CN202121141U - power converter - Google Patents

Abstract

The utility model proposes a power converter, which includes a plug and a body. The body can be assembled with the plug detachably, and one side of the body has a transition part, and the transition part has a snap-fit structure and at least two terminals. The plug includes a shell and an opening, and the opposite side of the opening has at least two conductive sheets, and the at least two conductive sheets extend into the interior of the shell, and the opening has an inner surface, and the inner surface has an extension part. The snap-fit structure of the body corresponds to the opening and is constructed as a fool-proof structure. When the plug is assembled with the body, the body sets the snap-fit structure in the opening of the plug, and rotates to a fixed position in a single direction along the extension part, so that the at least two terminals are electrically connected to the at least two conductive sheets extending into the interior of the shell.

Description

power converter

technical field

The utility model relates to a power converter with a detachable plug, in particular to a power converter capable of changing the direction of the plug.

Background technique

With the advancement of science and technology, all kinds of electrical equipment have become an indispensable tool in people's daily life. Among them, the main function of the power converter is to provide The power required for the use of electrical equipment, such as adapters for notebook computers or chargers for mobile phones and digital cameras, are all types of power converters.

The power converter includes a plug for plugging into a power socket to receive commercial power. Due to the development of international business and the increasing emphasis on the quality of leisure life, Chinese people have more and more opportunities to go abroad for business or tourism, and portable electronic products such as laptops, mobile phones, and digital cameras have become necessary electrical appliances for Chinese people to go abroad. However, due to the wide variety of socket specifications in various countries in the world, the power converter is usually connected to an adapter plug to adapt to different socket specifications.

Most power converters are wall-plug power converters, that is, the plug protrudes from the power converter body, and because the power converter body has a certain volume, when the wall-plug power converter is plugged into a wall socket or an extension cord When plugging in the socket, the direction in which the plug of the power converter is inserted into the socket will cause the power converter to interfere with the objects around the socket, making it impossible to plug and unplug smoothly, and in some cases, other jacks on the socket will be blocked by the power converter so that these sockets cannot supply power to other electrical appliances.

Taking British and American regulations as an example, the socket specification is usually a three-hole socket, and the corresponding plug is a plug with three conductive terminals. However, such a plug with three conductive terminal specifications is usually bulky , so it is easier to take up a larger space when plugged into the socket, and if the plug on the power converter is in a fixed direction, it is more likely to cause inconvenience in use, and when the power converter is pulled out, it will also be due to Its large volume makes it difficult to store and store.

Contents of the invention

An object of the present invention is to provide a power converter with a changeable plug direction, which allows users to change the plug direction of the power converter according to needs, so that the power converter has better space utilization when plugged into a socket.

Another object of the present utility model is to provide a power converter with a changeable plug direction, which has a detachable plug, and the conductive terminals of the plug can be designed according to the sockets of various countries, so as to increase the practicality and storage of the power converter sex.

In order to achieve the above purpose, a broad implementation aspect of the present invention is to provide a power converter, including a main body and a socket. The body is detachably assembled with the plug, and one side of the body has an adapter portion, and the adapter portion has an engaging structure and at least two terminals. The plug includes a shell and an opening. There are at least two conductive sheets on opposite sides of the opening. The at least two conductive sheets extend into the inside of the shell. The opening has an inner surface with an extension. Wherein, the engaging structure of the body corresponds to the opening and the structure is a fool-proof structure. Wherein, when the plug is assembled with the main body, the main body correspondingly arranges the engaging structure in the opening of the plug, and unidirectionally rotates along the extension part to a fixed position, so that at least two terminals and at least two conductive parts extending into the inside of the housing Sheet electrical connection.

According to the idea of the utility model, the housing also has a stopper, which is arranged at one end of the extension, and wherein when the engaging structure of the main body rotates along the extension of the plug to a fixed angle to the fixed position, the engaging The structure is against the stopper.

According to the idea of the present utility model, the fixed angle is 90 degrees.

According to the idea of the present invention, the extension part is an arc-shaped structure with a slope for guiding the engaging structure to rotate along the slope.

According to the idea of the present invention, the plug further includes a positioning ring, and the positioning ring has at least one positioning point and is sheathed on the outer edge of the extension part.

According to the idea of the utility model, the positioning ring is made of elastic plastic material.

