CN220001693U - Throwing device and dish washing machine - Google Patents

Abstract

The utility model relates to a throwing device and a dish washing machine. The delivery device comprises: the liquid storage container is provided with a liquid storage cavity for storing liquid, a first liquid outlet is formed in the liquid storage container, and the first liquid outlet is communicated with the liquid storage cavity; the valve body assembly is provided with a third liquid outlet; the pump body component is communicated with one end, far away from the liquid storage cavity, of the valve body component, and the pump body component is used for being matched with the valve body component so that liquid in the liquid storage cavity can be quantitatively output to the outside of the throwing device through a third liquid outlet. The utility model provides the throwing device and the dish washing machine, which can realize automatic throwing of the detergent, accurately control the adding amount and are convenient to operate.

Description

Throwing device and dish washing machine

Technical Field

The utility model relates to the technical field of washing equipment, in particular to a throwing device and a dish washing machine.

Background

At present, dish washing powder or washing liquid is generally used for washing tableware in a dish washing machine on the market, but the washing liquid is manually put into the dish washing machine when the tableware is washed every time, and the operation is complicated. In addition, the user cannot judge the amount of the washing liquid, the random amount of the washing agent is easy to cause that tableware is not washed cleanly when the amount of the washing liquid is insufficient, and the residual washing liquid is easy to cause when the amount of the washing liquid is excessive, so that the dining sanitation and the health of the user are not facilitated.

Disclosure of Invention

In view of the above, it is an object of the present utility model to provide a dispensing device and a dishwasher that can automatically dispense detergent, accurately control the amount of detergent added, and facilitate operation.

A launch device comprising: the liquid storage container is provided with a liquid storage cavity, the liquid storage cavity is used for storing liquid, a first liquid outlet is formed in the liquid storage container, and the first liquid outlet is communicated with the liquid storage cavity; the valve body assembly is provided with a third liquid outlet; the pump body assembly is communicated with one end, far away from the liquid storage cavity, of the valve body assembly, and the pump body assembly is used for being matched with the valve body assembly so that liquid in the liquid storage cavity can be quantitatively output to the outside of the throwing device through the third liquid outlet.

The dispensing device comprises a liquid storage container, a pump body assembly and a valve body assembly. Wherein, the liquid storage cavity in the liquid storage container is used for storing liquid, such as bowl washing liquid, disinfectant, clean water and the like. The valve body component is respectively connected with the liquid storage container and the pump body component and is used for controlling the flow direction of liquid in the liquid storage cavity, so that the liquid in the liquid storage cavity is directionally output from the first liquid outlet. The valve body assembly in some embodiments can prevent liquid outside the liquid storage container from flowing back into the liquid storage cavity through the first liquid outlet to cause pollution to the liquid storage cavity. The pump body component is used for providing power for directional output of liquid in the liquid storage container, and the quantitative output of the liquid in the liquid storage cavity and the automatic output of the liquid from a third liquid outlet on the valve body component are completed under the cooperation of the pump body component and the valve body component. The throwing device is simple in structure, stable in performance and good in reliability.

In some embodiments, the dispensing device further comprises a liquid level detection assembly disposed on the liquid reservoir, the liquid level detection assembly configured to detect the amount of liquid in the liquid reservoir.

The liquid level detection assembly is used for monitoring the storage condition of liquid in the liquid storage cavity, and the liquid level detection assembly is connected with the control assembly and used for prompting a user to timely supplement the liquid in the liquid storage container or timely prompt the liquid in the liquid storage container to prevent the liquid in the liquid storage cavity from overflowing due to overfilling.

Optionally, the liquid level detection assembly comprises at least one of a float type liquid level meter, a filling type liquid level meter, a transmitter type liquid level meter and a capacitance type liquid level meter.

In some embodiments, the liquid storage container is provided with a first liquid inlet, and the first liquid inlet is communicated with the liquid storage cavity; the liquid level detection assembly comprises an alarm buoy which is arranged on the liquid storage container and can move at the first liquid inlet.

The liquid storage container in the throwing device is provided with the first liquid inlet, so that a user can throw liquid into the liquid storage cavity regularly through the first liquid inlet, and the liquid storage cavity is supplemented in time.

Optionally, the dispensing device further comprises a cap assembly and a seal assembly. The lid subassembly includes first lid, and seal assembly includes first sealing member, and first sealing member sets up in first inlet department, and first lid can close first inlet, and first sealing member is used for shutoff first lid and the clearance between the first inlet. The lid subassembly still includes the second lid, and seal assembly includes the second sealing member, and the second sealing member sets up in third liquid outlet department, and the second lid covers the third liquid outlet, and the second sealing member is used for shutoff second lid and the clearance between the third liquid outlet.

