A searchlight detection device for stomatology

Abstract

The present invention relates to the field of oral detection technology, and in particular to a searchlight detection device for stomatology. It includes two rotating rods, the two rotating rods are rotatably connected to each other, the two rotating rods are fixedly connected to a support shell, the two support shells are symmetrically distributed, symmetrically distributed mounting frames are fixedly connected in the support shells, the symmetrically distributed mounting frames are rotatably connected to a first rotating shaft together, the first rotating shaft is fixedly connected to a mounting shell, the mounting shell is fixedly connected to a reflector, the mounting frame is fixedly connected to a reduction box, the output shafts of the symmetrically distributed reduction boxes are all fixedly connected to the adjacent first rotating shafts, and the input shaft of the reduction box is fixedly connected to a searchlight. The present invention opens the inner wall of the patient's oral cavity through the support shell, uses a searchlight to illuminate the patient's teeth, and observes the teeth through a reflector, thereby avoiding the need to pull the patient's lips when observing in the existing method, thereby avoiding the patient's lip rupture caused by pulling the lips, and reducing the patient's pain.

Description

Technical Field

[0001] The present invention relates to the field of oral cavity detection technology, and in particular to a searchlight detection device for stomatology. Background Art

[0002] The searchlight detection device used in the dental department is usually a device used to assist in the examination of teeth and oral tissues. This type of device can help dentists better observe the situation inside the oral cavity, including but not limited to the state of the tooth surface, the health of the gums, and possible lesions. Existing detection methods mostly use a flashlight to illuminate the inside of the patient's mouth to enhance the brightness inside the patient's mouth and facilitate the doctor's observation. When observing the outside of the patient's inner teeth, the doctor uses a mouth mirror to reach into the patient's mouth for observation. During the observation process, the handle of the mouth mirror will open the corners of the patient's mouth to prevent the mouth from blocking the line of sight and affecting the observation. However, when using this method for observation, the patient's lips will be pulled when the corners of the mouth are opened, causing discomfort to the patient's lips and may even cause the patient's lips to crack. Summary of the invention

[0003] In order to overcome the shortcomings mentioned in the above background technology, the present invention provides a searchlight detection device for stomatology.

[0004] Technical solution: A searchlight detection device for stomatology, comprising two rotating rods, the two rotating rods are rotatably connected to each other, the two rotating rods are each provided with a through hole, the two rotating rods are each fixedly connected to a supporting shell, the two supporting shells are symmetrically distributed, symmetrically distributed mounting frames are fixedly connected in the supporting shells, the symmetrically distributed mounting frames are rotatably connected together with a first rotating shaft, the first rotating shaft is fixedly connected to a mounting shell, the mounting shell is fixedly connected to a reflector, the mounting frame is fixedly connected to a reduction box, the output shafts of the symmetrically distributed reduction boxes are all fixedly connected to the adjacent first rotating shafts, and the input shaft of the reduction box is fixedly connected to a searchlight.

[0005] More preferably, the line L1 between the rotational connection of the two rotating rods and one of the axes of the first rotating shafts forms an angle α with the projection of the axis L2 of the adjacent symmetrically distributed searchlights on the horizontal plane, and the projection of the normal L3 at the center of the adjacent reflector on the horizontal plane is located on the bisector of the angle α.

[0006] More preferably, the reduction ratio of the reduction box is 2:1, and the rotation directions of the input shaft and the output shaft of the reduction box are consistent, so as to make the adjacent searchlights and the adjacent reflectors rotate proportionally.

[0007] More preferably, the outer side of the supporting shell and the surrounding areas of the mounting shell are all made of soft materials.

[0008] More preferably, a first fixed shell is fixedly connected to the support shell via a fixed seat, the first fixed shell is slidably connected to a first sliding rod, the input shaft of the reduction gearbox is fixedly connected to a telescopic rod, the telescopic ends of the symmetrically distributed telescopic rods are rotatably connected to a connecting rod, and the first sliding rod is fixedly connected to the adjacent connecting rod.

[0009] More preferably, one of the rotating rods is fixedly connected to a second fixed shell, the second fixed shell is slidably connected to a sliding shell, the second fixed shell is provided with two symmetrically distributed cavities, second sliding rods are slidably connected in the cavities, the symmetrically distributed second sliding rods are both fixedly connected to the sliding shell, the first fixed shell and the cavity are both filled with liquid, and the two cavities are respectively connected to the two first fixed shells through hoses.

