CN107981868B - Hearing test equipment is used in physical examination of otolaryngology branch of academic or vocational study - Google Patents
Hearing test equipment is used in physical examination of otolaryngology branch of academic or vocational study Download PDFInfo
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- CN107981868B CN107981868B CN201711439811.1A CN201711439811A CN107981868B CN 107981868 B CN107981868 B CN 107981868B CN 201711439811 A CN201711439811 A CN 201711439811A CN 107981868 B CN107981868 B CN 107981868B
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Abstract
The invention relates to a test device, in particular to a hearing test device for physical examination in an otolaryngological department. The technical problem to be solved by the invention is to provide the hearing test equipment for the physical examination of the otolaryngological department, which has adjustable test difficulty and high test accuracy. The invention provides hearing test equipment for physical examination of an otolaryngological department, which comprises a box body and the like; the landing leg is all installed to the bottom four corners department of box, and the even interval in box upper portion has four first openings, and the middle part is connected with the diaphragm in the box, and the lower part is equipped with drive arrangement in the box, is equipped with rotating device on the diaphragm, and drive arrangement and rotating device cooperation are equipped with the installation pole in rotating device's the rotatable parts. According to the invention, the driving device drives the rotating device and the interference device to operate, so that a tester listens to the sound played by the loudspeaker, the test difficulty is improved, and the baffle covers the first opening, so that the effects of adjustable test difficulty and high accuracy are achieved according to the adjustment difficulty of the tester.
Description
Technical Field
The invention relates to a test device, in particular to a hearing test device for physical examination in an otolaryngological department.
Background
An "otorhinolaryngological" family is a surgical family that diagnoses and treats the ear, nose, pharynx, larynx, and their associated head and neck regions. With the progress and development of science and technology, medical departments mutually permeate and promote, and the scope of the otolaryngological department, the ear microsurgery, the ear neurosurgery, the lateral craniofacial department, the audiology and balance science, the nose endoscopic surgery, the nose neurosurgery (the nose craniofacial department), the head and neck surgery, the throat microsurgery, the voice and speech disease department, the otorhinolaryngological department of children and the like are expanded, and the content of the otolaryngological department is greatly enriched.
Hearing refers to the ability of the auditory organ to activate and receive speech information. The effectiveness of the ability exercise generally depends on whether the listening is attentive. In addition, the hearing is also one item of an English examination, and the ability of the examinee to listen to the language is considered.
During the physical examination, hearing is one of them test item, and the current hearing test equipment degree of difficulty is unadjustable, and then influences the degree of accuracy of test, therefore needs urgent need to develop a test degree of difficulty adjustable, hearing test equipment for otolaryngology branch of academic or vocational study physical examination that test accuracy is high.
Disclosure of Invention
(1) Technical problem to be solved
In order to overcome the defects that the difficulty of the existing hearing test equipment is not adjustable, and the test accuracy is further influenced, the technical problem to be solved by the invention is to provide the hearing test equipment for the otolaryngological examination, which is adjustable in test difficulty and high in test accuracy.
(2) Technical scheme
In order to solve the technical problem, the hearing test equipment for the examination of the otolaryngological department comprises a box body, supporting legs, a transverse plate, a driving device, a rotating device, an installation rod and a loudspeaker, wherein the supporting legs are installed at four corners of the bottom of the box body, four first openings are uniformly formed in the upper portion of the box body at intervals, the transverse plate is connected to the middle portion of the inside of the box body, the driving device is arranged at the lower portion of the inside of the box body, the rotating device is arranged on the transverse plate and matched with the rotating device, the installation rod is arranged in a rotating part of the rotating device, and the bottom of the installation rod is.
Preferably, the driving device comprises a motor, a first rotating shaft, a supporting rod and a first bearing seat, the motor is installed on the lower portion of the inner right side of the box body, an output shaft of the motor is connected with the first rotating shaft, the supporting rod is connected to the right side of the inner bottom of the box body, the first bearing seat is installed on the top of the supporting rod, and the first rotating shaft is in interference connection with a bearing in the first bearing seat.
Preferably, the rotating device comprises a second bearing seat, a second rotating shaft, a worm wheel, a worm, an annular sliding rail, a first sliding block and a frame body, the second bearing seat is installed in the middle of the transverse plate in an embedded mode, a bearing in the second bearing seat is connected with the second rotating shaft in an interference mode, the bottom of the second rotating shaft is connected with the worm wheel, the left end of the first rotating shaft is connected with the worm, the worm is meshed with the worm wheel, the annular sliding rail is installed at the top of the transverse plate, a first sliding block is arranged on the annular sliding rail and is in sliding fit with the annular sliding rail, the top of the first sliding block is connected with the frame body, the top of the first rotating shaft is connected with the middle of the bottom of the frame body, a second opening is formed in the middle of the.