According to the idea of the present utility model, the engaging structure further has at least one engaging portion. When the engaging structure of the main body is set through the opening of the plug, the engaging portion corresponds to the positioning point. When the engaging structure rotates, the positioning ring Deformation occurs due to the abutment of the engaging structure, so that the engaging structure can rotate smoothly. When the engaging structure rotates to a fixed position, one end of the engaging structure abuts against the positioning point.

According to the idea of the utility model, the plug also has a base, which is assembled with the housing.

According to the idea of the present invention, the transfer portion further has a central column, an inner surface of the base has an annular convex portion, and the annular convex portion is disposed corresponding to the central column.

According to the idea of the present utility model, wherein the transfer portion of the body has at least one first fastening component, and an outer surface of the plug housing has at least one second fastening component; and wherein when the body and the plug are rotated to a fixed position, the first fastening component engages with the second fastening component.

The power converter provided by the utility model, by virtue of the design of the arc-shaped extension part in the plug housing, the elastic positioning ring and the structural design of the engaging structure of the power converter body, when the body and the plug are assembled, it can be connected first. Positioning in the vertical direction to avoid wrong insertion by the user. Furthermore, by rotating along the engaging structure and the extension, the engaging structure can stretch the positioning ring and rotate, and turn to The position is fixed so that the two terminals adjacent to the engaging structure can contact with the two conductive sheets in the plug base after being rotated to turn on the power supply. Therefore, with the structural design of the present invention, the user can change the direction in which the plug is assembled on the main body of the power converter according to needs, so that the power converter has better space utilization when plugged into the socket. In addition, because the plug of the present invention utilizes the elasticity of the plastic material of the positioning ring for locking, it will not cause the attenuation of the locking force due to long-term use, so it can prolong the product life. And, the plug of the present invention is a detachable plug, and the conductive terminals of the plug can be designed according to the socket specifications of various countries, so as to increase the practicability and storage capacity of the power converter.

Description of drawings

FIG. 1 is a schematic diagram of an exploded structure of a power converter according to a preferred embodiment of the present invention.

FIG. 2 is a schematic diagram of an exploded structure in another direction of a power converter according to a preferred embodiment of the present invention.

Fig. 3 is a schematic diagram of the assembled structure of the main body, the housing and the positioning ring of the plug whose direction can be changed according to the preferred embodiment of the present invention.

FIG. 4A is a schematic diagram of the structure of the power converter body and the plug before being connected according to a preferred embodiment of the present invention.

Fig. 4B is a schematic diagram of the structure of the power converter body and the plug connected according to the preferred embodiment of the present invention.

FIG. 5 is a schematic diagram of a power converter changing the direction of a plug in another preferred embodiment of the present invention.

FIG. 6 is a schematic diagram of a power converter according to another preferred embodiment of the present invention.

Wherein, the reference signs are explained as follows:

Power converter: 1 Body: 10

Adapter: 11 Snap-in structure: 110

Terminal: 111 Center post: 112

Buckle: 113 Shell: 12

Opening: 120 Inner surface: 121, 142

Extension: 122 Stop: 123

Locating ring: 13 Locating points: 130

Base: 14 External Surface: 140

Pin: 141 Conductive strip: 143

Annular convex part: 144 Rib: 145

Plugs: 15

The first fastening component: 114

Outer surface: 124

The second fastening component: 125

Detailed ways

Some typical embodiments embodying the characteristics and advantages of the invention will be described in detail in the description in the following paragraphs. It should be understood that this creation can have various changes in different forms, all of which do not depart from the scope of this creation, and the descriptions and diagrams therein are used as illustrations in nature, not to limit this creation .

Please refer to FIG. 1 , which is a schematic diagram of an exploded structure of a power converter according to a preferred embodiment of the present invention. As shown in the figure, the power converter 1 of the present invention mainly includes a main body 10 and a plug 15 . Wherein, the body 10 has an adapter portion 11 , one side of the adapter portion 11 has a pair of engaging structures 110 and two terminals 111 , and the terminals 111 are adjacent to the engaging structures 110 . The plug 15 is composed of the housing 12, the positioning ring 13 and the base 14. The housing 12 of the plug 15 has an opening 120, and has an inner surface 121 in the opening 120 of the housing 12, and is adjacent to the opening 120. The inner surface 121 has structures such as an extension portion 122 and a stop portion 123 .