[0010] More preferably, a moving ring is provided on a side of the sliding shell away from the second fixed shell, and the moving ring is used to push the sliding shell to move.

[0011] More preferably, the rotating rod is elastic, a limiting rod is fixedly connected to a side of the rotating rod away from the adjacent supporting shell, and evenly distributed protrusions are provided on the facing sides of the two limiting rods, and the protrusions on the two limiting rods are mutually limited and matched.

[0012] More preferably, it further includes two fixing frames, which are respectively fixed to a side of an adjacent rotating rod away from an adjacent supporting shell, the fixing frames are rotatably connected to a second rotating shaft, the second rotating shaft is fixed to a third fixing shell, the third fixing shell is slidably connected to a third sliding rod, the third sliding rod is fixed to the adjacent second rotating shaft, the third fixing shell is filled with liquid, and the two third fixing shells are respectively connected to the two first fixing shells through hoses.

[0013] More preferably, the second fixed shell is slidably connected to a limiting column, a spring is provided between the limiting column and the second fixed shell, the sliding shell is provided with evenly distributed grooves, and the limiting column is limitedly matched with adjacent grooves.

[0014] The beneficial effects of the present invention are as follows: the present invention uses a supporting shell to open the inner wall of the patient's oral cavity, uses a searchlight to illuminate the patient's teeth, and observes the teeth through a reflector, thereby avoiding the need to pull the patient's lips during observation in the existing method, thereby avoiding the patient's lip rupture caused by pulling the lips, and reducing the patient's pain.

[0015] By setting the positional relationship between the two rotating rods, the reflector and the searchlight, the device can be used by directly looking through the rotating connection of the two rotating rods to look at the reflector, thereby avoiding the need to constantly adjust the viewing angle of the existing reflector when in use, thereby improving the efficiency of detection.

[0016] By moving the sliding shell, the sliding shell drives the searchlight and the adjacent reflector to rotate, but L3 is always on the angle bisector of angle α, so that when the doctor observes other teeth of the patient, he only needs to look at the reflector and can observe other places without moving his eyes.

[0017] The angles of the searchlight and the reflector are adjusted by moving the third sliding rod, so that the axes of the two corresponding searchlights in different supporting shells continue to coincide, and therefore when using the device, no matter what the positional relationship between the two supporting shells is, when looking at the reflector through the rotating connection of the two rotating rods, what can be seen is the situation where the supporting shell is parked facing the teeth. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the support shell and the reflector of the present invention;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the mounting frame and the first rotating shaft of the present invention;

[0021] Figure 4 A three-dimensional structural cross-sectional view of the mounting shell and the first fixed shell of the present invention;

[0022] Figure 5 It is a schematic diagram of the planar structure of the rotating rod and the reflector of the present invention;

[0023] Figure 6 It is a schematic diagram of the three-dimensional structure of the second fixed shell and the sliding shell of the present invention;

[0024] Figure 7 This is a three-dimensional structural cross-sectional view of the second fixed shell and the sliding shell of the present invention;

[0025] Figure 8 It is an exploded view of two limit rods of the present invention;

[0026] Fig. 9 It is a three-dimensional structural cross-sectional view of the third sliding rod of the present invention.

[0027] Markings in the accompanying drawings: 1: rotating rod, 2: supporting shell, 3: mounting frame, 4: first rotating axis, 5: mounting shell, 6: reflector, 7: reduction gear box, 71: telescopic rod, 8: searchlight, 9: first fixed shell, 10: first sliding rod, 11: connecting rod, 12: second fixed shell, 13: sliding shell, 14: second sliding rod, 15: limiting rod, 16: fixing frame, 161: second rotating axis, 17: third fixed shell, 18: third sliding rod, 19: limiting column. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] During use, the existing device will pull the patient's lips when stretching the patient's mouth corners, causing discomfort to the patient's lips and may even cause the patient's lips to crack. In addition, when adjusting the observation angle, the existing device will repeatedly pull the patient's mouth corners.

