CN2874791Y

CN2874791Y - Travelling charger

Info

Publication number: CN2874791Y
Application number: CNU2006200546187U
Authority: CN
Inventors: 陈生地
Original assignee: Wusha Shengmou Electronic Factory Chang'an Town Dongguan City
Current assignee: Wusha Shengmou Electronic Factory Chang'an Town Dongguan City
Priority date: 2006-01-25
Filing date: 2006-01-25
Publication date: 2007-02-28
Anticipated expiration: 2016-01-25

Abstract

A tourist charger comprises a casing (1), two metal plug sheets (2) and a circuit board (3). The two metal plug sheets (2) can be rotatably arranged onto the casing (1) with a rotary component. The rotary component comprises: a shaft body (51) arranged on the two metal plug sheets (2) is positioned on gears (52) on both sides of the shaft body (51). It also comprises a ''U'' shape elastic clamp (53) matched with the gear (52). The gears (52) on both sides can be rotatably arranged into the casing (1). The elastic clamp (53) is limited inside a limit groove (121) on a lower cover (12). One convex edge (531) is vertically arranged on each side of the clamp. The convex edge (531) can be clamped right inside concave positions of the gears (52). Holding slots (122) for the shaft body (51) and two metal plug sheets (2) are arranged outside the casing (1). The utility model of tourist charger has perfect plug position, small storage volume, simple structure and low cost.

Description

Traveling charger

Technical field

The utility model relates to a kind of power supply adaptor, relates in particular to the traveling charger that a kind of mobile phone is used, and the utility model also can be applicable to the charging device as other multiple electrical equipment.

Background technology

What electrical equipment such as general mini tape recorder or automobile built-in telephony, radio telephone, charger for mobile phone used all is low-voltage, so often need to use adapter.Carry for convenience, the traveling charger that the folding plug of tool is also arranged in the prior art, as application number be 200410074317.6, name is called the Chinese utility model patent of " adaptor plug structure ", its structure as shown in Figure 1, the plug 7 that is connected with external power source is set on shell 6 one sides of fuselage, this plug 7 is the hinged and structure of chaining bar by the fixed terminal 71 that is positioned at shell 6 surperficial Embedded Divisions 61 and rotary terminal 72, can rotary terminal 72 be started to vertical enclosure 6 surfaces as required and use, or rotary terminal 72 down is folded to collecting state.Though said structure is simple, also can plug 7 is partially folded, but the rotary terminal 72 of its plug 7 and the Embedded Division 61 that holds fixed terminal 71 still protrude from the outer surface of shell 6, the collection volume of adapter can not be reduced to minimum, and it is not enough that rotary terminal 72 is positioned the detent force of user mode, is easy to inaccurate and toward interior folding because of the direction of exerting oneself during plug-in.

In addition, though the traveling charger of the folding plug of more existing tools can fully be taken in plug, but its structure is comparatively complicated, and in order to adapt to the turnable structure of plug, electric connection structure complexity between plug and internal circuit board, part is more, and this both had been unfavorable for reducing the thickness of charger, also is unfavorable for the reduction of product cost.

Summary of the invention

The technical problems to be solved in the utility model is to provide a kind of have enough detent force, the simple in structure and enough little traveling charger of collection volume.

The technical scheme in the invention for solving the above technical problem is, manufacture and design a kind of traveling charger, comprising: engage the housing that forms, be used for and two metal inserts that external power receptacle is pegged graft and the circuit board that is electrically connected with two metal inserts by loam cake and lower cover; Described two metal inserts are installed in rotation on the housing by a rotary components; Wherein, this rotary components comprises: with the fixedly connected rotating shaft main body of two metal inserts, " ㄩ " type Elastic buckle that is fixed on the gear of the rotating shaft main body left and right sides and cooperates with this gear; Described two side gears are installed in rotation in the housing, and described " ㄩ " type Elastic buckle is limited in the limited impression of lower cover, and the inboard of its two vertical edges respectively convexes with a fin, and this fin just in time can snap in the recess of gear; The outer surface of described lower cover is provided with an accepting groove that can hold described rotating shaft main body and two metal inserts.Upwards pull metal insert, the gear that described rotating shaft main body drives side rotates, lug boss on the gear struts Elastic buckle and be rotated further, when two metal inserts go to the user mode on vertical shell surface, fin on the Elastic buckle just in time snaps in the recess of gear, and metallic plug is positioned; Equally, during with the inside folding of metallic plug, the lug boss on the gear struts Elastic buckle and be rotated further, and goes to the favorite places that is positioned at accepting groove on the housing until metallic plug, at this moment, the fin on the Elastic buckle also just in time snaps in the recess of gear metallic plug is located.

