Auxiliary device for ear examination

Abstract

The present invention discloses an auxiliary device for ear examination, including a headband and a shell fixed on the headband, a forehead mirror is arranged below the shell, an adjustment component for adjusting the forehead mirror at multiple angles is arranged inside the shell, and the adjustment component includes an active rod telescopically plugged into the upper surface of the shell, the lower end of the active rod is sleeved with a non-complete gear located in the shell, and a handle is fixedly installed on the upper end of the active rod. The present invention uses an external light source to fill in the forehead mirror, and the external light source that is not worn on the doctor's forehead can be adjusted at will according to the doctor's needs, thereby improving the convenience of the device as a whole; by setting the adjustment component, the working angle of the forehead mirror can be adjusted in multiple directions through the same driving shaft, so that the doctor can see the situation inside the patient's ear clearly; by setting the lifting component, the distance between the shell and the forehead mirror can be adjusted, so as to adapt to the height of the forehead of different doctors.

Description

Technical Field

[0001] The invention relates to the field of medical technology, in particular to an otolaryngology examination auxiliary device. Background Art

[0002] Otology is one of the clinical subjects. Common diseases include ear trauma, otitis externa, otitis media, middle ear effusion, middle ear pearl tumor, hearing impairment, tinnitus, vertigo, sudden deafness, Eustachian tube obstruction, hearing aid selection, artificial electronic ear surgery, and hearing and language training.

[0003] The ear organs are deep in the tiny cavities and have complex anatomical structures. Specialist physical examination is an essential medical procedure in the diagnosis and treatment of ear diseases. At present, routine ear examination and ear treatment operations require doctors to wear a forehead mirror and use a lighting device to fill the forehead mirror with light to reflect the light beam from the opposite light source to the examined area, so that doctors can clearly observe the patient's ear.

[0004] For example, an otolaryngology examination auxiliary device disclosed in the authorization announcement number CN112274093A can adjust the up and down inclination angle of the light source to achieve the change of the up and down direction of the emitted light, and adjust the light source left and right to make the incident angle of the emitted light on the horizontal plane adjustable, and the distance between the light source and the condenser can be adjusted to achieve the focusing of the light.

[0005] Traditionally, an external light source is often used to supplement the forehead mirror, and the light source of the device is also worn on the doctor's forehead, which makes it inconvenient to adjust the light source, and the forehead mirror is also difficult to adjust at multiple angles according to the doctor's needs.

[0006] Therefore, we propose an auxiliary device for ear examination to solve the above problems. Summary of the invention

[0007] The purpose of the present invention is to provide an auxiliary device for ear examination, which uses an external light source to supplement the lighting of a forehead mirror. The external light source that is not worn on the doctor's forehead can be adjusted at will according to the doctor's needs, thereby improving the overall convenience of the device; by setting an adjustment component, the working angle of the forehead mirror can be adjusted in multiple directions through the same driving axis, so that the doctor can see the situation inside the patient's ear clearly, which solves the problem that the light source is worn on the doctor's forehead, which is inconvenient to adjust the light source, and the forehead mirror is difficult to adjust at multiple angles according to the doctor's needs.

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an otolaryngological examination auxiliary device, comprising a headband and a shell fixed on the headband, a forehead mirror is arranged below the shell, an adjustment component for adjusting the forehead mirror at multiple angles is arranged inside the shell, the adjustment component comprises an active rod telescopically plugged into the upper surface of the shell, a non-complete gear located in the shell is sleeved on the lower end of the active rod, and a handle is fixedly installed on the upper end of the active rod, an external light source is used to fill in the light of the forehead mirror, and the external light source that is not worn on the doctor's forehead can be adjusted at will according to the doctor's needs, thereby improving the convenience of the device as a whole, and by setting the adjustment component, the working angle of the forehead mirror can be adjusted in multiple directions through the same driving shaft, so that the doctor can see the situation inside the patient's ear clearly.

[0009] Preferably, an external annular shaft with its lower end extending to the outside is provided in the outer shell, a mounting seat is sleeved on the lower end of the external annular shaft and a gear 2 is sleeved on the upper end of the external annular shaft, one end of the mounting seat is rotatably connected to an L rod, and the forehead mirror is rotatably connected to the free end of the L rod.

