Oral x-ray machine

By introducing an emergency power-off module into the dental X-ray machine and utilizing the position switching mechanism of the anti-accidental contact component, the problem of the emergency power-off structure being susceptible to misoperation by external forces has been solved, achieving higher reliability and safety.

CN224671526UActive Publication Date: 2026-08-25GUILIN WOODPECKER MEDICAL INSTR CO LTD
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Patent Information

Application Number
CN202521633527.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-01
Publication Date
2026-08-25
Estimated Expiration
2035-08-01

AI Technical Summary

Technical Problem

The emergency power-off mechanism of existing dental X-ray machines is susceptible to misoperation by external forces, resulting in low reliability and a lack of effective safety protection mechanisms.

Method used

An emergency power-off module including an emergency button and an anti-accidental contact device was designed. The anti-accidental contact device switches between the first and second positions to restrict the pressing of the emergency button, ensuring that there is no accidental operation under normal circumstances and that the power can be quickly cut off in an emergency.

Benefits of technology

It improves the reliability of the emergency power-off function, reduces the probability of misoperation, and enhances the safety and reliability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

An oral X-ray machine relates to the field of oral equipment, which comprises a support, an X-ray emitter and an emergency power-off module; the X-ray emitter is installed on the support; the emergency power-off module comprises an emergency button and an anti-misoperation piece, the emergency button is slidably connected with the support along a first axis, the anti-misoperation piece is movably connected with the support, and the anti-misoperation piece is used for switching between a first position and a second position; when in the first position, the anti-misoperation piece is located between the emergency button and the support to limit the pressing of the emergency button; when in the second position, the anti-misoperation piece is away from between the emergency button and the support to allow the pressing of the emergency button to cut off the power supply connected with the X-ray emitter. It can improve the reliability, reduce the probability of misoperation and provide safety while realizing the emergency power-off function.
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Description

Technical Field

[0001] This utility model relates to the field of dental equipment, and more specifically, to a dental X-ray machine. Background Technology Intraoral dental X-ray machines are commonly used instruments in dental treatment. Currently, it is very common to use dental X-ray machines for pre-operative diagnosis. However, the ionizing radiation emitted during the operation of dental X-ray machines can affect the health of both doctors and patients to some extent, and in severe cases, can cause harm. Therefore, protection against X-ray machines is particularly important, especially in cases where the exposure time is out of control. Currently, there are not many protective mechanisms available for X-ray machines on the market; most rely solely on the main controller for operation and control. When the controller fails, there is no effective way to ensure the safety of the machine.

[0002] The inventors discovered during their research that existing dental X-ray machines have at least the following drawbacks: Some X-ray machine models are equipped with an emergency power-off mechanism, but it is usually directly exposed to the outside and can be triggered directly when subjected to force, which can lead to malfunctions and low reliability. Utility Model Content

[0003] The purpose of this invention includes, for example, providing an oral X-ray machine that can improve reliability, reduce the probability of misoperation, and provide safety while realizing an emergency power-off function.

[0004] The embodiments of this utility model can be implemented as follows: In a first aspect, this utility model provides an oral X-ray machine, comprising: The system includes a support frame, an X-ray emitter, and an emergency power-off module; the X-ray emitter is mounted on the support frame; the emergency power-off module includes an emergency button and an anti-accidental contact component, the emergency button being slidably connected to the support frame along a first axis, and the anti-accidental contact component being movably connected to the support frame, the anti-accidental contact component being used to switch between a first position and a second position; When in the first position, the anti-accidental activation element is located between the emergency button and the bracket to restrict the pressing of the emergency button; when in the second position, the anti-accidental activation element is removed from between the emergency button and the bracket to allow the emergency button to be pressed to cut off the power supply connected to the X-ray emitter.

