CN215344998U - Earphone charging box - Google Patents

Earphone charging box Download PDF

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Publication number
CN215344998U
CN215344998U CN202120666628.0U CN202120666628U CN215344998U CN 215344998 U CN215344998 U CN 215344998U CN 202120666628 U CN202120666628 U CN 202120666628U CN 215344998 U CN215344998 U CN 215344998U
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China
Prior art keywords
bottom shell
slot
groove
charging box
engaging
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CN202120666628.0U
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Chinese (zh)
Inventor
王会
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN202120666628.0U priority Critical patent/CN215344998U/en
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Abstract

The application provides an earphone charging box, which comprises a bottom shell, a cover body and a rotating shaft; the bottom shell and the cover body are connected in a turning and buckling manner through the rotating shaft; the bottom shell comprises a lower bottom shell and an upper bottom shell, the lower bottom shell is provided with an accommodating space, and at least part of the upper bottom shell is accommodated in the accommodating space; the side wall of the lower bottom shell is provided with a through groove, a part of the upper bottom shell, which is adjacent to the through groove, is provided with a clamping portion, the inner side wall of the lower bottom shell is provided with a clamping groove corresponding to the clamping portion, and the clamping portion is matched with the clamping groove to be connected with the lower bottom shell and the upper bottom shell. The application provides an earphone box that charges sets up block portion through last drain pan with lead to the relative region of groove to drain pan setting and the draw-in groove that block portion corresponds under, drain pan and last drain pan are connected through block portion and draw-in groove cooperation down, can promote the earphone and charge the structural strength that the box corresponds to logical groove position.

Description

Earphone charging box
Technical Field
The application relates to earphone battery charging outfit technical field, specifically relates to an earphone battery charging box.
Background
A wireless earphone is earphone equipment based on Bluetooth technology application, and can be normally used without wired connection with a mobile phone or other playing equipment. Compared with wired earphones in the market, the wireless earphones can enable users to avoid the constraint of connecting wires, and users can easily talk or listen to music in various modes more freely and conveniently.
The existing wireless earphone is generally matched with an earphone charging box, the earphone charging box plays a role in accommodating the earphone on one hand, and the other hand plays a role in charging the earphone. A common wireless earphone charging box is generally of a flip structure, and the charging box is opened or closed by turning over a cover body. However, in the process of turning the cover body of most flip-type charging boxes, due to improper force application and low local strength at the position of the rotating shaft, the phenomenon of local rupture occurs at the position of the rotating shaft of the charging box.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides an earphone charging box, which comprises a bottom shell, a cover body and a rotating shaft; the bottom shell and the cover body are connected in a turning and buckling manner through the rotating shaft; the bottom shell comprises a lower bottom shell and an upper bottom shell, the lower bottom shell is provided with an accommodating space, and at least part of the upper bottom shell is accommodated in the accommodating space;
the side wall of the lower bottom shell is provided with a through groove, a part of the upper bottom shell, which is adjacent to the through groove, is provided with a clamping portion, the inner side wall of the lower bottom shell is provided with a clamping groove corresponding to the clamping portion, and the clamping portion is matched with the clamping groove to be connected with the lower bottom shell and the upper bottom shell.
The earphone box that charges that this application embodiment provided through setting up block portion on the subregion that closes on logical groove at last drain pan to the inside wall setting of drain pan under with the draw-in groove that block portion corresponds, drain pan and last drain pan under through block portion and draw-in groove cooperation connection fixed can promote the earphone and charge the structural strength that the box corresponds to logical groove position, and then reduce the earphone and charge the box because do not lead to the fact the cracked risk of drain pan hard when flip.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram of a charging box for an earphone according to some embodiments of the present application;
fig. 2 is a schematic diagram of the charging box of the earphone in the embodiment of fig. 1, which is disassembled;
fig. 3 is a schematic diagram of a disassembled earphone charging box in the embodiment of fig. 1;
fig. 4 is a schematic sectional view of the charging box of the earphone in the embodiment of fig. 1 along the direction a-a;
fig. 5 is a schematic sectional view of the charging box of the earphone in the embodiment of fig. 1 when it is opened;
FIG. 6 is a schematic exploded view of the bottom case in the embodiment of FIG. 1;
FIG. 7 is an enlarged view of a portion of the structure of the area B in the embodiment of FIG. 6;
FIG. 8 is a structural diagram of the upper case of the embodiment of FIG. 6 from another perspective;
fig. 9 is a schematic cross-sectional view of the charging box of the earphone in the embodiment of fig. 1;
FIG. 10 is an enlarged view of a portion of the structure of the region C in the embodiment of FIG. 9;
FIG. 11 is a schematic view of the engagement of the engaging portion and the slot in some embodiments of the present application;
fig. 12 is a schematic exploded view of a bottom case according to other embodiments of the present application.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be noted that the following examples are only illustrative of the present application, and do not limit the scope of the present application. Likewise, the following examples are only some examples and not all examples of the present application, and all other examples obtained by a person of ordinary skill in the art without any inventive work are within the scope of the present application.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
As used herein, "wireless headsets" (or TWS headsets for short) include, but are not limited to, devices using bluetooth technology, infrared technology, 2.4G wireless technology. Wireless headsets are generally divided into three parts: the first part is a sound source, the second part is a receiver, and the third part is an earphone part, wherein the function of the first part is mainly to convert signals transmitted by a mobile phone or the receiver into sound and transmit the sound to the ears of a person. The wireless earphone general matching sleeve is provided with a corresponding wireless earphone charging box, electric energy can be stored in the charging box, and the wireless earphone is charged while the wireless earphone is stored.
