CN214436910U

CN214436910U - Back washing device of non-negative pressure water supply equipment

Info

Publication number: CN214436910U
Application number: CN202120083857.XU
Authority: CN
Inventors: 李华涛; 张玉磊; 王深光; 于战伟
Original assignee: Binzhou Architectural Design Institute Co ltd
Current assignee: Binzhou Architectural Design Institute Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-10-22
Anticipated expiration: 2031-01-13

Abstract

The utility model discloses a no negative pressure water supply equipment's back flush unit, including base, water tank, fixed station, buffer case, quill shaft, filter screen, blow off pipe, inlet tube, connecting pipe, outlet pipe and actuating mechanism, the water tank is located on the base, the water tank top is located to the fixed station, the buffer case is located on the fixed station, the quill shaft rotates and locates on the fixed station, the filter screen is located on the water tank inner wall, the bottom of water tank is located to the blow off pipe, the inlet tube is located on the water tank, the outlet pipe is located on the buffer case, inlet tube and outlet pipe are connected to the connecting pipe, actuating mechanism locates in the base cavity. The utility model belongs to the technical field of water supply equipment, specifically indicate a need not to dismantle the back washing unit who washes, scrape brush, back flush's no negative pressure water supply equipment automatically.

Description

Back washing device of non-negative pressure water supply equipment

Technical Field

The utility model belongs to the technical field of water supply equipment, specifically indicate a back washing unit of no negative pressure water supply equipment.

Background

In large-scale water supply equipment, after long-time use, most of filter screens in the large-scale water supply equipment can deposit dirt, water scales or water quality and are easy to grow bacteria, and the filter screens need to be cleaned regularly. Among the prior art, the filter screen among the box no negative pressure water supply equipment when clean, the cleanup crew need stop water earlier, and the manual work is dismantled the filter screen and is washed, washs and accomplishes and installs again, then supplies water again, and whole process is wasted time and energy, and the cost of labor is high, influences the water supply demand, still damages the filter screen easily when manual cleaning sometimes, increases the replacement cost.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a need not to dismantle the back washing unit who washes, scrape brush, back flush's no negative pressure water supply equipment automatically.

In order to realize the above functions, the utility model discloses the technical scheme who takes as follows: a back washing device of a non-negative pressure water supply device comprises a base, a water tank, a fixed platform, a buffer tank, a hollow shaft, a filter screen, a blow-off pipe, a water inlet pipe, a connecting pipe, a water outlet pipe and a driving mechanism, wherein the water tank is arranged on the base; the driving mechanism comprises a motor, a first driving gear, a second driven gear, a first driven gear and a connecting seat, the motor is arranged inside the base cavity, the first driving gear is arranged at the power output end of the motor, the second driven gear is rotated to be arranged at the outer ring of the hollow shaft, the second driven gear is meshed with the second driving gear, the first driven gear is arranged at the outer ring of the hollow shaft, the first driven gear is meshed with the first driving gear, the connecting seat is rotated to be arranged at the outer ring of the hollow shaft, and the connecting seat is arranged on the second driven gear.

Further, the filter screen outer lane parcel is equipped with scrapes the brush, it locates on the connecting seat to scrape the brush.

Furthermore, a first water valve is arranged on the drain pipe, and a second water valve is arranged on the water outlet pipe.

Furthermore, the hollow shaft is uniformly provided with holes, so that water flow can be conveniently sprayed to the filter screen during backwashing.

Furthermore, a reversing valve is arranged at the joint of the water inlet pipe and the connecting pipe.

The utility model adopts the above structure to gain beneficial effect as follows: the utility model provides a pair of no negative pressure water supply equipment's back flush unit is through setting up actuating mechanism, can realize that the quill shaft is rotatory with scraping the brush and being located different speeds, and the back flush is more thorough, through setting up the switching-over valve, can realize that rivers reverse entering quill shaft, under the effect of rotatory centrifugal force, rivers spray the filter screen, realize the back flush.

Drawings

Fig. 1 is a schematic view of the overall structure of a back washing device of a non-negative pressure water supply device of the present invention.

