Large-diameter pipeline connector

By designing structures such as connecting sleeves, fastening bolts, and limiting posts, the problem of cumbersome operation of existing large-diameter pipe connectors has been solved, achieving convenient connection and improved stability, and adapting to the needs of different installation heights.

CN224079756UActive Publication Date: 2026-04-03ANHUI MINGHU CONSTR ENG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-15
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Existing large-diameter pipe connectors are cumbersome to operate and difficult to connect to limiting pipes conveniently.

Method used

The structure adopts a design including a connecting sleeve, fastening bolts, limiting post, and anti-slip sleeve. The fastening bolts drive the fastening seat to move downward, and the combination of the limiting post and anti-slip pad compression achieves secondary limiting connection. The height can be adjusted by a knob and a two-way screw to adapt to different installation requirements.

Benefits of technology

It achieves convenient pipe connection and improved stability, can adapt to installation requirements at different heights, and improves the stability and convenience of connection.

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Abstract

The utility model relates to the field of pipeline connectors, and discloses a large-diameter pipeline connector which comprises a connecting sleeve, a connecting sleeve is fixedly connected to the middle of an inner cavity of the connecting sleeve, the outer ring of the connecting sleeve is connected with a pipeline body in a sleeved mode, and an installation adjusting mechanism is arranged at the bottom of the connecting sleeve. According to the large-diameter pipeline connector, the fastening base in the fastening groove is driven by the fastening bolt to move downwards, so that the semicircular anti-skid sleeve and the anti-skid pad extrude the pipeline to achieve secondary limiting connection, and when the pipeline has outward force, the pipeline is matched with the semicircular tooth sleeve on the outer ring of the limiting column in the groove, so that the pipeline is prevented from falling off. The inclined fastening toothed plate tends to move in the direction of the pipeline body, then an anti-skid pad at the bottom of the fastening toothed plate and the pipeline body are extruded, the connecting stability of the pipeline body is guaranteed, and the problem that an existing connector is difficult to connect and limit a pipeline conveniently is solved.
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Description

Technical Field

[0001] This utility model relates to the field of pipe connector technology, specifically a large-diameter pipe connector. Background Technology

[0002] Pipe connectors are a combination of components made of stainless steel and rubber, primarily used to achieve sealing and pressure resistance. They have a compact structure and require no pretreatment of the pipe ends during installation. Simply slip the connector over the two pipe ends to be connected, tighten the side bolts, and the locking teeth will grip the pipe end surface to achieve a secure and fixed connection. Simultaneously, the sealing sleeve will adhere tightly to the pipe, achieving a secure and locked seal.

[0003] Patent CN220416526U discloses a large-diameter pipe connector, which includes a pipe body with a socket at the end of the pipe body. A connecting component is provided at the connection between adjacent pipe bodies. The connecting component includes a fixed frame, a support frame, a movable frame, and a fixing clamp. The device uses a sliding rod and a threaded rod to cooperate with each other, so that the fixed frame and the movable frame can squeeze and seal two adjacent sets of pipe bodies, avoiding gaps between adjacent pipe bodies, facilitating welding of the pipe body, effectively reducing the welding difficulty of large-diameter pipes, and improving welding efficiency.

[0004] However, this device only uses the locking bolt to push the anti-slip pad against the pipe for limitation, and then welds the pipe. The operation is cumbersome and it is difficult to connect the pipe conveniently. Therefore, a large-diameter pipe connector is proposed to solve the problem that the existing connectors are difficult to connect and limit the pipe conveniently. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this invention provides a large-diameter pipe connector, which solves the aforementioned problems.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a large-diameter pipe connector, comprising a connecting sleeve, a connecting sleeve fixedly connected to the middle of the inner cavity of the connecting sleeve, a pipe body sleeved on the outer ring of the connecting sleeve, an installation adjustment mechanism provided at the bottom of the connecting sleeve, a fastening groove provided on the outer ring of the connecting sleeve, a fastening seat provided in the inner cavity of the fastening groove, a groove provided at the bottom of the fastening seat, a limit post rotatably connected to the inner cavity of the groove, a semi-circular toothed sleeve fixedly connected to the outer ring of the limit post, a semi-circular anti-slip sleeve fixedly connected to the bottom of the semi-circular toothed sleeve, a fastening toothed plate inclined and slidably provided in the inner cavity of the fastening seat, an anti-slip pad fixedly connected to the bottom of the fastening toothed plate, a fixing bracket fixedly connected to the top of the connecting sleeve, and a fastening bolt rotatably connected to the top of the fastening seat.

