CN216742024U

CN216742024U - Double-end electronic pump

Info

Publication number: CN216742024U
Application number: CN202122330374.8U
Authority: CN
Inventors: 熊颖申; 李艳辉; 雷立强
Original assignee: Shenzhen Cnht Ltd
Current assignee: Shenzhen Cnht Ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-06-14
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses a double-head electronic pump which comprises a double-head motor assembly, and a centrifugal water pump assembly and a vacuum pump assembly which are respectively arranged at two ends of the double-head motor assembly, wherein the centrifugal water pump assembly comprises a volute and a centrifugal impeller positioned in the volute, the centrifugal impeller is arranged at a first output end of the double-head motor assembly, the vacuum pump assembly comprises a diaphragm support, a one-way valve plate and an air chamber device, the diaphragm support is provided with a diaphragm device, the one-way valve plate is provided with a one-way valve plate, and a second output end of the double-head motor assembly is connected to one end of the diaphragm device through a connecting assembly. The double-end electronic pump has the advantages of simple structure, low implementation cost, small occupied space, use cost saving and the like which are not possessed by the existing products.

Description

Double-end electronic pump

Technical Field

The utility model relates to the field of pumps, in particular to a double-head electronic pump.

Background

The pump is a device widely used in various occasions, and is closely related to the life of people.

Most of the existing intelligent toilets are provided with a water pump and a vacuum pump. The water pump is used for enhancing the flushing water pressure, and the vacuum pump is used for increasing the negative pressure in the S-shaped pipeline of the closestool and enhancing the siphon function; the water pump and the vacuum pump both need to use the motor, so that the cost is increased, the space occupied by the two motors is large, the layout of the space inside the closestool is seriously influenced, and the use experience is poor.

Therefore, the present invention aims to provide a new technical solution to solve the existing technical drawbacks.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a double-head electronic pump, which solves the technical defects of high equipment cost, large occupied space, influence on space layout and the like in the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a double-end electronic pump, includes double-end motor element and sets up centrifugal water pump assembly, the vacuum pump assembly at double-end motor element both ends respectively, centrifugal water pump assembly includes the spiral case and is located the inside centrifugal impeller of spiral case, centrifugal impeller sets up the first output at double-end motor element, vacuum pump assembly includes diaphragm support, one-way valve plate and air chamber device, be provided with the diaphragm device on the diaphragm support, be provided with one-way valve block on the one-way valve plate, double-end motor element's second output is connected to through coupling assembling the one end of diaphragm device, double-end motor element's first output can drive centrifugal impeller operation and realization pump water function, double-end motor element's second output accessible coupling assembling drive diaphragm device reciprocating motion realizes the pump gas function.

As a further improvement of the above technical solution, the connecting assembly includes an eccentric wheel fixedly disposed at the second output end of the double-headed motor assembly, a connecting rod connected at the inner end of the diaphragm device, and an eccentric driving shaft connected between the eccentric wheel and the connecting rod, the second output end of the double-headed motor assembly can be driven by the eccentric wheel and the eccentric driving shaft to periodically swing the connecting rod and further drive the diaphragm device to periodically reciprocate and deform to realize the pumping function through the connecting rod.

As a further improvement of the technical scheme, a connecting rod concave position is arranged at the central position of the connecting rod, a connecting rod shaft sleeve is arranged in the connecting rod concave position, and the free end of the eccentric driving shaft is arranged on the inner ring of the connecting rod shaft sleeve and is rotationally connected with the connecting rod through the connecting rod shaft sleeve.

As a further improvement of the above technical solution, the double-headed motor assembly includes a motor housing and a motor stator disposed inside the motor housing, a motor rotor is disposed inside the motor stator, an output shaft of the motor is located at a central position of the motor rotor, and two ends of the output shaft are directly or indirectly fixed at two ends of the motor housing through a motor bearing.

