[ invention ]
The invention aims to solve the technical problem of overcoming the defects of the prior art and providing the automatic kitchen feeding device which has the characteristics of convenient operation and simple structure.
The technical problems are solved, and the invention adopts the following technical scheme:
the utility model provides an automatic feed device in kitchen, includes feeding box, feeding impeller and a drive arrangement, feeding box includes the box body and is used for the switching the lid of box body, be equipped with on the box body and hold the chamber and communicate hold the feed opening in chamber, feeding impeller rotates to set up hold the intracavity and with hold the chamber and separate into two at least storage chambers along circumference direction, a drive arrangement is arranged in driving feeding impeller and holds the intracavity rotation, in order will material propelling movement extremely in at least two storage chambers in proper order along direction of rotation the feed opening.
Further, the feeding impeller comprises a cylindrical part, an impeller shaft positioned in the cylindrical part and blades connected between the cylindrical part and the impeller shaft, and a first rotating shaft is arranged on the bottom wall of the containing cavity and/or the cover body and is inserted into the impeller shaft.
In a further scheme, the first driving device comprises a feeding motor and a feeding gear, external teeth are arranged on the outer side of the cylindrical part, and the feeding gear is meshed with the external teeth.
Further, the automatic kitchen feeding device further comprises a feeding box support, a concave cavity and a discharge hole communicated with the concave cavity are formed in the feeding box support, the feeding box is placed in the concave cavity in a detachable mode, and the discharge hole corresponds to the discharge hole.
Still further scheme, kitchen automatic feeding device still includes receiver and receiver support, be equipped with on the receiver support and throw the material hole, the receiver support assembly is in throw material hole department, the receiver rotates to set up on the receiver support and can overturn and throw the material.
Still further scheme, the stock solution box relies on gravity upset, be equipped with the restriction on the stock solution box support the hasp of stock solution box upset, be equipped with on the batch charging box support and be used for the drive the hasp is relieved the electromagnetism push rod to the stock solution box restriction.
Still further scheme, the liquid storage box both sides are equipped with the second pivot, correspond on the liquid storage box support the second pivot is equipped with the pivot groove, the second pivot rotate be connected to the pivot groove, the second pivot periphery is equipped with the locating surface, the locating surface with pivot groove lateral wall offsets in order to restrict the flip angle of liquid storage box.
Still further scheme, kitchen automatic feeding device still includes the enclosing cover, enclosing cover one end articulates throw the magazine support on, the enclosing cover other end is equipped with handle and movable buckle, movable buckle lock arrives throw on the magazine support in order to keep the closure state of enclosing cover, the handle drive movable buckle action is in order to release movable buckle's lock state.
Still further scheme, be equipped with the locating pin that can elastically stretch out and draw back on the batch charging box, be equipped with the constant head tank on the feeding impeller, the locating pin card is gone into the constant head tank is used for locating feeding impeller in initial position, the enclosing cover is equipped with the unblock arch towards the box body one side, when the enclosing cover closes the lid, the drive of unblock arch the locating pin breaks away from the constant head tank.
The invention has the beneficial effects that:
the invention discloses an automatic kitchen feeding device, which comprises a feeding box, a feeding impeller and a first driving device, wherein the feeding box comprises a box body and a cover body for opening and closing the box body, a containing cavity and a discharging opening communicated with the containing cavity are arranged on the box body, the feeding impeller is rotatably arranged in the containing cavity and divides the containing cavity into at least two storage cavities along the circumferential direction, and the first driving device is used for driving the feeding impeller to rotate in the containing cavity so as to sequentially push materials in the at least two storage cavities to the discharging opening along the rotation direction. When the automatic kitchen feeding device is used, the automatic kitchen feeding device is placed above the pot, the discharging opening corresponds to the opening of the pot, pre-cut food materials are sequentially placed in the storage cavity according to the feeding sequence during frying, the food materials which are firstly fed are placed in the storage cavity which is firstly rotated to the discharging opening, and finally the cover body is covered, when the automatic kitchen feeding device is started, the first driving device drives the feeding impeller to rotate, so that the food materials in the storage cavity are sequentially fed into the pot for frying. Compared with the prior art, the automatic kitchen feeding device can avoid scalding or enabling clothes to be full of oil stain due to the fact that high-temperature oil splashes on a user when the user manually feeds the automatic kitchen feeding device; in addition, the people who understand cooking can put the food materials into the feeding box in advance and store the food materials, so that the time for preparing the food materials when cooking next time is saved, and meanwhile, people who do not know the cooking, such as the old and children, can also use the device for placing the food materials in advance to make delicious dishes; finally, the kitchen automatic feeding device has the advantages of simple integral structure, small volume and convenient operation.
