JP3245240U - Sensor mounting base for mahjong machine tile lift-up mechanism and mahjong machine tile lift-up mechanism - Google Patents

Abstract

An object of the present invention is to provide a sensor mounting base for a mahjong machine tile lift-up mechanism and a mahjong machine tile lift-up mechanism whose internal structure is miniaturized. SOLUTION: It is installed outside a cam 11 for transmission of a mahjong machine tile lift-up mechanism, and includes a cover 10, and the cover is provided with a positioning attachment structure for attaching a signal receiver 9 or a signal transmitter. , the cover is further provided with a signal transmission window 12 for signal transmission. A sensor that controls the stroke end point and start point of the tile lift-up mechanism is installed in the tile lift-up mechanism, and the sensor is a signal receiver and a signal transmitter, and the signal receiver and signal transmitter are respectively connected to the mahjong machine tile lift. It is attached to the cam for transmission of the up mechanism and the cover outside the cam, reducing the volume of the internal structure of the mahjong machine, and realizing signal transmission between the signal receiver and signal transmitter through the signal transmission window. can. [Selection diagram] Figure 3

Description

The present invention belongs to the technical field of mahjong machines, and relates to a sensor mount for a mahjong machine tile lift-up mechanism and a mahjong machine tile lift-up mechanism.

The tile pushing movement and tile lifting movement of a mahjong machine generally control the end and start points of the stroke by sensors, respectively.In the prior art, the sensor uses a signal wheel and a signal permanent magnet, and the sensor uses a signal wheel and a signal permanent magnet. is installed on one side of the tile lift-up mechanism, which increases the volume of the internal structure of the mah-jong machine, and requires a tile lift-up sensor mounting structure that reduces the volume of the internal structure of the mah-jong machine.

Chinese patent [Application number: 201821796008.3] discloses a drive system for a mahjong machine tile lift-up mechanism, which includes a drive assembly, a tile lift-up rocker arm, and a cam transmission module, the drive assembly; The cam transmission module and the tile pushing device are both installed on the main vertical plate of the mahjong table, and the tile lift-up rocker arm is transmission connected to the drive assembly, and the tile lift-up rocker arm is rotated by the drive of the drive assembly. The cam transmission module is transmission-connected to the drive assembly, and the cam transmission module horizontally moves the tile lifting device of the mahjong machine to the drive assembly. The advantages of the invention patent are as follows: The drive assembly drives the tile lift up rocker arm and cam transmission module to operate, the tile lift up rocker arm can push the tile lift up device of the mahjong machine to rise, and the cam transmission module , can push the tile pushing device of the mahjong machine to move horizontally, the structure is stable, the operation of each member is synchronized, the volume of the entire drive system is small, the structure is simple, but its sensor That is, the signal wheel and the signal permanent magnet are also installed on one side of the cam transmission module, which increases the volume of the internal structure of the mahjong machine.

An object of the present invention is to provide a sensor mounting base for a mahjong machine tile lift-up mechanism to solve the above problem.

An object of the present invention is to provide a mahjong machine tile lift-up mechanism to solve the above-mentioned problems.

To achieve the above objective, the present invention uses the following technical solutions.

A sensor mounting base for a mahjong machine tile lift-up mechanism that is installed outside a transmission cam of a mahjong machine tile lift-up mechanism and includes a cover, the cover having a base for attaching a signal receiver or a signal transmitter. A positioning mounting structure is provided, and the cover is further provided with a signal transmission window for signal transmission.

In the present invention, a sensor is installed in the tile lift-up mechanism to control the stroke end point and start point of the tile lift-up mechanism, and the sensor is a signal receiver and a signal transmitter, and the signal receiver and signal transmitter are respectively It is attached to the transmission cam of the mahjong machine tile lift-up mechanism and the cover outside the cam, reducing the volume of the internal structure of the mahjong machine, and the signal transmission window allows signal transmission between the signal receiver and signal transmitter. can be realized,
The positioning mounting structure can be positioned and mounted to a signal receiver or a signal transmitter.

As will be understood by those skilled in the art, Bluetooth communication, infrared communication, wireless communication, or wired communication can be used between the microcontroller and the signal receiver, signal transmitter drive assembly, etc. In addition, the control module may be magnetically controlled or optically controlled, and the position of the signal receiver and the position of the signal transmitter can be exchanged, and if the control module is optically controlled, the signal receiver and signal transmitter The machine is an infrared receiver and an infrared transmitter, respectively, preferably the infrared transmitter is attached to the cover, the infrared receiver is attached to the cam, and if the control module is a magnetic control, the signal receiver and The signal transmitters are a driver and a permanent magnet respectively, preferably the driver is attached to the cover and the permanent magnet is attached to the cam.

In the sensor mounting base of the mahjong machine tile lift-up mechanism, the signal transmission in the signal transmission window is along the axial direction of the cam.

In the sensor mounting base of the mahjong machine tile lift-up mechanism, the signal transmission window is installed on the outer end surface of the cover along the axial direction of the cam.

In the sensor mounting base of the mahjong machine tile lift-up mechanism, the positioning mounting structure includes a mounting plate for mounting a signal receiver or a signal transmitter, and the positioning mounting structure is installed on the edge of the outer end surface of the cover. and a bolt attachment part protruding from a side surface of the cover, the outer end of the bolt attachment part is flush with the outer end surface of the cover, and a female threaded hole is provided, and the attachment plate includes: Two through holes are installed, each connected to a positioning rod and a female screw hole, and a restriction block is further provided inside the mounting plate, which can abut against the side of the cover, and the signal receiver or signal transmitter is , installed on the inner end surface of the mounting plate. The positioning mounting structure can be positioned and installed with respect to the mounting plate, and can be quickly removed and repaired. When installing the mounting plate, the positioning rod in the cover fits into the left side through hole of the mounting plate. By aligning them together, you can position the mounting plate. After completing the positioning, by rotating the mounting plate, you can align the right side through hole with the female threaded hole. Fix the mounting plate with bolts and remove the restrictions. By fitting the block with the bolt, the fixing strength can be increased.

In the sensor mounting base of the mahjong machine tile lift-up mechanism, a transmission window for connecting the cam to the transmission rocker arm is further provided on the side of the cover, and the transmission window has an arc shape.

A mahjong machine tile lift-up mechanism comprising a tile lift-up base and a drive assembly used to drive the tile lift-up base to raise and lower the tiles and further connected to a tile pushing assembly via an interlocking assembly, the mechanism comprising: The lift-up base further includes a control module for determining that the lift-up base has been raised to an end-of-stroke point, the control module being mounted on a cam structure within the interlock assembly.

