CN220939056U - Tile pushing assembly in pushing mechanism of mah-jong machine - Google Patents

Abstract

The utility model belongs to the technical field of mahjong pieces and discloses a tile pushing assembly in a tile pushing and lifting mechanism of a mahjong machine, which comprises a fixing frame, a tile pushing piece, a rotating shaft, a swinging rod and a driving assembly, wherein the rotating shaft is used for pushing the mahjong tiles, the swinging rod is rotationally connected to the fixing frame, the swinging rod is fixed with the rotating shaft, the driving assembly is used for driving the rotating shaft to periodically rotate, the driving assembly is arranged on the fixing frame, the rotating axis of the rotating shaft is a first axis, the swinging rod is hinged with the tile pushing piece, the hinging axis is a second axis, the connecting rod is hinged with the fixing frame, the hinging axis is a third axis, the connecting rod is hinged with the tile pushing piece, the hinging axis is a fourth axis, the first axis, the second axis, the third axis and the fourth axis are arranged in parallel, and projection points of the first axis, the second axis, the fourth axis and the third axis on a plane perpendicular to the axis of the rotating shaft are sequentially connected to form a parallelogram. So that the card pushing piece does not rotate and keeps the upper layer and the lower layer of the card strip flush.

Description

Tile pushing assembly in pushing mechanism of mah-jong machine

Technical Field

The utility model relates to the technical field of mahjong machines, in particular to a tile pushing assembly in a pushing mechanism of a mahjong machine.

Background

In order to accomplish automatic playing, the automatic mahjong machine in the prior art is generally provided with a mahjong pushing mechanism for pushing mahjong tiles to a tile lifting assembly. For example, in the prior art cn201720628918.X, a push-up mechanism of an electric card arranging machine is disclosed, the card pushing assembly includes a card bearing platen, a card pushing plate and a slider assembly mounted on the card bearing platen, and the push rod assembly pushes the card pushing plate to move back and forth through the slider assembly. However, the card pushing mechanism in the patent adopts the structure of the guide shaft sliding block to keep the card pushing plate to push cards in parallel, so that the occupied space is large, and the precision requirement of parts is high.

Some prior art improvements have eliminated the slider assembly and reduced the space occupation. For example, in the prior art CN201910790575.0, a card pushing head driving mechanism is disclosed, a first swing arm and a second swing arm are further provided in the head box, the lower end of the first swing arm and the lower end of the second swing arm are hinged to the head box, the lower part of the first swing arm is movably matched with a first card pushing wheel, the lower part of the second swing arm is movably matched with a second card pushing wheel, the upper part of the first swing arm is movably matched with the first card pushing head, the upper part of the second swing arm is movably matched with the second card pushing head, the card pushing motor drives the first card pushing wheel to rotate forward so as to drive the first swing arm to swing, so as to push the first card pushing head to push cards, and the card pushing motor drives the second card pushing wheel to rotate reversely so as to drive the second swing arm to swing, so as to push the second card pushing head to push cards. However, in the prior art, the card pushing piece rotates in the card pushing process, so that the upper layer and the lower layer of the card strip are not flush.

Disclosure of utility model

The utility model provides a tile pushing component in a tile pushing and lifting mechanism of a mahjong machine, which aims to overcome the defect that the upper layer and the lower layer of mahjong tiles are not flush due to rotation of tile pushing pieces in a tile pushing mechanism in the prior art, so that the tile pushing pieces are not rotated, and the upper layer and the lower layer of tile strips are kept flush.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a tile pushing component among mahjong machine pushing mechanism, includes the mount, is arranged in pushing away the tile spare of mahjong tile, rotates the pivot of being connected in the mount, with the fixed pendulum rod of pivot, be used for driving the pivot and do periodic rotation's drive assembly, drive assembly installs in the mount, the axis of rotation of pivot is first axis, the pendulum rod is articulated with pushing away the tile spare and this articulated axis is the second axis, still includes the connecting rod, the connecting rod is articulated with the mount and this articulated axis is the third axis, the connecting rod is articulated with pushing away the tile spare and this articulated axis is the fourth axis, first axis, second axis, third axis and fourth axis parallel arrangement, and first axis, second axis, fourth axis and third axis connect gradually the parallelogram at the projection point on the plane of perpendicular to pivot axis.

