CN221181620U - Automatic mahjong machine - Google Patents

Abstract

The utility model discloses an automatic mahjong machine, which comprises a bottom plate, a dice tray, a table top plate and a central lifting mechanism for driving the dice tray to lift relative to the table top plate, wherein the dice tray and the table top plate are arranged above the bottom plate, the central lifting mechanism comprises a central shaft seat fixed with the bottom plate, a lifting shaft connected with the central shaft seat in a sliding manner and a driving device for driving the lifting shaft to lift, the dice tray is fixed at the upper end of the lifting shaft, the automatic mahjong machine further comprises a height adjusting device, the height adjusting device comprises a nut fixed with the bottom plate or the central shaft seat and an adjusting bolt matched with the nut, the adjusting bolt is screwed into the nut and can lift relative to the nut in the rotating process, a positioning block is fixed on the lifting shaft, and when the driving device drives the dice tray to descend to be level with the table top plate, the upper end of the adjusting bolt is abutted against the lower end of the positioning block. The automatic mahjong machine is simple in structure and convenient to adjust in height.

Description

Automatic mahjong machine

Technical Field

The utility model relates to the technical field of mahjong machines, in particular to an automatic mahjong machine with a height adjusting device.

Background

The prior art automatic mahjong machine generally comprises a base plate, a dice tray, a table top board and a central lifting mechanism for driving the dice tray to lift relative to the table top board. In order to ensure the use experience of the automatic mahjong machine, the upper end face of the dice tray is required to be flush with the upper end face of the table board, so that a height adjusting device is required to be arranged in the automatic mahjong machine and used for adjusting the lowest height of the dice tray. However, the existing height adjusting device is complex in structure and is arranged in the automatic mahjong machine, so that the dice tray is inconvenient to adjust in height.

Disclosure of utility model

The utility model provides an automatic mahjong machine, which aims to overcome the defects that a height adjusting device in the existing automatic mahjong machine is complex in structure and inconvenient to adjust, and has the advantages of simple structure and convenience in dice disc height adjustment.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides an automatic mahjong machine, includes bottom plate, cuboid dish, deck plate and is used for the drive the cuboid dish is relative deck plate goes up and down the center elevating system, cuboid dish and deck plate are located the bottom plate top, center elevating system includes the central shaft seat fixed with the bottom plate, sliding connection in the lift axle of center shaft seat and is used for driving the drive arrangement that the lift axle goes up and down, the cuboid dish is fixed in the upper end of lift axle, still includes height adjusting device, height adjusting device includes the nut and the adjusting bolt with the nut adaptation with bottom plate or center shaft seat fixed, adjusting bolt screw in nut and can go up and down at rotatory in-process relative nut, be fixed with the locating piece on the lift axle, drive arrangement drives the cuboid dish descends to with the deck plate level, adjusting bolt's upper end supports tightly in the lower extreme of locating piece.

According to the technical scheme, when the driving device drives the lifting shaft to ascend, the dice tray fixed above the lifting shaft ascends and protrudes out of the table board along with the lifting shaft, a gap between the table board and the dice tray is exposed, mahjong pieces can be pushed into the gap and enter the shuffling tray of the automatic mahjong machine to shuffle the mahjong pieces, when the driving device drives the lifting shaft to descend, the dice tray descends along with the driving device, when the upper end of the adjusting bolt abuts against the lower end of the positioning block, the lifting shaft is blocked and cannot descend continuously, and at the moment, the driving device drives the upper end face of the dice tray to descend to be flush with the upper end face of the table board. When the dice tray descends to the lowest position, the upper end face of the table panel is not level with the upper end face of the dice tray, the height of the upper end of the adjusting bolt can be adjusted in a mode of rotating the adjusting bolt, so that the height of the lifting shaft and the dice tray fixed on the lifting shaft is adjusted, and the upper end face of the dice tray is adjusted to be level with the upper end face of the table panel. The height adjusting device is simple in structure, convenient to adjust, and the height adjusting device is arranged below the bottom plate, the position is hidden, and the whole attractiveness is not affected.

Preferably, the height adjusting device further comprises a sleeve, one end of the adjusting bolt extends into the sleeve and is connected to the sleeve in a sliding manner along the axial direction of the sleeve, one end of the adjusting bolt extending into the sleeve is circumferentially fixed with the sleeve, an electric appliance box is arranged below the bottom plate, and the lower end of the sleeve penetrates out of the electric appliance box.