The inventor finds that most wireless earphone charging boxes adopt a flip structure through long-term research, and the flip structure comprises a cover body, a bottom shell and a rotating shaft structure, wherein the cover body and the bottom shell are turned over through the rotating shaft structure so as to open or close the charging box. In order to realize the consistency of the appearance of the charging box, the area of the bottom shell corresponding to the position of the rotating shaft is thinner than other areas, so that the structural strength of the area of the bottom shell corresponding to the position of the rotating shaft is weaker, and the bottom shell is easily broken due to improper force when the charging box is actually opened.
Based on this, the bottom case of some charging boxes is made into an MIM (Metal injection Molding) in a region corresponding to the rotation shaft, so as to improve the overall structural strength of the bottom case corresponding to the rotation shaft. However, the MIM process is expensive and not easy to popularize. Some charging boxes are fixed to the bottom shell by disassembling a metal part at the rotating shaft, and the rotating shaft penetrates through the metal part so as to strengthen the overall structural strength of the bottom shell corresponding to the position of the rotating shaft. However, this method of increasing the structural strength is achieved by adding a metal bracket, which obviously increases the cost. Simultaneously, still increaseed the box pivot tolerance chain that charges, can bring adverse effect for the box assembly time tolerance management and control that charges, the tolerance of the box that charges of later stage mass production is difficult to the management and control.
In order to solve the above technical problem, this embodiment provides an earphone charging box to promote the structural strength that the drain pan corresponds the pivot position under the prerequisite that hardly increases the cost and do not increase the tolerance management and control degree of difficulty, and then reduce when flip owing to exert oneself improper risk that causes the drain pan to break.
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of an earphone charging box 10 according to some embodiments of the present application, and fig. 2 is a schematic structural diagram of the earphone charging box 10 according to the embodiment of fig. 1, where the earphone charging box 10 generally includes a cover 100, a bottom case 200, a rotating shaft 300, a control circuit board 400, and a battery 500. The cover 100 and the bottom case 200 are connected in a flip-type manner through the rotation shaft 300, that is, the rotation shaft 300 penetrates through the cover 100 and the bottom case 200, so that the cover 100 can be turned over based on the bottom case 200 to realize the opening and closing functions of the earphone charging box 10. The control circuit board 400 and the battery 500 are built in the bottom case 200 to implement the charging function of the earphone charging box 10.
The cover 100 may generally include an upper cover 110 and a lower cover 120, and the bottom housing 200 may generally include a lower bottom housing 210 and an upper bottom housing 220. The upper cover 110 and the lower housing 210 are connected in a flip-type manner through the rotating shaft 300, that is, the rotating shaft 300 penetrates through the upper cover 110 and the lower housing 210, so that the upper cover 110 can be turned over based on the lower housing 210, thereby implementing the opening and closing function of the earphone charging box 10. The terms "first", "second" and "third" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise.
The sidewall of the lower housing 210 is opened with a through groove 201, and the through groove 201 is communicated with the inner space of the lower housing 210. The specific shape of the through groove 201 may be a rectangular groove or a trapezoidal groove, which is not limited in this embodiment. At least a partial region of the upper cover 110 is disposed in the through groove 201, and the shape of the upper cover 110 disposed in the through groove 201 is adapted to the through groove 201, so as to improve the appearance consistency of the earphone charging box 10. The rotation shaft 300 is inserted into an area where the upper cover 110 and the lower bottom case 210 are overlapped at the through groove 201, so that the upper cover 110 can be turned over based on the lower bottom case 210.