In this example, the control module is able to determine whether the tile lift-up base has been raised to the end of the stroke, thereby reducing the failure rate of the tile lift-up base and directing the control module to the cam structure in the interlocking assembly. Compared to installing the control module independently using conventional technology, installing the control module can reduce the volume of the internal structure of the mahjong machine. The goal of reducing the failure rate can be achieved,
Specifically, the driving assembly can transport the stacked mahjong tiles to the mahjong table surface by driving the tile lift-up base to move up and down, and at the same time, by using the interlocking assembly, it can further drive the tiles. With the assembly as a power source, the tile pushing assembly can be operated to push the mahjong tiles from the tile receiving table to the tile lift up base, and the ascending movement of the tile lifting up base and the forward pushing movement of the tile pushing assembly By linking the two and using one power source, both can be seamlessly connected during operation, and the volume of the internal structure of the mahjong machine can be reduced.

In the mahjong machine tile lift-up mechanism, the control module includes a microcontroller, a signal transmitter, and a signal receiver connected to the microcontroller, and the microcontroller is connected to a drive assembly and the signal receiver When the machine receives the signal sent by the signal transmitter, the tile lift up base will rise to the end of the stroke,
The cam structure includes a cover and a cam installed in the cover, the signal receiver and the signal transmitter are installed in the cover and the cam, respectively, and the cover includes a signal receiver and a signal transmitter. A signal transmission window is further provided for communicating the signals, and when the cam rotates until the signal receiver and the signal transmitter are located at opposite ends of the signal transmission window, respectively, the signal transmitted by the signal transmitter is transmitted by the signal receiver. can be received.

When the signal receiver receives the signal sent by the signal transmitter, the tile lift-up base will rise to the end of the stroke, and at this time, the signal receiver will transmit the signal to the microcontroller and be activated by the microcontroller. The drive assembly is controlled to stop, and when the mahjong tiles or other objects are caught and the tile lift-up base cannot be raised, the drive assembly automatically stops working, which is the prior art. After pressing the tile wash button again, the drive assembly is reactivated until the cam rotates and the signal receiver receives the signal sent by the signal transmitter.

Directly attaching the signal receiver and signal transmitter to the cover and cam can reduce the internal structural space of the mahjong machine compared to adding control modules elsewhere in the mahjong machine in the prior art.

Preferably, in the mahjong machine tile lift-up mechanism, the cover is further provided with a mounting plate for mounting a signal receiver or a signal transmitter, and the mounting plate is attached to an outer end surface of the cover via a positioning mounting structure. is fixed to
The positioning attachment structure includes a positioning rod installed on the edge of the outer end surface of the cover, and a bolt attachment part protruding from the side surface of the cover, and the outer end of the bolt attachment part is connected to the outer edge surface of the cover. The mounting plate is provided with two through holes connected to the positioning rod and the female threaded hole, respectively, and the inside of the mounting plate has a limit that can come into contact with the side of the cover. A block is further provided, and the signal receiver or signal transmitter is installed on the inner end surface of the mounting plate. The positioning mounting structure can be positioned and installed with respect to the mounting plate, and can be quickly removed and repaired. When installing the mounting plate, the positioning rod in the cover fits into the left side through hole of the mounting plate. By aligning them together, you can position the mounting plate. After completing the positioning, by rotating the mounting plate, you can align the right side through hole with the female threaded hole. Fix the mounting plate with bolts and remove the restrictions. By fitting the block with the bolt, the fixing strength can be increased.

In the mahjong machine tile lift-up mechanism, the drive assembly includes a driver, a first transmission gear is fixedly connected to the output shaft of the driver, and one side of the first transmission gear is configured to move up and down. A first drive gear for driving the tile lift-up base is intermeshingly connected, and the other side is intermeshingly connected to a second transmission gear for driving the cam structure in the interlocking assembly to operate; A second drive gear is meshed with and connected to the side of the second transmission gear remote from the first transmission gear, and the first drive gear and the second drive gear are respectively connected to the tile lift up base via a rocker arm push/pull structure. The first transmission gear, the second transmission gear, the first drive gear, and the second transmission gear are connected and have the same diameter. The driver can rotate the first transmission gear, the first transmission gear can rotate and rotate the first drive gear and the second transmission gear, and the driver can rotate the first transmission gear. The gear can rotate to rotate the second drive gear, and the first transmission gear rotates the second drive gear by the second transmission gear, thereby connecting the first drive gear and the second drive gear. The synchronous reverse rotation of the gear can be realized, which can cooperate with the rocker arm push-pull structure to drive the tile lift-up base to perform an upward movement, and the first transmission gear and the first The two transmission gears, the first drive gear, and the second transmission gear have the same diameter to ensure synchronization of the upward movement of the tile lift-up base and/or the forward movement of the tile pushing assembly. is possible,
The rocker arm push/pull structure is
An elevating plate, the elevating plate is fixed to the bottom of the tile lift-up base, and two jack-up parts corresponding to a first drive gear and a second drive gear are symmetrically arranged on both sides of the bottom of the elevating plate. an elevating plate that is installed in a vertical direction, the cross section of the jacking part is arcuate and protrudes downward, and an arcuate transition part is provided at a connection point between the jacking part and the elevating plate;
A jack-up rocker arm, wherein two jack-up rocker arms are installed and fixed to a first drive gear and a second drive gear, respectively, and a first roller is further rotationally connected to the jack-up rocker arm, When the tile lift-up base rises to the end of the stroke, the first rollers of the two jack-up rocker arms each include a jack-up rocker arm that comes into contact with the lowest point of the jack-up part,
further including a lift restriction structure for restricting the lift plate;
The first drive gear and the second drive gear can rotate to rotate the jack-up rocker arm, and when the jack-up rocker arm rotates until the first roller abuts the bottom of the elevator plate, When the lifting plate can be raised and the first roller contacts the lowest point of the jack-up part, the tile lift-up base will rise to the highest point, and at this time, the cam will connect the infrared receiver and the infrared The transmitter rotates until it is aligned through the signal transmission window, and the arc-shaped transition section makes the movement of the first roller smoother, and the first roller moves from the lowest point of the jack-up section to the arc-shaped transition section. When the tile starts to move, the tile lift-up base will descend, and the lifting restriction structure can restrict the lifting plate,
The bottom of the lifting plate is further provided with two pull-down arms installed symmetrically, a pull-down passage is formed between the pull-down arm and the lifting plate, and the pull-down arm is connected from the center of the lifting plate. The pull-down arm extends toward a side closer to the jack-up part, and the outer end of the pull-down arm is inclined downward, and the first roller can abut the inner side of the outer end of the pull-down arm. When the drive assembly is activated, the first drive gear and the second drive gear rotate in opposite directions, and when the first roller begins to move from the lowest point of the jack-up section to the arcuate transition section, the first roller rotates in opposite directions. moves in a direction close to the pull-down passage, and when the first drive gear and the second drive gear rotate until the first roller abuts the inside of the outer end of the pull-down arm, the first roller separates from the pull-down arm. The elevator plate can be pulled down and lowered until At this time, the bottom of the tile lift-up base is in contact with the lift-up restriction structure and located at the lowest point, and the cam continues to rotate and moves the tile pushing assembly by the interlocking assembly to move the mahjong tiles on the tile receiving base. You can push the tile up to the base,
The lift-up restriction structure includes two restriction bases installed vertically, and two restriction rods installed vertically are fixedly connected to the bottom of the tile lift-up base, and the lower ends of the restriction rods are fixedly connected to the bottom of the tile lift-up base. are inserted into the restriction grooves located within the restriction base, and the two restriction bases are located on both sides of the lifting plate, respectively. By fitting the restriction groove in the restriction base with the restriction rod, it is possible to restrict the tile lift-up base and prevent the tile lift-up base from tilting.

