CN219755692U - UPVC return bend of convenient connection formula - Google Patents

Abstract

The utility model discloses a UPVC elbow convenient to connect, which relates to the technical field of UPVC elbows and comprises an elbow body, wherein pipelines are arranged at two ends of the elbow body, first external threads are arranged on the outer surfaces of the two ends of the elbow body, thread sleeves are arranged at two ends of the elbow body, one end of each thread sleeve is sleeved on each first external thread and matched with the corresponding first external thread, a second external thread is arranged at one end, close to the elbow body, of the outer surface of the pipeline, one end, far away from the elbow body, of each thread sleeve is sleeved on the corresponding second external thread and matched with the corresponding second external thread, connecting pipes are arranged at one end, close to the pipeline, of the elbow body, the connecting pipes are arranged in the pipelines and are contacted with the inner walls of the pipelines, a plurality of sealing rings are arranged on the outer surfaces of the connecting pipes at equal intervals, and one sides, far away from the connecting pipes, of the sealing rings are contacted with the inner walls of the pipelines. According to the utility model, the elbow body and the pipeline can be fixed together by matching the threaded sleeve with the first external thread and the second external thread, so that the connection is convenient.

Description

UPVC return bend of convenient connection formula

Technical Field

The utility model relates to the technical field of UPVC elbows, in particular to a UPVC elbow convenient to connect.

Background

The UPVC pipe is a plastic pipe with polyvinyl chloride resin as raw material and no plasticizer, and has the advantages of good corrosion resistance and flexibility, thus being especially suitable for water supply network.

The UPVC pipeline network is generally composed of straight pipes and bent pipes, and the bent pipes are generally fixed on the straight pipes through bolt flanges so as to be paved into the pipeline network.

At present, when a UPVC elbow is connected, a worker is required to align a flange at the end part of the elbow with a flange at the end part of a connected pipeline, mounting holes on the flanges are aligned with each other, then mounting bolts are placed in the mounting holes, the two flanges are fixed together, then the elbow is connected, the fixing is troublesome, and the connection is inconvenient.

Disclosure of Invention

The utility model provides a UPVC elbow convenient to connect, which solves the problems that when the traditional UPVC elbow is connected, an external pipeline and the elbow are fixed together by a bolt flange, the fixation is troublesome, and the connection is relatively inconvenient.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the UPVC elbow convenient to connect comprises an elbow body, wherein pipelines are arranged at two ends of the elbow body, first external threads are arranged on the outer surfaces of two ends of the elbow body, thread sleeves are arranged at two ends of the elbow body, one end of each thread sleeve is sleeved on each first external thread and is in threaded fit with the corresponding first external thread, a second external thread is arranged at one end, close to the elbow body, of the outer surface of the pipeline, and one end, far away from the elbow body, of each thread sleeve is sleeved on the corresponding second external thread and is in threaded fit with the corresponding second external thread;

the connecting pipe is arranged at one end, close to the pipeline, inside the bent pipe body, and the connecting pipe is arranged inside the pipeline and is contacted with the inner wall of the pipeline.

Optionally, a plurality of sealing rings are installed to connecting pipe surface equidistance, and one side that the sealing ring kept away from the connecting pipe contacts on the pipeline inner wall to with pipeline inner wall sealing fit.

Optionally, annular sealing blocks are installed at two ends of the bent pipe body, an annular groove is formed in one side, close to the bent pipe body, of the pipeline, and the annular sealing blocks are arranged in the annular groove and are in sealing fit with the annular groove.

Optionally, a stop collar is installed at one end of the pipeline close to the second external thread, and the end part of the thread bush is in contact with the stop collar.

Optionally, a plurality of anti-skid blocks are equidistantly arranged on the outer surface of the threaded sleeve;

the outer surface of the anti-skid block is provided with a buffer sleeve which is made of buffer rubber material.

The utility model has the following beneficial effects: this convenient connection formula UPVC return bend through the cooperation of thread bush with first external screw thread and second external screw thread, can fix return bend body and pipeline together, and it is comparatively convenient to connect.

Drawings

FIG. 1 is a schematic diagram of a UPVC elbow with easy connection according to the present utility model;

FIG. 2 is a schematic diagram of a pipe body structure of a UPVC pipe with easy connection according to the present utility model;

fig. 3 is a cross-sectional view of a pipe structure of a upc elbow of the present utility model with convenient connection.

In the figure: 1. a bent pipe body; 2. a pipe; 3. a first external thread; 4. a thread sleeve; 5. a second external thread; 6. a connecting pipe; 7. a seal ring; 8. an annular sealing block; 9. an annular groove; 10. a limiting ring; 11. an anti-skid block; 12. and a buffer sleeve.

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.

Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides a UPVC return bend convenient to connect, including return bend body 1, return bend body 1's both ends all are equipped with pipeline 2, return bend body 1 both ends surface all is equipped with first external screw thread 3, return bend body 1 both ends all are equipped with thread bush 4, thread bush 4 one end cover is on first external screw thread 3, and with first external screw thread 3 screw thread cooperation, the second external screw thread 5 is installed to the one end that pipeline 2 surface is close to return bend body 1, thread bush 4 is kept away from return bend body 1 one end cover on second external screw thread 5, and with second external screw thread 5 screw thread cooperation, through the cooperation of thread bush 4 and first external screw thread 3 and second external screw thread 5, can link together return bend body 1 and pipeline 2, it is comparatively convenient to connect;

the connecting pipe 6 is all installed to the inside one end that is close to pipeline 2 of return bend body 1, and pipeline 2 is inside to inside is arranged in to connecting pipe 6 to contact with pipeline 2 inner wall, can increase the area of contact between return bend body 1 and the pipeline 2 through connecting pipe 6, thereby can increase the connection stability between return bend body 1 and the pipeline 2.