[0010] Preferably, the adjustment assembly also includes a middle annular shaft located inside the outer annular shaft and with both ends extending to the outside of the outer annular shaft, the upper end of the middle annular shaft is sleeved with gear three located above gear two, the lower end of the middle annular shaft is sleeved with a first bevel gear, and one end of the mounting seat is rotatably connected to a second bevel gear coaxially fixed with the L rod.

[0011] Preferably, an internal circular shaft is provided in the middle annular shaft with both ends extending to the outside thereof, the upper end of the internal circular shaft is sleeved with gear four located above gear three, the lower end of the internal circular shaft is sleeved with a third bevel gear, the end of the mounting seat away from the second bevel gear is rotatably connected to a fourth bevel gear meshing with the third bevel gear, and the L rod is rotatably connected to a fifth bevel gear coaxially fixed with the forehead mirror and meshing with the fourth bevel gear.

[0012] Preferably, a lifting assembly is provided in the headband, and the lifting assembly includes two annular plates which are integrally fixed on the inner wall of the outer shell and distributed up and down, and a threaded rod is sleeved on the surface of the outer annular shaft, and two symmetrically distributed U-shaped limit rods are fixedly connected to the lower end of the threaded rod, and the free end of the U-shaped limit rod is telescopically inserted into the side wall of the outer shell. By setting the lifting assembly, the distance between the outer shell and the forehead mirror can be adjusted to adapt to the height of the forehead of different doctors.

[0013] Preferably, the upper end of the threaded rod is fixedly connected to a bending rod, each end of the bending rod is fixedly connected to an annular seat, and the inner circular shaft, the middle annular shaft and the outer annular shaft are all rotatably connected in different annular seats.

[0014] Preferably, the lifting assembly also includes an internal threaded sleeve sleeved on the surface of the threaded rod and threadedly connected thereto, the internal threaded sleeve is located between the two annular plates and rotatably connected to the two annular plates, and the surface of the internal threaded sleeve is sleeved with a gear five located between the two annular plates.

[0015] Preferably, an airbag is installed on the inner side of the headband, and an input component for conveying gas into the airbag is provided in the shell, the input component comprises a barrel fixed on the inner wall of the shell, pipe one and pipe two which are interconnected with the interior of the barrel are fixedly connected on the surface of the barrel, one-way valve one is installed on the pipe one, one-way valve two is installed on the pipe two, a piston plate is provided in the barrel, a piston rod is vertically fixed on the upper surface of the piston plate, a magnetic block one is fixedly connected to the upper end of the piston rod, two symmetrically distributed limit plates for limiting the piston plate are integrally fixed to the open mouth of the barrel, a hose is fixedly installed between the pipe one and the airbag, and after the doctor wears the headband on his head, gas is conveyed into the airbag through the input component to expand the airbag, which can make the device as a whole more stable on the doctor's forehead.

[0016] Preferably, the input component also includes a rectangular block which is sleeved on the surface of the active rod and rotatably connected to the active rod, a cross bar and an extension rod are fixedly connected to the surface of the rectangular block, the free end of the cross bar is longitudinally limited and slidably connected to the inner wall of the outer shell, and the free end of the extension rod is fixedly connected to a magnetic block 2 which attracts the magnetic block 1.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. Use an external light source to supplement the forehead mirror. The external light source that is not worn on the doctor's forehead can be adjusted at will according to the doctor's needs, thereby improving the overall convenience of the device;

[0019] 2. By setting an adjustment component, the working angle of the forehead mirror can be adjusted in multiple directions through the same driving axis, so that the doctor can see the situation inside the patient's ear clearly.

[0020] 3. By setting a lifting component, the distance between the shell and the forehead mirror can be adjusted to adapt to the height of the forehead of different doctors.

