CN203896022U

CN203896022U - Mobile power supply with telescopic coiled wire

Info

Publication number: CN203896022U
Application number: CN201420317856.7U
Authority: CN
Inventors: 王傲立
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-06-10
Filing date: 2014-06-10
Publication date: 2014-10-22
Anticipated expiration: 2024-06-10

Abstract

The utility model discloses a mobile power supply with a telescopic coiled wire. An inner case being a cylinder is arranged in an outer case; edges are arranged at the upper portion and the lower portion of the inner case and a ratchet is arranged at one edge; and an electric core and a circuit board are arranged in the inner case. A power line is wound at the outer side of the inner case; one end of the power line extends into the inner case and is connected with the circuit board; and one end extends out of the wire output of the outer case. A rotating shaft is arranged at the upper portion and the lower portion of the inner case; and the inner case is connected with the outer case by the rotating shaft by a rotating way. A spring is arranged at the rotating shaft; one end of the spring is fixed with the rotating shaft; and the other end is fixed with the inner wall of the outer case. A small shaft is arranged in the outer case; a pawl can rotate around the small shaft; and one end of the pawl is contacted with the bottom of a button at the outer case and the other end is contacted with the edge with the ratchet at the inner case. When the mobile power supply is in use, the power line is drawn out by the hand; the inner case rotates and the spring is tightened; and after the grip is loosened, the inner case does not rotate backwardly due to the effect of the pawl. The plug of the power line can be used for charging an electric appliance. When the button is pressed and the pawl is lifted, the inner case rotates backwardly and the power line is drawn back. Therefore, the power line can be received into the outer case conveniently; and the mobile power supply can be carried and used conveniently.

Description

The portable power source of the flexible spiral of band

Technical field

The utility model relates to a kind of portable power source with flexible spiral, belongs to battery technology field.

Background technology

Present various digital product enters people's life in a large number, especially mobile phone, but smart mobile phone need to charge everyday, once electric weight exhausts, people just cannot continue to use, and can delay some important things.Portable power source also arises at the historic moment; there are battery core and circuit board in existing portable power source inside; generally with a charging inlet and an electric discharge interface; also charging inlet and electric discharge interface are merged into one by the portable power source having; internal circuit adopts smart circuit design, and overvoltage protection, overcurrent protection, over-charge protective, Cross prevention, short-circuit protection, overpower protection, temperature protection are provided.But existing portable power source often separates with power line, with time need to find power line, then one is inserted on portable power source, one is inserted on mobile phone, and power line is different in size, while in general charging with portable power source, substantially need to wait until that charging finishes just to use always.

Utility model content

The object of the utility model patent is to provide a kind of portable power source with flexible spiral, and power line is built in portable power source, when use, release, without time automatic retraction, increased ease of use.

The utility model is achieved through the following technical solutions: in shell, be provided with an inner casing, inner casing is cylinder, has up and down edge, on one of them edge, with ratchet, has battery core and circuit board in inner casing.Power line is around inner casing outside, and one end enters inner casing and be connected with circuit board the second month in a season, and the line outlet of one end from shell stretches out.Inner casing has rotating shaft up and down, and inner casing is rotationally connected by rotating shaft and shell.In rotating shaft, have clockwork spring, one end and the rotating shaft of clockwork spring are fixed, and one end and outer casing inner wall are fixed.A little axle is set in shell, has individual ratchet to rotate around little axle, ratchet one end contacts with the button bottom on shell, and one end contacts with the edge with ratchet on inner casing.When use, extract power line out with hand, inner casing rotates, and clockwork spring tightens, and after loosing one's grip, due to the effect of ratchet, inner casing is nonreversible, can be electrical appliance charging with the plug on power line; Press the button, lift ratchet, inner casing just reverses, and power line is regained.Can allow like this power line receive easily in the enclosure, easy to carry and use.

Brief description of the drawings

The beneficial effect that adopts the present invention to bring is, because power line can stretch, to allow portable power source use convenient.

Be described further below in conjunction with accompanying drawing:

Fig. 1 is stereogram of the present utility model;

Fig. 2 is vertical view of the present utility model;

Fig. 3 is A-A cutaway view of the present utility model;

Fig. 4 is B-B cutaway view of the present utility model;

Fig. 5 is C-C cutaway view of the present utility model;

Fig. 6 is inner casing of the present utility model and power line stereogram

The label that in figure, each component names is corresponding is as follows:

Shell 1; Button 2; Line outlet 3; Power line 4; Plug 5; Inner casing 6; Rotating shaft 7; Clockwork spring 8; Edge 9; Battery core and circuit board 10; Ratchet 11; Little axle 12

Embodiment

In Fig. 1 and Fig. 2, shell 1 is the housing of a sealing, in employing lower casing fasten form, as shown in the figure, shape can be circle or rectangle, in figure taking circular shell as example.On shell 1, be provided with button 2 and line outlet 3.Power line 4 stretches out from line outlet 3, and button 2 is for regaining power line 4, and there is plug 5 the external part end of power line 4.Plug 5 can be implemented charging as mobile phone etc. to electrical appliance, also can be connected with charger portable power source itself is charged.

