CN216193467U - Detergent feeding device and washing machine - Google Patents

Abstract

The utility model provides a detergent feeding device and a washing machine, wherein the detergent feeding device comprises: the water inlet valve is used for feeding water into the throwing cavity through the main water inlet pipe and/or the auxiliary water inlet pipe; the liquid storage cavity is internally provided with a feeding liquid; the impeller mechanism comprises at least two impellers, the first impeller is arranged in a first impeller cavity, the second impeller is arranged in a second impeller cavity, and when the power device drives the first impeller to rotate, the first impeller can drive the second impeller to rotate, so that the thrown liquid in the liquid storage cavity can be conveyed to the main water inlet pipe and/or the auxiliary water inlet pipe and/or the throwing cavity through the liquid inlet pipeline and the second impeller cavity. The detergent feeding device is convenient to simplify the feeding structure, reduce the matching of parts and improve the feeding reliability and stability on the basis of feeding one or more detergents.

Description

Detergent feeding device and washing machine

Technical Field

The utility model relates to the technical field of washing machines, in particular to a detergent feeding device and a washing machine.

Background

At present, washing machines with automatic putting functions are released by various washing machine manufacturers, intelligent addition of detergent can be achieved by the washing machines, manual addition of the detergent by users is avoided, and the washing machines are more convenient and good in use feeling. With the development of technology and the increasing perfection of functions of washing machines, the demand of users on the technology of automatically putting detergent into the washing machine is higher and higher. In the related art, the detergent putting device generally adopts a piston pump, a centrifugal pump, a peristaltic pump, an electromagnetic valve and the like, and the detergent is directly put into the water tank, but the detergent put in the mode is poor in water flow mixing effect, so that the washing performance is affected, and the clothes are damaged due to the direct contact of the detergent and the clothes. In addition, the detergent feeding device is complex in structure and high in cost.

And the washing machine with the automatic putting function can intelligently detect parameters such as water quality, clothes dirt degree and the like, and calculate the accurate detergent putting amount. Some automatic putting-in function washing machines judge the weight of clothes by fuzzy weighing, determine the water consumption corresponding to the amount of the clothes, and then control the working time of a putting-in pump according to the fixed proportion of the concentration of the detergent to put in the detergent. A flow sensor is installed on the automatic feeding device of part of washing machines, and the feeding amount is accumulated through the flow sensor so as to improve the accuracy of the feeding amount.

The control of the current various automatic detergent feeding devices on the detergent feeding amount precision is only solved by improving the precision of the feeding devices, however, the feeding devices are only one of the factors influencing the feeding amount, and the influence of the environmental factors of equipment use on the detergent feeding amount is also great. Such as the ambient temperature, the viscosity of various washing and protecting agents and the influence of water inflow on the concentration of washing and protecting articles in washing liquid, and the like, can influence the final washing and protecting effect of washing equipment.

In order to accurately grasp the putting amount and the putting time, the related automatic putting devices mostly adopt electric-driven peristaltic pumps, gear pumps, piston pumps and other pump bodies to extract detergents so as to realize automatic putting, so that the electric-driven pump bodies need to be additionally arranged, the hardware cost is increased, and the washing machine with the automatic putting function is difficult to generally popularize and apply.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a detergent dispensing device and a washing machine, which can automatically dispense one or more detergents by improving a water inlet box and/or a main water inlet valve and/or a dispensing device, simplify a dispensing structure, reduce the matching of parts, and improve the reliability and stability of dispensing.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

a detergent delivery device comprising:

the water inlet valve is used for feeding water into the throwing cavity through the main water inlet pipe and/or the auxiliary water inlet pipe;

the liquid storage cavity is internally provided with a feeding liquid;

impeller mechanism, impeller mechanism includes two at least impellers, two the impeller is first impeller, second impeller respectively, first impeller sets up in first impeller intracavity, and the second impeller sets up in the second impeller intracavity, the second impeller cavity is through liquid inlet pipeline and stock solution chamber intercommunication, first impeller drives through power device and carries out one-way rotation, first impeller with the second impeller passes through transmission and is connected, and when power device drove first impeller and rotates, first impeller can drive the second impeller and rotate, and then can carry main inlet tube and/or vice inlet tube and/or put in the cavity with the liquid of puting in the stock solution intracavity through liquid inlet pipeline, second impeller cavity.

Furthermore, the first impeller cavity and the second impeller cavity are arranged relatively independently, and the transmission device is connected with the first impeller cavity and the second impeller cavity in a rotating and sealing mode through bearings and sealing structures.

Further, the transmission device comprises a connecting shaft, and one end of the connecting shaft is concentrically connected with the impeller shaft of the first impeller; the other end of the connecting shaft is concentrically connected with an impeller shaft of a second impeller.