Foretell put in device sets up warning buoy in the first inlet department of stock solution container, when the user with liquid from first inlet pour into the stock solution chamber into and fill up soon, warning buoy come-up in order to indicate the user and stop the liquid feeding to reach the effect of directly perceivedly warning and warning.

In some embodiments, the liquid level detection assembly includes a float and a sensor disposed on the liquid reservoir, the float and the sensor being positioned within the liquid reservoir, the float being movable within the liquid reservoir, the float being abuttable against the sensor, the sensor being electrically connected to the control assembly.

According to the throwing device, the floater and the sensor are arranged in the liquid storage cavity of the liquid storage container, when liquid in the liquid storage cavity is used up, the floater loses buoyancy support, the floater descends, the sensor detects the change of signals, the control component prompts that the liquid needs to be supplemented to the liquid storage cavity, and at the moment, a user can supplement the liquid to the liquid storage cavity through the first liquid inlet. When the liquid storage cavity is filled with liquid quickly, the warning buoy floats upwards to prompt a user to stop liquid adding.

In some embodiments, the pump body assembly comprises a power assembly and a piston pump assembly, one end of the piston pump assembly is communicated with the valve body assembly, the other end of the piston pump assembly is connected with the power assembly, and the power assembly drives a part of the piston pump assembly to reciprocate between a first direction and a second direction relative to the valve body assembly; when the piston pump assembly moves towards the first direction, liquid in the liquid storage cavity is conveyed to the piston pump assembly through the valve body assembly; when the piston pump assembly moves towards the second direction, liquid in the piston pump assembly is output outwards through the third liquid outlet of the valve body assembly.

The dispensing device further defines a pump body assembly including a power assembly and a piston pump assembly, wherein the piston pump assembly is capable of reciprocating under the influence of the power assembly and in the process reciprocates a portion of the piston pump assembly relative to the valve body assembly between a first orientation and a second orientation. Specifically, when the piston pump assembly moves in the first direction, the piston pump assembly can control the valve body assembly and open the first liquid outlet on the liquid storage container, and at the moment, liquid in the liquid storage container is injected into the piston pump assembly through the valve body assembly; when the piston pump assembly moves towards the second direction, the piston pump assembly can push liquid in the piston pump assembly to the valve body assembly and convey the liquid out of the throwing assembly from a third liquid outlet on the valve body assembly. Because the volume in the piston pump assembly is fixed, the quantitative throwing of liquid in the liquid storage container can be primarily realized through the motion coordination between the piston pump assembly and the valve body assembly.

In some embodiments, the piston pump assembly comprises a piston pump body and a piston assembly (the piston assembly comprises a piston and a connecting rod), the piston pump body is provided with a pump cavity, the pump cavity is communicated with the valve body assembly, the piston assembly is arranged on the piston pump body, a part (connecting rod) of the piston assembly is positioned in the pump cavity, one end (piston) of the piston assembly positioned outside the pump cavity is connected with the power assembly, and the power assembly drives the piston assembly (connecting rod) to reciprocate in the pump cavity.

The above-mentioned dispensing device further defines: the piston pump body of the piston pump assembly is provided with a pump cavity, and the piston assembly reciprocates in the piston pump body under the traction action of the power assembly. When the power assembly pulls the piston assembly to move towards the first direction, liquid in the liquid storage container enters the pump cavity of the piston pump body after passing through the valve body assembly. When the power assembly pulls the piston assembly to move towards the second direction, liquid stored in the pump cavity is pushed out into the valve body assembly by the piston assembly and is output to the outside of the throwing device from the third liquid outlet under the action of the valve body assembly.

In some embodiments, the power assembly includes a drive motor and a transmission mechanism, one end of the transmission mechanism is connected to the drive motor, and the other end of the transmission mechanism is connected to the piston pump assembly.

