CN112911452B

CN112911452B - Charging box and TWS earphone

Info

Publication number: CN112911452B
Application number: CN202110337210.XA
Authority: CN
Inventors: 龚加庆; 刘衡; 骆俊谕
Original assignee: Goertek Inc
Current assignee: Goertek Inc
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2022-10-18
Anticipated expiration: 2041-03-29
Also published as: CN112911452A

Abstract

The invention discloses a charging box and a TWS earphone, wherein the charging box comprises a box body component, a box cover component and a sliding component, the box body component is provided with a containing cavity, a charging groove and a through hole communicated with the containing cavity, the through hole is arranged close to a notch of the charging groove, the box cover component is provided with a sliding groove, the sliding component comprises a positioning piece and an elastic piece, one end of the positioning piece is limited in the sliding groove in a sliding mode, the other end of the positioning piece movably penetrates through the through hole and extends into the containing cavity, and the elastic piece is sleeved on one end, extending into the containing cavity, of the positioning piece and is elastically abutted to the inner wall of the containing cavity; the positioning piece slides along the sliding groove, so that the box cover assembly covers or opens the notch of the charging groove. The charging box disclosed by the invention has the advantages of smooth sliding and high reliability, effectively reduces the shaking amount of the box cover, can play a role in protecting when being impacted, and improves the reliability of the charging box.

Description

Charging box and TWS earphone

Technical Field

The invention relates to the technical field of earphones, in particular to a charging box and a TWS earphone applying the charging box.

Background

The Bluetooth earphone applies the Bluetooth technology to the hands-free earphone, so that users can avoid annoying wiring stumbling and can easily talk in various ways. Since the advent of bluetooth headsets, it has been a good tool for the mobile commerce industry to increase efficiency. With the development of science and technology, a TWS true wireless Bluetooth headset appears on the market.

In the related art, the TWS bluetooth headset charging box generally comprises a charging box body and a cover body, wherein the cover body and the charging box body are connected by a rotating shaft (e.g., an apple airheads headset box), so as to open and close the cover body. However, the volume of the earphone box is small, the connecting rotating shaft between the cover body and the charging box body is also small, so that the fixed end of the fixed rotary pump is also small, and in the opening and closing process of the cover body, the rotating shaft part is easy to damage or even break under the action of external force, and the use of the TWS Bluetooth earphone charging box is influenced.

Disclosure of Invention

The invention mainly aims to provide a charging box and a TWS earphone, and aims to provide a sliding-cover-type charging box which is smooth in sliding and high in reliability, effectively reduces the shaking amount of a box cover, can play a role in protection when being impacted, and improves the reliability of the charging box.

To achieve the above object, the present invention provides a charging box, including:

the box body assembly is provided with a containing cavity, a charging groove and a through hole communicated with the containing cavity, and the through hole is arranged close to a notch of the charging groove;

the box cover assembly is provided with a sliding groove;

the sliding assembly comprises a positioning piece and an elastic piece, one end of the positioning piece is limited in the sliding groove in a sliding mode, the other end of the positioning piece movably penetrates through the through hole and extends into the containing cavity, and the elastic piece is sleeved at one end, extending into the containing cavity, of the positioning piece and is in elastic abutting joint with the inner wall of the containing cavity;

the positioning piece slides along the sliding groove, so that the box cover assembly covers or opens the notch of the charging groove.

In one embodiment, the positioning element comprises a positioning shaft and a sliding block, one end of the positioning shaft is connected with the sliding block, the other end of the positioning shaft movably penetrates through the through hole and extends into the containing cavity, and a limiting table is arranged on the periphery of the sliding block;

the box cover assembly is further provided with a limiting cavity communicated with the sliding groove, the sliding block is limited in the sliding groove in a sliding mode, and the limiting table is limited in the limiting cavity in a sliding mode.

In an embodiment, the cover assembly includes a first cover and a second cover, the first cover and the second cover enclose to form a cavity, the cavity is the limiting cavity, and the second cover is provided with the chute communicated with the cavity;

a guide groove is formed in one side, facing the first cover body, of the second cover body, the guide groove is arranged close to the sliding groove, and the extending direction of the guide groove is consistent with the extending direction of the sliding groove;

the slider is provided with a guide projection which is slidably accommodated in the guide groove.

In an embodiment, the cartridge assembly includes a bottom case and an inner case, the bottom case and the inner case enclose to form the cavity, one side of the inner case facing away from the bottom case is recessed towards the bottom case to form the charging slot, the inner case is further provided with the through hole, and the through hole is arranged adjacent to a notch of the charging slot;

one side of the inner shell facing the containing cavity is provided with a limiting groove around the through hole, and one end of the elastic piece is accommodated and limited in the limiting groove.

