Mahjong machine with sloped cards

By integrating the lift box with the countertop and using a slope lift mechanism, the problems of low installation accuracy and long manual leveling time of automatic mahjong machine lift board are solved, and high-precision and rapid installation and use of mahjong machine are achieved.

CN110787448BActive Publication Date: 2024-12-17唐加红
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Patent Information

Application Number
CN201911246952.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2019-12-06
Publication Date
2024-12-17
Estimated Expiration
2039-12-06

AI Technical Summary

Technical Problem

The installation accuracy of the existing automatic mahjong machine is not high, which makes the mahjong cards easy to fall off. The desktop panel and the card box are split. When installing multiple card box, it requires manual leveling, which is long and inaccurate.

Method used

A mahjong machine with sloped cards was designed, which includes a base plate, a tabletop, a countertop and a sloped card-up mechanism. The card-up box and the tabletop are formed as one. The upward and downward swing of the plate-up plate is achieved through the sloped card-up mechanism, which simplifies the installation process. And improve accuracy.

Benefits of technology

It realizes high-precision installation of mahjong machines, shortens installation time, avoids the need for manual leveling, and improves the installation accuracy and use efficiency of the upgrade box.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application discloses a mahjong machine with a ramped card output, and relates to the technical field of gaming equipment. The mahjong machine with a ramped card output of the present application includes a bottom plate, a desktop plate, a table top, and a ramped card-elevating mechanism. The desktop plate is located above the bottom plate, and the desktop plate has four card output ports; the table top is sandwiched between the desktop plate and the bottom plate, and has four card-elevating ports corresponding to the four card output ports, respectively, and the table top is provided with a card-elevating box at the card-elevating port, and a card-elevating plate is hinged on the card-elevating box; the ramped card-elevating mechanism is transmission-connected to the card-elevating plate, and is used to drive the card-elevating plate to swing up and down; wherein the card-elevating box and the table top are integrally formed. The present application has high precision by integrally forming the card-elevating box and the table top, and multiple card-elevating boxes are located on the table top, so there is no need to debug each card-elevating box one by one, the installation time is short, and the installation precision is high.
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Description

Technical Field

[0001] The present application relates to the technical field of gaming equipment, and in particular to a mahjong machine with a sloped card-discharging method. Background Art

[0002] The existing automatic mahjong machine has a table top and multiple card-lifting devices. The card-lifting device includes a swingable card-lifting plate and a card-lifting box. The card-lifting plate is used to transfer the mahjong tiles transmitted by the card-pulling head to the table top. Since the card-lifting plate needs to be converted between an inclined state and a horizontal state relative to the table top, if the installation accuracy of the card-lifting plate is not high, the angle change of the card-lifting plate and the movement inertia of the mahjong tiles will cause the mahjong tiles to easily fall from the inclined card-lifting plate and may fall on the table top or in the card path, thereby requiring reshuffling or causing the mahjong machine to malfunction. Therefore, the mahjong machine has high requirements on the installation accuracy of the card-lifting plates and the card-lifting boxes of each card-lifting device.

[0003] However, the existing automatic mahjong machine table top and the card-raising box are split, and manual leveling is always required when installing multiple card-raising boxes, which takes a long time and is not accurate. Summary of the invention

[0004] The purpose of the present application is to provide a mahjong machine with a sloped card-discharging method, which can be easily installed and has high installation accuracy.

[0005] The embodiment of the present application is implemented as follows:

[0006] A mahjong machine with a sloped card-discharging function, comprising a bottom plate, a table top plate, a table top and a sloped card-lifting mechanism, wherein the table top plate is located above the bottom plate, and the table top plate has four card-discharging ports; the table top is sandwiched between the table top plate and the bottom plate, and has four card-lifting ports corresponding to the four card-discharging ports respectively, and the table top is provided with a card-lifting box at the card-lifting port, and a card-lifting plate is hinged on the card-lifting box; the sloped card-lifting mechanism is transmission-connected to the card-lifting plate, and is used for driving the card-lifting plate to swing up and down; wherein the card-lifting box and the table top are integrally formed.