The feeding impeller comprises a cylindrical part, an impeller shaft positioned in the cylindrical part and blades connected between the cylindrical part and the impeller shaft, and a first rotating shaft is arranged on the bottom wall of the accommodating cavity and/or the cover body and is inserted into the impeller shaft. By the design, the structure of the feeding impeller is simpler and is easy to process.
The first driving device comprises a feeding motor and a feeding gear, external teeth are arranged on the outer side of the cylindrical part, and the feeding gear is meshed with the external teeth. The rotation stability of the feeding impeller is guaranteed through gear meshing transmission, and the feeding impeller is reliable in work, high in efficiency and long in service life.
The automatic feeding device for the kitchen further comprises a feeding box support, a concave cavity and a discharge hole communicated with the concave cavity are formed in the feeding box support, the feeding box is placed in the concave cavity in a removable mode, and the discharge hole corresponds to the discharge hole. So designed, first drive arrangement can install on throwing the magazine support, throw the magazine support and can avoid the meshing part of the external tooth of feed gear and tubular part to expose outside, avoided the external world to cause interference and destruction to first drive arrangement, also promoted the outward appearance of kitchen automatic feeding device simultaneously.
The kitchen automatic feeding device further comprises a liquid storage box and a liquid storage box support, a feeding hole is formed in the liquid storage box support, the liquid storage box support is assembled at the feeding hole, and the liquid storage box is rotatably arranged on the liquid storage box support and can be turned over to feed materials. By the design, the liquid food materials can be put in, and the use experience of a user is further improved.
The liquid storage box is turned over by gravity, a lock catch for limiting the turning over of the liquid storage box is arranged on the liquid storage box support, and an electromagnetic push rod for driving the lock catch to release the limit of the liquid storage box is arranged on the material feeding box support. By the design, automatic feeding of liquid in the liquid storage box can be realized, manual intervention is not needed, and the structure is simple.
The liquid storage box both sides are equipped with the second pivot, correspond the second pivot on the liquid storage box support and are equipped with the pivot groove, and the second pivot rotates to be connected to the pivot groove, and second pivot periphery is equipped with the locating surface, and the locating surface offsets with pivot groove lateral wall in order to restrict the flip angle of liquid storage box. Therefore, the liquid storage box can be prevented from being excessively rotated to touch the liquid storage box support, and damage is caused to the liquid storage box support.
The kitchen automatic feeding device further comprises an outer cover, one end of the outer cover is hinged to the feeding box support, a lifting handle and a movable buckle are arranged at the other end of the outer cover, the movable buckle is buckled to the feeding box support to keep the closing state of the outer cover, and the lifting handle drives the movable buckle to act to release the buckling state of the movable buckle. The outer cover can encapsulate the feeding box in the concave cavity so as to avoid the feeding box from being interfered by the outside; in addition, the movable buckle can keep the outer cover to be fixedly closed on the feeding box bracket, and meanwhile, the handle can enable a user to smoothly open the outer cover.
The feeding box is provided with the positioning pin which can elastically stretch out and draw back, the feeding impeller is provided with the positioning groove, and the positioning pin is clamped into the positioning groove to be used for positioning the feeding impeller at the initial position, so that the feeding box can be prevented from dropping from the discharging opening of the storage cavity when the feeding box is in a non-working state; and an unlocking protrusion is arranged on one surface of the outer cover, facing the box body, and drives the positioning pin to be separated from the positioning groove when the outer cover is closed. By the design, when the outer cover is closed, the feeding impeller is in a freely rotatable state, and at the moment, the first driving device can drive the feeding impeller to rotate for feeding, so that automatic feeding is completed.
These features and advantages of the present invention will be disclosed in detail in the following detailed description and the accompanying drawings.
