CN216306340U

CN216306340U - Buffer structure for water ring screen spacious pump

Info

Publication number: CN216306340U
Application number: CN202121828811.2U
Authority: CN
Inventors: 谢江杭
Original assignee: Shanghai Jiajin Pump Manufacturing Co ltd
Current assignee: Shanghai Jiajin Pump Manufacturing Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-04-15
Anticipated expiration: 2031-08-06

Abstract

The utility model relates to the technical field of water ring shield pumps, in particular to a buffer structure for a water ring shield pump, which solves the problem that in the prior art, due to the inertia of pressure water flow, water flow shock waves can be generated, and a liquid outlet pipe is easy to loosen and break. The utility model provides a water ring shield spacious pump buffer structure, is including the spacious pump body of screen, the sealed feed liquor pipe that is equipped with of lower extreme of the spacious pump body of screen, the sealed intercommunication in upper end of the spacious pump body of screen has the drain pipe, sealed intercommunication has an installation section of thick bamboo on the lateral wall of drain pipe, be equipped with the first buffer gear who is used for realizing the buffering in the installation section of thick bamboo, sealed intercommunication has a drainage section of thick bamboo on the lateral wall of drain pipe, be equipped with the second buffer gear who is used for realizing the buffering in the drainage section of thick bamboo. The utility model can buffer the water pressure in the liquid outlet pipe and avoid the loosening or the breakage of the liquid outlet pipe caused by overlarge pressure.

Description

Buffer structure for water ring screen spacious pump

Technical Field

The utility model relates to the technical field of water ring shield pumps, in particular to a buffer structure for a water ring shield pump.

Background

The water-ring screen-opening pump is a sealless pump, the pump and the driving motor are sealed in a pressure container filled with pumped medium, the pressure container only has static seal, and a wire set is used for providing a rotating magnetic field and driving a rotor, so that the leakage is completely avoided.

When the water ring screen open pump is used, liquid enters the water ring screen open pump from the liquid inlet pipe, and then water with higher pressure is pumped out from the liquid outlet pipe after being pressurized in the water ring screen open pump, and then the water is conveyed for use.

The pump is spacious to current water ring screen is when pumping water, because pressure is great, the inertia of pressure rivers produces rivers shock wave, (water hammer effect) this kind of shock wave can cause the not hard up of drain pipe, when pressure reaches certain degree, still can cause breaking of pipeline for pump water can not go on, so need the spacious pump of a water ring screen buffer structure for solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a buffer structure for a water ring screen spacious pump, which solves the problem that in the prior art, due to the inertia of pressure water flow, water flow shock waves can be generated, and the loosening and the breakage of a liquid outlet pipe are easily caused.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a water ring shield spacious pump buffer structure, is including the spacious pump body of screen, the sealed feed liquor pipe that is equipped with of lower extreme of the spacious pump body of screen, the sealed intercommunication in upper end of the spacious pump body of screen has the drain pipe, sealed intercommunication has an installation section of thick bamboo on the lateral wall of drain pipe, be equipped with the first buffer gear who is used for realizing the buffering in the installation section of thick bamboo, sealed intercommunication has a drainage section of thick bamboo on the lateral wall of drain pipe, be equipped with the second buffer gear who is used for realizing the buffering in the drainage section of thick bamboo.

Preferably, the first buffer mechanism comprises a piston which is connected in the mounting cylinder in a sealing and sliding mode, and the piston is arranged at one end close to the liquid outlet pipe.

Preferably, the second buffer mechanism comprises a plurality of drain holes arranged on the side wall of the drainage cylinder, and the plurality of drain holes are arranged along the circumference of the drainage cylinder in an equal radian.

Preferably, a cylinder is connected in the liquid discharge cylinder in a sealing and sliding manner, the initial position of the cylinder seals all the liquid discharge holes, and one end of the cylinder, which is close to the liquid outlet pipe, is provided.

Preferably, a fixing plate is fixedly connected in the drainage cylinder, the fixing plate is arranged on the right side of the plurality of drainage holes, a transmission plate is connected in the drainage cylinder in a sealing and sliding manner, and a cavity is formed between the fixing plate and the transmission plate.

