CN211474450U

CN211474450U - Water pump that leakproofness is good

Info

Publication number: CN211474450U
Application number: CN201922251664.6U
Authority: CN
Inventors: 王玺玉
Original assignee: Beijing Since Rainbow Environmental Equipment Engineering Co ltd
Current assignee: Beijing Since Rainbow Environmental Equipment Engineering Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-09-11
Anticipated expiration: 2029-12-16

Abstract

The utility model relates to a water pump technical field just discloses a water pump that leakproofness is good, the on-line screen storage device comprises a base, the left side fixedly connected with pump body of base upper surface, the right flank fixedly connected with motor of the pump body, the left surface of motor rotates and is connected with the motor shaft, the left end of motor shaft passes the right flank of the pump body and cup joints with first solid fixed ring, the left end of motor shaft has cup jointed the impeller. This water pump that leakproofness is good, through sealed chamber, separate the motor with the pump body, prevent that water pressure from too big dipping motor, sealed, the effect of buffering has been played, the inside wet separation futilely of water pump has been realized, the gasket, the pipe, the notch cuttype sealing ring, sealing washer and seal baffle cooperation, the sealed effect of motor shaft has been guaranteed, prevented that rivers from passing through the motor shaft and dipping the motor, avoid the motor short circuit that wets, the operating mass is guaranteed, seal groove and sealing ring cooperation, further strengthened the sealing to the motor shaft, the service life of water pump has been prolonged.

Description

Water pump that leakproofness is good

Technical Field

The utility model relates to a water pump technical field specifically is a water pump that leakproofness is good.

Background

Nowadays, with the progress of science and technology and the development of economy, people irrigate daily and transport water early to distinguish the era of manual labor force, the invention of a water pump brings great convenience to people, and the water pump is a machine for conveying liquid or pressurizing liquid; a water pump on the market at present is configured from a pump housing having a pump chamber therein, a drive shaft made of synthetic resin rotatably supported in the pump chamber, a pulley made of synthetic resin integrally coupled to one end portion of the drive shaft via a flange wall, a ball bearing provided on an inner peripheral side of the pulley via a cylindrical metal insert, an impeller provided integrally rotatably on the other end side of the drive shaft, and a mechanical seal provided between the impeller and the pulley; the water pump in the prior art has pressure during working, so that the water pump is very easy to immerse into the motor through the joint of the motor shaft and the pump shaft during water absorption, the motor is poor in contact and cannot work normally, the service life of the motor is greatly shortened, and people can use the water pump very much.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a water pump that leakproofness is good has solved prior art's water pump and has had pressure at the during operation for in soaking the motor through motor shaft and pump shaft junction very easily when absorbing water, lead to motor contact failure, unable normal work, the life of the motor that significantly reduces gives people daily use and has taken very big numb vexed problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a water pump with good sealing performance comprises a base, wherein a pump body is fixedly connected to the left side of the upper surface of the base, a motor is fixedly connected to the right side face of the pump body, a motor shaft is rotatably connected to the left side face of the motor, the left end of the motor shaft penetrates through the right side face of the pump body and is sleeved with a first fixing ring, an impeller is sleeved at the left end of the motor shaft and is positioned on the right side of the first fixing ring, a second fixing ring is fixedly connected to the right side face of the impeller, a sealing cavity is formed in the inner right side wall of the pump body, a sealing baffle is fixedly connected to the inner portion of the sealing cavity, a sealing groove is formed in the inner wall of the sealing baffle, a bearing is sleeved at the left end of the motor shaft, a stepped sealing ring is arranged on the left side of the bearing, the inner portion of, the sealing washer has been cup jointed in the left side of notch cuttype sealing ring surface, the left side of notch cuttype sealing ring is provided with the gasket, the inside and the motor shaft of gasket cup joint, the pipe has been cup jointed to the surface of gasket, the top intercommunication of pump body left surface has the inlet opening, the inside right side of inlet opening is provided with the filter screen, the middle part intercommunication of pump body upper surface has the apopore.

Preferably, the sealing ring is made of butadiene-acrylonitrile rubber, and the inner diameter of the sealing ring is the same as the outer diameter of the stepped sealing ring.

Preferably, the number of the sealing pieces is three, and the three sealing pieces are uniformly distributed in the circular tube.

Preferably, the top angle of the left side of the outer surface of the stepped sealing ring is ninety degrees, and the stepped sealing ring is positioned inside the sealing baffle.

Preferably, the inside of seal groove is provided with anti-skidding line, and the height of seal groove and the half looks adaptation of sealing ring height.

