Key structure and earphone

Abstract

The utility model discloses a button structure and an earphone, and the button structure comprises a housing seat which is provided with a button hole in a penetrating manner, and the inner side of the housing seat is provided with an installation part surrounding the button hole; the key body is arranged on the inner side of the shell seat, and the key body and the mounting part are fixed and sealed by gluing; and the key board is arranged on the inner side of the shell base, electronic keys are arranged on the key board, the key board is arranged on the key body in an attached mode, and the periphery of the key board is fixed and sealed through gluing. By adopting the scheme, the key structure and the earphone have the advantages that the key body and the mounting part are glued, fixed and sealed to realize a first connection and sealing structure, and the periphery of the key plate is glued, fixed and sealed to realize a second connection and sealing structure, so that the overall connection strength is excellent, and the sealing effect is good.

Description

Technical Field

[0001] The utility model belongs to the field of earphones, and particularly relates to a key structure and an earphone. Background Art

[0002] With the further popularization of the "sports & fitness" lifestyle concept, outdoor sports have become the first choice for sports enthusiasts. Along with boring, monotonous, and long-term sports, wearing bone conduction earphones has become a necessity to relieve fatigue and improve safety. As an outdoor sports earphone, its performance will inevitably be tested by dust, rain, and sweat. Therefore, the dust and waterproof performance of the earphone has become an important reference index affecting the product's reputation.

[0003] The conventional solution for the existing key waterproof structure is to appropriately wrap the key pressing piece with silica gel, and the silica gel is adhesively fixed to the key hole of the housing to achieve the purpose of waterproofing. Because a single-layer waterproof structure is adopted, as long as the process is not good, the assembly is not in place, or the glue ages, the PCB board connected to the electronic key and other electronic components (such as speakers) built in the housing may be damaged due to water ingress, and the after-sales cost is relatively high. Summary of the Utility Model

[0004] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a key structure and an earphone with excellent overall connection strength and good sealing effect, which realizes the first connection and sealing structure through glue bonding and sealing between the key body and the installation part, and then realizes the second connection and sealing structure through glue bonding and sealing around the key board.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A key structure, characterized in that it includes: a housing base, a key hole is provided on the housing base, and an installation part is formed around the key hole on the inner side of the housing base; a key body, the key body is arranged on the inner side of the housing base, and the key body is fixed and sealed with the installation part by glue bonding; and, a key board, the key board is arranged on the inner side of the housing base, an electronic key is provided on the key board, the key board is attached to the key body and is fixed and sealed by glue bonding around the key board.

[0007] The utility model is further arranged as: the key body is provided with a first sealing ring surface and / or a second sealing ring surface around the key hole on the inner side of the housing base, the first sealing ring surface faces the key hole, and the second sealing ring surface is located on the outer periphery of the key body; glue is applied between the first sealing ring surface and the installation part, and / or glue is applied between the second sealing ring surface and the installation part.

[0008] The present utility model is further configured as follows: an installation recess is provided on the inner circumference of the installation part, and the key body is placed in the installation recess; the key plate abuts against the opening of the installation recess or is assembled in the installation recess, and glue is applied between the key plate and the installation recess or between the key plate and the housing base.

[0009] The present utility model is further configured as follows: the key body is of an integrally formed structure, the key body is made of a soft material, and the key body is provided with a key portion placed in or protruding out of the key hole; alternatively, the key body includes a soft gasket and a key pressing piece, the soft gasket is connected to the installation part, the key pressing piece is fixed to the soft gasket, and the key pressing piece is placed in or protrudes out of the key hole.

[0010] The present utility model is further configured as follows: the key pressing piece protrudes towards the electronic key and is provided with a pressing portion, the soft gasket is provided with an alignment portion surrounding the outer circumference of the pressing portion, and the pressing portion and the alignment portion are connected by gluing; and / or, the key pressing piece is provided with a first connecting strip towards the soft gasket, and the soft gasket is provided with a second connecting strip aligned with the first connecting strip; and / or, the soft gasket is provided with an abutting portion on the side towards the key plate, the number of the abutting portions is multiple, and each of the abutting portions is arranged in a surrounding manner on the outer circumference of the electronic key, or the abutting portion is in a ring shape and surrounds the outer circumference of the electronic key.

