CN206790171U - A kind of one hand easily pulls out charger - Google Patents

Abstract

It the utility model is related to a kind of one hand and easily pull out charger, including body, circuit board, plug and output socket；Body includes housing and the attachment being fixed on housing, formed with host cavity between attachment and the side wall of housing；The extensible member of undulate is provided with host cavity, extensible member includes the rigid member that polylith head and the tail are pivotally connected successively, is pivotally connected between adjacent two pieces of rigid members by drive-connecting shaft, reduction torsion spring is set with drive-connecting shaft；The top of rigid member in polylith rigid member positioned at the top is pivotally connected with body, and the lower par pivots in polylith rigid member positioned at the rigid member of bottom have impeller, and impeller is arranged on body by way of the movement of single-degree-of-freedom along the vertical direction；Button for extruding extensible member is installed in the side wall of body.The utility model can be chosen using one hand when in use, and easy to use, quick, safety, long lifespan, can smoothly be run when choosing, at the same effectively alleviate with help the charger for pulling out function circumferential size it is excessive the problem of.

Description

A kind of one hand easily pulls out charger

Technical field

It the utility model is related to charger, and in particular to a kind of one hand easily pulls out charger.

Background technology

Charger is inserted on socket always can not only waste electricity, can also cause charger to generate heat, and have what is exploded and burn Hidden danger, for safety and energy-conservation, charger is pulled up with regard to particularly important after charging electricity；Because mobile socket has the excellent of conveniently moving Point, people can largely use mobile socket in live and work, but mobile socket is not fixed, therefore from mobile socket The fixed hand-lifting charger of mobile socket one on the other hand is needed during upper extraction charger, it is inconvenient, especially for being only capable of utilizing For the wounded or individuals with disabilities of one-handed performance, charger can not often be extracted from mobile socket.

In order to solve the problems, such as that one hand is chosen charger inconvenience, just it is proposed that some have the charging of supplementary structure One kind is proposed in device, such as Application No. CN201210590750X Chinese patent application helping and pull out charger, it passes through tooth Wheel, rack-driving structure drive the pushing part to jack up charger, but gear, rack-driving structure have the disadvantages that：Easily by Foreign object interference operation has some setbacks, cause easily to block and can not self-return, service life it is short, while operator needs when in use To apply to button larger power can drive gear, rack-driving structure, can have that teeth stress is yielding, feel The problem of poor, but because rack and pinion drive mechanism demand precision is high, although the program can be implemented, the impression of actual use Difference, short life, can not carry out effective business promotion.

Help in another example Application No. CN2016105117078 Chinese patent application proposes a kind of plug and pull out component and band There is the easy-to-pull type plug of the component, it is arranged on helping for plug exterior by one and pulls out component to aid in plug of choosing, although It can pull out that component is excessive to be increased by setting this to help to pull out component to aid in charger of choosing in the outside of charger, but helping The circumferential size of charger, cause charger to occupy excessive space on socket, while help and pull out component and be arranged on charger Outside very unsightly, based on above-mentioned 2 points, the scope of application for the scheme that this application proposes is very narrow, is unfavorable for the work in people Make and promoted in living.

There is the architectural feature for helping the plug or charger that pull out function in the prior art according to above-mentioned two example and analysis, Have in the prior art and help the plug for pulling out function or charger has that circumferential size is excessive, smooth can not run, feel difference lacks Point, these schemes are difficult to promote, therefore do not find to have at present to help the charger for pulling out function selling.

The content of the invention

The purpose of this utility model be propose it is a kind of singlehanded easily pulls out charger, choose charger when it is convenient, fast, safely, Can smoothly it be run when choosing, and long lifespan, while can effectively alleviate the problem of circumferential size is excessive.

