CN220015504U

CN220015504U - Vertical multistage pipeline pump

Info

Publication number: CN220015504U
Application number: CN202321270362.3U
Authority: CN
Inventors: 杨海华; 周志民
Original assignee: Jiangsu Xingzhu Hongye New Material Co ltd
Current assignee: Jiangsu Xingzhu Hongye New Material Co ltd
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2023-11-14
Anticipated expiration: 2033-05-23

Abstract

The utility model discloses a vertical multistage pipeline pump which comprises a motor, wherein a connecting seat is arranged at the bottom of the motor through a bolt, a coupler is arranged at the bottom of the motor, the coupler is arranged at the inner side of the connecting seat, an impeller shaft is arranged at the bottom of the coupler in a penetrating way through the connecting seat, an impeller is arranged on the outer surface of the impeller shaft, a barrel is arranged at the bottom of the connecting seat, a limit groove is formed in the inner side of the barrel, a limit block is movably arranged in the limit groove, an impeller blocking sleeve is arranged at one side of the limit block, and the impeller is positioned at the inner side of the impeller blocking sleeve. According to the utility model, the limiting block and the limiting groove are arranged, the impeller retaining sleeve is fixed in the limiting groove through the limiting block, and cannot rotate along with the increase of pressure, so that the energy loss is reduced, and the impeller shaft sleeve is movably connected with the cylinder body, so that the impeller retaining sleeve is convenient to detach.

Description

Vertical multistage pipeline pump

Technical Field

The utility model relates to the technical field of vertical multistage pipeline pumps, in particular to a vertical multistage pipeline pump.

Background

The single-stage pump consists of a single impeller, so the multi-stage pump is a pump consisting of two or more impellers, the multi-stage pump is a centrifugal pump which is composed of a water inlet section and a water outlet section and a middle section and is combined together through a pull rod, the output water pressure of the multi-stage pump can be very high, and the centrifugal force is obtained by means of rotation of the impellers, so that materials are pumped out when the gas density reaches the working range of a mechanical vacuum pump, high vacuum is gradually obtained, and the impellers are the core part of the multi-stage pump.

When the multistage pipeline pump is used, liquid is subjected to pressure and speed increase under the action of the blades, so that the impeller retaining sleeve connected with the blades rotates along with the pressure increase, energy loss is generated during energy transfer, the structures are mutually fixed during disassembly and maintenance, and the connecting structure is not easy to disassemble.

Disclosure of Invention

The utility model aims to provide a vertical multistage pipeline pump, which aims to solve the technical problem that the structure between structures is fixed and is not easy to disassemble and maintain.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a vertical multistage pipeline pump, includes the motor, the connecting seat is installed through the bolt to the bottom of motor, the shaft coupling is installed to the bottom of motor, the inboard at the connecting seat is installed to the shaft coupling, the impeller shaft is installed to the bottom through-connection seat of shaft coupling, the surface mounting of impeller shaft has the impeller, the barrel is installed to the bottom of connecting seat, the spacing groove has been seted up to the inboard of barrel, the inboard movable mounting of spacing groove has the stopper, the impeller fender cover is installed to one side of stopper, and the impeller is located the inboard of impeller fender cover.

Preferably, seal grooves with different sizes are formed in the top and the bottom of the impeller retaining sleeve, positioning blocks are mounted on the top and the bottom of the impeller retaining sleeve and are mutually embedded with the seal grooves, and a rubber gasket is mounted at one end, far away from the She Lundang sleeve, of each positioning block.

Preferably, the pump body is installed to the bottom of barrel, the axle sleeve is installed to the inboard of the pump body, and the bottom of impeller axle runs through the pump body and installs the inboard at the axle sleeve, the connecting pipe is installed to the both sides of the pump body, the flange is installed to the one end that the connecting pipe kept away from the pump body, a set of the water inlet is installed to one side of the pump body, another set of the delivery port is installed to one side of the pump body.

Preferably, the inside of connecting seat is installed through the screw thread and is run through the tie bolt, and the top at the pump body is installed to the bottom of tie bolt, the top surface of tie bolt is installed the nut through the screw thread.

