Auxiliary guide wheel structure of water dispenser tray

Abstract

The utility model discloses an auxiliary guide wheel structure for a tray of a water dispenser, and relates to the technical field of water dispensers. A water dispenser tray auxiliary guide wheel structure comprises a guide assembly used for guiding a tray to slide and an auxiliary supporting wheel set used for assisting and supporting the tray, and the guide assembly comprises guide sliding rails arranged on the two sides of a bottom plate of a water dispenser body and guide sliding blocks arranged on the two sides of the end, away from an opening of a containing cavity, of the tray; the auxiliary supporting wheel set comprises a guide wheel support and a supporting guide wheel, the supporting guide wheel is arranged at the end, close to the opening of the containing cavity, of the tray through the guide wheel support, and the supporting guide wheel can support the tray when the tray slides through mutual cooperation of the guide assembly and the auxiliary supporting wheel set. The gravity center of the water dispenser does not move forwards, so that the water dispenser topples forwards, the barreled water does not bend the tray easily, the influence of the barreled water on sliding of the tray can be reduced, and the sliding stability and durability of the tray can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water dispensers, in particular to an auxiliary guide wheel structure of a tray of a water dispenser. Background Art

[0002] With the improvement of living standards, people have higher requirements for the quality and convenience of drinking water, so water dispensers have emerged. Water dispensers can be divided into direct drinking water dispensers and bottled water dispensers according to the water source. Bottled water dispensers are widely used in homes, offices and various places due to their simple structure, low cost, low installation requirements and high adaptability.

[0003] Bottled water dispensers can be categorized as top-mounted dispensers, where the bottled water is mounted on top of the dispenser, and bottom-mounted dispensers, where the bottled water is placed at the bottom of the dispenser. Bottom-mounted dispensers are more convenient than top-mounted dispensers because they don't require lifting when replacing the bottled water. Furthermore, because the bottled water in bottom-mounted dispensers is placed upright, the possibility of leaks is significantly reduced.

[0004] The water changing process of a traditional bottom-mounted water dispenser is generally to place the bottled water in front of the bottom receiving chamber of the dispenser body, insert the water pipe and pump, and then push the bottled water into the receiving chamber. Finally, the bottled water can be filled, which is laborious and troublesome. Therefore, a new bottom-mounted water dispenser with a sliding tray has been launched on the market. For example, a bottom-mounted water dispenser in the prior art, Figure 1 and Figure 2 The water dispenser comprises a water dispenser body 1, wherein a receiving chamber 11 for accommodating bottled water is defined at the bottom of the water dispenser body 1, a tray 12 for supporting the bottled water is disposed in the receiving chamber 11, and the water dispenser body 1 further comprises a bottom plate 13 disposed at the bottom of the receiving chamber 11, the tray 12 being slidably connected to the bottom plate 13 of the water dispenser body 1. Specifically, a fixed slider 14 is disposed on the bottom plate 13 of the water dispenser body 1, and a linear slide 15 slidably connected to the fixed slider 14 is disposed on the bottom side of the tray 12. The sliding of the linear slide 15 on the fixed slider 14 makes it easier and more convenient to pull the tray 12 and the bottled water out of or into the receiving chamber 11.

[0005] However, during long-term use, it was found that when the tray was slid out, the part of the tray extending out of the accommodating cavity was completely suspended. Especially after replacing the new bottled water, the fully loaded bottled water could easily bend the tray and directly affect the sliding connection between the linear slide rail and the fixed slider, resulting in a decrease in the sliding stability of the tray. Over time, the tray became more difficult to slide or even impossible to slide. Utility Model Content

[0006] In order to reduce the impact of a fully loaded bottled water on the sliding of the tray inside the water dispenser, ensure the sliding stability of the tray at the bottom of the water dispenser, and increase the service life of the tray of the water dispenser, the present application provides an auxiliary guide wheel structure for the tray of the water dispenser.

[0007] The present application provides a water dispenser tray auxiliary guide wheel structure adopting the following technical solution:

[0008] An auxiliary guide wheel structure for a water dispenser tray, comprising a guide assembly for guiding the tray to slide, and an auxiliary support wheel assembly for assisting and supporting the tray;

[0009] The guide assembly includes two sets of guide rails and two sets of guide sliders. The guide rails are arranged on both sides of the bottom plate of the water dispenser body. The guide sliders are arranged on the side of the tray facing the bottom plate and are located at the end of the bottom plate away from the opening of the accommodating cavity. The two sets of guide sliders are respectively slidably connected to the two sets of guide rails.

