CN114483641B

CN114483641B - Impeller and water pump using same

Info

Publication number: CN114483641B
Application number: CN202210137071.0A
Authority: CN
Inventors: 王擎莉; 吴书道; 张建民; 徐发亮; 胡青丹; 宋杨杰
Original assignee: Shanghai Industry Pump Making Co ltd
Current assignee: Shanghai Industry Pump Making Co ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2023-06-16
Anticipated expiration: 2042-02-15
Also published as: CN114483641A

Abstract

The utility model relates to an industrial pump technical field especially relates to an impeller, including impeller dish and the blade of setting on the impeller dish lateral wall, the blade deviates from one side of impeller dish is provided with the impeller frame, be provided with the pipeline subassembly that is used for the liquid to flow through on the impeller frame, pipeline subassembly is including setting up intake chamber, play water cavity and the transfer chamber on the impeller dish lateral wall, pipeline subassembly by the impeller dish with the blade forms, the water inlet of intake chamber is located the intermediate position of impeller frame, the delivery port of play water cavity is located the marginal position of impeller frame, the transfer chamber is located the both sides of impeller dish, liquid follow the intake chamber gets into to flow through the delivery port of play chamber flows out, be provided with the block that is used for blocking the liquid flow through of getting into the intake chamber on the impeller frame, this application has the increase impeller lift, improves the effect that the speed of liquid leaves the impeller.

Description

Impeller and water pump using same

Technical Field

The application relates to the technical field of industrial pumps, in particular to an impeller and a water pump using the same.

Background

The water pump is a mechanism for outputting liquid or pressurizing the liquid; the mechanical energy or other external energy of the prime motor is transmitted to the liquid, so that the energy of the liquid is increased, and the liquid mainly used for conveying comprises water, oil, acid-alkali liquor, suspension emulsion, liquid metal and the like; liquids, gas mixtures, and liquids containing suspended solids may also be delivered. Technical parameters of the water pump performance include flow, suction lift, shaft power, water power, efficiency and the like; the lift is an important working performance parameter of the water pump, and refers to the energy obtained by the unit weight of fluid after passing through the pump.

The existing impeller of the water pump comprises an impeller disc and a plurality of blades welded and fixed on the impeller disc, and liquid entering the inner cavity of the water pump enters between two adjacent blades and is conveyed to the water outlet of the water pump under the action of the rotating centrifugal force of the impeller, so that the transfer of the liquid is realized.

In view of the above related art, the inventor considers that the water outlet of the water pump is located at the center position of two adjacent blades away from the impeller disc, and there is a problem of smaller lift, and there is a need for improvement.

Disclosure of Invention

In order to increase the flow of liquid entering the impeller, increase the lift of the impeller and accelerate the liquid better, the application provides an impeller and a water pump using the impeller.

The application provides an impeller and use water pump of this impeller adopts following technical scheme:

the impeller comprises an impeller disc and blades arranged on the side wall of the impeller disc, an impeller frame is arranged on one side, away from the impeller disc, of the blades, a pipeline assembly for liquid to flow through is arranged on the impeller frame and comprises a water inlet cavity, a water outlet cavity and a transfer cavity, the water inlet cavity is formed by the impeller disc and the blades, a water inlet of the water inlet cavity is positioned in the middle of the impeller frame, a water outlet of the water outlet cavity is positioned at the edge of the impeller frame, the transfer cavity is positioned on two sides of the edge of the impeller disc, liquid enters from the water inlet cavity and flows through the transfer cavity and flows out from the water outlet of the water outlet cavity, and a blocking block for blocking liquid entering the water inlet cavity from flowing through the transfer cavity is arranged on the impeller frame.

Through adopting above-mentioned technical scheme, when liquid gets into the intake chamber from the water inlet of intake chamber, the impeller rotates, and liquid is transported to the transfer intracavity, and in the transfer intracavity of blocking piece on the other side of impeller dish, liquid flows through the play water chamber afterwards, flows out from the delivery port of play water chamber, and liquid flows to the other side of impeller dish from one side of impeller dish, then flows out after the play water of play water chamber to increased the stroke that liquid flowed, increased the lift of impeller, the effect of improvement liquid speed.

