Headphone
By designing the limit slot and the first limit projection on the connector and head arch of the headset, the problem of easy shaking of the folded connection position during storage of the headset is solved, and the effect of protecting the connection part and extending the service life is achieved.
Patent Information
- Application Number
- CN202421616241.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-09
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-07-09
AI Technical Summary
The existing foldable headsets are easily shaken when storing and causing damage.
A headset is designed, including a middleware, a head arch and an earphone body. The headset body is rotatably connected to the middleware through a connecting member. At least two first limiting protrusions are provided at one end of the connecting member close to the middleware. At least two limiting slots are provided on one side of the head arch close to the middleware. When the headset is folded, the first limiting protrusion enters and abuts the limiting slot, limiting its left and right movements.
The first limit projection is limited through the limit slot to prevent excessive shaking of the headphone body after storage, protect the folded connection part, and extend the service life of the headphones.
Smart Images

Figure CN222839784U_ABST
Abstract
Description
[Technical field]
[0001] The utility model relates to the technical field of headphones, in particular to a headphone. [Background technology]
[0002] With the development of electronic technology, headphones have become very popular, and with continuous innovation, more interesting functions have been developed. In order to ensure long-term wearing comfort, there is now a type of headphone product on the market with an inclined central axis between the head bow and the earmuffs. However, when this product is stored, one side of the earmuff will protrude from the head bow, causing the earmuff to shake more easily when subjected to force, and even breaking the folding connection. [Contents of the utility model]
[0003] In order to solve the problem that the folded connection position of the existing foldable headphones is easy to shake and cause damage when stored, the utility model provides a headphone.
[0004] The solution to the technical problem of the utility model is to provide a headset, comprising a middle piece, a head bow fixedly connected to one end of the middle piece, and an earphone body rotatably connected to the other end of the middle piece; the earphone body comprises an earmuff and a connecting piece, one end of the connecting piece is rotatably connected to the middle piece, and the other end is connected to the earmuff, at least two first limiting protrusions are provided at one end of the connecting piece close to the middle piece, and at least two limiting grooves are provided on a side of the head bow close to the middle piece to cooperate with the first limiting protrusions, and when the headset is folded, the first limiting protrusion enters and abuts against the limiting groove.
[0005] Preferably, the surface of the first limiting protrusion is an arc-shaped surface, and the inner walls of the limiting groove on two opposite sides along the direction in which the first limiting protrusion enters the limiting groove are set to be arc-shaped.
[0006] Preferably, the middle piece includes a rotating end rotatably connected to the earphone body and a fixed plate connected to the head bow, and the surface of the fixed plate is provided with at least two through holes to cooperate with the first limiting protrusion, and the through holes are separated by a spacer column; when the headset is folded, the first limiting protrusion passes through the through hole and enters the limiting groove.
[0007] Preferably, the connecting member has a notch between two adjacent first limiting protrusions to cooperate with the spacer column.
[0008] Preferably, the fixing plate is an arc-shaped surface bent toward the direction close to the limiting groove, the side of the connecting member close to the fixing plate is an abutment portion, the surface of the abutment portion is also an arc-shaped surface corresponding to the fixing plate, and the abutment portion can slide freely relative to the fixing plate.
[0009] Preferably, a support column is laterally extended from one end of the fixing plate away from the rotating end toward the direction close to the connecting member, and a second limiting protrusion is provided at one end of the support column away from the fixing plate; when the headset is unfolded, the second limiting protrusion abuts against the first limiting protrusion.
[0010] Preferably, the surface of the second limiting protrusion is an arc-shaped surface.
[0011] Preferably, the earmuff includes a sound outlet portion, and a side of the earmuff opposite to the sound outlet portion is a circular protrusion, the connecting member includes a connecting rod and an arc-shaped arm connected to one end of the connecting rod, and the first limiting protrusion is arranged at an end of the connecting rod away from the arc-shaped arm; the arc-shaped arm is arranged around the circular protrusion, and the arc-shaped arm is divided into a first part and a second part by the connecting rod, and the length of the first part is smaller than the length of the second part.
