Anti-falling three-way connector

The combination design of anti-detachment ring, rotating groove and helical toothed retainer solves the problem of tee joints being difficult to replace and loosening when damaged or leaking, achieving convenient replacement and anti-detachment effect, and improving service life.

CN223794820UActive Publication Date: 2026-01-13JIANGSU BOYUAN PIPE IND CO LTD
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Patent Information

Application Number
CN202520346679.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-01-13
Estimated Expiration
2035-03-03

AI Technical Summary

Technical Problem

Existing tee connectors are difficult to replace when damaged or leaking, and are prone to loosening and falling off during use.

Method used

A tee connector designed to prevent detachment is used. By combining an anti-detachment ring, a rotating groove, and a helical toothed retaining strip, the anti-detachment ring can only move in one direction within the rotating groove by using the contact between the inclined spring groove and the retaining block. Combined with the threaded connection, the water pipe can be detachably fixed.

Benefits of technology

It enables convenient replacement when the tee joint is damaged or leaking, prevents it from loosening and falling off, and improves the service life and reliability of the device.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223794820U_ABST
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Abstract

The utility model discloses an anti-drop three-way joint, which relates to the field of three-way joint devices and comprises a main pipeline, a main pipeline internal thread is arranged in the main pipeline, a connecting pipeline is mounted at the lower end of the main pipeline, a second through hole is formed in one side of the connecting pipeline, and a third through hole is formed in the other side of the connecting pipeline. A fastening disc is installed above the main pipeline, a fixing ring is fixedly installed on the upper surface of the fastening disc, clamping grooves are formed in the fixing ring, the number of the clamping grooves is two, the clamping grooves are distributed in the fixing ring in an axial symmetry mode, rotating grooves are formed in the lower ends of the clamping grooves, and helical tooth clamping strips are arranged in the rotating grooves. By means of the anti-falling ring, the rotating groove and the clamping block, the water pipe can be secondarily fixed, the anti-falling effect is achieved, and meanwhile the damaged three-way connector can be replaced through the fastening disc.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of tee joint device, especially a kind of anti-falling tee joint. BACKGROUND

[0002] Three open pipe joints are called tee joints, tee joints are widely used in pipe network for conveying liquid and gas, and are used in fluid connection equipment, two outlets or two inlets, a tee joint is a kind of chemical pipe fitting, with T-shaped and Y-shaped, with equal diameter pipe port, also with different diameter pipe port, used for three same or different pipe collecting place, its main function is to change the direction of fluid;

[0003] At present, when tee joint is assembled with water pipe, one end of water pipe is inserted into one end of tee joint, then assembled by thread or welding, then the other end of water pipe is assembled with another component, but this assembly method has the following defects: if tee joint leaks or is damaged, since both ends of water pipe are fixed, it is difficult to move water pipe, so it is not easy to pull out water pipe from tee joint, it is not convenient to replace damaged tee joint and tee joint is prone to looseness and fall off during use.

[0004] Therefore, it is necessary to provide an anti-falling tee joint to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an anti-falling tee joint to solve the problems of difficult to move water pipe when tee joint leaks or is damaged, not easy to pull out water pipe from tee joint, inconvenient to replace damaged tee joint and tee joint prone to looseness and fall off during use.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: an anti-falling tee joint, comprising a main pipeline, a main pipeline internal thread is arranged in the main pipeline, a connecting pipeline is installed at the lower end of the main pipeline, a second through hole is arranged in one side direction of the connecting pipeline, and a third through hole is arranged in the other side direction of the connecting pipeline.

[0007] A fastening disc is arranged above the main pipeline, a fixed ring is fixedly installed on the upper surface of the fastening disc, a clamping groove is arranged in the fixed ring, two clamping grooves are arranged in the fixed ring and are symmetrically distributed, a rotating groove is arranged at the lower end of the clamping groove, an inclined tooth clamping strip is arranged in the rotating groove, and a plurality of inclined tooth clamping strips are evenly distributed on the rotating groove.

[0008] The fixed ring is internally provided with an anti-dropping ring, the outer surface of the anti-dropping ring is provided with spring grooves, the spring grooves are arranged in an axis-symmetrical manner on the anti-dropping ring, the spring grooves are horizontally inclined, springs are arranged in the spring grooves, the other ends of the springs are provided with clamping blocks, and the clamping blocks correspond to clamping grooves.

[0009] Preferably, the front end of the clamping block is arc-shaped, the clamping block is clamped in the clamping groove and can slide into the rotating groove through the clamping groove, and the front end of the clamping block is in abutment with the inclined toothed clamping strip.

[0010] Preferably, the anti-dropping ring is internally provided with an anti-dropping ring internal thread, the anti-dropping ring internal thread is in engagement with a water pipe thread, and a second sealing ring is arranged above the anti-dropping ring internal thread.