Further, the lower chassis 210 has an accommodating space 203, and the through slot 201 is communicated with the accommodating space 203. The upper cover 110 has a receiving cavity 102 corresponding to the receiving space 203. When the upper cover body 100 is in a closed state, the accommodating cavity 102 and the accommodating space 203 form a closed space for placing a wireless earphone, and the wireless earphone can be charged, so that the duration of the wireless earphone is prolonged. The closed space is formed by the lower bottom case 210 and the lower cover 110, so that on one hand, the appearance consistency of the earphone charging box 10 can be improved, and the earphone charging box 10 has better appearance expressive force; on the other hand can strengthen the leakproofness of earphone charging box 10 to effectively avoid steam and dust etc. to realize waterproof dirt-proof function from the connection of lower casing 210 and lower lid 110 and then inside earphone charging box 10, with wireless earphone and corresponding electron device of protection placing in earphone charging box 10, prolong the life of earphone charging box 10.
Specifically, the lower cover 120 is disposed in the accommodating cavity 10, and a first placing groove 1021 matching with the shape of the upper end of the earphone is formed extending in the accommodating cavity 102. The upper case 220 is at least partially accommodated in the accommodating space 203, and a partial region of the upper case 220 is disposed opposite to the through groove 201. Meanwhile, a second placing groove 2041 matched with the shape of the lower end of the earphone is formed in the accommodating space 203 by extending the upper bottom shell 220. When the upper cover 110 is in the closed state, the first receiving groove 1021 and the second receiving groove 2041 are communicated to form a receiving space adapted to the overall shape of the earphone, so as to receive the earphone.
It can be understood that the upper case 220 may be partially accommodated in the accommodating space 203, or may be entirely accommodated in the accommodating space 203, and those skilled in the art may flexibly select the accommodating space according to the actual layout requirement, which is not specifically limited in this embodiment.
In this embodiment, the cover 100 and the bottom case 200 may be made of plastic, which has a low manufacturing cost and a light weight, and has a certain strength to protect the wireless headset stored therein. For example, the cover 100 and the bottom case 200 may be formed by injection molding. In addition, the cover 100 and the bottom chassis 200 may be the same color to improve the uniformity of the appearance of the charging box 10. In some other embodiments, the cover 100 and the bottom case 200 may be designed with different colors to show different appearance effects. Meanwhile, a corresponding brand identifier (LOGO) may be further disposed on the cover 100 or the bottom case 200 to beautify the appearance of the earphone charging box 10 and improve brand recognition.
Further, the control circuit board 400 and the battery 500 may be mounted in the accommodating space 203. For example, the battery 500 may be disposed at the bottom of the accommodating space 203, and the control circuit board 400 is disposed above the battery 500 and electrically connected to the battery 500. The control circuit board 400 may be provided with a charging probe 401, the charging probe is disposed toward the cover 100, and at least a partial region of the charging probe 401 is disposed in the second placing groove 2041. When the earphone is placed in the second placing groove 2041, the earphone can be in contact with the charging probe 401, so that charging of the wireless earphone is achieved. In addition, in some embodiments, the lower chassis 210 may further be provided with a USB interface connected to the control circuit board 400, the USB interface being located at a side of the through slot 201 away from the cover 100, and being used for connecting an external power source to charge the battery 500, so as to continue a journey for the battery 500 in the charging box.
In some other embodiments of the present application, the earphone charging box 10 may further include a suction assembly 600, and the suction assembly 600 may generally include a first magnet 610 and a second magnet 620. The first magnet 610 is disposed on the cover 100, i.e., on the upper cover 110 or the lower cover 120, and the second magnet 620 is disposed on the bottom case 200, i.e., on the lower bottom case 210 or the upper bottom case 220. When the cover 100 and the bottom case 200 are in the closed state, the first magnet 610 and the second magnet 620 attract each other, so that the closed state of the earphone charging box is maintained, and the airtightness of the earphone charging box is enhanced.