[0005] In an optional embodiment, the bracket includes a bracket body, a control box, and an anti-detachment ring. The control box is mounted on the bracket body, and the anti-detachment ring is mounted on the control box. The anti-detachment ring is provided with a sliding hole and a positioning hole. The sliding hole communicates with the positioning hole. The diameter of the sliding hole is larger than the diameter of the positioning hole to form an annular limiting surface at the connection between the sliding hole and the positioning hole. The wall of the sliding hole and the wall of the positioning hole are both connected to the annular limiting surface. The emergency button includes a button body and an anti-detachment protrusion, the anti-detachment protrusion being mounted on the outer peripheral surface of the button body; the button body is simultaneously inserted through the positioning hole and the sliding hole, the anti-detachment protrusion being located inside the sliding hole, and the anti-detachment protrusion being able to contact the annular limiting surface when it is away from the control box.

[0006] In an optional embodiment, the control box includes a box body, a first conductive sheet, and a second conductive sheet. The box body is provided with a positioning groove, which has two opposing sidewalls along the extension direction of a second axis. Each of the two sidewalls has a wire-passing hole. The first conductive sheet and the second conductive sheet are both located within the positioning groove and are slidably connected to the box body along the extension direction of the second axis. A portion of the first conductive sheet and a portion of the second conductive sheet are spaced apart along the extension direction of the second axis to form a guiding space. The first axis is perpendicular to the second axis. When the button body is pressed, the button body is inserted into the guide space and simultaneously contacts the first conductive sheet and the second conductive sheet, thereby separating the first conductive sheet and the second conductive sheet to cut off the power supply.

[0007] In an optional embodiment, the control box further includes a first elastic element and a second elastic element, wherein the first elastic element is connected to both the first conductive sheet and the box body, and the second elastic element is connected to both the second conductive sheet and the box body, and the first elastic element and the second elastic element are used to make the first conductive sheet and the second conductive sheet tend to move closer to each other.

[0008] In an optional embodiment, both the first conductive sheet and the second conductive sheet are slidably connected to the box body via a slide rail.

[0009] In an optional embodiment, the outer peripheral surface of the button body is provided with a guide slope for contacting the first conductive sheet and the second conductive sheet.

[0010] In an optional embodiment, the anti-accidental contact element is rotatably connected to the bracket.

[0011] In an optional embodiment, the anti-accidental activation component includes an operating lever, a rotating shaft, and a roller. The operating lever is rotatably connected to the bracket via the rotating shaft, and the roller is mounted on the operating lever and makes rolling contact with the bracket. The operating lever is used to rotate between the emergency button and the bracket.

[0012] In an optional embodiment, the anti-accidental contact component further includes a torsion spring, which is sleeved around the rotating shaft and is simultaneously connected to the operating lever and the bracket. The bracket is provided with a limiting member, which is located on the rotation path of the operating rod; under the action of the torsion spring, the operating rod tends to rotate closer to the limiting member.

[0013] In an optional embodiment, the X-ray emitter is connected to the support via a movable joint to adjust the position of the X-ray emitter relative to the support.

[0014] The beneficial effects of this utility model embodiment include, for example: In summary, the dental X-ray machine provided in this embodiment has an emergency power-off module installed on the support. The emergency power-off module includes an emergency button and an anti-accidental press component. These two components work together to cut off the power supply to the X-ray transmitter when an emergency power outage is required. Specifically, when power needs to be cut off, the anti-accidental press component is first in the second position, losing its restriction function on the emergency button, allowing it to be pressed normally. Furthermore, in normal operation, i.e., when the X-ray transmitter is in normal use and power is not required, the anti-accidental press component is in the first position. The anti-accidental press component, in conjunction with the emergency button, prevents the emergency button from being pressed directly by external force, thus improving reliability. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the dental X-ray machine in this embodiment; Figure 2 This is a schematic diagram of the emergency power-off module in this embodiment; Figure 3 for Figure 2 A magnified view of a portion of the image; Figure 4 This is a schematic diagram of the first position of the emergency power-off module in this embodiment; Figure 5 This is a schematic diagram of the second position of the emergency power-off module in this embodiment; Figure 6 This is a circuit diagram of the dental X-ray machine in this embodiment.

