Connection structure, earphone, and earphone system

Abstract

A connection structure (10), comprising a functional box (11), a member to be connected (13) and an anti-release member (15). A box body (111) of the functional box (11) is provided with a connecting portion (1111), and an insertion hole (1113) of the connecting portion (1111) is used for inserting the member to be connected (13). The member to be connected (13) is provided with a protrusion (132) abutting against a side wall of the functional box (11). The anti-release member (15) is located in a mounting cavity (115) of the functional box (11), and the anti-release member (15) is connected to the functional box (11) and the member to be connected (13).

Description

Connection structure, headphones, and headphone system Technical Field

[0001] This application relates to the field of headphone technology, and more specifically, to a connection structure, headphones, and headphone system. Background Technology

[0002] The headphone's functional box assembly typically includes a control box assembly and a battery box assembly. One end of the functional box assembly connects to the ear hook, and the other end connects to the back hook. Currently, anti-detachment devices that secure the two parts (functional box assembly and ear hook, or functional box assembly and back hook) are usually located on the outside of the functional box. The anti-detachment device extends from the outside of the functional box into the inside to secure the functional box assembly to the back hook, and / or the functional box assembly to the ear hook. In this case, a certain gap exists between the anti-detachment device and the functional box, allowing external liquids to easily enter the functional box through this gap, which can affect the normal operation of the mainboard compartment inside the functional box.

[0003] Summary of the Invention

[0004] This application provides a connection structure, headphones, and a headphone system.

[0005] The connection structure of this embodiment includes a functional box, a component to be connected, and an anti-detachment component. The functional box includes a box body and a cover. The cover is installed on the box body and together with the box body forms an installation cavity. At least one end of the box body has a connecting portion with a through insertion hole for communicating with the outside and the installation cavity. The component to be connected is connected to the functional box. The insertion hole allows the component to be inserted. The component to be connected has a protrusion that abuts against the side wall of the functional box. The anti-detachment component is located within the installation cavity and connects the functional box and the component to be connected, thus securing them together.

[0006] In some embodiments, the connecting part is further provided with a connecting hole, which is located in the mounting cavity and communicates with the insertion hole. The component to be connected is provided with a mating hole, which corresponds to the connecting hole. The anti-detachment component passes through the connecting hole and the mating hole to connect the functional box to the component to be connected.

[0007] In some embodiments, the extension direction of the connecting hole is different from the extension direction of the plug hole.

[0008] In some embodiments, the extension direction of the connecting hole is perpendicular to the extension direction of the plug hole.

[0009] In some embodiments, the insertion hole penetrates through two opposite sidewalls of the connecting portion, the connecting hole penetrates through the top wall of the connecting portion, and the two ends of the top wall connect to the two sidewalls.

[0010] In some embodiments, at least a portion of the component to be connected extends into the mounting cavity, and the anti-detachment component is disposed at one end of the component to be connected located in the mounting cavity. The anti-detachment component cooperates with the side wall of the connecting portion to connect the functional box to the component to be connected.

[0011] In some embodiments, the anti-detachment component is a hook that engages with the side wall of the connecting portion.

[0012] In some embodiments, the component to be connected includes an expansion bolt, which is inserted into the insertion hole and engages with the side wall of the insertion hole. An anti-disengagement component is provided at one end of the expansion bolt located in the mounting cavity. The anti-disengagement component is a hook that engages with the side wall of the connecting part.

[0013] In some embodiments, the cover and the box are connected by adhesive bonding.

[0014] In some embodiments, one of the box body or the cover body is provided with at least two first protrusions spaced apart, the first protrusions are arranged in a ring shape, and a first adhesive groove is formed between two adjacent first protrusions. The other of the box body or the cover body is provided with a second protrusion that mates with the first adhesive groove, and the second protrusion and the first adhesive groove are in a concave-convex fit.

[0015] In some embodiments, one of the box body or the cover body is provided with at least two third protrusions spaced apart, the third protrusions being arranged in a ring shape, and a second adhesive groove being formed between two adjacent third protrusions; the other of the box body or the cover body is provided with at least two fourth protrusions spaced apart, the fourth protrusions being arranged in a ring shape, and a third adhesive groove being formed between two adjacent fourth protrusions; one of the third protrusions can be engaged with the third adhesive groove, and one of the fourth protrusions can be engaged with the second adhesive groove.

[0016] In some embodiments, in the thickness direction of the functional box, the height of the third protrusion near the mounting cavity is lower than the height of the third protrusion away from the mounting cavity.

[0017] In some embodiments, in the thickness direction of the functional box, the height of the fourth protrusion near the mounting cavity is lower than the height of the fourth protrusion away from the mounting cavity.

[0018] In some embodiments, in the thickness direction of the functional box, the height of the third protrusion near the mounting cavity is lower than the height of the third protrusion away from the mounting cavity; the height of the fourth protrusion near the mounting cavity is lower than the height of the fourth protrusion away from the mounting cavity.

[0019] In some embodiments, the functional box includes a battery box for holding batteries and / or a control box with control functions.

[0020] In some implementations, the component to be connected includes the ear hooks and / or the back hooks of the headphones.

[0021] In some embodiments, the component to be connected includes a sleeve and a mounting portion. The sleeve includes a sleeve body and a protrusion at one end of the sleeve body. An annular seal is formed on the outer side of the protrusion. The protrusion extends into the insertion hole, and the seal abuts against the inner wall of the insertion hole. The mounting portion passes through the insertion hole. One end of the mounting portion located within the mounting cavity is connected to the functional box via the anti-detachment component. The other end of the mounting portion located outside the mounting cavity extends into the protrusion to connect with the sleeve body. The protrusion is fitted onto the outer wall of the mounting portion.