Preferably, a sealing ring is arranged on the inner side of the connecting flange.

Preferably, a buffer is installed at the bottom of the pump body, and a bottom plate is installed at the bottom of the buffer.

Preferably, the surface of the impeller shaft is provided with pin grooves.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the limiting block and the limiting groove are arranged, the output end of the motor is connected with the impeller shaft through the coupler, the outer surface of the impeller shaft is connected with the impeller shaft through the hub, the limiting groove is formed in the inner side of the barrel, the limiting block is movably connected with the limiting block in the limiting groove, the limiting block is embedded in the limiting groove, and the limiting block is arranged on the outer surface of the She Lundang sleeve, so that the impeller retaining sleeve is fixed in the limiting groove through the limiting block, cannot rotate along with pressure increase, energy loss is reduced, and the impeller shaft sleeve is movably connected with the barrel, so that the impeller retaining sleeve is convenient to detach.

2. According to the utility model, the rubber gasket and the sealing groove are arranged, so that the multistage pump is easy to leak water when in use, more impellers are used, the sealing effect of the multistage pump is difficult to control, the multistage pump is easy to leak, the sealing grooves are formed in the top and the bottom of the impeller retaining sleeve, the positioning blocks are arranged at the top and the bottom, the rubber gasket is arranged at one end of the positioning block, which is far away from the She Lundang sleeve, and the rubber gasket is embedded in the sealing groove along with the positioning blocks, so that the tightness is improved, and the multistage pump is not easy to leak when in use.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic view of a cylinder structure according to the present utility model;

FIG. 4 is a schematic view of the seal groove and locating block structure of the present utility model;

fig. 5 is a schematic view of the structure of the connecting flange of the present utility model.

In the figure: 1. a motor; 2. a coupling; 3. a connecting seat; 4. tensioning a bolt; 5. a cylinder; 6. a pump body; 7. a connecting flange; 8. a seal ring; 9. a buffer; 10. a bottom plate; 11. an impeller; 12. she Lundang sleeve; 13. an impeller shaft; 14. a limiting block; 15. sealing grooves; 16. a positioning block; 17. a rubber gasket; 18. a nut; 19. a limit groove; 20. a connecting pipe; 21. a pin slot; 22. a shaft sleeve; 23. a water inlet; 24. and a water outlet.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, 2, 3, 4 and 5, the present utility model provides an embodiment: a vertical multi-stage pipeline pump comprises a motor 1, wherein a connecting seat 3 is arranged at the bottom of the motor 1 through bolts, the connecting seat 3 is used for supporting the bottom of the motor 1, a coupler 2 is arranged at the bottom of the motor 1, the coupler 2 is arranged at the inner side of the connecting seat 3, the bottom of the motor 1 is connected with the coupler 2 through a shaft arranged at an output end, the coupler 2 is a device for connecting two shafts or shafts and a rotating member to rotate together in the process of transmitting motion and power, the device is sometimes used as a safety device for preventing the connected parts from bearing excessive load to play the role of overload protection, an impeller shaft 13 is arranged at the bottom of the coupler 2 penetrating through the connecting seat 3, the coupler 2 is connected with the top of the impeller shaft 13, the impeller shaft 13 rotates under the action of the motor 1, an impeller 11 is arranged on the outer surface of the impeller shaft 13, the impeller 11 converts mechanical energy of a prime motor into static pressure energy and dynamic pressure energy of working fluid, the impeller 11 rotates under the drive of the impeller shaft 13 to drive the liquid to rotate, the liquid is thrown out along the radial direction, centrifugal force generated by rotation of the impeller 11 enables the liquid to obtain kinetic energy, a cylinder 5 is arranged at the bottom of the connecting seat 3, the cylinder 5 is used for fixing a multistage pump consisting of a plurality of groups of impellers 11, the pump consisting of the single impeller 11 is a single-stage pump, the multistage pump consists of a plurality of impellers 11, the inner side of the cylinder 5 is provided with a limit groove 19, the limit groove 19 is arranged at the inner side of the cylinder 5, the inner side of the limit groove 19 is movably provided with a limit block 14, the limit block 14 is movably arranged in the limit groove 19, one side of the limit block 14 is provided with a impeller sleeve 12, the impeller sleeve 12 is positioned at the inner side of the She Lundang sleeve 12, and the outer surface of the impeller sleeve 12 is provided with the limit block 14, through stopper 14 and spacing groove 19 gomphosis each other for impeller fender cover 12 is fixed in the inboard of barrel 5, spacing groove 19 and stopper 14 swing joint, and when making the dismantlement, it is simpler and more convenient when separating with barrel 5, because stopper 14 card is in spacing groove 19, when making the pump drive liquid in the impeller 11 rotation when the during operation produce centrifugal force effect, impeller fender cover 12 can not be carried by impeller 11 and rotate along with the increase of centrifugal force, makes the energy consumption increase, the surface of impeller shaft 13 has seted up cotter way 21, and the inside of cotter way 21 is provided with the cotter key corresponding with impeller 11, is convenient for fix impeller 11 at the surface of impeller shaft 13.