A kind of one hand described in the utility model easily pulls out charger, including body, the circuit installed in the body interior Plate, the output socket of the plug for being arranged on the body lower end and setting on the body, the plug and the output are inserted Mouth with the circuit board electrical connection；The body includes housing and fixed on the housing by way of being detachably connected Attachment, formed with host cavity between the attachment and the side wall of the housing；It is provided with the host cavity upper and lower The extensible member of undulate on direction, the rigid member that the extensible member is pivotally connected successively from beginning to end from top to bottom including polylith, adjacent two Be articulated between rigid member described in block by drive-connecting shaft, be set with the drive-connecting shaft for keep adjacent two pieces it is described just The reduction torsion spring of the angle of property part；The top of rigid member in rigid member described in polylith positioned at the top is pivotally connected with the body, The lower par pivots of rigid member in rigid member described in polylith positioned at bottom have impeller, and the impeller passes through along the vertical direction The mode of single-degree-of-freedom movement is installed on the body；It is provided with the side wall of the body for extruding the extensible member Button, the button are located at the outside of the extensible member, and the extensible member can be driven in the vertical direction by pressing the button Length elongation, to drive the impeller to extend downwardly from the lower surface of the body.

Further, the roller that can be rotated around the drive-connecting shaft is set with the drive-connecting shaft.

Further, the inner side of the button and the host cavity are towards being equipped with rib in the cavity wall of the button, institute It is vertically extending to state rib；The rib squeezes with the roller relative set on the extensible member, the button When pressing the extensible member, the roller on the extensible member rolls on rib corresponding with the roller.

Further, the rigid member is provided with for limiting the spacing of the minimum angle between adjacent two pieces of rigid members Boss.

Further, straight-line guidance structure is provided between the button and the body, the straight-line guidance structure includes Lead and the pilot hole being slidably matched with the lead.

Further, the first spring for outwards pushing up the button is installed between the button and the body.

Further, the second spring for pushing up the impeller upwards is installed between the impeller and the body.

Further, the attachment is the shell being enclosed on outside the housing.

Further, two host cavities are provided with the body, two host cavities are with the central shaft of the body It is oppositely arranged centered on line, the extensible member is mounted in each host cavity, is all provided with the outside of each extensible member Have the button, be respectively articulated with each extensible member an impeller or two extensible members simultaneously with one The impeller pivot joint.

Further, two extensible members are pivotally connected with an impeller simultaneously, and the impeller is described including being enclosed on The bottom of the housing and collar coordinated with the lower slide of the housing, the collar are provided with two journal stirrups upwardly extended, Two journal stirrups are pivotally connected with two extensible members respectively；The collar is extended downwardly from when the lower surface of the body, its That stretches out partially surrounds in the periphery of the plug.

The utility model can be chosen using one hand when in use, and easy to use, quick, safety, long lifespan；Choosing When can smoothly run, button uniform force, there is good feel；Effectively alleviating simultaneously has the charging for helping and pulling out function The problem of circumferential size of device is excessive.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

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

Fig. 3 is operating diagram of the present utility model；

Fig. 4 is the structural representation of extensible member；

Fig. 5 is the explosive view of extensible member；

Fig. 6 is the internal structure schematic diagram of housing；

Fig. 7 is the structural representation of button；

Fig. 8 is the structural representation of shell；

Fig. 9 is one of structural representation of impeller；

Figure 10 is explosive view of the present utility model；

Figure 11 is the structural representation of housing；

Figure 12 is the two of the structural representation of impeller；

Figure 13 is the connection diagram of the utility model and charging wire；

Figure 14 is the structural representation of Undee shrapnel.

In figure：1-housing；2-shell；3-plug；4-output socket；5-host cavity；6-extensible member；7-promote Part；8-button；9-the first spring；10-second spring；11-rigid member；12-torsion spring；13-positive stop lug boss；14-rolling Wheel；15-drive-connecting shaft；16-go up drive-connecting shaft；17-lower drive-connecting shaft；18-bottom roller；19-torsional spring slot；20-blind hole post；21— Through hole post；22-deep-slotted chip breaker；23-positive stop strip；24-circuit board；25-mounting groove；26-slide opening；27-bottom；28-muscle Bar；29-pilot hole；30-the first spring base；31-lug chute；32-bar shaped chute；33-fixture block；34-slot；35— Lead；36-second spring seat；37-lug；38-chute；39-pin via；40-upper limit position groove；41-through hole； 42-key hole；43-neck；44-cutting；45-inward flange；46-the first spring groove；47-lower spring cup；48-step Face；49-second spring groove；50-bar shaped sliding block；51-pivot joint block；52-collar；53-journal stirrup；54-outward flange；55-lid Plate；56-conductive reed；57-inner chamber；58-inner face.

