CN216618879U - Pipeline connecting device for chemical industry - Google Patents

Abstract

The utility model discloses a pipeline connecting device for chemical engineering, which aims to solve the technical problem that the existing chemical pipeline is inconvenient to replace pipe joints because of local damage due to the particularity of conveying media. The pipeline connecting device comprises semicircular outer sleeve pieces and inner sleeve pieces, wherein the semicircular outer sleeve pieces are symmetrically arranged at the left side and the right side, and the inner sleeve pieces are arranged at the inner sides of the outer sleeve pieces. This pipeline connecting device adopts the mode of the mutual horizontal butt joint of semicircular outer tube spare can the joint fix in the outside of chemical pipeline, shelter from the protection to damaged position, need not pull down chemical pipeline, simplify and restore the flow, the tip of two sets of pipelines also can be used to connect to this device, as pipeline elongated connecting piece, utilize swivelling joint between swivelling chute and the gyration ring can install different interior sleeve spares inside the device additional, strengthen the laminating leakproofness between pipeline and the interior sleeve spares, and can carry out the parcel protection of pertinence to the damage at different positions on the pipeline through rotatory mode.

Description

Pipeline connecting device for chemical industry

Technical Field

The utility model belongs to the field of pipeline connecting equipment, and particularly relates to a pipeline connecting device for chemical engineering.

Background

Chemical pipeline has poisonous and harmful chemical products because what generally carried, so the leakproofness of pipeline must be very high, avoids taking place to reveal and causes the safety problem, and chemical pipeline connected mode mainly has, and the welding, flange joint, threaded connection, these connected modes reliability are high, and are also very good to the protection of pipeline end.

Chemical pipeline is because the poisonous harmfulness of transport medium, so all can set up some anticorrosion anti-oxidation cladding material at the inside and outside wall of pipeline, prevents that the pipeline from being broken by the medium corrosion, but also can not avoid the pipeline because the extension of live time and the condition of ageing gradually, in case the pipeline is local takes place the damage, need demolish this part pipeline, mend a section of new pipe again, but fixed mounting arranges between chemical pipeline general and the permanent equipment of chemical plant, synchronous the start, so inconvenient change.

Therefore, to the inconvenient circumstances of changing behind the local damage of above-mentioned chemical pipeline, develop a novel pipeline connection structure, utilize the connecting piece of two sets of semi-ring types, when can the butt joint pipeline, also can direct cladding stop up the hourglass hole at the outer wall of damaged pipeline, strengthen the leakproofness.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

The utility model aims to provide a pipeline connecting device for chemical engineering, aiming at solving the technical problem that the existing chemical engineering pipeline is easy to be partially damaged and inconvenient to replace a pipe joint due to the particularity of a conveying medium.

(2) Technical scheme

In order to solve the technical problems, the utility model provides a pipeline connecting device for chemical engineering, which comprises semicircular outer sleeve pieces and inner sleeve pieces, wherein the semicircular outer sleeve pieces are arranged in a bilateral symmetry mode, the inner sleeve pieces are arranged on the inner sides of the outer sleeve pieces, two groups of annular rotating grooves are symmetrically formed in the inner sides of the outer sleeve pieces in an up-down mode, one ends of the outer sleeve pieces are vertically and fixedly connected with locking columns, three groups of clamping ports are formed in the inner sides of the locking columns in a vertical equidistant mode, clamping connectors are connected to the other ends of the outer sleeve pieces in a vertical equidistant mode, a rotating ring is arranged in the middle of the outer sides of the inner sleeve pieces, and the inner sleeve pieces are vertically and symmetrically arranged in two groups.

When the pipeline connecting device for the chemical industry is used, a user installs a suitable inner sleeve into the outer sleeve through the connection of the rotary ring and the rotary groove, two groups of inner sleeve or four groups of inner sleeve are selectively installed according to the damaged position and area of the chemical pipeline, and then the outer sleeve is relatively connected and fixed outside the chemical pipeline by utilizing the opposite clamping of the clamping interface and the clamping joint.

