Drain valve structure and wall breaking machine comprising same

Abstract

The utility model discloses a drain valve structure and a wall breaking machine comprising the same. The drain valve structure comprises a valve body, the valve body is provided with a first flow channel and a second flow channel which are spaced from each other, the valve body is further provided with a first liquid inlet and a second liquid inlet which are formed in a stirring cavity, the first liquid inlet is communicated with the first flow channel, and the second liquid inlet is communicated with the second flow channel; the first valve rod is movably arranged at the first liquid inlet; the second valve rod is movably arranged at the second liquid inlet; the driving assembly comprises a first rack, a second rack and a transmission gear, the first rack is in transmission connection with the first valve rod, the second rack is in transmission connection with the second valve rod, and the first rack and the second rack are in meshed connection with the two opposite sides of the transmission gear respectively; when the transmission gear rotates, the first rack and the second rack can move in the opposite directions so as to adjust the positions of the first valve rod and the second valve rod, then the purpose of controlling the first liquid inlet and the second liquid inlet to be opened and closed is achieved, and the whole drain valve is relatively simple in structure.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen appliances, in particular to a liquid discharge valve structure and a wall breaker including the same. Background Art

[0002] In existing beverage preparation or food processing equipment, the valve core structure, as a key component for controlling the flow of fluids (such as water, juice, etc.), its design directly affects the overall layout of the equipment, operation convenience, and space utilization efficiency. Traditional valve core designs mostly adopt the method of driving the valve plate to rotate by a motor or driving the valve core to move linearly by a screw to achieve the opening and closing of the channel. However, these designs face some significant limitations in practical applications.

[0003] First of all, the valve plate rotation structure driven by a motor (as shown in CN203378497U), although it can effectively control the fluid flow direction, due to its rotation mechanism, it often requires a large installation space. Especially when it is necessary to integrate the valve core with components such as a stirring knife on the same side, this design becomes particularly inconvenient, restricting the miniaturization and multi-functionality of the equipment. Secondly, the valve core linear movement structure driven by a screw (as described in CN215687160 and CN219888755U), although it reduces the space occupation to a certain extent, the direct drive method of the screw means that the movement distance of the valve core is directly related to the stroke of the screw. In order to cover the opening and closing of multiple channels, the screw needs a long movement distance, which usually results in the entire valve control system can only be installed on the side of the mixing cup, not only increasing the design complexity, but also possibly affecting the overall aesthetics and operation experience of the equipment.

[0004] In addition, there are also certain inconveniences in maintaining and replacing the valve core in the above two designs. The valve plate structure driven by a motor may involve complex circuit connections, while the screw drive structure may be difficult to disassemble quickly due to the tight fit between the screw and the valve core. These factors all increase the maintenance cost and operation difficulty of the equipment. Summary of the Utility Model

[0005] In order to overcome at least one of the above-mentioned defects of the prior art, the utility model provides a liquid discharge valve structure and a wall breaker including the same, aiming to simplify the liquid discharge valve structure and reduce the occupied space of the liquid discharge valve structure, thereby improving the space utilization rate.

[0006] The technical solution adopted by the utility model to solve its problems is:

[0007] A liquid discharge valve structure for a wall breaker, comprising: a valve body provided with a first flow channel and a second flow channel spaced apart from each other, the valve body further provided with a first liquid inlet and a second liquid inlet for being arranged in a stirring cavity, the first liquid inlet communicating with the first flow channel, and the second liquid inlet communicating with the second flow channel; a first valve rod movably arranged in the first liquid inlet; a second valve rod movably arranged in the second liquid inlet; a driving assembly including a first rack, a second rack and a transmission gear, the first rack being in transmission connection with the first valve rod, the second rack being in transmission connection with the second valve rod, and the first rack and the second rack being respectively engaged with opposite sides of the transmission gear; when the first rack and the second rack move to an initial position, the first valve rod closes the first liquid inlet, and the second valve rod closes the second liquid inlet; when the first rack and the second rack move to a first position, the first valve rod opens the first liquid inlet, and the second valve rod closes the second liquid inlet; when the first rack and the second rack move to a second position, the first valve rod closes the first liquid inlet, and the second valve rod opens the second liquid inlet.