[0030] Embodiment 1: A searchlight detection device for stomatology, such as Figure 1-Figure 5As shown, it includes two rotating rods 1, which are lightning-shaped rods. The two rotating rods 1 are rotatably connected to each other. The two rotating rods 1 are both provided with through holes, which are used for fingers to pass through, so as to facilitate the operation of the device. The rear sides of the two rotating rods 1 are fixedly connected with support shells 2, and the two support shells 2 are symmetrically distributed in the left and right. Two mounting frames 3 symmetrically distributed in the upper and lower parts are fixedly connected in the support shells 2. The two mounting frames 3 are rotatably connected with a first rotating shaft 4 together. A mounting shell 5 is fixedly connected to the middle part of the first rotating shaft 4. A reflector 6 is fixedly connected to the side of the mounting shell 5 away from the adjacent first rotating shaft 4. The mounting frame 3 is fixedly connected with a reduction box 7. The output shafts of the two reduction boxes 7 are both fixedly connected to the adjacent first rotating shaft 4. The input shaft of the reduction box 7 is fixedly connected with a searchlight 8. The searchlight 8 is used to increase the brightness of the observation point. The rotating connection of the two rotating rods 1 The line L1 between the joint and one of the axes of the first rotating shafts 4 forms an angle α with the projection of the axis L2 of the adjacent symmetrically distributed searchlight 8 on the horizontal plane. The projection of the normal line L3 at the center of the adjacent reflector 6 on the horizontal plane is located on the angular bisector of the angle α, so that the reflected light of the area illuminated by the searchlight 8 is reflected by the adjacent reflector 6 and passes through the rotating connection of the two rotating rods 1, which is convenient for doctors to observe and improve the detection efficiency. The reduction ratio of the reduction box 7 is 2:1, and the rotation directions of the input shaft and the output shaft of the reduction box 7 are consistent, which is used to make the adjacent searchlight 8 and the adjacent reflector 6 rotate proportionally, so that the normal line L3 at the center of the reflector 6 is always located on the angular bisector of the angle α. The outer side of the support shell 2 and the surrounding of the mounting shell 5 are all made of soft materials to avoid discomfort to the patient's mouth.

[0031] like Figure 4 As shown, a first fixed shell 9 is fixedly connected to the support shell 2 through a fixed seat, a first sliding rod 10 is slidably connected to the rear side of the first fixed shell 9, a telescopic rod 71 is fixedly connected to the input shaft of the reduction gearbox 7, and the telescopic ends of the symmetrically distributed telescopic rods 71 ​​are rotatably connected together with a connecting rod 11, the connecting rod 11 is a C-shaped rod, the first sliding rod 10 is fixedly connected to the adjacent connecting rod 11, and when the first sliding rod 10 moves, the two adjacent telescopic rods 71 ​​are driven to rotate through the adjacent connecting rods 11.

[0032] like Figure 6 and Figure 7As shown, a second fixed shell 12 is fixedly connected to the lower side of the rotating rod 1 connected to the left supporting shell 2, and a sliding shell 13 is slidably connected to the left rear side of the second fixed shell 12. The second fixed shell 12 and the sliding shell 13 are arranged obliquely to adapt to the direction of the index finger of the right hand, so as to facilitate the operation of the sliding shell 13 when using the device. The second fixed shell 12 is provided with two symmetrically distributed cavities, in which second sliding rods 14 are slidably connected, and the two second sliding rods 14 are fixedly connected to the sliding shell 13. The first fixed shell 9 and the cavity are filled with liquid. The liquids mentioned here and below are all hydraulic oils for transmission. The left front cavity is connected to the first fixed shell 9 on the left side by a hose, and the right rear cavity is connected to the first fixed shell 9 on the right side by a hose. A moving ring is provided on the side of the sliding shell 13 away from the second fixed shell 12, and the moving ring is used to push the sliding shell 13 to move. When in use, the index finger is inserted into the moving ring, so as to facilitate the reciprocating movement of the sliding shell 13.

[0033] like Figure 7 and Figure 8 As shown, the rotating rod 1 is elastic and is used to make the two limit rods 15 contact and separate. The front side of the rotating rod 1 is fixedly connected to the limit rod 15. The facing sides of the two limit rods 15 are provided with evenly distributed protrusions. The protrusions on the two limit rods 15 limit each other. The two limit rods 15 are limited by the protrusions thereon, so that when the supporting shell 2 props up the inner wall of the patient's mouth, the two rotating rods 1 will not rotate even if the doctor does not exert force with his hands.

