Valve joint structure for quick connection of pipelines

By working together with components such as sealing rings, pressure rings, locking rings, and bolts, and combining the design of quick-connect mechanism and locking blocks and slots, the problem of poor sealing between cast iron and steel pipes and plastic pipes is solved, achieving a stable connection and quick installation between water pipes and valve bodies.

CN223725561UActive Publication Date: 2025-12-26WEILONG VALVE COMPANY
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Patent Information

Application Number
CN202520471548.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2025-12-26
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

In existing technologies, cast iron and steel pipes cannot be directly connected to plastic pipes, resulting in poor sealing and easy leakage, which affects the progress of the project.

Method used

The system employs components such as sealing rings, pressure rings, locking rings, and bolts to work together to enhance the sealing effect. A quick-connect mechanism enables rapid connection between the water pipe and the valve body. Combined with precise alignment and fine-tuning of the locking blocks and slots, it ensures the stability and flexibility of the connection.

Benefits of technology

It achieves a secure connection between the water pipe and the valve body, prevents leakage, ensures the stable operation of the pipeline system, and improves installation efficiency and the ability to adapt to minor changes in the pipeline system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of quick connectors, and discloses a valve joint structure for quick connection of pipelines, which comprises a valve body and two water pipes, the top of the valve body is communicated with a vertical pipe, the left side and the right side of the outer wall of the valve body are fixedly connected with fastening rings I, the inner walls of the fastening rings I are provided with sealing rings, and the inner walls of the sealing rings I are provided with sealing rings. The outer wall of the sealing ring is attached to the inner wall of the first fastening ring, the outer walls of the two water pipes are fixedly connected with second fastening rings, the inner walls of the two second fastening rings are slidably connected with locking rings, and the adjacent sides of the second fastening rings are in threaded connection with a plurality of bolts. In the utility model, when the water pipe is connected with the valve body, the sealing ring, the pressing ring, the locking ring, the bolt and other parts work cooperatively, so that the sealing effect is enhanced, the water pipe is firmly connected with the valve body, and leakage at the joint is prevented. Meanwhile, through the design of the end cover, the vertical pipe and the valve rod, effective control over flowing of fluid in the pipeline is achieved, and stable operation of the whole pipeline system is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to quick connector technical field especially relates to a pipeline quick connection's valve joint structure. BACKGROUND

[0002] In all kinds of engineering fields related to pipeline transportation, the connection between the pipeline and the valve is a crucial link. The traditional pipeline valve connection methods, such as threaded connection and flange connection, have some shortcomings. Threaded connection requires a lot of time for screwing operation during installation, and has high requirements for installation space, making it very inconvenient to operate in a small space. At the same time, the threads are easily damaged after being disassembled several times, affecting the sealing performance of the connection.

[0003] The prior art uses hot melting to melt the pipeline and connect it together. However, in actual use, there are often cases where one area is a cast iron pipe or a steel pipe, and the other area is a plastic pipe. Cast iron and steel pipes cannot be directly connected with plastic pipes through shut-off valves, causing some inconvenience to construction. However, threaded connections cannot guarantee sealing performance, resulting in poor connection sealing and leakage, which affects the progress of the project. SUMMARY

[0004] To make up for the above shortcomings, the utility model provides a pipeline quick connection valve joint structure, aiming to improve the problem that the existing technology cannot effectively seal and connect plastic pipes and cast iron pipes, resulting in leakage at the connection.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a pipeline quick connection valve joint structure, comprising a valve body and two water pipes, the top of the valve body is connected with a vertical pipe, the outer wall of the valve body is fixedly connected with a fastening ring one on the left and right sides, the inner wall of the fastening ring one is provided with a sealing ring, the outer wall of the sealing ring is matched with the inner wall of the fastening ring one, the outer wall of the two water pipes is fixedly connected with a fastening ring two, the inner wall of the two fastening ring twos is slidably connected with a locking ring, the adjacent side of the fastening ring two is threadedly connected with a plurality of bolts, the adjacent end of the plurality of bolts is respectively threadedly connected with the corresponding fastening ring one, the inner wall of the two locking rings is matched with the corresponding water pipe, the outer wall of the two water pipes is slidably connected with a compression ring, the left and right sides of the compression ring are matched with the sealing ring and the locking ring respectively, the top of the vertical pipe is provided with an end cover, the inner wall of the end cover is slidably connected with a valve stem, the bottom of the valve stem is provided with a quick connection mechanism, the quick connection mechanism is used for quickly connecting the end cover and the vertical pipe.