The above-mentioned dispensing device further defines that the power pack includes driving motor and drive mechanism, and driving motor's output shaft's free end is connected with drive mechanism, and drive mechanism keeps away from driving motor's one end and is connected with piston pump assembly, specifically, drive mechanism is connected with piston pump assembly's piston assembly. In particular, the connecting rod portion of the piston assembly can be disposed in a transmission mechanism. The driving motor drives the transmission mechanism to move and enables the transmission mechanism to drive the piston assembly to move towards the direction (the first direction) close to the transmission mechanism, and at the moment, liquid in the liquid storage cavity continuously flows into the pump cavity of the piston pump body through the valve body assembly. When the piston assembly moves to a first preset position in the first direction, the control assembly controls the driving motor to move in the opposite direction, the driving motor drives the transmission mechanism to move in the opposite direction at the same time, the transmission mechanism drives the piston assembly to move in the direction (second direction) away from the transmission mechanism, and at the moment, the piston assembly pushes liquid in the pump cavity into the valve body assembly and outputs the liquid out of the throwing device through a third liquid outlet of the valve body assembly. When the piston assembly moves to a second preset position in the second direction, the control assembly controls the driving motor to move in the opposite direction. Therefore, the piston assembly makes reciprocating motion in the first direction and the second direction in the piston pump body under the traction of the transmission mechanism, so that the device can quantitatively convey liquid to equipment outside the device for throwing for a plurality of times.

In some of these embodiments, the dispensing device further comprises a position detection assembly disposed on the pump body assembly for detecting the position of the piston pump assembly.

The above-mentioned dispensing device still is provided with the position detection subassembly on the pump body subassembly, and especially, the position detection subassembly sets up on a certain preset position of piston subassembly motion stroke to through the detection record of the number of times of position detection subassembly to piston subassembly reciprocating motion, feed back pump body subassembly pump liquid number of times to control assembly, and make dispensing device can realize one or more times quantitative pump liquid in order to satisfy the liquid demand according to the actual need of washing procedure.

In some embodiments, the position detection assembly includes at least one of a micro switch, a hall element, a reed switch, and a photo sensor.

In some embodiments, the valve body assembly comprises a valve body, a one-way valve assembly, wherein the valve body is provided with a second liquid inlet, a second liquid outlet and a third liquid outlet, the second liquid inlet is communicated with the first liquid outlet, the second liquid outlet is communicated with the pump body assembly, and the one-way valve assembly is arranged on the second liquid inlet and/or the third liquid outlet.

The second liquid inlet communicated with the first liquid outlet of the liquid storage container is formed in the valve body of the throwing device, and the second liquid outlet communicated with the pump body assembly is further formed in the valve body. The check valve assembly can include first check valve, and first check valve sets up in second inlet department, and first check valve is used for controlling the liquid in the stock solution chamber and flows to the valve body in proper order from first liquid outlet, second inlet, prevents that liquid from flowing back to the stock solution container from the valve body. The one-way valve assembly can further comprise a second one-way valve, the second one-way valve is arranged at the third liquid outlet, the second one-way valve is used for controlling liquid in the pump cavity to flow out of the throwing device from the third liquid outlet after passing through the valve body and the second one-way valve, and liquid is prevented from flowing back into the valve body from the third liquid outlet. The first one-way valve and the second one-way valve can be arranged at the same time, or the first one-way valve is arranged only at the second liquid inlet, or the second one-way valve is arranged only at the third liquid outlet.

The dish washer, including dish washer body, control assembly and the device of throwing in of arbitrary preceding claim, control assembly with the device of throwing in sets up on the dish washer body, control assembly with valve body subassembly and pump body subassembly electricity is connected.

The utility model also provides a dish washer, the dish washer can achieve the effect of automatically and quantitatively throwing quantitative washing liquid into the dish washing cavity of the dish washer body through the control and adjustment of the pump body component and the valve body component by arranging the throwing device of any one of the above, can better judge and determine the throwing amount of the washing agent, can better ensure the bowl cleaning effect, is safe and sanitary, and is simple and convenient to operate and use.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a delivery device according to an embodiment of the present utility model;

fig. 2 is an exploded view of a delivery device according to an embodiment of the present utility model;

FIG. 3 is an exploded view of a delivery device according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a delivery device provided by an embodiment of the present utility model;

FIG. 5 is a schematic view of the overall structure of the liquid storage container;

FIG. 6 is a schematic view of the internal structure of the liquid storage container;

FIG. 7 is a schematic view of the overall structure of the valve body assembly;

FIG. 8 is a cross-sectional view of the valve body assembly;

FIG. 9 is a schematic overall construction of the pump body assembly;

FIG. 10 is one of the cross-sectional views of a dishwasher provided by an embodiment of the present utility model;

fig. 11 is a second cross-sectional view of a dishwasher according to an embodiment of the present utility model.