The automatic water supply device comprises a base 1, a base 2, a water tank 3, a fixing table 4, a buffer tank 5, a hollow shaft 6, a filter screen 7, a sewage discharge pipe 8, a water inlet pipe 9, a water outlet pipe 10, a connecting pipe 11, a driving mechanism 12, a motor 13, a first driving gear 14, a second driving gear 15, a second driven gear 16, a first driven gear 17, a connecting seat 18, a scraping brush 19, a first water valve 20, a second water valve 21, a hole 22 and a reversing valve.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the utility model relates to a back washing device of non-negative pressure water supply equipment, which comprises a base 1, a water tank 2, a fixed station 3, a buffer tank 4, a hollow shaft 5, a filter screen 6, a blow-off pipe 7, a water inlet pipe 8, a connecting pipe 10, a water outlet pipe 9 and a driving mechanism 11, wherein the water tank 2 is arranged on the base 1, the fixed station 3 is arranged at the top of the water tank 2, the buffer tank 4 is arranged on the fixed station 3, the hollow shaft 5 is rotatably arranged on the fixed station 3, the filter screen 6 is arranged on the inner wall of the water tank 2, the blow-off pipe 7 is arranged at the bottom of the water tank 2, the water inlet pipe 8 is arranged on the water tank 2, the water outlet pipe 9 is arranged on the buffer tank 4, the connecting pipe 10 is connected with the water inlet pipe 8 and the water outlet pipe 9, and the driving mechanism 11 is arranged in the cavity of the base 1; actuating mechanism 11 includes motor 12, first drive gear 13, second drive gear 14, second driven gear 15, first driven gear 16 and connecting seat 17, inside 1 cavity of base was located to motor 12, the power take off of motor 12 was located to first drive gear 13, the power take off of motor 12 is located to second drive gear 14, second driven gear 15 rotates the outer lane of locating quill shaft 5, second driven gear 15 and the meshing of second drive gear 14, the outer lane of quill shaft 5 is located to first driven gear 16, first driven gear 16 meshes with first drive gear 13, connecting seat 17 rotates the outer lane of locating quill shaft 5, connecting seat 17 is located on second driven gear 15.

The outer ring of the filter screen 6 is wrapped with a scraping brush 18, and the scraping brush 18 is arranged on the connecting seat 17.

And a first water valve 19 is arranged on the sewage discharge pipe 7, and a second water valve 20 is arranged on the water outlet pipe 9.

The hollow shaft 5 is uniformly provided with holes 21.

A reversing valve 22 is arranged at the joint of the water inlet pipe 8 and the connecting pipe 10.

When the filter screen backwashing device is used specifically, when the filter screen 6 needs to be backwashed, the first water valve 19 and the second water valve 20 are closed, the reversing valve is adjusted, water flows to the connecting pipe 10, the water enters the hollow shaft 5 through the buffer tank 4, the driving mechanism 11 is started, the motor 12 drives the first driving gear 13 and the second driving gear 14 to rotate, the first driven gear 16 and the second driven gear 15 rotate, the hollow shaft 5 rotates, the water flows are thrown to the filter screen 6 under the action of centrifugal force, the filter screen 6 is backwashed, meanwhile, the second driven gear 15 drives the connecting seat 17 to rotate, the connecting seat 17 drives the scraping brush 18 to rotate around the hollow shaft 5, the scraping brush 18 on the surface of the filter screen 6 is achieved, the backwashing is more thorough under the action of the water flow, the flushing is finished, the driving mechanism 11 is stopped, the first water valve 19 is opened, after sewage is discharged, the first water valve 19 is closed, the second water valve 20 is opened, and then the reversing valve is adjusted, the water flow is led to the water tank 2, and the normal operation is recovered.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a back washing unit of no negative pressure water supply equipment which characterized in that: the water tank is arranged on the base, the fixed platform is arranged at the top of the water tank, the buffer tank is arranged on the fixed platform, the hollow shaft is rotatably arranged on the fixed platform, the filter screen is arranged on the inner wall of the water tank, the drain pipe is arranged at the bottom of the water tank, the water inlet pipe is arranged on the water tank, the water outlet pipe is arranged on the buffer tank, the connecting pipe is connected with the water inlet pipe and the water outlet pipe, and the driving mechanism is arranged in a cavity of the base; the driving mechanism comprises a motor, a first driving gear, a second driven gear, a first driven gear and a connecting seat, the motor is arranged inside the base cavity, the first driving gear is arranged at the power output end of the motor, the second driven gear is rotated to be arranged at the outer ring of the hollow shaft, the second driven gear is meshed with the second driving gear, the first driven gear is arranged at the outer ring of the hollow shaft, the first driven gear is meshed with the first driving gear, the connecting seat is rotated to be arranged at the outer ring of the hollow shaft, and the connecting seat is arranged on the second driven gear.

2. The backwashing device of the non-negative pressure water supply apparatus according to claim 1, wherein: the filter screen outer lane parcel is equipped with scrapes the brush, it locates on the connecting seat to scrape the brush.

3. The backwashing device of the non-negative pressure water supply apparatus according to claim 2, wherein: and a first water valve is arranged on the drain pipe, and a second water valve is arranged on the water outlet pipe.

4. The backwashing device of the non-negative pressure water supply apparatus according to claim 3, wherein: holes are uniformly arranged on the hollow shaft.

5. The backwashing device of the non-negative pressure water supply apparatus according to claim 4, wherein: and a reversing valve is arranged at the joint of the water inlet pipe and the connecting pipe.