[0011] The present utility model is further configured as follows: the soft gasket is provided with a sealing connection portion and a deformation portion, the thickness of the deformation portion is h1, and the thickness of the sealing connection portion is h2; wherein, h1 ≤ h2; and / or, wherein, h1 ≤ 5 mm and h2 ≤ 10 mm.

[0012] The present utility model is further configured as follows: the key body is provided with a seat portion and a convex portion, a key slot penetrating through the seat portion is arranged in the convex portion, and the electronic key extends into the key slot.

[0013] The present utility model is further configured as follows: it further includes a second circuit board, the second circuit board is arranged on the inner side of the housing base, and the key plate is electrically connected to the second circuit board, or the electronic key is electrically connected to the second circuit board.

[0014] The present utility model is further configured as follows: a first positioning portion for positioning the key plate is provided on the housing base and / or the installation part; and / or, a second positioning portion for positioning the key plate is provided on the key body; and / or, the key body and the key plate are fixed and sealed by gluing.

[0015] A headset, characterized in that it includes a controller and a sound generating device; the controller and / or the sound generating device includes the above-mentioned key structure.

[0016] By adopting the above technical solution, a first connection and sealing structure is formed by applying glue between the key body and the installation part, and a second connection and sealing structure is formed by applying glue around the key plate. This not only provides double sealing at the key hole, resulting in a better sealing effect, but also improves the connection strength among the housing base, the key body, and the key plate. While ensuring smooth operation, it also guarantees the effective sealing of the two sealed parts. In summary, efficient waterproof sealing inside the housing base can be achieved to prevent water ingress from damaging the internal circuit. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0018] Figure 1 It is the assembly drawing of the first embodiment of the present invention;

[0019] Figure 2 It is the exploded view of the first embodiment of the present invention;

[0020] Figure 3 It is the schematic diagram of a part of the housing base in the first embodiment of the present invention;

[0021] Figure 4 It is the cross-sectional view of a part of the structure in the first embodiment of the present invention;

[0022] Figure 5 It is the schematic diagram of the soft gasket in the first embodiment of the present invention;

[0023] Figure 6 It is the schematic diagram of the soft gasket in the first embodiment of the present invention;

[0024] Figure 7 It is the schematic diagram of the key pressing piece in the first embodiment of the present invention;

[0025] Figure 8 It is the assembly drawing of the second embodiment of the present invention;

[0026] Figure 9 It is the exploded view of the second embodiment of the present invention;

[0027] Figure 10 It is the cross-sectional view of the second embodiment of the present invention;

[0028] Figure 11 It is the schematic diagram of the key body in the second embodiment of the present invention;

[0029] Figure 12 is Figure 10 an enlarged view of A in

[0030] Figure 13 a schematic diagram of a partial housing base in the second embodiment of the present utility model;

[0031] Figure 14 an assembly drawing of the third embodiment of the present utility model.

[0032] Description of reference numerals:

[0033] 1. Housing base;

[0034] 11. Installation cavity; 12. Button hole; 13. Installation recess; 14. First positioning portion; 15. Installation portion;

[0035] 2. Button body;

[0036] 21. First sealing ring surface; 22. Second sealing ring surface; 23. Button portion; 24. Soft gasket; 25. Button pressing piece; 26. Seat portion; 27. Convex portion; 28. Second positioning portion;

[0037] 241. Alignment portion; 242. Second connecting strip; 243. Abutting portion; 244. Sealing connection portion; 245. Deformation portion; 251. Pressing portion; 252. First connecting strip; 271. Button groove;

[0038] 3. Button board;

[0039] 31. Electronic button; 32. Ear portion;

