CN210229111U - Central lifting mechanism of full-automatic mahjong machine - Google Patents
Central lifting mechanism of full-automatic mahjong machine Download PDFInfo
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- CN210229111U CN210229111U CN201920158664.9U CN201920158664U CN210229111U CN 210229111 U CN210229111 U CN 210229111U CN 201920158664 U CN201920158664 U CN 201920158664U CN 210229111 U CN210229111 U CN 210229111U
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Abstract
The utility model discloses a central elevating system of full-automatic mahjong machine, this full-automatic mahjong machine include that base and rotation install the big dish of shuffling on the base, and this central elevating system includes: a lifting rod; the lifting rod is in sliding fit with the base, and a circumferential limiting piece is arranged between the lifting rod and the base; a rocker arm is rotatably arranged on the base and used for jacking the lifting rod; and the driving mechanism is used for driving the rocker arm to rotate. The lifting rod is arranged on the base in a sliding mode, the circumferential limiting piece is used for preventing the lifting rod from rotating circumferentially, and only axial lifting can be achieved; and simultaneously, the lifting rod is jacked by utilizing the rotatable rocker arm. Under actuating mechanism's drive, the rocking arm takes place to rotate, can realize "top" or "support" the action to the lifter, because the rocking arm supports all the time and leans on the lifter, both can not separate, consequently can ensure that the lifter steadily goes up and down all the time.
Description
Technical Field
The utility model belongs to the technical field of full-automatic mahjong machine, concretely relates to central elevating system of full-automatic mahjong machine.
Background
Mahjong is a popular entertainment tool in the world, and the full-automatic mahjong machine with the automatic shuffling and stacking functions can avoid the trouble of manual shuffling and stacking of players, so the full-automatic mahjong machine is popular. The full-automatic mahjong machine generally comprises a base provided with a shuffling barrel and a panel covered on the base, wherein the center of the panel is provided with a mahjong tile returning hole used for pushing mahjong tiles on the panel into the shuffling barrel, and the base is internally provided with a shuffling mechanism, a tile taking and stacking mechanism (comprising a tile taking and conveying mechanism and a tile stacking mechanism), a tile sending mechanism, a tile lifting and bearing mechanism and a central lifting mechanism.
Taking the chinese utility model patent application publication with application number CN201710626792.7 as an example, the central lifting mechanism in the prior art includes a lifting rod, through holes for the lifting rod to pass are both formed at the centers of the base and the shuffling large plate, a lifting driving unit for driving the lifting rod to lift is arranged below the base, and a lifting rod limiting piece is arranged between the lifting rod and the through hole of the shuffling large plate; the top end of the lifting rod is provided with an operation panel which is matched with the mahjong tile returning hole in size, when the operation panel is lifted, the mahjong tile returning hole is opened, and at the moment, mahjong tiles can be pushed into the mahjong tile shuffling barrel; when the operation board is lowered to be level with the panel, the mahjong tile returning hole is shielded, and the mahjong game can be played.
The lifting driving unit comprises a motor baffle fixedly connected to the bottom surface of the shuffling large plate, a speed reducing motor is mounted on the motor baffle, a driving wheel is mounted on an output shaft of the speed reducing motor, a driven wheel is mounted on the motor baffle, and a transmission belt is sleeved between the driving wheel and the driven wheel; the bottom of the lifting rod is fixedly provided with a horizontal cross rod which is fixedly connected with the transmission belt; a fixed sleeve is arranged on the periphery of the lifting rod below the shuffling large disk, and a return spring for assisting the lifting rod to descend is abutted between the fixed sleeve and the motor baffle.
The disadvantages of the central lifting mechanism are that: (1) the technology utilizes the conveyor belt and the horizontal cross bar to drive the lifting rod to ascend and descend, but the flexible conveyor belt often causes the horizontal cross bar to be difficult to stably operate in operation, so that unnecessary abrasion is generated among the lifting rod, the base and the through hole of the shuffling large disc, and even operation noise is generated; (2) this technique utilizes reset spring to assist the lifter to descend, and under reset spring's high-tension, the lifter descends rapidly can lead to the operation panel violently to hit the card hole periphery back, and not only the noise is great, but also can reduce equipment life.
