CN213942079U - Central shaft seat for mahjong machine and mahjong shuffling device of mahjong machine - Google Patents
Central shaft seat for mahjong machine and mahjong shuffling device of mahjong machine Download PDFInfo
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- CN213942079U CN213942079U CN202021992298.6U CN202021992298U CN213942079U CN 213942079 U CN213942079 U CN 213942079U CN 202021992298 U CN202021992298 U CN 202021992298U CN 213942079 U CN213942079 U CN 213942079U
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Abstract
The utility model discloses a central axis seat and mahjong machine shuffling device for mahjong machine, be formed with in proper order from the top to the bottom on this central axis seat and dial tablet axle seat portion, location seat portion and shuffle axle seat portion, dial tablet axle seat portion and be used for the installation to dial the tablet ware, shuffle axle seat portion is used for the installation to shuffle the big dish, and location seat portion is used for installing differential drive mechanism, and this differential drive mechanism is used for realizing shuffling the big dish and dials the differential transmission between the tablet ware. In the utility model, the central shaft seat is provided with the card-shifting shaft seat part, the positioning seat part and the card-shuffling shaft seat part in sequence, so that each mechanism is arranged on the central shaft seat in a partition way, and the central shaft seat has uniform stress, stable structure, small damage and long service life; and because each mechanism is directly connected with the central shaft base, the weight of each mechanism is borne by the central shaft base, the adverse effect generated among the mechanisms is avoided, only transmission is needed among the mechanisms, and the running resistance of the card poking device is greatly reduced.
Description
Technical Field
The utility model belongs to the technical field of the mahjong machine, in particular to central axis seat and mahjong machine shuffling device for the mahjong machine.
Background
The shuffling device of the mahjong machine generally comprises a shuffling large disc which is rotationally connected with a central shaft seat, and a mahjong shifting device which is fixedly arranged on the central shaft seat and is provided with a plurality of mahjong shifting strips extending on the top surface of the shuffling large disc is arranged on the top surface of the shuffling large disc. Under the drive of the shuffling motor, the shuffling large disc can rotate circumferentially relative to the central shaft seat, and the positions of the card poking device and the card poking strips are kept unchanged, so that the card poking strips are about to poke away the mahjong tiles on the shuffling large disc in the rotation process of the shuffling large disc.
The mahjong machine has the following disadvantages: because the position of the poker shifting strip is kept fixed in the rotation process of the shuffling big plate, the phenomena of 'dead angle for playing mahjong' and mahjong blocked between the poker shifting strip and the shuffling big plate often occur at the position of the poker shifting strip, and the shuffling process is influenced; when the shuffling large disk rotates, the shuffling large disk and the card shifting strips have larger differential speed, and when more mahjong tiles exist, the mahjong tiles can continuously impact the card shifting strips, so that shuffling noise is larger.
In order to solve the problems, the chinese utility model patent with publication number CN208574197U discloses a gear speed-changing card-shifting bar large-disc mechanism, which comprises a transmission card-shifting device, wherein the transmission card-shifting device comprises a card-shifting frame, the card-shifting frame is sleeved on the periphery of a central shaft seat and is rotationally connected with the central shaft seat, and a card-shifting large disc is sleeved on the card-shifting frame through a central through hole thereof; the upper part of the poker rack extends out of the central through hole and is provided with a plurality of poker bars positioned on the top surface of the shuffling big plate, and the lower part of the poker device extends out of the central through hole and is fixedly provided with a transmission poker device gear; the bottom surface of the shuffling big disk is fixedly provided with a power transmission gear, and a transmission poker gear and the power transmission gear are transmitted through a gear speed changer.
