CN216531752U

CN216531752U - Earphone suitable for english teaching

Info

Publication number: CN216531752U
Application number: CN202123199169.9U
Authority: CN
Inventors: 高嵩; 姚丽丽
Original assignee: PANJIN VOCATIONAL & TECHNICAL COLLEGE
Current assignee: PANJIN VOCATIONAL & TECHNICAL COLLEGE
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-05-13
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses an earphone suitable for English teaching, which comprises a box body, wherein a knob is arranged at the top of the box body, a worm is fixedly connected to the bottom of the knob, the bottom of the worm is rotatably connected to the top of a fixing plate, a worm wheel is fixedly connected to the middle of the periphery of a connecting rod, a first helical gear is fixedly connected to the other end, far away from the connecting plate, of the connecting rod, a second helical gear is fixedly connected to the upper portion of the periphery of the screw, a sliding block is in threaded connection with the lower portion of the second helical gear, which is adjacent to the periphery of the screw, a supporting rod is fixedly connected to one side of the sliding block, and the bottom of the supporting rod penetrates through a groove of the box body and is fixedly connected to the top of a pressing plate. According to the earphone fixing device, the worm wheel, the connecting rod, the first bevel gear, the second bevel gear and the screw are matched, the slider drives the supporting rod to move downwards, the pressing plate presses the head downwards, the earphone is effectively fixed, the displacement of the earphone caused by the movement of the head is avoided, and the practicability is improved.

Description

Earphone suitable for english teaching

Technical Field

The utility model relates to the technical field of earphones, in particular to an earphone suitable for English teaching.

Background

The earphone is a pair of conversion units, it accepts the electric signal that the media player or receiver send, utilize close to the loudspeaker of the ear to change it into the sound wave that can be heard, the earphone is usually separable with the media player, utilize a plug to connect, the advantage is under the condition that does not influence other people, can listen to the stereo set alone, can isolate the sound of the surrounding environment, help very much to the person who uses under the noisy environment such as recording studio, bar, journey, sports, etc., the earphone is originally used on telephone and radio, but with the flourishing of the portable electronic device, the earphone is used in the mobile phone, walkman, radio, portable electric game and digital audio player, etc.

The headphone that present english teaching was used has certain drawback when using, at the in-process of wearing, and the head removes often when teaching, leads to the earphone to rock easily and produces the displacement, influences normal use, causes and reduces the practicality.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an earphone suitable for English teaching.

In order to achieve the purpose, the utility model adopts the following technical scheme: the earphone suitable for English teaching comprises a box body, wherein a knob is arranged at the top of the box body, a worm is fixedly connected to the bottom of the knob, the bottom of the worm is rotatably connected to the top of a fixed plate, a connecting plate is fixedly connected to the top in the box body, a connecting rod is rotatably connected to the side edge of the connecting plate, a worm wheel is fixedly connected to the middle of the periphery of the connecting rod, a first helical gear is fixedly connected to the other end, away from the connecting plate, of the connecting rod, a screw rod is rotatably connected to the top in the box body, a second helical gear is fixedly connected to the upper portion of the periphery of the screw rod, a sliding block is in threaded connection with the lower portion of the periphery of the screw rod, which is adjacent to the second helical gear, a supporting rod is fixedly connected to one side of the sliding block, the bottom of the supporting rod penetrates through a groove of the box body and is fixedly connected to the top of a pressing plate, and two sides of the box body are fixedly connected to one end of a support, the other end of the support is fixedly connected to the top of the earphone main body.

As a further description of the above technical solution:

the bottom fixedly connected with cushion of clamp plate, the material of cushion is rubber materials.

As a further description of the above technical solution:

the bottom of the connecting plate is fixedly connected with one end of the top of the fixing plate.

As a further description of the above technical solution:

the worm wheel and the worm are in meshed connection.

As a further description of the above technical solution:

the inner sides of the earphone main bodies are provided with sealing rings.

As a further description of the above technical solution:

and the first bevel gear and the second bevel gear are meshed with each other.

As a further description of the above technical solution:

the left side the bottom of earphone main part is provided with the microphone.

As a further description of the above technical solution:

the bottom of the screw rod is rotatably connected with the bottom in the box body.

The utility model has the following beneficial effects:

according to the earphone, firstly, the earphone body is worn on the head through the support, then the worm is driven through the rotating knob, the worm is meshed through the worm gear to drive the connecting rod to rotate, the connecting rod drives the first bevel gear, the first bevel gear drives the screw rod to rotate through the second bevel gear, so that the slider drives the supporting rod to move downwards on the periphery of the screw rod, the supporting rod moves downwards to push the pressing plate to move downwards, the pressing plate is further pressed to the top of the head, the fixing of the earphone is effectively achieved, the phenomenon that the earphone is displaced due to the fact that the head moves is avoided, and the practicability is improved.

Drawings

Fig. 1 is a structural diagram of an earphone suitable for english teaching according to the present invention;

fig. 2 is an enlarged view of a point a in fig. 1.