[0008] According to some embodiments of the present invention, the driving assembly further includes an adjustment motor having an output shaft, the output shaft being in transmission connection with the transmission gear, and the axis of the output shaft being perpendicular to the axis of the transmission gear.

[0009] According to some embodiments of the present invention, the liquid discharge valve structure further includes a microswitch for controlling the operation of the adjustment motor. When the first rack and the second rack move to the initial position, the microswitch is triggered to stop the operation of the adjustment motor.

[0010] According to some embodiments of the present invention, a protrusion is provided on the side wall of the first rack. When the first rack and the second rack move to the initial position, the protrusion contacts the microswitch.

[0011] According to some embodiments of the present invention, the liquid discharge valve structure further includes a mounting seat, the transmission gear being rotatably connected to the mounting seat, and the first rack and the second rack being both slidably arranged in the mounting seat.

[0012] According to some embodiments of the present utility model, the liquid discharge valve structure further includes a first elastic member and a second elastic member; when the first rack and the second rack are in the initial position, the first elastic member is configured to elastically drive the first valve stem to close the first liquid inlet, and the second elastic member is configured to elastically drive the second valve stem to close the second liquid inlet; when the first rack and the second rack are in the first position, there is a gap formed between the second rack and the second valve stem, and the second elastic member is configured to elastically drive the second valve stem to close the second liquid inlet; when the first rack and the second rack are in the second position, there is a gap formed between the first rack and the first valve stem, and the first elastic member is configured to elastically drive the first valve stem to close the first liquid inlet.

[0013] According to some embodiments of the present utility model, a first sealing plug is provided at an end of the first valve stem away from the first rack, and a second sealing plug is provided at an end of the second valve stem away from the second rack; when the first rack and the second rack move to the initial position, the first sealing plug blocks the first liquid inlet, and the second sealing plug blocks the second liquid inlet.

[0014] According to some embodiments of the present utility model, the liquid discharge valve structure further includes a filter head, the filter head is sleeved on the second valve stem, and the filter head is adjacent to the second sealing plug.

[0015] According to some embodiments of the present utility model, the valve body is provided with a first installation groove and a second installation groove, the first valve stem is inserted into the first installation groove, and the second valve stem is inserted into the second installation groove; a flow dividing rib is provided in the valve body, and the flow dividing rib divides the cavity in the valve body into independent first and second flow channels.

[0016] In addition, the present utility model further provides a wall breaker, which includes the liquid discharge valve structure as described above, and further includes a mixing cup, a mixing blade assembly, a waste water tank and a cooking cup. The mixing cup is provided with a mixing cavity, the mixing blade assembly is disposed in the mixing cavity, the cooking cup is communicated with the first flow channel, and the waste water tank is communicated with the second flow channel.

[0017] In summary, the liquid discharge valve structure provided by the present utility model and the wall breaker including the same have at least the following technical effects:

[0018] When the transmission gear rotates, the first rack and the second rack can move in opposite directions to adjust the positions of both the first valve stem and the second valve stem, thereby achieving the purpose of controlling the opening and closing of both the first liquid inlet and the second liquid inlet. The overall structure of the drain valve is relatively simple, easy to install, easy to implement functions, and has low production costs. Moreover, the compact layout of the first rack, the second rack, and the transmission gear makes the overall structure of the drain valve relatively compact, occupying less overall space, optimizing space utilization, and thus allowing the first liquid inlet, the second liquid inlet, and the stirring blade to be arranged on the same side within the stirring chamber. Description of the Drawings

[0019] Figure 1 Front view structural schematic diagram of the wall breaker according to an embodiment of the present invention;

[0020] Figure 2 Three-dimensional structural schematic diagram of the wall breaker according to an embodiment of the present invention;

[0021] Figure 3 Three-dimensional structural schematic diagram of the wall breaker (without showing the stirring cup) according to an embodiment of the present invention;

[0022] Figure 4 Three-dimensional structural schematic diagram of the drain valve structure according to an embodiment of the present invention;

[0023] Figure 5 Cross-sectional structural schematic diagram of the valve body according to an embodiment of the present invention;

[0024] Figure 6 Exploded structural schematic diagram of the drain valve structure according to an embodiment of the present invention;

[0025] Figure 7 Structural schematic diagram of the adjustment motor according to an embodiment of the present invention.