Further, the first turbine is disposed concentrically with the shaft of the second turbine, and the transmission device includes a gear reduction mechanism for changing a rotation speed ratio of the first turbine to the second turbine.

Further, the power device comprises a motor, and the motor is used for driving the first turbine to rotate.

Furthermore, the first impeller cavity is communicated with the auxiliary water inlet pipe, and the first impeller in the first impeller cavity can be driven to rotate in a single direction when water enters the auxiliary water inlet pipe.

Further, the water inlet valve comprises a main water inlet valve and an auxiliary water inlet valve, and the main water inlet valve is used for controlling the water inlet of the main water inlet pipe; the auxiliary water inlet valve controls water inlet of the auxiliary water inlet pipe, the first impeller cavity is arranged on the auxiliary water inlet pipe, an inlet of the first impeller cavity is communicated with the auxiliary water inlet valve, and an outlet of the first impeller cavity is communicated with the throwing cavity and/or the rear section of the main water inlet pipe and/or the auxiliary water inlet pipe; the import and the stock solution chamber intercommunication in second impeller chamber, the export in second impeller chamber with put in cavity and/or main inlet tube and/or vice inlet tube back end intercommunication.

Further, the impeller mechanism comprises a shell, a first impeller cavity and a second impeller cavity are formed in the shell, and the first impeller cavity and the second impeller cavity are separated through a partition plate.

Furthermore, a flowmeter is arranged in the auxiliary water inlet pipe, and/or a flowmeter is arranged on the liquid inlet pipeline.

Compared with the prior art, the detergent feeding device has the following advantages:

(1) the detergent feeding device disclosed by the utility model realizes automatic feeding of the fed liquid through the arranged impeller mechanism, has a smart structure and controllable feeding speed, and ensures the working stability and reliability of the detergent feeding device.

(2) The detergent feeding device can utilize kinetic energy generated by water flow motion to drive the first impeller of the impeller mechanism to rotate in a single direction in the first impeller cavity, the first impeller drives the second impeller to rotate in a single direction in the second impeller cavity through the transmission device, and then the fed liquid in the liquid storage cavity is sucked and fed into the feeding cavity and/or the auxiliary water inlet pipe and/or the main water inlet pipe.

(3) The detergent feeding device can be assembled on a washing machine as an independent detergent feeding device, and can also be integrated on the washing machine, the structure is reasonable, the application range is wide, the popularization and the use are easy, the smoothness and the stability of detergent feeding are ensured, the control is accurate, and the washing effect is greatly improved.

Another object of the present invention is to provide a washing machine including the detergent dispensing device.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 is a schematic diagram of a detergent dispensing device according to embodiment 1 of the present invention;

fig. 2 is a schematic diagram of a detergent dispensing device according to embodiment 2 of the present invention;

FIG. 3 is a schematic diagram of a second structure of a detergent dispensing device according to embodiment 2 of the present invention;

FIG. 4 is a schematic diagram of a second structure of a detergent dispensing device according to embodiment 3 of the present invention;

description of reference numerals:

1. the main water inlet valve, 2, a main water inlet pipe, 3, an auxiliary water inlet valve, 4, an auxiliary water inlet pipe front section, 5, an impeller mechanism, 501, a first impeller, 502, a second impeller, 503, a connecting shaft, 504, a housing, 505, a first impeller cavity, 506, a second impeller cavity, 507, a partition plate, 6, a crank connecting rod, 7, a piston pump, 701, a moving piston, 702, a connecting rod member, 8, a liquid inlet pipe rear section, 9, a flowmeter, 10, a liquid inlet pipe front section, 11, a liquid storage cavity, 12, a liquid discharge pipe, 13, an auxiliary water inlet pipe rear section, 14, a throwing cavity, 15, an auxiliary water inlet pipe, 16, a liquid suction device, a sliding block, 17, a water inlet valve, 18, 1801, a frame, 18011, a sliding edge, 1802, a first internal tooth section, 1803, a second internal tooth section, 19, a transmission gear, 1901, an external tooth section, 1902 and a transmission shaft.

Detailed Description

In order to make the technical means, objectives and functions of the present invention easy to understand, embodiments of the present invention will be described in detail with reference to the specific drawings.

It should be noted that all terms used in the present invention for directional and positional indication, such as: the terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "top", "lower", "lateral", "longitudinal", "center", and the like are used only for explaining the relative positional relationship, connection, and the like between the respective members in a certain state (as shown in the drawings), and are only for convenience of describing the present invention, but do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Example 1

As shown in fig. 1, the utility model further discloses a detergent feeding device, which comprises a water inlet valve 17 and a feeding chamber 14, wherein an auxiliary water inlet pipe 15 is arranged between the water inlet valve 17 and the feeding chamber 14, an impeller mechanism 5 is arranged on the auxiliary water inlet pipe 15, the impeller mechanism 5 is connected with a liquid suction device 16, the liquid suction device 16 is connected with the liquid storage chamber 11, feeding liquid is arranged in the liquid storage chamber 11, the impeller mechanism 5 can be driven to rotate when water enters the auxiliary water inlet pipe 15, and then the feeding liquid in the liquid storage chamber 11 is pumped to the feeding chamber 14 and/or the auxiliary water inlet pipe 15 through the liquid suction device 16.

