Sealing connection device for water supply and drainage pipeline
The double sealing structure and pressure relief system solve the problem of water seepage in water supply and drainage pipes under high water pressure, achieving a stable water supply effect.
Patent Information
- Application Number
- CN202422968921.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-12-03
AI Technical Summary
In the prior art, single-layer seal failure of water supply and drainage pipes is prone to occur under high water pressure, causing water to leak from the joints and affecting the water supply quality.
It adopts a double sealing structure, with the first sealing achieved by the combination of sealing rings and sealing gaskets, and the second sealing achieved by the extrusion of the connector. It is also equipped with an audible and visual alarm and a pressure relief system to automatically relieve pressure under high pressure.
It achieves double sealing under high water pressure to avoid water seepage, and releases pressure in time when the pressure is too high to prevent pipe bursting and ensure water supply stability.
Smart Images
Figure CN223399436U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of water supply and drainage pipes, in particular to a sealing connection device for water supply and drainage pipes. Background Art
[0002] The water supply and drainage pipeline system is an important part of urban infrastructure. It is responsible for delivering clean drinking water to users and collecting domestic sewage and industrial wastewater and transporting them to sewage treatment plants for treatment. It is crucial to ensuring public health, environmental protection and ensuring residents' domestic water supply.
[0003] The patent with authorization announcement number CN219345766U discloses a municipal water supply and drainage pipe connection structure with good sealing performance, including a first drain pipe and a second drain pipe. A connecting device is provided on the surface of the first drain pipe, and the connecting device includes a first connecting block, a first docking rod, a first magnet, a first docking ring seat, a magnetic block, a placement seat, a second docking ring seat, a second connecting block, a second docking rod and a second magnet; the patent proposes to hold the first drain pipe and rotate it ninety degrees so that the first magnet and the magnetic block are adsorbed together to achieve the purpose of convenient installation and disassembly, and the water supply and drainage pipe is sealed by the docking plug ring and the docking sealing seat. However, this patent still has some problems during use. After the docking plug ring is inserted into the docking sealing seat, it can only form a single-layer seal for the water supply and drainage pipe. When the water pressure inside the water supply and drainage pipe is too high, it is easy for water to seep out from the connection between the docking plug ring and the docking sealing seat, thereby affecting the water supply of the water supply and drainage pipe.
[0004] Therefore, it is necessary to design a water supply and drainage pipe sealing connection device capable of performing double sealing. Utility Model Content
[0005] In order to overcome the shortcomings of the existing patent that the butt plug ring can only form a single-layer seal for the water supply and drainage pipe after being inserted into the butt sealing seat, and when the water pressure inside the water supply and drainage pipe is too high, water is likely to seep out from the connection between the butt plug ring and the butt sealing seat, thereby affecting the water supply of the water supply and drainage pipe, the utility model provides a water supply and drainage pipe sealing connection device capable of double sealing.
[0006] The technical solution of the present utility model is: a sealing connection device for water supply and drainage pipes, including a transfer pipe, a conduit, a connecting sleeve, a connecting head, a sealing ring and a sealing gasket, external threads are provided at both ends of the transfer pipe, connecting sleeves are provided at both ends of the transfer pipe, internal threads are provided at both ends of the connecting sleeve, connecting heads are threadedly provided at both ends of the connecting sleeve, sealing rings are slidingly provided at both ends of the connecting sleeve, the transfer pipe passes through the connecting head and is threadedly connected to the sealing ring, there are two conduits, and the ends of the conduits close to the transfer pipe are provided with external threads, the conduits pass through the connecting head away from the transfer pipe and are threadedly connected to the sealing gasket.
[0007] In one embodiment, it also includes a mounting seat, a sleeve, a block, a sliding rod, a piston pad, a first elastic member, an audible and visual alarm, a mounting rod, a contact piece and a contact rod. The mounting seat is fixedly connected to the inside of the transfer pipe, the mounting seat is installed with a sleeve, the block is fixedly connected to the sleeve, a sliding rod is slidably provided on the block, a piston pad is installed on the upper end of the sliding rod, the piston pad is slidably connected to the sleeve, a first elastic member is connected between the piston pad and the block, an audible and visual alarm is embedded in the middle of the transfer pipe, a mounting rod that passes through the transfer pipe is installed on one side of the audible and visual alarm, a contact piece is installed on the end of the mounting rod located inside the transfer pipe, a contact rod is installed on the end of the sliding rod close to the mounting rod, and the contact rod moves downward to contact the contact piece.