[0009] Preferably, the inner ring of the pipe body is pressed and fitted with the outer ring of the connecting sleeve, and the outer ring of the pipe body is pressed and fitted with the inner ring of the connecting sleeve.

[0010] Preferably, the fastening bolt and the fastening seat are rotatably connected by a bearing, the fastening bolt passes through the fixing frame and the two are threaded together.

[0011] Preferably, the fastening toothed plate engages with the semi-circular toothed sleeve of the outer ring of the limiting post.

[0012] Preferably, the installation adjustment mechanism includes a mounting base disposed at the bottom of the connecting sleeve, a fixed sleeve plate symmetrically and fixedly connected to the top of the mounting base, an adjustment plate slidably disposed in the inner cavity of the fixed sleeve plate, the adjustment plate being fixedly connected to the connecting sleeve, an installation hole being provided on the top of the mounting base, and a limit bolt being screwed through one side of the fixed sleeve plate.

[0013] Preferably, the top of the mounting base is provided with an adjustment groove, the inner cavity of the adjustment groove is symmetrically provided with an adjustment block, the inner cavity of the adjustment groove is rotatably connected with a bidirectional screw, one end of the bidirectional screw is fixedly connected with a knob, and the top of the adjustment block is rotatably connected with a connecting plate.

[0014] Preferably, the bottom of the connecting sleeve is fixedly connected to a fixed seat, the fixed seat and the connecting plate are rotatably connected, the bidirectional screw passes through two adjusting blocks and the two are threadedly connected, the bidirectional screw passes through the mounting base and the intersection of the two is rotatably connected by a bearing.

[0015] (III) Beneficial Effects

[0016] 1. This large-diameter pipe connector, through the fastening bolts, moves the fastening seat in the fastening groove downwards, causing the semi-circular anti-slip sleeve and anti-slip pad to compress against the pipe, thus providing a secondary limiting connection. At the same time, when there is an outward force on the pipe, the semi-circular toothed sleeve on the outer ring of the limiting post in the groove, in conjunction with the groove, causes the inclined fastening toothed plate to move towards the pipe body, thereby causing the anti-slip pad at the bottom of the fastening toothed plate to compress against the pipe body, thus ensuring the stability of the pipe body connection and solving the problem of existing connectors being difficult to connect and limit pipes conveniently.

[0017] 2. This large-diameter pipe connector, based on the required installation height of the pipe body, uses a knob in conjunction with a bearing to drive a bidirectional screw to rotate, thereby moving the adjusting block in the adjusting groove towards the center. This, together with the connecting plate and the fixing seat, causes the connecting sleeve and the pipe body to move upward. During the process, the adjusting plate moves out with the connecting sleeve and is fixed in place. Finally, tightening the limit bolt limits the adjusting plate, achieving the purpose of height adjustment for this large-diameter pipe connector while improving stability. Attached Figure Description

[0018] Figure 1 This is a structural diagram of the present utility model;

[0019] Figure 2 This is a cross-sectional view of the structure of this utility model;

[0020] Figure 3 The structure of this utility model Figure 2 Enlarged view of point A in the middle;

[0021] Figure 4 This is a cross-sectional view of the structural installation and adjustment mechanism of this utility model.

