A kind of charging cell back splintTechnical field
The utility model belongs to Cellphone Accessories manufacturing technology field, specifically a kind of charging cell back splint.
Background technique
Universal with large-size smartphone, cell phone standby time short contradiction becomes increasingly conspicuous, and general mobile phone uses 1 yearLeft and right stand-by time can greatly shorten, and charging is frequent, it is sometimes desirable to and it fills within one day two, brings worry to user, and smart phone is electricPond is mostly internal battery, and cannot replace battery.If the mobile phone for being worth thousands of members is replaced, can both be caused to user very bigEconomic loss, and user has just been familiar with the various functions of mobile phone, and replacement new cell-phone can bring very big inconvenience to user again.Therefore, easy to carry to be
The charger baby that mobile phone charges and the mobile phone charging back splint with charge function come into being.
Currently, in the market there are many with charge function mobile phone charge back splint, mainly by mobile phone cavity, rechargeable battery,Charging circuit component composition, these mobile phones charging back splint have integral type, are typically necessary when installing mobile phone and back splint is exerted oneselfIt struts, then mobile phone is pressed into；Also there is split type, can usually to separate in the top setting of mobile phone charging back splint top cover,The separate mode of top cover has chute type and buckle-type, and split type back splint is easily installed and detaching mobile phones.But these mobile phones chargeRechargeable battery in back splint is also all directly anchored to be integrally formed inside mobile phone charging back splint with mobile phone charging back splint, when mobile phone electricityWhen the battery capacity of pond and mobile phone charging back splint all exhausts, need to charge to mobile phone charging back splint and mobile phone with charger,Charging time is long, this situation is encountered when outgoing and just needs that power socket is looked for charge, and otherwise mobile phone is not just available, this gives userIt makes troubles, or even important affairs can be affected adversely or cause heavy losses.In addition, the battery core service life of each rechargeable battery hasLimit, when the rechargeable battery battery core life termination in mobile phone charging back splint, because cannot replace, mobile phone charges back splint and thereinRechargeable battery will be scrapped together,
This has resulted in very big waste.
Chinese patent (application number: 201620705212.4) discloses in a kind of mobile phone charging back splint, including shell, shellBattery cavities, charging circuit component, hole corresponding with mobile phone and interface is arranged in the shell, its main feature is that: the battery cavitiesThe back of shell is set, openable rear cover is provided on battery cavities, the touching connecting with rechargeable battery is provided in battery cavitiesPoint and battery lock and rear cover lock pillar, cover after described and are provided with and the matched lockhole of the lock pillar.Filling in its battery cavitiesBattery is detachable installation, solves the problems, such as that battery cannot be replaced.
Since the charging plug of mobile phone charging is all disposed within the lower end of charging cell back splint, filling on existing mobile phone back splintThere are mainly two types of fixed forms for dateline (iPhone charging head and Type C charging head): one is weld charging head fixing pieceOn circuit boards, then by charging head and charging head fixing piece it fixes, in this way, charging circuit board will occupy larger space, makes handThe lower end of machine back splint has biggish " chin ", both unsightly, be also inconvenient to replace battery；Another kind is by the encapsulated injection molding of charging headOn plastic housing, if charging circuit board to be arranged in the top of charging cell back splint, it is necessary to even with flexible circuit board (FPC)Charging circuit board and charging head are connect, the product defect rate meeting when flexible circuit board is directly connected to charging head, in production processIt is very high, up to 20% or more.
How a kind of charging cell back splint is designed, and charging head and joint structure of flexible circuit boards setting rationally, enhanceThe reliability and convenience of charging head installation, facilitate user to take out mobile phone from mobile phone back splint at any time, this is urgently to solve at presentCertainly the problem of.
Summary of the invention
The utility model to solve the above problems existing in the prior art, provides a kind of charging cell back splint, charging headWith joint structure of flexible circuit boards setting rationally, enhance charging head installation reliability and convenience, also facilitate user withWhen take out mobile phone from mobile phone back splint.
The purpose of this utility model is achieved through the following technical solutions:
A kind of charging cell back splint, including shell and charging circuit component, the charging circuit component include charging electricityBattery cavities are arranged in the back of road plate and charging head, the shell, which is characterized in that the charging circuit board is arranged in the shellInterior top, the lower end of the shell are arranged charging head fixing piece, flexible circuit board, the flexible circuit are arranged in the shellPlate one end is connect with the charging circuit board, and the flexible circuit board other end is connect with the charging head, the charging head withThe charging head fixing piece is fixedly connected.
