CN220874694U - Assembly structure of behind-the-ear hanging main board bin shell - Google Patents

Abstract

The utility model relates to the technical field of ear hook assemblies and discloses an assembly structure of a cabin shell of a main board of a behind-the-ear hook. According to the utility model, through the riveting structure, the fixed connection of the rear hanging component, the ear hanging component and the earphone main body is realized, the stress range is increased, the connection state is firmer, and the integral volume of the earphone is not required to be increased for rivets and hole sites, so that the earphone is lighter and more attractive.

Description

Assembly structure of behind-the-ear hanging main board bin shell

Technical Field

The utility model relates to the technical field of ear hook assemblies, in particular to an assembly structure of a cabin shell of a main board of a behind-the-ear hook.

Background

Headphones are listening devices that are often used in people's lives, and are mainly divided into neck band headphones, head phones, and ear-hanging headphones. The headset comprises a headset body, an ear-hanging component and a rear-hanging component.

Reference is made to the prior art published patent with publication no: CN207070282U, discloses a bone conduction earphone, which comprises two ear-hanging components and a back-hanging component, wherein the ear-hanging component comprises a first shell, a second shell and a connecting component for connecting the first shell and the second shell, two ends of the back-hanging component are provided with plug-in parts, and the plug-in parts are respectively matched with the first shells of the two ear-hanging components in a plug-in manner and are fixedly connected; however, the technical scheme has the defects that: 1. after the plugging is finished, the disassembly and maintenance are difficult, basically the rear hanging assembly needs to be replaced, and the later maintenance cost is high; 2. because the rear hanging component is small in size, the stress area of the disclosed plug-in part and the connecting part is small, the stress range is not high, and the connecting structure of the connecting part and the plug-in part is easy to deform and even damage when receiving larger tensile force.

Disclosure of utility model

Aiming at the defects of the prior art, the rear hanging component and the ear hanging component are matched in an embedded way, so that the defects of small stress range and high maintenance cost after damage are overcome.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the assembly structure of the bin shell of the behind-the-ear hanging main board comprises a shell, wherein the shell comprises a bin body for accommodating a circuit board and a cover body, the bin body forms a visible containing cavity with one end open, and the cover body is arranged on the bin body in a covering manner and is used for covering the opening; the bin body is provided with a connecting part, the connecting part is provided with an embedding hole communicated with the visual containing cavity, and the embedding hole is used for containing an external ear hook or an external back hook.

Preferably, the connecting part is provided with a containing hole which is communicated with the embedded hole, and the containing hole is used for containing a pin shaft inserted into the ear hook or a pin shaft inserted into the rear hook.

Preferably, the housing includes a housing body for accommodating the circuit board and a cover body forming a visual cavity with one end open, and the cover body is covered on the opening.

Preferably, the joint between the bin body and the cover body is coated with adhesive.

Preferably, a positioning column is arranged at the inner side of the bin body, a positioning hole matched with the positioning column is formed in the circuit board, and the positioning column is inserted into the positioning hole.

Preferably, the outer side of the shell is coated with an elastic covering layer, and the elastic covering layer covers the accommodating hole.

Preferably, the elastic cover layer is provided with a hole position matched with the waterproof button piece and the charging base.

Preferably, the bin body is provided with a limit step part along the outline of the opening, the cover body is provided with a plug-in connection part matched with the limit step part, and the plug-in connection part is abutted against the limit step part after being inserted into the opening.

Preferably, the bin body is provided with a protruding part along the outline of the opening, the cover body is provided with a recessed part matched with the protruding part, the protruding part is inserted into the recessed part, and the cover body and the bin body are sleeved.

Preferably, at least a circuit board is arranged in the bin body, functional keys are arranged on the circuit board, key hole positions matched with the functional keys in position are arranged on the shell, and waterproof button pieces are arranged on each key hole position.

Preferably, the waterproof button piece includes waterproof welt and button, and waterproof welt bonds in the internal wall of storehouse, and waterproof welt covers the button hole site, is equipped with the support column on the waterproof welt, and this support column passes the button hole site from inside to outside, and the button is equipped with grafting portion and sets up the support column skeleton in grafting portion week side, and support column post top and support column skeleton registrate, be equipped with the spliced eye with grafting portion looks adaptation on the support column, grafting portion and spliced eye grafting.