[0022] In the diagram: 1. Connecting sleeve; 2. Connecting sleeve; 3. Pipe body; 4. Installation and adjustment mechanism; 401. Mounting base; 402. Fixing sleeve plate; 403. Adjusting plate; 404. Limiting bolt; 405. Mounting hole; 406. Adjusting groove; 407. Adjusting block; 408. Double-acting screw; 409. Knob; 4010. Fixing base; 4011. Connecting plate; 5. Fastening groove; 6. Fastening base; 7. Groove; 8. Limiting post; 9. Semi-circular toothed sleeve; 10. Semi-circular anti-slip sleeve; 11. Fastening toothed plate; 12. Anti-slip pad; 13. Fixing bracket; 14. Fastening bolt. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example: Please refer to Figure 1-4 A large-diameter pipe connector includes a connecting sleeve 1, a connecting sleeve 2 fixedly connected to the middle of the inner cavity of the connecting sleeve 1, a pipe body 3 sleeved on the outer ring of the connecting sleeve 2, an installation adjustment mechanism 4 provided at the bottom of the connecting sleeve 1, a fastening groove 5 provided on the outer ring of the connecting sleeve 1, a fastening seat 6 provided in the inner cavity of the fastening groove 5, a groove 7 provided at the bottom of the fastening seat 6, a limit post 8 rotatably connected to the inner cavity of the groove 7, a semi-circular toothed sleeve 9 fixedly connected to the outer ring of the limit post 8, a semi-circular anti-slip sleeve 10 fixedly connected to the bottom of the semi-circular toothed sleeve 9, a fastening toothed plate 11 inclined and slidably provided in the inner cavity of the fastening seat 6, an anti-slip pad 12 fixedly connected to the bottom of the fastening toothed plate 11, a fixing bracket 13 fixedly connected to the top of the connecting sleeve 1, and a fastening bolt 14 rotatably connected to the top of the fastening seat 6.

[0025] Furthermore, the inner ring of the pipe body 3 is pressed and fitted with the outer ring of the connecting sleeve 2, and the outer ring of the pipe body 3 is pressed and fitted with the inner ring of the connecting sleeve 1.

[0026] Furthermore, the fastening bolt 14 and the fastening seat 6 are rotatably connected by a bearing, the fastening bolt 14 passes through the fixing frame 13 and the two are threaded together.

[0027] Furthermore, the fastening toothed plate 11 engages with the semi-circular toothed sleeve 9 on the outer ring of the limiting post 8.

[0028] Furthermore, the installation adjustment mechanism 4 includes a mounting base 401 disposed at the bottom of the connecting sleeve 1. The top of the mounting base 401 is symmetrically and fixedly connected to a fixing sleeve 402. An adjustment plate 403 is slidably disposed in the inner cavity of the fixing sleeve 402. The adjustment plate 403 is fixedly connected to the connecting sleeve 1. The top of the mounting base 401 is provided with a mounting hole 405. One side of the fixing sleeve 402 is penetrated and screwed with a limit bolt 404.

[0029] Furthermore, the top of the mounting base 401 is provided with an adjustment groove 406. The inner cavity of the adjustment groove 406 is symmetrically provided with an adjustment block 407. The inner cavity of the adjustment groove 406 is rotatably connected with a bidirectional screw 408. One end of the bidirectional screw 408 is fixedly connected with a knob 409. The top of the adjustment block 407 is rotatably connected with a connecting plate 4011.

[0030] Furthermore, a fixed base 4010 is fixedly connected to the bottom of the connecting sleeve 1. The fixed base 4010 and the connecting plate 4011 are rotatably connected. The bidirectional screw 408 passes through two adjusting blocks 407 and the two are threaded together. The bidirectional screw 408 passes through the mounting base 401 and the two are rotatably connected by a bearing at their intersection. After the pipe body 3 is connected, the connector can be fixed in the required position through the mounting hole 405 on the mounting base 401. According to the required installation height of the pipe body 3, the bidirectional screw 408 is rotated by the knob 409 in conjunction with the bearing, which in turn drives the adjusting block 407 in the adjusting groove 406 to move towards the center. With the help of the connecting plate 4011 and the fixed base 4010, the connecting sleeve 1 and the pipe body 3 can be moved upward. During the process, the adjusting plate 403 moves out with the connecting sleeve 1 and fixes the sleeve plate 402. Finally, the limiting bolt 404 is tightened to limit the adjusting plate 403, thereby achieving the purpose of height adjustment of this large-diameter pipe connector and improving stability.