Each fixedly connected conductive shaft of the middle part of described two side gears, the inner of this two conductive shaft is electrically connected on the inside of rotating shaft main body respectively with two metal inserts, and the outer end of two conductive shafts is electrically connected with circuit board.

Be provided with two contact flat springs with two conductive shaft corresponding positions on the described circuit board, this two contact flat spring relies on its elastic force closely to contact with the conductive shaft of both sides respectively, has guaranteed reliable electrical connection the between conductive shaft and the circuit board.

The sidewall of the accepting groove on the described exterior surface down is provided with arc notch, and convenient finger enters metal insert is started.

The inner surface of described lower cover is installed with two carriages, this two carriage is provided with the arc recess that can support left and right sides gear, described rotating shaft main body is folded between two lateral brackets, the inner surface of described loam cake is installed with the support of two band arc recess, the position of two stands is corresponding with the position of two carriages respectively, left and right sides gear encloses between the arc recess of carriage and support, forms two side gears and is installed in rotation on the interior structure of housing.

Described " ㄩ " type Elastic buckle has only one, is positioned at the left side or the right side of rotating shaft main body.

Described rotating shaft main body is a square cylinder, along being provided with successively on the clockwise direction of the inside folding of metal insert: first plane, second plane, the 3rd plane and Siping City's face that convex with two metal inserts, join with cambered surface between described second plane and the 3rd plane and between the 3rd plane and Siping City's face, more smooth and easy when the rotating shaft main body is rotated; Be positioned at metal insert under the folded state of following exterior surface accepting groove, described Siping City face is concordant with following exterior surface, goes under the user mode that vertically is convexly set in following exterior surface at metal insert, and described first plane is concordant with following exterior surface.

Described first plane and face intersection, Siping City are provided with the flange that the rotating shaft main body that can stop under the user mode continues to rotate counterclockwise.

Compare with prior art, the utility model traveling charger has following advantage: cooperate with fin on the buckle by gear, have enough detent force when making metal insert turn to required state; And simple in structure, be electrically connected reliably, plug fully can be accommodated in down in the accepting groove of cap surface, make the thickness of charger can do thinlyyer thus, the collection volume is enough little, and reduces the quantity of parts, can promote packaging efficiency and reduce material cost.

Description of drawings

Fig. 1 is the structural representation of traveling charger in the prior art;

Stereogram when Fig. 2 is in collecting state for the utility model traveling charger;

Stereogram when Fig. 3 is in user mode for the utility model traveling charger;

Fig. 4 is the structural representation of described buckle 53;

Fig. 5 is the longitudinal sectional drawing of described loam cake 11;

The internal structure schematic diagram of the described loam cake 11 of Fig. 6;

Fig. 7 is the longitudinal sectional drawing of described lower cover 12;

Fig. 8 is the internal structure schematic diagram of described lower cover 12;

Fig. 9 is the STRUCTURE DECOMPOSITION figure of the utility model traveling charger.

Embodiment

Be described in further detail below in conjunction with the most preferred embodiment shown in the accompanying drawing.

As shown in Figure 9, traveling charger described in the utility model comprises: engaged the housing 1 that forms, be fixed on the circuit board 3 in the housing 1 and two metallic plugs 2 that are electrically connected with this circuit board 3 by loam cake 11 and lower cover 12.Described metallic plug 2 is installed in rotation on the housing 1 by a rotary components, and this rotary components comprises: with the fixedly connected rotating shaft main body 51 of two metal inserts 2, be fixed on the gear 52 of rotating shaft main body 51 left and right sides and " ㄩ " type Elastic buckle 53 that cooperates with this gear 52.