Illustration of the drawings:

1. a support; 2. a box body; 3. a knob; 4. pressing a plate; 5. a seal ring; 6. a soft cushion; 7. a microphone; 8. an earphone main body; 9. a support bar; 10. a connecting plate; 11. a slider; 12. grooving; 13. a screw; 14. a first helical gear; 15. a second helical gear; 16. a worm gear; 17. a fixing plate; 18. a worm; 19. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, one embodiment of the present invention is provided: the earphone suitable for English teaching comprises a box body 2, wherein a knob 3 is arranged at the top of the box body 2, a worm 18 is fixedly connected to the bottom of the knob 3, the bottom of the worm 18 is rotatably connected to the top of a fixing plate 17, a connecting plate 10 is fixedly connected to the top in the box body 2, a connecting rod 19 is rotatably connected to the side edge of the connecting plate 10, a worm wheel 16 is fixedly connected to the middle of the periphery of the connecting rod 19, the worm 18 is driven by rotating the knob 3, the worm 18 can drive the connecting rod 19 to rotate through the meshed connection with the worm wheel 16, a first helical gear 14 is fixedly connected to the other end, far away from the connecting plate 10, of the connecting rod 19, a screw 13 is rotatably connected to the top in the box body 2, a second helical gear 15 is fixedly connected to the upper part of the periphery of the screw 13, a sliding block 11 is in threaded connection with the lower part of the periphery of the second helical gear 15, and a supporting rod 9 is fixedly connected to one side of the sliding block 11, the fluting 12 and the fixed connection that the box body 2 was run through to bracing piece 9 bottom are at the top of clamp plate 4, the rotation of connecting rod 19 drives first helical gear 14, first helical gear 14 drives screw rod 13 through second helical gear 15 and rotates, make slider 11 drive bracing piece 9 move down in the periphery of screw rod 13, bracing piece 9 move down and promote clamp plate 4 and move down, and then make clamp plate 4 push down the top of head, effectively realize the fixed of earphone, avoid the head to remove and lead to the earphone displacement, improve the practicality, when bracing piece 9 moves down through slider 11, fluting 12 plays limiting displacement to bracing piece 9, the equal fixed connection in the one end of support 1 in both sides of box body 2, the equal fixed connection in the top of earphone main part 8 of the other end of support 1.

The bottom fixedly connected with cushion 6 of clamp plate 4, the material of cushion 6 is rubber materials, rubber materials's cushion 6 has the performance of buffering, effectively avoid clamp plate 4 excessively to push down and lead to the head uncomfortable, the bottom fixed connection of connecting plate 10 is in the one end at fixed plate 17 top, be connected for the meshing between worm wheel 16 and the worm 18, the inboard of earphone main part 8 all is provided with sealing washer 5, effectively prevent external noise influence and listen the content of earphone main part 8 broadcast, homogeneous phase meshing between first helical gear 14 and the second helical gear 15, the bottom of left side earphone main part 8 is provided with microphone 7, microphone 7 can with outside player electric connection, be used for teaching, the bottom of connecting in box body 2 is rotated to the bottom of screw rod 13.

The working principle is as follows: at first, earphone main part 8 is worn on the head through support 1, drive worm 18 through rotating knob 3 afterwards, worm 18 passes through the relation of being connected with worm wheel 16 meshing, can drive connecting rod 19 and rotate, connecting rod 19 drives first helical gear 14, first helical gear 14 drives screw rod 13 through second helical gear 15 and rotates, make slider 11 drive bracing piece 9 move down in the periphery of screw rod 13, bracing piece 9 move down and promote clamp plate 4 and move down, and then make clamp plate 4 push down the top of head, effectively realize the fixed of earphone, avoid the head to remove and lead to the earphone displacement, the high practicality, simultaneously rubber materials's cushion 6 has the performance of buffering, effectively avoid clamp plate 4 excessively to push down and lead to the head uncomfortable, excellent in use effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. Earphone suitable for english teaching, including box body (2), its characterized in that: the top of the box body (2) is provided with a knob (3), the bottom of the knob (3) is fixedly connected with a worm (18), the bottom of the worm (18) is rotatably connected to the top of a fixing plate (17), the top of the box body (2) is fixedly connected with a connecting plate (10), the side of the connecting plate (10) is rotatably connected with a connecting rod (19), the middle of the periphery of the connecting rod (19) is fixedly connected with a worm wheel (16), the other end of the connecting rod (19), far away from the connecting plate (10), is fixedly connected with a first helical gear (14), the top of the box body (2) is rotatably connected with a screw rod (13), the upper part of the periphery of the screw rod (13) is fixedly connected with a second helical gear (15), the periphery of the screw rod (13) is adjacent to the lower part of the second helical gear (15) and is in threaded connection with a sliding block (11), one side of the sliding block (11) is fixedly connected with a supporting rod (9), the bottom of the supporting rod (9) penetrates through a groove (12) in the box body (2) and is fixedly connected to the top of the pressing plate (4), the two sides of the box body (2) are fixedly connected to one end of the support (1), and the other end of the support (1) is fixedly connected to the top of the earphone body (8).

2. The headset suitable for english teaching of claim 1, wherein: the bottom fixedly connected with cushion (6) of clamp plate (4), the material of cushion (6) is rubber materials.

3. The headset suitable for english teaching of claim 1, wherein: the bottom of the connecting plate (10) is fixedly connected with one end of the top of the fixing plate (17).

4. The headset suitable for english teaching of claim 1, wherein: the worm wheel (16) and the worm (18) are in meshed connection.

5. The headset suitable for english teaching of claim 1, wherein: the inner sides of the earphone main bodies (8) are provided with sealing rings (5).

6. The headset suitable for english teaching of claim 1, wherein: the first bevel gear (14) and the second bevel gear (15) are meshed with each other.

7. The headset suitable for english teaching of claim 1, wherein: the left side the bottom of earphone main part (8) is provided with microphone (7).

8. The headset suitable for english teaching of claim 1, wherein: the bottom of the screw rod (13) is rotatably connected to the bottom in the box body (2).