[0012] Preferably, the central axis of the earphone body forms an inclination angle with the head bow, and the inclination angle ranges from 20° to 30°.
[0013] Preferably, a bow-shaped piece is arranged inside the head bow, and the bow-shaped piece supports the head bow.
[0014] Compared with the prior art, the headset of the present invention has the following advantages:
[0015] 1. The headset of the present invention comprises a middle piece, a head bow fixedly connected to one end of the middle piece, and an earphone body rotatably connected to the other end of the middle piece; the earphone body comprises an earmuff and a connecting piece, one end of the connecting piece is rotatably connected to the middle piece, and the other end is fixedly connected to the earmuff, at least two first limiting protrusions are provided at one end of the connecting piece close to the middle piece, and at least two limiting grooves are provided on the side of the head bow close to the middle piece to cooperate with the first limiting protrusion, when the headset is folded, the first limiting protrusion enters and abuts against the limiting groove; the present invention limits the first limiting protrusion on the earphone body by setting the limiting groove, and when the headset is folded, the first limiting protrusion enters the limiting groove, and the limiting groove will limit the left and right movement of the first limiting protrusion, that is, it prevents the excessive shaking of the earphone body after storage, protects the folding connection part, and prolongs the service life of the headset.
[0016] 2. The surface of the first limiting protrusion of the headset of the present invention is an arc-shaped surface, and the inner walls of the limiting groove on the opposite sides along the direction in which the first limiting protrusion enters the limiting groove are set to be arc-shaped; the first limiting protrusion and the inner wall of the limiting groove are set to be matched with each other. The purpose is to facilitate the first limiting protrusion to slide smoothly into the limiting groove when folding, thereby reducing unnecessary friction loss.
[0017] 3. The middle piece of the headset of the utility model includes a rotating end rotatably connected to the headset body and a fixing plate connected to the head bow, and at least two through holes are opened on the surface of the fixing plate to cooperate with the first limiting protrusion, and the through holes are separated by a spacer column; when the headset is folded, the first limiting protrusion passes through the through hole and enters the limiting groove; the spaced through holes and spacer columns can further limit the left and right movement of the first limiting protrusion, and further improve the stability of the folded connection position after folding.
[0018] 4. The connector of the headset of the present invention has a notch between two adjacent first limiting protrusions in cooperation with the spacing column; this arrangement is to allow the first limiting protrusion to smoothly pass through the through hole into the limiting groove.
[0019] 5. The fixing plate of the headset of the present invention is an arc-shaped surface bent in the direction close to the limiting groove, and the side of the connecting piece close to the fixing plate is an abutment portion, and the surface of the abutment portion is also an arc-shaped surface corresponding to the fixing plate, and the abutment portion can slide freely relative to the fixing plate; the purpose of providing the matching arc-shaped surfaces is to allow the connecting piece to rotate more smoothly relative to the middle piece, improve the stability of the folding process, and the arc-shaped surface design is more beautiful.
[0020] 6. The fixing plate of the headset of the present invention has a support column extending laterally from one end away from the rotating end toward the direction close to the connecting piece, and a second limiting protrusion is provided at one end of the support column away from the fixing plate; when the headset is unfolded, the second limiting protrusion abuts against the first limiting protrusion; this arrangement can keep the headset fixed when unfolded, which is convenient for users' daily use.
[0021] 7. The surface of the second limiting protrusion of the headset of the present invention is an arc-shaped surface, which cooperates with the arc-shaped surface of the first limiting protrusion to reduce mutual wear and tear and increase service life.
[0022] 8. The earmuff of the headset of the present invention includes a sound outlet, and the side of the earmuff opposite to the sound outlet is a circular protrusion. An arc-shaped arm is provided at one end of the connecting piece connected to the earmuff, and the arc-shaped arm is arranged around the circular protrusion. The arc-shaped arm is divided into a first part and a second part, and the length of the first part is smaller than the length of the second part; the central axis of the earphone body forms an inclined angle with the head bow, and the inclination angle ranges from 20° to 30°; the arc-shaped arm is divided into two parts, a long part and a short part, so that the central axis of the earphone body forms an inclined angle with the head bow, which can allow the user's head bow to be located at the back of the head when wearing, reduce the pressure of the head bow during wearing, and improve wearing comfort.