Specifically, when the cover 100 is in the closed state, the first magnet 610 may be disposed in the accommodating cavity 102 and located on a side of the lower cover 120 away from the bottom case 200. The second magnet 620 may be disposed in the accommodating space 203 and located on a surface of the upper case 220 away from the cover 100. When the cover body 100 is in the closed state, the first magnet 610 and the second magnet 620 are disposed to be opposite to each other so that both can generate respective adsorption forces. In this embodiment, the first magnet 610 may be a magnet or a metal sheet, and the second magnet 620 may also be a magnet or a metal sheet, only one of the first magnet 610 and the second magnet 620 needs to be a magnet.
In the actual assembly process of the earphone charging box 10 provided in this embodiment, a lower housing 210 having an accommodating space 203 is provided first, and then devices such as a power supply and a circuit board are disposed inside the lower housing 210; then, the upper bottom shell 220 with the second placing groove 2041 is assembled in the accommodating space 203 of the lower bottom shell 210, and the bottom of the second placing groove 2041 is communicated with the accommodating space 203, so that the earphone can be connected with the control circuit board 300 to realize a charging function when being placed in the second placing groove 2041; next, the upper cover 110 having the receiving cavity 102 and the lower cover 120 having the first placing slot 1021 are provided, the lower cover 120 is placed in the receiving cavity 102 of the upper cover 110, and the upper cover 110 and the lower housing 210 are connected by the hinge 300 in a flip-chip manner. When the upper cover 110 is in the closed state, the first receiving groove 1021 and the second receiving groove 2041 are communicated to form a receiving space adapted to the overall shape of the earphone, so as to receive the earphone.
Referring to fig. 3, fig. 3 is a schematic diagram illustrating a disassembled structure of the earphone charging box 10 in the embodiment of fig. 1, wherein a partial region of the cover 100 disposed in the through slot 201 may be formed with a first through hole 101, the bottom case 200 is formed with a second through hole 202 on a sidewall 2011 of the through slot 201, and the rotation shaft 300 is disposed through the first through hole 101 and the second through hole 202. Thereby achieving the opening and closing function of the earphone charging box 10. In this embodiment, the cover 100 may be in interference fit with the shaft 300 to fix the shaft 300. In some embodiments, the bottom chassis 200 may be in interference fit with the rotation shaft 300, and only one of the cover 100 and the bottom chassis 200 may rotate based on the rotation shaft 300.
Specifically, the first through hole 101 is opened in the upper cover 110, so that the upper cover 110 and the bottom case 200 are opened and closed through the rotation shaft 300, and further the earphone charging box 10 is opened and closed. The upper cover 110 has a rotating portion 111 corresponding to the through groove 201, and the rotating shaft 300 is inserted into the rotating portion 111. When the cover body 100 is in the closed state, the surface of the rotating portion 111 facing away from the accommodating space 203 and the surface of the earphone charging box 10 are matched to maintain the consistency of the appearance of the earphone charging box 10, as shown in fig. 1, the surface of the rotating portion 111 facing away from the accommodating space 203 and the surface of the earphone charging box 10 are substantially coplanar.
Referring to fig. 4-6, fig. 4 is a schematic sectional view of the earphone charging box 10 along the direction a-a in the embodiment of fig. 1, that is, a schematic structural view of the earphone charging box 10 when closed; fig. 5 is a schematic sectional view of the earphone charging box 10 of the embodiment of fig. 1 when it is opened; fig. 6 is a schematic exploded view of the bottom case 200 in the embodiment of fig. 1. All directional indications (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.
The outer periphery of the upper base 220 abuts against the lower base 210, and the outer side wall of the second placing groove 2041 and the inner side wall of the lower base 210 are spaced apart from each other to provide an avoiding space for the rotating portion 111 to rotate in the through groove 201. Specifically, the upper base 220 may include a supporting member 221 and a fitting member 222, wherein an outer circumference of the supporting member 221 abuts against the lower base 210, and cooperates with the lower base 210 to form the accommodating space 203. The second placing groove 2041 is formed on the supporting member 221, that is, the second placing groove 2041 extends from the surface of the supporting member 221 away from the accommodating space 203 toward the inside of the accommodating space 203.
The fitting piece 222 is disposed on a side of the supporting piece 221 close to the receiving space 203, that is, the fitting piece 222 is received in the receiving space 203. Wherein, the fitting piece 222 is disposed opposite to the through slot 201, and the fitting piece 222 is formed with a rotation space 205 communicating with the through slot 201, and the rotation space 205 is used for providing a space for the rotation of the rotating part 111. In the embodiment of the present application, the supporting member 221 and the fitting member 222 may be an integrally formed structural member.