The large disc mechanism has the following disadvantages: the central shaft seat is only rotationally connected with the card shifting frame, the card shuffling large disc and the gear transmission are both arranged on the card shifting frame, so that the large disc mechanism can drive the card shifting frame by adopting larger torque force, the power cost is increased, the damage to the card shifting frame and the central shaft seat is larger, and the service lives of the card shifting frame and the central shaft seat are greatly influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a central axle seat for a mahjong machine, which is provided with corresponding mounting positions for a shuffling large plate, a playing device and a differential transmission mechanism between the shuffling large plate and the playing device respectively, and all the components are arranged on the central axle seat in a partitioning manner, so that the central axle seat is uniformly stressed and has less obtained damage; the pressure of the card shifting device is shared, and the card shifting device can be driven to operate only by small driving force.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a central shaft seat for a mahjong machine is sequentially provided with a card shifting shaft seat part, a positioning seat part and a card shuffling shaft seat part from the top end to the bottom end, wherein the card shifting shaft seat part is used for installing a card shifting device, the card shuffling shaft seat part is used for installing a card shuffling large disc, the positioning seat part is used for installing a differential transmission mechanism, and the differential transmission mechanism is used for realizing differential transmission between the card shuffling large disc and the card shifting device.
In the utility model, the central shaft seat is provided with a card-shifting shaft seat part, a positioning seat part and a shuffling shaft seat part in sequence, which are used for installing a card-shifting device, a shuffling big disc and a differential transmission mechanism between the card-shifting device and the shuffling big disc respectively, and each mechanism is arranged on the central shaft seat in a partitioning way, so that the central shaft seat is uniform in stress, stable in structure, small in damage and long in service life; and because each mechanism is directly connected with the central shaft base, the weight of each mechanism is borne by the central shaft base, the adverse effect generated among the mechanisms is avoided, only transmission is needed among the mechanisms, the running resistance of the card poking device is greatly reduced, the card poking device can be driven to run by only small driving force, and the running cost is reduced.
The circumference location mode between location seat portion and the differential drive mechanism is various, the utility model discloses a central axis seat for mahjong machine, location seat portion on be formed with the depressed area of being convenient for do the circumference location to differential drive mechanism. Correspondingly, the differential transmission mechanism is provided with a convex part matched with the concave area, and the convex part and the concave area which are mutually embedded realize circumferential positioning of the differential transmission mechanism after being assembled in place.
In the central shaft seat for the mahjong machine, at least two recessed areas are uniformly arranged around the circumferential direction of the positioning seat part, and each recessed area is provided with an opening positioned on the top surface and the peripheral wall of the positioning seat part;
each depressed area all includes radial recess, still has the radial positioning draw-in groove of a plurality of intervals settings at radial recess towards the one side of location seat portion.
The recessed area is provided with openings positioned on the top surface and the peripheral wall of the positioning seat part, so that the differential transmission mechanism can descend from the upper part of the positioning seat part and can be assembled on the positioning seat part; and the radial groove and the radial positioning clamping groove can realize double circumferential positioning of the differential transmission mechanism.
The utility model discloses in, the center pin seat has all set up axial limit structure at differential drive mechanism's upper and lower both ends, and at differential drive mechanism's lower extreme, this axial limit structure can be:
in the central shaft seat for the mahjong machine, the outer diameter of the poker shaft seat part is smaller than that of the poker shaft seat part, and the outer diameter of the positioning seat part is the same as that of the poker shaft seat part;
the bottom surface of the depressed area forms a limit step for limiting the axial position of the differential transmission mechanism on the positioning seat.
Or, in the central shaft seat for mahjong machine, the outer diameters of the poker shaft seat part, the positioning seat part and the shuffling shaft seat part are sequentially increased, and a limit step for limiting the axial position of the differential transmission mechanism on the positioning seat part is formed between the positioning seat part and the shuffling shaft seat part.
At the upper end of the differential transmission mechanism, the axial limiting structure may be: the central shaft seat for the mahjong machine is also provided with an external thread seat part between the mahjong shifting shaft seat part and the positioning seat part, and the external thread seat part is in threaded connection with a locking seat used for driving the differential transmission mechanism to abut against the limiting step.
By utilizing the locking seat and the limiting step, the differential transmission mechanism can be separated from the shuffling large disc and the card poking device when being positioned and arranged on the positioning seat part, so that the abrasion of the shuffling large disc and the card poking device on the differential transmission mechanism caused by rotation is avoided.
In the central shaft seat for the mahjong machine, the outer diameter of the external thread seat part is positioned between the tile poking shaft seat part and the positioning seat part.