Improvement to above-mentioned technical proposal: the shell includes cell phone back splenial bone frame, mobile phone back splint cover board and mobile phone protectionSet, the mobile phone back splint cover board and the cell phone back splenial bone frame are formed by hard plastic injection molding, and the mobile phone protective cover is softGlue material matter with and the cell phone back splenial bone frame integrated frame is formed by injection molding, the mobile phone protective cover lower partSoft edge covers on the charging head fixing piece, and fixation hole, the cell phone back is arranged in the mobile phone back splint cover board edgeFolder cover board is connected as one with screw and the frame inner edge.
The first improvement to above-mentioned technical proposal: the charging head fixing piece is fixed at the mobile phone back splint cover boardLower end form integral type charging head fixing piece, slot is set on the integral type charging head fixing piece, the charging head passes throughInterference fit is inserted into the slot.
Second of improvement to above-mentioned technical proposal: the charging head fixing piece is detachable charging head fixing piece, canScrew hole, detachable charging head fixing piece two screws and the side are arranged in the both ends of detachable charging head fixing pieceThe bottom edge of frame is connected and fixed, and the card slot formed by muscle position, the charging head are arranged on the detachable charging head fixing pieceIt is inserted into the card slot by interference fit.
The third improvement to above-mentioned technical proposal: the charging head fixing piece is assembly type charging head fixing piece, describedScrew hole, two spiral shells of the assembly type charging head fixing piece charging head fixing piece are arranged in the both ends of assembly type charging head fixing pieceIt follows closely and is connected and fixed with the bottom edge of the frame, charging head rear end fixing screws and the assembly type charging head fixing pieceIt is fixedly connected.
Further improvement to above-mentioned technical proposal: caulking groove is arranged in the mobile phone back splint cover board, and the flexible circuit board is embeddingEnter in the caulking groove.
Further improvement to above-mentioned technical proposal: the mobile phone back splint cover board be arranged the side of the flexible circuit board withThe frame forms mobile phone ac chamber, and the other side of the mobile phone back splint cover board is arranged in the battery cavities.
Further improvement to above-mentioned technical proposal: the battery cavities are equipped with flip lid, the opening end setting of the flip lidThe charge connector for connecting rechargeable battery is arranged in the battery cavities, sets on the charge connector for the shell lower endThe contact pin set is corresponding with the contact holes on the rechargeable battery periphery being mounted in battery cavities, the charge connector by line row withThe charging circuit board connection.
The utility model compared with prior art the advantages of and good effect be:
1, the charging head of the utility model is fixed on the charging head fixing piece of shell lower end setting, and principle is simple, designIt is ingenious, enhance the reliability and convenience of charging head installation.Slot or card slot, slot or card slot are set on charging head fixing pieceGenerally applicable installation apple charging head and Type C charging head, it is easy for installation.
2, the shell of the utility model is made of cell phone back splenial bone frame, mobile phone back splint cover board and mobile phone protective cover, cell phone backSplenial bone frame is connected by way of integrated injection molding with mobile phone protective cover molding, structurally reasonable, and compact, processing and fabricating is convenient.
3, the utility model is equipped with flip lid on battery cavities, and shell lower end is arranged in the opening end of flip lid, opens and replacement is filledBattery is convenient.
4, the charging circuit board of the utility model is arranged on the intracorporal top of shell, avoids having in the lower end of mobile phone back splint larger" chin ", it is not only beautiful and generous, but also user is facilitated to take out mobile phone from back splint at any time, also create item for convenience of replacement batteryPart.
Detailed description of the invention
Fig. 1 is a kind of perspective view of charging cell back splint of the utility model；
Fig. 2 is a kind of assembling process schematic diagram of charging cell back splint of the utility model；
Fig. 3 is a kind of schematic diagram of its charging head fixed form embodiment 1 of charging cell back splint of the utility model；
Fig. 4 is the portion the A partial enlarged view in Fig. 3；
Fig. 5 is a kind of schematic diagram of its charging head fixed form embodiment 2 of charging cell back splint of the utility model；
Fig. 6 is the portion the B partial enlarged view in Fig. 5；
Fig. 7 is the schematic diagram of its charging head fixed form embodiment 3 of the utility model charging cell back splint；
Fig. 8 is the portion the C partial enlarged view in Fig. 7.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing:
Referring to figures 1-4, a kind of specific embodiment of charging cell back splint of the utility model, including shell and chargingCircuit unit, the charging circuit component include charging circuit board and charging head 2.1, and battery cavities, charging is arranged in the back of shellCharging head fixing piece is arranged on the intracorporal top of shell, in the lower end of shell in circuit board setting, and flexible circuit board 2 is arranged in shell,2 one end of flexible circuit board is connect with charging circuit board, and 2 other end of flexible circuit board is connect with charging head 2.1, charging head 2.1 withCharging head fixing piece is fixedly connected.