It can be understood that the rotating portion 111 has a maximum rotational stroke during the rotation. As shown in fig. 5, when the rotating portion 111 is located at the maximum rotating stroke, the rotating portion 111 abuts against the supporting member 221, that is, the supporting member 221 is limited to the rotating stroke of the rotating portion 111.
Referring to fig. 7 and 8 in combination, fig. 7 is an enlarged view of a portion of a region B in the embodiment of fig. 6, and fig. 8 is a structural view of the upper chassis 220 in the embodiment of fig. 6 from another viewing angle. The fitting 222 generally includes a first side wall 2221, a second side wall 2222, and a bottom wall 2223 connecting the first side wall 2221 and the second side wall 2222. The first side wall 2221 and the second side wall 2222 are oppositely disposed, and the bottom wall 2223 is disposed between the first side wall 2221 and the second side wall 2222.
Specifically, the first side wall 2221 and the second side wall 2222 are disposed opposite to each other in the axial direction of the rotating shaft 300, and form the rotating space 205 in cooperation with the bottom wall 2223. The surface of the bottom wall 2223 near the rotating space 205 is bent and extended from the position near the through slot 201 toward the support 221. In other words, the surface of the bottom wall 2223 adjacent to the rotating space 205 has a curved surface, the curved direction of which is approximately the rotating direction of the rotating shaft 300, and two opposite ends of the curved surface along the curved direction of which are respectively adjacent to the through groove 201 and the supporting member 221. It is understood that the arc surface is disposed adjacent to the edge of the through slot 201 and does not protrude from the bottom wall of the through slot 201.
Wherein, a first slot 2021 is disposed on one side of the fitting element 222 close to the lower case 210, a second slot 2022 corresponding to the first slot 2021 is disposed on the inner wall of the lower case 210, and the first slot 2021 and the second slot 2022 are cooperatively disposed to form the second through hole 202. Further, there may be two first slots 2021, and the two first slots 2021 are formed on the first side wall 2221 and the second side wall 2222, respectively. The number of the second slots 2022 may also be two, and the two second slots 2022 are respectively corresponding to the two first slots 2021 one by one, and the two second slots 2022 are respectively disposed on two sidewalls of the through slot 201 that are disposed oppositely along the axis of the rotating shaft 300.
In this embodiment, a partial region of the upper bottom casing 220 is disposed opposite to the through slot 201, a plurality of engaging portions 2225 are disposed in a partial region of the upper bottom casing 220 adjacent to the through slot 201, a plurality of slots 2111 corresponding to the engaging portions 2225 are disposed on an inner sidewall of the lower bottom casing 210, and the engaging portions 2225 and the slots 2111 are cooperatively connected to the lower bottom casing 210 and the upper bottom casing 220. Specifically, a plurality of engaging portions 2225 are disposed on a side of the upper bottom casing 220 close to the lower bottom casing 210, a plurality of engaging slots 2111 corresponding to the plurality of engaging portions 2225 are disposed on an inner wall of the lower bottom casing 210, and each engaging portion 2225 is matched with each corresponding engaging slot 2111 to fixedly connect the upper bottom casing 220 with the lower bottom casing 210, so as to enhance the structural strength of the upper bottom casing 220 and the lower bottom casing 210 in a partial region corresponding to the through slot 201, and avoid the risk of breakage of the bottom casing 200 due to excessive force when the rotating portion 111 abuts against the supporting member 221.
The engaging portions 2225 can be divided into two groups, and one group of engaging portions 2225 is disposed on one side of the engaging member 222 close to the bottom shell 210, that is, one group of engaging portions 2225 is disposed on one side of the bottom wall 2223 of the engaging member 222 close to the through slot 201. The other set of engaging portions 2225 is disposed on a side of the supporting member 221 close to the lower housing 210, that is, a side of the supporting member 221 close to the through slot 201 is provided with a set of engaging portions 2225. As shown in fig. 7, the engaging portions 2225a, 2225b are one set, and the engaging portions 2225c, 2225d are the other set. The engaging portions 2225a, 2225b extend from the bottom wall 2223 of the engaging member 222 toward the accommodating space 203, and the engaging portions 2225c, 2225d extend from the supporting member 221 toward the accommodating space 203. The engaging portions 2225a, 2225b, 2225c, 2225d are spaced apart from each other in the axial direction of the shaft 300.