[0010] The auxiliary support wheel group includes a guide wheel bracket and a support guide wheel. The guide wheel bracket is arranged on the side of the tray facing the bottom plate, and the support guide wheel is arranged at the end of the guide wheel bracket away from the tray. The tray is provided with a wide storage groove for hiding the support guide wheel. The auxiliary support wheel group passes through the wide storage groove and contacts the ground.

[0011] By adopting the above technical solution, when the bottled water needs to be replaced, the tray and the empty bottled water slide out of the accommodating cavity through the mutual sliding between the guide slider and the guide rail. In the process of the tray sliding out of the accommodating cavity, the end of the tray sliding out of the accommodating cavity can be supported by the auxiliary support wheel group, while the end that has not slid out of the accommodating cavity is supported by the guide slider and the guide rail. That is, the tray can always maintain sufficient support during the sliding process of the tray, so even after the full bottled water is replaced later, the full bottled water is not likely to bend the tray, which can effectively reduce the impact of the full bottled water on the sliding of the tray, which is conducive to improving the sliding stability and durability of the tray.

[0012] Optionally, the auxiliary support wheel group further includes a steering disc, which is arranged between the guide wheel bracket and the base plate, and the guide wheel bracket is rotatably connected to the base plate through the steering disc.

[0013] By adopting the above technical solution, the guide wheel bracket and the support guide wheel can be steered through the steering disc, so that whether the conventional tray slides or the entire water dispenser needs to turn and move, the auxiliary support wheel group can play a supporting and auxiliary movement role, which is beneficial to improving the use value of the auxiliary guide wheel group.

[0014] Optionally, the auxiliary support wheel group is provided in one group, and the auxiliary support wheel group is arranged at one end of the bottom plate close to the opening of the accommodating cavity and is located in the middle position, and the wide receiving groove is arranged in a rectangular shape.

[0015] By adopting the above technical solution, a single set of auxiliary support wheels is positioned in the center of the bottom of the tray. Together with the guide sliders on either side of the tray, a stable triangular structure is formed. This single set of auxiliary support wheels, two sets of guide sliders, and guide rails are all capable of fully supporting the tray and bottled water. Furthermore, the wide rectangular storage slot not only provides ample space for the single set of auxiliary support wheels to move, but also allows the single auxiliary support wheel set to be concealed within the housing cavity when the dispenser's door is closed, enhancing its aesthetic appeal.

[0016] Optionally, two groups of auxiliary support wheel groups are provided, and both groups of auxiliary support wheel groups are arranged at one end of the bottom plate close to the opening of the accommodating cavity, and are symmetrical to each other along the central axis of the bottom plate, and the wide receiving groove is arranged in a trapezoidal shape.

[0017] By adopting the above technical solution, the two sets of auxiliary support wheels, combined with the existing two sets of guide sliders and guide rails, can fully distribute the weight of the tray and the bottled water, making the tray support more evenly distributed. This not only helps improve the tray's support and sliding stability, but also effectively reduces the pressure on a single auxiliary support wheel set, which helps to increase the service life of the auxiliary support wheels. Furthermore, combined with the trapezoidal wide storage slot, not only can sufficient space be provided for the movement of multiple sets of auxiliary support wheels at the same time, but when the storage chamber of the water dispenser body is closed, multiple sets of auxiliary support wheels can be hidden within the storage chamber, which has a certain aesthetic appeal.

[0018] Optionally, it further includes a driving assembly for driving the tray to slide automatically, the driving assembly including a driving member, a steering reducer, a screw rod and a driving slider;

[0019] A first bracket is provided on the end of the bottom plate of the water dispenser body away from the first bracket, the driving member is installed above the first bracket, the steering reducer is provided directly below the first bracket, and the driving end of the driving member extends vertically downward and is connected to the input end of the steering reducer;

[0020] Two groups of second brackets are provided on the bottom plate of the water dispenser body, the screw rod is rotatably provided between the two groups of the second brackets, and the extension direction of the screw rod is parallel to the extension direction of the guide rail, the output end of the steering reducer is connected to the screw rod, the driving slider is threadedly sleeved on the screw rod, and is located between the two groups of the second brackets, and the top end of the driving slider is fixedly connected to the tray.

[0021] By adopting the above technical solution, the tray is driven to slide automatically by the drive assembly, eliminating the need to manually pull the tray and bottled water out of or push it into the receiving chamber of the water dispenser body. This not only saves effort but also makes the process of changing bottled water simpler and more convenient. Secondly, the screw rod and drive slider cooperate to drive the tray to slide, which helps to improve the stability of the tray during sliding.

