CN214481262U - Portable charging box for hearing aid - Google Patents

Abstract

The invention discloses a portable charging box for a hearing aid, which comprises a storage box and a door cover detachably connected with the storage box, wherein a reinforcing component is fixed in the storage box through screws, a USB (universal serial bus) socket and a lithium battery are sequentially fixed in the reinforcing component, an assembly part is buckled and connected in the lower port of the door cover, an installation seat is buckled and connected in the port of the storage box, and an accommodating space for charging and accommodating a hearing aid body is arranged between the installation seat and the assembly part. And the magnetic attraction is realized through the built-in magnet block and the metal column, so that the retention effect is good.

Description

Portable charging box for hearing aid

Technical Field

The invention relates to a charging box, in particular to a portable charging box for a hearing aid, and belongs to the field of hearing aids.

Background

The hearing aid is a small-sized loudspeaker, originally inaudible sound is amplified, residual hearing of a hearing-impaired person is utilized, the sound can be transmitted to a brain auditory center, and the sound is sensed. Hearing aids are classified into air conduction hearing aids and bone conduction hearing aids according to conduction modes, and are classified into box type, glasses type, hairpin type, behind-the-ear type, in-the-ear type, auditory canal type and deep auditory canal type hearing aids according to use modes.

The audiphone is as listening barrier patient's necessities, listen barrier patient's important work, the life helper, it is difficult to walk by cun to lack hearing barrier patient of audiphone, current electron audiphone all needs to charge at night, be subject to the battery capacity of audiphone, the condition of outage daytime appears very easily, the daily life who listens barrier patient has seriously been influenced, and electron audiphone's public address size is the settlement state, the user can't adjust according to self condition, do not possess hearing rehabilitation training more, functions such as music broadcast or voice prompt, urgent need to seek out the breakthrough on electron audiphone's application intellectuality, in order to benefit to listen barrier patient.

SUMMARY OF THE PATENT FOR INVENTION

The invention aims to provide a portable charging box for a hearing aid, which solves the problems that the existing electronic hearing aids proposed in the background technology are required to be charged at night, are limited by the battery capacity of the hearing aid, are very easy to be powered off in the daytime, seriously affect the daily life of hearing-impaired patients, are in set states in the amplification sizes of the electronic hearing aids, cannot be adjusted by users according to the self conditions, and do not have the functions of hearing rehabilitation training, music playing or voice prompt and the like.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a portable box that charges for hearing aid, can dismantle the door closure of being connected including storing the box and with this storage box, the screw fixation has the reinforced subassembly in the storage box, be fixed with USB socket and lithium cell in the reinforced subassembly in proper order, the lock is connected with the assembly part in the door closure lower extreme mouth, the lock is connected with the mount pad in the storage box end, be provided with the accommodation space of charging and accomodating the audiphone body between mount pad and the assembly part.

In a further embodiment, the outer edge of the mounting seat is distributed with a pin rod and at least two first buckling grooves, the mounting seat is distributed with two accommodating grooves, two guide holes are arranged in the accommodating grooves, and the edge of the inner wall of the storage box is provided with a connecting structure matched with the first buckling grooves.

In a further embodiment, a first clamping groove and at least one inserting cylinder are arranged in the middle of the back surface of the mounting seat side by side, a magnet block is embedded in the first clamping groove, a display part is arranged in the inserting cylinder, a second clamping groove is arranged on the periphery of the first clamping groove and located on the back surface of the mounting seat, and a power converter is embedded in the second clamping groove.

In a further embodiment, at least two inserting columns and a second buckling groove are distributed on the outer side edge of the assembly part, a positioning groove is formed in the middle of the assembly part, metal columns are inserted into the positioning groove, and two adapting recesses are further formed in two sides of the middle of the assembly part and used for accommodating the communication end of the hearing aid body.

In a further embodiment, the edge of the inner wall of the bin gate cover is provided with a connecting structure matched with the inserting column and the second buckling groove, and the bin gate cover is also internally provided with a corresponding clamping groove structure corresponding to the metal column so as to fully fix the metal column.

In a further embodiment, the reinforcing component further comprises an upper reinforcing plate, a lower reinforcing plate and a connecting piece fixedly connected between the upper reinforcing plate and the lower reinforcing plate, at least one pin hole is formed in each of four corners of the upper reinforcing plate and the lower reinforcing plate, four electrode holes are preset in the middle of the upper reinforcing plate, at least one clamping groove is formed in the middle of the lower reinforcing plate, a control chip is further installed and arranged on the bottom side edge of the lower reinforcing plate, and a lithium battery is clamped and fixed between the upper reinforcing plate and the lower reinforcing plate.

