CN204559644U - For the wireless charging valve jacket of mobile terminal - Google Patents

Abstract

The utility model relates to the technical field of mobile terminals, and discloses a wireless charging case for a mobile terminal, including a case, a wireless charging circuit board and a connection plug; the wireless charging circuit board is placed in the case; the connection plug includes a plastic body and a flexible row The plastic body includes a curved section, an upper plug end and a lower plug end, and the lower plug end is movably inserted into the slot; the flexible circuit board includes a middle section, an upper connection end and a lower connection end; the metal contact piece of the upper connection end is exposed on the On the surface of the upper plug end, the metal contacts of the lower connection end are exposed on the surface of the lower plug end. The two plug ends of the connecting plug are respectively inserted into the interface and the slot of the mobile terminal. The mobile terminal is connected to the wireless charging circuit board without soldering, etc., so as to avoid the flexible cable being pulled during the plugging and unplugging process of the connecting plug. Phenomenon, convenient and convenient connection; metal contact piece and mobile terminal and wireless charging circuit belong to surface contact connection, and its connection contact is better.

Description

Wireless Charging Cases for Mobile Terminals

technical field

The utility model relates to the technical field of mobile terminals, in particular to a wireless charging case for the mobile terminal.

Background technique

At present, the development of portable mobile terminals such as mobile phones and tablet computers is changing with each passing day. Consumers not only have aesthetic requirements for these mobile terminals, but also have high requirements for the expansion of the functions of the mobile terminal itself and the expansion of battery capacity. .

At present, there are wireless charging shells for mobile terminals on the market, which include a shell, and a circuit for expanding the functions of the mobile terminal is built inside the shell, such as a wireless charging circuit. In this way, the mobile terminal device is in the shell, so that the shell Not only can the mobile terminal itself be covered and protected, but also, by connecting the wireless charging circuit in the housing with the mobile terminal, when the mobile terminal is placed on the wireless charging component, the mobile terminal can be charged.

In the prior art, one end of the connecting plug is welded with the wireless charging circuit, and the other end forms a plug plugged into the mobile terminal. In this way, the wireless charging circuit can be connected to the mobile terminal through the connecting plug. In the process of connecting the plug, it is easy to pull the connecting plug, resulting in an unstable connection between the connecting plug and the wireless charging circuit, which is prone to disconnection, and the assembly between the existing connecting plug and the shell is also difficult. more complicated.

Utility model content

The purpose of the utility model is to provide a wireless charging case for a mobile terminal, aiming to solve the problem of welding between the connecting plug and the wireless charging circuit in the wireless charging case for the mobile terminal in the prior art, which is prone to occur between the connecting plug and the wireless charging. Problems with unstable circuit connections, disconnected connections, and complex assembly.

The utility model is realized in such a way that the wireless charging shell cover for mobile terminals includes a shell, a wireless charging circuit board and a connecting plug; the shell is provided with an opening at the upper end and a cavity for placing the mobile terminal, and the shell A slot is provided in the bottom of the body, the slot has a side opening, the wireless charging circuit board is placed in the housing, and the wireless charging circuit board has a contact end extending into the slot;

The connecting plug includes a plastic body and a flexible cable. The plastic body is curved and includes a curved section, an upper plug end and a lower plug end for being inserted into a mobile terminal interface, and the upper plug end and the lower plug end are respectively connected to At both ends of the curved section, and the upper plug end and the lower plug end are spaced up and down, the lower plug end is movably inserted in the slot, and the upper plug end and the curved section are placed outside the slot;

The flexible circuit board includes a middle section, an upper connection end and a lower connection end, the upper connection end and the lower connection end are respectively connected to two ends of the middle section, and the surfaces of the upper connection end and the lower connection end have metal contact piece; the upper connection end is placed in the upper plug end, and the metal contact piece of the upper connection end is exposed on the surface of the upper plug end, the lower connection end is placed in the lower plug end, and The metal contact piece of the lower connection end is exposed on the surface of the lower plug end, and the middle section is placed in the bent section.

Further, the metal contact piece of the upper connection end is exposed on the lower surface of the upper plug end, and the metal contact piece of the lower connection end is exposed on the upper surface of the lower plug end.

Further, the upper connection end and the lower connection end are respectively provided with hard plates, and the hard plates are arranged away from the metal contacts.

Further, the hard board is provided with a first through hole.

Further, the middle section of the flexible cable is provided with a second through hole.

Further, the front end of the hard plate provided on the lower connection end extends outside the front end of the lower connection end to form an extension section, and the outer edge section is wrapped in the lower plug end.

