CN212854604U

CN212854604U - Mahjong machine large-disc variable speed driving device

Info

Publication number: CN212854604U
Application number: CN202021593754.XU
Authority: CN
Inventors: 方勇
Original assignee: Individual
Current assignee: Xu Jianguo
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-04-02
Anticipated expiration: 2030-08-04

Abstract

The utility model relates to the technical field of mahjong machines, in particular to a mahjong machine large-plate variable speed driving device, which comprises a driving motor, wherein an output shaft of the driving motor is fixed with an input gear and is also sleeved with a first output gear, the first output gear is provided with a one-way bearing, and the driving motor drives the first output gear to rotate in one way; still include the gear shaft, be fixed with increasing gear on the gear shaft, still the cover is equipped with second output gear, second output gear has one-way bearing, the gear shaft drive the one-way rotation of second output gear, input gear with increasing gear meshes. The utility model has the advantages that adopt dual output gear and one-way bearing combination mode to realize the variable speed output, the cooperation is shuffled the big dish and has been realized the big dish variable speed, has better controlled the production of mahjong machine noise.

Description

Mahjong machine large-disc variable speed driving device

Technical Field

The utility model relates to a mahjong machine technical field, especially a mahjong machine deep bid variable speed drive.

Background

The mahjong has wide players in China and the world, is a popular entertainment tool, and the mahjong machine capable of automatically shuffling and stacking mahjong is popular, along with the improvement of living standard, the household mahjong machine gradually enters thousands of households, for the household mahjong machine, the most important thing is to ensure silence, the existing silent mahjong machine mainly buffers the collision of mahjong tiles on a shuffling cylinder by sticking a thicker lining material in the shuffling cylinder, and simultaneously absorbs the noise in the shuffling cylinder; or reduce the speed of operation of the various components, such as the shuffling platter, so that the speed of impact of the mahjong with the components during shuffling is reduced, thereby reducing noise. However, the former addresses the symptoms and does not address the root cause, and the latter affects the shuffling rate.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a mahjong machine large-plate variable speed driving device.

The purpose of the utility model is realized through the following technical scheme: a big-disk variable-speed driving device of a mahjong machine comprises a driving motor, wherein an input gear is fixed on an output shaft of the driving motor, and a first output gear is sleeved on the output shaft of the driving motor;

the gear shaft is fixed with an accelerating gear and is also sleeved with a second output gear, the gear shaft drives the second output gear to rotate in a single direction, and the input gear is meshed with the accelerating gear.

Specifically, the first output gear is connected with an output shaft of the driving motor through a first one-way bearing, and the second output gear is connected with the gear shaft through a second one-way bearing.

The gear shaft is rotatably connected with the gear shaft seat.

Specifically, the direction in which the driving motor drives the first output gear to rotate in a single direction is the same as the direction in which the gear shaft drives the second output gear to rotate in a single direction.

Specifically, the transmission ratio of the input gear to the speed increasing gear is less than 1.

Specifically, the first output gear and the second output gear are both meshed with a gear ring at the bottom of a shuffling large plate of the mahjong machine.

The utility model has the advantages of it is following: the utility model discloses well driving motor connects a first output gear through first one-way bearing, and the gear shaft passes through the one-way bearing of second and connects second output gear simultaneously, adopts gear and one-way bearing combination mode to realize the variable speed output, and the switching of output is realized to two one-way bearings, and two output gears then through realizing independent work with the cooperation of one-way bearing, and the cooperation is shuffled the deep bid and has been realized the variable speed control, corresponds the different stages of shuffling, can better control the production of mahjong machine noise.

2. The utility model discloses a variable speed actuating mechanism can shuffle the initial stage and adopt low-speed output, because its output gear is littleer than traditional driving motor's output gear, the cooperation shuffles the ring gear of big dish bottom, just can obtain bigger reduction ratio, and so, the power of motor just can be smaller, and arrived and shuffled middle and later stage, after mahjong tiles become few along with shuffling, big dish load diminishes, even if the driving motor of less power also can normally drive the big dish of shuffling, just so can practice thrift big dish driving motor's cost.

