Multifunctional ear canal examination device

Abstract

The application discloses an ear canal multifunctional examination device, and belongs to the technical field of ear canal examination devices. The ear canal multifunctional examination device comprises a mounting main frame, a moving device and a positioning device arranged on the mounting main frame, a protection device and a detection device arranged on the moving device, a moving top cover arranged on the moving device, a cavity formed in the inside of the moving top cover, a positioning groove formed in the bottom wall surface of the moving top cover, four groups of sealing sleeves fixedly installed in the cavity of the moving top cover and distributed in an equal circular arc state, and four groups of air pipe joints sealingly connected to the wall surfaces away from the four groups of sealing sleeves. The protection device can position the head of a patient, so that the risk of ear injury caused by shaking of the patient during detection can be avoided, and the safety is improved. The distance between the four groups of positioning clamping blocks can be controlled, so that heads with various outer diameters can be clamped, and the application range is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of ear canal inspection devices, and in particular to a multifunctional ear canal inspection device. Background Art

[0002] When performing an ear canal examination, ear canal detection equipment will be used to determine whether the ear canal is healthy.

[0003] A search of publication number CN219374599U discloses an ear canal inspection device, including an endoscope rod body, an endoscope lens and a plurality of light sources are respectively provided at the middle and periphery of the front end of the endoscope rod body, a connector is coaxially provided at the rear end of the endoscope rod body, and the outer end of the connector is electrically connected to a cable; the endoscope rod body is coaxially and detachably installed with a limit component for limiting the depth of the front end of the endoscope rod body probing into the ear canal.

[0004] During actual ear canal inspection, the endoscope rod needs to be inserted into the inside of the ear canal for observation. During this process, the patient needs to remain still to cooperate with the doctor's inspection. However, during the inspection, there is an inevitable risk of head shaking. In addition, there are many types of patients to be inspected, and some patients cannot remain still, which will cause trouble to the inspection. If the inspection operation is still carried out, there is a risk of ear injury to the patient. The above-mentioned public technology does not have a structure for positioning the head. If the patient's head cannot be still, or shakes during the inspection, there is obviously a risk of injury, and the safety is low.

[0005] Based on this, the present invention designs a multifunctional ear canal inspection device to solve the above problems. Summary of the Invention

[0006] In view of the above-mentioned shortcomings of the prior art, the present invention provides a multifunctional ear canal inspection device.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A multifunctional ear canal inspection device comprises a mounting main frame; a moving device and a positioning device arranged on the mounting main frame; a protective device and a detection device arranged on the moving device, the protective device comprising a moving top cover arranged on the moving device, a cavity being provided inside the moving top cover, and a positioning groove being provided on the bottom wall of the moving top cover; four groups of sealing sleeves fixedly mounted inside the cavity of the moving top cover and distributed in an equicircular arc state; four groups of air pipe joints sealedly connected to the four groups of sealing sleeves on the wall away from each other, and in actual operation, the four groups of air pipe joints are connected to air guide tubes, and the four groups of air guide tubes are connected to an air pump; sealing pistons slidably mounted inside the four groups of sealing sleeves; mobile push rods fixedly mounted on the wall close to each other, and the outer walls of the four groups of mobile push rods All of them are movable through the inner wall of the corresponding movable top cover cavity, and the four groups of movable push rods are all slidably connected to the movable top cover; the reset springs are fixedly installed on the four groups of sealing pistons and the same group of sealing sleeves on the wall surface close to each other, and the four groups of movable push rods are movable through the inside of the same group of reset springs, and the four groups of movable push rods are all slidably connected to the same group of reset springs; the positioning clamps are fixedly installed on the four groups of movable push rods on the wall surface close to each other, and the four groups of positioning clamps are all located inside the positioning grooves, and the four groups of positioning clamps are all arc blocks. The four groups of positioning clamps are all provided with pressure sensors. When the pressure sensor reaches a predetermined pressure, the air pump can stop supplying air, thereby controlling the position of the four groups of positioning clamps. By changing the relative positions between the four groups of positioning clamps, heads of various outer diameters can be clamped, thereby improving the scope of application.

