CN211039181U

CN211039181U - Cross-flow type flow-making pump

Info

Publication number: CN211039181U
Application number: CN201921647010.9U
Authority: CN
Inventors: 陈敏仪
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-07-17
Anticipated expiration: 2029-09-29

Abstract

The utility model provides a cross-flow type flow making pump relates to the flow making pump field. The cross-flow type flow-making pump comprises a motor, an impeller and an impeller cover, wherein one end of the impeller is in rotation stopping connection with a motor spindle, the impeller cover is of a cylindrical shell structure, a water inlet and a water outlet are formed in the side wall of the impeller cover, a flow guide outer plate is arranged at the water outlet of the impeller cover, and the surface of the flow guide outer plate is parallel to the tangential extending direction of the rotating outline of the impeller. The water outlet of the impeller cover is provided with the flow guide outer plate, the surface of the flow guide outer plate is parallel to the tangential extension direction of the rotating outline of the impeller, and water flow discharged from the water outlet is guided by the flow guide outer plate, so that the disordered water flow direction forms a uniform water flow direction, the water flow direction is along the tangential extension direction of the rotating outline of the impeller, the water flow scattering generated at the water outlet position is avoided, and the flow making effect is better.

Description

Cross-flow type flow-making pump

Technical Field

The utility model relates to a make a class pump technical field, especially relate to a stream pump is made to cross-flow type.

Background

The flow-making pump is also called as a wave-making pump, is a power device for driving the water body in the fish tank to flow, accelerates the flow of the water body through the flow-making pump, avoids the deposition and accumulation of dirt in the tank, and improves the living environment of fish.

For example, the chinese utility model patent with the publication number CN206582120U and publication number 2017.10.24 discloses a novel cross-flow type flow-making pump, and specifically discloses a cross-flow type flow-making pump comprising a cross-flow type flow-making component and a motor; the cross-flow type flow generating assembly comprises an impeller and a shell sleeved outside the impeller, the impeller comprises a first impeller part and a second impeller part, one end of each impeller is provided with an opening, the opening end part of the first impeller part is in opposite contact with the opening end part of the second impeller part and forms the impeller through ultrasonic welding, one end part of the impeller is provided with a rotating shaft which is rotatably inserted at the outer end part of the shell, and the other end part of the impeller is provided with a motor shaft hole sleeved with a motor output shaft; a water inlet and a water outlet are arranged on the side wall of the shell, and the inner end part of the shell is fixedly connected with the shell of the motor; the output shaft of the motor drives the impeller to rotate, so that liquid in the container enters the shell from the water inlet, flows along the impeller in the circumferential direction and then flows out from the water outlet.

At present, an impeller cover (corresponding to a "shell" in the above patent) on a cross-flow type pumping pump usually adopts a cylindrical design, and water enters the impeller cover and then is driven by an impeller to be discharged from a water outlet. However, the direction of the water flow discharged from the water outlet is relatively disturbed by the beating action of the impeller, and the water flows in all directions at the entire position of the water outlet. Therefore, in the using process, water flow scattering is easily generated at the water outlet position of the cross-flow type flow-making pump, and the flow-making effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, an object of the present invention is to provide a cross-flow type flow pump, which solves the problem of poor flow effect caused by the easy generation of water scattering at the water outlet position when the cross-flow type flow pump in the prior art is used.

The technical proposal of the cross flow type flow-making pump of the utility model is that:

the cross-flow type flow-making pump comprises a motor, an impeller and an impeller cover, wherein one end of the impeller is in rotation stopping connection with a motor spindle, the impeller cover is of a cylindrical shell structure, a water inlet and a water outlet are formed in the side wall of the impeller cover, a flow guide outer plate is arranged at the water outlet of the impeller cover, and the surface of the flow guide outer plate is parallel to the tangential extending direction of the rotating outline of the impeller.

Has the advantages that: the water outlet of the impeller cover is provided with the flow guide outer plate, the surface of the flow guide outer plate is parallel to the tangential extension direction of the rotating outline of the impeller, and water flow discharged from the water outlet is guided by the flow guide outer plate, so that the disordered water flow direction forms a uniform water flow direction, the water flow direction is along the tangential extension direction of the rotating outline of the impeller, the water flow scattering generated at the water outlet position is avoided, and the flow making effect is better.

Furthermore, a flow guide inner plate is arranged inside the impeller cover and arranged between the water inlet and the water outlet.

Furthermore, the surface of the flow guide inner plate is parallel to the surface of the flow guide outer plate.