Embodiment

The utility model is described in further detail below in conjunction with the accompanying drawings.

One kind as depicted in figs. 1 and 2 is singlehanded easily to pull out charger, including body, the circuit board 24 installed in body interior, The plug 3 of body lower end and the output socket 4 being arranged on body are arranged on, plug 3 and output socket 4 are electric with circuit board 24 Connection；Body includes housing 1 and the attachment that is fixed on by way of being detachably connected on housing 1, attachment and housing 1 Formed with host cavity 5 between side wall；The extensible member 6 of undulate in the vertical direction is provided with host cavity 5, such as Fig. 4 and Fig. 5 Shown, extensible member 6 includes the polylith rigid member 11 that head and the tail are pivotally connected successively from top to bottom, passes through pivot between adjacent two pieces of rigid members 11 Spindle 15 is articulated, and the reduction torsion spring 12 of the angle for keeping adjacent two pieces of rigid members 11 is set with drive-connecting shaft 15； The top of rigid member 11 in polylith rigid member 11 positioned at the top is pivotally connected with body, positioned at bottom in polylith rigid member 11 The lower par pivots of rigid member 11 have impeller 7, and impeller 7 is arranged on body by way of the movement of single-degree-of-freedom along the vertical direction On；Button 8 for extruding extensible member 6 is installed, button 8 is located at the outside of extensible member 6, pressing keys 8 in the side wall of body The length elongation of extensible member 6 in the vertical direction can be driven, to drive impeller 7 to extend downwardly from the lower surface of body.On The rigid member 11 stated can be that there is pivot to be formed between along and pivot above and below plate-like piece, frame-shaped part etc. to be rigidly connected Parts.

Using said structure, when choosing charger, operator extrudes button 8 so that extensible member 6 is opened up in the vertical direction Open, drive impeller 7 to extend downwardly from the lower surface of body, as shown in figure 3, now impeller 7 can withstand socket and make charging Device progressively disengages socket upwards, and operator can complete above-mentioned action using one hand.Extensible member 6 is by polylith rigid member 11 successively pivot Connect and form, and arrange along the vertical direction, using corrugated extensible member 6 by the wall thickness direction of side wall of the button 8 in body Stroke is converted into the stroke of the lower end of impeller 7 in the vertical direction, specifically, two neighboring rigid member 11 forms a V-arrangement Stroke of the button 8 on the wall thickness direction of the side wall of body can be converted into impeller 7 upper and lower by structure, extruding v-shaped structure Stroke on direction, while the height of charger is taken full advantage of, set in the short transverse of charger by multiple above-mentioned V-arrangements The extensible member 6 that structure is formed, the pressing stroke of button 8 certain situation at double add impeller 7 in the vertical direction Stroke so that in button 8 in the case of pressing stroke is less, impeller 7 can also obtain enough rows in the vertical direction Journey, therefore easily excessive thickness can't be increased to this one hand for common charger by pulling out charger；Undulate Extensible member 6 has when being squeezed and moves the advantages of smooth, while torsion spring of the prior art 12 can provide sufficiently large bullet Power realizes the reset of each v-shaped structure, is provided with torsion spring 12 between two neighboring rigid member 11 so that extensible member 6 can Reset freely；The ability of resistance to permanent deformation of the torsion spring 12 on its torsional direction is strong so that extensible member 6 is after a long time use It will not fluff.In operator's pressing keys 8, button 8 is uniform by the active force of extensible member 6, therefore has good feel.

As an improvement the rolling that can be rotated around drive-connecting shaft 15 is set with as shown in Figure 4 and Figure 5, on drive-connecting shaft 15 Wheel 14, when button 8 extrudes extensible member 6, extensible member 6 can extend, and the articulated section of adjacent two pieces of rigid members 11 can be with button 8 or receipts The cavity wall of cavity volume 5 rubs, and by setting roller 14, a part of sliding friction can be transformed into rolling friction, reduced Extensible member 6 extend or reseting procedure in suffered resistance, while reduce the cavity wall of button 8, extensible member 6 and host cavity 5 Abrasion.