[0009] Furthermore, the moving device includes an electric circular guide rail fixedly mounted on the top wall of the moving top cover; a mounting plate fixedly mounted on the sliding end of the electric circular guide rail; an electric linear guide rail fixedly mounted on the front wall of the mounting main frame, and the moving top cover is fixedly mounted on the sliding end of the electric linear guide rail; and a distance adjustment mechanism arranged on the mounting plate, the distance adjustment mechanism includes a cylinder fixedly mounted on the left wall of the mounting plate; a connecting plate 1 fixedly mounted on the right wall of the mounting plate; a connecting slide fixedly mounted on the telescopic end of the cylinder, and the bottom wall of the connecting plate 1 is provided with a connecting groove that is slidably connected to the connecting slide rail.

[0010] Furthermore, the detection device includes a detection mechanism 1 arranged on the connecting slide; and a detection mechanism 2 arranged on the detection mechanism 1, the detection mechanism 1 includes a mounting cylinder fixedly mounted on the top wall of the connecting slide; a threaded sleeve rotatably mounted on the left wall of the mounting cylinder cavity; a reciprocating screw threadedly connected to the inside of the threaded sleeve; a limit plate fixedly mounted on the right wall of the reciprocating screw; two sets of limit rods fixedly mounted inside the mounting cylinder, both sets of limit rods are movable through the left and right walls of the limit plate, and both sets of limit rods are slidingly connected to the limit plate; a micro motor fixedly mounted on the left wall of the mounting cylinder, and the output end of the micro motor is fixedly connected to the threaded sleeve; and a detection component arranged on the right wall of the limit plate.

[0011] Furthermore, the second detection mechanism includes a detection cover fixedly mounted on the right side wall of the mounting tube; a speaker and protective cotton fixedly mounted inside the detection cover, the speaker is located on the inner side of the protective cotton, and a connecting groove is provided on the left side wall of the detection cover, and the detection component can pass through the inside of the connecting groove.

[0012] Furthermore, the detection component includes a detection rod and an air cylinder fixedly installed on the right side wall of the limit plate, and an air hole is opened on the right end face of the air cylinder away from the detection rod; and an air pipe three is sealed and connected to the outer wall of the air cylinder.

[0013] Furthermore, the detection rod is located inside the air cylinder, the outer wall of the detection rod extends to the right side of the air cylinder, the outer wall of the air supply pipe three extends to the outside of the mounting cylinder, and the outer wall of the mounting cylinder is sealed and connected to the air supply pipe two.

[0014] Furthermore, the detection component also includes a connecting plate 2 fixedly installed on the right side wall of the detection rod; a connecting rod fixedly installed on the right side wall of the connecting plate 2, and the right side end of the connecting rod is spherical; a detection probe movably installed on the right side outer wall of the connecting rod by means of a spherical hinge; a plurality of air bags fixedly installed on the wall close to the detection probe and the connecting plate 2; and an air supply pipe 1 sealed and connected to the outer walls of the plurality of air bags.

[0015] Furthermore, the plurality of air bags are distributed in an equal arc state, the plurality of air supply pipes are all located inside the detection rod, and the plurality of air supply pipes are all extended to the outside of the installation tube away from the outer wall of the detection rod.

[0016] Furthermore, the positioning device includes two sets of fixing plates fixedly mounted on the rear side wall of the mounting main frame; a positioning plate slidably connected to the rear side wall of the mounting main frame; and a threaded column threadedly connected to the top wall of the upper fixing plate.

[0017] Furthermore, the positioning plate is located between the two sets of fixed plates, the threaded column is rotatably connected to the top wall of the positioning plate, and the walls close to the positioning plate and the lower fixed plate are provided with clamping grooves, the walls corresponding to the two sets of clamping grooves are serrated, and the two sets of clamping grooves are rectangular.

[0018] Compared with the prior art, the present invention has the following beneficial effects: 1. By setting a protective device, the patient's head can be positioned, which can avoid the risk of ear injury caused by shaking during the test, thereby improving safety. By controlling the distance between the four groups of positioning clamps, heads of various outer diameters can be clamped, thereby increasing the scope of application.

