CN219035111U

CN219035111U - Impeller of quick centrifugal pump

Info

Publication number: CN219035111U
Application number: CN202223403118.8U
Authority: CN
Inventors: 阚建华; 周军福; 周鹏程
Original assignee: Jingjiang Xin'ao Pump Manufacturing Co ltd
Current assignee: Jingjiang Xin'ao Pump Manufacturing Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-05-16
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses a rapid centrifugal pump impeller, which relates to the technical field of centrifugal pumps and comprises a body, wherein a plurality of fan blades are fixedly connected to the front surface of the body, a U-shaped cavity is formed in the inner wall of the body, a first worm is rotationally connected below the rear side of the inner wall of the U-shaped cavity, a second worm is rotationally connected below the left side and the right side of the inner wall of the U-shaped cavity in a common mode, a first worm wheel is fixedly connected to the center of the second worm rod wall, the lower surface of the first worm wheel is in meshed connection with one side of the first worm rod wall, and mounting blocks are fixedly connected to the centers of the left side and the right side of the inner wall of the U-shaped cavity. When the rotary shaft type impeller is used, a worker rotates the knob to enable the threaded rod to drive the threaded sleeve to extend into the impeller under the drive of the bevel gear, the threaded sleeve is connected with the matched bearing, the shaft head nut is not required to be screwed and disassembled, and time and labor are saved.

Description

Impeller of quick centrifugal pump

Technical Field

The utility model relates to the technical field of centrifugal pumps, in particular to a rapid centrifugal pump impeller.

Background

As a general machine in daily life, the pump is widely applied to the fields of petrochemical industry, metallurgical electric power, aerospace and the like, and along with the diversification of conveying media, the water pump has greatly developed in the application fields of conveying easily vaporizable media, low-temperature liquefied gas and the like, and the ultra-low specific speed centrifugal pump with higher lift and smaller flow is widely applied.

The impeller is the only component for transmitting energy to the fluid in the vane type fluid machine, and the mechanical energy of the prime motor is converted into the kinetic energy and the pressure energy of the fluid through the impeller, so that the flow, the lift and the efficiency of the pump are closely related to the shape, the size and the surface roughness of the impeller.

When the existing centrifugal pump impeller is installed, the fixing mode of fixing and screwing the key and the spindle nose nut is adopted, the spindle nose nut is adopted to fix when the impeller is detached and installed, time and labor are wasted, and great inconvenience is brought to maintenance work of staff.

Disclosure of Invention

The utility model aims to provide a quick centrifugal pump impeller, which solves the problems that the prior centrifugal pump impeller provided in the background art is time-consuming and labor-consuming and brings great inconvenience to the overhaul work of staff when the impeller is disassembled and installed by adopting a fixing mode of fixing and screwing a key and a spindle head nut and adopting the spindle head nut to fix the impeller.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a quick centrifugal pump impeller, includes the body, the front surface fixedly connected with a plurality of flabellums of body, U type cavity has been seted up to the inner wall of body, the below of U type cavity inner wall rear side rotates and is connected with first worm, the below of U type cavity inner wall left and right sides rotates jointly and is connected with the second worm, the center department fixedly connected with first worm wheel of second worm pole wall, the lower surface and the one side meshing of first worm pole wall of first worm wheel are connected, the equal fixedly connected with installation piece of center department of U type cavity inner wall left and right sides, two the inner wall of installation piece is all rotated and is connected with the pivot, two the lower extreme of pivot respectively with the left and right sides rotation of U type cavity inner wall downside is connected, two the equal fixedly connected with first bevel gear of upper end of pivot, two the equal fixedly connected with second of the downside of pivot axle wall, two the front surface respectively with the left and right sides meshing of second worm pole wall is connected, the equal clamping device of left and right sides worm wheel cavity inner wall is provided with.

Preferably, the clamping device comprises a threaded rod, one end of the threaded rod is rotationally connected with one side of the inner wall of the U-shaped cavity, the other end of the threaded rod is in threaded connection with a threaded sleeve, the other end of the threaded sleeve penetrates through one side of the inner wall of the U-shaped cavity and extends to one side of the inner wall of the body, a second bevel gear is fixedly connected with one side of the rod wall of the threaded rod, and one side surface of the first bevel gear is in meshed connection with the lower surface of the second bevel gear.

Preferably, the upper surfaces of the two threaded sleeves are fixedly connected with limiting blocks, the inner walls of the two limiting blocks are slidably connected with limiting rods, and the left side and the right side of each limiting rod are fixedly connected with the upper parts of the left side and the right side of the inner wall of the U-shaped cavity respectively.