[0023] 9. The head bow of the headset of the present invention is provided with a bow-shaped piece inside the head bow, and the bow-shaped piece supports the head bow; by providing the bow-shaped piece inside the head bow, the bow-shaped piece can support the head bow, thereby improving the durability of the headset.
Brief Description of the Drawings
[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0025] Figure 1 It is a partial cutaway schematic diagram of the headset provided by the first embodiment of the utility model when unfolded.
[0026] Figure 2 It is a schematic diagram of the headset provided by the first embodiment of the utility model when folded.
[0027] Figure 3 yes Figure 1 A is an enlarged view of the middle image.
[0028] Figure 4 It is an exploded view of a part of the structure of the headset provided in the first embodiment of the present invention.
[0029] Figure 5 It is a schematic diagram of the middleware of the headphone provided by the first embodiment of the utility model.
[0030] Figure 6 It is a side view of the headset provided by the first embodiment of the utility model.
[0031] Description of the accompanying drawings:
[0032] 1. Wear headphones;
[0033] 10. Middleware; 11. Head bow; 12. Earphone body;
[0034] 100, rotating end; 101, fixing plate; 103, through hole; 104, spacer column; 105, support column; 110, limit groove; 111, bow-shaped piece; 112, pad; 120, earmuff; 121, connector;
[0035] 1040, second limiting protrusion; 1200, sound output portion; 1201, circular protrusion; 1202, control portion; 1210, first limiting protrusion; 1211, notch; 1212, abutment portion; 1213, arc-shaped arm; 1214, first portion; 1215, second portion; 1216, connecting rod. [Specific implementation method]
[0036] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and implementation examples. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0037] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0038] In the present invention, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inside", "outside", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings. These terms are mainly used to better describe the present invention and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.
[0039] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in this utility model can be understood according to specific circumstances.
[0040] In addition, the terms "installed", "set", "provided with", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.
[0041] See also Figures 1 to 5The headset 1 provided in the first embodiment of the present invention comprises a middle piece 10, a head bow 11 fixedly connected to one end of the middle piece 10, and an earphone body 12 rotatably connected to the other end of the middle piece 10; the earphone body 12 comprises an earmuff 120 and a connecting piece 121, one end of the connecting piece 121 is rotatably connected to the middle piece 10, and the other end is fixedly connected to the earmuff 120, at least two first limiting protrusions 1210 are provided at one end of the connecting piece 121 close to the middle piece 10, and the side of the head bow 11 close to the middle piece 10 cooperates with the first limiting protrusion 1210 At least two limiting grooves 110 are provided. When the headphone 1 is folded, the first limiting protrusion 1210 enters and abuts against the limiting groove 110. The utility model limits the first limiting protrusion 1210 located on the earphone body 12 by providing the limiting groove 110. When the headphone 1 is folded, the first limiting protrusion 1210 enters the limiting groove 110. The limiting groove 110 limits the left and right movement of the first limiting protrusion 1210, thereby preventing excessive shaking of the earphone body 12 after storage, protecting the folding connection part, and extending the service life of the headphone 1.
[0042] For further information, please refer to Figure 4 The surface of the first limiting protrusion 1210 is an arc-shaped surface, and the inner walls of the limiting groove 110 on the opposite sides along the direction in which the first limiting protrusion 1210 enters the limiting groove 110 are set to be arc-shaped; the first limiting protrusion 1210 and the inner walls of the limiting groove 110 are set to cooperate with each other to facilitate the first limiting protrusion 1210 to slide smoothly into the limiting groove 110 during folding, thereby reducing unnecessary friction loss.
