CN219828107U

CN219828107U - Backflow preventing structure for water supply and drainage

Info

Publication number: CN219828107U
Application number: CN202223337934.3U
Authority: CN
Inventors: 房芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-10-13
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a water supply and drainage backflow prevention structure, which comprises a pipeline, wherein two ends of the pipeline are respectively and fixedly connected with mounting rings, a plurality of groups of mounting holes are respectively formed in the two groups of mounting rings, round pipes are respectively and fixedly arranged on the upper side and the lower side of the pipeline, a fixing ring is fixedly connected with the lower end of one group of the lower sides of the two groups of round pipes, a plurality of groups of connecting holes are formed in the fixing ring, a drainage mechanism is arranged in the two groups of round pipes, a check mechanism is arranged in one side of the pipeline, and the drainage mechanism comprises mounting grooves arranged in one group of round pipes on the upper side. According to the water supply and drainage backflow prevention structure, the pull ring is pulled upwards to drive the first conical plug and the first sealing ring to be pulled up, the inner space of the first triangular ring is opened, sewage can directly flow out, and therefore the purpose of draining sewage reserved in the pipeline is achieved.

Description

Backflow preventing structure for water supply and drainage

Technical Field

The utility model relates to the technical field of backflow prevention of drainage, in particular to a backflow prevention structure for water supply and drainage.

Background

Water supply and drainage generally refers to municipal water supply systems and drainage systems (municipal water supply and drainage and building water supply and drainage), and is abbreviated as water supply and drainage. When the drainage pipeline in life is blocked, the phenomenon of sewage backflow is easy to occur, especially the problem of backflow is easy to occur when industrial wastewater and domestic sewage are discharged, secondary pollution is easy to occur, a plurality of adverse effects are also caused on the whole water supply and drainage system, and in addition, the existing backflow prevention device is mostly matched with the use of a spring, so that drainage is realized.

For example, the patent number is: the drainage device of the backflow preventer of CN202020118384.8 discloses a drainage device of the backflow preventer, which comprises a shell, wherein a water inlet and a water outlet are vertically formed in the shell, a water inlet pipe and a water outlet pipe are respectively connected to the water inlet and the water outlet, a non-return device is arranged in the shell, and the non-return device comprises a piston and a thrust spring; the pressure bin is arranged at the joint of the water inlet and the water outlet, the piston is arranged in the pressure bin in a sliding manner, the thrust spring is arranged between the piston and the bottom of the pressure bin, and the piston is abutted against the water inlet. The device has simple structure and strong practicability; the pressure at the two ends of the piston is the same through the pressure release pipeline, so that the piston is further greatly convenient to open, and the forward transmission of water flow is further realized; because the water inlet and the water outlet are vertically arranged, when the water flow pressure in the water outlet acts on the side wall of the piston, the piston cannot be further pushed to move, and further, the backflow of water flow is effectively prevented.

However, this device has some drawbacks: after the water flow impacts the piston, the piston is pushed to compress the thrust spring, the water outlet is opened to facilitate the water flow, but after the water flow of the thrust spring weakens, the compressed thrust spring has certain pressure, so that a small amount of water is necessarily pushed to remain in the water inlet during rebound, and a small amount of water source remains in the water inlet during each water drainage.

Disclosure of Invention

The utility model mainly aims to provide a water supply and drainage backflow prevention structure which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a water supply and drainage prevents backflow structure, includes the pipeline, the both ends of pipeline are fixedly connected with collar respectively, two sets of a plurality of groups of mounting holes have been seted up on the collar respectively, the upside of pipeline is fixedly provided with pipe respectively, two sets of downside a set of lower extreme fixedly connected with solid fixed ring in the pipe, a plurality of groups of connecting hole have been seted up on the solid fixed ring, two sets of internally mounted of pipe has drainage mechanism, one side internally mounted of pipeline has check mechanism, drainage mechanism is including setting up the inside mounting groove of a set of pipe in upside, two sets of the inside activity of pipe is provided with the control lever, the outside of control lever is close to the inboard bottom position fixedly connected with disk of mounting groove, fixedly connected with first spring between the upside inner wall of disk and mounting groove, the upper end fixedly connected with pull ring of control lever.