Preferably, limit grooves are formed in the upper side and the lower side of the inner wall of the body.

Preferably, the upper end of the first worm penetrates through the upper side of the inner wall of the U-shaped cavity and extends to the lower side of the front surface of the body, and the upper end of the first worm is fixedly connected with a knob.

Preferably, the interval angles among the fan blades are consistent.

The utility model has the technical effects and advantages that:

1. through setting up body, flabellum, U type cavity, first worm, second worm, first worm wheel, installation piece, pivot, first bevel gear, second worm wheel, joint device, when using, the staff makes the threaded rod drive the screw sleeve and extends to inside the impeller under bevel gear's drive through rotating the knob, is connected with assorted bearing, need not to screw the dismantlement to spindle nose nut, labour saving and time saving.

2. Through setting up the spacing groove, can with the fixture block looks joint on the corresponding bearing, increase the convenience of equipment connection, restrict bearing hookup location simultaneously, make the screw sleeve peg graft mutually with the corresponding plug block on the bearing, carry out the chucking to equipment, improved the convenience that equipment used.

3. Through setting up stopper, gag lever post, can make the screw sleeve remove to the body inner wall when staff drive threaded rod rotates, avoid taking place to rotate at the removal in-process, improved the practicality of equipment.

Drawings

Fig. 1 is a schematic diagram of the front structure of the present utility model.

Fig. 2 is a schematic front sectional structure of the present utility model.

Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

Fig. 4 is a schematic view of a partial perspective structure of the present utility model.

In the figure: 1. a body; 2. a fan blade; 3. a U-shaped cavity; 4. a first worm; 5. a second worm; 6. a first worm wheel; 7. a mounting block; 8. a rotating shaft; 9. a first bevel gear; 10. a second worm wheel; 11. a threaded rod; 12. a threaded sleeve; 13. a second bevel gear; 14. a limiting block; 15. a limit rod; 16. a limit groove; 17. and (5) a knob.

Detailed Description

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.

The utility model provides a rapid centrifugal pump impeller as shown in fig. 1-4, which comprises a body 1, wherein the front surface of the body 1 is fixedly connected with a plurality of fan blades 2, the inner wall of the body 1 is provided with a U-shaped cavity 3, the lower parts of the rear sides of the inner wall of the U-shaped cavity 3 are rotationally connected with a first worm 4,U, the lower parts of the left side and the right side of the inner wall of the U-shaped cavity 3 are jointly rotationally connected with a second worm 5, the center of the rod wall of the second worm 5 is fixedly connected with a first worm wheel 6, the lower surface of the first worm wheel 6 is in meshed connection with one side of the rod wall of the first worm 4, the centers of the left side and the right side of the inner wall of the U-shaped cavity 3 are fixedly connected with mounting blocks 7, the inner walls of the two mounting blocks 7 are rotationally connected with rotating shafts 8, the rotating shafts 8 are made of forged steel materials, the lower ends of the two rotating shafts 8 are respectively rotationally connected with the left side and the right side of the inner wall of the U-shaped cavity 3, the upper ends of the two rotating shafts 8 are respectively fixedly connected with a first bevel gear 9, the lower sides of the two rotating shaft walls of the two rotating shafts 8 are respectively fixedly connected with a second worm wheel 10, the left side 10, the two front surfaces of the two worm wheels 10 are respectively connected with the left side and the right side of the left side of the U-shaped cavity 3, and the right side of the left side of the front surface of the two front surfaces of the two worm wheels 5 are respectively connected with the left side of the U-shaped cavity 3.

As shown in fig. 1, the upper and lower sides of the inner wall of the body 1 are both provided with a limit groove 16, the limit groove 16 is mechanically grooved, the inner wall is polished, the upper end of the first worm 4 penetrates through the upper side of the inner wall of the U-shaped cavity 3 and extends to the lower side of the front surface of the body 1, the upper end of the first worm 4 is fixedly connected with a knob 17, and the interval angles among the fan blades 2 are consistent, so that the centrifugal pump impeller can be operated rapidly.