[ description of the drawings ]
The invention is further described with reference to the accompanying drawings:
fig. 1 is a schematic structural view of an automatic kitchen feeding device according to a first embodiment of the present invention;
FIG. 2 is a schematic view of a feeding cassette according to a first embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating an assembly of a feeding impeller and a first driving device according to a first embodiment of the present invention;
FIG. 4 is a schematic diagram of a first driving device according to a first embodiment of the present invention;
fig. 5 is a schematic structural view of a feeding cassette holder and an outer cover in a second embodiment of the present invention;
fig. 6 is a schematic structural diagram of an automatic kitchen feeding device in a second embodiment of the present invention;
fig. 7 is a schematic diagram of a semi-sectional structure of an automatic kitchen feeding device in a second embodiment of the present invention;
FIG. 8 is a schematic diagram illustrating a positioning pin being locked into a positioning slot according to a second embodiment of the present invention;
FIG. 9 is a schematic diagram illustrating a state that the positioning pin is separated from the positioning groove in the second embodiment of the present invention;
fig. 10 is a schematic structural view of a feeding cassette holder according to a third embodiment of the present invention;
fig. 11 is a schematic structural view of an automatic kitchen feeding device in a third embodiment of the present invention;
FIG. 12 is a schematic diagram showing the assembly of a cartridge and a cartridge holder according to a third embodiment of the present invention;
fig. 13 is a schematic view showing a liquid storage box in a liquid delivery state in the third embodiment of the present invention;
fig. 14 is a schematic view showing a state when the lock catch locks the liquid storage box in the third embodiment of the invention;
fig. 15 is a schematic view showing a state when the lock catch is released from the liquid storage box in the third embodiment of the present invention;
FIG. 16 is a schematic view showing a second rotation axis on the liquid box when the material is not being fed in the third embodiment of the present invention;
fig. 17 is a schematic view showing a state of a second rotating shaft on the liquid box during feeding in the third embodiment of the present invention.
[ detailed description ] of the invention
The technical solutions of the embodiments of the present invention will be explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present invention.
Embodiment 1,
Referring to fig. 1 to 2, the automatic kitchen feeding device according to the first embodiment includes a feeding box, a feeding impeller and a first driving device 4, where the feeding box includes a box body 1 and a cover body 2, one end of the box body 1 is further provided with a shaft hole 12, a rotating shaft on the cover body 2 is inserted into the shaft hole 12, the cover body 2 can rotate around an axis of the shaft hole 12 to open and close the box body 1, in order to enable the cover body 2 to be firmly covered on the box body 1, a first claw 11 is provided at the other end of the box body 1, a U-shaped elastic rib 21 and a hook clamping portion 22 are correspondingly provided on the cover body 2, the hook clamping portion 22 is provided on the U-shaped elastic rib 21, when the cover body 2 is covered on the box body 1, the hook clamping portion 22 is matched with the first claw 11, so that the cover body 2 keeps a fixed closed state, when the cover body 2 is opened, a user can hold the upper end of the elastic rib 21, and the hook clamping portion 22 is separated from the first claw 11, so that the cover body 2 can be opened, in this embodiment, the structure of the U-shaped elastic rib 21 is simple, the hook clamping portion is provided with a low cost, and the hook clamping portion can be realized in this embodiment, and the existing hook clamping portion can be rotated, or the invention is replaced by the existing hook clamping portion, and the existing hook clamping structure.
The box body 1 is provided with a cylindrical containing cavity 10, a blanking opening 101 is arranged on the bottom wall of the containing cavity 10, first rotating shafts 102 are arranged at the central part of the bottom wall of the containing cavity 10 and the central part of the cover body 2, the two first rotating shafts 102 are coaxially arranged, a feeding impeller is rotatably arranged in the containing cavity 10 and comprises a cylindrical part 31, blades 32 and an impeller shaft 34, the cylindrical part 31 is vertically penetrated, the blades 32 are connected between the cylindrical part 31 and the impeller shaft 34, the first rotating shaft 102 below is inserted into the impeller shaft 34, and in order to facilitate later cleaning of the blades 32 by users, the blades 32 in the embodiment are detachably connected on the cylindrical part 31, such as insertion or buckling connection. The feeding impeller in the present invention includes at least two blades 32, for example, 2, 3, 4, 5, etc. are provided, and this embodiment is illustrated by taking 5 blades 32 as an example, the 5 blades 32 are circumferentially connected between the cylindrical member 31 and the impeller shaft 34 at intervals, and circumferentially divide the accommodating cavity 10 into 5 storage cavities 33, and when the cover 2 is covered on the box 1, the upper first rotating shaft 102 is inserted into the impeller shaft 34, so that the feeding impeller rotates around the central axis of the accommodating cavity 10, and a gear hole 13 is further provided on one side of the box 1.
