CN219888955U - Pipeline connecting device - Google Patents

Abstract

The utility model discloses a pipeline connecting device, which comprises a pipeline, an outer sleeve and an inner sleeve, wherein the two ends of the inner sleeve are respectively connected with the pipeline in a sliding manner, the pipelines at the two ends are respectively sheathed with the outer sleeve in a sliding manner, the front ends, which are close to the outer sleeves at the two ends, are respectively connected with a wide opening part, the inner sleeve is in plug-in fit with the wide opening part, sealing rings sleeved on corresponding pipelines are respectively arranged in the wide opening parts at the two ends and are positioned between the outer sleeve and the inner sleeve, a plurality of V-shaped pieces which are circumferentially distributed at intervals are arranged at the periphery of the sealing rings, the wide opening parts at the two ends are connected through fasteners, the outer sleeves at the two ends are respectively extruded with the inner sleeve to be wrapped by the sealing rings, the inner sleeve and the sealing rings are respectively extruded by the outer sleeve and the inner sleeve to deform, and the V-shaped pieces are respectively extruded with the sealing rings towards the pipeline direction, so that the sealing rings, the inner sleeve and the pipeline can be sealed by a certain pressure for a long time.

Description

Pipeline connecting device

Technical Field

The utility model relates to the technical field of hydraulic engineering, in particular to a pipeline connecting device.

Background

The hydraulic engineering is a built engineering for controlling and allocating surface water and underground water in nature to achieve the aim of removing harm and benefiting. The pipeline is a device for conveying gas, liquid or fluid with solid particles, which is formed by connecting a pipe fitting, a key connecting piece, a valve and the like, and the pipeline is also required to be applied to a hydraulic pipeline in hydraulic engineering to transfer water flow at high and low positions or during water mixing, and a connecting device is also required to be used for stabilizing when the hydraulic pipeline is installed.

At present, a pipe connection device generally includes a connection pipe connecting pipes of two ends to be positioned between the connection pipes of two ends, and the connection and sealing of the pipes of two ends are realized by extruding the connection pipe of two ends by the connection pipe of two ends, however, when the connection pipe is aged and damaged and contracted, the sealing effect on the pipe is also reduced.

Disclosure of Invention

The utility model aims to provide a pipeline connecting device, which solves the technical problem that in the prior art, the pipeline connecting device is difficult to keep long-term sealing of a pipeline.

In order to solve the technical problems, the utility model specifically provides the following technical scheme:

the pipeline connecting device comprises a pipeline, an outer sleeve and an inner sleeve, wherein the two ends of the inner sleeve are respectively connected with the pipeline in a sliding manner, the two ends of the pipeline are respectively sleeved with the outer sleeve in a sliding manner, the front ends, close to the outer sleeves, of the two ends of the inner sleeve are respectively connected with a wide opening part, the inner sleeve is matched with the wide opening part in a plugging manner, and sealing rings sleeved on the corresponding pipeline are respectively arranged in the wide opening parts of the two ends of the inner sleeve and are positioned between the outer sleeve and the inner sleeve;

the outer periphery of the sealing ring is provided with a plurality of V-shaped pieces which are circumferentially distributed at intervals, the cross section of the V-shaped pieces in the axial direction of the sealing ring is in a V shape with a tip connected with the sealing ring, the V-shaped pieces are wrapped by the sealing ring, the V-shaped pieces are positioned between the outer sleeve and the inner sleeve, and the outer sides of the V-shaped pieces are abutted against the inner wall of the wide opening part;

the wide-mouth parts at the two ends are connected through a fastener, so that the V-shaped piece is extruded and deformed by the outer sleeve and the inner sleeve, and the V-shaped pieces with a plurality of deformations are extruded by the sealing ring to enable the sealing ring to be tightly attached to the outer wall of the pipeline.

As a preferred embodiment of the present utility model, a groove for accommodating the V-shaped member is provided on one side of the outer periphery of the seal ring.

As a preferable mode of the utility model, a plurality of grooves are arranged, and a plurality of V-shaped pieces are inserted in the grooves in a one-to-one correspondence manner.

As a preferable mode of the utility model, the inner side of the V-shaped piece connected with the sealing ring and the outer side connected with the wide opening part are arc-shaped.