As shown in fig. 2 and 3, the clamping device comprises a threaded rod 11, one end of the threaded rod 11 is rotationally connected with one side of the inner wall of the U-shaped cavity 3, the other end of the threaded rod 11 is in threaded connection with a threaded sleeve 12, the threaded sleeve 12 is matched with a corresponding bearing, a jack matched with the threaded sleeve 12 is formed in the bearing, the other end of the threaded sleeve 12 penetrates through one side of the inner wall of the U-shaped cavity 3 and extends to one side of the inner wall of the body 1, one side of the rod wall of the threaded rod 11 is fixedly connected with a second bevel gear 13, one side surface of the first bevel gear 9 is in meshed connection with the lower surface of the second bevel gear 13, the upper surfaces of the two threaded sleeves 12 are fixedly connected with limiting blocks 14, the inner walls of the two limiting blocks 14 are in sliding connection with limiting rods 15, and the left side and the right side of the two limiting rods 15 are respectively fixedly connected with the upper parts of the left side and the right side of the inner wall of the U-shaped cavity 3.

The working principle of the utility model is as follows: when the device is used, a worker connects the impeller body 1 with a corresponding bearing, cooperates with the bearing according to the limit groove 16 of the impeller, is sleeved on the bearing, then slides the impeller to a proper position, rotates the knob 17 to drive the first worm 4 to rotate, drives the first worm wheel 6 to rotate, drives the second worm 5 to rotate through the rotation of the first worm wheel 6, drives the second worm wheel 10 to rotate through the rotation of the second worm wheel 10, and drives the rotating shaft 8 to rotate;

the rotation of the rotating shaft 8 drives the first bevel gear 9 to rotate, the first bevel gear 9 rotates to enable the second bevel gear 13 in meshed connection with the first bevel gear 9 to rotate, the second bevel gear 13 rotates to drive the threaded rod 11 to rotate, the threaded rod 11 rotates to enable the threaded sleeve 12 to move towards the inner wall of the body 1 and to be inserted into a corresponding bearing insert, connection between the impeller body 1 and a bearing is completed, and when the impeller needs to be disassembled, only the reversing knob 17 is needed to enable the threaded sleeve 12 to withdraw from a matched bearing insert hole.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a quick centrifugal pump impeller, includes body (1), its characterized in that: the utility model discloses a novel electric fan, including body (1) and worm wheel (5), a plurality of flabellum (2) of front surface fixedly connected with of body (1), U type cavity (3) have been seted up to the inner wall of body (1), the below of U type cavity (3) inner wall rear side is rotated and is connected with first worm (4), the below of U type cavity (3) inner wall left and right sides is rotated jointly and is connected with second worm (5), the center department fixedly connected with first worm wheel (6) of second worm (5) pole wall, the lower surface of first worm wheel (6) is connected with one side meshing of first worm (4) pole wall, the equal fixedly connected with installation piece (7) of center department of U type cavity (3) inner wall left and right sides, two the equal rotation of inner wall of installation piece (7) is connected with pivot (8), two the lower extreme of pivot (8) respectively with the left and right sides of U type cavity (3) inner wall downside rotates and is connected with second bevel gear (9), two worm wheel (8) upper end equal fixedly connected with first bevel gear (10) of pivot (10), two worm wheel (8) are connected with two left and right sides of the equal surface of second worm (10) respectively.

2. A rapid centrifugal pump impeller according to claim 1, characterized in that: the clamping device comprises a threaded rod (11), one end of the threaded rod (11) is rotationally connected with one side of the inner wall of the U-shaped cavity (3), a threaded sleeve (12) is connected with the other end of the threaded rod (11) in a threaded mode, the other end of the threaded sleeve (12) penetrates through one side of the inner wall of the U-shaped cavity (3) and extends to one side of the inner wall of the body (1), a second bevel gear (13) is fixedly connected to one side of the rod wall of the threaded rod (11), and one side surface of the first bevel gear (9) is connected with the lower surface of the second bevel gear (13) in a meshed mode.

3. A rapid centrifugal pump impeller according to claim 2, characterized in that: the upper surfaces of the two threaded sleeves (12) are fixedly connected with limiting blocks (14), the inner walls of the two limiting blocks (14) are slidably connected with limiting rods (15), and the left side and the right side of each limiting rod (15) are fixedly connected with the upper parts of the left side and the right side of the inner wall of the U-shaped cavity (3) respectively.

4. A rapid centrifugal pump impeller according to claim 1, characterized in that: limiting grooves (16) are formed in the upper side and the lower side of the inner wall of the body (1).

5. A rapid centrifugal pump impeller according to claim 1, characterized in that: the upper end of the first worm (4) penetrates through the upper side of the inner wall of the U-shaped cavity (3) and extends to the lower side of the front surface of the body (1), and the upper end of the first worm (4) is fixedly connected with a knob (17).

6. A rapid centrifugal pump impeller according to claim 1, characterized in that: the interval angles among the fan blades (2) are consistent.