Preferably, the card connector is connected to the inner side of the card interface in a buckling manner, and the rotating groove is formed between the card interfaces and between the card connectors. The outer sleeve piece is connected into an integral structure by mutually inserting and locking the clamping joint and the clamping interface, and the inner sleeve piece is locked outside the chemical pipeline by extrusion between the outer sleeve pieces.

Preferably, the revolving ring is arranged on the inner side of the revolving groove, and the inner sleeve piece and the revolving ring are both of circular ring type structures. Utilize the gyration ring at the swivelling chute internal rotation, can change the cladding position of inner casing pipe fitting to the chemical pipeline according to the damaged condition of chemical pipeline outer wall.

Preferably, a sealing gasket is arranged on the inner side of the inner sleeve component and attached to the outer wall of the chemical pipeline. The sealing gasket is made of rubber, is extruded at the middle part by the inner wall of the inner sleeve piece and the outer wall of the chemical pipeline, and plays a role in plugging damaged cavities of the outer wall of the chemical pipeline.

Preferably, both ends all seted up the spacing groove about the swivelling chute inboard, both ends are all fixed connection spacing head about the gyration ring, spacing head set up in the spacing inslot side. The clamping between the limiting head and the limiting groove prevents the rotary ring from horizontally separating from the rotary groove.

Preferably, the upper end and the lower end of the outer sleeve piece are connected with support pieces in a bilateral symmetry mode, and a first flexible cushion pad is fixedly installed in each support piece. A flexible blotter plays the supporting role to the chemical industry pipeline outer wall that is in outer sleeve spare both sides, prevents that the chemical industry pipeline from leading to producing the gap between the connecting piece because of equipment vibration.

Preferably, the upper end of the inner sleeve piece and the lower end of the other inner sleeve piece are fixedly connected with a hand pulling piece, and a second flexible cushion pad is mounted at the inner end of the hand pulling piece. The hand pulling-on piece provides the position that is used for manual regulation inner tube spare, and No. two flexible blotters cooperate No. one flexible blotter to form the subtend to support, play the cushioning effect to the chemical pipeline outer wall that is in outer tube spare both sides.

Preferably, an in-tube flexible supporting column is arranged between the inner side of the outer sleeve piece and the outer side of the inner sleeve piece, and the rotating groove is arranged between the in-tube flexible supporting columns. The flexible support column in the pipe plays a flexible supporting role for the outer wall of the chemical pipeline which is not coated by the inner sleeve, and the pipeline is prevented from deforming due to uneven stress.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: the pipeline connecting device for the chemical industry can be clamped and fixed on the outer side of a chemical pipeline in a mutual transverse butt joint mode through semicircular outer sleeve pieces, shielding and protecting damaged parts, the chemical pipeline is not required to be detached, the repair process is simplified, the device can also be used for connecting the end parts of two groups of pipelines and used as a connecting piece for lengthening the pipelines, different inner sleeve pieces can be additionally arranged in the device by utilizing the rotary connection between the rotary groove and the rotary ring aiming at the chemical pipelines with different diameters, the joint sealing performance between the pipelines and the inner sleeve pieces is enhanced, and the damage of different parts on the pipelines can be subjected to targeted wrapping protection through the rotary mode.

Drawings

FIG. 1 is a schematic view of an assembly structure of an embodiment of a chemical pipeline connecting device according to the present invention;

FIG. 2 is an exploded view of a chemical pipeline connecting device according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an outer sleeve according to an embodiment of the present invention;

fig. 4 is a schematic structural view of an inner sleeve of an embodiment of a chemical pipeline connecting device according to the present invention.

The labels in the figures are: 1. an outer sleeve member; 2. a rotating tank; 3. a locking post; 4. a card interface; 5. a clamping head; 6. an inner sleeve member; 7. a slewing ring; 8. a sealing gasket; 9. a limiting groove; 10. a limiting head; 11. a support sheet; 12. a first flexible cushion pad; 13. a hand pull tab; 14. a second flexible bumper pad; 15. and (4) a flexible support column in the pipe.

