Oral cavity lighting equipment for oral cavity examination

Abstract

The invention discloses oral cavity lighting equipment for oral cavity examination, and relates to the technical field of medical instruments, the oral cavity lighting equipment comprises a grip, the surface of the grip is fixedly connected with a fixing frame, the surface of the fixing frame is fixedly provided with a lighting lamp, one end of the grip is provided with an adjusting assembly, and one end of the adjusting assembly is fixedly connected with a mounting frame; according to the oral cavity lighting equipment for oral cavity examination, by arranging the adjusting assembly, the effect of adjusting the distance between the plane mirror and the holding handle is achieved, when the plane mirror extends into the oral cavity of a patient, the plane mirror is irradiated through the lighting lamp, and the illumination effect is improved; through reflection of the plane mirror, the light illuminates the position needing to be examined in the oral cavity, the angle of the plane mirror is adjusted through the adjusting mechanism so that it can be guaranteed that the light irradiates the needed position, a dentist can observe the oral cavity of a patient through the plane mirror, and oral cavity examination is more convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical appliances, in particular to a mouth illumination device for oral examination. BACKGROUND

[0002] Oral examination is a comprehensive evaluation of teeth, gums, oral mucosa and other tissues through professional tools and methods, aiming to early detect caries, periodontal disease, oral cancer and other lesions, while checking the arrangement of teeth, occlusion function and oral hygiene status, providing basis for developing personalized treatment plan and preventive measures, and is an important means to maintain oral health. The mouth lamp is a product used to provide illumination during oral surgery and diagnosis, so that the dentist can check the patient's mouth.

[0003] At present, the mouth lamp in the prior art can only illuminate from the outside of the patient's mouth, and under the shielding of the patient's teeth, shadows are easily formed in some positions inside the patient's mouth, making it difficult for the dentist to clearly observe the patient's mouth, especially the part of the teeth facing the inside of the patient's mouth, thereby affecting the oral examination.

[0004] And we can find that the existing oral illumination device on the market is difficult to avoid the above-mentioned problems at the same time when in use, and even if it can be solved, it needs to be solved by external tools, so it cannot achieve the desired effect. Therefore, we propose a mouth illumination device for oral examination. SUMMARY

[0005] The purpose of the present application is to provide a mouth illumination device for oral examination to solve the problems raised in the background.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a mouth illumination device for oral examination, comprising a handle, the surface of the handle is fixedly connected with a fixing frame, the surface of the fixing frame is fixedly installed with a lighting lamp, one end of the handle is provided with an adjusting assembly, one end of the adjusting assembly is fixedly connected with a mounting frame, the surface of the mounting frame is rotatably connected with a plane mirror, the plane mirror is used in cooperation with the lighting lamp, the surface of the handle is provided with an adjusting mechanism, and the adjusting mechanism is used in cooperation with the plane mirror.

[0007] The adjusting assembly comprises a screw rod slidably connected in the handle, one end of the handle is rotatably connected with an adjusting sleeve, the inner cavity of the adjusting sleeve is threadedly connected with the surface of the screw rod, the inner wall of the handle is fixedly installed with a supporting block, the surface of the screw rod is provided with a supporting groove, and the inner cavity of the supporting groove is slidably connected with the surface of the supporting block.

[0008] The adjusting mechanism comprises a sliding sleeve arranged on the surface of the handle, a connecting rod is arranged through the surface of the sliding sleeve, the surface of the connecting rod is in sliding connection with the sliding sleeve, a positioning sleeve is arranged in screw thread on the surface of the sliding sleeve, the positioning sleeve is used in cooperation with the connecting rod, a sliding assembly is arranged at one end of the connecting rod, and the sliding assembly is used in cooperation with the plane mirror.

[0009] Preferably, one end of the handle is fixedly provided with a connecting block, a connecting groove is arranged on the surface of the adjusting screw sleeve, and the inner cavity of the connecting groove is in sliding connection with the surface of the connecting block.

[0010] Preferably, a first limiting groove is arranged on the surface of the connecting block, and a first limiting block is fixedly arranged on the inner wall of the connecting groove and in sliding connection with the inner cavity of the first limiting groove.

[0011] Preferably, a first sliding block is fixedly arranged on the inner wall of the sliding sleeve, a first sliding groove is arranged on the surface of the handle, and the surface of the first sliding block is in sliding connection with the inner cavity of the first sliding groove.