In a further embodiment, the bottom end of the USB socket extends to the bottom wall of the storage box, the outer wall of the USB socket is further provided with the same number of clamping synapses corresponding to the clamping grooves, and the USB socket, the lithium battery and the power converter together form a power supply loop by virtue of wires.

In a further embodiment, the display member is composed of a light guide pillar and a light emitting unit covered inside the light guide pillar, the light emitting unit is fixed on the upper reinforcing plate, and a narrow opening end on the upper portion of the light guide pillar is inserted into the mounting seat to guide out light rays of the light emitting unit.

In a further embodiment, the power converter is electrically connected with a positive electrode column and a negative electrode column through wires, two ends of the positive electrode column and two ends of the negative electrode column are designed to be narrow-mouth structures, and the top ends of the positive electrode column and the negative electrode column penetrate through the guide holes and extend into the accommodating grooves.

In a further embodiment, the storage box and the bottom wall inside the bin door cover are both in a grid structure, column foot cylinders with the same number are further arranged on the bottom wall inside the storage box corresponding to the column foot holes, and the column foot cylinders are arranged in a two-layer structure in a staggered mode.

Compared with the prior art, the invention has the beneficial effects that:

(1) the invention discloses a portable charging box for a hearing aid, which is characterized in that a reinforcing component and a mounting seat are arranged in a storage box, a USB (universal serial bus) socket, a control chip, a lithium battery, a positive electrode column, a negative electrode column and a magnet block can be sequentially fixed, fittings are embedded in a bin door cover, metal columns can be effectively fixed, the portable charging box has the characteristics of stable structure and simplicity and easiness in assembly, a hearing aid accommodating righting space is arranged between the mounting seat and the fittings, the hearing aid and the metal columns attract each other magnetically through the built-in magnet block, the fixing effect is good, the positive electrode column and the negative electrode column can be in contact charging with the hearing aid through electric interfaces, and the two groups of hearing aids can be alternately used as containers and also as charging devices, and has the characteristics of convenience in application and humanization in design.

(2) The display piece can be preferably arranged in an equidistant mode and can be used for prompting different working states of the charging box, the control module can be preferably controlled by finger pressure, a user can switch modes through key operation and can adjust the running state of the hearing aid, the defect that the traditional hearing aid is lack of an adjusting terminal is overcome, and the application of a hearing aid body is more intelligent, diversified and humanized.

Drawings

Fig. 1 is a disassembled structure view of a portable charging box for a hearing aid according to the present invention;

fig. 2 is an exploded view of a portable charging box for a hearing aid according to the present invention;

FIG. 3 is a block diagram of an assembly of a portable charging case for hearing aids according to the present invention;

fig. 4 is a perspective view of a reinforcing member of a portable charging case for a hearing aid according to the present invention;

fig. 5 is a sectional view showing the structure of a portable charging box for a hearing aid according to the present invention;

fig. 6 is a front view of a reinforcing member of the portable charging case for a hearing aid according to the present invention;

fig. 7 is a side view of a reinforcing member of the portable charging case for a hearing aid according to the present invention;

FIG. 8 is a combined structure view of a USB jack and a lower reinforcing plate in the portable charging box for a hearing aid according to the present invention;

fig. 9 is a top view of a storage box in a portable charging box for a hearing aid according to the present invention;

fig. 10 is a bottom view of a mounting base in a portable charging box for a hearing aid according to the present invention.

In the figure: 1. a storage box; 101. a mounting seat; 1011. a pin rod; 1012. a first buckling groove; 1013. a receiving groove; 1014. a guide hole; 1015. a first card slot; 1016. a plug-in barrel; 1017. a second card slot; 102. a column leg cylinder; 2. a bin gate cover; 201. an assembly member; 2011. inserting a column; 2012. a second buckling groove; 2013. fitting the recess; 2014. a positioning groove; 2015. a metal post; 3. a control chip; 4. a reinforcement assembly; 401. an upper reinforcing plate; 4011. an electrode hole; 402. a lower reinforcing plate; 4021. a clamping groove; 403. a connecting member; 404. a pin hole; 5. a USB socket; 501. clamping synapses; 6. a lithium battery; 7. a magnet block; 8. a display member; 801. a light guide pillar; 802. a light emitting unit; 9. a power converter; 901. a positive electrode column; 902. a negative electrode column; 903. a narrow mouth structure.