The utility model also provides a mahjong machine shuffling device, this shuffling device includes central axle bed to and rotate the big dish of shuffling and the ware of dialling of connecting on this central axle bed, wherein, this central axle bed is foretell mahjong machine central axle bed promptly.
In the mahjong shuffling device of the mahjong machine, the mahjong shuffling device further comprises a differential transmission mechanism which is circumferentially positioned and installed on the positioning seat part, the differential transmission mechanism is a planetary gear reducer, the planetary gear reducer comprises a planet carrier with a second central hole, the inner peripheral wall of the second central hole is provided with a convex part, and the convex part is matched with the concave area on the positioning seat part and is arranged in a one-to-one correspondence manner;
the lug boss comprises a radial boss matched with the radial groove, and the radial boss is also provided with radial positioning latch teeth matched with the radial positioning latch grooves one by one.
In the shuffling device of the mahjong machine, a first reduction planetary gear is rotatably arranged on the planet carrier, and the first reduction planetary gear and a power input gear fixedly arranged on the shuffling large disc form a primary reduction transmission pair;
the planet carrier is also rotatably provided with a secondary reduction planetary gear which is coaxial with at least one first reduction planetary gear, and the secondary reduction planetary gear and a power output gear which is fixedly arranged on the mahjong shifting device form a secondary reduction transmission pair.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
(1) in the utility model, the central shaft seat is provided with a card-shifting shaft seat part, a positioning seat part and a shuffling shaft seat part in sequence, which are used for installing a card-shifting device, a shuffling big disc and a differential transmission mechanism between the card-shifting device and the shuffling big disc respectively, and each mechanism is arranged on the central shaft seat in a partitioning way, so that the central shaft seat is uniform in stress, stable in structure, small in damage and long in service life; and because each mechanism is directly connected with the central shaft base, the weight of each mechanism is borne by the central shaft base, the adverse effect generated among the mechanisms is avoided, only transmission is needed among the mechanisms, the running resistance of the card poking device is greatly reduced, the card poking device can be driven to run by only small driving force, and the running cost is reduced.
(2) In the utility model, a depressed area (21) which is convenient for circumferential positioning of the differential transmission mechanism is formed on the positioning seat part 23, and the depressed area is provided with an opening which is positioned on the top surface and the peripheral wall of the positioning seat part 23, so that the differential transmission mechanism can descend from the upper part of the positioning seat part and can be assembled on the positioning seat part; and the radial groove and the radial positioning clamping groove can realize double circumferential positioning of the differential transmission mechanism.
(3) The utility model discloses in, the center pin seat has set up the locking seat in differential drive mechanism's upper end, has set up spacing step at differential drive mechanism's lower extreme, utilizes locking seat and spacing step, and differential drive mechanism can be when being positioned the setting on the seat portion of fixing a position, and with shuffle the deep bid and dial the tablet ware and keep apart, avoid shuffling the deep bid and dial the rotatory differential drive mechanism that produces wearing and tearing of tablet ware.
Drawings
FIG. 1 is a schematic structural view of a central shaft seat for a mahjong machine of the present invention;
FIG. 2 is a schematic view of the explosion structure of the shuffling device of the mahjong machine of the present invention;
FIG. 3 is a schematic illustration of the planetary gear reducer of FIG. 2;
FIG. 4 is a schematic illustration of the planetary gear reducer of FIG. 2 from another perspective;
fig. 5 is a schematic view of the card-handling device of fig. 2 from another perspective.
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, in the central shaft base for mahjong machine of the present embodiment, a poker shaft seat portion 25, a male screw thread seat portion 24, a positioning seat portion 23 and a shuffling shaft seat portion 26 are sequentially formed on the central shaft base 2 from the top end to the bottom end, the outer diameters of the poker shaft seat portion 25, the male screw thread seat portion 24 and the shuffling shaft seat portion 26 are sequentially increased, and the outer diameter of the positioning seat portion 23 is equivalent to the outer diameter of the shuffling shaft seat portion 26; the card-shifting shaft seat part 25 is used for installing a card-shifting device, the card-shifting shaft seat part 26 is used for installing a shuffling large plate, and the positioning seat part 23 is used for installing a differential transmission mechanism for realizing the differential transmission of the shuffling large plate and the card-shifting device.