In the technical scheme, the projection points of the first axis, the second axis, the third axis and the fourth axis on the plane perpendicular to the axis of the rotating shaft are sequentially connected to form a parallelogram, opposite sides of the parallelogram are parallel, the tile pushing piece is positioned on the connecting line of the second axis and the fourth axis, the opposite sides of the parallelogram are projected on the axial direction by the connecting line of the first axis and the third axis, the positions of the first axis and the third axis are unchanged in the tile pushing process, so that when the driving assembly drives the rotating shaft to rotate, the tile pushing piece translates and does not rotate, the contact surface of the tile pushing piece with the mahjong tile is always vertical, and the upper layer and the lower layer of the tile bar are kept flush. Meanwhile, the slide block assembly is omitted, the occupied space of the tile pushing mechanism is reduced, the capacity of the tile shuffling barrel can be increased due to redundant space, the tile shuffling barrel can be used for larger tiles, and the practicability of the mahjong machine is improved. The axial projection means projection in the axial direction of the rotation shaft.

The utility model is further arranged to: the number of the swinging rods is two, the two swinging rods are arranged at intervals along the axial direction of the rotating shaft, and the connecting rod is arranged between the two swinging rods.

According to the technical scheme, mahjong tiles in the mahjong machine are axially arranged, the mahjong tiles are hinged with the tile pushing piece through the two swing rods and fixed with the rotating shaft, and meanwhile, the force supporting points of the tile pushing piece are increased at axial intervals, so that the torsion resistance of the tile pushing piece can be improved, the stability of the tile pushing piece can be improved, the torsion deflection risk of the tile pushing piece is reduced, the mahjong tiles in the axial direction can be contacted with the tile pushing piece, and the pushed mahjong tiles can be leveled in the axial direction. In addition, the two swing rods are hinged with the tile pushing piece and fixed with the rotating shaft, and meanwhile, the stress supporting points of the tile pushing piece are increased at axial intervals, so that the tile pushing piece is stressed more uniformly, the reactive force of the tile pushing piece is also more uniform, the wear deformation caused by uneven stress of the swing rods is reduced, the fault rate of the mahjong machine is reduced, the effective service life of the mahjong machine is further ensured, in particular, the stress of the swing rods and the tile pushing piece is balanced, the wear deformation caused by uneven stress of the swing rods is reduced, the running noise of the tile pushing structure can be reduced, and the use experience of the mahjong machine of a user is improved. In addition, the two swing rods are arranged at intervals along the axial direction of the rotating shaft, so that the tile pushing piece can be prevented from swinging up and down, the connecting rod is arranged between the two swing rods, the stress of the swing rods is balanced, the unilateral abrasion of the swing rods is reduced, the abrasion and deformation of the swing rods and the tile pushing piece are further reduced, the failure rate of the mahjong machine is reduced, and the service life of the mahjong machine is further ensured.

The utility model is further arranged to: the card pushing piece comprises a card pushing support and a card pushing plate connected to the card pushing support, the connecting rod and the swing rod are respectively hinged to the card pushing support, and the card pushing plate is provided with a vertically arranged card pushing surface.

According to the technical scheme, the connecting rod drives the tile pushing support to swing, the swing rod supports the tile pushing support and swings along with the tile pushing support, and the tile pushing support drives the tile pushing surface to translate, so that mahjong tiles are pushed, and tile pushing actions are completed. When the card pushing piece swings and translates in a parallelogram mode, the card pushing surface is vertically arranged on the card pushing plate, and the card pushing surface can translate in a vertical state and keep the upper layer and the lower layer of the card strip to be level.

The utility model is further arranged to: the card pushing plate is provided with two kidney-shaped holes which are arranged along the axial direction of the rotating shaft at intervals, the length direction of each kidney-shaped hole is perpendicular to the card pushing surface, the card pushing support is provided with a threaded hole corresponding to the kidney-shaped hole and a bolt connected with the threaded hole, and the bolt penetrates through the corresponding kidney-shaped hole and compresses the card pushing plate.