Preferably, the filter screen is plain woven, the filter screen is in the shape of a honeycomb grid, and the aperture of the filter screen is two hundred microns.

(III) advantageous effects

Compared with the prior art, the utility model provides a water pump that leakproofness is good possesses following beneficial effect:

1. this water pump that leakproofness is good, through sealed chamber, separate the motor with the pump body, prevent that water pressure from too big dipping motor, sealed, the effect of buffering has been played, the inside wet separation futilely of water pump has been realized, the gasket, the pipe, the notch cuttype sealing ring, sealing washer and seal baffle cooperation, the sealed effect of motor shaft has been guaranteed, prevented that rivers from passing through the motor shaft and dipping the motor, avoid the motor short circuit that wets, the operating mass is guaranteed, seal groove and sealing ring cooperation, further strengthened the sealing to the motor shaft, the service life of water pump has been prolonged.

2. This water pump that leakproofness is good through installing the filter screen at the inlet opening, has realized the filtration to water, prevents because other impurity get into the pump body, causes destruction to the inside impeller of pump body, has guaranteed the effect and the work efficiency of work, has also prolonged the life of water pump simultaneously, has reduced economic loss.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the pump body structure of the present invention;

fig. 3 is an enlarged schematic view of the structure at a position a of the present invention.

In the figure: 1. a base; 2. a pump body; 3. a motor; 4. a motor shaft; 5. a first retaining ring; 6. an impeller; 7. a second retaining ring; 8. sealing the cavity; 9. sealing the sheet; 10. a circular tube; 11. a stepped seal ring; 12. a seal ring; 13. a sealing groove; 14. sealing the baffle; 15. a bearing; 16. a water inlet hole; 17. a filter screen; 18. a water outlet hole; 19. and (5) sealing rings.

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. 1-3, the present invention provides a technical solution: a water pump with good sealing performance comprises a base 1, a pump body 2 is fixedly connected to the left side of the upper surface of the base 1, a motor 3 is fixedly connected to the right side surface of the pump body 2, a motor shaft 4 is rotatably connected to the left side surface of the motor 3, the left end of the motor shaft 4 penetrates through the right side surface of the pump body 2 and is sleeved with a first fixing ring 5, an impeller 6 is sleeved at the left end of the motor shaft 4 and is positioned on the right side of the first fixing ring 5, a second fixing ring 7 is fixedly connected to the right side surface of the impeller 6, a sealing cavity 8 is formed in the inner right side wall of the pump body 2, a sealing baffle 14 is fixedly connected to the inner part of the sealing cavity 8, a sealing groove 13 is formed in the inner wall of the sealing baffle 14, anti-skid grains are arranged in the sealing groove 13, the height of the sealing groove 13 is matched with one half of the height of the sealing, the left side of the bearing 15 is provided with a stepped sealing ring 11, the top angle on the left side of the outer surface of the stepped sealing ring 11 is ninety degrees, the stepped sealing ring 11 is positioned inside a sealing baffle plate 14, the sealing effect of a motor shaft 4 is ensured, water flow is prevented from immersing a motor 3 through the motor shaft 4, the motor 3 is prevented from being affected with damp and short circuit, the working quality is ensured, the inside of the stepped sealing ring 11 is spliced with the outer surface of the motor shaft 4, the outer surface of the stepped sealing ring 11 is sleeved with a sealing ring 12, the sealing ring 12 is made of butadiene-acrylonitrile rubber, the inner diameter of the sealing ring 12 is the same as the outer diameter of the stepped sealing ring 11, the sealing to the motor shaft 4 is enhanced, the service life of the water pump is prolonged, the working effect is improved, the sealing ring 19 is sleeved on the left side of the outer surface of, three group's gasket 9 evenly distributed is in the inside of pipe 10, the infiltration of water has been blockked, the sealed effect of motor shaft 4 has been guaranteed, the life of water pump has been prolonged, the inside and the motor shaft 4 of gasket 9 cup joint, the pipe 10 has been cup jointed to the surface of gasket 9, the top intercommunication of the 2 left surface of the pump body has inlet opening 16, the inside right side of inlet opening 16 is provided with filter screen 17, filter screen 17 is plain weave, filter screen 17's shape is cellular net, the aperture of filter screen 17 is two hundred microns, the filtration to water has been realized, prevent because other impurity get into the pump body 2, cause destruction to the impeller 6 of the 2 inside of the pump body, the effect and the work efficiency of work have been guaranteed, the life of water pump has also been prolonged simultaneously, economic loss is reduced, the middle part intercommunication of the 2 upper surfaces of the pump.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the water pump is used, the motor 3 is controlled to be started, the motor shaft 4 is rotated to drive the impeller 6 to rotate, pressure difference is realized in the pump body 2 through rotation of the impeller 6, water enters the pump body 2 from the water inlet hole 16 and flows out from the water outlet hole 18, water pressure in the pump body 2 is increased along with rise of a lift, the water enters from a gap between the motor shaft 4 and the pump body 2, after the water enters the sealing cavity 8, the sealing sheet 9 and the circular pipe 10 can prevent the water from entering the motor 3, after the water enters a certain amount, the first reseal fails, the water can continuously enter the motor 3, after the second reseal, the water is difficult to enter the motor 3 through dislocation of the stepped sealing ring 11 and the sealing ring 19, the sealing ring 12 on the stepped sealing ring 11 and the sealing groove 13 of the sealing baffle 14 can make the water more difficult to enter the motor 3, the sealing cavity 8 is further provided with a layer of the sealing baffle 14, the effect of sealing the motor shaft 4 is achieved, water is blocked outside the motor 3 through multiple sealing, and the sealing performance of the motor is guaranteed.