[0026] Among them, the meanings of the reference numerals are as follows:

[0027] 11. Valve body; 111. First liquid inlet; 112. Second liquid inlet; 113. First flow channel; 114. Second flow channel; 115. First drain pipe; 116. Second drain pipe; 117. First installation groove; 118. Second installation groove; 119. Flow dividing rib; 12. First valve rod; 121. First sealing plug; 122. First annular step; 13. Second valve rod; 131. Second sealing plug; 132. Filter head; 133. Second annular step; 14. Driving assembly; 141. First rack; 1411. Projection; 142. Second rack; 143. Transmission gear; 144. Adjusting motor; 1441. Output shaft; 15. Micro switch; 16. Mounting seat; 17. First elastic member; 18. Second elastic member; 19. Valve sleeve; 20. Stirring cup; 201. Stirring cavity; 21. Stirring blade assembly; 22. Waste water tank; 23. Cooking cup; 24. Main machine base. Detailed implementation manners

[0028] For better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

[0029] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the description of the present utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the present utility model.

[0031] The present utility model will be further described in detail below with reference to the accompanying drawings.

[0032] Please refer to Figures 1 - 7, this embodiment discloses a liquid discharge valve structure for a wall breaker. The wall breaker includes this liquid discharge valve structure, and also includes a main base 24, a stirring cup 20, a stirring blade assembly 21, a waste water tank 22, and a cooking cup 23. The stirring cup 20 is connected to the main base 24. The stirring cup 20 is provided with a stirring cavity 201. The stirring blade assembly 21 is arranged in the stirring cavity 201. The stirring blade assembly 21 is also in transmission connection with a driving motor in the main base 24. It can be understood that the food ingredients can be washed in the stirring cavity 201 before processing. After the food ingredients are washed, the waste water tank 22 is used to collect the waste water for washing the food ingredients, and the cooking cup 23 is used to collect the slurry formed after the food ingredients are processed in the stirring cup 20;

[0033] The liquid discharge valve structure includes a valve body 11, a first valve rod 12, a second valve rod 13, and a driving component 14; the valve body 11 is assembled in the main base 24. Specifically, the valve body 11 is provided with a first flow channel 113 and a second flow channel 114 that are spaced apart from each other. The valve body 11 is also provided with a first liquid inlet 111 and a second liquid inlet 112 for being arranged in the stirring cavity 201. The first liquid inlet 111 is communicated with the first flow channel 113, and the second liquid inlet 112 is communicated with the second flow channel 114. More specifically, the cooking cup 23 of the wall breaker is communicated with the first flow channel 113, and the waste water tank 22 of the wall breaker is communicated with the second flow channel 114; the first valve rod 12 is movably arranged at the first liquid inlet 111 to control the opening and closing of the first liquid inlet 111; the second valve rod 13 is movably arranged at the second liquid inlet 112 to control the opening and closing of the second liquid inlet 112; in short, when the food ingredients are washed, the first liquid inlet 111 can be closed and the second liquid inlet 112 can be opened to divert the waste water to the waste water tank 22, and when the food ingredients are processed, the first liquid inlet 111 can be opened and the second liquid inlet 112 can be closed to divert the slurry to the cooking cup 23.

[0034] Such as Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, preferably, in this embodiment, the drive assembly 14 includes a first rack 141, a second rack 142, and a transmission gear 143. The first rack 141 is drivingly connected to the first valve stem 12, the second rack 142 is drivingly connected to the second valve stem 13, and the first rack 141 and the second rack 142 are respectively meshed with opposite sides of the transmission gear 143. When the first rack 141 and the second rack 142 move to the initial position, the first valve stem 12 closes the first liquid inlet 111, and the second valve stem 13 closes the second liquid inlet 112. When the first rack 141 and the second rack 142 move to the first position, the first rack 141 pushes the first valve stem 12 upward, at this time the first liquid inlet 111 is opened, and the second valve stem 13 closes the second liquid inlet 112. When the first rack 141 and the second rack 142 move to the second position, the first valve stem 12 closes the first liquid inlet 111, and the second rack 142 pushes the second valve stem 13 upward, at this time the second liquid inlet 112 is opened.

