Mahjong machine and large plate structure thereof

By independently controlling the speed and direction of rotation of the outer and inner shuffling discs, the problem of the loose structure of the large disc in the mahjong machine is solved, achieving a compact mahjong machine design that can adapt to mahjong tiles of different sizes.

CN223887384UActive Publication Date: 2026-02-10ZHEJIANG CHAOSHENG ELECTROMECHANICAL TECH CO LTD
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Patent Information

Application Number
CN202423171676.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2026-02-10
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

The existing mahjong machine's shuffling tray has a loose structure, occupies a large area, and is difficult to adapt to mahjong tiles of different sizes.

Method used

The machine uses independently set speed and direction of rotation for the outer and inner shuffling discs. The motors for the inner and outer discs are installed below the base plate and are independently controlled through gear transmission, reducing the circumferential dimensions of the mahjong machine.

Benefits of technology

This design achieves a compact structure for the mahjong machine, accommodating mahjong tiles of various sizes and reducing the overall space occupied by the machine.

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Abstract

The utility model discloses a mahjong machine and its big disc structure, including bottom plate, shuffling inner disc and shuffling outer disc, shuffling outer disc and shuffling inner disc are both rotatingly installed on the bottom plate, shuffling inner disc is arranged on the inner side of shuffling outer disc, shuffling inner disc and shuffling outer disc can rotate relative to each other; a first inner gear ring protruding downwards is arranged at the bottom of the inner shuffling disc, a second inner gear ring protrudes at the bottom of the outer shuffling disc, and the first inner gear ring is located on the inner side of the second inner gear ring. The inner disc motor and the outer disc motor are both installed on the bottom plate, an output shaft of the inner disc motor is in meshing transmission with the first inner gear ring through a gear, and an output shaft of the outer disc motor is in meshing transmission with the second inner gear ring through a gear. Due to the arrangement, the shuffling outer disc can rotate clockwise or anticlockwise according to different mahjong structures of the mahjong machine, and the shuffling inner disc can rotate clockwise or anticlockwise according to requirements, so that the rotating speeds and the rotating directions of the shuffling outer disc and the shuffling inner disc can be independently set.
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Description

Technical Field

[0001] This utility model relates to the field of mahjong machines, and in particular to a mahjong machine and its large-disc structure. Background Technology

[0002] The prior art disclosed in announcement number CN209490462U is a mahjong machine and its shuffling plate, including an inner shuffling plate and an outer shuffling plate. The inner and outer shuffling plates are driven to rotate in the same direction by an inner drive motor and an outer drive motor, respectively. The outer shuffling plate is annular and has teeth on its outer circumference. The teeth on the outer circumference of the outer shuffling plate mesh with an outer drive gear, which is driven to rotate by an outer drive motor. The rotation of the outer drive gear drives the outer shuffling plate to rotate. The inner shuffling plate is conical, and a circular connecting edge extends downward from the bottom of the inner shuffling plate. The connecting edge has teeth, which mesh with the inner drive gear. The inner drive gear is driven to rotate by an inner drive motor, which drives the inner shuffling plate to rotate. The rotation axes of the connecting edge, the inner shuffling plate, and the outer shuffling plate coincide.

[0003] In the existing technology, the external drive motor is located at the edge of the outer shuffling plate, which results in the shuffling plate requiring a larger area and a looser structure. Utility Model Content

[0004] To address the problem of large size and loose structure of the shuffling disc in existing technologies, the purpose of this utility model is to provide a mahjong machine and its disc structure, in which the rotation speed and direction of the outer and inner shuffling discs can be set independently, and the circumferential dimensions of the mahjong machine can be reduced, making the disc structure of the mahjong machine more compact.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a large disk structure for a mahjong machine, comprising a base plate, an inner shuffling disk, and an outer shuffling disk. Both the outer and inner shuffling disks are rotatably mounted on the base plate. The inner shuffling disk is located inside the outer shuffling disk, and the inner and outer shuffling disks can rotate relative to each other. The bottom of the inner shuffling disk has a downwardly protruding first internal gear ring, and the bottom of the outer shuffling disk has a protruding second internal gear ring. The first internal gear ring is located inside the second internal gear ring. Both the inner and outer disk motors are mounted on the base plate. The output shaft of the inner disk motor is driven by meshing with the first internal gear ring through a gear, and the output shaft of the outer disk motor is driven by meshing with the second internal gear ring through a gear.

[0006] Preferably, the bottom of the inner shuffling disc has a first limiting part and a second limiting part protruding, the first internal gear ring is located inside the second limiting part, and the second limiting part is located inside the first limiting part; the outer shuffling disc is provided with an annular first limiting groove with an upward opening, and a third limiting part protrudes from the bottom wall of the first limiting groove; the first limiting part and the second limiting part are inserted into the first limiting groove, and the third limiting part is located between the first limiting part and the second limiting part.

