CN115633286A

CN115633286A - Clamping force adjusting structure and headset

Info

Publication number: CN115633286A
Application number: CN202211212263.XA
Authority: CN
Inventors: 唐明军
Original assignee: Goertek Techology Co Ltd
Current assignee: Goertek Techology Co Ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-20

Abstract

The invention discloses a clamping force adjusting structure and a headset, wherein the clamping force adjusting structure comprises a head band and a sliding block, the head band comprises a first clamping section, a connecting section and a second clamping section which are sequentially connected, the connecting section is provided with an opening penetrating through the upper surface and the lower surface of the head band, the first clamping section is provided with a first elastic sheet extending into the opening, the second clamping section is provided with a second elastic sheet extending into the opening, and the first elastic sheet and the second elastic sheet are arranged at intervals with the connecting section; the slider is movably connected with the connecting section and can move into the opening to be clamped and matched with the first elastic sheet and the second elastic sheet. The clamping force adjusting structure provided by the invention can adjust the clamping force of the head band, and improves the comfort when a user wears the headset.

Description

Clamping force adjusting structure and headset

Technical Field

The invention relates to the technical field of electronic products, in particular to a clamping force adjusting structure and a headset.

Background

The headset comprises a left sound production unit, a right sound production unit and a beam member connected with the left sound production unit and the right sound production unit, wherein the left sound production unit and the right sound production unit are generally moving coil units, and a magnetic circuit system in the moving coil units applies driving force to voice coil coils under the driving of electric signals to enable the voice coil coils to drive vibrating diaphragms to vibrate and produce sound. The left earmuff and the right earmuff of the headphone have larger built-in spaces, more circuit components can be installed, and the sound production unit with larger volume and more complex structure is also allowed to be adopted, so that the headphone generally has acoustic performance superior to that of in-ear headphones. In addition, when wearing, the headset covers the ear of a human body, so that the problems of ear canal friction and discomfort caused by the fact that the headset needs to be plugged into the ear canal like an in-ear headset can be avoided, and the headset is more suitable for being worn for a long time, so that the wearing experience of the headset is generally superior to that of the in-ear headset. The advantages of headphones over in-ear headphones make headphones still a wide market for users.

The support body in the cross-beam member of the headset is a headband, which is known for its generally band-like structure that surrounds and grips the head. The headband in the headset is connected with the left earmuff and the right earmuff, and the outer side of the headband is generally wrapped by a flexible material to improve the wearing comfort.

In the related art, the headband is made of steel, which can be deformed to some extent when worn, and can be elastically restored to its original shape when removed, so that it can be repeatedly used without being easily deformed. However, the headband has well-taught rigidity and radian after leaving a factory, the head circumferences of users in different age stages, different sexes and different races are greatly different, when the same type of headset is worn on the heads of different users, part of the users feel that the clamping force of the headband is too weak, and the headset is worn too loosely; and another part of the user may feel that the clamping force of the headband is too strong and the headset is worn too tightly. As such, the above headband has a problem in that it is difficult to satisfy the requirements for comfortable wearing of various users.

Disclosure of Invention

The invention mainly aims to provide a clamping force adjusting structure, aiming at improving the wearing comfort of a headset.

In order to achieve the above object, the present invention provides a clamping force adjusting structure applied to a headphone, the clamping force adjusting structure comprising:

the headband comprises a first clamping section, a connecting section and a second clamping section which are sequentially connected, wherein the connecting section is provided with an opening which penetrates through the upper surface and the lower surface of the headband, the first clamping section is provided with a first elastic sheet which extends into the opening, the second clamping section is provided with a second elastic sheet which extends into the opening, and the first elastic sheet and the second elastic sheet are arranged at intervals with the connecting section; and

the sliding block is movably connected with the connecting section and can move into the opening to be in clamping fit with the first elastic sheet and the second elastic sheet.

In an embodiment of the present invention, a first connecting portion is disposed at an end of the first elastic sheet away from the first clamping section, a second connecting portion is disposed at an end of the second elastic sheet away from the second clamping section, third connecting portions are disposed at two ends of the slider, and a fourth connecting portion slidably connected to the third connecting portion is disposed at the connecting section;

when the sliding block is clamped with the first elastic sheet and the second elastic sheet, one of the third connecting parts and the first connecting part is limited in a sliding mode, and the other of the third connecting parts and the second connecting part is limited in a sliding mode.