The utility model discloses a device is put in to detergent through being provided with impeller mechanism 5 on vice inlet tube 15, utilizes vice inlet tube 15 hydraulic motion when intaking, drives impeller mechanism 5's impeller rotational motion, and then drives the imbibition device 16 work that links to each other with impeller mechanism 5, and imbibition device 16 can put in the liquid pump sending in the stock solution chamber 11 to putting in the cavity, and/or, in the vice inlet tube 15 to the automatic of putting in liquid is put in the stock solution chamber 11 in the realization.

The detergent feeding device disclosed by the utility model drives the impeller mechanism to rotate by utilizing kinetic energy generated by water flow movement, further drives the liquid suction device to suck the fed liquid in the liquid storage cavity and feed the liquid into the feeding cavity and/or the auxiliary water inlet pipe, has a smart structure, reduces the arrangement of a motor or an electric wire, realizes the suction and feeding of the detergent by utilizing mechanical energy, and ensures the working stability and reliability of the detergent feeding device.

Preferably, as a preferred example of the present invention, the liquid suction device 16 comprises a piston pump 7, and the rotation of the impeller mechanism 5 can drive the piston of the piston pump 7 to reciprocate.

This set up and disclose a imbibition mode of imbibition device, drive impeller mechanism 5 through rivers potential energy and rotate, and then turn into the piston reciprocating motion in the piston pump, and then constantly absorb the liquid pump that drops in the liquid storage cavity 11 and send to and drop in cavity 14 and/or vice inlet tube 15 in, guarantee the smoothness nature and the stability that the detergent was dropped in.

As a preferred example of the present invention, the liquid suction device 16 further comprises a crank connecting rod 6, and the impeller mechanism 5 is connected with the piston pump 7 through the crank connecting rod 6.

The arrangement discloses a specific mode that the impeller mechanism 5 drives the piston pump 7 to reciprocate, the structural connection is stable, the movement is reliable, and the smoothness and the stability of detergent putting are further improved. The crank connecting rod 6 is provided to make the impeller mechanism 5 drive the piston of the piston pump 7 to reciprocate, and this is only an exemplary illustration of a preferred solution for sucking liquid by the liquid sucking device 16, and is not specifically limited.

Preferably, as a preferred example of the present invention, the throwing chamber 14 is a chamber on a drawer box, or the throwing chamber 14 is an integrated chamber on a washing machine, or the throwing chamber 14 is a tub structure on the washing machine.

The detergent feeding device can be assembled on the washing machine as an independent detergent feeding device or integrated on the washing machine, and is reasonable in structure, wide in application range and easy to popularize and use.

As an example of the present invention, the throwing chamber 14 is a drainage chamber on a water inlet box, and the reservoir chamber 11 is disposed on the water inlet box.

The detergent feeding device can be used as an integrated part and is arranged at the position where the detergent is automatically fed on the washing machine without changing the existing structure of the washing machine, and the detergent feeding device is convenient to process and produce and easy to popularize and use.

Preferably, as a preferred example of the present invention, the water inlet valve 17 is a one-inlet-two-outlet valve, one outlet of the water inlet valve 17 is communicated with the secondary water inlet pipe 15, and the other outlet of the water inlet valve 17 is communicated with the primary water inlet pipe 2.

The arrangement enables the detergent feeding device of the utility model to feed water into the feeding chamber 14 through the auxiliary water inlet pipe 15 by the water inlet valve 17 when detergent needs to be fed, and then feed the fed liquid in the liquid storage chamber 11 to the feeding chamber 14 and/or the auxiliary water inlet pipe 15 through the action of the impeller mechanism 5 and the liquid suction device 16. This setting has guaranteed that the detergent puts in the accurate nature and the reliability of device input detergent control.

As a preferred example of the present invention, the main water inlet pipe 2 is communicated with the dosing chamber 14, and the liquid suction device 16 can pump the dosing liquid in the liquid storage chamber 11 into the main water inlet pipe 2.

The arrangement further improves the applicability of the utility model, and the put liquid in the liquid storage cavity 11 is sucked by the impeller mechanism 5 and the liquid suction device 16 and is pumped to the put chamber 14 through the main water inlet pipe 2, and by adopting the arrangement of the structure, the water pressure in the auxiliary water inlet pipe 15 is greater than the water pressure in the main water inlet pipe 2, so that on one hand, the reliability of sucking and putting detergent is ensured, on the other hand, the detergent can be fully mixed in the main water inlet pipe 2, and the washing effect is improved.