[0011] Preferably, the upper surface of the fastening disc is provided with an upper connecting piece at a central position, the upper end of the upper connecting piece is provided with a first through hole, the upper surface of the upper connecting piece is provided with a first sealing ring, the outer surface of the upper connecting piece is provided with an external thread, and the external thread is in engagement with the anti-dropping ring internal thread.

[0012] Preferably, the lower surface of the fastening disc is provided with a lower connecting piece at a central position, and the outer surface of the lower connecting piece is provided with an external thread in engagement with a main pipe internal thread.

[0013] Preferably, the upper connecting piece, the lower connecting piece and the anti-dropping ring are all made of pure copper, and the first sealing ring and the second sealing ring are made of rubber.

[0014] The technical effects and advantages of the utility model are as follows:

[0015] 1. The upper connecting piece, the lower connecting piece and the fastening disc are arranged in the utility model, if a tee joint leaks or is damaged during use and needs to be replaced, because the water pipe is screw-connected with the upper connecting piece and the main pipe is screw-connected with the lower connecting piece, only the lower connecting piece needs to be separated from the main pipe by rotating the fastening disc, and then the main pipe can be separated from the water pipe by rotating the connecting pipe slightly, so that the problem that the water pipe is difficult to pull out from the damaged tee joint because both ends of the water pipe are fixed is solved.

[0016] 2. The anti-dropping ring, the rotating groove and the clamping block are arranged in the utility model, the clamping block and the inclined toothed clamping strip are in abutment through the inclined spring grooves and the clamping block during use, the anti-dropping ring can only move in one direction in the rotating groove, the water pipe is fixed again, the effect of preventing the water pipe from falling off is achieved, and the problem that the tee joint is prone to loosening and falling off during use is solved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1It is an overall structure schematic view of the anti-falling tee joint of the utility model;

[0018] Figure 2 It is a split view of the anti-falling tee joint of the utility model;

[0019] Figure 3 It is a split view of the anti-falling ring of the anti-falling tee joint of the utility model;

[0020] Figure 4 It is a split view of the anti-falling tee joint of the utility model;

[0021] Figure 5 It is a split view of the anti-falling tee joint of the utility model;

[0022] In the figure: 1, main pipeline; 2, connecting pipeline; 3, No. 1 through port; 4, No. 2 through port; 5, No. 3 through port; 6, main pipeline internal thread; 7, lower connecting piece; 8, external thread; 9, fastening disc; 10, fixed ring; 11, upper connecting piece; 12, No. 1 sealing ring; 13, anti-falling ring; 14, No. 2 sealing ring; 15, anti-falling ring internal thread; 16, spring groove; 17, spring; 18, clamping block; 19, clamping groove; 20, rotating groove; 21, oblique tooth clamping strip. DETAILED DESCRIPTION

[0023] The utility model provides a kind of anti-falling tee joint as Figures 1-5 As shown in the figure, including main pipeline 1, main pipeline 1 inside is set with main pipeline internal thread 6, main pipeline 1 lower end is installed with connecting pipeline 2, connecting pipeline 2 one side direction is set with No. 2 through port 4, and connecting pipeline 2 other side direction is set with No. 3 through port 5;

[0024] Fastening disc 9 is arranged on the upper portion of main pipeline 1, and fixed ring 10 is fixedly installed on the upper surface of fastening disc 9;Clamping groove 19 is arranged in the interior of fixed ring 10, and two clamping grooves 19 are symmetrically distributed in the interior of fixed ring 10;Rotating groove 20 is arranged at the lower end of clamping groove 19, and oblique tooth clamping strip 21 is arranged in rotating groove 20;There are multiple oblique tooth clamping strips 21, and they are equidistantly and uniformly distributed on rotating groove 20.

[0025] Anti-falling ring 13 is arranged in the interior of fixed ring 10, spring groove 16 is arranged on the outer surface of anti-falling ring 13, and two spring grooves 16 are symmetrically distributed on anti-falling ring 13;Spring groove 16 is horizontally inclined, spring 17 is arranged in spring groove 16, clamping block 18 is arranged at the other end of spring 17, clamping block 18 corresponds to clamping groove 19, and by the abutment of clamping block 18 and oblique tooth clamping strip 21, anti-falling ring 13 can only move in one direction in rotating groove 20, so that water pipe is fixed again.

[0026] Further, the front end of the card block 18 is arc surface design, the card block 18 is set in the card slot 19, and can be slid into the rotating groove 20 through the card slot 19, the front end of the card block 18 is in contact with the inclined tooth card strip 21, and the arc surface design can increase the friction and make the card block 18 rotate more smoothly in the rotating groove 20.

[0027] Further, the inside of the anti-dropping ring 13 is provided with an anti-dropping ring internal thread 15, the anti-dropping ring internal thread 15 is engaged with the water pipe thread, the upper end of the anti-dropping ring internal thread 15 is provided with the second sealing ring 14, and the second sealing ring 14 ensures the sealing between the water pipe and the anti-dropping ring 13.

