Central lifting mechanism for mahjong machine
By using the bearing inner ring to cooperate with the limit groove and limit parts on the code plate in the central lifting mechanism of the mahjong machine, the rapid, simple and accurate adjustment of the height is achieved, and the cumbersome and complex adjustment process in the prior art is solved, and the applicability and operation convenience of the mahjong machine are improved.
Patent Information
- Application Number
- CN202421422265.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-06-20
AI Technical Summary
In existing fully automatic mahjong machines, the process of adjusting the height of the center lifting mechanism is complicated and error-prone.
A central lifting mechanism for a mahjong machine is designed, and the bearing inner ring is used to cooperate with the limit groove and the limiting part on the code disc. By rotating or moving the bearing inner ring, the limiting groove and the limiting part on the code disc are coordinated at different positions to achieve height adjustment.
It realizes rapid, simple and accurate adjustment of the height of the central lifting mechanism, adapts to different types of mahjong plaques, and improves the applicability and operation convenience of the mahjong machine.
Smart Images
Figure CN222955897U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of full-automatic mahjong machines, in particular to a central lifting mechanism for mahjong machines. Background Art
[0002] Mahjong, a popular entertainment tool in the world, has various ways of playing and is full of fun. The fully automatic mahjong machine has taken this traditional entertainment method to a new height. It integrates multiple functions such as automatic shuffling and card stacking, completely liberating the hands of players, eliminating the tedious process of manual shuffling and card stacking, and greatly improving the gaming experience. The fully automatic mahjong machine is exquisitely designed and complex in structure. It usually includes a base with a shuffling bucket and a panel covering the base. There is a card return hole in the center of the panel, which is used to accurately push the mahjong tiles on the panel into the shuffling bucket. The base is equipped with a shuffling mechanism, a card fetching and stacking mechanism (including a card fetching and conveying mechanism and a card stacking mechanism), a card feeding mechanism, a card lifting and receiving mechanism, and a central lifting mechanism. The coordinated work of these mechanisms ensures the efficient and stable operation of the mahjong machine. A traditional fully automatic mahjong machine includes a shuffling plate, a card suction mechanism and a central lifting mechanism. The central lifting mechanism includes a code plate and an inner ring of a bearing mounted on the code plate. The inner ring of the bearing is supported on the code plate and used to support the shuffling plate, and the card suction mechanism includes a card suction wheel that magnetically absorbs mahjong cards. A suitable gap is provided between the existing shuffling plate and the card suction wheel for mahjong cards to pass through. In order to adjust the gap, the prior art generally adjusts the height of the inner ring of the bearing by increasing or decreasing the number of gaskets provided between the inner ring of the bearing and the shoulder of the code plate, thereby adjusting the gap between the shuffling plate and the card suction wheel. However, this adjustment method is not only complicated but also prone to errors. Utility Model Content
[0003] In order to overcome the disadvantages of complicated and cumbersome height adjustment of the central lifting mechanism of a mahjong machine in the prior art, the utility model provides a central lifting mechanism for a mahjong machine, which can adjust the height of the inner ring of the bearing and has the characteristics of convenience and speed.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] A central lifting mechanism for a mahjong machine comprises a central lifting assembly and a bearing inner ring, wherein the central lifting assembly comprises a code disc, the code disc is provided with a limit piece, the bearing inner ring is provided with a plurality of limit grooves of different heights surrounding the circumference, the limit grooves of different heights can all cooperate with the limit piece, when the bearing inner ring is axially sleeved on the code disc, the limit piece is connected with one of the plurality of limit grooves of different heights, and the height of the bearing inner ring can be adjusted by cooperating the limit piece with the limit grooves of different heights.
[0006] With the foregoing technical solution, it can be seen that the central lifting assembly is responsible for the execution of the lifting action, and the inner ring of the bearing is the adjustment structure for the lifting height. Since the limiting grooves on the inner ring of the bearing have different heights, and these limiting grooves can all cooperate with the limiting members on the code disc to adjust the height of the lifting mechanism, enabling the mahjong machine to adapt to different types of mahjong, enhancing the applicability. By rotating or moving the inner ring of the bearing, the limiting grooves and the limiting members on the code disc are cooperated at different positions to achieve the adjustment of the height, and the operation method is simple and intuitive.
[0007] The limiting member has a supporting surface, and the limiting groove has a mating surface. The mating surfaces of the respective limiting grooves are at different heights, and the supporting surface abuts against the mating surface to support the inner ring of the bearing.
