Head structure of noise reduction earphone

Abstract

The utility model discloses a head structure of a noise reduction earphone, which belongs to the technical field of noise reduction earphones and comprises a first arc-shaped connecting handle, one side of the first arc-shaped connecting handle is provided with a second arc-shaped connecting handle, the lower surface of the first arc-shaped connecting handle is fixedly connected with anti-skidding convex particles, and the lower part of the first arc-shaped connecting handle is fixedly connected with a rotating assembly. The lower portion of the rotating assembly is rotationally connected with a noise reduction earphone body, one end of the noise reduction earphone body is provided with a hanging lug sound insulation sleeve, the joint of the first arc-shaped connecting handle and the rotating assembly is provided with an adjusting assembly, and the joint of the noise reduction earphone body and the hanging lug sound insulation sleeve is provided with a connecting assembly. The size of the first arc-shaped connecting handle and the size of the second arc-shaped connecting handle can be conveniently adjusted, so that the size of the headset is conveniently adjusted, the headset is provided with the connecting assembly, and the lug sound insulation sleeve can be conveniently disassembled, cleaned or replaced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of noise reduction earphone, concretely relates to a head structure of noise reduction earphone. BACKGROUND

[0002] Noise reduction earphone is not only an ordinary earphone, but also a kind of magical tool that rejects external noise by technical means, which can make users more focused on audio content when listening to music, answering the phone or performing other audio activities, as if they are in an independent small world, and the noise reduction earphone is a kind of earphone worn on the head.

[0003] Chinese patent application No.202221855227.0 discloses an earphone with a noise reduction structure, which comprises a first arc-shaped connecting handle and an earphone cover. The lower end of the first arc-shaped connecting handle is provided with a connecting block, and the lower end of the connecting block is provided with a connecting rod through a rotating shaft. The surface of the connecting rod is provided with a limiting block. The earphone cover is located at the lower end of the connecting rod. A noise reduction assembly for improving the noise reduction performance of the earphone is installed inside the earphone cover, and the noise reduction assembly comprises a sound absorbing hole, a sound insulation soft block and a sound insulation sponge. The inner surface of the sound absorbing hole is provided with a sound insulation soft block. The earphone with a noise reduction structure can be folded and stored when not worn by adopting the setting of rotating shaft and bolt. The installation of noise reduction assembly and hanging ear sound insulation sleeve can isolate the propagation of external noise, thereby improving the noise reduction performance of the earphone during use. The setting of anti-slip convex grains and anti-slip rubber layer can increase the friction between the arc-shaped connecting handle and the head during wearing.

[0004] The above-mentioned patent has the following problems: 1. It is inconvenient to adjust the size of the earphone according to the needs of use, and it needs to be used with a fine adjustment assembly, but it is not practical to use, and the spring extrusion head makes it uncomfortable to wear for a long time. When using, the first arc-shaped connecting handle and the second arc-shaped connecting handle are folded by bolts, but it is inconvenient to use and needs tools, which is troublesome; 2. It is inconvenient to disassemble and replace the hanging ear sound insulation sleeve when it is dirty or worn out after long-term use. UTILITY MODEL CONTENTS

[0005] To solve the problems raised in the background art, the utility model provides a head structure of noise reduction earphone, which has the characteristics of being able to conveniently adjust the size of the first arc-shaped connecting handle and the second arc-shaped connecting handle, thereby adjusting the size of the headgear, and being able to conveniently disassemble and replace the hanging ear sound insulation sleeve.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A head structure of noise reduction earphone, including first arc connecting handle, one side of first arc connecting handle is provided with second arc connecting handle, the lower surface of first arc connecting handle is fixedly connected with anti -skid convex grain, the lower fixed connection of first arc connecting handle has rotating assembly, the lower rotatory joint of rotating assembly has noise reduction earphone body, one end of noise reduction earphone body is installed with hang ear sound insulation sleeve, the junction of first arc connecting handle and rotating assembly is provided with adjusting assembly, and the junction of noise reduction earphone body and hang ear sound insulation sleeve is provided with connecting assembly.

