Search

CN-224218490-U - Air-guide earphone

CN224218490UCN 224218490 UCN224218490 UCN 224218490UCN-224218490-U

Abstract

The utility model provides an air-guide earphone which comprises a head band assembly, two driving structures and two earplugs, wherein vent holes are formed in the earplugs, and the vent holes of the two earplugs are communicated with a preset instrument through an air pipeline. According to the air-guide earphone provided by the utility model, the earplug is driven to move by the driving structure, so that the earplug can be matched with the auditory canal of a tester through position adjustment in the auditory canal, the sealing effect of the earplug on the auditory canal is ensured, the problem that the earmuff is covered on the ear of the tester in the prior art and cannot be reliably sealed is solved, the testing accuracy is effectively improved, meanwhile, the repeated testing for multiple times is avoided, the working efficiency is improved, and the testing accuracy of the hearing loss degree of the tester is improved.

Inventors

  • LU XIAOXUE
  • ZHANG JIALU
  • HUANG ZHICHAO
  • CHEN PENG

Assignees

  • 天津太邦医疗科技有限公司

Dates

Publication Date
20260508
Application Date
20250410

Claims (12)

  1. 1. An air conduction earphone is characterized by comprising: a headband assembly (1); Two driving structures (2), wherein the two driving structures (2) are respectively arranged at two ends of the head band assembly (1); The two earplugs (3) are in one-to-one correspondence with the two driving structures (2), the earplugs (3) are arranged on the head band assembly (1) through the corresponding driving structures (2), and the driving structures (2) can drive the corresponding earplugs (3) to move relative to the head band assembly (1) so as to adjust the depth of the earplugs extending into the auditory canal; The earplug (3) is provided with vent holes (31), and the vent holes (31) of the two earplugs (3) are communicated with a preset instrument through a gas pipeline.
  2. 2. The air-conduction earphone as recited in claim 1, wherein the driving structure (2) comprises a mounting body (21) and a slider (22), the mounting body (21) is disposed on the headband assembly (1), the slider (22) is movably disposed on the mounting body (21), the slider (22) is capable of moving relative to the mounting body (21), and the earplug (3) is connected with the slider (22).
  3. 3. The air-conduction earphone as claimed in claim 2, wherein the driving structure (2) further comprises a knob (23), the knob (23) is rotatably arranged on the mounting body (21), the sliding block (22) is in transmission fit with the knob (23), and the knob (23) can be rotated to drive the sliding block (22) to move.
  4. 4. The air conduction earphone as recited in claim 3, wherein the slider (22) is provided with a threaded hole, and the knob (23) is provided with external threads which are in threaded engagement with the threaded hole to effect movement of the slider (22).
  5. 5. The air-conduction earphone as claimed in claim 2, wherein the first end of the mounting body (21) is disposed on the headband assembly (1), the second end of the mounting body (21) is provided with the corresponding earplug (3), and the mounting body (21) can deform to drive the earplug (3) to perform curved motion.
  6. 6. The air-conduction earphone as claimed in claim 1, wherein the driving structure (2) is movably arranged on the headband assembly (1), and the moving direction of the driving structure (2) is different from the moving direction of the earplug (3).
  7. 7. The air conduction earphone as claimed in claim 6, wherein at least one first adjusting member (41) is arranged on the headband assembly (1), at least two second adjusting members (42) are arranged on the driving structure (2), and any one of the first adjusting members (41) can be in locking fit with any one of the second adjusting members (42).
  8. 8. The air conduction earphone as claimed in claim 1, wherein the air conduction earphone further comprises a first pipeline (51) and a second pipeline (52), the two earplugs (3) comprise a first earplug (32) and a second earplug (33), the vent hole (31) of the first earplug (32) is communicated with the preset instrument through the first pipeline (51), and the vent hole (31) of the second earplug (33) is communicated with the preset instrument through the second pipeline (52).
  9. 9. The air-conduction earphone according to claim 1, wherein the air-conduction earphone further comprises a connecting pipeline, two earplugs (3) comprise a first earplug (32) and a second earplug (33), one end of the connecting pipeline is communicated with the preset instrument, and the other end of the connecting pipeline is respectively communicated with the vent hole (31) of the first earplug (32) and the vent hole (31) of the second earplug (33).
  10. 10. An air conduction earphone as claimed in claim 1, characterized in that said earplugs (3) are hinged to the corresponding driving structure (2).
  11. 11. The air-conduction earphone as claimed in claim 10, wherein the air-conduction earphone further comprises handles, the handles are in one-to-one correspondence with the earplugs (3), the earplugs (3) are arranged on the corresponding handles, and the handles are in hinged fit with the driving structure (2).
  12. 12. The air conduction earphone as recited in claim 1, wherein a boss structure (11) is provided on an inner wall of the headband assembly at a portion near the earplug, the boss structure (11) being capable of abutting engagement with a head of a tester.