[0008] With the foregoing technical solution, it can be seen that when the inner ring of the bearing is axially sleeved on the code disc, the supporting surface of the limiting member will abut against the mating surface of one of the limiting grooves. Since the mating surfaces of the limiting grooves are at different heights, when the supporting surface of the limiting member abuts against the mating surfaces at different heights, the height of the inner ring of the bearing will change accordingly.
[0009] Furthermore, a plurality of the limiting members are provided, the supporting surfaces of the plurality of limiting members are at the same height, and the plurality of limiting members are evenly distributed along the circumferential portion of the code disc.
[0010] With the foregoing technical solution, it can be seen that by providing a plurality of limiting members and the supporting surfaces of the plurality of limiting members being at the same height, it can ensure that the position of the inner ring of the bearing on the code disc is more stable. The plurality of limiting members cooperate with the limiting grooves on the inner ring of the bearing to form a multi-point support structure, reducing the shaking. Since the plurality of limiting members are evenly distributed along the circumferential portion of the code disc, when they cooperate with the limiting grooves on the inner ring of the bearing, the force can be more evenly distributed. The evenly distributed force can reduce the concentrated force received at a single position, thereby reducing the wear and looseness of the mating part, and thus improving the firmness of the cooperation.
[0011] Furthermore, the code disc is provided with digital identifiers corresponding to the limiting grooves one by one.
[0012] With the foregoing technical solution, it can be seen that by setting the digital identifiers corresponding to each limiting groove one by one, the user can intuitively understand the specific card type configuration corresponding to each limiting groove. The intuitive identification method avoids the user setting errors caused by unfamiliarity or confusion of the different card types brought by the different heights of the limiting grooves. When adjusting the height of the lifting mechanism, the user can directly find the corresponding digital identifier according to the required card type configuration, and then cooperate the limiting groove on the inner ring of the bearing with the limiting member corresponding to the digital identifier, greatly improving the accuracy and efficiency of the adjustment.
[0013] Furthermore, an indicating portion corresponding to the digital identifier is provided on the inner ring of the bearing.
[0014] Adopting the foregoing technical solution, it can be seen that by providing an indicating portion corresponding to the digital identifier on the inner ring of the bearing, the user can easily and directly observe the digital identifier pointed to by the current indicating portion. This digital identifier represents the specific card type corresponding to the height adjusted by the central lifting mechanism of the current mahjong machine, that is, the height of the card type that should be applied currently. The user can quickly screen out the specific card type that should be used at this moment. The corresponding relationship between the indicating portion and the digital identifier ensures that the user can accurately find the required height position when adjusting the lifting mechanism, reducing the possibility of misoperation, making the operation of the mahjong machine more accurate, and avoiding card type errors or game interruptions caused by improper height settings.
[0015] Further, the limiting grooves of different heights are respectively formed into a plurality of uniform limiting groove units in a circumferential array around the axis of the inner ring of the bearing. Each limiting groove unit respectively includes one limiting groove of each of a variety of different heights, and a plurality of limiting members respectively correspond to the limiting grooves of the same height in the plurality of limiting groove units one by one.
[0016] Adopting the foregoing technical solution, it can be seen that by designing limiting grooves of a variety of different heights, the central lifting mechanism of the mahjong machine can be adjusted to a variety of different height positions, ensuring that the mahjong machine can adapt to card types of different sizes and different thicknesses, meeting the requirements of various mahjong games. By forming the limiting grooves of the same height into a plurality of uniform limiting groove units in a circumferential array around the axis of the inner ring of the bearing, each limiting groove unit includes one limiting groove of one height, and then combining a plurality of limiting members corresponding to the limiting grooves of the same height in the plurality of limiting groove units one by one, this design ensures that each card type can find the corresponding height position, thereby improving the accuracy of card type matching.
[0017] Further, the outer side of the inner ring of the bearing is wavy.
[0018] Adopting the foregoing technical solution, it can be seen that in the traditional design, the contact between the inner ring of the bearing and the lifting mechanism is usually surface contact, and the contact area between the two is relatively large, which will cause an increase in friction force, thereby increasing the energy consumption and wear of the lifting mechanism. By designing the outer side of the inner ring of the bearing to be wavy, the surface contact is changed to line contact, which means that the friction area is reduced, thereby reducing the friction force between the two. The reduced friction force not only reduces the energy consumption of the lifting mechanism but also extends the service life of the equipment. Although the wavy design reduces the contact area, it increases the number of contact points between the inner ring of the bearing and the lifting mechanism. The contact points are distributed on the peaks and valleys of the wave shape, forming a stable support structure, which helps to maintain the stability of the lifting mechanism and prevent shaking or tilting during the lifting process.