In the above technical scheme, the sleeve can extend the height adjusting device to the lower part of the electric box, so that the lowest height of the lifting shaft can be conveniently adjusted through the sleeve. And in the sleeve rotation process, the adjusting bolt can freely move along the axial direction of the sleeve, so that the sleeve does not need to move axially when the lowest height of the lifting shaft is adjusted, and only the sleeve is required to be rotated, so that the height adjustment is simpler.

Preferably, a polygonal block is arranged at the lower end of the adjusting bolt, and a polygonal hole matched with the polygonal block is arranged in the sleeve.

In the technical scheme, the polygonal block is matched with the polygonal hole, circumferential fixation of the adjusting bolt and the sleeve can be achieved, and the adjusting bolt can axially slide relative to the sleeve.

Preferably, the lower end face of the electrical box is provided with a containing groove, a limiting groove is formed in the inner wall of the containing groove, a limiting column is arranged at the lower end of the sleeve, a plurality of limiting strips are circumferentially arranged on the outer side wall of the limiting column at intervals, the limiting strips are matched with the limiting groove, and at least one of the limiting strips is matched with the limiting groove when the limiting column is located in the containing groove and used for limiting the sleeve to rotate.

In the above technical scheme, when not needing to carry out altitude mixture control, can press into the holding tank with spacing post, avoid spacing post to expose, and through spacing and spacing groove cooperation, can avoid sleeve and adjusting bolt to take place to rotate, in automatic mahjong machine use, guarantee the stability of adjusting bolt position in the altitude mixture control device.

Preferably, the electrical box is provided with a limiting protrusion for limiting the sleeve to axially slide, and the limiting protrusion is abutted to the lower portion of the limiting post when the limiting post is arranged in the accommodating groove.

Among the above-mentioned technical scheme, can get into spacing protruding top with spacing post extrusion through pressing spacing post, through spacing protruding spacing post axial displacement of restriction, avoid spacing post to break away from the holding tank.

Preferably, the first magnetic attraction piece is arranged on the limit post, the second magnetic attraction piece is arranged in the accommodating groove, and the first magnetic attraction piece and the second magnetic attraction piece are magnetically attracted when the limit post is arranged in the accommodating groove and used for fixing the limit post in the accommodating groove.

In the technical scheme, the first magnetic attraction piece and the second magnetic attraction piece are magnetically attracted, so that the limit column can be kept in the accommodating groove.

Preferably, the center lifting mechanism further comprises a lifting block fixed with the lifting shaft, the driving device comprises a driving assembly for driving the lifting block to lift and a reset spring for driving the lifting shaft to descend, the center shaft seat is sleeved on the outer side of the lifting shaft, a guide groove is formed in the outer wall of the lifting shaft, the guide block matched with the guide groove is fixed on the inner wall of the center shaft seat, the guide block is matched with the guide groove and slides up and down along the guide groove, a supporting block is arranged at one end of the guide groove, the reset spring is arranged in the guide groove, and the two ends of the reset spring are respectively connected with the guide block and the supporting block.

In the above technical scheme, when the drive assembly drives the lifting shaft to rise, the guide block upwards slides along the guide groove, the guide block and the support block are close to each other and squeeze the reset spring, the reset spring is compressed and stored energy, and when the drive assembly descends, the reset spring can quickly downwards press the lifting shaft, so that the lifting shaft can quickly downwards reset. And this scheme relies on reset spring drive lift axle to descend, when meeting the card and hinder the situation, reset spring's elasticity is less to be difficult to the clamp to hinder the finger, also is difficult to damage central elevating system. The guide block is matched with the guide groove, so that the lifting shaft and the central shaft seat can be limited to rotate relatively, and the vertical sliding of the lifting shaft is more stable and reliable. In this scheme reset spring sets up in the lift axle outside side by side, for the scheme of establishing reset spring outside the lift axle, this scheme can reduce reset spring's size. In this scheme reset spring locates the guide way, both can utilize the guide way to carry out flexible direction to reset spring, make reset spring's flexible more stable, be difficult to crooked, can reduce central elevating system's axial dimension again, make central elevating system overall structure compacter.

Preferably, the driving device comprises a crank and a motor arranged on the central shaft seat, the crank comprises an input shaft and an output shaft which are eccentrically arranged, the motor is in transmission connection with the input shaft, and the output shaft is abutted to the lower end face of the lifting block and can transversely move relative to the lifting block.

In the above technical scheme, when the motor drives the crank to rotate, the output shaft can rotate around the input shaft, in the rotation process of the output shaft, the output shaft can move relative to the lifting block in the transverse direction, the motion component of the output shaft in the vertical upward direction can lift the lifting block upwards, the motion component of the output shaft in the vertical downward direction can not drive the lifting block to descend, and when the output shaft is vertically and reversely provided with the motion component displacement, the reset spring drives the lifting shaft to downwards displace and reset.