[0034] When using the device, turn on the searchlight 8, hold the device with the right hand, insert the thumb into the through hole on the rotating rod 1 connected to the left support shell 2, pass the middle finger and ring finger through the through hole on the other rotating rod 1, and pass the index finger through the movable ring, so as to facilitate the operation of the device, and then rotate the two rotating rods 1, and the two rotating rods 1 drive the two support shells 2 to rotate, so as to adjust the distance between the two support shells 2, so as to facilitate the two support shells 2 to be extended into the patient's mouth. When the two support shells 2 are extended into the position to be detected in the mouth, the two rotating rods 1 are spread apart to separate the two support shells 2, so that the two support shells 2 are respectively located on both sides of the patient's teeth.

[0035] During the adjustment process, when the two supporting shells 2 are brought close to each other, the thumb is applied upward and the middle finger and ring finger are applied downward to separate the two limit rods 15, and then the front sides of the two rotating rods 1 are moved toward each other. After the adjustment is completed, the two limit rods 15 are reset. When the two supporting shells 2 are moved away from each other, the front sides of the two rotating rods 1 are moved in the opposite direction, and the front sides of the two rotating rods 1 gradually move away from each other. At this time, the rotating rod 1 drives the adjacent limit rods 15 to move, and the two limit rods 15 move in opposite directions and keep in contact at all times. After the adjustment is completed, the two supporting shells 2 are squeezed by the inner wall of the patient's mouth and have a tendency to move toward each other, but under the action of the mutual limitation of the two limit rods 15, the two rotating rods 1 will not rotate, so that the supporting shells 2 will not move toward each other due to the squeezing of the inner wall of the patient's mouth, thereby making it easier for the doctor to use the device.

[0036] Initially, the axes of the two corresponding searchlights 8 in different support shells 2 coincide with each other. At this time, by looking through the rotating connection of the two rotating rods 1 to any reflector 6, the condition of the teeth in the area illuminated by the adjacent searchlights 8 can be seen. Therefore, when using the present device, the support shell 2 is placed near the teeth to be inspected, and the condition of the patient's teeth can be directly observed without adjustment, thereby facilitating the doctor's inspection of the patient's teeth.

[0037] After the two supporting shells 2 enter the patient's oral cavity and are fixed, when inspecting other teeth of the patient, only the index finger needs to be used to adjust the position of the sliding shell 13 through the moving ring, and the sliding shell 13 drives the two second sliding rods 14 to move. The second sliding rods 14 press the liquid in the adjacent cavity into the adjacent first fixed shell 9 through the hose, or suck the liquid from the adjacent first fixed shell 9 into the adjacent cavity through the hose, so that the adjacent first sliding rod 10 moves, the first sliding rod 10 pushes the adjacent connecting rod 11 to move, the connecting rod 11 drives the adjacent two telescopic rods 71 ​​to move, the telescopic rod 71 drives the input shaft of the adjacent reduction box 7 to rotate, and the input shaft of the reduction box 7 drives the adjacent searchlight The light 8 rotates, thereby changing the position of the searchlight 8 to increase the brightness of the detection location and facilitate detection. At this time, the input shaft of the reduction box 7 drives the output shaft to rotate, the output shaft of the reduction box 7 drives the adjacent first rotating shaft 4 to rotate, the first rotating shaft 4 drives the adjacent mounting shell 5 to rotate, and the mounting shell 5 drives the adjacent reflector 6 to rotate. Because the output shaft rotation angle is half of the input shaft rotation angle, the reflector 6 rotation angle is half of the adjacent searchlight 8 rotation angle. Therefore, L3 is still located on the angular bisector of angle α. Therefore, when changing the detection position, the eyes do not need to move, and only need to continue to pass through the rotating connection of the two rotating rods 1 to look at the reflector 6 to observe the area illuminated by the searchlight 8.

[0038] When the existing device is used, the direction of the mouth mirror needs to be adjusted each time, which is complicated to use and leads to a long detection time.

