A wireless charging mahjong machine panel and mahjong machine

CN224628407UActive Publication Date: 2026-08-14YANGZHOU FENGGE TRADING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-30
Publication Date
2026-08-14

AI Technical Summary

Technical Problem

现有技术中,麻将机桌体无专用无线充电设计,用户需外接充电线或移动电源,充电线缆缠绕影响操作且充电设备占用桌面,降低娱乐体验;部分安装有无线充电设备,其中一部分无线充电模块裸露在面板本体上有极大的安全隐患,另一部分隐藏在桌布下,但桌布表面有明显凹陷区域,在长期使用时桌布损坏严重,更换频率较高

Benefits of technology

[0011]1、紧固螺母与固定板、螺帽与固定板之间均设置橡胶垫,通过弹性缓冲增强紧固后的摩擦力,避免因震动导致螺栓松动,提升无线充电模块安装的稳定性;螺帽和紧固螺母上分别设置固定孔,通过U型卡簧连接,形成机械锁止结构,有效阻止T型螺栓与紧固螺母在使用过程中自转,进一步确保安装结构的可靠性,避免模块松动影响充电功能;T型螺栓实现微调,确保面板本体表面平整,覆盖桌布后,桌面平整度误差≤0.02mm,避免因模块凸起影响麻将牌摆放或用户使用体验。

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Abstract

This utility model discloses a wireless charging mahjong machine panel and a mahjong machine, including a panel body. One side of the panel body is connected to the mahjong machine base via a hinge. Two sets of panel through holes are provided on one diagonal line of the panel body, and wireless charging modules are installed in the panel through holes. The wireless charging module consists of a coil module and a power guide wire. The coil module is placed inside a housing, and fixing plates are provided at the four corners of the bottom of the housing. Fixing posts are provided around the panel through holes on the inner side of the panel body. The bottom of the fixing posts has through holes with internal threads. Fixing plates have fixing through holes, and T-bolts are inserted into the fixing through holes. The T-bolts are connected to the fixing posts by threads. A fastening nut is provided on the bolt on the upper side of the fixing plate. A tablecloth covers the outer side of the panel body. This utility model has a novel structure. By embedding dual wireless charging modules into the flip-top panel body, uninterrupted charging can be achieved in entertainment scenarios. At the same time, the table surface is highly flat, combining functionality and aesthetics.
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Description

Technical Field

[0001] This utility model relates to the field of mahjong machines, and in particular to a wireless charging mahjong machine panel and a mahjong machine. Background Technology

[0002] In traditional mahjong games, users often have to stop playing due to low phone battery and search for charging devices. Current technology lacks a dedicated wireless charging design for the mahjong table itself, requiring users to use external charging cables or power banks. These cables become tangled, hindering operation and taking up valuable table space, thus reducing the gaming experience. While some machines do have wireless charging, some modules are exposed on the panel, posing a significant safety hazard, while others are hidden under the tablecloth. However, the tablecloth has noticeable dents, leading to severe damage and frequent replacements over time. Utility Model Content

[0003] The purpose of this utility model is to provide a wireless charging mahjong machine panel and mahjong machine with a wireless charging module and a high degree of desktop flatness.

[0004] The purpose of this utility model is achieved as follows: A wireless charging mahjong machine panel includes a panel body, one side of which is connected to the mahjong machine base via a hinge; two sets of panel through holes are provided on one diagonal line of the panel body, and a wireless charging module is installed in the panel through holes; the wireless charging module consists of a coil module and a power guide wire, the coil module is placed inside a housing, and a fixing plate is provided at the four corners of the bottom of the housing; a fixing post is provided around the panel through holes on the inner side of the panel body, and a through hole is provided at the bottom of the fixing post, with an internal thread inside the through hole; a fixing through hole is provided on the fixing plate, and a T-bolt is inserted into the fixing through hole, the T-bolt is threaded to the fixing post, and a fastening nut is provided on the bolt on the upper side of the fixing plate; a tablecloth is covered on the outer side of the panel body.

[0005] Preferably, the diameter of the nut of the T-bolt is larger than the diameter of the fixing through hole, and rubber pads are provided between the fastening nut and the fixing plate, and between the nut and the fixing plate.