[0007] In one embodiment, the slope card-lifting mechanism includes a frame, a card-lifting rocker arm and a swinging piece. The card-lifting rocker arm includes a first rod, a second rod and a third rod. The two ends of the second rod are respectively connected to the first rod and the second rod, and the first rod is provided with a first slide groove; the swinging piece can be swingably connected to the frame, and the swinging piece has a first connecting part, and the first connecting part is arranged in the first slide groove for driving the first rod to swing; wherein, the card-lifting box is provided with an installation opening, and the second rod is inserted into the installation opening and is connected and fixed to the card-lifting box; the third rod is arranged in the card-lifting box, and the third rod has a second connecting part at an end close to the card-lifting plate, and the second connecting part is used to push the card-lifting plate to swing.

[0008] In one embodiment, the first rod has a first surface opposite to the swinging member and a second surface facing the bottom plate; the first sliding groove is disposed on the first surface and passes through the second surface.

[0009] In one embodiment, the bottom surface of the card-raising plate is connected to a second slide groove, the second connecting portion is provided with a second pulley, and the second pulley is embedded in the second slide groove; wherein, when the card-raising rocker arm swings, the second pulley can slide relative to the second slide groove and drive the card-raising plate to swing.

[0010] In one embodiment, the card-raising box includes a first plate, a second plate and a third plate, and the first plate, the second plate and the third plate are all connected to the card-raising port, wherein the two side walls of the second plate are respectively connected to the first plate and the third plate; a third slide groove is provided on the first plate, and the third slide groove is used to form the installation opening.

[0011] In one embodiment, the card-raising box includes a connecting card plate, which is detachably connected to the first plate and is used to cover the third slide slot, and the installation opening is formed by the connecting card plate and the third slide slot.

[0012] In one embodiment, the second plate includes a bending plate and an inclined plate connected in sequence, the bending plate is connected to the card-raising port, the inclined plate is provided with a mounting groove, a shaft cover is detachably connected to the mounting groove, and the shaft cover is used to limit the movement of the second rod.

[0013] In one embodiment, a hinge seat is provided on the bending plate, and the card-lifting plate is hinged on the hinge seat; when the card-lifting plate swings to a first preset position, the upper surface of the card-lifting plate and the upper surface of the desktop plate are located on the same plane.

[0014] In one embodiment, a magnetic box is provided in the card-raising port, and the magnetic box is used to install a magnet; when the card-raising board swings to a first preset position, the upper surface of the card-raising board, the upper surface of the magnetic box and the upper surface of the desktop board are all located on the same plane.

[0015] In one embodiment, the ramp card lifting mechanism includes a driving member, which is disposed on the frame and is transmission-connected to the swing member to drive the swing member to swing.

[0016] In one embodiment, an open slot is provided on the brand-raising plate, a plug is hinged in the open slot, and a reset torsion spring is connected at the hinge between the plug and the open slot.

[0017] The beneficial effects of the present application compared with the prior art are: the present application has high precision by forming the card upgrading box and the table top as one piece, and multiple card upgrading boxes are all located on the table top, so there is no need to debug each card upgrading box one by one, the installation time is short, and the installation accuracy is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a schematic diagram of the structure of a mahjong machine with a ramp-shaped card-discharging function according to an embodiment of the present application;

[0020] Figure 2 A schematic diagram of the structure of a mahjong machine with a ramp for discharging cards when the card raising plate swings upward to a first preset position according to an embodiment of the present application;

[0021] Figure 3 A schematic diagram of the structure of a mahjong machine with a ramp for discharging cards when the card raising plate swings upward to a first preset position according to an embodiment of the present application;

[0022] Figure 4 For this application Figure 3 A magnified view of part A;

[0023] Figure 5 A schematic diagram of the structure of a mahjong machine with a ramp for discharging cards when the card raising plate swings downward to a second preset position according to an embodiment of the present application;

[0024] Figure 6 For this application Figure 5 A magnified view of part B;

[0025] Figure 7 This is a schematic diagram of the structure of a lifting rocker arm according to an embodiment of the present application;

[0026] Figure 8 This is a schematic diagram of the structure of a brand-raising board according to an embodiment of the present application;

[0027] Fig. 9 This is a schematic diagram of the structure of a brand-raising board according to an embodiment of the present application;

[0028] Fig.10 This is a schematic diagram of the structure of a connection card board shown in one embodiment of the present application.