[0012] Preferably, a second limiting groove is arranged on the surface of the first sliding block, a second limiting block is fixedly arranged on the inner wall of the first sliding groove and in sliding connection with the inner cavity of the second limiting groove.

[0013] Preferably, an opening is arranged on the surface of the sliding sleeve, the inner cavity of the opening is in sliding connection with the surface of the connecting rod, a pressing plate is rotatably arranged in the opening, the pressing plate is used in cooperation with the connecting rod, an inclined convex block is fixedly arranged on the inner wall of the positioning sleeve, an arc-shaped convex block is fixedly arranged on the surface of the pressing plate, and the arc-shaped convex block is used in cooperation with the inclined convex block.

[0014] Preferably, the sliding assembly comprises a second sliding groove arranged on the surface of the plane mirror, a second sliding block is rotatably arranged at one end of the connecting rod, and the surface of the second sliding block is in sliding connection with the inner cavity of the second sliding groove.

[0015] Preferably, a universal ball is fixedly arranged at one end of the second sliding block, an arc-shaped groove is arranged on the inner wall of the second sliding groove, and the surface of the universal ball is in sliding connection with the inner cavity of the arc-shaped groove.

[0016] Preferably, a supporting rod is fixedly arranged at one end of the connecting rod, and the second sliding block is rotatably arranged on the surface of the supporting rod.

[0017] Preferably, a positioning block is fixedly arranged at one end of the supporting rod and in sliding connection with the surface of the second sliding block.

[0018] Compared with the prior art, the present application has the following beneficial effects:

[0019] 1. The present application adjusts the distance between the plane mirror and the handle through the adjusting assembly, and when the plane mirror is inserted into the patient's oral cavity, the plane mirror is irradiated by the illuminating lamp, the light illuminates the position to be examined in the oral cavity through the reflection of the plane mirror, the angle of the plane mirror is adjusted through the adjusting mechanism, so that the light irradiates the required position, and the dentist can observe the patient's oral cavity through the plane mirror, so that the oral cavity examination is more convenient.

[0020] 2. The present application adjusts the angle of the plane mirror through the adjusting mechanism, and the connecting rod can avoid affecting the movement of the plane mirror through the sliding connection of the connecting rod and the sliding sleeve, and the connecting rod is positioned through the positioning sleeve, so that the position of the sliding sleeve is adjusted to drive the connecting rod to adjust the angle of the plane mirror, so that the angle of the plane mirror is adjusted after the plane mirror is inserted into the patient's oral cavity. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0022] Figure 2 It is an exploded structure schematic diagram of the present application;

[0023] Figure 3 It is a schematic diagram of the present application cross-section structure;

[0024] Figure 4 It is a schematic diagram of the adjusting mechanism structure of the present application;

[0025] Figure 5 It is a schematic diagram of the sliding sleeve structure of the present application;

[0026] Figure 6 It is a schematic diagram of the positioning sleeve structure of the present application;

[0027] Figure 7 It is a schematic diagram of the left view structure of the present application;

[0028] Figure 8 It is a schematic diagram of the sliding assembly structure of the present application.

[0029] As shown in the figure, 1 is a handle, 101 is a fixing frame, 102 is an illuminating lamp, 2 is an adjusting assembly, 21 is a screw rod, 22 is an adjusting sleeve, 23 is a supporting block, 24 is a supporting groove, 25 is a connecting block, 26 is a connecting groove, 27 is a first limiting block, 28 is a first limiting groove, 3 is a mounting frame, 4 is a plane mirror, 5 is an adjusting mechanism, 51 is a sliding sleeve, 5101 is a first sliding block, 5102 is a first sliding groove, 5103 is a second limiting block, 5104 is a second limiting groove, 52 is a connecting rod, 53 is a positioning sleeve, 5301 is an opening, 5302 is a pressing plate, 5303 is an inclined convex block, 5304 is an arc convex block, 54 is a sliding assembly, 5401 is a second sliding block, 5402 is a second sliding groove, 5403 is a universal ball, 5404 is an arc groove, 5405 is a supporting rod, and 5406 is a positioning block. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0031] Embodiment 1: Please refer to Figures 1-8 The present application provides a technical solution: an oral cavity illuminating device for oral cavity examination, comprising a handle 1, the surface of the handle 1 is fixedly connected with a fixing frame 101, the surface of the fixing frame 101 is fixedly installed with an illuminating lamp 102, one end of the handle 1 is provided with an adjusting assembly 2, one end of the adjusting assembly 2 is fixedly connected with a mounting frame 3, the surface of the mounting frame 3 is rotatably connected with a plane mirror 4, the plane mirror 4 is used in cooperation with the illuminating lamp 102, the surface of the handle 1 is provided with an adjusting mechanism 5, and the adjusting mechanism 5 is used in cooperation with the plane mirror 4.