According to the technical scheme, the tile pushing plate passes through the waist-shaped holes on the tile pushing plate through the bolts to be pressed and fixed with the tile pushing support, and when the tile pushing surface is inclined relative to the axial direction of the rotating shaft after the tile pushing plate and the tile pushing support are installed, the position of the tile pushing surface can be adjusted through the redundant length of the waist-shaped holes, so that the normal pushing of the mahjong tiles is ensured; meanwhile, the device can be adjusted through the kidney-shaped holes to accommodate errors in installation and manufacture of the card pushing support, the swing rod and the connecting rod, so that the manufacturing precision of parts is reduced, and the difficulty in production and debugging is reduced. The length direction of the waist-shaped hole is perpendicular to the card pushing surface, so that the length direction of the waist-shaped hole is consistent with the adjusting direction. In addition, the distance between the card pushing surface and the card pushing support can be adjusted through the kidney-shaped hole. In addition, the waist-shaped holes are two, so that the card pushing plate and the card pushing support are provided with two fixed points, the principle of two-point fixing is met, and the card pushing plate can be ensured to be fixed and not to rotate.

The utility model is further arranged to: two groups of connecting holes are formed in the card pushing plate at intervals along the axial direction of the rotating shaft, each group of connecting holes comprises at least one through hole, at least two through holes in each group of connecting holes are arranged at intervals along the direction perpendicular to the card pushing surface, threaded holes corresponding to the connecting holes and bolts connected to the threaded holes are formed in the card pushing support, and the bolts penetrate through the through holes in the corresponding connecting holes and compress the card pushing plate.

According to the technical scheme, the tile pushing plate passes through the connecting holes on the tile pushing plate through the bolts to be pressed and fixed with the tile pushing support, and when the tile pushing surface is inclined relative to the axial direction of the rotating shaft after the tile pushing plate and the tile pushing support are installed, the position of the tile pushing surface can be adjusted through the redundant holes of each group of connecting holes, so that the normal pushing of the mahjong tiles is ensured; meanwhile, the assembly and manufacturing errors of the card pushing support, the swing rod and the connecting rod can be accommodated through redundant hole adjustment, so that the manufacturing precision of parts is reduced, and the difficulty of production and debugging is reduced. Wherein, every group connecting hole along with push away the direction interval setting that the tablet face is perpendicular for connecting hole direction arrangement direction is unanimous with the regulation direction. In addition, the distance between the card pushing surface and the card pushing support can be adjusted through connection. In addition, the connecting holes are two groups, so that the card pushing plate and the card pushing support are provided with two fixed points, the two-point fixing principle is met, and the card pushing plate can be ensured to be fixed and not to rotate.

The utility model is further arranged to: the connection position of the swing rod and the rotating shaft is provided with a reinforcing sleeve, and the reinforcing sleeve is sleeved on the outer side of the swing rod and the rotating shaft.

According to the technical scheme, the connecting position strength is increased by sleeving the reinforcing sleeve on the outer side of the connecting position of the connecting rod and the rotating shaft, so that the risk of deformation of the connecting position of the connecting rod and the rotating shaft is reduced, the failure rate of the mahjong machine can be reduced, and the effective service life of the mahjong machine is ensured.

The utility model is further arranged to: the driving assembly comprises a motor, a driving gear, a driven gear, a cam and a swing arm, wherein the driving gear and the driven gear are respectively connected with the fixing frame in a rotating mode, the motor is arranged on the fixing frame and connected with driving gear transmission, the driving gear is meshed with the driven gear, the cam is coaxially fixed with the driven gear, one end of the swing arm is fixed with the rotating shaft, and the other end of the swing arm is connected with the cam transmission.

In the technical scheme, the motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate, the cam follows the driven gear to coaxially rotate, and the cam drives the swing arm to rotate. In the technical scheme, through gear transmission, the transmission efficiency is high, the power loss is small, meanwhile, the gear transmission precision and stability are better, the transmission process is more stable, the fault rate of the mahjong machine is reduced, and the effective service life of the mahjong machine can be ensured. In addition, gear transmission can realize different transmission ratios through selecting the gear combinations with different sizes, can select the transmission ratio which is favorable for enabling the tile pushing process to run more stably, so that the mahjong machine runs more stably, and further the use experience of a user can be improved.

The utility model is further arranged to: the cam is provided with a driving curved surface for driving the swing arm to swing, and the rotating shaft is provided with a torsion spring for propping the swing arm against the driving curved surface; or, a driving groove for driving the swing arm to swing is formed in the cam, and one end of the swing arm is arranged in the driving groove.