Furthermore, one end of the impeller cover, which is far away from the motor, is provided with a side opening for water to axially enter the interior of the impeller cover.

Furthermore, an end cover plate is installed at one end, far away from the motor, of the impeller cover, the side opening is formed in the end cover plate, and the other end of the impeller is connected with the end cover plate in a rotating assembly mode.

Furthermore, one end of the impeller cover, which is far away from the motor, is provided with a clamping structure, and the end cover plate is connected with the clamping structure in a clamping manner.

Furthermore, the other end of impeller is equipped with the location axle, the epaxial cover of location is equipped with location axle sleeve and shock attenuation axle sleeve, the shock attenuation axle sleeve is installed the middle part of end cover board.

Furthermore, the cross-flow type flow-making pump further comprises a base and a motor shell, the motor is fixedly installed in the motor shell, a motor spindle extends out of the side face of the motor shell, and the impeller cover is rotatably assembled on the side face of the motor shell.

Furthermore, an oxygen interface is further arranged on the cross-flow type flow-making pump, and an oxygen pipe is connected between the oxygen interface and the inner space of the impeller cover.

Further, the base is inhaled the base for magnetism, the bottom of base is inhaled to magnetism is equipped with the shock pad.

Drawings

Fig. 1 is a schematic perspective view of a cross-flow type flow-making pump according to an embodiment 1 of the present invention;

FIG. 2 is a partial perspective view of the wheel shroud (with end cover plates removed) of FIG. 1;

FIG. 3 is an exploded view of the assembled connection between the impeller and the end cover plate;

FIG. 4 is a schematic view of a partial front view of the assembly connection between the impeller and the dual-shaft motor and the end cover plate;

fig. 5 is a schematic rear view of a cross-flow type flow-making pump according to embodiment 1 of the present invention.

In the figure: the device comprises a 1-double-shaft motor, a 10-motor shell, a 11-motor spindle, a 2-impeller, a 21-positioning shaft, a 22-positioning shaft sleeve, a 23-damping shaft sleeve, a 3-impeller cover, a 30-arc-shaped body, a 300-water inlet, a 301-water outlet, a 302-side opening, a 303-clamping structure, a 31-flow guide outer plate, a 32-flow guide inner plate, a 33-end cover plate, a 330-clamping part, a 4-magnetic suction base, a 5-oxygen interface and a 50-oxygen tube.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The utility model discloses a concrete embodiment 1 of the pump is made to the cross-flow type, as shown in fig. 1, the pump is made to the cross-flow type includes motor, impeller 2 and impeller casing 3 to and base and motor casing 10, motor fixed mounting is in motor casing 10, and motor casing 10 fixed mounting is on the base. The motor is a double-shaft motor 1, a motor spindle 11 of the double-shaft motor 1 extends outwards from two side faces of a motor shell 10 respectively, one end of an impeller 2 is connected with the motor spindle 11 in a rotation stopping mode, and two impeller covers 3 are assembled on two side faces of the motor shell 10 in a rotating mode respectively. The impeller cover 3 is of a cylindrical shell structure, the side wall of the impeller cover 3 is provided with the water inlet 30 and the water outlet 301, and the impeller cover 3 can rotate around the axis of the motor spindle 11, so that the positions of the water inlet 30 and the water outlet 301 are adjusted, and the water outlet direction of the flow-making pump can be more flexibly adapted to actual needs.

Two sides of the double-shaft motor 1 are respectively provided with a group of impellers 2 and an impeller cover 3, the impellers 2 are positioned in the impeller cover 3, a flow guide outer plate 31 is arranged at a water outlet 301 of the impeller cover 3, and the plate surface of the flow guide outer plate 31 is parallel to the tangential extension direction of the rotating outer contour of the impeller 1. The water flow discharged from the water outlet 301 is guided by the flow guide outer plate 31, so that a uniform water flow direction is formed in the disordered water flow direction, the water flow direction is along the tangential extension direction of the rotating outer contour of the impeller 1, the water flow scattering generated at the water outlet position is avoided, and the flow making effect is better.

In addition, in order to avoid interference between the inflow water flow and the outflow water flow, as shown in fig. 2, an inner flow guiding plate 32 is further disposed inside the impeller housing 3, the inner flow guiding plate 32 is disposed between the water inlet 300 and the water outlet 301, and a plate surface of the inner flow guiding plate 32 is disposed parallel to a plate surface of the outer flow guiding plate 31. The diversion inner plate 32 is arranged to isolate the inflow water flow from the outflow water flow, so that the interference of the downward flow of partial water flow in the impeller cover 3 on the inflow water flow is prevented. In addition, the inner diversion plate 32 can also guide the water flow rotating in the impeller cover 3, so that the direction of the water flow flowing downwards is changed to be parallel to the tangential extension direction of the rotating outer contour of the impeller 1, and the flow making effect is further improved.