Optionally, a plurality of pipeline components are arranged on the impeller plate, the pipeline components are uniformly arranged on the impeller plate at intervals, and the water inlet cavity and the water outlet cavity are positioned on the same side of the impeller plate.

Through adopting above-mentioned technical scheme, evenly set up a plurality of pipeline subassembly at the interval on the impeller dish for the impeller can once only draw the basis of more liquid and have relatively concentrated structure, and inlet chamber and play water cavity are located the flow that has increased liquid of same side of impeller dish, thereby carry out better acceleration to liquid.

Optionally, the mounting hole has been seted up to the central point of impeller dish, install the axis of rotation in the mounting hole, set up the groove that slides on the inner wall of mounting hole, set up the joint groove on the inner wall of mounting hole, slide the groove with the joint groove communicates with each other and is connected, be fixed with the piece that slides on the outer wall of axis of rotation, slide the piece with slide the groove and slide and be connected, slide the piece with the joint groove joint, be provided with in the mounting hole and be used for making the piece joint that slides in the joint groove.

Through adopting above-mentioned technical scheme, the staff aligns the groove of sliding and slides the piece, installs the impeller dish on to the axis of rotation, when the piece of sliding slides to the diapire in groove of sliding, rotates the axis of rotation for the piece joint that slides is in the joint inslot, under the restriction of butt spare, the piece of sliding is restricted in the joint inslot, thereby realizes the fixed connection of axis of rotation and impeller dish.

Optionally, the butt piece include with the mounting hole slides and connects the butt piece, install the tight spring of butt in the mounting hole, the one end of tight spring is fixed on the inner wall of mounting hole, the other end is fixed on the lateral wall of butt piece, the one end butt that the butt piece deviates from the spring is in on the lateral wall of sliding the piece, the butt piece orientation the guide inclined plane has been seted up to the one end of joint groove.

Through adopting above-mentioned technical scheme, under natural state, the butt piece deviates from the opening part shutoff to the joint groove of one side of tight spring, when the staff installs the impeller dish to the axis of rotation, the butt of sliding block is on the guide inclined plane, continuously rotate the sliding block to the direction of butt piece, under the guide of guide inclined plane, tight spring is compressed, the butt piece is pressed to the fixed inslot, at this moment with the sliding block joint in the joint groove, under the resilience effect of tight spring, the butt piece butt is on the lateral wall of sliding block, under the butt of butt piece for the stable joint of sliding block is in the joint groove, thereby install the impeller dish in the axis of rotation.

Optionally, the roughness of the impeller plate sidewall is 12.5.

Through adopting above-mentioned technical scheme, restrict the roughness to the impeller dish and make the water pump transfer the efficiency increase of water liquid, reduce the influence to the water pump lift, reduce the surface friction of impeller dish for rivers are smooth and easy, and smooth impeller dish surface reduces the water liquid and stagnates on the impeller dish lateral wall, reduces the emergence of steam reaction, thereby reduces the possibility that the impeller dish rusts.

Optionally, the device comprises an impeller and a rotating shaft, and further comprises a mounting shell, wherein the impeller is rotationally connected in the mounting shell, a driving motor is fixed on the outer wall of the mounting shell, and the rotating shaft of the driving motor is coaxially fixed with the rotating shaft.

Through adopting above-mentioned technical scheme, driving motor is connected with external power supply electricity, starts driving motor, and driving motor's pivot rotates and drives the axis of rotation and rotate, and the axis of rotation rotates and drives the impeller and rotate, and the impeller rotates and makes the installation shell inner chamber be negative pressure state to with external water liquid suction installation shell inner chamber.