[0019] 2. By setting up a moving device, the height of the movable top cover can be controlled, and clamping at various heights can be achieved. The detection component is pushed forward mechanically to avoid the risk of damage to the ear canal caused by shaking during hand-held inspection. By setting up detection mechanism one and detection mechanism two, the patient can be observed and tested at the same time, which increases functionality and facilitates inspection.

[0020] 3. By setting a positioning device, the positioning and installation of the device are facilitated. By setting a detection component, debris or earwax inside the ear canal can be discharged. At the same time, the angle of the detection probe can be changed to avoid obstruction of the curved part of the ear canal, thereby improving the detection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive effort.

[0022] Figure 1 It is a left perspective view of the present invention as a whole;

[0023] Figure 2 A front view of the present invention as a whole;

[0024] Figure 3 It is a right perspective view of the present invention as a whole;

[0025] Figure 4 A sectional perspective view of the movable top cover of the present invention;

[0026] Figure 5 for Figure 4 Enlarged view of location A;

[0027] Figure 6 It is a left side view of the present invention as a whole;

[0028] Figure 7 A perspective view of the mounting tube of the present invention;

[0029] Figure 8 A sectional perspective view of the mounting tube of the present invention;

[0030] Figure 9 A perspective view of the detection assembly of the present invention;

[0031] Figure 10 for Figure 9 Enlarged view of location B;

[0032] Figure 11 It is a three-dimensional view of an air blower of the present invention.

[0033] The numbers in the figure represent:

[0034] 1. Install the main frame; 2. Move the device; 21. Distance adjustment mechanism; 211. Cylinder; 212. Connecting slide; 213. Connecting slide; 214. Connecting plate 1; 22. Electric circular guide; 23. Mounting plate; 24. Electric linear guide; 3. Protective device; 31. Move the top cover; 32. Sealing sleeve; 33. Air pipe joint; 34. Sealing piston; 35. Move the push rod; 36. Return spring; 37. Positioning clamp; 4. Detection device; 41. Detection mechanism 1; 411. Mounting cylinder; 412. Threaded sleeve; 413. Reciprocating screw ; 414. Micro motor; 415. Limit plate; 416. Limit rod; 417. Detection component; 4171. Detection rod; 4172. Connecting plate 2; 4173. Connecting rod; 4174. Airbag; 4175. Detection probe; 4176. Gas pipe 1; 4177. Blow cylinder; 4178. Gas pipe 2; 4179. Gas pipe 3; 42. Detection mechanism 2; 421. Detection cover; 422. Speaker; 423. Protective cotton; 424. Connecting slot; 5. Positioning device; 51. Fixing plate; 52. Positioning plate; 53. Threaded column. DETAILED DESCRIPTION

[0035] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings 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 making any creative efforts shall fall within the scope of protection of the present invention.

[0036] The terms “left,” “right,” “front,” “back,” “up,” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0037] The present invention will be further described below with reference to the embodiments.

[0038] Example 1: Please refer to the accompanying drawings of the specification Figure 1 - Figure 4The utility model provides a kind of ear canal multifunctional inspection device, including installation main frame 1;And setting mobile device 2 and positioning device 5 on installation main frame 1;Setting protective device 3 and detection device 4 on mobile device 2, protective device 3 includes setting mobile top cover 31 on mobile device 2, the inside of mobile top cover 31 is provided with cavity, and the bottom wall surface of mobile top cover 31 is provided with positioning slot;Four groups of sealing sleeves 32 are fixedly installed in the inside of the cavity of mobile top cover 31 and are distributed in equal circular arc state;Four groups of air pipe joints 33 are sealingly connected on the wall surface of four groups of sealing sleeves 32 far away, in actual work, four groups of air pipe joints 33 are connected with air pipe, and four groups of air pipe are connected on air pump;Sealing piston 34 is slidably installed in the inside of four groups of sealing sleeves 32;Mobile push rod 35 is fixedly installed on the wall surface of four groups of sealing pistons 34 close to, the outer wall of four groups of mobile push rods 35 is all movably penetrated through the inner wall of the cavity of corresponding mobile top cover 31, and four groups of mobile push rods 35 are slidably connected with mobile top cover 31;Reset spring 36 is fixedly installed on the wall surface of four groups of sealing pistons 34 and same group sealing sleeve 32 close to, four groups of mobile push rods 35 are all movably penetrated through the inside of same group reset spring 36, and four groups of mobile push rods 35 are slidably connected with same group reset spring 36;Positioning clamp block 37 is fixedly installed on the wall surface of four groups of mobile push rods 35 close to, four groups of positioning clamp block 37 are all located in the inside of positioning slot, four groups of positioning clamp block 37 are all arc blocks, and pressure sensor is arranged on four groups of positioning clamp block 37, when the pressure sensor reaches predetermined pressure, air pump can stop air supply, so as to control the position of four groups of positioning clamp block 37, the head of multiple outer diameters can be clamped by changing the relative position between four groups of positioning clamp block 37, improve the scope of application.