SUMMERY OF THE UTILITY MODEL
The invention aims to provide a central lifting mechanism of a full-automatic mahjong machine, which can be lifted stably.
In order to achieve the above purpose, the technical solution of the present application is as follows:
the utility model provides a central elevating system of full-automatic mahjong machine, full-automatic mahjong machine include the base and rotate the big dish of shuffling of installing on the base, central elevating system include the lifter, still include:
the lifting rod is in sliding fit with the base, and a circumferential limiting piece for preventing the lifting rod from rotating circumferentially is arranged between the lifting rod and the base;
the rocker arm is rotatably arranged on the base and used for jacking the lifting rod;
and the driving mechanism is used for driving the rocker arm to rotate.
The lifting rod is arranged on the base in a sliding mode, the circumferential limiting piece is used for preventing the lifting rod from rotating circumferentially, and only axial lifting can be achieved; and simultaneously, the lifting rod is jacked by utilizing the rotatable rocker arm. Under the drive of the driving mechanism, the rocker arm rotates, so that the actions of 'jacking' (driving the lifting rod to ascend) or 'supporting' (providing supporting force for the descending lifting rod) on the lifting rod can be realized, and the rocker arm always abuts against the lifting rod and cannot be separated from the lifting rod, so that the lifting rod can be ensured to ascend and descend stably all the time.
In the central lifting mechanism of the full-automatic mahjong machine, the base comprises a base body arranged between the base and the shuffling big plate, the bottom of the base body is provided with a U-shaped support, a lifting rod is arranged on the U-shaped support in a sliding way, and the circumferential limiting piece is arranged between the U-shaped support and the lifting rod;
the base body is internally provided with a central channel for the lifting rod to pass through, the center of the shuffling large disk is provided with a first through hole for the lifting rod to pass through, the center of the base is provided with a second through hole for the U-shaped support and the lifting rod to pass through, and the first through hole, the central channel and the second through hole are coaxially arranged.
In the central lifting mechanism of the full-automatic mahjong machine, the circumferential limiting piece comprises two guide sliding chutes which are oppositely arranged on the U-shaped bracket, and the length extension direction of each guide sliding chute is consistent with the lifting direction of the lifting rod; the bottom of lifter radially be provided with circumference gag lever post, the both ends of this circumference gag lever post pass corresponding direction spout respectively and with direction spout sliding fit.
In the central lifting mechanism of the full-automatic mahjong machine, the inner diameter of the central channel is gradually reduced from the bottom end to the top end, the centering block is installed at the bottom end of the central channel, the center of the centering block is provided with a centering hole for the lifting rod to pass through, and the lifting rod is in clearance fit with the centering hole. The central passage that is cascaded and reduces is for the convenience of assembling the lifter, but this kind of central passage is unfavorable for the steady lift of lifter, and has good additional action to this to the centering block, can also reduce the friction between central passage inner wall and the lifter simultaneously to improve transmission efficiency.
In the central lifting mechanism of the full-automatic mahjong machine, a plurality of deformed grooves are formed on the inner peripheral wall of the centering hole, and the length extension directions of all the deformed grooves are consistent with the lifting direction of the lifting rod.
In the central lifting mechanism of the full-automatic mahjong machine, the centering block is provided with an outer ring tightly attached to the inner wall of the central channel and an inner ring in clearance fit with the lifting rod, the outer ring and the inner ring are connected in a U shape, a plurality of radially arranged supporting plates are circumferentially distributed in an annular cavity formed by the outer ring and the inner ring, the annular cavity is divided into a plurality of deformation chambers by the supporting plates, and the outer ring, the inner ring and the supporting plates are integrally arranged. The deformation groove and the deformation chamber are used for providing a certain deformation space for the centering block when the lifting rod is assembled, so that the friction is further reduced while the lifting rod is ensured to be always vertically and smoothly lifted.
In the central lifting mechanism of the full-automatic mahjong machine, a rocker arm seat arranged in parallel with the U-shaped support is fixedly installed on the bottom surface of the base, the rocker arm is rotatably connected with the rocker arm seat through a mandrel, the driving mechanism is used for driving the mandrel to rotate, and a transmission part is arranged between the rocker arm and the lifting rod.