[0035] For the liquid discharge valve structure provided in this embodiment, when the transmission gear 143 rotates, the first rack 141 and the second rack 142 can move in opposite directions to adjust the positions of the first valve stem 12 and the second valve stem 13, so as to achieve the purpose of controlling the opening and closing of the first liquid inlet 111 and the second liquid inlet 112. The overall structure of the liquid discharge valve is relatively simple, easy to install, easy to achieve functions, and has low production costs. Moreover, the compact layout of the first rack 141, the second rack 142, and the transmission gear 143 makes the overall structure of the liquid discharge valve relatively compact, with a small overall occupied space, optimizing the space utilization, so that the first liquid inlet 111, the second liquid inlet 112, and the stirring blade can be arranged on the same side in the stirring cavity 201.

[0036] As Figure 1 、 Figure 2 、 Figure 3 and Figure 5 shown, specifically, in this embodiment, a flow dividing rib 119 is provided in the valve body 11. The flow dividing rib 119 divides the cavity in the valve body 11 into independent first flow channel 113 and second flow channel 114, and the first flow channel 113 and the second flow channel 114 are not communicated with each other. More specifically, in this embodiment, the valve body 11 further includes a first drain pipe 115 and a second drain pipe 116. The first liquid inlet 111, the first flow channel 113, the first drain pipe 115, and the cooking cup 23 are sequentially communicated, and the second liquid inlet 112, the second flow channel 114, the second drain pipe 116, and the waste liquid cup are sequentially communicated. In this way, when the first liquid inlet 111 is opened, the slurry can flow smoothly and fully into the cooking cup 23, and when the second liquid inlet 112 is opened, the waste water can flow smoothly and fully into the cooking cup 23.

[0037] As Figure 6 and Figure 7As shown, in this embodiment, the drive assembly 14 further includes an adjustment motor 144 for driving the transmission gear 143 to rotate. Specifically, the adjustment motor 144 has an output shaft 1441, and the output shaft 1441 is drivingly connected to the transmission gear 143. Preferably, the axis of the output shaft 1441 is perpendicular to the axis of the transmission gear 143. In this way, the structural arrangement of the drive assembly 14 is further optimized, thereby further reducing the space occupied by the drive assembly 14 and further improving the space utilization rate.

[0038] Preferably, in this embodiment, the drain valve structure further includes a valve sleeve 19. The valve sleeve 19 is sleeved on the outer side wall of the valve body 11. The valve sleeve 19 is used to enable the valve body 11 to achieve a sealed assembly with the main seat 24 after assembly, thereby improving the assembly stability and avoiding shaking.

[0039] As Figure 4 and Figure 6 As shown, preferably, in this embodiment, the drain valve structure further includes a microswitch 15. The microswitch 15 is used to control the operation of the adjustment motor 144. When the first rack 141 and the second rack 142 move to the initial position, the microswitch 15 is triggered to stop the adjustment motor 144. In this way, by setting the microswitch 15, when the stirring blade assembly 21 is working, it can be ensured that the first rack 141 and the second rack 142 remain in the initial position to ensure that the first liquid inlet 111 and the second liquid inlet 112 are closed simultaneously, so that the food ingredients can be fully processed in the mixing cup 20.

[0040] Preferably, in this embodiment, in order to improve the triggering sensitivity of the microswitch 15 to improve the control accuracy, a protrusion 1411 is provided on the side wall of the first rack 141. When the first rack 141 and the second rack 142 move to the initial position, the protrusion 1411 contacts the microswitch 15 to stop the adjustment motor 144, and further enables the first rack 141 and the second rack 142 to remain in the initial position.

