CN221300210U

CN221300210U - Water conservancy drainage is with preventing structure against current

Info

Publication number: CN221300210U
Application number: CN202323006420.4U
Authority: CN
Inventors: 蒋小林; 罗春燕
Original assignee: Chongqing Liangping District Water Quality Monitoring Station
Current assignee: Chongqing Liangping District Water Quality Monitoring Station
Priority date: 2023-11-08
Filing date: 2023-11-08
Publication date: 2024-07-09
Anticipated expiration: 2033-11-08

Abstract

The utility model discloses an anti-countercurrent structure for water conservancy drainage, which comprises a water pipe, a water baffle, an L-shaped connecting rod and an elastic frame, wherein the water baffle is connected with the inner top of a water outlet pipe through a hinge; the top of the water outlet pipe is provided with a sliding hole on the left side of the water baffle, one end of the L-shaped connecting rod is fixedly connected with the left side surface of the water baffle, and the L-shaped connecting rod is positioned on the inner side of the sliding hole. The elastic frame is used for pulling down the L-shaped connecting rod, then pushing the water baffle to tightly press on the stop block, so that the effect of blocking water is realized, when water flows in from one end of the water outlet connector, the water pressure is used for pushing the water baffle and the L-shaped connecting rod, then overcoming the elastic force of the elastic frame, so that the elastic frame is compressed and deformed, the water baffle is opened by the water pressure, the normal running of drainage work is ensured, the water baffle is automatically closed when the water pressure of the drainage water is low, the elastic closing is tight, and the anti-backflow reliability is high.

Description

Water conservancy drainage is with preventing structure against current

Technical Field

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

Background

In the water conservancy drainage process, water flow flows unidirectionally, when the water level in a water inlet tank rises and passes through the water outlet of a drain pipe, water in the water inlet tank is likely to flow reversely to a water source end, and the pipeline system and the water source are irreversibly damaged, so that an anti-backflow structure needs to be installed at a water conservancy drainage outlet.

The current anti-backflow structure only depends on the water flow to push the water baffle which is opened in one direction, when the water source in the water inlet pool fluctuates, the water baffle can be driven to be opened and closed, so that part of the water flow reversely flows into the drainage pipeline system, and the use reliability is poor.

Disclosure of Invention

In order to solve the defects and shortcomings of the prior art, the utility model aims to provide an anti-backflow structure for water conservancy drainage.

The technical scheme of the utility model is as follows: an anti-reflux structure for water conservancy drainage, comprising:

one end of the water outlet pipe is fixedly connected with a water outlet joint;

the water baffle is connected with the inner top of the water outlet pipe through a hinge, and a stop block is fixedly connected to the inner side of the water outlet pipe and positioned on the right side of the water baffle;

The top of the water outlet pipe is provided with a sliding hole positioned on the left side of the water baffle, one end of the L-shaped connecting rod is fixedly connected with the left side surface of the water baffle, and the L-shaped connecting rod is positioned on the inner side of the sliding hole;

The bottom of the elastic frame is positioned at the inner side of the water outlet pipe, the top end of the elastic frame extends out of the sliding hole, and an adjusting nut is connected with the side surface of the L-shaped connecting rod and the lower thread positioned at the top end of the elastic frame.

Preferably, the one end that the outlet pipe kept away from water joint is fixed mounting has manger plate portion, manger plate portion is annular, and inboard fixed mounting has the protection network subassembly.

Preferably, the water retaining part comprises a threaded outer cylinder, an inner cylinder body and an end plate for connecting the threaded outer cylinder and the inner cylinder body, the threaded outer cylinder is in threaded connection with the outer side of the water outlet pipe, the inner cylinder body is positioned at the inner side of the water outlet pipe, an annular gap is formed between the inner cylinder body and the inner side of the water outlet pipe, a rubber retaining ring is fixedly arranged at the inner side of the annular gap, and the outer side face of the rubber retaining ring is an inclined plane.

Preferably, the protection net component comprises a center block, wherein the center block is positioned at the center of the end plate, and a plurality of net racks which are distributed in a ring shape are fixedly connected between the center block and the end plate.