[0039] In specific use, the product is fixedly installed at the place required to be used by positioning device 5, the positioning slot at the bottom of mobile top cover 31 is sleeved on the outside of the head of the patient, and the ear canal part is exposed outside, air pump is used to supply air to air pipe joint 33, as the increase of gas, the pressure in the inside of sealing sleeve 32 increases, and the air pressure pushes sealing piston 34 to move towards mobile push rod 35, reset spring 36 is compressed, and mobile push rod 35 moves towards the position of the center of mobile top cover 31 with positioning clamp block 37, four groups of positioning clamp block 37 are close to each other to clamp the head of the patient, the risk of ear injury caused by shaking of the patient during detection can be avoided, the safety is improved, and the relative position of four groups of positioning clamp block 37 can be controlled to clamp the head of multiple outer diameters, the scope of application is increased, and the practicability is improved.

[0040] Example two: on the basis of example one, please refer to the drawing of the specification Figure 1 、 Figure 2 、 Figure 3 Figure 4 、 Figure 7 And Figure 8The moving device 2 includes an electric circular guide rail 22 fixedly mounted on the top wall of the moving top cover 31; a mounting plate 23 fixedly mounted on the sliding end of the electric circular guide rail 22; an electric linear guide rail 24 fixedly mounted on the front wall of the mounting main frame 1, and the moving top cover 31 is fixedly mounted on the sliding end of the electric linear guide rail 24; and a distance adjustment mechanism 21 arranged on the mounting plate 23.

[0041] The distance adjustment mechanism 21 includes a cylinder 211 fixedly mounted on the left side wall of the mounting plate 23; a connecting plate 214 fixedly mounted on the right side wall of the mounting plate 23; and a connecting slide 212 fixedly mounted on the telescopic end of the cylinder 211. The bottom wall of the connecting plate 214 is provided with a connecting groove 213 that is slidably connected to the connecting slide 212.

[0042] The detection device 4 includes a detection mechanism 1 41 disposed on the connecting slide 212 ; and a detection mechanism 2 42 disposed on the detection mechanism 1 41 .

[0043] The detection mechanism 41 includes a mounting tube 411 fixedly mounted on the top wall of the connecting slide 212; a threaded sleeve 412 rotatably mounted on the left wall of the cavity of the mounting tube 411; a reciprocating screw 413 threadedly connected to the inside of the threaded sleeve 412; a limit plate 415 fixedly mounted on the right wall of the reciprocating screw 413; two groups of limit rods 416 fixedly mounted on the inside of the mounting tube 411, both groups of limit rods 416 are movable through the left and right walls of the limit plate 415, and both groups of limit rods 416 are slidably connected to the limit plate 415; a micro motor 414 fixedly mounted on the left wall of the mounting tube 411, and the output end of the micro motor 414 is fixedly connected to the threaded sleeve 412; and a detection component 417 arranged on the right wall of the limit plate 415.

[0044] The second detection mechanism 42 includes a detection cover 421 fixedly installed on the right side wall of the mounting tube 411; a speaker 422 and protective cotton 423 fixedly installed inside the detection cover 421, the speaker 422 is located on the inner side of the protective cotton 423, and a connecting groove 424 is provided on the left side wall of the detection cover 421, and the detection component 417 can pass through the inside of the connecting groove 424.