In the central lifting mechanism of the full-automatic mahjong machine, the transmission part comprises a transmission seat fixed on the periphery of the lifting rod, one side of the transmission seat facing the rocker arm is provided with an expansion wing plate, the rocker arm is abutted against the bottom surface of the expansion wing plate, and the distance between the rocker arm and the two end surfaces of the expansion wing plate is larger than or equal to the action radius of the rocker arm. The expansion wing plate can improve a larger action range for the rocker arm under the condition of not changing the diameter of the supporting rod, and the rocker arm can be ensured to always support the supporting rod.
In the central lifting mechanism of the full-automatic mahjong machine, the top end of the lifting rod is provided with an operating panel, a main control board is arranged in the operating panel, one side of the rocker arm facing the rocker arm seat is provided with a magnet, and one side of the rocker arm seat facing the rocker arm is provided with a magnetic control sensor connected with the main control board; the magnetic control sensor is provided with two magnetic control sites, the positions of the two magnetic control sites correspond to the highest point and the lowest point of an action path of a magnet on the rocker arm respectively, and the main control board is used for receiving an output signal of the magnetic control sensor and controlling the starting and stopping of the driving mechanism according to the output signal.
In the central lifting mechanism of the full-automatic mahjong machine, one side of the rocker arm seat facing the U-shaped support is fixedly provided with a semicircular welding plate, two magnetic control sites are respectively arranged at two open ends of the semicircular welding plate, the middle part of the semicircular welding plate extends outwards to form an ear part, and the ear part is provided with a connecting terminal connected with the main control board.
Compared with the prior art, the beneficial effect of this application is embodied in:
the lifting rod is arranged on the base in a sliding mode, the circumferential limiting piece is used for preventing the lifting rod from rotating circumferentially, and only axial lifting can be achieved; and simultaneously, the lifting rod is jacked by utilizing the rotatable rocker arm. Under the drive of the driving mechanism, the rocker arm rotates, so that the actions of 'jacking' (driving the lifting rod to ascend) or 'supporting' (providing supporting force for the descending lifting rod) on the lifting rod can be realized, and the rocker arm always abuts against the lifting rod and cannot be separated from the lifting rod, so that the lifting rod can be ensured to ascend and descend stably all the time.
Drawings
FIG. 1 is a schematic structural view of a central lifting mechanism of the fully automatic mahjong machine of the present invention;
FIG. 2 is a schematic structural diagram of the base of FIG. 1;
FIG. 3 is a schematic view of the base shown in FIG. 2 from another perspective;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a schematic structural view of the first unidirectional actuator of FIG. 1;
FIG. 7 is a schematic structural view of the mahjong machine provided with the central lifting mechanism of the full-automatic mahjong machine of the present invention;
FIG. 8 is a schematic view of the exploded structure of the mahjong machine equipped with the central lifting mechanism of the full-automatic mahjong machine of the present invention;
fig. 9 is an explosion structure diagram of the mahjong machine with the central lifting mechanism of the full-automatic mahjong machine of the utility model under another visual angle.
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. 7, 8 and 9, the roller coaster type full-automatic mahjong machine comprises a base 1, the base 1 comprises a bottom plate 11 and an integrated piece 12 fixedly installed on the bottom plate 11, the center of the integrated piece 12 is provided with a shuffling barrel 121, and the top surface of the integrated piece 12 is provided with a panel (not shown in the figure); the shuffling mechanism 2 is arranged below the shuffling barrel 121 between the bottom plate 11 and the integrated member 12, and the central lifting mechanism 3 of the full-automatic mahjong machine of the embodiment is arranged in the base 1 and the shuffling barrel 121.
As shown in fig. 1 and fig. 8 and 9, the shuffling mechanism 2 of the present embodiment comprises a large shuffling tray 21 rotatably mounted between a bottom plate 11 and an integrally formed member 12, the large shuffling tray 21 is located below a shuffling barrel 121, the top center of the large shuffling tray 21 is a tapered surface 211 for allowing mahjong tiles to slide from the center of the large shuffling tray to the periphery of the large shuffling tray, and the outer periphery of the top surface of the large shuffling tray 21 is a flat surface for receiving the mahjong tiles sliding down from the tapered surface 211.