Specifically, the water inlet valve 17 comprises a main water inlet valve 1 and an auxiliary water inlet valve 3, and the main water inlet valve 1 is used for controlling the water inlet of the main water inlet pipe 2; the auxiliary water inlet valve 3 controls water inlet of the auxiliary water inlet pipe 15, and the rear ends of the main water inlet pipe 2 and the auxiliary water inlet pipe 15 are communicated with the throwing cavity 14.

This setting has disclosed the mode of intaking of another detergent input device, guarantees the accurate control that the detergent was put in.

As a preferred example of the present invention, the piston pump 7 is connected to the reservoir chamber 11 through a liquid inlet pipeline, and the piston pump 7 is communicated with the dispensing chamber 14 through a liquid outlet pipeline 12.

This setting discloses a concrete structure of piston pump imbibition, flowing back for rivers drive impeller mechanism 5 pivoted mechanical energy and only drive piston 7 of piston pump and do reciprocating motion, absorb with the detergent and set up with the pipeline relatively independent of input, guarantee the accurate control that the detergent absorbs and puts in on the one hand, also make the detergent input to putting in 14 fully mix simultaneously, improve the washing effect.

Preferably, as a preferred example of the present invention, a flow meter 9 is disposed on the liquid inlet pipeline, a front liquid inlet pipe section 10 is disposed between the flow meter 9 and the liquid storage chamber 11, and a rear liquid inlet pipe section 8 is disposed between the flow meter 9 and the piston pump 7.

This arrangement further improves the accuracy of control of detergent uptake and dosing.

Alternatively, the flow meter 9 is disposed in the secondary water inlet pipe 15.

The amount of water flowing through the impeller mechanism 5 is measured, converted into the number of turns of the impeller, and converted into the liquid pumping amount of the piston pump 7, so that the input amount is converted by the water inflow amount of the auxiliary water inlet valve 3. As an example of the present invention, the impeller mechanism 5 divides the sub inlet pipe 15 into a sub inlet pipe front section 4 and a sub inlet pipe rear section 13, and the flow meter 9 is disposed in the sub inlet pipe rear section 13.

Preferably, as a preferred example of the present invention, the connection position of the liquid inlet pipe front section 10 and the liquid storage cavity 11 is a position near the lower end on the bottom wall or the side wall of the liquid storage cavity 11.

This setting makes the liquid of puting in the liquid storage cavity 11 can be smooth and easy flow direction feed liquor pipe anterior segment 10 under the effect of imbibition device 16, guarantees to put in efficiency.

As an example of the utility model, the detergent dispensing device comprises an automatic dispensing water inlet box, and the box body part of the water inlet box comprises a liquid storage cavity 11 and a dispensing cavity 14. The liquid storage cavity 11 can store the liquid for putting various washing articles such as detergent. The water inlet valve 17 is a one-inlet double-outlet water inlet valve and consists of a main water inlet valve 1 and an auxiliary water inlet valve 3, and the main water inlet valve 1 is discharged into the throwing cavity 14 through a main water inlet pipe 2. The auxiliary water inlet valve 3 is discharged into the throwing cavity 14 through the front section 4 of the auxiliary water inlet pipe and the rear section 13 of the auxiliary water inlet pipe. An impeller mechanism 5 is connected between the front section 4 of the auxiliary water inlet pipe and the rear section 13 of the auxiliary water inlet pipe. When water in the auxiliary water inlet pipe 15 passes through the impeller mechanism 5, the water can rotate, so that the crank connecting rod 6 is driven to act, and a piston of a piston pump 7 movably connected with the crank connecting rod is driven to axially reciprocate. The liquid inlet end of the piston pump is communicated with the liquid storage cavity 11 through the liquid inlet pipe front section 10 and the liquid inlet pipe rear section 8, and a flow meter 9 is connected between the liquid inlet pipe front section 10 and the liquid inlet pipe rear section 8. The outlet end of the piston pump 7 is discharged to the dosing chamber 14 through a discharge pipe 12.

The working process is as follows:

the auxiliary water inlet valve 3 works, the water flow drives the impeller mechanism 5 to rotate, and then drives the piston pump 7 to work, so that the thrown liquid in the liquid storage cavity 11 is pumped and discharged into the thrown cavity 14, and further discharged into the barrel body of the washing barrel together with the water discharged by the auxiliary water inlet pipe 15. The flow meter 9 detects the feeding amount of the fed liquid, and stops the work of the auxiliary water inlet valve 3 when the feeding requirement is met. And starting the main water inlet valve 1 to work until the inner part of the barrel body of the washing barrel reaches a set water level.