Further, as shown in Figure 6 and Figure 7, the inner side of button 8 and host cavity 5 are towards being equipped with muscle in the cavity wall of button 8 Bar 28, rib 28 is vertically extending, and rib 28 is arranged on the rolling path of corresponding roller 14；Rib 28 with The relative set of roller 14 on extensible member 6, when button 8 extrudes extensible member 6, roller 14 on extensible member 6 with the phase of roller 14 Rolled on the rib 28 answered；Rib 28 is set to enable to when button 8 extrudes extensible member 6, extensible member 6 is only existed by roller 14 Slided on rib 28, the position of other movements on extensible member 6 will not occur with the inner side of button 8 and the cavity wall of host cavity 5 Sliding friction, further reduce extensible member 6 extend or reseting procedure in suffered resistance, further reduce button 8, stretch The abrasion of the cavity wall of contracting part 6 and host cavity 5.Obviously, a roller 14 can be set with every drive-connecting shaft 15, can also be set with Multiple rollers 14, a torsion spring 12 can be housed on every drive-connecting shaft 15, multiple torsion springs 12 can also be housed.

As an improvement as shown in Figure 4 and Figure 5, rigid member 11 be provided be used to limiting adjacent two pieces of rigid members 11 it Between minimum angle positive stop lug boss 13, this minimum angle is the initial angle between adjacent two pieces of rigid members 11, spacing The presence of boss 13 also causes the initial angle for the v-shaped structure that each two neighboring rigid member 11 forms to keep one to as can Can, the uniformity of initial angle also ensure that button 8 smooth can move.Positive stop lug boss 13 can be provided in adjacent two pieces just On one piece of rigid member 11 in property part 11, when the angle of adjacent two pieces of rigid members 11 is in preset value, on one piece of rigid member 11 Positive stop lug boss 13 contradicted with other one piece of rigid member 11 so that the angle between two pieces of rigid members 11 can not continue to diminish；It is aobvious A positive stop lug boss 13 can also be so respectively provided with two pieces of rigid members 11, when two positive stop lug boss 13 contradict, two pieces of rigid members Angle between 11 is in preset value.

In a specific example, as shown in Figure 4 and Figure 5, extensible member 6 is made up of 4 pieces of rigid members 11, adjacent two pieces of rigidity The pivot joint edge of part 11 is equipped with hole post, and the both ends on a pivot edge are provided with blind hole post 20, in another pivot edge Portion is provided with through hole post 21, and drive-connecting shaft 15 coordinates with blind hole post 20 and drive-connecting shaft 15 passes through through hole post 21, has realized adjacent two pieces just Pivot joint between property part 11, the installing space of torsion spring 12 and roller 14 is left between these hole posts, and above-mentioned positive stop lug boss 13 is set Put and upper through hole post 21 is provided with pivot joint edge, the upper edge of the rigid member 11 of the top, under the rigid member 11 of bottom Edge is provided with lower through-hole post 21, and extensible member 6 is articulated on body by the upper drive-connecting shaft 16 coordinated with upper through hole post 21, leads to lower Impeller 7 is articulated on extensible member 6 by the lower drive-connecting shaft 17 that hole post 21 coordinates, and is assembled for convenience, in the side wall of blind hole post 20 Lateral opening can be provided with, drive-connecting shaft 15 can be directly pressed into blind hole post 20 by the lateral opening.

As a preferred embodiment, as shown in Figure 4 and Figure 5, the torsion corresponding with the leg of torsion spring 12 is equipped with rigid member 11 Spring groove 19, the size of torsional spring slot 19 are more than the size of the leg of torsion spring 12, and the leg of torsion spring 12 is located in corresponding torsional spring slot 19, Torsional spring slot 19 carries out spacing to the leg of torsion spring 12.