Wherein, the correspondence between the reference numerals and the component names is:

100. a delivery device;

10. a liquid storage container; 11. A first cover; 12. A first seal;

101. a liquid storage cavity; 102. A first liquid outlet; 103. A first liquid inlet;

20. a valve body assembly; 21. a valve body; 22. a one-way valve assembly; 221. a first one-way valve; 222. a second one-way valve;

201. a third liquid outlet; 202. a second liquid inlet; 203. a second liquid outlet;

30. a pump body assembly; 31. a power assembly; 311. a driving motor; 312. a transmission mechanism; 32. a piston pump assembly; 321. a piston pump body; 322. a piston assembly;

301. a pump chamber;

40. a position detection assembly;

50. a liquid level detection assembly; 51. a float, 52, warning float; 53. a sensor;

1000. dish washing machine;

200. a dishwasher body.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present utility model. Thus, the appearances of the phrase "in one embodiment" or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The following describes some embodiments of the delivery device and dishwasher according to the utility model with reference to the accompanying drawings.

As shown in fig. 1 to 4, the present embodiment discloses a delivery device 100, including: the liquid storage container 10, the liquid storage container 10 is provided with a liquid storage cavity 101, the liquid storage cavity 101 is used for storing liquid, the liquid storage container 10 is provided with a first liquid outlet 102, and the first liquid outlet 102 is communicated with the liquid storage cavity 101; the valve body assembly 20, one end of the valve body assembly 20 is communicated with the liquid storage cavity 101, and a third liquid outlet 201 is formed in the valve body assembly 20; the pump body assembly 30, the pump body assembly 30 is communicated with one end of the valve body assembly 20 away from the liquid storage cavity 101, and the pump body assembly 30 is used for being matched with the valve body assembly 20 so that liquid in the liquid storage cavity 101 can be quantitatively output to the outside of the throwing device through the third liquid outlet 201.

The dispensing device 100 of the present utility model includes a reservoir 10, a pump body assembly 30, and a valve body assembly 20. The liquid storage cavity 101 in the liquid storage container 10 is used for storing liquid, such as bowl washing liquid, disinfectant, clean water and the like. The valve body assembly 20 is respectively connected with the liquid storage container 10 and the pump body assembly 30, and the valve body assembly 20 is used for controlling the flow direction of liquid in the liquid storage cavity 101 so that the liquid in the liquid storage cavity 101 is directionally output from the first liquid outlet 102. The valve body assembly 20 in some embodiments can prevent the liquid outside the liquid storage container 10 from flowing back into the liquid storage cavity 101 through the first liquid outlet 102, so that the liquid storage cavity 101 is polluted. The pump body assembly 30 is used for providing power for directional output of the liquid in the liquid storage container 10, and the liquid in the liquid storage cavity 101 is quantified and automatically output from the third liquid outlet 201 on the valve body assembly 20 to the outside of the device under the cooperation of the pump body assembly 30 and the valve body assembly 20. The throwing device is simple in structure, stable in performance and good in reliability.

As shown in fig. 3 and 4, in the present embodiment, the dispensing device 100 further includes a liquid level detecting assembly 50, where the liquid level detecting assembly 50 is disposed on the liquid storage container 10, and the liquid level detecting assembly 50 is used for detecting the liquid amount in the liquid storage cavity 101.

The above-mentioned dispensing device 100 is further provided with a liquid level detection assembly 50 on the liquid storage container, where the liquid level detection assembly 50 is used to monitor the storage condition of the liquid in the liquid storage cavity 101, and the liquid level detection assembly 50 is connected with the control assembly to prompt the user to timely supplement the liquid into the liquid storage container 10, or timely prompt the user to prevent the liquid in the liquid storage cavity 101 from overflowing due to overfilling when supplementing the liquid into the liquid storage container 10.

As shown in fig. 4, in the present embodiment, the liquid level detection assembly 50 includes at least one of a float-type liquid level gauge, a fill-type liquid level gauge, a transmitter-type liquid level gauge, and a capacitance-type liquid level gauge.

As shown in fig. 3 to 6, in the present embodiment, the liquid storage container 10 is provided with a first liquid inlet 103, and the first liquid inlet 103 communicates with the liquid storage chamber 101; the liquid level detection assembly 50 comprises a warning buoy 52, wherein the warning buoy 52 is arranged on the liquid storage container 10, and the warning buoy 52 can move at the first liquid inlet 103.

