CN211215376U - Mahjong machine and big dish speed change gear thereof - Google Patents
Mahjong machine and big dish speed change gear thereof Download PDFInfo
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- CN211215376U CN211215376U CN201921375292.1U CN201921375292U CN211215376U CN 211215376 U CN211215376 U CN 211215376U CN 201921375292 U CN201921375292 U CN 201921375292U CN 211215376 U CN211215376 U CN 211215376U
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Abstract
The utility model discloses a mahjong machine deep bid speed change gear and mahjong machine, this mahjong machine deep bid speed change gear include the big dish of shuffling of big dish driving gear of bottom surface area, shuffle the below fixed mounting of big dish and have a deep bid motor and be used for realizing driven gear change mechanism between big dish motor and the big dish driving gear, gear change mechanism includes: the locking directions of the first one-way gear and the second one-way gear are opposite; the output gear is provided with an output shaft and is meshed with the large disc transmission gear; and the third one-way gear and the fourth one-way gear are installed on the output shaft in a matched mode, the first one-way gear is meshed with and drives the third one-way gear, and the second one-way gear is meshed with and drives the fourth one-way gear through the driving pinion. The gear speed change mechanism can change the rotating speed of the shuffling large disk in different shuffling stages, thereby ensuring the shuffling efficiency on the premise of reducing the shuffling noise.
Description
Technical Field
The utility model belongs to the technical field of the mahjong machine, concretely relates to mahjong machine deep bid speed change gear and mahjong machine.
Background
The big plate of the mahjong machine is an important component of the mahjong machine, and the structure of the big plate comprises a shuffling big plate which is in a state of protruding in the middle and horizontal in edge; the center of the shuffling big disk is provided with a big disk center shaft seat which is rotationally matched with the shuffling big disk through a bearing; the upper end and the lower end of the big-disk central shaft seat are respectively provided with a mounting hole site, wherein the mounting hole site at the upper end of the big-disk central shaft seat is used for mounting a poker shifting bar or/and a poker shifting bar seat, and the mounting hole site at the lower end of the big-disk central shaft seat is used for fixedly connecting the big-disk central shaft seat with a mahjong machine bottom plate.
Generally, the bottom surface of the shuffling large disk is also provided with large disk transmission teeth, and the large disk motor can drive the shuffling large disk to rotate by meshing the large disk transmission teeth with a driving gear on an output shaft of the large disk motor.
When the mahjong machine carries out shuffling operation, the mahjong tiles falling on the shuffling large plate can generate noise due to mutual impact, and the traditional method of the trade company is to reduce the rotating speed of the large plate motor, further reduce the rotating speed of the shuffling large plate and increase the torque of the shuffling large plate. But the reduction of the rotating speed can lead to longer shuffling operation time and lower shuffling efficiency; at the same time, the shuffling platter does not require large torque at the later stages of shuffling (fewer cards).
In order to solve the problem of low shuffling efficiency caused by reducing the rotating speed of the shuffling large disk, the publication number is CN
208574197U, the Chinese utility model discloses a gear speed-changing card-strip-shifting big-plate mechanism, which comprises a shuffling big plate, a big-plate central shaft seat, a transmission card-shifting device and a gear speed changer, wherein the transmission card-shifting device comprises a card-shifting frame sleeved on the big-plate central shaft seat, and the card-shifting frame is rotationally connected with the big-plate central shaft seat; the shuffling large disc is sleeved on the periphery of the poker shifting frame and is rotationally connected with the poker shifting frame; a poker card shifting bar is fixedly arranged on the poker card shifting frame above the shuffling big plate; a transmission poker shifting device gear is fixedly arranged on the poker shifting frame below the shuffling big disc; the bottom surface of the shuffling big disk is fixed with power transmission teeth below the big disk, the gear transmission comprises a big gear ring and a small gear ring which are fixed by a connecting shaft, wherein the big gear ring is meshed with the power transmission teeth below the big disk, a friction transmission belt is wound between the small gear ring and the transmission shifting device gear, and the outer side of the friction transmission belt is also provided with a clutch.
