CN214424758U - Impeller assembly for well pump - Google Patents

Abstract

The utility model discloses an impeller subassembly for well pump, which comprises a rotating shaft, the outside fixed surface of pivot is connected with the blade, the outside surface of pivot just is located the both sides fixedly connected with reference column of blade, fixed surface is connected with the holding ring around the reference column, the outside surface of pivot just is located the outside of reference column and is equipped with the rim plate, the inboard surface of rim plate is equipped with logical groove, left side the inboard fixed surface of rim plate is connected with the sleeve, the inboard surface of rim plate is opened there is the constant head tank, telescopic inside is equipped with fixing bolt and extends to the inside of pivot, the right-hand member outside threaded connection of pivot has the piece of screwing up. The utility model discloses, be equipped with the holding ring, utilize the holding ring to be connected with the cooperation of ring groove, make the installation rate faster, the installation effectiveness is higher, and the installation is more accurate, is difficult for appearing the error, utilizes the reference column simultaneously, makes difficult relative slip between rim plate and the blade.

Description

Impeller assembly for well pump

Technical Field

The utility model relates to an impeller subassembly technical field especially relates to an impeller subassembly for well pump.

Background

In the field of machining equipment, particularly, shot blasting equipment is involved, an impeller assembly is used, the impeller assembly mainly comprises an impeller disc, a plurality of blades mounted on the impeller disc and a main shaft used for driving the impeller disc to rotate at a high speed, the blades rotating at the high speed impact or beat steel shots and enable the steel shots to be ejected directionally, and the steel shots impact a surface to be treated to achieve the purpose of surface treatment. Most of blades on a fan impeller on the market at present adopt a mode that a through rib is gradually opened, the defects of high noise and large stress on the edge of each blade compared with the center of each blade exist, the performance and the service life of each blade are influenced, and the blades in an impeller assembly need to be frequently replaced due to the fact that the blades are worn parts, so that the blades and an impeller disc in the impeller assembly on the market are detachably mounted, the existing impeller assembly has the condition that the connection between the blades and the impeller disc is loose or not stable enough, and the phenomenon that follow-up blades drop or shift when rotating at high speed is easily caused to cause the failure of a shot blasting machine.

According to the national statistical data, the power consumption of the water pump products accounts for about 20% of the total power generation and 5% of the total oil consumption of the country. Therefore, the energy-saving technical work for strengthening the water pump industry becomes an important part of the energy-saving work of the current country. The impeller is a core component in the water pump and is also the only acting component in the pump body, the shape and the size of the impeller directly influence the working performance and the working efficiency of the pump, and the impeller is designed by considering that the displacement of blades and the friction of the surface are reduced as much as possible and ensuring that an impeller flow passage has enough length. So as to ensure the stability of liquid flow and the full action of the blades on the liquid, and if the impeller is not well designed, hydraulic loss and clearance loss are generated at the inlet and the blades of the water pump, so that the working efficiency is reduced.

The existing impeller assembly for the well pump is short in service life, blades and a wheel disc are easy to rotate relatively, the water pump cannot be used, the work of the well pump is not facilitated, and frequent maintenance is needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a shortcoming in order to solve exist among the prior art, and the impeller subassembly for well pump that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an impeller assembly for a well pump comprises a rotating shaft, wherein blades are fixedly connected to the outer side surface of the rotating shaft, positioning columns are fixedly connected to the outer side surface of the rotating shaft and positioned on two sides of the blades, and positioning rings are fixedly connected to the front surface and the rear surface of each positioning column;

the outside surface of pivot and the outside that is located the reference column are equipped with the rim plate, the inboard surface of rim plate is equipped with logical groove, left side the inboard fixed surface of rim plate is connected with the sleeve, the inboard surface of rim plate is opened there is the constant head tank, telescopic inside is equipped with fixing bolt and extends to the inside of pivot, the right-hand member outside threaded connection of pivot has the piece of screwing up.

As a further description of the above technical solution:

the blades are provided with a plurality of groups and are uniformly distributed, and the blades are made of alloy plates.

As a further description of the above technical solution:

grooves are formed in the inner side surface of the wheel disc and located on the front side and the rear side of the positioning groove.

As a further description of the above technical solution:

the inner wall fixedly connected with protection pad of recess, the inside wall of protection pad is opened there is the ring groove.

As a further description of the above technical solution:

the positioning column is connected with the positioning groove in a matched mode, and the positioning ring is connected with the circular groove in a matched mode.

As a further description of the above technical solution:

the tightening piece is movably connected with the wheel disc, and the outer side surface of the rotating shaft is provided with a hole.

As a further description of the above technical solution:

the length of the left end extension part of the rotating shaft is longer.

As a further description of the above technical solution:

the protection pad is made of a rubber sealing sleeve, and a through hole is formed in the sleeve.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this an impeller subassembly for well pump is equipped with the holding ring, utilizes the holding ring to be connected with the cooperation of ring groove, makes the installation rate faster, and installation effectiveness is higher, and the installation is more accurate, is difficult for appearing the error, utilizes the reference column simultaneously, makes difficult relative slip between rim plate and the blade.

2. Compared with the prior art, this an impeller subassembly for well pump is equipped with the protection pad, is difficult for appearing the damage between holding ring and the ring groove when making the cooperation, is favorable to protecting the use of subassembly.

3. Compared with the prior art, this an impeller subassembly for well pump is equipped with fixing bolt and tightening piece, makes the wheelset installation back, and stability is higher, and is difficult not hard up, makes the life of subassembly higher, sustainability use.