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, not all of the embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments in the patent of the invention without any inventive work belong to the protection scope of the patent of the invention.

Referring to fig. 1-10, the present invention provides a technical solution:

the utility model provides a portable box that charges for hearing aid, includes storage box 1 and can dismantle the door closure 2 of being connected with this storage box 1, the screw is fixed with reinforced component 4 in the storage box 1, be fixed with USB socket 5 and lithium cell 6 in the reinforced component 4 in proper order, the lock is connected with assembly part 201 in the port under the door closure 2 in the storehouse, the lock is connected with mount pad 101 in the 1 port of storage box, be provided with the accommodation space who accomodates the audiphone body that charges between mount pad 101 and the assembly part 201.

By adopting the above case, the reinforcing component 4 plays a role of fully fixing the USB socket 5 and the lithium battery 6, so that the components in the storage box 1 can be prevented from shaking and being damaged, and as a priority, the plurality of radiating holes are densely distributed on the periphery of the storage box 1, so that the heat generated during the operation of the electronic components of the charging box can be led out; the outer edges of the assembly part 201 and the mounting seat 101 are respectively provided with a boss structure, so that the assembly part 201 and the mounting seat 101 can be respectively positioned in the ports of the bin door cover 2 and the storage box 1; storage box 1 and storehouse door closure 2 are connected through the pin rod 1011 is articulated, pin rod 1011 is fixed in one side opening department of storage box 1, storehouse door closure 2 has been cup jointed to the pin rod 1011 outside, the front of storehouse door closure 2 is provided with a notch structure, convenience of customers opens storehouse door closure 2 like this, as preferred, set up buckle and draw-in groove structure on storehouse door closure 2 and the free end of storage box 1 respectively, through buckle and draw-in groove interference fit joint, can avoid storehouse door closure 2 to open easily.

In one embodiment, the outer edge of the mounting base 101 is distributed with a pin 1011 and at least two first fastening grooves 1012, the mounting base 101 is distributed with two receiving grooves 1013, two guiding holes 1014 are arranged in the receiving grooves 1013, and the edge of the inner wall of the storage box 1 is provided with a connecting structure matching with the first fastening grooves 1012.

By adopting the above case, the edge of the storage box 1 is provided with the bump structure, and the adjacent sides of the bump structure and the first buckling groove 1012 are provided with the inclined surfaces, so that when the mounting base 101 is assembled, the first buckling groove 1012 and the bump structure are extruded and deformed with each other, the first buckling groove 1012 can be expanded outwards, and the bump structure can be easily embedded into the first buckling groove 1012; the receiving grooves 1013 are arranged side by side on the mounting base 101, and the structure of the receiving grooves 1013 is adapted to the sound amplifying end structure of the hearing aid body, and is a structure with a narrow bottom and a wide top, and forms an accommodation space for accommodating the hearing aid body together with the adapting recess 2013, which prevents displacement.

In one embodiment, a first clamping groove 1015 and at least one plug-in cylinder 1016 are arranged in parallel in the middle of the back surface of the mounting seat 101, a magnet block 7 is embedded in the first clamping groove 1015, a display part 8 is arranged in the plug-in cylinder 1016, second clamping grooves 1017 are arranged on the periphery of the first clamping groove 1015 and located on the back surface of the mounting seat 101, and a power converter 9 is embedded in the second clamping grooves 1017.

By adopting the above case, the display piece 8 is used for prompting the electric quantity state of the lithium battery 6, the inner side walls of the first card slot 1015 and the insertion cylinder 1016 are respectively provided with the extrusion plates, and the outer ends of the extrusion plates are respectively provided with the slope surfaces, so that the magnet block 7 and the display piece 8 can be easily inserted in an interference manner, the magnet block 7 and the display piece 8 can be prevented from being separated, and as a priority, the bottom end of the extrusion plate in the first card slot 1015 can be provided with the right-angle triangular block, so that after the magnet block 7 is inserted into the first card slot 1015, the straight surface of the right-angle triangular block is opposite to the bottom side of the magnet block 7, and the fixing effect is better;

optionally, the socket 1016 is provided with a plurality ofly side by side, all is provided with a set of display 8 alone in every socket 1016, and the circular telegram quantity of display 8 is used for indicateing the residual capacity of user's lithium cell 6, and is more directly perceived, as preferred, still is provided with a plurality of display 8 that the colour is different, is used for indicateing USB socket 5 or hearing aid body's the electric state etc. that connects respectively.