Drawings

FIG. 1 is a schematic view of the shuffling mechanism of a mahjong machine;

FIG. 2 is a schematic view A of the position relationship of the variable speed drive of the present invention in the shuffling mechanism;

FIG. 3 is a schematic view B of the position relationship of the variable speed drive of the present invention in the shuffling mechanism;

fig. 4 is a schematic view of the overall structure of the variable speed drive of the present invention;

fig. 5 is an exploded view of the variable speed drive of the present invention;

FIG. 6 is a schematic view of the variable speed drive of the present invention in cooperation with a shuffling platter;

FIG. 7 is a detailed view of the engagement between the variable speed drive and the shuffle platter of the present invention;

in the figure: 1-a central shaft seat, 2-a poker bar shifting mechanism, 3-a large poker shuffling disc, 4-a large iron plate, 5-a variable speed driving device, 501 and a driving motor; 502. an input gear; 503. a first output gear; 504. a gear shaft seat; 505. a gear shaft; 506. a speed increasing gear; 507. a second output gear; 508. a second one-way bearing; 509. a first one-way bearing.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

As shown in fig. 1 to 7, the large-disk variable-speed driving device of a mahjong machine comprises a driving motor 501, an input gear 502 is fixed on an output shaft of the driving motor 501, a first output gear 503 is further sleeved on the output shaft of the driving motor 501, the first output gear 503 is provided with a first one-way bearing 509, wherein the driving motor 501 drives the first output gear 503 to rotate in one way; the gear shaft 505 is fixedly provided with an accelerating gear 506, a second output gear 507 is further sleeved on the gear shaft 505, the second output gear 507 is provided with a second one-way bearing 508, the gear shaft 505 drives the second output gear 507 to rotate in a one-way mode, the input gear 502 is meshed with the accelerating gear 506, the driving motor 501 drives the first output gear 503 to rotate in a one-way mode, the direction of the one-way rotation of the first output gear 503 is the same as the direction of the one-way rotation of the second output gear 507 driven by the gear shaft 505, and the transmission ratio of the input gear 502 to the accelerating gear 506 is smaller than 1. At the initial shuffling stage, the mahjong tiles on the shuffling large plate 3 of the mahjong machine are more and crowded, and the four-side grabbing and conveying mechanism of the mahjong machine is not easy to grab empty, so that the rotating speed of the shuffling large plate 3 can be reduced, and the collision noise of the mahjong tiles generated at high speed is reduced under the condition of not influencing the shuffling efficiency; in the middle and later stages of shuffling, the mahjong tiles are gradually reduced along with the shuffling, the grabbing and conveying mechanism is easy to catch the mahjong tiles, at the moment, the rotating speed of the shuffling large disk 3 needs to be increased, the mahjong tiles pass through the grabbing and conveying mechanism at high frequency for grabbing the mahjong tiles, at the moment, the number of the mahjong tiles is small, even if the speed is increased, too large noise cannot be generated, and the shuffling efficiency is improved. The speed-up gear 506 is also fixedly connected with the gear shaft 505, then the speed-up gear 506 rotates to drive the gear shaft 505 to rotate reversely, at the moment, the gear shaft 505 idles with a second output gear 507 arranged on the gear shaft 505, and the gear shaft 505 cannot drive the second output gear 507 to rotate along with the gear shaft 505; thus, the first output gear 503 drives the big shuffling disk to rotate at low speed for shuffling; in the middle shuffling stage, the driving motor 501 rotates reversely to drive the speed increasing gear 506 to rotate forwardly, because the transmission ratio of the input gear 502 to the speed increasing gear 506 is smaller than 1, the driving motor 501 rotates reversely to drive the speed increasing gear 506 to rotate and accelerate, at the moment, the gear shaft 505 rotates forwardly to drive the second output gear 507 to rotate, the second output gear 507 drives the large shuffling tray 3 to rotate at high speed to shuffle, the output shaft of the driving motor 501 rotates reversely, and at the moment, the output shaft of the driving motor 501 idles with the first output gear 503; when the driving motor 501 rotates forwards, the output shaft of the driving motor 501 transmits power to the first output gear 503 to be used as a sole power source to drive the large shuffling tray 3 to shuffle cards at a low speed, and when the driving motor 501 rotates backwards, the power is transmitted to the second output gear 507 to be used as a sole power source to drive the large shuffling tray 3 to shuffle cards at a high speed, so that the control of the low-speed rotation and the high-speed rotation of the large shuffling tray 3 can be realized only by the forward and reverse rotation of the driving motor 501.

