CN210219038U

CN210219038U - Water hammer protection device

Info

Publication number: CN210219038U
Application number: CN201920661667.4U
Authority: CN
Inventors: Anchao Feng; 冯安朝; Xiaping Gong; 龚夏平; Guqing Wu; 武羖卿; Wenjing Wang; 王雯静; Chen Chen; 陈晨
Original assignee: Xidi (suzhou) Survey And Design Consultant Co Ltd
Current assignee: Xidi (suzhou) Survey And Design Consultant Co Ltd
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2020-03-31
Anticipated expiration: 2029-05-09

Abstract

The utility model discloses a water hammer protection device, which comprises a pipeline, wherein the pipeline is provided with a through hole, the inside of the pipeline is fixedly connected with a protective pipe, the through hole penetrates through the protective pipe, the inside of the protective pipe is provided with a spring groove, the inner wall of the spring groove is fixedly connected with a limit block, the top end of the spring groove is fixedly connected with a spring, one end of the spring is fixedly connected with a square block, one end of the square block is fixedly connected with a pull rod, the push block can move up and down by being provided with the spring, the square block, the pull rod and the push block, and can recover after water pressure is stabilized, the number of water flow channels can be properly increased and reduced by being provided with two channels, the pressure of the pipeline is reduced, the purpose of preventing water hammer is achieved, by being provided with a slider component, when the water pressure in the pipeline is changed, the purpose of closing and opening the lower channel is achieved through the crank slider principle.

Description

Water hammer protection device

Technical Field

The utility model relates to a water hammer protection technical field specifically is a water hammer protector.

Background

The water hammer refers to a phenomenon that in a closed pipeline system, large pressure fluctuation is caused due to rapid change of fluid flow speed, and hydraulic impact is caused.

When the water pump fails or the valve is closed, the flow rate of the fluid in the pipe changes sharply to cause a large pressure, which may cause damage to the pipe. The existing water hammer protection device needs to arrange an air valve at a high point of a pipeline, pressure balance is adjusted by air inlet or air outlet, equipment is precise, and faults are easy to occur; some need to be provided with an air pressure tank to adjust the water quantity balance, and the equipment has large volume and high cost. In order to comprehensively adopt water quantity regulation and resistance increase regulation and save the manufacturing cost, the water hammer protection device is provided aiming at the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water hammer protector to solve current water hammer protector and easily break down or problem with high costs.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a water hammer protector, includes the pipeline, the through-hole has been seted up to the pipeline, the inside fixedly connected with protecting tube of pipeline, the through-hole runs through the protecting tube, the spring groove has been seted up to the inside of protecting tube, the inner wall fixedly connected with stopper in spring groove, the top fixedly connected with spring in spring groove, the one end fixedly connected with square of spring, the one end fixedly connected with pull rod of square.

Preferably, one end of the pull rod is fixedly connected with a push block, the push block is positioned in the spring groove, the protective pipe is provided with two identical channels, and the channel above the protective pipe is communicated with the spring groove.

Preferably, a sliding groove is formed in the protective pipe, the sliding groove is communicated with a channel below the sliding groove, and a moving block is connected to the inside of the sliding groove in a sliding mode.

Preferably, the inner wall of the through hole is fixedly connected with a sliding block component, the surface of the push block is rotatably connected with a first connecting rod, and the surface of the moving block is rotatably connected with a second connecting rod.

Preferably, the slider component comprises a square box, a square groove, a disc, a connecting rod and a limiting groove, the square groove is formed in the inner wall of the square box, the inside of the square groove is fixedly connected with the surface of the disc, one end of the connecting rod is fixedly connected with the surface of the disc, and the surface of the square box is provided with two identical limiting grooves.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the push block can move up and down and can recover after the water pressure is stable by arranging the spring, the square block, the pull rod and the push block, and the number of water flow channels can be properly increased and reduced by arranging the two channels, so that the pressure of a pipeline is reduced, and the aim of preventing water hammer is fulfilled;

2. through being provided with the slider component, when the water pressure in the pipeline changes, drive the connecting rod motion through the ejector pad, the connecting rod drives the connecting rod motion, and the connecting rod drives the disc rotation in the slider component, through the slider-crank principle, reaches the purpose of closing and opening the below passageway.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the slider member of the present invention.

In the figure: the device comprises a pipeline 1, a through hole 2, a slider component 3, a square box 31, a square groove 32, a connecting rod 33, a circular disc 34, a limiting groove 35, a moving block 4, a sliding groove 5, a limiting block 6, a spring groove 7, a spring 8, a square block 9, a protective tube 10, a push block 11, a channel 12, a pull rod 13, a first connecting rod 14 and a second connecting rod 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a water hammer protector, including pipeline 1, pipeline 1 has seted up through-hole 2, pipeline 1's inside fixedly connected with protecting tube 10, through-hole 2 runs through protecting tube 10, spring groove 7 has been seted up to protecting tube 10's inside, through being provided with spring groove 7, be convenient for place spring 8, spring groove 7's inner wall fixedly connected with stopper 6, through being provided with stopper 6, reach the purpose that restriction pull rod 13 removed, spring groove 7's top fixedly connected with spring 8, spring 8's one end fixedly connected with square 9, square 9's one end fixedly connected with pull rod 13.