As shown in Figure 7 and Figure 8, the first half of described lower cover 12 outer surfaces is provided with one toward interior recessed and can hold the accepting groove 122 of rotating shaft main body 51 and two metal inserts 2, have an arc notch 123 (as Fig. 2) on one sidewall of this accepting groove 122, be convenient to point to enter metal insert 2 is upwards pulled.Lower cover 12 inner surfaces be positioned at described accepting groove 122 about two sides be carriage 124, have an arc recess 1241 on this carriage 124.Described rotating shaft main body 51 just in time is folded between two lateral brackets 124, and the gear 52 of its both sides just in time can be set up in the described arc recess 1241, is provided with two limited impressions 121 that only can hold Elastic buckle 53 near the outside of two carriages 124.As shown in Figure 5 and Figure 6, two supports 111 about carriage 124 corresponding positions in the inner surface of described loam cake 11 and the lower cover 12 are provided with, it is just in time relative with arc recess 1241 on the carriage 124 to offer arc recess 1111 on this two stands 111, gear 52 folders with rotating shaft main body 51 both sides are trapped among between two recess thus, form the structure that two side gears 52 and rotating shaft main body 51 can be rotated relative to housing 1.

As shown in Figure 4, two vertical edges 532 slope inwardly slightly about described " ㄩ " type Elastic buckle 53, and the middle part on its base 533 is than two head heights and thin.This Elastic buckle 53 has appropriate elasticity, and its two vertical edges 532 is opened with certain angle and resetting outwards, and the inboard of two vertical edges 532 respectively is provided with a fin 531, and this fin 531 just in time can snap in the recess of gear 52.In the utility model, this Elastic buckle 53 has only one, be positioned at the left side or the right side limited impression 121 of lower cover 12, the length on its base 533 is slightly less than the length of limited impression 121, and Elastic buckle 53 can not followed rotation when guaranteeing gear 52 rotations in limited impression 121.

As shown in Figure 9, each fixedly connected conductive shaft 54 of the middle part of described two side gears 52, the inner of this two conductive shaft 54 is electrically connected on the inside of rotating shaft main body 51 respectively with two metal inserts 2, the outer end of two conductive shafts 54 protrudes from outside the gear 52, be provided with two contact flat springs 31 with two conductive shafts, 54 corresponding positions on the described circuit board 3, this two contact flat spring 31 relies on its elastic force closely to contact with the conductive shaft 54 of both sides respectively, has guaranteed reliable electrical connection between the two.

As Fig. 2, Fig. 3 and shown in Figure 9, described rotating shaft main body 51 is a square cylinder, along being provided with successively on the clockwise direction of metal insert 3 inside foldings: first plane 511, second plane 512, the 3rd plane 513 and Siping City's face 514 that convex with two metal inserts 3.Between described second adjacent plane 512 and the 3rd plane 513 and join with cambered surface between the 3rd plane 513 and Siping City's face 514.Be positioned at metal insert 3 under the folded state of lower cover 12 outer surface accepting grooves 122, described Siping City face 514 is concordant with lower cover 12 outer surfaces, go under the user mode that vertically is convexly set in lower cover 12 outer surfaces at metal insert 3, described first plane 511 is concordant with lower cover 12 outer surfaces.On described first plane 511, have a plug 516 to insert in the rotating shaft main body 51 between two metal inserts 2, this plug 516 is provided with the flange 515 that the rotating shaft main body 51 that can stop under the user mode continues counterclockwise outside rotation on described first plane 511 and Siping City's face 514 intersections.