[0040] 4. Second circuit board;

[0041] 5. Controller;

[0042] 6. Sound generating device. Detailed implementation manners

[0043] In order to enable those skilled in the art to better understand the present utility model and thus more clearly define the scope of protection required by the present utility model, the present utility model will be described in detail below with respect to certain specific embodiments of the present utility model. It should be noted that the following are only some specific implementation manners of the concept of the present utility model, which are only a part of the embodiments of the present utility model. The specific and direct descriptions of the relevant structures are only for the convenience of understanding the present utility model, and each specific feature does not of course and directly limit the scope of implementation of the present utility model. Conventional selections and substitutions made by those skilled in the art under the guidance of the concept of the present utility model shall be regarded as being within the scope of protection required by the present utility model.

[0044] Embodiment 1:

[0045] As Figures 1 - 7As shown, the utility model discloses a key structure, including:

[0046] The shell base 1 is formed by splicing two half bodies, so that a mounting cavity 11 is formed in the shell base 1. In addition, a button hole 12 in the form of a circular hole is penetrated on the front side of the shell base 1, and a mounting portion 15 surrounding the button hole 12 is provided in the mounting cavity 11 of the shell base 1;

[0047] The key body 2 is disposed in the mounting cavity 11, and the key body 2 and the mounting portion 15 are glued, fixed and sealed to form a first connection and sealing structure; and

[0048] The key plate 3 is arranged in the installation cavity 11. Specifically, the key plate 3 is located on the side of the key body 2 away from the installation cavity 11. In addition, an electronic key 31 is provided on the side of the key plate 3 facing the key body 2. The key plate 3 is fitted on the key body 2 and is fixed and sealed around the key plate 3 to form a second connection and sealing structure.

[0049] Therefore, by applying glue between the key body 2 and the mounting portion 15 to form a first connection and sealing structure, and applying glue on the periphery of the key plate 3 to form a second connection and sealing structure, not only the key hole 12 has a double seal to make the sealing effect better, but also the connection strength of the shell 1, the key body 2, and the key plate 3 is better, so that the operation is smooth while ensuring the effective sealing of the two sealing places. In summary, the shell 1 can achieve efficient waterproof sealing to prevent water from entering and causing damage to the internal circuit.

[0050] Preferably, the button body 2 in this embodiment is located in the installation cavity 11 and is provided with a first sealing ring surface 21 and a second sealing ring surface 22 surrounding the button hole 12, the first sealing ring surface 21 faces the button hole 12, and the second sealing ring surface 22 is located at the outer periphery of the button body 2; in addition, glue is applied between the first sealing ring surface 21 and the installation portion 15, and glue is applied between the second sealing ring surface 22 and the installation portion 15.

[0051] Therefore, a double seal is formed between the button body 2 and the mounting portion 15 by gluing the first sealing ring surface 21 and the second sealing ring surface 22 respectively, so as to optimize the connection strength and the sealing effect.

[0052] In other embodiments, only the first sealing ring surface 21 or the second sealing ring surface 22 is provided to form a single seal.

[0053] Correspondingly, a mounting recess 13 is provided on the inner periphery of the mounting portion 15, the button body 2 is placed in the mounting recess 13, and the first sealing ring surface 21 and the bottom wall of the mounting recess 13 are connected by glue, and the second sealing ring surface 22 and the side wall of the mounting recess 13 are connected by glue.

[0054] It should be noted that the shape of the installation recess 13 is adapted to the shape of the key body 2, so that the installation recess 13 not only cooperates with the key body 2 for caulking and fixed connection, but also positions the key body 2, making the installation more accurate.

[0055] In addition, the key plate 3 abuts against the opening of the installation recess 13, and caulking is performed between the key plate 3 and the installation recess 13 or between the key plate 3 and the housing base 1, so that both the key body 2 and the key plate 3 are positioned and installed through the installation recess 13, making the coordination between the two more accurate.

