CN210949273U

CN210949273U - Liquid guiding device for plastic pump

Info

Publication number: CN210949273U
Application number: CN201921884011.5U
Authority: CN
Inventors: 汪宗文
Original assignee: Suzhou Assen River Environmental Science Co ltd
Current assignee: Suzhou Assen River Environmental Science Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-07-07
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a liquid guider for plastic pump relates to the guider field, including the pump body, the water inlet has been seted up to one side of the pump body, and one side of water inlet is equipped with water conservancy diversion mechanism, and one side of water conservancy diversion mechanism is equipped with impeller subassembly, and water conservancy diversion mechanism includes two pivots, and the both ends of pivot are connected with the portion inner wall and the bottom inner wall activity interlude of the portion of the pump body respectively, and a set of spiral dogtooth has been cup jointed to the outside of pivot, and two relative epaxial spiral dogteeth meshing of pivot of position are connected, and the one end of one of them pivot is equipped with drive. The utility model relates to a liquid guider for plastic pump reduces the loss of water inlet liquid energy through water conservancy diversion mechanism, alleviates the pressure at the sealed position of the pump body, guarantees that liquid concentrates and flows according to the direction of direction, improves the efficiency that liquid flows, reduces the washing away of liquid to the inside spare part of the pump body, prolongs the life of the pump body.

Description

Liquid guiding device for plastic pump

Technical Field

The utility model relates to a liquid guider field, in particular to liquid guider for plastic pump.

Background

Before the plastic pump is started, the pump shell is filled with water (or the pump shell is filled with water), after the plastic pump is started, the impeller rotates at a high speed to enable the water in the impeller channel to flow to the volute, at the moment, the inlet forms vacuum, the water inlet check valve is opened, and the air in the suction pipe enters the pump and reaches the outer edge or the inlet of the impeller through the impeller channel. On the other hand, the water discharged into the gas-water separation chamber by the impeller flows back to the outer edge of the impeller through the left and right return water holes, the water flowing back from the left return water hole is jetted into the channel of the impeller under the action of pressure difference and gravity, is crushed by the impeller, is mixed with the air from the suction pipeline, is thrown to the volute, flows in the rotating direction, is then converged with the water flowing from the right return water hole, and flows along the volute.

The liquid continuously impacts the blade grid in the volute and is continuously crushed by the impeller, the liquid and the air are intensively stirred and mixed to generate a gas-water mixture, the gas-water mixture continuously flows to cause that the gas and the water cannot be separated, and the mixture is stripped by the baffle tongue at the outlet of the volute and enters the separation chamber along the short pipe. Air is separated out in the separator chamber, by the outlet pipe row, and water still flows to the impeller outer fringe through controlling return water hole, and mix with the suction tube air, so the circulation is repeated, will inhale the air in the pipeline and arrange to the greatest extent gradually, make water get into in the pump, accomplish from the absorption process, when the incessant relapse of liquid flows back and forth, can beat the wearing and tearing to the inside spare part of the pump body, the time has been of a specified duration and has easily caused the damage of spare part, the life of the pump body reduces, easily lead to the continuous loss of energy of water inlet liquid in addition, must improve the pressure at the sealed position of the pump body, just can reduce the seepage of liquid, lead to new problem to appear, make the efficiency of liquid flow reduce, liquid energy loss is more.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid guider for plastic pump to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a liquid guiding device for a plastic pump comprises a pump body, wherein a water inlet is formed in one side of the pump body, a flow guide mechanism is arranged on one side of the water inlet, and an impeller assembly is arranged on one side of the flow guide mechanism;

the water conservancy diversion mechanism includes two pivots, the both ends of pivot are connected with the portion inner wall of deciding of the pump body and bottom inner wall activity interlude respectively, a set of spiral dogtooth has been cup jointed to the outside of pivot, two that the position is relative spiral dogtooth meshing connection in the pivot, one of them the one end of pivot is equipped with drive mechanism.

Preferably, the other side of the flow guide mechanism is provided with a base plate, one side of the base plate is fixedly connected with the inner wall of the pump body, and the other side of the base plate is in contact with the side of the spiral convex teeth.

Preferably, the impeller assembly comprises an impeller, a pump shaft is fixedly arranged at one end of the impeller, and the pump shaft is movably inserted and connected with a through hole formed in the bottom of one side of the pump body.

Preferably, the outside cover of pump shaft is equipped with the sealing washer, the inner wall in through-hole is located to the sealing washer inlays, the one end of sealing washer is equipped with the clamp ring, the outside of pump shaft is located to the clamp ring cover.

Preferably, the spiral convex teeth are made of natural rubber.

Preferably, the bottom mounting of the pump body is equipped with the base, drive mechanism includes the motor, the output of motor and the one end fixed connection of one of them pivot, the top of base is located in the motor inlays.

Preferably, the motor is electrically connected with an external power supply through an external switch.

The utility model discloses a technological effect and advantage:

the utility model discloses a water conservancy diversion mechanism reduces the loss of water inlet liquid energy, alleviates the pressure at the sealed position of the pump body, guarantees that liquid concentrates and flows according to the direction of direction, improves the efficiency that liquid flows, reduces the washing away of liquid to the inside spare part of the pump body, prolongs the life of the pump body.

Drawings

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

fig. 2 is a schematic structural view of the flow guide mechanism of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the rotating shaft and the spiral teeth of the present invention.

In the figure: 1. a pump body; 2. a water inlet; 3. a base plate; 4. a rotating shaft; 5. a helical lobe; 6. a motor; 7. a base; 8. an impeller; 9. a pump shaft; 10. a compression ring; 11. 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.