[0008] In one embodiment, it also includes a pressure relief pipe, a limiting ring, a mounting frame, a guide rod, a piston rod and a second elastic member. One side of the transfer pipe is connected to and communicated with the pressure relief pipe. The end of the pressure relief pipe close to the transfer pipe is fixedly connected to the limiting ring, and the end of the pressure relief pipe away from the transfer pipe is fixedly connected to the mounting frame. A guide rod is slidably provided on the mounting frame, and the end of the guide rod close to the transfer pipe is fixedly connected to the piston rod. The piston rod is slidably connected to the limiting ring, and a second elastic member is connected between the piston rod and the mounting frame.
[0009] In one embodiment, a rubber ring is further included, and the rubber ring is embedded in the piston rod.
[0010] In one embodiment, a rotary joint and a drain pipe are further included. A rotary joint is rotatably provided at one end of the pressure relief pipe away from the transfer pipe. An internal thread is provided at the inner side of the rotary joint away from the transfer pipe, and a drain pipe is threadedly provided on the rotary joint.
[0011] In one embodiment, an inclined surface is provided at one end of the piston rod close to the transfer pipe.
[0012] Beneficial effects: 1. By rotating the connector, the sealing ring fills the gap between the transfer pipe and the connecting sleeve, realizing the first seal of the transfer pipe and the connecting sleeve. The connector squeezes the sealing gasket, so that the sealing gasket fills the gap between the connector and the connecting sleeve, realizing double sealing of the water supply and drainage pipes, which can effectively prevent water seepage during water supply.
[0013] 2. When the water pressure in the transfer pipe is too high, the water pressure pushes the piston pad to drive the sliding rod to slide downward, causing the contact rod to move downward and contact the contact piece, thereby triggering the sound and light alarm. The sound and light alarm starts to emit sound and produce flashing lights to remind relevant personnel that the water pressure in the water supply and drainage pipe is too high so that pressure relief measures can be taken to avoid the water supply and drainage pipe from bursting.
[0014] 3. When the water pressure in the transfer pipe is too high, the water pressure pushes the inclined surface on the piston rod to slide to the outside of the limit ring, and the water in the transfer pipe flows outward through the gap between the piston rod and the limit ring, thereby automatically relieving the pressure of the transfer pipe and preventing the water supply and drainage pipe from bursting when the water pressure is too high. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the new device.
[0016] Figure 2 It is a schematic diagram of the three-dimensional cross-sectional structure of the transfer pipe, connecting sleeve and pressure relief pipe of the utility model.
[0017] Figure 3 This is an exploded view of the catheter, connector and sealing ring of the utility model.
[0018] Figure 4 It is a schematic diagram of the three-dimensional cross-sectional structure of the transfer pipe, mounting seat and sleeve of the utility model.
[0019] Figure 5 It is a three-dimensional cross-sectional structural diagram of the sleeve, piston pad and sound and light alarm of the utility model.
[0020] Figure 6 It is a schematic diagram of the three-dimensional cross-sectional structure of the transfer pipe, pressure relief pipe and piston rod of the utility model.
[0021] Figure 7 It is a schematic diagram of the three-dimensional cross-sectional structure of the rotary joint, pressure relief pipe and piston rod of the utility model.
[0022] Marked in the figure: 1-transfer pipe, 2-conduit, 3-connecting sleeve, 4-connector, 5-sealing ring, 6-sealing gasket, 7-mounting seat, 8-sleeve, 9-stopper, 10-sliding rod, 11-piston pad, 1101-first elastic member, 12-sound and light alarm, 13-mounting rod, 14-contact piece, 15-contact rod, 16-rotating joint, 17-pressure relief pipe, 18-limiting ring, 19-mounting frame, 20-guide rod, 21-piston rod, 22-second elastic member, 23-rubber ring, 24-drain pipe. DETAILED DESCRIPTION
[0023] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings.
[0024] Example 1: A sealing connection device for water supply and drainage pipes, see Figures 1-4As shown, it includes a transit pipe 1, a conduit 2, a connecting sleeve 3, a connecting head 4, a sealing ring 5 and a sealing gasket 6. External threads are provided at both ends of the transit pipe 1. Connecting sleeves 3 are provided at both upper and lower ends of the transit pipe 1. Internal threads are provided at both upper and lower ends of the connecting sleeve 3. Connecting heads 4 are threadedly provided at both ends of the connecting sleeve 3. Sealing rings 5 are slidingly provided at both ends of the connecting sleeve 3. The sealing rings 5 are made of rubber and have good deformation ability and air tightness. The transit pipe 1 is threadedly connected to the sealing ring 5 through the connecting head 4. There are two conduits 2, and the ends of the conduits 2 close to the transit pipe 1 are provided with external threads. The conduits 2 are threadedly connected to the sealing gasket 6 through the connecting head 4 away from the transit pipe 1.