In an embodiment of the invention, at least a part of the first connecting portion, the second connecting portion, and the third connecting portion are disposed in a bent section, and the third connecting portion is adapted to the first connecting portion and the second connecting portion.

In an embodiment of the invention, a structure of the first connection portion and a structure of the second connection portion are arranged in mirror symmetry.

In an embodiment of the present invention, the fourth connecting portion includes two limiting blocks disposed on the connecting section, and each of the limiting blocks and the connecting section form a sliding groove in an enclosing manner;

when the sliding block is connected with the connecting section, each third connecting part slides and is limited in one sliding groove.

In an embodiment of the present invention, the first clamping section is provided with a plurality of the first elastic pieces sequentially arranged along a width direction of the headband, the second clamping section is provided with a plurality of the second elastic pieces sequentially arranged along the width direction of the headband, and each of the first elastic pieces and one of the second elastic pieces are oppositely arranged to form an elastic piece pair;

when the sliding block moves into the opening, the sliding block is matched with at least one elastic sheet pair in a clamping mode.

In an embodiment of the invention, the connecting section is provided with two openings, and the two openings are arranged in a staggered manner in the width direction of the headband;

the first clamping section is provided with at least two first elastic sheets which respectively extend into the two openings, and the second clamping section is provided with at least two second elastic sheets which respectively extend into the two openings;

the connecting section is provided with two sliding blocks, each sliding block can move to one in the opening and is in clamping fit with the first elastic sheet and the second elastic sheet in the opening.

In an embodiment of the present invention, the clamping force adjusting structure further includes a shifting block disposed on the sliding block, the shifting block is located between the first elastic sheet and the second elastic sheet, and at least a part of the shifting block protrudes from the upper surface of the headband.

In an embodiment of the present invention, the clamping force adjusting structure further includes a flexible sleeve disposed to wrap the headband, the flexible sleeve is provided with a bar hole, and the shifting block is limited in the bar hole and can move along the bar hole when the sliding block moves.

To achieve the above object, the present invention also provides a headphone, including:

the clamping force adjusting structure; and

the sounding assembly comprises a left sounding module and a right sounding module, and the two ends of the clamping force adjusting structure are respectively connected with the sounding module and the right sounding module.

According to the technical scheme, the connecting section of the head band of the headset is provided with the opening penetrating through the upper surface and the lower surface of the head band, the first clamping section of the head band is provided with the first elastic piece extending into the opening, the second clamping section of the head band is provided with the second elastic piece extending into the opening, and the connecting section is provided with the movable sliding block. Therefore, when the sliding block does not move into the opening, the equivalent width of the headband at the connecting section is the width of the connecting section, the headband is easier to generate elastic deformation at the connecting section, and the acting force required for propping open the first clamping section and the second clamping section to enable the end parts of the first clamping section and the second clamping section to be far away from each other is smaller; when the slider moved to the opening in and when cooperating with first shell fragment and second shell fragment joint for the linkage segment, first shell fragment and second shell fragment passed through the slider and connect, the equivalent width of bandeau was the width of linkage segment and the partial width sum that the slider stretched into in the opening at linkage segment department, and the bandeau is difficult to produce elastic deformation at linkage segment department, will strut first centre gripping section and second centre gripping section at this moment and make their tip keep away from required effort bigger mutually. Therefore, when the head-wearing earphone adopting the headband structure is worn on the head of a user, the user can adjust the clamping force of the headband on the head by moving the sliding block: for a user with a small head circumference, the sliding block can be moved into the opening to be clamped with the first elastic sheet and the second elastic sheet to enhance the clamping force of the headband, so that the wearing feeling of the headset is more tight to adapt to the small head circumference of the user. To the user that the head circumference is big, can reduce the clamping-force of bandeau with slider back connection segment department, make the wearing body of headphone feel looser and come adaptation user's big head circumference, can promote the user of different head circumferences like this and wear the experience of wearing of the headphone that adopts this bandeau structure.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a headphone according to the present invention;

fig. 2 is an exploded view of the headset of fig. 1;

FIG. 3 is a schematic view of the clamping force adjustment structure shown in FIG. 2;

FIG. 4 is a schematic view of the clamping force adjustment structure shown in FIG. 2 from another perspective;

FIG. 5 is a side view of the clamp force adjustment structure of FIG. 3;

FIG. 6 is a schematic diagram of the headband of FIG. 3;

fig. 7 is a schematic structural view of the slider in fig. 3.