Example 2

As shown in fig. 2 and 3, the present invention also discloses another detergent dispensing device, comprising:

a liquid storage cavity 11, wherein liquid is put in the liquid storage cavity 11;

the piston pump 7 is connected with the liquid storage cavity 11 through a liquid inlet pipeline, and the piston pump 7 comprises a moving piston 701 and a connecting rod piece 702;

the transmission mechanism comprises a sliding block 18 and a transmission gear 19, the sliding block 18 can reciprocate under the action of the transmission gear 19, and the sliding block 18 is connected with a moving piston 701 through a connecting rod piece 702;

when the transmission gear 19 rotates in one direction, the throwing liquid in the liquid storage cavity 11 can be pumped to the throwing cavity 14 and/or the main water inlet pipe 2 and/or the auxiliary water inlet pipe 15 through the piston pump 7.

According to the detergent feeding device, the transmission gear 19 drives the sliding block 18 to reciprocate through the arranged transmission mechanism, so that the moving piston 701 of the piston pump 7 is driven to reciprocate, the reciprocating motion of the moving piston 701 can pump the fed liquid in the liquid storage cavity 11 connected with the piston pump 7 into the feeding cavity 14 and/or the main water inlet pipe 2 and/or the auxiliary water inlet pipe 15, and therefore the automatic feeding of the fed liquid in the liquid storage cavity 11 is achieved.

According to the detergent feeding device, the moving piston 701 of the piston pump 7 is driven to reciprocate through the arranged transmission mechanism, so that the liquid suction device is driven to suck the fed liquid in the liquid storage cavity and feed the liquid into the feeding cavity and/or the auxiliary water inlet pipe, the structure is ingenious, the feeding is accurate and controllable, and the working stability and reliability of the detergent feeding device are guaranteed.

As a preferred example of the present invention, the slider 18 includes:

the frame 1801, the said frame 1801 is disposed in a form of enclosing;

a first internal gear portion 1802, the first internal gear portion 1802 being provided inside the frame 1801;

a second internal tooth portion 1803, the second internal tooth portion 1803 being disposed inside the frame 1801, and the second internal tooth portion 1803 being disposed intermittently with the first internal tooth portion 1802;

the moving direction of the sliding block 18 when the first internal tooth portion 1802 is in meshing transmission with the transmission gear 19 is opposite to the moving direction of the sliding block 18 when the second internal tooth portion 1803 is in meshing transmission with the transmission gear 19.

This setting discloses the structure of a sliding block, through set up the not continuous internal tooth portion of at least two parts on the sliding block for drive gear 19 realizes sliding block 18's reciprocating motion at least in a motion cycle, and the structure is ingenious, and the transmission is reliable, further improves the detergent and puts in the stability of device work.

As a preferred example of the present invention, the partial structure of the transmission gear 19 is provided with an external tooth portion 1901, and the external tooth portion 1901 can be meshed with the first internal tooth portion 1802 or the second internal tooth portion 1803 for transmission.

Through the arrangement of a partial gear structure, when the external tooth portion 1901 on the transmission gear 19 is meshed with a section of internal tooth portion in the frame 1801, the sliding block 18 drives the moving piston 701 to move towards the direction close to the transmission gear 19; when the external teeth 1901 on the transmission gear 19 is engaged with another internal teeth of the frame 1801, the sliding block 18 drives the moving piston 701 to move away from the transmission gear 19.

Preferably, as a preferred example of the present invention, the frame 1801 is a rectangular frame, the frame 1801 includes two sliding sides 18011, the sliding sides 18011 are horizontal or vertical, the arrangement direction of the sliding sides 18011 is parallel to the reciprocating direction of the moving piston 701, a first internal tooth portion 1802 and a second internal tooth portion 1803 are arranged in the frame 1801, the first internal tooth portion 1802 is arranged on the inner side surface of one sliding side 18011, the second internal tooth portion 1803 is arranged on the inner side surface of the other sliding side 18011, the projections of the first internal tooth portion 1802 and the second internal tooth portion 1803 on the plane of the reciprocating direction of the sliding block 18 are arranged in a staggered manner, a gap is arranged between the first internal tooth portion 1802 and the second internal tooth portion 1803, the external tooth portion 1901 is arranged on the transmission gear 19 by half a turn, and when the rear end of the external tooth portion 1901 is separated from the first internal tooth portion 1802, the front end of the external tooth portion 1901 is in contact engagement with the second internal tooth portion 1803; similarly, when the rear end of the external tooth portion 1901 is separated from the second internal tooth portion 1803, the front end of the external tooth portion 1901 is in contact engagement with the first internal tooth portion 1802.

This setting discloses a meshing transmission structure of sliding block 18 and drive gear 19 to realize that drive gear 19 drives sliding block 18 and carries out periodic reciprocating motion when rotating under the drive of transmission shaft 1902.