Preferably, an electric box is arranged below the bottom plate, and the motor is arranged between the bottom plate and the electric box.

Drawings

FIG. 1 is an exploded view of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of the present utility model;

FIG. 5 is a schematic view of the center lifting mechanism of the present utility model;

fig. 6 is a cross-sectional view of a central lifting mechanism in accordance with the present utility model.

In the figure: the center lifting mechanism 100, the lifting shaft 110, the positioning block 111, the guide groove 112, the support block 113, the center shaft seat 120, the guide block 121, the lifting block 130, the driving assembly 140, the crank 141, the input shaft 142, the output shaft 143, the motor 144, the return spring 150, the deck plate 200, the electric box 300, the receiving groove 310, the limiting groove 311, the limiting protrusion 312, the dice tray 400, the bottom plate 500, the height adjusting device 600, the nut 610, the adjusting bolt 620, the polygonal block 621, the sleeve 630, the limiting post 631, the limiting bar 632, and the polygonal hole 633.

Detailed Description

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

Example 1:

as shown in fig. 1 to 6, an automatic mahjong machine comprises a bottom plate 500, a dice tray 400, a table 200, a central lifting mechanism 100 for driving the dice tray 400 to lift relative to the table 200, an electric box 300 arranged below the bottom plate 500, and a height adjusting device 600 for adjusting the lowest height of the dice tray 400, wherein the dice tray 400 and the table 200 are arranged above the bottom plate 500, the central lifting mechanism 100 comprises a central shaft seat 120 fixed with the bottom plate 500, a lifting shaft 110 connected with the central shaft seat 120 in a sliding manner, and a driving device for driving the lifting shaft 110 to lift relative to the central shaft seat 120, the dice tray 400 is fixed at the upper end of the lifting shaft 110, the height adjusting device 600 comprises a nut 610 fixed with the bottom plate 500 and an adjusting bolt 620 matched with the nut 610, the adjusting bolt 620 is screwed into the nut 610 and can lift relative to the nut 610 in the rotating process, the lifting shaft 110 is fixed with a positioning block 111, and the driving device drives the upper end surface of the positioning block 400 to descend to the upper end surface of the positioning block 200 and the upper end of the table 620 is aligned with the upper end of the adjusting bolt 620.

In the above technical solution, the deck plate 200 and the bottom plate 500 are both fixed with the fixing frame of the automatic mahjong machine, when the driving device drives the lifting shaft 110 to rise, the dice tray 400 fixed above the lifting shaft 110 rises and protrudes out of the deck plate 200, a gap between the deck plate 200 and the dice tray 400 is exposed, mahjong tiles can be pushed into the gap and enter the shuffling tray of the automatic mahjong machine to shuffle, when the driving device drives the lifting shaft 110 to descend, the dice tray 400 descends along with the gap, when the upper end of the adjusting bolt 620 abuts against the lower end of the positioning block 111, the lifting shaft 110 is blocked and cannot descend continuously, and at the moment, the driving device drives the upper end face of the dice tray 400 to descend to be flush with the upper end face of the deck plate 200. When the dice tray 400 is lowered to the lowest position, the upper end surface of the table board 200 is not level with the upper end surface of the dice tray 400, the height of the upper end of the adjusting bolt 620 may be adjusted by rotating the adjusting bolt 620, thereby adjusting the height of the elevating shaft 110 and the dice tray 400 fixed on the elevating shaft 110, and adjusting the upper end surface of the dice tray 400 to a level with the upper end surface of the table board 200. The height adjusting device 600 has a simple structure, is convenient to adjust, and the height adjusting device 600 is arranged below the bottom plate 500, so that the position is hidden, and the overall attractiveness is not affected.

Preferably, the height adjusting device 600 further includes a sleeve 630, one end of the adjusting bolt 620 extends into the sleeve 630 and is slidably connected to the sleeve 630 along an axial direction of the sleeve 630, a lower end of the adjusting bolt 620 extends into the sleeve 630 and is provided with a polygonal block 621, a polygonal hole 633 adapted to the polygonal block 621 is provided in the sleeve 630, so as to fix the adjusting bolt 620 and the sleeve 630 circumferentially, and the adjusting bolt 620 can axially slide relative to the sleeve 630. An electric appliance box 300 is arranged below the bottom plate 500, the electric appliance box 300 is fixed with a fixing frame of the automatic mahjong machine, and the lower end of the sleeve 630 penetrates out of the electric appliance box 300. The lower terminal surface of electrical apparatus case 300 is equipped with holding tank 310, be equipped with spacing groove 311 on holding tank 310's the inner wall, sleeve 630 lower extreme is fixed with spacing post 631, the circumference interval is provided with the spacing 632 of a plurality of on the lateral wall of spacing post 631, spacing 632 with spacing groove 311 adaptation, spacing post 631 is located when holding tank 310, at least one of them spacing 632 cooperates with spacing groove 311, is used for the restriction sleeve 630 rotates.

