CN207490581U - A kind of automatic contraction charger - Google Patents

Abstract

The utility model discloses a kind of automatic contraction chargers, including fork, high frequency transformer, rectification circuit, charging wire and take-up reel, fork end is fixed with insulation crust, insulation crust bottom left is equipped with cold light indicator light, copper sheet is installed above high frequency transformer, overcurrent protection capacitance is installed on the left of copper sheet, take-up reel both sides are equipped with ratchet, ratchet is equipped with curling reed relative to one end of take-up reel, latch is installed below ratchet, charging wire end is equipped with plug, charging wire outermost layer is bundled with nylon fiber, corrosion-resistant coating is enclosed on the inside of nylon fiber, soft rubber layer is enclosed in corrosion-resistant coating.The curling reed of energy self-resetting is provided in this charger, the structure can store power in unwrapping wire, in take-up charging wire is withdrawn by screen resilience, curling reed end is fixed at ratchet center, when take-up reel unwrapping wire, ratchet drives curling reed turnup, the charging wire of releasing reach needed for can be fixed by latch after length.

Description

A kind of automatic contraction charger

Technical field

The utility model is related to Cellphone Accessories technical field, specially a kind of automatic contraction charger.

Background technology

Phone charger be by a stabilized power source plus necessary constant current, pressure limiting, in limited time etc. control circuits form.

But current charger most of on the market, there is the long easy winding sundries of charging wire, usually receiving inconvenience Problem or even the charger having, which also have, to leak electricity, wire lead drop out, the problem of overcharging.

Utility model content

It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of automatic contraction charger The long easy winding sundries of charging wire, usually receiving are inconvenient, electric leakage, wire lead drop out and the problem of overcharge.

To achieve the above object, the utility model provides following technical solution：A kind of automatic contraction charger, including bolt Head, high frequency transformer, rectification circuit, charging wire and take-up reel, the fork end are fixed with insulation crust, outside the insulation Shell bottom left is equipped with cold light indicator light, and copper sheet is equipped with above the high frequency transformer, was equipped on the left of the copper sheet Electric protection capacitance, the take-up reel both sides are equipped with ratchet, and the ratchet is equipped with curling reed relative to one end of take-up reel, Latch is installed, the charging wire end is equipped with plug, and the charging wire outermost layer is bundled with nylon fibre below the ratchet Dimension, the nylon fiber inside are enclosed with corrosion-resistant coating, soft rubber layer, the soft rubber are enclosed in the corrosion-resistant coating Layer inside is enclosed with core.

Further, the overcurrent protection capacitance is automatically powered off when current or voltage variation is excessive.

Further, the curling reed can at most rotate 30 circles.

Further, connect at the ratchet center with curling reed.

Further, the take-up panel surface is provided with several short conical papilla rubber.

Further, the cold light indicator light does not work in charging, gives a green light after charging complete.

Compared with prior art, the beneficial effects of the utility model are：Overcurrent protection capacitance changed in current or voltage It is automatically powered off when big, voltage instability, current fluctuation caused by people can meet thunderstorm weather in charging sometimes, this fluctuation pair The normal work of phone charger brings security risk, and overcurrent protection capacitance can protect mobile phone and charging in such a case Device, prevents the safety accident that charger is burnt or battery of mobile phone explodes, and curling reed can at most rotate 30 circles, originally fill Electric appliance, which is internally provided with, can store power in take-up reel unwrapping wire with the curling reed of self-resetting, the structure, after use according to Charging wire to be withdrawn by screen resilience, is connected at ratchet center with curling reed, the end for crimping reed is fixed at the center of ratchet, When take-up reel unwrapping wire, curling reed turnup can be driven by ratchet, ratchet is after the charging wire of releasing reaches required length It can be fixed by the latch of activity, take-up panel surface is provided with several short conical papilla rubber, and cone rubber is used for being filled Electric wire positioning prevents from winding, while the frictional force that can increase take-up reel prevents charging wire from sliding, and cold light indicator light is in charging It does not work, gives a green light after charging complete, cold light indicator light can provide the information of charger current state to user, conveniently make User confirms the charging time.

Description of the drawings

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the partial structurtes sectional view of the utility model.

In figure：1st, fork；2nd, insulation crust；3rd, overcurrent protection capacitance；4th, reed is crimped；5th, ratchet；6th, cold light indicates Lamp；7th, copper sheet；8th, high frequency transformer；9th, charging wire；901st, nylon fiber；902nd, corrosion-resistant coating；903rd, soft rubber layer；904、 Core；10th, take-up reel；11st, latch；12nd, plug；13rd, rectification circuit.

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.