[0056] In other embodiments, the key plate 3 can also be assembled in the installation recess 13, so that the installation recess 13 also positions the key plate 3 to improve the installation accuracy of the key plate 3.

[0057] Specifically, the key body 2 in this embodiment includes a soft gasket 24 and a key pressing piece 25. The soft gasket 24 is caulked and connected to the installation part 15, and the key pressing piece 25 is fixed to the soft gasket 24. Among them, the key pressing piece 25 can be placed in the key hole 12 or protrude from the key hole 12. In this embodiment, it is placed in the key hole 12.

[0058] Therefore, by pressing the key pressing piece 25, the soft gasket 24 deforms, and thus the deformed soft gasket 24 presses the electronic key 31 to generate a key signal. In addition, after the pressing is released, the soft gasket 24 will deform and reset to move away from the electronic key 31 to complete the operation. Among them, the key pressing piece 25 is made of a hard material, so that it has a hard touch.

[0059] Among them, the key pressing piece 25 in this embodiment protrudes toward the electronic key 31 and is provided with a cylindrical pressing part 251. Correspondingly, the soft gasket 24 is provided with an alignment part 241 surrounding the outer periphery of the pressing part 251, and the pressing part 251 and the alignment part 241 are caulked and connected. In addition, the pressing part 251 points to the electronic key 31.

[0060] Therefore, 1. Pressing the key pressing piece 25 drives the pressing part 251 to move toward the electronic key 31. By directly acting on the pressing part 251, the soft gasket 24 between the pressing part 251 and the electronic key 31 deforms more fully to press the electronic key 31, ensuring the smoothness of the pressing. 2. The pressing part 251 is surrounded by the alignment part 241, making the positioning more accurate. And the pressing part 251 and the alignment part 241 are caulked and connected to ensure that the two always cooperate to prevent the pressing part 251 from being displaced out of the alignment part 241, resulting in interference with the soft gasket and causing the pressing to be unsmooth or causing the electronic key 31 to be always pressed.

[0061] Among them, the button pressing piece 25 in this embodiment is provided with two arc-shaped first connecting strips 252 facing the soft gasket 24. Correspondingly, the soft gasket 24 is provided with second connecting strips 242 aligned with the first connecting strips 252, so that the pressing force is transmitted through the abutment of the first connecting strips 252 and the second connecting strips 242, preventing the button pressing piece 25 from acting on the soft gasket 24 over a large area. This method has local force transmission, enabling the required deformation position to bear a greater force and deform better to press the electronic button 31 or reset.

[0062] Among them, one side of the soft gasket 24 facing the button board 3 is provided with abutting parts 243. The number of the abutting parts 243 is multiple, and each abutting part 243 is arranged in a surrounding manner on the outer periphery of the electronic button 31, so that when the soft gasket 24 is pressed, the abutting parts 243 abut against the button board 3 to undergo main deformation and accumulate elastic potential energy, and after the pressing is released, the abutting parts 243 are reset to drive the soft gasket 24 to reset away from the button board 3. In addition, since each abutting part 243 is independently arranged, there is enough space in its circumferential direction for deformation when pressed to achieve better deformation and store elastic potential energy.

[0063] In other embodiments, the abutting part 243 is annular, and the abutting part 243 surrounds the outer periphery of the electronic button 31, so that the soft gasket 24 is moved away from the electronic button 31 by the reset of the annular abutting part 243 after being pressed and deformed.

[0064] Preferably, the soft gasket 24 in this embodiment is provided with a sealing connection part 244 and a deformation part 245. The first sealing ring surface 21 and the second sealing ring surface 22 are arranged on the sealing connection part 244, and the alignment part 241, the second connecting strip 242, and the abutting part 243 are arranged on the deformation part 245, so that the sealing connection part 244 is used to cooperate with the installation part 15 for connection and sealing, and the deformation part 245 deforms to act on the electronic button 31 when the button pressing piece 25 presses.