As a further improvement of the above technical solution, a first motor end cover and a second motor end cover are respectively disposed at two ends of the motor housing, the volute is fixedly mounted at the outer side of the first motor end cover, and a first output end of the output shaft extends through the first motor end cover and enters an inner space of the volute; the diaphragm support is fixedly mounted on the outer side of the second motor end cover, and the second output end of the output shaft extends through the second motor end cover and into the inner space of the diaphragm support.

As a further improvement of the technical scheme, a first output end of an output shaft of the motor is mounted on a first motor end cover through a first motor bearing, the first motor end cover is matched and positioned with a step position of a first end of the motor shell through a step position, and a second output end of the output shaft is mounted at a second end of the motor shell through a second motor bearing.

As a further improvement of the above technical solution, the motor housing includes an outer housing layer and an inner housing layer which are integrally formed, the outer housing layer and the inner housing layer are connected into a whole at one end thereof by an end connection portion, a rotor space is provided inside the inner housing layer, a stator space is provided between the outer housing layer and the inner housing layer, the motor rotor is installed in the rotor space, and the motor stator is installed in the stator space.

As a further improvement of the technical scheme, the diaphragm device is provided with five bowl-shaped diaphragm cups, the diaphragm support is provided with through holes corresponding to the diaphragm cups, the diaphragm device is fixed between the diaphragm support and the one-way valve plate, the inner end of the diaphragm cup is provided with a connecting lug, and the connecting lug is connected with the connecting device.

As a further improvement of the above technical solution, the air chamber device has an air inlet and an air outlet, the air chamber device has an air inlet chamber and an air outlet chamber inside, the air inlet is communicated with the air inlet chamber, the air outlet is communicated with the air outlet chamber, the air inlet chamber and the air outlet chamber are separated by an air chamber annular partition plate, five air inlet check valve plates and one air outlet check valve plate are installed on the check valve plate, the check valve plate is provided with five air inlet holes and five air outlet holes, the five air inlet holes and the five air outlet holes are separated by an air hole annular partition plate, the air hole annular partition plate is correspondingly connected with the air chamber annular partition plate, each air inlet hole is provided with one air inlet check valve plate, the five air outlet holes share one air outlet check valve plate, the air chamber device has a protrusion inside, and the protrusion is used for compressing the air outlet check valve plate at a corresponding installation position on the check valve plate.

As a further improvement of the above technical solution, a motor slot device is arranged at a side portion of the double-headed motor assembly, and the motor slot device is connected with an internal coil of the double-headed motor assembly and used for plugging an external power supply.

The utility model has the beneficial effects that: the utility model provides a double-head electronic pump, wherein a double-head motor assembly is used for driving a centrifugal water pump assembly and a vacuum pump assembly to work, so that the purpose of driving two pumps by one motor is achieved, the cost and the space volume are greatly saved, the layout is more convenient for the internal space of a closestool, the use experience is better, and the electric energy and the use cost are also saved.

In conclusion, the double-head electronic pump overcomes the technical defects that the equipment cost is high, the occupied space is large, the spatial layout is influenced and the like in the prior art.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is an assembly schematic of the present invention;

FIG. 2 is a structural cross-sectional view of the present invention;

FIG. 3 is an exploded view of the structure of the present invention;

fig. 4 is a schematic structural view of a motor housing according to the present invention;

FIG. 5 is a schematic view of the check valve plate of the present invention;

FIG. 6 is a schematic view of the construction of the air chamber device of the present invention;

FIG. 7 is a schematic view of another angle of the air cell device of the present invention.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The technical features of the utility model can be combined interactively without conflicting with each other, see fig. 1-7.