Preferably, the waterproof lining board is provided with an annular bulge and a righting bulge near one side end surface of the circuit board, and the annular bulge is positioned on the periphery of the righting bulge.

Preferably, the top end of the righting protrusion is a straight surface, the annular protrusion is an arc protrusion, and the righting protrusion and the top end of the annular protrusion are at the same height.

Preferably, the bin body is provided with a charging base, the charging base comprises an installation groove formed integrally with the bin body and a rechargeable battery installed in the installation groove, and the rechargeable battery is electrically connected with the circuit board.

Preferably, the mounting groove position comprises a cylinder mounting groove arranged on the inner wall of the bin body, the outer wall of the bin body is provided with a terminal mounting groove communicated with the cylinder mounting groove, the cylinder mounting groove and the terminal mounting groove form a hole site penetrating through the wall body of the bin body, and the terminal mounting groove is larger than the outer diameter of the cylinder mounting groove.

Preferably, the rechargeable battery comprises a charging circuit board and a charging terminal inserted on the charging circuit board, the charging terminal comprises an electrode end and a mounting column which are integrally arranged, the charging terminal is inserted into the position from outside, the mounting column is inserted into the charging circuit board, the mounting column is in scarf joint with the column mounting groove, and the electrode end is in scarf joint with the terminal mounting groove.

Preferably, the mounting column is sleeved with a sealing ring, the sealing ring is positioned at the joint of the electrode terminal and the mounting column, and the sealing ring is respectively abutted against the bottom surface of the electrode terminal and the inner end surface of the terminal mounting groove.

Preferably, the mounting groove position further comprises a magnet mounting groove, and a magnetic attraction piece is arranged in the magnet mounting groove.

Compared with the prior art, the utility model has the following beneficial effects:

According to the utility model, the connecting parts are arranged, the embedded sections arranged on the rear hanging component and the embedded sections arranged on the earphone main body can be respectively inserted into the accommodating holes of the two connecting parts and are preliminarily and fixedly connected through the adhesive, the rivet holes and the hole positions arranged on the embedded sections are riveted on the rivet holes and the hole positions through the rivets, so that the fixed connection of the rear hanging component, the ear hanging component and the earphone main body is realized, the stress range is improved, the connection state is firmer, the integral volume of the earphone is not required to be increased for the rivets and the hole positions, and the earphone is lighter and more attractive.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a partially exploded view of the first embodiment of the present utility model;

FIG. 3 is a partially exploded view of the second embodiment of the present utility model;

FIG. 4 is a partially exploded view of the third embodiment of the present utility model;

FIG. 5 is a cross-sectional view of a portion of the structure of the present utility model;

Fig. 6 is a partial cross-sectional view of a second embodiment of the present utility model.

The reference designations in the drawings are as follows:

1. a connection part; 2. an accommodation hole; 3. riveting holes; 4. a bin body; 5. a cover body; 6. an opening; 7. a rivet; 8. a limit step part; 9. an insertion section; 10. a rear hitch assembly; 11. a first connector; 12. a first embedded section; 13. a first hole site; 14. a limit groove; 15. a second embedded section; 16. positioning columns; 17. positioning holes; 18. an elastic cover layer; 20. an ear-hook assembly; 21. a circuit board; 22. a key hole site; 23. a waterproof button member; 231. a waterproof lining board; 232. a key; 233. a support column; 234. a plug-in part; 235. a support column framework; 236. a plug hole; 24. an annular protrusion; 25. a positive protrusion; 26. a charging base; 261. a column mounting groove; 262. a terminal mounting groove; 263. a magnet mounting groove; 264. a magnetic attraction body; 27. a rechargeable battery; 271. a charging circuit board; 272. a charging terminal; 273. an electrode terminal; 274. a mounting column; 275. and (3) sealing rings.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 6, an embodiment of the present utility model provides: the utility model provides an assembly structure of behind-the-ear hanging mainboard storehouse shell, includes the shell, and the shell is including the storehouse body 4 and the lid 5 of holding the circuit board, and the storehouse body 4 forms the visual cavity of one end opening 6, and lid 5 covers to be established on opening 6, and the shell tip is equipped with connecting portion 1, and connecting portion 1 is equipped with accommodation hole 2, and connecting portion 1 side is equipped with riveting hole 3, and this riveting hole 3 communicates each other with accommodation hole 2.