In the above technical solution, the sleeve 630 may extend the height adjusting device 600 below the electrical box 300, so as to facilitate the adjustment of the lowest height of the lifting shaft 110 by the sleeve 630. And in the process of rotating the sleeve 630, the adjusting bolt 620 can freely move along the axial direction of the sleeve 630, so that the sleeve 630 does not need to move axially when the lowest height of the lifting shaft 110 is adjusted, and only the sleeve 630 needs to be rotated, so that the height adjustment is simpler. When the height adjustment is not needed, the limiting column 631 can be pressed into the accommodating groove 310, the limiting column 631 is prevented from being exposed, and the sleeve 630 and the adjusting bolt 620 can be prevented from rotating through the cooperation of the limiting strip 632 and the limiting groove 311, so that the position of the adjusting bolt 620 in the automatic mahjong machine is ensured to be stable in the using process of the automatic mahjong machine.

It will be appreciated that, in one embodiment, the electrical box 300 is provided with a limiting protrusion 312 for limiting the axial sliding movement of the sleeve 630, and the limiting protrusion 312 abuts under the limiting protrusion 631 when the limiting post 631 is disposed in the receiving slot 310. In the above technical solution, the limiting post 631 may be pressed by pressing the limiting post 631 to enter the upper portion of the limiting protrusion 312, and the limiting post 631 is limited to axially move by the limiting protrusion 312, so as to prevent the limiting post 631 from being separated from the accommodating groove 310.

It can be appreciated that in another embodiment, the first magnetic attraction piece is disposed on the limiting post, the second magnetic attraction piece is disposed in the accommodating groove, and when the limiting post is disposed in the accommodating groove, the first magnetic attraction piece and the second magnetic attraction piece are magnetically attracted to fix the limiting post in the accommodating groove. In the technical scheme, the first magnetic attraction piece and the second magnetic attraction piece are magnetically attracted, so that the limit column can be kept in the accommodating groove.

Example 2:

As shown in fig. 1 to 6, on the basis of embodiment 1, the central lifting mechanism 100 further includes a lifting block 130 fixed to the lifting shaft 110, the driving device includes a driving assembly 140 for driving the lifting block 130 to lift and a return spring 150 for driving the lifting shaft 110 to descend, the central shaft seat 120 is sleeved on the outer side of the lifting shaft 110, a guide groove 112 is provided on the outer wall of the lifting shaft 110, a guide block 121 adapted to the guide groove 112 is fixed on the inner wall of the central shaft seat 120, the guide block 121 is matched with the guide groove 112 and slides up and down along the guide groove 112, a support block 113 is provided at one end of the guide groove 112, the return spring 150 is provided in the guide groove 112, and two ends of the return spring 150 are respectively connected with the guide block 121 and the support block 113.

In the above technical solution, when the driving assembly 140 drives the lifting shaft 110 to rise, the guide block 121 slides upwards along the guide groove 112, the guide block 121 and the support block 113 approach each other and press the return spring 150, the return spring 150 is compressed to store energy, and when the driving assembly 140 descends, the return spring 150 can rapidly press the lifting shaft 110 down, so that the lifting shaft 110 rapidly descends and returns. And this scheme relies on reset spring 150 drive lift axle 110 to descend, when meeting the card and hinder the situation, reset spring 150's elasticity is less to be difficult to press from both sides the injury finger, also is difficult to damage central elevating system 100. The guide block 121 cooperates with the guide groove 112 to limit the relative rotation between the lifting shaft 110 and the central shaft seat 120, so that the vertical sliding of the lifting shaft 110 is more stable and reliable. In this embodiment, the return springs 150 are disposed outside the lifting shaft 110 side by side, and the size of the return springs 150 can be reduced compared with the case where the return springs 150 are sleeved outside the lifting shaft 110. In this solution, the return spring 150 is disposed in the guide groove 112, so that the return spring 150 can be guided by extension and retraction of the guide groove 112, so that extension and retraction of the return spring 150 are more stable, and the axial dimension of the central lifting mechanism 100 can be reduced, so that the overall structure of the central lifting mechanism 100 is more compact.