The liquid storage container 10 in the above-mentioned dispensing device 100 is provided with the first liquid inlet 103, so that a user can periodically dispense liquid into the liquid storage cavity 101 through the first liquid inlet 103, and timely supplement liquid to the liquid storage cavity 101. Optionally, the delivery device 100 further comprises a cap assembly and a seal assembly. The lid subassembly includes first lid 11, and seal assembly includes first sealing member 12, and first sealing member 12 sets up in first inlet 103 department, and first lid 11 can close first inlet 103, and first sealing member 12 is used for shutoff first lid 11 and the clearance between the first inlet 103. The cover body assembly further comprises a second cover body, the sealing assembly comprises a second sealing piece, the second sealing piece is arranged at the third liquid outlet 203, the second cover body covers the third liquid outlet 203, and the second sealing piece is used for sealing a gap between the second cover body and the third liquid outlet 203.

The above-mentioned dispensing device 100 sets up warning buoy 52 in the first inlet 103 of the liquid storage container 10, when the user injects the liquid into the liquid storage cavity 101 from the first inlet 103 and fills up soon, the warning buoy 52 floats up to prompt the user to stop adding liquid, thereby achieving the effect of visual warning and reminding.

As shown in fig. 3, 4 and 6, in the present embodiment, the liquid level detecting assembly 50 includes a float 51 and a sensor 53, the sensor 53 is disposed on the liquid storage container 10, the float and the sensor 53 are located in the liquid storage chamber 101, the float 51 is movable in the liquid storage chamber 101, the float 51 is abutted against the sensor 53, and the sensor 53 is electrically connected to the control assembly.

The above-mentioned dispensing device 100 sets up float 51 and sensor 53 in the liquid storage chamber 101 of the liquid storage container 10, when the liquid in the liquid storage chamber 101 runs out, the float 51 loses the buoyancy support, the float 51 descends, the sensor 53 detects the change of the signal, and the control component prompts that the liquid needs to be replenished to the liquid storage chamber 101, at this time, the user can replenish the liquid to the liquid storage chamber 101 through the first liquid inlet 103. When the liquid in the liquid storage cavity 101 is filled up, the warning buoy 52 floats upwards to prompt the user to stop liquid feeding.

As shown in fig. 1-4 and 9, in addition to the features of the above embodiment, this embodiment further defines: the pump body assembly 30 comprises a power assembly 31 and a piston pump assembly 32, one end of the piston pump assembly 32 is communicated with the valve body assembly 20, the other end of the piston pump assembly 32 is connected with the power assembly 31, and the power assembly 31 drives part of the piston pump assembly 32 to reciprocate between a first direction and a second direction relative to the valve body assembly 20; when the piston pump assembly 32 moves in the first direction, the liquid in the liquid storage cavity 101 is conveyed to the piston pump assembly 32 through the valve body assembly 20; when the piston pump assembly 32 is in the second direction, the liquid in the piston pump assembly 32 is output through the third outlet 201 of the valve body assembly 20.

The dispensing device 100 described above further defines that the pump body assembly 30 includes a power assembly 31 and a piston pump assembly 32, wherein the piston pump assembly 32 is capable of reciprocating under the influence of the power assembly 31 and in the process, reciprocates a portion of the piston pump assembly 32 relative to the valve body assembly 20 between a first orientation and a second orientation. Specifically, when the piston pump assembly 32 moves in the first direction, the piston pump assembly 32 can control the valve body assembly 20 and open the first liquid outlet 102 on the liquid storage container 10, and at this time, the liquid in the liquid storage container 10 is injected into the piston pump assembly 32 through the valve body assembly 20; when the piston pump assembly 32 moves in the second direction, the piston pump assembly 32 can push the liquid therein to the valve body assembly 20 and convey the liquid out of the delivery assembly 100 from the third liquid outlet 201 on the valve body assembly 20. Because of the fixed volume within the piston pump assembly 32, the above-described kinematic engagement between the piston pump assembly 32 and the valve body assembly 20 may initially provide for the metered dispensing of liquid from the reservoir 10.

As shown in fig. 3, 4 and 9, further, in the present embodiment, the piston pump assembly 32 includes a piston pump body 321 and a piston assembly 322 (the piston assembly 322 includes a piston and a connecting rod), the piston pump body 321 is provided with a pump chamber 301, the pump chamber 301 is in communication with the valve body assembly 20, the piston assembly 322 is disposed on the piston pump body 321, the connecting rod portion of the piston assembly 322 is disposed in the pump chamber 301, one end (piston) of the piston assembly 322 located outside the pump chamber 301 is connected with the power assembly 31, and the power assembly 31 drives the connecting rod portion of the piston assembly 322 to reciprocate in the pump chamber 301.