[0006] Preferably, the outer side of the nut is provided with a nut fixing hole, the fastening nut is provided with a nut fixing hole on the side away from the fixing plate, and a U-shaped retaining spring is provided between the nut fixing hole and the nut fixing hole.

[0007] Preferably, the power guide line of the wireless charging module away from the hinge is embedded in the panel body groove, and extends in an L-shape to another wireless charging module near the hinge.

[0008] Preferably, the upper part of the housing is provided with a limiting step, the housing on the limiting step is placed in the through hole of the panel, and a rubber layer is provided between the side wall of the housing on the limiting step and the through hole of the panel.

[0009] A mahjong machine includes a mahjong table body and the aforementioned wireless charging mahjong machine panel.

[0010] Compared with the prior art, the advantages of this utility model are:

[0011] 1. Rubber pads are placed between the fastening nut and the fixing plate, and between the nut and the fixing plate, to enhance friction after tightening through elastic buffering, preventing bolt loosening due to vibration and improving the stability of the wireless charging module installation; fixing holes are set on the nut and fastening nut respectively, connected by U-shaped snap rings to form a mechanical locking structure, effectively preventing the T-bolt and fastening nut from rotating during use, further ensuring the reliability of the installation structure and preventing module loosening from affecting the charging function; the T-bolt allows for fine adjustment to ensure the flatness of the panel body surface. After covering the tablecloth, the flatness error of the tabletop is ≤0.02mm, preventing the module protrusion from affecting the placement of mahjong tiles or the user experience.

[0012] 2. A limiting step is provided on the upper part of the housing. During installation, the housing on the step is embedded into the through hole of the panel, and the rubber layer is filled between the side wall of the step and the through hole, which not only fills the gap, but also buffers the hard contact between the module and the panel body.

[0013] 3. The power guide wire of the wireless charging module, which is away from the hinge, is embedded in the wire groove of the panel body and extends to another module in an L-shape. The power wire moves synchronously with the hinge axis. When the panel body is opened, the power wire extends and retracts along the hinge rotation direction to avoid damage to the wire due to pulling, extend its service life, and ensure that the panel body opens and closes smoothly.

[0014] 4. Two sets of wireless charging modules are set on the diagonal line of the panel body, covering different areas of the desktop, which makes it convenient for multiple users to charge their devices at the same time and improves the convenience of use; the modules are 30mm away from the corner of the desktop edge and have a diameter of 60mm. The position is reasonably designed so as not to take up the space for mahjong tiles and make it easy for users to place their devices for charging. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the outer structure of the panel body of this utility model.

[0016] Figure 2 This is a schematic diagram of the connection between the wireless charging module and the panel body of this utility model.

[0017] Figure 3 This is a schematic diagram of the inner structure of the panel body of this utility model.

[0018] The components include: 1. Panel body; 101. Panel body cable groove; 2. Hinge; 3. Panel through hole; 4. Wireless charging module; 401. Coil module; 402. Power guide wire; 5. Fixing plate; 6. Fixing post; 601. Fixing post bottom through hole; 7. T-bolt; 701. T-bolt nut; 7011. Nut fixing hole; 8. Fastening nut; 801. Nut fixing hole; 9. Tablecloth; 10. Rubber pad; 11. U-shaped retaining spring; 12. Limiting step; 13. Rubber layer. Detailed Implementation

[0019] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification.

[0020] It should be noted that in the description of this utility model, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. These terms are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," and "suspended," etc., do not indicate that the component must be absolutely horizontal or suspended, but rather that it can be slightly tilted. For example, "horizontal" simply 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.

[0021] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] like Figure 1-3As shown, a wireless charging mahjong machine panel includes a panel body 1, one side of which is connected to the mahjong machine base via a hinge 2; two sets of panel through holes 3 are provided on one diagonal line of the panel body 1, and a wireless charging module 4 is installed in the panel through holes 3. The panel through holes are 30mm from the corner of the table edge, and the diameter of the panel through holes is 60mm; the wireless charging module 4 consists of a coil module 401 and a power guide wire 402. The coil module 401 is placed inside the housing, and a fixing plate 5 is provided at the four corners of the bottom of the housing; a fixing post 6 is provided around the panel through holes 3 on the inner side of the panel body 1, and a through hole 601 is provided at the bottom of the fixing post 6, with an internal thread inside the through hole 601; a fixing through hole 501 is provided on the fixing plate 5, and a T-bolt 7 is inserted into the fixing through hole 501. The T-bolt 7 is connected to the fixing post 6 by a thread, and a fastening nut 8 is provided on the bolt on the upper side of the fixing plate 5; a tablecloth 9 is covered on the outer side of the panel body 1, and a "Wireless Fast Charging Area" sign is marked after the tablecloth is attached.