Preferably, the bell box further comprises an interference device, the interference device comprises a first gear, a third bearing seat, a third rotating shaft, a second gear, a first bevel gear, a fourth bearing seat, a fourth rotating shaft, a second bevel gear, a first spring, steel balls, L-shaped rods, a pull wire and bell bells, the first gear is connected to the left portion of the first rotating shaft, the third bearing seat is installed on the lower portion of the right side of the box in an embedded mode, the third rotating shaft is connected to a bearing in the third bearing seat in an interference mode, the second gear is connected to the left end of the third rotating shaft in a meshed mode, the second gear is meshed with the first gear, the first bevel gear is connected to the right end of the third rotating shaft, the fourth bearing seat is installed in the middle of the right side of the box in an interference mode, the fourth rotating shaft is connected to a bearing in the fourth bearing seat in an interference mode, the second bevel gear is connected to the bottom of the fourth rotating shaft, the first bevel gear is meshed with the bell gear, the top of the fourth rotating shaft is connected to the first spring, the tail end of the first spring is connected to the steel balls, the right.
Preferably, the loudspeaker box further comprises a swinging device, the swinging device comprises a cam, a guide rod, a roller, a second spring and a third spring, the cam is connected to the middle of the top in the box body, a guide hole is formed in the left side of the top of the box body, the guide rod is arranged in the guide hole and matched with the guide hole, the roller is installed at the top of the guide rod and is in contact with the cam, the second spring is connected between the roller and the box body, the third spring is connected to the bottom of the guide rod, and the bottom end of the third spring is connected with the upper left portion.
Preferably, the rotating shaft further comprises a sleeve and a screw rod, the sleeve is sleeved on the upper portion of the fourth rotating shaft and is in sliding fit with the fourth rotating shaft, a threaded hole is formed in the middle of the right side of the sleeve, the screw rod is arranged in the threaded hole, and the screw rod is matched with the threaded hole.
Preferably, still including second slider and baffle, the box outside that is located four first openings tops all opens there is the spout, is equipped with the second slider in the spout, second slider and spout cooperation, and the outside of second slider is connected with the baffle, baffle and first opening cooperation.
The working principle is as follows: when the device is used, a tester stands at a position away from the device at a certain distance, an operator starts the driving device, the driving device drives the rotating device to operate, the rotating device drives the mounting rod and the loudspeaker to rotate, the loudspeaker is started to play sound at the moment, the tester speaks the content according to the sound played by the loudspeaker, and the sound heard by the tester is ignored because the rotating device drives the loudspeaker to rotate, so that the testing difficulty is improved, and the testing result is more accurate. And after the test is finished, the horn and the driving device are closed.
Because drive arrangement is including motor, first pivot, branch and first bearing frame, and the motor is installed to the right side lower part in the box, and the output shaft of motor has first pivot, and the bottom right side is connected with branch in the box, and first bearing frame is installed at the top of branch, and first pivot is connected with the bearing interference in the first bearing frame. Therefore, the motor is started, the motor rotates to drive the first rotating shaft to rotate, so that the rotating device is driven to operate, and after the operation is finished, the motor is turned off.
Because rotating device is including the second bearing frame, the second pivot, the worm wheel, the worm, annular slide rail, first slider and framework, the embedded second bearing frame of installing in the middle part of diaphragm, the bearing interference in the second bearing frame is connected with the second pivot, the bottom of second pivot is connected with the worm wheel, the left end of first pivot is connected with the worm, worm and worm wheel meshing, annular slide rail is installed at the diaphragm top, be equipped with first slider on the annular slide rail, first slider and annular slide rail slidingtype cooperation, the top of first slider is connected with the framework, the top and the framework bottom intermediate junction of first pivot, open at the left side middle part of framework has the second opening, the second opening is corresponding with first opening, top intermediate junction in the top of installation pole and the framework. Therefore, first pivot is rotated and is driven the worm and rotate, thereby drive the rotation of second pivot through the worm wheel, and then drive the framework and rotate, first slider and annular slide rail play the guide effect, the framework drives installation pole and loudspeaker and rotates, when the second opening is changeed to corresponding with first opening, the sound that the tester listened is great, when the second opening is changeed away from first opening, the sound that the tester listened is less, so relapse, the sound that the tester listened is neglected little, make the test degree of difficulty improve, the test result is more accurate.