As shown in fig. 1 and 8, the bottom surface of the shuffling large disk 21 is provided with a driving mechanism 4 for driving the shuffling large disk 21 to rotate, the driving mechanism 4 comprises a large disk driving motor 41 fixedly arranged on the bottom plate 11, and an internal gear 42 which is fixed on the bottom surface of the shuffling large disk 21 and is coaxially arranged with the shuffling large disk 21; the output shaft of the large-disk drive motor 41 passes through the bottom plate 11 and extends to the lower part of the large shuffling disk 21, the large-disk drive motor 41 drives the large shuffling disk 21 to rotate by engaging the first drive gear 43 arranged on the output shaft with the internal gear 42, the large shuffling disk 21 shuffles in the rotating process, and the mahjong tiles slide to the periphery of the large shuffling disk 21 along the top surface of the large shuffling disk 21 while being shuffled.
In the present embodiment, the internal gear 42 is provided integrally with the shuffle platter 21; and a plurality of reinforcing ribs 22 are arranged between the outer periphery of the inner gear 42 and the bottom surface of the shuffling large disk 21, and the reinforcing ribs 22 extend along the radial direction of the shuffling large disk 21 and are uniformly arranged on the outer periphery of the inner gear 42 in the circumferential direction. The reinforcing ribs 22 are also integrally provided with the shuffle platter 21, and the connecting surface between the reinforcing ribs 22 and the bottom surface of the shuffle platter 21 is wedge-shaped (the reinforcing ribs 22 are also wedge-shaped), which is adapted to the taper of the shuffle platter 21.
As shown in fig. 1 and 2 and seen in fig. 7 and 9, the central lifting mechanism 3 of the present embodiment includes a base 31 mounted on the bottom plate 11, the base 31 includes a base body 311 mounted between the bottom plate 11 and the shuffle board 21, the bottom of the base body 311 has a U-shaped support 312, the U-shaped support 312 has a lifting rod 32 slidably mounted thereon, and a circumferential limiting member 35 for preventing the lifting rod 32 from rotating circumferentially is disposed between the lifting rod 32 and the U-shaped support 312; a central channel 3111 for the lifting rod 32 to pass through is arranged in the base body 311, a first through hole 212 for the lifting rod 32 to pass through is arranged in the center of the shuffle board 21, a second through hole 111 for the U-shaped bracket 312 and the lifting rod 32 to pass through is arranged in the center of the bottom plate 11, and the first through hole 212, the central channel 3111 and the second through hole 111 are coaxially arranged; the lifting rod 32 is provided with an operation panel through one end (namely the top end) of the shuffling large disc 21, a card returning hole matched with the operation panel is arranged on a panel arranged on the top surface of the base 1, and the mahjong tiles on the panel can return into the shuffling barrel 121 through the card returning hole; a main control board is arranged in the operation panel.
The circumferential limiting member 35 of the present embodiment includes two guiding sliding grooves 351 oppositely disposed on the U-shaped bracket 312, and a length extending direction of the guiding sliding grooves 351 is consistent with a lifting direction of the lifting rod 32; the bottom end of the lifting rod 32 is provided with a circumferential limiting rod 352 in the radial direction, two ends of the circumferential limiting rod 352 respectively penetrate through the corresponding guide chutes 351, and two ends of the circumferential limiting rod 352 are provided with rollers 353 which are in rolling fit with the guide chutes 351.
As shown in fig. 4, the inner diameter of the central passage 3111 is gradually reduced from the bottom end to the top end, a centering block 313 is installed in the central passage 3111 at the bottom end of the central passage 3111, a centering hole for the lift rod 32 to pass through is formed in the center of the centering block 313, and the lift rod 32 is in clearance fit with the centering hole.