[0017] icon: 100-Bracket; 110-Bracket body; 111-Base; 112-Upright pole; 113-Rotating joint; 114-Swing arm; 120-Control box; 121-Box body; 1211-Positioning groove; 1212-Wire hole; 122-First conductive sheet; 123-Second conductive sheet; 124-First elastic element; 125-Second elastic element; 126-Limiting element; 127-Controller; 128-Guiding space; 1 29-Slide rail; 130-Anti-detachment ring; 131-Sliding hole; 132-Positioning hole; 133-Annular limiting surface; 200-X-ray emitter; 300-Emergency power-off module; 310-Emergency button; 311-Button body; 3111-Guide slope; 312-Anti-detachment protrusion; 320-Anti-accidental activation component; 321-Operating lever; 322-Rotating shaft; 323-Roller; 324-Torsion spring; 400-Modular joint. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0020] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0021] In the description of this utility model, it should be noted that if terms such as "upper," "lower," "inner," or "outer" are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product is usually placed during use, 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, and therefore should not be construed as a limitation of this utility model.

[0022] Furthermore, the terms "first" and "second" are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0023] It should be noted that, where there is no conflict, the features in the embodiments of this utility model can be combined with each other.

[0024] In the prior art, some X-ray machine models are equipped with an emergency braking mechanism to enable emergency braking in case of unexpected situations. Generally, pressing the emergency braking button can quickly cut off the power. However, in existing X-ray machine models, the emergency braking button is usually directly exposed to the external environment. When subjected to external force, it can be pressed directly, which can lead to accidental operation and low reliability.

[0025] In view of this, the designers have provided an oral X-ray machine that improves the reliability of the emergency button 310 and reduces the likelihood of accidental operation.

[0026] Please refer to Figures 1-6 This embodiment provides an oral X-ray machine, which includes: The system includes a support frame 100, an X-ray emitter 200, and an emergency power-off module 300. The X-ray emitter 200 is mounted on the support frame 100. The emergency power-off module 300 includes an emergency button 310 and an anti-accidental contact component 320. The emergency button 310 is slidably connected to the support frame 100 along a first axis, and the anti-accidental contact component 320 is movably connected to the support frame 100. The anti-accidental contact component 320 is used to switch between a first position and a second position. In the first position, the anti-accidental activation element 320 is located between the emergency button 310 and the bracket 100 to restrict the emergency button 310 from being pressed; in the second position, the anti-accidental activation element 320 is removed from between the emergency button 310 and the bracket 100 to allow the emergency button 310 to be pressed to cut off the power supply connected to the X-ray emitter 200.

[0027] As described above, the dental X-ray machine provided in this embodiment operates as follows: Under normal circumstances, the anti-accidental activation device 320 is in the first position, located between the emergency button 310 and the bracket 100. This prevents the emergency button 310 from being accidentally pressed and cutting off the power, ensuring high reliability. In this state, the X-ray machine transmitter and the dental X-ray machine can operate normally. In case of an emergency requiring power cut-off, first switch the anti-accidental activation device 320 from the first position to the second position, removing it from between the emergency button 310 and the bracket 100. Then press the emergency button 310. Once pressed, the power supply connected to the X-ray transmitter 200 is cut off, making the operation convenient and quick.

[0028] The following embodiments illustrate the details of the dental X-ray machine of this application by way of example.

[0029] Please refer to Figures 1-6 In this embodiment, optionally, the dental X-ray machine includes a support 100, an X-ray emitter 200, an emergency power-off module 300, and a movable joint 400. The X-ray emitter 200 is connected to the support 100 via the movable joint 400, allowing the X-ray emitter 200 to move relative to the support 100 as needed, thereby adjusting its position relative to the support 100 and adjusting its position relative to the patient being tested, providing flexibility in use. The emergency power-off module 300 is installed on the support 100 and can quickly cut off the power supply to the X-ray emitter 200 in an emergency, thereby stopping the X-ray emitter 200 from operation and improving safety.

[0030] It should be understood that the X-ray emitter 200 and the movable joint 400 can refer to existing known structures. No improvements have been made to their structure and function in this embodiment. In order to avoid repetition and redundancy, their specific structure and principle will not be described in detail in this embodiment.

[0031] For example, the movable joint 400 can be configured as a three-dimensional moving platform, a ball joint, or a combination of both.

[0032] In this embodiment, optionally, the bracket 100 includes a bracket body 110, a control box 120, and an anti-detachment ring 130. The control box 120 is mounted on the bracket body 110, and the anti-detachment ring 130 is mounted on the control box 120.