The large disc mechanism utilizes a gear transmission to respectively drive the shuffling large disc and the transmission card shifting device to rotate, wherein the rotating speed of the shuffling large disc is unchanged, the rotating speed of the transmission card shifting device in the early stage of shuffling is slower than that of the shuffling large disc so as to reduce noise generated by shuffling, and the rotating speed of the transmission card shifting device can be increased by utilizing a clutch in the later stage of shuffling so as to improve the shuffling efficiency.
The large disk mechanism has the disadvantages that the rotating speed of the large shuffling disk is constant in the whole shuffling operation process, and the card feeding efficiency of the transmission card shifting device is adjusted by changing the rotating speed of the transmission card shifting device so as to be matched with the card turning and shuffling efficiency of the large shuffling disk, so that the noise is reduced. However, the rotation speed of the transmission poker shifting device needs to be adjusted by a clutch, the clutch controls the rotation speed of the transmission poker shifting device by pressing or loosening the friction transmission belt, and the clutch and the friction transmission belt are worn under the long-term contact of the clutch and the friction transmission belt, so that the clutch or the friction transmission belt needs to be replaced frequently, and the maintenance cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a mahjong machine and a big plate speed change gear of the mahjong machine which can give consideration to the shuffling efficiency and the shuffling noise of the shuffling big plate and reduce the maintenance cost.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a kind of mahjong machine large plate speed change gear, including shuffling the large plate, the bottom surface of the large plate of this shuffle has large plate drive teeth, the said shuffle below of the large plate fixedly has large plate motors and gear change gears used for realizing the transmission between large plate motor and large plate drive teeth, the gear change gears include:
the first one-way gear and the second one-way gear are matched and installed on the input shaft of the large-disc motor, and the locking directions of the first one-way gear and the second one-way gear are opposite;
an output gear having an output shaft, the output gear being in meshing engagement with the large disc drive teeth;
the third one-way gear and the fourth one-way gear are installed on the output shaft in a matched mode, the first one-way gear is meshed with and drives the third one-way gear, and the second one-way gear is meshed with and drives the fourth one-way gear through a driving pinion.
The utility model adopts a gear speed change mechanism to realize the transmission between the big disc motor and the shuffling big disc so as to change the rotating speed of the shuffling big disc in different shuffling stages. Specifically, when a large number of cards are shuffled in the initial stage, the input shaft of the large-disk motor rotates in the forward direction to drive the second one-way gear to rotate and sequentially transmit the rotation to the transmission pinion and the fourth one-way gear, so that one-stage or two-stage speed reduction is realized, and the rotating speed of the shuffling large disk is slower at the moment to reduce shuffling noise; when the cards are less at the later shuffling stage, the input shaft of the large-disc motor rotates reversely to drive the first one-way gear to rotate and engage and drive the third one-way gear, the speed is not reduced or only reduced by one stage in the transmission process, the rotating speed of the large shuffling disc is higher than that at the early shuffling stage, and the shuffling efficiency can be improved on the premise of not increasing the shuffling noise.
The utility model also provides a mahjong machine, this mahjong machine is including shuffling the deep bid, and the bottom surface that should shuffle the deep bid has deep bid driving gear, the utility model discloses a mahjong machine still includes foretell mahjong machine deep bid speed change gear, this mahjong machine deep bid speed change gear with the transmission of deep bid driving gear and drive and shuffle the deep bid and rotate.
The utility model changes the relative rotation speed of the shuffling large plate and the shuffling strip in different shuffling stages by adjusting the rotation speed of the shuffling large plate. Adopt the utility model discloses a during mahjong machine deep bid speed change gear, the rotational speed of dialling the tablet strip in the mahjong machine can be at the uniform velocity, and the rotational speed of shuffling the deep bid can change to be used for changing the gear change mechanism who shuffles the deep bid rotational speed, only have the gear engagement transmission in whole course of the work, the wearing and tearing of emergence are few, and the cost of overhaul is low.
It should be noted that, in the present invention, "forward rotation" and "reverse rotation" of the input shaft of the big-disc motor are relative speaking, and the present invention is not limited to the specific rotation direction of the big-disc motor in different shuffling stages.
Meanwhile, in order to realize the transmission among the second one-way gear, the transmission pinion and the fourth one-way gear, in the mahjong machine big-plate speed changing device, the diameter and/or the number of teeth of the first one-way gear is obviously larger than that of the second one-way gear.