[0029] Icons: 100 - Mahjong machine with sloping card output; 1 - Mahjong conveying system; 11 - conveying device; 12 - card path; 2 - bottom plate; 3 - table top; 31 - card output port; 4 - table top; 41 - card lifting port; 42 - card lifting box; 421 - first plate; 4211 - third slide; 42111 - upper slot section; 42112 - lower slot section; 4212 - buckling groove; 4213 - first notch; 422 - second plate; 4221 - bending plate; 4222 - inclined plate; 4223 - hinged seat; 4224 - mounting groove; 4225 - shaft cover; 4226 - snap ring; 423 - third plate; 424 - connecting card plate; 424a - bevel Surface; 4241-convex strip; 4242-hook; 4243-second notch; 4244-extending plate; 425-installation opening; 5-lifting plate; 51-second slide slot; 52-opening slot; 53-plug; 6-slope lifting mechanism; 61-frame; 62-lifting rocker arm; 621-first rod; 6211-first slide slot; 621a-first surface; 621b-second surface; 621c-expanding surface; 622-second rod; 623-third rod; 6231-second connecting part; 6232-second pulley; 6233-protruding structure; 63-swinging member; 631-first connecting part; 64-driving member; 7-magnetic box. DETAILED DESCRIPTION

[0030] The terms “first”, “second”, “third”, etc. are only used for distinguishing descriptions and do not indicate the order of arrangement, nor can they be understood as indicating or implying relative importance.

[0031] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0032] In the description of the present application, it should be noted that the terms "inside", "outside", "left", "right", "up", "down", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the products of the present application are usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present application.

[0033] In the description of this application, unless otherwise clearly specified and limited, the terms "set", "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements.

[0034] The technical solution of the present application will be described clearly and completely below in conjunction with the accompanying drawings.

[0035] Please refer to Figure 1 , which is a schematic diagram of the structure of a mahjong machine 100 with a ramped card output according to an embodiment of the present application. A mahjong machine 100 with a ramped card output comprises a bottom plate 2, a table top plate 3 and a table top 4, wherein the table top plate 3 is located above the bottom plate 2 and has four card output ports 31; and the table top 4 is sandwiched between the table top plate 3 and the bottom plate 2.

[0036] Please refer to Figure 2 , which is a schematic structural diagram of a mahjong machine 100 with a ramped card output when the card-elevating plate 5 swings upward to a first preset position, according to an embodiment of the present application. The mahjong machine 100 with a ramped card output includes a ramped card-elevating mechanism 6. The table top 4 has four card-elevating openings 41 corresponding to the four card-output openings 31, respectively. The table top 4 is provided with a card-elevating box 42 at each card-elevating opening 41, and a card-elevating plate 5 is hinged on the card-elevating box 42; the ramped card-elevating mechanism 6 is transmission-connected to the card-elevating plate 5, and is used to drive the card-elevating plate 5 to swing; wherein the card-elevating box 42 and the table top 4 are integrally formed.

[0037] A magnetic box 7 is provided in the card raising port 41 for mounting magnets, which are used to guide the movement of mahjong tiles on the card raising plate 5, thereby stabilizing the mahjong tiles so that the tiles will not shift and preventing the tiles from falling or being exposed due to flipping.

[0038] The bottom plate 2 is provided with four mahjong conveying systems 1 , the mahjong conveying system 1 includes a conveying device 11 and a mahjong path 12 , and the mahjong path 12 is connected to each mahjong raising box 42 .

[0039] In an operation process, when the conveying device 11 conveys the shuffled cards to the card path 12, and conveys them along the card path 12 of the card pulling device, and conveys them to the upper surface of the card lifting board 5 where the card lifting box 42 has descended and tilted, after the mahjong cards are conveyed, the ramp card lifting mechanism 6 drives the card lifting board 5 to swing upward, and the mahjong cards are conveyed to the desktop board 3 through the card lifting board 5. Among them, when the card lifting board 5 swings to the first preset position, the upper surface of the card lifting board 5, the upper surface of the magnetic box 7 and the desktop board 3 (please refer to Figure 1 ) are located on the same plane.