[0007] Preferably, the adjusting assembly comprises an adjusting seat, a folding assembly, an adjusting plate, a rubber fastening block, a fastening screw and a guide sliding block, wherein the lower side of the first arc-shaped connecting handle is fixedly connected with the adjusting seat, the lower side of the second arc-shaped connecting handle is also fixedly connected with the adjusting seat, the upper side of the first arc-shaped connecting handle is connected with the folding assembly, the other end of the folding assembly is connected with the second arc-shaped connecting handle, the adjusting plate is slidably connected in the adjusting seat, the rubber fastening block is abutted on one side of the adjusting plate, the fastening screw is rotatably connected on one end of the rubber fastening block, the fastening screw is threadedly connected with the adjusting seat, and the guide sliding block is fixedly connected on the upper side of the rubber fastening block.

[0008] Preferably, the folding assembly comprises a folding block, a folding seat, a rotating shaft, a cubic fixed rod, a fixed sliding block, a fixed spring and a connecting pull handle, wherein one end of the first arc-shaped connecting handle is fixedly connected with the folding block, the upper side of the folding block is abutted with the folding seat, the rotating shaft is arranged at the junction of the folding block and the folding seat, one end of the rotating shaft is fixedly connected with the folding block, the other end of the rotating shaft is rotatably connected with the folding seat, the cubic fixed rod is slidably connected at both ends of the folding seat, the fixed sliding block is fixedly connected on one side of the cubic fixed rod, the fixed spring is fixedly connected on the upper side of the fixed sliding block, the connecting pull handle is fixedly connected on the upper side of the cubic fixed rod, and a fixed square hole with the rotating shaft as the center is formed around the upper side of the folding block.

[0009] Preferably, one end of the fastening screw is fixedly connected with a rotating block, and the surface of the rotating block is fixedly connected with an anti-skid rod.

[0010] Preferably, the connecting assembly comprises a limiting seat, a connecting seat, an arc-shaped limiting block, an extrusion block, a limiting spring, a limiting sliding rod and a stop block, wherein one end of the noise reduction earphone body is fixedly connected with the limiting seat, the connecting seat is tightly inserted on one side of the limiting seat, the arc-shaped limiting block is clamped on both sides of the connecting seat, the extrusion block is fixedly connected on one end of the arc-shaped limiting block, the limiting spring is fixedly connected on one side of the extrusion block, the limiting sliding rod is slidably connected in the middle of the extrusion block, and the stop block is fixedly connected on one end of the limiting sliding rod located in the interior of the extrusion block.

[0011] Preferably, the two ends of one side of the hanging ear sound insulation sleeve are fixedly connected with positioning blocks, and the limiting seat is provided with positioning holes matched with the positioning blocks on one side.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、The utility model discloses a size of first arc connecting handle and second arc connecting handle can be adjusted conveniently through the adjusting assembly, thereby the size of headgear is adjusted, convenient to adjust, and when using, through the folding assembly, first arc connecting handle and second arc connecting handle can be folded and stored conveniently.

[0014] 2、The utility model discloses a size of first arc connecting handle and second arc connecting handle can be adjusted conveniently through the adjusting assembly, thereby the size of headgear is adjusted, convenient to adjust, and when using, through the folding assembly, first arc connecting handle and second arc connecting handle can be folded and stored conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic view of the utility model;

[0016] Figure 2 It is the whole structure schematic view of the utility model;

[0017] Figure 3 It is the whole structure schematic view of the utility model;

[0018] Figure 4 It is the whole structure schematic view of the utility model;

[0019] Figure 5 It is the whole structure schematic view of the utility model;