The reference numbers indicate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

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

It should be noted that all directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present invention, unless otherwise explicitly stated or limited, the terms "connected", "fixed", and the like are to be understood broadly, for example, "fixed" may be fixedly connected, may be detachably connected, or may be integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. The same meaning of "and/or" appearing throughout is meant to encompass three juxtapositions, exemplified by "A and/or B," including either solution A, solution B, or both solutions A and B. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The embodiment of the invention provides a clamping force adjusting structure which is applied to a headset and is shown in a combined drawing 1 and a drawing 2, the headset comprises a beam member, a left sounding module and a right sounding module which are connected through the beam member, the left sounding module and the right sounding module respectively comprise an earmuff and a moving-coil sounding unit arranged in the earmuff, and two ends of the beam member are connected with the earmuff of the left sounding module and the earmuff of the right sounding module. When the headset is worn on the head of a user, the earmuffs of the left sound production module and the earmuffs of the right sound production module cover the left ear and the right ear of the user respectively, and the beam member bypasses the top of the head of the user to play a role in clamping the head of the user by the left earmuffs and the right earmuffs and preventing the headset from sliding off. Referring to fig. 2 to 4, the beam member of the headset in this embodiment includes the above-mentioned clamping force adjusting structure, the clamping force adjusting structure includes a headband 1 and a slider 2, the headband 1 includes a first clamping section 11, a connecting section 12 and a second clamping section 13 connected in sequence, the connecting section 12 is provided with an opening 12a penetrating through the upper and lower surfaces of the headband 1, the first clamping section 11 is provided with a first elastic sheet 111 extending into the opening 12a, the second clamping section 13 is provided with a second elastic sheet 131 extending into the opening 12a, and the first elastic sheet 111 and the second elastic sheet 131 are both spaced from the connecting section 12; the sliding block 2 is movably connected with the connecting section 12 and can move into the opening 12a to be in clamping fit with the first elastic sheet 111 and the second elastic sheet 131.

In this embodiment, the headband 1 is connected to the left and right sound modules of the headset, and is used to fix the left and right sound modules on the head of the user. The headband 1 is made of steel, and the steel type can be 301 or 304, so that the headband 1 can be deformed to a certain degree when being worn and clamped and fixed on the head of a user, and can also be elastically restored to the original shape when being taken off, so that the headband can be repeatedly used and is not easy to deform, and the headset can be worn and used for multiple times.

The headband 1 comprises a first clamping section 11, a connecting section 12 and a second clamping section 13, wherein one ends of the first clamping section 11 and the second clamping section 13, which are far away from the connecting section 12, are respectively connected with the left and right sounding modules, and the connecting section 12 is positioned between the first clamping section 11 and the second clamping section 13 and is connected with the first clamping section 11 and the second clamping section 13. The first clamping section 11, the connecting section 12 and the second clamping section 13 may be integrally formed, and at this time, no interface is formed at the joint of the connecting section 12 and the first clamping section 11, the second clamping section 13. The first clamping section 11, the connecting section 12 and the second clamping section 13 can be designed to have the same width, but because the connecting section 12 is provided with an opening 12a, the actual width of the connecting section 12 is smaller than that of the first clamping section 11 and the second clamping section 13. The sum of the width of the connecting section 12 and the width of the opening 12a may be equal to the width of the first clamping section 11 and/or the width of the second clamping section 13.

One side of the first clamping section 11 facing the second clamping section 13 is provided with a first elastic sheet 111 extending into the opening 12a, one side of the second clamping section 13 facing the first clamping section 11 is provided with a second elastic sheet 131 extending into the opening 12a, the first elastic sheet 111 and the second elastic sheet 131 are arranged at intervals and are not directly connected, and the first elastic sheet 111 and the second elastic sheet 131 are further arranged at intervals and are not directly connected with the connecting section 12. The first elastic sheet 111 and the second elastic sheet 131 are in clamping fit with the slider 2 through the modes of hook-hook fit, rail groove fit, and the like, and meanwhile, the slider 2 can move towards the connecting section 12 relative to the first elastic sheet 111 and the second elastic sheet 131. For example, the first elastic sheet 111 and the second elastic sheet 131 are both provided with T-shaped grooves, two ends of the slider 2 are correspondingly provided with two T-shaped slide rails, and each T-shaped slide rail is limited in one T-shaped groove in a sliding manner, so that the slider 2 can be clamped and matched with the first elastic sheet 111 and the second elastic sheet 131 in a limiting manner.