Referring to fig. 1, one end of the pull rod 13 is fixedly connected with a push block 11, the push block 11 is positioned in the spring groove 7, the space between the push block 11 and the spring groove 7 is watertight, the protective pipe 10 is provided with two identical channels 12, and the upper channel 12 is communicated with the spring groove 7.

Referring to fig. 1, a chute 5 is formed in the protective pipe 10, the chute 5 is communicated with a lower channel 12, a moving block 4 is connected to the inside of the chute 5 in a sliding manner, and the chute 5 is impermeable to water with the moving block 4.

Referring to fig. 1 and 2, the inner wall of the through hole 2 is fixedly connected with a slider component 3, the surface of the push block 11 is rotatably connected with a first connecting rod 14, the surface of the moving block 4 is rotatably connected with a second connecting rod 15, and the purpose of the crank slider motion principle is achieved by arranging the slider component 3.

Referring to fig. 2, the slider member 3 includes a square box 31, a square groove 32, a circular disc 34, two connecting rods 33 and two limiting grooves 35, the square groove 32 is formed in the inner wall of the square box 31, the inside of the square groove 32 is fixedly connected to the surface of the circular disc 34, one end of each connecting rod 33 is fixedly connected to the surface of the circular disc 34, the number of the connecting rods 33 is two, the two same limiting grooves 35 are formed in the surface of the square box 31, the number of the limiting grooves 35 is two, and the space between each limiting groove 35 and the corresponding connecting rod 14 is watertight.

The utility model discloses when concrete implementation: taking the working condition of the water hammer of the pump stopping as an example, when the water pump works normally, the water in the through hole 2 flows normally, the push block 11 is positioned at the inlet of the upper channel 12, the water in the through hole 2 does not flow out through the upper channel 12, the moving block 4 is positioned below the inlet of the lower channel 12 at the moment, and the water in the through hole 2 flows out through the lower channel 12. At the initial stage (water wave is forward) when the water pump stops working, the pressure in the through-hole 2 is less than the pressure in the spring groove 7, the pull rod 13 can move downwards along the limiting block 6, the limiting block 6 pushes the push block 11 to move downwards, the water in the spring groove 7 is squeezed into the through-hole 2, the negative pressure at the position is reduced, thereby the water hammer effect is reduced, at the later stage (water wave is backward) when the water pump stops working, the push block 4 moves upwards under the influence of pressure, meanwhile, the push block 11 moves, the force is transmitted to the movable block component 3 through the first connecting rod 14, through the crank-slider principle, the second connecting rod 15 can also drive the movable block 4 to move upwards, the movable block 4 moves upwards, the inlet of the lower channel 12 can be blocked, the circulation of the water is reduced, the pressure of the water in the through-hole is increased, the water flow resistance is increased, and the purpose.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A water hammer protection device comprises a pipeline (1), and is characterized in that: through-hole (2) have been seted up in pipeline (1), inside fixedly connected with protecting tube (10) of pipeline (1), through-hole (2) run through protecting tube (10), spring groove (7) have been seted up to the inside of protecting tube (10), the inner wall fixedly connected with stopper (6) of spring groove (7), top fixedly connected with spring (8) of spring groove (7), the one end fixedly connected with square (9) of spring (8), the one end fixedly connected with pull rod (13) of square (9).

2. A water hammer guard according to claim 1, wherein: one end of the pull rod (13) is fixedly connected with a push block (11), the push block (11) is positioned in the spring groove (7), the protective pipe (10) is provided with two identical channels (12), and the channel (12) above is communicated with the spring groove (7).

3. A water hammer guard according to claim 1, wherein: a sliding groove (5) is formed in the protective pipe (10), the sliding groove (5) is communicated with a channel (12) below the sliding groove (5), a moving block (4) is connected to the inside of the sliding groove (5) in a sliding mode, and a second connecting rod (15) is connected to the surface of the moving block (4) in a rotating mode.

4. A water hammer guard according to claim 2, wherein: the inner wall of the through hole (2) is fixedly connected with a sliding block component (3), and the surface of the push block (11) is rotatably connected with a first connecting rod (14).

5. A water hammer guard according to claim 4, wherein: the slider component (3) comprises a square box (31), a square groove (32), a disc (34), a connecting rod (33) and a limiting groove (35), the square groove (32) is formed in the inner wall of the square box (31), the inside of the square groove (32) is fixedly connected with the surface of the disc (34), one end of the connecting rod (33) is fixedly connected with the surface of the disc (34), and the surface of the square box (31) is provided with two identical limiting grooves (35).