CN110841274A - Bottom plate of electric card arranging machine and electric card arranging machine - Google Patents
Bottom plate of electric card arranging machine and electric card arranging machine Download PDFInfo
- Publication number
- CN110841274A CN110841274A CN201911052272.5A CN201911052272A CN110841274A CN 110841274 A CN110841274 A CN 110841274A CN 201911052272 A CN201911052272 A CN 201911052272A CN 110841274 A CN110841274 A CN 110841274A
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- China
- Prior art keywords
- bottom plate
- arranging machine
- electric card
- card arranging
- protrusion
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F9/00—Games not otherwise provided for
- A63F9/20—Dominoes or like games; Mah-Jongg games
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F9/00—Games not otherwise provided for
- A63F9/20—Dominoes or like games; Mah-Jongg games
- A63F2009/205—Mah-jongg games
Abstract
The invention discloses a bottom plate of an electric card arranging machine and the electric card arranging machine, belonging to the field of chess and card entertainment equipment and solving the problems of low strength, high manufacturing cost and the like of the existing bottom plate; and a support structure supported between the first and second base plates. When first bottom plate and second bottom plate receive external force oppression, through bearing structure to the other side transmission effort, first bottom plate and second bottom plate share the atress, compare the intensity of current individual layer bottom plate and have showing the promotion, bearing structure still plays the effect of dispersion effort between first bottom plate and second bottom plate, and the bottom plate atress distributes more evenly, and the anti-deformation effect is better. The first bottom plate and the second bottom plate can be made of relatively thin metal plates with low cost so as to obtain good processing performance and take structural strength and manufacturing cost of the bottom plates into consideration.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of chess and card entertainment equipment, in particular to a bottom plate of an electric card arranging machine and the electric card arranging machine.
[ background of the invention ]
Automatic mahjong machine includes frame and core usually, places the space that the frame encloses in the core in, prevents that user direct contact from the inside mechanical parts of core, and the frame bottom sets up the bottom plate, and the core is installed on the bottom plate, consequently all has higher requirement to intensity, roughness and the accommodation space of bottom plate. In order to enable the bottom plate to meet the safe use requirement, the bottom plate is usually made of a thick metal plate in the prior art, the processing difficulty and cost of the bottom plate are increased, the weight of the machine core is continuously increased along with the increase of functions of the mahjong machine, and the requirements of the strength, the manufacturing cost and other aspects of the bottom plate are difficult to be considered only by increasing the thickness of the original material of the bottom plate and arranging reinforcing ribs.
[ summary of the invention ]
The invention aims to overcome the defects of the prior art and provide a bottom plate of an electric card arranging machine, and the structure of the bottom plate is optimized, so that the structural strength and the manufacturing cost of the bottom plate can be considered at the same time.
In order to solve the technical problems, the invention adopts the following technical scheme:
bottom plate of electronic reason tablet machine includes:
the first bottom plate and the second bottom plate are arranged in a stacked mode and form a cavity in a surrounding mode; and the number of the first and second groups,
a support structure supported between the first base plate and the second base plate.
In the base plate of the electric card arranging machine, the support structure comprises a first protrusion integrally formed on the first base plate, and the first protrusion is abutted against or fixedly connected with the second base plate.
In the base plate of the electric card arranging machine, the support structure comprises a second protrusion integrally formed on the second base plate, and the second protrusion is abutted against or fixedly connected with the first base plate.
In the bottom plate of above-mentioned electronic reason tablet machine, bearing structure including integrated into one piece in first arch on the first bottom plate with integrated into one piece in the second arch on the second bottom plate, first arch with the second arch dislocation distribution or counterbalance or fixed connection.
In the base plate of the electric card arranging machine, the support structure is a support member independently arranged between the first base plate and the second base plate, and two ends of the support member are respectively abutted against or fixedly connected with the first base plate and the second base plate.
In the bottom plate of the electric card arranging machine, the edge of the second bottom plate is provided with a vertical flanging extending upwards and a transverse flanging bent inwards from the vertical flanging, and the edge of the first bottom plate is overlapped or fixed on the transverse flanging.
In the bottom plate of the electric card arranging machine, the transverse flanging is provided with a step for positioning the first bottom plate.
In the bottom plate of the electric card arranging machine, a sinking platform used for installing a central lifting mechanism of the mahjong machine is arranged in the central area of the first bottom plate, and the sinking platform is abutted or fixedly connected with the second bottom plate.