The main control circuit board in the visible cavity and the electronic parts arranged on the main control circuit board can be observed through the opening 6, so that an operator can conveniently observe the assembly relation of the electronic parts in real time, and operations such as operation, assembly, installation or disassembly can be performed through the opening 6.

In this embodiment, the housing is provided with two connection parts 2, one of the connection parts 2 is used for connecting the rear suspension assembly 10, and the other connection part 2 is connected with the earphone body 30.

In this embodiment, the connecting portions 1 are each provided with two rivet holes 3.

In this embodiment, the rear hanging component 10 is provided with the first connecting piece 11, be provided with first embedded section 12 on the first connecting piece 11, and first embedded section 12 side is provided with the first hole site 13 with riveting hole 3 position looks adaptation, after first embedded section 12 inserts accommodation hole 2, two rivet holes 3 align with first hole site 13, rivet 7 inserts from one of them rivet hole 3, rivet with another rivet hole 3 after passing the first hole site 13 of first embedded section 12, realize the fixed connection of rear hanging component 10 and ear hanging component 20, improve the stress scope, make its connected state more firm, and need not increase the whole volume of earphone for rivet 7, first hole site 13 and rivet hole 3, make it lighter, pleasing to the eye.

In this embodiment, the connection between the bin body 4 and the cover body 5 is coated with adhesive by the adhesive dispensing mechanism, and the adhesive can further improve the stable connection of the bin body 4 and the cover body 5.

In the embodiment, a positioning column 16 is arranged on the inner side of the bin body 4, a positioning hole 17 matched with the positioning column 16 is formed in the circuit board 21, and the positioning column 16 is inserted into the positioning hole 17; this arrangement can enable the circuit board 21 to achieve a positioning effect, prevent the circuit board 21 from shaking in the cavity, and improve the fit and compactness of the ear-hook assembly 20.

In this embodiment, the earphone main body 30 is provided with the second connecting piece 31, be provided with the third embedded section 32 on the second connecting piece 31, and third embedded section 32 side is provided with the second hole site 33 with riveting hole 3 position looks adaptation, after the third embedded section 32 inserts accommodation hole 2, two rivet holes 3 align with second hole site 33, rivet 7 inserts from one of them rivet hole 3, rivet with another rivet hole 3 after passing the second hole site 13 of third embedded section 32, realize the fixed connection of earphone main body 30 and ear-hang subassembly 20, improve the stress scope, make its connected state more firm, and need not increase the whole volume of earphone for rivet 7, second hole site 33 and rivet hole 3, make it more light, pleasing to the eye.

Preferably, the diameters of the first hole site 13 and the second hole site 33 can be smaller than the diameters of the rivets 7, so that the first hole site 13 and the second hole site 33 respectively form interference fit with the two rivets 7, friction force between the rivets 7 and the first hole site 13 and the second hole site 33 is improved, and the rivets 7 are prevented from falling off.

Preferably, the second embedded section 15 is provided on the first embedded section 12, and in this embodiment, a limiting groove 14 is provided at a connection position between the first embedded section 12 and the second embedded section 15.

In practical applications, the limiting groove 14 may be disposed at a side end of the first embedded section 12 or the second embedded section 15.

In this embodiment, the bin body 4 is provided with a spacing step portion 8 along the outline of the opening 6, the cover body 5 is provided with a plug-in portion 9 adapted to the spacing step portion 8, the plug-in portion 9 is abutted against the spacing step portion 8 after being inserted into the opening 6, and the plug-in portion 9 is inserted into the spacing groove 14, so that the spacing groove 14 is clamped, and the rear hanging component 10 and the ear hanging component 20 can be connected more firmly.