Preferably, a first triangular ring is fixedly connected to one group of inner walls of the lower sides of the two groups of circular tubes, a first conical plug is fixedly connected to the lower end of the circular disc, and a first sealing ring is fixedly connected to the outer side of the first conical plug.

Preferably, the pipeline, the two groups of mounting rings and the circular pipes are in an integrated structure, and a group of openings on the upper sides of the two groups of circular pipes are in sealing arrangement.

Preferably, the control rod penetrates through the inner part of the upper group of round pipes, and the circular plate and the mounting groove are arranged in a sliding mode.

Preferably, the first conical plug is arranged in a conical manner, and the first conical plug is matched with the first triangular ring.

Preferably, the non-return mechanism comprises a second triangular ring fixedly connected to the inner wall of one side of the pipeline, four groups of fixing plates are fixedly connected to the inner side of the second triangular ring, round blocks are fixedly arranged between the four groups of fixing plates, and connecting grooves are formed in the round blocks.

Preferably, a movable block is movably arranged on one side of the connecting groove, a second spring is fixedly connected between the movable block and the inner wall of one side of the connecting groove, a second conical plug is fixedly connected to the other end of the movable block, and a second sealing ring is fixedly connected to the outer side of the second conical plug.

Preferably, the four groups of fixing sheets uniformly surround the outer side of the round block, and the fixing sheets and the round block form an integral structure.

Preferably, one side of the movable block is restricted to slide inside the connection groove.

Preferably, the second conical plug is arranged in a conical manner, and the second conical plug is matched with the second triangular ring.

Compared with the prior art, the utility model has the following beneficial effects:

1. the first conical plug and the first sealing ring are driven to be pulled up by pulling up the pull ring upwards, the inner space of the first triangular ring is opened, and sewage can directly flow out, so that the purpose of discharging the sewage reserved in the pipeline is achieved.

2. The impact force generated by water flow pushes the second conical plug to compress the connecting groove, the space of the second triangular ring is opened to drain, and when the water flows back, the compressed second spring rebounds and the impact force of the flowing back water causes the second conical plug to plug the second triangular ring, so that secondary pollution caused by sewage backflow is prevented, and a pipeline system is influenced.

Drawings

FIG. 1 is a schematic view of the overall structure of a backflow prevention structure for water supply and drainage according to the present utility model;

FIG. 2 is a schematic view showing the internal structure of a backflow preventing structure for water supply and drainage according to the present utility model;

FIG. 3 is an enlarged schematic view of the portion A of the structure for preventing backflow of water supply and drainage according to the present utility model;

FIG. 4 is a schematic view showing a partial structure of a check mechanism of a water supply and drainage backflow preventing structure of the present utility model;

fig. 5 is a partially cut-away schematic view of a check mechanism of a backflow prevention structure for water supply and drainage according to the present utility model.

In the figure: 1. a pipe; 2. a mounting ring; 3. a mounting hole; 4. a round tube; 5. a fixing ring; 6. a connection hole; 7. a drainage mechanism; 71. a mounting groove; 72. a control lever; 73. a wafer; 74. a first spring; 75. a pull ring; 76. a first triangular ring; 77. a first conical plug; 78. a first seal ring; 8. a non-return mechanism; 81. a second triangular ring; 82. a fixing piece; 83. round blocks; 84. a connecting groove; 85. a movable block; 86. a second spring; 87. a second conical plug; 88. and a second seal ring.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-5, a water supply and drainage backflow preventing structure comprises a pipeline 1, wherein two ends of the pipeline 1 are fixedly connected with mounting rings 2 respectively, a plurality of groups of mounting holes 3 are formed in the two groups of mounting rings 2 respectively, round tubes 4 are fixedly arranged on the upper side and the lower side of the pipeline 1 respectively, a fixed ring 5 is fixedly connected with the lower end of one group of the two groups of round tubes 4, a plurality of groups of connecting holes 6 are formed in the fixed ring 5, a drainage mechanism 7 is arranged in the two groups of round tubes 4, a check mechanism 8 is arranged in one side of the pipeline 1, the drainage mechanism 7 comprises a mounting groove 71 arranged in the upper side of one group of round tubes 4, a control rod 72 is movably arranged in the two groups of round tubes 4, a round disc 73 is fixedly connected to the inner bottom position of the outside of the control rod 72, a round disc 73 is fixedly connected with the upper inner wall of the mounting groove 71, a first spring 74 is fixedly connected to the upper end of the control rod 72, a first triangular ring 76 is fixedly connected to the lower end of the one group of the round tubes 4, a first conical plug 77 is fixedly connected to the lower end of the round disc 73, and a first conical plug 77 is fixedly connected to the outer side 78 of the first conical plug 77.