Preferably, the top of outlet pipe has seted up the mounting hole, the inboard fixedly connected with installation piece of mounting hole, the installation piece passes through the pin rotation with the breakwater and is connected.

Preferably, the baffle is set to an inclined plane towards one side of the water baffle, and an anti-collision pad is fixedly connected to the inclined plane of the baffle.

Preferably, the top of the L-shaped connecting rod is fixedly connected with an indicating ball.

Preferably, the elastic frame comprises an upper limiting part, a lower limiting part and an elastic folded plate, wherein two ends of the elastic folded plate are fixedly connected with the upper limiting part and the lower limiting part respectively, the upper limiting part is plate-shaped, the L-shaped connecting rod penetrates through the upper limiting part, the L-shaped connecting rod is in sliding connection with the upper limiting part, the lower limiting part is a top, and the lower limiting part is positioned at the inner side of the water outlet pipe.

Preferably, the side of the elastic folded plate is fixedly connected with a guide block at the inner side of the sliding hole, and one side of the guide block, facing the L-shaped connecting rod, is arc-shaped.

The beneficial effects of the utility model are as follows: in contrast to the prior art, the method has the advantages that,

1. According to the utility model, the L-shaped connecting rod and the elastic frame structure are additionally arranged, the elastic frame is used for pulling down the L-shaped connecting rod, so that the water baffle is pushed to be tightly pressed on the stop block, the effect of blocking water is realized, when water flows in from one end of the water outlet joint and is further pressurized, the water pressure is used for pushing the water baffle and the L-shaped connecting rod, then the elastic frame is compressed and deformed by overcoming the elastic force of the elastic frame, the water baffle is opened by the water pressure, the normal operation of drainage work is ensured, when the water pressure of the water is low, the water baffle is automatically closed, the elastic closing is compact, the backflow prevention reliability is high, the use effect is good, the structure is simple, the production cost is low, and the water baffle is directly arranged at the outlet of the drain pipe, and is worthy of wide popularization and application.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a cross-sectional view taken along line C-C of FIG. 2;

FIG. 4 is a top view of the present utility model;

FIG. 5 is a cross-sectional view taken along section line B-B of FIG. 4;

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

Fig. 7 is a schematic perspective view of the stopper and the water baffle.

Legend description:

1. A water outlet pipe; 2. a water outlet joint; 3. a water blocking part; 31. a threaded outer cylinder; 32. an inner cylinder; 33. an end plate; 34. a rubber baffle ring; 4. a protective net assembly; 41. a center block; 42. a net rack; 5. a sliding hole; 6. a mounting block; 7. a water baffle; 8. a stop block; 9. a crash pad; 10. an L-shaped connecting rod; 11. an indication ball; 12. an elastic frame; 121. an upper limit part; 123. a lower limiting part; 122. an elastic folded plate; 13. an adjusting nut; 14. and a guide block.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and specific examples:

Referring to fig. 1 to 7, a water conservancy drainage anti-reflux structure includes: the water outlet pipe 1, the water baffle 7, the L-shaped connecting rod 10 and the elastic frame 12.

Wherein, the one end fixedly connected with play water joint 2 of outlet pipe 1 for with the play water end connection of drain pipe, preferably adopt threaded connection's mode, the interior top hinge connection of breakwater 7 and outlet pipe 1 makes breakwater 7 rotate and opens and close, the inboard of outlet pipe 1 and be located the right side fixedly connected with dog 8 of breakwater 7, dog 8 keeps off the right-hand member of breakwater 7, when breakwater 7 and dog 8 extrusion, forms the effect of stagnant water, when breakwater 7 and dog 8 separation, the clearance between allows the flow of rivers.

The top of outlet pipe 1 and be located the left side of breakwater 7 and seted up slide hole 5, slide hole 5 is U type hole, and its one end and the left end intercommunication of outlet pipe 1, the one end and the left surface fixed connection of breakwater 7 of L type connecting rod 10, L type connecting rod 10 are located the inboard of slide hole 5, and the bottom of elastic frame 12 is located the inboard of outlet pipe 1, and the top of elastic frame 12 stretches out from slide hole 5, and the side of L type connecting rod 10 just is located the below threaded connection on elastic frame 12 top has adjusting nut 13.