[0019] Further, a plurality of indicating portions are provided on the inner ring of the bearing, and the plurality of indicating portions respectively correspond to a plurality of limiting grooves of the same height.
[0020] With the foregoing technical solution, it can be known that the height adjustment structure of the center lifting mechanism of the mahjong machine is realized through the limit groove on the inner ring of the bearing. Each limit groove of a certain height corresponds to multiple card types. In order to more intuitively identify and select these card types, a plurality of indicating parts are provided. The indicating parts are used as marks and correspond to the limit grooves of the same height, so that users or devices can quickly identify and select the required card types.
[0021] Furthermore, the center lifting assembly further includes a shaft seat, the shaft seat is coaxially arranged with the code disc, and the shaft seat is detachably connected to the code disc.
[0022] With the foregoing technical solution, it can be known that the shaft seat and the code disc in the center lifting assembly adopt a detachable connection method, so that when maintenance or repair is required, it is not necessary to completely disassemble the entire center lifting mechanism or related components, thereby making the repair more convenient.
[0023] The beneficial effects of the present utility model are: (1) it can adapt to different card types; (2) it is convenient and simple to adjust the height to adapt to different card types. Description of the Drawings
[0024] Figure 1 is a schematic structural view of the present utility model;
[0025] Figure 2 is a schematic view of the assembly of the shaft seat and the inner ring of the bearing of the present utility model;
[0026] Figure 3 is a schematic view of the installation of the bottom plate and the support assembly of the present utility model;
[0027] Figure 4 is a front view of the support assembly of the present utility model;
[0028] Figure 5 is a schematic structural view of the support assembly of the present utility model;
[0029] Figure 6 is a schematic view of the groove of the support assembly of the present utility model.
[0030] In the figure: 1. Center lifting assembly; 11. Code disc; 111. Limiting part; 112. Digital identifier; 2. Inner ring of bearing; 21. Limit groove; 22. Indicating part; 3. Bottom plate; 31. Support wheel assembly; 311. Support wheel; 312. Support wheel seat; 313. Gear position. Detailed Embodiments
[0031] The following further describes the present utility model with reference to the drawings and specific embodiments.
[0032] As Figure 1As shown in the figure, a central lifting mechanism for a mahjong machine includes a central lifting assembly 1 and an inner bearing ring 2. The central lifting assembly 1 includes a code disk 11, and a limiting member 111 is provided on the code disk 11. The inner bearing ring 2 is provided with a plurality of limiting grooves 21 with different heights arranged around the circumference. All the limiting grooves 21 with different heights can cooperate with the limiting member 111. When the inner bearing ring 2 is sleeved on the code disk 11 along the axial direction, the limiting member 111 is cooperatively connected with one of the plurality of limiting grooves 21 with different heights.
[0033] It can be understood that the central lifting assembly 1 is responsible for the execution of the lifting action, while the inner bearing ring 2 is a lifting height adjustment structure. Since the limiting grooves 21 on the inner bearing ring 2 have different heights, and all these limiting grooves 21 can cooperate with the limiting member 111 on the code disk 11 to adjust the height of the lifting mechanism, enabling the mahjong machine to adapt to different types of mahjong, enhancing the applicability. By rotating or moving the inner bearing ring 2, the limiting grooves 21 cooperate with the limiting member 111 on the code disk 11 at different positions to achieve height adjustment, and the operation method is simple and intuitive.
[0034] Furthermore, the limiting member has a supporting surface, and a plurality of supporting surfaces are at the same height. The limiting groove has a mating surface, and the mating surfaces of each limiting groove are at different heights. The supporting surface abuts against the mating surface to support the inner bearing ring.
[0035] It can be understood that when the inner bearing ring is sleeved on the code disk along the axial direction, the supporting surface of the limiting member will abut against the mating surface of one of the limiting grooves. Since the mating surfaces of the limiting grooves are at different heights, when the supporting surface of the limiting member abuts against the mating surfaces at different heights, the height of the inner bearing ring will change accordingly.
[0036] Preferably, there are 4 limiting members 111, and the 4 limiting members 111 are evenly distributed along the circumference of the code disk 11, and the limiting members 111 are limiting columns.
[0037] It can be understood that by setting 4 limiting members 111, the position of the inner bearing ring 2 on the code disk 11 can be ensured to be more stable. The 4 limiting members 111 cooperate with the limiting grooves 21 on the inner bearing ring 2 to form a multi-point support structure, reducing the shaking. Since the 4 limiting members 111 are evenly distributed along the circumference of the code disk 11, when they cooperate with the limiting grooves 21 on the inner bearing ring 2, the force can be more evenly distributed. The evenly distributed force can reduce the concentrated force received at a single position, thereby reducing the wear and looseness of the mating parts, and thus improving the firmness of the cooperation.