The plurality of slots 2111 may be divided into two groups, one group of slots 2111 is disposed on the bottom wall of the through slot 201, and the other group of slots 2111 is disposed on the inner wall of the lower housing 210 close to the supporting member 221. As shown in fig. 8, card slots 2111a, 2111b are in one set, and card slots 2111c, 2111d are in the other set. The locking grooves 2111a, 2111b extend from the bottom wall of the through slot 201 toward the opening direction away from the through slot 201, that is, the locking grooves 2111a, 2111b extend from the bottom wall of the through slot 201 toward the accommodating space 203, and the locking grooves 2111c, 2111d extend from the edge of the lower chassis 210 adjacent to the upper chassis 220 toward the accommodating space 203. The slots 2111a, 2111b, 2111c, 2111d are spaced apart from each other along the axial direction of the rotating shaft 300.
It can be understood that the card slots 2111a, 2111b, 2111c, 2111d correspond to the engaging portions 2225a, 2225b, 2225c, 2225d one by one, and the extending direction of the card slot 2111 is the same as the extending direction of the engaging portion 2225. That is, the engaging portion 2225a is inserted into the slot 2111a, the engaging portion 2225b is inserted into the slot 2111b, the engaging portion 2225c is inserted into the slot 2111c, and the engaging portion 2225d is inserted into the slot 2111 d. The engaging portions 2225a and 2225b are disposed corresponding to the rotating shaft 300, and the engaging portions 2225c and 2225d are disposed at intervals from the rotating shaft 300.
That is, the orthographic projections of the engaging portions 2225a and 2225b projected on the support 211 and the orthographic projection of the rotating shaft 300 projected on the support 211 are partially overlapped, the orthographic projections of the engaging portions 2225c and 2225d projected on the support 211 and the orthographic projection of the rotating shaft 300 projected on the support 211 are spaced apart, and the orthographic projections of the engaging portions 2225c and 2225d are spaced apart from the two ends of the rotating shaft 300, respectively. Orthographic projections of the clamping grooves 2111a and 2111b on the supporting piece 211 are partially overlapped with orthographic projections of the rotating shaft 300 on the supporting piece 211, orthographic projections of the clamping grooves 2111c and 2111d on the supporting piece 211 and orthographic projections of the rotating shaft 300 on the supporting piece 211 are arranged at intervals, and the orthographic projections of the clamping grooves 2111c and 2111d are respectively arranged at intervals with two ends of the rotating shaft 300.
In this embodiment, the engagement portion 2225 and the notch 2111 are fixed by adhesive bonding. For example, during time assembly, glue is dispensed in the slot 2111, the fastening portion 2225 is inserted into the slot 2111, and the glue in the slot is cured to fixedly connect the fastening portion 2225 and the slot 2111 into a whole, so that the structural connection strength between the lower case 210 and the upper case 220 is enhanced in a local area, i.e., a corresponding area of the through slot 201. Of course, in other embodiments, the engagement portion 2225 and the notch 2111 may be fixed by a double-sided tape bonding method. When the user pushes the cover 100 with a large force to make the rotating portion 111 abut against the supporting member 221 to open the earphone charging box 10, the problem of cracking of the earphone charging box 10 is not easily occurred.
Obviously, this embodiment can promote the structural strength that the drain pan corresponds the pivot position under the prerequisite that does not increase extra part cost and do not increase the pivot tolerance management and control degree of difficulty, and then reduces owing to do not cause the cracked risk of drain pan with improper effort when flip.
Referring to fig. 9 and 10, fig. 9 is a schematic cross-sectional view of the earphone charging box 10 in the embodiment of fig. 1, and fig. 10 is an enlarged view of a portion of the region C in the embodiment of fig. 9, wherein the interface shown in fig. 9 generally interfaces along the mating region of the engaging portion 2225 and the slot 2111, so as to illustrate the mating connection relationship between the engaging portion 2225 and the slot 2111.
The engaging portion 2225 may generally include a main body 22251 and a protrusion 22252, the protrusion 22252 is disposed on a side of the main body 22251 facing away from the supporting member 221, and the protrusion 22252 is received in the slot 2111. Specifically, the main body 22251 and the protrusion 22252 are disposed in a coplanar manner on a side adjacent to the through slot 201, and the main body 22251 and a side of the protrusion 22252 facing away from the through slot 201 are disposed in a step structure.