As shown in fig. 4 and 5, the centering block 313 has an outer ring 3131 closely attached to the inner wall of the central passage 3111 and an inner ring 3132 in clearance fit with the lifting rod 32, the outer ring 3131 and the inner ring 3132 are connected in a U-shape, a plurality of supporting plates 3133 radially arranged are circumferentially distributed in an annular chamber defined by the outer ring 3131 and the inner ring 3132, the annular chamber is divided into a plurality of deformation chambers 3134 by the supporting plates 3133, and the outer ring 3131, the inner ring 3132 and the supporting plates 3133 are all integrally arranged. And, a plurality of strip-shaped deformation grooves 3135 are formed on the inner peripheral wall of the centering hole, and the length extension direction of all the deformation grooves 3135 is the same as the lifting direction of the lifting rod 32.
In this embodiment, the lifting of the lifting rod 32 is also driven by the large disk drive motor 41, and the rotation of the large disk drive motor 41 is transmitted to the lifting rod 32 through the first unidirectional transmission mechanism 5. As shown in fig. 1, 6 and 7, the first unidirectional transmission mechanism 5 of the present embodiment further includes a rocker arm base 51 fixedly mounted on the bottom surface of the bottom plate 11, the rocker arm base 51 is parallel to the U-shaped bracket 312 and is rotatably mounted with a rocker arm 52, and the rocker arm 52 is rotatably connected with the rocker arm base 51 through a core shaft 521; the spindle 521 is connected with the output shaft of the large disc drive motor 41 through a first reversing transmission gear set in a transmission manner to support the lifting rod 32, and a transmission member is arranged between the rocker arm 52 and the lifting rod 32.
In this embodiment, the first reversing transmission gear set includes a first bevel gear 53 mounted on the output shaft of the large disk drive motor 41, a second bevel gear 54 engaged with the first bevel gear 53 is mounted on one end of the spindle 521 passing through the rocker arm base 51, and a first one-way bearing 57 is disposed between the first bevel gear 53 and the output shaft of the large disk drive motor 41, between the second bevel gear 54 and the rocker arm 52, or between the spindle 521 and the rocker arm base 51.
The large disk drive motor 41 performs the shuffling operation when driving the shuffling large disk 21 to rotate, but the shuffling operation is not synchronous with the lifting operation of the lifting rod 32 and the operation disk, so a first one-way bearing 57 needs to be arranged on the transmission path of the large disk drive motor 41 and the lifting rod 32 to ensure the one-way transmission and ensure that each mechanism keeps a relatively independent working state. The first one-way bearing 57 may be provided at any position between the first bevel gear 53 and the output shaft of the large disk drive motor 41, between the second bevel gear 54 and the rocker arm 52, or between the stem 521 and the rocker arm base 51, or may be provided at a plurality of positions at the same time, or may even be provided between the first drive gear 43 and the output shaft of the large disk drive motor 41, as the case may be.
As shown in fig. 2 and 4, in the present embodiment, the transmission member includes an annular transmission seat 55 fixedly disposed on the outer periphery of the lifting rod 32, and a circumferential limiting rod 352 at the bottom end of the lifting rod 32 sequentially passes through the lifting rod 32 and the transmission seat 55 and then extends into the guide chute 351; the side of the transmission seat 55 facing the swing arm 52 is provided with an extension wing plate 56, and the extension wing plate 56 and the transmission seat 55 can be integrally arranged or detachably fixedly connected.
The rocker arm 52 abuts against the bottom surface of the expansion flap 56, and the distance between the rocker arm 52 and both end surfaces of the expansion flap 56 is equal to or greater than the operating radius of the rocker arm 52. Therefore, the rocker arm 52 always abuts against the bottom surface of the expansion wing plate 56 no matter which rotating position is located, and the lifting process of the lifting rod 32 is always ensured to be uniform and stable while the lifting rod 32 is driven to lift.
Of course, in addition to sharing the driving mechanism 4 with the shuffling mechanism 2, the central lifting mechanism 3 of the present embodiment may also use a separate driving motor to drive the swing arm 52 to rotate, which is a very conventional technical means and will not be described in detail herein.