[0021] 4. After the doctor puts the headband on his head, gas is delivered into the airbag through the input component to expand the airbag, making the device more stable on the doctor's forehead. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0023] Figure 2 It is a schematic cross-sectional structural diagram of the housing in the present invention;

[0024] Figure 3 The structure of the adjustment component in the present invention is shown in FIG. Figure 1 ;

[0025] Figure 4 The structure of the adjustment component in the present invention is shown in FIG. Figure 2 ;

[0026] Figure 5 The structure of the adjustment component in the present invention is shown in FIG. Figure 3 ;

[0027] Figure 6 It is a structural schematic diagram of the lifting assembly in the present invention;

[0028] Figure 7 For the present invention Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0029] Figure 8 It is a schematic diagram of the structure of the input component in the present invention.

[0030] In the figure: 1, headband; 2, shell; 3, forehead mirror; 4, adjustment assembly; 41, active rod; 42, incomplete gear; 43, outer ring shaft; 44, mounting seat; 45, gear 2; 46, L rod; 47, middle ring shaft; 48, gear 3; 49, first bevel gear; 410, second bevel gear; 411, inner circular shaft; 412, gear 4; 413, third bevel gear; 414, fourth bevel gear; 415, fifth bevel gear; 5, lifting assembly; 5 1. Annular plate; 52. Threaded rod; 53. U-shaped limit rod; 54. Bending rod; 55. Annular seat; 56. Internal threaded sleeve; 57. Gear five; 6. Airbag; 7. Input assembly; 71. Drum; 72. Pipeline one; 73. Pipeline two; 74. One-way valve one; 75. One-way valve two; 76. Piston plate; 77. Piston rod; 78. Magnetic block one; 79. Limit plate; 710. Rectangular block; 711. Cross bar; 713. Extension rod; 714. Magnetic block two. DETAILED DESCRIPTION

[0031] 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. Embodiment 1

[0032] See also Figure 1-Figure 5The present invention provides a technical solution: an otolaryngological examination auxiliary device, comprising a headband 1, and a shell 2 fixed on the headband 1, a forehead mirror 3 is arranged below the shell 2, and an adjustment component 4 for adjusting the forehead mirror 3 at multiple angles is arranged inside the shell 2.

[0033] An external light source is used to supplement the forehead mirror 3. The external light source not worn on the doctor's forehead can be adjusted at will according to the doctor's needs, thereby improving the overall convenience of the device;

[0034] By providing the adjustment component 4, the working angle of the forehead mirror 3 can be adjusted in multiple directions through the same driving shaft, so that the doctor can see the situation inside the patient's ear clearly.

[0035] The adjustment component 4 includes an active rod 41 telescopically inserted into the upper surface of the shell 2, the lower end of the active rod 41 is sleeved with an incomplete gear 42 located in the shell 2 and a handle is fixedly installed on the upper end of the active rod 41, an external annular shaft 43 with its lower end extending to the outside is provided in the shell 2, the lower end of the external annular shaft 43 is sleeved with a mounting seat 44 and the upper end of the external annular shaft 43 is sleeved with a gear 2 45, one end of the mounting seat 44 is rotatably connected to an L rod 46, and the forehead mirror 3 is rotatably connected to the free end of the L rod 46.

[0036] The active rod 41 is driven to move in the vertical direction by the external handle, so that the active rod 41 and the gear 2 45 are in a state of mutual meshing, and then the active rod 41 is rotated by the handle, and the active rod 41 can drive the incomplete gear 42 sleeved on its bottom end to rotate accordingly, and the incomplete gear 42 can drive the gear 2 45 meshing with it to rotate accordingly, and the gear 2 45 can drive the external annular shaft 43 to rotate accordingly, and the external annular shaft 43 can drive the mounting seat 44 sleeved on its lower end to rotate accordingly, and the mounting seat 44 can drive the L rod 46 to rotate accordingly, and the L rod 46 can drive the forehead mirror 3 to rotate to a preset angle.

[0037] The adjustment assembly 4 also includes a middle annular shaft 47 located inside the outer annular shaft 43 and with both ends extending to the outside of the outer annular shaft 43. The upper end of the middle annular shaft 47 is sleeved with a gear three 48 located above the gear two 45, and the lower end of the middle annular shaft 47 is sleeved with a first bevel gear 49. One end of the mounting seat 44 is rotatably connected to a second bevel gear 410 coaxially fixed with the L rod 46.