Further, a third through hole is provided in the outer edge section.

Further, the upper connection end of the flexible cable has a metal sheet extending outward, and the metal sheet bypasses the front end of the hard board on the upper connection end and is arranged above the hard board at the upper connection end .

Further, the two sides of the lower plug end are respectively protruded with bosses, and the two sides of the slot are respectively provided with rail grooves, and the rail grooves are arranged along the sides of the slot, and the bosses are movable placed in the track groove.

Further, the outer end of the rail groove is provided with a stopper for preventing the lower plug end from sliding out of the side opening of the slot.

Compared with the prior art, in the wireless charging case for the mobile terminal provided by the utility model, the upper plug end of the connecting plug is inserted into the mobile terminal, and the lower plug end is inserted in the slot, which is compatible with wireless charging. The circuit board is electrically connected to realize the electrical connection between the mobile terminal and the wireless charging circuit board. It is not necessary to weld the flexible circuit and the wireless charging circuit, etc., to avoid the flexible cable being pulled during the plugging and unplugging process. The phenomenon of disconnection makes the connection between the connecting plug and the mobile terminal and the shell convenient and convenient; in addition, because the metal contacts exposed on the upper plug end and the lower plug end are in surface contact with the mobile terminal and the wireless charging circuit Connection, the connection contact is better.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram 1 of a wireless charging case for a mobile terminal 10 provided by an embodiment of the present invention;

FIG. 2 is a perspective view II of a wireless charging case for a mobile terminal 10 provided by an embodiment of the present invention;

FIG. 3 is a three-dimensional schematic diagram of a wireless charging case for a mobile terminal 10 provided by an embodiment of the present invention;

Fig. 4 is the enlarged schematic view of A place in Fig. 3;

FIG. 5 is a perspective view of a wireless charging case for a mobile terminal 10 provided by an embodiment of the present invention;

Fig. 6 is a schematic front view of the wireless charging case for the mobile terminal 10 provided by the embodiment of the present invention;

Fig. 7 is a three-dimensional exploded schematic diagram of the connection plug 1 for mobile diagnosis provided by the embodiment of the present invention;

FIG. 8 is a schematic front view of the cooperation between the flexible cable 12 provided by the embodiment of the present invention and the two hard boards 13 .

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

The realization of the utility model is described in detail below in conjunction with specific embodiments.

As shown in Figures 1-8, it is a preferred embodiment provided by the utility model.

The wireless charging case provided in this embodiment is used in conjunction with a mobile terminal 10 (such as a mobile phone, a tablet computer, etc.), so that when the mobile terminal 10 is placed in the wireless charging case, it cooperates with an external wireless charging component, Then the mobile terminal 10 can be charged.

The wireless charging shell includes a housing 15, a wireless charging circuit board and a connecting plug 1, wherein the housing 15 is provided with a concave cavity with an open upper end, and the mobile terminal 10 is directly embedded in the concave cavity of the housing 15, so that the display of the mobile terminal 10 The screen is exposed through the upper opening of the housing 15 . The shell 15 can cover and protect the mobile terminal 10 , and a slot 151 is disposed in the bottom of the shell 15 , and the slot 151 has a side opening. The wireless charging circuit board is disposed in the housing 15 , and the wireless charging circuit board has a contact terminal extending into the slot 151 .

The connecting plug 1 includes a plastic body 11 and a flexible cable 12, wherein the plastic body 11 is arranged in a curved shape, the plastic body 11 includes a curved section 112, an upper plug end 111 and a lower plug end 113, and the upper plug end 111 and the lower plug end 113 They are respectively connected to the upper end and the lower end of the curved section 112, and the upper plug end 111 and the lower plug end 113 are spaced up and down. Of course, the two plug ends can be aligned or staggered.

The lower plug end 113 of the plastic body 11 is movably placed in the slot 151 of the housing 15 , it can be inserted into the slot 151 from the side opening of the slot 151 , or it can also move along the slot 151 toward the side opening. The curved section 112 of the plastic body 11 and the upper plug end 111 are arranged outside the slot 151 of the housing 15 , and the upper plug end 111 is plugged into the interface of the mobile terminal 10 .

The flexible cable 12 includes a middle section 122, an upper connection end 121 and a lower connection end 123. The upper connection end 121 and the lower connection end 123 are respectively connected to both sides of the middle section 122, and the upper connection end 121 and the lower connection end 123 Metal contacts 124 are formed on the surface.