The slider 2 may be located on a side of the lower surface of the headband 1 facing away from the upper surface of the headband 1, or on a side of the upper surface of the headband 1 facing away from the lower surface of the headband 1, and a part of the structure of the slider 2 may be located in the opening 12 a. The sliding block 2 can be movably connected with the connecting section 12 through rail-groove matching and other manners, for example, the connecting section 12 is provided with a sliding rail extending along the width direction of the connecting section 12, and the sliding block 2 is provided with a sliding groove 121a connected with the sliding rail in a sliding manner. The slider 2 can move to the opening 12a along the width direction of the connecting section 12 relative to the connecting section 12, when the slider 2 moves to the opening 12a, part of the structure of the slider can still be in sliding fit with the connecting section 12, at the moment, one end of the slider 2 is in sliding fit with the connecting section 12, and the other end of the slider 2 is located in the opening 12a and is in clamping fit with the first elastic sheet 111 and the second elastic sheet 131. The slider 2 can enter or leave the opening 12a by moving the slider 2, so that the slider 2 is clamped or separated with the first elastic sheet 111 and the second elastic sheet 131, and the equivalent width of the headband 1 at the connecting section 12 can be adjusted.

In the scheme of the embodiment, the opening 12a penetrating through the upper surface and the lower surface of the headband 1 is formed in the connecting section 12 of the headband 1 of the headset, the first elastic piece 111 extending into the opening 12a is arranged on the first clamping section 11 of the headband 1, the second elastic piece 131 extending into the opening 12a is arranged on the second clamping section 13 of the headband 1, and the movable sliding block 2 is arranged on the connecting section 12. Therefore, when the sliding block 2 is not moved into the opening 12a, the equivalent width of the headband 1 at the connecting section 12 is the width of the connecting section 12, the headband 1 is more easily elastically deformed at the connecting section 12, and the acting force required for expanding the first clamping section 11 and the second clamping section 13 to enable the ends of the first clamping section and the second clamping section to be far away from each other is smaller; when the sliding block 2 moves into the opening 12a relative to the connecting section 12 and is in snap fit with the first elastic sheet 111 and the second elastic sheet 131, the first elastic sheet 111 and the second elastic sheet 131 are connected through the sliding block 2, the equivalent width of the headband 1 at the connecting section 12 is the sum of the width of the connecting section 12 and the width of the part of the sliding block 2 extending into the opening 12a, the headband 1 is more difficult to elastically deform at the connecting section 12, and at the moment, the acting force required for propping open the first clamping section 11 and the second clamping section 13 to enable the ends of the two clamping sections to be far away from each other is larger. Therefore, when the headset adopting the structure of the headband 1 is worn on the head of a user, the user can adjust the clamping force of the headband 1 on the head by moving the sliding block 2: for a user with a small head circumference, the sliding block 2 can be moved into the opening 12a to be clamped with the first elastic sheet 111 and the second elastic sheet 131 to enhance the clamping force of the headband 1, so that the wearing feeling of the headset is tighter to adapt to the small head circumference of the user. For a user with a large head circumference, the sliding block 2 can be moved back to the connecting section 12 to reduce the clamping force of the headband 1, so that the wearing body of the headset is looser to adapt to the large head circumference of the user, and the wearing experience of the headset with the structure of the headband 1 worn by the user with different head circumferences can be improved.

In an embodiment of the invention, one end of the first elastic sheet 111 away from the first clamping section 11 is provided with a first connection portion 1111, one end of the second elastic sheet 131 away from the second clamping section 13 is provided with a second connection portion 1311, two ends of the slider 2 are provided with third connection portions 21, and the connection section 12 is provided with a fourth connection portion 121 slidably connected with the third connection portions 21; when the slider 2 is engaged with the first elastic sheet 111 and the second elastic sheet 131, one third connecting portion 21 and the first connecting portion 1111 slide and limit, and the other third connecting portion 21 and the second connecting portion 1311 slide and limit.