[0032] The adjusting assembly 2 comprises a screw rod 21 which is slidingly connected in the handle 1, one end of the handle 1 is rotatably connected with an adjusting sleeve 22, the inner cavity of the adjusting sleeve 22 is threadedly connected with the surface of the screw rod 21, the inner wall of the handle 1 is fixedly installed with a supporting block 23, the surface of the screw rod 21 is provided with a supporting groove 24, and the inner cavity of the supporting groove 24 is slidingly connected with the surface of the supporting block 23.

[0033] The adjusting mechanism 5 comprises a sliding sleeve 51 sleeved on the surface of the handle 1, the surface of the sliding sleeve 51 is provided with a connecting rod 52, the surface of the connecting rod 52 is in sliding connection with the sliding sleeve 51, the surface of the sliding sleeve 51 is threadedly sleeved with a positioning sleeve 53, the positioning sleeve 53 is used in cooperation with the connecting rod 52, one end of the connecting rod 52 is provided with a sliding assembly 54, the sliding assembly 54 is used in cooperation with the plane mirror 4; when it is needed to examine the oral cavity of the patient, the adjusting screw sleeve 22 is rotated, the surface of the supporting block 23 is in sliding connection with the inner cavity of the supporting groove 24, the adjusting screw sleeve 22 drives the screw rod 21 to move, the mounting frame 3 is driven to move by the screw rod 21, the plane mirror 4 is driven to move by the mounting frame 3, so that the distance between the plane mirror 4 and the handle 1 is adjusted, then the plane mirror 4 is inserted into the oral cavity of the patient and the illuminating lamp 102 is turned on, the plane mirror 4 is irradiated by the illuminating lamp 102, the light irradiates the position to be examined in the oral cavity through the reflection of the plane mirror 4, then the position of the sliding sleeve 51 is adjusted, the connecting rod 52 is positioned by the positioning sleeve 53, so that the sliding sleeve 51 drives the connecting rod 52 to move, the connecting rod 52 drives the plane mirror 4 to rotate, so that the angle of the plane mirror 4 is adjusted, so that the light is irradiated on the required position, and the dentist can observe the oral cavity of the patient through the plane mirror 4.

[0034] As a further limitation of the adjusting assembly 2 of the present application, one end of the handle 1 is fixedly provided with a connecting block 25, the surface of the adjusting screw sleeve 22 is provided with a connecting groove 26, the inner cavity of the connecting groove 26 is in sliding connection with the surface of the connecting block 25; the surface of the connecting block 25 is in sliding connection with the inner cavity of the connecting groove 26, so that the position of the adjusting screw sleeve 22 is effectively stabilized, and displacement of the adjusting screw sleeve 22 does not affect the position of the screw rod 21.

[0035] The surface of the connecting block 25 is provided with a first limiting groove 28, the inner wall of the connecting groove 26 is fixedly provided with a first limiting block 27, the surface of the first limiting block 27 is in sliding connection with the inner cavity of the first limiting groove 28; the surface of the first limiting block 27 is in sliding connection with the inner cavity of the first limiting groove 28, so that the connecting block 25 and the connecting groove 26 are not separated, and the position of the adjusting screw sleeve 22 is not affected.