The delivery device 100 described above further defines: the piston pump body 321 of the piston pump assembly 32 is provided with a pump chamber 301, and the piston assembly 322 reciprocates in the piston pump body 321 under the traction of the power assembly 31. When the power assembly 31 pulls the piston assembly 322 to move in the first direction, the liquid in the liquid storage container 10 passes through the valve body assembly 20 and then enters the pump cavity 301 of the piston pump body 321. When the power assembly 31 pulls the piston assembly 322 to move in the second direction, the liquid stored in the pump cavity 301 is pushed out into the valve body assembly 20 by the piston assembly 322, and is output to the outside of the dispensing device from the third liquid outlet 201 under the action of the valve body assembly 20.

As shown in fig. 3, 4 and 9, in the present embodiment, the power assembly 31 includes a driving motor 311 and a transmission mechanism 312, one end of the transmission mechanism 312 is connected to the driving motor 311, and the other end of the transmission mechanism 312 is connected to the piston pump assembly 32.

The dispensing device 100 further defines that the power assembly 31 comprises a drive motor 311 and a transmission mechanism 312, wherein the free end of the output shaft of the drive motor 311 is connected to the transmission mechanism 312, and the end of the transmission mechanism 312 remote from the drive motor 311 is connected to the piston pump assembly 32, in particular, the transmission mechanism 312 is connected to the piston assembly 322 of the piston pump assembly 32. Specifically, the connecting rod portion of the piston assembly 322 can be disposed in the transmission 312. The driving motor 311 drives the transmission mechanism 312 to move and the transmission mechanism 312 drives the piston assembly 322 to move towards the direction (the first direction) close to the transmission mechanism 312, so that the liquid in the liquid storage cavity 101 continuously flows into the pump cavity 301 of the piston pump body 321 through the valve body assembly 20. When the piston assembly 322 moves to the first preset position in the first direction, the control assembly controls the driving motor 311 to move in the opposite direction, the driving motor 311 drives the transmission mechanism 312 to move in the opposite direction at the same time, the transmission mechanism 312 drives the piston link 322 to move in the direction away from the transmission mechanism 312 (the second direction), and at this time, the piston assembly 322 pushes the liquid in the pump cavity 301 into the valve body assembly 20, and outputs the liquid out of the dispensing device through the third liquid outlet 201 of the valve body assembly 20. When the piston assembly 322 moves to the second preset position in the second direction, the control assembly controls the driving motor 311 to move in the opposite direction. Thus, the piston assembly 322 reciprocates in the first direction and the second direction in the piston pump body 321 under the traction of the transmission mechanism 312, thereby realizing that the dispensing device quantitatively conveys liquid to equipment outside the dispensing device 100 for a plurality of times.

As shown in fig. 3, 4 and 9, in the present embodiment, the dispensing device further includes a position detecting assembly 40, where the position detecting assembly 40 is disposed on the pump body assembly 30, and the position detecting assembly 40 is used for detecting the position of the piston pump assembly 32.

The above-mentioned dispensing device 100 is further provided with a position detecting assembly 40 on the pump body assembly 30, specifically, the position detecting assembly 40 is disposed at a certain preset position of the movement stroke of the piston assembly 322, and the number of times of pumping the pump body assembly 30 is fed back to the control assembly through the detection record of the number of times of reciprocating movement of the piston assembly 322 by the position detecting assembly 40, so that the dispensing device 100 can realize one or more times of quantitative pumping according to the actual requirement of the washing procedure to meet the requirement of liquid consumption.

As shown in fig. 3, 4, and 9, in the present embodiment, the position detecting assembly 40 includes at least one of a micro switch, a hall element, a reed switch, and a photo sensor.

As shown in fig. 3, 4 and 9, in this embodiment, a micro switch is disposed on the pump body assembly 30, and the micro switch is connected to the control assembly. The micro-switch is disposed on the piston pump assembly 32 and the motion or transmission mechanism 312. The trigger convex points are arranged on the piston pump assembly 32 or the transmission mechanism 312, when the piston assembly 322 moves to a preset position in a reciprocating manner on the piston pump body 321, the trigger convex points trigger the micro switch to open and close once, and the control assembly counts when the micro switch is triggered, so that the movement times of the piston assembly are detected, the control of the liquid throwing amount is realized, the structure is simple, and the control effect is good.

