Intermediate joint with good anti-aging effect

By introducing expansion joints, locking screws, and anti-loosening sliders into the intermediate joints of PVC pipes, and filling the through-hole with heat insulation, sound insulation, and heat preservation layers, the problem of easy aging of PVC pipe joints is solved, achieving stable connection and efficient fixation, and improving service life and sealing performance.

CN223524734UActive Publication Date: 2025-11-07SHAANXI HENGJINYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422743654.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-11-07
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

Existing PVC pipe intermediate joints do not provide good protection during use, are prone to aging due to harsh external environmental factors, and cannot be quickly adjusted or efficiently fixed, affecting service life and sealing performance.

Method used

An intermediate joint consisting of a connector tube and a telescopic connecting tube is designed. The telescopic connecting tube is slidably connected inside the connector tube and is equipped with a locking screw and an anti-detachment slider. The through-hole is filled with a heat insulation layer, a sound insulation layer and a heat insulation layer, and the inner and outer surfaces are coated with anti-corrosion and wear-resistant coatings. It is fixed by using locking screws and pipe clamps.

Benefits of technology

It improves the aging resistance and service life of the intermediate joint, ensures connection stability and sealing performance, and can be quickly adjusted and fixed according to the position of the PVC pipe, thus enhancing installation strength and protection.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses an intermediate joint with a good anti-aging effect, which comprises a joint pipe and two telescopic connecting pipes, the number of the telescopic connecting pipes is two, the telescopic connecting pipes are both connected to the inner side of the joint pipe in a sliding manner, and locking screws for fixing the telescopic connecting pipes are arranged at the top of the joint pipe and close to the two ends; at least three through openings are formed in the connector pipe at equal intervals in a surrounding mode, and a heat insulation layer, a sound insulation layer and a heat preservation layer are sequentially and fixedly installed in each through opening from inside to outside. The intermediate joint with the good anti-aging effect is reasonable in structural design, convenient to use, high in strength and protection effect, not prone to aging caused by external severe environmental factors and long in service life, meanwhile, rapid adjustment can be conducted according to the position of a PVC pipe to be connected, efficient connection and fixation are achieved, the connection stability is guaranteed, and the service life is prolonged. And the sealing performance is excellent, and the multi-directional use requirements can be comprehensively met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline joint technical field, concretely is a middle joint with good anti -aging effect. BACKGROUND

[0002] At present, when the PVC pipe is butted, needs to be butted and installed through the corresponding butt joint, in order to guarantee the stability of the joint during operation, the corresponding protective device is needed to protect the joint and carry out the protective operation.

[0003] The existing PVC pipe middle joint has some problems when in use, such as not having good protection effect, being prone to aging due to adverse external environmental factors, affecting service life, and the like, cannot be quickly adjusted and connected according to the position of the PVC pipe, and cannot realize efficient fixing, thereby cannot guarantee the sealing property of the connecting portion, therefore, the utility model provides a middle joint with good anti-aging effect to solve the problems in the above background technology. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of middle joints with good anti-aging effect, to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of middle joint with good anti-aging effect, including joint pipe and telescopic connecting pipe, the quantity of telescopic connecting pipe is two and is slidably connected in the inside of joint pipe, the top of joint pipe and the position close to both ends are equipped with locking screw for telescopic connecting pipe fixation;

[0006] The through hole is fixed and installed with heat insulation layer, sound insulation layer and heat preservation layer from inside to outside in the through hole, and the outside of the heat insulation layer, the sound insulation layer and the heat preservation layer are fixedly connected with the inner wall of the through hole.

[0007] Further, the bottom of the telescopic connecting pipe is fixedly connected with an anti-slip block, and the inner wall of the joint pipe is provided with an anti-slip groove matched with the anti-slip block.

[0008] Further, the top of the joint pipe is symmetrically provided with a threaded sleeve, the locking screw is threadedly connected to the inside of the threaded sleeve, and the top of the telescopic connecting pipe is provided with a plurality of locking holes matched with the locking screw.

[0009] Further, the outer edge of the telescopic connecting pipe close to the inner end is provided with an annular groove, and the annular groove is fixedly connected with a sealing ring.

[0010] Further, the surface of the telescopic connecting pipe and the position close to the outer end are symmetrically provided with a support rod, and the end of the support rod away from the telescopic connecting pipe is welded with a pipe clamp.