The left part of the first rotating shaft is connected with the first gear, the right lower part of the box body is provided with the third bearing seat in an embedded mode, a bearing in the third bearing seat is connected with the third rotating shaft in an interference mode, the left end of the third rotating shaft is connected with the second gear, the second gear is meshed with the first gear, the right end of the third rotating shaft is connected with the first bevel gear, the right middle part of the right side of the box body is provided with the fourth bearing seat, the bearing in the fourth rotating shaft is connected with the fourth rotating shaft in an interference mode, the bottom of the fourth rotating shaft is connected with the second bevel gear, the first bevel gear is meshed with the second bevel gear, the top of the fourth rotating shaft is connected with the first spring, the tail end of the first spring is connected with the fourth bearing seat, the right side of the top of the box body is connected with the L-type rod, the right end of the L-type rod is connected with the pull wire, the tail end of the pull wire is connected with the bell gear, the bell gear is meshed with the first bevel gear, the steel ball is arranged on the left side, the first rotating shaft and the first rotating shaft is matched with the bell gear, so that a person can drive the first rotating sound of the first rotating shaft to drive the third rotating shaft to rotate the first bevel gear, and then drive the third rotating shaft to drive the bell gear to rotate the bell gear to drive the bell gear to make the bell gear to drive the bell to make the bell gear.
Because still including pendulous device, pendulous device is including cam, guide arm, gyro wheel, second spring and third spring, and the top intermediate junction has the cam in the box, and open frame body top left has the guide hole, is equipped with the guide arm in the guide hole, and the guide arm cooperates with the guide hole, and the gyro wheel is installed at the top of guide arm, and the gyro wheel contacts with the cam, is connected with the second spring between gyro wheel and the frame body, and the bottom of guide arm is connected with the third spring, and the bottom of third spring is connected with the upper left portion of loudspeaker. Therefore, the frame body rotates and drives the roller to move through the guide rod, the roller rolls on the cam, and under the action of the second spring, the roller rolls on the cam to drive the guide rod to move up and down, so that the third spring drives the loudspeaker to swing up and down, the sound played by the loudspeaker is ignored, and the test difficulty is further improved.
Because still including sleeve and screw rod, the upper portion cover of fourth pivot has the sleeve, and sleeve and fourth pivot slidingtype cooperation, open threaded hole in the middle part of telescopic right side, threaded hole is equipped with the screw rod, screw rod and threaded hole cooperation. Therefore, when the bell does not need to make a sound, the screw rod is screwed out of the threaded hole, the sleeve is upwards slid, the first spring enters the sleeve, the screw rod is screwed into the threaded hole to be fixed, similarly, when the bell needs to make a sound, the screw rod is screwed out of the threaded hole, the sleeve is downwards slid, the first spring drives the steel balls to reset, the fourth rotating shaft can drive the steel balls to rotate through the first spring and knock the bell to make a sound, and therefore the testing difficulty can be adjusted according to a tester.
Because still including second slider and baffle, the box outside that is located four first openings tops all opens there is the spout, is equipped with the second slider in the spout, second slider and spout cooperation, and the outside of second slider is connected with the baffle, baffle and first opening cooperation. Therefore, when the baffle is pulled downwards, the baffle blocks the first opening, so that the sound played by the horn is resisted, the sound outside the transmission box body is reduced, when the baffle is pulled upwards, the baffle is moved away from the first opening, the sound played by the horn can be smoothly transmitted outside the box body, and the test difficulty can be adjusted according to a tester.
(3) Advantageous effects
According to the invention, the driving device drives the rotating device and the interference device to operate, so that a tester listens to the sound played by the loudspeaker, the sound is suddenly loud and suddenly small, the test difficulty is improved, the sleeve retracts or resets the first spring, and the baffle covers the first opening, so that the test difficulty is adjusted according to the test difficulty of the tester, and the effects of adjustable test difficulty and high accuracy are achieved.
Drawings
Fig. 1 is a schematic cross-sectional view of a first front view of the present invention.
Fig. 2 is a cross-sectional schematic view of a second front view of the present invention.
Fig. 3 is a schematic cross-sectional view of a third front view of the present invention.
Fig. 4 is a cross-sectional schematic view of a fourth front view of the present invention.
The numbers in the drawing are 1-box, 2-leg, 3-first opening, 4-horizontal plate, 5-driving device, 51-motor, 52-first rotating shaft, 53-support rod, 54-first bearing seat, 6-rotating device, 61-second bearing seat, 62-second rotating shaft, 63-worm gear, 64-worm, 65-circular sliding rail, 66-first sliding block, 67-frame, 68-second opening, 7-installation rod, 8-horn, 9-interference device, 901-first gear, 902-third bearing seat, 903-third rotating shaft, 904-second gear, 905-first bevel gear, 906-fourth bearing seat, 907-fourth rotating shaft, 908-second bevel gear, 909-first spring, 910-steel ball, 911-L type rod, 912-pull wire, 913-pan, 10-swinging device, 101-cam, 102-guide hole, 103-guide rod, 104-second spring, 105-second spring, 106-third spring, 911-12, 11-slide block, 13-slide groove, and 16-second slide groove.