The top and the bottom of impeller fender cover 12 have seted up the seal groove 15 of equidimension not, locating piece 16 is installed to the top and the bottom of impeller fender cover 12, locating piece 16 and seal groove 15 gomphosis each other, and locating piece 16 is installed in seal groove 15, rubber packing ring 17 is installed to the one end that She Lundang cover 12 was kept away from to locating piece 16, and when the rubber packing ring 17 of installing on the locating piece 16 made locating piece 16 install in seal groove 15, can laminate closely, can increase the leakproofness when making multiunit She Lundang cover 12 install together, and mechanical seal and packing ring seal combine together, make the probability of vertical multistage pipeline pump reduce the liquid seepage when using.

The bottom of the cylinder 5 is provided with a pump body 6, the inner side of the pump body 6 is provided with a shaft sleeve 22, the bottom of an impeller shaft 13 penetrates through the pump body 6 and is arranged on the inner side of the shaft sleeve 22, the impeller shaft 13 can move on the inner side of the shaft sleeve 22, the shaft sleeve 22 is used for fixing the relative position of the impeller shaft 13, one group of the pump body 6 is provided with a water inlet 23, the water inlet 23 is connected with a water inlet device, liquid needing to be transported by a vertical multistage pipeline pump enters the device, the other group of the pump body 6 is provided with a water outlet 24, the water outlet 24 enables liquid after being pressurized by the impeller 11 to flow out of the water outlet 24, two sides of the pump body 6 are provided with connecting pipes 20, the connecting pipes 20 are arranged on two sides of the pump body 6 and serve as the connecting effect of the water inlet 23 and the water outlet 24, one end of each connecting pipe 20, which is far away from the pump body 6, is provided with a connecting flange 7, the inner side of the connecting flange 7 is provided with a mounting hole for connecting water inlet and a water outlet device, the inner side of the connecting flange 7 is provided with a sealing ring 8, the sealing ring 8 enables the connecting position to be sealed, leakage of liquid is reduced, the bottom of the pump body 6 is provided with a buffer 9, the buffer 9 is arranged at the bottom of the buffer 6, and the buffer 6 is arranged at the bottom of the pump body 6, when the buffer 6 is arranged at the bottom of the pump body 6, the pump body 10 is provided with the bottom of the pump body 10, and the pump body 10 is kept at the bottom, when the pump body is fixed, and the pump body 10 is in the pump body is in the working, and the bottom is stable, and when the pump body is under the pump is in the pump is under the working, and the pump is under the condition.

The inside of connecting seat 3 is run through the screw thread and is installed tie bolt 4, and tie bolt 4 makes the gap between multiunit impeller 11 of installing in the barrel 5 reduce, increases the leakproofness of impeller 11, makes liquid reduce the seepage in the motion process, and the top at pump body 6 is installed to the bottom of tie bolt 4, and the top of tie bolt 4 runs through the inboard of installing at connecting seat 3, and the bottom is installed at the top of pump body 6, the top surface of tie bolt 4 is installed through the screw thread and is had nut 18, and nut 18 is used for fixing tie bolt 4, makes connecting seat 3 and pump body 6 be connected inseparabler through nut 18.