[0020] In the drawing: 1, first arc connecting handle;2, second arc connecting handle;3, adjusting assembly;31, adjusting seat;32, folding assembly;321, folding block;322, folding seat;323, rotating shaft;324, cubic fixed rod;325, fixed sliding block;326, fixed spring;327, connecting pull handle;33, adjusting plate;34, rubber fastening block;35, fastening screw;36, guide sliding block;37, rotating block;4, anti -skid convex grain;5, rotating assembly;6, noise reduction earphone body;7, hanging ear sound insulation sleeve;8, connecting assembly;81, limiting seat;82, connecting seat;83, arc limiting block;84, extrusion block;85, limiting spring;86, limiting sliding rod;87, baffle;88, positioning block. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] Embodiment 1

[0023] Please refer to Figures 1-5 The utility model provides the following technical scheme: a head structure of noise reduction earphone, including first arc connecting handle 1, one side of first arc connecting handle 1 is provided with second arc connecting handle 2, the lower surface of first arc connecting handle 1 is fixedly connected with anti -skid convex grain 4, the lower fixed connection of first arc connecting handle 1 has rotating assembly 5, the lower rotation of rotating assembly 5 is connected with noise reduction earphone body 6, one end of noise reduction earphone body 6 is installed with hang ear sound insulation sleeve 7, the connecting place of first arc connecting handle 1 and rotating assembly 5 is provided with adjusting assembly 3, and the connecting place of noise reduction earphone body 6 and hang ear sound insulation sleeve 7 is provided with connecting assembly 8.

[0024] Specifically, adjusting assembly 3 includes adjusting seat 31, folding assembly 32, adjusting plate 33, rubber fastening block 34, fastening screw 35 and guide sliding block 36, wherein, the lower fixed connection of first arc connecting handle 1 has adjusting seat 31, the lower fixed connection of second arc connecting handle 2 also has adjusting seat 31, the upper connection of first arc connecting handle 1 has folding assembly 32, and the other end of folding assembly 32 and second arc connecting handle 2 are connected, the inside sliding connection of adjusting seat 31 has adjusting plate 33, the side of adjusting plate 33 is butted with rubber fastening block 34, the one end rotation of rubber fastening block 34 is connected with fastening screw 35, and fastening screw 35 and adjusting seat 31 are threadedly connected, and the upper fixed connection of rubber fastening block 34 has guide sliding block 36.

[0025] By adopting the above technical scheme, by rotating fastening screw 35, under the action of guide sliding block 36, rubber fastening block 34 is moved away from adjusting plate 33, then the position of adjusting plate 33 in adjusting seat 31 is adjusted, so as to be suitable for different size head, after adjusting, rotating fastening screw 35, so as to drive rubber fastening block 34 to move, fastening and fixing adjusting plate 33.

[0026] Specifically, the folding assembly 32 comprises a folding block 321, a folding seat 322, a rotating shaft 323, a cuboid fixing rod 324, a fixing sliding block 325, a fixing spring 326 and a connecting pull handle 327, one end of the first arc-shaped connecting handle 1 is fixedly connected with the folding block 321, the upper portion of the folding block 321 abuts against the folding seat 322, the connecting portion of the folding block 321 and the folding seat 322 is provided with the rotating shaft 323, one end of the rotating shaft 323 is fixedly connected with the folding block 321, the other end of the rotating shaft 323 is rotatably connected with the folding seat 322, both ends of the folding seat 322 are slidably connected with the cuboid fixing rod 324, one side of the cuboid fixing rod 324 is fixedly connected with the fixing sliding block 325, the upper portion of the fixing sliding block 325 is fixedly connected with the fixing spring 326, the upper portion of the cuboid fixing rod 324 is fixedly connected with the connecting pull handle 327, and the upper portion of the folding block 321 is surrounded to be provided with a fixed square hole with the rotating shaft 323 as the center.

[0027] By adopting the above technical scheme, when the device needs to be folded and stored, the cuboid fixing rod 324 is pulled through the connecting pull handle 327, the cuboid fixing rod 324 drives the fixing sliding block 325 to move and compresses the fixing spring 326, so that the cuboid fixing rod 324 is separated from the fixed square hole above the folding block 321, then the folding block 321 and the folding seat 322 are rotated under the action of the rotating shaft 323, after being rotated by ninety degrees, the cuboid fixing rod 324 and another fixed square hole above the folding block 321 coincide, at this time, the fixing spring 326 resets, so that the cuboid fixing rod 324 is inserted into the other fixed square hole for fixation.