In an embodiment, a limiting member is disposed at an end of the positioning member extending into the accommodating cavity, and an end of the elastic member away from the limiting groove is elastically abutted to the limiting member.

In one embodiment, the sliding assembly further comprises an adjusting piece, the adjusting piece is sleeved at one end of the positioning piece extending into the containing cavity, and the adjusting piece is movably connected with the positioning piece and abutted to the elastic piece.

In one embodiment, the limiting member is a lock nut, and the lock nut is screwed with the positioning member; or, the limiting part is a snap spring, the outer wall of one end of the positioning part, which extends into the accommodating cavity, is provided with a plurality of clamping grooves, and the snap spring is clamped in one of the clamping grooves;

and/or, the adjusting part is an adjusting nut, the positioning part extends into the outer wall of one end of the accommodating cavity and is provided with an external thread, and the adjusting nut is positioned between the limiting part and the elastic part and is in threaded connection with the positioning part.

In one embodiment, the lid assembly is provided with a locating pin;

the box body assembly is also provided with a first positioning groove communicated with the charging groove, and when the box cover assembly covers the charging groove, the positioning pin is limited in the first positioning groove;

and/or the box body assembly is also provided with a second positioning groove communicated with the charging groove adjacent to the through hole; when the box cover assembly opens the charging groove, the positioning pin is limited in the second positioning groove.

In one embodiment, the box body component is further provided with a first magnetic attraction piece adjacent to the through hole, the box cover component is provided with a second magnetic attraction piece and a third magnetic attraction piece, and the second magnetic attraction piece and the third magnetic attraction piece are located at two ends of the chute;

when the box cover assembly covers the charging groove, the second magnetic attraction piece is attracted with the first magnetic attraction piece; when the box cover assembly is opened to the charging groove, the third magnetic attraction piece is attracted with the first magnetic attraction piece.

The invention also provides a TWS earphone which comprises an earphone and the charging box, wherein the earphone is detachably accommodated in the charging groove of the charging box.

According to the technical scheme, the through hole is formed in the box body assembly and is adjacent to the notch of the charging groove, the sliding groove is formed in the box cover assembly, one end of the positioning piece in the sliding assembly is limited in the sliding groove in a sliding mode, the other end of the positioning piece movably penetrates through the through hole and extends into the containing cavity, the elastic piece is sleeved at one end of the positioning piece extending into the containing cavity and is in elastic abutting joint with the inner wall of the containing cavity, so that one end of the positioning piece is positioned at the through hole of the box body assembly, the positioning piece can slide along the sliding groove, and the box cover assembly can slide relative to the box body assembly to cover or open the notch of the charging groove; meanwhile, the cover opening hand feeling of the charging box is adjusted by adjusting the pressing force between the positioning piece and the sliding groove of the box cover component through the elastic piece, and the pressing force between the positioning piece and the sliding groove of the box cover component can be adjusted through the elastic piece even if the sliding groove or the positioning piece is abraded, so that the problem of loosening of the box cover component caused by abrasion is solved; furthermore, when meeting impact such as falling, the elastic piece can also play a buffering role to effectively improve the reliability of the sliding cover type charging box.

Drawings

In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of 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 charging box according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the charging box according to an embodiment of the present invention, with the first cover removed;

FIG. 3 is a schematic structural view of the charging box with a bottom case removed according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a charging box covering a charging slot according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of the charging box opening the charging slot in accordance with one embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a second cover according to an embodiment of the present invention;

fig. 7 is a cross-sectional view of the charging box opening the charging slot in another embodiment of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name(s)
				100	Charging box	221	Sliding chute
1	Box body component	222	Guide groove
				1a	Containing chamber	223	Locating pin
11	Bottom shell	23	Second magnetic attraction piece
				12	Inner shell	24	Third magnetic attraction piece
121	Charging groove	3	Sliding assembly
				122	Through hole	31	Locating piece
123	Limiting groove	311	Positioning shaft
				124	A first positioning groove	312	Position limiting piece
125	Second positioning groove	313	External thread
				13	First magnetic attraction piece	314	Sliding block
2	Box cover assembly	315	Limiting table
				2a	Hollow cavity	316	Guide projection
21	First cover body	32	Elastic piece
				22	Second cover body	33	Adjusting part

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 the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Also, the meaning of "and/or" and/or "appearing throughout is meant to encompass three scenarios, exemplified by" A and/or B "including scenario A, or scenario B, or scenarios where both A and B are satisfied.

