CN219796428U

CN219796428U - Pipeline sealing joint

Info

Publication number: CN219796428U
Application number: CN202321263480.1U
Authority: CN
Inventors: 黄福旺; 张皓凯; 李天祥; 王录尧
Original assignee: Fujian Liya Tetao Co ltd
Current assignee: Fujian Liya Tetao Co ltd
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2023-10-03
Anticipated expiration: 2033-05-23

Abstract

The utility model discloses a pipeline sealing joint, which comprises a joint pipe body, wherein convex rings are arranged at two ends of the joint pipe body, and two movable sleeve bodies which are positioned between the two convex rings and are opposite in opening direction are sleeved on the outer side of the joint pipe body; the outer sides of the two ends of the joint pipe body are respectively provided with an installation groove with an annular structure, the top of the installation groove is convexly provided with an insertion ring, and the outer sides of the insertion rings are sleeved with sealing sleeve bodies; the two ends of the joint pipe body are respectively provided with a connecting pipe body, the connecting pipe body is provided with a slot which is matched with the inserting ring for inserting connection, the outer side of the end part of the connecting pipe body is provided with threads, and the movable sleeve body is sleeved on the outer side of the connecting pipe body and is in threaded connection with the connecting pipe body. The utility model improves the sealing effect of the connection between pipelines and reduces the leakage phenomenon of threaded connection.

Description

Pipeline sealing joint

Technical Field

The utility model relates to the technical field of pipeline installation, in particular to a pipeline sealing joint.

Background

The traditional pipeline connection generally adopts two pipes to be in butt joint, then adopts nuts to screw, and seals by controlling geometric dimension precision of the connecting end face and threads, and the auxiliary gasket is matched with the rubber sealing ring, but the sealing mode is generally smaller because the width of the rubber sealing ring is smaller, so that the sealing section area is smaller, the sealing effect cannot be well achieved, liquid leakage can often occur after a period of use, and the sealing requirement cannot be met.

Disclosure of Invention

Accordingly, an object of the present utility model is to provide a sealing joint for pipes, which improves the sealing effect of the connection between pipes and reduces the leakage of the threaded connection, so as to solve the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the pipe sealing joint comprises a joint pipe body, wherein convex rings are arranged at two ends of the joint pipe body, and two movable sleeve bodies which are positioned between the two convex rings and are opposite in opening direction are sleeved on the outer side of the joint pipe body; the outer sides of the two ends of the joint pipe body are respectively provided with an installation groove with an annular structure, the top of the installation groove is convexly provided with an insertion ring, and the outer sides of the insertion rings are sleeved with sealing sleeve bodies; the two ends of the joint pipe body are respectively provided with a connecting pipe body, the connecting pipe body is provided with a slot which is matched with the inserting ring for inserting connection, the outer side of the end part of the connecting pipe body is provided with threads, and the movable sleeve body is sleeved on the outer side of the connecting pipe body and is in threaded connection with the connecting pipe body.

Further, the connecting pipe body is provided with a groove with an annular structure, and a conical sealing ring is sleeved in the groove.

Further, an outer notch is obliquely arranged on the inner side of the outer end part of the movable sleeve body, and the outer notch extrudes the conical sealing ring during installation.

Further, the joint pipe body is positioned at the inner side of the convex ring and sleeved with a triangular sealing ring.

Further, an inner notch is formed in the inner side of the inner end portion of the movable sleeve body, and the inner notch extrudes the triangular sealing ring during installation.

Further, one or more embedded grooves are formed in the side wall of the mounting groove, and an O-shaped sealing ring is sleeved in the embedded groove.

Further, the longitudinal section of the seal sleeve body is in a U-shaped structure.

Further, the longitudinal section of the sealing sleeve body is arranged in an omega-like structure.

Further, the top surface and/or the bottom surface of the sealing sleeve body are/is provided with a sinking groove with an arc-shaped structure.