In addition, the forward rotation of the input shaft of the large-disk motor can realize primary or secondary speed reduction, and the reverse rotation of the input shaft of the large-disk motor can realize primary speed reduction or no speed reduction; in order to ensure the change of the rotating speed of the shuffling big disk, on the premise that the effect achieved by each deceleration of forward or reverse rotation is equivalent, when the reverse rotation of the input shaft of the big disk motor achieves 'no deceleration', the forward rotation of the input shaft of the big disk motor can achieve 'first-stage deceleration' or 'second-stage deceleration'; when the reverse rotation of the input shaft of the large-disk motor is realized by 'first-stage speed reduction', the forward rotation of the input shaft of the large-disk motor is preferably realized by 'second-stage speed reduction'.
That is, in the above mahjong machine large-plate transmission device, the diameter and/or the number of teeth of the third one-way gear is equivalent to the diameter and/or the number of teeth of the first one-way gear, the diameter and/or the number of teeth of the second one-way gear is equivalent to the diameter and/or the number of teeth of the transmission pinion, and the diameter and/or the number of teeth of the fourth one-way gear is larger than the diameter and/or the number of teeth of the transmission pinion; or, the diameter and/or the number of teeth of the transmission pinion is larger than that of the second one-way gear, and the diameter and/or the number of teeth of the fourth one-way gear is equivalent to that of the transmission pinion or larger than that of the transmission pinion.
At the moment, the reverse rotation of the input shaft of the large-disk motor achieves 'no speed reduction', and the forward rotation of the input shaft of the large-disk motor achieves 'first-stage speed reduction' or 'second-stage speed reduction'.
Or, in the above mahjong machine large-plate speed changing device, the diameter and/or the number of teeth of the third one-way gear is larger than the diameter and/or the number of teeth of the first one-way gear;
the diameters and/or the number of teeth of the second one-way gear, the transmission pinion and the fourth one-way gear are/is increased progressively in sequence.
The reverse rotation of the input shaft of the large-disk motor achieves 'first-stage speed reduction', and the forward rotation of the input shaft of the large-disk motor achieves 'second-stage speed reduction'.
In the large-plate speed changing device of the mahjong machine, the center of the shuffling large plate is provided with a through hole for installing a large-plate central shaft seat, and the large-plate central shaft seat is axially fixed and circumferentially and rotatably connected with the shuffling large plate;
under the shuffling large disk, a bottom plate is fixedly arranged on the central shaft seat of the large disk, and the gear speed change mechanism is fixed on the bottom surface of the bottom plate through a support.
The utility model discloses a gear change mechanism is through setting up the outer support fixed mounting of deep bid motor casing on the bottom plate, is convenient for change or maintain deep bid motor or gear change mechanism alone.
In the large-disc speed changing device of the mahjong machine, the bracket comprises a lower bedplate and an upper bedplate, wherein the lower bedplate is fixedly connected with a shell of a large-disc motor through a first fastening piece, the upper bedplate is fixedly connected with a bottom plate through a second fastening piece, the upper bedplate is fixedly connected with the lower bedplate through a third fastening piece, and a gear speed changing mechanism mounting space is formed between the lower bedplate and the upper bedplate;
the input shaft and the output shaft both extend into the installation space of the gear speed change mechanism and are in running fit with the upper bedplate and the lower bedplate.
In the large-plate speed changing device of the mahjong machine, a transmission shaft is rotatably arranged between the lower bedplate and the upper bedplate, and the transmission pinion is fixedly arranged on the transmission shaft.
In the large-plate speed changing device of the mahjong machine, the first fastening piece comprises first threaded holes which are formed in the lower bedplate and the shell in pairs, a first bolt is installed between two first threaded holes which belong to the same pair in a threaded mode, and a first nut is installed at one end, penetrating through the first threaded holes, of the first bolt in a threaded mode.
The second fastener may be of the same composition as the first fastener.