[0045] When the present invention is used, the position of the mounting plate 23 can be changed by the electric circular guide 22. After the detection of one ear is completed, the mounting plate 23 can be rotated 180 degrees by the electric circular guide 22, and then the other ear can be detected. No manual operation is required, which is convenient to use. The height of the movable top cover 31 can be changed by the electric linear guide 24, which can adapt to people of various heights and improve the scope of application. When performing the detection, the telescopic end of the cylinder 211 can be extended, and the connecting slide 212 can be moved to the right along the inside of the connecting slide 213. The mounting tube 411 moves with the detection cover 421 toward the ear until the right wall of the detection cover 421 fits the patient's face. Then it is driven by the micro motor 414, and its output end rotates forward with the threaded sleeve 412, and the limit rod 416 is engaged. Under the limit, the reciprocating screw 413 moves to the right with the detection component 417 and the limit plate 415, and the detection component 417 can move to the inside of the ear canal to observe the inside of the ear. After the observation is completed, the micro motor 414 is driven to reverse the threaded sleeve 412, and the detection component 417 moves to the left until it returns to its original position. Then, the speaker 422 plays sounds of multiple frequencies to perform a hearing test on the patient. This method of performing observation and hearing tests at the same time not only facilitates the detection operation, but also increases the functionality of the device. At the same time, when performing endoscopic observation, the detection cover 421 can block the external light source to avoid cross-interference between the two groups of light sources and improve the observation effect. In addition, the mechanical propulsion method can avoid the risk of damage to the ear canal caused by shaking during hand-held inspection.

[0046] Example 3: Based on Example 1 and Example 2, please refer to the accompanying drawings of the specification. Figure 1 、 Figure 6 、 Figure 8 、 Figure 9 、 Figure 10 and Figure 11 The detection component 417 includes a detection rod 4171 and an air cylinder 4177 fixedly mounted on the right side wall of the limit plate 415. The detection rod 4171 is located inside the air cylinder 4177, and the outer wall of the detection rod 4171 extends to the right side of the air cylinder 4177. A blowing hole is provided on the right end face of the air cylinder 4177 away from the detection rod 4171; an air supply pipe 3 4179 is sealedly connected to the outer wall of the air cylinder 4177, and the outer wall of the air supply pipe 3 4179 extends to the outside of the mounting tube 411. The outer wall of the mounting tube 411 is sealedly connected to the air supply pipe 2 4178. Both the air supply pipe 3 4179 and the air supply pipe 2 4178 are provided with air pumps for supplying air to them, and the air supply pipe 3 4179 and the air supply pipe 2 4178 have sufficient margins inside the mounting tube 411.

[0047] The detection assembly 417 also includes a connecting plate 2 4172 fixedly mounted on the right side wall of the detection rod 4171; a connecting rod 4173 fixedly mounted on the right side wall of the connecting plate 2 4172, the right end of the connecting rod 4173 being spherical; a detection probe 4175 movably mounted on the right outer wall of the connecting rod 4173 by means of a spherical hinge; a plurality of air bags 4174 fixedly mounted on the wall close to the detection probe 4175 and the connecting plate 2 4172, the plurality of air bags 4174 being distributed in an equicircular arc state; an air pipe 1 4176 sealed and connected to the outer wall of the plurality of air bags 4174, the plurality of air pipes 4176 being all located inside the detection rod 4171, and the plurality of air pipes 4176 extending away from the outer wall of the detection rod 4171 to the outside of the mounting tube 411, the plurality of air pipes 4176 being provided with an air pump and an electromagnetic valve, and the plurality of air pipes 4176 being all made of elastic material.

[0048] The positioning device 5 includes two groups of fixing plates 51 fixedly mounted on the rear side wall of the main mounting frame 1; a positioning plate 52 slidably connected to the rear side wall of the main mounting frame 1, and the positioning plate 52 is located between the two groups of fixing plates 51; a threaded column 53 threadedly connected to the top wall of the upper fixing plate 51, and the threaded column 53 is rotatably connected to the top wall of the positioning plate 52. The wall surfaces adjacent to the positioning plate 52 and the lower fixing plate 51 are provided with clamping grooves, and the wall surfaces corresponding to the two groups of clamping grooves are serrated, and the two groups of clamping grooves are rectangular. The shape of the clamping groove can be changed according to the shape of the required installation position, such as a circular railing, and the positioning device 5 of this scheme can also be changed according to the specific positioning position, such as a wall. The positioning device 5 can be replaced with a steel plate with positioning holes, and fixed with bolts or expansion screws.

