CN202121141U

CN202121141U - Power supply converter

Info

Publication number: CN202121141U
Application number: CN2011202555213U
Authority: CN
Inventors: 闻秉宏; 陈俊呈
Original assignee: Delta Optoelectronics Inc
Current assignee: Delta Electronics Inc; Delta Optoelectronics Inc
Priority date: 2011-07-11
Filing date: 2011-07-11
Publication date: 2012-01-18
Anticipated expiration: 2021-07-11

Abstract

The utility model provides a power supply converter, comprising a plug and a body. The body can be assembled with the plug detachably, one side of the body is equipped with a switching part, and the switching part possesses a fastening structure and at least two terminals; The plug comprises a shell and an opening, a relative side of the opening possesses at least two conducting strips extended in the interior of the shell, an inner surface is arranged in the opening, and the inner surface possesses an extending part; wherein, the fastening structure of the body corresponds to the opening and is constructed as a poke yoke structure; wherein, when the plug is assembled with the body, the fastening structure of the body is arranged in the opening of the plug correspondingly and is rotated to a fixed position unidirectionally along the extending part to connect the at least two terminals and the at least two conducting strips extended in the interior of the shell.

Description

Power supply changeover device

Technical field

The utility model relates to the power supply changeover device of the detachable plug of a kind of tool, relates in particular to a kind of power supply changeover device of convertible plug direction.

Background technology

Along with scientific and technological progress; Electric equipment miscellaneous become in people's daily life indispensable instrument; Wherein, The major function of power supply changeover device (power converter) is in order to after converting the commercial power rectification into direct current, required power supply when providing electric equipment to use, and for example the charger (charger) of the adapter of notebook computer (adapter) or mobile phone and digital camera etc. all belongs to a kind of of power supply changeover device.

Power supply changeover device comprises a plug, and the supply socket that is used for pegging graft is to accept civil power.Because the prosperity of international business affairs and more and more valued recreation quality, compatriots go abroad, and to be in harmony chance public or tourism increasing, and as portable electric products such as notebook computer, mobile phone and digital camera also become the go abroad electrical equipment of indispensability of compatriots.Yet, therefore can power supply changeover device be connected a patchplug usually, to adapt to different socket specifications because countries in the world socket specification is of a great variety.

Most of power supply changeover device is the Direct Plug-In power supply changeover device; That is plug is outstanding from the power supply changeover device body, and because the power supply changeover device body has certain volume, so when the Direct Plug-In power supply changeover device is inserted in wall plug or extended line socket; Can be because the power supply changeover device plug be inserted in the direction on the socket; Cause power supply changeover device to interfere article arround the socket, and can't plug smoothly, and in some cases; Other jacks on the socket can be covered by power supply changeover device, these jacks can't be supplied power give other electrical appliances.

By being example with English rule and U.S. rule, its socket specification is generally the socket in three holes, and its corresponding plug plug that is three conducting terminals of tool; Yet the common volume of plug of three conducting terminal specifications of this kind tool is comparatively huge, thereby more is prone to take bigger space when being inserted on the socket; And when being fixed-direction, more be prone to cause the inconvenience in the use as if the plug on the power supply changeover device, and; After pulling up power supply changeover device, also can cause not easily contained, preservation greatly because of its volume.

Summary of the invention

One purpose of the utility model is to provide a kind of power supply changeover device of convertible plug direction, can let the user comply with the plug direction that need change power supply changeover device, makes power supply changeover device that preferable space utilization property arranged when the grafting socket.

The another purpose of the utility model is to provide a kind of power supply changeover device of convertible plug direction, and it has detachable plug, and the conducting terminal of this plug can design according to various countries' socket, to increase the practicality and the taking in property of power supply changeover device.

For reaching above-mentioned purpose, one of the utility model is implemented aspect for a kind of power supply changeover device is provided than broad sense, comprises body and socket.Body is assembled with plug separably mutually, and a side of body has switching part, and switching part has snap-in structure and reaches two-terminal at least.Plug comprises housing and opening, and the opposite side of opening has at least two conducting strips, and at least two conducting strips extend into enclosure interior, has an inner surface in the opening, and this inner surface has extension.Wherein, the snap-in structure of body and framework corresponding with opening is an error-proof structure.Wherein, when the assembling of plug and body, body is arranged at the snap-in structure correspondence in the opening of plug, and carries over the extension folk prescription and rotate to the fixed position to ground, so that two-terminal and at least two conducting strip electric connections that extend into enclosure interior at least.