[0028] Further, the upper surface of the fastening disc 9 is provided with the upper connecting piece 11, the upper end of the upper connecting piece 11 is provided with the first through hole 3, the upper surface of the upper connecting piece 11 is provided with the first sealing ring 12, the first sealing ring 12 ensures the sealing between the anti-dropping ring 13 and the upper connecting piece 11, the outer surface of the upper connecting piece 11 is provided with the external thread 8, and the external thread 8 is engaged with the anti-dropping ring internal thread 15.

[0029] Further, the lower surface of the fastening disc 9 is provided with the lower connecting piece 7, and the outer surface of the lower connecting piece 7 is provided with the external thread 8, which is engaged with the main pipe internal thread 6.

[0030] Further, the upper connecting piece 11, the lower connecting piece 7 and the anti-dropping ring 13 are made of pure copper, so that the device can be used in the wall or road surface without deformation and damage caused by the extrusion of stones or cement, the device is more solid and durable, the service life of the joint is improved, and the first sealing ring 12 and the second sealing ring 14 are made of rubber.

[0031] In use, the spring groove 16 and the card block 18 are arranged obliquely, the card block 18 is in contact with the inclined tooth card strip 21, the anti-dropping ring 13 can only move in one direction in the rotating groove 20, the water pipe is fixed again, the anti-dropping effect is achieved, the loosening and falling of the tee joint in use is solved, if the tee joint leaks or is damaged and needs to be replaced, the water pipe is connected with the upper connecting piece 11 in a threaded manner, the main pipe 1 is connected with the lower connecting piece 7 in a threaded manner, the lower connecting piece 7 is separated from the main pipe 1 by rotating the fastening disc 9, the main pipe 1 is separated from the water pipe by rotating the connecting pipe 2 slightly, the water pipe is difficult to move, and the water pipe is difficult to pull out from the damaged tee joint.

Claims

1. An anti-drop tee joint comprising a main pipe (1), characterized in that: The main pipeline (1) is internally provided with a main pipeline internal thread (6), and the lower end of the main pipeline (1) is provided with a connecting pipeline (2), one side of the connecting pipeline (2) is provided with a second through port (4), and the other side of the connecting pipeline (2) is provided with a third through port (5). The fastening disc (9) is provided above the main pipeline (1), and the upper surface of the fastening disc (9) is fixedly provided with a fixed ring (10), the inner part of the fixed ring (10) is provided with a clamping groove (19), the clamping groove (19) is provided with two clamping grooves, which are axially symmetrically distributed in the inner part of the fixed ring (10), and the lower end of the clamping groove (19) is provided with a rotating groove (20), the rotating groove (20) is provided with an inclined tooth clamping strip (21), and the inclined tooth clamping strip (21) is provided with a plurality of inclined tooth clamping strips, which are equidistantly and uniformly distributed on the rotating groove (20). The fixed ring (10) is provided with an anti-dropping ring (13), the outer surface of the anti-dropping ring (13) is provided with a spring groove (16), the spring groove (16) is provided with two spring grooves, which are axially symmetrically distributed on the anti-dropping ring (13), the spring groove (16) is designed to be horizontally inclined, the spring groove (16) is provided with a spring (17), the other end of the spring (17) is provided with a clamping block (18), and the clamping block (18) corresponds to the clamping groove (19).

2. The anti-drop tee joint of claim 1, wherein: The front end of the clamping block (18) is designed as an arc surface, the clamping block (18) is clamped in the clamping groove (19) and can slide into the rotating groove (20) through the clamping groove (19), and the front end arc surface of the clamping block (18) abuts against the inclined tooth clamping strip (21).

3. The anti-drop tee joint of claim 2, wherein: The inner part of the anti-dropping ring (13) is provided with an anti-dropping ring internal thread (15), the anti-dropping ring internal thread (15) is engaged with the water pipe thread, and the anti-dropping ring internal thread (15) is provided above a second sealing ring (14).

4. The anti-drop tee joint of claim 3, wherein: The upper surface of the fastening disc (9) is provided with an upper connecting piece (11) at the center position, the upper end of the upper connecting piece (11) is provided with a first through port (3), the upper surface of the upper connecting piece (11) is provided with a first sealing ring (12), and the outer surface of the upper connecting piece (11) is provided with an external thread (8), which is engaged with the anti-dropping ring internal thread (15).

5. The anti-drop tee joint of claim 4, wherein: The lower surface of the fastening disc (9) is provided with a lower connecting piece (7) at the center position, the outer surface of the lower connecting piece (7) is provided with an external thread (8), and the external thread (8) is engaged with the main pipeline internal thread (6).

6. The anti-drop tee joint of claim 5, wherein: The upper connecting piece (11), the lower connecting piece (7) and the anti-dropping ring (13) are all made of pure copper, and the first sealing ring (12) and the second sealing ring (14) are made of rubber.