Optionally, be provided with the mount pad on the installation shell, the mount pad orientation one side of installation shell rotates and is connected with the carousel, the installation shell is fixed on the carousel, be provided with on the mount pad and be used for limiting carousel pivoted locking piece.

Through adopting above-mentioned technical scheme, when the staff needs the water liquid of extraction different positions, rotate the installation shell and make the carousel rotate, adjust the direction of installation shell under the prerequisite that does not need to mention the water pump, reduce the physical power consumption of staff, adjust the back with the direction of water pump, the rotation of locking piece restriction carousel for the work of water pump is more stable.

Optionally, the locking piece is including fixing the installation section of thick bamboo on the mount pad, install reset spring in the installation section of thick bamboo, fix reset spring is close to the butt ball of carousel one end, a plurality of spacing hole has evenly been seted up to the interval on the lateral wall of carousel, the butt ball butt is in spacing hole.

Through adopting above-mentioned technical scheme, the staff presses the butt ball to the direction of installation section of thick bamboo inner chamber, and tight spring is compressed, and the butt ball is separated with spacing hole, and the staff can rotate the installation shell this moment and make the installation shell rotate, and after accomplishing the regulation to the water pump direction, loosen the butt ball for the butt ball butt is downthehole at spacing, thereby the rotation of restriction carousel.

Optionally, rotate on the lateral wall of butt ball and be connected with the handle, set up the groove that slides on the lateral wall of installation section of thick bamboo, the handle with the groove that slides and be connected.

Through adopting above-mentioned technical scheme, the staff pulls the handle to the direction that is close to the installation section of thick bamboo inner chamber for the handle slides in the groove that slides, thereby makes butt ball and spacing hole separate, and the setting of handle makes things convenient for the staff to pull the butt ball.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the liquid to be transferred enters from the water inlet of the water inlet cavity, is accelerated by the transfer cavity, finally flows out from the water outlet of the water outlet cavity, and enters the impeller to be accelerated for three times, so that the flowing speed of the liquid is faster, and the pumping efficiency of the impeller is improved.

2. During the in-process that the staff was pumping, when the direction of water pump water inlet was changed to needs, directly pulling the handle made butt ball and spacing hole separate, rotated the installation shell and made the carousel rotate, after adjusting the direction of water pump, loosen the handle, under the effect of the resilience of tight spring self, butt ball butt was at the rotation of spacing downthehole restriction carousel for the operation of water pump is more stable.

3. The impeller is fixed through the joint with the axis of rotation, and the staff aligns the sliding block and slides the groove, will slide the block joint in the joint inslot, and the butt piece butt is on the lateral wall of sliding the block to realize the fixed of impeller and axis of rotation, the fixed of impeller and axis of rotation is simple, has reduced a large amount of time for the staff installs the impeller.

Drawings

FIG. 1 is a schematic view of the overall structure of a water pump according to an embodiment of the present application.

FIG. 2 is a cross-sectional view of an embodiment of the present application at the site of a mounting cylinder for illustrating the structure within the interior cavity of the mounting cylinder.

Fig. 3 is a schematic structural view of a turbine disc according to an embodiment of the present application, for illustrating a structure of one side of the water inlet chamber.

Fig. 4 is a schematic structural view of an impeller disc according to an embodiment of the present application, for illustrating a structure of a side of the impeller disc facing away from the water inlet chamber.

Fig. 5 is a sectional view of the mounting case portion in the embodiment of the present application, for showing the connection structure of the rotation shaft and the inside of the mounting hole,

fig. 6 is an enlarged view at a in fig. 5.

Reference numerals: 1. an impeller disc; 2. a blade; 3. an impeller frame; 5. a water inlet cavity; 6. a water outlet cavity; 7. a transfer cavity; 8. a blocking piece; 9. a mounting hole; 10. a rotating shaft; 11. a slip groove; 12. a clamping groove; 13. a sliding block; 14. an abutment; 15. an abutment block; 16. a spring is abutted tightly; 17. a guide slope; 18. a mounting shell; 19. a driving motor; 20. a mounting base; 21. a turntable; 22. a locking member; 23. a mounting cylinder; 24. a return spring; 25. abutting the ball; 26. a limiting hole; 27. a handle; 29. a circular hole; 31. a transfer hole; 32. a fixing groove; 33. and a reflow hole.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-6.