The flexible cable 12 is built in the plastic body 11, the flexible cable 12 extends along the length direction of the plastic body 11, the upper connection end 121 is placed in the upper plug end 111 of the plastic body 11, and the metal contact of the upper connection end 121 The piece 124 is exposed on the lower surface of the upper plug end 111; the middle section 122 of the flexible cable 12 is curved and wrapped in the curved section 112 of the plastic body 11; the lower connection end 123 of the flexible cable 12 is placed in the plastic body 11 In the lower plug end 113 , and the metal contact piece 124 of the lower connection end 123 is exposed on the upper surface of the lower plug end 113 .

Of course, as for the metal contact piece 124 on the upper connection end 121 and the lower connection end 123, as long as it is formed on the surface of the upper connection end 121 and the lower connection end 123, such as the upper surface or the lower surface, it can be specified according to the mobile terminal 10. The interface and the arrangement of the contact end of the wireless charging circuit board are set.

During use and operation, after the mobile terminal 10 is installed in the housing 15, the interface of the mobile terminal 10 is aligned with the side opening of the slot 151 of the housing 15, and the lower plug end 113 of the connecting plug 1 is inserted into the slot 151. , and the metal contact piece 124 on the surface of the lower plug end 113 is electrically connected to the contact end of the wireless charging circuit board, the upper plug end 111 of the connecting plug 1 is inserted into the interface of the mobile terminal 10, and is electrically connected to the mobile terminal 10. connection, so as to realize the electrical connection between the mobile terminal 10 and the wireless charging circuit board. In this way, when the wireless charging case equipped with the mobile terminal 10 is placed on the external wireless charging component, the mobile terminal 10 can be charged. Charge.

Of course, when the shell needs to be disassembled from the mobile terminal 10, the lower plug end 113 of the connection plug 1 is moved outward along the slot 151, at this time, the upper plug end 111 is separated from the interface of the mobile terminal 10, and then , then the mobile terminal 10 can be disassembled from the case.

In this way, in the connecting plug 1 of the wireless charging case provided above, there is no need to weld the flexible circuit and the wireless charging circuit, etc., so as to avoid the flexible cable 12 being pulled and disconnected during the plugging and unplugging process of the connecting plug 1. connection phenomenon, and the operation of the connecting plug 1 on the interface connecting the wireless charging circuit board and the mobile terminal 10 is more convenient and convenient; in addition, since the connecting plug 1 is connected by the metal contact piece 124 and the mobile terminal 10 and the wireless charging circuit belong to Surface contact connection, the connection contact is better.

The plastic body 11 wraps the flexible cable 12 inside by injecting glue, in order to make the connection between the plastic body 11 and the flexible cable 12 stable and facilitate injection molding. In this embodiment, the upper connection end 121 and the lower connection end 123 of the flexible cable 12 are respectively provided with a hard board 13 , and the hard board 13 is arranged away from the metal contact piece 124 . In this way, the strength of the connection end is maintained by utilizing the supporting function of the hard board 13 , and the forming and manufacturing of the entire connection plug 1 is facilitated.

The hard board 13 is provided with a first through hole 131, so that when the plastic body 11 is injected and molded, the plastic can be bonded together with the flexible cable 12 through the first through hole 131, so that the flexible cable 12, The hard board 13 and the plastic body 11 are connected firmly.

In this embodiment, the middle section 122 of the flexible cable is entirely wrapped inside the plastic body 11, and a second through hole 126 is provided in the middle section 122 of the flexible cable 12. In this way, the injection molded plastic body At 11 o'clock, the plastics on both sides of the middle section 122 can pass through the second through hole 126 to be connected together, so that the middle section 122 of the flexible cable 12 and the plastic body 11 are firmly connected and integrated.

In order to ensure the supporting strength of the lower plug end 113 of the plastic body 11, in this embodiment, the front end of the hard plate 13 on the lower connecting end 123 extends out of the flexible cable 12 to form an extension section, which is wrapped around the lower plug end 113 inside.

In addition, a third through hole is provided in the outer edge section of the hard plate 13 of the flexible cable 12, so that when the plastic body 11 is injected and molded, the plastic on both sides of the lower plug end 113 of the plastic body 11 can be connected as a whole through the third through hole.

Or, as another embodiment, the front end of the hard board 13 of the lower connection end 123 is flush with the front end of the flexible cable 12, and a connecting bar 127 is arranged on the front end of the hard board 13, and the connecting bar 127 is connected to the hard board 12. The front end of the board 13 is connected to the front end of the flexible cable 12 .