[0038] Preferably, the limiting groove 21 has four different heights. The limiting grooves 21 of the same height are respectively formed into 4 uniform limiting groove 21 units in a circumferential array around the axis of the inner ring 2 of the bearing. Each limiting groove 21 unit respectively includes one limiting groove 21 of each of the four different heights. The four limiting members 111 respectively correspond to the limiting grooves 21 of the same height in the four limiting groove 21 units.
[0039] It can be understood that the limiting grooves 21 are uniformly distributed along the inner ring 2 of the bearing. The limiting grooves 21 include four different heights. Every four limiting grooves 21 of different heights form a limiting groove 21 unit. There are 4 groups of such limiting groove 21 units provided in the inner ring 2 of the bearing, which are equally divided by 90°. Therefore, it can be known that there are 4 limiting grooves 21 of the same height on the inner ring 2 of the bearing and they are evenly distributed, with a total of 16 limiting grooves 21 provided. The 4 limiting members 111 respectively correspond to 4 limiting grooves 21 of the same height to screen out 4 card types.
[0040] It can be understood that by designing the limiting grooves 21 with four different heights, the central lifting mechanism of the mahjong machine can be adjusted to four different height positions, ensuring that the mahjong machine can adapt to card types of different sizes and different thicknesses and meet the requirements of various mahjong games. By forming the limiting grooves 21 of the same height into 4 uniform limiting groove 21 units in a circumferential array around the axis of the inner ring 2 of the bearing, each limiting groove 21 unit includes one limiting groove 21 of one height, and then combining the 4 limiting members 111 corresponding to the limiting grooves 21 of the same height in the 4 limiting groove 21 units one by one, this design ensures that each card type can find the corresponding height position, thereby improving the accuracy of card type matching.
[0041] Preferably, the card disk 11 is provided with digital identifiers 112 corresponding to the limiting grooves 21 one by one.
[0042] Furthermore, there are 16 digital identifiers 112 in total, and each digital identifier represents a different card type.
[0043] As can be seen from the above, the 16 limiting grooves 21 correspond to the 16 digital identifiers 112 one by one. Users can intuitively understand the specific card type configuration corresponding to each limiting groove 21. The intuitive identification method avoids setting errors caused by users being unfamiliar with or confusing the different card types brought by the different heights of the limiting grooves 21. When adjusting the height of the lifting mechanism, users can directly find the corresponding digital identifier 112 according to the required card type configuration, and then match the limiting groove 21 on the inner ring 2 of the bearing with the limiting member 111 corresponding to this digital identifier 112, which greatly improves the accuracy and efficiency of the adjustment.
[0044] Preferably, an indicating portion 22 corresponding to the digital identifier 112 is provided on the inner ring 2 of the bearing.
[0045] Preferably, the indicating part 22 is an arrow mark.
[0046] It can be understood that by providing the indicating part 22 corresponding to the digital mark 112 on the inner ring 2 of the bearing, the user can easily and directly observe the digital mark 112 pointed to by the current indicating part 22. This digital mark 112 represents the specific card type corresponding to the height adjusted by the central lifting mechanism of the current mahjong machine, that is, the height of the card type that should be applied currently. The user can quickly screen out the specific card type that should be used at this moment. The corresponding relationship between the indicating part 22 and the digital mark 112 ensures that the user can accurately find the required height position when adjusting the lifting mechanism, reduces the possibility of misoperation, makes the operation of the mahjong machine more accurate, and avoids card type errors or game interruptions caused by improper height settings.
[0047] Preferably, there are 4 indicating parts 22 provided on the inner ring 2 of the bearing, and the 4 indicating parts 22 respectively correspond to 4 limiting grooves 21 at the same height.
[0048] It can be understood that the height adjustment structure of the central lifting mechanism of the mahjong machine is realized through the limiting grooves 21 on the inner ring 2 of the bearing. Each limiting groove 21 at a certain height corresponds to multiple card types. In order to more intuitively identify and select these card types, multiple indicating parts 22 are provided. The indicating parts 22 are used as marks and correspond to the limiting grooves 21 at the same height, enabling the user or the device to quickly identify and select the required card type.
[0049] As can be seen from the above, 4 different mahjong card types can be screened out through the cooperation of the limiting groove 21 and the limiting post.