Advantageous effects

Compared with the prior art, the utility model at least comprises the following advantages: the conical sealing ring of the connecting pipe body and the triangular sealing ring of the joint pipe body are respectively extruded and sealed with the outer notch and the inner notch of the movable sleeve body during installation, so that the movable sleeve body is sealed with the connecting pipe body and the joint pipe body, and the possibility of leakage of threaded connection is reduced. The socket, the insert ring and the seal sleeve body are matched, the connecting pipe body is positioned on one hand, the stability of the connection of the pipe body is enhanced, the contact area between the connecting pipe orifice and the bottom of the mounting groove of the joint sleeve body is increased on the other hand, the sealing area is increased, and the sealing effect is greatly improved. The embedded groove and the O-shaped sealing ring enable the inner wall of the connecting pipe body to be tightly connected with the joint pipe body, and the sealing effect is further improved. The utility model adopts multiple seals, greatly increases the sealing range, improves the sealing performance of the joint and reduces the possibility of liquid leakage.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic diagram of a front view structure of the present utility model.

Fig. 3 is a schematic view of a partial enlarged structure of fig. 1.

Fig. 4 is a partially enlarged schematic structural view of fig. 3.

The drawing is marked: 1-connecting a pipe body; 2-joint pipe body; 3-a movable sleeve body; 4-a conical sealing ring; 30-an outer notch; 31-inner notch; 5-grooves; 6-slots; 7-external threads; 8-an embedding groove; a 9-O-shaped sealing ring; 10-mounting grooves; 11-inserting a ring; 12-sealing the sleeve body; 120-sink; 13-a triangular sealing ring; 14-convex ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the following detailed description is given with reference to the accompanying drawings and the detailed description. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "mounted" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, a pipeline sealing joint comprises a joint pipe body 2, wherein convex rings 14 are arranged at two ends of the joint pipe body 2, and two movable sleeve bodies 3 which are positioned between the two convex rings 14 and are opposite in opening direction are sleeved on the outer side of the joint pipe body 2; the outer sides of the two ends of the joint pipe body 2 are respectively provided with an installation groove 10 with an annular structure, the top of the installation groove 10 is convexly provided with an insertion ring 11, and the outer side of the insertion ring 11 is sleeved with a sealing sleeve body 12; the two ends of the joint pipe body 2 are respectively provided with a connecting pipe body 1, one end, close to the joint pipe body 2, of the connecting pipe body 1 is provided with a slot 6 which is connected with the inserting ring 11 in an adaptive inserting mode, and the outer side of the end part of the connecting pipe body 1 is provided with an external thread 7. The longitudinal section of the movable sleeve body 3 is in an L-shaped structure, the movable sleeve body is sleeved on the outer side of the joint pipe body, and the inner end part of the movable sleeve body is clamped on the inner side of the convex ring 14. The inner side wall of the movable sleeve body is provided with an inner thread which is in threaded connection with the outer thread 7 of the connecting pipe body 1 in a matched mode. The socket 6 is matched with the insert ring 11 to position the connecting pipe body 1, so that the stability of connection between the connecting pipe body 1 and the joint pipe body 2 is improved.

In the technical scheme of the utility model, the longitudinal section of the sealing sleeve body 12 can be in a U-shaped structure, the sealing sleeve body is sleeved on the inserting ring 11, the top and the side surfaces of the inserting ring 11 are covered, when the inserting ring 11 is inserted into the slot 6 of the connecting pipe body 1, the movable sleeve body 3 is rotated, the movable sleeve body 3 is in threaded connection with the connecting pipe body 1, the sealing sleeve body 12 enables the inserting ring 11 to be tightly connected with the side wall of the slot 6, at the moment, the contact position of the inserting ring 11 and the slot forms a sealing surface, and the sealing area is enlarged. Preferably, the bottom of both sides of the seal cover body 12 is provided with a transverse extension portion, so that the seal cover body 12 is arranged in an omega-like structure, the seal cover body 12 not only covers the top and both side surfaces of the insert ring 11, but also covers the bottom surface of the installation groove 10, when the insert ring 11 is in inserted connection with the slot 12, and the movable cover body 3 is screwed with the connecting pipe body 1, the seal cover body 12 enables the insert ring 11 to be tightly connected with the side wall of the slot 6, and simultaneously enables the port of the connecting pipe body 1 to be tightly connected with the bottom of the installation groove 10, at this time, the contact position of the insert ring 11 and the slot 6 and the port of the connecting pipe body 1 and the bottom of the installation groove 10 form a sealing surface, so that the sealing area is further enlarged.