As a preferable mode of the utility model, the fastener comprises a flange and a bolt, the flanges are arranged on the two sections of the wide-mouth parts, and the flanges at the two ends are connected through the bolt provided with a nut.

As a preferable mode of the utility model, the V-shaped member is an elastic plate material having a V-shape.

Compared with the prior art, the utility model has the following beneficial effects:

the two-end wide-mouth parts are pulled and connected through the fastening pieces, so that the two-end wide-mouth parts drive the two-end outer sleeves to be close to each other, the two-end outer sleeves and the inner sleeves squeeze the plurality of V-shaped pieces wrapped by the sealing ring, the inner sleeves and the sealing ring form sealing connection, the plurality of V-shaped pieces are squeezed by the outer sleeves and the inner sleeves to deform, the plurality of V-shaped pieces squeeze the sealing ring towards the direction of the pipeline, and the sealing ring, the inner sleeves and the pipeline are sealed by certain pressure, so that the sealing ring can seal the pipeline for a long time.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the V-shaped member of the present utility model;

fig. 3 is a schematic structural view of the seal ring of the present utility model.

Reference numerals in the drawings are respectively as follows:

1-a pipeline; 2-an outer sleeve; 3-an inner sleeve; 4-wide mouth; 5-a sealing ring; a 6-V-shaped member; 7-a fastener; 8-grooves;

701-flange; 702-a bolt; 703-a nut.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, the utility model provides a pipeline connecting device, which comprises a pipeline 1, an outer sleeve 2 and an inner sleeve 3, wherein the two ends of the inner sleeve 3 are respectively connected with the pipeline 1 in a sliding manner, the outer sleeve 2 is respectively sleeved on the pipelines 1 at the two ends in a sliding manner, the front ends of the outer sleeves 2 at the two ends, which are close to each other, are respectively connected with a wide opening part 4, the inner sleeve 3 is matched with the wide opening parts 4 in a plugging manner, and sealing rings 5 sleeved on the corresponding pipeline 1 are respectively arranged in the wide opening parts 4 at the two ends and are positioned between the outer sleeve 2 and the inner sleeve 3.

The periphery side of sealing washer 5 is provided with a plurality of V-arrangement spare 6 that are circumference interval distribution, and V-arrangement spare 6 is the "V" shape that the point is connected with sealing washer 5 in the section of sealing washer 5 axial, and a plurality of V-arrangement spare 6 are wrapped up by sealing washer 5, and V-arrangement spare 6 is located between outer tube 2 and the interior sleeve pipe 3, and the outside and the inner wall butt of wide oral area 4 of V-arrangement spare.

The wide-end opening parts 4 at two ends are connected through the fastening piece 7, so that the V-shaped parts 6 are extruded and deformed by the outer sleeve 2 and the inner sleeve 3, and the deformed V-shaped parts 6 enable the sealing ring 5 to be tightly attached to the outer wall of the pipeline 1 through extruding the sealing ring 5.

The pipe diameter of the inner sleeve 3 is matched with the outer diameter of the pipeline 1, the pipelines 1 at two ends are connected through the inner sleeve 3 to realize preliminary butt joint, then, the wide mouths 4 at two ends are connected through the fastener 7, and the wide mouths 4 at two ends are pulled to be close to each other, so that the outer sleeve 2 at two ends and the inner sleeve 3 extrude the V-shaped piece 6, the bevel edges at two sides of the V-shaped piece 6 are gradually close to each other, the tip of the V-shaped piece 6 moves towards the direction of the sealing ring 5, the V-shaped piece 6 extrudes the sealing ring 5, the sealing ring 5 is attached to the side wall of the pipeline 1 under certain pressure, and the inner sleeve 3 is abutted with the end part of the sealing ring 5 to realize the sealing between the inner sleeve 3 and the sealing ring 5.

The reason why the plurality of V-shaped pieces 6 are arranged at intervals is that the V-shaped pieces 6 can be deformed in the direction of the pipe 1 after being pressed.