As a preferred embodiment, as shown in Figure 4 and Figure 5, arc is provided with the outer wall of the through hole post 21 of one piece of block rigid member 11 Shape groove 22, the positive stop strip 23 to be cooperated with the deep-slotted chip breaker 22, limit are provided with the edge of another piece of rigid member 11 adjacent thereto Position bar 23 is slidably matched with deep-slotted chip breaker 22, to prevent two pieces of adjacent rigid members 11 from phase occurs on the axis direction of drive-connecting shaft 15 To motion, it is squeezed so as to avoid torsion spring 12 and roller 14.As a preferred embodiment, it can also be set with lower drive-connecting shaft 17 One bottom roller 18, bottom roller 18 can rotate around drive-connecting shaft 15, and can be set on the rolling path of bottom roller 18 and its Corresponding rib 28.

As an improvement being provided with straight-line guidance structure between button 8 and body, straight-line guidance structure includes lead 35 and the pilot hole 29 that is slidably matched with lead 35.As shown in Figure 6 and Figure 7, in a specific example, 4 leads 35 are arranged on the madial wall of button 8, formed with pilot hole 29 one-to-one with lead 35 on body.Straight-line guidance is set Structure ensure that button 8 can be moved linearly, ensure that the phenomenon that button 8 will not overturn or block, is advantageous to Uniform extruding is realized to extensible member 6.As a preferred embodiment, the outer wall of lead 35 is provided with the groove extended along its length, To reduce the contact area of lead 35 and pilot hole 29, frictional force is reduced.

As an improvement as shown in figure 1, be provided between button 8 and body outwards top button 8 the first spring 9, During reset, the first spring 9 is that button 8 provides the power-assisted being displaced outwardly.

As an improvement as shown in Figure 1, Figure 2 and Figure 3, upward pushing tow moving part 7 is installed between impeller 7 and body Second spring 10, when resetting, second spring 10 is that impeller 7 provides the power-assisted that moves up.

As a preferred embodiment, being provided with two host cavities 5 in body, two host cavities 5 are centered on the central axis of body It is oppositely arranged, extensible member 6 is mounted in each host cavity 5, the outside of each extensible member 6 is equipped with button 8, each extensible member An impeller 7 or two extensible members 6 are respectively articulated with 6 while are pivotally connected with an impeller 7.Using said structure, operation Person realizes choosing for charger by pressing two buttons 8, very laborsaving, meets ergonomics.

In a specific example, as seen in figs. 2-10, two extensible members 6 are pivotally connected with an impeller 7 simultaneously, are promoted Part 7 includes being enclosed on the bottom of housing 1 and prolonged upwards provided with two with the collar 52 of the lower slide cooperation of housing 1, the collar 52 The journal stirrup 53 stretched, two journal stirrups 53 are pivotally connected with two extensible members 6 respectively；The collar 52 is extended downwardly from when the lower surface of body, its That stretches out partially surrounds in the periphery of plug 3.Using said structure, the collar 52 can block slotting during charger is extracted First 3, the plug 3 for avoiding operator's false touch from being powered, while the impeller 7 is promoted by pressing two buttons 8, it can avoid pulling out The phenomenon of charger run-off the straight during going out.For uniform force, two or more can be set between the impeller 7 and body Individual second spring 10, second spring 10 are uniformly distributed in the circumferential.

As a preferred embodiment, as shown in Fig. 1 and Figure 10, attachment is the shell 2 being enclosed on outside housing 1.Shell 2 is enclosed on housing 1 outside forms double protection structures, and use is safer.

As a specific example, as shown in Fig. 1-Figure 10, circuit board 24 is fixedly mounted in the inner chamber 57 of housing 1, is inserted First 3 are made up of pin, and the upper end of housing 1 is connected with the cover plate 55 of the covering upper end open of inner chamber 57, and cover plate 55 is provided with to be inserted with exporting Hole corresponding to mouth 4, the lower surface of housing 1 are provided with the pin via 39 coordinated with pin, and the upper end of shell 2 is hidden by cover plate 55 Lid, and the edge at the edge of cover plate 55 and the upper end of shell 2 matches, the lower end of shell 2 is concordant with the lower surface of housing 1, shell Body 1 and shell 2 are fixed together by way of clamping, and the outer wall of housing 1 is provided with fixture block 33 and prolonged along the vertical direction The slot 34 stretched, the inwall of shell 2 are provided with neck 43 corresponding with fixture block 33 and cutting 44 corresponding with slot 34, fixture block 33 and neck 43 engage, to avoid shell 2 and housing 1 that relative motion occurs in the vertical direction, slot 34 and cutting 44 coordinate Avoid shell 2 and housing 1 that relative motion occurs in the circumferential.One step surface upward can also be set on the inwall of shell 2 48, step surface 48 is used to be engaged with the stage portion between the middle part of housing 1 with the bottom 27 of housing 1, spacing so as to be formed Structure.

