CN207588519U - A kind of AA and AAA battery chargers upper casing - Google Patents

Abstract

The utility model discloses a kind of AA and AAA battery chargers upper casings, including rear cover, fixed block and elastic seal ring, fixed plate is provided on the right side of the rear cover, the intermediate position of the fixed plate is installed with charging recess, and sealing plate is connected on the right side of fixed plate, seal closure is installed at the right side port of the sealing plate, cross bar is installed on the downside of the fixed block, and it is inlaid with washer at the both sides port of cross bar, locker is installed on the inside of the washer, contact layer is provided on the upside of the elastic seal ring, the upside of the linking lid is installed with waterproofing protection circle, and it is provided with liquid crystal display on the inside of waterproofing protection circle.AA the and AAA battery charger upper casings, upper casing can be divided into two parts by being provided with locker, so that upper casing is after using a period of time to wear, the upper part of upper casing can more be changed jobs, so that the durability of charger is more preferable, and structure is relatively simple, cost of manufacture is relatively low, is used suitable for large-scale productionization.

Description

A kind of AA and AAA battery chargers upper casing

Technical field

The utility model is related to a kind of charger device technical field, specially a kind of AA and AAA battery chargers upper casing.

Background technology

Common AA is also alkaline battery, and generally in 1.5V, discharge curve journey linear decline quickly can be exactly cell voltage 1.5V is dropped to hereinafter, charging AA, there are 2 kinds, one kind is Ni-MH battery, this capacity is bigger, and maximum is in 2500 milliamperes, also one Kind is nickel-cadmium cell, this capacity is smaller, and maximum at 1300 milliamperes or so, single cell voltage is 1.1 or 1.2V, and charging is electric Pond charge and discharge cycles can be large current discharge up to 500 ~ 1500 times, and the internal resistance variation of electric discharge moment is little, until the internal resistance of electric discharge latter stage is It sharply increases, wherein Ni-MH battery does not have a Memorability, and capacity maximum is up to 2700mAh at present, therefore than nickel-cadmium cell more It is outstanding, the features such as economy and excellent environmental-protecting performance, alkaline battery, nickel-cadmium cell will be gradually substituted, to AA and AAA Battery, which carries out charging, to be needed to use battery charger progress charging work, and shell is the important component of battery charger, is passed The shell mechanism of system is more single, is not provided with the liquid crystal display with waterproof construction, and the external port of shell is worn When can not carry out more changing jobs for part so that the use of shell is not environmentally friendly enough, and shock-damping structure is not provided on shell, it is impossible to Charger impact force caused by charger internal element during use of taking enough is reduced, therefore and impracticable.

It is existing currently on the market in order to solve the disadvantage that, on the market there is an urgent need to improve the equipment of charger case, with Preferably carry out the charging work of AA and AAA batteries.

Utility model content

The purpose of this utility model is to provide a kind of AA and AAA battery chargers upper casing, to solve above-mentioned background technology Middle proposition is not provided with the liquid crystal display with waterproof construction, and part can not be carried out when the external port of shell is worn More change jobs so that the use of shell is not environmentally friendly enough, the problems such as being not provided with shock-damping structure.

To achieve the above object, the utility model provides following technical solution：A kind of AA and AAA battery chargers upper casing, Including rear cover, fixed block and elastic seal ring, fixed plate, the intermediate position dress of the fixed plate are provided on the right side of the rear cover Equipped with charging recess, and sealing plate is connected on the right side of fixed plate, seal closure is installed at the right side port of the sealing plate, institute It states and cross bar is installed on the downside of fixed block, and washer is inlaid at the both sides port of cross bar, lock is installed on the inside of the washer Buckle device is provided with contact layer on the upside of the elastic seal ring, and elastic seal ring is connected by contact layer with linking lid, The upside of the linking lid is installed with waterproofing protection circle, and be provided with liquid crystal display on the inside of waterproofing protection circle.

Preferably, the fixed plate is equipped with insulating protective layer, and the insulating protective layer is seamless is wrapped in the outer of fixed plate Side.

Preferably, the cross bar is equipped with groove, and the groove internal diameter is identical with the exterior side port size of locker.

Preferably, the locker includes lock lower plate, lock stick, linking circle and lock upper plate, latches the upside of lower plate Lock stick is installed with, and the intermediate position for locking stick is provided with linking circle, the top for locking stick is equipped with lock upper plate.

Preferably, there are four the charging recess is set altogether, and four charging recess sizes are identical.

Preferably, the upper port size of the contact layer is identical with the lower port size of linking lid.

Compared with prior art, the beneficial effects of the utility model are：AA the and AAA battery charger upper casings, by setting Two parts can be divided by upper casing by being equipped with locker so that upper casing, can be by the upper of upper casing after a period of time is used to wear Part is more changed jobs so that the durability of charger is more preferable, and is provided with liquid crystal display and waterproofing protection circle, Neng Gouyou Effect prevents liquid crystal display from being corroded by external source so that the service life of liquid crystal display is longer, while is provided with bullet Property sealing ring can to charger carry out effectively buffering work, to reduce charger during use of taking to charger internal Impact force caused by element so that the use of charger is safer, and structure is relatively simple, and cost of manufacture is relatively low, is suitable for Large-scale productionization uses.

Description of the drawings

Fig. 1 is the utility model positive structure diagram；

Fig. 2 is the utility model side structure schematic view；

Fig. 3 is the utility model locker structure diagram.

