CN212130829U

CN212130829U - Double-body centrifugal chemical pump

Info

Publication number: CN212130829U
Application number: CN202020232903.3U
Authority: CN
Inventors: 李志超
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-12-11
Anticipated expiration: 2030-03-02

Abstract

The utility model discloses a binary centrifugal chemical pump, including driving motor, first pump storehouse and second pump storehouse, first pump storehouse is installed to driving motor one end. Has the advantages that: the utility model discloses an adopted first pump storehouse and second pump storehouse, in the in-process that uses, if need single pump storehouse work, driving motor drives the main shaft and rotates, the main shaft drives first impeller and rotates, thereby realize extraction work, when needs double pump storehouse during operation, cup joint the connecting cylinder in the first connector and the second connector outside, then connect the connector link through connecting bolt, thereby connect first connector and second connector, driving motor drives the countershaft rotation when main shaft pivoted, drive first impeller and second impeller and rotate simultaneously, thereby open when accomplishing double pump storehouse, the changeable use in double pump storehouse, satisfy different operating modes, and simultaneously, adopt a driving motor drive work, the space occupation has been reduced, for traditional double centrifugal pump, the space occupancy is lower.

Description

Double-body centrifugal chemical pump

Technical Field

The utility model relates to a centrifugal chemical pump technical field particularly, relates to a binary centrifugal chemical pump.

Background

The centrifugal pump is operated by utilizing the rotation of an impeller to make water generate centrifugal motion, before the water pump is started, a pump shell and a water suction pipe are filled with water, then a motor is started, a pump shaft drives the impeller and the water to perform high-speed rotation motion, the water generates centrifugal motion, is thrown to the outer edge of the impeller and flows into a water pressure pipeline of the water pump through a flow channel of a volute-shaped pump shell.

Traditional centrifugal pump adopts the form that single motor drove the single impeller, at the in-process of actual production, often need install a plurality of centrifugal pumps and just can satisfy the pumping work needs, and a large amount of centrifugal pumps have taken more installation space, lead to space utilization not high, can also further improve.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a binary centrifugation chemical industry pump possesses the advantage that freely switches pump storehouse quantity, space occupancy are low, and then solves the problem among the above-mentioned background art.

(II) technical scheme

For realizing the above-mentioned advantage that freely switch over pump storehouse quantity, space occupancy are low, the utility model discloses a concrete technical scheme as follows:

a double-body centrifugal chemical pump comprises a driving motor, a first pump bin and a second pump bin, wherein the first pump bin is installed at one end of the driving motor, the output end of the driving motor is connected with a main shaft, a first impeller is installed inside the first pump bin on the surface of the main shaft, the second pump bin is arranged below the first pump bin and fixedly connected with the first pump bin through a connecting rod, an auxiliary shaft penetrates through the top surface of the second pump bin and is connected with the top surface of the second pump bin, a second impeller is installed inside the second pump bin on the surface of the auxiliary shaft, the main shaft penetrates through the first pump bin and extends to the outer side of the first pump bin, the auxiliary shaft penetrates through the second pump bin and extends to the upper side of the second pump bin, a first connector is arranged at the other end of the main shaft, a second connector is arranged at the other end of the auxiliary shaft corresponding to the first connector, and the first connector is connected with the second.

Further, an inner cylinder groove is formed in the connecting cylinder, the cross section shape of the inner cylinder groove is identical to that of the first connector and the second connector, the connecting cylinder comprises two half cylinders, one side surfaces of the two half cylinders are hinged through hinges, the inner cylinder groove is a regular hexagon, a connecting buckle is welded on the surface of the other side of the connecting cylinder, the connecting buckle is distributed on the surfaces of the different half cylinders, and the connecting buckle is fixedly connected through a connecting bolt.

Further, a sealing bearing is arranged between the main shaft and the bottom surface of the first pump bin.

Further, a sealing bearing is also arranged between the auxiliary shaft and the top surface of the second pump chamber.

Furthermore, the first connector and the second connector are of the same structure, and the cross sections of the first connector and the second connector are both regular hexagons.

Further, the outer diameter of the connecting cylinder is smaller than the diameter of the main shaft, and the diameter of the main shaft is equal to the diameter of the auxiliary shaft.