In addition, descriptions such as "first", "second", etc. in the present invention are used for descriptive purposes only 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 such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

In the related art, the TWS bluetooth headset charging box generally comprises a charging box body and a cover body, wherein the cover body and the charging box body are connected by a rotating shaft (e.g., an apple airheads headset box), so as to open and close the cover body. However, the volume of the earphone box is small, the connecting rotating shaft between the cover body and the charging box body is also small, so that the fixed end of the fixed rotary pump is also small, and in the opening and closing process of the cover body, the rotating shaft part is easy to damage or even break under the action of external force, and the use of the TWS Bluetooth earphone charging box is influenced. Meanwhile, the existing sliding cover type charging box has the problems of large shaking amount of the box cover, unsmooth sliding, poor reliability and the like due to the structure, the assembly process and the like.

Based on the above-described concept and problems, the present invention proposes a charging box 100. It will be appreciated that the charging box 100 may be used for charging and housing protection for electronic devices such as headsets. In this embodiment, the charging box 100 is a sliding TWS charging box, which can provide a fresh uncovering experience for users, and can easily realize single-hand uncovering operation, thereby reducing the shaking amount of the box cover and improving the smoothness and reliability of sliding.

Referring to fig. 1 to 7, in an embodiment of the present invention, the charging box 100 includes a box body assembly 1, a box cover assembly 2 and a sliding assembly 3, wherein the box body assembly 1 is provided with a cavity 1a, a charging slot 121 and a through hole 122 communicating with the cavity 1a, the through hole 122 is disposed adjacent to a notch of the charging slot 121, the box cover assembly 2 is provided with a sliding slot 221, the sliding assembly 3 includes a positioning member 31 and an elastic member 32, one end of the positioning member 31 is limited in the sliding slot 221 in a sliding manner, the other end of the positioning member 31 movably penetrates through the through hole 122 and extends into the cavity 1a, and the elastic member 32 is sleeved on one end of the positioning member 31 extending into the cavity 1a and elastically abuts against an inner wall of the cavity 1 a; the positioning member 31 slides along the sliding groove 221, so that the lid assembly 2 covers or opens the notch of the charging slot 121.

In this embodiment, the case body assembly 1 is used for installing and placing the components such as the earphone, the case cover assembly 2 and the sliding assembly 3, and the case body assembly 1 provides an installation basis for the components such as the earphone, the case cover assembly 2 and the sliding assembly 3. It can be understood that, in order to make the cartridge assembly 1 to protect and place the earphone, the structure of the cartridge assembly 1 can be selected to be a shell or a cartridge with a space for placing the earphone, that is, the cartridge assembly 1 is provided with a charging slot 121, the charging slot 121 can be used to place the earphone, and can also be used to charge the earphone, and the like, without limitation.

It should be understood that the cover assembly 2 is disposed above, laterally or below the case assembly 1, and is not limited thereto. In this embodiment, the case lid assembly 2 is disposed above the case body assembly 1 as an example. Lid subassembly 2 and 1 swing joint of box body subassembly to realize that lid subassembly 2 lid closes or open the notch of charging groove 121, thereby realize placing and protecting of earphone.

In this embodiment, through setting up sliding assembly 3, make sliding assembly 3 in the one end of setting element 31 slide spacing in the spout 221 of lid subassembly 2, make setting element 31 and lid subassembly 2 can slide each other, the other end activity of setting element 31 passes through-hole 122, and stretch into and hold the chamber 1a, and locate the one end that the setting element 31 stretches into and holds the chamber 1a through elastic component 32 cover, and with the inner wall elasticity butt that holds chamber 1a, make setting element 31 be located the through-hole 122 department of box subassembly 1. When the lid assembly 2 is pushed to slide relative to the case assembly 1, the positioning member 31 slides along the sliding groove 221, so that the lid assembly 2 covers or opens the notch of the charging groove 121.

It is understood that the positioning member 31 of the sliding assembly 3 can be selected from a positioning rod, a positioning post, a positioning shaft, and the like, and is not limited herein. The elastic member 32 may be a spring or an elastic rubber pad or other structures with elastic or buffering functions, and is not limited herein.