As an example of the present invention, the transmission shaft 1902 of the transmission gear 19 is disposed at the center of the transmission gear 19, and the transmission shaft 1902 performs a unidirectional rotation under the driving of the motor, or the transmission shaft 1902 performs a unidirectional rotation under the driving of the impeller mechanism 5.

For example, as shown in fig. 2, when the transmission shaft 1902 drives the external tooth portion 1901 to rotate clockwise, when the front end of the external tooth portion 1901 moves to the upper end of the first internal tooth portion 1802, the slide block 18 drives the moving piston 701 to move in the direction approaching to the transmission gear 19 under the rotation action of the transmission gear 19, when the front end of the external tooth portion 1901 rotates to the upper end of the first internal tooth portion 1802, the rear end of the external tooth portion 1901 continues to be engaged with the first internal tooth portion 1802, and when the transmission gear 19 continues to rotate clockwise, the front end of the external tooth portion 1901 disengages from the first internal tooth portion 1802, the rear end of the external tooth portion 1901 continues to be engaged with the first internal tooth portion 1802, and further drives the moving piston 701 to move in the direction approaching to the transmission gear 19; when the front end of the external tooth 1901 rotates to be engaged with the lower end of the second internal tooth 1803, the rear end of the external tooth 1901 and the right end of the first internal tooth 1802 are about to be disengaged from each other and enter the gap between the first internal tooth 1802 and the second internal tooth 1803, when the transmission gear 19 continues to rotate clockwise, the sliding block 18 drives the moving piston 701 to move away from the transmission gear 19 under the rotation action of the transmission gear 19, and as the transmission gear 19 continues to rotate clockwise, the sliding block 18 drives the moving piston 701 to move away from the transmission gear 19 under the rotation action of the transmission gear 19 until the front end of the external tooth 1901 contacts with the upper end of the first internal tooth 1802, and the rear end of the external tooth 1901 is disengaged from the second internal tooth 1803, so that the moving piston 701 moves in a direction approaching the transmission gear 19.

As an example of the present invention, as shown in fig. 3, the detergent dispensing device further includes:

a water inlet valve 17, wherein the water inlet valve 17 feeds water to the throwing cavity 14 through the main water inlet pipe 2 and/or the auxiliary water inlet pipe 15;

set up impeller mechanism 5 on vice inlet tube 15, can drive impeller mechanism 5 when vice inlet tube 15 intakes, impeller mechanism 5 can drive mechanism's transmission shaft 1902 unidirectional rotation.

The utility model discloses a device is put in to detergent drives impeller mechanism 5 unidirectional rotation when intaking through vice inlet tube 15, and then drives transmission shaft 1902 unidirectional rotation, and then drives motion piston 701 and carries out reciprocating motion, will through piston pump 7 the liquid pump that puts in the stock solution chamber 11 is sent to putting in cavity 14 and/or main inlet tube 2 and/or vice inlet tube 15. Other structures can refer to embodiment 1.

This setting utilizes the kinetic energy that utilizes rivers motion to produce, drives impeller mechanism and rotates, and then drives drive mechanism's 19 unidirectional rotation of drive gear, and then realizes absorbing the throwing in liquid of stock solution intracavity and put in to the purpose of putting in cavity and/or vice inlet tube, and the structure is ingenious, has reduced the setting of motor or electric wire, utilizes mechanical energy to realize that the absorption of detergent is put in.

As a preferred example of the present invention, the throwing chamber 14 is a chamber on a drawer box, or the throwing chamber 14 is an integrated chamber on a washing machine, or the throwing chamber 14 is a tub structure on the washing machine.

As a preferred example of the utility model, a flow meter 9 is arranged in said secondary inlet pipe 15 and/or a flow meter 9 is arranged on the inlet pipe.

Example 3

As shown in fig. 4, the present invention also discloses another detergent dispensing device, comprising:

a water inlet valve 17, wherein the water inlet valve 17 feeds water to the throwing cavity 14 through the main water inlet pipe 2 and/or the auxiliary water inlet pipe 15;

a liquid storage cavity 11, wherein liquid is put in the liquid storage cavity 11;

impeller mechanism 5, impeller mechanism 5 includes two at least impellers, two the impellers are first impeller 501, second impeller 502 respectively, first impeller 501 sets up in first impeller cavity 505, and second impeller 502 sets up in second impeller cavity 506, second impeller cavity 506 is through liquid inlet pipeline and liquid storage cavity 11 intercommunication, first impeller 501 carries out single-direction rotation through power device drive, first impeller 501 with second impeller 502 passes through transmission and is connected, and when power device drove first impeller 501 and rotate, first impeller 501 can drive second impeller 502 and rotate, and then can carry the liquid of puting in the liquid storage cavity 11 to main inlet tube 2 and/or vice inlet tube 15 and/or puting in cavity 14 through liquid inlet pipeline, second impeller cavity 506.