[0038] During use, the active rod 41 is driven to move in the vertical direction by an external handle, so that the active rod 41 and gear three 48 are in a state of mutual meshing, and then the active rod 41 is rotated by the handle, and the active rod 41 can drive the incomplete gear 42 sleeved on its bottom end to rotate accordingly, and the incomplete gear 42 can drive the gear three 48 meshing with it to rotate accordingly, and the gear three 48 can drive the middle annular shaft 47 to rotate accordingly, and the middle annular shaft 47 can drive the first bevel gear 49 sleeved on its lower end to rotate accordingly, and the first bevel gear 49 can drive the second bevel gear 410 meshing with it to rotate accordingly, and the second bevel gear 410 can drive the L rod 46 coaxially fixed thereto to rotate accordingly, and the L rod 46 can drive the mirror 3 to rotate to a preset angle.

[0039] The middle annular shaft 47 is provided with an internal circular shaft 411 with both ends extending to the outside thereof, the upper end of the internal circular shaft 411 is sleeved with a gear four 412 located above the gear three 48, and the lower end of the internal circular shaft 411 is sleeved with a third bevel gear 413, and the end of the mounting seat 44 away from the second bevel gear 410 is rotatably connected to a fourth bevel gear 414 meshing with the third bevel gear 413, and the L rod 46 is rotatably connected to a fifth bevel gear 415 coaxially fixed to the forehead mirror 3 and meshing with the fourth bevel gear 414.

[0040] During use, the active rod 41 is driven by the external handle to move in the vertical direction, so that the active rod 41 and the gear four 412 are in a state of mutual meshing, and then the active rod 41 is rotated by the handle, and the active rod 41 can drive the incomplete gear 42 sleeved on its bottom end to rotate accordingly, and the incomplete gear 42 can drive the gear four 412 meshing therewith to rotate accordingly, and the gear four 412 can drive the internal circular shaft 411 to rotate accordingly, and the internal circular shaft 411 can drive the third bevel gear 413 sleeved on its lower end to rotate accordingly, and the third bevel gear 413 can drive the fourth bevel gear 414 meshing therewith to rotate accordingly, and the fourth bevel gear 414 can drive the fifth bevel gear 415 meshing therewith to rotate accordingly, and the fifth bevel gear 415 can drive the forehead mirror 3 coaxially fixed therewith to rotate to a preset position;

[0041] Therefore, the active rod 41 can be used to achieve multi-angle adjustment of the forehead mirror 3 . Embodiment 2

[0042] See also Figure 6-Figure 7 This embodiment further explains the first embodiment, and a lifting component 5 is provided in the headband 1.

[0043] By providing the lifting assembly 5, the distance between the housing 2 and the forehead mirror 3 can be adjusted to suit the height of the forehead of different doctors.

[0044] The lifting assembly 5 includes two annular plates 51 which are integrally fixed on the inner wall of the outer shell 2 and distributed up and down. A threaded rod 52 is sleeved on the surface of the outer annular shaft 43. Two symmetrically distributed U-shaped limit rods 53 are fixedly connected to the lower end of the threaded rod 52. The free end of the U-shaped limit rod 53 is telescopically inserted into the side wall of the outer shell 2.

[0045] During use, since the moving path of the threaded rod 52 is limited by the two U-shaped limiting rods 53 , it cannot rotate along with the outer annular shaft 43 and can only move in the vertical direction.

[0046] The upper end of the threaded rod 52 is fixedly connected to a bending rod 54 , and each end of the bending rod 54 is fixedly connected to an annular seat 55 . The inner circular shaft 411 , the middle annular shaft 47 and the outer annular shaft 43 are all rotatably connected in different annular seats 55 .

[0047] The lifting assembly 5 also includes an internal threaded sleeve 56 sleeved on the surface of the threaded rod 52 and threadedly connected thereto. The internal threaded sleeve 56 is located between the two annular plates 51 and is rotatably connected to the two annular plates 51. A gear 57 located between the two annular plates 51 is sleeved on the surface of the internal threaded sleeve 56.