According to the charging box 100, the through hole 122 is formed in the box body assembly 1 and is adjacent to the notch of the charging groove 121, the sliding groove 221 is formed in the box cover assembly 2, one end of the positioning piece 31 in the sliding assembly 3 is limited in the sliding groove 221 in a sliding mode, the other end of the positioning piece 31 movably penetrates through the through hole 122 and extends into the accommodating cavity 1a, one end of the positioning piece 31 extending into the accommodating cavity 1a is sleeved with the elastic piece 32 and is in elastic abutting joint with the inner wall of the accommodating cavity 1a, so that one end of the positioning piece 31 is positioned at the through hole 122 of the box body assembly 1, the positioning piece 31 can slide along the sliding groove 221, and the box cover assembly 2 can slide relative to the box body assembly 1 to cover or open the notch of the charging groove 121; meanwhile, the elastic element 32 is used for adjusting the pressing force between the positioning element 31 and the sliding groove 221 of the box cover assembly 2, so that the cover opening hand feeling of the charging box 100 can be adjusted, and even if the sliding groove 221 or the positioning element 31 is abraded, the elastic element 32 can be used for adjusting the pressing force between the positioning element 31 and the sliding groove 221 of the box cover assembly 2, so that the problem of loosening of the box cover assembly 2 caused by abrasion is solved; further, the elastic member 32 may also play a role of buffering when encountering impacts such as falling, so as to effectively improve the reliability of the slide type charging box 100.

In an embodiment, as shown in fig. 2, 4 to 7, the positioning member 31 includes a positioning shaft 311 and a sliding block 314, one end of the positioning shaft 311 is connected to the sliding block 314, the other end of the positioning shaft 311 movably passes through the through hole 122 and extends into the cavity 1a, and a limit table 315 is disposed on a periphery of the sliding block 314; the box cover assembly 2 is further provided with a limiting cavity communicated with the sliding groove 221, the sliding block 314 is limited in the sliding groove 221 in a sliding mode, and the limiting table 315 is limited in the limiting cavity in a sliding mode.

In this embodiment, the positioning element 31 is provided as the positioning shaft 311 and the sliding block 314, so that the positioning element 31 is slidably matched with the sliding slot 221 of the lid assembly 2 through the sliding block 314, and meanwhile, the positioning connection is achieved, so as to prevent the positioning element 31 from being separated from the sliding slot 221 of the lid assembly 2. It can be understood that the periphery of the sliding block 314 is provided with a limiting platform 315, and the box cover assembly 2 is further provided with a limiting cavity communicated with the sliding groove 221, so that the sliding block 314 is limited in the sliding groove 221 in a sliding manner, and the limiting platform 315 is limited in the limiting cavity in a sliding manner. Optionally, the limiting cavity may be a cavity, a groove, a through groove structure, or the like, which is not limited herein.

It is understood that the positioning shaft 311 and the sliding block 314 can be fixedly connected, for example, by welding or integrally forming, so as to improve the structural strength of the positioning member 31 and simplify the processing steps of the positioning member 31. Of course, in other embodiments, the positioning shaft 311 and the sliding block 314 may be detachably connected, for example, by a snap connection, a plug-in fit, a screw connection, a pin connection, or a threaded connection, so as to improve the convenience of assembling and disassembling the positioning member 31.

In this embodiment, the end of the positioning shaft 311 away from the elastic element 32 penetrates the slider 314, and in order to avoid the separation of the positioning shaft 311 from the slider 314, a boss is convexly disposed on the end of the positioning shaft 311 away from the elastic element 32 in the radial direction thereof, so that the boss is in limit abutment with the slider 314. It will be appreciated that in order to avoid interference of the surface of the boss of the positioning shaft 311 protruding the slider 314 with other components of the lid assembly 2, the slider 314 is provided with a recess such that the boss is received and retained within the recess, and is not limited herein.

In an embodiment, as shown in fig. 2 to 7, the lid assembly 2 includes a first lid 21 and a second lid 22, the first lid 21 and the second lid 22 enclose to form a cavity 2a, the cavity 2a is a limiting cavity, and the second lid 22 is provided with a sliding groove 221 communicating with the cavity 2 a; one side of the second cover 22 facing the first cover 21 is provided with a guide slot 222, the guide slot 222 is disposed adjacent to the sliding slot 221, and the extending direction of the guide slot 222 is the same as the extending direction of the sliding slot 221; the slider 314 is provided with a guide projection 316, and the guide projection 316 is slidably received in the guide groove 222.

In the embodiment, the lid assembly 2 is configured as two parts, namely, the first lid 21 and the second lid 22, so that on one hand, the second lid 22 and the slider 314 of the positioning member 31 are conveniently used for realizing sliding limit connection; on the other hand, the first cover 21 improves the appearance of the lid assembly 2.

It can be understood that the first cover 21 and the second cover 22 can be detachably connected, for example, by using a snap connection, a plug fit, a screw connection, or a pin connection, so as to improve the convenience of assembling and disassembling the first cover 21 and the second cover 22.

In this embodiment, the first cover 21 and the second cover 22 are connected as a whole and enclose the cavity 2a, and the second cover 22 is provided with a sliding groove 221, so that the sliding groove 221 communicates with the cavity 2a. It can be understood that the sliding slot 221 penetrates through the second cover 22, that is, the sliding slot 221 is a through slot or a through hole structure. Optionally, the sliding groove 221 is disposed in a strip-shaped or a kidney-shaped hole, which is not limited herein.