In this embodiment, the slider 2 is connected with the connecting section 12 through the third connecting portion 21, the first elastic sheet 111 and the second elastic sheet 131, namely, only one third connecting portion 21 needs to be arranged on the slider 2, the third connecting portion 21 can be used for simultaneously realizing connection with the first elastic sheet 111 and the second elastic sheet 131 and the connecting section 12, so that the slider 2 is prevented from being matched with the connecting portion in a sliding manner, and the slider 2 is matched with the first elastic sheet 111 and the second elastic sheet 131 in a clamping manner through different connecting structures, the number of components of the clamping force adjusting structure can be reduced, and the material cost of the clamping force adjusting structure is reduced. When the third connecting portion 21 is in clamping fit with the first elastic sheet 111 and the second elastic sheet 131, the third connecting portion 21 can also slide relative to the first elastic sheet 111 and the second elastic sheet 131 under the action of external force, that is, when the third connecting portion 21 is in clamping fit with the first connecting portion 1111 and the second connecting portion 1311, the third connecting portion 21 is in clearance fit with the first connecting portion 1111 and the second connecting portion 1311, and the third connecting portion 21 can slide relative to the first connecting portion 1111 and the second connecting portion 1311. Illustratively, as shown in fig. 3 and 4, the first connection portion 1111, the second connection portion 1311, and the third connection portion 21 are all hook structures, the cross-sectional shape of the hook structures is U-shaped, so that a guide groove can be formed by using an inner space of the U-shaped hook structures, and when the third connection portion 21 is snap-fitted to the first connection portion 1111 and the second connection portion 1311, the third connection structure can be guide-fitted to and slide relative to the first connection portion 1111 and the second connection portion 1311.

In an embodiment of the invention, as shown in fig. 3 to fig. 5, at least a part of the first connection portion 1111, the second connection portion 1311 and the third connection portion 21 are disposed in a bent segment, and the third connection portion 21 is adapted to the first connection portion 1111 and the second connection portion 1311.

In this embodiment, at least a portion of the first connection portion 1111, the second connection portion 1311 and the third connection portion 21 is bent to form a bending section, so that the first connection portion 1111, the second connection portion 1311 and the third connection portion 21 are bent to form a hook structure, the third connection portion 21 can be in clamping fit with the first connection portion 1111 and the second connection portion 1311, and can slide relative to the first connection portion 1111 and the second connection portion 1311, thereby realizing the movement of the slider 2 in the width direction of the headband 1, adjusting the equivalent width of the headband 1 at the connection point, and realizing the adjustment of the clamping force of the headband 1.

Referring to fig. 5, the left half area and the right half area in fig. 5 respectively illustrate two structural forms of the third connecting portion 21, wherein as shown in the right half area in fig. 5, the third connecting portion 21 is bent to form a structure with a U-shaped cross section, at this time, the second connecting portion 1311, which is in snap fit with the third connecting portion 21, is bent to form a structure with a U-shaped cross section, the third connecting portion 21 and the second connecting portion are mutually limited and can slide relatively, at this time, the first connecting portion 1111 can also be bent to form a structure with a U-shaped cross section to form a snap fit with the third connecting portion 21. As shown in the left half of fig. 5, the third connection portion 21 is bent to form a structure with a spiral-like cross section, the first connection portion 1111, which is snap-fitted to the third connection portion 21, is bent to form a structure with a spiral-like cross section, the third connection portion 21 and the first connection portion are mutually limited and can slide relative to each other, and the second connection portion 1311 is bent to form a structure with a spiral-like cross section to be snap-fitted to the third connection portion 21.

In an embodiment of the present invention, as shown in fig. 3 and 4, the first connection portion 1111 and the second connection portion 1311 are arranged in a mirror symmetry manner.

In this embodiment, the both ends of slider 2 extend to first centre gripping section 11 and second centre gripping section 13 respectively, the both ends of slider 2 are all buckled and are formed third connecting portion 21, the structure of the third connecting portion 21 at slider 2 both ends is the mirror symmetry setting, also be the mirror symmetry setting with the structure of these two third connecting portions 21 first connecting portion 1111 of joint complex and second connecting portion 1311 respectively, so two third connecting portions 21 can slide spacingly with first connecting portion 1111 and second connecting portion 1311 respectively, realize slider 2's removal regulation. The structure of first connecting portion 1111 and the structure of second connecting portion 1311 are mirror symmetry and set up, the direction that also can make third connecting portion 21 and first connecting portion 1111 chucking mutually is opposite with the direction of third connecting portion 21 and second connecting portion 1311 looks joint, when bandeau 1 is propped open and makes the tip of first clamping section 11 keep away from with the tip of second clamping section 13 like this, third connecting portion 21 can simultaneously with first connecting portion 1111 and the chucking of second connecting portion 1311, and make first clamping section 11 and second clamping section 13 pass through slider 2 zonulae occludens, first clamping section 11 and second clamping section 13 mutual tractive, make it can strut bandeau 1 to exert stronger exogenic action, so just be equivalent to strengthened the clamping force of bandeau 1, the clamping force of bandeau 1 is adjusted has been realized.