Taking this embodiment as an example, the adapter part 11 is a detachable structure, and it is a structure that can be separated from the main body 10, but it is not limited thereto. In other embodiments, the adapter part 11 can also be a The body 10 is an integrally formed structure. And in some embodiments, the transfer portion 11 also has a central column 112 , but not limited thereto. The engaging structure 110 on the adapter portion 11 is a convex portion structure with a curvature, and the shape of the engaging structure 110 with a curvature is roughly consistent with the shape of the opening 120 of the housing 12 for mutual abutment. And, the arc-shaped edge of the engaging structure 110 further has an engaging portion 113 . In this embodiment, the engaging portion 113 is a groove structure, but it is not limited thereto. In addition, in some embodiments, the types of the two engaging structures 110 of the adapter part 11 may be different types, but the two different types correspond to the opening 120 of the casing 12, so as to prevent The use of the structure, but not limited to this.

Please refer to FIG. 1 again. As shown in the figure, the extension 122 of the inner surface 121 of the housing 12 is an arc-shaped structure with a slope, that is, it has a gradually rising height for guiding the corresponding body 10. The engaging structure 110 of the main body 10 can rotate along the slope of the extension part 122 after passing through the opening 120 . In this embodiment, there is a stopper 123 at the end of the extension part 122 , but it is not limited thereto. The stopper 123 is provided at one end of the extension part 122 . When the structure rotates, the displacement can be stopped by the stopper 123 against the end of the extension part 122 , so that the position of the engaging structure 110 is limited to the stopper 123 .

In some embodiments, the positioning ring 13 is a quadrangular ring structure, and the quadrangular ring structure is mainly used to rotate at an angle of 90 degrees in response to the engaging structure 110. Of course, if other embodiments want to rotate at a different angle Turning, the positioning ring 13 can also be designed to be hexagonal or octagonal, but it is not limited thereto. And, the positioning ring 13 is formed of a plastic material with good elasticity and lubricity, which is correspondingly sleeved on the outer edge of the extension part 122 and the stopper part 123 of the inner surface 121 of the housing 12, and in this embodiment, The locating ring 13 has two locating points 130, but not limited thereto. In this embodiment, the locating points 130 are protrusion structures corresponding to the buckling part 113, but not limited thereto. When the body 10 and the plug 15 During corresponding assembly, as shown in FIG. 3 , the engaging structure 110 is disposed through the opening 120 of the housing 12 of the plug 15 , and the engaging portion 113 is disposed corresponding to the positioning point 130 , so as to perform vertical positioning. Afterwards, when the engaging structure 110 rotates along the extension portion 122 of the housing 12, the arc edge of the engaging structure 110 will abut against the positioning ring 13, and the elastic positioning ring 13 will follow the rotational stress. Stretch out to make the positioning ring 13 deform, so that the engaging structure 110 can rotate along the inclination of the extension part 122, and rotate a fixed angle, for example: 90 degrees to a fixed position, so that the engaging structure 110 can reach a fixed position. Stop against the stop portion 123 , at this time, one end of the engaging structure 110 is against the positioning point 130 for positioning, and the main body 10 can change the plug connection direction by rotating 90 degrees.

Please refer to FIG. 1 and FIG. 2 at the same time. As shown in the figure, there are at least two conductive pieces 143 on opposite sides of the opening 120 of the plug 15 , and the at least two conductive pieces 143 extend into the housing 12 . In some embodiments, the base 14 of the plug 15 has an outer surface 140 and an inner surface 142, the outer surface 140 has three pins 141, and the inner surface 142 has two conductive strips 143 connected to the pins 141, Wherein, both the pins 141 and the conductive sheet 143 are metal structures capable of power supply and conduction. In some embodiments, the center of the inner surface 142 of the base 14 further has an annular convex portion 144 and two ribs 145 extending outward from the annular convex portion 144, wherein the annular convex portion 144 and the central column 112 of the transfer portion 11 are mutually connected. Correspondingly, it is used for assembling and positioning, but not limited thereto, and the two ribs 145 are configured as limiting components for relative rotation between the plug 15 and the body 10 . When the plug 15 is assembled, as mentioned above, the positioning ring 13 is sleeved on the extension portion 122 of the inner surface 121 of the housing 12 and the outer edge of the stopper portion 123, and then the housing 12 and the base 14 are connected to each other. Corresponding assembly, to complete the assembly structure of the plug 15 that can change the direction.