Drawings

Fig. 1 is a cross-sectional view of an impeller assembly for a well pump in accordance with the present invention;

fig. 2 is a front view of a vane structure of an impeller assembly for a well pump according to the present invention;

fig. 3 is a wheel disc perspective view of an impeller assembly for a well pump according to the present invention;

fig. 4 is a right side view of a wheel disc for an impeller assembly of a well pump in accordance with the present invention;

fig. 5 is a left side view of a vane of an impeller assembly for a well pump according to the present invention.

Illustration of the drawings:

1. a rotating shaft; 2. a sleeve; 3. fixing the bolt; 4. a blade; 5. a positioning ring; 6. a protection pad; 7. a groove; 8. tightening the fastening piece; 9. a wheel disc; 10. positioning a groove; 11. a through groove; 12. and a positioning column.

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.

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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides an impeller assembly for a well pump: the installation structure comprises a rotating shaft 1, blades 4 are fixedly connected to the outer side surface of the rotating shaft 1, multiple groups of blades 4 are uniformly distributed, the blades 4 are made of alloy plates, positioning columns 12 are fixedly connected to the outer side surface of the rotating shaft 1 and located on two sides of the blades 4, relative sliding between a wheel disc 9 and the blades 4 is not prone to occurring, positioning rings 5 are fixedly connected to the front and back surfaces of the positioning columns 12, and the positioning rings 5 are connected with circular ring grooves in a matched mode, so that the installation speed is higher, the installation efficiency is higher, the installation is more accurate, and errors are not prone to occurring;

the outside surface of pivot 1 and the outside that is located reference column 12 are equipped with rim plate 9, and the inboard surface of rim plate 9 is equipped with logical groove 11, and the inboard fixed surface of left side rim plate 9 is connected with sleeve 2, and open the inboard surface of rim plate 9 has constant head tank 10, and the inside of sleeve 2 is equipped with fixing bolt 3 and extends to the inside of pivot 1, and the right-hand member outside threaded connection of pivot 1 has tightening piece 8.

The inboard surface of rim plate 9 and the front and back side that is located constant head tank 10 are equipped with recess 7, the inner wall fixedly connected with protection pad 6 of recess 7, difficult appearance damage during the messenger cooperation between holding ring 5 and the ring groove, be favorable to the use of protection subassembly, the inside wall of protection pad 6 is opened there is the ring groove, reference column 12 is connected with constant head tank 10 cooperation, holding ring 5 is connected with the ring groove cooperation, screw up 8 and 9 swing joint of rim plate, the outside surface mounting hole of pivot 1, the left end extension's of pivot 1 length is longer, the material of protection pad 6 is rubber seal cover, the inside of sleeve 2 is equipped with the through-hole.

The working principle is as follows: cup joint left side rim plate 9 in the outside of pivot 1 and through reference column 12 and 5 location and the cooperation of blade 4 of holding ring, utilize holding ring 5 to be connected with the cooperation of ring groove, it is faster to make the installation effectiveness, the installation is more accurate, be difficult for appearing the error, it is fixed with sleeve 2 and pivot 1 through fixing bolt 3, cup joint right side rim plate 9 to the outside of pivot 1, and twist and move piece 8 of twisting, it is fixed with right side rim plate 9, make the wheelset installation back, stability is higher, it is difficult not hard up, make the life of subassembly higher, the sustainability is used, install to the well pump output and can use, it is difficult for appearing the damage between holding ring 5 and the ring groove when protection pad 6 makes the cooperation, be favorable to protecting the use of subassembly.

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 (8)

1. An impeller assembly for a well pump, comprising a rotating shaft (1), characterized in that: the outer side surface of the rotating shaft (1) is fixedly connected with a blade (4), positioning columns (12) are fixedly connected to the outer side surface of the rotating shaft (1) and located on two sides of the blade (4), and positioning rings (5) are fixedly connected to the front surface and the rear surface of each positioning column (12);

the outside surface of pivot (1) and the outside that is located reference column (12) are equipped with rim plate (9), the inboard surface of rim plate (9) is equipped with logical groove (11), the left side the inboard fixed surface of rim plate (9) is connected with sleeve (2), the inboard surface of rim plate (9) is opened there is constant head tank (10), the inside of sleeve (2) is equipped with fixing bolt (3) and extends to the inside of pivot (1), the right-hand member outside threaded connection of pivot (1) has wrong piece (8).

2. An impeller assembly for a well pump according to claim 1, wherein: the blades (4) are arranged in multiple groups and are uniformly distributed, and the blades (4) are made of alloy plates.

3. An impeller assembly for a well pump according to claim 1, wherein: grooves (7) are formed in the inner side surface of the wheel disc (9) and located on the front side and the rear side of the positioning groove (10).

4. An impeller assembly for a well pump according to claim 3, wherein: the inner wall fixedly connected with protection pad (6) of recess (7), the inside wall of protection pad (6) is opened there is the circular groove.

5. An impeller assembly for a well pump according to claim 1, wherein: the positioning column (12) is connected with the positioning groove (10) in a matched mode, and the positioning ring (5) is connected with the circular groove in a matched mode.

6. An impeller assembly for a well pump according to claim 1, wherein: the tightening piece (8) is movably connected with the wheel disc (9), and the outer side surface of the rotating shaft (1) is provided with a mounting hole.

7. An impeller assembly for a well pump according to claim 1, wherein: the left end extension part of the rotating shaft (1) is longer in length.

8. An impeller assembly for a well pump according to claim 4, wherein: the protection pad (6) is made of a rubber sealing sleeve, and a through hole is formed in the sleeve (2).

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