[0007] Preferably, a spacer is provided in the first limiting groove, and the spacer is located between the inner shuffling plate and the outer shuffling plate.

[0008] Preferably, the spacer includes multiple splicing plates, each splicing plate having a locking protrusion, and the inner wall of the first limiting groove having a locking groove; the locking protrusion and the locking groove engage to fix the splicing plate in the first limiting groove.

[0009] Preferably, a plurality of second mounting seats are fixed on the base plate. The plurality of second mounting seats are evenly arranged around the axis of the outer shuffling plate. A first roller is rotatably mounted on the second mounting seat, and the outer shuffling plate presses on the first roller.

[0010] Preferably, a plurality of third mounting seats are fixed on the base plate. The plurality of third mounting seats are evenly arranged around the axis of the outer shuffling plate. A second roller is rotatably mounted on the third mounting seat. The outer shuffling plate presses on the second roller. The second roller is located below the first limiting groove of the outer plate of the base plate.

[0011] Preferably, the bottom of the outer shuffling disc is provided with a second limiting groove, which is located below the first limiting groove, and the second roller is inserted into the second limiting groove.

[0012] Preferably, a first gear is fixed on the output shaft of the inner disc motor, and the first gear meshes with the first internal gear ring; a second gear is fixed on the output shaft of the outer disc motor, and a third gear is rotatably mounted on the base plate, with the second gear and the third gear meshing, and the third gear meshing with the second internal gear ring.

[0013] Preferably, a first mounting base is fixed on the base plate, and the shuffling inner plate is fitted and rotatably mounted on the first mounting base; the top of the first mounting base extends from the center of the shuffling inner plate, and the card scraper is fixed to the top of the first mounting base.

[0014] A mahjong machine, comprising the aforementioned mahjong machine tray structure.

[0015] The beneficial effects of this utility model are as follows: When the mahjong machine is working, the rotation direction of the outer shuffling disc can be set to clockwise or counterclockwise depending on the different tile structure of the mahjong machine. The inner shuffling disc can also be set to clockwise or counterclockwise as needed. In this way, the rotation speed and rotation direction of the outer and inner shuffling discs can be set independently, thereby making the large shuffling disc adaptable to mahjong tiles and mahjong machines of various specifications. In the above solution, the motors used to drive the outer and inner shuffling discs are located below the base plate, which can reduce the circumferential dimensions of the mahjong machine and make the large shuffling disc structure of the mahjong machine more compact. Attached Figure Description

[0016] Figure 1 Schematic diagram of the connection structure of the card scratcher, inner shuffling disc, and outer shuffling disc. Figure 1 ;

[0017] Figure 2 Schematic diagram of the connection structure of the card scratcher, inner shuffling disc, and outer shuffling disc. Figure 2 ;

[0018] Figure 3 Schematic diagram of the connection structure of the card scratcher, inner shuffling disc, and outer shuffling disc. Figure 3 ;

[0019] Figure 4 A schematic diagram showing the connection structure of the base plate, card scraper, inner shuffling plate, and outer shuffling plate;

[0020] Figure 5 for Figure 4 Enlarged view of point A in the middle;

[0021] Figure 6 This is a schematic diagram of the inner shuffling disc.

[0022] Figure 7 An exploded view of the base plate, card scraper, inner shuffle plate, and outer shuffle plate.

[0023] Reference numerals: 1. Base plate; 2. Shuffling inner plate; 21. First internal gear ring; 22. First limiting part; 23. Second limiting part; 24. First shuffling protrusion; 3. Shuffling outer plate; 31. First limiting groove; 32. Third limiting part; 33. Second shuffling protrusion; 34. Blocking part; 35. Second internal gear ring; 4. Spacer ring; 41. Splicing plate; 42. Locking protrusion; 5. Second mounting base; 51. First roller; 6. Third mounting base; 61. Second roller; 7. Scraper; 8. Inner plate motor; 81. First gear; 9. Outer plate motor; 91. Second gear; 92. Third gear; 10. First mounting base. Detailed Implementation

[0024] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0025] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more, unless otherwise expressly defined.

[0027] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0028] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature. Example

[0029] like Figures 1 to 7 The structure of a mahjong machine tray shown includes a base plate 1, an inner shuffling tray 2 and an outer shuffling tray 3. Both the outer shuffling tray 3 and the inner shuffling tray 2 are rotatably mounted on the base plate 1. The inner shuffling tray 2 is located inside the outer shuffling tray 3. The inner shuffling tray 2 and the outer shuffling tray 3 can rotate relative to each other.

[0030] The bottom of the inner shuffling disc 2 is provided with a first internal toothed ring 21 that protrudes downwards, and the bottom of the outer shuffling disc 3 is provided with a second internal toothed ring 35. The first internal toothed ring 21 is located inside the second internal toothed ring 35.