[0006] Further description of the above technical scheme:

[0007] The quick connecting mechanism comprises a connecting plate fixedly connected to the bottom of the outer wall of the end cover, a plurality of clamping blocks fixedly connected to the periphery of the bottom of the connecting plate, a connecting seat fixedly connected to the top of the vertical pipe, a plurality of clamping grooves formed in the periphery of the top of the connecting seat, and a plurality of arc-shaped grooves formed in the periphery of the inner wall of the connecting seat.

[0008] As a further description of the above technical solution:

[0009] The outer wall of the valve body is provided with an information board, and screws are threadedly connected to the four corners of the outer wall of the information board.

[0010] As a further description of the above technical solution:

[0011] The distal ends of the plurality of bolts are provided with hexagonal holes, and the surfaces of the plurality of hexagonal holes are smooth.

[0012] As a further description of the above technical solution:

[0013] The outer wall of the end cover is fixedly connected with anti-skid blocks, and the surfaces of the plurality of anti-skid blocks are anti-skid treated.

[0014] As a further description of the above technical solution:

[0015] The connecting seat and the adjacent connecting plate are provided with a sealing gasket, and the plurality of connecting plates penetrate through the sealing gasket.

[0016] As a further description of the above technical solution:

[0017] The outer wall of the plurality of fastening rings one and the plurality of fastening rings two are provided with arc-shaped holes, and the inner walls of the plurality of arc-shaped holes are smooth.

[0018] As a further description of the above technical solution:

[0019] The top of the valve rod is fixedly connected with a rotating handle, and the outer wall of the rotating handle is smooth.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1、In the utility model, when the water pipe is connected with the valve body, the sealing ring, the pressing ring, the locking ring and the bolt and other components work cooperatively to strengthen the sealing effect, firmly connect the water pipe and the valve body, prevent leakage at the connection, and the design of the end cover, the vertical pipe and the valve rod realizes effective control of fluid flow in the pipeline, and ensures stable operation of the entire pipeline system.

[0022] 2、The utility model discloses, accurate alignment's card block and card slot, complete preliminary positioning, avoid installation and shake, for subsequent operation builds firm stable foundation, card block along the arc -shaped groove sliding, can fine adjustment relative position, ensure that the best fit of both, improve the connection precision, realize quick connection finally, have stability and flexibility, not only promote installation efficiency, but also can adapt to the small change in the operation of pipeline system. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A kind of valve joint structure of pipeline quick connection for the utility model proposes the perspective view;

[0024] Figure 2 A kind of valve joint structure of pipeline quick connection for the utility model proposes the front view;

[0025] Figure 3 A kind of valve joint structure of pipeline quick connection for the utility model proposes the partial structure split diagram;

[0026] Figure 4 A kind of valve joint structure of pipeline quick connection for the utility model proposes the partial structure sectional view;

[0027] Figure 5 A kind of valve joint structure of pipeline quick connection for the utility model proposes the locking ring schematic view;

[0028] Figure 6 A kind of valve joint structure of pipeline quick connection for the utility model proposes the quick connection mechanism schematic view.

