CN210509613U

CN210509613U - Electric water pump

Info

Publication number: CN210509613U
Application number: CN201920089650.6U
Authority: CN
Inventors: 梁灿明
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-18
Filing date: 2019-01-18
Publication date: 2020-05-12
Anticipated expiration: 2029-01-18

Abstract

The utility model relates to an electric water suction pump, including motor, casing, impeller, front end housing, rear end cap and outlet pipe, the middle part of the terminal surface of casing is equipped with the installation through-hole, the inner wall of installation through-hole is equipped with and is curved play basin, the outer wall of casing be equipped with to go out the basin extend and with the wash port of play basin intercommunication, the internal diameter of wash port with the internal diameter of outlet pipe is the same, the one end that the wash port is located the outside is equipped with along the annular step position of hoop setting, the internal diameter of annular step position is the same with the external diameter of outlet pipe, outlet pipe butt spacing connect in annular step position department and outlet pipe with the coaxial setting of wash port, front end housing and rear end cap respectively with the both ends sealing connection of installation through-hole. The utility model provides a pair of electronic suction pump only needs to provide 12 volts for the motor, can realize the work of drawing water of suction pump, and can satisfy the user to the demand of stable lift and flow.

Description

Electric water pump

Technical Field

The utility model relates to a water pump field, concretely relates to electronic suction pump.

Background

Today advocating the environmental protection theory, without the help of fuel equipment, individual crops in the countryside waters because multiple reasons are difficult for a moment to implement, and community and high-rise building house that the water is scarce often lead to because the pressure of running water is not enough, lead to like domestic gas heater, washing machine etc. can not start because of water pressure problem equipment, and electronic little water pump on the market is most because do not have sufficient lift and flow, perhaps not in safe voltage range, is difficult to satisfy the demand. In addition, when the water outlet of the water pump is connected with the water outlet pipeline, the water outlet pipeline is usually inserted into the water outlet, so that the problem that the inner diameter of the water outlet pipeline is smaller than that of the water outlet is caused, the flow rate and the flow speed of water flow change at the joint of the water outlet and the water outlet pipeline, and the lift and the flow rate of a user in actual use are further influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electronic suction pump only needs to provide 12 volts for the motor, can realize the work of drawing water of suction pump, and can satisfy the user to the demand of stable lift and flow.

In order to achieve the purpose, the utility model provides an electric water pump, which comprises a motor, a shell, an impeller, a front end cover, a rear end cover and a water outlet pipe, wherein the shell is in a rectangular plate shape, the front end cover and the rear end cover are respectively in a circular plate shape, the middle part of the end surface of the shell is provided with an installation through hole for installing the impeller, the inner wall of the installation through hole is provided with an arc water outlet groove, the outer wall of the shell is provided with a drain hole which extends to the water outlet groove and is communicated with the water outlet groove, the inner diameter of the drain hole is the same as that of the water outlet pipe, one end of the drain hole, which is positioned at the outer side, is provided with an annular step position arranged along the annular ring direction, the inner diameter of the annular step position is the same as the outer diameter of the water outlet pipe, the water outlet pipe is in butt limit connection with the annular step position, the impeller with the coaxial setting of installation through-hole is installed in the installation through-hole, the motor install in on the rear end cap just the output shaft of motor with the coaxial setting of installation through-hole, the output shaft of motor run through the rear end cap and with the impeller is connected and can drives the impeller and rotate, the axle center department of front end cap is equipped with the water inlet of intercommunication external and impeller, water inlet department is equipped with the connector that is used for being connected with water intake pipe.

Preferably, the end faces of the shell, the front end cover and the rear end cover are respectively provided with a plurality of connecting holes aligned in position and connected through screws penetrating through the connecting holes, and the front end cover and the rear end cover are respectively provided with dismounting holes.

Preferably, the connector is a threaded connector and is arranged on the outer side of the front end cover and integrally formed with the front end cover.

As preferred scheme, the impeller includes that two are circular platelike mounting panel and 4 blades respectively, two the mounting panel sets up relatively and the outward flange is aligned, 4 the blade sets up respectively along the hoop array two between the mounting panel and respectively with two mounting panel fixed connection, wherein one the axis department of the surface of mounting panel be equipped with outside extension and be used for with the impeller connecting axle of the output shaft of motor.

