Mahjong machine with anti-disassembly early warning device

Abstract

The utility model discloses mahjong machine with anti -disassembly early warning device belongs to mahjong machine field, solves the problem of unable effectively prevent in mahjong machine inside installation cheating tool, the technical scheme of solving this problem mainly includes host computer, and the host computer includes frame, face cover, batten and anti -disassembly early warning device, and the anti -disassembly early warning device includes lock catch, locking element and control module, and the lock catch is fixed in the top of batten, and the locking element is fixed in the installation groove, and the locking element can with lock catch locking or unlocking, and the locking element and lock catch locking to lock batten, and control module and locking element and switch element electricity is connected, and can control locking element and lock catch unlocking, and control module is configured as based on the opening of batten to carry out disassembly detection. The utility model is mainly used for limiting face cover and frame to be opened to prevent in mahjong machine inside installation cheating tool.

Description

Technical Field

[0001] This utility model demonstrates a mahjong machine with an anti-tamper warning device, belonging to the technical field of mahjong machines. Background Technology

[0002] When automatic mahjong machines are in use, some people may attempt to cheat for personal gain or other ulterior motives. Cheating on a mahjong machine typically involves removing the pressure bar and opening the cover, allowing cheating tools to be installed inside.

[0003] Existing anti-cheating solutions for mahjong machines include alarm systems and methods to lock the mahjong machine's cover. The alarm system detects the open state of the cover to determine if it is abnormally open and triggers an audible alarm when an abnormality is detected. However, this system cannot lock the cover, which can be opened at any time, allowing for cheating. Furthermore, the monitoring of the cover's status is achieved through a trigger connecting rod and a cover compression spring, which is easily bypassed. By opening the cover and using other tools to press down the trigger connecting rod, the alarm can be avoided.

[0004] Another solution involves locking the faceplate, but the pressure strip can still be easily opened. Once the pressure strip is opened, the side frame of the mahjong machine can be opened, and the side of the mahjong machine is in an open state. Cheating devices can be placed inside the mahjong machine through the open area on the side to achieve cheating. However, this solution still cannot effectively prevent the installation of cheating tools inside the mahjong machine. Utility Model Content

[0005] The purpose of this invention is to solve the problem of not being able to effectively prevent the installation of cheating tools inside mahjong machines. To this end, a mahjong machine with an anti-tamper warning device is provided, which locks the pressure bar to prevent the cover and frame from being opened, thereby preventing the installation of cheating tools inside the mahjong machine.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: A mahjong machine with an anti-tamper warning device includes a main unit, the main unit comprising: Base plate; The frame surrounds the outer periphery of the base plate, and the inner side of the frame forms a receiving cavity; A cover, which is fitted onto the top of the receiving cavity, has a mounting groove between the cover and the frame; A pressure strip, which is installed on the upper side of the cover and the frame to lock the cover and the frame, and the pressure strip covers the mounting groove; The feature is that the main unit is equipped with an anti-tamper warning device, which includes: A latch, which is fixed to the bottom of the pressure strip; A locking element is fixed in the mounting groove. The locking element can be locked or unlocked with the latch. The locking element locks with the latch to lock the pressure strip. The control module is electrically connected to the locking element and can control the locking element and the latch to unlock. The control module performs disassembly detection based on the opening action of the pressure bar.

[0007] The beneficial effects of using this utility model are: The anti-tampering warning device described in this utility model includes a latch, a locking element, and a control module. The latch is fixed to the pressure strip, and the locking element is fixed in the mounting groove of the main unit. When the pressure strip is installed on the frame and the top cover, the latch on the pressure strip and the locking element lock together. Since the locking element remains fixed relative to the base plate, the locking element and the latch lock together prevent the pressure strip from being disassembled at will. The pressure strip covers the upper side of the frame and the top cover, and the frame and the top cover cannot be opened when the pressure strip is locked. This prevents the installation of cheating tools inside the mahjong machine by opening the frame and the top cover, thus achieving an effective anti-cheating effect. In addition, the control module can detect disassembly based on the opening action of the pressure strip. When the pressure strip is forcibly opened, the control module can send an alarm signal to the manufacturer or manager, thereby enabling timely inspection of the mahjong machine to prevent the installation of cheating tools inside the mahjong machine, ensuring the fairness of the game and the gaming experience. Furthermore, the control module can control the locking element and the latch to unlock. The manufacturer and manager can use the control module to unlock the pressure strip to facilitate inspection and maintenance of the mahjong machine.