Detailed Description
The invention is further described below with reference to the figures and examples.
Example 1
The utility model provides a hearing test equipment is used in physical examination of otolaryngology branch of academic or vocational study, as shown in fig. 1-4, including box 1, landing leg 2, diaphragm 4, drive arrangement 5, rotating device 6, installation pole 7 and loudspeaker 8, landing leg 2 is all installed to the bottom four corners department of box 1, the even spaced apart has four first openings 3 on 1 upper portion of box, the middle part is connected with diaphragm 4 in the box 1, the lower part is equipped with drive arrangement 5 in the box 1, be equipped with rotating device 6 on diaphragm 4, drive arrangement 5 and rotating device 6 cooperation, be equipped with installation pole 7 in rotating device 6's the rotating part, the bottom rotary type of installation pole 7 is connected with loudspeaker 8.
Example 2
The utility model provides a hearing test equipment is used in physical examination of otolaryngology branch of academic or vocational study, as shown in fig. 1-4, including box 1, landing leg 2, diaphragm 4, drive arrangement 5, rotating device 6, installation pole 7 and loudspeaker 8, landing leg 2 is all installed to the bottom four corners department of box 1, the even spaced apart has four first openings 3 on 1 upper portion of box, the middle part is connected with diaphragm 4 in the box 1, the lower part is equipped with drive arrangement 5 in the box 1, be equipped with rotating device 6 on diaphragm 4, drive arrangement 5 and rotating device 6 cooperation, be equipped with installation pole 7 in rotating device 6's the rotating part, the bottom rotary type of installation pole 7 is connected with loudspeaker 8.
The driving device 5 comprises a motor 51, a first rotating shaft 52, a support rod 53 and a first bearing seat 54, the motor 51 is installed on the lower portion of the right side in the box body 1, an output shaft of the motor 51 is connected with the first rotating shaft 52, the support rod 53 is connected on the right side of the bottom in the box body 1, the first bearing seat 54 is installed on the top of the support rod 53, and the first rotating shaft 52 is in interference connection with a bearing in the first bearing seat 54.
Example 3
The utility model provides a hearing test equipment is used in physical examination of otolaryngology branch of academic or vocational study, as shown in fig. 1-4, including box 1, landing leg 2, diaphragm 4, drive arrangement 5, rotating device 6, installation pole 7 and loudspeaker 8, landing leg 2 is all installed to the bottom four corners department of box 1, the even spaced apart has four first openings 3 on 1 upper portion of box, the middle part is connected with diaphragm 4 in the box 1, the lower part is equipped with drive arrangement 5 in the box 1, be equipped with rotating device 6 on diaphragm 4, drive arrangement 5 and rotating device 6 cooperation, be equipped with installation pole 7 in rotating device 6's the rotating part, the bottom rotary type of installation pole 7 is connected with loudspeaker 8.
The driving device 5 comprises a motor 51, a first rotating shaft 52, a support rod 53 and a first bearing seat 54, the motor 51 is installed on the lower portion of the right side in the box body 1, an output shaft of the motor 51 is connected with the first rotating shaft 52, the support rod 53 is connected on the right side of the bottom in the box body 1, the first bearing seat 54 is installed on the top of the support rod 53, and the first rotating shaft 52 is in interference connection with a bearing in the first bearing seat 54.
The rotating device 6 comprises a second bearing seat 61, a second rotating shaft 62, a worm wheel 63, a worm 64, an annular slide rail 65, a first slide block 66 and a frame body 67, the second bearing seat 61 is installed in the middle of the transverse plate 4 in an embedded mode, the second rotating shaft 62 is connected to a bearing in the second bearing seat 61 in an interference mode, the worm wheel 63 is connected to the bottom of the second rotating shaft 62, the worm 64 is connected to the left end of the first rotating shaft 52, the worm 64 is meshed with the worm wheel 63, the annular slide rail 65 is installed on the top of the transverse plate 4, the first slide block 66 is arranged on the annular slide rail 65, the first slide block 66 is in sliding fit with the annular slide rail 65, the frame body 67 is connected to the top of the first slide block 66, the top of the first rotating shaft 52 is connected to the middle of the bottom of the frame body 67, a second opening 68 is formed in the middle of.