[0031] Working principle: When using this large-diameter pipe connector, the pipe body 3 to be connected is inserted into the connecting sleeve 1, and the pipe is initially connected by the squeezing force between the connecting sleeve 1 and the connecting sleeve 2. Then, the fastening bolt 14 on the fixing bracket 13 drives the fastening seat 6 in the fastening groove 5 to move down, so that the semi-circular anti-slip sleeve 10 and anti-slip pad 12 squeeze the pipe to achieve a secondary limiting connection. At the same time, when there is an outward force on the pipe, the semi-circular toothed sleeve 9 on the outer ring of the limiting post 8 in the groove 7 causes the inclined fastening toothed plate 11 to move towards the pipe body 3, thereby squeezing the anti-slip pad 12 at the bottom of the fastening toothed plate 11 with the pipe body 3, thus ensuring the stability of the connection of the pipe body 3 and solving the problem that existing connectors are difficult to connect and limit pipes.

[0032] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0033] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A large diameter pipe connector comprising a coupling sleeve (1), characterised in that: The inner cavity of the connecting sleeve (1) is fixedly connected with a connecting sleeve (2), the outer sleeve of the connecting sleeve (2) is sleeved with a pipeline body (3), the bottom of the connecting sleeve (1) is provided with an installation adjusting mechanism (4), the outer ring of the connecting sleeve (1) is provided with a fastening groove (5), the inner cavity of the fastening groove (5) is provided with a fastening seat (6), the bottom of the fastening seat (6) is provided with a groove (7), the inner cavity of the groove (7) is rotatably connected with a limiting column (8), the outer ring of the limiting column (8) is fixedly connected with a semicircular tooth sleeve (9), the bottom of the semicircular tooth sleeve (9) is fixedly connected with a semicircular anti-skid sleeve (10), the inner cavity of the fastening seat (6) is obliquely and slidably provided with a fastening tooth plate (11), the bottom of the fastening tooth plate (11) is fixedly connected with an anti-skid pad (12), the top of the connecting sleeve (1) is fixedly connected with a fixing frame (13), the top of the fastening seat (6) is rotatably connected with a fastening bolt (14).

2. A large diameter pipe coupling according to claim 1, wherein: The inner ring of the pipeline body (3) is extruded and attached to the outer ring of the connecting sleeve (2), and the outer ring of the pipeline body (3) is extruded and attached to the inner ring of the connecting sleeve (1).

3. A large diameter pipe coupling in accordance with claim 1, wherein: The fastening bolt (14) and the fastening seat (6) are rotatably connected through a bearing, and the fastening bolt (14) penetrates the fixing frame (13) and is threadedly connected therewith.

4. A large diameter pipe coupling in accordance with Claim 1, characterized in that: The fastening tooth plate (11) is engaged with the semicircular tooth sleeve (9) of the outer ring of the limiting column (8).

5. A large diameter pipe coupling in accordance with Claim 1, characterized in that: The installation adjusting mechanism (4) comprises a mounting seat (401) provided at the bottom of the connecting sleeve (1), the top of the mounting seat (401) is symmetrically and fixedly connected with a fixing sleeve plate (402), the inner cavity of the fixing sleeve plate (402) is slidably provided with an adjusting plate (403), the adjusting plate (403) is fixedly connected with the connecting sleeve (1), the top of the mounting seat (401) is provided with a mounting hole (405), and the side of the fixing sleeve plate (402) penetrates and is screwed with a limiting bolt (404).

6. A large diameter pipe coupling according to claim 5, wherein: The top of the mounting seat (401) is provided with an adjusting groove (406), the inner cavity of the adjusting groove (406) is symmetrically and slidably provided with an adjusting block (407), the inner cavity of the adjusting groove (406) is rotatably connected with a bidirectional screw rod (408), one end of the bidirectional screw rod (408) is fixedly connected with a knob (409), and the top of the adjusting block (407) is rotatably connected with a connecting plate (4011).

7. A large diameter pipe coupling according to claim 6, wherein: The bottom of the connecting sleeve (1) is fixedly connected with a fixing seat (4010), the fixing seat (4010) and the connecting plate (4011) are rotatably connected, the bidirectional screw rod (408) penetrates the two adjusting blocks (407) and is threadedly connected therewith, the bidirectional screw rod (408) penetrates the mounting seat (401) and is rotatably connected through a bearing at the intersection thereof.

Citation Information

Patent Citations

  • Large-diameter pipeline connector

    CN220416526U