[0008] Preferably, the locking element includes a trigger electrically connected to the control module. The trigger emits a signal in response to the unlocking action of the locking element and the latch, and the control module performs disassembly detection based on the trigger's signal. Using the aforementioned technical solution, the trigger is electrically connected to the control module. When the control module controls the bolt to unlock, the trigger will not issue an alarm even if it is activated. However, when the bolt is unlocked by other technical means, the control module will issue an alarm signal upon receiving the signal from the trigger, thereby alerting the manufacturer or administrator that the locking element and latch have been abnormally unlocked. Furthermore, the trigger is located within the lock body, making it difficult to crack, thus providing better anti-cracking protection and improving early warning effectiveness.

[0009] Preferably, the anti-tamper warning device also includes a switch element independent of the locking element. The switch element is fixed in the mounting groove, electrically connected to the control module, and can send a signal in response to the opening action of the pressure bar. The control module performs disassembly detection based on the signal from the switch element.

[0010] Preferably, the locking element includes a trigger electrically connected to the control module. The trigger sends a signal in response to the unlocking action of the locking element and the latch. Both the signal from the switching element and the signal from the trigger can trigger the control module to detect disassembly. Using the aforementioned technical solution, both the signal from the switching element and the signal from the trigger can trigger the control module to detect the disassembly of the pressure bar. When the pressure bar is forcibly opened, the control module can send an alarm signal to the manufacturer or administrator. Furthermore, the switching element and the locking element are independent of each other. When the switching element is compromised and cannot respond to the opening of the pressure bar, the control module can still determine the disassembly action of the pressure bar based on the abnormal unlocking of the locking element. Similarly, when the locking element is damaged and the control module cannot detect whether the locking element is abnormally unlocked, the control module can still determine the disassembly action of the pressure bar based on the signal from the switching element. Using two independent detection methods increases the difficulty of cracking the anti-tamper warning device, giving it a better warning effect.

[0011] Preferably, the locking element includes a lock body, in which a latch and a buckle are rotatably disposed. The latch has a locked position and an unlocked position. When the latch is in the locked position, it passes through the lock hole of the buckle to lock the pressure bar. The latch engages with the buckle to prevent the latch from disengaging from the locked position. The control module controls the buckle to swing to release the restriction on the latch. When the latch is in the unlocked position, it abuts against the trigger so that the trigger sends a signal to the control module.

[0012] Preferably, the switching element includes a micro switch, wherein the pressure bar in the locked state remains against the button of the micro switch, and the micro switch emits a signal in response to the separation of the pressure bar and the button; or, the switching element is a Hall switch, wherein the pressure bar is provided with a magnet, and the Hall switch emits a signal in response to the removal of the magnet.

[0013] Preferably, the tamper warning device further includes a mounting plate, on which the locking element, switching element, and control module are all fixed, and the mounting plate is connected to the mounting groove. By employing the aforementioned technical solution, fixing the locking element, switching element, and control module with the mounting plate improves the overall integrity of the tamper warning device, reduces the difficulty of installing and disassembling the tamper warning device from the mahjong machine, and significantly improves the efficiency of installation and disassembly.

[0014] Preferably, the main unit also includes several columns fixed in the receiving groove for supporting the cover, with a mounting plate connected to the columns. Using the aforementioned technical solution, the columns themselves have high strength, providing a more reliable fixing position for the anti-tamper warning device, making the fixing of the anti-tamper warning device more stable and reliable, reducing the possibility of the anti-tamper warning device detaching from the mahjong machine due to external force, and significantly improving the locking ability of the anti-tamper warning device on the pressure strip.

