TWI627801B - Retractable plug device - Google Patents

Abstract

A telescopic plug device includes a housing and a plug unit. The casing has a first surface and a second surface. The first surface and the second surface are respectively provided with a first opening and a second opening. The interior of the casing is provided with an accommodation space. The first opening and the second opening are located at Hold both ends of the space. The plug unit has an insulating body and pins, and the pins are pivoted on the insulating body so that the pins can be rotated and folded. The plug unit is movably disposed in the accommodation space of the housing, and the plug unit can protrude through the first opening of the housing. The first surface may be contained in an accommodation space of the casing. As a result, the overall housing height can be reduced, making it easier to carry and use.

Description

Telescopic plug device

The invention relates to a telescopic plug device, in particular to a plug device that can be telescopically changed and the plug unit can be accommodated inside.

With the advancement of science and technology, more and more electrical products are accompanied by people's lives, the utilization rate of plugs has increased, and various plugs are also commonly used. The existing European socket and plug products are too bulky, because the socket of the European socket sinks to a certain depth, and the same plug is inserted into the sinking socket, so the height of the plug is higher than the common American or British regulations. The plug product not only occupies indoor space, but also is not easy to carry and use.

In summary, the inventor feels that the above-mentioned defects can be improved, but he has devoted himself to studying and cooperating with the application of science, and finally proposed an invention with a reasonable design and effective improvement of the above-mentioned defects.

The technical problem to be solved by the present invention is to provide a telescopic plug device, which can reduce the overall housing height and is easier to carry and use.

In order to solve the above technical problems, the present invention provides a telescopic plug device, which includes a casing, the casing having a first surface and a second surface, and the first surface and the second surface are located on opposite sides of the casing. The first surface is provided with a first opening, and an accommodation space is provided inside the housing, and the first opening is located at one end of the accommodation space; And a plug unit, the plug unit has an insulating body and a pin, the pin is rotatably disposed on the insulating body, so that the pin can be rotated and retracted, and the plug unit is movably disposed in an accommodation space of the housing, The plug unit can protrude from the first surface of the casing through the first opening or be received in an accommodation space of the casing.

Advantageous effects of the present invention: The plug unit of the present invention is movably disposed in the accommodation space of the housing, so that the plug unit can protrude from the first surface of the housing or be accommodated in the accommodation space of the housing, and the The pins can be rotated and folded, and the present invention can reduce the height of the overall shell, which is easier to carry and use.

In order to further understand the features and technical contents of the present invention, please refer to the following detailed description of the present invention and the accompanying drawings, but the drawings are only for reference and explanation, and are not intended to limit the present invention.

1‧‧‧shell

11‧‧‧First case

12‧‧‧Second shell

13‧‧‧ the first side

14‧‧‧ second side

15‧‧‧accommodation space

16‧‧‧ the first opening

17‧‧‧ second opening

18‧‧‧ ground terminal

181‧‧‧Fixed section

182‧‧‧First contact

183‧‧‧Second contact section

18’‧‧‧ ground terminal

19‧‧‧Guide

20‧‧‧Socket Unit

2‧‧‧ plug unit

21‧‧‧Insulated body

211‧‧‧First Containment Tank

212‧‧‧Second Containment Tank

213‧‧‧ convex

22‧‧‧ pin

24‧‧‧ Pivot Seat

25‧‧‧jack

26‧‧‧ Grounding

27‧‧‧rail

28‧‧‧stop

281‧‧‧Groove

282‧‧‧stop surface

3‧‧‧Conductive terminal group

31‧‧‧Conductive terminal

FIG. 1 is an exploded perspective view of a telescopic plug device according to the present invention.

FIG. 2 is an exploded perspective view of the telescopic plug device of the present invention from another angle.

Fig. 3 is a perspective view of a use state of the telescopic plug device according to the present invention.

FIG. 4 is a sectional view taken along the line IV-IV in FIG. 3.

Fig. 5 is a sectional view taken along the line V-V in Fig. 3.

FIG. 6 is a perspective view of the telescopic plug device of the present invention in a non-use state.

FIG. 7 is a Ⅶ-Ⅶ view of FIG. 6.

Fig. 8 is a cross-sectional view taken along the line IX-IX in Fig. 6.