It can be understood that, in order to facilitate the sliding limit installation of the sliding block 314 of the positioning member 31, the limit table 315 of the sliding block 314 is limited between the first cover 21 and the second cover 22, that is, the cavity 2a is a limit cavity. In this embodiment, in order to facilitate the sliding of the sliding block 314 along the sliding groove 221, a sliding table is protruded on one side of the second cover 22 facing the first cover 21, and the sliding table is disposed on two opposite sides of the sliding groove 221 and extends along the extending direction of the sliding groove 221.

In this embodiment, in order to further guide the sliding block 314 sliding along the sliding slot 221, one side of the second cover 22 facing the first cover 21 is provided with a guiding slot 222, the guiding slot 222 is provided on two opposite sides of the sliding slot 221 and extends along the extending direction of the sliding slot 221, and the sliding block 314 is provided with a guiding protrusion 316, such that the guiding protrusion 316 is slidably received in the guiding slot 222, such that when the sliding block 314 slides along the sliding slot 221, the guiding protrusion 316 slides along the guiding slot 222. Meanwhile, the sliding block 314 is installed in a sliding limiting mode, and the installation stability is further improved.

Optionally, the sliding block 314 is provided with at least one guiding inclined surface, which is located in the direction in which the sliding block 314 moves along the sliding groove 221, so that the sliding block 314 can avoid a large collision or damage to the first cover 21.

In an embodiment, as shown in fig. 1 to 5 and 7, the cartridge assembly 1 includes a bottom shell 11 and an inner shell 12, the bottom shell 11 and the inner shell 12 enclose a cavity 1a, one side of the inner shell 12 facing away from the bottom shell 11 is recessed toward the bottom shell 11 to form a charging slot 121, the inner shell 12 is further provided with a through hole 122, and the through hole 122 is disposed adjacent to a notch of the charging slot 121; a limiting groove 123 is formed around the through hole 122 at one side of the inner shell 12 facing the cavity 1a, and one end of the elastic element 32 is accommodated and limited in the limiting groove 123.

In this embodiment, the cartridge assembly 1 is configured as two parts, namely the bottom case 11 and the inner case 12, so that the bottom case 11 and the inner case 12 are conveniently used to enclose the cavity 1a, and thus the cavity 1a can be used to install and protect the components, such as the charging assembly, of the charging cartridge 100. It can be understood that the bottom case 11 and the inner case 12 may be detachably connected by means of a snap connection, a plug fit, a screw connection, or a pin connection, so as to facilitate the assembly and disassembly of the components of the charging box 100, such as the charging assembly.

It can be understood that one side of inner shell 12 facing away from bottom shell 11 is recessed towards bottom shell 11 to form charging slot 121, so that receiving cavity 1a and charging slot 121 are independent and isolated from each other, thereby conveniently utilizing charging slot 121 to store and protect the earphone. In this embodiment, the through hole 122 is formed in the inner shell 12, so that the through hole 122 is disposed adjacent to the notch of the charging slot 121 and is communicated with the cavity 1a, thereby facilitating the installation of the positioning element 31 and effectively avoiding the interference of the positioning element 31 on the earphone placed in the charging slot 121.

In this embodiment, a limiting groove 123 is formed around the through hole 122 on one side of the inner shell 12 facing the cavity 1a, so that one end of the elastic element 32 is accommodated and limited in the limiting groove 123, thereby realizing limiting installation of the elastic element 32.

It can be understood that one side of inner shell 12 back to drain pan 11 is equipped with the recess around through-hole 122, and so usable recess realizes spacingly to the slider 314 of setting element 31, avoids setting element 31 to take place great rocking scheduling problem in through-hole 122, also plays protection location axle 311 simultaneously, when avoiding the great strength of user to promote lid assembly 2 for the damage or the fracture scheduling problem of location axle 311.

In an embodiment, as shown in fig. 3 to 5 and 7, a limiting member 312 is disposed at an end of the positioning member 31 extending into the cavity 1a, and an end of the elastic member 32 away from the limiting groove 123 elastically abuts against the limiting member 312.

It can be understood that, by providing the limiting member 312 at one end of the positioning shaft 311 of the positioning member 31 far from the sliding block 314, the two ends of the elastic member 32 are respectively limited between the limiting member 312 and the limiting groove 123. In this embodiment, the limiting member 312 may be a boss structure protruding from one end of the positioning shaft 311 of the positioning member 31 away from the slider 314 in the radial direction thereof. Optionally, the stopper 312 and the positioning shaft 311 of the positioning element 31 are formed integrally.