Preferably, the output shaft of the motor is inserted into the impeller connecting shaft, the end of the impeller connecting shaft abuts against the end face of the rear end cover, a through hole through which the output shaft of the motor can pass is formed in the axis of the rear end cover, a gasket for separating the through hole from the mounting through hole and retaining water is arranged between the impeller connecting shaft and the rear end cover, the gasket is annular in cross section, and the output shaft passes through the gasket and is connected with the impeller connecting shaft.

Preferably, a groove with the same shape as the section of the gasket is arranged on the end face of the shell, and the gasket is embedded in the groove.

Preferably, the number of the connecting holes in the front end cover is 6, the 6 connecting holes are arranged on the front end cover along an annular array, and the front end cover and the rear end cover are respectively provided with two dismounting holes.

Preferably, the outer diameter of the impeller is smaller than the inner diameter of the mounting through hole.

Preferably, the blade has a circular arc plate shape.

Preferably, the radian radius of the blade is 18mm-28 mm.

According to the electric water pump provided by the technical scheme, the impeller is driven to rotate by the small motor, water outside the electric water pump is sucked into the impeller from the water inlet and is discharged to the outside through the water outlet groove, the water outlet hole and the water outlet pipe in sequence under the action of centrifugal force of the impeller, so that a user can use the electric water pump, and the water pumping work of the water pump can be realized only by providing 12V voltage for the motor; in addition, through setting up annular step position, the internal diameter of wash port is the same with the internal diameter of outlet pipe, the internal diameter of annular step position with the external diameter of outlet pipe is the same, outlet pipe butt spacing connect in annular step position department and outlet pipe with the wash port coaxial setting, so, the flow and the velocity of flow of rivers will not change at the delivery port and the junction of outlet pipe, can satisfy the demand of user to stable lift and flow.

Drawings

Fig. 1 is a schematic structural diagram (one) of the present invention;

fig. 2 is an exploded view of the present invention;

fig. 3 is a schematic structural diagram (ii) of the present invention;

FIG. 4 is a schematic structural view of the housing;

fig. 5 is a schematic structural view of the impeller.

Wherein: 1. a connector; 2. a front end cover; 3. a housing; 4. a drain hole; 5. disassembling the hole; 6. a motor; 7. connecting holes; 8. a screw; 9. an output shaft; 10. an annular step position; 11. a rear end cap; 12. mounting a through hole; 13. a water outlet groove; 14. an impeller; 141. a blade; 142. mounting a plate; 143. the impeller is connected with the shaft.

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.