[0015] Preferably, the mounting plate has several mounting holes, and the mounting plate is fixedly connected to the column by fasteners. By adopting the aforementioned technical solution, multiple mounting holes are provided on the mounting plate, allowing it to adapt to various internal structures of mahjong machines, providing more installation options, reducing the difficulty of installation, and significantly improving the compatibility of the anti-tamper warning device on different mahjong machines, thus laying the foundation for the widespread use of the anti-tamper warning device.

[0016] Preferably, the main unit is equipped with at least two anti-tamper warning devices, which are respectively located on opposite sides of the faceplate. By employing the aforementioned technical solution and setting multiple anti-tamper warning devices, the locking effect on the pressure strip can be improved, reducing the possibility of the pressure strip being forcibly opened. Furthermore, the fact that at least two anti-tamper warning devices are respectively located on opposite sides of the faceplate allows for more even locking and force distribution on the pressure strip, helping to prevent one side of the pressure strip from being opened and ensuring a more stable and reliable locking mechanism.

[0017] Other features and advantages of this utility model will be disclosed in detail in the following specific embodiments and accompanying drawings. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings: Figure 1 This is a schematic diagram of the anti-tamper warning device of this utility model; Figure 2 This is a schematic diagram of the locking mechanism in the anti-tamper warning device of this utility model; Figure 3 Cross-sectional view of the mahjong machine of this utility model Figure 1 ; Figure 4 Cross-sectional view of the mahjong machine of this utility model Figure 2 .

[0019] Reference numerals: 1. Mounting plate; 11. Mounting hole; 21. Locking element; 211. Lock tongue; 212. Lever; 213. Lock body; 22. Locking buckle; 221. Lock hole; 3. Switching element; 31. Button; 32. Clamp; 4. Control module; 5. Pressure strip; 51. Inner side; 52. Outer side; 61. Face cover; 62. Frame; 63. Post; 64. Mounting groove; 7. Fastener. Detailed Implementation

[0020] The technical solutions of the present utility model will be explained and described below with reference to the accompanying drawings. However, the following embodiments are only preferred embodiments of the present utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments in the implementation methods without creative effort are all within the protection scope of the present utility model.

[0021] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element 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.

[0022] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., 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 according to the specific circumstances.

[0023] like Figures 1 to 4As shown, this embodiment demonstrates a mahjong machine with an anti-tamper warning device, including a main unit. The main unit includes a base plate, a face cover 61, a frame 62, and a pressure strip 5. The frame 62 surrounds the outer periphery of the base plate, and the inner side of the frame 62 forms a receiving cavity. Several columns 63 are fixed on the base plate, and the columns 63 are located within the receiving cavity. The columns 63 support the face cover 61, which is mounted on the top of the receiving cavity. A mounting groove 64 is provided between the face cover 61 and the frame 62. The pressure strip 5 is mounted on the upper side of the face cover 61 and the frame 62 and covers the mounting groove 64. The pressure strip 5 is frame-shaped. When the pressure strip 5 is mounted on the face cover 61 and the frame 62, the inner side 51 of the pressure strip 5 supports the upper surface of the face cover 61, and the outer side of the pressure strip 5 supports the upper surface of the frame 62. The main unit is equipped with an anti-tamper warning device, which includes a latch 22, a locking element 21, and a control module 4. The latch 22 is fixed to the bottom of the pressure strip 5. When the pressure strip 5 is installed on the cover 61 and the frame 62, the latch 22 extends into the mounting groove 64, and the locking element 21 is fixed in the mounting groove 64. The locking element 21 can lock or unlock with the latch 22. When the locking element 21 is locked with the latch 22, the locking element 21 and the latch 22 form a locking engagement. Since the locking element 21 is fixed relative to the base plate, the locking element 21 and the latch 22 can lock the pressure strip 5, preventing the pressure strip 5 from detaching from the cover 61 and the frame 62. The control module 4 can control the locking element 21 to unlock with the latch 22, thereby releasing the lock on the pressure strip 5 so that the pressure strip 5 can be opened normally. Secondly, the control module 4 maintains an electrical connection with the locking element 21. The control module 4 performs disassembly detection based on the opening action of the pressure strip 5. When the pressure strip 5 is opened, the control module 4 will perform disassembly detection on the pressure strip 5 to determine whether the pressure strip 5 has been forcibly opened.