[0041] As Figure 4 and Figure 6 As shown, preferably, in this embodiment, the drain valve structure further includes a mounting seat 16. The transmission gear 143 is rotatably connected to the mounting seat 16, and both the first rack 141 and the second rack 142 are slidably disposed in the mounting seat 16. In this way, the transmission gear 143, the first rack 141, the second rack 142, and the mounting seat 16 form an integral module, thereby further making the overall arrangement of the drain valve structure more compact, further reducing the occupied space, and improving the space utilization rate.

[0042] As Figure 4 and Figure 6As shown, further, in this embodiment, the drain valve structure further includes a first elastic member 17 and a second elastic member 18; when the first rack 141 and the second rack 142 are in the initial position, the first elastic member 17 is configured to elastically drive the first valve stem 12 to close the first liquid inlet 111, and the second elastic member 18 is configured to elastically drive the second valve stem 13 to close the second liquid inlet 112; when the first rack 141 and the second rack 142 are in the first position, the first rack 141 contacts the first valve stem 12 and pushes up the first valve stem 12 to open the first liquid inlet 111. There is a gap between the second rack 142 and the second valve stem 13, and the second rack 142 and the second valve stem 13 do not contact each other. The second elastic member 18 is configured to elastically drive the second valve stem 13 to close the second liquid inlet 112; when the first rack 141 and the second rack 142 are in the second position, there is a gap between the first rack 141 and the first valve stem 12, and the first rack 141 and the first valve stem 12 do not contact each other. The first elastic member 17 is configured to elastically drive the first valve stem 12 to close the first liquid inlet 111, and the second rack 142 contacts the second valve stem 13 and pushes up the second valve stem 13 to open the second liquid inlet 112.

[0043] Preferably, in this embodiment, in order to further improve the compactness of the overall structure, the first elastic member 17 is sleeved on the first valve stem 12, and the second elastic member 18 is sleeved on the second valve stem 13. Preferably, in this embodiment, in order to improve the working stability of the first elastic member 17 and the second elastic member 18, a first annular step 122 is provided on the first valve stem 12, and a second annular step 133 is provided on the second valve stem 13. One end of the first elastic member 17 abuts against the first annular step 122, and the other end of the first elastic member 17 abuts against the inner wall of the valve body 11. One end of the second elastic member 18 abuts against the second annular step 133, and the other end of the second elastic member 18 abuts against the inner wall of the valve body 11; wherein, the first elastic member 17 and the second elastic member 18 can preferably be spring members.

[0044] It should be noted that in some other embodiments, the first elastic member 17 and the second elastic member 18 can also but are not limited to elastic rubber or disc springs, etc., and can be selected according to actual needs, and are not uniquely defined here.

[0045] Such as Figure 4 、 Figure 5 and Figure 6As shown, preferably, in this embodiment, in order to improve the sealing performance of the first liquid inlet 111 and the second liquid inlet 112 when they are closed, a first sealing plug 121 is provided at one end of the first valve stem 12 away from the first rack 141, and a second sealing plug 131 is provided at one end of the second valve stem 13 away from the second rack 142; when the first rack 141 and the second rack 142 move to the initial position, the first valve stem 12 drives the first sealing plug 121 to block the first liquid inlet 111, and the second valve stem 13 drives the second sealing plug 131 to block the second liquid inlet 112; when the first rack 141 and the second rack 142 are in the first position, the first rack 141 contacts the first valve stem 12 and pushes up the first valve stem 12 and the first sealing plug 121, thereby opening the first liquid inlet 111. There is a gap between the second rack 142 and the second valve stem 13, and the second rack 142 and the second valve stem 13 do not contact each other. The second elastic member 18 is configured to elastically drive the second valve stem 13, and the second valve stem 13 drives the second sealing plug 131 to close the second liquid inlet 112; when the first rack 141 and the second rack 142 are in the second position, there is a gap between the first rack 141 and the first valve stem 12, and the first rack 141 and the first valve stem 12 do not contact each other. The first elastic member 17 is configured to elastically drive the first valve stem 12, and the first valve stem 12 drives the first sealing plug 121 to close the first liquid inlet 112. The second rack 142 and the second valve stem 13 contact and push up the second valve stem 13 and the second sealing plug 131 to open the second liquid inlet 112.