In this embodiment, the positioning seat portion 23 is formed with recessed areas 21 for facilitating circumferential positioning of the differential transmission mechanism, and in this embodiment, three recessed areas 21 are provided uniformly around the circumferential direction of the positioning seat portion 23, and each recessed area 21 has openings at the top surface and the outer circumferential wall of the positioning seat portion 23; the differential transmission mechanism is moved downward from the top end of the central shaft base 2, and then the differential transmission mechanism is assembled on the positioning seat portion 23.
As shown in fig. 1, each recessed area 21 includes a radial groove 21a, and a plurality of radial positioning slots 21b are formed at intervals on a side of the radial groove 21a facing the positioning seat 23. The radial groove 21a and the radial positioning clamping groove 21b can realize double circumferential positioning of the differential transmission mechanism.
In this embodiment, the central shaft base 2 is formed with axial limiting structures at the upper and lower ends of the differential transmission mechanism. Wherein, the axial limit structure at the lower end of the differential transmission mechanism is a limit step 22 formed on the bottom surface of the depressed area 21; and the axial limiting structure at the lower end of the differential transmission mechanism is a locking seat 6 which is installed on the external thread seat part 24 in a threaded manner. By utilizing the locking seat 6 and the limiting step 22, the differential transmission mechanism can be separated from the shuffling large plate and the card poking device when being positioned and arranged on the positioning seat part 23, so that the abrasion of the shuffling large plate and the card poking device to the differential transmission mechanism is avoided.
The working principle of the central shaft seat for the mahjong machine in the embodiment is as follows:
during assembly, the shuffling large disk firstly descends to the shuffling shaft seat part 26 from the top end of the central shaft seat 2, and is rotatably connected to the shuffling shaft seat part 26 by using a bearing; then, the differential transmission mechanism descends to the position of the positioning seat part 23 from the top end of the central shaft seat 2, the circumferential positioning of the differential transmission mechanism is realized by utilizing the depressed area 21 on the positioning seat part 23, then the locking seat 6 is installed on the external thread seat part 24 in a threaded manner, and the axial limiting of the differential transmission mechanism is realized by utilizing the limiting step 22 and the locking seat 6; finally, the card-handling device is rotatably connected to the card-handling shaft seat 25 via a bearing.
Example 2
As shown in figure 2, the mahjong shuffling device of the mahjong machine comprises a large shuffling tray 1, wherein the center of the large shuffling tray 1 is provided with a first central hole 11, and the large shuffling tray 1 is rotatably connected with a central shaft seat 2 through a bearing in the first central hole 11. As shown in fig. 3, the shuffle board 1 of the present embodiment includes a tapered portion 12 at the center and a flat plate portion 13 at the outer periphery, and the tapered portion 12 and the flat plate portion 13 are integrally formed.
In the embodiment, the shuffling large disk 1 is driven to rotate by the variable-speed driving mechanism 5; for a specific structure of the speed-changing driving mechanism 5, please refer to the disclosure of the chinese patent application with publication number CN111282260A, and details of this embodiment are not repeated.
As shown in fig. 5 and seen in fig. 2, the card-shifting device 3 is disposed on the top surface of the shuffling large plate 1, the card-shifting device 3 includes a card-shifting base 31 rotatably connected to the card-shifting shaft base 25 of the central shaft base 2 through a bearing, the card-shifting base 31 is umbrella-shaped, a fifth central hole 31a for conveniently mounting the card-shifting shaft base 25 is formed in the center of the card-shifting base 31, and a plurality of card-shifting strips 32 are disposed on the end edge of the flaring end of the umbrella-shaped card-shifting base 31. The top surface of the poker seat 31 is also fixedly provided with an end cover 33 positioned at the end part of the central shaft seat 2 through a fastener, and the center of the end cover 33 is only provided with a fourth central hole 33a for a lifting rod of a central lifting mechanism of the mahjong machine to pass through.
