Double-layer bottom plate for mahjong machine and mahjong machine
By adopting a double-layer base plate structure on the mahjong machine and utilizing welding connections and splicing design, the problem of insufficient base plate strength is solved, achieving stronger load-bearing capacity and stability, and making it suitable for the installation of mahjong machine accessories.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2026-03-10
AI Technical Summary
The existing mahjong machine base plate is not strong enough, is prone to deformation, affects the fit of parts, and is inconvenient to place heavy objects.
The system adopts a double-layer bottom plate structure. The upper and lower bottom plates are welded together to form mounting grooves and welding holes to enhance the connection strength. The lower bottom plate is also equipped with splicing plates and welding grooves to improve bending strength.
It improves the bending strength and load-bearing capacity of the base plate, ensures the stability of the components, and makes the base plate structure compact and easy to install other accessories.
Smart Images

Figure CN223980079U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mahjong machine accessories especially double bottom plate and mahjong machine for being used on mahjong machine. BACKGROUND
[0002] Mahjong machine bottom plate is the important component of mahjong table, installs mahjong machine shuffling device, card suction conveying device, card stacking device, card pushing device and center lifting device and other components on it, and the strength of bottom plate will influence the working performance of mahjong machine, and the bottom plate with low strength is easy to deform, which influences the cooperation between components. At present, most of bottom plates are welded with multiple reinforcing ribs at the lower end of bottom plate to increase the strength, for example, the bottom plate of mahjong machine with the announcement number CN206350919U, which increases the strength of bottom plate to a certain extent, and the volume of some models is large, and the weight is heavy, and the strength of the bottom plate welded with reinforcing ribs is obviously insufficient. In the later use, the upper part of mahjong table in family is easy to place articles, and when the articles are heavy, the bottom plate is easy to deform. CONTENT OF UTILITY MODEL
[0003] The utility model provides double bottom plate and mahjong machine for being used on mahjong machine in light of the shortcoming in the prior art.
[0004] In order to solve the above technical problem, the utility model solves through the following technical scheme:
[0005] Double bottom plate for being used on mahjong machine, including upper bottom plate, the upper bottom plate all is equipped with the upper side plate that is bent downward around, all upper side plates are surrounded around the upper bottom plate and form installation groove, the lower bottom plate is welded in the installation groove, the end face of lower bottom plate is punched and forms first welding groove, the back of lower bottom plate corresponding with first welding groove forms boss, the mesa of boss is in contact with upper bottom plate, the groove bottom of first welding groove is equipped with the first welding hole of through type, and lower bottom plate is welded with upper bottom plate through first welding hole.
[0006] As preferred, the lower bottom plate all is equipped with the lower side plate that is bent upward around, and the lower side plate is in contact with installation groove, and the lower side plate is welded with upper side plate.
[0007] As preferred, the end face of lower bottom plate is flush with the end face of upper side plate.
[0008] As preferred, the lower bottom plate includes at least two spliced plates, and all spliced plates are connected to form a square ring.
[0009] As preferred, the end of spliced plate is equipped with recess, and when two adjacent spliced plates are spliced, two recesses combine to form second welding groove, the outer bottom surface of second welding groove is in contact with upper bottom plate, the groove bottom of second welding groove is equipped with the second welding hole of through type, and two adjacent spliced plates and upper bottom plate are welded and connected through second welding hole.
[0010] As preferred, the joint between the two adjacent panels forms a gap, and the gap is welded with solder and the two adjacent panels are welded.
[0011] As preferred, the lower bottom plate is provided with a stamping groove around the end face, and the depth of the stamping groove is less than the depth of the first welding groove.
[0012] As preferred, the lower bottom plate is provided with a plurality of through holes.
[0013] The mahjong machine comprises a double-layer bottom used in the mahjong machine.