As shown in fig. 3 to fig. 5, the limiting member 312 may be a lock nut, that is, the limiting member 312 and the positioning shaft 311 of the positioning member 31 are separately disposed, so that the lock nut is screwed with the positioning shaft 311 of the positioning member 31, which is not limited herein.

As shown in fig. 7, the limiting member 312 may be a snap spring, at this time, the outer wall of one end of the positioning shaft 311 of the positioning member 31, which extends into the accommodating cavity 1a, is provided with a plurality of clamping grooves, and the snap spring is clamped in one clamping groove to realize clamping of the snap spring and the positioning shaft 311 of the positioning member 31, so that the snap spring is utilized to limit the elastic member 32, that is, two ends of the elastic member 32 are respectively limited between the snap spring and the limiting groove 123, so as to realize pre-tightening force adjustment of the elastic member 32.

In an embodiment, as shown in fig. 3 to fig. 5, the sliding assembly 3 further includes an adjusting member 33, the adjusting member 33 is sleeved at one end of the positioning member 31 extending into the cavity 1a, and the adjusting member 33 is movably connected to the positioning member 31 and abuts against the elastic member 32, so as to adjust the pre-tightening force of the elastic member 32.

In this embodiment, through setting up regulating part 33 to adjust the flexible volume of elastic component 32 through regulating part 33, adjust according to the condition of rocking of box body subassembly 2 on the box 100 that charges conveniently, thereby reduce rocking of box body subassembly 2. It can be understood that the adjusting element 33 can adjust the pretightening force of the elastic element 32 to obtain the best sliding hand feeling, and the elasticity of the elastic element 32 can also play a role in buffering.

In an embodiment, as shown in fig. 3 to 5, the adjusting member 33 is an adjusting nut, and an external thread 313 is disposed on an outer wall of the positioning member 31 extending into the cavity 1a, so that the adjusting member 33 is threadedly connected to the positioning shaft 311 of the positioning member 31 through the external thread 313. The adjustment of the amount of expansion and contraction of the elastic member 32 is achieved by the rotation of the adjusting member 33 with respect to the positioning shaft 311 of the positioning member 31. Optionally, an adjustment nut is located between the stop member 312 and the elastic member 32.

It is understood that the adjusting member 33 and the limiting member 312 can be configured as a double nut structure to cooperate to achieve the locking and adjust the amount of expansion and contraction of the elastic member 32. Of course, in other embodiments, the limiting member 312 may also be configured as a self-locking nut structure, and the adjusting member 33 is not required to be configured; or the adjusting member 33 may be configured as a self-locking nut structure, etc., and is not limited herein.

In one embodiment, as shown in fig. 1, 2, 4-7, the lid assembly 2 is provided with a positioning pin 223; the box body component 1 is further provided with a first positioning groove 124 communicated with the charging groove 121, and when the box cover component 2 covers the charging groove 121, the positioning pin 223 is limited in the first positioning groove 124.

In this embodiment, the positioning pin 223 is convexly disposed on the side of the second cover 22 of the box cover assembly 2 opposite to the first cover 21, and the first positioning groove 124 communicated with the charging groove 121 is disposed on the inner shell 12 of the box body assembly 1, so that when the box cover assembly 2 covers the charging groove 121, the positioning pin 223 is limited in the first positioning groove 124, so as to realize the indication and limitation of the covering of the box cover assembly 2.

It can be understood that the first positioning slot 124 is located on the sliding path of the lid assembly 2, that is, the first positioning slot 124 is located in the extending direction of the sliding slot 221, that is, when the lid assembly 2 covers the charging slot 121, the first positioning slot 124 and the positioning member 31 are located at two end positions of the sliding slot 221 respectively.

In an embodiment, as shown in fig. 1, 2, 4 to 7, the box assembly 1 is further provided with a second positioning slot 125 adjacent to the through hole 122 and communicated with the charging slot 121; when the lid assembly 2 opens the charging slot 121, the positioning pin 223 is limited in the second positioning slot 125.

In this embodiment, set up the second constant head tank 125 that communicates charging groove 121 on inner shell 12 of box body subassembly 1, so when lid subassembly 2 opened charging groove 121, locating pin 223 is spacing in second constant head tank 125 to the realization is opened suggestion and spacing that targets in place to lid subassembly 2, can be used to prevent that lid subassembly 2 from slipping the head, and can make things convenient for magnet on the lid subassembly 2 and the magnet on the box body subassembly 1 to counterpoint.

It can be understood that the second positioning slot 125 is located on the sliding path of the lid assembly 2, that is, the second positioning slot 125 is located in the extending direction of the sliding slot 221 and is disposed adjacent to the through hole 122, that is, when the charging slot 121 is opened by the lid assembly 2, the first positioning slot 124 and the positioning member 31 are located at an end position of the sliding slot 221.