[0029] LEGEND:

[0030] 1, valve body;2, quick connection mechanism;201, connecting plate;202, card block;203, connecting seat;204, card slot;205, arc-shaped groove;3, vertical pipe;4, fastening ring one;5, sealing ring;6, compression ring;7, locking ring;8, fastening ring two;9, bolt;10, water pipe;11, end cover;12, valve stem;13, information board;14, screw;15, hexagonal hole;16, antiskid block;17, sealing gasket;18, arc-shaped hole;19, rotating handle. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] With reference to Figure 1 , Figure 2 and Figure 3The utility model provides a kind of valve joint structure of pipeline quick connection, including valve body 1 and two water pipes 10, the top of valve body 1 is connected with riser 3, valve body 1 is as the core component of entire valve joint structure, play the key role of control and guide fluid flow in pipeline, the outer wall of valve body 1 left and right sides is fixedly connected with fastening ring one 4, fastening ring one 4 provides fixed support structure for the connection of water pipe 10 and valve body 1, guarantee the stability of connection, the inner wall of fastening ring one 4 is provided with sealing ring 5, sealing ring 5 is closely attached in the inner wall of fastening ring one 4, when water pipe 10 is connected with valve body 1, effectively prevent fluid from leakage from connecting place, the outer wall of sealing ring 5 and the inner wall of fastening ring one 4 are attached, further enhance the stability of sealing structure, the outer wall of two water pipes 10 is fixedly connected with fastening ring two 8, fastening ring two 8 is cooperated with fastening ring one 4, is connected by bolt 9, realize the close connection of water pipe 10 and valve body 1, the inner wall of two fastening ring two 8 is slidably connected with locking ring 7, locking ring 7 is slid in the inner wall of fastening ring two 8, in the process of installation, it is convenient to adjust position, to better with water pipe 10 attachment, enhance the sealing property and stability of connection, the adjacent side of fastening ring two 8 is screw-connected with multiple bolts 9, bolt 9 is screw-connected fastening ring two 8 and fastening ring one 4, tightly fix together, the adjacent end of multiple bolts 9 is respectively screw-connected with corresponding fastening ring one 4, ensure the firmness of connection, so that entire connection structure can withstand the pressure of fluid in pipeline, the inner wall of two locking rings 7 is attached with corresponding water pipe 10, further enhance the sealing property between water pipe 10 and fastening ring two 8, prevent fluid from seeping, the outer wall of two water pipes 10 is slidably connected with pressure ring 6, pressure ring 6 is slid between fastening ring one 4 and fastening ring two 8, when bolt 9 is tightened, is extruded by both sides fastening ring, further enhance the sealing effect of sealing ring 5 and locking ring 7 and water pipe 10, the left and right sides of pressure ring 6 are respectively attached with sealing ring 5 and locking ring 7, strengthen the integrity of sealing structure, effectively prevent fluid from leakage from connecting place, the top of riser 3 is provided with end cap 11, end cap 11 is used to close the top opening of riser 3, simultaneously provides the space of installation and sliding for valve rod 12, the inner wall of end cap 11 is slidably connected with valve rod 12, by operating valve rod 12, can control the open-close state of riser 3 and the internal passage of valve body 1, and then adjust the flow of fluid in pipeline, realize the basic function of valve, the bottom of valve rod 12 is provided with quick connection mechanism 2, quick connection mechanism 2 is used to quickly connect end cap 11 and riser 3, ensure the efficiency and stability of connection between end cap 11 and riser 3, the outer wall front side of valve body 1 is provided with information board 13, is used to record the relevant information of valve body 1, it is convenient for operator to quickly understand product information, the outer wall four corners of information board 13 are screw-connected with screw 14, screw 14 is fixed on valve body 1 by screw connection, it is convenient for the installation and dismounting of information board 13, the rear end of multiple screws 14 is screw-connected with valve body 1, guarantee the firmness of information board 13 installation,The distal ends of the plurality of bolts 9 are provided with hexagonal holes 15, which are adapted to a hexagonal wrench, facilitating the tightening or loosening of the bolts 9 by the operator, improving the installation and dismounting efficiency, and the surfaces of the plurality of hexagonal holes 15 are smooth, which can reduce the frictional resistance between the wrench and the hexagonal holes 15, making the operation more smooth, and avoiding the wrench slipping due to the rough surface,