[0049] When the present invention is in use, the two sets of clamping grooves can be clamped on the outside of the rectangular object, and the threaded column 53 can be rotated forward to move the positioning plate 52 downward and close to the lower fixing plate 51 until the positioning plate 52 and the lower fixing plate 51 clamp the object. The operation is simple and convenient, and it is easy to use. When the limit plate 415 moves to the right, the air cylinder 4177 and the detection rod 4171 move to the right to the inside of the ear. The air pump can be used to supply air to the inside of the air supply pipe 3 4179, and the air will be discharged from the inside of the air cylinder 4177 through the air hole. The air can blow away earwax or debris on the inner wall of the ear canal. At the same time, the air pump is used to evacuate the air supply pipe 2 4178, so that the air inside the ear canal passes through the connecting groove 424 and enters the inside of the mounting cylinder 411. , and finally discharged through the air supply tube 2 4178. The gas can expel the debris or earwax blown away from the inner wall of the ear canal, avoiding the earwax or debris from affecting the observation, thereby improving the detection effect. At the same time, when the detection probe 4175 moves to the position of the ear canal close to the eardrum, the air pump can be controlled to supply air to one or more air supply tubes 1 4176 on the upper side, and the corresponding one or more air bags 4174 begin to inflate and increase in volume, so that the right end of the detection probe 4175 rotates downward, which can change the angle between the detection probe 4175 and the detection rod 4171, and make the angle between the detection probe 4175 and the detection rod 4171 the same as the angle of the curved part of the ear canal, thereby avoiding the obstruction of the curved part of the ear canal and improving the observation and detection effect.

[0050] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A multifunctional ear canal inspection device, comprising a mounting main frame (1), characterized in that: It also includes a moving device (2) and a positioning device (5) arranged on the mounting main frame (1); a protective device (3) and a detection device (4) arranged on the moving device (2); The protective device (3) comprises a movable top cover (31) arranged on the movable device (2), wherein a cavity is provided inside the movable top cover (31); four groups of sealing sleeves (32) fixedly mounted inside the cavity of the movable top cover (31) and distributed in an equicircular arc state; four groups of air pipe joints (33) sealedly connected to the wall surfaces away from the four groups of sealing sleeves (32); sealing pistons (34) slidably mounted inside the four groups of sealing sleeves (32); movable push rods (35) fixedly mounted on the wall surfaces close to the four groups of sealing pistons (34); return springs (36) fixedly mounted on the wall surfaces close to the four groups of sealing pistons (34) and the same group of sealing sleeves (32); and positioning clamps (37) fixedly mounted on the wall surfaces close to the four groups of moving push rods (35); The bottom wall of the movable top cover (31) is provided with a positioning groove, the outer walls of the four groups of movable push rods (35) are movable through the inner wall of the corresponding movable top cover (31) cavity, the four groups of movable push rods (35) are slidably connected to the movable top cover (31), the four groups of movable push rods (35) are movable through the inside of the same group of return springs (36), the four groups of movable push rods (35) are slidably connected to the same group of return springs (36), and the four groups of positioning clamps (37) are located inside the positioning groove; The moving device (2) includes an electric circular guide rail (22) fixedly mounted on the top wall of the moving top cover (31); a mounting plate (23) fixedly mounted on the sliding end of the electric circular guide rail (22); an electric linear guide rail (24) fixedly mounted on the front side wall of the mounting main frame (1), and the moving top cover (31) is fixedly mounted on the sliding end of the electric linear guide rail (24); and a distance adjustment mechanism (21) arranged on the mounting plate (23), the distance adjustment mechanism (21) including a cylinder (211) fixedly mounted on the left side wall of the mounting plate (23); a connecting plate 1 (214) fixedly mounted on the right side wall of the mounting plate (23); and a connecting slide plate (212) fixedly mounted on the telescopic end of the cylinder (211), wherein the bottom wall of the connecting plate 1 (214) is provided with a connecting groove (213) for sliding connection with the connecting slide plate (212).