It will be appreciated that in other embodiments of the present invention, a first shaft that mates with the impeller shaft may be provided separately on the bottom wall or the cover of the cavity, or a shaft hole that mates with the shaft on the feed impeller may be provided on the bottom wall and/or the cover of the cavity, which may achieve the basic effects of this embodiment.
As shown in fig. 3 to 4, the outer side of the cylindrical member 31 in this embodiment is provided with external teeth 311, part of the external teeth 311 is exposed out of the gear hole 13, the first driving device 4 includes a feeding motor 41, a feeding gear 42 and a gear frame 43, the feeding gear 42 is mounted on the gear frame 43, the center of the feeding gear 42 is provided with a non-circular connecting hole, an output shaft of the feeding motor 41 is matched with the connecting hole, the feeding gear 42 is meshed with the external teeth 311 for transmission, and the gear meshing transmission ensures the rotation stability of the feeding impeller, and has reliable operation, high efficiency and long service life. The feeding motor 41 drives the feeding gear 42 to rotate, so that the feeding impeller is driven to rotate, the feeding motor 41 is controlled by a circuit board with a prefabrication program, different processing methods of dishes are prefabricated on the circuit board, a user can select different prefabrication programs according to the dishes to be manufactured, and the circuit board can control the rotation speed and the time period of the feeding motor 41 through the prefabrication programs, so that the food in the containing cavity 10 can be put into the cooker according to the optimal time point.
When the automatic kitchen feeding device of the embodiment is used by a user, firstly, the feeding box is placed above the cooker, the discharging opening 101 corresponds to the opening of the cooker, pre-cut food materials are sequentially placed into the storage cavity 33 according to the feeding sequence during stir-frying, and firstly, the fed food materials are placed into the storage cavity 33 which is firstly rotated to the discharging opening 101, and finally, the cover body 2 is covered. When the kitchen automatic feeding device is started, the circuit board controls the first driving device 4 to drive the rotation speed and the time period of the feeding impeller according to a prefabricated program selected by a user, when the feeding impeller rotates, the blades 32 push food in the storage cavity 33 to rotate, when the storage cavity 33 filled with the food rotates to the feeding opening 101, the food in the storage cavity 33 falls into the cooker from the feeding opening 101, and in the rotation process of the feeding impeller, the food in the containing cavity 10 can be sequentially pushed to the feeding opening 101 along the rotation direction of the feeding impeller and falls into the cooker. Compared with the prior art, the automatic kitchen feeding device can avoid scalding or enabling clothes to be full of oil stain due to the fact that high-temperature oil splashes on a user when the user manually feeds the automatic kitchen feeding device; in addition, the people who understand cooking can put the food materials into the feeding box in advance and store the food materials, so that the time for preparing the food materials when cooking next time is saved, and meanwhile, people who do not know the cooking, such as the old and children, can also use the device for placing the food materials in advance to make delicious dishes; finally, the kitchen automatic feeding device has the advantages of simple integral structure, small volume and convenient operation.
Embodiment II,
As shown in fig. 5 and 6, the difference between the embodiment and the first embodiment is that the automatic kitchen feeder in the embodiment further includes a feeding box support 5, the handles 50 are symmetrically disposed on two sides of the feeding box support 5 to facilitate the handling of the user, a cavity 51 is disposed on the feeding box support 5, a discharge hole 511 is disposed on a bottom wall of the cavity 51, the feeding box is placed in the cavity 51 in a removable manner, the discharge hole 511 corresponds to the discharge hole 101, and the corresponding first driving device 4 is fixedly mounted on the feeding box support 5 through screws, so that the feeding box support 5 can avoid the meshing portion of the feeding gear 42 and the external teeth 311 of the cylindrical member 31 from being exposed outside, thereby avoiding interference and damage to the first driving device 4 from the outside, and improving the appearance of the automatic kitchen feeder. The first avoiding groove 51 is further formed in the feeding box support 5, and a user can take out the feeding box smoothly by placing fingers in the first avoiding groove 51 so as to clean the feeding box in the later period.