[0025] When it is necessary to connect the water supply and drainage pipes 24, first put the two connectors 4 into the upper and lower ends of the transfer pipe 1 respectively, and then put the two sealing gaskets 6 into the upper and lower ends of the transfer pipe 1 respectively, so that the sealing gasket 6 is located outside the connector 4, and then screw the two sealing rings 5 into the upper and lower ends of the transfer pipe 1, and then put the two connecting sleeves 3 on the two ends of the transfer pipe 1 respectively, rotate the connector 4, so that the connector 4 is screwed into the connecting sleeve 3, and the connector 4 presses the sealing ring 5 so that the sealing ring 5 fills the gap between the transfer pipe 1 and the connecting sleeve 3, thereby achieving the first sealing of the transfer pipe 1 and the connecting sleeve 3. When the external thread of the connector 4 is completely screwed into the connecting sleeve 3, the connector 4 squeezes the sealing gasket 6 so that the sealing gasket 6 fills the gap between the connector 4 and the connecting sleeve 3. By repeating the above operation, the conduit 2 is installed at the end of the connecting sleeve 3 away from the transfer pipe 1, thereby achieving double sealing of the water supply and drainage pipes 24, which can effectively prevent water seepage during water supply.
[0026] Example 2: Based on Example 1, refer to Figure 4 and Figure 5 As shown, it also includes a mounting seat 7, a sleeve 8, a stopper 9, a sliding rod 10, a piston pad 11, a first elastic member 1101, an audible and visual alarm 12, a mounting rod 13, a contact piece 14 and a contact rod 15. The interior of the transfer pipe 1 is fixedly connected to the mounting seat 7 by welding, the sleeve 8 is installed on the mounting seat 7 by bolt connection, the stopper 9 is fixed inside the sleeve 8 by welding, the sliding rod 10 is slidably provided on the stopper 9, the piston pad 11 is installed on the upper end of the sliding rod 10, the piston pad 11 is slidably connected to the sleeve 8, and the piston pad 11 is connected to the sleeve 8 by sliding. A first elastic member 1101 is connected between the stop block 9, and the first elastic member 1101 is sleeved on the sliding rod 10. A sound and light alarm 12 is embedded in the middle of the transfer pipe 1, and a mounting rod 13 that passes through the transfer pipe 1 is installed on the front side of the sound and light alarm 12 by means of bolt connection. A contact piece 14 is installed at one end of the mounting rod 13 located inside the transfer pipe 1, and the contact piece 14 is connected to the signal of the sound and light alarm 12. A contact rod 15 is installed at the lower end of the sliding rod 10 by means of bolt connection, and the contact rod 15 moves downward to contact with the contact piece 14.
[0027] When water flows between the transfer pipe 1 and the conduit 2, when the water pressure in the transfer pipe 1 is too high, the water pressure pushes the piston pad 11 to slide downward, and the piston pad 11 drives the sliding rod 10 to slide downward. The piston pad 11 slides downward to squeeze the first elastic member 1101 to deform, and the sliding rod 10 slides downward to drive the contact rod 15 to move downward and contact the contact piece 14, thereby triggering the sound and light alarm 12. The sound and light alarm 12 starts to emit sound and generate flashing lights to remind relevant personnel that the water pressure in the water supply and drainage pipe 24 is too high, so that pressure relief measures can be taken to avoid the water supply and drainage pipe 24 from bursting.
[0028] See Figure 6 and Figure 7 As shown, it also includes a pressure relief pipe 17, a limiting ring 18, a mounting bracket 19, a guide rod 20, a piston rod 21 and a second elastic member 22. The front side of the transfer pipe 1 is connected and communicated with the pressure relief pipe 17. The rear end of the pressure relief pipe 17 is fixedly connected to the limiting ring 18 by welding. The front end of the pressure relief pipe 17 is fixedly connected to the mounting bracket 19. A guide rod 20 is slidably provided on the mounting bracket 19. The rear end of the guide rod 20 is fixedly connected to the piston rod 21. The piston rod 21 is provided with an inclined surface near the rear end to increase the contact area between the piston rod 21 and the water, which is convenient for pushing the piston rod 21 to slide. The piston rod 21 is slidably connected to the limiting ring 18. A rubber ring 23 is embedded on the piston rod 21. The rubber ring 23 is used to fill the gap between the piston rod 21 and the limiting ring 18 to enhance the air tightness between the piston rod 21 and the limiting ring 18. A second elastic member 22 is connected between the piston rod 21 and the mounting bracket 19, and the second elastic member 22 is sleeved on the guide rod 20.