In the bottom plate of the electric card arranging machine, the first bottom plate is provided with a groove for accommodating the large-disc supporting wheel and/or the card turning magnet.
The invention also provides an electric card arranging machine which comprises the bottom plate in any technical scheme.
The invention has the beneficial effects that:
the bottom plate of the electric card arranging machine provided by the invention adopts a composite structure, namely the first bottom plate and the second bottom plate are arranged in a stacked mode, the supporting structure is supported between the first bottom plate and the second bottom plate, the first bottom plate and the second bottom plate cannot bear load independently due to the effect of the supporting structure, when the first bottom plate and the second bottom plate are pressed by external force, acting force is transmitted to the opposite side through the supporting structure, the first bottom plate and the second bottom plate share the acting force, compared with the existing single-layer bottom plate, the strength is obviously improved, the supporting structure has the effect of dispersing the acting force between the first bottom plate and the second bottom plate, the stress distribution of the bottom plates is more uniform, and the anti-deformation effect is better. Because the whole intensity of the bottom plate is improved, the first bottom plate and the second bottom plate can be made of relatively thin metal plates with lower cost so as to obtain good processing performance and take structural intensity and manufacturing cost of the bottom plate into consideration.
The first bottom plate and the second bottom plate enclose a cavity, the weight of the bottom plate is reduced due to the hollow structure design, the thickness of the bottom plate on the appearance is enhanced, and the bottom plate has good holding hand feeling during dismounting and maintenance. Moreover, in the use of the electric card arranging machine, the noise generated by the operation of the machine core enters the cavity, is reflected and attenuated in the cavity and then is transmitted out of the bottom plate, so that the noise transmitted out by the electric card arranging machine in the operation process is reduced, and the use experience is improved.
These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.
[ description of the drawings ]
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic perspective view of a base plate according to an embodiment of the present invention;
FIG. 2 is an exploded view of a base plate according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a base plate according to an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a schematic cross-sectional view of a base plate according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a base plate according to an embodiment of the present invention;
fig. 7 is a schematic view of the mounting of the large plate support wheel, the tile turning magnet and the center lift mechanism on the base plate according to one embodiment of the present invention.
Reference numerals:
100 a first bottom plate, 110 a first protrusion, 120 a sinking platform, 121 a first mounting hole, 122 a second mounting hole, 130 a groove, 140 a side sinking platform;
200, a second bottom plate, 210 vertical flanges, 220 transverse flanges, 221 steps and 230 second protrusions;
300 a cavity;
400 base, 410 lifting rod;
500 big disc motor
600 card turning magnet;
the 700 large disc supports the wheels.
[ detailed description ] embodiments
The bottom plate of the electric card arranging machine provided by the invention adopts a composite structure, namely the first bottom plate and the second bottom plate are arranged in a stacked mode, the supporting structure is supported between the first bottom plate and the second bottom plate, the first bottom plate and the second bottom plate cannot bear load independently due to the effect of the supporting structure, when the first bottom plate and the second bottom plate are pressed by external force, acting force is transmitted to the opposite side through the supporting structure, the first bottom plate and the second bottom plate share the acting force, compared with the existing single-layer bottom plate, the strength is obviously improved, the supporting structure has the effect of dispersing the acting force between the first bottom plate and the second bottom plate, the stress distribution of the bottom plates is more uniform, and the anti-deformation effect is better. Because the whole intensity of the bottom plate is improved, the first bottom plate and the second bottom plate can be made of relatively thin metal plates with lower cost so as to obtain good processing performance and take structural intensity and manufacturing cost of the bottom plate into consideration. The first bottom plate and the second bottom plate enclose a cavity, the weight of the bottom plate is reduced due to the hollow structure design, the thickness of the bottom plate on the appearance is enhanced, and the bottom plate has good holding hand feeling during dismounting and maintenance. Moreover, in the use of the electric card arranging machine, the noise generated by the operation of the machine core enters the cavity, is reflected and attenuated in the cavity and then is transmitted out of the bottom plate, so that the noise transmitted out by the electric card arranging machine in the operation process is reduced, and the use experience is improved.
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1 and 2, a base plate of an electric card arranging machine according to an embodiment of the present invention includes: the first bottom plate 100 and the second bottom plate 200 are arranged in a stacked mode, and a cavity 300 is defined by the first bottom plate 100 and the second bottom plate 200; and a support structure supported between the first base plate 100 and the second base plate 200. The first base plate 100 and the second base plate 200 are both metal members.