[0050] Further referring to Figures 3 to 6 , the central lifting shaft seat and the supporting wheel assembly 31 are fixed on the bottom plate 3. The supporting wheel assembly 31 includes a supporting wheel 311 and a supporting wheel seat 312. The upper end surface of the supporting wheel 311 is matched with the lower bottom surface of the shuffling tray. The lower end surface of the middle part of the shuffling tray is matched with the upper end surface of the inner ring 2 of the bearing. There are 4 grooves with different heights on the supporting wheel seat to distinguish partial gears 313. The 4 grooves with different heights of the gears 313 cooperate with 4 steps with the same height screened out by the limiting grooves 21 on the outer ring of the bearing to meet the requirement of screening out one card type. In this way, 16 corresponding card types are intuitively reflected through this cooperation method, as shown in Table 1.
[0051]
[0052] Table 1
[0053] Preferably, the outer side of the inner ring 2 of the bearing is wavy.
[0054] It can be understood that in traditional designs, the contact between the inner ring 2 of the bearing and the lifting mechanism is usually surface contact. The contact area between the two is relatively large, which will lead to an increase in friction force, thereby increasing the energy consumption and wear of the lifting mechanism. By designing the outer side of the inner ring 2 of the bearing into a wavy shape, the surface contact is changed into line contact, which means that the friction area is reduced, thus reducing the friction force between the two. The reduced friction force not only reduces the energy consumption of the lifting mechanism but also extends the service life of the equipment. Although the wavy design reduces the contact area, it increases the number of contact points between the inner ring 2 of the bearing and the lifting mechanism. The contact points are distributed on the peaks and valleys of the wavy shape, forming a stable support structure, which helps to maintain the stability of the lifting mechanism and prevent shaking or tilting during the lifting process.
[0055] Preferably, the inner ring 2 of the bearing is made of plastic.
[0056] Further, the central lifting assembly 1 further includes a shaft seat, the shaft seat is coaxially arranged with the code disc 11, and the shaft seat is detachably connected to the code disc 11.
[0057] Preferably, the shaft seat and the code disc 11 are connected by bolts.
[0058] It can be understood that the shaft seat and the code disc 11 in the central lifting assembly 1 adopt a detachable connection method, so that when maintenance or repair is required, it is not necessary to completely disassemble the entire central lifting mechanism or related components, thus making the repair more convenient.
Claims
1. A central lifting mechanism for a mahjong machine, characterized in that: It includes a central lifting component and a bearing inner ring, the central lifting component includes a code disk, the code disk is provided with a limit piece, the bearing inner ring is provided with a plurality of limit grooves of different heights around the circumference, the limit grooves of different heights can all cooperate with the limit piece, when the bearing inner ring is axially sleeved on the code disk, the limit piece is matched and connected with one of the plurality of limit grooves of different heights, and the height of the bearing inner ring can be adjusted by making the limit piece cooperate with the limit grooves of different heights.
2. A central lifting mechanism for a mahjong machine according to claim 1, characterized in that: The limiting member has a supporting surface, the limiting groove has a matching surface, the matching surfaces of the limiting grooves are at different heights, and the supporting surface abuts against the matching surface to support the inner ring of the bearing.
3. A central lifting mechanism for a mahjong machine according to claim 2, characterized in that: There are multiple limit members, the support surfaces of the multiple limit members are at the same height, and the multiple limit members are evenly distributed along the periphery of the code disk.
4. A central lifting mechanism for a mahjong machine according to claim 1, characterized in that: The code disk is provided with digital identifications corresponding one to one with the limit grooves.
5. A central lifting mechanism for a mahjong machine according to claim 4, characterized in that: The inner ring of the bearing is provided with an indication portion corresponding to the digital identification.
6. The central lifting mechanism for a mahjong machine according to claim 1, characterized in that: The limit grooves of different heights are arranged in a circular array around the axis of the inner ring of the bearing to form a plurality of uniform limit groove units, each limit groove unit includes one limit groove of each of the plurality of different heights, and the plurality of limit members correspond one-to-one to the limit grooves of the same height in the plurality of limit groove units.
7. The central lifting mechanism for a mahjong machine according to claim 1, characterized in that: The outer side of the bearing inner ring is wave-shaped.
8. The central lifting mechanism for a mahjong machine according to claim 7, characterized in that: The bearing inner ring is provided with a plurality of indicating parts, and the plurality of indicating parts respectively correspond to a plurality of limiting grooves of the same height.
9. The central lifting mechanism for a mahjong machine according to claim 1, characterized in that: The central lifting assembly also includes an axle seat, which is coaxially arranged with the code disc, and the axle seat and the code disc are detachably connected.