[0022] Optionally, a buffer pad is provided on one side of the two groups of second brackets facing the driving slider.

[0023] By adopting the above technical solution, when the driving slider slides toward any group of second brackets, the buffer pad can fully buffer and block the driving slider, preventing the driving slider from colliding with the second bracket due to the inertial rotation of the driving member, which is beneficial to prevent the second bracket or the driving slider from being damaged due to collision.

[0024] Optionally, the driving slider is specifically a ball slider.

[0025] By adopting the above technical solution, since the driving slider does not need to bear the weight of the pallet and the fully loaded bottled water, a low-friction ball slider is selected to drive the pallet to slide. This is not only conducive to improving the smoothness of the sliding of the driving slider on the screw rod and improving the sliding stability of the pallet, but also conducive to reducing the load on the driving parts and steering reducer, thereby extending the service life of the driving parts.

[0026] Optionally, the guide slider is specifically a roller slider.

[0027] By adopting the above technical solution, since the guide slider needs to cooperate with the auxiliary support guide wheel to support the pallet and bottled water, and the roller slider has a higher load-bearing capacity, the roller slider is selected as the guide slider, which is beneficial to greatly improve the load-bearing capacity of the guide slider. At the same time, it is also beneficial to prevent the weight of the bottled water from crushing the guide slider and reduce the impact on the sliding of the pallet.

[0028] In summary, the technical solution of this application has at least one of the following beneficial effects:

[0029] 1. Through the cooperation between the guide assembly and the auxiliary support wheel group, when the pallet slides out of the accommodating cavity, the end of the pallet that slides out of the accommodating cavity can be supported by the auxiliary support wheel group, while the end that does not slide out of the accommodating cavity is supported by the guide slider and the guide rail. Therefore, even after the full load of bottled water is replaced later, the full load of bottled water is not likely to bend the pallet, which can effectively reduce the impact of the full load of bottled water on the sliding of the pallet, and is conducive to improving the sliding stability and durability of the pallet.

[0030] 2. By setting a driving component to drive the tray to slide by itself, there is no need to manually pull the tray and bottled water out or push it into the accommodating cavity of the water dispenser body, which not only saves labor but also makes the process of changing bottled water simpler and more convenient.

[0031] 3. By reasonably selecting the number of auxiliary support wheel groups and setting their specific positions, it is beneficial to fully support the pallet while reducing the pressure brought to the auxiliary support wheel groups by the pallet and bottled water, which is beneficial to extend the service life of the auxiliary support wheel groups. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is a structural diagram of a bottom-mounted water dispenser in the prior art, where the tray is in a slid-out state.

[0033] Figure 2 This is a cross-sectional view of a bottom-mounted water dispenser in the prior art, with the tray in a slid-out state.

[0034] Figure 3 This is a structural schematic diagram of an auxiliary guide wheel structure of a water dispenser tray in Example 1 of the present application, where the tray is in a sliding out state.

[0035] Figure 4 This is a schematic diagram of the bottom structure of an auxiliary guide wheel structure of a water dispenser tray in Example 1 of the present application, where the tray is in a sliding out state.

[0036] Figure 5 This is a front view of an auxiliary guide wheel structure of a water dispenser tray in Example 1 of the present application, where the tray is in a slid-out state.

[0037] Figure 6 yes Figure 5 Cross-sectional view of AA in the figure.

[0038] Figure 7 yes Figure 5 Cross-sectional view of BB.

[0039] Figure 8 This is a schematic diagram of the bottom structure of an auxiliary guide wheel structure of a water dispenser tray in Example 2 of the present application, where the tray is in a sliding out state.

[0040] Description of reference numerals:

[0041] 1. Water dispenser body; 11. Accommodating cavity; 12. Tray; 13. Bottom plate; 131. Storage wide slot; 14. Fixed slider; 15. Linear slide rail; 16. First bracket; 17. Second bracket; 171. Buffer pad; 2. Guide assembly; 21. Guide rail; 22. Guide slider; 3. Auxiliary support wheel group; 31. Guide wheel bracket; 32. Support guide wheel; 33. Steering disc; 4. Drive assembly; 41. Drive member; 42. Steering reducer; 43. Screw; 44. Drive slider. DETAILED DESCRIPTION

[0042] The following is combined with Figure 3-8 This application is described in further detail.