With reference to fig. 3 and 4, in the present embodiment, the supporting structure includes a first protrusion 110 integrally formed on the first base plate 100, for example, the first protrusion 110 is directly formed on the first base plate 100 through a stamping process, and the first protrusion 110 may be in a shape of a bump or a rib, which is not limited in this embodiment. In order to ensure uniform force, a plurality of first protrusions 110 are generally disposed on the first base plate 100, and the plurality of first protrusions 110 are distributed in a matrix or other irregular manner, which is not particularly limited in this embodiment.
After the first bottom plate 100 and the second bottom plate 200 are assembled, the plurality of first protrusions 110 are all abutted to the second bottom plate 200, and further fixed through welding, screw connection and other modes, so that the connection strength of the first bottom plate 100 and the second bottom plate 200 can be increased, and the local deformation and warping of the first bottom plate 100 and the second bottom plate 200 are avoided. Of course, in some other embodiments, the plurality of first protrusions 110 only abut against the second base plate 200, and the edge portions of the first base plate 100 and the second base plate 200 are fixed by welding, screwing, or the like.
With reference to fig. 3 and 4, in this embodiment, the edge of the second bottom plate 200 is provided with a vertical flange 210 extending upward and a horizontal flange 220 bent inward from the vertical flange 210, and the edge of the first bottom plate 100 is fixed on the horizontal flange 220 by welding, screw connection, or the like, so as to prevent the edges of the first bottom plate 100 and the second bottom plate 200 from deforming and warping. Preferably, the transverse flange 220 is provided with a step 221 for positioning the first bottom plate 100, the step 221 at the edge of the second bottom plate 200 is surrounded to a shape matched with the first bottom plate 100, and when the first bottom plate 100 is covered on the second bottom plate 200 for assembly, the step 221 is limited at the assembly position of the first bottom plate 100 and can limit the transverse displacement of the first bottom plate 100, so that the assembly of the first bottom plate 100 and the second bottom plate 200 is more convenient, and the assembly quality of the first bottom plate 100 and the second bottom plate 200 is improved. Of course, in other embodiments, when other portions of the first bottom panel 100 and the second bottom panel 200 are effectively fixed, such as the fixed connection of the first protrusion 110 and the second bottom panel 200, the edge of the first bottom panel 100 may overlap the lateral flange 220 without being fixed.
It can be understood that: the edge of the first base plate 100 is provided with a flanging structure as described in this embodiment, and is matched with the edge of the second base plate 200, so that the fixed connection of the edge portions of the first base plate 100 and the second base plate 200 can be realized.
According to the bottom plate of the electric card arranging machine in the embodiment, the first protrusion 110 is supported between the first bottom plate 100 and the second bottom plate 200, the first bottom plate 100 and the second bottom plate 200 cannot bear load independently due to the effect of the first protrusion 110, when the first bottom plate 100 and the second bottom plate 200 are pressed by external force, acting force is transmitted to the opposite side through the first protrusion 110, the first bottom plate 100 and the second bottom plate 200 share stress, the strength is remarkably improved compared with that of the existing single-layer bottom plate, the effect of dispersing acting force is further achieved between the first bottom plate 100 and the second bottom plate 200 through the first protrusions 110, stress distribution of the bottom plates is more uniform, and the deformation resistance effect is better. Due to the improvement of the overall strength of the base plate, the first base plate 100 and the second base plate 200 can be made of relatively thin metal plates with low cost, so that good processability can be obtained, and the structural strength and the manufacturing cost of the base plates can be considered.
The first bottom plate 100 and the second bottom plate 200 enclose a cavity 300, the hollow structure design reduces the whole weight of the bottom plate, and the thickness of the bottom plate on the outer shape is enhanced, so that the bottom plate has good holding hand feeling during disassembly, assembly and maintenance. Moreover, in the use of the electric card arranging machine, the noise generated by the work of the machine core enters the cavity 300, is reflected and attenuated in the cavity 300 and then is transmitted out of the bottom plate, so that the noise transmitted out during the work of the electric card arranging machine is reduced, and the use experience is improved.