[0022] In some embodiments, the seal includes a plurality of seals, which are arranged at intervals along the extension direction of the protrusion.

[0023] In some embodiments, the seal is a closed annular structure.

[0024] In some embodiments, the seal is an intermittent annular structure.

[0025] The earphones in this application include the connection structure described in the above embodiments.

[0026] In some embodiments, the headphones include bone conduction headphones or air conduction headphones.

[0027] The headphone system of this application includes the headphones and charging case described in the above embodiments, wherein the charging case is used to charge the headphones.

[0028] In the connection structure, earphone, and earphone system of this application embodiment, the component to be connected extends into the insertion hole to connect with the functional box. An anti-detachment component is located within the mounting cavity. This component further secures the connection between the functional box and the component to be connected, effectively preventing the component from detaching from the functional box. Compared to current connection structures, in this application's connection structure, the anti-detachment component does not need to penetrate the functional box to securely connect the functional box and the component to be connected. External liquids will not enter the mounting cavity through the gap between the anti-detachment component and the functional box. The connection structure has better waterproofing, effectively preventing external liquids from entering the mounting cavity and affecting the normal operation of the mainboard compartment within the functional box.

[0029] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0030] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, wherein:

[0031] Figure 1 is a perspective view of an earphone according to some embodiments of this application;

[0032] Figure 2 is a three-dimensional schematic diagram of a portion of the connection structure in the earphone in Figure 1;

[0033] Figure 3 is a three-dimensional exploded view of the connection structure in Figure 2;

[0034] Figure 4 is a cross-sectional view of the connection structure in Figure 2 along line IV-IV;

[0035] Figure 5 is a cross-sectional view of the connection structure in Figure 2 along line VV.

[0036] Figure 6 is a perspective view of a headphone system according to certain embodiments of this application.

[0037] Explanation of key component symbols:

[0038] 1000, Headphone system; 100, Headphone; 300, Charging case; 10, Connection structure; 11, Function box; 111, Case body; 1111, Connecting part; 1113, Insertion hole; 1115, Connection hole; 1117, First protrusion; 1119, First adhesive groove; 113, Cover; 1131, Second protrusion; 1133, Third adhesive groove; 115, Mounting cavity; 117, Battery box; 119, Control box; 13, Part to be connected; 131, Mating hole; 132, Protrusion; 133, Sleeve; 1331, Sleeve body; 1333, Protrusion; 1335, Sealing element; 135, Mounting part; 137, Ear hook; 139, Back hook; 15, Anti-detachment element; 30, Transducer assembly. Detailed Implementation

[0039] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0040] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0041] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0042] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0043] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0044] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0045] The headphone's functional box assembly typically includes a control box assembly and a battery box assembly. One end of the functional box assembly is connected to the ear hook, and the other end is connected to the back hook. Currently, anti-detachment components that secure the two parts (functional box assembly and ear hook, or functional box assembly and back hook) are usually located on the outside of the functional box. The anti-detachment component extends from the outside of the functional box into the inside of the functional box to secure the functional box assembly to the back hook, and / or the functional box assembly to the ear hook. In this case, a certain gap exists between the anti-detachment component and the functional box, allowing external liquid to easily enter the functional box through this gap, which can affect the normal operation of the mainboard compartment inside the functional box. To solve this problem, embodiments of this application provide a connection structure 10 (shown in FIG. 2), a headphone 100 (shown in FIG. 1), and a headphone system 1000 (shown in FIG. 6).

[0046] Referring to Figure 1, the earphone 100 of this embodiment includes a connection structure 10. In some embodiments, the earphone 100 includes a bone conduction earphone 100 or an air conduction earphone 100.

[0047] Among them, the bone conduction headphones 100 use the human skeleton as a medium. The bone conduction headphones 100 convert sound into mechanical vibrations, which are transmitted through the bones to allow the user to hear. Since the sound from the bone conduction headphones 100 acts on the bones, long-term use will not significantly affect the user's eardrum, effectively protecting the user's hearing. The air conduction headphones 100 transmit sound through air vibrations, offering better sound quality and penetration. This application uses the bone conduction headphones 100 as an example for explanation.

[0048] Please refer to Figures 2 and 3. The connection structure 10 of this embodiment includes a functional box 11, a component to be connected 13, and an anti-detachment component 15. The functional box 11 includes a box body 111 and a cover 113. The cover 113 is installed on the box body 111 and together with the box body 111, forms an installation cavity 115. At least one end of the box body 111 is provided with a connecting portion 1111. The connecting portion 1111 is provided with a through insertion hole 1113, which is used to communicate with the outside world and the installation cavity 115. The component to be connected 13 is connected to the functional box 11. The insertion hole 1113 is used for inserting the component to be connected 13. The component to be connected 13 is provided with a protrusion 132, which abuts against the side wall of the functional box 11. The anti-detachment component 15 is located in the installation cavity 115 and is used to connect the functional box 11 and the component to be connected 13, so that the functional box 11 and the component to be connected 13 are fixedly connected.

[0049] Specifically, referring to Figure 1, in some embodiments, the function box 11 includes a battery box 117 for holding batteries and / or a control box 119 with control functions. In some embodiments, the function box 11 includes a control box 119. The control box 119 can be used to control the power on and off of the headphones 100 and adjust the volume of the headphones 100. In some embodiments, the function box 11 includes a battery box 117. The battery box 117 is used to hold batteries, which power the headphones 100 so that the headphones 100 can function normally. The function box 11 of this application may include a battery box 117 and a control box 119.