According to the detergent feeding device, the impeller mechanism 5 comprising at least two impellers is arranged, the two impellers are arranged in two cavities and are connected through the transmission device, the first impeller 501 drives the second impeller 502 to rotate through the transmission device under the action of the power device, the second impeller cavity 506 where the second impeller 502 is located is communicated with the liquid storage cavity 11 through the liquid inlet pipeline, when the second impeller 502 rotates in the same direction, suction force can be generated in the second impeller cavity 506, then fed liquid in the liquid storage cavity 11 is extracted into the second impeller cavity 506, and then the fed liquid in the second impeller cavity 506 is conveyed into the main water inlet pipe 2 and/or the auxiliary water inlet pipe 15 and/or the feeding cavity 14 through the liquid discharge pipe 12, so that automatic feeding of the fed liquid in the liquid storage cavity 11 is realized.

The detergent feeding device disclosed by the utility model realizes automatic feeding of the fed liquid through the arranged impeller mechanism, has a smart structure and controllable feeding speed, and ensures the working stability and reliability of the detergent feeding device.

As a preferred example of the present invention, the first impeller cavity 505 and the second impeller cavity 506 are disposed separately from each other, and the transmission device is connected to the first impeller cavity 505 and the second impeller cavity 506 in a rotating and sealing manner through a bearing and a sealing structure.

This arrangement ensures the sealing property between the first impeller chamber 505 and the second impeller chamber 506, and ensures the reliability of the liquid supply from the liquid storage chamber 11 when the second impeller 502 rotates in the second impeller chamber 506.

As a preferred example of the present invention, the first turbine 501 is disposed concentrically with the shaft of the second turbine 502.

The arrangement reasonably utilizes the space of the impeller mechanism 5, and simultaneously ensures the reliability and stability of the rotation motion of the first impeller 501 driving the second impeller 502.

Preferably, as an example of the present invention, the transmission device includes a connecting shaft 503, one end of the connecting shaft 503 is concentrically connected with the impeller shaft of the first impeller 501; the other end of the connecting shaft 503 is concentrically connected to the impeller shaft of the second impeller 502.

This arrangement ensures that the first turbine 501 rotates synchronously with the second turbine 502.

Alternatively, as an example of the present invention, the transmission device includes a gear reduction mechanism for changing a rotation speed ratio of the first turbine 501 to the second turbine 502.

This arrangement ensures that the first turbine 501 drives the second turbine 502 to rotate, thereby achieving the reliability of pumping the liquid in the liquid storage chamber 11.

As an example of the present invention, the power plant comprises an electric motor for rotating the first impeller 501.

As another example of the present invention, the first impeller chamber 505 is communicated with the secondary water inlet pipe 15, and when water enters the secondary water inlet pipe 15, the first impeller 501 in the first impeller chamber 505 can be driven to rotate in one direction.

As an example of the present invention, the water inlet valve 17 comprises a main water inlet valve 1 and a sub water inlet valve 3, the main water inlet valve 1 is used for controlling the water inlet of the main water inlet pipe 2; the auxiliary water inlet valve 3 controls the water inlet of the auxiliary water inlet pipe 15, the first impeller cavity 505 is arranged on the auxiliary water inlet pipe 15, the inlet of the first impeller cavity 505 is communicated with the auxiliary water inlet valve 3, and the outlet of the first impeller cavity 505 is communicated with the throwing cavity 14 and/or the main water inlet pipe 2 and/or the auxiliary water inlet pipe rear section 13; the inlet of the second impeller cavity 506 is communicated with the liquid storage cavity 11, and the outlet of the second impeller cavity 506 is communicated with the throwing cavity 14 and/or the main water inlet pipe 2 and/or the auxiliary water inlet pipe rear section 13.

This setting utilizes the kinetic energy that utilizes rivers motion to produce, drives first turbine 501 in first impeller cavity 505 and is unidirectional rotation, and then drives second impeller 502 unidirectional rotation in second impeller cavity 506, and then realizes absorbing the throwing in liquid of stock solution intracavity and puts in to the purpose of putting in cavity 14 and/or main inlet tube 2 and/or vice inlet tube 15, and the structure is ingenious, has reduced the setting of motor or electric wire, utilizes mechanical energy to realize the absorption of detergent and puts in.

As an example of the present invention, the impeller mechanism 5 includes a housing 504, a first impeller chamber 505 and a second impeller chamber 506 are formed in the housing 504, and the first impeller chamber 505 and the second impeller chamber 506 are separated by a partition 507.

This setting guarantees impeller mechanism 5 reliability and the stability of work when vice inlet tube 15 intakes, and then improves the precision of detergent input control.