In this embodiment, the pipe 1, the two sets of mounting rings 2 and the circular pipes 4 are in an integral structure, a set of openings on the upper sides of the two sets of circular pipes 4 are in a sealed arrangement, the control rod 72 penetrates through the inside of the upper side of the set of circular pipes 4, the circular plate 73 and the mounting groove 71 are in sliding arrangement, the first conical plug 77 is in a conical arrangement, and the first conical plug 77 is matched with the first triangular ring 76.

Specifically, during drainage or backflow, a small part of sewage left in the pipeline 1 can drive the fixed control rod 72 and the disc 73 to move in the installation groove 71 by pulling the pull ring 75 upwards to compress the first spring 74, meanwhile, the first conical plug 77 fixedly connected with the lower end of the control rod 72 and the first sealing ring 78 are pulled up, the inner space of the first triangular ring 76 is opened, and the sewage can directly flow out, so that the purpose of draining the sewage left in the pipeline 1 is achieved, the primary sewage draining is not affected, and the first conical plug 77 is under the impact of water flow and the pushing of the first spring 74, so that the first triangular ring 76 and the first conical plug 77 are matched with each other to maintain a sealing state.

In this embodiment, the check mechanism 8 includes the second triangle ring 81 of fixed connection at pipeline 1 one side inner wall, the inboard fixedly connected with four sets of stationary blades 82 of second triangle ring 81, the fixed round piece 83 that is provided with between four sets of stationary blades 82, the spread groove 84 has been seted up to the inside of round piece 83, one side activity of spread groove 84 is provided with movable block 85, fixedly connected with second spring 86 between the one side inner wall of movable block 85 and spread groove 84, the other end fixedly connected with second toper stopper 87 of movable block 85, the outside fixedly connected with second sealing ring 88 of second toper stopper 87, four sets of stationary blades 82 evenly surround the outside at round piece 83, stationary blade 82 presents an organic whole structure with round piece 83, one side restriction of movable block 85 is in the inside slip of spread groove 84, second toper stopper 87 is the toper setting, second toper stopper 87 looks adaptation with second triangle ring 81.

Specifically, the water flow flows to the second triangle ring 81 through one side of the pipeline 1, and the impact force generated by the water flow pushes the second conical plug 87 and the movable block 85 to compress the connecting groove 84, the space between the second conical plug 87 and the second triangle ring 81 is opened to drain, if the backflow occurs, the compressed second spring 86 rebounds and under the impact force of the backflow water, the second conical plug 87 is pushed to drive the second sealing ring 88 to be attached to the second triangle ring 81, the second triangle ring 81 is plugged, and secondary pollution caused by the backflow of the sewage is prevented, so that the pipeline system is influenced.

Working principle:

during the use, firstly, through the mounting hole 3 on two sets of collar 2 and the connecting hole 6 cooperation bolt on the solid fixed ring 5, realize the purpose of being connected with corresponding pipeline, secondly, rivers flow to the second triangle ring 81 through one side of pipeline 1, and the impact force that rivers produced, promote second conical plug 87 and movable block 85 to compress spread groove 84, open the space between second conical plug 87 and the second triangle ring 81 and carry out the drainage, if produce the backward flow, compressed second spring 86 resilience and the impact force of backward flow down, can promote second conical plug 87 and drive second sealing ring 88 and laminating of second triangle ring 81, plug second triangle ring 81, prevent that sewage backward flow from causing secondary pollution, secondly, when drainage or backward flow, little part remains in the inside sewage of pipeline 1, accessible upwards pull up pull ring 75 drives fixed control rod 72 and disk 73 and moves in the inside of mounting groove 71, compress first spring 74, first conical plug 77 and first sealing ring 78 of fixed connection are pulled up by first inner side sewage 78 simultaneously, open the first conical plug 76 is by the impact force of backward flow, the first conical plug 76 is directly carried out to the inside the first conical plug 76, and the first conical plug 76 is directly discharged at the inside the first pipeline is kept down, and the first conical plug 76 is directly discharged at the first sealing ring 76 is realized, and the purpose is realized, the first conical plug 76 is not to be directly influenced by the inside the first conical plug 76, and the first sealing ring is discharged down, the inside is realized, the first sealing device is directly under the condition is realized, and the sealing is simple and is easy, and is simple and has a simple and convenient, and has simple and convenient and.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a water supply and drainage prevents backflow structure, includes pipeline (1), its characterized in that: the utility model discloses a pipeline, including pipeline (1), including pipe (1), pipe (1) and water drainage mechanism (7), a plurality of groups of mounting holes (3) have been seted up respectively on mounting ring (2), the upper and lower side of pipeline (1) is fixedly provided with pipe (4) respectively, two groups the lower extreme fixedly connected with solid fixed ring (5) of downside a set of in pipe (4), a plurality of groups connecting hole (6) have been seted up on solid fixed ring (5), two groups internally mounted of pipe (4) have drainage mechanism (7), one side internally mounted of pipeline (1) has check mechanism (8), drainage mechanism (7) are including setting up inside mounting groove (71) of a set of pipe (4) in the upside, two sets of the inside activity of pipe (4) is provided with control lever (72), the outside of control lever (72) is close to inboard bottom position fixedly connected with disk (73) of mounting groove (71), fixedly connected with first spring (74) between the upside inner wall of disk (73) and mounting groove (71), upper end fixedly connected with pull ring (75).

2. The water supply and drainage backflow preventing structure according to claim 1, wherein: the inner walls of a group of lower sides in the two groups of round tubes (4) are fixedly connected with a first triangular ring (76), the lower end of the round plate (73) is fixedly connected with a first conical plug (77), and the outer side of the first conical plug (77) is fixedly connected with a first sealing ring (78).

3. The water supply and drainage backflow preventing structure according to claim 1, wherein: the pipeline (1), the two groups of mounting rings (2) and the circular tube (4) are in an integrated structure, and a group of openings on the upper sides in the two groups of circular tubes (4) are in sealing arrangement.

4. The water supply and drainage backflow preventing structure according to claim 1, wherein: the control rod (72) penetrates through the inner part of the group of round tubes (4) at the upper side, and the round plate (73) and the mounting groove (71) are arranged in a sliding mode.

5. The water supply and drainage backflow preventing structure according to claim 2, wherein: the first conical plug (77) is arranged in a conical manner, and the first conical plug (77) is matched with the first triangular ring (76).

6. The water supply and drainage backflow preventing structure according to claim 1, wherein: the check mechanism (8) comprises a second triangular ring (81) fixedly connected to the inner wall of one side of the pipeline (1), four groups of fixing plates (82) are fixedly connected to the inner side of the second triangular ring (81), round blocks (83) are fixedly arranged between the four groups of fixing plates (82), and connecting grooves (84) are formed in the round blocks (83).

7. The water supply and drainage backflow preventing structure according to claim 6, wherein: one side activity of spread groove (84) is provided with movable block (85), fixedly connected with second spring (86) between one side inner wall of movable block (85) and spread groove (84), the other end fixedly connected with second taper stopper (87) of movable block (85), the outside fixedly connected with second sealing ring (88) of second taper stopper (87).

8. The water supply and drainage backflow preventing structure according to claim 6, wherein: the four groups of fixing pieces (82) uniformly surround the outer side of the round block (83), and the fixing pieces (82) and the round block (83) are in an integral structure.

9. The water supply and drainage backflow preventing structure according to claim 7, wherein: one side of the movable block (85) is limited to slide in the connecting groove (84).

10. The water supply and drainage backflow preventing structure according to claim 7, wherein: the second conical plug (87) is arranged in a conical manner, and the second conical plug (87) is matched with the second triangular ring (81).