[0050] Referring to Figure 3, the mounting cavity 115 is used to house components such as the battery and circuit board of the earphone 100. The housing 111 and the cover 113 are detachably connected. With the cover 113 removed from the housing 111, it facilitates the installation of components such as the battery and circuit board of the earphone 100 into the mounting cavity 115, and also facilitates the maintenance and replacement of these components. When the cover 113 is installed on the housing 111, the housing 111 and the cover 113 together protect the components inside the mounting cavity 115, effectively preventing external dust and moisture from entering the mounting cavity 115 and damaging the components inside.

[0051] In some embodiments, the cover 113 and the housing 111 are connected by adhesive. Preferably, the cover 113 and the housing 111 are bonded together using a waterproof adhesive. In this case, the connection between the housing 111 and the cover 113 is more stable, the cover 113 is less likely to detach from the housing 111, and the waterproof effect between the housing 111 and the cover 113 is better, preventing external liquids from easily entering the mounting cavity 115 through the gap between the housing 111 and the cover 113. When the earphone 100 is a swimming earphone 100, when the earphone 100 is working underwater, external water is also less likely to enter the mounting cavity 115 through the gap between the housing 111 and the cover 113, effectively preventing external liquids from affecting the normal operation of the components inside the mounting cavity 115. The waterproof adhesive can be, but is not limited to, polyurethane waterproof adhesive, nano-silicone waterproof adhesive, acrylic waterproof adhesive, or ethylene-vinyl acetate copolymer waterproof adhesive, etc.

[0052] Please refer to Figures 3 and 4. The connector 13 is used to extend into the insertion hole 1113 to connect with the functional box 11. A protrusion 132 is provided on the peripheral wall of the connector 13. When at least a portion of the connector 13 extends into the insertion hole 1113 and is installed in place with the functional box 11, the protrusion 132 abuts against the side wall of the functional box 11. The protrusion 132 serves to position the connector 13 during installation, effectively preventing problems such as incomplete or excessive installation. Furthermore, when the protrusion 132 is in close contact with the side wall of the functional box 11, it also prevents external liquids from entering the insertion hole 1113 through the gap between the protrusion 132 and the side wall of the functional box 11.

[0053] In some embodiments, the connector 13 includes ear hooks 137 and / or back hooks 139 of the earphone 100. When a user wears the earphone 100, the back hook 139 is worn on the head, and the ear hooks 137 are worn behind the ears, thereby improving the stability of the earphone 100 and preventing it from easily falling off when the user is outdoors or exercising. The back hook 139 is used to connect the battery box 117 and the control box 119. The earphone 100 also includes a transducer assembly 30. The ear hooks 137 are used to connect the battery box 117 and the transducer assembly 30, and to connect the control box 119 and the transducer assembly 30. The transducer assembly 30 is designed to fit in contact with the skin of the human body. When the earphone 100 is in use, the transducer assembly 30 can make the user hear sound through mechanical vibration.

[0054] When the component to be connected 13 is the ear hook 137 or the back hook 139 of the earphone 100, the housing 111 has a connecting portion 1111 at one end in the longitudinal direction X of the functional box 11. The connecting portion 1111 is used to connect with the component to be connected 13, so that the functional box 11 and the component to be connected 13 can be stably connected. When the component to be connected 13 includes the ear hook 137 and the back hook 139 of the earphone 100, the ear hook 137 and the back hook 139 are respectively connected to the opposite ends of the functional box 11 in the longitudinal direction X. In this case, the housing 111 has a connecting portion 1111 at both opposite ends in the longitudinal direction X of the functional box 11.

[0055] Please refer to Figures 3 and 4. The anti-detachment component 15 is located within the mounting cavity 115 and connected to the connecting part 1111. The anti-detachment component ensures a more secure connection between the functional box 11 and the component to be connected 13, effectively preventing the component to be connected 13 from detaching from the functional box 11. In current connection structures 10, the anti-detachment component 15 typically extends from the outside of the functional box 11 into the mounting cavity 115 to connect the functional box 11 and the component to be connected 13. To enhance the waterproof function of the connection structure 10, the outer surface of the functional box 11 is coated with adhesive. Adhesive coating increases the cost of the connection structure 10 and affects its overall appearance. In this application, the anti-detachment component 15 is located within the mounting cavity 115, thus eliminating the need to drill holes on the surface of the functional box 11 to install the anti-detachment component 15. External liquids are less likely to enter the mounting cavity 115, effectively preventing external liquids from affecting the normal operation of the components within the mounting cavity 115. Furthermore, the functional box 11 of this application does not require surface coating with glue, which can save material costs of the connecting structure 10, simplify the installation steps of the connecting structure 10, and also improve the aesthetics of the functional box 11.

[0056] In the connection structure 10 of this application embodiment, the component to be connected 13 extends into the insertion hole 1113 to connect with the functional box 11. The anti-detachment component 15 is located in the mounting cavity 115. The anti-detachment component 15 is used to further secure the connection between the functional box 11 and the component to be connected 13, which can effectively prevent the component to be connected 13 from falling off relative to the functional box 11. Compared with the current connection structure 10, in the connection structure 10 of this application, the anti-detachment component 15 does not need to pass through the functional box 11 to securely connect the functional box 11 and the component to be connected 13. External liquid will not enter the mounting cavity 115 from the gap between the anti-detachment component 15 and the functional box 11. The connection structure 10 has a better waterproof effect, which can effectively prevent external liquid from entering the mounting cavity 115 and affecting the normal operation of the motherboard compartment in the functional box 11.

