CN219299539U

CN219299539U - Chemical process pump

Info

Publication number: CN219299539U
Application number: CN202320204835.3U
Authority: CN
Inventors: 朱玉兰; 焦伟轩; 蒋雨; 居杰; 李靖; 陈相; 卢小凤; 窦立波; 陆纪根
Original assignee: Jiangsu Yamei Pumps Group Co ltd
Current assignee: Jiangsu Yamei Pumps Group Co ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-07-04
Anticipated expiration: 2033-02-14

Abstract

The utility model discloses a chemical process pump, which comprises a bottom plate, wherein a motor is fixedly arranged on one side of the upper end of the bottom plate through a mounting seat, a pump body shell is fixedly arranged on one side of the upper end of the bottom plate, which is far away from the motor, through the mounting seat, a transmission shaft is movably arranged at the middle part of the inner side of the pump body shell through a bearing, an impeller is arranged in the pump body shell, the impeller shell is fixedly connected with the transmission shaft, a plurality of blades are uniformly and movably arranged around the inner side of the impeller shell through a rotating shaft, and a transmission mechanism is arranged between the middle part of the inner side of the impeller shell and the blades. The utility model has good use effect, and the transmission mechanism can drive the blades to rotate in the angle direction, so that the bending angle of the blades can be changed, and the device can be adapted to different media according to the needs.

Description

Chemical process pump

Technical Field

The utility model relates to the technical field of chemical pumps, in particular to a chemical process pump.

Background

In chemical or petrochemical production, the pump works under high temperature, low temperature or ultralow temperature, high pressure, inflammable, explosive and toxic strong corrosive medium, and the chemical flow pump can also work under high inlet pressure, high lift, high viscosity, small flow and high cavitation, and has very high requirement on the performance of the chemical pump, especially on corrosion resistance, no leakage and wear resistance.

The chemical pump in the prior art has various types, the pump body is various, such as a plastic pump, a glass pump, a ceramic pump, a graphite pump, a shielding pump, a magnetic pump and an impurity pump, impellers generating centrifugal force inside the pump body are various, the existing chemical process pump faces to different medium working condition demands, impellers with different blade bending forms are often required to work, the pump body impellers in the prior art are extremely difficult to replace, meanwhile, the blades inside the impellers are fixed, and the bending forms of the impellers are not required to be changed, so that the chemical process pump which is lack of a chemical process pump at present can freely change the chemical process pump with the complete forms of the impeller blades according to different transmission media.

Disclosure of Invention

The utility model aims to provide a chemical process pump which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a chemical process pump, includes the bottom plate, bottom plate upper end one side is provided with the motor through the mount pad is fixed, one side that the motor was kept away from to the bottom plate upper end is provided with pump body casing through the mount pad is fixed, the inboard middle part of pump body casing is provided with the transmission shaft through the bearing activity, the inside impeller that is provided with of pump body casing, fixed connection between impeller casing and the transmission shaft, the inside even activity of passing through the pivot all around of impeller casing is provided with a plurality of blades, be provided with drive mechanism between the inboard middle part of impeller casing and the blade.

Preferably, the transmission mechanism comprises a fixed rod, a screw rod, a rotating ring and a transmission rod, the fixed rod is fixedly arranged in the middle of the inner side of the impeller shell, the screw rod is arranged in the fixed rod through movable screwing of threads, the rotating ring is movably arranged in the middle of the outer side surface of the screw rod through a bearing, a plurality of transmission rods are uniformly and movably arranged on the outer side surface of the rotating ring through a rotating shaft, one end, close to a blade, of the transmission rod is movably connected with the blade through the rotating shaft, and the change of the bending angle of the blade can be conveniently pushed through the transmission mechanism.

Preferably, one end of the screw far away from the fixed rod is fixedly provided with a screwing block, and the screw can be conveniently rotated through the screwing block.

Preferably, a water inlet is formed in the middle of the surface of the impeller shell, water outlets are formed in the periphery of the outer side surface of the impeller shell, the water inlet can suck a medium, and the medium can be thrown out through the water outlets.

Preferably, the outer side surface of the pump body shell is provided with a connecting flange, and the pump body shell can be conveniently externally connected with other pipelines through the connecting flange.

Preferably, the output shaft end of the motor is in transmission connection with the transmission shaft through a coupler, and the transmission shaft and the impeller shell can be conveniently driven to rotate together through the motor.

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

when the bending angle of the blades can be changed according to the needs, the blades can be sleeved on the outer side surface of the screwing block from the water outlet through the sleeve, then the screw is rotated, the screw drives the rotating ring to move, and the blades can be driven to rotate around the rotating shaft through the transmission rod, so that the angles of the blades and the shape of the flow channels among the blades can be changed, and the device can spray different mediums according to the needs.

The angle of the whole blade is convenient to change when the device is used, the whole device is not required to be disassembled, and only the sleeve is required to be inserted into the water inlet to screw the screwing block.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a chemical process pump according to the present utility model;

FIG. 2 is a cross-sectional view of the whole structure of a chemical process pump according to the present utility model;

FIG. 3 is a view showing the overall structure of an impeller housing of a chemical process pump according to the present utility model;

fig. 4 is a cross-sectional view of a chemical process pump impeller housing of the present utility model.