Referring to fig. 5, in one embodiment of the invention, the supporting structure includes a second protrusion 230 integrally formed on the second base plate 200, for example, the second protrusion 230 is directly formed on the second base plate 200 by a stamping process, etc., and the second protrusion 230 abuts against or is fixedly connected to the first base plate 100. Compared with the previous embodiment, in the present embodiment, the support structure is disposed on the second base plate 200, and the specific implementation manner may refer to the first embodiment.
Referring to fig. 6, in an embodiment of the present invention, the support structure includes a first protrusion 110 integrally formed on the first base plate 100 and a second protrusion 230 integrally formed on the second base plate 200, and the specific implementation manner of the first protrusion 110 and the second protrusion 230 may refer to the foregoing embodiment, but different from the foregoing embodiment, the first protrusion 110 and the second protrusion 230 may abut against or be fixedly connected to each other to achieve the support effect. Of course, referring to the aforementioned embodiment, the first protrusion 110 abuts or is fixedly connected to the second base plate 200, and the second protrusion 230 abuts or is fixedly connected to the first base plate 100, which will not be described in detail.
In one embodiment of the invention, the supporting structure is a supporting member independently arranged between the first base plate and the second base plate, and two ends of the supporting member are respectively abutted against or fixedly connected with the first base plate and the second base plate. The following are exemplary: the supporting structure is a supporting block, a supporting bar or a supporting frame which are independently arranged; during assembly, the supporting structure is fixedly connected to the second bottom plate, and after the first bottom plate covers the second bottom plate, the supporting structure is fixedly connected with the first bottom plate. The fixed connection mentioned in this embodiment may be a conventional mechanical connection such as welding, screwing, etc. Compare preceding embodiment, this embodiment among the technical scheme, because bearing structure independent setting, so can adopt high strength material to make, promote self intensity to guarantee to support the reliability.
Referring to fig. 1 and 7, in an embodiment of the present invention, in addition to any of the above embodiments, a sinking platform 120 for installing a central lifting mechanism of a mahjong machine is disposed in a central region of the first bottom plate 100, and the sinking platform 120 is abutted or fixedly connected to the second bottom plate 200. Specifically, the central lifting mechanism of the mahjong machine comprises a base 400, a lifting rod 410 and a lifting motor, a first mounting hole 121 and a second mounting hole 122 are arranged in the sinking platform 120, the base 400 is fixed in the first mounting hole 121, the lifting motor is arranged in the base 400, and a large-disk motor 500 (used for driving a shuffling disk of the mahjong machine) is fixed in the second mounting hole 122.
Because the above-mentioned a plurality of parts need to be installed in the central region of the bottom plate, under the condition that the central region of the first bottom plate 100 does not provide effective support, the situation of collapsing and deforming easily occurs, and the normal operation of the central lifting mechanism and the shuffling tray is affected, the sinking platform 120 provided in this embodiment not only provides installation space for the central lifting mechanism and the large tray motor, thereby reducing the installation height of the central lifting mechanism and the large tray motor, and saving space, but also the sinking platform 120 is abutted against or fixedly connected with the second bottom plate 200, so that the central region of the first bottom plate 100 is supported by the second bottom plate 200, the bearing capacity of the central region of the first bottom plate 100 is increased, and the central lifting mechanism and the large tray motor are stably supported.
Based on the above concept, four side sinking platforms 140 may be respectively disposed around the first bottom plate 100, the side sinking platforms 140 are used to support a pushing and lifting mechanism of the mahjong machine, the pushing and lifting mechanism is used to arrange mahjong tiles and push the arranged mahjong tiles to a tabletop plate of the mahjong machine according to requirements, and the specific structure and operation principle of the pushing and lifting mechanism may refer to the prior art, which is not described in detail in this embodiment. The side sinking platform 140 provided in this embodiment provides an installation space for the pushing and lifting mechanism, thereby reducing the installation height of the pushing and lifting mechanism and saving space. The side sinking platform 140 and the second base plate 200 are supported by the aforementioned support structure, or the side sinking platform 140 is directly abutted to the second base plate 200.