One end of the impeller cover 3 far away from the double-shaft motor 1 is provided with a side opening 302 for water to enter the impeller cover 3 from the axial direction, the side opening 302 is arranged to enable water flow to enter from the water inlet 300 and the side opening 302 in a multidirectional mode, the flow of water entering is increased, and then the water outlet flow and the flow creating effect are improved. In this embodiment, an end cover plate 33 is installed at one end of the impeller housing 3 away from the biaxial motor 1, the side opening 302 is provided on the end cover plate 33, and the other end of the impeller 2 is rotatably fitted to the end cover plate 33. One end of the impeller 2 is connected with the motor spindle 11 of the double-shaft motor 1 in a rotation stopping mode, the other end of the impeller 2 is connected with the end cover plate 33 in a rotating and assembling mode, the impeller 2 is supported through the end cover plate 33 in a rotating and positioning mode, the precision of the impeller 2 when the impeller 2 rotates around the axis can be improved, and the stability of the impeller 2 in rotating operation is guaranteed. In other embodiments, in order to simplify the structure of the impeller cover, the end cover plate can be replaced by spokes, the spokes extend along the radial direction of the impeller cover, the intervals of the spokes form side openings for axially entering the inside of the impeller cover, shaft holes for rotatably assembling the impeller are arranged at the axial center positions of the spokes, and the spokes and the shaft holes can also play a role in positioning and supporting the rotation of the impeller. Alternatively, the end cover plate can be omitted directly.

One end of the impeller cover 33, which is far away from the double-shaft motor 1, is provided with a clamping structure 303, the peripheral edge of the end cover plate 33 is provided with a clamping portion 330, the clamping structure 303 comprises a clamping block, the clamping block is located on the inner wall of the impeller cover 33 and is close to the port, the clamping edge is arranged at an interval with the clamping block, and the clamping portion 330 is clamped and installed at an interval between the clamping block and the clamping edge. The clamping structure 303 of the impeller cover 33 is connected with the clamping part 330 of the end cover plate 33 in a clamping manner, so that the end cover plate 33 can be detachably mounted on the impeller cover 33, and the assembly of the cross-flow type flow-making pump are facilitated.

The other end of impeller 2 is equipped with location axle 21, and the cover is equipped with location axle sleeve 22 and shock attenuation axle sleeve 23 on the location axle 21, and shock attenuation axle sleeve 23 is installed in the middle part of end cover board 302, sets up location axle sleeve 22 and has improved impeller 2's assembly precision, sets up shock attenuation axle sleeve 23 and has reduced the vibration that impeller 2 rotated and arouse. The base is for magnetism to inhale base 4, the bottom of magnetism base 4 is equipped with the shock pad, magnetism is inhaled base 4 and is inhaled first pedestal and the second pedestal of complex including mutual magnetism, motor casing 10 fixed connection is on first pedestal, be equipped with mutual magnetism respectively in first pedestal and the second pedestal and inhale the complex magnet, magnet in the first pedestal is bilateral symmetry and is equipped with two, two magnets are installed respectively in the inside draw-in groove that corresponds of first pedestal, the shock pad sets up on the bottom surface relative with the second pedestal of first pedestal, it can improve the equilibrium and the stability of making the pump to set up two magnets. The second seat body has the same internal structure as the first seat body, and a shock pad is also arranged on the bottom surface of the second seat body opposite to the first seat body. When the fish tank is used, the first seat body and the second seat body are separately and correspondingly attracted to two sides of the fish tank wall, the whole cross-flow type flow making pump is fixedly arranged on the fish tank through the magnetic attraction base 4, and the vibration can be transmitted to the fish tank due to the work of the flow making pump in a reducing mode through the shock absorption pad.