[0036] The specific implementation of the embodiment is: when the oral cavity of the patient needs to be examined, the adjusting sleeve 22 is rotated, the surface of the first limiting block 27 is connected with the inner cavity of the first limiting groove 28 in sliding mode, so that the connecting block 25 is prevented from being separated from the connecting groove 26, the surface of the supporting block 23 is connected with the inner cavity of the supporting groove 24 in sliding mode, the adjusting sleeve 22 can drive the screw rod 21 to move, the screw rod 21 drives the mounting frame 3 to move, and the mounting frame 3 drives the plane mirror 4 to move, so that the distance between the plane mirror 4 and the handle 1 is adjusted, then the plane mirror 4 is inserted into the oral cavity of the patient and the illuminating lamp 102 is turned on, the plane mirror 4 is irradiated by the illuminating lamp 102, the light irradiates the position to be examined in the oral cavity through the reflection of the plane mirror 4, then the position of the sliding sleeve 51 is adjusted, the connecting rod 52 is positioned by the positioning sleeve 53, the sliding sleeve 51 drives the connecting rod 52 to move, the connecting rod 52 drives the plane mirror 4 to rotate, so that the angle of the plane mirror 4 is adjusted, so that the light is irradiated on the required position, and the dentist can observe the oral cavity of the patient through the plane mirror 4.

[0037] Embodiment 2: see Figures 1-8 The present application provides a technical solution: a mouth illuminating device for oral examination, which improves the technical problems mentioned in the background art.

[0038] As a further limitation of the adjusting mechanism 5 of the present application, the inner wall of the sliding sleeve 51 is fixedly provided with a first sliding block 5101, the surface of the handle 1 is provided with a first sliding groove 5102, and the surface of the first sliding block 5101 is connected with the inner cavity of the first sliding groove 5102 in sliding mode; the position of the sliding sleeve 51 is stabilized by the sliding connection between the surface of the first sliding block 5101 and the inner cavity of the first sliding groove 5102, so that the sliding sleeve 51 is prevented from falling off and affecting the angle adjustment of the plane mirror 4.

[0039] The surface of the first sliding block 5101 is provided with a second limiting groove 5104, the inner wall of the first sliding groove 5102 is fixedly provided with a second limiting block 5103, and the surface of the second limiting block 5103 is connected with the inner cavity of the second limiting groove 5104 in sliding mode; the position of the first sliding block 5101 in the first sliding groove 5102 is stabilized by the sliding connection between the surface of the second limiting block 5103 and the inner cavity of the second limiting groove 5104, so that the first sliding block 5101 is prevented from being separated from the first sliding groove 5102 and affecting the position of the sliding sleeve 51.

[0040] The surface of the sliding sleeve 51 is provided with an opening 5301, the inner cavity of the opening 5301 is in sliding connection with the surface of the connecting rod 52, the inner cavity of the opening 5301 is rotatably provided with a pressing plate 5302, the pressing plate 5302 is used in cooperation with the connecting rod 52, the inner wall of the positioning sleeve 53 is fixedly provided with an inclined convex block 5303, the surface of the pressing plate 5302 is fixedly provided with an arc convex block 5304, and the arc convex block 5304 is used in cooperation with the inclined convex block 5303; when it is required to make the connecting rod 52 in sliding connection with the sliding sleeve 51, the positioning sleeve 53 is rotated, so that the inclined convex block 5303 is separated from the arc convex block 5304, so that the pressing plate 5302 is no longer tightly pressed on the connecting rod 52, so that the connecting rod 52 can move simultaneously with the plane mirror 4 when the distance between the plane mirror 4 and the handle 1 is adjusted, and after the position adjustment of the plane mirror 4 is completed, the positioning sleeve 53 is screwed with the sliding sleeve 51, so that the inclined convex block 5303 extrudes the arc convex block 5304, so that the inclined convex block 5303 pushes the pressing plate 5302 to tightly adhere to the connecting rod 52, so as to achieve the locking effect of the connecting rod 52, so that the connecting rod 52 can move simultaneously with the plane mirror 4 when the position of the sliding sleeve 51 is adjusted, so that the connecting rod 52 drives the plane mirror 4 to rotate for angle adjustment of the plane mirror 4.

[0041] The specific implementation of the embodiment is that when the distance between the plane mirror 4 and the handle 1 is adjusted, the positioning sleeve 53 is loosened, so that the inclined convex block 5303 is separated from the arc convex block 5304, so that the pressing plate 5302 is no longer tightly pressed on the connecting rod 52, so that the connecting rod 52 can move simultaneously with the plane mirror 4 when the distance between the plane mirror 4 and the handle 1 is adjusted, and after the position adjustment of the plane mirror 4 is completed, the positioning sleeve 53 is screwed with the sliding sleeve 51, so that the inclined convex block 5303 extrudes the arc convex block 5304, so that the inclined convex block 5303 pushes the pressing plate 5302 to tightly adhere to the connecting rod 52, so as to achieve the locking effect of the connecting rod 52, then the sliding sleeve 51 is moved, and the surface of the second limiting block 5103 is in sliding connection with the inner cavity of the second limiting groove 5104, so as to stabilize the position of the first sliding block 5101 in the first sliding groove 5102, and further stabilize the position of the sliding sleeve 51, that is, the sliding sleeve 51 drives the connecting rod 52 to move, the connecting rod 52 drives the plane mirror 4 to rotate, and the angle of the plane mirror 4 is adjusted.