2. The multifunctional ear canal inspection device according to claim 1, characterized in that: The detection device (4) includes a detection mechanism (41) disposed on a connecting slide (212); and a detection mechanism (42) disposed on the detection mechanism (41), wherein the detection mechanism (41) includes a mounting tube (411) fixedly mounted on the top wall of the connecting slide (212); a threaded sleeve (412) rotatably mounted on the left wall of the cavity of the mounting tube (411); a reciprocating screw (413) threadedly connected to the inside of the threaded sleeve (412); and a reciprocating screw (413) fixedly mounted on the right wall of the reciprocating screw (413). a limit plate (415) on the mounting tube (411); two sets of limit rods (416) fixedly mounted inside the mounting tube (411), both sets of limit rods (416) movably passing through the left and right walls of the limit plate (415), and both sets of limit rods (416) are slidably connected to the limit plate (415); a micro motor (414) fixedly mounted on the left wall of the mounting tube (411), the output end of the micro motor (414) being fixedly connected to the threaded sleeve (412); and a detection assembly (417) disposed on the right wall of the limit plate (415).

3. The multifunctional ear canal inspection device according to claim 2, characterized in that: The second detection mechanism (42) includes a detection cover (421) fixedly mounted on the right side wall of the mounting tube (411); a speaker (422) and a protective cotton (423) fixedly mounted inside the detection cover (421), the speaker (422) being located inside the protective cotton (423), and a connecting slot (424) being provided on the left side wall of the detection cover (421), through which the detection assembly (417) can pass.

4. The multifunctional ear canal inspection device according to claim 2, characterized in that: The detection assembly (417) comprises a detection rod (4171) fixedly mounted on the right side wall of the limiting plate (415) and an air blower (4177), wherein an air blow hole is provided on the right side end face of the air blower (4177) away from the detection rod (4171); and an air delivery pipe (4179) sealedly connected to the outer wall of the air blower (4177).

5. The multifunctional ear canal inspection device according to claim 4, characterized in that: The detection rod (4171) is located inside the air cylinder (4177), and the outer wall of the detection rod (4171) extends to the right side of the air cylinder (4177). The outer wall of the third air supply pipe (4179) extends to the outside of the installation cylinder (411), and the outer wall of the installation cylinder (411) is sealed with the second air supply pipe (4178).

6. The multifunctional ear canal inspection device according to claim 4, characterized in that: The detection assembly (417) further includes a second connecting plate (4172) fixedly mounted on the right side wall of the detection rod (4171); a connecting rod (4173) fixedly mounted on the right side wall of the second connecting plate (4172), the right end of the connecting rod (4173) being spherical; a detection probe (4175) movably mounted on the right side outer wall of the connecting rod (4173) by means of a spherical hinge; a plurality of air bags (4174) fixedly mounted on the wall adjacent to the detection probe (4175) and the second connecting plate (4172); and a first air delivery pipe (4176) sealedly connected to the outer walls of the plurality of air bags (4174).

7. The multifunctional ear canal inspection device according to claim 6, characterized in that: The plurality of air bags (4174) are distributed in an equicircular arc state, the plurality of air supply pipes (4176) are all located inside the detection rod (4171), and the plurality of air supply pipes (4176) extend away from the outer wall of the detection rod (4171) to the outside of the mounting tube (411).

8. The multifunctional ear canal inspection device according to claim 1, characterized in that: The positioning device (5) comprises two sets of fixing plates (51) fixedly mounted on the rear side wall of the mounting main frame (1); a positioning plate (52) slidably connected to the rear side wall of the mounting main frame (1); and a threaded column (53) threadedly connected to the top wall of the upper fixing plate (51).

9. The multifunctional ear canal inspection device according to claim 8, characterized in that: The positioning plate (52) is located between the two sets of fixing plates (51), and the threaded column (53) is rotatably connected to the top wall of the positioning plate (52). The adjacent walls of the positioning plate (52) and the lower fixing plate (51) are both provided with clamping grooves.

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