As shown in Fig. 6 and Figure 11, the mounting groove 25 for installing extensible member 6, mounting groove 25 are provided with the outer wall of housing 1 Top be provided with the through hole 41 coordinated with upper drive-connecting shaft 16, the lower wall of mounting groove 25 is provided with the slide opening 26 coordinated with impeller 7, Shell 2 covers mounting groove 25 to form host cavity 5, and shell 2 is provided with the key hole 42 being connected with mounting groove 25, and button 8 is pacified At key hole 42, the first spring base 30 and pilot hole 29 are provided with the bottom wall of mounting groove 25.Pilot hole 29 can lead to Cross and be arranged on the tubular construction on the bottom wall of mounting groove 25 to realize, as shown in fig. 7, being provided with second spring in the inner side of button 8 Seat 36, one end of the first spring 9 are arranged on the first spring base 30, and the other end is arranged on second spring seat 36, the first spring Seat 30 and second spring seat 36 are used to forming the both ends of the first spring 9 support and spacing.

As shown in Figure 6 and Figure 7, the edge of the inner side of button 8 is provided with several lugs 37, the side wall of mounting groove 25 provided with The lug chute 31 that lug 37 coordinates one by one, lug 37 coordinates with lug chute 31 can play a part of guiding, while lug 37 can also prevent button 8 from outwards deviating from key hole 42.The inner face 58 of button 8 is bonded decision with the wall surface of mounting groove 25 The range of impeller 7.Further, the settable skid resistance strip on the outer surface of button 8 and the outer surface of shell 2.

As shown in figure 11, one upper limit position groove 40 can be set in the upper wall of mounting groove 25, coordinates with upper drive-connecting shaft 16 Through hole 41 is arranged at upper limit position groove 40, and upper end progress of the upper limit position groove 40 to extensible member 6 is spacing, prevents extensible member 6 upper The axle of drive-connecting shaft 16 moves up.

As shown in Fig. 2, Fig. 8 and Fig. 9, second spring 10 is assemblied between shell 2 and impeller 7, and the inwall of shell 2 is provided with The first vertically extending spring groove 46, the outer wall of impeller 7 are provided with vertically extending second spring groove 49, First spring groove 46 and second spring groove 49 form a space for being used to accommodate second spring 10, and in the first spring groove 46 Bottom be provided with lower spring cup 47, be provided with upper spring seat at the top of second spring groove 49, the upper end of second spring 10 and upper bullet Spring abutment coordinates, and lower end and the lower spring cup 47 of second spring 10 coordinate, and upper spring seat and lower spring cup 47 are used for second spring Play a part of supporting or position in 10 end.

As shown in fig. 6, between pin and circuit board 24 can by conductive reed 56 realize electrically connect, conductive reed 56 it is upper Portion electrically connects with circuit board 24, and the bottom of conductive reed 56 is provided with blocked hole, and the upper end of pin is provided with the card coordinated with blocked hole Minor structure and the ledge structure coordinated with the lower surface of housing 1, are engaged by clamp structures with blocked hole, thus by pin, Conductive reed 56 and housing 1 are fixed together.