[0043] Furthermore, the middle piece 10 includes a rotating end 100 rotatably connected to the earphone body 12 and a fixing plate 101 connected to the head bow 11, and the surface of the fixing plate 101 cooperates with the first limiting protrusion 1210 to have at least two through holes 103, and the through holes 103 are separated by a spacer column 104; when the headphone 1 is folded, the first limiting protrusion 1210 passes through the through hole 103 and enters the limiting groove 110; the spaced through holes 103 and the spacer column 104 can further limit the left and right movement of the first limiting protrusion 1210, thereby further improving the stability of the folded connection position after folding.
[0044] Furthermore, please combine Figures 3 to 5 The connecting member 121 has a notch 1211 between two adjacent first limiting protrusions 1210 to cooperate with the spacing column 104; this setting is to allow the first limiting protrusion 1210 to smoothly pass through the through hole 103 and enter the limiting groove 110.
[0045] Furthermore, the fixed plate 101 is an arc-shaped surface bent in the direction close to the limiting groove 110, and the side of the connecting member 121 close to the fixed plate 101 is an abutment portion 1212, and the surface of the abutment portion 1212 is also an arc-shaped surface corresponding to the fixed plate 101, and the abutment portion 1212 can slide freely relative to the fixed plate 101; the purpose of providing the matching arc-shaped surfaces is to allow the connecting member 121 to rotate more smoothly relative to the middle member 10, thereby improving the stability of the folding process, and the arc-shaped surface design is more beautiful.
[0046] Furthermore, a support column 105 is laterally extended from one end of the fixing plate 101 away from the rotating end 100 toward the direction close to the connecting member 121, and a second limiting protrusion 1040 is provided at one end of the supporting column 105 away from the fixing plate 101; when the headphone 1 is unfolded, the second limiting protrusion 1040 abuts against the first limiting protrusion 1210; this arrangement enables the headphone 1 to remain fixed when unfolded, which is convenient for the user's daily use.
[0047] It can be understood that the second limiting protrusion 1040 and / or the first limiting protrusion 1210 and / or the support column 105 can be made of elastic material to ensure that when the headphone 1 is unfolded, the second limiting protrusion 1040 can abut against the first limiting protrusion 1210 to limit the first limiting protrusion 1210.
[0048] For further information, please refer to Figure 3 and Figure 4 The surface of the second limiting protrusion 1040 is an arc-shaped surface, which cooperates with the arc-shaped surface of the first limiting protrusion 1210 to reduce mutual wear and improve service life.
[0049] Furthermore, please combine Figure 2 , Figure 4 and Figure 6 The earmuff 120 includes a sound outlet 1200, a circular protrusion 1201 is formed on one side of the earmuff 120 opposite to the sound outlet 1200, the connecting member 121 includes a connecting rod 1216 and an arc-shaped arm 1213 connected to one end of the connecting rod 1216, and a first limiting protrusion 1210 is arranged at an end of the connecting rod 1216 away from the arc-shaped arm 1213; the arc-shaped arm 1213 is arranged around the circular protrusion 1201, and the arc-shaped arm 1213 is divided into a first part 1214 and a second part 1215 by the connecting rod 1216, and the length of the first part 1214 is less than the length of the second part 1215; the central axis L (such as Figure 6 L) and the direction M of the head arch 11 (as shown in Figure 6 M) forms an inclination angle α (as shown in Figure 6α shown in the figure), the inclination angle α ranges from 20° to 30°; preferably, the inclination angle α is 25°; the arc arm 1213 is divided into two parts, a long part and a short part, so that the central axis of the earphone body 12 forms an inclination angle with the head bow 11, which can allow the user to place the head bow 11 at the back of the head when wearing it, reduce the pressure of the head bow 11 when wearing, and improve wearing comfort.
[0050] Specifically, a control unit 1202 is also provided on the outer edge of the sound output unit 1200, which can specifically control the volume, song switching and other functions of the headphone 1.
[0051] For details, please refer to Figure 1 The outer wall of the head bow 11 is also provided with a pad 112. Optionally, the inside of the pad 112 can be filled with soft cotton to enhance wearing comfort.