[0048] During use, the active rod 41 is driven to move in the vertical direction by the external handle, so that the active rod 41 and the gear five 57 are in a state of mutual meshing, and then the active rod 41 is rotated by the handle, and the active rod 41 can drive the incomplete gear 42 sleeved on its bottom end to rotate accordingly, and the incomplete gear 42 can drive the gear five 57 meshing with it to rotate accordingly, and the gear five 57 can drive the internal threaded sleeve 56 to rotate accordingly, and the internal threaded sleeve 56 can drive the threaded rod 52 to move in the vertical direction, and the threaded rod 52 can drive the bending rod 54 and the annular seat 55 to move in the vertical direction accordingly, so that the internal circular shaft 411, the middle annular shaft 47, and the external annular shaft 43 all move in the vertical direction along with the annular seat 55, and the external annular shaft 43 can drive the L rod 46 to move accordingly through the mounting seat 44 sleeved on its lower end, and the L rod 46 can drive the forehead mirror 3 to move in the vertical direction accordingly. Embodiment 3

[0049] See also Figure 7 and Figure 8 This embodiment further explains the second embodiment. An air bag 6 is installed inside the headband 1 , and an input component 7 for conveying gas into the air bag 6 is provided inside the shell 2 .

[0050] After the doctor wears the headband 1 on his head, gas is delivered into the airbag 6 through the input component 7, so that the airbag 6 expands, which can make the entire device more stable on the doctor's forehead.

[0051] The input assembly 7 includes a barrel 71 fixed on the inner wall of the outer shell 2, and a pipe 1 72 and a pipe 2 73 which are interconnected with the interior of the barrel 71 are fixedly connected on the surface of the barrel 71, a one-way valve 1 74 is installed on the pipe 1 72, and a one-way valve 2 75 is installed on the pipe 2 73. A piston plate 76 is arranged in the barrel 71, and a piston rod 77 is vertically fixed on the upper surface of the piston plate 76, and a magnetic block 1 78 is fixedly connected to the upper end of the piston rod 77. Two symmetrically distributed limit plates 79 for limiting the piston plate 76 are integrally fixed at the open end of the barrel 71, and a hose is fixedly installed between the pipe 1 72 and the airbag 6.

[0052] The input component 7 also includes a rectangular block 710 which is sleeved on the surface of the active rod 41 and rotatably connected to the active rod 41. The surface of the rectangular block 710 is fixedly connected to a cross bar 711 and an extension rod 713. The free end of the cross bar 711 is longitudinally limited and slidably connected to the inner wall of the shell 2. The free end of the extension rod 713 is fixedly connected to a magnetic block 2 714 which attracts the magnetic block 1 78.

[0053] In use, the active rod 41 is pushed downward, and the active rod 41 can drive the rectangular block 710 to move downward, and the rectangular block 710 can drive the cross bar 711 and the extension rod 713 fixed on its surface to move downward, and the extension rod 713 can drive the second magnetic block 714 fixed at one end thereof to move downward, so that the second magnetic block 714 is adsorbed on the surface of the first magnetic block 78;

[0054] The active rod 41 is then used to drive the magnetic block 2 714 to move up and down reciprocatingly. The magnetic block 2 714 can drive the piston plate 76 to perform piston motion in the barrel 71 through the magnetic block 1 78 and the piston rod 77, so that the external air enters the barrel 71 through the pipe 2 73, and then enters the airbag 6 through the pipe 1 72 and the hose, causing the airbag 6 to expand.

[0055] Working principle:

[0056] An external light source is used to supplement the forehead mirror 3. The external light source not worn on the doctor's forehead can be adjusted at will according to the doctor's needs, thereby improving the overall convenience of the device;

[0057] The active rod 41 is driven to move in the vertical direction by the external handle, so that the active rod 41 and the second gear 45 are in a state of mutual meshing, and then the active rod 41 is rotated by the handle, and the active rod 41 can drive the incomplete gear 42 sleeved on the bottom end thereof to rotate accordingly, and the incomplete gear 42 can drive the second gear 45 meshing therewith to rotate accordingly, and the second gear 45 can drive the external annular shaft 43 to rotate accordingly, and the external annular shaft 43 can drive the mounting seat 44 sleeved on the lower end thereof to rotate accordingly, and the mounting seat 44 can drive the L rod 46 to rotate accordingly, and the L rod 46 can drive the forehead mirror 3 to rotate to a preset angle accordingly;