In the figure: 1. a bottom plate; 2. a motor; 3. a pump body housing; 4. a transmission shaft; 5. an impeller; 6. a blade; 7. a fixed rod; 8. a screw; 9. a rotating ring; 10. a transmission rod; 11. twisting the block; 12. a water inlet; 13. and a water outlet.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a chemical process pump, includes bottom plate 1, bottom plate 1 upper end one side is provided with motor 2 through the mount pad is fixed, one side that motor 2 was kept away from to bottom plate 1 upper end is provided with pump body casing 3 through the mount pad is fixed, the inboard middle part of pump body casing 3 is provided with transmission shaft 4 through the bearing activity, pump body casing 3 inside is provided with impeller 5, fixed connection between impeller 5 casing and the transmission shaft 4, inside all around of impeller 5 casing is provided with a plurality of blades 6 through the even activity of pivot, be provided with drive mechanism between impeller 5 casing inboard middle part and the blade 6.

The transmission mechanism comprises a fixed rod 7, a screw rod 8, a rotating ring 9 and a transmission rod 10, wherein the fixed rod 7 is fixedly arranged in the middle of the inner side of the shell of the impeller 5, the screw rod 8 is movably screwed in the fixed rod 7 through threads, the rotating ring 9 is movably arranged in the middle of the outer side surface of the screw rod 8 through a bearing, a plurality of transmission rods 10 are uniformly and movably arranged on the outer side surface of the rotating ring 9 through a rotating shaft, one end, close to the blade 6, of the transmission rod 10 is movably connected with the blade 6 through the rotating shaft, and the change of the bending angle of the blade 6 can be conveniently pushed through the transmission mechanism;

a screwing block 11 is fixedly arranged at one end of the screw rod 8 far away from the fixed rod 7, and the screw rod 8 can be conveniently rotated through the screwing block 11;

the middle part of the shell surface of the impeller 5 is provided with a water inlet 12, the periphery of the outer side surface of the shell of the impeller 5 is provided with a water outlet 13, the water inlet 12 can suck a medium, and the medium can be thrown out through the water outlet 13;

the outer side surface of the pump body shell 3 is provided with a connecting flange, and the pump body shell 3 can be conveniently externally connected with other pipelines through the connecting flange;

the output shaft end of the motor 2 is in transmission connection with the transmission shaft 4 through a coupler, and the motor 2 can conveniently drive the transmission shaft 4 and the impeller 5 to rotate together.

Working principle: when the device is used, the motor 2 can conveniently drive the transmission shaft 4 and the impeller 5 shell to rotate together, then the medium can be thrown out through the water outlet 13 by centrifugal force, then negative pressure is formed in the impeller 5 shell, the medium can be sucked through the water inlet 12, when the bending angle of the blade 6 is changed according to the requirement when the device is used, the sleeve can be sleeved on the outer side surface of the screwing block 11 from the water outlet 13, then the screw rod 8 is rotated, the screw rod 8 drives the rotating ring 9 to move, the blade 6 can be driven to rotate around the rotating shaft through the transmission rod 10, the angle of the blade 6 and the shape of the flow channel among the blades 6 can be changed, the device can spray different mediums according to the requirement, the angle of the whole blade 6 is convenient to change when the device is used, the whole device is not required to be disassembled, and the whole blade 6 is only required to be inserted into the water inlet 12 through the sleeve, so that the working principle of the chemical flow pump is provided.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a chemical process pump, includes bottom plate (1), its characterized in that: the motor is fixedly arranged on one side of the upper end of the bottom plate (1) through a mounting seat, a pump body shell (3) is fixedly arranged on one side, far away from the motor (2), of the upper end of the bottom plate (1), a transmission shaft (4) is movably arranged in the middle of the inner side of the pump body shell (3) through a bearing, an impeller (5) is arranged in the pump body shell (3), the impeller (5) shell is fixedly connected with the transmission shaft (4), a plurality of blades (6) are uniformly and movably arranged on the periphery of the inner side of the impeller (5) shell through a rotating shaft, and a transmission mechanism is arranged between the middle of the inner side of the impeller (5) shell and the blades (6).

2. A chemical process pump according to claim 1, wherein: the transmission mechanism comprises a fixed rod (7), a screw rod (8), a rotating ring (9) and a transmission rod (10), wherein the fixed rod (7) is fixedly arranged in the middle of the inner side of a shell of the impeller (5), the screw rod (8) is arranged in the fixed rod (7) in a screwing mode through thread movement, the rotating ring (9) is movably arranged in the middle of the outer side surface of the screw rod (8) through a bearing, a plurality of transmission rods (10) are uniformly movably arranged on the outer side surface of the rotating ring (9) through a rotating shaft, and one end, close to the blade (6), of the transmission rod (10) is movably connected with the blade (6) through the rotating shaft.

3. A chemical process pump according to claim 2, wherein: one end of the screw rod (8) far away from the fixed rod (7) is fixedly provided with a screwing block (11).

4. A chemical process pump according to claim 1, wherein: the middle part of the shell surface of the impeller (5) is provided with a water inlet (12), and the periphery of the outer side surface of the shell of the impeller (5) is provided with water outlets (13).

5. A chemical process pump according to claim 1, wherein: the outer side surface of the pump body shell (3) is provided with a connecting flange.

6. A chemical process pump according to claim 1, wherein: the output shaft end of the motor (2) is in transmission connection with the transmission shaft (4) through a coupler.