FIG. 9 is a perspective view of a use state of another embodiment of the telescopic plug device of the present invention.

FIG. 10 is a perspective view of a non-used state of another embodiment of the telescopic plug device of the present invention.

FIG. 11 is another perspective view of the telescopic plug device according to another embodiment of the present invention in a non-use state from another angle.

Please refer to FIGS. 1 to 5, which are the first embodiment of the telescopic plug device of the present invention. Each embodiment disclosed by the present invention corresponds to the related quantities and appearances mentioned in the drawings, and is only used to specifically describe the present invention. The embodiments are provided to facilitate understanding of the content of the present invention, rather than to limit the protection scope of the present invention. The telescopic plug device of the present invention is applicable to various plugs, sockets, or adapters, and the type is not limited. The telescopic plug device of this embodiment discloses the specifications of European plugs.

The telescopic plug device includes a housing 1 and a plug unit 2. The case 1 is preferably made of an insulating material such as plastic. The case 1 may be a one-piece or multi-piece structure. In this embodiment, the case 1 includes a first case 11 and a first case. The two shells 12, the first shell 11 and the second shell 12 are combined into a complete shell 1. The first shell 11 and the second shell 12 can be combined by screwing, snapping or gluing. The shape of the casing 1 is not limited, and may be a square, a circle, an oblong, or any other shape. The casing 1 has a first surface 13 and a second surface 14. The first surface 13 and the second surface 14 are located on opposite sides of the casing 1.

The housing 1 is provided with an accommodating space 15 inside, and the shape of the accommodating space 15 is not limited. The accommodating space 15 may be circular or square. The present embodiment discloses that the accommodating space 15 is circular. The first surface 13 and the second surface 14 of the casing 1 are respectively provided with a first opening 16 and a second opening 17. The first opening 16 is located at one end of the accommodation space 15, and the second opening 17 is located at the other end of the accommodation space 15. At one end, the first opening 16 and the second opening 17 communicate with the accommodating space 15. The shapes of the first opening 16 and the second opening 17 are not limited. The present embodiment discloses that the first opening 16 and the second opening 17 are circular corresponding to the accommodation space 15. The inner edge of the accommodating space 15 may also be provided with at least one guide groove 19. The present embodiment discloses that two guide grooves 19 are provided. The guide groove 19 extends along the insertion direction of the telescopic plug device, and can be used to guide the docking plug. Placed in the accommodation space 15.

The plug unit 2 has an insulating body 21 and pins 22, and the shape of the insulating body 21 corresponds to the shape of the accommodation space 15 of the housing 1, so that the plug unit 2 can be disposed in the accommodation space 15 of the housing 1 and insulated. The height of the main body 21 may be equal to or different from the height of the accommodation space 15. Pin 22 is made of a highly conductive metal material. 22 is disposed on the insulating body 21, and the type and number of pins 22 are not limited. One or more pins 22 may be provided. This embodiment discloses that two pins 22 are provided. The pin 22 is pivotally mounted on the insulating body 21, that is, one end of the pin 22 is fixed on a pivot socket 24, so that the pivot socket 24 is pivotally connected to the conductive terminal 31, so that the pin 22 is rotatably disposed on the insulating body 21. The pin 22 can be rotated and folded, and a first receiving slot 211 corresponding to the pin 22 is provided on the insulating body 21, which can be used to receive the pin 22 that is folded.

The telescopic plug device may further include a conductive terminal group 3, which is disposed in the insulating body 21 of the plug unit 2. The conductive terminal group 3 is provided with at least one conductive terminal 31. The conductive terminal 31 is electrically conductive. The type and number of the conductive terminals 31 are not limited. One or more conductive terminals 31 may be provided. This embodiment discloses that two conductive terminals 31 are provided. The conductive terminals 31 are electrically connected to the pins 22. The structure and application of the conductive terminal group 3 are not limited, and can be applied to various power output interfaces, so that power can be transmitted to the conductive terminal group 3 (power output interface) through the pins 22.