The embodiment of the application discloses an impeller and a water pump using the impeller.

Referring to fig. 1, a water pump comprises a mounting seat 20, a circular hole 29 is formed in the mounting seat 20, a rotary table 21 is rotationally connected in the circular hole 29, the thickness of the rotary table 21 is larger than the depth of the circular hole 29, the water pump further comprises a mounting shell 18 fixed on one side of the rotary table 21, deviating from the circular hole 29, a driving motor 19 fixed on the mounting seat 20 through bolts, a rotating shaft of the driving motor 19 is rotationally connected with the mounting shell 18, the water pump further comprises an impeller arranged in an inner cavity of the mounting shell 18, the impeller and the rotating shaft of the driving motor 19 are coaxially arranged, the driving motor 19 is electrically connected with an external power supply, the driving motor 19 is started, and the rotating shaft of the driving motor 19 rotates to drive the impeller to rotate, so that liquid is transferred.

Referring to fig. 1 and 2, a locking piece 22 for limiting rotation of a turntable 21 is arranged on a mounting seat 20, the locking piece 22 comprises a mounting cylinder 23 integrally fixed on the mounting seat 20, a return spring 24 with one end welded and fixed on the inner wall of the mounting cylinder 23, and an abutting ball 25 welded and fixed on one end of the return spring 24, which is far away from the inner cavity of the mounting cylinder 23, two sliding grooves 11 are formed in the side wall of the mounting cylinder 23, two shaft pins are arranged on the side wall of the abutting ball 25, one end of the shaft pin, which is far away from the abutting ball 25, is welded and fixed with a head handle 27, the handle 27 and the abutting ball 25 form a closed annular structure, and a worker pulls the handle 27 to rotate the shaft pins, so that the worker can conveniently pull the handle 27.

Referring to fig. 1 and 2, a plurality of limiting holes 26 are uniformly formed in the side wall of the turntable 21 at intervals, the abutting balls 25 are correspondingly abutted in the limiting holes 26 under the action of resilience force of the return springs 24, a worker pulls the handle 27 towards the direction of the inner cavity of the mounting cylinder 23, the return springs 24 are compressed, the abutting balls 25 leave the limiting holes 26, the mounting shell 18 is manually rotated, after the position of the water pump for pumping liquid is adjusted, the handle 27 is loosened, under the action of resilience force of the return springs 24, the abutting balls 25 are abutted in the limiting holes 26 again, so that rotation of the turntable 21 is limited, and the arrangement of the turntable 21 enables the worker to change the direction of the water pumping port under the condition that the water pump is not required to be lifted, so that the consumption of the physical ability of the worker is reduced.

Referring to fig. 3 and 4, the impeller includes an impeller disc 1 and a plurality of blades 2 welded on the sidewall of the impeller disc 1, in this application, six blades 2 are disposed on one side of the impeller disc 1, six blades 2 are disposed on the other side, the blades 2 on one side of the impeller disc 1 and the impeller disc 1 form three water inlet cavities 5, the six blades 2 on the other side and the impeller disc 1 form three transfer cavities 7, a transfer hole 31 is formed at the edge of one side of the impeller disc 1 where the water inlet cavities 5 are formed, the transfer hole 31 is used for making the liquid in the water inlet cavities 5 flow into and out of the water cavities 6, a transfer cavity 7 is formed between the water inlet cavities 5 and the water outlet cavities 6, and the transfer hole 31 is located in the transfer cavity 7.