[0040] In this embodiment, the card upgrading box 42 and the table top 4 are integrally formed, so the precision is high, and multiple card upgrading boxes 42 are located on the table top 4, and there is no need to debug each card upgrading box 42 one by one. The installation time is short, the labor cost is low, and no overlapping tolerance is generated during installation, so the installation precision is high.

[0041] Please refer to Figure 3, which is a structural schematic diagram of a mahjong machine 100 for discharging cards at an inclined angle when the card raising plate 5 swings upward to the first preset position according to an embodiment of the present application. Figure 4 , which is the present application Figure 3 The A part of the ramp card-lifting mechanism 6 comprises a frame 61, a card-lifting rocker arm 62 and a swinging member 63. The card-lifting rocker arm 62 comprises a first rod 621, a second rod 622 and a third rod 623. The two ends of the second rod 622 are respectively connected to the first rod 621 and the second rod 622. The first rod 621 is provided with a first slide groove 6211. The swinging member 63 is swingably connected to the frame 61. The swinging member 63 has a first connecting portion 631. The first connecting portion 631 is arranged in the first slide groove 6211 and is used to drive the first rod 621 to swing. The card-lifting box 42 is provided with an installation opening 425. The second rod 622 is inserted into the installation opening 425 and is fixedly connected to the card-lifting box 42. The third rod 623 is arranged in the card-lifting box 42, and the third rod 623 has a second connecting portion 6231 at one end close to the card-lifting plate 5. The second connecting portion 6231 is used to push the card-lifting plate 5 to swing.

[0042] The ramp card lifting mechanism 6 includes a driving member 64, which is arranged on the frame 61 and is transmission-connected with the swing member 63 to drive the swing member 63 to swing. The driving member 64 can be an electric motor or a motor. The swing member 63 can be a cam. The first connecting part 631 can be a cylindrical protrusion on the surface, or a roller.

[0043] The second plate 422 is provided with a mounting groove 4224 , and a shaft cover 4225 is detachably connected to the mounting groove 4224 by bolt connection or the like. The shaft cover 4225 is used to limit the upward movement of the second rod 622 .

[0044] A snap ring 4226 matching the second plate 422 is provided in the mounting groove 4224. The snap ring 4226 is in a semicircular or partial circular shape. The snap ring 4226 matches the second plate 422 on one hand, and can abut against the third rod 623 on the other hand, so as to limit the movement of the third rod 623 along the axis direction of the second rod 622, and prevent the lifting rocker arm 62 from being dislocated and causing the lifting plate 5 to move unsmoothly.

[0045] Please refer to Figure 5 , which is a structural schematic diagram of a mahjong machine 100 for discharging cards at an inclined angle when the card raising plate 5 swings downward to the second preset position according to an embodiment of the present application. Figure 6 , which is the present application Figure 5 In an operation process, when the driving member 64 drives the swinging member 63 to swing, the swinging member 63 drives the first rod 621 to swing, and the swinging of the first rod 621 drives the third rod 623 to swing, thereby driving the card-lifting plate 5 to swing up and down, and the state of the card-lifting plate 5 is changed between the first preset position and the second preset position.

[0046] When the card-raising board 5 swings upward to the first preset position, the card-raising board 5 swings upward to be flush with the desktop board 3, and when the card-raising board 5 swings downward to the second preset position, the card-raising board 5 swings downward to be docked with the card path 12 (please refer to Figure 2 ).

[0047] Please refer to Figure 7 , which is a schematic diagram of the structure of the lifting rocker arm 62 shown in an embodiment of the present application. The second rod 622 and the third rod 623 are cylindrical structures. The first rod 621 is a plate structure, having a first surface 621a opposite to the swing member 63, and a second surface 621b facing the bottom plate 2; the first slide groove 6211 is provided on the first surface 621a and passes through the second surface 621b. In this embodiment, two opposite flared surfaces 621c are provided on the second surface 621b at the junction with the first slide groove 6211, which is conducive to the first connecting portion 631 extending into the first slide groove 6211.