It please refers to Fig.1 to 2, the utility model provides a kind of technical solution：A kind of automatic contraction charger, including fork 1st, insulation crust 2, overcurrent protection capacitance 3, curling reed 4, ratchet 5, cold light indicator light 6, copper sheet 7, high frequency transformer 8, charging Line 9, nylon fiber 901, corrosion-resistant coating 902, soft rubber layer 903, core 904, take-up reel 10, latch 11, plug 12 and whole Current circuit 13,10 surface of take-up reel are provided with several short conical papilla rubber, and cone rubber is used for preventing to the positioning of charging wire 9 Winding, while the frictional force that can increase take-up reel 10 prevents charging wire 9 from sliding, 1 end of fork is fixed with insulation crust 2, 2 bottom left of insulation crust is equipped with cold light indicator light 6, and cold light indicator light 6 does not work in charging, the brilliant green after charging complete Lamp, cold light indicator light 6 can provide the information of charger current state to user, high convenient for users to confirming the charging time 8 top of frequency power transformer is equipped with copper sheet 7, and 7 left side of copper sheet is equipped with overcurrent protection capacitance 3, and overcurrent protection capacitance 3 is in electric current or electricity It is automatically powered off when bucklingization is excessive, voltage instability, current fluctuation caused by people can meet thunderstorm weather in charging sometimes, this Kind fluctuation brings the normal work of phone charger security risk, and overcurrent protection capacitance 3 can be protected in such a case Mobile phone and charger prevent the safety accident that charger is burnt or battery of mobile phone explodes, and 10 both sides of take-up reel are equipped with spine 5 are taken turns, is connected at 5 center of ratchet with curling reed 4, the end of curling reed 4 is fixed at the center of ratchet 5, when take-up reel 10 During unwrapping wire, curling 4 turnup of reed can be driven by ratchet 5, ratchet 5 reach in the charging wire 9 of releasing needed for can be with after length It is fixed by the latch 11 of activity, ratchet 5 is equipped with curling reed 4 relative to one end of take-up reel 10, and curling reed 4 at most may be used With 30 circle of rotation, this charger internal, which is provided with, can be put with the curling reed 4 of self-resetting, the structure in take-up reel 10 Power is stored during line, withdraws charging wire 9 by screen resilience after use, 5 lower section of ratchet is equipped with latch 11, the installation of 9 end of charging wire There is plug 12,9 outermost layer of charging wire is bundled with nylon fiber 901, and 901 inside of nylon fiber is enclosed with corrosion-resistant coating 902, anti-corrosion Soft rubber layer 903 is enclosed in erosion layer 902,903 inside of soft rubber layer is enclosed with core 904.

Operation principle：First, fork 1 is inserted into socket, electric current is conductive laggard with overcurrent protection capacitance 3 by copper sheet 7 Enter high frequency transformer 8 to be depressured, the electric current after decompression enters 13 pressure-stabilizing constant flow of rectification circuit by copper wire, then the electricity of low pressure constant current Stream enters charging wire 9, and charging wire 9 is wrapped on take-up reel 10 and passes through the opening connection plug 12 of 2 bottom of insulation crust, take-up Disk 10 is fixed on ratchet 5, and from same axial take-up unwrapping wire, ratchet 5 drives curling 4 scrolling of reed, blocks after reaching a fixing turn Extremely, it while can also can be informed by the length of 11 fixed ratchet wheel 5 of latch control 10 retractable cable of take-up reel, cold light indicator light 6 The current charge condition of user, can give a green light if charging complete, and charging wire 9 is wrapped up for three layers, outermost nylon fiber 901 layers of Antiskid tensile are anti-fracture, and intermediate corrosion-resistant coating 902 can resist extraneous eroded elements, the soft rubber layer of innermost layer 903 insulate and intermediate core 904 are protected to be not broken.

Although there has been shown and described that the embodiment of 9 the utility model, for the ordinary skill in the art, can A variety of variations can carry out these embodiments in the case of the principle and spirit for not departing from the utility model with understanding, repair Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of automatic contraction charger, including fork（1）, high frequency transformer（8）, rectification circuit（13）, charging wire（9）With Take-up reel（10）, it is characterised in that：The fork（1）End is fixed with insulation crust（2）, the insulation crust（2）Bottom Left side is equipped with cold light indicator light（6）, the high frequency transformer（8）Top is equipped with copper sheet（7）, the copper sheet（7）Pacify in left side Equipped with overcurrent protection capacitance（3）, the take-up reel（10）Both sides are equipped with ratchet（5）, the ratchet（5）Relative to take-up reel （10）One end curling reed is installed（4）, the ratchet（5）Lower section is equipped with latch（11）, the charging wire（9）Pacify end Equipped with plug（12）, the charging wire（9）Outermost layer is bundled with nylon fiber（901）, the nylon fiber（901）It wraps up inside There is corrosion-resistant coating（902）, the corrosion-resistant coating（902）Inside it is enclosed with soft rubber layer（903）, the soft rubber layer（903） Inside is enclosed with core（904）.

2. a kind of automatic contraction charger according to claim 1, it is characterised in that：The overcurrent protection capacitance（3） Current or voltage variation automatically powers off when excessive.

3. a kind of automatic contraction charger according to claim 1, it is characterised in that：The curling reed（4）At most may be used With 30 circle of rotation.

4. a kind of automatic contraction charger according to claim 1, it is characterised in that：The ratchet（5）With rolling up at center Bent reed（4）Connect.

5. a kind of automatic contraction charger according to claim 1, it is characterised in that：The take-up reel（10）Surface is set There are several short conical papilla rubber.

6. a kind of automatic contraction charger according to claim 1, it is characterised in that：The cold light indicator light（6）It is filling It does not work when electric, gives a green light after charging complete.