[0011] Further, the inner surfaces of the joint pipe and the telescopic connecting pipe are provided with anticorrosion coating, and the outer surfaces of the joint pipe and the telescopic connecting pipe are provided with wear-resistant coating.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The utility model discloses a telescopic connecting pipe is realized with the connection between PVC pipe fitting, can adjust the position of telescopic connecting pipe outer end according to the position of pipe fitting under the connection of anti -slip block and anti -slip groove, realizes the fixation of telescopic connecting pipe after finishing with locking screw and locking hole, realizes the connection fixation with PVC pipe with pipe clamp, improves the installation intensity, and a plurality of through -going holes are set up on the joint pipe and are filled with heat -insulating layer, sound -proof layer and heat -preserving layer respectively in the inside, provide better anti -aging effect while guaranteeing pressure -resistant impact strength, and the inner and outer surfaces of the joint pipe and the telescopic connecting pipe are also provided with anticorrosion coating and wear-resistant coating respectively, further improve the anti -aging property and service life of overall structure, the intermediate joint with good anti -aging effect, reasonable structure design, convenient to use, has higher strength and protection effect, and is not easy to cause aging because of external harsh environmental factors, and the service life is long, can be adjusted fast according to the position of the PVC pipe to be connected simultaneously, realizes efficient connection and fixation, guarantees the stability of connection, is not easy to produce the falling, and the sealing performance is excellent, can satisfy multidirectional use demand comprehensively. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the three -dimensional structure schematic diagram of the utility model;

[0015] Fig. 2 It is the three -dimensional structure schematic diagram of the joint pipe of the utility model;

[0016] Fig. 3 It is the three -dimensional structure schematic diagram of the telescopic connecting pipe of the utility model.

[0017] In the drawing: 1 joint pipe, 2 telescopic connecting pipe, 3 locking screw, 4 through -going hole, 5 heat -insulating layer, 6 sound -proof layer, 7 heat -preserving layer, 8 anti -slip block, 9 anti -slip groove, 10 screw -on, 11 locking hole, 12 annular groove, 13 sealing ring, 14 support rod, 15 pipe clamp. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be apparently and completely described below in conjunction with the drawings of the embodiments of the utility model, and apparently, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0019] Please refer to Figs. 1-3 The utility model provides an intermediate joint with good anti-aging effect, which comprises a joint pipe 1 and two telescopic connecting pipes 2, both of which are slidably connected to the inner side of the joint pipe 1; locking screws 3 are installed on the top of the joint pipe 1 and close to both ends, and are used to fix the telescopic connecting pipes 2.

[0020] A plurality of through holes 4 are equidistantly arranged around the joint pipe 1, and a heat insulation layer 5, a sound insulation layer 6 and a heat preservation layer 7 are sequentially fixed and installed in the through holes 4 from the inside to the outside; the outer sides of the heat insulation layer 5, the sound insulation layer 6 and the heat preservation layer 7 are fixedly connected with the inner wall of the through holes 4; the heat insulation layer 5 can prevent the joint pipe 1 from aging or being damaged due to excessive external heat; the sound insulation layer 6 can prevent the diffusion of large noise generated during the transmission of liquid; and the heat preservation layer 7 can prevent the joint pipe 1 from aging or being damaged due to excessively low external temperature, thereby effectively prolonging the service life of the intermediate joint of the pipeline.

[0021] Specifically, the bottom of the telescopic connecting pipe 2 is fixedly connected with an anti-slip block 8, and an anti-slip groove 9 matched with the anti-slip block 8 is arranged on the inner wall of the joint pipe 1; when the telescopic connecting pipe 2 slides in the joint pipe 1, the anti-slip block 8 and the anti-slip groove 9 can prevent the telescopic connecting pipe 2 from coming out.

[0022] Specifically, screw sleeves 10 are symmetrically installed on the top of the joint pipe 1, the locking screws 3 are threadedly connected to the inner side of the screw sleeves 10, and a plurality of locking holes 11 matched with the locking screws 3 are equidistantly arranged on the top of the telescopic connecting pipe 2; according to the position of one end of the PVC pipeline to be connected, the position of the telescopic connecting pipe 2 can be adjusted by sliding until the position is determined; then, the locking screws 3 can be rotated and tightened into the corresponding locking holes 11 under the connection of the screw sleeves 10, thereby forming effective fixation.

[0023] Specifically, an annular groove 12 is arranged on the outer edge close to the inner end of the telescopic connecting pipe 2, and a sealing ring 13 is fixedly connected in the annular groove 12; the sealing ring 13 arranged in the annular groove 12 can prevent the gas or liquid being transported from leaking out through the gap between the inner end of the telescopic connecting pipe 2 and the joint pipe 1, thereby effectively improving the sealing performance of the whole joint.