(III) advantageous effects

Compared with the prior art, the utility model provides a binary centrifugation chemical industry pump possesses following beneficial effect:

the utility model discloses an adopted first pump storehouse and second pump storehouse, in the in-process that uses, if need single pump storehouse work, driving motor drives the main shaft and rotates, the main shaft drives first impeller and rotates, thereby realize extraction work, when needs double pump storehouse during operation, open the connecting cylinder, cup joint the connecting cylinder in the first connector and the second connector outside, then connect the connector link through connecting bolt, thereby connect first connector and second connector, driving motor drives the countershaft rotation of drive simultaneously of main shaft pivoted, drive first impeller and second impeller and rotate simultaneously, thereby open when accomplishing double pump storehouse, the changeable use in double pump storehouse, satisfy different operating modes, and simultaneously, adopt a driving motor drive work, the space occupation has been reduced, for traditional double centrifugal pump, the space occupancy is lower.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a double-body centrifugal chemical pump provided by the present invention;

figure 2 is a top view of the connector barrel of the present invention;

figure 3 is a front view of the connector of the present invention.

In the figure:

1. a drive motor; 2. a first pump chamber; 3. a first impeller; 4. a main shaft; 5. a connecting rod; 6. a second impeller; 7. a second pump chamber; 8. a counter shaft; 9. a connecting cylinder; 10. a first connector; 11. a second connector; 12. a hinge; 13. an inner cylinder groove; 14. a connecting buckle; 15. and connecting the bolts.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a binary centrifugation chemical industry pump.

Referring now to the drawings and the detailed description, as shown in fig. 1-3, a two-body centrifugal chemical pump according to an embodiment of the present invention comprises a driving motor 1, a first pump chamber 2 and a second pump chamber 7, the first pump chamber 2 is installed at one end of the driving motor 1, the driving motor 1 is of a common structure and will not be described herein, and the output end of the driving motor 1 is connected with a main shaft 4, the driving motor 1 drives the main shaft 4 to rotate, and a first impeller 3 is installed inside the first pump chamber 2 on the surface of the main shaft 4, the main shaft 4 rotates to drive the first impeller 3 to rotate, a second pump chamber 7 is installed below the first pump chamber 2, and the second pump chamber 7 is fixedly connected with the first pump chamber 2 through a connecting rod 5, the distance between the connecting rods 5 is greater than the maximum width of a human hand, a secondary shaft 8 is connected through the top surface of the second pump chamber 7, and a second impeller 6 is installed inside the secondary shaft 8 on the surface of the second pump chamber 7, the main shaft 4 penetrates through the first pump chamber 2 and extends to the outer side of the first pump chamber 2, the first pump chamber 2 and the second pump chamber 7 are of the same structure, the auxiliary shaft 8 penetrates through the second pump chamber 7 and extends to the upper side of the second pump chamber 7, the first connecting joint 10 is arranged at the other end of the main shaft 4, the second connecting joint 11 is arranged at the other end of the auxiliary shaft 8 corresponding to the first connecting joint 10, the first connecting joint 10 and the second connecting joint 11 are connected through a connecting cylinder 9, in the using process, if the single pump chamber is required to work, the driving motor 1 drives the main shaft 4 to rotate, the main shaft 4 drives the first impeller 3 to rotate, so that the pumping work is realized, when the double pump chambers are required to work, the first connecting joint 10 and the second connecting joint 11 are connected through the connecting cylinder 9, the driving motor 1 drives the main shaft 4 to rotate and simultaneously drives the auxiliary shaft 8 to rotate, and simultaneously drives the first impeller 3 and the second impeller 6 to, the double-pump bin can be switched to be used, different working conditions are met, meanwhile, the driving motor 1 is adopted to drive work, the occupied space is reduced, and the space occupancy rate is lower compared with the traditional double-centrifugal pump.

In one embodiment, the connecting cylinder 9 is internally provided with an inner cylinder groove 13, the cross-sectional shape of the inner cylinder groove 13 is the same as that of the first connecting head 10 and the second connecting head 11, the connecting cylinder 9 is composed of two half cylinders, one side surfaces of the two half cylinders are hinged through a hinge 12, the two half cylinders can be opened through the hinge 12, the inner cylinder groove 13 is in a regular hexagon shape, the other side surface of the connecting cylinder 9 is welded with a connecting buckle 14, the connecting buckles 14 are distributed on the surfaces of different half cylinders, the connecting buckle 14 is vertically centered, the connecting buckle 14 is fixedly connected through a connecting bolt 15, the surface of the connecting buckle 14 is provided with a threaded hole in threaded connection with the connecting bolt 15 in a penetrating way, when the first connecting head 10 and the second connecting head 11 are fixedly installed, the two half cylinders are opened and are sleeved on the surfaces of the first connecting head 10 and the second connecting head 11, so that the first connecting head 10 and the second connecting, then, the connecting bolt 15 is used to penetrate through the connecting buckle 14, and the nut is used for fixing, so that the connecting work can be completed.