[0033] Specifically, when connecting the water pipe 10 and the valve body 1, the sealing ring 5 is first installed in the inner wall of the fastening ring one 4, which can play a sealing role to prevent water leakage at the connection, and the water pipe 10 with the fastening ring two 8 is aligned with the fastening ring one 4 on the valve body 1, at this time, the compression ring 6 on the outer wall of the water pipe 10 is located between the fastening ring one 4 and the fastening ring two 8, then the locking ring 7 is sleeved on the water pipe 10, and the inner wall thereof is attached to the water pipe 10 and is slid to the appropriate position, then the plurality of bolts 9 are tightened, one end of the bolt 9 is threadedly connected with the fastening ring two 8, and the other end is screwed into the fastening ring one 4, with the tightening of the bolt 9, the fastening ring two 8 and the fastening ring one 4 gradually approach and are fixed together, in this process, the compression ring 6 is pressed by the two fastening rings and is tightly attached to the sealing ring 5 and the locking ring 7, further ensuring the sealing of the connection, and also firmly connecting the water pipe 10 to the valve body 1, the end cover 11 is installed on the top of the vertical pipe 3, the valve rod 12 can slide in the inner wall of the end cover 11, by operating the valve rod 12, the opening and closing state of the vertical pipe 3 and the internal passage of the valve body 1 can be controlled, so as to adjust the flow of the fluid in the pipeline, realizing the basic function of the valve, the information board 13 is threadedly connected with the valve body 1 through the screws 14 at the four corners, facilitating the recording of the information of the valve body 1, and being convenient to install and dismount, the hexagonal holes 15 are provided at one end of the bolt 9, which are adapted to a hexagonal wrench after smooth treatment, facilitating the tightening or loosening of the bolt 9 by the worker, realizing the quick and stable connection operation of the water pipe 10 and the valve body 1.

[0034] Reference Figure 1 , Figure 2 and Figure 6The quick connecting mechanism 2 comprises a connecting plate 201 fixedly connected to the bottom of the outer wall of the end cover 11, and the bottom of the connecting plate 201 is fixedly connected with a clamping block 202 around the periphery, the clamping block 202 is matched with a clamping groove 204 on the connecting seat 203, and the preliminary positioning of the end cover 11 and the stand pipe 3 is realized. The top of the stand pipe 3 is fixedly connected with the connecting seat 203, the top of the connecting seat 203 is provided with the clamping groove 204 around the periphery, the inner wall of the connecting seat 203 is provided with an arc-shaped groove 205 around the periphery, a plurality of connecting seats 203 are respectively clamped with corresponding clamping grooves 204, so that the end cover 11 and the stand pipe 3 are prevented from being greatly deviated during the connecting process, and a plurality of connecting seats 203 are respectively connected with corresponding arc-shaped grooves 205 in a sliding mode, so that the fine adjustment during the connecting process is possible. The connecting seat 203 and the connecting plate 201 are provided with a sealing gasket 17 between the adjacent connecting seat 203 and the connecting plate 201, the sealing gasket 17 is located between the connecting seat 203 and the connecting plate 201, can effectively fill the gap between the two, prevent the fluid from leaking from the connecting part of the end cover 11 and the stand pipe 3, and enhance the sealing performance of the connecting part. A plurality of connecting plates 201 penetrate the sealing gasket 17;

[0035] Specifically, when the connecting operation is performed, since the connecting plate 201 is fixed to the bottom of the outer wall of the end cover 11, when the end cover 11 is aligned with the top of the stand pipe 3, the clamping block 202 around the bottom of the connecting plate 201 can accurately correspond to the clamping groove 204 provided around the top of the connecting seat 203, and the clamping block 202 is embedded in the clamping groove 204. This action realizes the preliminary positioning, so that the position of the end cover 11 and the stand pipe 3 is relatively fixed, and is prevented from being shaken at will. Then, the end cover 11 is slightly rotated to drive the connecting plate 201 to rotate synchronously, at this time, the clamping block 202 slides along the arc-shaped groove 205 around the inner wall of the connecting seat 203. This sliding connection mode not only further adjusts the relative position of the end cover 11 and the stand pipe 3, but also ensures that the two are better matched, and after the connection is completed, a certain rotating flexibility is provided for the entire connecting structure to adapt to the possible small angle adjustment requirement, so that the stable and flexible quick connection of the end cover 11 and the stand pipe 3 is finally realized. The sealing gasket 17 is arranged at the adjacent position of the connecting seat 203 and the connecting plate 201, the connecting plate 201 penetrates the sealing gasket 17, and during installation, the sealing gasket 17 is deformed by extrusion to fill the gap and prevent the fluid from leaking from the connecting part of the two.