Example 4
The utility model provides a hearing test equipment is used in physical examination of otolaryngology branch of academic or vocational study, as shown in fig. 1-4, including box 1, landing leg 2, diaphragm 4, drive arrangement 5, rotating device 6, installation pole 7 and loudspeaker 8, landing leg 2 is all installed to the bottom four corners department of box 1, the even spaced apart has four first openings 3 on 1 upper portion of box, the middle part is connected with diaphragm 4 in the box 1, the lower part is equipped with drive arrangement 5 in the box 1, be equipped with rotating device 6 on diaphragm 4, drive arrangement 5 and rotating device 6 cooperation, be equipped with installation pole 7 in rotating device 6's the rotating part, the bottom rotary type of installation pole 7 is connected with loudspeaker 8.
The driving device 5 comprises a motor 51, a first rotating shaft 52, a support rod 53 and a first bearing seat 54, the motor 51 is installed on the lower portion of the right side in the box body 1, an output shaft of the motor 51 is connected with the first rotating shaft 52, the support rod 53 is connected on the right side of the bottom in the box body 1, the first bearing seat 54 is installed on the top of the support rod 53, and the first rotating shaft 52 is in interference connection with a bearing in the first bearing seat 54.
The rotating device 6 comprises a second bearing seat 61, a second rotating shaft 62, a worm wheel 63, a worm 64, an annular slide rail 65, a first slide block 66 and a frame body 67, the second bearing seat 61 is installed in the middle of the transverse plate 4 in an embedded mode, the second rotating shaft 62 is connected to a bearing in the second bearing seat 61 in an interference mode, the worm wheel 63 is connected to the bottom of the second rotating shaft 62, the worm 64 is connected to the left end of the first rotating shaft 52, the worm 64 is meshed with the worm wheel 63, the annular slide rail 65 is installed on the top of the transverse plate 4, the first slide block 66 is arranged on the annular slide rail 65, the first slide block 66 is in sliding fit with the annular slide rail 65, the frame body 67 is connected to the top of the first slide block 66, the top of the first rotating shaft 52 is connected to the middle of the bottom of the frame body 67, a second opening 68 is formed in the middle of.
The interference device 9 comprises a first gear 901, a third bearing seat 902, a third rotating shaft 903, a second gear 904, a first bevel gear 905, a fourth bearing seat 906, a fourth rotating shaft 907, a second bevel gear 908, a first spring 909, steel balls 910, a L-shaped rod 911, a pull wire 912 and a bell 913, the first gear 901 is connected to the left part of the first rotating shaft 52, the third bearing seat 902 is embedded in the lower right part of the box body 1, the third rotating shaft 903 is connected to a bearing in the third bearing seat 902 in an interference manner, the second gear 904 is connected to the left end of the third rotating shaft 903, the second gear 904 is meshed with the first gear 901, the first bevel gear 905 is connected to the right end of the third rotating shaft 903, the fourth bearing seat 906 is installed in the middle right part of the box body 1, the fourth rotating shaft 907 is connected to the bearing in the interference manner, the second bevel gear 908 is connected to the bottom of the fourth rotating shaft 907, the first bevel gear 905 is meshed with the fourth rotating shaft 907, the top of the fourth rotating shaft 907 is connected with the first spring 909, the tail end of the first spring 909 is connected with the fourth bearing seat 909, the right end of the first spring is connected with the steel ball 910, the pull wire 910, the box body 912 is connected with the bell pole 912, the steel ball 910, the.
The loudspeaker box structure is characterized by further comprising a swinging device 10, wherein the swinging device 10 comprises a cam 101, a guide rod 103, a roller 104, a second spring 105 and a third spring 106, the cam 101 is connected to the middle of the top of the box body 1, a guide hole 102 is formed in the left side of the top of the frame body 67, the guide rod 103 is arranged in the guide hole 102, the guide rod 103 is matched with the guide hole 102, the roller 104 is installed at the top of the guide rod 103, the roller 104 is in contact with the cam 101, the second spring 105 is connected between the roller 104 and the frame body 67, the bottom of the guide rod 103 is connected with the third spring 106, and the bottom end of.
The novel spinning frame further comprises a sleeve 11 and a screw 13, the sleeve 11 is sleeved on the upper portion of the fourth rotating shaft 907, the sleeve 11 is in sliding fit with the fourth rotating shaft 907, a threaded hole 12 is formed in the middle of the right side of the sleeve 11, the screw 13 is arranged in the threaded hole 12, and the screw 13 is matched with the threaded hole 12.
Still including second slider 15 and baffle 16, the spout 14 has all been opened in the 1 outside of box that is located four first openings 3 tops, is equipped with second slider 15 in the spout 14, and second slider 15 and spout 14 cooperation, the outside of second slider 15 is connected with baffle 16, baffle 16 and the cooperation of first opening 3.