According to the conception of the utility model, its middle shell also has the stop section, and it is arranged at an end of extension, and the extension that wherein carries over plug when the snap-in structure of body is when rotating a fixed angle to this fixed position, and snap-in structure is resisted against the stop section.

According to the conception of the utility model, wherein this fixed angle is 90 degree.

According to the conception of the utility model, wherein extension is arc structure and has gradient, carries over gradient to rotate to be used to guiding snap-in structure.

According to the conception of the utility model, wherein plug also comprises locating ring, and locating ring has at least one anchor point and is sheathed on the outer rim of extension.

According to the conception of the utility model, wherein locating ring is made by the rubber-like plastic material.

According to the conception of the utility model, wherein snap-in structure has more at least one buckling parts, when the snap-in structure of body passes through the opening of plug and is provided with; Buckling parts is corresponding to anchor point; When snap-in structure rotated, locating ring was replaced because of this snap-in structure and is produced deformation, so that snap-in structure rotates smoothly; When snap-in structure turned to the fixed position, an end of snap-in structure was resisted against anchor point.

According to the conception of the utility model, wherein plug also has a pedestal, and it is assembled with housing mutually.

According to the conception of the utility model, wherein switching part has more a newel, and an inner surface of pedestal has an annular protrusion, and the corresponding setting with newel of annular protrusion.

According to the conception of the utility model, wherein the switching part of body has at least one first fixing assembly, and an outer surface of the housing of plug has at least one second fixing assembly; And wherein when body and plug relatively rotate to the fixed position, first fixes assembly fastens with the second fixing assembly.

The power supply changeover device that the utility model provides, the structural design of the flexible locating ring of design, tool of the arc extension in the plug casing and the snap-in structure of power supply changeover device body is when making body and plug winding; Can carry out the location of vertical direction earlier; Misplug with the person of avoiding the use of and to establish, moreover, by the rotation that carries between snap-in structure and the extension; So that snap-in structure can strut locating ring; And rotate, and go to the fixed position, can contact and turn-on power with two conducting strips in the Plug base after rotating so that be adjacent to the two-terminal of snap-in structure.Therefore, by the structural design of the utility model, user Ke Yi needs the conversion plug to be assembled in the direction on the power supply changeover device body, so that power supply changeover device has preferable space utilization property when the grafting socket.In addition, because the plug of the utility model utilizes the elasticity of plastic material of locating ring to lock, it can not cause the decay of locking strength because of long-term the use, so it can prolong life of product.And the plug of the utility model is detachable plug, and the conducting terminal of this plug can design according to various countries' socket specification, to increase the practicality and the taking in property of power supply changeover device.

Description of drawings

Fig. 1 is the decomposition texture sketch map of the power supply changeover device of the utility model preferred embodiment.

Fig. 2 is the decomposition texture sketch map of other direction of the power supply changeover device of the utility model preferred embodiment.

Fig. 3 is body and the package assembly sketch map of housing and locating ring of the convertible plug direction of the utility model preferred embodiment.

Fig. 4 A is that the power supply changeover device body and the plug of the utility model preferred embodiment connects preceding structural representation.

Fig. 4 B is the structural representation after power supply changeover device body and the plug of the utility model preferred embodiment connects.

Fig. 5 is the sketch map of the power supply changeover device conversion plug direction of another preferred embodiment of the utility model.

Fig. 6 is the sketch map of the power supply changeover device of another preferred embodiment of the utility model.

Wherein, description of reference numerals is following:

Power supply changeover device: 1 body: 10

Switching part: 11 snap-in structures: 110

Terminal: 111 newels: 112

Buckling parts: 113 housings: 12

Opening: 120 inner surfaces: 121,142

Extension: 122 stop sections: 123

Locating ring: 13 anchor points: 130

Pedestal: 14 outer surfaces: 140

Pin: 141 conducting strips: 143

Annular protrusion: 144 ribs: 145

Plug: 15

First fixes assembly: 114

Outer surface: 124

Second fixes assembly: 125

Embodiment

Some exemplary embodiments that embody this creation characteristic and advantage will be described in detail in the explanation of back segment.Be understood that this creation can have various variations on different aspects, the scope of its neither this creation of disengaging, and explanation wherein and be shown in the usefulness of being used as explanation in essence, but not in order to limit this creation.