[0043] Reference Figure 3 A water dispenser includes a water dispenser body 1. A receiving cavity 11 for accommodating bottled water is provided at the bottom of the water dispenser body 1. A tray 12 for supporting bottled water is provided in the receiving cavity 11 of the water dispenser body 1. The water dispenser body 1 also includes a bottom plate 13 provided at the bottom of the receiving cavity 11. The tray 12 is slidably connected to the bottom plate 13 of the water dispenser body 1.

[0044] Example 1

[0045] The first embodiment of the present application discloses a water dispenser tray auxiliary guide wheel structure. Figure 3 and Figure 4 A water dispenser tray auxiliary guide wheel structure includes a guide assembly 2, an auxiliary support wheel assembly 3, and a drive assembly 4. The guide assembly 2 is used to guide the tray 12 to slide; the auxiliary support wheel assembly 3 is used to assist the guide assembly 2 and support the tray 12, so that the tray 12 can always remain supported during the sliding process, thereby reducing the direct impact of a fully loaded bottled water on the tray 12 and its sliding; and the drive assembly 4 is used to drive the tray 12 to slide on its own, so that bottled water can be taken out of or put into the receiving chamber 11 without manually pulling or pushing the tray 12.

[0046] Reference Figure 3 、 Figure 5 and Figure 6The guide assembly 2 includes a guide rail 21 and a guide slider 22, wherein the guide rail 21 is fixedly arranged on the bottom plate 13 of the accommodating cavity 11 of the water dispenser body 1, and the guide rail 21 extends in the direction of entering and exiting the accommodating cavity 11. The guide slider 22 is fixedly arranged on the side of the tray 12 facing the bottom plate 13, and the guide slider 22 is slidably connected to the guide rail 21. Specifically, in this embodiment, there are two sets of guide rails 21 and two sets of guide sliders 22. The two sets of guide rails 21 are respectively located on both sides of the bottom plate 13, and the two sets of guide sliders 22 are arranged corresponding to the two sets of guide rails 21. Furthermore, the guide slider 22 can be a roller slider, a ball slider or a roller slider. In this embodiment, the guide slider 22 specifically uses a roller slider with high load-bearing capacity, so as to prevent the weight of the bottled water from crushing the guide slider 22 and reduce the impact on the sliding of the tray 12.

[0047] Reference Figure 4 、 Figure 7 The auxiliary support wheel group 3 includes a guide wheel bracket 31 and a support guide wheel 32, wherein the guide wheel bracket 31 is arranged on the side of the tray 12 facing the bottom plate 13 and extends vertically downward, and the support guide wheel 32 is rotatably arranged at the end of the guide wheel bracket 31 away from the tray 12, and the support guide wheel 32 is in contact with the ground. Specifically, in this embodiment, only one set of auxiliary support wheel groups 3 is provided, and the support guide wheel 32 is arranged at the end of the bottom side of the tray 12 near the opening of the accommodating cavity 11 through the guide wheel bracket 31 and is located in the middle position. Therefore, in this embodiment, the auxiliary support wheel group 3 and the guide sliders 22 on both sides of the bottom side of the tray 12 form a stable triangular structure. When the tray 12 slides out of the accommodating cavity 11 along the guide assembly 2, the end of the tray 12 that slides out of the accommodating cavity 11 can be fully supported by the auxiliary support wheel group 3, while the end that does not slide out of the accommodating cavity 11 is supported by the guide slider 22 and the guide rail 21. Moreover, since the support guide wheel 32 can slide, the auxiliary support wheel group 3 does not affect the sliding of the tray 12. The bottom plate 13 is also provided with a rectangular wide storage slot 131 for concealing the auxiliary support wheel set 3. The auxiliary support wheel set 3 passes through the storage slot 131 and contacts the ground. Therefore, when the tray 12 is normally stored in the accommodating cavity 11, the auxiliary support wheel set 3 can be concealed in the storage slot 131, and the auxiliary support wheel set 3 does not interfere with the bottom plate 13 when it needs to be moved.

[0048] Furthermore, the auxiliary support wheel assembly 3 also includes a steering disc 33, which is disposed between the guide wheel bracket 31 and the tray 12. The guide wheel bracket 31 is rotatably connected to the tray 12 via the steering disc 33. The steering disc 33 is used to adjust the orientation of the guide wheel bracket 31 and the supporting guide wheel 32. Therefore, whether the tray 12 slides conventionally or the entire water dispenser needs to turn and move, the auxiliary support wheel assembly 3 can provide support and assist in movement.