As a kind of implementation, as seen in figs. 2-10, two extensible members 6 are pivotally connected with an impeller 7 simultaneously, are promoted Part 7 includes the collar 52 for being enclosed on the bottom 27 of housing 1 and being slidably matched with the bottom 27 of housing 1, and the collar 52 is provided with two The individual journal stirrup 53 upwardly extended, is provided with pivot joint block 51 on journal stirrup 53, pivot joint block 51 be provided with coordinate with lower drive-connecting shaft 17 it is blind Hole or through hole, install for convenience, can be in blind hole or the sidewall opening of through hole so that lower drive-connecting shaft 17 can pass through the opening It is pressed into blind hole or through hole, journal stirrup 53 is stretched into host cavity 5 by slide opening 26.In order to avoid the collar 52 occurs to turn in circumference It is dynamic, can be provided with vertically extending bar shaped chute 32 on the bottom 27 of housing 1, the inwall of the collar 52 provided with The bar shaped sliding block 50 that bar shaped chute 32 is engaged, both, which match somebody with somebody, closes guiding and position-limiting action.At the same time, when two extensible members 6 When asynchronous to the active force of impeller 7, the cooperation of bar shaped sliding block 50 and bar shaped chute 32, which also acts as, prevents impeller 7 from producing side The effect having some setbacks is tilted and moved, two synchronous interactions of button 8 extruding extensible members 6 is also ensure that indirectly, is pushed away under synchronous interaction Impeller 7.Further, the bottom of shell 2 is looped around the outside of the collar 52, and inward flange 45, the collar are provided with the lower edge of shell 2 52 are provided with outward flange 54, and outward flange 54 can lift the intensity of impeller 7, and inward flange 45 is used for secondary retention outward flange 54, Body is undesirably fallen off to prevent the pivot joint failure of impeller 7 and extensible member 6.In order to attractive in appearance, the lower end of shell 2 and the lower end of housing 1 it Between gap and the structure of the collar 52 match.When the collar 52 is taken in body, the gap is filled up in the lower end of the collar 52, and outside The lower surface of shell 2, the lower surface of housing 1 are concordant with the lower surface of the collar 52.

Alternatively implementation, as is illustrated by figs. 11 and 12, an impeller is respectively articulated with each extensible member 6 7, as shown in figure 12, impeller 7 is plate-like, and its top is provided with pivot joint block 51, and pivot joint block 51 is provided with to be coordinated with lower drive-connecting shaft 17 Blind hole or through hole, the top of impeller 7 stretched into by slide opening 26 in host cavity 5, so as to realize the pivot joint with extensible member 6.Such as Shown in Figure 11, in order to avoid situation about swinging occurs in impeller 7, it can be provided with vertically on the bottom 27 of housing 1 The bar shaped chute 32 of direction extension, the madial wall of impeller 7 are provided with the bar shaped sliding block 50 being engaged with bar shaped chute 32, both With close guiding and position-limiting action.The bottom 27 of the housing 1 corresponding with the impeller 7 is provided with chute 38, and extensible member 6 is with sliding Groove 38 is slidably matched, and chute 38 plays avoidance to extensible member 6 and auxiliary positioning, bar shaped chute 32 are arranged on the bottom wall of chute 38 On.

Using said structure, there is the advantages of easy for installation, during installation, by extensible member 6, impeller 7, the first spring 9, the After two springs 10 are assemblied on housing 1, shell 2 is enclosed on outside housing 1 from the bottom up, only needs to press in the process Button 8 is to avoid shell 2.

As shown in figure 13, the output socket 4 in the utility model can be USB, and the insertion output of USB charging wires is inserted Mouthfuls 4 realize the connection between charger and charging equipment.

As shown in figure 14, at the trial, utility model people once replaces above-mentioned extensible member 6 using Undee shrapnel, though It can also so work, but due to the architectural feature of the limitation of material and technique, and Undee shrapnel, by trying for a long time After testing, irreversible deformation gradually occurs for Wave shape spring sector-meeting, causes reset effect poor, while Undee shrapnel is thick in housing 1 Spend direction on elastic deformation stroke it is limited, if excessively pressing Undee shrapnel can be caused to be plastically deformed, therefore by In the case that the stroke of key 8 is certain, because Undee shrapnel will reserve the space for preventing being plastically deformed, so Undee shrapnel is in shell The shared space space more shared on the thickness direction of housing 1 than the extensible member 6 in the utility model will on the thickness direction of body 1 Greatly.And using in the utility model extensible member 6 carry out long-time experiment after, still can stablize reset, this is embodied The advantages of the utility model.