[0065] Preferably, the thickness of the deformation part 245 is h1, and the thickness of the sealing connection part 244 is h2; among them, h1≤h2, and h1<h2 in this embodiment; among them, h1≤5mm, h2≤10mm, so that the sealing connection part 244 with a larger thickness enables more effective installation with the installation part 15, and the deformation part 245 with a smaller thickness enables a better deformation effect when pressed to improve the smoothness of pressing.

[0066] Preferably, a first positioning part 14 is integrally formed on the installation part 15 in this embodiment. Correspondingly, ears 32 are arranged on the outer periphery of the button board 3, so that the first positioning part 14 positions the ears 32 to make the installation position of the button board 3 more accurate, preventing the electronic button 31 from being difficult to press smoothly and unable to be repaired after using glue.

[0067] In addition, sealant is applied between the key body 2 and the key board 3 in this embodiment for fixation and sealing, further enhancing the waterproof effect on the electronic key 31 by achieving further sealing between the two. Specifically, sealant is applied between the side of the sealing connection part 244 facing the key board 3 and the key board 3.

[0068] Among them, the key board 3 in this embodiment uses a circuit board. In other embodiments, the key board 3 can be only a carrier for the electronic key 31 to be provided, and the electronic key 31 is connected to other circuit structures through wires.

[0069] Embodiment Two:

[0070] As Figures 8 - 13 shown, the present utility model discloses a key structure, including:

[0071] A housing base 1, which is formed by splicing two semi - bodies, so that an installation cavity 11 is formed inside the housing base 1. In addition, two runway - shaped key holes 12 are provided through the lower side of the housing base 1, and an installation part 15 surrounding the key holes 12 is provided inside the housing base 1 in the installation cavity 11;

[0072] A key body 2, which is arranged in the installation cavity 11, and sealant is applied between the key body 2 and the installation part 15 for fixation and sealing to form a first - stage connection and sealing structure; and,

[0073] A key board 3, which is arranged in the installation cavity 11. Specifically, the key board 3 is located above the key body 2. In addition, an electronic key 31 is provided on the side of the key board 3 facing the key body 2. The key board 3 is attached to the key body 2 and sealant is applied around the key board 3 for fixation and sealing to form a second - stage connection and sealing structure.

[0074] Therefore, by applying sealant between the key body 2 and the installation part 15 to form a first - stage connection and sealing structure, and applying sealant around the outer periphery of the key board 3 to form a second - stage connection and sealing structure, not only is the double - sealing achieved at the key holes 12 to make the sealing effect better, but also the connection strength among the housing base 1, the key body 2, and the key board 3 is better, ensuring smooth operation while guaranteeing the effective sealing at the two sealed places. In summary, efficient waterproof sealing inside the housing base 1 can be achieved to prevent water ingress from damaging the internal circuit.

[0075] Preferably, in this embodiment, the key body 2 is provided with a first sealing ring surface 21 and a second sealing ring surface 22 surrounding the key holes 12 inside the installation cavity 11. The first sealing ring surface 21 faces the key holes 12, and the second sealing ring surface 22 is located on the outer periphery of the key body 2; in addition, sealant is applied between the first sealing ring surface 21 and the installation part 15, and sealant is applied between the second sealing ring surface 22 and the installation part 15.

[0076] Therefore, a double seal is formed by applying glue to the first sealing ring surface 21 and the second sealing ring surface 22 between the key body 2 and the installation part 15 respectively to optimize the connection strength and the sealing effect.

[0077] In other embodiments, only the first sealing ring surface 21 or the second sealing ring surface 22 is provided to form a single seal.

[0078] Correspondingly, an installation recess 13 is provided on the inner periphery of the installation part 15. The key body 2 is placed in the installation recess 13, and glue is applied to connect the first sealing ring surface 21 and the bottom wall of the installation recess 13, and glue is applied to connect the second sealing ring surface 22 and the side wall of the installation recess 13.

[0079] It should be noted that the shape of the installation recess 13 is adapted to the shape of the key body 2, so that the installation recess 13 not only cooperates with the key body 2 for glue-fixed connection, but also positions the key body 2, making the installation more accurate.