[0039] Embodiment 2: Based on embodiment 1, Figure 6 and Fig. 9 As shown, it also includes two fixing frames 16, which are respectively fixed to the front sides of adjacent rotating rods 1, and the fixing frames 16 are rotatably connected to the second rotating shaft 161, and the second rotating shaft 161 is fixed to the third fixing shell 17, and the two third fixing shells 17 are symmetrically distributed in the center, and the third fixing shell 17 is slidably connected to the third sliding rod 18, and the third sliding rod 18 is fixed to the adjacent second rotating shaft 161, and the third fixing shell 17 is filled with liquid, and the third fixing shell 17 on the lower side is connected to the first fixing shell 9 on the left side through a hose, and the third fixing shell 17 on the upper side is connected to the first fixing shell 9 on the right side through a hose. When the two rotating rods 1 rotate, the two first sliding rods 10 are driven by the two third fixing shells 17 and the two third sliding rods 18 to adjust the two reflectors 6 and the two searchlights 8, so that the axes of the two searchlights 8 remain coincident, so that when the device is in use, the eyes look at the reflector 6 through the rotating connection of the two rotating rods 1, and the area of ​​the adjacent support shell 2 projected on the outer plane of the tooth can be directly seen.

[0040] like Figure 7 As shown, the second fixed shell 12 is slidably connected to the limiting column 19, and a spring is arranged between the limiting column 19 and the second fixed shell 12. The spring is initially in a compressed state and is used to limit the sliding shell 13 by the limiting column 19. The sliding shell 13 is provided with evenly distributed grooves, and the limiting column 19 is limited and cooperated with adjacent grooves. When the limiting column 19 is inserted into the adjacent grooves on the sliding shell 13, when the two third fixed shells 17 and the two third sliding rods 18 move relative to each other, the liquid in the two will not affect the two second sliding rods 14.

[0041] When adjusting the position of the support shell 2, taking the back-to-back movement of the two support shells 2 as an example, the planes at the openings of the two support shells 2 change from being parallel to intersecting, and the intersection of the two planes is located at the front side of the two support shells 2. At this time, the support shell 2 drives the adjacent reflector 6 to move through the adjacent mounting frame 3, the first rotating shaft 4 and the mounting shell 5. At the same time, the two rotating rods 1 respectively drive the adjacent fixing frame 16 to move, and the fixing frame 16 drives the adjacent second rotating shaft 161 to move. The two second rotating shafts 161 push the two third fixed shells 17 and the two third sliding rods 18 to move back to back, so that the third fixed shell 17 presses the liquid in the adjacent third sliding rod 18 into the adjacent third sliding rod 18 through the hose. In the first fixed shell 9, the increase of liquid in the first fixed shell 9 pushes the adjacent first sliding rod 10 to move backward, and the first sliding rod 10 drives the adjacent two searchlights 8 and the adjacent reflector 6 to rotate through the adjacent connecting rod 11, so that the axes of the two corresponding searchlights 8 in different supporting shells 2 continue to coincide, so that when using the present device, no matter what positional relationship the two supporting shells 2 are in, when looking at the reflector 6 through the rotating connection of the two rotating rods 1, what can be seen is the situation that the parking position of the supporting shell 2 is facing the teeth. Therefore, when using the present device, it is only necessary to open the inner wall of the patient's oral cavity with the two supporting shells 2 at the detection position for direct observation, which is convenient to use.