The utility model provides a double-end electronic pump, includes double-end motor element 1 and sets up centrifugal water pump assembly 2, the vacuum pump assembly 3 at double-end motor element 1 both ends respectively, specifically, double-end motor element 1 includes motor casing 11 and sets up at the inside motor stator 12 of motor casing 11, double-end motor element 1 lateral part is provided with motor slot device 19, motor slot device 19 is connected with double-end motor element 1's inside coil and is used for pegging graft external power source. A motor rotor 13 is arranged inside the motor stator 12, an output shaft 14 of the motor is located at the center of the motor rotor 13, two ends of the output shaft 14 are directly or indirectly fixed to two ends of the motor housing 11 through motor bearings, two ends of the motor housing 11 are respectively provided with a first motor end cover 15 and a second motor end cover 16, the volute casing 21 is fixedly installed on the outer side of the first motor end cover 15, and a first output end of the output shaft 14 extends through the first motor end cover 15 and enters the inner space of the volute casing 21; the diaphragm support 31 is fixedly installed at the outer side of the second motor end cover 16, the second output end of the output shaft 14 extends through the second motor end cover 16 and enters the inner space of the diaphragm support 31, the first output end of the output shaft 14 of the motor is installed on the first motor end cover 15 through the first motor bearing 17, the first motor end cover 15 is located in a matching mode with the step position of the first end of the motor housing 11 through the step position, and the second output end of the output shaft 14 is installed at the second end of the motor housing 11 through the second motor bearing 18.

In this embodiment, the first motor bearing 17 is a graphite bearing, and the second motor bearing 18 is a deep groove ball bearing.

The centrifugal water pump assembly 2 comprises a volute 21 and a centrifugal impeller 22 located inside the volute 21, the centrifugal impeller 22 is arranged at a first output end of the double-head motor assembly 1, the vacuum pump assembly 3 comprises a diaphragm support 31, a one-way valve plate 32 and an air chamber device 33, the diaphragm support 31 is provided with the diaphragm device 34, the one-way valve plate 32 is provided with the one-way valve plate, a second output end of the double-head motor assembly 1 is connected to one end of the diaphragm device 34 through a connecting assembly, the first output end of the double-head motor assembly 1 can drive the centrifugal impeller 22 to operate and realize a water pumping function, the second output end of the double-head motor assembly 1 can drive the diaphragm device 34 to reciprocate and realize a gas pumping function through the connecting assembly, and particularly, the connecting assembly comprises an eccentric wheel 35, a centrifugal impeller, and a centrifugal impeller 22, wherein the eccentric wheel is fixedly arranged at a second output end of the double-head motor assembly 1, Connecting rod 36 and the eccentric drive shaft 37 of connection between eccentric wheel 35 and connecting rod 36 at diaphragm device 34 inner, the second output accessible of double-end motor element 1 eccentric wheel 35 and eccentric drive shaft 37 drive connecting rod 36 periodic oscillation and further through connecting rod 36 drive diaphragm device 34 periodic reciprocating motion is in order to realize the pump gas function, connecting rod 36 central point has the connecting rod concave position, be provided with connecting rod axle sleeve 38 in the connecting rod concave position, the free end of eccentric drive shaft 37 is installed the inner circle of connecting rod axle sleeve 38 is connected with connecting rod 36 rotation through connecting rod axle sleeve 38, adopts connecting rod axle sleeve 38 resistance when can reduce connecting rod 36 and rotate to reduce wearing and tearing, reduce vibrations, increase of service life, promotion use experience.

In this embodiment, the motor housing 11 includes an outer housing layer 111 and an inner housing layer 112 that are integrally formed, the outer housing layer 111 and the inner housing layer 112 are integrally connected at one end thereof by an end connection portion 113, a rotor space 114 is provided inside the inner housing layer 112, a stator space 115 is provided between the outer housing layer 111 and the inner housing layer 112, the motor rotor 13 is installed in the rotor space 114, and the motor stator 12 is installed in the stator space 115.