In the large-plate speed changing device of the mahjong machine, the third fastening piece comprises third threaded holes which are formed in the lower bedplate and the upper bedplate in pairs, a third bolt is installed between the two third threaded holes which belong to the same pair in a threaded mode, and a third nut is installed at one end, penetrating through the third threaded holes, of the third bolt in a threaded mode;
and a support column is arranged on the periphery of the third bolt between the lower bedplate and the upper bedplate, and a guide hole for the third bolt to pass through is formed in the center of the support column. The supporting column is sleeved on the periphery of the third bolt, so that the distance between the upper bedplate and the lower bedplate can be positioned, and an installation space is reserved for the gear speed change mechanism.
In the large-plate speed changing device of the mahjong machine, the support further comprises a plurality of protective side plates arranged around the periphery of the lower bedplate and the upper bedplate, each protective side plate is fixedly connected with the upper bedplate and the lower bedplate, and the upper bedplate, the lower bedplate and the protective side plates enclose a gear speed changing mechanism mounting space. The setting of protection curb plate can improve the security of support, avoids impurity such as dust to influence gear engagement and transmission in getting into gear speed change mechanism simultaneously.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
(1) the utility model adopts a gear speed change mechanism to realize the transmission between the big disc motor and the shuffling big disc so as to change the rotating speed of the shuffling big disc in different shuffling stages. Specifically, when a large number of cards are shuffled in the initial stage, the input shaft of the large-disk motor rotates in the forward direction to drive the second one-way gear to rotate and sequentially transmit the rotation to the transmission pinion and the fourth one-way gear, so that one-stage or two-stage speed reduction is realized, and the rotating speed of the shuffling large disk is slower at the moment to reduce shuffling noise; when the cards are less at the later shuffling stage, the input shaft of the large-disc motor rotates reversely to drive the first one-way gear to rotate and engage and drive the third one-way gear, the speed is not reduced or only reduced by one stage in the transmission process, the rotating speed of the large shuffling disc is higher than that at the early shuffling stage, and the shuffling efficiency can be improved on the premise of not increasing the shuffling noise.
(2) The utility model changes the relative rotation speed of the shuffling large plate and the shuffling strip in different shuffling stages by adjusting the rotation speed of the shuffling large plate. Adopt the utility model discloses a during mahjong machine deep bid speed change gear, the rotational speed of dialling the tablet strip in the mahjong machine can be at the uniform velocity, and the rotational speed of shuffling the deep bid can change to be used for changing the gear change mechanism who shuffles the deep bid rotational speed, only have the gear engagement transmission in whole course of the work, the wearing and tearing of emergence are few, and the cost of overhaul is low.
Drawings
FIG. 1 is a schematic view of an assembly structure of a large-plate speed change device of a mahjong machine of the present invention;
FIG. 2 is a schematic view of an assembly structure of the large-plate speed change device of the mahjong machine of the present invention at another viewing angle;
FIG. 3 is a schematic structural view of a large-plate speed change device of the mahjong machine of the present invention;
fig. 4 is an explosion structure diagram of the mahjong machine big-plate speed changing device of the utility model.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.
Example 1
As shown in fig. 1 and fig. 2, the large-plate speed changing device of the mahjong machine of the embodiment comprises a large shuffling plate 1, wherein a through hole for installing a large-plate central shaft seat 2 is formed in the center of the large shuffling plate 1, and the large-plate central shaft seat 2 is axially fixed and circumferentially and rotatably connected with the large shuffling plate 1; a bottom plate 3 is fixedly arranged at the end part of the central shaft seat 2 of the big shuffling disk below the big shuffling disk 1; and a card shifting mechanism can be arranged at the end part of the central shaft seat 2 of the big plate above the big shuffling plate 1 according to the specific requirements of the mahjong machine.
As shown in figure 3, the bottom surface of the shuffling big disk 1 is provided with big disk transmission teeth 11 which are arranged concentrically with the through holes, the bottom surface of the bottom plate 3 is fixedly provided with a bracket 4, the bracket 4 is provided with a big disk motor 5, and a gear speed change mechanism 6 which realizes the transmission between the big disk motor 5 and the big disk transmission teeth 11 and further drives the shuffling big disk 1 to rotate.
As shown in fig. 4 and seen in fig. 3, in the present embodiment, the bracket 4 includes a lower platen 41 fixedly connected to a housing 51 of the large disk motor 5 by a first fastening member 43, an upper platen 42 fixedly connected to the base plate 3 by a second fastening member 44, the upper platen 42 is fixedly connected to the lower platen 41 by a third fastening member 45, and a gear change mechanism mounting space 46 is formed between the upper platen 42 and the lower platen 41.