Meanwhile, as shown in fig. 6, a magnet is arranged on the side of the rocker arm 52 facing the rocker arm seat 51, a semicircular welding plate 33 is fixedly installed on the side of the rocker arm seat 51 facing the rocker arm 52, and a magnetic control sensor 34 is installed on the semicircular welding plate 33; the magnetic control sensor 34 has two magnetic control sites 341, the two magnetic control sites 341 are respectively located at two open ends of the semicircular welding plate 33, and respectively correspond to the highest point and the lowest point of the motion path of the rocker arm 52; the middle part of the semicircular welding plate 33 extends outwards to form an ear 331, the ear 331 is provided with a connection terminal 342, the magnetic control sensor 34 is connected with a main control board through the connection terminal 342, and the main control board is used for receiving an output signal of the magnetic control sensor 34 and controlling the start and stop of the large disk drive motor 41 according to the output signal. When the magnetic control sensor 34 detects that the rocker arm 52 rotates to the highest point or the lowest point of the action path, the operating panel rises to the highest point or falls to the lowest point to be matched with the card returning hole, and the main control panel stops the large panel driving motor 41.
The working principle of the central lifting mechanism 3 of the full-automatic mahjong machine in the embodiment is as follows:
after the game on the panel is finished, the user operates the operation panel, the main control panel starts the large-panel driving motor 41, the large-panel driving motor 41 rotates reversely, the first bevel gear 53 and the second bevel gear 54 are linked, the rocker arm 52 jacks up the lifting rod 32 to drive the operation panel to ascend, when the magnetic control point 341 at the highest point of the action path of the rocker arm 52 detects the rocker arm 52, the main control panel suspends the large-panel driving motor 41, and the user can push mahjong tiles on the panel into the shuffling large panel 21 through the tile returning hole;
after the card is returned, the user operates the operation panel, the main control board restarts the large-disc driving motor 41, the large-disc driving motor 41 continues to rotate reversely, the rocker arm 52 descends from the highest point, the lifting rod 32 descends along with the rocker arm, when the magnetic control point 341 at the lowest point of the action path of the rocker arm 52 detects the rocker arm 52, the main control board suspends the large-disc driving motor 41, and at this time, the operation panel returns to the card returning hole.
Claims (10)
1. The utility model provides a central elevating system (3) of full-automatic mahjong machine, full-automatic mahjong machine include base (1) and rotate and install shuffling deep bid (21) on base (1), central elevating system (3) include lifter (32), its characterized in that still includes:
the lifting rod (32) is in sliding fit with the base (31), and a circumferential limiting piece (35) used for preventing the lifting rod (32) from rotating circumferentially is arranged between the lifting rod (32) and the base (31);
a rocker arm (52) rotatably mounted on the base (31), the rocker arm (52) being used for jacking the lifting rod (32);
and the driving mechanism (4) is used for driving the rocker arm (52) to rotate.
2. The central lifting mechanism (3) of the full-automatic mahjong machine according to claim 1, wherein the base (31) comprises a base body (311) installed between the base (1) and the shuffle platter (21), the bottom of the base body (311) is provided with a U-shaped bracket (312), the U-shaped bracket (312) is slidably provided with a lifting rod (32), the circumferential limiting piece (35) is arranged between the U-shaped bracket (312) and the lifting rod (32);
the base body (311) is internally provided with a central channel (3111) for the lifting rod (32) to pass through, the center of the shuffling large disc (21) is provided with a first through hole (214) for the lifting rod (32) to pass through, the center of the base (1) is provided with a second through hole (111) for the U-shaped support (312) and the lifting rod (32) to pass through, and the first through hole (214), the central channel (3111) and the second through hole (111) are coaxially arranged.
3. The central lifting mechanism (3) of the full-automatic mahjong machine according to claim 2, wherein the circumferential limiting member (35) comprises two guide chutes (351) oppositely arranged on the U-shaped bracket (312), and the length extension direction of the guide chutes (351) is consistent with the lifting direction of the lifting rod (32); the bottom end of the lifting rod (32) is radially provided with a circumferential limiting rod (352), and two ends of the circumferential limiting rod (352) respectively penetrate through the corresponding guide sliding grooves (351) and are provided with idler wheels (353) which are in rolling fit with the guide sliding grooves (351).