Referring to fig. 1-5, for the electric water pump provided by the present invention, comprising a motor 6, a housing 3, an impeller 14, a front end cap 2, a rear end cap 11 and a water outlet pipe, wherein the housing 3 is rectangular plate-shaped, the front end cap 2 and the rear end cap 11 are respectively circular plate-shaped, a mounting through hole 12 for mounting the impeller 14 is provided in the middle of the end surface of the housing 3, an arc-shaped water outlet groove 13 is provided on the inner wall of the mounting through hole 12, a water outlet hole 4 extending to the water outlet groove 13 and communicating with the water outlet groove 13 is provided on the outer wall of the housing 3, the inner diameter of the water outlet hole 4 is the same as the inner diameter of the water outlet pipe, an annular step 10 arranged along the annular direction is provided at one end of the water outlet hole 4, the inner diameter of the annular step 10 is the same as the outer diameter of the water outlet pipe, the water outlet pipe is connected to the annular step 10, preferably, the inner wall of annular step position 10 is equipped with the internal thread, outlet pipe one end be equipped with the external thread that the internal thread corresponds, the outlet pipe with annular step position 10 passes through threaded connection, so, can guarantee the outlet pipe with the leakproofness of annular step position 10 junction, avoid leaking, simultaneously, can make things convenient for the outlet pipe with the connection of annular step position 10. In addition, the front end cover 2 and the rear end cover 11 are respectively connected with two ends of the installation through hole 12 in a sealing manner, the impeller 14 and the installation through hole 12 are coaxially arranged and installed in the installation through hole 12, the motor 6 is installed on the rear end cover 11, the output shaft 9 of the motor 6 and the installation through hole 12 are coaxially arranged, the outer diameter of the impeller 14 is smaller than the inner diameter of the installation through hole 12, preferably, the outer diameter of the impeller 14 is 1-6mm smaller than the inner diameter of the installation through hole 12, so that the impeller 14 can rotate in the installation through hole 12 conveniently, the output shaft 9 of the motor 6 penetrates through the rear end cover 11 and is connected with the impeller 14 and can drive the impeller 14 to rotate, a water inlet communicated with the outside and the impeller 14 is formed in the axis center of the front end cover 2, and a connector 1 used for being connected with a water inlet pipeline. Specifically, the impeller 14 is driven to rotate by the small-sized motor 6, water outside the electric water pump is pumped into the impeller 14 from the water inlet, and is discharged to the outside through the water outlet groove 13, the water outlet hole 4 and the water outlet pipe in sequence under the action of centrifugal force of the impeller 14 for users to use, and the water pumping work of the water pump can be realized only by providing 12V voltage for the motor 6; in addition, by arranging the annular step position 10, the inner diameter of the water outlet hole 4 is the same as that of the water outlet pipe, the inner diameter of the annular step position 10 is the same as that of the water outlet pipe, the water outlet pipe is abutted and limited to be connected to the annular step position 10, and the water outlet pipe is arranged coaxially with the water outlet hole 4, so that the flow and the flow speed of water flow cannot change at the connection position of the water outlet and the water outlet pipe, and the requirements of users on stable lift and flow can be met.

In this embodiment, be equipped with the aligned connecting hole 7 in a plurality of positions respectively on the terminal surface of casing 3, front end housing 2 and rear end housing 11 and through wearing to locate screw rod 8 in the connecting hole 7 is connected, be equipped with disassembly hole 5 on front end housing 2 and the rear end housing 11 respectively, preferably, the quantity of connecting hole 7 on the front end housing 2 is 6,6 the connecting hole 7 along annular array arrange in on front end housing 2, respectively be equipped with two on front end housing 2 and the rear end housing 11 disassembly hole 5, so, can be convenient for the dismantlement maintenance of electric suction pump.

In addition, connector 1 be threaded connection head 1 and set up in the outside of front end housing 2 and with front end housing 2 integrated into one piece, specifically, accessible pipe connection water source and electronic suction pump's threaded connection head 1 to the realization is pumped out the water of position far away, is used for the user to use.

Further, the impeller 14 includes two

mounting plates

142 and 4 blades 141 which are respectively in a circular plate shape, the two mounting plates 142 are oppositely arranged and have outer edges aligned, the 4 blades 141 are respectively arranged between the two mounting plates 142 in an annular array and are respectively fixedly connected with the two mounting plates 142, an impeller connecting shaft 143 which extends outwards and is used for being connected with the output shaft 9 of the motor 6 is arranged at an axis of the outer surface of one of the mounting plates 142, the blades 141 are in a circular arc plate shape, and the arc radius of each blade 141 is 18mm-28mm, so that the centrifugal force of water pumped out by the impeller 14 can be improved, and the lift of water flow can be further improved, and the requirement of water for high-rise buildings and houses can be met.

In this embodiment, the output shaft 9 of the motor 6 is inserted into the impeller connecting shaft 143, an end of the impeller connecting shaft 143 abuts against an end surface of the rear end cover 11, a through hole through which the output shaft 9 of the motor 6 can pass is formed in an axis of the rear end cover 11, a connecting hole for connecting with the output shaft is formed in an axis of the impeller connecting shaft 143, the output shaft is inserted into the connecting hole, the impeller connecting shaft 143 is inserted into the through hole, and a hollow cylindrical sealing sleeve is arranged between an outer wall of the impeller connecting shaft 143 and an inner wall of the through hole, so that stability of connection between the output shaft 9 and the impeller connecting shaft 143 can be ensured. In addition, impeller connecting axle 143 with be equipped with between the rear end cover 11 and be used for with the through-hole for installation through-hole 12 separates and the gasket of manger plate, the cross-section of gasket is the annular, output shaft 9 passes the gasket with impeller connecting axle 143 is connected, be equipped with on the terminal surface of casing 3 with the same recess of gasket cross-sectional shape, the gasket inlays to be located in the recess, preferably, in this embodiment, the gasket adopts wear-resisting waterproof shock attenuation piece, so, can prevent that the water in the installation through-hole 12 from leaking from the through-hole, guarantees the effect that electronic suction pump drew water.