In order to enrich the use function of the flow-making pump, as shown in fig. 5, two oxygen connectors 5 are arranged on the first seat body of the magnetic base 4, an oxygen tube 50 penetrating through the magnetic base 4 and the motor housing 10 is arranged in the flow-making pump, one end of the oxygen tube 50 is communicated with the oxygen connectors 5, and the other end of the oxygen tube 50 is communicated with the inner space of the impeller cover 33. The impeller 2 drives the water flow in the impeller cover 33 to rotate, and negative pressure is formed when the water flow passes through the outlet at the other end of the oxygen tube 50, so that oxygen is sucked into the impeller cover 33 and is discharged into the fish tank along with the water flow under the driving action of the impeller 2, and the oxygen increasing effect is realized while the flow making requirement is met. In practical use, an air pipe can be connected to the oxygen port 5 of the flow-generating pump, and the other end of the air pipe extends out of the water surface to suck air into the impeller cover 33 by means of negative pressure formed by water flow, so that the purpose of oxygen supply can be achieved without an oxygen pump. In other embodiments, the air pipe of the oxygenation pump can be connected to the oxygen interface of the flow generating pump, and the synchronous oxygenation and flow generation can be realized under the matching of the oxygenation pump and the flow generating pump.

The utility model discloses a flow pump is made to cross-flow type other embodiments, in order to adapt to different user demands, not only be limited to the face that is on a parallel with the water conservancy diversion inner panel and arrange the face of water conservancy diversion planking, still can arrange the face of water conservancy diversion inner panel in the face of water conservancy diversion planking, the water conservancy diversion inner panel forms binding off structure with the water conservancy diversion planking along the direction of water outlet, can make the water conservancy diversion inner panel play the effect of keeping apart into rivers and play rivers equally, prevent that the partial rivers downward flow that is arranged in the impeller housing from interfering to the rivers formation of intaking. Moreover, the closing-in structure is more favorable for improving the water outlet flow velocity and the flow making effect.

The utility model discloses a flow pump is made to cross-flow type other concrete embodiments, in order to adapt to different user demands, can replace the ordinary motor with the biax motor, and is corresponding, only is equipped with a set of impeller and impeller shaft in one side position of stretching out the motor spindle of motor casing, can satisfy the demand of making the current equally.

The utility model discloses a flow-crossing type makes other concrete embodiments of pump, for the convenience of the assembly operation of end cover board, can set up the cross recess in the outside middle part position of end cover board, makes things convenient for the workman to use the cross screwdriver to insert and rotate in the cross recess of end cover board to the joint portion that makes the end cover board rotates the joint between fixture block and fender edge, realizes the removable installation of end cover board and impeller shroud. In other embodiments, the cross-shaped groove can be replaced by a rectangular groove or a regular polygonal groove, etc.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. A cross-flow type flow-making pump comprises a motor, an impeller and an impeller cover, wherein one end of the impeller is connected with a motor spindle in a rotation stopping mode, the impeller cover is of a cylindrical shell structure, and the cross-flow type flow-making pump is characterized in that a water inlet and a water outlet are formed in the side wall of the impeller cover, a flow guide outer plate is arranged at the water outlet of the impeller cover, and the surface of the flow guide outer plate is parallel to the tangential extending direction of the rotating outline of the impeller.

2. The cross-flow type flow-making pump according to claim 1, wherein a flow guiding inner plate is further provided inside the impeller housing, and the flow guiding inner plate is arranged between the water inlet and the water outlet.

3. The cross-flow type flow-making pump according to claim 2, wherein the plate surface of the flow guide inner plate is arranged in parallel to the plate surface of the flow guide outer plate.

4. A cross-flow induced pump according to claim 1, 2 or 3 wherein the end of the impeller housing remote from the motor is provided with a side opening for water to pass axially into the interior of the impeller housing.

5. The cross-flow type flow-making pump according to claim 4, wherein an end cover plate is installed at one end of the impeller cover far away from the motor, the side opening is formed in the end cover plate, and the other end of the impeller is connected with the end cover plate in a rotating assembly mode.

6. The cross-flow type flow-making pump according to claim 5, wherein a clamping structure is provided at an end of the impeller cover away from the motor, and the end cover plate is connected with the clamping structure in a clamping manner.

7. The cross-flow type flow-making pump according to claim 6, wherein the other end of the impeller is provided with a positioning shaft, the positioning shaft is sleeved with a positioning shaft sleeve and a damping shaft sleeve, and the damping shaft sleeve is arranged in the middle of the end cover plate.

8. The cross-flow type flow-making pump according to claim 1, further comprising a base and a motor housing, wherein the motor is fixedly installed in the motor housing, the motor spindle extends out of the side surface of the motor housing, and the impeller cover is rotatably assembled at the side surface of the motor housing.

9. The cross-flow type flow-making pump according to claim 1, further comprising an oxygen port, wherein an oxygen tube is connected between the oxygen port and the inner space of the impeller housing.

10. The cross-flow type flow-making pump according to claim 8, wherein the base is a magnetic base, and a shock pad is disposed at the bottom of the magnetic base.