Working principle: when the vertical type centrifugal pump is used, a user connects a liquid outflow pipeline to a water inlet 23 through a connecting flange 7, a water outlet 24 is connected with an opposite water outlet pipeline, liquid flows in through the water inlet 23, after the motor 1 is started, liquid flows to the impeller 11 along with centrifugal force generated by rotation of the impeller 11, the liquid is in the impeller retaining sleeve 12, the liquid is driven to rotate along with pressure generated by rotation of the impeller 11, the liquid is thrown out along the radial direction, the centrifugal force generated by rotation of the impeller 11 enables the liquid to obtain kinetic energy, a limiting block 14 is mounted on the outer surface of the impeller retaining sleeve 12, the limiting block 14 is mutually embedded with a limiting groove 19, the impeller retaining sleeve 12 is fixed on the inner side of the cylinder 5, the limiting groove 19 is movably connected with the limiting block 14, so that the vertical type centrifugal pump is simpler and more convenient to detach from the cylinder 5, because the limiting block 14 is clamped in the limiting groove 19, the impeller retaining sleeve 12 cannot be driven to rotate along with the increase of the centrifugal force when the pump is driven to rotate in the impeller 11 during operation, the energy loss is increased, when the positioning block 16 is mounted in the sealing groove 15, the plurality of groups of the positioning blocks 12 can be tightly adhered, and the sealing performance of the vertical type pump can be reduced when the sealing gasket is mounted together, and the sealing probability of the vertical type pump can be combined with the sealing mechanism.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. Vertical multistage pipeline pump, including motor (1), its characterized in that: the utility model discloses a motor, including motor (1), coupling (2), impeller shaft (13), barrel (5) are installed to the bottom of motor (1), coupling (2) are installed through the bolt to the bottom of motor (1), coupling (2) are installed in the inboard of coupling (3), impeller shaft (13) are installed in the bottom of coupling (2) run through coupling (3), impeller (11) are installed to the surface of impeller shaft (13), barrel (5) are installed to the bottom of coupling (3), spacing groove (19) have been seted up to the inboard of barrel (5), spacing groove (19) inboard movable mounting has stopper (14), impeller housing (12) are installed to one side of stopper (14), and impeller (11) are located the inboard of She Lundang cover (12).

2. A vertical multistage tube pump according to claim 1, wherein: sealing grooves (15) with different sizes are formed in the top and the bottom of the impeller retaining sleeve (12), positioning blocks (16) are arranged at the top and the bottom of the impeller retaining sleeve (12), the positioning blocks (16) are mutually embedded with the sealing grooves (15), and rubber gaskets (17) are arranged at one ends, far away from the She Lundang sleeves (12), of the positioning blocks (16).

3. A vertical multistage tube pump according to claim 1, wherein: the pump body (6) is installed to the bottom of barrel (5), axle sleeve (22) is installed to the inboard of pump body (6), and the bottom of impeller axle (13) runs through pump body (6) and installs the inboard at axle sleeve (22), connecting pipe (20) are installed to the both sides of pump body (6), flange (7) are installed to one end that pump body (6) were kept away from to connecting pipe (20), and water inlet (23) are installed to one side of a set of pump body (6), and delivery port (24) are installed to one side of another set of pump body (6).

4. A vertical multistage tube pump according to claim 1, wherein: the inside of connecting seat (3) is through threaded through installing tie bolt (4), and the top at the pump body (6) is installed to the bottom of tie bolt (4), the top surface of tie bolt (4) is through threaded installation nut (18).

5. A vertical multistage tube pump according to claim 3, wherein: and a sealing ring (8) is arranged on the inner side of the connecting flange (7).

6. A vertical multistage tube pump according to claim 3, wherein: the bottom of the pump body (6) is provided with a buffer (9), and the bottom of the buffer (9) is provided with a bottom plate (10).

7. A vertical multistage tube pump according to claim 1, wherein: the surface of the impeller shaft (13) is provided with a pin groove (21).