The elastic frame 12 applies elastic pressure to the L-shaped connecting rod 10, and the L-shaped connecting rod 10 transmits the pressure to the water baffle 7, so that the water baffle 7 is tightly attached to the stop block 8, and reliable sealing is realized.

If the water flows from left to right, the force exerted by the water flow is in the same direction as the force exerted by the elastic frame 12, so that the water baffle 7 is tightly attached to the stop block 8.

If the water flows from right to left, the force exerted by the water flow is opposite to the force exerted by the elastic frame 12, and when the force exerted by the water flow is greater than the force exerted by the elastic frame 12, the water baffle 7 moves towards a direction away from the stop block 8, so that the water baffle 7 is separated from the stop block 8, and a gap is formed between the water baffle 7 and the stop block 8, and the water flow is allowed.

In an embodiment, a water retaining part 3 is fixedly installed at one end of the water outlet pipe 1 far away from the water outlet joint 2, the water retaining part 3 is annular, and a protective net assembly 4 is fixedly installed at the inner side.

The protective screen component 4 prevents external solid sundries from entering the water outlet pipe 1, thereby affecting the opening and closing actions of the water baffle 7; the water retaining part 3 is used for limiting the L-shaped connecting rod 10, so that the L-shaped connecting rod 10 is prevented from sliding out from one end of the sliding hole 5, and meanwhile, the left end part of the water outlet pipe can be effectively protected through the arrangement of the water retaining part 3.

In an embodiment, the water blocking part 3 includes a threaded outer cylinder 31, an inner cylinder 32, and an end plate 33 connecting the threaded outer cylinder 31 and the inner cylinder 32, the threaded outer cylinder 31, the inner cylinder 32, and the end plate 33 are in an integral structure, the threaded outer cylinder 31 is in threaded connection with the outer side of the water outlet pipe 1, the inner cylinder 32 is located at the inner side of the water outlet pipe 1, an annular gap is formed between the inner cylinder 32 and the inner side of the water outlet pipe 1, a rubber baffle ring 34 is fixedly installed at the inner side of the annular gap, and the outer side of the rubber baffle ring 34 is an inclined plane.

The rubber baffle ring is used to direct the flow of water while avoiding the impact of water on the inner barrel 32.

In an embodiment, the protection net assembly 4 includes a central block 41, the central block 41 is located at the central position of the end plate 33, and a plurality of annular net racks 42 are fixedly connected between the central block 41 and the end plate 33.

The gaps between the racks 42 allow water to pass through but can block the flow of larger solid impurities into the outlet pipe 1.

In an embodiment, the top of outlet pipe 1 has seted up the mounting hole, and the inboard fixedly connected with installation piece 6 of mounting hole, installation piece 6 and breakwater 7 pass through the pin and rotate to be connected.

In an embodiment, a side surface of the baffle plate 8 facing the baffle plate 7 is set to be an inclined surface, and an anti-collision pad 9 is fixedly connected to the inclined surface of the baffle plate 8 for buffering the impact force between the baffle plate 7 and the baffle plate 8 when the baffle plate 7 is closed, so that the service life of the device is prolonged.

In an embodiment, the top of the L-shaped link 10 is fixedly connected with an indicator ball 11, so that a user can observe the height of the indicator ball 11 to determine the open and closed states of the water baffle 7.

In an embodiment, the elastic frame 12 includes an upper limiting portion 121, a lower limiting portion 123, and an elastic folded plate 122, two ends of the elastic folded plate 122 are fixedly connected with the upper limiting portion 121 and the lower limiting portion 123 respectively, the upper limiting portion 121 is plate-shaped, the L-shaped connecting rod 10 penetrates through the upper limiting portion 121, the L-shaped connecting rod 10 is slidably connected with the upper limiting portion 121, the lower limiting portion 123 is a top, and the lower limiting portion 123 is located inside the water outlet pipe 1.

The elastic flaps 122 may be provided in two groups and symmetrically distributed at both ends of the upper and lower restrictions 121, 123.