Among the above-mentioned technical scheme, the cam drives the swing arm swing through being equipped with driving curved surface or drive groove, wherein when driving the swing arm swing through driving curved surface, is equipped with the torsional spring in the pivot, makes the swing arm support tightly at driving curved surface through the torsional spring, eliminates driving curved surface and swing arm transmission clearance, guarantees driven accuracy nature, can make to push away the tablet action accurate, is favorable to promoting user's use and experiences. In addition, when driving the swing arm through the drive slot and swinging, through locating the one end of swing arm in the drive slot for the swing arm receives the restriction of drive slot, guarantees the driven accuracy nature, can make to push away the tablet action accurate, is favorable to promoting user's use and experiences.

The utility model is further arranged to: and an avoidance groove for avoiding the swing rod and the connecting rod is formed in the fixing frame.

According to the technical scheme, when a card is pushed, the swing rod and the connecting rod deflect towards the fixed frame, and interference between the swing rod and the connecting rod and the fixed frame is avoided through the arrangement of the avoidance groove, so that normal completion of the card pushing action is ensured.

The beneficial effects of the utility model are as follows: when the driving component drives the swing arm to swing and drive, the tile pushing piece translates without rotating, and can keep relative static relative to the mahjong tile in the tile pushing process without relative movement, so that the pushing process of the mahjong tile is smoother; meanwhile, the mahjong tile pushing device does not move relatively, so that friction between the mahjong tile pushing piece and the mahjong tile is reduced, and noise can be reduced. Meanwhile, the slide block assembly is omitted, the occupied space of the tile pushing mechanism is reduced, the capacity of the tile shuffling barrel can be increased due to redundant space, the tile shuffling barrel can be used for larger tiles, and the practicability of the mahjong machine is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a movement mechanism of the present utility model;

FIG. 3 is an axial projection schematic of the present utility model;

FIG. 4 is a top view of the present utility model;

FIG. 5 is an enlarged view at A in FIG. 4;

Fig. 6 is an enlarged view at B in fig. 4.

In the figure: a fixing frame 100; a relief groove 110; a card pusher 200; a card pushing support 210; a card pusher 220; kidney-shaped aperture 221; a connection hole 222; a card pushing surface 230; a rotation shaft 300; swing arm 400; swing rod 500; a reinforcing sleeve 510; a drive assembly 600; a motor 610; a driving gear 620; driven gear 630; a cam 640; a link 700.

Detailed Description

In the description of the present embodiment, it should be noted that, if the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", "front", "rear", etc. appear, the indicated orientation or positional relationship is based on that shown in the drawings, only for convenience of description and simplification of the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and therefore, it should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, as presented herein, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model is further described below with reference to the drawings and specific embodiments.

As shown in fig. 1 to 6, a tile pushing assembly in a tile pushing and lifting mechanism of a mahjong machine comprises a fixing frame 100, a tile pushing piece 200 for pushing mahjong tiles, a rotating shaft 300 rotatably connected to the fixing frame 100, a swing arm 400 with one end fixed to the rotating shaft 300, a swing rod 500 with one end fixed to the rotating shaft 300, and a driving assembly 600 for driving the rotating shaft 300 to periodically rotate, wherein the driving assembly 600 is mounted on the fixing frame 100, the rotating axis of the rotating shaft 300 is a first axis, one end of the swing rod 500 is hinged to the tile pushing piece 200, the hinging axis is a second axis, the hinging axis is a connecting rod 700 is hinged to the fixing frame 100, the hinging axis is a third rotating shaft, the connecting rod 700 is hinged to the tile pushing piece 200, the hinging axis is a fourth rotating shaft, the first axis, the second axis, the third axis and the fourth axis are arranged in parallel, and projection points of the first axis, the second axis, the fourth axis and the third axis on a plane perpendicular to the axis of the rotating shaft 300 are sequentially connected to form a parallelogram. As shown in fig. 3, the first axis is projected in the axial direction as S1, the second axis is projected in the axial direction as S2, the first axis is projected in the axial direction as S3, and the first axis is projected in the axial direction as S4. The axial projection in this embodiment refers to projection in the axial direction of the rotating shaft 300.