[0031] Both the inner disc motor 8 and the outer disc motor 9 are mounted on the base plate 1. Both the inner disc motor 8 and the outer disc motor 9 are located below the inner disc 2 of the shuffling. The output shaft of the inner disc motor 8 is driven by the first internal gear ring 21 through a gear, and the output shaft of the outer disc motor 9 is driven by the second internal gear ring 35 through a gear.

[0032] With this configuration, when the mahjong machine is working, the outer shuffling disc can rotate clockwise or counterclockwise depending on the structure of the tiles on the machine, and the inner shuffling disc can also be set to rotate clockwise or counterclockwise as needed. The rotation speed and direction of both the outer and inner shuffling discs can be set independently, allowing the shuffling disc to be adapted to various sizes of mahjong tiles and mahjong machines. In the above scheme, the motor is located below the shuffling disc, which reduces the circumferential dimensions of the mahjong machine and makes the structure of the mahjong machine's large disc more compact.

[0033] In this embodiment, the output shafts of the inner disc motor 8 and the outer disc motor 9 pass through the base plate 1 from bottom to top. In other embodiments, the chassis has a groove, and the inner disc motor and the outer disc motor 9 are installed in the groove of the chassis.

[0034] In this embodiment, as Figure 2 , Figure 3 , Figure 6 and Figure 7 As shown, a first mounting base 10 is fixed on the base plate 1, and the inner shuffling plate 2 is fitted and rotatably mounted on the first mounting base 10; the bottom of the inner shuffling plate 2 has a first limiting part 22 and a second limiting part 23 protruding, the first internal gear ring 21 is located inside the second limiting part 23, and the second limiting part 23 is located inside the first limiting part 22; the outer shuffling plate 3 is provided with an annular first limiting groove 31 with an upward opening, and a third limiting part 32 protrudes from the bottom wall of the first limiting groove 31; the first limiting part 22 and the second limiting part 23 are inserted into the first limiting groove 31, and the third limiting part 32 is located between the first limiting part 22 and the second limiting part 23.

[0035] This setup effectively limits the relative positions of the inner and outer shuffle disks, and the inner shuffle disk being positioned on the outer shuffle disk allows for better shuffling operations.

[0036] Further preferred, such as Figure 6 and Figure 7As shown, a spacer 4 is provided in the first limiting groove 31, and the spacer 4 is located between the inner shuffling plate 2 and the outer shuffling plate 3. Further, the spacer 4 includes multiple splicing plates 41, and the splicing plates 41 are provided with locking protrusions 42. The inner wall of the first limiting groove 31 is provided with locking grooves; the locking protrusions 42 engage with the locking grooves to fix the splicing plates 41 in the first limiting groove 31.

[0037] In this embodiment, as Figures 5 to 7 As shown, multiple second mounting seats 5 are fixed on the base plate 1, and these seats are evenly arranged around the axis of the shuffling outer plate 3. A first roller 51 is rotatably mounted on each second mounting seat 5, and the shuffling outer plate 3 presses against the first roller 51. Furthermore, multiple third mounting seats 6 are fixed on the base plate 1, and these seats are evenly arranged around the axis of the shuffling outer plate 3. A second roller 61 is rotatably mounted on each third mounting seat 6, and the shuffling outer plate 3 presses against the second roller 61. The second roller 61 is located below the first limiting groove 31 of the outer plate 3. This arrangement makes the movement and support of the shuffling outer plate more stable.

[0038] Further preferred, such as Figure 5 As shown, a second limiting groove is provided at the bottom of the outer shuffling plate 3, which is located below the first limiting groove 31, and the second roller 61 is inserted into the second limiting groove. This configuration can further improve the stability of the movement of the outer shuffling plate.

[0039] In this embodiment, as Figure 2 , Figure 3 and Figure 7 As shown, a first gear 81 is fixed on the output shaft of the inner disc motor 8, and the first gear 81 meshes with the first internal gear ring 21; a second gear 91 is fixed on the output shaft of the outer disc motor 9, and a third gear 92 is rotatably mounted on the base plate 1. The second gear 91 and the third gear 92 mesh, and the third gear 92 meshes with the second internal gear ring 35.

[0040] In this embodiment, the top surface of the inner shuffling plate 2 is conical, and the top surface of the outer shuffling plate 3 includes a first plane, a transition surface, and a second plane. The first plane and the second plane are connected by an inclined transition surface, and the first limiting groove 31 is disposed on the first plane.