[0024] The anti-tamper warning device described in this embodiment includes a latch 22, a locking element 21, and a control module 4. The latch 22 is fixed to the pressure strip 5, and the locking element 21 is fixed in the mounting slot 64 of the main unit. When the pressure strip 5 is installed on the frame 62 and the cover 61, the latch 22 on the pressure strip 5 locks with the locking element 21. Since the locking element 21 remains fixed relative to the base plate, the locking of the locking element 21 and the latch 22 can prevent the pressure strip 5 from being arbitrarily disassembled. Since the pressure strip 5 presses against the upper side of the frame 62 and the cover 61, the frame 62 and the cover 61 cannot be opened when the pressure strip 5 is locked, thus preventing tampering. The opening frame 62 and the cover 61 allow for the installation of cheating tools inside the mahjong machine, effectively preventing cheating. Additionally, the control module 4 can perform disassembly and detection based on the opening action of the pressure bar 5. When the pressure bar 5 is forcibly opened, the control module 4 can send an alarm signal to the manufacturer or administrator, enabling timely inspection of the mahjong machine to prevent the installation of cheating tools inside, ensuring fairness and a positive gaming experience. Furthermore, the control module 4 can control the unlocking of the locking element 21 and the latch 22. Manufacturers and administrators can use the control module 4 to unlock the pressure bar 5, facilitating inspection and maintenance of the mahjong machine.

[0025] like Figure 1 As shown, the anti-tamper warning device in this embodiment also includes a mounting plate 1. The locking element 21, the switching element 3, and the control module 4 are all fixed to the mounting plate 1 by fasteners 7. The mounting plate 1 is provided with a number of mounting holes 11. Some of the mounting holes 11 are used to connect the locking element 21, the switching element 3, and the control module 4. Other mounting holes 11 cooperate with the fasteners 7 to fix the mounting plate 1 to the column 63 of the main unit. The number of mounting holes 11 that cooperate with the column 63 is not less than 4, which allows the mounting plate 1 to adapt to a variety of different column 63 structures, giving the mounting plate 1 more installation options, reducing the installation difficulty of the mounting plate 1, and significantly improving the compatibility of the anti-tamper warning device on different mahjong machines, thus providing a foundation for the widespread use of the anti-tamper warning device.

[0026] like Figure 2 and Figure 3As shown, in this embodiment, the latch 22 is fixed to the bottom of the pressure strip 5 by fasteners 7 or glue. The locking element 21 includes a lock body 213, in which a latch 211 and a buckle are rotatably disposed. The latch 211 has a locked position and an unlocked position, and rotates between the locked and unlocked positions. When the pressure strip 5 is mounted on the cover 61 and the frame 62, the latch 22 extends into the mounting groove 64 and approaches the locking element 21. At this time, rotating the latch 211 to the locked position allows the latch 211 to pass through the lock hole 221 of the latch 22, so that the latch 211 engages with the latch 22, thereby locking the pressure strip 5. When the latch 211 rotates to the unlocked position, the latch 211 disengages from the latch 22, thereby unlocking the pressure strip 5. In addition, the latch 211 is elastically loaded and has a tendency to rotate towards the unlocked position. When in the locked position, the latch engages with the latch 211 to position the latch 211 in the locked position, preventing the latch 211 from arbitrarily disengaging from the locked position. After the latch swings away from the latch 211, the latch 211 automatically swings to the unlocked position under the action of elasticity, thereby unlocking the locking element 21 and the latch 22. The latch is elastically loaded and has a rotational tendency to engage with the latch 211. The control module 4 can control the latch to rotate in the direction of disengaging from the latch 211 to release the latch from the latch 211. The control module 4 can receive remote control signals. The manufacturer or manager can use a remote control or handheld terminal to send an unlock signal to the control module 4. The control module 4 controls the latch to disengage from the latch 211. The latch 211 automatically swings to the unlocked position under the action of elasticity, thereby unlocking the locking element 21 and the latch 22, allowing the pressure bar 5 to open normally.