[0023] like Figure 2 As shown, the diameter of the nut 701 of the T-bolt 7 is larger than the diameter of the fixing through hole 501. Rubber pads 10 are provided between the fastening nut 8 and the fixing plate 5, and between the nut 701 and the fixing plate 5. The stability of the fastening nut and the T-bolt after installation is achieved by the rubber pads.

[0024] like Figure 2 As shown, the outer side of the nut 701 is provided with a nut fixing hole 7011, and the fastening nut 8 is provided with a nut fixing hole 801 on the side away from the fixing plate 5. A U-shaped retaining spring 11 is provided between the nut fixing hole 7011 and the nut fixing hole 801. The U-shaped retaining spring can effectively prevent the T-bolt and the fastening nut from rotating on their own, and improve the stability after installation.

[0025] like Figure 3 As shown, the power guide wire of the wireless charging module 4, which is away from the hinge 2, is embedded in the wire groove 101 of the panel body 1, and extends in an L-shape to another wireless charging module near the hinge. When the panel body is opened, the power wire moves synchronously with the hinge axis to avoid pulling damage. The transformer module is fixed to the bottom bracket of the table, and the power wire is connected to the transformer module through the internal wire groove. The transformer module is a 12V / 1.5A DC transformer.

[0026] like Figure 2 As shown, a limiting step 12 is provided on the upper part of the housing. The housing on the limiting step 12 is placed in the panel through hole 3. A rubber layer 13 is provided between the side wall of the housing on the limiting step 12 and the panel through hole. The rubber layer is used to fill the gap between the wireless charging module and the panel through hole to ensure the flatness of the panel body surface. After the surface is covered with a tablecloth, the flatness error with the tabletop is ≤0.02mm.

[0027] A mahjong machine includes a mahjong table body and the aforementioned wireless charging mahjong machine panel.

[0028] The working principle of this utility model is explained as follows: First, the wireless charging module is installed into the through hole of the panel. The overall fine adjustment of the wireless charging module is achieved by using T-bolts. Then, the wireless charging module is fixed by tightening nuts. A rubber layer is filled between the through hole of the panel and the shell of the wireless charging module to ensure that there are no gaps between them. Then, a tablecloth is covered to further ensure the overall flatness. During maintenance, the extended power guide cable can effectively prevent the power guide cable from being pulled when the panel body is opened, increasing the safety of maintenance.

[0029] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the concept and scope of the present invention. Various modifications and improvements made to the technical solutions of the present invention by those skilled in the art without departing from the design concept of the present invention should fall within the protection scope of the present invention. The technical content for which protection is sought in the present invention has been fully described in the claims.

Claims

1. A wireless charging mahjong machine panel, characterized in that, The mahjong machine panel comprises a panel body, a hinge, two groups of panel through holes, a wireless charging module, a coil module, a shell, a fixed plate, a fixed column, a through hole, an inner thread, a fixed through hole, a T-shaped bolt, a fastening nut, a tablecloth, a nut fixed hole, a U-shaped clamp spring, a power supply guide wire, a limiting step, and a rubber layer.

2. The wireless charging mahjong machine panel according to claim 1, wherein, The diameter of the nut of the T-shaped bolt is greater than the diameter of the fixed through hole.

3. The wireless charging mahjong machine panel according to claim 2, wherein, The fastening nut and the fixed plate are provided with a rubber pad.

4. The wireless charging mahjong machine panel of claim 1, wherein, The outer side of the nut is provided with a nut fixed hole.

5. The wireless charging mahjong machine panel according to claim 1, wherein, The power supply guide wire of the wireless charging module away from the hinge is embedded in the panel body wire slot and extends to the other wireless charging module close to the hinge.

6. A mahjong machine characterized by comprising: The upper part of the shell is provided with a limiting step. The mahjong machine panel comprises a mahjong table body and a wireless charging mahjong machine panel according to any one of claims 1-5.