In this embodiment, the position detecting component 40 may include a reed pipe and a magnetic component, where the reed pipe is connected to the control component, the magnetic component is disposed on the piston component 322 or the transmission mechanism 312, and when the piston component 322 or the transmission mechanism 312 moves to a preset position, the magnetic component drives the reed pipe to be turned on, and when the piston component 322 or the transmission mechanism 312 leaves the preset position, the reed pipe is turned off, and the control component counts when the reed pipe is turned on. Therefore, the number of times that the piston assembly 322 or the transmission mechanism 312 moves to the preset position can be obtained according to the number of times that the reed switch is conducted, so that the reciprocating number of times of the piston assembly 322 or the transmission mechanism 312 is known, the control of the liquid feeding amount is realized, the structure is simple, and the control effect is good.

In this embodiment, the position detecting component 40 may include a photoelectric sensor connected to the control component, where the photoelectric sensor has a light emitting end and a receiving end, and the receiving end is used for receiving the light emitted by the light emitting end. The transmission mechanism 312 has a shielding portion, and when the transmission mechanism 312 moves to a preset position, the shielding portion shields light, and when the transmission mechanism 312 leaves the preset position, the receiving end can receive the light emitted by the light emitting end again, and the control assembly counts when the light is shielded. Therefore, the number of times that the transmission mechanism 312 moves to the preset position can be obtained according to the number of times that the receiving end is shielded, so that the reciprocating number of times of the transmission mechanism 312 is known, the control of the liquid throwing amount is realized, the structure is simple, and the control effect is good.

In this embodiment, the position detecting assembly 40 may include a hall element and a magnetic element, the hall element is connected to the control assembly, the magnetic element is disposed on the piston assembly 322 or the transmission mechanism 312, when the piston assembly 322 or the transmission mechanism 312 moves to a preset position, the hall element detects the magnetic element and generates a pulse signal, when the piston assembly 322 or the transmission mechanism 312 moves away from the preset position, the hall element cannot detect the magnetic element, and the control assembly counts when the hall element generates the pulse signal. Therefore, the number of times that the piston assembly 322 or the transmission mechanism 312 moves to the preset position can be obtained according to the number of times that the Hall element generates pulse signals, so that the reciprocating number of times of the piston assembly 322 or the transmission mechanism 312 is known, the liquid feeding amount is controlled, the structure is simple, and the control effect is good.

As shown in fig. 7 and 8, in the present embodiment, the valve body assembly 20 includes a valve body 21 and a check valve assembly 22, a second liquid inlet 202, a second liquid outlet 203 and a third liquid outlet 201 are disposed on the valve body 21, the second liquid inlet 202 is communicated with the first liquid outlet 102, the second liquid outlet 203 is communicated with the pump body assembly 30, and the check valve assembly 22 is disposed on the second liquid inlet 202 and/or the third liquid outlet 201.

In the above-mentioned dispensing device 100, the valve body 21 is provided with a second liquid inlet 202 that is used for communicating with the first liquid outlet 102 of the liquid storage container 10, and the valve body 21 is also provided with a second liquid outlet 203 that is used for communicating with the pump body assembly 30. The check valve assembly 22 may include a first check valve 221, where the first check valve 221 is disposed at the second liquid inlet 202, and the first check valve 221 is used to control the liquid in the liquid storage cavity 101 to flow from the first liquid outlet 102 and the second liquid inlet 202 into the valve body 21 in sequence, so as to prevent the liquid from flowing back from the valve body 21 into the liquid storage container 10. The check valve assembly 22 may further include a second check valve 222, where the second check valve 222 is disposed at the third liquid outlet 201, and the second check valve 222 is used for controlling the liquid in the pump cavity to pass through the valve body 21 and the second check valve 222 and then be thrown out of the device 100 from the third liquid outlet 201, so as to prevent the liquid from flowing back from the third liquid outlet 201 to the valve body 21. The first check valve 221 and the second check valve 222 may be provided at the same time, or the first check valve 221 may be provided only at the second liquid inlet 202, or the second check valve 222 may be provided only at the third liquid outlet 203.

The utility model also discloses a dishwasher 1000, as shown in fig. 10 and 11, comprising: the dishwasher body 200, the control assembly and the dispensing device 100 according to any one of the preceding claims, the control assembly and the dispensing device 100 being arranged on the dishwasher body 200, the control assembly being electrically connected to the valve body assembly 20 and the pump body assembly 30.