As shown in fig. 6 to 7, a pan 7 is placed below a feed opening 101 of the automatic kitchen feeding device of the present invention, and food materials can fall into the pan 7 from the feed opening 101. In order to encapsulate the feeding box in the concave cavity 51, the automatic feeding device for the kitchen in the embodiment further comprises an outer cover 6, one end of the outer cover 6 is hinged on the feeding box bracket 5, the other end of the outer cover 6 is provided with a handle 61 and a movable buckle 62, and the opening of the concave cavity 51 can be opened and closed by turning the outer cover 6. In order to keep the outer cover 6 fixedly closed on the feeding box bracket 5, simultaneously, the user can smoothly open the outer cover 6, the other end of the outer cover 6 in the embodiment is also provided with a handle 61 and a movable buckle 62, the corresponding feeding box bracket 5 is provided with a second claw 52 matched with the movable buckle 62, the movable buckle 62 comprises a handle rib 620, an elastic rib 621 and a hook rod 622 matched with the second claw 52, the handle 61 is provided with a rotating shaft, the rotating shaft is inserted into a shaft hole of the hook rod 622, the hook rod 622 can rotate around the rotating shaft, the handle rib 620 is rotatably arranged at the front end of the handle 61 and pushes the hook rod 622 to move, and the elastic rib 621 is connected between the hook rod 622 and the handle 61. When a user puts fingers into the gap between the lifting handle 61 and the lifting handle rib 620, the lifting handle rib 622 is pulled upwards, the lifting handle rib 622 rotates and pushes the hook rod 622 to rotate and retreat, the hook rod is separated from the second claw 52 on the feeding box support 5, the outer cover 6 can be opened, and when the outer cover 6 is turned over by more than 90 degrees, the outer cover 6 is stopped by gravity and the shaft support connected with the feeding box support 5. When the outer cover 6 is covered, the elastic rib 621 can drive the hook rod 622 to reset, so that the hook rod 622 is clamped on the second claw 52, and of course, the elastic rib in the embodiment can also be replaced by elastic elements such as a spring, a shrapnel and the like.
As shown in fig. 6, 8 and 9, in order to ensure that the food material in the storage cavity 33 does not fall from the discharge hole 511 due to rotation of the feeding impeller in the carrying process of the kitchen automatic feeding device, the box body 1 in this embodiment is provided with a positioning pin 14, an elastic piece 15 and a positioning pin cover plate 16, the elastic piece 15 may be a spring, a shrapnel or the like, the elastic piece 15 is connected between the positioning pin 14 and the inner wall of the box body 1, the positioning pin cover plate 16 is fixed on the box body 1 by a screw and prevents the positioning pin 14 from separating, the cylindrical part 31 of the feeding impeller is provided with a positioning groove 312 matched with the positioning pin 14, the positioning pin 14 is provided with a first guiding inclined plane 141, the outer cover 6 is provided with an unlocking protrusion 63 on one side facing the box body 1, and when the outer cover 6 is closed, the unlocking protrusion 63 is downwardly inserted along the first guiding inclined plane 141 and drives the positioning pin 14 to move leftwards, the positioning pin 14 compresses the elastic piece 15 and separates from the positioning groove 312, the feeding impeller is in a freely rotatable state and can freely rotate in the cavity 10 at this moment, and the first driving device 4 can drive the feeding impeller to rotate and feed automatically. When the feeding impeller is put into the accommodating cavity 10 again after being cleaned, the feeding impeller is manually rotated, and the positioning pin 14 is clamped into the positioning groove 312 under the driving of the elastic member 15, so that the feeding impeller is stopped at the initial position controlled by the program, and therefore, the phenomenon that the food material in the storage cavity 33 falls from the feed opening 101 when the feeding box is not in the working state can be avoided.
Third embodiment,
As shown in fig. 10 to 13, the difference between this embodiment and the second embodiment is that the automatic kitchen feeding device in this embodiment further includes a liquid storage box 8 and a liquid storage box support 9, a feeding hole 54 is further provided on the liquid storage box support 5, the liquid storage box support 9 is assembled on the feeding hole 54, the liquid storage box 8 is rotatably provided on the liquid storage box support 9 and can turn over under the action of gravity to feed materials, a second avoiding groove 55 is further provided on the liquid storage box support 5, a user stretches fingers into the second avoiding groove 55, the liquid storage box support 9 can be smoothly taken out from the feeding hole 54, and in this embodiment, adding the liquid storage box 8 can realize feeding liquid food materials, and the use experience of the user is further improved.