[0027] In addition, the locking element 21 in this embodiment is equipped with a trigger, which is electrically connected to the control module 4. The latch 211 in the unlocked position abuts against the trigger, so that the trigger sends a signal to the control module 4. The trigger is electrically connected to the control module 4. When the control module 4 receives the unlocking signal and controls the latch 211 and the latch 22 to unlock, the locking element 21 and the latch 22 are normally unlocked. Even if the trigger is triggered, the control module 4 will not issue an alarm. At the same time, the pressure bar 5 is opened, and the control module 4 will not issue an alarm after receiving the signal from the blocking element. However, when the control module 4 does not issue an unlocking signal, and the latch 211 is unlocked by other technical means, the control module 4 will issue an alarm signal after receiving the signal from the trigger, thereby prompting the manufacturer or manager that the locking element 21 and the latch 22 have been abnormally unlocked. In addition, the trigger is set inside the lock body 213, which is difficult to crack, has a better anti-cracking effect, and helps to improve the early warning effect.

[0028] like Figure 3As shown, the anti-tamper warning device in this embodiment also includes a switch element 3. The switch element 3 is independent of the locking element 21. The switch element 3 is fixed to the mounting plate 1 by a clamp 32 and electrically connected to the control module 4. The switch element 3 can send a signal in response to the opening action of the pressure bar 5. The control module 4 performs disassembly detection based on the signal of the switch element 3. When the pressure bar 5 is forcibly opened, the switch element 3 can send a signal to the control module 4, and the control module 4 can send an alarm signal to the manufacturer or manager, so as to detect the mahjong machine in time. In addition, in this embodiment, the switch element 3 is a micro switch. The top of the switch element 3 is provided with a button 31. When the pressure bar 5 is installed on the cover 61 and the frame 62, the button 31 of the switch element 3 abuts against the pressure bar 5 and the button 31 is in the pressed state. When the pressure bar 5 is opened, the pressure bar 5 will move away from the switch element 3. After the button 31 loses the pressure of the pressure bar 5, the button 31 will automatically pop up. At this time, the switch element 3 will send a signal to the control module 4.

[0029] It is understandable that in other embodiments, the switching element 3 can also be a Hall switch. The pressure strip 5 is equipped with a magnet. When the pressure strip 5 is installed on the cover 61 and the frame 62, the magnet is close to the Hall switch. When the pressure strip 5 is opened, the magnet on the pressure strip 5 moves away from the Hall switch. The Hall switch sends a signal to the control module 4 according to the change in the magnetic field.

[0030] It should be noted that, in this embodiment, both the signal from the switching element 3 and the signal from the trigger can trigger the disassembly detection of the control module 4. Both the signal from the switching element 3 and the signal from the trigger can trigger the control module 4 to disassemble the pressure bar 5. When the pressure bar 5 is forcibly opened, the control module 4 can send an alarm signal to the manufacturer or administrator. Furthermore, the switching element 3 and the locking element 21 are independent of each other. When the switching element 3 is compromised and cannot respond to the opening of the pressure bar 5, the control module 4 can still determine the disassembly action of the pressure bar 5 based on the abnormal unlocking of the locking element 21. Conversely, when the locking element 21 is damaged, preventing the control module 4 from detecting whether the locking element 21 has abnormally unlocked, the control module 4 can still determine the disassembly action of the pressure bar 5 based on the signal from the switching element 3. Using two independent detection methods can increase the difficulty of cracking the anti-tamper warning device, giving it a better warning effect.

[0031] It is understandable that in other embodiments, the control module 4 may also perform disassembly detection solely through the signal of the trigger; or, the control module 4 may also perform disassembly detection solely through the signal of the switching element 3.

[0032] like Figure 3 and Figure 4As shown, the mahjong machine in this embodiment is equipped with four anti-disassembly warning devices. The four anti-disassembly warning devices are respectively located in the mounting grooves 64 corresponding to the four sides of the cover 61. By setting multiple anti-disassembly warning devices, the locking effect of the pressure strip 5 can be improved, and the possibility of the pressure strip 5 being forcibly opened can be reduced. In addition, distributing the anti-disassembly warning devices on the outer side of the four sides of the cover 61 can make the locking and force of the pressure strip 5 more uniform, which helps to prevent one side of the pressure strip 5 from being opened, and ensures that the locking of the pressure strip 5 is more stable and reliable.