[0057] The connection structure 10 will be further explained below with reference to the accompanying drawings.

[0058] Please refer to Figures 3 and 4. In some embodiments, the connecting part 1111 is also provided with a connecting hole 1115. The connecting hole 1115 is located in the mounting cavity 115 and communicates with the insertion hole 1113. The component to be connected 13 is provided with a mating hole 131, which corresponds to the connecting hole 1115. The anti-detachment component 15 passes through the connecting hole 1115 and the mating hole 131 to connect the functional box 11 to the component to be connected 13.

[0059] The connecting hole 1115 is located on the side wall of the connecting portion 1111. In this embodiment, the anti-detachment component 15 can be a screw or a threaded rod. During the installation of the connecting structure 10, the cover 113 can first separate from the box 111. When the component to be connected 13 enters the connecting portion 1111 through the insertion hole 1113, and the connecting hole 1115 corresponds to the mating hole 131, the anti-detachment component 15 can sequentially extend into the connecting hole 1115 and the mating hole 131, so that the functional box 11 and the component to be connected 13 are securely connected. The anti-detachment component 15 effectively prevents the component to be connected 13 from moving away from the functional box 11. After the anti-detachment component 15 extends into the connecting hole 1115 and the mating hole 131, the cover 113 can be bonded to the box 111 with waterproof adhesive, thereby improving the waterproof effect of the connecting structure 10 and preventing external liquids from easily entering the mounting cavity 115.

[0060] The anti-detachment part is provided with a connecting hole 1115 and a mating hole 131 so that when the functional box 11 is connected to the part to be connected 13, the connection method between the functional box 11 and the part to be connected 13 is relatively simple, and only holes need to be opened on the functional box 11 and the part to be connected 13. The structure of the functional box 11 and the part to be connected 13 is relatively simple, the processing is relatively easy, and the connection between the functional box 11 and the part to be connected 13 is also relatively stable.

[0061] Referring to Figures 3 and 4, in some embodiments, the extending direction of the connecting hole 1115 is different from the extending direction of the insertion hole 1113. In this case, the extending direction of the connecting hole 1115 intersects with the extending direction of the insertion hole 1113. For example, the included angle between the extending direction of the connecting hole 1115 and the extending direction of the insertion hole 1113 can be 30°, 50°, 65°, or 90°, etc.

[0062] The extending direction of the mating hole 131 is the same as that of the connecting hole 1115, thus facilitating the passage of the anti-detachment member 15 through the connecting hole 1115 and the mating hole 131. The extending direction of the insertion hole 1113 is the direction in which the component to be connected 13 extends into the connecting portion 1111, and the extending directions of the connecting hole 1115 and the mating hole 131 are the directions in which the anti-detachment member 15 is inserted into the connecting portion 1111 and the component to be connected 13. When the direction in which the component to be connected 13 extends into the connecting portion 1111 is different from the direction in which the anti-detachment member 15 is inserted into the connecting portion 1111, the anti-detachment member 15 can lock the function box 11 and the component to be connected 13, effectively preventing the component to be connected 13 from moving away from the connecting portion 1111. When the user uses the earphone 100, the ear hook 137 and / or the back hook 139 are less likely to fall off relative to the function box 11.

[0063] Referring to Figures 3 and 4, preferably, in some embodiments, the extending direction of the connecting hole 1115 is perpendicular to the extending direction of the insertion hole 1113, that is, the angle between the extending direction of the connecting hole 1115 and the extending direction of the insertion hole 1113 is 90°. In this case, the anti-detachment component 15 can make the connection between the functional box 11 and the component to be connected 13 more stable, and can further effectively prevent the component to be connected 13 from moving away from the connecting part 1111. Moreover, the processing of the connecting hole 1115 and the insertion hole 1113 is also relatively simple.

[0064] In some embodiments, where the extending direction of the connecting hole 1115 is perpendicular to the extending direction of the insertion hole 1113, the insertion hole 1113 penetrates through two opposite sidewalls of the connecting portion 1111, and the connecting hole 1115 penetrates through the top wall of the connecting portion 1111, with both ends of the top wall connected to the two sidewalls. The connecting portion 1111 includes two opposing sidewalls in the length direction X of the functional box 11, and two opposing top walls in the thickness direction Y of the functional box 11. The component to be connected 13 extends into the insertion hole 1113 along the length direction X of the functional box 11, and the anti-detachment component 15 passes through the connecting hole 1115 and the mating hole 131 along the thickness direction Y of the functional box 11, so that the functional box 11 and the component to be connected 13 are fixedly connected.

[0065] Referring to Figures 3 and 4, in some embodiments, at least a portion of the component 13 to be connected extends into the mounting cavity 115. An anti-detachment member 15 is located at the end of the component 13 within the mounting cavity 115. The anti-detachment member 15 engages with the side wall of the connecting portion 1111 to connect the functional box 11 to the component 13. Specifically, in some embodiments, the anti-detachment member 15 is a latch that engages with the side wall of the connecting portion 1111.

[0066] In this configuration, the anti-detachment component 15 is connected to one end of the component 13 to be connected. In this case, the anti-detachment component 15 and the component 13 to be connected can be an integral structure or separate structures. When the anti-detachment component 15 and the component 13 to be connected are an integral structure, they can be integrally formed, the processing steps of the connecting structure 10 are relatively simple, and the connection between the anti-detachment component 15 and the component 13 to be connected is relatively stable. When the anti-detachment component 15 and the component 13 to be connected are separate structures, they can be detachably or non-detachably connected. Detachable installation methods include, but are not limited to, threaded connections, screw connections, or snap-fit ​​connections. Non-detachable installation methods include, but are not limited to, welding, gluing, or interference fits.

