CN211343452U

CN211343452U - Water pump with lengthened pump shaft

Info

Publication number: CN211343452U
Application number: CN201921092312.4U
Authority: CN
Inventors: 孙岳
Original assignee: Beijing Rex Printing Devices Co ltd
Current assignee: Beijing Rex Printing Devices Co ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-08-25
Anticipated expiration: 2029-07-12

Abstract

The utility model discloses a water pump with extension pump shaft, which comprises a motor, set up a pump shaft on the rotor of motor, the end-to-end connection of pump shaft has the blade, the pump shaft rotates along with the rotor and rotates in order to drive the blade, the pump shaft is installed in the pump barrel, the blade is installed in the blade box, pump barrel upper end and motor casing fixed connection, the pump barrel lower extreme with blade box fixed connection, pump barrel bottom side with the blade box bottom all is provided with the water inlet, the blade box side still is provided with the delivery port. The utility model discloses a water pump simple structure, convenient to use need not sealed, has reduced water pump fault rate.

Description

Water pump with lengthened pump shaft

Technical Field

The utility model relates to a water pump technical field, in particular to water pump with extension pump shaft.

Background

In the prior art, water is generally pumped by a water pump, while in the water pump in the prior art, a shaft is generally arranged on a rotor of a motor, the length of the shaft is generally less than 50mm, the end part of the shaft extends out of a motor shell, and a coupler, a gear box and the like are arranged at the end part of the shaft and are connected with a pump body, but the water pump has the following problems:

parts such as a coupler, a pump shell, a sealing piece and the like are required, the structure is complex, and the production cost is high; in addition, mechanical seals or sealing rings and the like are easy to wear, water leakage of the water pump is easy to cause, and the failure rate is high; and the water pump is generally installed in the water body, and the water sucking mouth of water pump needs to install specific pipe connection water pump and water body, and is troublesome to use.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a water pump with extension pump shaft to solve among the prior art water pump structure complicacy, fault rate height, use trouble problem.

In order to solve the technical problem, the utility model discloses a technical scheme does:

the utility model provides a water pump with extension pump shaft, includes the motor, set up a pump shaft on the rotor of motor, the end-to-end connection of pump shaft has the blade, the pump shaft rotates along with the rotor and rotates in order to drive the blade, the pump shaft is installed in the pump barrel, the blade is installed in the blade box, pump barrel upper end and motor casing fixed connection, the pump barrel lower extreme with blade box fixed connection, pump barrel bottom side with blade box bottom all is provided with the water inlet, the blade box side still is provided with the delivery port.

Optionally: the blade box is characterized by further comprising a filter box, wherein the filter box is arranged at the bottom of the blade box, and a water inlet is further formed in the bottom of the filter box.

Optionally: the bottom of the filter box is provided with a plurality of filter holes.

Optionally: and a sealing ring is also arranged between the lower end of the pump shaft and the blade box.

Optionally: the length of the pump shaft is 150mm-600 mm.

Optionally: the pump barrel is characterized in that a first platform is arranged at the upper end of the pump barrel, and the motor box is fixed to the upper side of the first platform through bolts.

Optionally: the lower end of the pump barrel is provided with a second platform, and the blade box is fixed to the bottom of the second platform through bolts.

Optionally: an air inlet is also arranged on the pump cylinder.

By adopting the technical scheme, the pump shaft is arranged on the rotor of the motor, and the blades are arranged at the tail end of the pump shaft, so that connecting structures such as a coupler, a gear box and the like are not needed, the structure is simple, and the production cost of the water pump is reduced; when the device is used, only the tail end of the pump shaft, the blades and the blade box are required to be immersed into a water body for use, the sealing problem is avoided, high-precision sealing parts of a traditional water pump are not required, the fault rate of the water pump is reduced, and the service life of the water pump is greatly prolonged; finally, this device is direct when using and is followed the water uptake in the water, need not to install the water supply pipeline of water pump, and convenient to use is simple.

Drawings

FIG. 1 is a schematic structural view of a water pump with an elongated pump shaft according to the present invention;

FIG. 2 is a side view of the water pump with an elongated pump shaft of the present invention;

FIG. 3 is a cross-sectional view of the water pump with an elongated pump shaft of the present invention;

in the figure, 1-motor, 2-pump cylinder, 21-cylinder, 22-first platform, 23-second platform, 24-reinforcing rib, 3-blade box, 4-water inlet, 5-water outlet, 6-air inlet, 7-filter box, 8-pump shaft, 9-blade, and 10-water outlet.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