Further, the top surface and/or the bottom surface of the sealing sleeve body 12 are/is provided with a sinking groove 120 with an arc structure, when in installation, the sealing sleeve body 12 is extruded, the sinking groove 120 forms a sucking disc structure, and the sucking disc structure is adsorbed on the connecting pipe body 1 and the installation groove 10, so that the stability and the tightness of the pipe body connection are further enhanced.

In the prior art, the pipeline connection adopts threaded connection, and in long-time use, the phenomenon of leakage easily exists. In the technical scheme of the utility model, the connecting pipe body 1 is provided with a groove 5 with an annular structure, a conical sealing ring 4 is sleeved in the groove, and the conical sealing ring 4 is a sealing ring with a conical structure in the longitudinal section. The inner side of the outer end part of the movable sleeve body 3 is obliquely provided with an outer notch 30, when the movable sleeve body 3 is in threaded connection with the connecting pipe body 1, the movable sleeve body moves towards the conical sealing ring 4, and the outer notch 30 extrudes and clings to the conical sealing ring, so that the joint of the movable sleeve body 3 and the connecting pipe body 1 is in a sealing state.

In the technical scheme of the utility model, the joint pipe body 2 is positioned at the inner side of the convex ring 14 and is sleeved with a triangular sealing ring 13 with a triangular longitudinal section. The inner side of the inner end part of the movable sleeve body 3 is provided with an inner notch 31, when the movable sleeve body 3 is in threaded connection with the connecting pipe body 1, the inner notch 31 extrudes the triangular sealing ring 13, the inner side end of the triangular sealing ring 13 clings to the inner side wall of the boss 14, the inclined surface of the triangular sealing ring 13 is tightly connected with the inner notch 31, and the sealing of the joint of the movable sleeve body 3 and the joint pipe body 2 is realized.

Preferably, the side wall of the installation groove 10 is provided with one or more embedded grooves 8, an O-shaped sealing ring 9 is sleeved in the embedded grooves 8, when the inserting ring 11 of the joint pipe body 2 is inserted into the inserting groove of the connecting pipe body 1, the O-shaped sealing ring 9 is extruded to deform, and the side wall of the embedded grooves and the inner side wall of the connecting pipe body 1 are tightly attached to play a sealing role of the other layer, so that the sealing performance of the sealing joint is improved.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The pipeline sealing joint is characterized by comprising a joint pipe body, wherein convex rings are arranged at two ends of the joint pipe body, and two movable sleeve bodies which are positioned between the two convex rings and are opposite in opening direction are sleeved on the outer side of the joint pipe body; the outer sides of the two ends of the joint pipe body are respectively provided with an installation groove with an annular structure, the top of the installation groove is convexly provided with an insertion ring, and the outer sides of the insertion rings are sleeved with sealing sleeve bodies; the two ends of the joint pipe body are respectively provided with a connecting pipe body, the connecting pipe body is provided with a slot which is matched with the inserting ring for inserting connection, the outer side of the end part of the connecting pipe body is provided with threads, and the movable sleeve body is sleeved on the outer side of the connecting pipe body and is in threaded connection with the connecting pipe body.

2. A pipe sealing joint according to claim 1, wherein the connecting pipe body is provided with a groove of annular structure, and a conical sealing ring is sleeved in the groove.

3. A pipe sealing joint according to claim 2, wherein an outer notch is provided obliquely on the inner side of the outer end portion of the movable sleeve body, and when the movable sleeve body is mounted, the outer notch presses the tapered sealing ring.

4. A pipe sealing joint according to claim 1, wherein the joint pipe body is provided with a triangular sealing ring on the inner side of the convex ring.

5. A pipe sealing joint according to claim 4, wherein an inner notch is provided on the inner side of the inner end of the movable sleeve body, and the inner notch presses the triangular sealing ring when the movable sleeve body is mounted.

6. A pipe sealing joint according to claim 1, wherein the side wall of the mounting groove is provided with one or more embedded grooves, and O-rings are sleeved in the embedded grooves.

7. A pipe sealing joint according to claim 1, wherein the longitudinal cross-section of the gland body is provided in a U-shaped configuration.

8. A pipe sealing joint according to claim 1, wherein the longitudinal cross-section of the gland body is arranged in an omega-like configuration.

9. A pipeline sealing joint according to claim 7 or 8 wherein the top and/or bottom faces of the gland body are provided with arcuate shaped countersinks.