In practical application, the bin body 4 is provided with a protruding part along the outline of the opening 6, the cover body 5 is provided with a recessed part matched with the protruding part, the protruding part is inserted into the recessed part, and the cover body 5 and the bin body 4 are sleeved.

In this embodiment, the outer side of the housing is covered with the elastic covering body layer 18, the elastic covering body layer 18 is formed by injection molding of silica gel, and the elastic covering body layer 18 can cover the cover body 5 and the bin body 4.

Preferably, the elastic cover layer 18 is provided with holes adapted to the waterproof button member and the charging base.

Preferably, at least a circuit board 21 is installed in the bin body 4, a function key is arranged on the circuit board 21, key hole sites 22 with the position matched with the function key are arranged on the shell, and a waterproof button piece 23 is arranged on each key hole site 22.

Preferably, the waterproof button member 23 comprises a waterproof lining plate 231 and a button 232, the waterproof lining plate 231 is adhered to the inner wall of the bin body 4, the waterproof lining plate 231 covers the button hole site 22, a support column 233 is arranged on the waterproof lining plate 231, the support column 233 penetrates through the button hole site 22 from inside to outside, the button 232 is provided with a plug-in portion 234 and a support column framework 235 arranged on the periphery of the plug-in portion 234, the top end of the support column 233 is sleeved with the support column framework 235, a plug-in hole 236 matched with the plug-in portion 234 is arranged on the support column 233, and the plug-in portion 234 is plugged in with the plug-in hole 236.

In this embodiment, an adhesive is coated between the top end of the support column 233 and the support column skeleton 235, and an adhesive is coated between the plug-in portion 234 and the plug-in hole 236, so that the connection strength between the waterproof lining plate 231 and the key 232 is improved, and the connection is firmer; and the waterproof lining plate 231 and the keys 232 can be further prevented from falling off by the friction force between the top ends of the support columns 233 and the support column skeleton 235 and the friction force between the plug-in parts 234 and the plug-in holes 236.

In the present embodiment, the waterproof liner 231 is provided with an annular protrusion 24 and a positioning protrusion 25 near one side end face of the circuit board 21, the annular protrusion 24 being located on the peripheral side of the positioning protrusion 25.

In this embodiment, the top end of the righting protrusion 25 is a straight surface, the annular protrusion 24 is an arc protrusion, and the righting protrusion 25 and the top end of the annular protrusion 24 are at the same height; the arc-shaped bulge improves the edge arc-shaped extension range, so that better elastic feedback is achieved when a user presses a key; and the annular bulge 24 is formed by hot press, so that a corresponding annular recess 28 is arranged on one surface corresponding to the arc bulge 24, and the annular recess 28 can leave a pressing space for the key 232, thereby achieving the beneficial effect of reasonable avoidance.

In this embodiment, the bin body 4 is provided with a charging base 26, and the charging base 26 includes an installation slot integrally formed with the bin body 4 and a rechargeable battery 27 installed in the installation slot, wherein the rechargeable battery 27 is electrically connected with the circuit board 21.

In this embodiment, the mounting groove position includes the cylinder mounting groove 261 that sets up at the storehouse body 4 inner wall, and the storehouse body 4 outer wall is equipped with the terminal mounting groove 262 that is linked together with cylinder mounting groove 261, and cylinder mounting groove 261 and terminal mounting groove 262 form the hole site that runs through the storehouse body wall body, and wherein, the external diameter that is greater than cylinder mounting groove 261 of terminal mounting groove 262.

In this embodiment, the rechargeable battery 27 includes a charging circuit board 271 and a charging terminal 272 plugged on the charging circuit board 271, the charging terminal 272 includes an electrode end 273 and a mounting post 274 integrally disposed, the charging terminal 272 is plugged into a position from outside to inside, the mounting post 274 is plugged into the charging circuit board 271, the mounting post 274 is plugged into the column mounting groove 261, the electrode end 273 is plugged into the terminal mounting groove 262, the charging circuit board 271 and the electrode end 273 form a double-wall structure, and the charging circuit board is limited in the column mounting groove 261, so that the fitting connection of the ear-hook assembly 20 is improved, and the loosening of the charging base 26 is prevented.