See also Fig. 1, it is the decomposition texture sketch map of the power supply changeover device of the utility model preferred embodiment.As shown in the figure, the power supply changeover device 1 of the utility model mainly comprises body 10 and plug 15.Wherein, body 10 has switching part 11, and a side of switching part 11 has a pair of snap-in structure 110 and two-terminal 111, and terminal 111 is adjacent to snap-in structure 110.15 of plugs are made up of housing 12, locating ring 13 and pedestal 14 jointly; The housing 12 of plug 15 has an opening 120; And in the opening 120 of housing 12, have an inner surface 121, and the inner surface 121 in adjacent openings 120 places have structures such as extension 122 and stop section 123.

With the present embodiment is example, and switching part 11 is dismountable structure, and be can with body 10 separated structures, but not as limit, in other embodiment, switching part 11 also can be the structure that is formed in one with body 10.And in certain embodiments, switching part 11 also has newel 112, but not as limit.Snap-in structure 110 on the switching part 11 is for having the protuberance structure of radian, and the shape of the profile of these snap-in structure 110 tool radians and the opening 120 of housing 12 is roughly coincide, with mutual butt joint.And the arcuation edge of snap-in structure 110 has more buckling parts 113, and in present embodiment, buckling parts 113 is a groove structure, but not as limit.In addition, in certain embodiments, the kenel of two snap-in structures 110 of switching part 11 can be kenel inequality, but opening 120 corresponding the coincideing of this two kenel inequality and housing 12, with usefulness as error-proof structure, but not as limit.

Please consult Fig. 1 again; As shown in the figure; The extension 122 of the inner surface 121 of housing 12 is an arcuate structure, and has a gradient, and promptly it has the height that edges up;, can carry over the gradient of extension 122 and be rotated so that after the snap-in structure 110 of body 10 passes through opening 120 in order to the snap-in structure 110 of guiding corresponding body 10.In present embodiment; End at extension 122 has stop section 123; But not as limit, stop section 123 is arranged at an end of extension 122, when the arcuate structure that carries over extension 122 when snap-in structure 110 is rotated; Can be by the stop section 123 of the end that is resisted against extension 122 and stop displacement, so that the position of snap-in structure 110 is defined in 123 places, stop section.

In certain embodiments; Locating ring 13 is a tetragonal circulus; This tetragonal circulus is mainly in response to snap-in structure 110 and rotates with the angle of 90 degree, certainly, desires to rotate with different angles if other implement aspect; Also can locating ring 13 be designed to hexagon or octagon does not wait, not as limit.And locating ring 13 is formed by having the good plastic material of elasticity and lubrification, and its correspondence is sheathed on extension 122 and the outer rim of stop section 123 of the inner surface 121 of housing 12; And in the present embodiment, locating ring 13 has two anchor points 130, but not as limit; In present embodiment, anchor point 130 is the protuberance structure corresponding to buckling parts 113, but not as limit; When body 10 during with plug 15 corresponding assemblings, as shown in Figure 3, snap-in structure 110 pass through plug 15 housing 12 opening 120 and be provided with; And its buckling parts 113 and anchor point 130 corresponding settings are so to carry out the location of vertical direction.When snap-in structure 110 carry over the extension 122 of housing 12 and when rotating, then the curved edge of snap-in structure 110 be resisted against locating ring 13 thereafter; And comply with this rotation stress and rubber-like locating ring 13 is strutted, make locating ring 13 produce deformation, so that snap-in structure 110 can rotate along the gradient of extension 122; And turning a fixed angle, for example: 90 degree make snap-in structure 110 be resisted against stop section 123 and stop operating to a fixed position; At this moment; One end of snap-in structure 110 is resisted against anchor point 130, whereby positioning, and makes body 10 change plug closure by rotating 90 degree.