The working principle is as follows: when the device is used, a tester stands at a position away from the device at a certain distance, an operator starts the driving device 5, the driving device 5 drives the rotating device 6 to operate, the rotating device 6 drives the mounting rod 7 and the loudspeaker 8 to rotate, the loudspeaker 8 is started to play sound at the moment, the tester speaks the content according to the sound played by the loudspeaker 8, and the sound heard by the tester is ignored because the rotating device 6 drives the loudspeaker 8 to rotate, so that the testing difficulty is improved, and the testing result is more accurate. After the test is completed, the horn 8 and the driving device 5 are turned off.
Because the driving device 5 comprises the motor 51, the first rotating shaft 52, the supporting rod 53 and the first bearing seat 54, the motor 51 is installed at the lower part of the right side in the box body 1, the output shaft of the motor 51 is connected with the first rotating shaft 52, the supporting rod 53 is connected at the right side of the bottom in the box body 1, the first bearing seat 54 is installed at the top of the supporting rod 53, and the first rotating shaft 52 is in interference connection with the bearing in the first bearing seat 54. Therefore, the motor 51 is started, the motor 51 rotates to drive the first rotating shaft 52 to rotate, so as to drive the rotating device 6 to operate, and after the operation is finished, the motor 51 is turned off.
Because the rotating device 6 comprises the second bearing seat 61, the second rotating shaft 62 and the worm gear 63, the worm 64, the annular slide rail 65, the first slider 66 and the frame body 67, the second bearing seat 61 is installed in the middle of the transverse plate 4 in an embedded mode, a second rotating shaft 62 is connected to a bearing in the second bearing seat 61 in an interference mode, a worm wheel 63 is connected to the bottom of the second rotating shaft 62, the worm 64 is connected to the left end of the first rotating shaft 52 and meshed with the worm wheel 63, the annular slide rail 65 is installed on the top of the transverse plate 4, the first slider 66 is arranged on the annular slide rail 65, the first slider 66 is in sliding fit with the annular slide rail 65, the frame body 67 is connected to the top of the first slider 66, the top of the first rotating shaft 52 is connected with the middle of the bottom of the frame body 67, a second opening 68 is formed in the middle of the left side of the frame body 67, the second opening 68. Therefore, first pivot 52 rotates and drives worm 64 and rotate, thereby it rotates to drive second pivot 62 through worm wheel 63, and then drive framework 67 and rotate, first slider 66 and annular slide rail 65 play the guide effect, framework 67 drives installation pole 7 and loudspeaker 8 and rotates, when second opening 68 changes to correspond with first opening 3, the sound that the tester listened is great, when second opening 68 changes from first opening 3, the sound that the tester listened is less, so relapse, the sound that the tester listened is neglected greatly, make the test degree of difficulty improve, the test result is more accurate.
Because the device further comprises an interference device 9, the interference device 9 comprises a first gear 901, a third bearing seat 902, a third rotating shaft 903, a second gear 904, a first bevel gear 905, a fourth bearing seat 906, a fourth rotating shaft 907, a second bevel gear 908, a first spring 909, steel balls 910, L type rods 911, a pull wire 912 and a bell 913, the left part of the first rotating shaft 52 is connected with the first gear 901, the right lower part of the right side of the box body 1 is embedded with the third bearing seat 902, the bearing in the third bearing seat 902 is in interference fit with the third rotating shaft 903, the left end of the third rotating shaft 903 is connected with the second gear 904, the second gear 904 is meshed with the first gear 901, the right end of the third rotating shaft 903 is connected with the first bevel gear 905, the right middle part of the right side of the box body 1 is provided with the fourth bearing seat 906, the bearing in the fourth bearing seat 906 is in interference fit with the fourth rotating shaft 907, the second bevel gear 908 is connected with the bottom of the fourth rotating shaft 907, the first bevel gear 905 is meshed with the fourth rotating shaft 907, the first spring 907 is connected with the first spring 909, the tail end of the first spring 909, the first spring is connected with the tail end of the first spring 905, the box body is connected with the second ball 910, the box body 904 is connected with the pull wire 910, the pull wire 912, the second ball 910, the third ball is connected with the pull wire 903 is connected with the ball 910, the pull wire 903, the ball 910, the pull wire 903 is connected with the ball 910, the bell spring, the ball 910, the.