[0067] When the component to be connected 13 is inserted into the insertion hole 1113, the component to be connected 13 can drive the anti-detachment component 15 to extend into the insertion hole 1113 together. When the component to be connected 13 is inserted into the correct position, the anti-detachment component 15 can extend into the mounting cavity 115. If the anti-detachment component 15 is a hook, the hook can abut against the side wall of the connecting part 1111. At this time, the cooperation between the anti-detachment component 15 and the side wall of the connecting part 1111 can effectively restrict the component to be connected 13 from moving away from the functional box 11.

[0068] When the anti-detachment component 15 is a hook that connects to the component 13 to be connected, the hook can extend into the insertion hole 1113 together with the component 13 to be connected. When the component 13 to be connected is installed in place, the hook is also installed in place (the hook engages with the side wall of the connecting part 1111). There is no need to install the anti-detachment component 15 separately. The installation of the anti-detachment component 15 is relatively simple, and the installation steps of the connecting structure 10 are also relatively simple.

[0069] Please refer to Figures 3 and 4. In some embodiments, the component to be connected 13 includes an expansion bolt, which is inserted into the insertion hole 1113 and engages with the side wall of the insertion hole 1113. An anti-disengagement component 15 is provided at one end of the expansion bolt located in the mounting cavity 115. The anti-disengagement component 15 is a hook that engages with the side wall of the connecting part 1111.

[0070] When the connecting part 13 is an expansion bolt, after the connecting part 13 is inserted into the insertion hole 1113, the hook can be inserted into the mounting cavity 115 to engage with the side wall of the connecting part 1111. At this time, the connecting part 13 can be tightly abutted against the side wall (connecting part 1111) of the insertion hole 1113. The friction between the connecting part 13 and the side wall of the insertion hole 1113 is large, the connection between the connecting part 13 and the functional box 11 is tighter, the connecting part 13 is not easy to move away from the functional box 11, and the connecting part 13 is not easy to fall off relative to the functional box 11.

[0071] In other embodiments, the anti-detachment component 15 may include a screw passing through the connecting hole 1115 and the mating hole 131, and a hook connected to one end of the component 13 to be connected. In this case, when the anti-detachment component 15 connects the functional box 11 and the component 13 to be connected, the connection between the functional box 11 and the component 13 to be connected is more secure, and the problem of the component 13 to be connected detaching from the functional box 11 can be further avoided.

[0072] Please refer to Figures 3 and 5. In some embodiments, at least two first protrusions 1117 are provided at intervals on one of the box body 111 or the cover body 113. The first protrusions 1117 are arranged in a ring shape, and a first adhesive groove 1119 is formed between two adjacent first protrusions 1117. The other of the box body 111 or the cover body 113 is provided with a second protrusion 1131 that mates with the first adhesive groove 1119. The second protrusion and the first adhesive groove 1119 are in a concave-convex fit.

[0073] The number of first protrusions 1117 can be, but is not limited to, two, three, four, or more. When there are two first protrusions 1117, the number of first adhesive grooves 1119 is one. When there are three first protrusions 1117, the number of first adhesive grooves 1119 can be two. When there are four first protrusions 1117, the number of first adhesive grooves 1119 can be three. In this application, the number of first protrusions 1117 is two. The first adhesive groove 1119 can be used to hold waterproof adhesive. The second protrusion 1131 can have the same annular structure as the first protrusion 1117.

[0074] Please refer to Figures 3 and 5. In one embodiment, the box body 111 has at least two first protrusions 1117 spaced apart on the side facing the cover 113, and the cover 113 has a second protrusion 1131 on the side facing the box body 111. When the box body 111 and the cover 113 are connected, the second protrusion 1131 extends into the first adhesive groove 1119, and the second protrusion 1131 and the first adhesive groove 1119 are bonded together with waterproof adhesive, thereby fixing the box body 111 and the cover 113 together. The waterproof performance between the box body 111 and the cover 113 is also good, and external liquids are not easily allowed to enter the mounting cavity 115 through the gap between the box body 111 and the cover 113.

[0075] Referring to Figures 3 and 5, in another embodiment, a second protrusion 1131 is provided on the side of the box body 111 facing the cover body 113, and at least two first protrusions 1117 are provided on the side of the cover body 113 facing the box body 111. When the box body 111 and the cover body 113 are connected, the second protrusion 1131 extends into the first adhesive groove 1119, and the second protrusion 1131 and the first adhesive groove 1119 are bonded together with waterproof adhesive, thereby fixing the box body 111 and the cover body 113 together, and the waterproof performance between the box body 111 and the cover body 113 is also good, and external liquids are not easily allowed to enter the mounting cavity 115 through the gap between the box body 111 and the cover body 113.

[0076] In this embodiment, the box body 111 is provided with a first protrusion 1117, and the cover 113 is provided with a second protrusion 1131. When the box body 111 is provided with at least two first protrusions 1117 and the cover 113 is provided with a second protrusion 1131, the structure of the functional box 11 is relatively simple, and the processing of the functional box 11 is relatively easy.

[0077] Please refer to Figures 3 and 5. In some embodiments, one of the box body 111 or the cover 113 is provided with at least two third protrusions spaced apart. The third protrusions are arranged in a ring shape, and a second adhesive groove is formed between two adjacent third protrusions. The other of the box body 111 or the cover 113 is provided with at least two fourth protrusions spaced apart. The fourth protrusions are arranged in a ring shape, and a third adhesive groove 1133 is formed between two adjacent fourth protrusions. One of the third protrusions can be engaged with the third adhesive groove 1133, and one of the fourth protrusions can be engaged with the second adhesive groove.