In this embodiment, the projection points on the planes of the first axis, the second axis, the third axis and the fourth axis perpendicular to the axis of the rotating shaft 300 are sequentially connected to form a parallelogram, opposite sides of the parallelogram are parallel, the card pushing member 200 is located on the connecting line of the second axis and the fourth axis, and the opposite sides of the parallelogram are projected on the axial direction by the connecting line of the first axis and the third axis, wherein the positions of the first axis and the third axis are unchanged in the card pushing process, so when the driving assembly 600 drives the swing arm 400 to swing and drive, the card pushing member 200 translates without rotating, the surface of the card pushing member, which is released from the mahjong tiles, is kept perpendicular, and the upper layer and the lower layer of the card bar are kept flush. Meanwhile, the slide block assembly is omitted, the occupied space of the tile pushing mechanism is reduced, the capacity of the tile shuffling barrel can be increased due to redundant space, the tile shuffling barrel can be used for larger tiles, and the practicability of the mahjong machine is improved.

Specifically, as shown in fig. 1 and 2, the card pushing member 200 includes a card pushing bracket 210 and a card pushing plate 220 connected to the card pushing bracket 210, wherein a link 700 and a swing rod 500 are respectively hinged to the card pushing bracket 210, and a vertically arranged card pushing surface 230 is provided on the card pushing plate 220. The link 700 drives the tile pushing support 210 to swing, the swing rod 500 supports the tile pushing support 210 and swings along with the tile pushing support 210, and the tile pushing support 210 drives the tile pushing surface 230 to translate, so that mahjong tiles are pushed, and tile pushing actions are completed. When the card pushing member 200 swings and translates in a parallelogram form, the card pushing surface 230 is vertically arranged on the card pushing plate 220, and the card pushing surface 230 can translate in a vertical state, so that the upper layer and the lower layer of the card strip are kept level.

Specifically, as shown in fig. 1 and 2, the driving assembly 600 includes a motor 610, a driving gear 620, a driven gear 630, a cam 640 and a swing arm 400, the driving gear 620 and the driven gear 630 are respectively rotatably connected with the fixing frame 100, the motor 610 is mounted on the fixing frame 100, an output shaft of the motor 610 is fixedly connected with the driving gear 620 coaxially, the driving gear 620 is meshed with the driven gear 630, the cam 640 is fixedly connected with the driven gear 630 coaxially, one end of the swing arm 400 is fixedly connected with the rotating shaft 300, and the swing arm 400 is in transmission connection with the cam 640. The motor 610 drives the driving gear 620 to rotate, the driving gear 620 drives the driven gear 630 to rotate, the cam 640 coaxially rotates with the driven gear 630, and the cam 640 drives the swing arm 400 to rotate. The transmission efficiency is high, the power loss is small, meanwhile, the gear transmission precision and stability are better, the transmission process is more stable, the fault rate of the mahjong machine is reduced, and the effective service life of the mahjong machine can be ensured. In addition, gear transmission can realize different transmission ratios through selecting the gear combinations with different sizes, can select the transmission ratio which is favorable for enabling the tile pushing process to run more stably, so that the mahjong machine runs more stably, and further the use experience of a user can be improved.

Specifically, the cam 640 is provided with a driving curved surface for driving the swing arm 400 to swing, and the rotating shaft 300 is provided with a torsion spring for abutting the swing arm 400 on the driving curved surface. Cam 640 drives swing arm 400 swing through being equipped with driving curved surface or drive groove, wherein when driving swing arm 400 swing through driving curved surface, is equipped with the torsional spring on the pivot 300, makes swing arm 400 support tightly at driving curved surface through the torsional spring, eliminates driving curved surface and swing arm 400 transmission clearance, guarantees driven accuracy nature, can make to push away the tablet action accurate, is favorable to promoting user's use experience. It will be appreciated that in another embodiment, the cam 640 is provided with a driving slot for driving the swing arm 400 to swing, and one end of the swing arm 400 is disposed in the driving slot. When driving swing arm 400 swing through the drive groove, through locating the one end of swing arm 400 in the drive groove for swing arm 400 receives the restriction of drive inslot, guarantees driven accuracy nature, can make to push away the tablet action accurate, is favorable to promoting user's use experience.