[0033] It is understandable that in other embodiments, the number of anti-tamper warning devices may also be no less than two, and at least two anti-tamper warning devices are located on opposite sides of the faceplate 61, which can make the locking and force distribution of the pressure strip 5 more uniform, help prevent one side of the pressure strip 5 from being opened, and ensure that the locking of the pressure strip 5 is more stable and reliable.

[0034] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Those skilled in the art should understand that this utility model includes, but is not limited to, the content described in the accompanying drawings and the specific embodiments above. Any modifications that do not depart from the functional and structural principles of this utility model will be included within the scope of the claims.

Claims

1. A mahjong machine with an anti-tamper warning device, comprising a main unit, wherein the main unit includes: Base plate; The frame surrounds the outer periphery of the base plate, and the inner side of the frame forms a receiving cavity; A cover, which is fitted onto the top of the receiving cavity, has a mounting groove between the cover and the frame; A pressure strip, which is installed on the upper side of the cover and the frame to lock the cover and the frame, and the pressure strip covers the mounting groove; The feature is that the main unit is equipped with an anti-tamper warning device, which includes: A latch, which is fixed to the bottom of the pressure strip; A locking element is fixed in the mounting groove. The locking element can be locked or unlocked with the latch. The locking element locks with the latch to lock the pressure strip. The control module is electrically connected to the locking element and can control the locking element and the latch to unlock. The control module performs disassembly detection based on the opening action of the pressure bar.

2. The mahjong machine with an anti-tamper warning device according to claim 1, characterized in that, The locking element is equipped with a trigger that is electrically connected to the control module. The trigger can send a signal in response to the unlocking action of the locking element and the latch. The control module performs disassembly detection based on the signal from the trigger.

3. The mahjong machine with an anti-tamper warning device according to claim 1, characterized in that, The anti-tamper warning device also includes a switch element independent of the locking element. The switch element is fixed in the mounting slot, electrically connected to the control module, and can send a signal in response to the opening action of the pressure bar. The control module performs disassembly detection based on the signal from the switch element.

4. The mahjong machine with an anti-tamper warning device according to claim 3, characterized in that, The locking element is equipped with a trigger that is electrically connected to the control module. The trigger can send a signal in response to the unlocking action of the locking element and the latch. Both the signal from the switching element and the signal from the trigger can trigger the disassembly detection of the control module.

5. The mahjong machine with an anti-tamper warning device according to claim 2 or 4, characterized in that, The locking element includes a lock body, in which a latch and a buckle are rotatably mounted. The latch has a locked position and an unlocked position. When the latch is in the locked position, it passes through the lock hole of the buckle to lock the pressure bar. The latch engages with the buckle to prevent the latch from disengaging from the locked position. The control module controls the buckle to swing to release the restriction on the latch. When the latch is in the unlocked position, it abuts against the trigger so that the trigger sends a signal to the control module.

6. The mahjong machine with an anti-tamper warning device according to claim 3, characterized in that, The switching element includes a micro switch, wherein the pressure bar in the locked state is kept in contact with the button of the micro switch, and the micro switch emits a signal in response to the separation of the pressure bar and the button; or, the switching element is a Hall switch, wherein the pressure bar is provided with a magnet, and the Hall switch emits a signal in response to the removal of the magnet.

7. The mahjong machine with an anti-tamper warning device according to claim 3, characterized in that, The anti-tamper warning device also includes a mounting plate, and the locking element, switching element and control module are all fixed to the mounting plate, which is connected to the mounting groove.

8. The mahjong machine with an anti-tamper warning device according to claim 7, characterized in that, The main unit also includes several columns fixed in the receiving groove for supporting the cover, and the mounting plate is connected to the columns.

9. The mahjong machine with an anti-tamper warning device according to claim 8, characterized in that, The mounting plate is provided with several mounting holes, and the mounting plate is fixedly connected to the column by fasteners.

10. The mahjong machine with an anti-tamper warning device according to claim 8, characterized in that, The host is equipped with at least two anti-tamper warning devices, which are located on opposite sides of the cover.

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