[0048] During an operation, the second surface 621 b of the first rod 621 is directed toward the first connection portion 631 , and the first connection portion 631 can be directly inserted into the first sliding groove 6211 , which is convenient for installation.

[0049] The first rod 621, the second rod 622 and the third rod 623 can be connected in a split manner or can be integrally formed. When the first rod 621, the second rod 622 and the third rod 623 are connected and fixed, the first rod 621, the second rod 622 and the third rod 623 cannot rotate relative to each other.

[0050] The third rod 623 has a protruding structure 6233 at one end connected to the second rod 622, and a second pulley 6232 at the other end. The protruding structure 6233 is used to engage with the snap ring 4226 (see Figure 4 The protruding structure 6233 may be a cylindrical protrusion. The second pulley 6232 may be a cylindrical protrusion or a roller.

[0051] Please refer to Figure 8 , which is a schematic diagram of the structure of the brand-raising board 5 shown in an embodiment of the present application. The bottom surface of the brand-raising board 5 is connected to the second slide groove 51, and the second connecting portion 6231 is provided with a second pulley 6232. The second pulley 6232 (please refer to Figure 7 ) is embedded in the second slide groove 51; wherein, when the lifting rocker arm 62 swings, the second pulley 6232 can slide relative to the second slide groove 51 and drive the lifting plate 5 to swing.

[0052] The card raising plate 5 is provided with an open slot 52, a plug 53 is hinged in the open slot 52, and a reset torsion spring is connected at the hinge between the plug 53 and the open slot 52. In an operation process, the plug 53 can be rotated downward under the action of the card pulling head of the card pulling device, and the card pulling head extends into the open slot 52, so that the mahjong cards are transported to the card raising plate 5. When the card pulling head leaves, the plug 53 is reset under the action of the reset torsion spring and blocks the open slot 52 again.

[0053] In one embodiment, the brand-lifting board 5 may be composed of a plastic part and an iron sheet. For example, an iron sheet is provided on a plastic board to improve the overall flatness of the brand-lifting board 5 .

[0054] Please refer to Fig. 9 , which is a schematic diagram of the structure of the card-raising plate 5 shown in an embodiment of the present application. The card-raising box 42 includes a first plate 421, a second plate 422 and a third plate 423, and the first plate 421, the second plate 422 and the third plate 423 are all connected to the card-raising port 41, wherein the two side walls of the second plate 422 are respectively connected to the first plate 421 and the third plate 423; the first plate 421 is provided with a third slide 4211, and the third slide 4211 is used to form an installation opening 425. In this embodiment, the groove width of the third slide 4211 is reduced from top to bottom, and the third slide 4211 includes two sections of slides, namely an upper groove section 42111 and a lower groove section 42112. The groove width of the upper groove section 42111 is greater than the groove width of the lower groove section 42112, so that it can be used for the installation of the card-raising rocker arm 62.

[0055] The second plate 422 includes a bending plate 4221 and an inclined plate 4222 connected in sequence. The bending plate 4221 is connected to the card-raising port 41, and the mounting groove 4224 is provided on the inclined plate 4222. The bending plate 4221 is provided with a hinge seat 4223, and the card-raising plate 5 (please refer to Figure 8 ) is hinged on the hinge seat 4223.

[0056] The upper surface of the first plate 421 is provided with a plurality of engaging grooves 4212. The height of the first plate 421 is lower than that of the third plate 423, so that it can be engaged with the convex strips 4241 (see Fig.10 In this embodiment, the height of the first plate 421 plus the height of the convex strip 4241 equals the height of the third plate 423.

[0057] One or more first notches 4213 are provided at the connection between the first plate 421 and the second plate 422 .

[0058] Please refer to Fig.10 , which is a schematic diagram of the structure of the connecting card plate 424 shown in an embodiment of the present application. The card box 42 includes a connecting card plate 424, which is detachably connected to the first plate 421 (please refer to Fig. 9) is used to cover the third slide slot 4211, and the installation opening 425 is formed by connecting the card plate 424 and the third slide slot 4211. In this embodiment, the connecting card plate 424 is arranged in the card raising box 42.