[0028] Specifically, one end of the fastening screw 35 is fixedly connected with a rotating block 37, and the surface of the rotating block 37 is surrounded and fixedly connected with an anti-skid rod.

[0029] By adopting the above technical scheme, the rotating block 37 and the anti-skid rod are arranged, so that the fastening screw 35 can be conveniently rotated.

[0030] The embodiment is used as follows: by rotating the fastening screw 35, the rubber fastening block 34 is moved away from the adjusting plate 33 under the action of the guide sliding block 36, and then the position of the adjusting plate 33 in the adjusting seat 31 is adjusted, so as to be suitable for different sizes of the head, after the adjustment is completed, the fastening screw 35 is rotated to move the rubber fastening block 34 and fasten and fix the adjusting plate 33, when the device needs to be folded and stored, the square fixing rod 324 is pulled through the connecting pull handle 327, the square fixing rod 324 moves to compress the fixing spring 326, so that the square fixing rod 324 is separated from the fixed square hole above the folding block 321, then the folding block 321 and the folding seat 322 are rotated under the action of the rotating shaft 323, after rotating by 90 degrees, the square fixing rod 324 and another fixed square hole above the folding block 321 coincide, at this time the fixing spring 326 resets, so that the square fixing rod 324 is inserted into another fixed square hole for fixation, so that the device can conveniently adjust the size of the first arc-shaped connecting handle 1 and the second arc-shaped connecting handle 2 when in use, so as to adjust the size of the head, which is convenient to adjust, and the first arc-shaped connecting handle 1 and the second arc-shaped connecting handle 2 can be conveniently folded and stored when in use.

[0031] Embodiment 2

[0032] The difference between the embodiment and embodiment 1 is that specifically, the connecting assembly 8 comprises a limiting seat 81, a connecting seat 82, an arc-shaped limiting block 83, an extrusion block 84, a limiting spring 85, a limiting sliding rod 86 and a stop block 87, wherein one end of the noise reduction earphone body 6 is fixedly connected with the limiting seat 81, one side of the limiting seat 81 is tightly inserted with the connecting seat 82, both sides of the connecting seat 82 are clamped with the arc-shaped limiting block 83, one end of the arc-shaped limiting block 83 is fixedly connected with the extrusion block 84, one side of the extrusion block 84 is fixedly connected with the limiting spring 85, the middle of the extrusion block 84 is slidingly connected with the limiting sliding rod 86, and one end of the limiting sliding rod 86 located inside the extrusion block 84 is fixedly connected with the stop block 87.

[0033] By adopting the above technical scheme, when it is necessary to disassemble, clean or replace the hanging ear sound insulation sleeve 7, the hanging ear sound insulation sleeve 7 is pulled by force, and when the hanging ear sound insulation sleeve 7 is pulled, the arc-shaped limiting block 83 in the connecting seat 82 moves to one side under the action of the arc-shaped guide opening to compress the limiting spring 85, until the arc-shaped limiting block 83 is separated from the connecting seat 82, so that the connecting seat 82 can be pulled out of the limiting seat 81, and the limiting sliding rod 86 and the stop block 87 cooperate to limit the movement of the extrusion block 84.

[0034] Specifically, the two ends of one side of the hanging ear sound insulation sleeve 7 are fixedly connected with positioning blocks 88, and one side of the limiting seat 81 is provided with positioning holes matched with the positioning blocks 88.

[0035] By adopting the above technical scheme, the positioning block 88 and the positioning hole are arranged, so that the ear-hanging sound insulation sleeve 7 can be positioned during installation.

