CN215568849U - Elbow with good sealing performance - Google Patents

Abstract

The utility model discloses an elbow with good sealing performance, which comprises a connecting pipe, a movable ring, an elbow body and clamping blocks, wherein first internal threads are formed in the inner walls of openings at two ends of the elbow body, a connector is installed at one end, facing the elbow body, of the connecting pipe, the movable ring is arranged on the outer walls at two ends of the elbow body, third internal threads are formed in the inner walls of the movable ring, fixed blocks are symmetrically installed on the outer walls at two ends of the elbow body, third external threads are formed in the upper end of the fixed blocks, the third external threads are matched with the third internal threads, the clamping blocks distributed in a circular array are installed on the inner walls at two ends of the elbow body, and second sealing rings are embedded in the clamping blocks facing the openings of the elbow body. The sealing performance of the device is improved through the second sealing ring, and meanwhile, the movable ring is used for fixing the elbow body, so that the practicability of the device is greatly improved, and the cost for maintaining the pipeline is reduced.

Description

Elbow with good sealing performance

Technical Field

The utility model relates to the technical field of pipe fittings, in particular to an elbow with good sealing performance.

Background

The elbow is a common connecting pipe fitting used in water heating installation, is used for connecting the corner of a pipeline and changing the direction of the pipeline, and the elbow is made of cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, nonferrous metal, plastics and the like.

Through mass search, the publication number is CN209960074U, and an elbow and a pipeline device are disclosed. This elbow includes elbow lamella and lower elbow lamella, go up the elbow lamella with the elbow lamella is made by sheet molding compound down, the butt joint face of going up the elbow lamella is just to setting up with the butt joint face of lower elbow lamella, it all includes the elbow section with lower elbow lamella to go up the elbow lamella, the both ends of elbow section are prolonged and are equipped with the straight tube section that is used for with the pipe connection, the butt joint face of going up the elbow lamella and lower elbow lamella bonds to consolidate through first clamping mechanism and second clamping mechanism. The utility model has the beneficial effects that: simple structure, processing convenience, improved production efficiency to through first latch mechanism and second latch mechanism increased the intensity of elbow, the elbow that adopts sheet moulding compound to make is difficult for corroding, has prolonged life, has improved the compatibility when elbow and pipe connection.

To sum up, the mode of connection is selected according to the material of pipeline usually to current return bend connection, metal elbow is connected with the pipeline through welding mode often, the plastics return bend adopts the mode of hot melt to connect usually, the mounting means ubiquitous that the elbow is commonly used is difficult for the maintenance change, fragile and the relatively poor shortcoming of leakproofness, the elbow is used for the corner of pipeline, can receive stronger impact pressure usually, the damage takes place easily for welded elbow, and after the seepage took place for the junction of elbow, the unable quick replacement elbow of maintainer, practical practicality is relatively poor, can't satisfy the in-service use demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an elbow with good sealing performance so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an elbow that sealing performance is good, includes connecting pipe, loose ring, elbow body and fixture block, first internal thread has all been seted up to the both ends opening part inner wall of elbow body, the connecting pipe orientation the connector is installed to the one end of elbow body, the both ends outer wall of elbow body all is provided with the loose ring, the third internal thread has been seted up to the inner wall of loose ring, the fixed block is installed to the equal symmetry of both ends outer wall of elbow body, the third external screw thread has been seted up to the upper end of fixed block, the third external screw thread with third internal thread looks adaptation, the fixture block that is circular array and distributes is all installed to the inner wall at elbow body both ends, the fixture block orientation the second sealing washer is installed in the opening part embedding of elbow body.

Preferably, the outer wall of the connector is provided with a first external thread, and the first external thread is matched with the first internal thread.

Preferably, the two ends of the elbow body are orthogonally distributed, and the connectors are arranged inside the two ends of the elbow body.

Preferably, the inner wall of the movable ring facing one end of the connecting pipe is provided with a second internal thread, the outer wall of one end of the connecting pipe is provided with a second external thread, and the second external thread is matched with the second internal thread.

Preferably, the movable ring deviates from the stopper that is circular array distribution is installed to the one end inner wall of connecting pipe, the stopper orientation the equal fixed mounting in one side of fixed block has first sealing washer.

Preferably, one side of the fixture block, which is far away from the opening of the elbow body, is designed by an inclined plane process.

Compared with the prior art, the utility model has the beneficial effects that: the elbow body is installed into the pipeline through the movable ring, so that the problem that maintenance personnel are difficult to replace the elbow is solved, meanwhile, the leakage at the joint of the elbow is effectively avoided through the first sealing ring installed inside the elbow, and the practicability of the device is greatly improved.

Drawings

FIG. 1 is a schematic structural view in main section of the present invention;

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the structure B of FIG. 1 according to the present invention;

fig. 4 is a schematic front view of the present invention.