Specifically, as shown in fig. 4 and 5, the fixing frame 100 is provided with a avoidance groove 110 for avoiding the swing link 500 and the link 700. When the card is pushed, the swing rod 500 and the connecting rod 700 deflect towards the fixed frame 100, and interference between the swing rod 500 and the connecting rod 700 and the fixed frame 100 is avoided by arranging the avoidance groove 110, so that normal completion of card pushing action is ensured.

In order to balance the stress of the card pushing mechanism, the first axis and the third axis are at the same height, and the second axis and the fourth axis are at the same height. The first axis and the third axis are positioned at the same height, and the second axis and the fourth axis are positioned at the same height, so that the generation of asymmetric moment can be prevented, and then the generation of overturning moment in the motion process of the card pushing structure can be prevented, the card pushing structure can be enabled to run more balanced and stable, the card pushing process is enabled to be smoother, and the card pushing structure is beneficial to improving the use experience of users.

In order to facilitate stability of the card pushing mechanism, as shown in fig. 1 and 2, the number of the swing rods 500 is two, the two swing rods 500 are arranged at intervals along the axial direction of the rotating shaft 300, and the connecting rod 700 is arranged between the two swing rods 500. The mahjong pieces in the mahjong machine are arranged along the axial direction, the two swing rods 500 are hinged with the mahjong piece pushing piece 200 and are fixed with the rotating shaft 300, and meanwhile, the two swing rods are arranged at intervals in the axial direction, so that the stress supporting points of the mahjong piece pushing piece 200 are increased, the torsion resistance of the mahjong piece pushing piece 200 can be improved, the stability of the mahjong piece pushing piece 200 can be improved, the torsion and deflection risk of the mahjong piece pushing piece 200 is reduced, the mahjong pieces in the axial direction can be contacted with the mahjong piece pushing piece 200, and the pushed mahjong pieces can be leveled in the axial direction. In addition, the two swing rods 500 are hinged with the tile pushing piece 200 and fixed with the rotating shaft 300, and meanwhile, the stress supporting points of the tile pushing piece 200 are increased at axial intervals, so that the tile pushing piece 200 is stressed more uniformly, the reactive force of the swing rods 500 on the tile pushing piece 200 is also more uniform, the wear deformation caused by uneven stress of the swing rods 500 is reduced, the fault rate of the mahjong machine is reduced, the effective service life of the mahjong machine is further ensured, in particular, the stress of the swing rods 500 and the tile pushing piece 200 is balanced, the wear deformation caused by uneven stress of the swing rods 500 is reduced, the running noise of tile pushing structures can be reduced, and the use experience of the mahjong user machine is improved. In addition, the two swing rods 500 are arranged at intervals along the axial direction of the rotating shaft 300, so that the tile pushing piece 200 can be prevented from swinging up and down, the connecting rod 700 is arranged between the two swing rods 500, so that the swing rods 500 are stressed and balanced, single-side abrasion of the swing rods 500 is reduced, abrasion and deformation of the swing rods 500 and the tile pushing piece 200 are further reduced, the failure rate of the mahjong machine is reduced, and the service life of the mahjong machine is further ensured.

In order to facilitate the installation of the card pushing mechanism, as shown in fig. 4 to 6, two kidney-shaped holes 221 are formed on the card pushing plate 220 at intervals along the axial direction of the rotating shaft 300, the length direction of the kidney-shaped holes 221 is perpendicular to the card pushing surface 230, threaded holes corresponding to the kidney-shaped holes 221 and bolts connected to the threaded holes are formed on the card pushing support 210, and the bolts penetrate through the corresponding kidney-shaped holes 221 and press the card pushing plate 220. The tile pushing plate 220 passes through the waist-shaped holes 221 on the tile pushing plate 220 to be tightly pressed and fixed with the tile pushing bracket 210 through bolts, and when the tile pushing surface 230 is inclined axially relative to the rotating shaft 300 after the tile pushing plate 220 and the tile pushing bracket 210 are installed, the redundant length of the waist-shaped holes 221 can be used for adjusting and aligning the position of the tile pushing surface 230, so that the normal pushing of mahjong tiles is ensured; meanwhile, the card pushing support 210, the swing rod 500 and the connecting rod 700 can be accommodated through the kidney-shaped hole 221, so that errors in installation and manufacturing of the card pushing support 210, the swing rod 500 and the connecting rod 700 are accommodated, the manufacturing precision of parts is reduced, and the difficulty in production and debugging is reduced. The length direction of the kidney-shaped hole 221 is perpendicular to the card pushing surface 230, so that the length direction of the kidney-shaped hole 221 is consistent with the adjustment direction. In addition, the distance between the card pushing surface 230 and the card pushing bracket 210 can be adjusted through the kidney-shaped hole 221. In addition, the number of the kidney-shaped holes 221 is two, so that the card pushing plate 220 and the card pushing bracket 210 have two fixing points, which conform to the two-point fixing principle, and the card pushing plate 220 can be ensured to be fixed and not rotate.