Because the loudspeaker box further comprises a swinging device 10, the swinging device 10 comprises a cam 101, a guide rod 103, a roller 104, a second spring 105 and a third spring 106, the cam 101 is connected to the middle of the top in the box body 1, a guide hole 102 is formed in the left side of the top of the frame body 67, the guide rod 103 is arranged in the guide hole 102, the guide rod 103 is matched with the guide hole 102, the roller 104 is installed at the top of the guide rod 103, the roller 104 is in contact with the cam 101, the second spring 105 is connected between the roller 104 and the frame body 67, the third spring 106 is connected to the bottom of the guide rod 103, and the bottom end of the third spring 106 is. Therefore, the frame 67 rotates to drive the roller 104 to move through the guide rod 103, the roller 104 rolls on the cam 101, and under the action of the second spring 105, the roller 104 rolls on the cam 101 to drive the guide rod 103 to move up and down, so that the third spring 106 drives the loudspeaker 8 to swing up and down, the sound played by the loudspeaker 8 is ignored, and the testing difficulty is further improved.
Because the shaft further comprises a sleeve 11 and a screw 13, the sleeve 11 is sleeved on the upper portion of the fourth rotating shaft 907, the sleeve 11 is in sliding fit with the fourth rotating shaft 907, a threaded hole 12 is formed in the middle of the right side of the sleeve 11, the screw 13 is arranged in the threaded hole 12, and the screw 13 is matched with the threaded hole 12. Therefore, when the bell 913 is not needed to sound, the screw 13 is screwed out of the threaded hole 12, the sleeve 11 is slid upwards to allow the first spring 909 to enter the sleeve 11, and the screw 13 is screwed into the threaded hole 12 to be fixed, similarly, when the bell 913 is needed to sound, the screw 13 is screwed out of the threaded hole 12 to slide the sleeve 11 downwards to allow the first spring 909 to drive the steel ball 910 to reset, and when the fourth rotating shaft 907 rotates, the first spring 909 drives the steel ball 910 to rotate and the bell 913 is knocked to sound, so that the test difficulty can be adjusted according to the test personnel.
Because still including second slider 15 and baffle 16, the spout 14 has all been opened in the box 1 outside that is located four first openings 3 tops, is equipped with second slider 15 in the spout 14, and second slider 15 and spout 14 cooperation, the outside of second slider 15 is connected with baffle 16, baffle 16 and the cooperation of first opening 3. Therefore, when the baffle 16 is pulled downwards, the baffle 16 blocks the first opening 3, so that the sound played by the horn 8 is resisted, the sound transmitted out of the box body 1 is reduced, when the baffle 16 is pulled upwards, the baffle 16 is moved away from the first opening 3, the sound played by the horn 8 can be smoothly transmitted out of the box body 1, and the test difficulty can be adjusted according to a tester.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (5)
1. The hearing test equipment for physical examination in the otolaryngological department is characterized by comprising a box body (1), supporting legs (2), a transverse plate (4), a driving device (5), a rotating device (6), mounting rods (7) and loudspeakers (8), wherein the supporting legs (2) are mounted at four corners of the bottom of the box body (1), four first openings (3) are uniformly spaced at the upper part of the box body (1), the transverse plate (4) is connected to the middle part in the box body (1), the driving device (5) is arranged at the lower part in the box body (1), the rotating device (6) is arranged on the transverse plate (4), the driving device (5) is matched with the rotating device (6), the mounting rods (7) are arranged in rotating parts of the rotating device (6), and the bottom of the mounting rods (7) is rotatably connected with the loudspeakers (8); the driving device (5) comprises a motor (51), a first rotating shaft (52), a support rod (53) and a first bearing seat (54), the motor (51) is installed on the lower portion of the inner right side of the box body (1), an output shaft of the motor (51) is connected with the first rotating shaft (52), the support rod (53) is connected to the right side of the inner bottom of the box body (1), the first bearing seat (54) is installed on the top of the support rod (53), and the first rotating shaft (52) is in interference connection with a bearing in the first bearing seat (54); the rotating device (6) comprises a second bearing seat (61), a second rotating shaft (62), a worm wheel (63), a worm (64), an annular sliding rail (65), a first sliding block (66) and a frame body (67), the second bearing seat (61) is installed in the middle of the transverse plate (4) in an embedded mode, the second rotating shaft (62) is connected to a bearing in the second bearing seat (61) in an interference mode, the worm wheel (63) is connected to the bottom of the second rotating shaft (62), the worm (64) is connected to the left end of the first rotating shaft (52), the worm (64) is meshed with the worm wheel (63), the annular sliding rail (65) is installed on the top of the transverse plate (4), the first sliding block (66) is arranged on the annular sliding rail (65), the first sliding block (66) is in sliding fit with the annular sliding rail (65), the frame body (67) is connected to the top of the first sliding block (66), a second opening (68) is formed in the middle of the left side of the frame body (67), the second opening (68) corresponds to the first opening (3), and the top of the mounting rod (7) is connected with the middle of the inner top of the frame body (67).