As shown in fig. 3 and 4 and seen in fig. 2, the planetary gear reducer 4 is located and mounted on the locating seat portion 23 of the central shaft seat 2, the planetary gear reducer 4 includes a planet carrier 41 located circumferentially with respect to the central shaft seat 2, the planet carrier 41 includes a planet carrier body 41a having a second central hole 41b, three protrusions 41c are formed on the inner peripheral wall of the second central hole 41b, and the three protrusions 41c are arranged in one-to-one correspondence with the three recessed areas on the locating seat portion 23. In this embodiment, each of the protruding portions 41c includes a radial boss 41ca adapted to the radial groove 21a, and the radial boss 41ca further has radial positioning latches 41cb adapted to the radial positioning slots 21 b.
When the planet carrier 41 descends from the top end of the central shaft seat 2 to the positioning seat 23, the convex part 41c is embedded into the corresponding concave area 21, so as to form circumferential positioning for the planet carrier 41; at the same time, the limit step 22 and the locking seat 6 form an axial limit for the planet carrier.
As shown in fig. 3 and 4, the planet carrier body 41a has two flanged edges 41d at two ends, and a planet wheel mounting space 44 is formed between the two flanged edges 41 d. Three primary reduction planetary gears 42a are uniformly arranged in the planet wheel mounting space 44 in the circumferential direction, and two ends of the central shaft of the three primary reduction planetary gears 42a are respectively in running fit with corresponding outward turned edges 41 d; a second reduction planetary gear 43a is fixedly fitted on the central axis of one of the first reduction planetary gears 42 a.
As shown in fig. 2, a power input gear 42b engaged with each of the first reduction planetary gears 42a is fixed to the top surface of the shuffle platter 1, and the power input gear 42b and the first reduction planetary gears 42a constitute a first reduction gear pair 42.
The power input gear 42b of the present embodiment is an external gear, and the power input gear 42b is located at the inner ring of the primary reduction planetary gear 42a at the time of transmission; in order to facilitate the engagement of the power input gear 42b with the first-stage reduction planetary gear 42a, a third central hole 41e communicated with the second central hole 41b is formed in the center of the planet carrier body 41a, the inner diameter of the third central hole 41e is larger than that of the second central hole 41b, and when the shuffle board 1 and the planetary gear reducer 4 are assembled on the central shaft base 2, the power input gear 42b is positioned in the third central hole 41 e; the carrier body 41a is formed with a first through opening 41f for communicating the third center hole 41e and the planetary wheel mounting space 44 so that the primary reduction planetary gear 42a meshes with the power input gear 42 b.
As shown in fig. 3, 4 and 5, a power output gear 43b engaged with the second reduction planetary gear 43a is integrally formed on the bottom surface of the card-setting base 31, the power output gear 43b is located on the opening outer edge of the fifth central hole 31a, and the power output gear 43b and the second reduction planetary gear 43a constitute a second reduction transmission pair 43. The power output gear 43b of the present embodiment is also an external gear, and during transmission, the power output gear 43b is also located at the inner ring of the secondary reduction planetary gear 43 a; in order to facilitate the meshing transmission between the two gears, an annular avoiding groove 41g for accommodating the power output gear 43b is further concavely formed in the top surface of the planet carrier body 41a, and a second through hole 41h for communicating the annular avoiding groove 41g with the planet wheel mounting space 44 so that the secondary reduction planet gear 43a is meshed with the power output gear 43b is further formed in the planet carrier body 41 a.
Claims (10)
1. A central shaft seat for a mahjong machine is characterized in that a poker shaft seat part (25), a positioning seat part (23) and a shuffling shaft seat part (26) are sequentially formed from the top end to the bottom end, wherein the poker shaft seat part (25) is used for installing a poker device (3), the shuffling shaft seat part (26) is used for installing a shuffling large disc (1), the positioning seat part (23) is used for installing a differential transmission mechanism, and the differential transmission mechanism is used for realizing differential transmission between the shuffling large disc (1) and the poker device (3).