The card slot 2111 generally includes a first card slot 21111 and a second card slot 21112, the second card slot 21112 communicating with an end of the first card slot 21111 remote from the support member 221. The first locking slot 21111 limits the engaging portion 2225 in the axial extension direction of the rotating shaft 300, that is, the first locking slot 21111 is substantially a sliding slot structure with openings at two ends. Second card slot 21112 includes first 21112a and second 21112b stop walls connected by a fold. The first stopping wall 21112a is connected to the inner sidewall of the bottom chassis 210 in a bending manner, that is, the first stopping wall 21112a extends from the inner sidewall of the bottom chassis toward the accommodating space 203. The second stopping wall 21112b extends from the end of the first stopping wall 21112a facing away from the inner side wall of the lower case 210 toward the supporting member 221. When the engaging portion 2225 is engaged with the slot 2111, the main body portion 22251 is received in the first slot 21111, and the protruding portion 22252 is received in the second slot 21112. Wherein a surface of the main body portion 22251 facing away from the inner side wall of the bottom case and a surface of the second stopper wall 21112b facing away from the inner side wall of the bottom case are substantially flush.
Of course, in other embodiments, the engagement portion 2225 and the slot 2111 may be fixed by a snap connection. Specifically, referring to fig. 11, fig. 11 is a schematic structural diagram illustrating a connection between the engaging portion 2225 and the slot 2111 according to some embodiments of the present application. The side of the protruding portion 22252 close to the second slot 21112 is provided with a first latching portion 22253, the second slot 21112 is provided with a second latching portion 21113 adapted to the first latching portion 22253, and the first latching portion 22253 and the second latching portion 21113 cooperate to fixedly connect the protruding portion 22252 and the second slot 21112, thereby achieving the fixed connection between the latching portion 2225 and the slot 2111.
Further, the first hooking portion 22253 may be formed on a side of the protrusion 22252 close to the second stopping wall 21112b, or the first hooking portion 22253 may be formed on a side of the protrusion 22252 away from the second stopping wall 21112 b. In the present embodiment, the first hooking portion 22253 is formed on the side of the protrusion 22252 close to the second stopping wall 21112b, and the second hooking portion 21113 is formed on the side of the second stopping wall 21112b close to the protrusion 22252. One of the first latching portion 22253 and the second latching portion 21113 may be a latching portion with a convex structure, and the other one is a latching portion with a concave structure, which is not specifically limited in this embodiment.
This embodiment passes through buckle connected mode fixed connection block portion and draw-in groove, can further strengthen the steadiness that drain pan and last drain pan are connected down. In addition, the clamping part and the clamping groove can adopt a colloid bonding fixing mode and a buckle connecting fixing mode simultaneously, so that the connection stability is enhanced to a greater extent.
Referring to fig. 12, fig. 12 is a schematic exploded view of a bottom case 200 according to another embodiment of the present application. The engaging portion 2225 is disposed on one side of the upper housing 220 close to the accommodating space 203, the engaging slot 2111 is disposed on an inner side wall of the lower housing 210, and the engaging portion 2225 and the engaging slot 2111 are cooperatively connected to the lower housing 210 and the upper housing 220. The engaging portion 2225 is disposed around the outer peripheries of the supporting member 221 and the fitting member 222, and extends toward the accommodating space 203. The extending direction of the card slot 2111 is the same as the extending direction of the engaging portion 2225. It can be understood that, for the matching connection relationship between the engaging portion 2225 and the slot 2111, please refer to the detailed description of the foregoing embodiments, which is not repeated herein.
Further, an orthogonal projection of the engaging portion 2225 on the support 221 is substantially annular, and an orthogonal projection of the engaging portion 2225 on the support 221 is adjacent to an outer periphery of the support 221. The orthographic projection of the locking slot 2111 on the support member 221 is substantially annular, and the orthographic projection shape of the locking slot 2111 on the support member 221 is matched with the orthographic projection shape of the locking portion 2225 on the support member 221. It is understood that the area of the engaging portion 2225 corresponding to the engaging piece 222 is provided with an escape space, which communicates with the above-mentioned rotating space 205 to provide a space for the rotation of the rotating portion 111.
The clamping part and the clamping groove which are matched in the annular shape are arranged, so that the structural strength of connection of the upper bottom shell and the lower bottom shell can be improved. In addition, when the clamping part and the clamping groove matched and connected with each other, an annular waterproof structure similar to a waterproof ring can be formed, and the waterproof structure of the upper bottom shell and the lower bottom shell matched and connected positions can be enhanced.