A plurality of sealing rings 7 are installed on the outer surface of the connecting pipe 6 at equal intervals, one side, far away from the connecting pipe 6, of the sealing rings 7 is contacted with the inner wall of the pipeline 2 and is in sealing fit with the inner wall of the pipeline 2, gaps between the connecting pipe 6 and the pipeline 2 can be sealed through the sealing rings 7, and leakage of material liquid or gas conveyed by the pipeline 2 and the bent pipe body 1 is avoided.

Annular sealing blocks 8 are arranged at two ends of the bent pipe body 1, an annular groove 9 is formed in one side, close to the bent pipe body 1, of the pipeline 2, the annular sealing blocks 8 are arranged in the annular groove 9 and are in sealing fit with the annular groove 9, and through the matching of the annular sealing blocks 8 and the annular groove 9, the connection part of the pipeline 2 and the bent pipe body 1 can be further sealed, the sealing effect is improved, and leakage is prevented.

The spacing ring 10 is installed to the one end that pipeline 2 is close to second external screw thread 5, and the tip and the spacing ring 10 of thread bush 4 contact, can carry out spacingly to thread bush 4 through spacing ring 10, avoid in the connection process thread bush 4 rotation number of turns too much and lead to thread bush 4 to break away from first external screw thread 3 to avoid influencing the connection.

A plurality of anti-skid blocks 11 are equidistantly arranged on the outer surface of the thread bush 4, and friction force between the hands of a worker and the thread bush 4 can be increased through the anti-skid blocks 11, so that the rotation difficulty of the thread bush 4 is reduced;

the buffer sleeve 12 is arranged on the outer surface of the anti-skid block 11, the buffer sleeve 12 is made of buffer rubber materials, and the buffer sleeve 12 can be used for buffering and protecting hands of workers, so that the hands of the workers are prevented from being pressed by the anti-skid block 11 when the threaded sleeve 4 is rotated.

To sum up, this convenient connection formula UPVC return bend, during the use, connect screw thread cover 4 soon on first external screw thread 3 to make screw thread cover 4 whole cover in return bend body 1's tip, later with pipeline 2 cover on connecting pipe 6, make sealing ring 7 contact pipeline 2 inner wall, when pipeline 2 tip and return bend body 1's tip contact, annular sealing piece 8 moves into annular channel 9, seal pipeline 2 and return bend body 1 junction portion, prevent revealing, afterwards rotatory screw thread cover 4, screw thread cover 4 is close to pipeline 2's one end and connects soon on second external screw thread 5, when screw thread cover 4 is close to pipeline 2's one end contact stop collar 10, can accomplish the connection, it is comparatively convenient to connect.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, 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 above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A conveniently connected UPVC return bend, its characterized in that: the pipe bending device comprises a pipe bending body (1), wherein two ends of the pipe bending body (1) are respectively provided with a pipeline (2), the outer surfaces of two ends of the pipe bending body (1) are respectively provided with a first external thread (3), two ends of the pipe bending body (1) are respectively provided with a thread bush (4), one end of each thread bush (4) is sleeved on each first external thread (3) and is in threaded fit with each first external thread (3), one end, close to the pipe bending body (1), of the outer surface of each pipeline (2) is provided with a second external thread (5), and one end, far away from the pipe bending body (1), of each thread bush (4) is sleeved on each second external thread (5) and is in threaded fit with each second external thread (5);

the connecting pipe (6) is installed at one end, close to the pipeline (2), inside the bent pipe body (1), and the connecting pipe (6) is arranged inside the pipeline (2) and is contacted with the inner wall of the pipeline (2).

2. The conveniently connected UPVC elbow according to claim 1, wherein: a plurality of sealing rings (7) are arranged on the outer surface of the connecting pipe (6) at equal intervals, and one side, far away from the connecting pipe (6), of the sealing rings (7) is contacted with the inner wall of the pipeline (2) and is in sealing fit with the inner wall of the pipeline (2).

3. The conveniently connected UPVC elbow according to claim 1, wherein: annular sealing blocks (8) are arranged at two ends of the bent pipe body (1), an annular groove (9) is formed in one side, close to the bent pipe body (1), of the pipeline (2), and the annular sealing blocks (8) are arranged in the annular groove (9) and are in sealing fit with the annular groove (9).

4. The conveniently connected UPVC elbow according to claim 1, wherein: and a limiting ring (10) is arranged at one end, close to the second external thread (5), of the pipeline (2), and the end part of the thread sleeve (4) is contacted with the limiting ring (10).

5. The conveniently connected UPVC elbow according to claim 1, wherein: a plurality of anti-skid blocks (11) are equidistantly arranged on the outer surface of the threaded sleeve (4);

the outer surface of the anti-skid block (11) is provided with a buffer sleeve (12), and the buffer sleeve (12) is made of buffer rubber materials.