[0036] Referring to Figure 1 , Figure 4 and Figure 5The outer wall of the end cover 11 is fixedly connected with anti-skid blocks 16, the surfaces of the anti-skid blocks 16 are anti-skid treated, the anti-skid blocks 16 are treated by anti-skid treatment, when the operator needs to disassemble or install the end cover 11, the friction between the hands and the end cover 11 is increased, the hands are conveniently gripped and forced, and hand slipping is prevented; the outer wall of each of the plurality of fastening rings one 4 and the plurality of fastening rings two 8 is provided with an arc-shaped hole 18, the inner wall of each of the plurality of arc-shaped holes 18 is smoothly treated, the fastening ring one 4 and the fastening ring two 8 are conveniently lifted, the top of the valve stem 12 is fixedly connected with a rotating handle 19, the outer wall of the rotating handle 19 is smoothly treated, when the operator rotates the handle 19 to control the opening and closing of the valve, the hands are prevented from being scratched, and the rotating operation is more comfortable and smooth;

[0037] Specifically, the anti-skid blocks 16 on the outer wall of the end cover 11 are treated by anti-skid treatment, when the operator needs to disassemble or install the end cover 11, the friction between the hands and the end cover 11 is increased, the hands are conveniently gripped and forced, and hand slipping is prevented, the inner wall of the arc-shaped hole 18 on the outer wall of each of the fastening ring one 4 and the fastening ring two 8 is smooth, the fastening ring one 4 and the fastening ring two 8 are conveniently lifted, and the outer wall of the rotating handle 19 on the top of the valve stem 12 is smooth, when the operator rotates the handle 19 to control the opening and closing of the valve, the hands are prevented from being scratched, and the rotating operation is more comfortable and smooth.

[0038] Working principle: when the water pipe 10 is connected with the valve body 1, the sealing ring 5 is first installed on the inner wall of the fastening ring one 4, the foundation for sealing is laid, one end of the water pipe 10 with the fastening ring two 8 is aligned with the fastening ring one 4 of the valve body 1, at this time, the pressing ring 6 is between the two, then the locking ring 7 is sleeved and slid to the appropriate position, and then the bolt 9 is used to connect the fastening ring two 8 and the fastening ring one 4, as the bolt 9 is tightened, the two fastening rings are close to the fixed, the pressing ring 6 is extruded, and is tightly attached to the sealing ring 5 and the locking ring 7, the sealing effect is strengthened, the water pipe 10 and the valve body 1 are firmly connected, the end cover 11 is installed on the top of the vertical pipe 3, the valve stem 12 can slide on the inner wall of the end cover 11, by operating the valve stem 12, the opening and closing state of the internal passage of the vertical pipe 3 and the valve body 1 can be changed, the fluid flow in the pipeline is adjusted, and the basic function of the valve to control the fluid is achieved;

[0039] Furthermore, the end cover 11 is connected with the vertical pipe 3, the connecting plate 201 is fixed to the outer wall of the bottom of the end cover 11, the bottom clamping block 202 can be accurately aligned with the top clamping groove 204 of the connecting seat 203, the clamping block 202 is embedded in the clamping groove 204, the preliminary positioning is completed, the relative position of the end cover 11 and the vertical pipe 3 is fixed, the shaking in the installation process is avoided, a stable foundation is provided for subsequent operation, then the end cover 11 is slightly rotated, the connecting plate 201 is synchronously rotated, at this time, the clamping block 202 slides along the arc-shaped groove 205 in the inner wall of the connecting seat 203, the relative position of the end cover 11 and the vertical pipe 3 is further adjusted, the best fitting state of the two is ensured, and the connection accuracy is improved; finally, the end cover 11 and the vertical pipe 3 are stably and flexibly and quickly connected.