Preferably, the transmission plate is elastically connected with the inner wall of the liquid discharge cylinder through a spring, and the transmission plate is fixedly connected with the cylinder through a push column.

Preferably, the installation cylinder is hermetically communicated with an air duct, and the lower end of the air duct is hermetically communicated with the cavity.

The utility model has at least the following beneficial effects:

1. through setting up first buffer gear, realize the buffering to pump play water hydraulic pressure, when pressure is great, the piston is promoted to partly rivers enter into the installation section of thick bamboo in the play liquid pipe, realize the buffering effect, avoid water pressure too big, cause not hard up or the fracture of pipeline.

2. Through setting up second buffer gear, realize the pressure release to the drain pipe, when the water pressure was too big in the drain pipe, piston motion distance was longer for the cylinder motion distance right is longer, and the wash port carries out the drainage and carries out the pressure release, further increases buffering effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is an external structural schematic view of a buffer structure for a water ring screen opening pump according to the present invention;

fig. 2 is a schematic external structural view of a liquid outlet pipe of a buffer structure for a water ring screen opening pump according to the present invention;

fig. 3 is a schematic view of an internal structure of a drain pipe of a buffer structure for a water ring screen opening pump according to the present invention;

fig. 4 is an enlarged view of a structure shown in fig. 3.

In the figure: 1. a pump body; 2. a liquid inlet pipe; 3. a liquid outlet pipe; 4. mounting the cylinder; 5. a liquid discharge cylinder; 6. a piston; 7. a drain hole; 8. a cylinder; 9. a fixing plate; 10. a drive plate; 11. a spring; 12. pushing the column; 13. an air duct; 14. a cavity.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1-4, a buffer structure for a water-ring screen-opening pump comprises a screen-opening pump body 1, a liquid inlet pipe 2 is hermetically arranged at the lower end of the screen-opening pump body 1, a liquid outlet pipe 3 is hermetically communicated with the upper end of the screen-opening pump body 1, an installation cylinder 4 is hermetically communicated with the side wall of the liquid outlet pipe 3, a first buffer mechanism for realizing buffering is arranged in the installation cylinder 4, a liquid discharge cylinder 5 is hermetically communicated with the side wall of the liquid outlet pipe 3, and a second buffer mechanism for realizing buffering is arranged in the liquid discharge cylinder 5.

Further, refer to fig. 2 and 3 and can learn that first buffer gear includes piston 6 of sealed sliding connection in installation section of thick bamboo 4, and piston 6 sets up in the one end that is close to drain pipe 3, and piston 6's setting can promote piston 6 when pressure is great to partly rivers enter into installation section of thick bamboo 4 in the drain pipe 3, realize the buffering effect, avoid water pressure too big, cause not hard up or the fracture of pipeline.

Further, as can be known from fig. 2, the second buffer mechanism includes a plurality of drain holes 7 disposed on the sidewall of the drainage cylinder 5, the plurality of drain holes 7 are disposed along the circumference of the drainage cylinder 5 at equal radians, and the arrangement of the plurality of drain holes 7 disperses the pressure, so that the buffer effect is better.

Further, as can be seen from fig. 3, the drainage cylinder 5 is connected with a cylinder 8 in a sliding manner, the initial position of the cylinder 8 seals a drainage hole 7, and the cylinder 8 is close to one end of the drainage pipe 3, wherein an end distance is formed between the left end of the cylinder 8 and the leftmost drainage hole 7, so that the drainage hole 7 is not conducted when the pressure is higher.

Further, as can be known by referring to fig. 3 and 4, a fixing plate 9 is fixedly connected in the drain cylinder 5, the fixing plate 9 is disposed on the right side of the plurality of drain holes 7, a driving plate 10 is hermetically and slidably connected in the drain cylinder 5, a cavity 14 is formed between the fixing plate 9 and the driving plate 10, and the cavity 14 is configured to store gas and provide power for the movement of the driving plate 10.