Claims (10)

1. a kind of one hand easily pulls out charger, including body, the circuit board installed in the body interior（24）, be arranged on described The plug of body lower end（3）With the output socket of setting on the body（4）, the plug（3）With the output socket（4） With the circuit board（24）Electrical connection；It is characterized in that：The body includes housing（1）Consolidate with by way of being detachably connected It is scheduled on the housing（1）On attachment, the attachment and the housing（1）Side wall between formed with host cavity（5）；Institute State host cavity（5）Inside it is provided with the extensible member of undulate in the vertical direction（6）, the extensible member（6）Including polylith from upper And the rigid member that lower head and the tail are pivotally connected successively（11）, adjacent two pieces of rigid members（11）Between pass through drive-connecting shaft（15）It is articulated in one Rise, the drive-connecting shaft（15）On be set with for keeping adjacent two pieces of rigid members（11）Angle reduction torsion spring（12）； Rigid member described in polylith（11）In be located at the top rigid member（11）Top and the body be pivotally connected, rigid member described in polylith （11）In be located at bottom rigid member（11）Lower par pivots have impeller（7）, the impeller（7）By along the vertical direction The mode of single-degree-of-freedom movement is installed on the body；It is provided with the side wall of the body for extruding the extensible member （6）Button（8）, the button（8）Positioned at the extensible member（6）Outside, press the button（8）Described stretch can be driven Contracting part（6）Length elongation in the vertical direction, to drive the impeller（7）Extend downwardly from the lower surface of the body.

2. one hand according to claim 1 easily pulls out charger, it is characterised in that：The drive-connecting shaft（15）On be set with energy Enough around the drive-connecting shaft（15）The roller of rotation（14）.

3. one hand according to claim 2 easily pulls out charger, it is characterised in that：The button（8）Inner side and described Host cavity（5）Towards the button（8）Cavity wall on be equipped with rib（28）, the rib（28）It is vertically extending； The rib（28）With the extensible member（6）On the roller（14）Relative set, the button（8）Extrude described flexible Part（6）When, the extensible member（6）On the roller（14）With the roller（14）Corresponding rib（28）Upper rolling.

4. one hand according to claim 1 easily pulls out charger, it is characterised in that：The rigid member（11）It is provided with and is used to limit Fixed adjacent two pieces of rigid members（11）Between minimum angle positive stop lug boss（13）.

5. one hand according to claim 1 easily pulls out charger, it is characterised in that：The button（8）Between the body Straight-line guidance structure is provided with, the straight-line guidance structure includes lead（35）And with the lead（35）It is slidably matched Pilot hole（29）.

6. one hand according to claim 1 easily pulls out charger, it is characterised in that：The button（8）Between the body It is provided with and outwards pushes up the button（8）The first spring（9）.

7. one hand according to claim 1 easily pulls out charger, it is characterised in that：The impeller（7）With the body it Between be provided with and push up the impeller upwards（7）Second spring（10）.

8. one hand according to claim 1 easily pulls out charger, it is characterised in that：The attachment is to be enclosed on the housing （1）Outer shell（2）.

9. the one hand according to claim any one of 1-8 easily pulls out charger, it is characterised in that：Two are provided with the body The host cavity（5）, two host cavities（5）It is oppositely arranged centered on the central axis of the body, each receipts Cavity volume（5）Inside it is mounted on the extensible member（6）, each extensible member（6）Outside be equipped with the button（8）, each The extensible member（6）On be respectively articulated with an impeller（7）Or two extensible members（6）Simultaneously with being pushed away described in one Moving part（7）Pivot joint.

10. one hand according to claim 9 easily pulls out charger, it is characterised in that：Two extensible members（6）Simultaneously with one The individual impeller（7）Pivot joint, the impeller（7）Including being enclosed on the housing（1）Bottom and with the housing（1）Under The collar that portion is slidably matched（52）, the collar（52）It is provided with two journal stirrups upwardly extended（53）, two journal stirrups （53）Respectively with two extensible members（6）Pivot joint；The collar（52）Extend downwardly from when the lower surface of the body, it is stretched What is gone out partially surrounds in the plug（3）Periphery.