A water pump with a lengthened pump shaft 8 is shown in figures 1-3 and comprises a motor 1, the motor 1 comprises a motor shell and a motor body arranged in the motor shell, a pump shaft 8 is arranged on a rotor of the motor 1, the tail end of the pump shaft 8 is connected with a blade 9, the pump shaft 8 rotates along with the rotor to drive the blade 9 to rotate, a pump shaft 8 is arranged in the pump barrel 2, the blades 9 are arranged in the blade box 3, the upper end of the pump barrel 2 is fixedly connected with the shell of the motor 1, the lower end of the pump barrel 2 is fixedly connected with the blade box 3, the side surface of the bottom of the pump barrel 2 and the bottom of the blade box 3 are both provided with a water inlet 4, the side surface of the blade box 3 is also provided with a water outlet 5, an air inlet 6 is further formed in the side face of the upper portion of the pump barrel 2 to keep the air pressure in the pump barrel 2 consistent with the external air pressure, and therefore a large amount of water in the pump barrel 2 is prevented from flowing back to a water tank due to siphon generated in the pump barrel 2 after the water pump stops working.

The utility model discloses an in the embodiment, still be provided with filter cartridge 7 in order to filter the impurity of aquatic in blade cartridge 3 bottom, it is concrete, be provided with a plurality of filtration pores in filter cartridge 7 bottom, should filter the pore and be used for filtering the great impurity of aquatic when intaking.

The utility model discloses an embodiment pump barrel 2 is such structure, and pump barrel 2 includes first platform 22, barrel 21 and the second platform 23 that top-down set gradually, and 1 box of motor passes through the bolt fastening at first platform 22 upside, and blade box 3 passes through the bolt fastening in second platform 23 bottom, and barrel 21 is in the embodiment of the utility model is the cylindrical structure, and still is provided with strengthening rib 24 on the barrel 21 lateral wall.

Because when using, immerse the water of water tank with the terminal of pump shaft 8, blade 9 and blade box 3 and use, so in the embodiment of the utility model, consider the leakproofness, still be provided with the sealing washer between pump shaft 8 lower extreme and blade box 3.

Considering that the pump shaft 8 rotates at a high speed when in use, the length of the pump shaft 8 needs to meet the requirement of lengthening and cannot be too long, so the preferable range of the length of the pump shaft 8 is 150mm-600mm, and in the embodiment of the utility model, the length of the pump shaft 8 is 176 mm.

The utility model discloses a water pump specifically is so used: the water outlet 5 is connected with a water outlet pipe 10, the lower end of the pump barrel 2 and the structures (such as the blade box 3, the filter box 7 and the like) at the lower part thereof are immersed in the water tank, the water pump is fixed, the motor 1 is electrified, the electronic rotor rotates to drive the pump shaft 8 to rotate, the blades 9 are arranged at the lower end of the pump shaft 8 and rotate along with the rotation of the pump shaft 8, the water in the water tank enters the blade box 3 after being filtered from the bottom of the filter box 7, meanwhile, the water inlet 4 is also arranged on the pump barrel 2, the water in the water tank also enters the blade box 3 from the water inlet 4 of the pump barrel 2, and the water entering the blade box 3 is driven by the rotation of the blades 9 to flow out from the water outlet 5.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides a water pump with extension pump shaft, includes the motor, its characterized in that: the pump comprises a motor and is characterized in that a pump shaft is arranged on a rotor of the motor, the tail end of the pump shaft is connected with a blade, the pump shaft rotates along with the rotor to drive the blade to rotate, the pump shaft is installed in a pump barrel, the blade is installed in the blade box, the upper end of the pump barrel is fixedly connected with a motor shell, the lower end of the pump barrel is fixedly connected with the blade box, a water inlet is formed in the side face of the bottom of the pump barrel and the bottom of the blade box, and a water outlet is formed in the side face.

2. The water pump of claim 1, wherein: the blade box is characterized by further comprising a filter box, wherein the filter box is arranged at the bottom of the blade box, and a water inlet is further formed in the bottom of the filter box.

3. The water pump of claim 2, wherein: the bottom of the filter box is provided with a plurality of filter holes.

4. The water pump of claim 3, wherein: and a sealing ring is also arranged between the lower end of the pump shaft and the blade box.

5. The water pump of claim 4, wherein: the length of the pump shaft is 150mm-600 mm.

6. The water pump of claim 5, wherein: the pump barrel is characterized in that a first platform is arranged at the upper end of the pump barrel, and the motor box is fixed to the upper side of the first platform through bolts.

7. The water pump of claim 6, wherein: the lower end of the pump barrel is provided with a second platform, and the blade box is fixed to the bottom of the second platform through bolts.

8. The water pump of claim 7, wherein: an air inlet is also arranged on the pump cylinder.