In the figure: 1. a movable ring; 2. a first external thread; 3. a connecting pipe; 4. a connector; 5. a first internal thread; 6. a second external thread; 7. a second internal thread; 8. an elbow body; 9. a fixed block; 10. a third external thread; 11. a third internal thread; 12. a limiting block; 13. a first seal ring; 14. a second seal ring; 15. and (7) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, an embodiment of the present invention includes: an elbow with good sealing performance comprises a connecting pipe 3, a movable ring 1, an elbow body 8 and a clamping block 15, wherein first internal threads 5 are arranged on the inner walls of openings at two ends of the elbow body 8, a connecting head 4 is arranged at one end, facing the elbow body 8, of the connecting pipe 3, first external threads 2 are arranged on the outer wall of the connecting head 4, the first external threads 2 are matched with the first internal threads 5, two ends of the elbow body 8 are distributed orthogonally, the connecting heads 4 are arranged inside two ends of the elbow body 8, a worker can install the elbow body 8 at a corner of a pipeline through the connecting heads 4, the difficulty of installing the elbow body 8 by the worker is reduced, the movable ring 1 is arranged on the outer walls at two ends of the elbow body 8, a second internal thread 7 is arranged on the inner wall, facing one end of the connecting pipe 3, a second external thread 6 is arranged on the outer wall at one end of the connecting pipe 3, the second external thread 6 is matched with the second internal thread 7, the staff is connected connecting pipe 3 and elbow body 8 through connector 4 and is rotated back rotatable activity ring 1, get up activity ring 1 and connecting pipe 3 through threaded connection, third internal thread 11 has been seted up to the inner wall of activity ring 1, fixed block 9 is installed to the equal symmetry of both ends outer wall of elbow body 8, third external screw thread 10 has been seted up to the upper end of fixed block 9, third external screw thread 10 and the 11 looks adaptations of third internal thread, the staff rotates activity ring 1 through third external screw thread 10 and third internal thread 11.

The inner wall of one end of the movable ring 1, which is far away from the connecting pipe 3, is provided with a limiting block 12 distributed in a circular array, the limiting block 12 can prevent the movable ring 1 from falling off from the elbow body 8, one side of the limiting block 12, which faces the fixed block 9, is fixedly provided with a first sealing ring 13, the first sealing ring 13 can improve the sealing performance of the device, when leakage occurs between the movable ring 1 and the elbow body 8, the first sealing ring 13 can avoid the liquid in the pipeline from leaking, the inner walls at the two ends of the elbow body 8 are provided with clamping blocks 15 distributed in a circular array, the clamping blocks 15 are embedded and provided with a second sealing ring 14 towards the opening of the elbow body 8, when a worker installs the connecting head 4 into the elbow body 8, the surface of one end of the connecting head 4 is contacted with the second sealing ring 14, the sealing performance between the connecting head 4 and the elbow body 8 is improved, and the leakage of the liquid in the pipeline when the elbow body 8 is subjected to long-time pressure is prevented, one side of the fixture block 15, which deviates from the opening of the elbow body 8, is designed by an inclined surface process, after water is conveyed into the elbow body 8, the water impacts on one side of the inclined surface of the fixture block 15, so that the resistance of the water during flowing can be reduced, the impact of the water on the elbow body 8 is reduced, and the pressure of the elbow body 8 in a pipeline is greatly reduced.

The working principle is as follows: the worker connects the connector 4 and the elbow body 8 through threads, and then connects the connecting pipe 3 with the elbow body 8, and seals a gap between the connector 4 and the elbow body 8 through the second sealing ring 14, thereby increasing the sealing performance of the device, the worker can rotate the movable ring 1 at the moment, and connect one end of the movable ring 1 with the connecting pipe 3 through threads, so that the movable ring 1 fixes the elbow body 8 and the connecting pipe 3, thereby preventing the elbow body 8 from being loosened due to impact and leakage, increasing the stability of the device, avoiding the worker from adopting a welding mode when installing the elbow body 8, when the elbow body 8 is damaged, the maintenance worker can conveniently and conveniently disassemble the elbow body 8 through the movable ring 1, replace the elbow body 8, avoid cutting a pipeline to replace the elbow body 8, and greatly improving the practicability of the device, and the cost for maintaining the pipeline is reduced.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a well-sealed elbow of performance, includes connecting pipe (3), activity ring (1), elbow body (8) and fixture block (15), its characterized in that: first internal thread (5) have all been seted up to the both ends opening part inner wall of elbow body (8), connecting pipe (3) orientation connector (4) are installed to the one end of elbow body (8), the both ends outer wall of elbow body (8) all is provided with activity ring (1), third internal thread (11) have been seted up to the inner wall of activity ring (1), fixed block (9) are installed to the equal symmetry of both ends outer wall of elbow body (8), third external screw thread (10) have been seted up to the upper end of fixed block (9), third external screw thread (10) with third internal thread (11) looks adaptation, fixture block (15) that are circular array and distribute are all installed to the inner wall at elbow body (8) both ends, fixture block (15) orientation second sealing washer (14) are installed in the opening part embedding of elbow body (8).

2. The elbow with good sealing performance according to claim 1, wherein: first external screw thread (2) have been seted up to the outer wall of connector (4), first external screw thread (2) with first internal thread (5) looks adaptation.

3. The elbow with good sealing performance according to claim 1, wherein: the both ends of elbow body (8) are the orthogonal distribution, just inside all installing in the both ends of elbow body (8) connector (4).

4. The elbow with good sealing performance according to claim 1, wherein: the movable ring (1) faces towards the inner wall of one end of the connecting pipe (3) and is provided with a second internal thread (7), the outer wall of one end of the connecting pipe (3) is provided with a second external thread (6), and the second external thread (6) is matched with the second internal thread (7).

5. The elbow with good sealing performance according to claim 1, wherein: the movable ring (1) deviates from a limiting block (12) which is distributed in a circular array is installed on the inner wall of one end of the connecting pipe (3), the limiting block (12) faces towards the equal fixed mounting on one side of the fixing block (9) is provided with a first sealing ring (13).

6. The elbow with good sealing performance according to claim 1, wherein: one side of the clamping block (15) departing from the opening of the elbow body (8) is designed by an inclined surface process.

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