2. The central axis seat for mahjong machine as claimed in claim 1, wherein said positioning seat (23) is formed with a recessed area (21) for circumferential positioning of the differential transmission mechanism.
3. The central axis seat for mahjong machine as claimed in claim 2, wherein there are at least two said recessed areas (21) uniformly arranged around the circumference of the positioning seat (23), each recessed area (21) having an opening at the top surface and the peripheral wall of the positioning seat (23);
each depressed area (21) comprises a radial groove (21a), and a plurality of radial positioning clamping grooves (21b) which are arranged at intervals are further arranged on one side, facing the positioning seat part (23), of the radial groove (21 a).
4. The central axis seat for mahjong machine as claimed in claim 2, wherein the outside diameter of the poker shaft seat part (25) is smaller than the outside diameter of the card shuffling shaft seat part (26), and the outside diameter of the positioning seat part (23) is the same as the card shuffling shaft seat part (26);
the bottom surface of the depressed area (21) forms a limit step (22) used for limiting the axial position of the differential transmission mechanism on the positioning seat (23).
5. The central axis seat for mahjong machine according to claim 2, characterized in that the outer diameters of the poker shaft seat part (25), the positioning seat part (23) and the shuffling shaft seat part (26) are increased in sequence, and a limit step for limiting the axial position of the differential transmission mechanism on the positioning seat part (23) is formed between the positioning seat part (23) and the shuffling shaft seat part (26).
6. The central axle seat for mahjong machines according to claim 4 or 5, characterized in that there is also formed an external thread seat (24) between the playing card shaft seat (25) and the positioning seat (23), the external thread seat (24) is screwed with a locking seat (6) for driving the differential transmission mechanism to abut against the limit step (22).
7. The central axis seat for mahjong machine as claimed in claim 6, wherein the external thread seat part (24) has an external diameter between the card-shifting shaft seat part (25) and the positioning seat part (23).
8. A mahjong machine shuffling device, which comprises a central shaft seat (2), a big shuffling disk (1) and a mahjong machine shifting device (3) which are rotatably connected to the central shaft seat (2), and is characterized in that the central shaft seat (2) is the central shaft seat for the mahjong machine according to any one of claims 1 to 7.
9. The mahjong shuffling device of claim 8, further comprising a differential transmission mechanism which is a planetary gear reducer (4) and is circumferentially positioned and mounted on the positioning seat portion (23), wherein the planetary gear reducer (4) comprises a planet carrier (41) with a second central hole (41b), the inner peripheral wall of the second central hole (41b) is provided with a convex portion (41c), and the convex portion (41c) is matched with the concave area (21) on the positioning seat portion (23) and is arranged in a one-to-one correspondence manner;
the bulge part (41c) comprises a radial boss (41ca) matched with the radial groove (21a), and the radial boss (41ca) is also provided with radial positioning latch teeth (41cb) matched with the radial positioning latch grooves (21b) one by one.
10. The mahjong shuffling device of claim 9, wherein the planet carrier (41) is rotatably mounted with a first reduction planetary gear (42a), and the first reduction planetary gear (42a) and a power input gear (42b) fixed on the big shuffling disk (1) form a primary reduction transmission pair (42);
the planet carrier (41) is also rotatably provided with a secondary reduction planetary gear (43a) which is coaxial with at least one first reduction planetary gear (42a), and the secondary reduction planetary gear (43a) and a power output gear (43b) fixedly arranged on the card shifting device form a secondary reduction transmission pair (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021992298.6U CN213942079U (en) | 2020-09-13 | 2020-09-13 | Central shaft seat for mahjong machine and mahjong shuffling device of mahjong machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021992298.6U CN213942079U (en) | 2020-09-13 | 2020-09-13 | Central shaft seat for mahjong machine and mahjong shuffling device of mahjong machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213942079U true CN213942079U (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021992298.6U Active CN213942079U (en) | 2020-09-13 | 2020-09-13 | Central shaft seat for mahjong machine and mahjong shuffling device of mahjong machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213942079U (en) |
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2020
- 2020-09-13 CN CN202021992298.6U patent/CN213942079U/en active Active
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