Referring to fig. 1 and 7, in an embodiment of the present invention, on the basis of any of the above embodiments, the first base plate 100 is provided with a groove 130 for accommodating the large-plate supporting wheel 700 and the card-flipping magnet 600. Specifically, a shuffling tray is arranged above the first bottom plate 100 and is driven to rotate by a shuffling motor, so that the shuffling function is realized; the large plate support wheel 700 is rotatably installed in the groove 130 of the first base plate 100, and supports the shuffling plate to ensure smooth rotation thereof. For the mahjong tiles with built-in magnets, the tile turning magnet 600 is arranged in the groove 130 on the first bottom plate 100, and all the mahjong tiles are arranged to be the same face upwards by utilizing the magnetic pole relationship of the tile turning magnet 600 and the mahjong tile built-in magnets in the shuffling process of the shuffling tray. In the embodiment, the groove 130 is formed in the first base plate 100 to provide an installation space for the large plate supporting wheel 700 and the tile turning magnet 600, so that the installation height of the large plate supporting wheel 700 and the tile turning magnet 600 is reduced, and the space is saved.
In one embodiment of the invention, the electric card arranging machine comprises the bottom plate in any one of the embodiments, and the structural strength of the bottom plate is obviously improved, so that the obtained bearing capacity enables the bottom plate to bear a movement with larger weight, and the functional design requirement of the electric card arranging machine is met.
The electric card arranging machine in the embodiment generally refers to an electric entertainment appliance including an automatic mahjong machine.
While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the invention as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (10)
1. Bottom plate of electronic reason tablet machine, its characterized in that includes:
the first bottom plate and the second bottom plate are arranged in a stacked mode and form a cavity in a surrounding mode; and the number of the first and second groups,
a support structure supported between the first base plate and the second base plate.
2. The bottom plate of an electric card arranging machine as claimed in claim 1, wherein the support structure includes a first protrusion integrally formed on the first bottom plate, the first protrusion abutting or fixedly connecting the second bottom plate.
3. The bottom plate of an electric card arranging machine as claimed in claim 1, wherein the support structure includes a second protrusion integrally formed on the second bottom plate, the second protrusion abutting or fixedly connecting the first bottom plate.
4. The bottom plate of an electric card arranging machine as claimed in claim 1, wherein the supporting structure comprises a first protrusion integrally formed on the first bottom plate and a second protrusion integrally formed on the second bottom plate, and the first protrusion and the second protrusion are distributed in a staggered manner or abut against or are fixedly connected.
5. The bottom plate of an electric card arranging machine as claimed in claim 1, wherein the supporting structure is a supporting member independently provided between the first bottom plate and the second bottom plate, and both ends of the supporting member are respectively abutted against or fixedly connected with the first bottom plate and the second bottom plate.
6. The bottom plate of an electric card arranging machine as claimed in any one of claims 1 to 5, wherein the second bottom plate edge is provided with a vertical flange extending upward and a lateral flange bent inward from the vertical flange, and the first bottom plate edge is overlapped or fixed on the lateral flange.
7. The bottom plate of an electric card arranging machine as claimed in claim 6, wherein the lateral flanges are provided with steps for positioning the first bottom plate.
8. The bottom plate of an electric card arranging machine as claimed in any one of claims 1 to 5, wherein a sinking platform for installing a central lifting mechanism of a mahjong machine is provided in the central region of the first bottom plate, and the sinking platform abuts against or is fixedly connected with the second bottom plate.
9. A base plate of an electric card arranging machine as claimed in any one of claims 1 to 5, wherein the first base plate is provided with a recess for receiving a large plate support wheel and/or for receiving a card turning magnet.
10. An electric card arranging machine comprising a base plate as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911052272.5A CN110841274A (en) | 2019-10-31 | 2019-10-31 | Bottom plate of electric card arranging machine and electric card arranging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911052272.5A CN110841274A (en) | 2019-10-31 | 2019-10-31 | Bottom plate of electric card arranging machine and electric card arranging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110841274A true CN110841274A (en) | 2020-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911052272.5A Pending CN110841274A (en) | 2019-10-31 | 2019-10-31 | Bottom plate of electric card arranging machine and electric card arranging machine |
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| CN (1) | CN110841274A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112494926A (en) * | 2020-11-16 | 2021-03-16 | 阜阳杭诚电子科技有限公司 | Combined type mahjong machine base and processing technology thereof |
-
2019
- 2019-10-31 CN CN201911052272.5A patent/CN110841274A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112494926A (en) * | 2020-11-16 | 2021-03-16 | 阜阳杭诚电子科技有限公司 | Combined type mahjong machine base and processing technology thereof |
| CN112494926B (en) * | 2020-11-16 | 2023-05-09 | 阜阳杭诚电子科技有限公司 | Combined mahjong machine base and processing technology thereof |
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