Detailed Description

This embodiment is used for pipeline connecting device that a chemical industry was used, its packaging structure sketch map is shown in fig. 1, the decomposition structure sketch map is shown in fig. 2, outer sleeve component 1 structure sketch map is shown in fig. 3, inner sleeve component 6 structure sketch map is shown in fig. 4, this pipeline connecting device includes semicircular outer sleeve component 1 that bilateral symmetry set up, set up in the interior sleeve component 6 of outer sleeve component 1 inboard, two sets of annular swivelling chute 2 have been seted up to the symmetry about outer sleeve component 1 inboard, the vertical fixedly connected with lock post 3 of 1 one end of outer sleeve component, three group joint mouth 4 have been seted up to the inboard vertical equidistance of lock post 3, the vertical equidistance of 1 other end of outer sleeve component is connected with joint 5, be provided with gyration ring 7 in the middle of the 6 outsides of inner sleeve component, the vertical symmetry of inner sleeve component 6 sets up to two sets of.

Aiming at the specific embodiment, the inner sleeve piece 6 and the outer sleeve piece 1 are in combined connection, the rotary ring 7 is utilized to rotate in the rotary groove 2, and the coating position of the inner sleeve piece 6 on the chemical pipeline can be changed according to the damage condition of the outer wall of the chemical pipeline.

Wherein, 5 buckle of joint are connected in 4 inboards of joint mouth, and the swivelling chute 2 sets up between 4 and 5 joints of joint mouth, and interior bushing member 6 inboard is installed sealing liner 8, and sealing liner 8 laminates in the chemical pipeline outer wall. Outer casing spare 1 is through pegging graft the locking each other between joint 5 and joint mouth 4, connects two sets of outer casing spare 1 as overall structure to through the extrusion between outer casing spare 1 with inner casing spare 6 locking in the outside of chemical pipeline, gasket 8 is the rubber material, by inner casing spare 6's inner wall and chemical pipeline's outer wall extrusion at the middle part, play the shutoff effect to the damaged cavity of chemical pipeline's outer wall.

Simultaneously, the revolving ring 7 sets up in the swivelling chute 2 inboard, and interior sleeve part 6 and revolving ring 7 are the ring type structure, and spacing groove 9 has all been seted up at 2 inboard upper and lower both ends in swivelling chute, and the equal fixed connection in both ends has spacing head 10 about the revolving ring 7, and spacing head 10 sets up in spacing groove 9 inboardly. Utilize the gyration ring 7 at the internal rotation of rotary trough 2, can change the cladding position of inner tube spare 6 to the chemical pipeline according to the damaged condition of chemical pipeline outer wall, the joint between spacing head 10 and the spacing groove 9 is avoided the gyration ring 7 to break away from rotary trough 2 internal level.

In addition, the upper end and the lower end of the outer sleeve member 1 are connected with support pieces 11 in a bilateral symmetry mode, a first flexible cushion pad 12 is fixedly installed at the inner end of each support piece 11, hand pulling pieces 13 are fixedly connected to the upper ends of the inner sleeve members 6 and the lower ends of the other inner sleeve members 6, and a second flexible cushion pad 14 is installed at the inner ends of the hand pulling pieces 13. Flexible blotter 12 plays the supporting role to the chemical industry pipeline outer wall that is in outer sleeve pipe spare 1 both sides, prevents that the chemical industry pipeline from leading to producing the gap between the connecting piece because equipment vibration, and hand pulling piece 13 provides the position that is used for manual regulation inner sleeve pipe spare 6, and No. two flexible blotters 14 cooperate No. one flexible blotter 12 to form the subtend to support, play the cushioning effect to the chemical industry pipeline outer wall that is in outer sleeve pipe spare 1 both sides.