Preferably, the diaphragm device 34 has five bowl-shaped diaphragm cups, the diaphragm support 31 has through holes corresponding to the diaphragm cups, the diaphragm device 34 is fixed between the diaphragm support 31 and the check valve plate 32, the inner end of the diaphragm cup has a connection lug, the connection lug is connected with the connection device, the air chamber device 33 has an air inlet 331 and an air outlet 332, the inner side of the air chamber device 33 has an air inlet chamber 333 and an air outlet chamber 334, the air inlet 331 is communicated with the air inlet chamber 333, the air outlet 332 is communicated with the air outlet chamber 334, the air inlet chamber 333 is separated from the air outlet chamber 334 by an air chamber annular partition plate 335, the check valve plate 32 is provided with five air inlet check valve plates 391 and one air outlet check valve plate 392, the check valve plate 32 is provided with five air inlet holes 321 and five air outlet holes 322, the five air outlet holes 321 are separated from the five air inlet hole annular partition plates 323, the air hole annular partition plate 323 is correspondingly connected with the air chamber annular partition plate 335, each air inlet hole 321 is provided with an air inlet one-way valve plate 391, five air outlet holes 322 share an air outlet one-way valve plate 392, the inner side of the air chamber device 33 is provided with a protrusion 336, and the protrusion 336 is used for pressing the air outlet one-way valve plate 392 on a corresponding mounting position of the one-way valve plate 32.

In the specific implementation of the utility model, when the double-headed motor assembly 1 starts to work, the first output end of the output shaft 14 of the double-headed motor assembly 1 drives the impeller 22 to start to work, and the impeller is matched with the volute 21 to realize the water pumping function.

Meanwhile, the second output end of the output shaft 14 drives the connecting rod 36 to periodically swing through the eccentric wheel 35 and the eccentric driving shaft 37 and further drives the five diaphragm cups of the diaphragm device 34 to periodically contract and expand, and the pumping function is realized by matching with the unidirectional air supply characteristics of the air inlet one-way valve plate 391 and the air outlet one-way valve plate 392.

This kind of double-end electronic pump has realized the function of pump water, pump gas through a motor, has saved equipment cost, and has reduced the volume, uses in intelligent closestool field, can save a large amount of inner spaces, uses more energy-conservingly, and it is better to use experience.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A double-ended electronic pump, characterized by: the double-head water pump assembly comprises a double-head motor assembly (1), and a centrifugal water pump assembly (2) and a vacuum pump assembly (3) which are respectively arranged at two ends of the double-head motor assembly (1), wherein the centrifugal water pump assembly (2) comprises a volute (21) and a centrifugal impeller (22) positioned in the volute (21), the centrifugal impeller (22) is arranged at a first output end of the double-head motor assembly (1), the vacuum pump assembly (3) comprises a diaphragm support (31), a one-way valve plate (32) and an air chamber device (33), the diaphragm support (31) is provided with a diaphragm device (34), the one-way valve plate (32) is provided with a one-way valve plate, a second output end of the double-head motor assembly (1) is connected to one end of the diaphragm device (34) through a connecting assembly, and the first output end of the double-head motor assembly (1) can drive the centrifugal impeller (22) to operate and realize a water pumping function, the second output end of the double-head motor assembly (1) can drive the diaphragm device (34) to reciprocate through the connecting assembly and realize the air pumping function.

2. A double-ended electronic pump according to claim 1, wherein: connecting assembly is including fixed setting up eccentric wheel (35), the connecting rod (36) of connecting at diaphragm device (34) the inner of the second output of double-end motor assembly (1) and connect eccentric drive axle (37) between eccentric wheel (35) and connecting rod (36), the second output accessible of double-end motor assembly (1) eccentric wheel (35) and eccentric drive axle (37) drive connecting rod (36) periodic oscillation and further through connecting rod (36) drive diaphragm device (34) periodic reciprocating deformation motion is in order to realize the pump gas function.

3. A double-ended electronic pump according to claim 2, wherein: the connecting rod (36) is provided with a connecting rod concave position at the central position, a connecting rod shaft sleeve (38) is arranged in the connecting rod concave position, and the free end of the eccentric driving shaft (37) is installed on the inner ring of the connecting rod shaft sleeve (38) and is rotationally connected with the connecting rod (36) through the connecting rod shaft sleeve (38).