[0058] The active rod 41 is driven to move in the vertical direction by an external handle, so that the active rod 41 and the gear three 48 are in a state of mutual meshing, and then the active rod 41 is rotated by the handle, the active rod 41 can drive the incomplete gear 42 sleeved on its bottom end to rotate accordingly, the incomplete gear 42 can drive the gear three 48 meshing therewith to rotate accordingly, the gear three 48 can drive the middle annular shaft 47 to rotate accordingly, the middle annular shaft 47 can drive the first bevel gear 49 sleeved on its lower end to rotate accordingly, the first bevel gear 49 can drive the second bevel gear 410 meshing therewith to rotate accordingly, the second bevel gear 410 can drive the L rod 46 coaxially fixed therewith to rotate accordingly, and the L rod 46 can drive the mirror 3 to rotate to a preset angle accordingly;

[0059] The active rod 41 is driven by the external handle to move in the vertical direction, so that the active rod 41 and the gear four 412 are in a state of mutual meshing, and then the active rod 41 is rotated by the handle, the active rod 41 can drive the incomplete gear 42 sleeved on its bottom end to rotate accordingly, the incomplete gear 42 can drive the gear four 412 meshing with it to rotate accordingly, the gear four 412 can drive the internal circular shaft 411 to rotate accordingly, the internal circular shaft 411 can drive the third bevel gear 413 sleeved on its lower end to rotate accordingly, the third bevel gear 413 can drive the fourth bevel gear 414 meshing with it to rotate accordingly, the fourth bevel gear 414 can drive the fifth bevel gear 415 meshing with it to rotate accordingly, and the fifth bevel gear 415 can drive the forehead mirror 3 coaxially fixed with it to rotate to a preset position;

[0060] The active rod 41 is driven to move in the vertical direction by the external handle, so that the active rod 41 and the gear 5 57 are in a state of mutual meshing, and then the active rod 41 is rotated by the handle, and the active rod 41 can drive the incomplete gear 42 sleeved at its bottom end to rotate accordingly, and the incomplete gear 42 can drive the gear 5 57 meshing therewith to rotate accordingly, and the gear 57 can drive the internal threaded sleeve 56 to rotate accordingly, and the internal threaded sleeve 56 can drive the threaded rod 52 to move in the vertical direction, and the threaded rod 52 can drive the bending rod 54 and the annular seat 55 to move in the vertical direction accordingly, so that the internal circular shaft 411, the middle annular shaft 47, and the external annular shaft 43 all move in the vertical direction along with the annular seat 55, and the external annular shaft 43 can drive the L rod 46 to move accordingly through the mounting seat 44 sleeved at its lower end, and the L rod 46 can drive the forehead mirror 3 to move in the vertical direction accordingly;

[0061] Push the active rod 41 downward, the active rod 41 can drive the rectangular block 710 to move downward, the rectangular block 710 can drive the cross bar 711 and the extension rod 713 fixed on its surface to move downward, the extension rod 713 can drive the second magnetic block 714 fixed at one end thereof to move downward, so that the second magnetic block 714 is adsorbed on the surface of the first magnetic block 78;

[0062] The active rod 41 is then used to drive the magnetic block 2 714 to move up and down reciprocatingly. The magnetic block 2 714 can drive the piston plate 76 to perform piston motion in the barrel 71 through the magnetic block 1 78 and the piston rod 77, so that the external air enters the barrel 71 through the pipe 2 73, and then enters the airbag 6 through the pipe 1 72 and the hose, causing the airbag 6 to expand.