In an embodiment of the invention, as shown in fig. 4, fig. 6 and fig. 7, the fourth connecting portion 121 includes two stoppers 1211 disposed on the connecting section 12, each stopper 1211 and the connecting section 12 enclose to form a sliding groove 121a; when the sliding block 2 is connected with the connecting section 12, each third connecting portion 21 is limited in a sliding groove 121a in a sliding manner.

In this embodiment, a third connecting portion 21 is disposed at an end of the slider 2 close to the first clamping section 11 and an end of the slider 2 close to the second clamping section 13, and two opposite stoppers 1211 are disposed on the connecting section 12. When the two stoppers 1211 are connected to the connecting section 12, the two stoppers 1211 and the connecting section 12 cooperate to form two sliding grooves 121a with opposite slot directions, and the sliding grooves 121a have a through-slot structure, so that the third connecting portion 21 can slide along the sliding grooves 121a in a direction toward the opening 12 a. The first connection portion 1111 and the second connection portion 1311 are formed with guide grooves after being bent, the guide groove of the first connection portion 1111 is communicated with one sliding groove 121a to form a guide channel, the guide groove of the second connection portion 1311 is communicated with the other sliding groove 121a to form another guide through groove, the two third connection portions 21 are respectively limited in the two guide channels in a sliding manner, and therefore the sliding limiting matching of the third connection portions 21 and the connection section 12, the first elastic piece 111 and the second elastic piece 131 is achieved. The stopper 1211 can be connected and fixed to the connecting section 12 by welding, bonding, or the like. The fourth connecting portion 121 provided in this embodiment includes two stoppers 1211, which is simple and practical, and is beneficial to saving the manufacturing cost of the clamping force adjusting structure.

In an embodiment of the invention, as shown in fig. 3, 4 and 6, the first clamping section 11 is provided with a plurality of first elastic pieces 111 sequentially arranged along the width direction of the headband 1, the second clamping section 13 is provided with a plurality of second elastic pieces 131 sequentially arranged along the width direction of the headband 1, and each first elastic piece 111 is opposite to one second elastic piece 131 to form an elastic piece pair; when the sliding block 2 moves into the opening 12a, the sliding block 2 is in clamping fit with at least one elastic sheet.

In this embodiment, the plurality of first elastic pieces 111 may be disposed at equal intervals or at unequal intervals, the plurality of second elastic pieces 131 may be disposed at equal intervals or at unequal intervals, each of the first elastic pieces 111 and one of the second elastic pieces 131 are disposed opposite to each other, and the structure of each of the elastic pieces may be disposed in mirror symmetry with the structure of one of the second elastic pieces 131. Each first elastic sheet 111 and one second elastic sheet 131 are matched to form an elastic sheet pair, so that the plurality of first elastic sheets 111 and the plurality of second elastic sheets 131 are matched to form a plurality of elastic sheet pairs, and when the slider 2 moves towards the opening 12a relative to the connecting part, the slider 2 sequentially passes through each elastic sheet pair and is in clamping fit with the elastic sheet pairs passing through the slider. The width of the structure of the sliding block 2 in the opening 12a is wider as the number of the pairs of the elastic sheets passed by the sliding block 2 is larger, and the equivalent width of the headband 1 at the connecting section 12 is larger until the sliding block 2 covers the opening 12a, the sliding block 2 is clamped with all the pairs of the elastic sheets, and the equivalent width of the headband 1 at the connecting position reaches the maximum. In the process that the sliding block 2 moves into the opening 12a and is matched with more and more spring plate pairs in a clamping mode, the equivalent width of the headband 1 at the connecting section 12 is gradually increased, and the corresponding clamping strength of the headband 1 is also gradually increased. By changing the number of the provided pairs of the resilient pieces, the adjustment accuracy of the equivalent width of the headband 1 at the connecting section 12 can be changed accordingly, thereby achieving finer adjustment of the holding strength of the headband 1.