Further, the first output gear 503 is connected to the output shaft of the driving motor 501 through a first one-way bearing 509, and the second output gear 507 is connected to the gear shaft 505 through a second one-way bearing 508. In the scheme, the rotation directions of the first output gear 503 and the second output gear 507 are limited through the first one-way bearing 509 and the second one-way bearing 508, the first one-way bearing 509 is sleeved on an output shaft of the driving motor 501, then the first output gear 503 is sleeved on the first one-way bearing 509, when the driving motor 501 rotates forwards, the first one-way bearing 509 and the output shaft of the driving motor 501 are locked, so that the driving motor 501 rotates forwards to drive the first output gear 503 to rotate, and when the driving motor 501 rotates backwards, the driving motor idles; the second one-way bearing 508 is sleeved on the gear shaft 505, then the second output gear 507 is sleeved on the second one-way bearing 508, when the driving motor 501 drives the gear shaft 505 to rotate reversely, the second output gear 507 idles, and when the driving motor 501 drives the gear shaft 505 to rotate forwardly, the second one-way bearing 508 is locked with the gear shaft 505, and the gear shaft 505 can drive the second output gear 507 to rotate.

The mahjong machine also comprises a gear shaft seat 504, the gear shaft 505 is rotatably connected with the gear shaft seat 504, the driving motor 501 is fixed on the back of the large iron plate 4 of the mahjong machine through a corresponding motor support, and the gear shaft seat 504 is fixed on the front of the large iron plate 4.

Furthermore, the first output gear 503 and the second output gear 507 are both meshed with the gear ring at the bottom of the shuffling big plate 3 of the mahjong machine.

Preferably, the pitch circle diameter of the second output gear 507 is larger than that of the speed increasing gear 506, and the pitch circle diameter of the first output gear 503 is smaller than that of the output gear of the conventional large disk drive motor. Because shuffle the initial stage and adopt low-speed output, simultaneously the utility model discloses an output gear is littleer than traditional driving motor's output gear, the ring gear of 3 bottoms on the big dish of cooperation shuffling, just can obtain bigger reduction ratio, so, driving motor 1's power just can be smaller, and arrived and shuffled middle and later stages, after carrying out mahjong tile along with shuffling and reducing, big dish load diminishes, even if the driving motor of less power also can normally drive and shuffle big dish 3, just so can practice thrift the cost of driving motor 1 of big dish

As shown in fig. 1 to 3, a shuffling large disk 3 and a shuffling bar mechanism 2 are arranged on a central shaft seat 1 in a penetrating manner, the shuffling bar mechanism 2 is arranged above the shuffling large disk 3, a variable speed driving device 5 is arranged below the shuffling large disk 3, the variable speed driving device 5 is fixed on a large iron plate 4, a central shaft seat 1 is fixed at the center of the large iron plate 4, the shuffling large disk 3 and the shuffling bar mechanism 2 can flexibly rotate around the central shaft seat 1, and the shuffling large disk 3 is driven by the variable speed driving device 5.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any way. The technical solutions of the present invention can be used by anyone skilled in the art to make many possible variations and modifications to the technical solution of the present invention, or to modify equivalent embodiments with equivalent variations, without departing from the scope of the technical solution of the present invention. Therefore, any modification, equivalent change and modification of the above embodiments according to the present invention are all within the protection scope of the present invention.

Claims

1. A mahjong machine large-plate variable speed driving device is characterized in that: the device comprises a driving motor (501), wherein an input gear (502) is fixed on an output shaft of the driving motor (501), and a first output gear (503) is sleeved on the output shaft of the driving motor (501), wherein the driving motor (501) drives the first output gear (503) to rotate in a single direction;

the gear shaft (505) is fixedly provided with an accelerating gear (506) and is further sleeved with a second output gear (507), the gear shaft (505) drives the second output gear (507) to rotate in a single direction, and the input gear (502) is meshed with the accelerating gear (506).

2. The mahjong machine big-plate variable-speed driving device according to claim 1, characterized in that: the first output gear (503) is connected with an output shaft of the driving motor (501) through a first one-way bearing (509), and the second output gear (507) is connected with the gear shaft (505) through a second one-way bearing (508).

3. The mahjong machine big-plate variable-speed driving device according to claim 1, characterized in that: the gear shaft type manual transmission device is characterized by further comprising a gear shaft seat (504), wherein the gear shaft (505) is rotatably connected with the gear shaft seat (504).

4. The mahjong machine big-plate variable-speed driving device according to claim 1, characterized in that: the driving motor (501) drives the first output gear (503) to rotate in the same direction as the gear shaft (505) drives the second output gear (507).

5. The mahjong machine big-plate variable-speed driving device according to claim 1, characterized in that: the transmission ratio of the input gear (502) to the speed increasing gear (506) is less than 1.

6. The mahjong machine big-plate variable-speed driving device according to claim 1, characterized in that: the first output gear (503) and the second output gear (507) are both meshed with a gear ring at the bottom of a shuffling large plate (3) of the mahjong machine.