[0052] For further information, please refer to Figure 4 A bow-shaped piece 111 is arranged inside the head bow 11, and the bow-shaped piece 111 supports the head bow 11; by arranging the bow-shaped piece 111 inside the head bow 11, the bow-shaped piece 111 can support the head bow 11, thereby improving the durability of the headphone 1.
[0053] It is understandable that since the head bow body is generally made of plastic material, the longer the head bow 11 is used, the more likely it is to break. Therefore, a bow piece 111 can be clamped inside the head bow 11 so that both ends of the bow piece 111 can extend to the position connected to the middle piece 10, thereby providing support for the head bow 11 in more areas, avoiding the situation where the head bow 11 breaks as the headset 1 is used for a longer time, thereby improving the durability of the headset 1. In this embodiment, preferably, the bow piece 111 can be a metal bow piece, which is stronger and more durable, has better stability, is not easy to wear, and has a longer service life.
[0054] Compared with the prior art, the headset of the present invention has the following advantages:
[0055] 1. The headset of the present invention comprises a middle piece, a head bow fixedly connected to one end of the middle piece, and an earphone body rotatably connected to the other end of the middle piece; the earphone body comprises an earmuff and a connecting piece, one end of the connecting piece is rotatably connected to the middle piece, and the other end is fixedly connected to the earmuff, at least two first limiting protrusions are provided at one end of the connecting piece close to the middle piece, and at least two limiting grooves are provided on the side of the head bow close to the middle piece to cooperate with the first limiting protrusion, when the headset is folded, the first limiting protrusion enters and abuts against the limiting groove; the present invention limits the first limiting protrusion on the earphone body by setting the limiting groove, and when the headset is folded, the first limiting protrusion enters the limiting groove, and the limiting groove will limit the left and right movement of the first limiting protrusion, that is, it prevents the excessive shaking of the earphone body after storage, protects the folding connecting piece, and prolongs the service life of the headset.
[0056] 2. The surface of the first limiting protrusion of the headset of the present invention is an arc-shaped surface, and the inner walls of the limiting groove on the opposite sides along the direction in which the first limiting protrusion enters the limiting groove are set to be arc-shaped; the first limiting protrusion and the inner wall of the limiting groove are set to be matched with each other. The purpose is to facilitate the first limiting protrusion to slide smoothly into the limiting groove when folding, thereby reducing unnecessary friction loss.
[0057] 3. The middle piece of the headset of the utility model includes a rotating end rotatably connected to the headset body and a fixing plate connected to the head bow, and at least two through holes are opened on the surface of the fixing plate to cooperate with the first limiting protrusion, and the through holes are separated by a spacer column; when the headset is folded, the first limiting protrusion passes through the through hole and enters the limiting groove; the spaced through holes and spacer columns can further limit the left and right movement of the first limiting protrusion, and further improve the stability of the folded connection position after folding.
[0058] 4. The connector of the headset of the present invention has a notch between two adjacent first limiting protrusions in cooperation with the spacing column; this arrangement is to allow the first limiting protrusion to smoothly pass through the through hole into the limiting groove.
[0059] 5. The fixing plate of the headset of the present invention is an arc-shaped surface bent in the direction close to the limiting groove, and the side of the connecting piece close to the fixing plate is an abutment portion, and the surface of the abutment portion is also an arc-shaped surface corresponding to the fixing plate, and the abutment portion can slide freely relative to the fixing plate; the purpose of providing the matching arc-shaped surfaces is to allow the connecting piece to rotate more smoothly relative to the middle piece, improve the stability of the folding process, and the arc-shaped surface design is more beautiful.
[0060] 6. The fixing plate of the headset of the present invention has a support column extending laterally from one end away from the rotating end toward the direction close to the connecting piece, and a second limiting protrusion is provided at one end of the support column away from the fixing plate; when the headset is unfolded, the second limiting protrusion abuts against the first limiting protrusion; this arrangement can keep the headset fixed when unfolded, which is convenient for users' daily use.