Specifically, the driving device includes a crank 141 and a motor 144 mounted on the central shaft base 120, the crank 141 includes an input shaft 142 and an output shaft 143 that are eccentrically disposed, the motor 144 is in transmission connection with the input shaft 142, and the output shaft 143 abuts against the lower end surface of the lifting block 130 and can move transversely relative to the lifting block 130. The motor 144 is installed between the base plate 500 and the electric box 300.

In the above technical solution, when the motor 144 drives the crank 141 to rotate, the output shaft 143 rotates around the input shaft 142, during the rotation of the output shaft 143, the output shaft 143 may move relative to the lifting block 130 in the lateral direction, the motion component of the output shaft 143 in the vertical upward direction may lift the lifting block 130 upwards, the motion component of the output shaft 143 in the vertical downward direction may not drive the lifting block 130 to descend, and when the output shaft 143 has motion component displacement in the vertical downward reverse direction, the return spring 150 drives the lifting shaft 110 to displace downwards for return.

Claims (9)

1. The utility model provides an automatic mahjong machine, includes bottom plate, cuboid dish, deck plate and is used for the drive the cuboid dish is relative deck plate goes up and down's central elevating system, cuboid dish and deck plate are located the bottom plate top, central elevating system includes the central shaft seat fixed with the bottom plate, sliding connection in the lift axle of central shaft seat and is used for driving the drive arrangement that the lift axle goes up and down, the cuboid dish is fixed in the upper end of lift axle, its characterized in that still includes height adjusting device, height adjusting device includes the nut and the adjusting bolt with the nut adaptation with bottom plate or central shaft seat, adjusting bolt screw in nut and can be in the relative nut lift of rotatory in-process, be fixed with the locating piece on the lift axle, drive arrangement drives when the cuboid dish descends to with the deck plate level, adjusting bolt's upper end supports tightly in the lower extreme of locating piece.

2. The automatic mahjong machine according to claim 1, wherein the height adjusting device further comprises a sleeve, one end of the adjusting bolt extends into the sleeve and is connected to the sleeve in a sliding manner along the axial direction of the sleeve, one end of the adjusting bolt extending into the sleeve is circumferentially fixed with the sleeve, an electric appliance box is arranged below the bottom plate, and the lower end of the sleeve penetrates out of the electric appliance box.

3. The automatic mahjong machine according to claim 2, wherein the lower end of the adjusting bolt is provided with a polygonal block, and the sleeve is internally provided with a polygonal hole matched with the polygonal block.

4. The automatic mahjong machine according to claim 2, wherein the lower end face of the electrical box is provided with a containing groove, the inner wall of the containing groove is provided with a limit groove, the lower end of the sleeve is provided with a limit post, a plurality of limit strips are circumferentially arranged on the outer side wall of the limit post at intervals, the limit strips are matched with the limit groove, and when the limit post is positioned in the containing groove, at least one of the limit strips is matched with the limit groove for limiting the sleeve to rotate.

5. The automatic mahjong machine according to claim 4, wherein the electrical box is provided with a limiting protrusion for limiting the sleeve to axially slide, and the limiting protrusion is abutted to the lower portion of the limiting post when the limiting post is arranged in the accommodating groove.

6. The automatic mahjong machine according to claim 4, wherein the limiting column is provided with a first magnetic attraction piece, a second magnetic attraction piece is arranged in the accommodating groove, and when the limiting column is arranged in the accommodating groove, the first magnetic attraction piece and the second magnetic attraction piece are magnetically attracted and used for fixing the limiting column in the accommodating groove.

7. The automatic mahjong machine according to claim 1, wherein the central lifting mechanism further comprises a lifting block fixed with the lifting shaft, the driving device comprises a driving assembly for driving the lifting block to ascend and a reset spring for driving the lifting shaft to descend, the central shaft seat is sleeved on the outer side of the lifting shaft, a guide groove is formed in the outer wall of the lifting shaft, a guide block matched with the guide groove is fixed on the inner wall of the central shaft seat, the guide block is matched with the guide groove and slides up and down along the guide groove, a support block is arranged at one end of the guide groove, the reset spring is arranged in the guide groove, and two ends of the reset spring are respectively connected with the guide block and the support block.

8. The automatic mahjong machine according to claim 7, wherein the driving device comprises a crank and a motor arranged on the central shaft seat, the crank comprises an input shaft and an output shaft which are eccentrically arranged, the motor is in transmission connection with the input shaft, and the output shaft is abutted to the lower end face of the lifting block and can transversely move relative to the lifting block.

9. The automatic mahjong machine according to claim 8, wherein an electric box is arranged below the bottom plate, and the motor is arranged between the bottom plate and the electric box.