Please refer to FIG. 4A and FIG. 4B at the same time, which are schematic diagrams of the structure of the power converter body and the plug before and after the connection of the preferred embodiment of the present invention, respectively. As shown in FIG. 4A, when the main body 10 of the power converter 1 is assembled with the plug 15, the engaging structure 110 of the adapter part 11 passes through the opening 120 of the housing 12 of the plug 15, and at the same time, the engaging structure 110 adjacent to The terminals 111 are located at 90 degrees to the conductive sheet 143 in the base 14 . Next, please refer to FIG. 4B , when the main body 10 of the power converter 1 is rotated or the plug 15 is rotated, the engaging structure 110 will rotate along the arc of the extension part 122 , and when the engaging structure 110 abuts against When the stopper 123 is turned to a fixed position, the terminal 111 adjacent to the engaging structure 110 contacts with the conductive sheet 143 in the base 14 as it rotates. In this way, when the plug 15 is energized, Then, the power converter 1 and the angle-changable plug 15 can be electrically connected by rotating the main body 10 of the power converter 1 or rotating the plug 15 .

According to the idea of the present utility model, when the main body 10 of the power converter 1 is assembled with the plug 15, the direction of the plug 15 can be changed by rotating and fixing in one direction, so that the main body 10 and the plug 15 can be relatively rotated to a fixed position. position and at the same time form an electrical connection. When the main body 10 and the plug 15 of the power converter 1 are to be separated, the main body 10 and the plug 15 can be rotated to an unlocked position, at this time there is no electrical connection between the main body 10 and the plug 15 and the engaging structure of the main body 10 110 is opposite to the opening 120 of the plug 15 and can be separated by applying an external force.

Please refer to FIG. 5 , which is a schematic diagram of a power converter for changing the direction of the plug according to another preferred embodiment of the present invention. As shown in the figure, when the main body 10 of the power converter 1 is assembled with the plug 15, the direction of the plug 15 can be changed by means of two-way rotation and fixing, for example, the plug 15 can be rotated 90 degrees forward or reversed 90 degrees. To change the direction of the plug 15 and fix it in a degree way, and at the same time make the main body 10 and the plug 15 form an electrical connection. In this way, it can cooperate with the socket restrictions in different places, so that the power converter 1 is equipped with a socket (not shown) It is more flexible to use space when going up. And, in some other embodiments, it is only necessary to slightly change the design of the positioning ring 13, and slightly adjust the position of the stopper 123, so that the plug 15 can be changed in various angles, for example: 30 degrees, 60 degrees, 360 degrees, etc., are not limited to this. Of course, the plug 15 is a detachable plug, so it can also be designed according to different power supply specifications in various countries, for example, the three pins 141 of the base 14 can be changed to two pins, or other matching local power supply Requirements design.

Please refer to FIG. 6 , which is a schematic diagram of a power converter according to another preferred embodiment of the present invention. In this embodiment, the adapter portion 11 of the body 10 further has at least one first fastening component 114, and an outer surface 124 of the housing 12 of the plug 15 has at least one second fastening component 125, wherein the second fastening component 125 The fastening component 125 can be engaged with the corresponding first fastening component 114 . In some embodiments, the first fastening component 114 and the second fastening component 125 are a combination of protrusions and recesses. When the body 10 and the plug 15 rotate to the fixed position, the first fastening component 114 engages with the second fastening component 125 so that the body 10 and the plug 15 can be fixed and positioned more firmly.

To sum up, the utility model mainly provides a power converter. By virtue of the design of the arc-shaped extension in the plug housing, the elastic positioning ring and the structural design of the engaging structure of the power converter body, the body and When the plug is assembled, it can be positioned in the vertical direction first to prevent the user from inserting it by mistake. Furthermore, by rotating along the engaging structure and the extension part, the engaging structure can expand the positioning ring. Then rotate and turn to a fixed position, so that the two terminals adjacent to the engaging structure can contact the two conductive sheets in the plug base after rotation to conduct the power supply. Therefore, with the structural design of the present invention, the user can change the direction in which the plug is assembled on the main body of the power converter according to needs, so that the power converter has better space utilization when plugged into the socket. In addition, because the plug of the present invention utilizes the elasticity of the plastic material of the positioning ring for locking, it will not cause the attenuation of the locking force due to long-term use, so it can prolong the product life. And, the plug of the present invention is a detachable plug, and the conductive terminals of the plug can be designed according to the socket specifications of various countries, so as to increase the practicability and storage capacity of the power converter.

The utility model can be modified in various ways by those of ordinary skill in the art, without departing from the content to be protected by the scope of the appended claims.

Claims (10)

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.

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