[0061] 7. The surface of the second limiting protrusion of the headset of the present invention is an arc-shaped surface, which cooperates with the arc-shaped surface of the first limiting protrusion to reduce mutual wear and tear and increase service life.
[0062] 8. The earmuff of the headset of the present invention includes a sound outlet, and one side of the earmuff opposite to the sound outlet is a circular protrusion. An arc-shaped arm is provided at one end of the connecting piece connected to the earmuff, and the arc-shaped arm is arranged around the circular protrusion. The arc-shaped arm is divided into a first part and a second part, and the length of the first part is smaller than the length of the second part; the central axis of the earphone body forms an inclined angle with the head bow, and the inclination angle ranges from 20° to 30°; the arc-shaped arm is divided into two parts, one long and one short, so that the central axis of the earphone body forms an inclined angle with the head bow, which can allow the user's head bow to be located at the back of the head when wearing, reduce the pressure of the head bow during wearing, and improve wearing comfort.
[0063] 9. The head bow of the headset of the present invention is provided with a bow-shaped piece inside the head bow, and the bow-shaped piece supports the head bow; by providing the bow-shaped piece inside the head bow, the bow-shaped piece can support the head bow, thereby improving the durability of the headset.
[0064] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A headset, characterized in that: The headset includes a middle piece, a head bow fixedly connected to one end of the middle piece, and an earphone body rotatably connected to the other end of the middle piece; the earphone body includes an earmuff and a connecting piece, one end of the connecting piece is rotatably connected to the middle piece, and the other end is connected to the earmuff, at least two first limiting protrusions are provided at one end of the connecting piece close to the middle piece, and at least two limiting grooves are provided on a side of the head bow close to the middle piece to cooperate with the first limiting protrusions, and when the headset is folded, the first limiting protrusion enters and abuts against the limiting groove.
2. The headset according to claim 1, characterized in that: The surface of the first limiting protrusion is an arc-shaped surface, and the inner walls of the limiting groove on two opposite sides along the direction in which the first limiting protrusion enters the limiting groove are set to be arc-shaped.
3. The headset according to claim 1, wherein: The middle piece includes a rotating end rotatably connected to the earphone body and a fixing plate connected to the head bow, the fixing plate cooperates with the first limiting protrusion to open at least two through holes, and the through holes are separated by a spacer column; when the headphone is folded, the first limiting protrusion passes through the through hole and enters the limiting groove.
4. The headphone according to claim 3, characterized in that: The connecting member has a notch between two adjacent first limiting protrusions to cooperate with the spacing column.
5. The headphone according to claim 3, characterized in that: The surface of the fixing plate is an arc-shaped surface bent toward the direction close to the limiting groove, and the side of the connecting member close to the fixing plate is an abutment portion, and the surface of the abutment portion is also an arc-shaped surface corresponding to the fixing plate, and the abutment portion can slide freely relative to the fixing plate.
6. The headphone according to claim 3, characterized in that: A support column is laterally extended from one end of the fixing plate away from the rotating end toward the connecting member, and a second limiting protrusion is provided at one end of the supporting column away from the fixing plate; when the headset is unfolded, the second limiting protrusion abuts against the first limiting protrusion.
7. The headphone according to claim 6, characterized in that: The surface of the second limiting protrusion is an arc-shaped surface.
8. The headphone according to claim 1, wherein: The earmuff includes a sound outlet portion, and a side of the earmuff opposite to the sound outlet portion is a circular protrusion. The connecting member includes a connecting rod and an arc-shaped arm connected to one end of the connecting rod, and the first limiting protrusion is arranged at an end of the connecting rod away from the arc-shaped arm; the arc-shaped arm is arranged around the circular protrusion, and the arc-shaped arm is divided into a first part and a second part by the connecting rod, and the length of the first part is smaller than the length of the second part.
9. The headphone according to claim 8, characterized in that: The central axis of the earphone body forms an inclination angle with the direction of the head arch bulge, and the inclination angle ranges from 20° to 30°.
10. The headphone according to claim 1, wherein: A bow-shaped piece is arranged inside the head bow, and the bow-shaped piece supports the head bow.