Description

Air-guide earphone Technical Field The utility model relates to the technical field of hearing test and hearing disorder diagnosis, in particular to an air conduction earphone. Background The pure tone threshold test air conduction earphone is a device specially designed for hearing detection and obstacle diagnosis. By means of the air conduction principle, pure tone signals with different frequencies and intensities are transmitted to a subject through the earphone, so that the hearing threshold of the subject is accurately measured. In clinical application, doctors can accurately judge the degree and the property of hearing loss by comparing the difference of the hearing threshold of healthy ears and the hearing threshold of sick ears, and powerful support is provided for early discovery, diagnosis and treatment of hearing disorders. The existing pure tone threshold test air conduction earphone on the market has some defects in actual use. The pure-tone threshold test air conduction earphone is required to completely seal the ears of a tester, however, the structure of the earmuff cannot be adjusted along with the shape of the ears, the shape of the face and the like of the tester, so that the pure-tone threshold test air conduction earphone cannot achieve the required sealing effect in actual use, the test accuracy is seriously affected, and the working efficiency of the hearing test is also reduced. The tester may need to repeatedly adjust the earphone position and even re-test, which not only increases the time cost of the test, but also may cause errors and inconsistencies in the test results, thereby affecting accurate assessment of the degree of hearing loss. Disclosure of utility model In order to solve the technical problem that the test accuracy of the pure tone threshold test air conduction earphone in the prior art is poor, the air conduction earphone is provided, wherein the air conduction earphone can be used for adjusting two earmuff assemblies and adjusting the depth of an earplug extending into an auditory canal so as to improve the test accuracy. An air conduction earphone comprising: A headgear assembly; the two driving structures are respectively arranged at two ends of the head band assembly; The earplugs are in one-to-one correspondence with the driving structures, the earplugs are arranged on the head band assembly through the corresponding driving structures, and the driving structures can drive the corresponding earplugs to move relative to the head band assembly so as to adjust the depth of the earplugs extending into the auditory canal; the earplugs are provided with vent holes, and the vent holes of the two earplugs are communicated with a preset instrument through a gas pipeline. The driving structure comprises a mounting body and a sliding block, wherein the mounting body is arranged on the headband assembly, the sliding block is movably arranged on the mounting body, the sliding block can move relative to the mounting body, and the earplug is connected with the sliding block. The driving structure further comprises a knob, the knob is rotatably arranged on the mounting body, the sliding block is in transmission fit with the knob, and the knob can be rotated to drive the sliding block to move. The sliding block is provided with a threaded hole, the knob is provided with external threads, and the external threads are in threaded fit with the threaded hole so as to realize movement of the sliding block. The first end of the mounting body is arranged on the headband assembly, the second end of the mounting body is provided with corresponding earplugs, and the mounting body can deform to drive the earplugs to perform curvilinear motion. The driving structure is movably arranged on the head band assembly, and the moving direction of the driving structure is different from the moving direction of the earplug. The headband assembly is provided with at least one first adjusting piece, the driving structure is provided with at least two second adjusting pieces, and any one of the first adjusting pieces can be matched with any one of the second adjusting pieces in a clamping mode. The air conduction earphone further comprises a first pipeline and a second pipeline, the two earplugs comprise a first earplug and a second earplug, the vent hole of the first earplug is communicated with the preset instrument through the first pipeline, and the vent hole of the second earplug is communicated with the preset instrument through the second pipeline. The air-guide earphone further comprises a connecting pipeline, the two earplugs comprise a first earplug and a second earplug, one end of the connecting pipeline is communicated with the preset instrument, and the other end of the connecting pipeline is respectively communicated with the vent hole of the first earplug and the vent hole of the second earplug. The earplugs are hinged to the corresponding driving structures. The air-guide earphone fur