[0024] Specifically, support rods 14 are symmetrically installed on the surface of the telescopic connecting pipe 2 and close to the outer end thereof, and pipeline clamps 15 are welded to the ends of the support rods 14 away from the telescopic connecting pipe 2; the PVC pipeline to be connected can be inserted into the outer end of the telescopic connecting pipe 2 to form connection therewith; positioning holes are arranged on the pipeline clamps 15, and bolts can be used to realize the tightening and fixation of the PVC pipeline.

[0025] Specifically, the inner surfaces of the joint pipe 1 and the telescopic connecting pipe 2 are provided with anticorrosion coatings, and the outer surfaces of the joint pipe 1 and the telescopic connecting pipe 2 are provided with wear-resistant coatings, the anticorrosion coatings can prevent the transported gas or liquid from corroding the inner walls of the joint pipe 1 and the telescopic connecting pipe 2, and the wear-resistant coatings can prevent physical bumps on the surfaces of the joint pipe 1 and the telescopic connecting pipe 2 caused by external factors, thereby improving the protection performance, anti-aging effect and service life of the overall structure.

[0026] The intermediate joint with the good anti-aging effect has a reasonable structure design, is convenient to use, has high strength and protection effect, is not prone to aging due to external harsh environmental factors, has a long service life, can be quickly adjusted according to the position of the PVC pipe to be connected, and can be efficiently connected and fixed, thereby ensuring the stability of the connection and preventing the connection from falling off, has excellent sealing performance, and can fully meet the use requirements in multiple directions.

[0027] In use, the telescopic connecting pipe 2 is connected with the PVC pipe, the position of the outer end of the telescopic connecting pipe 2 is adjusted under the connection of the anti-slip block 8 and the anti-slip groove 9 according to the position of the pipe, the telescopic connecting pipe 2 is fixed by using the locking screw 3 and the locking hole 11 after the adjustment is completed, the pipe clamp 15 is used to connect and fix the PVC pipe, the installation strength is improved, the joint pipe 1 is provided with a plurality of through holes 4 around the joint pipe 1, and the through holes 4 are respectively filled with a heat insulation layer 5, a sound insulation layer 6 and a heat preservation layer 7, the pressure resistance and impact resistance are ensured, the anti-aging effect is good, and the anticorrosion coating and the wear-resistant coating are respectively arranged on the inner and outer surfaces of the joint pipe 1 and the telescopic connecting pipe 2, thereby further improving the anti-aging property and service life of the overall structure.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An intermediate joint with good anti-aging effect, comprising a joint pipe (1) and a telescopic connecting pipe (2), characterized in that: The number of the telescopic connecting pipes (2) is two, and each is connected to the inner side of the joint pipe (1); the joint pipe (1) is provided with locking screws (3) for fixing the telescopic connecting pipes (2) on the top and near the two ends; The joint pipe (1) is provided with not less than three through holes (4) at equal intervals; the through holes (4) are sequentially provided with a heat insulation layer (5), a sound insulation layer (6) and a heat preservation layer (7) from inside to outside; the outer sides of the heat insulation layer (5), the sound insulation layer (6) and the heat preservation layer (7) are fixedly connected with the inner wall of the through holes (4).

2. The intermediate joint with good anti-aging effect according to claim 1, characterized in that: The bottom of the telescopic connecting pipe (2) is fixedly connected with an anti-slip block (8); the inner wall of the joint pipe (1) is provided with an anti-slip groove (9) matched with the anti-slip block (8).

3. The intermediate joint of claim 2, wherein: The top of the joint pipe (1) is symmetrically provided with a screw sleeve (10); the locking screw (3) is threadedly connected to the inner side of the screw sleeve (10); the top of the telescopic connecting pipe (2) is provided with a plurality of locking holes (11) matched with the locking screw (3) at equal intervals.

4. The intermediate joint of claim 3, wherein: The outer edge of the telescopic connecting pipe (2) near the inner end is provided with an annular groove (12); the annular groove (12) is fixedly connected with a sealing ring (13).

5. The intermediate joint of claim 4, wherein: The surface of the telescopic connecting pipe (2) and the position near the outer end are symmetrically provided with support rods (14); the pipe clamps (15) are welded to the ends of the support rods (14) away from the telescopic connecting pipe (2).

6. The intermediate joint of claim 5, wherein: The inner surfaces of the joint pipe (1) and the telescopic connecting pipe (2) are provided with an anti-corrosion coating; the outer surfaces of the joint pipe (1) and the telescopic connecting pipe (2) are provided with a wear-resistant coating.