In one embodiment, at least two insertion posts 2011 and a second buckling groove 2012 are distributed on the outer edge of the fitting part 201, an alignment groove 2014 is formed in the middle of the fitting part 201, a metal post 2015 is inserted into the alignment groove 2014, and two fitting recesses 2013 are further formed in two sides of the middle of the fitting part 201 and used for accommodating the hearing aid body communication end.

By adopting the above case, the inserting columns 2011 and the second buckling grooves 2012 are uniformly distributed on the edge of the assembly 201, so that the buckling stability can be fully ensured, and the stress is more uniform; in metal column 2015 interference embedding counterpoint groove 2014, and metal column 2015 sets up with magnet piece 7's position relatively, when closing storehouse door closure 2 like this, the effect of charging has been guaranteed for the straining state to the effect of magnetism can be kept to storehouse door closure 2.

In one embodiment, the edge of the inner wall of the bin gate cover 2 is provided with a connecting structure matched with the inserting column 2011 and the second buckling groove 2012, and the bin gate cover 2 is further provided with a corresponding clamping groove structure corresponding to the metal column 2015 so as to fully fix the metal column 2015.

By adopting the above case, the edge of the inner wall of the bin gate cover 2 is provided with the jack structure, the plug-in post 2011 is inserted into the jack structure relatively, so that the situation that the bin gate cover 2 is shifted can be avoided, and the bin gate cover 2 is additionally provided with the lug structure which can be in interference clamping connection with the second buckling groove 2012; draw-in groove structure and counterpoint groove 2014 set up both ends around metal column 2015 respectively, avoid metal column 2015 to rock, and as preferred, the rubber pad can be inlayed to draw-in groove structure or counterpoint groove 2014, can avoid assembly error.

In one embodiment, the reinforcing assembly 4 further includes an upper reinforcing plate 401, a lower reinforcing plate 402 and a connecting member 403 fixedly connected therebetween, four corners of the upper reinforcing plate 401 and the lower reinforcing plate 402 are respectively provided with at least one pin hole 404, four electrode holes 4011 are preset in the middle of the upper reinforcing plate 401, the middle of the lower reinforcing plate 402 is provided with at least one clamping groove 4021, the bottom side edge of the lower reinforcing plate 402 is also provided with a control chip 3, and a lithium battery 6 is clamped and fixed between the upper reinforcing plate 401 and the lower reinforcing plate 402.

By adopting the above case, the upper reinforcing plate 401 and the lower reinforcing plate 402 are both provided with the block structures connected with the connecting member 403, and both ends of the connecting member 403 are fixedly connected with the block structures, preferably, one side of the block structures is provided with the slot, and the vertical distance between the upper reinforcing plate 401 and the lower reinforcing plate 402 can be effectively maintained by the way that the connecting member 403 is laterally inserted; the number of the column base holes 404 of the upper reinforcing plate 401 is four, the number of the column base holes 404 of the lower reinforcing plate 402 is eight, the lithium battery 6 is arranged between a screw in the middle of the lower reinforcing plate 402 and the bottom end of the electrode column, a gap is kept between the lithium battery 6 and the upper reinforcing plate 401 and the lower reinforcing plate 402, and preferably, the lower reinforcing plate 402 is also provided with a limiting blocking column which can be matched with the structure of the lithium battery 6, so that the situation that the lithium battery 6 is displaced left and right is avoided; the control chip 3 is clamped and fixed in a space between the bottom wall of the storage box 1 and the lower reinforcing plate 402, and the control chip 3 is electrically connected with the display part 8 and the lithium battery 6 through a lead for intelligently controlling the display part 8 to flicker;

optionally, the control chip 3 is provided with a storage unit, a bluetooth module and at least one button, wherein the bluetooth module is connected with the hearing aid body through bluetooth, the storage unit is used for storing control commands or voice information, the storage box 1 is provided with at least one button corresponding to the button in a sliding embedded mode, and a user can complete functions of opening and closing the charging box, adjusting volume or switching music through pressing the button to trigger the button.

Preferably, the control chip 3 is further provided with a signal receiving unit, the control chip 3 can obtain resources from the network by means of communication connection between the signal receiving unit and an external terminal, the storage unit can update instructions, music or modes in real time, and the user switches modes by key operation, wherein the switchable modes at least include: the hearing aid has the advantages that the hearing aid body is more intelligent in application due to the fact that the hearing aid body is in a volume adjusting mode, a hearing training mode, an FM mode or a music mode and the like.