[0014] The utility model discloses the above technical scheme has remarkable technical effect:
[0015] (1) the upper bottom plate and the lower bottom plate cooperate and form the double-layer structure bottom plate, improve the bending strength of the bottom plate, and the bottom plate has stronger bearing capacity.
[0016] (2) the lower bottom plate is fixed on the upper bottom plate by welding, and the connection between the two is firm.
[0017] (3) the lower bottom plate is installed in the installation groove, and the lower bottom plate and the upper bottom plate are compact in structure, the end face of the lower bottom plate is relatively flat, facilitating the installation of other accessories. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the structural schematic diagram of the utility model.
[0019] Figure 2 It is the three-dimensional structure schematic diagram under the perspective of the upper end face of the upper bottom plate.
[0020] Figure 3 It is the three-dimensional structure schematic diagram under the perspective of the upper end face of the lower bottom plate.
[0021] Figure 4 It is the three-dimensional structure schematic diagram under the perspective of the lower end face of the upper bottom plate.
[0022] The part names referred to by the numbers in the above drawings are as follows:
[0023] 1 - upper bottom plate, 11 - upper side plate, 12 - installation groove, 111 - the end face of the upper side plate
[0024] 2 - lower bottom plate, 20 - panel, 21 - first welding groove, 22 - boss, 23 - first welding hole, 24 - lower side plate, 25 - the end face of the lower bottom plate, 26 - second welding groove, 27 - gap, 28 - stamping groove, 29 - through hole DETAILED DESCRIPTION
[0025] The utility model will be described in further detail in combination with the drawings and examples. Figures 1-4
[0026] Example 1
[0027] The double-layer bottom plate used in mahjong machine includes upper bottom plate 1, the upper bottom plate 1 is iron plate, the upper end surface of the upper bottom plate 1 is used for installing other accessories of mahjong machine, so the upper end surface of the upper bottom plate 1 is plane. The upper side plate 11 is arranged around the upper bottom plate 1, all the upper side plates 11 surround the upper bottom plate 1 and form the installation groove 12, the lower bottom plate 2 is welded in the installation groove 12, the lower bottom plate 2 is also iron plate, the lower end surface of the lower bottom plate 2 is punched to form the first welding groove 21, the back surface of the lower bottom plate 2 corresponding to the first welding groove 21 forms the boss 22, the table surface of the boss 22 is in contact with the upper bottom plate 1, the groove bottom of the first welding groove 21 is provided with the first welding hole 23, the lower bottom plate 2 is welded with the upper bottom plate 1 through the first welding hole 23, when welding, the soldering point is on the first welding hole 23, so that the lower bottom plate 2 is welded on the upper bottom plate 1.
[0028] The lower side plate 24 is arranged around the lower bottom plate 2, the lower side plate 24 is in contact with the installation groove 12, the lower side plate 24 is welded with the upper side plate 11, the side edge of the lower bottom plate 2 is also welded with the upper bottom plate 1, the lower bottom plate 2 is connected with the upper bottom plate 1 firmly and will not be easily separated.
[0029] The end surface 25 of the lower bottom plate is flush with the end surface 111 of the upper side plate, so that the lower bottom plate 2 will not protrude from the upper bottom plate 1, and the double-layer bottom plate is visually thin in thickness.
[0030] The lower bottom plate 2 includes at least two panels 20, the number of panels 20 in the embodiment is four, all the panels 20 are connected to form a square ring, the split lower bottom plate 2 simplifies the processing technology and facilitates the processing of the panels 20.
[0031] The end of the panel 20 is provided with a notch, when two adjacent panels 20 are spliced, two notches are combined to form the second welding groove 26, the second welding groove 26 is a cylindrical hole, the outer bottom surface of the second welding groove 26 is in contact with the upper bottom plate 1, the groove bottom of the second welding groove 26 is provided with the second welding hole 261, the two adjacent panels 20 and the upper bottom plate are welded and connected through the second welding hole 261. When welding, the soldering point is on the second welding hole 261, so that the two adjacent panels 20 are welded together, and the two panels 20 are welded on the upper bottom plate 1.