In the mahjong machine tile lift-up mechanism, the interlocking assembly further includes a transmission rocker arm, a transmission shaft, and a tile pushing rocker arm,
A second roller that contacts the cam is rotatably connected to the transmission rocker arm, and an arcuate transmission window is further provided on the side of the cover;
an end of the transmission rocker arm remote from the second roller is fixedly fitted onto the transmission shaft;
The tile pushing rocker arm is fixedly fitted onto the transmission shaft and installed parallel to the transmission rocker arm, and the tile pushing rocker arm is installed in two pieces, each located at both ends of the transmission shaft, The rocker arm is connected to the tile pushing assembly,
The cam can rotate to rotate the transmission rocker arm about the transmission shaft using the second roller, and simultaneously rotate the transmission shaft, and the transmission shaft can rotate to rotate the transmission rocker arm around the transmission shaft. can be rotated around the transmission shaft, and the tile pushing rocker arm can be rotated to move the tile pushing assembly forward, thereby seamlessly connecting the upward movement of the tile lift up base. make things happen,
The cam has a tile pushing part, a return stroke part, and a plane crossing part, the tile pushing part is connected to an end of the return stroke part remote from the plane crossing part, and the plane crossing part is connected to a plane crossing part. and has a semicircular cross section, the planar transition part is the lowest point of the cam, the end connected to the return stroke part of the tile pushing part is the highest point of the cam, and the tile pushing part and the return stroke part are installed symmetrically along the center line of the plane crossing part, the signal receiver or the signal transmitter is installed at the center of the plane crossing part, and the tile pushing part and the return stroke part are , both are arc-shaped,
When the cam rotates and the second roller is at the transition section, the second roller rotates and the transmission rocker arm does not move.
When the cam rotates and the second roller is in the tile pushing part, the second roller rotates and the transmission rocker arm rotates inward,
When the cam rotates and the second roller is on the return stroke, the second roller rotates and the transmission rocker arm rotates outward;
When the second roller is located at the connection point between the return stroke part and the plane crossing part, the signal receiver and signal transmitter are aligned through the signal transmission window, and the first roller is located at the bottom of the jack-up part. When the second roller is located at the connection point between the plane crossing part and the tile pushing part, the first roller is separated from the pull-down arm and the jack-up rocker is in contact with the pull-down arm. The arm is vertical, the first roller points directly below, and at this time, the tile lift-up base is located at the lowest point, and the second roller is located at the connection point between the tile pushing part and the return stroke part. At this time, the jack-up rocker arm is horizontal, the first roller points to the side away from the center of the lifting plate, at this time, the tile lift-up base is located at the lowest point, and the tile pushing assembly is at the lowest point. move to the inside,
When the tile lift-up base and the tile pushing assembly perform one tile lift-up, the relative movement locus of the cam and the second roller is as follows. At the start of the movement, the second roller is located at the connection point between the return stroke section and the plane transition section, and then the cam rotates, and the second roller moves from the connection point between the return stroke section and the plane transition section. It passes through the plane crossing part, the tile pushing part, and the return stroke part, and returns to the connection point between the return stroke part and the plane crossing part.

Compared with the conventional technology, the present invention has the following effects.

1. In the present invention, a sensor is installed in the tile lift-up mechanism to control the stroke end point and start point of the tile lift-up mechanism, and the sensor is a signal receiver and a signal transmitter, and the signal receiver and signal transmitter are respectively It is attached to the transmission cam of the mahjong machine tile lift-up mechanism and the cover outside the cam, reducing the volume of the internal structure of the mahjong machine, and the signal transmission window allows signal transmission between the signal receiver and signal transmitter. It can be realized.

2. The control module can determine whether the tile lift-up base has been raised to the end of the stroke, thereby reducing the failure rate of the tile lift-up base, and installing the control module in the cam structure in the interlocking assembly is Compared to installing the control module independently using conventional technology, the volume of the internal structure of the mahjong machine can be reduced, which reduces the volume of the internal structure of the mahjong machine and reduces the failure rate of tile lift-up. You can achieve your goals.

3. The drive assembly can transport the stacked mahjong tiles to the mahjong table surface by driving the tile lift-up base to move up and down, and at the same time, by using the interlocking assembly, the drive assembly can also be used as a power source. driving the tile pushing assembly to operate to push the mahjong tiles from the tile receiving table to the tile lifting base, linking the upward movement of the tile lifting base with the forward pushing movement of the tile pushing assembly; By using one power source, both can be seamlessly connected during operation, and the volume of the internal structure of the mahjong machine can be reduced.

4. Directly attaching the signal receiver and signal transmitter to the cover and cam can reduce the internal structural space of the mahjong machine compared to adding control modules elsewhere in the mahjong machine in the prior art.

5. The driver can rotate the first transmission gear, the first transmission gear can rotate and rotate the first drive gear and the second transmission gear, and the driver can rotate the first transmission gear. The gear can rotate to rotate the second drive gear, and the first transmission gear rotates the second drive gear by the second transmission gear, thereby connecting the first drive gear and the second drive gear. The synchronous reverse rotation of the gear can be realized, which can cooperate with the rocker arm push-pull structure to drive the tile lift-up base to perform an upward movement, and the first transmission gear and the first The two transmission gears, the first drive gear, and the second transmission gear have the same diameter to ensure synchronization of the upward movement of the tile lift-up base and/or the forward movement of the tile pushing assembly. Can be done.

6. The first drive gear and the second drive gear can rotate to rotate the jack-up rocker arm, and when the jack-up rocker arm rotates until the first roller abuts the bottom of the elevator plate. , the lifting plate can be raised, and when the first roller contacts the lowest point of the jack-up part, the tile lift-up base will rise to the highest point, and at this time, the cam will be connected to the infrared receiver. The infrared transmitter rotates until it is aligned through the signal transmission window, and the arc-shaped transition section makes the movement of the first roller smoother, and the first roller moves from the lowest point of the jack-up section to the arc-shaped transition section. When the tile starts to move to the top, the tile lift-up base will be lowered, and the lift-up restriction structure can restrict the lift-up plate.