For convenience of describing the present embodiment, taking the width of the connecting section 12 equal to the width of the opening 12a and the number of the pairs of elastic pieces as an example, each pair of elastic pieces is sequentially arranged along the width direction of the headband 1, the pair of elastic pieces closest to the connecting section 12 is a pair of elastic pieces one, the pair of elastic pieces farthest from the connecting section 12 is a pair of elastic pieces three, and the pair of elastic pieces in the middle is a pair of elastic pieces two. When the sliding block 2 is clamped with all the elastic sheet pairs, the clamping strength of the headband 1 is 100%; when the sliding block 2 is only connected with the connecting section 12 and is not connected with any elastic sheet pair, the clamping strength of the headband 1 is 50%; when the sliding block 2 is in clamping fit with the first elastic sheet, the clamping strength of the headband 1 is 67%; when the sliding block 2 is in clamping fit with the second elastic sheet, the clamping strength of the headband 1 is 84%. So, can adjust the centre gripping intensity of wearing at four gears of 50%, 67%, 84% and 100% through setting up three shell fragment group, so can satisfy the comfortable demand of wearing of user to headphone of different head circumferences. When the number of the spring plate pairs is more, the more the gears of the adjustable clamping strength of the corresponding headband 1 are, the more the adjustment of the clamping force of the headband 1 is fine, and the more easily the wearing requirements of the headphones of different users can be matched.

In an embodiment of the present invention, as shown in fig. 3, 4 and 6, the connecting segment 12 is provided with two openings 12a, and the two openings 12a are arranged in a staggered manner in the width direction of the headband 1; the first clamping section 11 is provided with at least two first elastic sheets 111 respectively extending into the two openings 12a, and the second clamping section 13 is provided with at least two second elastic sheets 131 respectively extending into the two openings 12 a; the connecting section 12 is provided with two sliding blocks 2, each sliding block 2 can move into an opening 12a and is in clamping fit with the first elastic sheet 111 and the second elastic sheet 131 in the opening 12 a.

In this embodiment, the opening 12a may be opened in the middle of the connection section 12 or opened at the edge of the connection section 12, taking the opening 12a opened at the edge of the connection section 12 as an example, the connection section 12 has two opposite edges, as shown in fig. 3, one opening 12a is opened at one edge of the connection section 12 and becomes a gap structure, the other opening 12a is opened at the other edge of the connection section 12 and becomes another gap structure, and a part of the connection section 12 connecting the first clamping section 11 and the second clamping section 13 is remained between the two gaps. A first elastic sheet 111 and a second elastic sheet 131 are arranged in each opening 12a according to the method in the above embodiment, two sliders 2 are arranged in the connecting section 12 according to the method in the above embodiment, and each slider 2 is connected with the connecting section 12 in a sliding manner and can slide into one opening 12 a; each slider 2 is adapted to be snap-fitted with the first resilient tab 111 and the second resilient tab 131 in an opening 12a to adjust the equivalent width of the headband 1 at the connecting segment 12. In this embodiment, through the arrangement of the two staggered openings 12a, when the two sliders 2 move in the two openings 12a, the equivalent width of the connecting section 12 can be adjusted in the two openings 12a, so that the adjustment accuracy of the clamping force of the headband 1 and the applicability of the corresponding headset are improved. In addition, in the present embodiment, the plurality of first elastic pieces 111 and the plurality of second elastic pieces 131 are disposed in each opening 12a according to the arrangement manner of the first elastic pieces 111 and the second elastic pieces 131 in the previous embodiment, and similarly, the adjustment accuracy of the clamping force of the headband 1 can be further improved.

In an embodiment of the present invention, as shown in fig. 2 to 4, the clamping force adjusting structure further includes a shifting block 22 disposed on the sliding block 2, the shifting block 22 is located between the first elastic sheet 111 and the second elastic sheet 131, and at least a part of the structure of the shifting block 22 protrudes from the upper surface of the headband 1.

In this embodiment, the shifting block 22 may be connected to the slider 2 by welding, inserting, bonding, or the like, for example, the slider 2 is provided with a protrusion extending toward the upper surface of the headband 1, the shifting block 22 is provided with a plug hole, and the protrusion is inserted into the plug hole, so that the shifting block 22 is fixed to the slider 2. At least part of the structure of the shift block 22 protrudes from the upper surface of the headband 1: on one hand, when the shifting block 22 protrudes towards the lower part of the headband 1, the protruding block can contact with the head of the user to influence the wearing comfort of the corresponding headset; on the other hand, the protrusion is prevented from being hidden in the opening 12a, so that the shifting block 22 is not easy to shift from the outside of the headband 1, and the convenience of the shifting block 22 in use can be improved.

In an embodiment of the present invention, as shown in fig. 1 and fig. 2, the clamping force adjusting structure further includes a flexible sleeve 3 disposed to wrap the headband 1, the flexible sleeve 3 is provided with a strip hole 3a, and the shifting block 22 is limited in the strip hole 3a and can move along the strip hole 3a when the slider 2 moves.