Further, refer to fig. 3 and can learn that, the driving plate 10 passes through the inner wall elastic connection of spring 11 with flowing back section of thick bamboo 5, and driving plate 10 is through pushing away post 12 and cylinder 8 fixed connection, through setting up driving plate 10, realizes when the water pressure is too big in

drain pipe

3, and 6 movement distance of piston this moment is longer for cylinder 8 movement distance right is longer, thereby wash port 7 carries out the drainage, realizes that the pressure release further increases buffering effect.

Further, as can be known by referring to fig. 2 and 3, the installation cylinder 4 is hermetically communicated with an air duct 13, the lower end of the air duct 13 is hermetically communicated with the cavity 14, and the air duct 13 is arranged to provide power for the movement of the cylinder 8, so as to avoid external power.

The working principle is as follows: when the uncovered pump body 1 pumps liquid out of the liquid outlet pipe 3, when the water flow speed is low, the piston 6 and the cylinder 8 can not be pushed, when the water flow is high and the pressure is high, the piston 6 is pushed firstly, so that part of the water flow in the liquid outlet pipe 3 enters the mounting cylinder 4, the buffering effect is realized, the phenomenon that the water pressure is too high to cause the loosening or the breakage of a pipeline is avoided, meanwhile, the piston 6 moves, so that the gas at the right end of the mounting cylinder 4 is pumped into the cavity 14 through the gas guide pipe 13 to cause the driving plate 10 to move, the spring 11 is compressed, the moving distance of the piston 6 is short at the moment, the moving distance of the driving plate 10 is short, the cylinder 8 can also seal the drain hole 7, when the water pressure in the liquid outlet pipe 3 is too high, the moving distance of the piston 6 is long at the moment, the moving distance of the cylinder 8 to the right is long, so that the drain hole 7 drains water, the buffering effect is further increased by pressure relief, the arrangement of the plurality of drain holes 7 disperses the pressure, so that the buffering effect is better. The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a water ring shield spacious pump buffer structure, is including spacious pump body (1) of screen, its characterized in that, the sealed feed liquor pipe (2) that is equipped with of lower extreme of spacious pump body (1) of screen, the sealed intercommunication in upper end of spacious pump body (1) of screen has drain pipe (3), sealed intercommunication has an installation section of thick bamboo (4) on the lateral wall of drain pipe (3), be equipped with the first buffer gear who is used for realizing the buffering in installation section of thick bamboo (4), sealed intercommunication has a drainage section of thick bamboo (5) on the lateral wall of drain pipe (3), be equipped with the second buffer gear who is used for realizing the buffering in drainage section of thick bamboo (5).

2. A buffer structure for a water ring screen opening pump according to claim 1, characterized in that the first buffer mechanism comprises a piston (6) which is hermetically and slidably connected in the mounting cylinder (4), and the piston (6) is arranged at one end close to the liquid outlet pipe (3).

3. A buffer structure for a water ring screen opening pump according to claim 1, wherein the second buffer mechanism comprises a plurality of drain holes (7) formed in a side wall of the drain cylinder (5), and the plurality of drain holes (7) are arranged along a circumference of the drain cylinder (5) in an equal arc.

4. A buffer structure for a water ring screen-opening pump according to claim 3, wherein a cylinder (8) is connected in the liquid discharge cylinder (5) in a sealing and sliding manner, the initial position of the cylinder (8) seals all the water discharge holes (7), and the cylinder (8) is close to one end of the liquid discharge pipe (3).

5. A buffer structure for a water ring screen opening pump according to claim 3, wherein a fixing plate (9) is fixedly connected in the drainage cylinder (5), the fixing plate (9) is disposed at the right side of the plurality of drainage holes (7), a driving plate (10) is slidably connected in the drainage cylinder (5) in a sealing manner, and the fixing plate (9) and the driving plate (10) form a cavity (14).

6. The buffer structure for the water ring screen spacious pump of claim 5, characterized in that, the driving plate (10) is elastically connected with the inner wall of the liquid discharge barrel (5) through a spring (11), and the driving plate (10) is fixedly connected with the cylinder (8) through a push column (12).

7. A buffer structure for a water ring screen pump according to claim 5, wherein the installation cylinder (4) is hermetically communicated with a gas guide pipe (13), and the lower end of the gas guide pipe (13) is hermetically communicated with the cavity (14).