[0078] The third protrusion may be the same as or different from the first protrusion 1117. The second adhesive groove may be the same as or different from the first adhesive groove 1119. The fourth protrusion may be the same as or different from the second protrusion 1131. This application uses the example of the third protrusion being the same as the first protrusion 1117, the second adhesive groove being the same as the first adhesive groove 1119, and the fourth protrusion being the same as the second protrusion 1131 for illustration. Both the second adhesive groove and the third adhesive groove 1133 can be used to load waterproof adhesive.

[0079] The number of third protrusions can be, but is not limited to, two, three, four, or more. When there are two third protrusions, the number of second adhesive grooves is one. When there are three third protrusions, the number of second adhesive grooves can be two. When there are four third protrusions, the number of second adhesive grooves can be three. The number of fourth protrusions can be, but is not limited to, two, three, four, or more. When there are two fourth protrusions, the number of third adhesive grooves 1133 is one. When there are three fourth protrusions, the number of third adhesive grooves 1133 can be two. When there are four fourth protrusions, the number of third adhesive grooves 1133 can be three. In this application, the number of third protrusions is two, and the number of second adhesive grooves is one. The number of fourth protrusions is two, and the number of third adhesive grooves 1133 is one.

[0080] Referring to Figures 3 and 5, in one embodiment, the box body 111 has two spaced-apart third protrusions on the side facing the cover 113, and the cover 113 has two spaced-apart fourth protrusions on the side facing the box body 111. In one example, a third protrusion near the center of the mounting cavity 115 extends into a third adhesive groove 1133, and a fourth protrusion away from the center of the mounting cavity 115 extends into a second adhesive groove. Waterproof adhesive is provided in both the second and third adhesive grooves 1133, thus ensuring a stable connection between the cover 113 and the box body 111, and providing good waterproofing for the functional box 11. In another example, a third protrusion away from the center of the mounting cavity 115 extends into a third adhesive groove 1133, and a fourth protrusion near the center of the mounting cavity 115 extends into a second adhesive groove. Waterproof adhesive is provided in both the second and third adhesive grooves 1133, thus ensuring a stable connection between the cover 113 and the box body 111, and providing good waterproofing for the functional box 11.

[0081] Referring to Figures 3 and 5, in another embodiment, the box body 111 has two spaced-apart fourth protrusions on the side facing the cover 113, and the cover 113 has two spaced-apart third protrusions on the side facing the box body 111. In one example, a fourth protrusion near the center of the mounting cavity 115 extends into the second adhesive groove, and a third protrusion away from the center of the mounting cavity 115 extends into the third adhesive groove 1133. Waterproof adhesive is provided in both the second and third adhesive grooves 1133, thus ensuring a stable connection between the cover 113 and the box body 111, and providing good waterproofing for the functional box 11. In another example, a fourth protrusion away from the center of the mounting cavity 115 extends into the second adhesive groove, and a third protrusion near the center of the mounting cavity 115 extends into the third adhesive groove 1133. Waterproof adhesive is provided in both the second and third adhesive grooves 1133, thus ensuring a stable connection between the cover 113 and the box body 111, and providing good waterproofing for the functional box 11.

[0082] In this embodiment, the box body 111 has two spaced-apart third protrusions on the side facing the cover 113, and the cover 113 has two spaced-apart fourth protrusions on the side facing the box body 111. One third protrusion near the center of the mounting cavity 115 extends into the third adhesive groove 1133, and the other fourth protrusion away from the center of the mounting cavity 115 extends into the second adhesive groove. This makes the connection between the box body 111 and the cover 113 more stable, improves the waterproofing of the functional box 11, and further prevents external liquids from entering the mounting cavity 115 through the gap between the box body 111 and the cover 113.

[0083] Referring to Figures 3 and 5, in some embodiments, in the thickness direction Y of the functional box 11, the height of the third protrusion near the mounting cavity 115 is lower than the height of the third protrusion away from the mounting cavity 115. In this case, when the box body 111 is connected to the cover body 113, the fourth protrusion extending into the second adhesive groove will squeeze the waterproof adhesive in the second adhesive groove, making it easy for the waterproof adhesive to overflow from the second adhesive groove. When the height of the third protrusion near the mounting cavity 115 is lower than the height of the third protrusion away from the mounting cavity 115, the waterproof adhesive can flow into the mounting cavity 115 through the third protrusion near the mounting cavity 115, thereby effectively preventing the waterproof adhesive from overflowing to the outside of the functional box 11 and affecting its overall appearance. It is understood that the waterproof adhesive has high viscosity; when it flows into the mounting cavity 115 through the third protrusion, it can solidify on the side wall of the mounting cavity 115, thereby preventing the waterproof adhesive from flowing onto other components within the mounting cavity 115 and affecting their operation. Furthermore, if the height of the third protrusion near the mounting cavity 115 is lower than the height of the third protrusion far from the mounting cavity 115, less material can be used for the third protrusion, thus saving material costs.