4. A double-ended electronic pump according to claim 1, wherein: the double-end motor assembly (1) comprises a motor shell (11) and a motor stator (12) arranged inside the motor shell (11), a motor rotor (13) is arranged inside the motor stator (12), an output shaft (14) of the motor is located at the central position of the motor rotor (13), and two ends of the output shaft (14) are directly or indirectly fixed at two ends of the motor shell (11) through motor bearings.

5. A double-ended electronic pump according to claim 4, wherein: a first motor end cover (15) and a second motor end cover (16) are respectively arranged at two ends of the motor shell (11), the volute (21) is fixedly arranged at the outer side of the first motor end cover (15), and a first output end of the output shaft (14) extends through the first motor end cover (15) and enters the inner space of the volute (21); the diaphragm support (31) is fixedly arranged on the outer side of the second motor end cover (16), and the second output end of the output shaft (14) extends through the second motor end cover (16) and enters the inner space of the diaphragm support (31).

6. A double-ended electronic pump according to claim 5, wherein: a first output end of an output shaft (14) of the motor is mounted on a first motor end cover (15) through a first motor bearing (17), the first motor end cover (15) is matched and positioned with a step position of a first end of a motor shell (11) through a step position, and a second output end of the output shaft (14) is mounted at a second end of the motor shell (11) through a second motor bearing (18).

7. A double-ended electronic pump according to claim 4, wherein: the motor shell (11) comprises a shell outer layer (111) and a shell inner layer (112) which are integrally formed, the shell outer layer (111) and the shell inner layer (112) are connected into a whole at one end of the shell outer layer through an end connecting portion (113), a rotor space (114) is arranged inside the shell inner layer (112), a stator space (115) is arranged between the shell outer layer (111) and the shell inner layer (112), the motor rotor (13) is installed in the rotor space (114), and the motor stator (12) is installed in the stator space (115).

8. A double-ended electronic pump according to claim 1, wherein: five bowl-shaped diaphragm cups are arranged on the diaphragm device (34), through holes corresponding to the diaphragm cups are formed in the diaphragm support (31), the diaphragm device (34) is fixed between the diaphragm support (31) and the one-way valve plate (32), connecting lugs are arranged at the inner ends of the diaphragm cups and are connected with the connecting device.

9. A double-ended electronic pump according to claim 1, wherein: the air chamber device (33) is provided with an air inlet (331) and an air outlet (332), the inner side of the air chamber device (33) is provided with an air inlet chamber (333) and an air outlet chamber (334), the air inlet (331) is communicated with the air inlet chamber (333), the air outlet (332) is communicated with the air outlet chamber (334), the air inlet chamber (333) is separated from the air outlet chamber (334) through an air chamber annular partition plate (335), the check valve plate (32) is provided with five air inlet check valve plates (391) and one air outlet check valve plate (392), the check valve plate (32) is provided with five air inlet holes (321) and five air outlet holes (322), the five air inlet holes (321) are separated from the five air outlet holes (322) through air hole annular partition plates (323), the air hole annular partition plates (323) are correspondingly connected with the air chamber annular partition plate (335), and each air inlet hole (321) is provided with one air inlet check valve plate (391), five air outlet holes (322) share one air outlet one-way valve plate (392), the inner side of the air chamber device (33) is provided with a protrusion (336), and the protrusion (336) is used for pressing the air outlet one-way valve plate (392) on a corresponding mounting position of the one-way valve plate (32).

10. A double-ended electronic pump according to claim 1, wherein: the motor inserting groove device (19) is arranged on the side portion of the double-end motor assembly (1), and the motor inserting groove device (19) is connected with an inner coil of the double-end motor assembly (1) and used for being inserted with an external power supply.