As shown in fig. 4, the first fastening member 43 includes first threaded holes 43a formed in the lower platen 41 and the housing 51 in pairs, and a first bolt (not shown) is threadedly mounted between the two first threaded holes 43a of the same pair, and a first nut (not shown) is threadedly mounted at one end of the first bolt that penetrates through the first threaded hole 43 a.
The second fastening member 44 is formed in the same manner as the first fastening member 43, and includes second threaded holes 44a formed in the base plate 3 and the upper platen 42 in pairs, and a second bolt (not shown) is threadedly mounted between the two second threaded holes 44a of the same pair, and a second nut (not shown) is threadedly mounted at one end of the second bolt that penetrates through the second threaded hole 44 a.
In this embodiment, the third fastening member 45 includes third threaded holes 45a formed in the lower platen 41 and the upper platen 42 in pairs, a third bolt (not shown in the figure) is threadedly mounted between the two third threaded holes 45a belonging to the same pair, and a third nut (not shown in the figure) is threadedly mounted at one end of the third bolt, which penetrates through the third threaded hole 45 a;
a support column 47 is further provided on the outer periphery of the third bolt between the lower platen 41 and the upper platen 42, and a guide hole 47a through which the third bolt passes is opened in the center of the support column 47. The support column 47 is fitted around the outer periphery of the third bolt, which helps to position the distance between the upper platen 42 and the lower platen 41, and to reserve an installation space for the gear shifting mechanism 6.
The upper platen 42, the lower platen 41, and the support columns 47 are basic components constituting the support 4, and in addition, a plurality of protective side plates (not shown in the figure) may be disposed around the peripheries of the lower platen 41 and the upper platen 42, each protective side plate is fixedly connected to the upper platen 42 and the lower platen 41, and the upper platen 42, the lower platen 41, and the protective side plates enclose a gear shift mechanism mounting space 46. The setting of protection curb plate can improve the security of support 4, avoids impurity such as dust to influence gear engagement and transmission in getting into gear change mechanism 6 simultaneously.
As shown in fig. 4, as seen in combination with fig. 3, in the present embodiment, the input shaft 52 of the large disk motor 5 passes through the lower platen 41 and extends into the gear change mechanism mounting space 46, and is rotationally engaged with the upper platen 42 and the lower platen 41; the gear speed change mechanism 6 comprises a first one-way gear 61 and a second one-way gear 62 which are matched and arranged on the input shaft 52 of the large-disc motor 5, and the locking directions of the first one-way gear 61 and the second one-way gear 62 are opposite; the gear change mechanism 6 further comprises an output gear 63, and the output gear 63 is meshed with the large-disc transmission teeth 11; the output gear 63 is provided with an output shaft 64 fixedly connected with the output gear, and the output shaft 64 penetrates through the bottom plate 3 and the upper bedplate 42, extends into the gear speed change mechanism mounting space 46 and is in running fit with the upper bedplate 42 and the lower bedplate 41; a third one-way gear 65 and a fourth one-way gear 66 are also arranged on the output shaft 64 between the upper platen 42 and the lower platen 41 in a matching way, wherein the third one-way gear 65 is in meshing transmission with the first one-way gear 61; the gear shifting mechanism 6 further comprises a transmission shaft 68 rotatably mounted between the lower platen 41 and the upper platen 42, and a transmission pinion 67 is fixedly mounted on the transmission shaft 68; the drive pinion 67 is in meshing drive with the second one-way gear 62 and the fourth one-way gear 66, respectively.
As shown in fig. 4, in the present embodiment, the diameter and the number of teeth of the second one-way gear 62 are both smaller than the diameter and the number of teeth of the first one-way gear 61, the diameter and the number of teeth of the third one-way gear 65 are equal to the diameter and the number of teeth of the fourth one-way gear 66, the diameters and the numbers of teeth of the second one-way gear 62, the transmission pinion 67, and the fourth one-way gear 66 are sequentially increased, and the diameter and the number of teeth of the third one-way gear 65 are equal to the diameter and the number of teeth of the first one.