Other advantages, objectives, and features of the present invention are embodied in part by the following description, and will be understood by those skilled in the art in part through study and practice of the invention.

FIG. 3 is a three-dimensional diagram of the present invention. FIG. 3 is a three-dimensional view of the present invention in another direction; FIG. 3 is an exploded view of the cam structure. FIG. 7 is an exploded view of the cam structure in another direction. FIG. 3 is a frame diagram of the control module.

As shown in FIGS. 3 and 4, this is a sensor mounting base for the mahjong machine tile lift-up mechanism that is installed outside the transmission cam 11 of the mahjong machine tile lift-up mechanism and includes a cover 10. A positioning mounting structure 14 is provided for mounting the signal receiver 8 or the signal transmitter 9, and the cover 10 is further provided with a signal transmission window 12 for signal transmission.

In the present invention, a sensor for controlling the stroke end point and start point of the tile lift-up mechanism is installed in the tile lift-up mechanism, and the sensors are a signal receiver 8 and a signal transmitter 9. 9 is attached to a cam 11 for transmitting the mahjong machine tile lift-up mechanism and a cover 10 outside the cam 11, respectively, to reduce the volume of the internal structure of the mahjong machine, and to connect the signal receiver 8 and the signal through the signal transmission window 12. Realizes signal transmission with the transmitter 9,
The positioning attachment structure 14 can be positioned and attached to the signal receiver 8 or the signal transmitter 9.

As will be understood by those skilled in the art, Bluetooth communication, infrared communication, wireless communication, wired communication, etc. can be used between the microcontroller and the drive assembly of the signal receiver 8 and signal transmitter 9. Also, the control module may be magnetically controlled or optically controlled, and the position of the signal receiver 8 and the position of the signal transmitter 9 can be exchanged, and if the control module is optically controlled, the signal receiving The machine 8 and the signal transmitter 9 are an infrared receiver and an infrared transmitter, respectively, preferably the infrared transmitter is attached to the cover, the infrared receiver is attached to the cam, and the control module is magnetically controlled. In this case, the signal receiver 8 and the signal transmitter 9 are respectively a driver and a permanent magnet, preferably the driver is attached to the cover and the permanent magnet is attached to the cam.

Signal transmission in the signal transmission window 12 is along the axial direction of the cam 11.

The signal transmission window 12 is installed on the outer end surface of the cover 10 along the axial direction of the cam 11.

The positioning mounting structure 14 includes a mounting plate 13 for mounting the signal receiver 8 or the signal transmitter 9, and the positioning mounting structure 14 includes a positioning rod 39 installed on the edge of the outer end surface of the cover 10. The outer end of the bolt mounting part 40 is flush with the outer end surface of the cover 10, and a female screw hole 41 is provided in the mounting plate 13. Two through holes 42 are installed, which are connected to the positioning rod 39 and the female screw hole 41, respectively, and a restriction block 43 that can abut against the side of the cover 10 is further installed inside the mounting plate 13, and the signal receiving The device 8 or the signal transmitter 9 is installed on the inner end surface of the mounting plate 13. The positioning mounting structure can be positioned and installed with respect to the mounting plate, and can be quickly removed and repaired. When installing the mounting plate, the positioning rod in the cover fits into the left side through hole of the mounting plate. By aligning them together, you can position the mounting plate. After completing the positioning, by rotating the mounting plate, you can align the right side through hole with the female threaded hole. Fix the mounting plate with bolts and remove the restrictions. By fitting the block with the bolt, the fixing strength can be increased.

A transmission window 33 for connecting the cam 11 to the transmission rocker arm 31 is further provided on the side of the cover 10, and the transmission window 33 has an arc shape.

As shown in Figures 1-5, there is a tile lift-up base 1 and a drive assembly 2 connected to the tile pusher assembly via an interlock assembly 3, which is used to drive the tile lift-up base 1 to raise and lower. The mahjong machine tile lift-up mechanism further includes a control module 5 for determining that the tile lift-up base 1 has been raised to the end of the stroke, the control module 5 comprising a cam structure 6 in the interlocking assembly 3. will be installed in

In the present invention, the control module 5 can determine whether the tile lift-up base 1 has been raised to the end of the stroke, thereby reducing the failure rate of the tile lift-up base, and Compared to installing the control module independently in the conventional technology, installing it in structure 6 can reduce the volume of the internal structure of the mahjong machine. The purpose of reducing the lift-up failure rate can be achieved,
Specifically, the drive assembly can transport the stacked mahjong tiles to the mahjong table surface by driving the tile lift-up base 1 to move up and down, and at the same time, by using the interlocking assembly 3, Further, the driving assembly is powered and the tile pushing assembly is actuated to push the mahjong tiles from the tile receiving table to the tile lift up base, and the ascending movement of the tile lifting up base and the front of the tile pushing assembly are performed. By linking the pushing motions and using one power source, both can be seamlessly connected during operation, and the volume of the internal structure of the mahjong machine can be reduced.

As those skilled in the art will understand, the tile pressing assembly uses conventional technology and will not be further described in the present invention.

Specifically, as shown in FIGS. 3-5, the control module 5 includes a microcontroller 7, a signal transmitter 9, and a signal receiver 8 connected to the microcontroller 7. , connected to the drive assembly 2, when the signal receiver 8 receives the signal transmitted by the signal transmitter 9, the tile lift-up base 1 is raised to the end of the stroke;
The cam structure 6 includes a cover 10 and a cam 11 installed in the cover 10. The signal receiver 8 and the signal transmitter 9 are installed in the cover 10 and the cam 11, respectively. , a signal transmission window 12 for communicating the signal receiver 8 and the signal transmitter 9 is further provided, and the cam 11 is rotated until the signal receiver 8 and the signal transmitter 9 are located at both ends of the signal transmission window 12, respectively. The signal transmitted by the signal transmitter 9 can then be received by the signal receiver 8.

When the signal receiver 8 receives the signal sent by the signal transmitter 9, the tile lift-up base 1 is raised to the end of the stroke, at this time the signal receiver transmits the signal to the microcontroller, and the microcontroller When the mahjong tiles or other objects are caught and the tile lift-up base cannot be raised, the drive assembly will automatically stop the operation, which is the same as in the prior art. be. After pressing the tile wash button again, the drive assembly is reactivated until the cam rotates and the signal receiver 8 receives the signal sent by the signal transmitter 9.