In this embodiment, the charging terminals 272 include at least positive and negative electrode charging terminals.

In this embodiment, the mounting post 274 is sleeved with the sealing ring 275, the sealing ring 275 is located at the connection position between the electrode end 273 and the mounting post 274, the sealing ring 275 is respectively abutted against the bottom surface of the electrode end 273 and the inner end surface of the terminal mounting groove 261, so that the gap between the electrode end 273 and the terminal mounting groove 261 is closed, and the waterproof beneficial effect is achieved.

In this embodiment, the installation slot position still includes magnet mounting groove 263, is provided with magnetism in the magnet mounting groove 263 and inhale piece 264, and magnetism is inhaled piece 264 and is made charging base 26 and charging connector magnetism and inhale the connection, makes things convenient for the user to connect fast or disconnect, has promoted user's convenience.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. The utility model provides an assembly structure of behind-the-ear hanging mainboard storehouse shell, includes shell, its characterized in that: the shell comprises a bin body for accommodating the circuit board and a cover body, wherein the bin body forms a visual accommodating cavity with an opening at one end, and the cover body is arranged on the bin body in a covering manner and is used for covering the opening; the bin body is provided with a connecting part, the connecting part is provided with an embedding hole communicated with the visual containing cavity, and the embedding hole is used for containing an external ear hook or an external back hook.

2. The behind-the-ear motherboard cartridge housing assembly configuration of claim 1, wherein: the connecting part is provided with an accommodating hole which is communicated with the embedded hole, and the accommodating hole is used for accommodating a pin shaft inserted into the ear hook or a pin shaft inserted into the rear hook.

3. The behind-the-ear hanging main board cartridge shell assembly configuration according to claim 1 or 2, wherein: the outer side of the shell is coated with an elastic covering body layer.

4. The behind-the-ear motherboard cartridge housing assembly configuration of claim 1, wherein: the bin body is provided with a limit step part along the outline of the opening, the cover body is provided with an inserting part matched with the limit step part, and the inserting part is abutted against the limit step part after being inserted into the opening.

5. The behind-the-ear motherboard cartridge housing assembly configuration of claim 1, wherein: the bin body is provided with a protruding part along the outline of the opening, the cover body is provided with a concave part matched with the protruding part, the protruding part is inserted into the concave part, and the cover body is sleeved with the bin body.

6. The behind-the-ear motherboard cartridge housing assembly configuration of claim 1, wherein: at least a circuit board is arranged in the bin body, functional keys are arranged on the circuit board, key hole sites matched with the functional keys in position are arranged on the shell, and waterproof button pieces used for being matched with the functional keys are arranged on each key hole site.

7. The behind-the-ear motherboard cartridge shell assembly configuration of claim 6, wherein: the waterproof button piece includes waterproof welt and button, and waterproof welt bonds at the internal wall of storehouse, and waterproof welt covers the button hole site, is equipped with the support column on the waterproof welt, and this support column passes the button hole site from inside to outside, and the button is equipped with grafting portion and sets up the support column skeleton in grafting portion week side, and the support column top overlaps with the support column skeleton, is equipped with the spliced eye with grafting portion looks adaptation on the support column, grafting portion and spliced eye grafting.

8. The behind-the-ear hanging deck enclosure assembly of claim 7, wherein: the waterproof lining board is provided with annular bulge and righting bulge near the terminal surface of circuit board one side, and this annular bulge is located righting bellied week side.

9. The behind-the-ear hanging deck enclosure assembly of claim 8, wherein: the top end of the righting bulge is a straight surface, the annular bulge is an arc bulge, and the righting bulge and the top end of the annular bulge are at the same height.

10. The behind-the-ear motherboard cartridge shell assembly configuration of claim 6, wherein: the storehouse body is equipped with the charging base, and this charging base includes with storehouse body integrated into one piece's mounting groove position and installs the rechargeable battery in the mounting groove position, and wherein, rechargeable battery is connected with the circuit board electricity.