In addition, a circular groove for installing the motor 6 is formed in the end face of the outer side of the rear end cover 11, the shell of the motor 6 is inserted into the circular groove, and the rear end cover 11 is fixedly connected with the motor 6 through a screw rod penetrating through the rear end cover 11.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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. An electric water pump is characterized by comprising a motor, a shell, an impeller, a front end cover, a rear end cover and a water outlet pipe, wherein the shell is in a rectangular plate shape, the front end cover and the rear end cover are respectively in a circular plate shape, an installation through hole for installing the impeller is formed in the middle of the end face of the shell, an arc water outlet groove is formed in the inner wall of the installation through hole, a water outlet hole extending towards the water outlet groove and communicated with the water outlet groove is formed in the outer wall of the shell, the inner diameter of the water outlet hole is the same as the inner diameter of the water outlet pipe, an annular step position arranged along the annular direction is formed in one end, located on the outer side, of the water outlet hole, the inner diameter of the annular step position is the same as the outer diameter of the water outlet pipe, the water outlet pipe is connected to the annular step position in a limiting mode, the water outlet, the impeller with the coaxial setting of installation through-hole is installed in the installation through-hole, the motor install in on the rear end cap just the output shaft of motor with the coaxial setting of installation through-hole, the output shaft of motor run through the rear end cap and with the impeller is connected and can drives the impeller and rotate, the axle center department of front end cap is equipped with the water inlet of intercommunication external and impeller, water inlet department is equipped with the connector that is used for being connected with water intake pipe.

2. The electric water pump according to claim 1, wherein the front end cap and the rear end cap are respectively provided with a plurality of connection holes aligned in position and connected by screws inserted into the connection holes, and the front end cap and the rear end cap are respectively provided with a plurality of disassembly holes.

3. The electric water pump according to claim 1, wherein the connector is a threaded connector and is disposed outside the front end cap and is integrally formed with the front end cap.

4. The electric water pump according to claim 1, wherein the impeller comprises two mounting plates and 4 blades, the two mounting plates are opposite and have outer edges aligned, the 4 blades are respectively arranged between the two mounting plates in a circumferential array and are respectively fixedly connected with the two mounting plates, and an impeller connecting shaft extending outward and used for connecting with the output shaft of the motor is arranged on an axis of the outer surface of one of the mounting plates.

5. The electric water pump according to claim 4, wherein the output shaft of the motor is inserted into the impeller connecting shaft, an end of the impeller connecting shaft abuts against an end surface of the rear end cover, a through hole through which the output shaft of the motor can pass is formed in an axis of the rear end cover, a gasket for separating the through hole from the mounting through hole and retaining water is arranged between the impeller connecting shaft and the rear end cover, the gasket has an annular cross section, and the output shaft passes through the gasket and is connected with the impeller connecting shaft.

6. The electric water pump according to claim 5, wherein a groove having the same shape as the cross-section of the gasket is formed on the end surface of the housing, and the gasket is embedded in the groove.

7. The electric water pump according to claim 2, wherein the number of the connection holes on the front end cover is 6,6 of the connection holes are arranged on the front end cover along an annular array, and two of the disassembly holes are respectively arranged on the front end cover and the rear end cover.

8. The motorized water pump of claim 1, wherein the impeller has an outer diameter less than an inner diameter of the mounting through-hole.

9. The electric suction pump of claim 4, wherein the vane is in the shape of a circular arc plate.

10. The electric suction pump of claim 9, wherein the radius of curvature of the vane is 18mm-28 mm.