CN219472978U - Leakage-proof device for pipeline joint - Google Patents

Abstract

The utility model provides a pipeline interface leak protection device, including inner circle and outer lane, the inner circle is formed by a plurality of sealing blocks end to end combination, and the parcel is in the interface department of two pipelines, one side that the sealing block was towards the centre of a circle all sets up to two slope and mutual symmetry's inclined plane towards the centre, the corresponding annular inclined plane of inclined plane on the sealing block is all seted up to the interface department of pipeline, the interface department of two pipelines sets up annular sealing washer, the outer lane parcel is in the outside of inner circle, and can compress tightly the inner circle, when tightening up the inner circle, can extrude the pipeline through the inclined plane, make two pipelines draw close towards the interface department centre, thereby can compress tightly the sealing washer that is located the centre, play sealed effect, make the inside liquid or the gas of pipeline be difficult for revealing.

Description

Leakage-proof device for pipeline joint

Technical Field

The utility model relates to the field of pipeline leakage prevention, in particular to a pipeline interface leakage prevention device.

Background

The pipeline is a common device for transporting flowing substances, is widely applied to petroleum and natural gas transportation, agricultural irrigation, hydraulic engineering and various industrial devices, and is quite common in that two pipelines are connected due to different distance lengths, and leakage occurs at the joint of the pipelines.

The utility model patent with the publication number of CN210069177U discloses a pipeline leakage-proof joint secondary sealing device, which comprises a first outer frame, a second outer frame, a first pipeline and a second pipeline, wherein the first pipeline and the second pipeline are connected through a sealing ring, limiting grooves are formed in the outer sides of adjacent ends of the first pipeline and the second pipeline, a first clamping ring is fixed on two sides of the lower end face of the first outer frame, a second clamping ring is fixed on two sides of the upper end face of the second outer frame, screw holes are formed in the side faces of two ends of the second outer frame, fixing screws are arranged in screw holes, a rubber layer is fixed in the middle of the lower end face of the first outer frame and in the middle of the upper end face of the second outer frame, two limiting grooves are matched with the clamping rings after the first clamping ring and the second clamping ring are combined, the design can conduct secondary sealing on the joint of the pipeline, and therefore sealing effect is improved.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides a pipeline interface leakage-proof device.

The technical scheme of the utility model is as follows: the utility model provides a pipeline interface leak protection device, includes inner circle and outer lane, its characterized in that: the inner ring is formed by combining a plurality of sealing blocks end to wrap the joint of two pipelines, one side of the sealing block facing the circle center is provided with two inclined planes which incline towards the middle and are symmetrical with each other, the joint of the pipelines is provided with an annular inclined plane corresponding to the inclined plane on the sealing block, the joint of the two pipelines is provided with an annular sealing ring, and the outer ring wraps the outer side of the inner ring and can compress the inner ring.

Further, one side of one end of the sealing block is outwards provided with a triangular outer groove, the other end of the sealing block is inwards provided with a triangular inner groove, and the outer groove and the inner groove can be matched with each other, so that the sealing block can be combined into a complete inner ring.

Further, the outer ring comprises two semicircular fastening blocks, one end face of each fastening block is provided with a threaded hole, the other end face of each fastening block is provided with a step through hole, one end of each step through hole on each fastening block is opposite to one end of each threaded through hole, bolts penetrate through the step through holes, and the bolts extend into the corresponding threaded holes and are in threaded connection with the corresponding threaded holes.

Further, the number of the threaded holes and the step through holes on the fastening block is two.

Further, the number of the sealing blocks is two, and the sealing blocks are all semicircular.

The utility model provides a leakage-proof device for a pipeline interface, which has the beneficial effects that: the inclined plane is offered through one side of inner circle towards the centre of a circle to this device to offer corresponding annular inclined plane in the interface department of pipeline, make the inner circle when tightening up, can push the pipeline through the inclined plane, make two pipelines draw close to the centre of the interface department, thereby can compress tightly the sealing washer that is located the centre, play sealed effect, make the inside liquid of pipeline or gaseous be difficult for revealing, this design can make the sealing washer utilize self elasticity, the tight extrusion is in pipeline interface department, thereby improved the sealed effect of pipeline interface department, the risk of revealing of pipeline interface department has been reduced, and this design simple structure, lower, the workman installation is more convenient to the processing size requirement, the installation effectiveness is higher.

Drawings

FIG. 1 is a schematic diagram of one embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of a part of the structure at I in FIG. 1;

fig. 3 is a schematic diagram of the state structure of the present embodiment in use.

Detailed Description

In order to facilitate understanding of the utility model by those skilled in the art, a specific embodiment of the utility model is described below with reference to the accompanying drawings.

In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

The utility model provides a pipeline interface leakage-proof device, as shown in figures 1-3, which is an implementation mode of the utility model, and comprises an inner ring and an outer ring, wherein the inner ring is formed by combining two semicircular sealing blocks 1 end to end, one outwards-facing side of one end of each sealing block 1 is provided with a triangular outer groove 2, the inwards-facing side of the other end of each sealing block 1 is provided with a triangular inner groove 3, the outer grooves 2 and the inner grooves 3 can be matched with each other, so that the two sealing blocks 1 are combined into a complete inner ring, the outer ring comprises two semicircular fastening blocks 4, and the two fastening blocks 4 form a complete outer ring and are wrapped on the outer side of the inner ring.