Directly attaching the signal receiver 8 and the signal transmitter 9 to the cover and cam can reduce the internal structural space of the mahjong machine compared to adding control modules elsewhere in the mahjong machine in the prior art.

Preferably, as shown in FIGS. 1, 3 and 4, the cover 10 is further provided with a mounting plate 13 for mounting the signal receiver 8 or the signal transmitter 9, and the mounting plate 13 has a positioning mounting plate. It is fixed to the outer end surface of the cover 10 via the structure 14. The positioning mounting structure 14 can be positioned and attached to the mounting plate, and can be quickly removed and easily repaired.

Specifically, as shown in FIGS. 1 and 2, the drive assembly 2 includes a driver 15, and a first transmission gear 16 is fixedly connected to the output shaft of the driver 15. A first drive gear 17 for driving the tile lift-up base 1 to move up and down is meshed and connected to one side, and a first drive gear 17 for driving the cam structure 6 in the interlocking assembly 3 to operate is connected to the other side. A second transmission gear 18 is meshed and connected to the second transmission gear 18, and a second drive gear 19 is meshed and connected to the side of the second transmission gear 18 remote from the first transmission gear 16. The gears 19 are connected to the tile lift-up base 1 via the rocker arm push/pull structure 20, and are connected to the first transmission gear 16, the second transmission gear 18, the first drive gear 17, and the second transmission gear 18. and have the same diameter. The driver 15 can rotate the first transmission gear, the first transmission gear can rotate and rotate the first drive gear and the second transmission gear, and the driver 15 can rotate the first transmission gear and rotate the first transmission gear. The transmission gear can rotate to rotate the second drive gear, and the first transmission gear can rotate the second drive gear by the second transmission gear, thereby connecting the first drive gear and the second drive gear. The synchronous reverse rotation of the drive gear can be realized, thereby cooperating with the rocker arm push-pull structure 20 to drive the tile lift-up base to perform an upward movement, and the second transmission gear , can be rotated to further rotate the cam, and the first transmission gear 16, the second transmission gear 18, the first drive gear 17, and the second transmission gear 18 have the same diameter. Accordingly, the synchronization of the upward movement of the tile lift-up base and/or the forward pushing movement of the tile pushing assembly can be ensured.

As one skilled in the art will appreciate, the driver may be a rotating cylinder or a motor, and preferably a motor is selected in this embodiment.

Specifically, as shown in FIG. 2, the rocker arm push/pull structure 20 is
An elevating plate 21 is fixed to the bottom of the tile lift-up base 1, and on both sides of the bottom of the elevating plate 21 are provided a first drive gear 17 and a second drive gear 19, respectively. Two jack-up parts 22 are installed symmetrically, and the jack-up part 22 has an arc-shaped cross section and protrudes downward, and an arc-shaped transition part 23 is provided at the connection point between the jack-up part 22 and the lifting plate 21. an elevating plate 21 provided with
Two jack-up rocker arms 24 are installed and fixed to the first drive gear 17 and the second drive gear 19, respectively, and the first roller 25 is attached to the jack-up rocker arm 24. When the tile lift-up base 1 is further connected to rotate and rises to the end of its stroke, the first rollers of the two jack-up rocker arms 24 are both brought into contact with the lowest point of the jack-up part 22 of the jack-up rocker arms 24. including
It further includes a lift restriction structure 26 for restricting the lift plate 21.

The first drive gear and the second drive gear can rotate to rotate the jack-up rocker arm, and when the jack-up rocker arm rotates until the first roller abuts the bottom of the elevator plate. , the lifting plate can be raised, and when the first roller contacts the lowest point of the jack-up part, the tile lift-up base will rise to the highest point, and at this time, the cam will be connected to the infrared receiver. The infrared transmitter rotates until it is aligned through the signal transmission window, and the arc-shaped transition section makes the movement of the first roller smoother, and the first roller moves from the lowest point of the jack-up section to the arc-shaped transition section. When the tile lift-up base starts to move to the end, the tile lift-up base is lowered, and the lift-up restriction structure 26 can restrict the lift-up plate.

Preferably, as shown in FIG. 2, the bottom of the lifting plate 21 is further provided with two pull-down arms 27 installed symmetrically, and a pull-down passage 28 is provided between the pull-down arms 27 and the lifting plate 21. is formed, the pull-down arm 27 extends from the center of the lifting plate 21 toward the side closer to the jack-up section 22, the outer end of the pull-down arm 27 is inclined downward, and the first roller 25 is , can come into contact with the inside of the outer end of the pull-down arm 27. When the drive assembly is activated, the first drive gear and the second drive gear rotate in opposite directions, and when the first roller begins to move from the lowest point of the jack-up section to the arcuate transition section, the first roller rotates in opposite directions. moves in a direction close to the pull-down path, and when the first drive gear and the second drive gear rotate until the first roller abuts the inside of the outer end of the pull-down arm 27, the first roller separates from the pull-down arm. The lift plate can be pulled down and lowered until At this time, the bottom of the tile lift-up base is in contact with the lift-up restriction structure and located at the lowest point, and the cam continues to rotate and moves the tile pushing assembly by the interlocking assembly to move the mahjong tiles on the tile receiving base. can be pushed to the tile lift up base.

Specifically, as shown in FIGS. 1 and 2, the lift-up restriction structure 26 includes two restriction bases 29 installed vertically, and the bottom of the tile lift-up base 1 has two restriction bases 29 installed vertically. Two restriction rods 30 are fixedly connected, and the lower ends of the restriction rods 30 are inserted into the restriction grooves located in the restriction bases 29, and the two restriction bases 29 are located on both sides of the lifting plate 21, respectively. By fitting the restriction groove in the restriction base 29 with the restriction rod 30, the tile lift-up base 1 can be restricted and the tile lift-up base can be prevented from inclining.

Specifically, as shown in FIG. 1, the interlocking assembly 3 includes:
The transmission rocker arm 31 further includes a transmission rocker arm 31, a transmission shaft 34, and a tile pushing rocker arm 35. A second roller 32 that contacts the cam 11 is rotatably connected to the transmission rocker arm 31, and a second roller 32 that contacts the cam 11 is rotatably connected to the transmission rocker arm 31. Further, an arc-shaped transmission window 33 is provided,
The end of the transmission rocker arm 31 remote from the second roller 32 is fixedly fitted onto the transmission shaft 34, and
The tile pushing rocker arm 35 is fixedly fitted onto the transmission shaft 34 and installed parallel to the transmission rocker arm 31, and two of the tile pushing rocker arms 35 are installed, and each is located at both ends of the transmission shaft 34. The tile pushing rocker arm 35 is connected to the tile pushing assembly.