It will be appreciated that in another embodiment, the two kidney-shaped holes 221 may be replaced by two sets of connecting holes 222, specifically, as shown in fig. 4 to 6, two sets of connecting holes 222 are disposed on the card pushing plate 220 at intervals along the axial direction of the rotating shaft 300, each set of connecting holes 222 includes at least one through hole, at least two through holes in each set of connecting holes 222 are disposed at intervals along the direction perpendicular to the card pushing surface 230, threaded holes corresponding to the connecting holes 222 and bolts connected to the threaded holes are disposed on the card pushing bracket 210, and the bolts pass through the through holes in the corresponding connecting holes 222 and press the card pushing plate 220. The tile pushing plate 220 passes through the connecting holes 222 on the tile pushing plate 220 to be tightly pressed and fixed with the tile pushing bracket 210 through bolts, and when the tile pushing surface 230 is inclined axially relative to the rotating shaft 300 after the tile pushing plate 220 and the tile pushing bracket 210 are installed, the position of the tile pushing surface 230 can be adjusted through redundant holes of each group of connecting holes 222, so that the normal pushing of mahjong tiles is ensured; meanwhile, the assembly and manufacturing errors of the card pushing support 210, the swing rod 500 and the connecting rod 700 can be accommodated through redundant hole adjustment, so that the manufacturing precision of parts is reduced, and the difficulty of production and debugging is reduced. Wherein, each group of connecting holes 222 is arranged at intervals along the direction perpendicular to the card pushing surface 230, so that the direction of arranging the connecting holes 222 is consistent with the adjusting direction. In addition, the distance between the card pushing surface 230 and the card holder 210 can be adjusted by connection. In addition, the two sets of connecting holes 222 enable the card pushing plate 220 and the card pushing bracket 210 to have two fixing points, which accords with the two-point fixing principle, and can ensure that the card pushing plate 220 is fixed and does not rotate. Of course, the number of the connection holes 222 of each group may be specifically determined according to the adjustment requirement, for example, in one embodiment, each group of connection holes 222 includes four through holes; specifically, to increase the amount of adjustment, in one embodiment, each set of connection holes 222 includes three through holes; specifically, to reduce cost, in one embodiment, each set of connection holes 222 includes two through holes.

In order to increase the connection strength between the swing rod 500 and the rotating shaft 300, as shown in fig. 2, a reinforcing sleeve 510 is disposed at the connection position between the swing rod 500 and the rotating shaft 300, and the reinforcing sleeve 510 is sleeved outside the swing rod 500 and the rotating shaft 300. The reinforcing sleeve 510 is sleeved outside the connecting position of the connecting rod 700 and the rotating shaft 300, so that the strength of the connecting position is increased, the risk of deformation of the connecting position of the connecting rod 700 and the rotating shaft 300 is reduced, the failure rate of the mahjong machine can be reduced, and the effective service life of the mahjong machine is ensured.

The card pushing process of the card pushing mechanism comprises the following steps: the motor 610 drives the driving gear 620 to rotate, the driving gear 620 drives the driven gear 630 to rotate, the cam 640 rotates along with the driving gear 630 coaxially, the cam 640 drives the swing arm 400 to rotate, the swing arm 400 drives the connecting rod 700 to swing, meanwhile, the swing arm 400 drives the rotating shaft 300 to rotate, the rotating shaft 300 drives the swing rod 500 to swing, the card pushing support 210 is driven by the connecting rod 700 and the swing rod 500 to translate, the card pushing support 210 drives the card pushing plate 220 to translate, so that the card pushing surface 230 is driven to translate, the card pushing surface 230 pushes out mahjong pieces, and after the card pushing surface 230 is pushed out, the torsion spring arranged by the driving assembly 600 drives the card pushing surface to return to an initial state.