[0042] Embodiment 3: please refer to Figures 1-8 The present application provides a technical solution: a mouth illuminating device for oral examination, which improves the technical problems mentioned in the background art.

[0043] As a further limitation of the adjusting mechanism 5 of the application, the sliding assembly 54 comprises a second sliding groove 5402 opened on the surface of the plane mirror 4, one end of the connecting rod 52 is rotatably installed with a second sliding block 5401, the surface of the second sliding block 5401 is in sliding connection with the inner cavity of the second sliding groove 5402; the second sliding block 5401 is slidably connected in the interior of the second sliding groove 5402, and is rotatably connected with the connecting rod 52 through the second sliding block 5401, so that the second sliding block 5401 can slide in the interior of the second sliding groove 5402 when the connecting rod 52 moves, thereby enabling the second sliding groove 5402 to push the plane mirror 4 to adjust the angle of the plane mirror 4.

[0044] One end of the second sliding block 5401 is fixedly installed with a universal ball 5403, an arc-shaped groove 5404 is opened on the inner wall of the second sliding groove 5402, and the surface of the universal ball 5403 is in sliding connection with the inner cavity of the arc-shaped groove 5404; by slidingly connecting the surface of the universal ball 5403 with the inner cavity of the arc-shaped groove 5404, the second sliding block 5401 can rotate around the universal ball 5403 while rotating in the interior of the second sliding groove 5402, so as to avoid the situation that the second sliding block 5401 and the plane mirror 4 are stuck together, thereby affecting the angle adjustment of the plane mirror 4.

[0045] One end of the connecting rod 52 is fixedly installed with a supporting rod 5405, and the second sliding block 5401 is rotatably sleeved on the surface of the supporting rod 5405; the second sliding block 5401 is rotatably connected with the connecting rod 52 through the supporting rod 5405, which can make the adjustment of the angle of the plane mirror 4 more flexible, and avoid the situation that the second sliding block 5401 and the connecting rod 52 are stuck together, thereby affecting the angle adjustment of the plane mirror 4.

[0046] One end of the supporting rod 5405 is fixedly installed with a positioning block 5406, and the surface of the positioning block 5406 is in sliding connection with the surface of the second sliding block 5401; by installing the positioning block 5406 on one end of the supporting rod 5405, the positioning block 5406 can stabilize the butt joint position of the second sliding block 5401 and the supporting rod 5405, thereby avoiding the separation of the second sliding block 5401 and the supporting rod 5405.

[0047] The specific implementation of the embodiment is that when the connecting rod 52 is moved by the sliding sleeve 51, the connecting rod 52 can drive the second sliding block 5401 to slide in the second sliding groove 5402, and the surface of the universal ball 5403 is connected with the inner cavity of the arc-shaped groove 5404 to slide, so that the second sliding block 5401 can rotate in the second sliding groove 5402, the second sliding block 5401 can rotate around the universal ball 5403 as the center, the position of the second sliding block 5401 on the surface of the supporting rod 5405 is stabilized by the positioning block 5406, the second sliding block 5401 is prevented from being separated from the supporting rod 5405, the other end of the second sliding block 5401 can rotate around the supporting rod 5405 as the center, and the situation that the second sliding block 5401 is stuck between the plane mirror 4 and the connecting rod 52 is avoided, so that the normal adjustment of the angle of the plane mirror 4 is ensured.