Referring to fig. 3 and 4, a plurality of blocking blocks 8 are welded and fixed on one side, on which a water inlet cavity 5 is formed, of an impeller plate 1, in the present application, three blocking blocks 8 are arranged, an impeller frame 3 is welded and fixed on one side, away from the impeller plate 1, of each blocking block 8, liquid flowing into and out of the water cavity 6 is blocked by the arrangement of the blocking blocks 8, three backflow holes 33 are formed in the middle position, on one side, away from the water inlet cavity 5, of the impeller plate 1, liquid in the water inlet cavity 5 enters the transfer cavity 7 through first acceleration, enters the transfer cavity 7, on one side, away from the water inlet cavity 5, of the impeller plate 1 under the blocking of the blocking blocks 8, then enters the water outlet cavity 6 through the backflow holes 33, and then flows away from the impeller.

Referring to fig. 4, the roughness of the side of the impeller plate 1 facing away from the water inlet of the water pump is 12.5, the roughness of the side wall of the impeller plate 1 is limited, and the water vapor reaction caused by the water standing on the side wall of the impeller plate 1 is reduced, so that the possibility of rusting of the side wall of the impeller plate 1 is reduced.

Referring to fig. 5 and 6, a mounting hole 9 is formed in the middle position of the impeller disc 1, a sliding groove 11 is formed in the inner wall of the mounting hole 9 along the length direction of the mounting hole 9, a clamping groove 12 is formed in the inner wall of the mounting hole 9, the sliding groove 11 is communicated with the clamping groove 12, a sliding block 13 is fixedly welded on the outer wall of the rotating shaft 10, a worker inserts the rotating shaft 10 into the mounting hole 9, the sliding block 13 enters the inner cavity of the mounting hole 9 along the sliding groove 11, the rotating shaft 10 rotates to enable the sliding block 13 to slide into the clamping groove 12, so that the impeller and the rotating shaft 10 are fixed, an abutting piece 14 for limiting the sliding block 13 to slide out of the clamping groove 12 is arranged on the inner wall of the mounting hole 9, and the clamping block is clamped in the clamping groove 12 under the limitation of the abutting piece 14, so that the impeller and the rotating shaft 10 are fixed more stably.

Referring to fig. 5 and 6, a fixing groove 32 is formed in the inner wall of the mounting hole 9, an opening of the fixing groove 32 is opposite to an opening of the clamping groove 12, the abutting piece 14 comprises an abutting spring 16 installed in the fixing groove 32, and an abutting block 15 welded and fixed at one end of the abutting spring 16 facing the inner cavity of the clamping groove 12, a guide inclined surface 17 is formed at one end of the abutting block 15 facing away from the abutting spring 16, the guide inclined surface 17 is formed in the direction of the sliding groove 11, the abutting block 15 is located at a position where the sliding groove 11 is connected with the clamping groove 12, when the sliding block 13 slides to the opening of the clamping groove 12, the sliding block 13 contacts with the guide inclined surface 17, under the abutting of the sliding block 13, the abutting block 15 slides into the fixing groove 32, the abutting spring 16 is compressed, the sliding block 13 is clamped in the clamping groove 12, and the abutting block 15 abuts against the side wall of the sliding block 13 under the action of the rebound force of the abutting spring 16, so that the sliding block 13 is limited to slide out of the clamping groove 12.