4. The central lifting mechanism (3) of a full automatic mahjong machine according to claim 2, wherein the inner diameter of the central channel (3111) is gradually reduced from the bottom end to the top end, a centering block (313) is installed in the central channel (3111) at the bottom end of the central channel (3111), a centering hole for the lifting rod (32) to pass through is formed in the center of the centering block (313), and the lifting rod (32) is in clearance fit with the centering hole.
5. The central lifting mechanism (3) of full-automatic mahjong machine according to claim 4, characterized in that the inner peripheral wall of the centering hole is formed with a plurality of deformed grooves (3135), the length extension direction of all the deformed grooves (3135) is consistent with the lifting direction of the lifting rod (32).
6. The central lifting mechanism (3) of a full automatic mahjong machine according to claim 4, wherein the centering block (313) has an outer ring (3131) closely attached to the inner wall of the central channel (3111) and an inner ring (3132) in clearance fit with the lifting rod (32), the outer ring (3131) and the inner ring (3132) are connected in a U shape, a plurality of supporting plates (3133) radially arranged are circumferentially distributed in a chamber surrounded by the outer ring (3131) and the inner ring (3132), the supporting plates (3133) divide the chamber into a plurality of deformation chambers (3134), and the outer ring (3131), the inner ring (3132) and the supporting plates (3133) are uniformly arranged.
7. The central lifting mechanism (3) of the full-automatic mahjong machine according to any one of claims 2 to 6, wherein a rocker arm seat (51) arranged in parallel with the U-shaped bracket (312) is fixedly installed on the bottom surface of the base (1), the rocker arm (52) is rotatably connected with the rocker arm seat (51) through a mandrel (521), the driving mechanism (4) is used for driving the mandrel (521) to rotate, and a transmission piece is arranged between the rocker arm (52) and the lifting rod (32).
8. The central lifting mechanism (3) of a full-automatic mahjong machine according to claim 7, wherein the transmission member comprises a transmission seat (55) fixed on the periphery of the lifting rod (32), one side of the transmission seat (55) facing the rocker arm (52) is provided with an expansion wing plate (56), the rocker arm (52) abuts against the bottom surface of the expansion wing plate (56), and the distance between the rocker arm (52) and the two end surfaces of the expansion wing plate (56) is greater than or equal to the action radius of the rocker arm (52).
9. The central lifting mechanism (3) of the full-automatic mahjong machine as claimed in claim 7, wherein the top end of the lifting rod (32) is provided with an operating panel, a main control panel is arranged in the operating panel, one side of the rocker arm (52) facing the rocker arm seat (51) is provided with a magnet, one side of the rocker arm seat (51) facing the rocker arm (52) is provided with a magnetic control sensor (34) connected with the main control panel; the magnetic control sensor (34) is provided with two magnetic control sites (341), the positions of the two magnetic control sites (341) correspond to the highest point and the lowest point of an action path of a magnet on the rocker arm (52), and the main control board is used for receiving an output signal of the magnetic control sensor (34) and controlling the start and stop of the driving mechanism (4) according to the output signal.
10. The central lifting mechanism (3) of a full-automatic mahjong machine according to claim 9, wherein a semicircular welding plate (33) is fixedly installed on one side of the rocker arm base (51) facing the U-shaped bracket (312), two magnetic control sites (341) are respectively installed on two open ends of the semicircular welding plate (33), the middle part of the semicircular welding plate (33) extends outwards to form an ear part (331), and a connection terminal (342) connected with the main control plate is arranged on the ear part (331).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920158664.9U CN210229111U (en) | 2019-01-29 | 2019-01-29 | Central lifting mechanism of full-automatic mahjong machine |
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| CN201920158664.9U CN210229111U (en) | 2019-01-29 | 2019-01-29 | Central lifting mechanism of full-automatic mahjong machine |
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| CN210229111U true CN210229111U (en) | 2020-04-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109908572A (en) * | 2019-01-29 | 2019-06-21 | 王彬 | The central elevating mechanism of automatic mahjong machine |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109908572A (en) * | 2019-01-29 | 2019-06-21 | 王彬 | The central elevating mechanism of automatic mahjong machine |
| CN109908572B (en) * | 2019-01-29 | 2023-12-19 | 王彬 | Center lifting mechanism of full-automatic mahjong machine |
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