The foregoing embodiments are provided for further explanation of the present utility model and are not to be construed as limiting the scope of the present utility model, and some insubstantial modifications and variations of the present utility model, which are within the scope of the utility model, will be suggested to those skilled in the art in light of the foregoing teachings.

Claims (9)

1. The utility model provides a tile pushing component among mahjong machine pushing mechanism, includes the mount, is arranged in pushing away the tile spare of mahjong, rotates the pivot of being connected in the mount, with the fixed pendulum rod of pivot, be used for driving the pivot and do periodic rotation's drive assembly, drive assembly installs in the mount, the axis of rotation of pivot is first axis, the pendulum rod is articulated with pushing away the tile spare and this articulated axis is the second axis, characterized by still includes the connecting rod, the connecting rod is articulated with the mount and this articulated axis is the third axis, the connecting rod is articulated with pushing away the tile spare and this articulated axis is the fourth axis, first axis, second axis, third axis and fourth axis parallel arrangement, and first axis, second axis, fourth axis and third axis connect gradually the parallelogram at the projection point on the plane of perpendicular to pivot axis.

2. The tile pushing assembly in the tile pushing mechanism of the mahjong machine according to claim 1, wherein the number of the swing rods is two, the two swing rods are arranged at intervals along the axial direction of the rotating shaft, and the connecting rod is arranged between the two swing rods.

3. The tile pushing assembly in the tile pushing mechanism of the mahjong machine according to claim 1, wherein the tile pushing piece comprises a tile pushing support and a tile pushing plate connected to the tile pushing support, the connecting rod and the swinging rod are respectively hinged to the tile pushing support, and the tile pushing plate is provided with a tile pushing surface which is vertically arranged.

4. The tile pushing assembly in the tile pushing and lifting mechanism of the mahjong machine according to claim 3, wherein the tile pushing plate is provided with two waist-shaped holes which are arranged at intervals along the axial direction of the rotating shaft, the length direction of each waist-shaped hole is perpendicular to the tile pushing surface, the tile pushing support is provided with a threaded hole corresponding to the waist-shaped hole and a bolt connected with the threaded hole, and the bolt penetrates through the corresponding waist-shaped hole and presses the tile pushing plate.

5. A tile pushing assembly in a tile pushing and lifting mechanism of a mahjong machine according to claim 3, wherein the tile pushing plate is provided with two groups of connecting holes which are arranged at intervals along the axial direction of the rotating shaft, each group of connecting holes comprises at least one through hole, the tile pushing support is provided with a threaded hole corresponding to the connecting hole and a bolt connected with the threaded hole, and the bolt penetrates through the through hole in the corresponding connecting hole and presses the tile pushing plate.

6. The tile pushing assembly in the pushing and lifting mechanism of the mahjong machine according to any one of claims 1 to 5, wherein a reinforcing sleeve is arranged at the connection position of the swing rod and the rotating shaft, and the reinforcing sleeve is sleeved outside the swing rod and the rotating shaft.

7. The tile pushing assembly in a tile pushing mechanism of any one of claims 1 to 5, wherein the driving assembly comprises a motor, a driving gear, a driven gear, a cam and a swing arm, the driving gear and the driven gear are respectively in rotational connection with the fixed frame, the motor is mounted on the fixed frame and in driving gear transmission connection, the driving gear is meshed with the driven gear, the cam is coaxially fixed with the driven gear, one end of the swing arm is fixed with the rotating shaft, and the other end of the swing arm is in driving connection with the cam.

8. The tile pushing assembly in the tile pushing mechanism of the mahjong machine according to claim 7, wherein the cam is provided with a driving curved surface for driving the swing arm to swing, and the rotating shaft is provided with a torsion spring for propping the swing arm against the driving curved surface; or, a driving groove for driving the swing arm to swing is formed in the cam, and one end of the swing arm is arranged in the driving groove.

9. The tile pushing assembly in a pushing mechanism of a mahjong machine according to any one of claims 1 to 5, wherein the fixing frame is provided with a avoiding groove for avoiding the swing rod and the connecting rod.