[0033] Please refer to Figure 1 Specifically, the support body 110 includes a base 111, an upright 112, a rotating joint 113, and a swing arm 114. The bottom of the base 111 can be equipped with brakeable wheels for easy repositioning. The upright 112 is fixed to the base 111 and is approximately perpendicular to it. The rotating joint 113 can be a ball joint, fixed to the top of the upright 112, and the swing arm 114 is connected to the rotating joint 113.

[0034] Please refer to Figures 2-3 Meanwhile, the control box 120 includes a box body 121, a first conductive sheet 122, a second conductive sheet 123, a first elastic element 124, a second elastic element 125, a slide rail 129, and a limiting element 126. A controller 127 can be installed inside the box body 121, and a control panel can be installed on the surface of the box body 121. The control panel is electrically connected to the controller 127, and the controller 127 is electrically connected to the X-ray emitter 200. The box body 121 is fixed to the upright 112. A positioning groove 1211 is provided on one side of the box body 121, and the positioning groove 1211 has two groove sidewalls arranged opposite each other in the extension direction of the second axis. Each groove sidewall is provided with a wire through hole 1212 for wires to pass through. The slide rail 129 is fixed to the bottom wall of the positioning groove 1211. The first conductive sheet 122 and the second conductive sheet 123 are both located within the positioning groove 1211. The first conductive sheet 122 and the second conductive sheet 123 are slidably connected to the slide rail 129 in the extension direction of the second axis. Furthermore, a portion of the first conductive sheet 122 and a portion of the second conductive sheet 123 are spaced apart in the extension direction of the second axis to form a guide space 128, which communicates with the opening of the positioning groove 1211. At the same time, the first conductive sheet 122 and the second conductive sheet 123 are spaced apart from their corresponding groove sidewalls, providing sliding space for the first conductive sheet 122 and the second conductive sheet 123. Both the first elastic element 124 and the second elastic element 125 can be configured as springs. The first elastic element 124 is simultaneously connected to one slot sidewall of the first conductive sheet 122 and the housing body 121, and the second elastic element 125 is simultaneously connected to the second conductive sheet 123 and the other slot sidewall of the housing body 121. The first elastic element 124 and the second elastic element 125 are used to make the first conductive sheet 122 and the second conductive sheet 123 tend to move closer to each other. That is, under normal circumstances, when the emergency button 310 is not pressed, the first conductive sheet 122 and the second conductive sheet 123 are in contact, and both the first conductive sheet 122 and the second conductive sheet 123 are connected to the circuit of the X-ray emitter 200 through wires. The circuit of the X-ray emitter 200 is in a connected state, and the working state of the X-ray emitter 200 can be controlled through the control panel. The limiting member 126 can be a limiting strip. The limiting member 126 is fixed on the side of the box body 121 where the positioning groove 1211 is provided. The limiting member 126 is located on the movement path of the anti-accidental touch member 320 and can contact the anti-accidental touch member 320 to limit the movement range of the anti-accidental touch member 320.

[0035] The first axis is perpendicular to the second axis.

[0036] Optionally, the anti-detachment ring 130 is provided with a sliding hole 131 and a positioning hole 132. Both the sliding hole 131 and the positioning hole 132 are circular holes. The sliding hole 131 communicates with the positioning hole 132. The diameter of the sliding hole 131 is larger than the diameter of the positioning hole 132, so as to form an annular limiting surface 133 at the connection between the sliding hole 131 and the positioning hole 132. The hole walls of the sliding hole 131 and the positioning hole 132 are both connected to the annular limiting surface 133. During assembly, the anti-detachment ring 130 is fixed on the box body 121. The sliding hole 131 is located on the side of the positioning hole 132 closer to the box body 121, and the sliding hole 131 communicates with the groove of the positioning groove 1211 and the guide space 128.