[0036] In use, when the ear-hanging sound insulation sleeve 7 needs to be disassembled, cleaned or replaced, the ear-hanging sound insulation sleeve 7 is pulled, the arc-shaped limiting block 83 in the connecting seat 82 moves to one side under the action of the arc-shaped guide opening, compresses the limiting spring 85, until the connecting seat 82 is separated from the limiting seat 81, the connecting seat 82 is pulled out of the limiting seat 81, the limiting slide rod 86 and the stop block 87 are matched, the movement of the extrusion block 84 is limited, the positioning block 88 and the positioning hole are arranged, so that the ear-hanging sound insulation sleeve 7 can be positioned during installation, so that the device can be conveniently disassembled, cleaned or replaced.

[0037] The structure and use principle of the first arc-shaped connecting handle 1, the second arc-shaped connecting handle 2, the rotating assembly 5, the noise reduction earphone body 6 and the ear-hanging sound insulation sleeve 7 in the utility model have been disclosed in the earphone with a noise reduction structure in Chinese patent application No. 202221855227.0, and the working principle is that the device is hung on the head through the first arc-shaped connecting handle 1 and the second arc-shaped connecting handle 2, so that the ear-hanging sound insulation sleeve 7 is attached to the ear for use.

[0038] The utility model discloses a working principle and use flow: the utility model discloses, through adjusting assembly 3, adjust first arc connecting handle 1 and second arc connecting handle 2 to the suitable size, then through first arc connecting handle 1 and second arc connecting handle 2, can be hung on the head and use, when the device is no longer used, through folding assembly 32, folding between first arc connecting handle 1 and second arc connecting handle 2 is convenient, through connecting assembly 8, it is convenient to dismouting ear muffling sleeve 7, clean or replace, through antiskid convex grain 4, play the effect of antiskid, adjusting assembly 3 uses, through rotating fastening screw 35, under the action of guide sliding block 36, will drive rubber fastening block 34 to remove, make it far away from adjusting plate 33, then adjust the position of adjusting plate 33 in adjusting seat 31, to adapt to the head of different size, after adjusting, rotating fastening screw 35, to drive rubber fastening block 34 to remove, fastening and fixing adjusting plate 33, when the device needs to be folded and stored, through connecting pull handle 327 to pull cubic fixed rod 324, cubic fixed rod 324 drives fixed sliding block 325 to move and compresses fixed spring 326, so that cubic fixed rod 324 is separated from the fixed square hole above folding block 321, then under the action of rotating shaft 323, folding block 321 and folding seat 322 are rotated, after rotating ninety degrees, another fixed square hole above cubic fixed rod 324 and folding block 321 coincides, at this moment, fixed spring 326 resets, so that cubic fixed rod 324 is inserted into another fixed square hole and is fixed, so that the device can conveniently adjust the size of first arc connecting handle 1 and second arc connecting handle 2 when in use, thereby adjusting the size of head wearing, convenient to adjust, and when in use, first arc connecting handle 1 and second arc connecting handle 2 can be conveniently folded and stored, when connecting assembly 8 is used, when ear muffling sleeve 7 needs to be dismounted and cleaned or replaced, through pulling ear muffling sleeve 7 with force, when pulling, arc limiting block 83 in connecting seat 82 will drive arc limiting block 83 to move to one side and compress limiting spring 85 under the action of arc guide mouth, until it and connecting seat 82 separate, so that connecting seat 82 can be pulled out from limiting seat 81, limiting sliding rod 86 and stop block 87 cooperate, limiting the movement of extrusion block 84 is convenient, the setting of positioning block 88 and positioning hole makes it convenient to position ear muffling sleeve 7 when installing, so that the device can conveniently dismount ear muffling sleeve 7 and clean or replace it when in use.