The utility model pulls and connects the two wide-mouth parts 4 through the fastener 7, so that the two wide-mouth parts 4 drive the two outer sleeves 2 at two ends to be close to each other, the outer sleeves 2 at two ends and the inner sleeve 3 squeeze the plurality of V-shaped pieces 6 wrapped by the sealing ring 5, the inner sleeve 3 and the sealing ring 5 form sealed connection, the plurality of V-shaped pieces 6 are squeezed by the outer sleeve 2 and the inner sleeve 3 to deform, the plurality of V-shaped pieces 6 squeeze the sealing ring 5 towards the direction of the pipeline 1, and the sealing ring 5, the inner sleeve 3 and the pipeline 1 are sealed by certain pressure, so that the sealing ring 5 can seal the pipeline for a long time.

For making a plurality of V-arrangement spare 6 installation firm, the periphery one side of sealing washer 5 sets up the recess 8 that is used for holding V-arrangement spare 6 to, recess 8 is provided with a plurality ofly, and the grafting setting of a plurality of V-arrangement spare 6 one-to-one is in a plurality of recesses 8, thereby further avoids V-arrangement spare 6 to shift and leads to sealing washer 5 and pipeline 1's sealed effect to reduce.

Moreover, in order to adapt to the contour of the pipeline 1, the inner side of the V-shaped piece 6 connected with the sealing ring 5 and the outer side connected with the wide opening 4 are arc-shaped, so that the V-shaped piece 6 can enable the sealing ring 5 to be well attached to the pipeline 1.

Preferably, the fastener 7 includes a flange 701 and bolts 702, both wide-mouth portions 4 are provided with the flange 701, both end flanges 701 are connected by bolts 702 to which nuts 703 are mounted, the both end flanges 701 are brought close to each other by turning the bolts 702, and the distance between the both end flanges 701 and the pressure for pressing the V-shaped member 6 are easily adjusted.

Wherein. The V-shaped member 6 is an elastic sheet material in a "V" shape, thereby enabling the V-shaped member 6 to be deformed and restored.

The above embodiments are only exemplary embodiments of the present utility model and are not intended to limit the present utility model, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this utility model will occur to those skilled in the art, and are intended to be within the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a pipeline connecting device, its characterized in that includes pipeline (1), outer tube (2) and interior sleeve pipe (3), the both ends of interior sleeve pipe (3) all slip grafting have pipeline (1), and both ends all slip kit is equipped with on pipeline (1) outer tube (2), both ends the front end that outer tube (2) are close to all is connected with wide mouth (4), interior sleeve pipe (3) with wide mouth (4) grafting cooperation, both ends all be provided with in wide mouth (4) cover and establish sealing washer (5) on corresponding pipeline (1), and be located between outer tube (2) and interior sleeve pipe (3);

the outer periphery side of the sealing ring (5) is provided with a plurality of V-shaped pieces (6) which are circumferentially distributed at intervals, the cross section of the V-shaped pieces (6) in the axial direction of the sealing ring (5) is in a V shape with a tip end connected with the sealing ring (5), the V-shaped pieces (6) are wrapped by the sealing ring (5), the V-shaped pieces (6) are positioned between the outer sleeve (2) and the inner sleeve (3), and the outer sides of the V-shaped pieces are in butt joint with the inner wall of the wide opening part (4);

the two ends of the wide opening part (4) are connected through a fastener (7), so that the V-shaped piece (6) is extruded and deformed by the outer sleeve (2) and the inner sleeve (3), and the V-shaped pieces (6) with a plurality of deformations are extruded through the sealing ring (5) to enable the sealing ring (5) to be tightly attached to the outer wall of the pipeline (1).

2. A pipe connection according to claim 1, characterized in that the sealing ring (5) is provided on one side of its periphery with a groove (8) for receiving the V-shaped element (6).

3. A pipe connection according to claim 2, characterized in that a plurality of grooves (8) are provided, a plurality of V-shaped elements (6) being arranged in a one-to-one correspondence in a plurality of grooves (8).

4. A pipe connection according to claim 1, characterized in that the inner side of the V-shaped element (6) connected to the sealing ring (5) and the outer side connected to the wide mouth (4) are arc-shaped.

5. A pipe connection according to claim 1, characterized in that the fastening means (7) comprise a flange (701) and a bolt (702), both wide-mouth parts (4) being provided with the flange (701), both flanges (701) being connected by the bolt (702) fitted with a nut (703).

6. A pipe connection according to claim 1, characterized in that the V-shaped element (6) is an elastic sheet material in the shape of a "V".