[0041] In this embodiment, as Figure 1 and Figure 7 As shown, the top surface of the inner shuffling plate 2 has a plurality of first shuffling protrusions 24, which are evenly arranged around the axis of the inner shuffling plate 2; the top surface of the outer shuffling plate 3 has a plurality of second shuffling protrusions 33, which are evenly arranged around the axis of the inner shuffling plate 2; and the edge of the outer shuffling plate 3 has an upward protrusion of a blocking part 34.

[0042] In this embodiment, the top of the first mounting base 10 extends from the center of the inner shuffling plate 2, and the card scraper 7 is fixed to the top of the first mounting base 10.

[0043] A mahjong machine, comprising the aforementioned large-disc structure.

[0044] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0045] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention without departing from the principles and spirit of the present invention.

Claims

1. A mahjong machine large plate structure, comprising a base plate (1), an inner shuffling plate (2), and an outer shuffling plate (3), wherein both the outer shuffling plate (3) and the inner shuffling plate (2) are rotatably mounted above the base plate (1), the inner shuffling plate (2) is disposed inside the outer shuffling plate (3), and the inner shuffling plate (2) and the outer shuffling plate (3) are capable of relative rotation; characterized in that: The bottom of the inner shuffling disc (2) is provided with a first internal gear ring (21) that protrudes downwards, and the bottom of the outer shuffling disc (3) is provided with a second internal gear ring (35). The first internal gear ring (21) is located inside the second internal gear ring (35). The inner disc motor (8) and the outer disc motor (9) are both mounted on the base plate (1). The inner disc motor (8) and the outer disc motor (9) are located below the inner shuffling disc (2). The output shaft of the inner disc motor (8) is driven by meshing with the first internal gear ring (21) through gears, and the output shaft of the outer disc motor (9) is driven by meshing with the second internal gear ring (35) through gears.

2. The mahjong machine large tray structure according to claim 1, characterized in that: The bottom of the shuffling inner plate (2) has a first limiting part (22) and a second limiting part (23). The first internal gear ring (21) is located inside the second limiting part (23), and the second limiting part (23) is located inside the first limiting part (22). The outer shuffle plate (3) is provided with an annular first limiting groove (31) with an upward opening. A third limiting part (32) protrudes from the bottom wall of the first limiting groove (31). The first limiting part (22) and the second limiting part (23) are inserted into the first limiting groove (31), and the third limiting part (32) is located between the first limiting part (22) and the second limiting part (23).

3. The mahjong machine large tray structure according to claim 2, characterized in that: A spacer (4) is provided in the first limiting groove (31), and the spacer (4) is located between the inner shuffle plate (2) and the outer shuffle plate (3).

4. The mahjong machine large tray structure according to claim 3, characterized in that: The spacer (4) includes multiple splicing plates (41), and the splicing plates (41) are provided with a locking protrusion (42). The inner wall of the first limiting groove (31) is provided with a locking groove. The locking protrusion (42) and the locking groove engage to fix the splicing plate (41) in the first limiting groove (31).

5. The mahjong machine large tray structure according to claim 2, characterized in that: Multiple second mounting seats (5) are fixed on the base plate (1). The multiple second mounting seats (5) are evenly arranged around the axis of the shuffling outer plate (3). A first roller (51) is rotatably mounted on the second mounting seat (5). The shuffling outer plate (3) is pressed on the first roller (51).

6. The mahjong machine large tray structure according to claim 2, characterized in that: Multiple third mounting seats (6) are fixed on the base plate (1). The multiple third mounting seats (6) are evenly arranged around the axis of the shuffling outer plate (3). A second roller (61) is rotatably mounted on the third mounting seat (6). The shuffling outer plate (3) is pressed on the second roller (61). The second roller (61) is located below the first limiting groove (31) of the base plate outer plate (3).

7. The mahjong machine large tray structure according to claim 6, characterized in that: The bottom of the shuffling outer plate (3) is provided with a second limiting groove, which is located below the first limiting groove (31), and the second roller (61) is inserted into the second limiting groove.

8. The mahjong machine large tray structure according to claim 1, characterized in that: The output shaft of the inner disc motor (8) is fixed with a first gear (81), which meshes with the first internal gear ring (21); A second gear (91) is fixed on the output shaft of the outer disc motor (9), and a third gear (92) is rotatably mounted on the base plate (1). The second gear (91) and the third gear (92) mesh, and the third gear (92) meshes with the second internal gear ring (35).

9. The large-pan structure of a mahjong machine according to claim 1, characterized in that: A first mounting base (10) is fixed on the base plate (1), and the shuffling inner plate (2) is fitted and rotated on the first mounting base (10); the top of the first mounting base (10) extends from the center of the shuffling inner plate (2), and the card scraper (7) is fixed on the top of the first mounting base (10).

10. A mahjong machine, characterized in that: The mahjong machine large panel structure includes any one of claims 1-9.

Citation Information

Patent Citations

  • Mahjong machine and shuffling large plate thereof

    CN209490462U