As shown in fig. 1 and 2, two threaded holes 5 are formed in one end face of the fastening block 4, two step through holes 6 are formed in the other end face of the fastening block 4, the positions of the step through holes 6 correspond to those of the threaded through holes 5, one ends of the step through holes 6 on the two fastening blocks 4 are opposite to one ends of the threaded through holes 5, bolts 7 penetrate through the step through holes 6, and the bolts 7 extend into the corresponding threaded holes 5 and are in threaded connection with the corresponding threaded holes, so that the two fastening blocks are combined into a complete outer ring.

As shown in fig. 3, the sides of the sealing blocks 1 facing the center of the circle are two inclined planes inclined towards the middle and symmetrical with each other, the joint of the pipelines 90 is provided with an annular inclined plane 8 corresponding to the inclined plane on the sealing block 1, the joint of the two pipelines 90 is provided with an annular sealing ring 9, when the sealing block wraps the joint of the two pipelines and is folded towards the middle, the two pipelines can approach to the direction of the sealing ring under the interaction of the inclined plane on the sealing block and the annular inclined plane on the pipelines, the sealing ring is extruded, and the sealing ring tightly pushes against the joint of the two pipelines under the action of self elastic force, so that the sealing effect is achieved.

In summary, when the device is used, firstly, the sealing ring is placed at the joint of two pipelines, then, the two sealing blocks of the inner ring are wrapped at the joint of two pipelines, the inner grooves and the outer grooves on the sealing blocks are mutually matched, then, the two fastening blocks of the outer ring are wrapped at the outer side of the inner ring, the step through holes on the fastening blocks are aligned with the threaded holes on the other fastening blocks, the bolts penetrate through the step through holes and are screwed into the threaded holes, the outer ring is gradually reduced along with the screwing of the bolts, the inner ring is extruded, the matched parts of the inner grooves and the outer grooves on the fastening blocks are extruded, the inner ring is also gradually reduced under the action of the inclined planes of the matched parts of the inner grooves and the outer grooves, and the annular inclined planes of the joint of the two pipelines are extruded towards the inclined planes of one side of the circle center through the fastening blocks, so that the two pipelines are extruded towards the sealing ring, and the sealing ring is tightly propped against the joint of the two pipelines under the action of self elastic force, and thus the sealing effect is achieved.

The inclined plane is offered through one side of inner circle towards the centre of a circle to this device to offer corresponding annular inclined plane in the interface department of pipeline, make the inner circle when tightening up, can push the pipeline through the inclined plane, make two pipelines draw close to the centre of the interface department, thereby can compress tightly the sealing washer that is located the centre, play sealed effect, make the inside liquid of pipeline or gaseous be difficult for revealing, this design can make the sealing washer utilize self elasticity, the tight extrusion is in pipeline interface department, thereby improved the sealed effect of pipeline interface department, the risk of revealing of pipeline interface department has been reduced, and this design simple structure, lower, the workman installation is more convenient to the processing size requirement, the installation effectiveness is higher.

The embodiments of the present utility model described above do not limit the scope of the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model as set forth in the appended claims.

Claims (5)

1. The utility model provides a pipeline interface leak protection device, includes inner circle and outer lane, its characterized in that: the inner ring is formed by combining a plurality of sealing blocks end to wrap the joint of two pipelines, one side of the sealing block facing the circle center is provided with two inclined planes which incline towards the middle and are symmetrical with each other, the joint of the pipelines is provided with an annular inclined plane corresponding to the inclined plane on the sealing block, the joint of the two pipelines is provided with an annular sealing ring, and the outer ring wraps the outer side of the inner ring and can compress the inner ring.

2. The pipe joint leakage prevention device according to claim 1, wherein: the sealing block is characterized in that one side of one end of the sealing block facing outwards is provided with a triangular outer groove, the other side of the other end of the sealing block facing inwards is provided with a triangular inner groove, and the outer groove and the inner groove can be matched with each other, so that the sealing block can be combined into a complete inner ring.

3. The pipe joint leakage prevention device according to claim 1, wherein: the outer ring comprises two semicircular annular fastening blocks, one end face of each fastening block is provided with a threaded hole, the other end face of each fastening block is provided with a step through hole, one end of each step through hole on each fastening block is opposite to one end of each threaded through hole, bolts penetrate through the step through holes, and the bolts extend into the corresponding threaded holes and are in threaded connection with the corresponding threaded holes.

4. A pipe joint leakage prevention apparatus according to claim 3, wherein: the number of the threaded holes and the step through holes on the fastening block is two.

5. The pipeline joint leakage prevention device according to any one of claims 1 to 4, wherein: the number of the sealing blocks is two, and the sealing blocks are all semicircular.