The utility model provides a liquid guiding device for a plastic pump as shown in figures 1-3, which comprises a pump body 1, wherein one side of the pump body 1 is provided with a water inlet 2, one side of the water inlet 2 is provided with a flow guide mechanism, and one side of the flow guide mechanism is provided with an impeller component;

the diversion mechanism comprises two rotating shafts 4, two ends of each rotating shaft 4 are movably connected with the inner wall of the fixed part and the inner wall of the bottom part of the pump body 1 in an inserting way respectively, a group of spiral convex teeth 5 are sleeved outside the rotating shafts 4, the spiral convex teeth 5 on the two rotating shafts 4 which are opposite in position are connected in a meshing way, one end of one rotating shaft 4 is provided with a transmission mechanism, the spiral convex teeth 5 are made of natural rubber, the other side of the diversion mechanism is provided with a backing plate 3, one side of the backing plate 3 is fixedly connected with the inner wall of the pump body 1, the other side of the backing plate 3 is contacted with the lateral side of the spiral convex teeth 5, the spiral direction of one group of spiral convex teeth 5 on each rotating shaft 4 is opposite, the thread directions of the spiral convex teeth 5 on the two rotating shafts 4 which are opposite in position are mutually meshed, therefore, when the two rotating shafts 4 rotate, liquid at two ends of, reduce the loss of liquid energy, in addition, when spiral convex tooth 5 rotated propelling liquid, utilize backing plate 3 to reduce the efflux of liquid, guarantee that the liquid maximize from spiral convex tooth 5 entering by impelling, the seepage when spiral convex tooth 5 of natural rubber material reduces liquid and impels.

Impeller components includes impeller 8, and impeller 8's the fixed pump shaft 9 that is equipped with of one end, and pump shaft 9 is connected with the through-hole activity interlude that 1 one side bottom of the pump body was seted up, and the outside cover of pump shaft 9 is equipped with sealing washer 11, and sealing washer 11 inlays the inner wall of locating the through-hole, and the one end of sealing washer 11 is equipped with clamp ring 10, and the outside of pump shaft 9 is located to clamp ring 10 cover, extrudees sealing washer 11 through clamp ring 10, utilizes sealing washer 11 to play sealed effect to pump shaft 9.

The bottom mounting of the pump body 1 is equipped with base 7, and drive mechanism includes motor 6, and the output of motor 6 and the one end fixed connection of one of them pivot 4, motor 6 inlay the top of locating base 7, and motor 6 is through external switch and external power source electric connection.

This practical theory of operation:

during operation, the external switch of the motor 6 is turned on, the motor 6 drives one of the rotating shafts 4 to rotate, the spiral convex teeth 5 on one of the rotating shafts 4 are meshed with the spiral convex teeth 5 on the other rotating shaft 4, so that one of the rotating shafts 4 drives the other rotating shaft 4 to rotate relatively through the spiral convex teeth 5, liquid is intercepted between the two groups of spiral convex teeth 5 and is pushed along the direction of the rotating shaft 4, and then the liquid is extruded to the central part to be discharged to flow towards the impeller 8, the loss of liquid energy of the water inlet 2 is reduced, the pressure of the sealing part of the pump body 1 is reduced, the liquid flowing efficiency is improved, the scouring of the liquid on the parts in the pump body 1 is reduced, and the service life of the pump body.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A liquid guiding device for plastic pumps, comprising a pump body (1), characterized in that: a water inlet (2) is formed in one side of the pump body (1), a flow guide mechanism is arranged on one side of the water inlet (2), and an impeller assembly is arranged on one side of the flow guide mechanism;

the water conservancy diversion mechanism includes two pivot (4), the both ends of pivot (4) are connected with the portion inner wall of the pump body (1) and bottom inner wall activity interlude respectively, a set of spiral dogtooth (5) have been cup jointed to the outside of pivot (4), and the position is relative two spiral dogtooth (5) meshing connection on pivot (4), one of them the one end of pivot (4) is equipped with drive mechanism.

2. A liquid directing device for a plastic pump as defined in claim 1, wherein: the opposite side of water conservancy diversion mechanism is equipped with backing plate (3), the inner wall fixed connection of one side and the pump body (1) of backing plate (3), the opposite side of backing plate (3) contacts with the avris of spiral convex tooth (5).

3. A liquid directing device for a plastic pump as defined in claim 1, wherein: the impeller assembly comprises an impeller (8), a pump shaft (9) is fixedly arranged at one end of the impeller (8), and the pump shaft (9) is movably inserted and connected with a through hole formed in the bottom of one side of the pump body (1).

4. A liquid directing device for a plastic pump as defined in claim 3, wherein: the outside cover of pump shaft (9) is equipped with sealing washer (11), sealing washer (11) are inlayed and are located the inner wall of through-hole, the one end of sealing washer (11) is equipped with clamp ring (10), the outside of pump shaft (9) is located to clamp ring (10) cover.

5. A liquid directing device for a plastic pump as defined in claim 1, wherein: the spiral convex teeth (5) are made of natural rubber.

6. A liquid directing device for a plastic pump as defined in claim 1, wherein: the bottom mounting of the pump body (1) is equipped with base (7), drive mechanism includes motor (6), the output of motor (6) and the one end fixed connection of one of them pivot (4), motor (6) inlay the top of locating base (7).

7. A liquid directing device for a plastic pump as defined in claim 6, wherein: the motor (6) is electrically connected with an external power supply through an external switch.