In this embodiment, the conductive terminal group 3 is applied to a socket, that is, a socket module is provided on the second surface 14 of the housing 1, and an end of the insulating body 21 of the plug unit 2 away from the pin 22 is provided with a jack 25. The conductive terminal 31 corresponds to the socket 25 and can be used to contact the pins of the mating plug to achieve electrical connection. When one end of the plug unit 2 provided with the jack 25 is sunk in the accommodating space 15, a plug of a corresponding specification can be inserted. However, the type and structure of the second surface 14 of the casing 1 are not limited.

The plug unit 2 is movably disposed in the accommodating space 15 of the housing 1, so that the plug unit 2 can protrude from the first surface 13 of the housing 1 or accommodated in the accommodating space 15 of the housing 1 through the first opening 16. Inside. The height of the insulating body 21 of the plug unit 2 may be equal to or different from the height of the accommodating space 15 of the housing 1. The insulating body 21 of the plug unit 2 may be accommodated in the accommodating space 15 of the housing 1. The plug unit 2 and the housing 1 can form a sliding fit, so that the plug unit 2 can be smoothly extended and retracted. Of course, the plug unit 2 and the housing 1 may have a proper tightness, but the principle is not to hinder the expansion and contraction of the plug unit 2.

The plug unit 2 can be extended or retracted by being pushed by a human or elastic element. This embodiment discloses that the plug unit 2 is extended or retracted by being pushed by a human. In addition, a positioning mechanism may also be provided between the housing 1 and the plug unit 2 to enable the plug unit 2 to be positioned when it is extended or retracted to a predetermined position. The positioning mechanism may be a stopper, a snap member, and a screw. Or various existing positioning members are not limited. This embodiment discloses that the positioning mechanism is a stopper 28 that is movably disposed on the housing 1. The moving direction of the stopper 28 can be perpendicular to the plugging direction of the telescopic plug device to stop The member 28 is provided with a groove 281 which extends along the plugging direction of the telescopic plug device, and a stop surface 282 is formed on one side of the stop member 28. A convex portion 213 is provided on an outer edge of the insulating body 21 of the plug unit 2. When the stopper 28 is pushed to make the groove 281 correspond to the convex portion 213, the plug unit 2 can be freely extended or retracted; when the plug unit 2 is extended to a predetermined position, the stopper 28 can be pushed to make the groove 281 is staggered with the convex portion 213, so that the positioning convex portion 213 can be stopped by the stop surface 282 of the stopper 28, so that the plug unit 2 is positioned in the extended state.

The plug unit 2 may be provided with a grounding member 26. The grounding member 26 is made of a metal material with good conductivity. The grounding member 26 may be exposed on both sides of the insulating body 21 and the like. The outer edge of the insulating body 21 of the plug unit 2 may also be provided with at least one guide rail 27. This embodiment discloses that two guide rails 27 are provided. The guide rail 27 extends along the insertion direction of the telescopic plug device, and can be used to guide the telescopic plug device. Plug it into the corresponding socket.

The housing 1 is provided with a ground terminal 18 (ground electrode conductive structure). The ground terminal 18 is made of a metal material with good conductivity. The ground terminal 18 extends into the accommodation space 15 and the ground terminal 18 may It is arranged on the side of the accommodation space 15, and the ground terminal 18 can be fixed on the casing 1. Preferably, two terminal poles 18 are provided, and the two terminal poles 18 can be disposed on both sides of the accommodation space 15. The ground terminal 18 may have a fixing portion 181, a first contact portion 182, and a second contact portion 183. The fixing portion 181 may be fixed to the housing 1. The first contact portion 182 and the second contact portion 183 are fixed by the fixing portion. The two ends of 181 are extended, and the first contact portion 182 is extended and bent toward the accommodating space 15 so that the first contact portion 182 extends into the accommodating space 15 so as to be in contact with the ground portion of the docking plug. Second contact part 183 The bending is extended toward the grounding member 26, so that the second contact portion 183 is in sliding contact with the grounding member 26, so that the ground terminal 18 and the grounding member 26 are grounded.