[0040] It should be pointed out finally that: the above only for the preferred embodiments of the utility model have, and do not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A valve joint structure for quick pipe connection, comprising a valve body (1) and two water pipes (10), characterized in that: The top of the valve body (1) is connected to a riser pipe (3). Fastening rings (4) are fixedly connected to the left and right sides of the outer wall of the valve body (1). A sealing ring (5) is provided on the inner wall of the fastening ring (4). The outer wall of the sealing ring (5) fits against the inner wall of the fastening ring (4). Fastening rings (8) are fixedly connected to the outer walls of both water pipes (10). Locking rings (7) are slidably connected to the inner walls of both fastening rings (8). Multiple bolts (9) are threaded onto adjacent sides of each fastening ring (8). The adjacent ends of the multiple bolts (9) are respectively connected to the corresponding... The fastening ring (4) is threaded, and the inner walls of the two locking rings (7) are in contact with the corresponding water pipes (10). The outer walls of the two water pipes (10) are slidably connected with pressure rings (6). The left and right sides of the pressure rings (6) are in contact with the sealing rings (5) and the locking rings (7) respectively. The top of the riser (3) is provided with an end cap (11). The inner wall of the end cap (11) is slidably connected with a valve stem (12). The bottom of the valve stem (12) is provided with a quick-connect mechanism (2). The quick-connect mechanism (2) is used to quickly connect the end cap (11) and the riser (3).

2. The valve joint structure for quick pipe connection according to claim 1, characterized in that: The quick-connect mechanism (2) includes a connecting plate (201), which is fixedly connected to the bottom of the outer wall of the end cap (11). The bottom of the connecting plate (201) is fixedly connected with a locking block (202) around its perimeter. The top of the riser (3) is fixedly connected with a connecting seat (203). The top of the connecting seat (203) is provided with a locking groove (204) around its perimeter. The inner wall of the connecting seat (203) is provided with an arc-shaped groove (205) around its perimeter. Multiple connecting seats (203) engage with the corresponding locking groove (204) respectively, and multiple connecting seats (203) slide with the corresponding arc-shaped groove (205) respectively.

3. The valve joint structure for quick pipe connection according to claim 1, characterized in that: An information plate (13) is provided on the front side of the outer wall of the valve body (1). Screws (14) are threaded to the four corners of the outer wall of the information plate (13). The rear ends of the screws (14) are threaded to the valve body (1).

4. The valve joint structure for quick pipe connection according to claim 1, characterized in that: Each of the bolts (9) has a hexagonal hole (15) at one of its far ends, and the surface of each of the hexagonal holes (15) is smoothed.

5. The valve joint structure for quick pipe connection according to claim 1, characterized in that: Anti-slip blocks (16) are fixedly connected to the outer wall of the end cap (11) around the perimeter, and the surfaces of the multiple anti-slip blocks (16) are treated with anti-slip treatment.

6. The valve joint structure for quick pipe connection according to claim 2, characterized in that: A sealing gasket (17) is provided between the adjacent connecting seat (203) and the connecting plate (201), and multiple connecting plates (201) pass through the sealing gasket (17).

7. The valve joint structure for quick pipe connection according to claim 1, characterized in that: The outer walls of the multiple fastening rings one (4) and the multiple fastening rings two (8) are provided with arc-shaped holes (18), and the inner walls of the multiple arc-shaped holes (18) are all smoothed.

8. The valve joint structure for quick pipe connection according to claim 1, characterized in that: The valve stem (12) is fixedly connected to a rotating handle (19) on its top, and the outer walls of the rotating handle (19) are all rounded.