[0080] Preferably, the key body 2 in this embodiment is an integrally formed structure. The key body 2 is made of a soft material. The key body 2 is provided with a key portion 23 extending downward through the key hole 12, so that by pressing the key portion 23, the soft key body 2 deforms to act on the electronic key 31 to generate a key signal. In addition, after the pressing is released, the key body 2 will deform and reset away from the electronic key 31 to complete the operation. Among them, the key portion 23 is made of a soft material, so that it has a soft touch.

[0081] Specifically, the key body 2 in this embodiment is provided with a seat portion 26 and a convex portion 27. The seat portion 26 is connected to the installation part 15 by applying glue. The convex portion 27 extends out of the housing base 1 through the key hole 12, and the key portion 23 is provided on the convex portion 27. In addition, a key slot 271 penetrating the seat portion 26 is provided in the convex portion 27, and the electronic key 31 extends into the key slot 271. Therefore, the electronic key 31 extending through the key slot 271 is closer to the key portion 23. Thus, when pressing the key portion 23, only a smaller deformation is required to effectively press the electronic key 31.

[0082] Preferably, a first positioning portion 14 is integrally formed on the installation part 15 in this embodiment. Correspondingly, the key board 3 is square, so that the first positioning portion 14 positions the square key board 3 to make the installation position of the key board 3 more accurate, preventing the electronic key 31 from being pressed smoothly and being unable to be repaired after applying glue and using.

[0083] Preferably, a second positioning portion 28 for positioning the key board 3 is provided on the key body 2 in this embodiment, so that the second positioning portion 28 positions the square key board 3 to make the installation position of the key board 3 more accurate, preventing the electronic key 31 from being pressed smoothly and being unable to be repaired after applying glue and using.

[0084] Among them, the second positioning portion 28 can be positioned on one or more sides of the outer periphery of the keypad 3 as shown in Figure 11 the figure, or a slot can be provided on the second positioning portion 28, so that the keypad 3 is inserted into the slot to more stably realize the positioning and installation of the keypad 3 and the key body 2.

[0085] In addition, glue is applied between the key body 2 and the keypad 3 in this embodiment for fixation and sealing, so that the two are further sealed to further enhance the waterproof effect on the electronic key 31. Specifically, glue is applied between the side of the sealing connection portion 244 facing the keypad 3 and the keypad 3.

[0086] Among them, the keypad 3 in this embodiment uses a circuit board. In other embodiments, the keypad 3 can be only a carrier for setting the electronic key 31, and the electronic key 31 is connected to other circuit structures through wires.

[0087] In addition, this embodiment further includes a second circuit board 4. The second circuit board 4 is arranged inside the housing base 1. The keypad 3 is electrically connected to the second circuit board 4, or the electronic key 31 is electrically connected to the second circuit board 4. By separating the keypad 3 and the second circuit board 4, the second circuit board 4 can be independently arranged and installed in the installation cavity 11, and the electronic key 31 is installed and aligned with the key hole 12 along with the keypad 3, preventing the large volume of the keypad 3 from causing great design difficulty and poor alignment between the electronic key 31 and the key hole 12, which affects the comfort and smoothness of pressing.

[0088] Embodiment Three:

[0089] As Figure 14 shown, a headset includes a controller 5 and a sound generating device 6. Among them, both the controller 5 and the sound generating device 6 include the key structure described in Embodiment One or Embodiment Two, and it can be used as a bone conduction headset. This makes the commonly used bone conduction headset for outdoor use have better waterproof performance.

[0090] In other embodiments, it can also be applied to bone conduction glasses, bone conduction hearing aids, bone conduction lollipops, smart watches, bone conduction helmets, bone conduction masks, bone conduction bras, etc.