As an example of the present invention, the detergent feeding device includes a water inlet valve 17 and a feeding chamber 14, a main water inlet pipe 2 and an auxiliary water inlet pipe 15 are disposed between the water inlet valve 17 and the feeding chamber 14, the auxiliary water inlet pipe 15 is communicated with a first impeller cavity 505 of an impeller mechanism 5, the auxiliary water inlet pipe 15 can drive a first impeller 501 in the first impeller cavity 505 to rotate in a single direction when water is fed, the first impeller 501 drives a second impeller 502 to rotate through a transmission device, the second impeller 502 can suck the fed liquid in a liquid storage cavity 11 to the second impeller cavity 506 through a liquid inlet pipeline when rotating, and the second impeller 502 continuously rotates to further convey the fed liquid in the second impeller cavity 506 to the feeding chamber 14, and/or the main water inlet pipe 2 and/or the auxiliary water inlet pipe 15. Other structures can be referred to other embodiments, especially embodiment 1.

Preferably, as a preferred example of the present invention, the throwing chamber 14 is a chamber on a drawer box, or the throwing chamber 14 is an integrated chamber on a washing machine, or the throwing chamber 14 is an upper barrel of the washing machine. As an example of the utility model, the dosing chamber 14 is a drainage chamber on the detergent box.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. A detergent dispensing device, comprising:

a water inlet valve (17), wherein the water inlet valve (17) feeds water to the throwing cavity (14) through the main water inlet pipe (2) and/or the auxiliary water inlet pipe (15);

the liquid storage cavity (11) is internally provided with a feeding liquid;

the impeller mechanism (5) comprises at least two impellers, the two impellers are a first impeller (501) and a second impeller (502) respectively, the first impeller (501) is arranged in a first impeller cavity (505), the second impeller (502) is arranged in a second impeller cavity (506), the second impeller cavity (506) is communicated with the liquid storage cavity (11) through a liquid inlet pipeline, the first turbine (501) is driven by a power device to rotate in a single direction, the first turbine (501) is connected with the second turbine (502) through a transmission device, when the power device drives the first turbine (501) to rotate, the first turbine (501) can drive the second turbine (502) to rotate, and then the liquid in the liquid storage cavity (11) can be conveyed to the main water inlet pipe (2) and/or the auxiliary water inlet pipe (15) and/or the throwing cavity (14) through the liquid inlet pipeline and the second impeller cavity (506).

2. The detergent dispensing device according to claim 1, wherein the first impeller cavity (505) and the second impeller cavity (506) are disposed independently, and the transmission device is connected to the first impeller cavity (505) and the second impeller cavity (506) in a rotating and sealing manner through a bearing and a sealing structure.

3. The detergent dispensing device according to claim 1 or 2, wherein the transmission device comprises a connecting shaft (503), one end of the connecting shaft (503) is concentrically connected with the impeller shaft of the first impeller (501); the other end of the connecting shaft (503) is concentrically connected with an impeller shaft of the second impeller (502).

4. Detergent delivery device according to claim 1 or 2, wherein the first impeller (501) is arranged concentrically with respect to the axis of the second impeller (502), and wherein the transmission comprises a gear reduction mechanism for changing the ratio of the rotational speeds of the first impeller (501) and the second impeller (502).

5. A detergent delivery device according to claim 1, wherein the power means comprises an electric motor for rotating the first impeller (501).

6. A detergent dispensing device as claimed in claim 1, wherein said first impeller chamber (505) is in communication with a secondary water inlet pipe (15) for driving the first impeller (501) in the first impeller chamber (505) to rotate in one direction when the secondary water inlet pipe (15) is filled with water.

7. Detergent dispensing device according to claim 6, wherein said water inlet valve (17) comprises a main water inlet valve (1) and a secondary water inlet valve (3), said main water inlet valve (1) being adapted to control the water inlet of said main water inlet pipe (2); the auxiliary water inlet valve (3) controls water inlet of the auxiliary water inlet pipe (15), the first impeller cavity (505) is arranged on the auxiliary water inlet pipe (15), an inlet of the first impeller cavity (505) is communicated with the auxiliary water inlet valve (3), and an outlet of the first impeller cavity (505) is communicated with the throwing cavity (14) and/or the main water inlet pipe (2) and/or the rear section (13) of the auxiliary water inlet pipe; the import and stock solution chamber (11) intercommunication in second impeller chamber (506), the export and the input cavity (14) and/or main inlet tube (2) and/or vice inlet tube back end (13) intercommunication in second impeller chamber (506).

8. A detergent delivery device according to claim 1, wherein the impeller mechanism (5) comprises a housing (504), a first impeller cavity (505) and a second impeller cavity (506) being formed in the housing (504), the first impeller cavity (505) being separated from the second impeller cavity (506) by a partition (507).

9. Detergent dispensing device as claimed in claim 1, characterized in that a flow meter (9) is arranged in the secondary inlet conduit (15) and/or that a flow meter (9) is arranged in the inlet conduit.

10. A washing machine comprising the detergent dispenser as claimed in any one of claims 1 to 9.

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