The second transmission gear can rotate to further rotate the cam, and the cam can rotate to cause the second roller to rotate the transmission rocker arm about the transmission shaft, and at the same time rotate the transmission shaft. The transmission shaft can be rotated to rotate the tile pushing rocker arm about the transmission shaft, and the tile pushing rocker arm can be rotated to move the tile pushing assembly forward. It is possible to make a pushing movement, thereby realizing that the upward movement of the tile lift-up base is seamlessly connected.

Specifically, as shown in FIG. 4, the cam 11 has a tile pushing part 36, a return stroke part 37, and a plane crossing part 38, and the tile pushing part 36 has a plane crossing part of the return stroke part 37. The planar transition portion 38 is connected to the end remote from the tile pressing portion 38 , and is flat and has a semicircular cross section. The end connected to the return stroke part 37 is the highest point of the cam 11, and the tile pushing part 36 and the return stroke part 37 are installed symmetrically along the center line of the plane crossing part 38, and the signal receiving The machine 8 or the signal transmitter 9 is installed at the center of the plane crossing section 38, and the tile pushing section 36 and the return stroke section 37 are both arcuate.

When the cam 11 rotates and the second roller 32 is at the transition portion, the second roller 32 rotates and the transmission rocker arm 31 does not move.
When the cam rotates and the second roller 32 is at the tile pushing part, the second roller 32 rotates and the transmission rocker arm 31 rotates inward,
When the cam rotates and the second roller 32 is on the return stroke 37, the second roller 32 rotates and the transmission rocker arm 31 rotates outward.

When the second roller is located at the connection point between the return stroke section and the plane crossing section, the signal receiver and signal transmitter are aligned through the signal transmission window, and the first roller is located at the top of the jack-up section 22. When it comes into contact with the lower point, the tile pushing assembly is located at the outermost side, and the second roller is located at the connection point between the plane crossing part and the tile pushing part, the first roller is detached from the pull-down arm and jacked up. The rocker arm is vertical, the first roller points directly below, and at this time, the tile lift-up base is located at the lowest point, and the second roller is located at the connection point between the tile pushing part and the return stroke part. At this time, the jack up rocker arm is horizontal, the first roller points to the side away from the center of the lifting plate, at this time, the tile lift up base is located at the lowest point, and the tile pushing assembly is Move to the innermost part.

When the tile lift-up base and the tile pushing assembly perform one tile lift-up, the relative movement locus of the cam and the second roller is as follows. At the start of the movement, the second roller is located at the connection point between the return stroke section and the plane transition section, and then the cam rotates, and the second roller moves from the connection point between the return stroke section and the plane transition section. It passes through the plane crossing part, the tile pushing part, and the return stroke part, and returns to the connection point between the return stroke part and the plane crossing part.

Specifically, as shown in FIGS. 3 and 4, the positioning attachment structure 14 includes a positioning rod 39 installed on the edge of the outer end surface of the cover 10, and a bolt attachment part 40 protruding from the side surface of the cover 10. The outer end of the bolt attachment part 40 is flush with the outer end surface of the cover 10, and is provided with a female threaded hole 41, and the mounting plate 13 has two holes connected to the positioning rod 39 and the female threaded hole 41, respectively. Two through holes 42 are installed, and a restriction block 43 that can abut against the side of the cover 10 is further installed inside the mounting plate 13, and the signal receiver 8 or the signal transmitter 9 is connected to the mounting plate 13. Installed on the inner end surface. When installing the mounting plate, the mounting plate can be positioned by fitting the positioning rod in the cover with the left side through-hole of the mounting plate. After the positioning is completed, by rotating the mounting plate, the right side through-hole can be positioned. The mounting plate can be aligned with the female threaded hole, the mounting plate can be fixed with a bolt, and the fixing strength can be increased by fitting the restriction block 43 with the bolt.

The working principle of the present invention is as follows. The drive assembly can transport the stacked mahjong tiles to the mahjong table surface by driving the tile lift-up base 1 to move up and down, and at the same time, by using the interlocking assembly 3, the drive assembly can be further moved. As a power source, it can drive the tile pushing assembly to operate to push the mahjong tiles from the tile receiving table to the tile lifting base, linking the upward movement of the tile lifting base with the forward pushing movement of the tile pushing assembly. By using one power source, the two can be seamlessly connected during operation, and the volume of the internal structure of the mahjong machine can be reduced. The fact that the control module is installed in the cam structure 6 in the interlocking assembly 3 makes it possible to determine whether the tile lift-up base has been lifted or not, thereby reducing the failure rate of the tile lift-up base, and the fact that the control module is installed in the cam structure 6 in the interlocking assembly 3 is different from the control module independently in the prior art. The internal structure of the mahjong machine can be made smaller in size compared to the conventional mahjong machine.
When the signal receiver 8 receives the signal sent by the signal transmitter 9, the tile lift-up base 1 is raised to the end of the stroke, at this time the signal receiver transmits the signal to the microcontroller, and the microcontroller When the mahjong tiles or other objects are caught and the tile lift-up base cannot be raised, the drive assembly will automatically stop the operation, which is different from the conventional technology. be. After pressing the tile washing button again, the drive assembly is reactivated until the cam rotates and the signal receiver 8 receives the signal sent by the signal transmitter 9, and the drive assembly is reactivated until the cam rotates and the signal receiver 8 and the signal transmitter 9 directly to the cover and cam can reduce the internal structure space of the mahjong machine compared to adding a control module to other parts of the mahjong machine in the prior art.
The driver 15 can rotate the first transmission gear, the first transmission gear can rotate and rotate the first drive gear and the second transmission gear, and the driver 15 can rotate the first transmission gear and rotate the first transmission gear. The transmission gear can rotate to rotate the second drive gear, and the first transmission gear can rotate the second drive gear by the second transmission gear, thereby connecting the first drive gear and the second drive gear. The synchronous reverse rotation of the drive gear can be realized, thereby cooperating with the rocker arm push-pull structure 20 to drive the tile lift-up base to make an upward movement, and the first transmission gear 16 , the second transmission gear 18, the first drive gear 17, and the second transmission gear 18 have the same diameter, so that the ascending movement of the tile lift-up base and/or the forward pushing movement of the tile pushing assembly are controlled. The synchronization can be ensured, and the first drive gear and the second drive gear can rotate to rotate the jack-up rocker arm, and the jack-up rocker arm has a first roller that is connected to the lifting plate. When the tile lift-up base rotates until it contacts the bottom, the lifting plate can be raised, and when the first roller contacts the lowest point of the jack-up part, the tile lift-up base will rise to the highest point and this At this time, the cam rotates until the infrared receiver and infrared transmitter are aligned through the signal transmission window, and the arc-shaped transition section makes the movement of the first roller smoother, and the first roller is jacked up. When the tile lift-up base starts to move from the lowest point of the section to the arcuate transition section, the tile lift-up base descends, and the lift-up restriction structure 26 can restrict the lift-up plate, and when the drive assembly operates, the first drive The gear and the second driving gear rotate in opposite directions, and when the first roller starts to move from the lowest point of the jack-up section to the arcuate transition section, the first roller moves in a direction closer to the pull-down path. , when the first drive gear and the second drive gear rotate until the first roller contacts the inside of the outer end of the pull-down arm 27, the elevator plate is pulled down and lowered until the first roller is separated from the pull-down arm. can be done. At this time, the bottom of the tile lift-up base is in contact with the lift-up restriction structure and located at the lowest point, and the cam continues to rotate and moves the tile pushing assembly by the interlocking assembly to move the mahjong tiles on the tile receiving base. can be pushed to the tile lift up base, the cam rotates, the second roller rotates the transmission rocker arm around the transmission shaft, and at the same time the transmission shaft can be rotated. can be rotated to rotate the tile pushing rocker arm about the transmission shaft, and the tile pushing rocker arm can be rotated to cause the tile pushing assembly to move forward, thereby Realizing that the upward movement of the tile lift-up base is seamlessly connected,
When the second roller is located at the connection point between the return stroke section and the plane crossing section, the signal receiver and signal transmitter are aligned through the signal transmission window, and the first roller is located at the top of the jack-up section 22. When it comes into contact with the lower point, the tile pushing assembly is located at the outermost side, and the second roller is located at the connection point between the plane crossing part and the tile pushing part, the first roller is detached from the pull-down arm and jacked up. The rocker arm is vertical, the first roller points directly below, and at this time, the tile lift-up base is located at the lowest point, and the second roller is located at the connection point between the tile pushing part and the return stroke part. At this time, the jack up rocker arm is horizontal, the first roller points to the side away from the center of the lifting plate, at this time, the tile lift up base is located at the lowest point, and the tile pushing assembly is When the tile lift-up base and the tile pusher assembly move to the innermost side and lift up the tile once, the relative movement locus of the cam and the second roller is as follows. At the start of the movement, the second roller is located at the connection point between the return stroke section and the plane transition section, and then the cam rotates, and the second roller moves from the connection point between the return stroke section and the plane transition section. It passes through the plane crossing part, the tile pushing part and the return stroke part, and returns to the connection point between the return stroke part and the plane crossing part.