[0063] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An otology examination auxiliary device, comprising a headband (1), and a housing (2) fixed to the headband (1), characterized in that: A forehead mirror (3) is arranged below the shell (2), and an adjustment component (4) for adjusting the forehead mirror (3) at multiple angles is arranged inside the shell (2), the adjustment component (4) comprising an active rod (41) telescopically plugged into the upper surface of the shell (2); The lower end of the active rod (41) is sleeved with an incomplete gear (42) located in the housing (2), and the upper end of the active rod (41) is fixedly mounted with a handle; The housing (2) is provided with an outer annular shaft (43) whose lower end extends to the outside thereof; the lower end of the outer annular shaft (43) is sleeved with a mounting seat (44) and the upper end of the outer annular shaft (43) is sleeved with a second gear (45); one end of the mounting seat (44) is rotatably connected to an L-rod (46); the forehead mirror (3) is rotatably connected to the free end of the L-rod (46); the adjustment assembly (4) further comprises a middle annular shaft (47) located in the outer annular shaft (43) and having both ends extending to the outside of the outer annular shaft (43); the upper end of the middle annular shaft (47) is sleeved with a third gear (48) located above the second gear (45); The lower end of the middle annular shaft (47) is sleeved with a first bevel gear (49); one end of the mounting seat (44) is rotatably connected to a second bevel gear (410) coaxially fixed to the L rod (46); an internal circular shaft (411) is arranged inside the middle annular shaft (47) with both ends extending to the outside thereof; a fourth gear (412) located above the third gear (48) is sleeved on the upper end of the internal circular shaft (411); a third bevel gear (413) is sleeved on the lower end of the internal circular shaft (411); and an end of the mounting seat (44) away from the second bevel gear (410) is rotatably connected to a fourth bevel gear meshing with the third bevel gear (413). (414), a fifth bevel gear (415) is rotatably connected to the L rod (46) and is coaxially fixed to the forehead mirror (3) and meshes with the fourth bevel gear (414); a lifting assembly (5) is arranged in the headband (1), and the lifting assembly (5) comprises two annular plates (51) which are integrally fixed to the inner wall of the shell (2) and are distributed up and down; a threaded rod (52) is sleeved on the surface of the external annular shaft (43), and two symmetrically distributed U-shaped limiting rods (53) are fixedly connected to the lower end of the threaded rod (52), and the free end of the U-shaped limiting rod (53) is telescopically inserted into the side wall of the shell (2); the threaded rod (5 2) A bending rod (54) is fixedly connected to the upper end, each end of the bending rod (54) is fixedly connected to an annular seat (55), and the inner circular shaft (411), the middle annular shaft (47) and the outer annular shaft (43) are all rotatably connected in different annular seats (55); the lifting assembly (5) further comprises an internal threaded sleeve (56) sleeved on the surface of the threaded rod (52) and threadedly connected thereto, the internal threaded sleeve (56) is located between the two annular plates (51) and rotatably connected to the two annular plates (51), and a gear 5 (57) located between the two annular plates (51) is sleeved on the surface of the internal threaded sleeve (56).

2. An otolaryngological examination auxiliary device according to claim 1, characterized in that: An air bag (6) is installed on the inner side of the headband (1), and an input assembly (7) for conveying gas into the air bag (6) is arranged inside the outer shell (2). The input assembly (7) comprises a barrel (71) fixed on the inner wall of the outer shell (2), and a first pipe (72) and a second pipe (73) which are interconnected with the inner part of the barrel (71) are fixedly connected to the surface of the barrel (71), and a first check valve (74) is installed on the first pipe (72), and a second check valve (75) is installed on the second pipe (73).

3. An otolaryngological examination auxiliary device according to claim 2, characterized in that: A piston plate (76) is arranged in the barrel (71), a piston rod (77) is vertically fixed to the upper surface of the piston plate (76), and a magnetic attraction block (78) is fixedly connected to the upper end of the piston rod (77).

4. The ear examination auxiliary device according to claim 3, characterized in that: Two symmetrically distributed limiting plates (79) for limiting the piston plate (76) are integrally fixed to the open end of the barrel (71), and a hose is fixedly installed between the pipe 1 (72) and the air bag (6).

5. An otolaryngological examination auxiliary device according to claim 4, characterized in that: The input assembly (7) further comprises a rectangular block (710) sleeved on the surface of the active rod (41) and rotatably connected to the active rod (41), and a crossbar (711) and an extension rod (713) are fixedly connected to the surface of the rectangular block (710).

6. An otolaryngological examination auxiliary device according to claim 5, characterized in that: The free end of the cross bar (711) is longitudinally limited and slidably connected to the inner wall of the housing (2), and the free end of the extension rod (713) is fixedly connected to a magnetic attraction block 2 (714) that attracts the magnetic attraction block 1 (78).

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