In addition, an in-pipe flexible supporting column 15 is arranged between the inner side of the outer sleeve component 1 and the outer side of the inner sleeve component 6, and the rotary groove 2 is arranged between the in-pipe flexible supporting columns 15. The flexible support columns 15 in the pipes play a flexible supporting role on the outer wall of the chemical pipeline which is not coated by the inner sleeve piece 6, and the pipeline is prevented from deforming due to uneven stress.

When the pipeline connecting device for the chemical industry of the technical proposal is used, a user installs a proper inner sleeve 6 into the outer sleeve 1 through the connection of the rotary ring 7 and the rotary groove 2, the limiting head 10 slides into the limiting groove 9, so that the outer sleeve component 1 and the inner sleeve component 6 are horizontally locked, two groups of inner sleeve components 6 or four groups of inner sleeve components 6 are selected and installed according to the damaged position and area of the chemical pipeline, then the outer casing pipe 1 is oppositely connected and fixed outside the chemical pipeline by utilizing the opposite clamping of the clamping interface 4 and the clamping joint 5, according to the damaged position of pipeline, hold the rotatory inner casing pipe spare 6 of hand-pulling piece 13 with the hand, with its cladding in the damaged position of pipeline, flexible blotter 12 and No. two flexible blotters 14 play outer wall elastic support effect to the chemical industry pipeline that is in outer casing pipe spare 1 both sides this moment, prevent that the pipeline from taking place to vibrate and leading to appearing the gap in the connecting piece.

Claims (8)

1. A pipeline connecting device for chemical engineering comprises semicircular outer casing pipe pieces (1) which are arranged in a bilateral symmetry mode and inner casing pipe pieces (6) which are arranged on the inner sides of the outer casing pipe pieces (1); the novel pipe joint is characterized in that two sets of annular rotating grooves (2) are symmetrically formed in the inner side of the outer sleeve piece (1) up and down, the vertical fixedly connected with locking column (3) at one end of the outer sleeve piece (1), three sets of joint ports (4) are formed in the vertical equal distance of the inner side of the locking column (3), the vertical equal distance of the other end of the outer sleeve piece (1) is connected with a joint (5), a rotating ring (7) is arranged in the middle of the outer side of the inner sleeve piece (6), and the vertical symmetry of the inner sleeve piece (6) is set into two sets.

2. The chemical pipeline connecting device according to claim 1, wherein the clamping head (5) is connected to the inner side of the clamping interfaces (4) in a snap-fit manner, and the rotating groove (2) is arranged between the clamping interfaces (4) and between the clamping heads (5).

3. The chemical pipeline connecting device according to claim 1, wherein the rotary ring (7) is arranged inside the rotary groove (2), and the inner sleeve member (6) and the rotary ring (7) are both of a circular ring type structure.

4. The chemical pipeline connecting device according to claim 1, characterized in that a sealing gasket (8) is installed on the inner side of the inner sleeve member (6), and the sealing gasket (8) is attached to the outer wall of the chemical pipeline.

5. The chemical pipeline connecting device according to claim 1, wherein the upper end and the lower end of the inner side of the rotating groove (2) are both provided with a limiting groove (9), the upper end and the lower end of the rotating ring (7) are both fixedly connected with a limiting head (10), and the limiting head (10) is arranged on the inner side of the limiting groove (9).

6. The chemical pipeline connecting device according to claim 1, wherein the upper end and the lower end of the outer sleeve member (1) are connected with support plates (11) in a left-right symmetrical manner, and a first flexible cushion pad (12) is fixedly installed at the inner end of each support plate (11).

7. A chemical pipeline connecting device according to claim 1, characterized in that a hand pulling piece (13) is fixedly connected to the upper end of the inner sleeve member (6) and the lower end of the other inner sleeve member (6), and a second flexible buffer cushion (14) is installed at the inner end of the hand pulling piece (13).

8. A chemical pipeline connecting device according to claim 1, characterized in that flexible support columns (15) are arranged between the inner side of the outer sleeve member (1) and the outer side of the inner sleeve member (6), and the rotary groove (2) is arranged between the flexible support columns (15).

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