[0048] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0049] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An oral illumination device for oral examinations comprising a handle (1), characterized in that: The surface of the handle (1) is fixedly connected with a fixing frame (101), the surface of the fixing frame (101) is fixedly installed with a lighting lamp (102), one end of the handle (1) is provided with an adjusting assembly (2), one end of the adjusting assembly (2) is fixedly connected with a mounting frame (3), the surface of the mounting frame (3) is rotatably connected with a plane mirror (4), the plane mirror (4) is used in cooperation with the lighting lamp (102), the surface of the handle (1) is provided with an adjusting mechanism (5), and the adjusting mechanism (5) is used in cooperation with the plane mirror (4). The adjusting assembly (2) comprises a screw rod (21) slidably connected in the handle (1), one end of the handle (1) is rotatably connected with an adjusting screw sleeve (22), the inner cavity of the adjusting screw sleeve (22) is in threaded connection with the surface of the screw rod (21), the inner wall of the handle (1) is fixedly installed with a supporting block (23), and the surface of the screw rod (21) is provided with a supporting groove (24); the inner cavity of the supporting groove (24) is in sliding connection with the surface of the supporting block (23). The adjusting mechanism (5) comprises a sliding sleeve (51) slidably sleeved on the surface of the handle (1), the surface of the sliding sleeve (51) penetrates a connecting rod (52), the surface of the connecting rod (52) is in sliding connection with the sliding sleeve (51), the surface of the sliding sleeve (51) is threadedly sleeved with a positioning sleeve (53), the positioning sleeve (53) is used in cooperation with the connecting rod (52), one end of the connecting rod (52) is provided with a sliding assembly (54), and the sliding assembly (54) is used in cooperation with the plane mirror (4).

2. An oral illumination device for oral examinations according to claim 1, characterized in that: One end of the handle (1) is fixedly installed with a connecting block (25), the surface of the adjusting screw sleeve (22) is provided with a connecting groove (26), and the inner cavity of the connecting groove (26) is in sliding connection with the surface of the connecting block (25).

3. An oral illumination device for oral examinations according to claim 2, characterized in that: The surface of the connecting block (25) is provided with a first limiting groove (28), and the inner wall of the connecting groove (26) is fixedly installed with a first limiting block (27); the surface of the first limiting block (27) is in sliding connection with the inner cavity of the first limiting groove (28).

4. The oral illumination device for oral examination of claim 1, wherein: The inner wall of the sliding sleeve (51) is fixedly installed with a first sliding block (5101), the surface of the first sliding block (5101) is in sliding connection with the inner cavity of the first sliding groove (5102), and the surface of the first sliding block (5101) is provided with a second limiting groove (5104).

5. An oral illumination device for oral examinations according to claim 4, characterized in that: The inner wall of the first sliding groove (5102) is fixedly installed with a second limiting block (5103), and the surface of the second limiting block (5103) is in sliding connection with the inner cavity of the second limiting groove (5104).

6. The oral illumination device for oral examination of claim 1, wherein: The surface of the sliding sleeve (51) is provided with an opening (5301), the inner cavity of the opening (5301) is in sliding connection with the surface of the connecting rod (52), the inside of the opening (5301) is rotatably provided with a pressing plate (5302), the pressing plate (5302) is used in cooperation with the connecting rod (52), the inner wall of the positioning sleeve (53) is fixedly provided with an inclined cam (5303), the surface of the pressing plate (5302) is fixedly provided with an arc-shaped cam (5304), and the arc-shaped cam (5304) is used in cooperation with the inclined cam (5303).

7. The oral illumination device for oral examination of claim 1, wherein: The sliding assembly (54) comprises a second sliding groove (5402) formed in the surface of the plane mirror (4), one end of the connecting rod (52) is rotatably provided with a second sliding block (5401), and the surface of the second sliding block (5401) is in sliding connection with the inner cavity of the second sliding groove (5402).

8. An oral illumination device for oral examinations according to claim 7, characterized in that: One end of the second sliding block (5401) is fixedly provided with a universal ball (5403), the inner wall of the second sliding groove (5402) is provided with an arc-shaped groove (5404), and the surface of the universal ball (5403) is in sliding connection with the inner cavity of the arc-shaped groove (5404).

9. An oral illumination device for oral examinations according to claim 8, characterized in that: One end of the connecting rod (52) is fixedly provided with a supporting rod (5405), and the second sliding block (5401) is rotatably sleeved on the surface of the supporting rod (5405).

10. An oral illumination device for oral examinations according to claim 9, characterized in that: One end of the supporting rod (5405) is fixedly provided with a positioning block (5406), and the surface of the positioning block (5406) is in sliding connection with the surface of the second sliding block (5401).

Images