In an embodiment, as shown in fig. 2, 3 and 6, the box body assembly 1 is further provided with a first magnetic attraction piece 13 adjacent to the through hole 122, the box cover assembly 2 is provided with a second magnetic attraction piece 23 and a third magnetic attraction piece 24, and the second magnetic attraction piece 23 and the third magnetic attraction piece 24 are located at two ends of the sliding groove 221; when the box cover component 2 covers the charging groove 121, the second magnetic attraction piece 23 is attracted with the first magnetic attraction piece 13; when the lid assembly 2 opens the charging slot 121, the third magnetic attraction piece 24 attracts the first magnetic attraction piece 13.

In this embodiment, the first magnetic attraction piece 13 is disposed on the box body assembly 1, and the second magnetic attraction piece 23 and the third magnetic attraction piece 24 are disposed on the box cover assembly 2, so that when the charging slot 121 is covered by the box cover assembly 2, the second magnetic attraction piece 23 and the first magnetic attraction piece 13 attract each other; when the charging groove 121 is opened by the box cover component 2, the third magnetic attraction piece 24 and the first magnetic attraction piece 13 attract each other, so that the covering or opening of the box cover component 2 is prompted and limited.

It is understood that the first magnetic attracting element 13, the second magnetic attracting element 23, and the third magnetic attracting element 24 can be selected from magnets, but are not limited thereto. In this embodiment, the first magnetic member 13 is embedded in the box assembly 1, that is, the first magnetic member 13 is disposed in the cavity 1a and connected to a side of the inner shell 12 facing the bottom shell 11. By such arrangement, the first magnetic attraction piece 13 is not exposed in the air, so that the first magnetic attraction piece 13 is protected, and the appearance of the box body assembly 1 is more attractive. Optionally, a receiving groove is disposed on a side of the inner shell 12 facing the bottom shell 11, and the first magnetic member 13 is received and limited in the receiving groove, which is not limited herein.

In this embodiment, as shown in fig. 2 and fig. 6, the second magnetic element 23 and the third magnetic element 24 are embedded in the lid assembly 2, that is, the second magnetic element 23 and the third magnetic element 24 are disposed in the cavity 2a and connected to a side of the second cover 22 facing the first cover 21. Optionally, a receiving groove is formed on a side of the second cover 22 facing the first cover 21, and the second magnetic member 23/the third magnetic member 24 are received and limited in the receiving groove, which is not limited herein. With such arrangement, the second magnetic element 23/the third magnetic element 24 can be prevented from being exposed to the air, so as to protect the second magnetic element 23/the third magnetic element 24 and make the appearance of the lid assembly 2 more beautiful. Optionally, the second magnetic attracting member 23 and the third magnetic attracting member 24 are located at both ends of the sliding slot 221.

It can be understood that the first magnetic attraction piece 13 and the second/third magnetic attraction pieces 23/24 can be attracted to each other to position the lid assembly 2 in the open position and the closed position, and to damp the opening and closing of the lid.

In an embodiment, as shown in fig. 2, 3 and 6, the first magnetic attraction pieces 13 include two, and the two first magnetic attraction pieces 13 are symmetrically disposed on two sides of the through hole 122; the second magnetic attraction piece 23 and the third magnetic attraction piece 24 both comprise two pieces, the two second magnetic attraction pieces 23 are symmetrically arranged at one end of the sliding groove 221, and the two third magnetic attraction pieces 24 are symmetrically arranged at the other end of the sliding groove 221.

Optionally, two first magnetic attraction pieces 13 are symmetrically arranged on two sides of the through hole 122, so that the box cover component 2 can be conveniently opened or closed in place, and stable limiting and prompting can be realized. The two second magnetic attraction pieces 23 and the two third magnetic attraction pieces 24 are located at two ends of the sliding groove 221, the two second magnetic attraction pieces 23 are symmetrically arranged on two opposite sides of one end of the sliding groove 221, and the two third magnetic attraction pieces 24 are symmetrically arranged on two opposite sides of the other end of the sliding groove 221.

In this embodiment, the cartridge assembly 1 is provided with two charging slots 121, and the two charging slots 121 are spaced and symmetrically disposed, so that the through hole 122 is located on a symmetrical line between the two charging slots 121, which is not limited herein.

The charging box 100 of the present invention further includes a charging assembly disposed in the cavity 1a and a charging spring pin disposed in the charging groove 121, the charging assembly includes a main board, a battery and an FPC board, the battery is electrically connected to the main board and the FPC board, and the FPC board is electrically connected to the charging spring pin. It is understood that the side wall of the bottom case 11 of the charging box 100 is provided with a power connection port for connecting a power supply, which is electrically connected with the main board. The power supply is connected through the power connection port, and when the Bluetooth headset is placed in the charging groove 121, the Bluetooth headset can be charged.