[0032] The joint of the two adjacent panels 20 forms the gap 27, the gap 27 is welded with solder and the two adjacent panels 20 are welded, by putting the soldering point on the gap 27, the connection strength of the two adjacent panels 20 is further strengthened.
[0033] The bottom plate 2 has stamping grooves 28 around its end face. The depth of the stamping grooves 28 is less than the depth of the first welding groove 21. The stamping grooves 28 improve the bending strength of the bottom plate 2. Since the depth of the stamping grooves 28 is less than the depth of the first welding groove 21, the stamping grooves 28 do not need to be too large, simplifying the processing technology of the bottom plate 2.
[0034] Example 2
[0035] Example 2 is basically the same as Example 1, except that the bottom plate 2 is provided with a number of through holes 29. The through holes 29 can be used to reduce the weight of the bottom plate 2 and facilitate the installation of other accessories.
[0036] Example 3
[0037] A mahjong machine, including the double-layered bottom used in a mahjong machine as described in Embodiment 1 or 2.
Claims
1. A double-layer bottom plate used in a mahjong machine, comprising an upper bottom plate (1), the upper bottom plate (1) is provided with upper side plates (11) bent downward around the periphery of the upper bottom plate (1), all the upper side plates (11) surround the periphery of the upper bottom plate (1) and form mounting grooves (12), characterized in that: The lower bottom plate (2) is welded in the installation slot (12), the end face of the lower bottom plate (2) is stamped to form a first welding slot (21), the back face of the lower bottom plate (2) corresponding to the first welding slot (21) forms a boss (22), the mesa of the boss (22) is in contact with the upper bottom plate (1), the slot bottom of the first welding slot (21) is provided with a first welding hole (23) in penetration, and the lower bottom plate (2) is welded with the upper bottom plate (1) through the first welding hole (23).
2. The double-layer bottom plate used in the mahjong machine according to claim 1, characterized in that: The lower bottom plate (2) is provided with a lower side plate (24) bent upward around the periphery, the lower side plate (24) is in contact with the installation slot (12), and the lower side plate (24) is welded with the upper side plate (11).
3. The double-layer bottom plate used in the mahjong machine according to claim 1, characterized in that: The end face (25) of the lower bottom plate is flush with the end face (111) of the upper side plate.
4. The double-layer bottom plate used in the mahjong machine according to claim 1, characterized in that: The lower bottom plate (2) comprises at least two spliced plates (20), and all the spliced plates (20) are connected in a square ring.
5. The double-layer bottom plate used in the mahjong machine according to claim 4, characterized in that: The end of the spliced plate (20) is provided with a recess, and when two adjacent spliced plates (20) are spliced, the two recesses are combined to form a second welding slot (26), the outer bottom face of the second welding slot (26) is in contact with the upper bottom plate (1), and the slot bottom of the second welding slot (26) is provided with a second welding hole (261) in penetration, and the two adjacent spliced plates (20) and the upper bottom plate are welded through the second welding hole (261).
6. The double-layer bottom plate used in the mahjong machine according to claim 4, characterized in that: The joint of the two adjacent spliced plates (20) forms a gap (27), the gap (27) is welded with solder and the two adjacent spliced plates (20) are welded.
7. The double-layer bottom plate used in the mahjong machine according to claim 1, characterized in that: The end face of the lower bottom plate (2) is provided with a stamping slot (28) around the periphery, and the depth of the stamping slot (28) is smaller than that of the first welding slot (21).
8. The double-layer bottom plate used in the mahjong machine according to claim 1, characterized in that: A plurality of through holes (29) are arranged on the lower bottom plate (2).
9. Mahjong machine, characterized in that: The double-layer bottom plate used in the mahjong machine comprises the double-layer bottom plate according to any one of claims 1-8.
Citation Information
Patent Citations
Bottom plate of mahjong machine
CN206350919U