2. The hearing test device for physical examination in the otorhinolaryngology department as claimed in claim 1, further comprising an interference device (9), wherein the interference device (9) comprises a first gear (901), a third bearing seat (902), a third rotating shaft (903), a second gear (904), a first bevel gear (905), a fourth bearing seat (906), a fourth rotating shaft (907), a second bevel gear (908), a first spring (909), a steel ball (910), a L-type rod (911), a pull wire (912) and a bell (913), the left portion of the first rotating shaft (52) is connected with the first gear (901), the right lower portion of the box (1) is embedded with the third bearing seat (902), a bearing in the third bearing seat (902) is in interference fit with the third rotating shaft (903), the left end of the third rotating shaft (903) is connected with the second gear (904), the second gear (904) is engaged with the first gear (901), the right end of the third rotating shaft (903) is connected with the first bevel gear (905), the middle portion of the box (1) is connected with the second bearing seat (906), the right end of the fourth rotating shaft (906) is connected with the pull wire (905), the fourth bearing seat (907) is connected with the fourth bevel gear (904), the pull wire (908), the tail end of the fourth ball (910) is connected with the fourth ball (905), the fourth ball (906) is connected with the fourth bevel gear (905), the fourth ball (906) and the fourth ball (906), the pull wire (904), the tail end of the fourth ball (904) is connected with the fourth ball (904), the pull wire (904), the fourth ball (904), the fourth ball (904), the.
3. The hearing test device for the examination of the otorhinolaryngological department as claimed in claim 2, further comprising a swinging device (10), wherein the swinging device (10) comprises a cam (101), a guide rod (103), a roller (104), a second spring (105) and a third spring (106), the cam (101) is connected to the middle of the inner top of the box body (1), a guide hole (102) is formed in the left side of the top of the frame body (67), the guide rod (103) is arranged in the guide hole (102), the guide rod (103) is matched with the guide hole (102), the roller (104) is installed at the top of the guide rod (103), the roller (104) is in contact with the cam (101), the second spring (105) is connected between the roller (104) and the frame body (67), the third spring (106) is connected to the bottom of the guide rod (103), and the bottom end of the third spring (106) is connected with the upper left portion of.
4. The hearing test device for otorhinolaryngological medical examination according to claim 3, further comprising a sleeve (11) and a screw rod (13), wherein the sleeve (11) is sleeved on the upper portion of the fourth rotating shaft (907), the sleeve (11) is in sliding fit with the fourth rotating shaft (907), a threaded hole (12) is formed in the middle of the right side of the sleeve (11), the screw rod (13) is arranged in the threaded hole (12), and the screw rod (13) is matched with the threaded hole (12).
5. The hearing test device for physical examination in the otolaryngological department of claim 4, further comprising a second slider (15) and a baffle (16), wherein the outer side of the box body (1) above the four first openings (3) is provided with a sliding groove (14), the sliding groove (14) is internally provided with the second slider (15), the second slider (15) is matched with the sliding groove (14), the outer side of the second slider (15) is connected with the baffle (16), and the baffle (16) is matched with the first openings (3).
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| CN201711439811.1A CN107981868B (en) | 2017-12-27 | 2017-12-27 | Hearing test equipment is used in physical examination of otolaryngology branch of academic or vocational study |
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| CN201711439811.1A CN107981868B (en) | 2017-12-27 | 2017-12-27 | Hearing test equipment is used in physical examination of otolaryngology branch of academic or vocational study |
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Families Citing this family (3)
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| CN108652638B (en) * | 2018-05-11 | 2020-10-30 | 西安交通大学医学院第二附属医院 | Hearing test equipment for ear-nose-throat department |
| CN108937953B (en) * | 2018-09-21 | 2024-03-29 | 广州市清晰医疗器械有限公司 | Adjustable earmuff type hearing test device |
| CN111493884B (en) * | 2020-04-21 | 2023-03-24 | 济南市章丘区人民医院 | Auxiliary listening and screening detection device for pediatric nursing and working method thereof |
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| JPH05115462A (en) * | 1991-05-15 | 1993-05-14 | Rion Co Ltd | Hearing examining device |
| US6386039B1 (en) * | 1999-07-16 | 2002-05-14 | Bayerische Motoren Werke Aktiengesellschaft | Method and apparatus for determining the acoustic spatial characteristics particularly of a vehicle occupant compartment in a motor vehicle |
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| CN107981868A (en) | 2018-05-04 |
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