In this embodiment, the one-way gear is locked and locked with the shaft when rotating in one direction; when the one-way gear rotates in the opposite direction, the one-way gear and the shaft idle relatively. The one-way transmission mode between the one-way gear and the shaft is well known in the prior art, and as in the embodiment, the third one-way gear 65 and the fourth one-way gear 66 realize one-way transmission between the one-way bearing 69 and the output shaft 64; except adopting one-way bearing, there are many other one-way transmission means, and these one-way transmission means all are applicable to the utility model discloses, this embodiment is no longer repeated to this.
The working principle of the large-plate speed change device of the mahjong machine in the embodiment is as follows:
when a large number of cards are shuffled in the initial stage, the input shaft 52 of the large-disk motor 5 rotates in the forward direction to drive the second one-way gear 62 to rotate and sequentially transmit the rotation to the transmission pinion 67 and the fourth one-way gear 66 to realize two-stage speed reduction, and the rotating speed of the shuffling large disk 1 is slower at the moment so as to reduce shuffling noise; when the number of cards is small at the later shuffling stage, the input shaft 52 of the large-disc motor 5 rotates reversely to drive the first one-way gear 61 to rotate and engage with the third one-way gear 65 for transmission, and the speed is not reduced in the transmission process, so that the rotating speed of the large shuffling disc 1 is higher than that at the early shuffling stage, and the shuffling efficiency can be improved on the premise of not increasing the shuffling noise.
In addition, the diameter and the number of teeth of the third one-way gear 65 are set to be larger than those of the first one-way gear 61, so that one-stage speed reduction can be realized when the input shaft 52 of the large-disc motor 5 rotates reversely, and the shuffling noise is reduced on the premise of not influencing the shuffling efficiency;
the diameters and the tooth numbers of the second one-way gear 62 and the transmission pinion gear 67 can be set to be equal, or the diameters and the tooth numbers of the transmission pinion gear 67 and the fourth one-way gear 66 are set to be equal, so that the one-stage speed reduction can be realized when the input shaft 52 of the large-disk motor 5 rotates in the positive direction, and the shuffling efficiency is improved on the premise of not increasing the shuffling noise; obviously, it is appropriate to set the diameters and the numbers of teeth of the third one-way gear 65 and the first one-way gear 61 at this time.
Claims (10)
1. The utility model provides a mahjong machine deep bid speed change gear, includes and shuffles deep bid (1), and the bottom surface of this shuffling deep bid (1) has deep bid driving gear (11), characterized in that, the below fixed mounting of shuffling deep bid (1) have deep bid motor (5) and be used for realizing the driven gear change mechanism (6) between deep bid motor (5) and deep bid driving gear (11), this gear change mechanism (6) include:
a first one-way gear (61) and a second one-way gear (62) which are matched and installed on an input shaft (52) of the large-disc motor (5), wherein the locking directions of the first one-way gear (61) and the second one-way gear (62) are opposite;
an output gear (63) having an output shaft (64), the output gear (63) meshing with the large dish gear teeth (11);
a third one-way gear (65) and a fourth one-way gear (66) which are matched and installed on the output shaft (64), the first one-way gear (61) is meshed and drives the third one-way gear (65), and the second one-way gear (62) is meshed and drives the fourth one-way gear (66) through a driving pinion (67).
2. The big plate speed change device of mahjong machine according to claim 1, characterized in that the diameter and/or number of teeth of the first one-way gear (61) is larger than the diameter and/or number of teeth of the second one-way gear (62).
3. The big plate speed change device of mahjong machine according to claim 1, wherein the diameter and/or number of teeth of the third one-way gear (65) is equivalent to the diameter and/or number of teeth of the first one-way gear (61),
the diameter and/or the number of teeth of the second one-way gear (62) is equivalent to that of the transmission pinion (67), and the diameter and/or the number of teeth of the fourth one-way gear (66) is larger than that of the transmission pinion (67); or the diameter and/or the number of teeth of the transmission pinion (67) are larger than those of the second one-way gear (62), and the diameter and/or the number of teeth of the fourth one-way gear (66) are equivalent to those of the transmission pinion (67) or larger than those of the transmission pinion (67).