In one embodiment, the bottom end of the USB socket 5 extends to the bottom wall of the storage box 1, the outer wall of the USB socket 5 is further provided with the same number of clamping synapses 501 corresponding to the clamping grooves 4021, and the USB socket 5, the lithium battery 6 and the power converter 9 form a power supply loop together by virtue of wires.

By adopting the above case, the lower reinforcing plate 402 is matched with the bottom wall structure of the storage box 1, the clamping synapse 501 is correspondingly inserted into the clamping groove 4021, the position of the USB socket 5 can be effectively fixed, and the situation of the deviation of the USB socket 5 is avoided, and the middle part of the lower reinforcing plate 402 is provided with the threading hole, so that the USB socket 5 and the lithium battery 6 can be electrically connected, as a priority, the plug is embedded into the port of the USB socket 5, and the connecting belt is fixed between the edge of the plug and the storage box 1, so that the situation of the water inlet of the USB socket 5 is avoided;

optionally, the storage box 1 and the hearing aid body are internally provided with electromagnetic coils, and the electromagnetic coils in the storage box 1 can be opened and closed to obtain converted current, so that the endurance time of the hearing aid body can be effectively prolonged.

In one embodiment, the display 8 is composed of a light guide column 801 and a light emitting unit 802 covered inside the light guide column 801, the light emitting unit 802 is fixed on the upper reinforcing plate 401, and a narrow opening end of the upper portion of the light guide column 801 is inserted into the mounting seat 101 to guide out light of the light emitting unit 802.

Through adopting above-mentioned case, light guide column 801 comprises hollow seat, guide column and the plastics printing opacity head of fixed connection in proper order, and the plastics printing opacity head is installed on the guide column top, can derive the light of luminescence unit 802, and luminescence unit 802 is emitting diode, corresponds the plastics printing opacity head setting on the mount pad 101 by jack structure for the operating condition of suggestion user charging box.

In one embodiment, the power converter 9 is electrically connected to a positive electrode column 901 and a negative electrode column 902 through wires, two ends of the positive electrode column 901 and the negative electrode column 902 are designed to be narrow-mouthed structures 903, and top ends of the positive electrode column 901 and the negative electrode column 902 extend into the receiving groove 1013 through the guide hole 1014.

Through adopting above-mentioned case, positive electrode column 901 and negative electrode column 902 all include the center and lead electrical pillar and cup joint the plastic sheath that leads electrical pillar middle part outside at the center, and the top that the center led electrical pillar is longer and extend guiding hole 1014 just right with connecing electric mouth of audiphone body, and the bottom that the center led electrical pillar inserts in corresponding electrode hole 4011, and the position can fully be fixed, and the audiphone body corresponds the back of inserting, can form closed charge circuit between audiphone body and lithium cell 6.

In one embodiment, the bottom walls of the storage box 1 and the bin gate cover 2 are both in a grid structure, and the same number of column foot cylinders 102 are further arranged on the bottom wall of the storage box 1 corresponding to the column foot holes 404, and the column foot cylinders 102 are arranged in a two-layer structure in a staggered manner.

By adopting the above case, the pillar bases 102 are arranged into two groups, one group is four high-leg pillar bases 102 which are arranged opposite to the pillar base holes 404 of the upper reinforcing plate 401, the other group is eight low-leg pillar bases 102 which are arranged corresponding to the pillar base holes 404 of the lower reinforcing plate 402, and the pillar base 102 is internally provided with an internal thread structure, so that the upper reinforcing plate 401 and the lower reinforcing plate 402 can be fixed with the storage box 1 by screws; the provision of the lattice-like structure increases the overall strength of the storage box 1 and the door cover 2.

Specifically, when the hearing aid is used, the door cover 2 is rotated to open the hearing aid body, the hearing aid body is obliquely inserted into the accommodating groove 1013, the power receiving port of the hearing aid body is correspondingly inserted into the positive electrode column 901 and the negative electrode column 902 to form a closed power-on loop, the light-emitting unit 802 is lighted to indicate that the hearing aid body is in a charging state, the door cover 2 is closed, the metal column 2015 and the magnet block 7 are mutually attracted to ensure the power receiving effect of the hearing aid body, and the external power line of the USB socket 5 can supplement electric energy under the condition that the electric quantity of the lithium battery 6 is insufficient, so that the effective cruising ability of the hearing aid is effectively improved.

The above description is only for the preferred embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention, the technical solutions and the inventive concepts of the present invention, which are equivalent to or changed by the technical solutions and the inventive concepts of the present invention, within the technical scope of the present invention.