Specifically: shell described above includes cell phone back splenial bone frame 4, mobile phone back splint cover board 1 and mobile phone protective cover 3, handMachine back splint cover board 1 and cell phone back splenial bone frame 4 are formed by hard plastic injection molding, and mobile phone protective cover 3 is soft rubber material and and mobile phoneBack splint skeleton 4 forms integrated frame 5 by injection molding.The soft edge covering charging head of 3 lower part of mobile phone protective cover is solidDetermine on part, fixation hole 1.1, mobile phone back splint cover board 1 screw and the frame is arranged in 1 edge of mobile phone back splint cover board5 inner edges are connected as one.
A kind of charging cell of the utility model carries on the back the embodiment 1 of its charging head fixed form: charging head fixing piece is fixedThe lower end of the mobile phone back splint cover board is set and forms integral type charging head fixing piece 1.3, in integral type charging head fixing pieceSlot is set on 1.3, and the charging head 2.1 is inserted into the slot by interference fit, as shown in Figure 3, Figure 4.
A kind of charging cell of the utility model carries on the back the embodiment 2 of its charging head fixed form: the charging head fixing pieceFor detachable charging head fixing piece 6, the both ends of detachable charging head fixing piece 6 are arranged screw hole, described detachable to fillDateline fixing piece 6 is connected and fixed with the bottom edge of two screws 7 and the frame 5, on the detachable charging head fixing piece 6The card slot formed by muscle position is set, and the charging head 2.1 is inserted into the card slot by interference fit, as shown in Figure 5, Figure 6.
A kind of charging cell of the utility model carries on the back the embodiment 3 of its charging head fixed form: the charging head fixing pieceFor assembly type charging head fixing piece 8, screw hole, the assembly type charging is arranged in the both ends of the assembly type charging head fixing piece 8Head fixing piece charging head fixing piece is connected and fixed with the bottom edge of two screws 7 and the frame 5,2.1 rear end of charging headIt is fixedly connected with fixing screws 9 with the assembly type charging head fixing piece 8.As shown in Figure 7, Figure 8.
For preferably fixed flexible circuit board 2, and 1 surface of mobile phone back splint cover board is made to keep smooth, mobile phone back splint cover board 1Caulking groove 1.2 is set, flexible circuit board 2 is embedded in caulking groove 1.2.
The side of flexible circuit board 2 is arranged in above-mentioned mobile phone back splint cover board 1 and frame 5 forms mobile phone ac chamber, Ke YigengThe other side of mobile phone back splint cover board 1 is arranged in the battery cavities for changing rechargeable battery.
Flip lid is equipped on battery cavities, shell lower end is arranged in the opening end of flip lid, and setting is filled for connecting in battery cavitiesThe charge connector of battery, the contact pin being arranged on charge connector and the touching on the rechargeable battery periphery being mounted in battery cavitiesSpot hole is corresponding, and charge connector is arranged by line and connect with the charging circuit board.Filling in battery cavities can be replaced by opening flip lidBattery.
In order to cooperate mobile phone normal use, Mike corresponding with mobile phone hole is at least set on shell, discharge hole outside sound, is taken the photographAs head bore, cellular phone power supplies button hole, mobile phone volume button hole and mobile phone card bore.
Referring to fig. 2, a kind of production and assembly mode of charging cell back splint of the utility model is as follows:
The first step, cell phone back splenial bone frame 4 and mobile phone back splint bottom plate 1 distinguish injection molding；
Second step, by encapsulated Shooting Technique on the basis of cell phone back splenial bone frame 4, by the mobile phone protective cover 3 of flexible glue withCell phone back splenial bone frame 4 is molded the frame 5 being integrated；
Charging head 2.1 is put into the integral type charging head fixing piece 1.3 that 4 lower end of cell phone back splenial bone frame is arranged by third stepIn slot, then, the flexible circuit board 2 connecting with charging head 2.1 is sticked in the caulking groove 1.2 of mobile phone back splint cover board 1；
Step 3 has been fixed charging head 2.1 and the mobile phone back splint cover board 1 of flexible circuit board 2 is put into step by the 4th stepIn frame 5 made of rapid two, after the screw hole alignment of 5 inside of the fixation hole at 1 edge of mobile phone back splint cover board and frame, lead toIt is integral to cross screw fixation.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above, thisThe those of ordinary skill of technical field, the made variations, modifications, additions or substitutions in the essential scope of the utility model,Also belong to the protection scope of the utility model.