In an embodiment, the side surface of the elastic folded plate 122 and the inner side of the sliding hole 5 are fixedly connected with the guide block 14, one side of the guide block 14 facing the L-shaped connecting rod 10 is provided with an arc shape, so that the part of the elastic folded plate 122 located inside the sliding hole 5 can slide with the L-shaped connecting rod 10 well, and the part of the elastic folded plate 122 located inside the sliding hole 5 is pressed and deformed under force.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.

Claims

1. An anti-reflux structure for water conservancy drainage, comprising:

a water outlet joint (2) is fixedly connected to one end of the water outlet pipe (1);

characterized by further comprising:

The water baffle (7), the water baffle (7) is connected with the inner top of the water outlet pipe (1) through a hinge, and a stop block (8) is fixedly connected to the inner side of the water outlet pipe (1) and positioned on the right side of the water baffle (7);

the water outlet pipe comprises an L-shaped connecting rod (10), wherein a sliding hole (5) is formed in the top of the water outlet pipe (1) and positioned on the left side of the water baffle (7), one end of the L-shaped connecting rod (10) is fixedly connected with the left side surface of the water baffle (7), and the L-shaped connecting rod (10) is positioned on the inner side of the sliding hole (5);

The elastic frame (12), the bottom of elastic frame (12) is located the inboard of outlet pipe (1), the top of elastic frame (12) stretches out from slide hole (5), the side of L type connecting rod (10) and the below threaded connection that is located elastic frame (12) top have adjusting nut (13).

2. The water conservancy is anti-reflux structure for drainage according to claim 1, wherein, one end that outlet pipe (1) kept away from water outlet joint (2) is fixed mounting has manger plate portion (3), manger plate portion (3) are annular, and inboard fixed mounting has protection network subassembly (4).

3. The water conservancy is anti-reflux structure for drainage according to claim 2, characterized in that the water retaining part (3) comprises a threaded outer cylinder (31), an inner cylinder (32) and an end plate (33) for connecting the threaded outer cylinder (31) and the inner cylinder (32), the threaded outer cylinder (31) is in threaded connection with the outer side of the water outlet pipe (1), the inner cylinder (32) is positioned at the inner side of the water outlet pipe (1), an annular gap is formed between the inner cylinder (32) and the inner side of the water outlet pipe (1), a rubber baffle ring (34) is fixedly arranged at the inner side of the annular gap, and the outer side surface of the rubber baffle ring (34) is an inclined surface.

4. A water conservancy drainage is with preventing against current structure according to claim 3, characterized in that, protection network subassembly (4) include center piece (41), center piece (41) are located the central point of end plate (33), fixedly connected with a plurality of annular distribution's rack (42) between center piece (41) and end plate (33).

5. The water conservancy is anti-reflux structure for drainage according to claim 1, wherein the top of outlet pipe (1) has seted up the mounting hole, the inboard fixedly connected with installation piece (6) of mounting hole, installation piece (6) are rotated through the pin with breakwater (7) and are connected.

6. The water conservancy is anti-reflux structure for drainage according to claim 1, wherein, a side face of the dog (8) facing the breakwater (7) is set to be an inclined plane, and an anti-collision pad (9) is fixedly connected to the inclined plane of the dog (8).

7. The water conservancy drainage is with preventing structure against current according to claim 1, characterized in that, the top fixedly connected with of L type connecting rod (10) indicates ball (11).

8. The water conservancy is anti-reflux structure for drainage according to claim 1, wherein the elastic frame (12) comprises an upper limiting part (121), a lower limiting part (123) and an elastic folded plate (122), two ends of the elastic folded plate (122) are fixedly connected with the upper limiting part (121) and the lower limiting part (123) respectively, the upper limiting part (121) is plate-shaped, the L-shaped connecting rod (10) penetrates through the upper limiting part (121), the L-shaped connecting rod (10) is in sliding connection with the upper limiting part (121), the lower limiting part (123) is a top, and the lower limiting part (123) is positioned on the inner side of the water outlet pipe (1).

9. The water conservancy drainage is with preventing against current structure according to claim 8, characterized in that, the side of elastic folded plate (122) and be located the inboard position of slide hole (5) fixedly connected with guide block (14), guide block (14) are set up to the arc towards one side of L type connecting rod (10).