[0037] Please refer to Figures 2-5 In this embodiment, optionally, the emergency power-off module 300 includes an emergency button 310 and an anti-accidental contact component 320. The emergency button 310 includes a button body 311 and an anti-detachment protrusion 312. The anti-detachment protrusion 312 is installed on the outer peripheral surface of the button body 311. The anti-detachment protrusion 312 can be configured as an annular protrusion, which has a large contact area, good limiting effect, low wear, and long service life. The button body 311 is simultaneously inserted into the positioning hole 132 and the sliding hole 131. The anti-detachment protrusion 312 is located in the sliding hole 131. The anti-detachment protrusion 312 can contact the annular limiting surface 133 when it is away from the control box 120, thereby preventing the emergency button 310 from detaching from the anti-detachment ring 130. When an emergency power cut is required, the anti-accidental contact component 320 is placed in the second position, and the button body 311 is pressed. The end of the button body 311 is inserted into the guide space 128, which separates the first conductive piece 122 and the second conductive piece 123. The circuit where the X-ray emitter 200 is located is in an open state and cannot be connected to the power supply.

[0038] Furthermore, the outer peripheral surface of the button body 311 is provided with a guide slope 3111 for contacting the first conductive sheet 122 and the second conductive sheet 123. When the button body 311 is pressed, the smaller end of the guide slope 3111 enters the guide space 128 first, avoiding interference between the button body 311 and the first conductive sheet 122 and the second conductive sheet 123, making the operation smoother.

[0039] In this embodiment, optionally, the anti-accidental activation component 320 includes an operating lever 321, a rotating shaft 322, a roller 323, and a torsion spring 324. The operating lever 321 is rotatably connected to the bracket 100 via the rotating shaft 322. Specifically, the rotating shaft 322 is fixed to the box body 121, and the operating lever 321 can be rotatably connected to the rotating shaft 322 via a bearing. The roller 323 is installed on the inner side of the operating lever 321, and the roller 323 rotates in cooperation with the operating lever 321. The roller 323 can travel on the bracket 100, reducing friction. The operating lever 321 is used to rotate between the emergency button 310 and the bracket 100, or to move away from the emergency button 310 and the bracket 100. A torsion spring 324 is sleeved around the rotating shaft 322. One arm of the torsion spring 324 is connected to the operating lever 321, and the other arm is connected to the housing body 121. The torsion spring 324 enables the operating lever 321 to always have a rotational tendency to switch from the second position to the first position. Under normal circumstances, under the action of the torsion spring 324, the operating lever 321 is in the first position. At this time, the operating lever 321 is in contact with the limiting member 126, preventing the operating lever 321 from continuing to rotate away from the button body 311 and the housing body 121. Thus, when it is necessary to switch the position of the operating lever 321, the operating lever 321 can be rotated away from the limiting member 126, such as... Figure 5 or Figure 5 Using the perspective as a reference, rotate the operating lever 321 counterclockwise to switch it from the first position to the second position.

[0040] It should be noted that when the power is cut off, the X-ray emitter 200, controller 127, and control panel are all de-energized. When the button body 311 is released and reset, the operating lever 321 can automatically rotate clockwise to reset under the action of the torsion spring 324, thus being in the second position. At this time, under the action of the first elastic element 124 and the second elastic element 125, the first conductive plate 122 and the second conductive plate 123 re-contact, and the entire circuit is in a connected state. At this time, the power-on and other operations can be performed through the control panel.

[0041] It should be understood that dental X-ray machines can be powered by built-in batteries or by an external power adapter.

[0042] The dental X-ray machine provided in this embodiment not only has the function of cutting off the power in an emergency, but also reduces the probability of misoperation and improves reliability.

[0043] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. An oral X-ray machine, characterized in that, include: The device comprises a support (100), an X-ray emitter (200), and an emergency power-off module (300); the X-ray emitter (200) is mounted on the support (100); the emergency power-off module (300) includes an emergency button (310) and an anti-accidental contact component (320), the emergency button (310) being slidably connected to the support (100) along a first axis, and the anti-accidental contact component (320) being movably connected to the support (100) and used for switching between a first position and a second position; When in the first position, the anti-accidental activation element (320) is located between the emergency button (310) and the bracket (100) to restrict the emergency button (310) from being pressed; when in the second position, the anti-accidental activation element (320) is removed from between the emergency button (310) and the bracket (100) to allow the emergency button (310) to be pressed to cut off the power supply connected to the X-ray emitter (200).