The specific embodiments described herein are merely examples for illustrating the spirit of the invention. Those skilled in the art will be able to make various modifications and supplements to the specific embodiments described, or replace them with similar methods, which depart from the spirit of the invention or fall within the scope of the appended claims. shall not exceed the scope defined in .

In this specification, a tile lift-up base 1, a drive assembly 2, an interlocking assembly 3, a control module 5, a cam structure 6, a microcontroller 7, a signal receiver 8, a signal transmitter 9, a cover 10, a cam 11, a signal transmission window 12, mounting plate 13, positioning mounting structure 14, driver 15, first transmission gear 16, first drive gear 17, second transmission gear 18, second drive gear 19, rocker arm push/pull structure 20, lifting plate 21, jack Up section 22, arcuate transition section 23, jack-up rocker arm 24, first roller 25, elevation restriction structure 26, pull-down arm 27, pull-down passage 28, restriction base 29, restriction rod 30, transmission rocker arm 31, second roller 32, transmission window 33, transmission shaft 34, tile pushing rocker arm 35, tile pushing part 36, return stroke part 37, flat crossing part 38, positioning rod 39, bolt attachment part 40, female screw hole 41, through hole 42, restriction block 43 etc. are often used. These terms are used only to more conveniently describe and interpret the essence of the invention, and their interpretation as any additional limitation is contrary to the spirit of the invention.

Tile lift up base 1
Drive assembly 2
Interlocking assembly 3
control module 5
Cam structure 6
microcontroller 7
signal receiver 8
Signal transmitter 9
cover 10
Cam 11
Signal transmission window 12
Mounting plate 13
Positioning mounting structure 14
driver 15
First transmission gear 16
First drive gear 17
Second transmission gear 18
Second drive gear 19
Rocker arm push/pull structure 20
Elevating plate 21
Jack up section 22
Arc-shaped transition part 23
Jack up rocker arm 24
First roller 25
Lifting restriction structure 26
pull down arm 27
Pull-down passage 28
limit base 29
limit rod 30
Transmission rocker arm 31
Second roller 32
Transmission window 33
Transmission shaft 34
Tile push locker arm 35
Tile pressing part 36
Return stroke part 37
Planar crossing section 38
Positioning rod 39
Bolt attachment part 40
Female screw hole 41
Through hole 42
Restriction block 43.

Claims (10)