In conclusion, this water pump that leakproofness is good, through sealed chamber 8, separate motor 3 and the pump body 2, prevent that water pressure from too big dipping motor 3, sealed, the effect of buffering has been played, the inside wet-dry separation of water pump has been realized, gasket 9, pipe 10, notch cuttype sealing ring 11, sealing washer 19 and seal baffle 14 cooperation, the sealed effect of motor shaft 4 has been guaranteed, rivers have been prevented to soak motor 3 through motor shaft 4, avoid motor 3 to wet the short circuit, the operating mass has been guaranteed, seal groove 13 and sealing ring 12 cooperation, further strengthened the sealed to motor shaft 4, the life of water pump has been prolonged.

This water pump that leakproofness is good through at 16 installation filter screens 17 of inlet opening, has realized the filtration to water, prevents because other impurity get into the pump body, causes destruction to the impeller 6 of 2 inside pump bodies, has guaranteed the effect and the work efficiency of work, has also prolonged the life of water pump simultaneously, has reduced economic loss.

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. The utility model provides a water pump that leakproofness is good, includes base (1), its characterized in that: the left side of the upper surface of the base (1) is fixedly connected with a pump body (2), the right side surface of the pump body (2) is fixedly connected with a motor (3), the left side surface of the motor (3) is rotatably connected with a motor shaft (4), the left end of the motor shaft (4) penetrates through the right side surface of the pump body (2) and is sleeved with a first fixing ring (5), the left end of the motor shaft (4) is sleeved with an impeller (6), the impeller (6) is positioned on the right side of the first fixing ring (5), the right side surface of the impeller (6) is fixedly connected with a second fixing ring (7), the inner right side wall of the pump body (2) is provided with a sealing cavity (8), the inside of the sealing cavity (8) is fixedly connected with a sealing baffle plate (14), the inner wall of the sealing baffle plate (14) is provided with a sealing groove (13), the left end of the motor shaft, the left side of bearing (15) is provided with notch cuttype sealing ring (11), the inside of notch cuttype sealing ring (11) is pegged graft with the surface of motor shaft (4), sealing ring (12) have been cup jointed to notch cuttype sealing ring (11) surface, sealing washer (19) have been cup jointed in the left side of notch cuttype sealing ring (11), the left side of notch cuttype sealing ring (11) is provided with gasket (9), the inside and motor shaft (4) of gasket (9) cup joint, pipe (10) have been cup jointed to the surface of gasket (9), the top intercommunication of the pump body (2) left surface has inlet opening (16), the right side of inlet opening (16) inside is provided with filter screen (17), the middle part intercommunication of the pump body (2) upper surface has apopore (18).

2. The water pump of claim 1, wherein: the sealing ring (12) is made of butadiene-acrylonitrile rubber, and the inner diameter of the sealing ring (12) is the same as the outer diameter of the stepped sealing ring (11).

3. The water pump of claim 1, wherein: the quantity of sealing pieces (9) is three groups, and three groups of sealing pieces (9) are uniformly distributed in the circular tube (10).

4. The water pump of claim 1, wherein: the top angle of the left side of the outer surface of the stepped sealing ring (11) is ninety degrees, and the stepped sealing ring (11) is positioned inside the sealing baffle plate (14).

5. The water pump of claim 1, wherein: the inside of seal groove (13) is provided with anti-skidding line, and the height of seal groove (13) and half looks adaptation of sealing ring (12) height.

6. The water pump of claim 1, wherein: the filter screen (17) is woven in a plain weave mode, the filter screen (17) is in a honeycomb grid shape, and the aperture of the filter screen (17) is two hundred microns.