4. The big plate speed change device of mahjong machine according to claim 1, wherein the diameter and/or number of teeth of the third one-way gear (65) is larger than the diameter and/or number of teeth of the first one-way gear (61);
the diameters and/or the number of teeth of the second one-way gear (62), the transmission pinion (67) and the fourth one-way gear (66) are/is increased in sequence.
5. The big-disk speed change device of the mahjong machine according to any one of the claims 1 to 4, characterized in that the center of the big shuffling disk (1) is provided with a through hole for installing the big-disk central shaft seat (2), and the big-disk central shaft seat (2) is axially fixed and circumferentially and rotatably connected with the big shuffling disk (1);
a bottom plate (3) is fixedly arranged on the central shaft seat (2) of the big shuffling disk (1), and the gear speed change mechanism (6) is fixed on the bottom surface of the bottom plate (3) through a support (4).
6. The big-disk speed change device of the mahjong machine according to claim 5, wherein the bracket (4) comprises a lower bedplate (41) fixedly connected with a shell (51) of the big-disk motor (5) through a first fastening piece (43) and an upper bedplate (42) fixedly connected with the bottom plate (3) through a second fastening piece (44), the upper bedplate (42) and the lower bedplate (41) are fixedly connected through a third fastening piece (45), and a gear speed change mechanism mounting space (46) is formed between the lower bedplate (41) and the upper bedplate (42);
the input shaft (52) and the output shaft (64) both extend into the installation space (46) of the gear speed change mechanism and are in running fit with the upper bedplate (42) and the lower bedplate (41).
7. The mah-jong machine large-disc speed change device of claim 6, wherein a transmission shaft (68) is rotatably installed between the lower bedplate (41) and the upper bedplate (42), and the transmission pinion (67) is fixedly installed on the transmission shaft (68).
8. The large-plate speed change device of the mahjong machine as claimed in claim 6, wherein the third fastening piece (45) comprises third threaded holes (45a) which are formed in the lower bedplate (41) and the upper bedplate (42) in pairs, a third bolt is installed between the two third threaded holes (45a) of the same pair in a threaded manner, and a third nut is installed at one end of the third bolt, which penetrates through the third threaded hole (45a), in a threaded manner;
and a support column (47) is arranged on the periphery of the third bolt between the lower bedplate (41) and the upper bedplate (42), and a guide hole (47a) for the third bolt to pass through is formed in the center of the support column (47).
9. The mahjong machine large-plate speed changing device according to any one of claims 6 to 8, characterized in that the bracket (4) further comprises a plurality of protective side plates arranged around the periphery of the lower bedplate (41) and the upper bedplate (42), each protective side plate is fixedly connected with the upper bedplate (42) and the lower bedplate (41), and the upper bedplate (42), the lower bedplate (41) and the protective side plates enclose a gear speed changing mechanism mounting space (46).
10. A mahjong machine, comprising a shuffling large plate (1), wherein the bottom surface of the shuffling large plate (1) is provided with large plate transmission teeth (11), and the mahjong machine is characterized by further comprising a large plate speed change device of the mahjong machine according to any one of claims 1 to 9, and the large plate speed change device of the mahjong machine is in transmission with the large plate transmission teeth (11) to drive the shuffling large plate (1) to rotate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921375292.1U CN211215376U (en) | 2019-08-22 | 2019-08-22 | Mahjong machine and big dish speed change gear thereof |
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| CN201921375292.1U CN211215376U (en) | 2019-08-22 | 2019-08-22 | Mahjong machine and big dish speed change gear thereof |
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| CN211215376U true CN211215376U (en) | 2020-08-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110538451A (en) * | 2019-08-22 | 2019-12-06 | 杨建兴 | Mahjong machine and big dish speed change gear thereof |
| CN112190918A (en) * | 2020-10-19 | 2021-01-08 | 杭州越钧电子有限公司 | Control method of mahjong machine large-disc motor |
-
2019
- 2019-08-22 CN CN201921375292.1U patent/CN211215376U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110538451A (en) * | 2019-08-22 | 2019-12-06 | 杨建兴 | Mahjong machine and big dish speed change gear thereof |
| CN112190918A (en) * | 2020-10-19 | 2021-01-08 | 杭州越钧电子有限公司 | Control method of mahjong machine large-disc motor |
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