When upwards pulling metal insert 2, the gear 52 that described rotating shaft main body 51 drives side rotates, lug boss on the gear 52 struts Elastic buckle 53 and be rotated further, and with clear and melodious " rattling away " sound, metal insert 2 can be positioned the fin 531 of Elastic buckle 53 and the position that the recess on the gear 52 interlocks at any time, when two metal inserts 2 went to the user mode on vertical shell 1 surface, the fin 531 on the Elastic buckle 53 just in time snapped in the recess of gear 52, and metallic plug 2 is positioned; Equally, during with the inside folding of metallic plug 2, lug boss on the gear 52 struts Elastic buckle 53 and be rotated further, go to the favorite places that is positioned at accepting groove 122 on the housing 1 until metallic plug 2, at this moment, the fin 531 on the Elastic buckle 53 also just in time snaps in the recess of gear 52 metallic plug 2 location.

Claims

1, a kind of traveling charger comprises: engaged the housing (1) that forms, be used for and two metal inserts (2) that external power receptacle is pegged graft and the circuit board (3) that is electrically connected with two metal inserts (2) by loam cake (11) and lower cover (12); Described two metal inserts (2) are installed in rotation on the housing (1) by a rotary components; It is characterized in that,

Described rotary components comprises: with the fixedly connected rotating shaft main body (51) of two metal inserts (2), be fixed on the gear (52) of rotating shaft main body (51) left and right sides and " ㄩ " type Elastic buckle (53) that cooperates with this gear (52);

Described two side gears (52) are installed in rotation in the housing (1), described " ㄩ " type Elastic buckle (53) is limited in the limited impression (121) of lower cover (12), the inboard of its two vertical edges respectively convexes with a fin (531), and this fin (531) just in time can snap in the recess of gear (52);

The outer surface of described lower cover (12) is provided with an accepting groove (122) that can hold described rotating shaft main body (51) and two metal inserts (2).

2, traveling charger according to claim 1, it is characterized in that: each fixedly connected conductive shaft (54) of the middle part of described two side gears (52), the inner of this two conductive shaft (54) is electrically connected on the inside of rotating shaft main body (51) respectively with two metal inserts (2), the outer end of two conductive shafts (54) is electrically connected with circuit board (3).

3, traveling charger according to claim 2, it is characterized in that: described circuit board (3) is gone up with two conductive shafts (54) corresponding position and is provided with two contact flat springs (31), and this two contact flat spring (31) relies on its elastic force closely to contact with the conductive shaft (54) of both sides respectively.

4, according to claim 1,2 or 3 described traveling chargers, it is characterized in that: the sidewall of the accepting groove (122) on described lower cover (12) outer surface is provided with arc notch (123).

5, according to claim 1,2 or 3 described traveling chargers, it is characterized in that: the inner surface of described lower cover (12) is installed with two carriages (124), this two carriage (124) is provided with the arc recess that can support left and right sides gear (52), described rotating shaft main body (51) is folded between two lateral brackets (124), the inner surface of described loam cake (11) is installed with the support (111) of two band arc recess, the position of two stands (111) is corresponding with the position of two carriages (124) respectively, left and right sides gear (52) folder encloses between the arc recess of carriage (124) and support (111), forms two side gears (52) and is installed in rotation on the interior structure of housing (1).

6, according to claim 1,2 or 3 described traveling chargers, it is characterized in that: described " ㄩ " type Elastic buckle (53) has only one, is positioned at the left side or the right side of rotating shaft main body (51).

7, according to claim 1,2 or 3 described traveling chargers, it is characterized in that: described rotating shaft main body (51) is a square cylinder, inwardly be provided with successively on the clockwise direction of folding along metal insert (3): convex with first plane (511), second plane (512), the 3rd plane (513) and Siping City's face (514) of two metal inserts (3), join with cambered surface between described second plane (512) and the 3rd plane (513) and between the 3rd plane (513) and Siping City's face (514); Be positioned at metal insert (3) under the folded state of lower cover (12) outer surface accepting groove (122), described Siping City face (514) is concordant with lower cover (12) outer surface, go under the user mode that vertically is convexly set in lower cover (12) outer surface at metal insert (3), described first plane (511) is concordant with lower cover (12) outer surface.

8, traveling charger according to claim 7 is characterized in that: described first plane (511) and Siping City's face (514) intersection are provided with the flange (515) that the rotating shaft main body (51) that can stop under the user mode continues to rotate counterclockwise.