In Fig. 3, at the inner inner casing 6 in addition of shell 1, inner casing 6 is cylinders, power line 4 is wrapped on inner casing 6 in shell 1 inside, because inner casing 6 extends an edge 9 up and down separately, edge 9 is flange that diameter is greater than the cylinder diameter of inner casing 6, can allow the coiling of power line 4 be limited to inner casing 6 cylindrical outer surfaces, power line 4 one end are stretched in inner casing 6 and are connected with the circuit board 10 of the inside, and the other end stretches out the line outlet 3 of shell 1.Battery core and circuit board 10 are the core parts in existing portable power source, and battery core is generally lithium battery, can store electrical energy, and circuit board is for overvoltage that battery core is discharged and recharged, overcurrent, charge and discharge protecting etc., because be prior art, so do not repeat.The utility model is to add line stretcher mechanism on existing portable power source basis.In Fig. 3, can also see, inner casing 6 be fixed with up and down a coaxial rotating shaft 7, inner casing 6 can be by rotating shaft 7 in the interior rotation of shell 1.

In Fig. 4, also connected a clockwork spring 8 in rotating shaft 7, one end of clockwork spring 8 and rotating shaft 7 are fixing, and one end and shell 1 inwall are fixed.Clockwork spring 8 can be implemented active force by countershaft 7 like this, can give the function of its resilience.

In Fig. 5, one of them 9 edge, edge of the inner casing 6 in inner casing 6 are provided with ratchet, and play the effect of ratchet, are provided with a ratchet 11 in shell 1, in the middle of ratchet 11, have little axle 12, and ratchet 11 and shell 1 are rotationally connected by little axle 12.Little axle 12 is to have the rotating shaft that turns spring, and ratchet 11 can rotate around little axle 12, and the spring that turns of little axle 12 has the trend (in figure, ratchet 11 right side small arrows are depicted as the rotation direction of ratchet 11 under little axle 12 effects) that allows ratchet 11 press down edge 9.In figure, can see, one end of ratchet 11 contacts with button 2 bottoms, and one end contacts with the edge that has ratchet 9 of inner casing 6, presses the button 2 and can lift ratchet 11.In the time that power line 4 is drawn out shell 1, inner casing 6 rotates thereupon.When inner casing 6 rotates counterclockwise as shown in the figure, ratchet 11 is inoperative to the ratchet on edge 9, thereby power line 4 is not interrupted when extracting out.In rotating shaft 7 due to inner casing 6, be connected with clockwork spring 8, therefore extract power line 4 out and tightened clockwork spring 8 simultaneously, the resilience force that clockwork spring 8 produces has the trend that power line 4 is retracted, when unclamping after hand, on ratchet 11 and edge 9, the one-directional rotation effect of ratchet has determined that inner casing 6 can not reverse, therefore power line 4 can contract, only have when pressing the button 2, ratchet 11 departs from the ratchet on edge 9 under the effect of the little axle 12 in centre, the resilience force of clockwork spring 8 just can be by power line 4 retraction shells 1, button 2 has spring below, release button 2, and spring springs back to original position by button 2.

Fig. 6 can see that power line 4 is wrapped in outside inner casing 6 more intuitively, and upper and lower edge 9 allows power line 4 be limited in the cylinder exterior surface area of inner casing 6.Inner casing 6 is stretched in power line 4 one end, and one end is plug 5.On edge 9, there is circumference to be equidistantly provided with ratchet.

Claims

1. a portable power source for the flexible spiral of band, is made up of shell, inner casing, battery core, circuit board, clockwork spring, button, ratchet, power line, it is characterized in that: in shell, be provided with a cylindrical inner casing, the battery core of portable power source and circuit board are in inner casing; Power line is outside inner casing, and one end enters inner casing and is connected with circuit board, and the line outlet on shell is stretched out in one end; Inner casing has rotating shaft up and down, and shell and inner casing are rotationally connected by rotating shaft; In rotating shaft, be provided with clockwork spring, clockwork spring one end and rotating shaft are fixed, and the other end and outer casing inner wall are fixed; Inner casing has edge up and down, and edge is the flange that diameter is greater than inner casing cylinder diameter, on one of them edge, has ratchet; In shell, be provided with ratchet, ratchet is rotationally connected by little axle and the shell of ratchet middle part.

2. the portable power source of the flexible spiral of band according to claim 1, is characterized in that: the little axle of the centre of ratchet is with turning spring, and one end of ratchet contacts with the bottom of the button on shell, and the other end has the edge of ratchet to contact with inner casing.