In one embodiment, a sealing bearing is arranged between the main shaft 4 and the bottom surface of the first pump chamber 2, and meanwhile, a sealing bearing is also arranged between the auxiliary shaft 8 and the top surface of the second pump chamber 7, so that the tightness is ensured, and the water leakage phenomenon is avoided.

In one embodiment, the first connector 10 and the second connector 11 have the same structure, and the cross sections of the first connector 10 and the second connector 11 are regular hexagons, so as to facilitate the clamping with the connecting cylinder 9.

In one embodiment, the outer diameter of the connecting cylinder 9 is smaller than the diameter of the main shaft 4, the diameter of the main shaft 4 is equal to the diameter of the auxiliary shaft 8, and after the connecting cylinder 9 is clamped, the connecting cylinder cannot slide down due to the fact that the diameter of the connecting cylinder is smaller than the diameter of the main shaft 4 and the diameter of the auxiliary shaft 8, and connection is stable.

The working principle is as follows:

in the in-process that uses, if need single pump storehouse work, driving motor 1 drives main shaft 4 and rotates, main shaft 4 drives first impeller 3 and rotates, thereby realize the extraction work, when needs two pump storehouses during operation, connect first connector 10 and second connector 11 through connecting cylinder 9, driving motor 1 drives main shaft 4 pivoted and drives countershaft 8 simultaneously and rotates, drive first impeller 3 and second impeller 6 simultaneously and rotate, thereby open when accomplishing two pump storehouses, the changeable use in two pump storehouses, satisfy different operating modes, and simultaneously, adopt a driving motor 1 drive work, the space occupation has been reduced, for traditional two centrifugal pumps, the space occupancy is lower.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A double-body centrifugal chemical pump is characterized by comprising a driving motor (1), a first pump bin (2) and a second pump bin (7), wherein the first pump bin (2) is installed at one end of the driving motor (1), the output end of the driving motor (1) is connected with a main shaft (4), a first impeller (3) is installed on the surface of the main shaft (4) positioned inside the first pump bin (2), a second pump bin (7) is arranged below the first pump bin (2), the second pump bin (7) is fixedly connected with the first pump bin (2) through a connecting rod (5), a counter shaft (8) penetrates through the top surface of the second pump bin (7), a second impeller (6) is installed on the surface of the counter shaft (8) positioned inside the second pump bin (7), the main shaft (4) penetrates through the first pump bin (2) and extends to the outer side of the first pump bin (2), and the counter shaft (8) penetrates through the second pump bin (7) and extends to the upper side of the second pump bin (7), the other end of the main shaft (4) is provided with a first connector (10), the other end of the auxiliary shaft (8) is provided with a second connector (11) corresponding to the first connector (10), and the first connector (10) and the second connector (11) are connected through a connecting cylinder (9).

2. The double-body centrifugal chemical pump as claimed in claim 1, wherein an inner cylinder groove (13) is formed in the connecting cylinder (9), the cross-sectional shape of the inner cylinder groove (13) is the same as that of the first connector (10) and the second connector (11), the connecting cylinder (9) is composed of two half cylinders, one side surfaces of the two half cylinders are hinged through hinges (12), the inner cylinder groove (13) is regular hexagon, a connecting buckle (14) is welded on the other side surface of the connecting cylinder (9), the connecting buckles (14) are distributed on the surfaces of different half cylinders, and the connecting buckles (14) are fixedly connected through connecting bolts (15).

3. A double-body centrifugal chemical pump according to claim 1, characterized in that a sealing bearing is arranged between the main shaft (4) and the bottom surface of the first pump chamber (2).

4. A double-body centrifugal chemical pump according to claim 1, characterized in that a sealing bearing is also arranged between the auxiliary shaft (8) and the top surface of the second pump chamber (7).

5. The dual-body centrifugal chemical pump as claimed in claim 1, wherein the first connector (10) and the second connector (11) have the same structure, and the cross sections of the first connector (10) and the second connector (11) are regular hexagons.

6. A centrifugal chemical pump, according to claim 1, characterized in that said connecting cylinder (9) has an external diameter smaller than the diameter of the primary shaft (4), and the diameter of the primary shaft (4) is equal to the diameter of the secondary shaft (8).