Claims (10)

1. The utility model provides a portable box that charges for hearing aid, its characterized in that, including storage box (1) and with this storage box (1) can dismantle storehouse door closure (2) of being connected, the screw is fixed with in storage box (1) strengthens subassembly (4), be fixed with USB socket (5) and lithium cell (6) in proper order in strengthening subassembly (4), the intraoral lock is connected with assembly part (201) under storehouse door closure (2), the lock is connected with mount pad (101) in storage box (1) port, be provided with the accommodation space of accomodating the hearing aid body that charges between mount pad (101) and assembly part (201).

2. A portable charging box for a hearing aid according to claim 1, wherein: the outer edge of the mounting seat (101) is provided with a pin rod (1011) and at least two first buckling grooves (1012), the middle of the mounting seat (101) is provided with two accommodating grooves (1013), two guide holes (1014) are formed in the accommodating grooves (1013), and the edge of the inner wall of the storage box (1) is provided with a connecting structure matched with the first buckling grooves (1012).

3. A portable charging box for a hearing aid according to claim 2, wherein: the utility model discloses a mounting seat (101) back middle part is provided with a draw-in groove (1015) and at least one socket (1016) side by side, the embedded magnet piece (7) that is equipped with of draw-in groove (1015), be provided with display piece (8) in socket (1016), draw-in groove (1015) periphery just is located mounting seat (101) back and all is provided with No. two draw-in grooves (1017), all scarf joint has power converter (9) in No. two draw-in grooves (1017).

4. A portable charging box for a hearing aid according to claim 3, wherein: the outer edge of the assembly part (201) is distributed with at least two inserting columns (2011) and a second buckling groove (2012), the middle of the assembly part (201) is provided with a aligning groove (2014), a metal column (2015) is inserted into the aligning groove (2014), and two adapting depressions (2013) are further arranged on two sides of the middle of the assembly part (201) and used for containing a communication end of the hearing aid body.

5. The portable charging box for a hearing aid according to claim 4, wherein: storehouse door closure (2) inner wall edge is provided with and inserts post (2011) and No. two lock groove (2012) matched with connection structure, still correspond metal column (2015) in storehouse door closure (2) and be provided with corresponding draw-in groove structure for fully fixed metal column (2015).

6. A portable charging box for a hearing aid according to claim 5, wherein: strengthen subassembly (4) further including last reinforcing plate (401), lower reinforcing plate (402) and fixed connection connecting piece (403) between the two, the four corners department of going up reinforcing plate (401) and lower reinforcing plate (402) all is provided with at least one column foot hole (404), just four electrode holes (4011) have been preset in the middle part of going up reinforcing plate (401), the middle part of reinforcing plate (402) is provided with at least one joint groove (4021) down, the bottom side edge of reinforcing plate (402) still installs and is provided with control chip (3) down, it is fixed with lithium cell (6) to go up the centre gripping between reinforcing plate (401) and lower reinforcing plate (402).

7. A portable charging box for a hearing aid according to claim 6, wherein: the bottom of USB socket (5) extends to storage box (1) diapire, USB socket (5) outer wall still corresponds joint groove (4021) and is provided with joint synapse (501) of the same quantity, rely on the wire to constitute power supply circuit jointly between USB socket (5), lithium cell (6) and power converter (9).

8. A portable charging box for a hearing aid according to claim 7, wherein: the display piece (8) is composed of a light guide column (801) and a light emitting unit (802) covered in the light guide column (801), the light emitting unit (802) is fixed on the upper reinforcing plate (401), and the narrow opening end of the upper portion of the light guide column (801) is inserted in the mounting seat (101) in a penetrating mode and used for guiding out light rays of the light emitting unit (802).

9. A portable charging box for a hearing aid according to claim 8, wherein: the power converter (9) is electrically connected with a positive electrode column (901) and a negative electrode column (902) through wires, two ends of the positive electrode column (901) and two ends of the negative electrode column (902) are designed to be narrow-mouth structures (903), and the top ends of the positive electrode column (901) and the negative electrode column (902) penetrate through the guide holes (1014) and extend into the accommodating groove (1013).

10. A portable charging box for a hearing aid according to claim 9, wherein: the storage box (1) and the inner bottom wall of the bin door cover (2) are both of a grid structure, column leg cylinders (102) with the same number are further arranged on the inner bottom wall of the storage box (1) corresponding to the column leg holes (404), and the column leg cylinders (102) are arranged in a staggered mode to be of a two-layer structure.

Images