The implementation principle of the water pump in the embodiment of the application is as follows: the sliding block 13 is aligned with the sliding groove 11, the sliding block 13 slides into the inner cavity of the mounting hole 9, the impeller is rotated to enable the sliding block 13 to slide to the position of the guide inclined surface 17, the abutting block 15 is pressed into the fixing groove 32 under the guidance of the sliding block 13 and the guide inclined surface 17, the abutting spring 16 is compressed, the sliding block 13 is clamped in the clamping groove 12, the abutting block 15 abuts against the side wall of the sliding block 13 under the resilience force of the abutting spring 16, so that the connection of the impeller and the rotating shaft 10 is realized, a worker can pull the handle 27, the abutting ball 25 is separated from the limiting hole 26, the mounting shell 18 is rotated, the pumping hole of the water pump is located at a position which is more convenient to pump water, the handle 27 is loosened, the abutting ball 25 abuts in the limiting hole 26 under the resilience force of the abutting spring 16, and the rotation of the turntable 21 is limited, so that the pumping work of the water pump is more stable.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. Impeller, comprising an impeller disc (1) and blades (2) arranged on the side wall of the impeller disc (1), characterized in that: one side of the vane (2) deviating from the impeller disc (1) is provided with an impeller frame (3), a blocking block (8) is arranged on the impeller frame (3), a plurality of water inlet cavities (5), transfer cavities (7) and water outlet cavities (6) are formed on the side wall of the vane (2) and one side of the impeller disc (1), the vane (2) and the impeller disc (1) on the other side of the impeller disc (1) also form the transfer cavities (7), the transfer cavities (31) are formed on the edge of one side of the impeller disc (1) on the side of the water inlet cavities (5), under the blocking of the blocking block (8), media enter the other side transfer cavities (7) from the side of the impeller disc (1) through the transfer cavities (31), a plurality of backflow holes (33) are formed in the middle position of one side of the impeller disc (1) deviating from the water inlet cavities (5), media entering the water inlet cavities (5) flow through the transfer cavities (7) on the two sides of the impeller disc (1), and water enters the water outlet cavities (6) from the backflow holes (33).

2. An impeller according to claim 1, wherein: the impeller is characterized in that a mounting hole (9) is formed in the center of the impeller disc (1), a rotating shaft (10) is mounted in the mounting hole (9), a sliding groove (11) is formed in the inner wall of the mounting hole (9), a clamping groove (12) is formed in the inner wall of the mounting hole (9), the sliding groove (11) is communicated with the clamping groove (12), a sliding block (13) is fixed on the outer wall of the rotating shaft (10), the sliding block (13) is connected with the sliding groove (11) in a sliding mode, the sliding block (13) is connected with the clamping groove (12) in a clamping mode, and a contact piece (14) used for enabling the sliding block (13) to be clamped in the clamping groove (12) is arranged in the mounting hole (9).

3. An impeller according to claim 2, wherein: the abutting piece (14) comprises an abutting block (15) connected with the mounting hole (9) in a sliding mode and an abutting spring (16) mounted in the mounting hole (9), one end of the abutting spring (16) is fixed on the inner wall of the mounting hole (9), the other end of the abutting spring is fixed on the side wall of the abutting block (15), one end, deviating from the spring, of the abutting block (15) abuts against the side wall of the sliding block (13), and one end, facing the clamping groove (12), of the abutting block (15) is provided with a guide inclined surface (17).

4. An impeller according to claim 1, wherein: the roughness of the side wall of the impeller disc (1) is Ra12.5.

5. A water pump comprising an impeller according to any one of claims 1-4, characterized in that: still include axis of rotation (10) and installation shell (18), the impeller rotates to be connected in installation shell (18), be fixed with driving motor (19) on the outer wall of installation shell (18), the pivot of driving motor (19) with axis of rotation (10) coaxial fixation.

6. A water pump according to claim 5, wherein: still include mount pad (20), mount pad (20) orientation one side rotation of installation shell (18) is connected with carousel (21), installation shell (18) are fixed on carousel (21), be provided with on mount pad (20) be used for restricting carousel (21) pivoted locking piece (22).

7. A water pump according to claim 6, wherein: the locking piece (22) comprises a mounting cylinder (23) fixed on the mounting seat (20), a reset spring (24) arranged in the mounting cylinder (23), and a butt ball (25) fixed on one end of the reset spring (24) close to the rotary disc (21), wherein a plurality of limit holes (26) are uniformly formed in the side wall of the rotary disc (21) at intervals, and the butt ball (25) is abutted in the limit holes (26).

8. A water pump according to claim 7, wherein: the side wall of the abutting ball (25) is rotatably connected with a handle (27), a sliding groove is formed in the side wall of the mounting cylinder (23), and the handle (27) is connected with the sliding groove in a sliding mode.