[0039] Although the embodiments of the utility model have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A head structure for noise-canceling headphones, comprising a first arc-shaped connecting handle (1), a second arc-shaped connecting handle (2) disposed on one side of the first arc-shaped connecting handle (1), anti-slip protrusions (4) fixedly connected to the lower surface of the first arc-shaped connecting handle (1), a rotating component (5) fixedly connected to the lower part of the first arc-shaped connecting handle (1), a noise-canceling headphone body (6) rotatably connected to the lower part of the rotating component (5), and an ear hook noise-isolating sleeve (7) installed at one end of the noise-canceling headphone body (6), characterized in that: The connecting part of the first arc-shaped connecting handle (1) and the rotating assembly (5) is provided with an adjusting assembly (3), and the connecting part of the noise reduction earphone body (6) and the ear hanging sound insulation sleeve (7) is provided with a connecting assembly (8).

2. The head structure of a noise reducing headphone according to claim 1, characterized in that: The adjusting assembly (3) comprises an adjusting seat (31), a folding assembly (32), an adjusting plate (33), a rubber fastening block (34), a fastening screw (35) and a guide sliding block (36), wherein the lower part of the first arc-shaped connecting handle (1) is fixedly connected with the adjusting seat (31), the lower part of the second arc-shaped connecting handle (2) is also fixedly connected with the adjusting seat (31), the upper part of the first arc-shaped connecting handle (1) is connected with the folding assembly (32), the other end of the folding assembly (32) is connected with the second arc-shaped connecting handle (2), the adjusting seat (31) is slidably connected with the adjusting plate (33), one side of the adjusting plate (33) is abutted with the rubber fastening block (34), one end of the rubber fastening block (34) is rotatably connected with the fastening screw (35), the fastening screw (35) is threadedly connected with the adjusting seat (31), and the upper part of the rubber fastening block (34) is fixedly connected with the guide sliding block (36).

3. The head structure of a noise reducing headphone according to claim 2, characterized in that: The folding assembly (32) comprises a folding block (321), a folding seat (322), a rotating shaft (323), a square fixed rod (324), a fixed sliding block (325), a fixed spring (326) and a connecting pull handle (327), wherein one end of the first arc-shaped connecting handle (1) is fixedly connected with the folding block (321), the upper part of the folding block (321) is abutted with the folding seat (322), the connecting part of the folding block (321) and the folding seat (322) is provided with the rotating shaft (323), one end of the rotating shaft (323) is fixedly connected with the folding block (321), the other end of the rotating shaft (323) is rotatably connected with the folding seat (322), both ends of the folding seat (322) are slidably connected with the square fixed rod (324), one side of the square fixed rod (324) is fixedly connected with the fixed sliding block (325), the upper part of the fixed sliding block (325) is fixedly connected with the fixed spring (326), the upper part of the square fixed rod (324) is fixedly connected with the connecting pull handle (327), and a fixed square hole with the rotating shaft (323) as the center is formed around the upper part of the folding block (321).

4. The head structure of a noise reducing headphone according to claim 2, wherein: One end of the fastening screw (35) is fixedly connected with a rotating block (37), and an anti-skid rod is fixedly connected around the surface of the rotating block (37).

5. The head structure of a noise reducing headphone according to claim 1, wherein: The connecting assembly (8) comprises a limiting seat (81), a connecting seat (82), an arc-shaped limiting block (83), an extrusion block (84), a limiting spring (85), a limiting sliding rod (86) and a stop block (87), one end of the noise reduction earphone body (6) is fixedly connected with the limiting seat (81), one side of the limiting seat (81) is tightly inserted with the connecting seat (82), both sides of the connecting seat (82) are clamped with the arc-shaped limiting block (83), one end of the arc-shaped limiting block (83) is fixedly connected with the extrusion block (84), one side of the extrusion block (84) is fixedly connected with the limiting spring (85), the middle of the extrusion block (84) is slidingly connected with the limiting sliding rod (86), and one end of the limiting sliding rod (86) in the extrusion block (84) is fixedly connected with the stop block (87).

6. A head structure for a noise reducing headphone according to claim 5, characterized in that: Both ends of one side of the hanging ear sound insulation sleeve (7) are fixedly connected with positioning blocks (88), and one side of the limiting seat (81) is provided with positioning holes matched with the positioning blocks (88).

Images