[0059] The connecting plate 424 is a structure similar to a triangular plate. The connecting plate 424 has a bevel surface 424a and a second plate 422 (see Fig. 9 The bevel surface 424a is provided with a second notch 4243 for avoiding the shaft cover 4225, and a protruding plate 4244 that can extend into the first notch 4213.

[0060] The upper surface of the connecting card plate 424 is provided with a convex strip 4241, and the bottom surface of the convex strip 4241 is provided with a plurality of buckling grooves 4212 (see Fig. 9 ) matching clasp 4242.

[0061] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A mahjong machine with a ramp for playing cards, characterized in that: include: Base plate; The desktop panel is located above the bottom panel and has four card outlets; A table top is sandwiched between the table top and the bottom plate, and has four card-raising openings corresponding to the four card outlets respectively, and the table top is provided with a card-raising box at the card-raising opening, a card-raising board is hinged on the card-raising box, and a second slide is connected to the bottom surface of the card-raising board; and A ramp card-lifting mechanism is transmission-connected with the card-lifting plate and is used for driving the card-lifting plate to swing up and down. The ramp card-lifting mechanism comprises a frame, a card-lifting rocker arm and a swinging member. The card-lifting rocker arm comprises a first rod, a second rod and a third rod. The two ends of the second rod are respectively connected with the first rod and the third rod. The first rod is provided with a first slide groove. The swinging member can be swingably connected to the frame. The swinging member has a first connecting part, and the first connecting part is arranged in the first slide groove, and is used for driving the first rod to swing. The third rod has a second connecting part at an end portion close to the card-lifting plate, and the second connecting part is provided with a second pulley, and the second pulley is embedded in the second slide groove. When the card-lifting rocker arm swings, the second pulley can slide relative to the second slide groove and drive the card-lifting plate to swing. The first rod has a first surface opposite to the swinging member, and a second surface facing the bottom plate; The first slide groove is arranged on the first surface and passes through the second surface, and two opposite flared surfaces are arranged on the second surface at the junction with the first slide groove; wherein the card-lifting box and the table top are integrally formed; The card-raising box comprises a first plate, a second plate and a third plate, wherein the first plate, the second plate and the third plate are all connected to the card-raising port, wherein the two side walls of the second plate are respectively connected to the first plate and the third plate, and the first plate is provided with a third slide groove, and the third slide groove is used to form an installation opening; The slot width of the third chute is set to decrease from top to bottom, and the third chute includes an upper slot section and a lower slot section, and the slot width of the upper slot section is greater than the slot width of the lower slot section.

2. The mahjong machine with a ramp for discharging tiles according to claim 1, characterized in that: The card upgrading box is provided with an installation opening, and the second rod is inserted into the installation opening and is connected and fixed to the card upgrading box; The third rod is arranged in the card raising box.

3. The mahjong machine with a ramp for discharging tiles according to claim 1, characterized in that: The card-raising box includes a connecting card plate, which is detachably connected to the first plate and is used to cover the third slide slot. The installation opening is formed by the connecting card plate and the third slide slot.

4. The mahjong machine with a ramp-out method according to claim 3, characterized in that: The second plate includes a bending plate and an inclined plate connected in sequence, the bending plate is connected to the card-raising port, a mounting groove is provided on the inclined plate, a shaft cover is detachably connected in the mounting groove, and the shaft cover is used to limit the movement of the second rod.

5. The mahjong machine with a ramp for discharging tiles according to claim 4, characterized in that: The bending plate is provided with a hinge seat, and the brand-raising plate is hinged on the hinge seat; A magnetic box is provided in the card-raising port; When the card-lifting plate swings upward to a first preset position, the upper surface of the card-lifting plate, the upper surface of the magnetic box and the upper surface of the desktop plate are all located on the same plane.

6. The mahjong machine with a ramp for discharging tiles according to claim 2, characterized in that: The slope lifting mechanism comprises: The driving member is arranged on the frame and is drivingly connected with the swing member to drive the swing member to swing.

7. The mahjong machine with a ramp for discharging tiles according to claim 1, characterized in that: An open slot is arranged on the brand-raising plate, a plug is hinged in the open slot, and a reset torsion spring is connected at the hinge between the plug and the open slot.