[0029] When the water pressure in the transfer pipe 1 is too high, the water pressure pushes the piston rod 21 to drive the guide rod 20 to move to the right, and the piston rod 21 squeezes the second elastic member 22 to deform. When the inclined surface on the piston rod 21 slides to the outside of the limit ring 18, the water in the transfer pipe 1 flows outward through the gap between the piston rod 21 and the limit ring 18, and is then discharged through the pressure relief pipe 17, thereby automatically relieving the pressure of the transfer pipe 1 and avoiding the bursting of the water supply and drainage pipe 24 when the water pressure is too high.
[0030] See Figure 6 and Figure 7 As shown, it also includes a rotary joint 16 and a drain pipe 24. The front end of the pressure relief pipe 17 is rotatably provided with a rotary joint 16, the front end of the rotary joint 16 is provided with an internal thread, and the rotary joint 16 is threadedly provided with a drain pipe 24. The drain pipe 24 can be used to drain and collect water discharged during pressure relief to prevent water from spraying out during pressure relief.
[0031] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.
Claims
1. A sealing connection device for water supply and drainage pipes, characterized by: The invention comprises a transfer pipe (1), a conduit (2), a connecting sleeve (3), a connecting head (4), a sealing ring (5) and a sealing gasket (6). Both ends of the transfer pipe (1) are provided with external threads. Both ends of the transfer pipe (1) are provided with connecting sleeves (3). Both ends of the connecting sleeve (3) are provided with internal threads. Both ends of the connecting sleeve (3) are provided with connecting heads (4) in a threaded manner. Both ends of the connecting sleeve (3) are provided with sealing rings (5) in a sliding manner. The transfer pipe (1) passes through the connecting head (4) and is threadedly connected to the sealing ring (5). There are two conduits (2), and the ends of the conduits (2) close to the transfer pipe (1) are provided with external threads. The conduits (2) pass through the connecting head (4) away from the transfer pipe (1) and are threadedly connected to the sealing gasket (6).
2. A water supply and drainage pipe sealing connection device according to claim 1, characterized in that: The invention also includes a mounting seat (7), a sleeve (8), a stopper (9), a sliding rod (10), a piston pad (11), a first elastic member (1101), an audible and visual alarm (12), a mounting rod (13), a contact piece (14) and a contact rod (15). The mounting seat (7) is fixedly connected to the interior of the transfer pipe (1), the sleeve (8) is installed on the mounting seat (7), the stopper (9) is fixedly connected to the sleeve (8), the sliding rod (10) is slidably provided on the stopper (9), the piston pad (11) is installed on the upper end of the sliding rod (10), and the piston pad (11) is fixed to the piston pad (11). The transfer pipe (1) is connected to the sleeve (8) in a sliding manner. A first elastic member (1101) is connected between the piston pad (11) and the stopper (9). A sound and light alarm (12) is embedded in the middle of the transfer pipe (1). A mounting rod (13) that passes through the transfer pipe (1) is mounted on one side of the sound and light alarm (12). A contact rod (15) is mounted on one end of the mounting rod (13) located inside the transfer pipe (1). A contact piece (14) is mounted on one end of the sliding rod (10) close to the mounting rod (13). The contact rod (15) moves downward to contact the contact piece (14).
3. A water supply and drainage pipe sealing connection device according to claim 2, characterized in that: The invention also includes a pressure relief pipe (17), a limiting ring (18), a mounting frame (19), a guide rod (20), a piston rod (21) and a second elastic member (22). One side of the transfer pipe (1) is connected to and communicated with the pressure relief pipe (17). The end of the pressure relief pipe (17) close to the transfer pipe (1) is fixedly connected to the limiting ring (18). The end of the pressure relief pipe (17) away from the transfer pipe (1) is fixedly connected to the mounting frame (19). The mounting frame (19) is slidably provided with a guide rod (20). The end of the guide rod (20) close to the transfer pipe (1) is fixedly connected to the piston rod (21). The piston rod (21) is slidably connected to the limiting ring (18). The second elastic member (22) is connected between the piston rod (21) and the mounting frame (19).
4. A sealing connection device for water supply and drainage pipes according to claim 3, characterized in that: It also includes a rubber ring (23), and the rubber ring (23) is embedded and installed on the piston rod (21).
5. A sealing connection device for water supply and drainage pipes according to claim 4, characterized in that: The device further comprises a rotary joint (16) and a drain pipe (24); the end of the pressure relief pipe (17) away from the transfer pipe (1) is rotatably provided with the rotary joint (16); the end of the inner side of the rotary joint (16) away from the transfer pipe (1) is provided with an internal thread; and the drain pipe (24) is threadedly provided on the rotary joint (16).
6. A sealing connection device for water supply and drainage pipes according to claim 5, characterized in that: An inclined surface is provided at one end of the piston rod (21) close to the transfer pipe (1).