[0049] Reference Figure 3 and Figure 7 The driving assembly 4 includes a driving member 41, a steering reducer 42, a screw rod 43 and a driving slider 44, wherein a first bracket 16 is provided at the end of the base plate 13 away from the opening of the accommodating chamber 11, the driving member 41 is fixedly mounted on the first bracket 16, and the steering reducer 42 is fixedly mounted directly below the first bracket 16. The driving end of the driving member 41 extends vertically downward and is connected to the input end of the steering reducer 42. The base plate 13 is also provided with two second brackets 17, which are respectively located at one end of the base plate 13 close to the opening of the accommodating chamber 11 and the end of the base plate 13 away from the opening of the accommodating chamber 11. The screw rod 43 is rotatably arranged on the second bracket 17, and the extension direction of the screw rod 43 is parallel to the extension direction of the guide slide rail 21. The output end of the steering reducer 42 is connected to the screw rod 43, so that the driving member 41 can drive the screw rod 43 to rotate through the steering reducer. The drive slider 44 is threadedly mounted on the screw rod 43 and is located between the two sets of second brackets 17. The top side of the drive slider 44 is fixedly connected to the bottom side of the tray 12. When the screw rod 43 rotates, the drive slider 44 can drive the tray 12 to slide along the guide assembly 2 via the thread, thereby achieving automatic sliding of the tray 12, eliminating the need for manual pulling or pushing of the tray 12. Specifically, the drive member 41 can be a drive member 41 that can achieve driven rotation, and the specific drive member 41 is a servo motor. The drive slider 44 can be a roller slider, a ball slider, or a roller slider. Since the drive slider 44 does not need to bear weight, in this embodiment, the drive slider 44 specifically uses a ball slider with low friction with the screw rod 43.

[0050] Furthermore, when the screw rod 43 rotates, the driving slider 44 slides back and forth along the screw rod 43 between the two second brackets 17. In order to reduce the collision between the driving slider 44 and the second bracket 17, thereby reducing damage to the driving slider 44, in this embodiment, a buffer pad 171 is provided on the side of the two second brackets 17 facing the driving slider 44.

[0051] The implementation principle of the auxiliary guide wheel structure of the water dispenser tray in the embodiment of the present application is as follows:

[0052] When the bottled water needs to be replaced, the screw 43 is first driven to rotate slowly through the driving member 41 and the steering reducer 42, driving the driving slider 44 and the tray 12 to slide along the extension direction of the guide rail 21, so that the tray 12 and the empty bottled water automatically slide out of the accommodating chamber 11 without manual pulling.

[0053] During the process of the tray 12 sliding outward from the accommodating chamber 11, the end of the tray 12 that has slid out of the accommodating chamber 11 is fully supported by the auxiliary support wheel assembly 3, while the end that has not slid out of the accommodating chamber 11 is supported by the guide slider 22 and the guide rail 21. As a result, the tray 12 can always maintain full support during the sliding process. Even after the full bottled water is subsequently replaced, the full bottled water is not likely to bend the tray 12, which can effectively reduce the impact of the full bottled water on the sliding of the tray 12, which is conducive to improving the sliding stability and durability of the tray 12. Moreover, after the bottled water is replaced, the tray 12 and the full bottled water can also be automatically slid in by the drive assembly 4 without the need for manual pushing.

[0054] Example 2

[0055] The second embodiment of the present application discloses a water dispenser tray auxiliary guide wheel structure. Figure 8 The difference between the second embodiment of the present application and the first embodiment is that the second embodiment is provided with two sets of auxiliary support wheel assemblies 3. Both sets of auxiliary support wheel assemblies 3 are arranged on the bottom side of the base plate 13, near the opening of the accommodating cavity 11, and are symmetrical with each other along the central axis of the base plate 13. Each set of auxiliary support wheel assemblies 3 includes a guide wheel bracket 31, a support guide wheel 32, and a steering disc 33. The guide wheel bracket 31 is rotatably connected to the bottom side of the tray 12 via the steering disc 33, and the support guide wheel 32 is rotatably connected to the end of the guide wheel bracket 31 away from the tray 12.

[0056] Reference Figure 8 Furthermore, a trapezoidal wide receiving groove 131 is provided on the bottom plate 13 of the water dispenser body 1 , and both sets of auxiliary support wheel groups 3 are stored and hidden in the wide receiving groove 131 .