2. The dental X-ray machine according to claim 1, characterized in that: The bracket (100) includes a bracket body (110), a control box (120), and an anti-detachment ring (130). The control box (120) is installed on the bracket body (110), and the anti-detachment ring (130) is installed on the control box (120). The anti-detachment ring (130) is provided with a sliding hole (131) and a positioning hole (132). The sliding hole (131) communicates with the positioning hole (132). The diameter of the sliding hole (131) is larger than the diameter of the positioning hole (132) to form an annular limiting surface (133) at the connection between the sliding hole (131) and the positioning hole (132). The wall of the sliding hole (131) and the wall of the positioning hole (132) are both connected to the annular limiting surface (133). The emergency button (310) includes a button body (311) and an anti-detachment protrusion (312). The anti-detachment protrusion (312) is installed on the outer peripheral surface of the button body (311). The button body (311) passes through both the positioning hole (132) and the sliding hole (131). The anti-detachment protrusion (312) is located inside the sliding hole (131). The anti-detachment protrusion (312) can contact the annular limiting surface (133) when it is away from the control box (120).

3. The dental X-ray machine according to claim 2, characterized in that: The control box (120) includes a box body (121), a first conductive sheet (122), and a second conductive sheet (123). The box body (121) is provided with a positioning groove (1211). The positioning groove (1211) has two opposing groove sidewalls in the extension direction of the second axis. Each of the two groove sidewalls is provided with a wire hole (1212). The first conductive sheet (122) and the second conductive sheet (123) are both located in the positioning groove (1211) and are slidably connected to the box body (121) in the extension direction of the second axis. A portion of the first conductive sheet (122) and a portion of the second conductive sheet (123) are spaced apart in the extension direction of the second axis to form a guide space (128). The first axis is perpendicular to the second axis. When the button body (311) is pressed, the button body (311) is inserted into the guide space (128) and simultaneously contacts the first conductive sheet (122) and the second conductive sheet (123), thereby separating the first conductive sheet (122) and the second conductive sheet (123) to cut off the power supply.

4. The dental X-ray machine according to claim 3, characterized in that: The control box (120) further includes a first elastic element (124) and a second elastic element (125). The first elastic element (124) is connected to both the first conductive sheet (122) and the box body (121). The second elastic element (125) is connected to both the second conductive sheet (123) and the box body (121). The first elastic element (124) and the second elastic element (125) are used to make the first conductive sheet (122) and the second conductive sheet (123) tend to move closer to each other.

5. The dental X-ray machine according to claim 3, characterized in that: The first conductive sheet (122) and the second conductive sheet (123) are slidably connected to the box body (121) via a slide rail (129).

6. The dental X-ray machine according to claim 3, characterized in that: The outer peripheral surface of the button body (311) is provided with a guide slope (3111) for contacting the first conductive sheet (122) and the second conductive sheet (123).

7. The dental X-ray machine according to any one of claims 1-6, characterized in that: The anti-accidental contact component (320) is rotatably connected to the bracket (100).

8. The dental X-ray machine according to claim 7, characterized in that: The anti-accidental activation component (320) includes an operating lever (321), a rotating shaft (322), and a roller (323). The operating lever (321) is rotatably connected to the bracket (100) via the rotating shaft (322). The roller (323) is mounted on the operating lever (321) and makes rolling contact with the bracket (100). The operating lever (321) is used to rotate between the emergency button (310) and the bracket (100).

9. The dental X-ray machine according to claim 8, characterized in that: The anti-accidental touch component (320) also includes a torsion spring (324), which is sleeved on the outside of the rotating shaft (322) and is connected to both the operating lever (321) and the bracket (100). The bracket (100) is provided with a limiting member (126), which is located on the rotation path of the operating lever (321); under the action of the torsion spring (324), the operating lever (321) has a tendency to rotate closer to the limiting member (126).

10. The dental X-ray machine according to any one of claims 1-6, characterized in that: The X-ray emitter (200) is connected to the support (100) via a movable joint (400) to adjust the position of the X-ray emitter (200) relative to the support (100).