In this embodiment, the flexible sleeve 3 has the outside inner chamber of intercommunication, and the bandeau 1 wears to locate in this inner chamber and is wrapped up fixedly by the flexible sleeve 3, so when the adoption is worn by the headset of pressing from both sides power regulation structure, the flexible sleeve 3 will contact with user's head to avoid steel bandeau 1 and user's head to contact, thereby can promote the travelling comfort when the headset is worn. In addition, through set up the strip hole 3a that can supply shifting block 22 to show and move about on flexible cover 3, can convenience of customers to shifting block 22's use, adjust the clamping-force of headphone more conveniently. Wherein, the material of the flexible sleeve 3 can be silica gel or leather, etc.

The embodiment of the invention also provides a headset, which is shown in fig. 1 and fig. 2, and comprises a sound production assembly and the clamping force adjusting structure, wherein the sound production assembly comprises a left sound production module and a right sound production module, and two ends of a headband 1 of the clamping force adjusting structure are respectively connected with the sound production module and the right sound production module.

In this embodiment, left side sound production module and right sound production module all include the ear muff and locate the moving coil formula sound production unit in the ear muff, and left sound production module's ear muff and right sound production module's ear muff are connected to the both ends of bandeau 1. This headphone wears when user's head, and left earmuff and the earmuff of right sound production mould of left sound production module cover user's left ear and right ear respectively, and bandeau 1 and flexible cover 3 bypass user's top of the head, play the effect that makes left earmuff and right earmuff press from both sides tight user's head and prevent headphone landing. The specific structure of the clamping force adjusting structure in this embodiment refers to the above embodiments, and since the headset employs all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a structure is adjusted to clamp power, is applied to headphone which characterized in that, the structure is adjusted to clamp power includes:

the sliding block is movably connected with the connecting section and can move into the opening to be matched with the first elastic sheet and the second elastic sheet in a clamping mode.

2. A clamping force adjusting structure as claimed in claim 1, wherein one end of the first elastic sheet away from the first clamping section is provided with a first connecting portion, one end of the second elastic sheet away from the second clamping section is provided with a second connecting portion, two ends of the slider are provided with third connecting portions, and the connecting section is provided with a fourth connecting portion slidably connected with the third connecting portions;

when the sliding block is clamped with the first elastic sheet and the second elastic sheet, one of the third connecting portions and the first connecting portion is limited in sliding mode, and the other of the third connecting portions and the second connecting portion is limited in sliding mode.

3. A clamping force adjusting structure as claimed in claim 2, wherein at least a part of the first connecting portion, the second connecting portion and the third connecting portion are arranged in a bending section, and the third connecting portion is matched with the first connecting portion and the second connecting portion.

4. A clamping force adjusting structure as defined in claim 3, wherein the structure of the first connecting portion and the structure of the second connecting portion are arranged in mirror symmetry.

5. A clamping force adjusting structure as defined in claim 2, wherein the fourth connecting portion includes two limiting blocks disposed on the connecting section, each limiting block and the connecting section enclosing to form a chute;

6. The structure of any one of claims 1 to 5, wherein the first grip section is provided with a plurality of the first resilient pieces arranged in sequence in a width direction of the headband, the second grip section is provided with a plurality of the second resilient pieces arranged in sequence in a width direction of the headband, and each of the first resilient pieces is arranged opposite to one of the second resilient pieces and forms a pair of resilient pieces;

when the slider moves to in the opening, the slider and at least one shell fragment are to the joint cooperation.

7. The structure of any one of claims 1 to 5, wherein the connecting section is provided with two of the openings, which are offset in a width direction of the headband;

8. A clamping force adjusting structure as claimed in any one of claims 1 to 5, further comprising a shifting block provided on the sliding block, wherein the shifting block is located between the first resilient piece and the second resilient piece, and at least a part of the shifting block protrudes from the upper surface of the headband.

9. A clamping force adjusting structure as defined in claim 8, further comprising a flexible sleeve disposed to surround said headband, said flexible sleeve having a bar hole, said shift block being retained in said bar hole and capable of moving along said bar hole when said slider moves.

10. A headset, comprising:

the clamping force adjusting structure of any one of claims 1 to 9; and

the sounding assembly comprises a left sounding module and a right sounding module, and the two ends of the clamping force adjusting structure are connected with the sounding module and the right sounding module respectively.