The charging box 100 of the invention realizes adjustable sliding hand feeling, can be adjusted according to the needs, can play a role in buffering by arranging the elastic piece 32 and utilizing the elastic piece 32, can play a role in protecting the charging box 100 when the charging box 100 is impacted, and improves the reliability of the charging box 100. By providing the positioning pin 223, the problem of deflection of the lid assembly 2 can be prevented. It can be understood that the lid assembly 2 of the charging box 100 is further provided with a lid opening detection magnet, so that when the lid assembly 2 opens the charging slot 121, the charging pin can be disconnected from the charging contact of the earphone. The elastic element 32 is in a compressed state, the box cover component 2 is pressed on the box body component 1 through the sliding block 314, and the adjusting nut can adjust the expansion amount of the elastic element 32, so that the pressing force of the box cover component 2 is adjusted, and the sliding friction force of the box cover component 2 relative to the box body component 1 is adjusted.

The present invention also proposes a TWS headset including a headset and a charging case 100, the headset being detachably accommodated in a charging slot 121 of the charging case 100. The specific structure of the charging box 100 refers to the foregoing embodiments, and since the TWS headset adopts all the technical solutions of all the foregoing embodiments, at least all the beneficial effects brought by the technical solutions of the foregoing embodiments are achieved, and no further description is given here.

In the present embodiment, the TWS headset includes two earphones, the charging box 100 is provided with two charging slots 121, and the two charging slots 121 are spaced and symmetrically disposed, so that each earphone is placed in one charging slot 121.

It can be understood that, in order to make the earphone put into the charging groove 121 in can be fixed a position and fasten, be equipped with the magnetic part in the earphone, the box body subassembly 1 of the box 100 that charges corresponds two charging grooves 121 and is provided with magnetism respectively and inhales the piece, so put into the charging groove 121 at the earphone in, through the mutual actuation of two magnetic parts to realize the spacing and the location of earphone and place.

In this embodiment, the earphone is provided with a charging contact piece, a charging spring pin is arranged in the charging groove 121, so that the earphone is placed in the charging groove 121, the two magnetic pieces attract each other, and the charging contact piece of the earphone is abutted or plugged with the charging spring pin in the charging groove 121, so that the charging of the earphone is realized.

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. A charging box characterized by comprising:

the box cover assembly is provided with a sliding groove;

2. The charging box according to claim 1, wherein the positioning member comprises a positioning shaft and a sliding block, one end of the positioning shaft is connected with the sliding block, the other end of the positioning shaft movably penetrates through the through hole and extends into the containing cavity, and a limiting table is arranged on the periphery of the sliding block;

3. The charging box according to claim 2, wherein the box cover assembly comprises a first cover body and a second cover body, the first cover body and the second cover body enclose to form a cavity, the cavity is the limiting cavity, and the second cover body is provided with the sliding groove communicated with the cavity;

4. The charging box of claim 1, wherein the box body assembly comprises a bottom shell and an inner shell, the bottom shell and the inner shell enclose the cavity, one side of the inner shell, which faces away from the bottom shell, is recessed towards the bottom shell to form the charging slot, the inner shell is further provided with the through hole, and the through hole is arranged adjacent to a slot opening of the charging slot;

5. The charging box according to claim 4, wherein a limiting member is disposed at an end of the positioning member extending into the cavity, and an end of the elastic member away from the limiting groove is elastically abutted against the limiting member.

6. The charging box according to claim 5, wherein the sliding assembly further comprises an adjusting member, the adjusting member is sleeved at one end of the positioning member extending into the cavity, and the adjusting member is movably connected with the positioning member and abuts against the elastic member.

7. The charging box according to claim 6, wherein the limiting member is a lock nut, and the lock nut is screwed with the positioning member; or, the limiting part is a snap spring, the outer wall of one end of the positioning part, which extends into the accommodating cavity, is provided with a plurality of clamping grooves, and the snap spring is clamped in one of the clamping grooves;

8. A charging box according to any of claims 1 to 7, wherein the box cover assembly is provided with a positioning pin;

9. A charging box according to any one of claims 1 to 7, wherein the box body component is further provided with a first magnetic element adjacent to the through hole, the box cover component is provided with a second magnetic element and a third magnetic element, and the second magnetic element and the third magnetic element are located at two ends of the chute;

10. A TWS headset comprising a headset and a charging cartridge according to any of claims 1 to 9, the headset being removably received in a charging slot of the charging cartridge.