The upper connection end 121 of the flexible cable 12 has a metal sheet 125 extending outward, and the metal sheet 125 bypasses the front end of the hard board 13 on the upper connection end 121 and is arranged above the hard board 13 of the upper connection end 121. In this way, during the plugging and unplugging process of the connecting plug 1 , the upper connecting end 121 of the flexible cable 12 is prevented from warping, and the service life of the connecting plug 1 is greatly increased.

In this embodiment, in order to facilitate the process of plugging and unplugging the connecting plug 1, the lower plug end 113 of the connecting plug 1 can move inside and outside along the slot 151, and the two sides of the lower plug end 113 and the two sides of the slot 151 A guide rail structure is provided, so that under the action of the guide rail structure, the lower plug end 113 of the connecting plug 1 can be inserted along the slot 151 or move outward along the slot 151 .

Specifically, the guide rail structure includes protrusions 114 arranged on both sides of the lower plug end 113 and rail grooves formed on both sides of the slot 151, wherein the protrusions 114 are arranged along the outer side of the lower plug end 113, and the rail grooves are arranged along the insertion The sides of the groove 151 are extended, and the boss 114 is movably placed in the rail groove, so that the boss 114 can move along the rail groove, that is, the lower plug end 113 can move along the slot 151 .

Of course, the above-mentioned guide rail structure can also be in other structural forms, and is not limited to the above-mentioned protrusion 114 and rail-groove fit.

In addition, in order to disengage the entire lower plug end 113 from the slot 151, in this embodiment, a stopper is provided at the outer end of the rail groove to prevent the lower plug end 113 from sliding from the side opening of the slot 151. out.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (10)

1. A wireless charging shell for a mobile terminal, characterized in that it includes a shell, a wireless charging circuit board, and a connecting plug; the shell is provided with an opening at the upper end and a cavity for placing the mobile terminal, and the bottom of the shell is A slot is provided in the center, the slot has a side end opening, the wireless charging circuit board is placed in the casing, and the wireless charging circuit board has a contact end extending into the slot; The connecting plug includes a plastic body and a flexible cable. The plastic body is curved and includes a curved section, an upper plug end and a lower plug end for being inserted into a mobile terminal interface, and the upper plug end and the lower plug end are respectively connected to At both ends of the curved section, and the upper plug end and the lower plug end are spaced up and down, the lower plug end is movably inserted in the slot, and the upper plug end and the curved section are placed outside the slot; The flexible circuit board includes a middle section, an upper connection end and a lower connection end, the upper connection end and the lower connection end are respectively connected to two ends of the middle section, and the surfaces of the upper connection end and the lower connection end have metal contact piece; the upper connection end is placed in the upper plug end, and the metal contact piece of the upper connection end is exposed on the surface of the upper plug end, the lower connection end is placed in the lower plug end, and The metal contact piece of the lower connection end is exposed on the surface of the lower plug end, and the middle section is placed in the bent section. 2. The wireless charging case for mobile terminals according to claim 1, wherein the metal contact piece of the upper connection end is exposed on the lower surface of the upper plug end, and the metal contact piece of the lower connection end exposed on the upper surface of the lower plug end. 3. The wireless charging shell for mobile terminal according to claim 1, characterized in that, the upper connection end and the lower connection end are respectively provided with a hard board, and the hard board is connected to the metal contact. The slices are arranged facing away from each other. 4. The wireless charging case for a mobile terminal according to claim 3, wherein a first through hole is provided in the hard board. 5. The wireless charging case for a mobile terminal according to any one of claims 1 to 4, wherein a second through hole is provided in the middle section of the flexible cable. 6. The wireless charging case for a mobile terminal according to claim 3, wherein the front end of the hard plate provided on the lower connection end extends beyond the front end of the lower connection end to form an extension , the extension section is wrapped in the lower plug end. 7. The wireless charging case for a mobile terminal according to claim 6, wherein a third through hole is provided in the extension section. 8. The wireless charging case for a mobile terminal according to claim 3, wherein a metal sheet extends outward from the upper connection end of the flexible cable, and the metal sheet bypasses the upper connection end The front end of the upper hard plate is arranged above the hard plate at the upper connection end. 9. The wireless charging case for mobile terminals according to any one of claims 1 to 4, characterized in that, the two sides of the lower plug end are respectively protrudingly provided with bosses, and the two sides of the slot are respectively A rail groove is provided, and the rail groove is extended and arranged along the side of the slot, and the protrusion is movably placed in the rail groove. 10. The wireless charging case for a mobile terminal according to claim 9, characterized in that, the outer end of the rail groove is configured to prevent the lower plug end from sliding out of the side opening of the slot. the block.