The utility model also provides a dish washer 1000, and the dish washer 1000 of the utility model can achieve the effect of automatically and quantitatively throwing quantitative washing liquid into the dish washing cavity of the dish washer body 200 through the control and adjustment of the pump body assembly 30 and the valve body assembly 20 by the control assembly by arranging the throwing device 100 of any one of the above items, can better judge and determine the throwing amount of the washing agent, can better ensure the bowl cleaning effect, is safe and sanitary, and is simple and convenient to operate and use.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A delivery device, comprising:

the liquid storage device comprises a liquid storage container (10), wherein the liquid storage container (10) is provided with a liquid storage cavity (101), the liquid storage cavity (101) is used for storing liquid, a first liquid outlet (102) is formed in the liquid storage container (10), and the first liquid outlet (102) is communicated with the liquid storage cavity (101);

the liquid storage device comprises a valve body assembly (20), wherein one end of the valve body assembly (20) is communicated with a liquid storage cavity (101), and a third liquid outlet (201) is formed in the valve body assembly (20);

the pump body assembly (30), pump body assembly (30) with valve body assembly (20) are kept away from the one end intercommunication of stock solution chamber (101), pump body assembly (30) be used for with valve body assembly (20) cooperation so that liquid in stock solution chamber (101) is through third liquid outlet (201) to put in the quantitative output outside the device.

2. The dispensing device according to claim 1, further comprising a liquid level detection assembly (50), the liquid level detection assembly (50) being arranged on the reservoir (10), the liquid level detection assembly (50) being arranged to detect the amount of liquid in the reservoir (101).

3. A dispensing device according to claim 2, wherein the reservoir (10) is provided with a first inlet (103), the first inlet (103) being in communication with the reservoir (101); the liquid level detection assembly (50) comprises a warning buoy (52), the warning buoy (52) is arranged on the liquid storage container (10), and the warning buoy (52) can move at the first liquid inlet (103).

4. A dispensing device according to claim 2, wherein the liquid level detection assembly (50) comprises a float (51) and a sensor (53), the sensor (53) being arranged on the reservoir (10), the float and the sensor (53) being located in the reservoir (101), the float (51) being movable in the reservoir (101), the float (51) being abuttable with the sensor (53), the sensor (53) being electrically connected to the control assembly.

5. A dispensing device according to claim 1, wherein the pump body assembly (30) comprises a power assembly (31) and a piston pump assembly (32), one end of the piston pump assembly (32) being in communication with the valve body assembly (20), the other end of the piston pump assembly (32) being connected to the power assembly (31), the power assembly (31) driving a portion of the piston pump assembly (32) to reciprocate relative to the valve body assembly (20) between a first direction and a second direction;

when the piston pump assembly (32) moves towards a first direction, liquid in the liquid storage cavity (101) is conveyed to the piston pump assembly (32) through the valve body assembly (20); when the piston pump assembly (32) is positioned to move in the second direction, liquid in the piston pump assembly (32) is output outwards through the third liquid outlet (201) of the valve body assembly (20).

6. The dispensing device according to claim 5, wherein the piston pump assembly (32) comprises a piston pump body (321) and a piston assembly (322), the piston pump body (321) is provided with a pump cavity (301), the pump cavity (301) is communicated with the valve body assembly (20), the piston assembly (322) is arranged on the piston pump body (321), a part of the piston assembly (322) is positioned in the pump cavity (301), one end of the piston assembly (322) positioned outside the pump cavity (301) is connected with the power assembly (31), and the power assembly (31) drives the piston assembly (322) to reciprocate in the pump cavity (301); and/or the number of the groups of groups,

the power assembly (31) comprises a driving motor (311) and a transmission mechanism (312), one end of the transmission mechanism (312) is connected with the driving motor (311), and the other end of the transmission mechanism (312) is connected with the piston pump assembly (32).

7. The dispensing device according to claim 5, further comprising a position detection assembly (40), the position detection assembly (40) being arranged on the pump body assembly (30), the position detection assembly (40) being adapted to detect the position of the piston pump assembly (32).

8. The delivery device according to claim 7, wherein the position detection assembly (40) comprises at least one of a micro switch, a hall element, a reed switch, and a photo sensor.

9. The dispensing device according to claim 1, wherein the valve body assembly (20) comprises a valve body (21) and a one-way valve assembly (22), a second liquid inlet (202), a second liquid outlet (203) and the third liquid outlet (201) are arranged on the valve body (21), the second liquid inlet (202) can be communicated with the first liquid outlet (102), the second liquid outlet (203) can be communicated with the pump body assembly (30), and the one-way valve assembly (22) is arranged on the second liquid inlet (202) and/or the third liquid outlet (201).

10. A dishwasher, characterized by comprising a dishwasher body (200), a control assembly and a dosing device (100) according to any one of claims 1 to 9, said control assembly and said dosing device (100) being arranged on said dishwasher body (200), said control assembly being electrically connected to said valve body assembly (20) and to said pump body assembly (30).