It is noted that the terms "comprises" and "comprising," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (12)

1. The earphone charging box is characterized by comprising a bottom shell, a cover body and a rotating shaft; the bottom shell and the cover body are connected in a turning and buckling manner through the rotating shaft; the bottom shell comprises a lower bottom shell and an upper bottom shell, the lower bottom shell is provided with an accommodating space, and at least part of the upper bottom shell is accommodated in the accommodating space;
the side wall of the lower bottom shell is provided with a through groove, a part of the upper bottom shell, which is adjacent to the through groove, is provided with a clamping portion, the inner side wall of the lower bottom shell is provided with a clamping groove corresponding to the clamping portion, and the clamping portion is matched with the clamping groove to be connected with the lower bottom shell and the upper bottom shell.
2. The earphone charging box of claim 1, wherein the upper case comprises a supporting member and a fitting member; the outer periphery of the supporting piece abuts against the lower bottom shell, and the matching piece is arranged on one side, close to the accommodating space, of the supporting piece; the fitting piece is arranged opposite to the through groove.
3. The earphone charging box according to claim 2, wherein the engaging portion is disposed around outer peripheries of the supporting member and the fitting member and extends toward the receiving space; the clamping part is projected on the support part in an annular orthographic projection mode, and the clamping groove is projected on the support part in an annular orthographic projection mode.
4. The earphone charging box according to claim 2, wherein the engaging portion is provided on a side of the engaging member adjacent to the through groove, and the engaging groove is provided on a bottom wall of the through groove; the clamping part extends from the matching piece towards the direction of the accommodating space, and the extending direction of the clamping groove is the same as the extending direction of the clamping part.
5. The ear phone charging box of claim 2, wherein the engaging portion is disposed on a side of the supporting member close to the through slot, the engaging slot is disposed on an inner wall of the lower housing close to the supporting member, the engaging portion extends from the supporting member toward the accommodating space, and an extending direction of the engaging slot is the same as an extending direction of the engaging portion.
6. The earphone charging box according to claim 4 or 5, wherein a plurality of the engaging portions are provided, a plurality of the engaging grooves are provided, the plurality of the engaging portions are provided at intervals along an axial direction of the rotating shaft, and the plurality of the engaging grooves are provided at intervals along the axial direction of the rotating shaft; the clamping parts and the clamping grooves are arranged in a one-to-one correspondence mode.
7. The earphone charging box according to any one of claims 3-5, wherein the engaging portion comprises a main body portion and a protruding portion, and the protruding portion is disposed on a side of the main body portion facing away from the supporting member; the main body part and the bulge are close to one side of the through groove and are arranged in a coplanar mode, and one side, deviating from the through groove, of the bulge is arranged in a staggered mode.
8. The ear bud charging box of claim 7, wherein the slot includes a first slot and a second slot, the second slot being in communication with an end of the first slot distal from the support member, the body portion being received in the first slot, the protrusion being received in the second slot; the second clamping groove comprises a first stopping wall and a second stopping wall which are connected in a bending mode, the first stopping wall is connected with the inner side wall of the lower bottom shell in a bending mode, and the second stopping wall deviates from the end portion of the lower bottom shell towards the supporting piece in a extending mode.
9. The earphone charging box of claim 8, wherein a side of the protrusion portion adjacent to the second slot is provided with a first locking portion, the second slot is provided with a second locking portion adapted to the first locking portion, and the first locking portion and the second locking portion cooperate to fixedly connect the protrusion portion and the second slot.
10. The earphone charging box of claim 7, wherein the engaging portion and the slot are fixed by adhesion.
11. The earphone charging box according to any one of claims 8 to 10, wherein the cover body comprises an upper cover body and a lower cover body, the upper cover body has a receiving cavity corresponding to the receiving space, and the lower cover body is disposed in the receiving cavity; the upper cover body is connected with the lower bottom shell in a turning and buckling mode through the rotating shaft.
12. The earphone charging box according to claim 11, wherein the lower cover extends to form a first placing groove in the accommodating cavity, and the upper bottom shell extends to form a second placing groove in the accommodating space; wherein the first placing groove and the second placing groove are configured to be able to form a placing space for placing a headphone.
CN202120666628.0U 2021-03-31 2021-03-31 Earphone charging box Active CN215344998U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023246716A1 (en) * 2022-06-21 2023-12-28 华为技术有限公司 Charging box and earbud assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023246716A1 (en) * 2022-06-21 2023-12-28 华为技术有限公司 Charging box and earbud assembly

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