tooth 2 and the relative one side difference body coupling mount pad of second recess tooth 3 still include reset spring 6, are provided with reset spring 6 in the mount pad, and the one end of reset spring 6 welds with the diapire of the mount pad on the first recess tooth 2, and the other end welds with the diapire of the mount pad on the second recess tooth 3.

Referring to fig. 2, the driving mechanism 4 includes a pushing pipe 41, a cylinder 42 and a pushing ring 43, the pushing pipe 41 is arranged along the length direction of the sliding rod 1, the pushing pipe 41 is welded to the sliding rod 1, two cylinders 42 are arranged at one end of the pushing pipe 41 close to the sliding rod 1, a base of each cylinder 42 is fixed on the pushing pipe 41 through a bolt, a driving shaft of each cylinder 42 is commonly connected with the pushing ring 43 through a bolt, the pushing ring 43 is coaxial with the sliding rod 1, the pushing ring 43 is sleeved on the pushing pipe 41, and the pushing ring 43 is abutted to the first groove teeth 2; one end of the sliding rod 1, which is far away from the air cylinder 42, is provided with a threaded section, the threaded section is connected with a limit nut 11, and the connection of the first groove teeth 2 and the second groove teeth 3 on the sliding rod 1 can be realized through the limit nut 11.

Referring to fig. 2 and 3, the expansion member 5 includes an expansion arc 51 and a convex block 52, the convex block 52 is disposed on one side of the expansion arc 51 close to the sliding rod 1, the convex block 52 is integrally connected with the expansion arc 51, the first groove tooth 2 is provided with a plurality of first sliding grooves 21, the second groove tooth 3 is provided with a plurality of second sliding grooves 31, the bottom wall of the first sliding groove 21 is inclined toward the second groove tooth 3, the distance between the bottom wall of the first sliding groove 21 and the sliding rod 1 is gradually increased from the position close to the second groove tooth 3 to the position far away from the second groove tooth 3, the bottom wall of the second sliding groove 31 is inclined toward the second groove tooth 3, the distance between the groove wall of the second sliding groove 31 and the sliding rod 1 is gradually increased from the position close to the first groove tooth 2, one end of the convex block 52 extends into the first sliding groove 21, and the other end extends into the second sliding groove 31; the notches of the first sliding chute 21 and the second sliding chute 31 are integrally connected with a limiting block 22, and the convex block 52 is integrally connected with an abutting block abutting against the limiting block 22; three evenly distributed anti-slip grooves 53 are arranged on the expansion arc 51.

The implementation principle of the pipe expanding device for the corrosion-resistant non-metallic pipe joint of the inner lining is as follows: adjusting a pushing pipe 41, placing the first groove tooth 2 and the second groove tooth 3 at specified positions, adjusting a cylinder 42, driving a pushing ring 43 to move along the direction of the sliding rod 1 by a driving shaft of the cylinder 42, enabling the pushing ring 43 to drive the first groove tooth 2 to move towards the direction of the second groove tooth 3 by movement, compressing a return spring 6 under the action of a limit nut 11, enabling a bump 52 to drive an expansion arc 51 to expand inwards under the matching of a first sliding groove 21 and a second sliding groove 31, and finally enabling the lining pipe to be tightly attached to the inner wall of the pipeline joint so as to realize the connection of the lining pipe and the pipeline joint; when the expansion is completed, the cylinder 42 is adjusted, the return spring 6 effects the return of the first groove tooth 2, and then the push pipe 41 is taken out.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a corrosion-resistant non-metallic pipe joint expand tube device of inside lining which characterized in that: including slide bar (1), first notch tooth (2), second notch tooth (3), actuating mechanism (4) and two at least inflation pieces (5), coaxial first notch tooth (2) and second notch tooth (3) of being provided with on slide bar (1), be provided with inflation piece (5) on first notch tooth (2) and second notch tooth (3), the one end of slide bar (1) is connected with actuating mechanism (4), actuating mechanism (4) can make first notch tooth (2) to second notch tooth (3) direction motion, first notch tooth (2) to second notch tooth (3) motion can be ordered about inflation piece (5) are kept away from slide bar (1).

2. The pipe expanding device of claim 1, wherein the inner lining corrosion-resistant non-metallic pipe joint comprises: actuating mechanism (4) are including propelling movement pipe (41), cylinder (42) and propelling movement ring (43), propelling movement pipe (41) are followed the length direction setting of slide bar (1), propelling movement pipe (41) are connected with slide bar (1), propelling movement pipe (41) are close to slide bar (1) one end is provided with cylinder (42), be connected with propelling movement ring (43) in the drive shaft of cylinder (42), propelling movement ring (43) and propelling movement pipe (41) coaxial setting, propelling movement ring (43) and first groove tooth (2) butt setting.

3. The pipe expanding device of claim 2, wherein the inner lining corrosion-resistant non-metallic pipe joint comprises: and one end of the sliding rod (1) far away from the air cylinder (42) is provided with a limit nut (11).

4. The pipe expanding device of claim 1, wherein the inner lining corrosion-resistant non-metallic pipe joint comprises: the expansion piece (5) comprises an expansion arc (51) and a convex block (52), the convex block (52) is arranged on the expansion arc (51) close to one side of the sliding rod (1), a first sliding groove (21) is formed in the first groove tooth (2), a second sliding groove (31) is formed in the second groove tooth (3), the bottom wall of the first sliding groove (21) is inclined towards the second groove tooth (3), the bottom wall of the second sliding groove (31) is inclined towards the first groove tooth (2), one end of the convex block (52) extends into the first sliding groove (21), and the other end of the convex block extends into the second sliding groove (31).

5. The pipe expanding device of claim 4, wherein the inner lining corrosion-resistant non-metallic pipe joint comprises: the notches of the first sliding groove (21) and the second sliding groove (31) are provided with limiting blocks (22) capable of limiting the convex blocks (52).

6. The pipe expanding device of claim 4, wherein the inner lining corrosion-resistant non-metallic pipe joint comprises: the expansion arc (51) is provided with a plurality of anti-skid grooves (53) which are uniformly distributed.

7. The pipe expanding device of claim 1, wherein the inner lining corrosion-resistant non-metallic pipe joint comprises: still include reset spring (6), be provided with reset spring (6) between first groove tooth (2) and second groove tooth (3), reset spring (6)'s one end is connected with first groove tooth (2), the other end with second groove tooth (3) are connected.

8. The pipe expanding device of claim 7, wherein: and the first groove teeth (2) and the second groove teeth (3) are provided with mounting seats capable of mounting the return spring (6).