A sensor mounting base for a mahjong machine tile lift-up mechanism that is installed outside a transmission cam (11) of a mahjong machine tile lift-up mechanism and includes a cover (10), the cover (10) having a signal receiving characterized in that a positioning mounting structure (14) is provided for mounting a machine (8) or a signal transmitter (9), and said cover (10) is further provided with a signal transmission window (12) for signal transmission. A sensor mounting base for a mahjong machine tile lift-up mechanism. The sensor mounting base for a mahjong machine tile lift-up mechanism according to claim 1, wherein the signal transmission in the signal transmission window (12) is along the axial direction of the cam (11). The sensor attachment of a mahjong machine tile lift-up mechanism according to claim 1, wherein the signal transmission window (12) is installed on an outer end surface of the cover (10) along the axial direction of the cam (11). The stand. The positioning mounting structure (14) includes a mounting plate (13) for mounting a signal receiver (8) or a signal transmitter (9), and the positioning mounting structure (14) is attached to the outer end surface of the cover (10). It further includes a positioning rod (39) installed on the edge of the cover (10), and a bolt attachment part (40) protruding from the side surface of the cover (10), the outer end of the bolt attachment part (40) being attached to the edge of the cover (10). ), and is provided with a female screw hole (41), and the mounting plate (13) has two through holes (42) connected to the positioning rod (39) and the female screw hole (41), respectively. is installed, and a restriction block (43) is further provided inside the mounting plate (13) that can come into contact with the side of the cover (10), and a restriction block (43) that can abut the side of the cover (10) is installed, and The sensor mounting base for a mahjong machine tile lift-up mechanism according to any one of claims 1 to 3, wherein is installed on an inner end surface of the mounting plate (13). A transmission window (33) for connecting the cam (11) to the transmission rocker arm (31) is further provided on the side of the cover (10), and the transmission window (33) has an arc shape. The sensor mounting base for a mahjong machine tile lift-up mechanism according to any one of claims 1 to 3. a tile lift-up base (1) and a drive assembly (2) connected to the tile pusher assembly via an interlock assembly (3) used to drive the tile lift-up base (1) to raise and lower; A mah-jong machine tile lift-up mechanism using the sensor mounting base of the mah-jong machine tile lift-up mechanism according to any one of claims 1 to 5, wherein the tile lift-up base (1) is raised to a stroke end point. The mahjong machine tile lift-up mechanism further comprises a control module (5) for determining, the control module (5) being installed in a cam structure (6) in the interlocking assembly (3). . The control module (5) includes a microcontroller (7), a signal transmitter (9) and a signal receiver (8) connected to the microcontroller (7), the microcontroller (7) comprising: connected to the drive assembly (2), when said signal receiver (8) receives the signal transmitted by the signal transmitter (9), the tile lift-up base (1) is raised to the end of the stroke;
The cam structure (6) includes a cover (10) and a cam (11) installed in the cover (10), and the signal receiver (8) and the signal transmitter (9) are respectively installed in the cover (10). 10) and the cam (11), the cover (10) is further provided with a signal transmission window (12) for communicating the signal receiver (8) and the signal transmitter (9); 11) rotates until the signal receiver (8) and the signal transmitter (9) are respectively located at both ends of the signal transmission window (12), the signal transmitted by the signal transmitter (9) is transmitted to the signal receiver ( 7. The mahjong machine tile lift-up mechanism according to claim 6, wherein the mahjong machine tile lift-up mechanism can be received by: The cover (10) is further provided with a mounting plate (13) for mounting a signal receiver (8) or a signal transmitter (9), and the mounting plate (13) has a positioning mounting structure (14). fixed to the outer end surface of the cover (10) through the
The positioning attachment structure (14) includes a positioning rod (39) installed on the edge of the outer end surface of the cover (10), and a bolt attachment part (40) protruding from the side surface of the cover (10), The outer end of the bolt attachment part (40) is flush with the outer end surface of the cover (10), and is provided with a female screw hole (41), and a positioning rod (39) and a female screw hole are provided in the attachment plate (13), respectively. Two through holes (42) connected to the holes (41) are installed, and a restriction block (43) that can abut against the side of the cover (10) is further installed inside the mounting plate (13). The mahjong machine tile lift-up mechanism according to claim 7, wherein the signal receiver (8) or the signal transmitter (9) is installed on an inner end surface of the mounting plate (13). The drive assembly (2) includes a driver (15), a first transmission gear (16) is fixedly connected to the output shaft of the driver (15), and a first transmission gear (16) is connected to one side of the first transmission gear (16). The first drive gear (17) for driving the tile lift-up base (1) to move up and down is meshed and connected, and the other side has a cam structure (3) in the interlocking assembly (3) to operate. A second transmission gear (18) for driving the second transmission gear (18) is meshed with the second transmission gear (18), and a second drive gear (19) is meshed with the second transmission gear (18) on the side remote from the first transmission gear (16). The first drive gear (17) and the second drive gear (19) are each connected to the tile lift-up base (1) via the rocker arm push/pull structure (20), and the first drive gear ( 16), the second transmission gear (18), the first drive gear (17), and the second transmission gear (18) have the same diameter,
The rocker arm push/pull structure (20) includes:
An elevating plate (21), the elevating plate (21) is fixed to the bottom of the tile lift-up base (1), and a first drive gear (17) is provided on both sides of the bottom of the elevating plate (21), respectively. ) and a second drive gear (19), two jack-up parts (22) are installed symmetrically, and the jack-up part (22) has an arcuate cross section and protrudes downward, an elevating plate (21) provided with an arc-shaped transition portion (23) at a connection point between the portion (22) and the elevating plate (21);
A jack-up rocker arm (24), two jack-up rocker arms (24) are installed and fixed to a first drive gear (17) and a second drive gear (19), respectively, and When the first roller (25) is further rotationally connected to the arm (24) and the tile lift-up base (1) rises to the end of the stroke, both the first rollers of the two jack-up rocker arms (24) including a jack-up rocker arm (24) that comes into contact with the lowest point of the jack-up part (22);
further comprising a lift restriction structure (26) for restricting the lift plate (21);
Two symmetrically installed pull-down arms (27) are further provided at the bottom of the lifting plate (21), and a pull-down passage (28) is provided between the pull-down arms (27) and the lifting plate (21). ), the pull-down arm (27) extends from the center of the lifting plate (21) to the side closer to the jack-up part (22), and the outer end of the pull-down arm (27) is inclined downward. the first roller (25) can abut on the inner side of the outer end of the pull-down arm (27);
The lift-up restriction structure (26) includes two restriction bases (29) installed vertically, and two restriction rods (30) installed vertically at the bottom of the tile lift-up base (1). are fixedly connected, the lower end of the restriction rod (30) is inserted into the restriction slot located in the restriction base (29), and the two restriction bases (29) are respectively mounted on both sides of the lifting plate (21). The mahjong machine tile lift-up mechanism according to any one of claims 6 to 8, characterized in that: The interlocking assembly (3) further includes a transmission rocker arm (31), a transmission shaft (34), and a tile pushing rocker arm (35),
A second roller (32) that contacts the cam (11) is rotatably connected to the transmission rocker arm (31), and an arc-shaped transmission window (33) is further provided on the side of the cover (10). ,
The end of the transmission rocker arm (31) remote from the second roller (32) is fixedly fitted onto the transmission shaft (34),
The tile pushing rocker arm (35) is fixedly fitted onto the transmission shaft (34) and installed parallel to the transmission rocker arm (31), and the tile pushing rocker arm (35) is installed in two pieces. The tile pushing rocker arms (35) are respectively located at both ends of the transmission shaft (34) and are connected to the tile pushing assembly;
The cam (11) has a tile pushing part (36), a return stroke part (37), and a plane crossing part (38), and the tile pushing part (36) has a return stroke part (37). The flat transition portion (38) is connected to the end remote from the flat transition portion (38), and the flat transition portion (38) is flat and has a semicircular cross section. The lower point and the end connected to the return stroke part (37) of the tile pushing part (36) is the highest point of the cam (11), and the tile pushing part (36) and the return stroke part (37) , are installed symmetrically along the center line of the plane crossing section (38), the signal receiver (8) or the signal transmitter (9) is installed at the center of the plane crossing section (38), and the tile The pushing part (36) and the return stroke part (37) are both arcuate,
When the cam (11) rotates and the second roller (32) is at the transition section, the second roller (32) rotates and the transmission rocker arm (31) does not move.
When the cam rotates and the second roller (32) is in the tile pushing part (36), the second roller (32) rotates and the transmission rocker arm (31) rotates inward;
When the cam rotates and the second roller (32) is in the return stroke (37), the second roller (32) rotates and the transmission rocker arm (31) rotates outward. The mahjong machine tile lift-up mechanism according to claim 8.