[0084] Referring to Figures 3 and 5, in some embodiments, in the thickness direction Y of the functional box 11, the height of the fourth protrusion near the mounting cavity 115 is lower than the height of the fourth protrusion away from the mounting cavity 115. In this case, when the box body 111 is connected to the cover body 113, the fourth protrusion extending into the third adhesive groove 1133 will compress the waterproof adhesive within the third adhesive groove 1133, causing the waterproof adhesive to easily overflow from the third adhesive groove 1133. When the height of the fourth protrusion near the mounting cavity 115 is lower than the height of the fourth protrusion away from the mounting cavity 115, the waterproof adhesive can flow into the mounting cavity 115 through the fourth protrusion near the mounting cavity 115, thereby effectively preventing the waterproof adhesive from overflowing to the outside of the functional box 11 and affecting its overall appearance. Understandably, the waterproof adhesive has high viscosity. As it flows through the fourth protrusion into the mounting cavity 115, it can solidify on the side wall of the cavity, preventing it from flowing onto other components within the cavity and affecting their operation. Furthermore, since the height of the fourth protrusion near the cavity 115 is lower than that of the protrusion further away, less material is needed for the fourth protrusion, saving on material costs.

[0085] Referring to Figures 3 and 5, in some embodiments, along the thickness direction Y of the functional box 11, the height of the third protrusion near the mounting cavity 115 is lower than the height of the third protrusion away from the mounting cavity 115; similarly, the height of the fourth protrusion near the mounting cavity 115 is lower than the height of the fourth protrusion away from the mounting cavity 115. This further prevents waterproof adhesive from overflowing onto the exterior of the functional box 11, ensuring the waterproofing agent does not affect the overall appearance of the functional box 11 and improving its aesthetics. Furthermore, the material used for both the third and fourth protrusions can be reduced, saving on material costs.

[0086] Please refer to Figures 3 and 4. In some embodiments, the component to be connected 13 includes a sleeve 133 and a mounting portion 135. The sleeve 133 includes a sleeve body 1331 and a protrusion 1333 disposed at one end of the sleeve body 1331. An annular sealing member 1335 is formed on the outer side of the protrusion 1333. The protrusion 1333 extends into the insertion hole 1113, and the sealing member 1335 abuts against the inner wall of the insertion hole 1113. The mounting portion 135 passes through the insertion hole 1113. One end of the mounting portion 135 located in the mounting cavity 115 is connected to the functional box 11 through an anti-detachment member 15. The other end of the mounting portion 135 located outside the mounting cavity 115 extends into the protrusion 1333 to connect with the sleeve body 1331. The protrusion 1333 is sleeved on the outer wall of the mounting portion 135.

[0087] The protrusion 132 is formed by the sleeve body 1331 and the mounting portion 135. Preferably, the sleeve 133 can be made of soft rubber, and the mounting portion 135 can be made of hard rubber. When the mounting portion 135 is made of hard rubber, the connection between the component to be connected 13 and the function box 11 is more stable when the mounting portion 135 is connected to the function box 11. When the sleeve 133 is made of soft rubber, the soft rubber can easily deform, thereby making it easier for the user to adjust the position and shape of the component to be connected 13 so that the component to be connected 13 fits the user's head better. In this case, the connection between the sleeve 133 and the mounting portion 135 can be formed by two-color injection molding, thereby the connection between the sleeve 133 and the mounting portion 135 is tighter and it is not easy for the sleeve 133 and the mounting portion 135 to separate.

[0088] The seal 1335 protrudes from the side wall of the protrusion 1333. When the mounting part 135 passes through the insertion hole 1113, the mounting part 135 can drive the protrusion 1333 to extend into the insertion hole 1113. When the component to be connected 13 is connected to the functional box 11, the seal 1335 can abut against the inner wall of the insertion hole 1113 (the inner side wall of the connecting part 1111). Since the seal 1335 is made of soft rubber, when the seal 1335 abuts against the inner wall of the insertion hole 1113, the seal 1335 will be squeezed and deformed to a certain extent. As a result, there is almost no gap between the seal 1335 and the inner wall of the insertion hole 1113. External liquid is difficult to enter the mounting cavity 115 through the gap between the component to be connected 13 and the insertion hole 1113, and the waterproof effect of the connection structure 10 is better.

[0089] Referring to Figure 3, in some embodiments, the seal 1335 includes multiple seals, which are arranged sequentially at intervals along the extending direction of the protrusion 1333. Exemplarily, the number of seals 1335 may be two, three, four, or more. When there are multiple seals 1335, all of them abut against the inner wall of the insertion hole 1113, resulting in a tighter connection between the connector 13 and the inner wall of the insertion hole 1113. This further enhances the waterproof effect of the connection structure 10, making it less likely for external liquids to enter the mounting cavity 115.

[0090] Referring to Figure 3, in some embodiments, the seal 1335 is a closed annular structure. In this case, the structure of the seal 1335 is relatively simple, the processing is easier, and the seal 1335 can abut against the circumference of the inner wall of the insertion hole 1113, resulting in better waterproofing of the connection structure 10. In other embodiments, the seal 1335 is an intermittent annular structure. In this case, less material is used for the seal 1335, saving material.

[0091] Please refer to Figure 6. The headphone system 1000 of this application embodiment includes the headphone 100 and charging case 300 of the above embodiment. The charging case 300 is used to charge the headphone 100. The charging case 300 is provided with a charging compartment. When the headphone 100 needs to be charged, the battery compartment 117 of the headphone 100 can be accommodated in the charging compartment, and the charging case 300 can charge the battery inside the battery compartment 117.