Please consult Fig. 1 and Fig. 2 simultaneously, as shown in the figure, the opposite side of the opening 120 of plug 15 has at least two conducting strips 143, and this at least two conducting strip 143 extends into housing 12 inside.In certain embodiments; The pedestal 14 of plug 15 has outer surface 140 and inner surface 142; On outer surface 140, have three pins 141; 142 of inner surfaces have two conducting strips 143 that are connected with pin 141, and wherein, pin 141 and conducting strip 143 are the metal structure of the conducting of can supplying power.In some embodiment; Inner surface 142 centers of pedestal 14 have more annular protrusion 144 and reach from annular protrusion 144 outward extending both sides of the chest 145; Wherein annular protrusion 144 is corresponding each other with the newel 112 of switching part 11; To be made for the usefulness of assembling location, but not as limit, and both sides of the chest 145 frameworks are plug 15 and 10 counterrotating limit assemblies of body.When plug 15 is assembled; Locating ring 13 is sheathed on extension 122 and the outer rim of stop section 123 of the inner surface 121 of housing 12 like aforementioned elder generation; Thereafter, again with the assembling that corresponds to each other of housing 12 and pedestal 14, with the package assembly of the plug 15 of completion direction-changeable.

Please consult Fig. 4 A and Fig. 4 B simultaneously, its power supply changeover device body and plug that is respectively the utility model preferred embodiment connect preceding and connect after structural representation.Shown in Fig. 4 A; When the body 10 of power supply changeover device 1 is assembled with plug 15; The snap-in structure 110 of switching part 11 passes through the opening 120 of the housing 12 of plug 15, simultaneously, should be positioned at the position that is 90 degree with the conducting strip 143 of pedestal 14 with 111 of the terminals of snap-in structure 110 adjacency.Then; See also Fig. 4 B, when the body 10 of rotary power supply converter 1 or rotary connector 15, then snap-in structure 110 will carry over the radian of extension 122 and rotate; And when snap-in structure 110 is resisted against stop section 123; Be it when going to the fixed position, the terminal 111 that is adjacent to snap-in structure 110 along with rotation with pedestal 14 in conducting strips 143 contact, thus; After plug 15 energising, then can make the power supply changeover device 1 and the plug 15 of convertible angle form electric connections by the body 10 of rotary power supply converter 1 or rotary connector 15.

Conception according to the utility model; Behind the body 10 and plug 15 windings of power supply changeover device 1; Plug 15 can make body 10 and plug 15 can relatively rotate to a fixed position and form electric connection simultaneously by folk prescription its direction of mode conversion to rotational fixation.When the body 10 of power supply changeover device 1 separates with plug 15 desires; Can body 10 and plug 15 relatively be rotated to a unlocked position, this moment body 10 with plug 15 between can electric connection and holding of the snap-in structure 110 of body 10 and plug 15 120 can both be separated by applying an external force relatively.

See also Fig. 5, it is the sketch map of the power supply changeover device conversion plug direction of another preferred embodiment of the utility model.As shown in the figure; After the body of power supply changeover device 1 10 and plug 15 windings, plug 15 can be by its direction of mode conversion of two-way rotational fixation, for example can see through with plug 15 just turning 90 degrees or the anti-mode that turn 90 degrees with the direction of conversion plug 15 and it is fixed; Make body 10 and plug 15 form electric connection simultaneously; Thus, then can cooperate the socket restriction of different places, make power supply changeover device 1 have more the elasticity that the space uses in that socket (not icon) when lasting is set.And, in further embodiments, only need the design of locating ring 13 is changed slightly; And the position of stop section 123 slightly adjusted; Can make plug 15 carry out conversion with the direction of various different angles, for example: 30 degree, 60 degree, 360 degree etc., all not as limit.Certainly, plug 15 is detachable plug, and then it also can change design with the different power specification in various countries, for example can three pins 141 of pedestal 14 be changed two pins, or other cooperates the design of local power supply requirement.

See also Fig. 6, it is the sketch map of the power supply changeover device of another preferred embodiment of the utility model.In present embodiment; The switching part 11 of body 10 has more at least one first and fixes assembly 114; And an outer surface 124 of the housing 12 of plug 15 has at least one second and fixes assembly 125, and wherein the second fixing assembly 125 can be interlocked with the first corresponding fixing assembly 114.In some embodiment, it is the combination of projection and recess that the first fixing assembly 114 and second fixes assembly 125.When body 10 and plug 15 relatively turned to this fixed position, first fixes assembly 114 and second fixed assembly 125 and fastens and make and can more firmly fix between body 10 and the plug 15 and locate.