[0057] The implementation principle of the auxiliary guide wheel structure of the water dispenser tray 12 in the second embodiment of the present application is as follows:

[0058] By providing multiple sets of auxiliary support wheel groups 3, not only can the support of the tray 12 be made more uniform and the sliding stability of the tray 12 be improved, but the pressure on a single auxiliary support wheel group 3 can also be effectively reduced, thereby increasing the service life of the auxiliary support wheel group 3.

[0059] This specific implementation manner is merely an explanation of the present application and is not a limitation of the present application. After reading this specification, those skilled in the art may make non-creative modifications to the specific implementation manner as needed, but as long as they are within the scope of the claims of the present application, they are protected by the patent law.

Claims

1. A water dispenser tray auxiliary guide wheel structure, characterized by: It comprises a guide assembly (2) for guiding the tray (12) to slide, and an auxiliary support wheel assembly (3) for assisting and supporting the tray (12); The guide assembly (2) includes two groups of guide rails (21) and two groups of guide sliders (22), wherein the guide rails (21) are arranged on both sides of the bottom plate (13) of the water dispenser body (1), and the guide sliders (22) are arranged on the side of the tray (12) facing the bottom plate (13) and located at the end of the bottom plate (13) away from the opening of the accommodating cavity (11), and the two groups of guide sliders (22) are respectively slidably connected to the two groups of guide rails (21); The auxiliary support wheel assembly (3) comprises a guide wheel bracket (31) and a support guide wheel (32). The guide wheel bracket (31) is arranged on a side of the tray (12) facing the bottom plate (13) and is located at an end of the tray (12) close to the opening of the accommodating cavity (11). The support guide wheel (32) is rotatably arranged at an end of the guide wheel bracket (31) away from the tray (12). The bottom plate (13) is provided with a wide storage slot (131) for hiding the support guide wheel (32). The auxiliary support wheel assembly (3) passes through the wide storage slot (131) and contacts the ground.

2. The auxiliary guide wheel structure for a water dispenser tray according to claim 1, characterized in that: The auxiliary support wheel assembly (3) further includes a steering disc (33), wherein the steering disc (33) is arranged between the guide wheel bracket (31) and the base plate (13), and the guide wheel bracket (31) is rotatably connected to the base plate (13) via the steering disc (33).

3. The auxiliary guide wheel structure for a water dispenser tray according to claim 2, characterized in that: The auxiliary support wheel group (3) is provided with one group. The auxiliary support wheel group (3) is arranged at one end of the bottom plate (13) close to the opening of the accommodating cavity (11) and is located in the middle position. The wide receiving groove (131) is arranged in a rectangular shape.

4. The auxiliary guide wheel structure for a water dispenser tray according to claim 2, characterized in that: Two groups of the auxiliary support wheel groups (3) are provided. Both groups of the auxiliary support wheel groups (3) are provided at one end of the bottom plate (13) close to the opening of the accommodating cavity (11), and are symmetrical to each other along the central axis of the bottom plate (13). The wide receiving groove (131) is provided in a trapezoidal shape.

5. The auxiliary guide wheel structure for a water dispenser tray according to claim 1, characterized in that: It also includes a driving assembly (4) for driving the tray (12) to slide on its own, the driving assembly (4) including a driving member (41), a steering reducer (42), a screw rod (43) and a driving slider (44); A first bracket (16) is provided at one end of the bottom plate (13) of the water dispenser body (1) away from the opening of the accommodating chamber (11); the driving member (41) is mounted above the first bracket (16); the steering reducer (42) is arranged directly below the first bracket (16); the driving end of the driving member (41) extends vertically downward and is connected to the input end of the steering reducer (42); Two groups of second brackets (17) are provided on the bottom plate (13) of the water dispenser body (1), the screw rod (43) is rotatably provided between the two groups of the second brackets (17), and the extension direction of the screw rod (43) is parallel to the extension direction of the guide rail (21), the output end of the steering reducer (42) is connected to the screw rod (43), the driving slider (44) is threadedly sleeved on the screw rod (43), and is located between the two groups of the second brackets (17), and the top end of the driving slider (44) is fixedly connected to the tray (12).

6. The auxiliary guide wheel structure for the water dispenser tray according to claim 5, characterized in that: A buffer cushion (171) is provided on one side of the two groups of second brackets (17) facing the driving slider (44).

7. The auxiliary guide wheel structure for a water dispenser tray according to claim 5, characterized in that: The driving slider (44) is specifically a ball slider.

8. The auxiliary guide wheel structure for a water dispenser tray according to claim 1, characterized in that: The guide slider (22) is specifically a roller slider.

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