[0091] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A key structure, characterized in that, Comprising: A housing base (1), a key hole (12) is penetrated through the housing base (1), and an installation part (15) is formed inside the housing base (1) around the key hole (12); A key body (2), the key body (2) is arranged inside the housing base (1), and the key body (2) is fixed and sealed by gluing between the key body (2) and the installation part (15); and, A key board (3), the key board (3) is arranged inside the housing base (1), an electronic key (31) is arranged on the key board (3), the key board (3) is attached to the key body (2) and is fixed and sealed by gluing around the key board (3).

2. The key structure according to claim 1, wherein: The key body (2) is provided with a first sealing ring surface (21) and / or a second sealing ring surface (22) around the key hole (12) on the inner side of the housing base (1), the first sealing ring surface (21) faces the key hole (12), and the second sealing ring surface (22) is located on the outer periphery of the key body (2); Glue is applied between the first sealing ring surface (21) and the installation part (15), and / or glue is applied between the second sealing ring surface (22) and the installation part (15).

3. The key structure according to claim 2, wherein: An installation recess (13) is arranged on the inner periphery of the installation part (15), and the key body (2) is placed in the installation recess (13); The key board (3) abuts against the opening of the installation recess (13) or is assembled in the installation recess (13), and glue is applied between the key board (3) and the installation recess (13) or glue is applied between the key board (3) and the housing base (1).

4. The key structure according to any one of claims 1-3, characterized in that: The key body (2) is an integrally formed structure, the key body (2) is made of a soft material, and the key body (2) is provided with a key part (23) placed in the key hole (12) or extending out of the key hole (12); or, The key body (2) includes a soft gasket (24) and a key pressing piece (25), the soft gasket (24) is connected to the installation part (15), the key pressing piece (25) is fixed to the soft gasket (24), and the key pressing piece (25) is placed in the key hole (12) or extends out of the key hole (12).

5. The key structure according to claim 4, characterized in that: The key pressing piece (25) protrudes towards the electronic key (31) and is provided with a pressing part (251), the soft gasket (24) is provided with an alignment part (241) surrounding the outer periphery of the pressing part (251), and the pressing part (251) and the alignment part (241) are connected by gluing; and / or, The key pressing piece (25) is provided with a first connecting strip (252) towards the soft gasket (24), and the soft gasket (24) is provided with a second connecting strip (242) aligned with the first connecting strip (252); and / or, The soft gasket (24) is provided with an abutting part (243) on the side towards the key board (3), the number of the abutting parts (243) is multiple, each of the abutting parts (243) is arranged around the outer periphery of the electronic key (31) in a surrounding manner, or the abutting part (243) is annular, and the abutting part (243) surrounds the outer periphery of the electronic key (31).

6. The key structure according to claim 4, characterized in that: The soft gasket (24) is provided with a sealing connection portion (244) and a deformation portion (245). The thickness of the deformation portion (245) is h1, and the thickness of the sealing connection portion (244) is h2; wherein, h1 ≤ h2; and / or, wherein, h1 ≤ 5 mm and h2 ≤ 10 mm.

7. The key structure according to claim 4, characterized in that: The key body (2) is provided with a seat portion (26) and a convex portion (27). A key slot (271) penetrating through the seat portion (26) is arranged in the convex portion (27), and the electronic key (31) extends into the key slot (271).

8. The key structure according to claim 1, wherein: It further includes a second circuit board (4). The second circuit board (4) is arranged inside the housing base (1). The key board (3) is electrically connected to the second circuit board (4), or the electronic key (31) is electrically connected to the second circuit board (4).

9. The key structure according to claim 1, wherein: A first positioning portion (14) for positioning the key board (3) is arranged on the housing base (1) and / or the mounting portion (15); and / or, A second positioning portion (28) for positioning the key board (3) is arranged on the key body (2); and / or, Sealing glue is applied between the key body (2) and the key board (3) for fixing and sealing.

10. A headset, characterized in that: It includes a controller (5) and a sound generating device (6); The controller (5) and / or the sound generating device (6) includes the key structure according to any one of claims 1-8.

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