As shown in fig. 13 to 15, the outer side of the liquid storage box support 9 is further provided with a lock catch 92, a lock catch pressing plate 93 and a lock catch mounting portion 94 for limiting the overturning of the liquid storage box 8, the lock catch mounting portion 94 is provided with a fixing rib 941 for fixing the spring 96, after the spring 96 is arranged on the fixing rib 941, the lock catch 92 is pressed by the lock catch pressing plate 93, the lock catch pressing plate 93 is fixed on the liquid storage box support 9 by a screw, the lock catch 92 is provided with a third rotating shaft 920, the third rotating shaft 920 is fixed by half shaft holes respectively arranged on the lock catch pressing plate 93 and the lock catch mounting portion 94, the lock catch 92 can rotate around the axis of the third rotating shaft 920, the upper end of the lock catch 92 is provided with a clamping portion 921, the clamping portion 921 penetrates through the clamping hole 90 of the liquid storage box support 9 and abuts against the lower portion of the edge of the liquid storage box 8, in order to keep balance of the liquid storage box 8, the inner wall of the liquid storage box support 9 is further provided with a supporting rib 95, the supporting rib 95 is arranged on one side opposite to the lock catch 92, and the supporting rib 95 is supported below the edge of the liquid storage box 8 together with the clamping portion 921.
The position corresponding to the feeding hole 54 on the feeding box bracket 5 is also provided with an electromagnetic valve 56, the electromagnetic valve 56 is provided with an electromagnetic push rod 561, the side wall of the feeding hole 54 is provided with an avoidance hole 541, the electromagnetic valve 56 is arranged on the electromagnetic valve bracket, the electromagnetic valve bracket is fixed on the feeding box bracket 5 through a screw, the electromagnetic valve 56 is driven by the control of a circuit board of a prefabrication program, when the electromagnetic valve 56 is electrified, the electromagnetic push rod 561 can penetrate through the avoidance hole 541 and push the lock catch 92, at the moment, the lock catch 92 rotates around the axis of the third rotating shaft 920, the clamping part 921 moves away from the lower part of the edge of the liquid storage box 8, the liquid storage box 8 is overturned under the action of gravity, the liquid is poured out, and the liquid falls into the pot 7 through the feeding hole 54 below the liquid storage box bracket 9, so that automatic feeding of the liquid in the liquid storage box 8 can be realized without manual intervention, and the structure is simple.
After the electromagnetic valve 56 is powered off, the electromagnetic push rod 561 is reset, after cleaning or cooking is completed, the user takes out the liquid storage box support 9 and the liquid storage box 8, under the action of the elastic force of the spring 96, the lock catch 92 is reset, the clamping portion 921 penetrates through the clamping hole 90, at this time, the user places the opening of the liquid storage box support 9 downwards, the liquid storage box 8 overturns under the action of gravity, when the edge of the liquid storage box 8 bumps against the clamping portion 921 in the overturning process, the second guide inclined surface 9211 is impacted, the clamping portion 921 is retracted, when the edge of the liquid storage box 8 is positioned above the clamping portion 921, the clamping portion 921 pops up again and is propped against the lower part of the edge of the liquid storage box 8, at this time, the liquid storage box 8 is reset to the initial position, the process is completed quickly under the action of gravity, and the process is very simple and convenient, and the user can manually rotate the liquid storage box 8 to enable the liquid storage box 8 to return to the initial position.
As shown in fig. 16 to 17, two sides of the liquid storage box 8 are provided with second rotating shafts 81, the second rotating shafts 81 deviate from the center of gravity of the liquid storage box 8, and are arranged on one side far away from the electromagnetic valve 56, the position of the liquid storage box support 9 corresponding to the second rotating shafts 81 is provided with rotating shaft grooves 91, the second rotating shafts 81 are provided with screw holes, after the second rotating shafts 81 are inserted into the grooves of the liquid storage box support 9 and aligned with through holes in the rotating shaft grooves 91, the liquid storage box 8 and the liquid storage box support 9 are fixed together through screws, and the liquid storage box 8 can rotate around the axis of the second rotating shafts 81. The outer circumference of the rotating shaft 81 is provided with a positioning surface 811, when the liquid storage box 8 is turned over, the positioning surface 811 is propped against the side wall of the rotating shaft groove 91 to limit the rotation angle of the liquid storage box 8, so that the liquid storage box 8 is prevented from excessively touching the inner wall of the liquid storage box bracket 9 and damaging the liquid storage box bracket 9, and the positioning surface 811 limits the rotation angle of the liquid storage box 8 to 90 degrees, so that the liquid in the liquid storage box 8 can be almost completely poured out.
While the invention has been described in terms of embodiments, it will be appreciated by those skilled in the art that the invention is not limited thereto but rather includes the drawings and the description of the embodiments above. Any modifications which do not depart from the functional and structural principles of the present invention are intended to be included within the scope of the appended claims.