[0046] As Figure 4 , Figure 5 and Figure 6 As shown, preferably, in this embodiment, the drain valve structure further includes a filter head 132. The filter head 132 is sleeved on the second valve stem 13, and the filter head 132 is adjacent to the second sealing plug 131. Thus, when the second liquid inlet 112 is opened to drain wastewater, the substances in the mixing cup 20 need to pass through the filter head 132 before entering the second flow channel 114, and the food ingredients in the mixing cup 20 cannot pass through the filter head 132, thereby avoiding the accidental discharge of food ingredients when draining wastewater and improving the utilization rate of food ingredients.

[0047] As Figure 6 As shown, specifically, in this embodiment, the valve body 11 is provided with a first installation groove 117 and a second installation groove 118. The first valve stem 12 is inserted into the first installation groove 117, and the second valve stem 13 is inserted into the second installation groove 118. Thus, it provides positioning and guidance for the installation and movement of the first valve stem 12 and the second valve stem 13, thereby improving the installation stability and movement stability of the first valve stem 12 and the second valve stem 13.

[0048] In summary, the drain valve structure disclosed by the present utility model and the wall breaker including the same can at least bring the following beneficial technical effects:

[0049] 1) When the transmission gear 143 rotates, the first rack 141 and the second rack 142 can move in opposite directions to adjust the positions of both the first valve stem 12 and the second valve stem 13, thereby achieving the purpose of controlling the opening and closing of both the first liquid inlet 111 and the second liquid inlet 112. The overall structure of the drain valve is relatively simple, easy to install, easy to achieve its functions, and has low production costs;

[0050] 2) The compact layout of the first rack 141, the second rack 142, and the transmission gear 143 makes the overall structure of the drain valve relatively compact, occupying less overall space, optimizing the space utilization, so that the first liquid inlet 111, the second liquid inlet 112, and the stirring blade can be arranged on the same side within the stirring chamber 201;

[0051] 3) The axis of the output shaft 1441 is perpendicular to the axis of the transmission gear 143, which can further optimize the structural arrangement of the drive assembly 14, thereby further reducing the space occupied by the drive assembly 14 to further improve the space utilization rate;

[0052] 4) By setting the micro switch 15, when the stirring blade assembly 21 is working, it can ensure that the first rack 141 and the second rack 142 remain in the initial position to ensure the simultaneous closing of the first liquid inlet 111 and the second liquid inlet 112, so that the food ingredients can be fully processed within the mixing cup 20;

[0053] 5) A protrusion 1411 is provided on the side wall of the first rack 141. When the first rack 141 and the second rack 142 move to the initial position, the protrusion 1411 contacts the micro switch 15 to stop the adjustment motor 144 from working, thereby improving the triggering sensitivity of the micro switch 15.

[0054] The technical means disclosed in the solution of the present utility model are not limited to the technical means disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements are also regarded as the protection scope of the present utility model.

Claims

1. A drain valve structure for a wall breaking machine, characterized in that: include: A valve body (11), the valve body (11) being provided with a first flow channel (113) and a second flow channel (114) spaced apart from each other, the valve body (11) being further provided with a first liquid inlet (111) and a second liquid inlet (112) for being arranged in the stirring chamber (201), the first liquid inlet (111) being in communication with the first flow channel (113), and the second liquid inlet (112) being in communication with the second flow channel (114); A first valve stem (12) movably disposed at the first liquid inlet (111); a second valve stem (13) movably disposed at the second liquid inlet (112); A driving assembly (14) comprising a first rack (141), a second rack (142) and a transmission gear (143), wherein the first rack (141) is transmission-connected to the first valve stem (12), the second rack (142) is transmission-connected to the second valve stem (13), and the first rack (141) and the second rack (142) are respectively meshed and connected to opposite sides of the transmission gear (143); when the first rack (141) and the second rack (142) move to an initial position, the first valve stem (12) closes the first liquid inlet. (111), the second valve stem (13) closes the second liquid inlet (112); when the first rack (141) and the second rack (142) move to the first position, the first valve stem (12) opens the first liquid inlet (111), and the second valve stem (13) closes the second liquid inlet (112); when the first rack (141) and the second rack (142) move to the second position, the first valve stem (12) closes the first liquid inlet (111), and the second valve stem (13) opens the second liquid inlet (112).