[0092] In the headphone system 1000 of this application embodiment, the connector 13 extends into the insertion hole 1113 to connect with the function box 11. An anti-detachment component 15 is located within the mounting cavity 115. The anti-detachment component 15 further secures the connection between the function box 11 and the connector 13, effectively preventing the connector 13 from detaching from the function box 11. Compared to the current connection structure 10, in the connection structure 10 of this application, the anti-detachment component 15 does not need to penetrate the function box 11 to securely connect the function box 11 and the connector 13. External liquid will not enter the mounting cavity 115 through the gap between the anti-detachment component 15 and the function box 11. The connection structure 10 has better waterproofing, effectively preventing external liquid from entering the mounting cavity 115 and affecting the normal operation of the mainboard compartment within the function box 11.

[0093] The technical features of the embodiments described above can be combined arbitrarily. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as the combination of these technical features does not contradict each other, it should be considered within the scope of this specification. Furthermore, other implementation methods can be derived from the above embodiments, allowing for structural and logical substitutions and changes without departing from the scope of this disclosure.

[0094] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A connection structure, wherein, The connection structure includes: A functional box, comprising a box body and a cover, wherein the cover is installed on the box body and together with the box body forms an installation cavity, and at least one end of the box body is provided with a connecting part, wherein the connecting part is provided with a through insertion hole, the insertion hole being used to communicate with the outside world and the installation cavity; A component to be connected, the component to be connected to the functional box, the insertion hole for inserting the component to be connected, the component to be connected having a protrusion that abuts against the side wall of the functional box; and An anti-detachment component is located within the mounting cavity and is used to connect the functional box and the component to be connected, so as to fix the functional box and the component to be connected in a fixed manner.

2. The connection structure according to claim 1, wherein, The connecting part is also provided with a connecting hole, which is located in the mounting cavity and communicates with the insertion hole. The component to be connected is provided with a mating hole, which corresponds to the connecting hole. The anti-detachment component passes through the connecting hole and the mating hole so that the functional box can be connected to the component to be connected.

3. The connection structure according to claim 2, wherein, The extension direction of the connecting hole is different from the extension direction of the plug hole.

4. The connection structure according to claim 3, wherein, The extension direction of the connecting hole is perpendicular to the extension direction of the plug hole.

5. The connection structure according to claim 3, wherein, The insertion hole penetrates through the two opposite side walls of the connecting part, and the connection hole penetrates through the top wall of the connecting part. The two ends of the top wall are connected to the two side walls.

6. The connection structure according to claim 1, wherein, At least a portion of the component to be connected extends into the mounting cavity, and the anti-detachment component is disposed at one end of the component to be connected located in the mounting cavity. The anti-detachment component cooperates with the side wall of the connecting portion to connect the functional box to the component to be connected.

7. The connection structure according to claim 6, wherein, The anti-detachment component is a hook, which engages with the side wall of the connecting part.

8. The connection structure according to claim 6, wherein, The component to be connected includes an expansion bolt, which is inserted into the insertion hole and engages with the side wall of the insertion hole. An anti-detachment component is provided at one end of the expansion bolt located in the mounting cavity. The anti-detachment component is a hook that engages with the side wall of the connecting part.

9. The connection structure according to claim 1, wherein, The cover and the box are connected by adhesive.

10. The connection structure according to claim 9, wherein, One of the box body or the cover body is provided with at least two first protrusions spaced apart. The first protrusions are arranged in a ring shape, and a first adhesive groove is formed between two adjacent first protrusions. The other of the box body or the cover body is provided with a second protrusion that cooperates with the first adhesive groove. The second protrusion and the first adhesive groove are in a concave-convex fit.

11. The connection structure according to claim 9, wherein, One of the box body or the cover body is provided with at least two third protrusions spaced apart, the third protrusions are arranged in a ring shape, and a second adhesive groove is formed between two adjacent third protrusions; the other of the box body or the cover body is provided with at least two fourth protrusions spaced apart, the fourth protrusions are arranged in a ring shape, and a third adhesive groove is formed between two adjacent fourth protrusions; one of the third protrusions can be engaged with the third adhesive groove, and one of the fourth protrusions can be engaged with the second adhesive groove.

12. The connection structure according to claim 11, wherein, In the thickness direction of the functional box, the height of the third protrusion closer to the mounting cavity is lower than the height of the third protrusion farther from the mounting cavity; and / or In the thickness direction of the functional box, the height of the fourth protrusion closer to the mounting cavity is lower than the height of the fourth protrusion farther from the mounting cavity.

13. The connection structure according to claim 1, wherein, The functional box includes a battery box for holding batteries and / or a control box with control functions.

14. The connection structure according to claim 1, wherein, The components to be connected include the ear hooks and / or the back hooks of the headphones.

15. The connection structure according to claim 1, wherein, The components to be connected include: The sleeve includes a sleeve body and a protrusion disposed at one end of the sleeve body, wherein the outer surface of the protrusion... A ring-shaped seal is formed on the side, the protrusion extends into the insertion hole, and the seal abuts against the inner wall of the insertion hole; and The mounting part has the insertion hole through it. One end of the mounting part located inside the mounting cavity is connected to the functional box through the anti-detachment component. The other end of the mounting part located outside the mounting cavity extends into the protrusion to connect with the sleeve body. The protrusion is sleeved on the outer wall of the mounting part.

16. The connection structure according to claim 15, wherein, The sealing element comprises a plurality of sealing elements, which are arranged sequentially at intervals along the extending direction of the protrusion.

17. The connection structure according to claim 15, wherein, The sealing element is a closed annular structure; or, the sealing element is an intermittent annular structure.

18. An earphone, wherein, include: The connection structure according to any one of claims 1-17.

19. The headphones according to claim 18, wherein, The headphones include bone conduction headphones or air conduction headphones.

20. A headphone system, wherein, include: The headphones as claimed in claim 18 or 19; and A charging case for charging the earphones.

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