[0042] When the third fixed shell 17 and the third sliding rod 18 move, since the limiting column 19 limits the sliding shell 13, the second fixed shell 12 and the two second sliding rods 14 will not produce relative movement, and the movement of the third fixed shell 17 and the third sliding rod 18 will only transmit the adjacent first sliding rod 10 to move. When the sliding shell 13 is moved after the support shell 2 is fixed, the sliding shell 13 moves and squeezes the limiting column 19, so that the limiting column 19 moves downward and compresses the adjacent spring. When the limiting column 19 is aligned with the new groove, the limiting column 19 is reset under the action of the adjacent spring, and the second fixed shell 12 and the sliding shell 13 are limited again. At this time, since the two limiting rods 15 limit each other, the third fixed shell 17 and the third sliding rod 18 will not transmit the adjacent first sliding rod 10 to move. At this time, the two second sliding rods 14 transmit the adjacent first sliding rod 10 to move respectively.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A searchlight detection device for stomatology, comprising two rotating rods (1), the two rotating rods (1) being rotatably connected to each other, and both of the two rotating rods (1) being provided with a through hole, wherein: It also comprises two support shells (2), the two support shells (2) are respectively fixed to adjacent rotating rods (1), the two support shells (2) are symmetrically distributed, the support shells (2) are fixed with symmetrically distributed mounting frames (3), the symmetrically distributed mounting frames (3) are rotatably connected together with a first rotating shaft (4), the first rotating shaft (4) is fixedly connected to a mounting shell (5), the mounting shell (5) is fixedly connected to a reflector (6), the mounting frame (3) is fixedly connected to a reduction box (7), the output shafts of the symmetrically distributed reduction boxes (7) are all fixedly connected to the adjacent first rotating shaft (4), and the input shaft of the reduction box (7) is fixedly connected to a searchlight (8); The line L1 between the rotation connection points of the two rotating rods (1) and the axis of one of the first rotating shafts (4) forms an angle α with the projection of the axis L2 of the adjacent symmetrically distributed searchlights (8) on the horizontal plane, and the projection of the normal line L3 at the center of the adjacent reflector (6) on the horizontal plane is located on the bisector of the angle α; The reduction ratio of the reduction box (7) is 2:1, and the rotation directions of the input shaft and the output shaft of the reduction box (7) are consistent, so as to enable the adjacent searchlights (8) and the adjacent reflectors (6) to rotate in proportion.

2. The searchlight detection device for stomatology according to claim 1, characterized in that: The outer side of the support shell (2) and the surrounding areas of the installation shell (5) are all made of soft materials.

3. The searchlight detection device for stomatology according to claim 1, characterized in that: A first fixed shell (9) is fixedly connected to the support shell (2) via a fixed seat, the first fixed shell (9) is slidably connected to a first sliding rod (10), an input shaft of the reduction box (7) is fixedly connected to a telescopic rod (71), the telescopic ends of the symmetrically distributed telescopic rods (71) are rotatably connected to a connecting rod (11), and the first sliding rod (10) is fixedly connected to an adjacent connecting rod (11).

4. The searchlight detection device for stomatology according to claim 3, characterized in that: one The rotating rod (1) is fixedly connected to a second fixed shell (12), the second fixed shell (12) is slidably connected to a sliding shell (13), the second fixed shell (12) is provided with two symmetrically distributed cavities, second sliding rods (14) are slidably connected in the cavities, the symmetrically distributed second sliding rods (14) are both fixedly connected to the sliding shell (13), the first fixed shell (9) and the cavities are both filled with liquid, and the two cavities are respectively connected to the two first fixed shells (9) through hoses.

5. The searchlight detection device for stomatology according to claim 4, characterized in that: A moving ring is provided on a side of the sliding shell (13) away from the second fixed shell (12), and the moving ring is used to push the sliding shell (13) to move.

6. The searchlight detection device for stomatology according to claim 4, characterized in that: The rotating rod (1) is elastic, and a side of the rotating rod (1) away from the adjacent supporting shell (2) is fixedly connected to a limiting rod (15), and evenly distributed protrusions are provided on the facing sides of the two limiting rods (15), and the protrusions on the two limiting rods (15) are mutually limited and matched.

7. The searchlight detection device for stomatology according to claim 4, characterized in that: The invention also comprises two fixing frames (16), the fixing frames (16) being respectively fixed to a side of an adjacent rotating rod (1) away from an adjacent supporting shell (2), the fixing frames (16) being rotatably connected to a second rotating shaft (161), the second rotating shaft (161) being fixedly connected to a third fixing shell (17), the third fixing shell (17) being slidably connected to a third sliding rod (18), the third sliding rod (18) being fixedly connected to the adjacent second rotating shaft (161), the third fixing shell (17) being filled with liquid, and the two third fixing shells (17) being respectively connected to the two first fixing shells (9) via a hose.

8. The searchlight detection device for stomatology according to claim 7, characterized in that: The second fixed shell (12) is slidably connected to a limiting column (19), a spring is provided between the limiting column (19) and the second fixed shell (12), the sliding shell (13) is provided with evenly distributed grooves, and the limiting column (19) is limitedly matched with adjacent grooves.

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