2. The drain valve structure according to claim 1, characterized in that: The driving assembly (14) further comprises an adjusting motor (144), wherein the adjusting motor (144) has an output shaft (1441), wherein the output shaft (1441) is drivingly connected to the transmission gear (143), and the axis of the output shaft (1441) is perpendicular to the axis of the transmission gear (143).

3. The drain valve structure according to claim 2, characterized in that: The drain valve structure further comprises a micro switch (15), wherein the micro switch (15) is used to control the operation of the regulating motor (144); when the first rack (141) and the second rack (142) move to the initial position, the micro switch (15) is triggered to stop the regulating motor (144) from operating.

4. The drain valve structure according to claim 3, characterized in that: A protrusion (1411) is provided on the side wall of the first rack (141), and when the first rack (141) and the second rack (142) move to the initial position, the protrusion (1411) contacts the micro switch (15).

5. The drain valve structure according to claim 1, characterized in that: The liquid discharge valve structure also includes a mounting seat (16), the transmission gear (143) is rotatably connected to the mounting seat (16), and the first rack (141) and the second rack (142) are both slidably disposed in the mounting seat (16).

6. The drain valve structure according to claim 1, characterized in that: The drain valve structure further comprises a first elastic member (17) and a second elastic member (18); when the first rack (141) and the second rack (142) are in the initial position, the first elastic member (17) is configured to elastically drive the first valve stem (12) to close the first liquid inlet (111), and the second elastic member (18) is configured to elastically drive the second valve stem (13) to close the second liquid inlet (112); when the first rack (141) and the second rack (142) are in the first position When the first rack (141) and the second rack (142) are in the second position, a gap is formed between the second rack (141) and the second valve stem (13), and the second elastic member (18) is configured to elastically drive the second valve stem (13) to close the second liquid inlet (112); when the first rack (141) and the second rack (142) are in the second position, a gap is formed between the first rack (141) and the first valve stem (12), and the first elastic member (17) is configured to elastically drive the first valve stem (12) to close the first liquid inlet (111).

7. The drain valve structure according to claim 6, characterized in that: A first sealing plug (121) is provided at one end of the first valve stem (12) away from the first rack (141), and a second sealing plug (131) is provided at one end of the second valve stem (13) away from the second rack (142); when the first rack (141) and the second rack (142) move to an initial position, the first sealing plug (121) blocks the first liquid inlet (111), and the second sealing plug (131) blocks the second liquid inlet (112).

8. The drain valve structure according to claim 7, characterized in that: The liquid discharge valve structure further comprises a filter head (132), wherein the filter head (132) is sleeved on the second valve stem (13), and the filter head (132) is adjacent to the second sealing plug (131).

9. The drain valve structure according to claim 1, characterized in that: The valve body (11) is provided with a first mounting groove (117) and a second mounting groove (118), the first valve stem (12) is inserted into the first mounting groove (117), and the second valve stem (13) is inserted into the second mounting groove (118); a diverter rib (119) is provided in the valve body (11), and the diverter rib (119) divides the cavity in the valve body (11) into the first independent flow channel (113) and the second independent flow channel (114).

10. A wall breaking machine, characterized in that: The invention comprises a drain valve structure as claimed in any one of claims 1 to 9, and further comprises a stirring cup (20), a stirring blade assembly (21), a waste water tank (22) and a cooking cup (23), wherein the stirring cup (20) is provided with a stirring chamber (201), the stirring blade assembly (21) is arranged in the stirring chamber (201), the cooking cup (23) is connected to the first flow channel (113), and the waste water tank (22) is connected to the second flow channel (114).

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