In sum, the utility model mainly provides a kind of power supply changeover device, the structural design of the flexible locating ring of design, tool of the arc extension in the plug casing and the snap-in structure of power supply changeover device body; When making body and plug winding, can carry out the location of vertical direction earlier, misplug with the person of avoiding the use of and establish; Moreover; By the rotation that carries between snap-in structure and the extension,, and rotate so that snap-in structure can strut locating ring; And go to the fixed position, can contact and turn-on power with two conducting strips in the Plug base after rotating so that be adjacent to the two-terminal of snap-in structure.Therefore, by the structural design of the utility model, user Ke Yi needs the conversion plug to be assembled in the direction on the power supply changeover device body, so that power supply changeover device has preferable space utilization property when the grafting socket.In addition, because the plug of the utility model utilizes the elasticity of plastic material of locating ring to lock, it can not cause the decay of locking strength because of long-term the use, so it can prolong life of product.And the plug of the utility model is detachable plug, and the conducting terminal of this plug can design according to various countries' socket specification, to increase the practicality and the taking in property of power supply changeover device.

The utility model must be appointed by those of ordinary skills and executed that the craftsman thinks and be to modify right neither content of taking off the desire protection of accompanying claims scope institute as all.

Claims

1. a power supply changeover device is characterized in that, comprising:

One body and a plug, this body is assembled with this plug separably mutually, and a side of this body has a switching part; This switching part has a snap-in structure and reaches two-terminal at least, and this plug comprises a housing and an opening, and the opposite side of this opening has at least two conducting strips; This at least two conducting strip extends into this enclosure interior; Have an inner surface in this opening, this inner surface has an extension, and wherein this snap-in structure of this body and framework corresponding with this opening is an error-proof structure;

Wherein, When this plug and the assembling of this body; This body is arranged at this snap-in structure correspondence in this opening of this plug, and carries over this extension folk prescription and rotate to a fixed position to ground, so that this two-terminal and this at least two conducting strips electric connection that extends into this enclosure interior at least.

2. power supply changeover device as claimed in claim 1; It is characterized in that; This housing also has a stop section; This stop section is arranged at an end of this extension, and when this extension that wherein carries over this plug when this snap-in structure of this body rotated a fixed angle to this fixed position, this snap-in structure was resisted against this stop section.

3. power supply changeover device as claimed in claim 2 is characterized in that, this fixed angle is 90 degree.

4. power supply changeover device as claimed in claim 1 is characterized in that, this extension is an arc structure and has a gradient, carries over this gradient to rotate to be used to guiding this snap-in structure.

5. power supply changeover device as claimed in claim 1 is characterized in that this plug also comprises a locating ring, and this locating ring has at least one anchor point and is sheathed on the outer rim of this extension.

6. power supply changeover device as claimed in claim 5 is characterized in that this locating ring is made by the rubber-like plastic material.

7. power supply changeover device as claimed in claim 5 is characterized in that this snap-in structure also has at least one buckling parts; When this snap-in structure of this body passes through this opening of this plug and when being provided with, this buckling parts is corresponding to this anchor point, when this snap-in structure rotates; This locating ring is replaced because of this snap-in structure and is produced deformation; So that this snap-in structure rotates smoothly, when this snap-in structure turned to this fixed position, an end of this snap-in structure was resisted against this anchor point.

8. power supply changeover device as claimed in claim 1 is characterized in that this plug also has a pedestal, and this pedestal is assembled with this housing mutually.

9. power supply changeover device as claimed in claim 8 is characterized in that this switching part also has a newel, and an inner surface of this pedestal has an annular protrusion, and this annular protrusion and the corresponding setting of this newel.

10. power supply changeover device as claimed in claim 1 is characterized in that, this switching part of this body has at least one first and fixes assembly, and an outer surface of this housing of this plug has at least one second fixing assembly; And wherein when this body and this plug relatively rotate to this fixed position, this first fixes assembly and fastens with this second fixing assembly.