In figure：1st, rear cover, 2, fixed plate, 3, charging recess, 4, sealing plate, 5, seal closure, 6, fixed block, 7, cross bar, 8, Washer, 9, locker, 901, lock lower plate, 902, lock stick, 903, linking circle, 904, lock upper plate, 10, elastic seal ring, 11st, contact layer, 12, linking lid, 13, waterproofing protection circle, 14, liquid crystal display.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.

- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of AA and AAA battery chargers upper casing, including Rear cover 1, fixed block 6 and elastic seal ring 10, the right side of rear cover 1 are provided with fixed plate 2, and the intermediate position of fixed plate 2 is installed with Charging recess 3, and the right side of fixed plate 2 is connected with sealing plate 4, fixed plate 2 is equipped with insulating protective layer, and the insulating protective layer The seamless outside for being wrapped in fixed plate 2 can effectively prevent power supply to generate the phenomenon that leaking electricity by fixed plate 2 so that upper casing Using safer, charging recess 3, can be simultaneously to four altogether there are four settings, and four 3 sizes of charging recess are identical Battery carries out electric power storage work so that the electric power storage of battery is more efficient, and seal closure 5, fixed block are equipped at the right side port of sealing plate 4 6 downside is installed with cross bar 7, and washer 8 is inlaid at the both sides port of cross bar 7, and cross bar 7 is equipped with groove, and in the groove Diameter is identical with the exterior side port size of locker 9, is rotatably connected by locker 9 with cross bar 7, in order to 11 He of contact layer Linking lid 12 is fixedly connected, and the inside of washer 8 is equipped with locker 9, and locker 9 includes lock lower plate 901, lock stick 902nd, linking circle 903 and lock upper plate 904, the upside of lock lower plate 901 are installed with lock stick 902, and lock the intermediate position of stick 902 Linking circle 903 is provided with, the top of lock stick 902 is equipped with lock upper plate 904, can be by rotating locker 9 and cross bar 7 Dismantlement work is carried out, more convenient when linking lid 12 is worn and needs replacing, the upside of elastic seal ring 10, which is provided with, to be connect Contact layer 11, and elastic seal ring 10 is connected by contact layer 11 with linking lid 12, the upper port size of contact layer 11 is with being connected The lower port size of lid 12 is identical so that contact layer 11 and the linking for being connected lid 12 are even closer, contact layer 11 and linking lid 12 Connection it is more secured, linking lid 12 upside be installed with waterproofing protection circle 13, and the inside of waterproofing protection circle 13 is provided with liquid Crystal display screen 14.

Operation principle：It, can be by rotating locker after AA the and AAA battery chargers upper casing is used for a period of time 9 are dismantled from cross bar 7 so that contact layer 11 detaches, and replace with new linking lid 12 with linking lid 12, according to similarly general Work is fixed with contact layer 11 in linking lid 12 so that the linking lid 12 that charger outer surface is worn is changed to newly Carry out use so that the durability of charger is more preferable, and battery arrangement can be carried out charging work on charging recess 3, The phenomenon that insulating protective layer in middle fixed plate 2 can effectively prevent electric current to leak so that the safety in utilization of charger More preferably, and liquid crystal display 14 and waterproofing protection circle 13 are provided with, liquid crystal display 14 can be effectively prevent by external source Erosion, the use of charger upper casing is very convenient and structure is relatively easy, and cost of manufacture is relatively low, suitable for large-scale productionization It uses.

Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art is come Say, can still modify to the technical solution recorded in foregoing embodiments or to which part technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims (6)

1. a kind of AA and AAA battery chargers upper casing, including rear cover（1）, fixed block（6）And elastic seal ring（10）, feature It is：The rear cover（1）Right side be provided with fixed plate（2）, the fixed plate（2）Intermediate position be installed with charging recess （3）, and fixed plate（2）Right side be connected with sealing plate（4）, the sealing plate（4）Right side port at seal closure is installed （5）, the fixed block（6）Downside be installed with cross bar（7）, and cross bar（7）Both sides port at be inlaid with washer（8）, it is described Washer（8）Inside locker is installed（9）, the elastic seal ring（10）Upside be provided with contact layer（11）, and bullet Property sealing ring（10）Pass through contact layer（11）With being connected lid（12）It is connected, the linking lid（12）Upside be installed with waterproof guarantor Guard ring（13）, and waterproofing protection circle（13）Inside be provided with liquid crystal display（14）.

2. a kind of AA and AAA battery chargers upper casing according to claim 1, it is characterised in that：The fixed plate（2）On Equipped with insulating protective layer, and the insulating protective layer is seamless is wrapped in fixed plate（2）Outside.

3. a kind of AA and AAA battery chargers upper casing according to claim 1, it is characterised in that：The cross bar（7）On set It is fluted, and the groove internal diameter and locker（9）Exterior side port size it is identical.

4. a kind of AA and AAA battery chargers upper casing according to claim 1, it is characterised in that：The locker（9） Including latching lower plate（901）, lock stick（902）, linking circle（903）With lock upper plate（904）, latch lower plate（901）Upside dress Equipped with lock stick（902）, and lock stick（902）Intermediate position be provided with linking circle（903）, lock stick（902）Top lock is installed Buckle plate（904）.

5. a kind of AA and AAA battery chargers upper casing according to claim 1, it is characterised in that：The charging recess（3） Altogether there are four settings, and four charging recess（3）Size is identical.

6. a kind of AA and AAA battery chargers upper casing according to claim 1, it is characterised in that：The contact layer（11） Upper port size be connected lid（12）Lower port size it is identical.