As shown in Figures 3 to 5, when the telescopic plug device is in use, the plug unit 2 can extend through the first opening 16 of the first surface 13 of the housing 1, so that the plug unit 2 can be inserted into the corresponding socket. . At this time, the end of the plug unit 2 provided with the jack 25 is recessed into the second surface 14 of the housing 1, so that the end of the plug unit 2 provided with the jack 25 is sunk into the accommodation space 15 for docking plugs. The accommodating space 15 can be used for accommodating the docking plug, so that the docking plug can be accommodated inside the telescopic plug device, and the pins of the docking plug can be inserted into the conductive terminal group 3 through the jack 25, and the pins of the docking plug can be conductive The conductive terminals 31 of the terminal group 3 are contacted to achieve electrical connection, so that power can be transmitted to the plug. As shown in FIGS. 6 to 8, when the telescopic plug device is in an unused state, the plug unit 2 can be retracted and accommodated in the accommodation space 15 of the housing 1 through the first opening 16, and the pins 22 of the plug unit 2 can be retracted. Rotate and retract to reduce the overall height of the telescopic plug device.

Please refer to FIG. 9, which is another embodiment of the telescopic plug device of the present invention. The telescopic plug device of this embodiment is of the French standard. The ground terminal 18 ′ is cylindrical, and the ground terminal 18 ′ can be erected on the plug unit 2. The insulating body 21 is provided with one end of the insertion hole 25, so that the ground terminal 18 'is disposed on the plug unit 2, and the ground terminal 18' extends into the accommodation space 15 so as to contact the ground portion of the docking plug. The ground terminal 18 'is pivoted on the insulating body 21, that is, one end of the ground terminal 18' can be pivoted to the insulating body 21 with a pivot (not shown), so that the ground terminal 18 'can be rotated and folded, and The insulating body 21 is provided with a second receiving slot 212 corresponding to the ground terminal 18 ', which can be used to receive the folded ground terminal 18'.

Please refer to FIGS. 10 and 11, which are yet another embodiment of the telescopic plug device according to the present invention. In this embodiment, the second opening 17 on the second surface 14 of the casing 1 of the above embodiment is omitted, and only in the casing 1. The first surface 13 is provided with a first opening 16, so that the plug unit 2 can protrude from the first surface 13 of the housing 1 or received in the accommodation space 15 of the housing 1 through the first opening 16. A socket unit 20 may be further provided on the second surface 14 of this embodiment. Available for docking plugs.

The plug unit of the present invention is movably disposed in the accommodating space of the housing, so that the plug unit can protrude from the first surface of the housing or be accommodated in the accommodating space of the housing, and the pins of the plug unit can be rotated and folded. The invention can reduce the overall shell height and is easier to carry and use.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of patent protection of the present invention. Therefore, any equivalent changes made using the description and drawings of the present invention are also included in the scope of protection of the present invention. Inside.

Claims (9)

A telescopic plug device includes a casing, the casing having a first surface and a second surface, the first surface and the second surface are located on opposite sides of the casing, and the first surface is provided with a first opening The housing is provided with an accommodation space inside, the first opening is located at one end of the accommodation space; and a plug unit, the plug unit has an insulating body and a pin, and the pin is rotatably disposed on the insulating body, so that The pin can be rotated and folded, and the plug unit is movably disposed in the accommodating space of the housing. The plug unit can protrude through the first opening of the first surface of the housing or accommodated in the housing. The telescopic plug device further includes a conductive terminal group, and the conductive terminal group is disposed on the insulation of the plug unit; and the second surface is provided with a second opening at the other end of the accommodating space. In the body, the conductive terminal group is provided with a conductive terminal, the conductive terminal is electrically connected to the pin, and an end of the insulating body of the plug unit remote from the pin is provided with a jack, and the conductive terminal corresponds to the jack. The telescopic plug device according to claim 1, wherein a positioning mechanism is provided between the housing and the plug unit, so that the plug unit is positioned when it is extended to a predetermined position. The telescopic plug device according to claim 2, wherein the positioning mechanism is a stopper, the stopper is movably disposed on the housing, and the stopper is provided with a groove along the groove. The extension direction of the telescopic plug device extends, a stop surface is formed on one side of the stopper, and a convex portion is provided on the outer periphery of the insulating body of the plug unit. When the groove of the stopper corresponds to the convex portion, The plug unit can be extended or retracted freely. When the plug unit is extended to a predetermined position, the stopper can be pushed to stop the stop surface of the stopper to position the convex portion. The telescopic plug device according to claim 1, wherein the insulating body is provided with a first receiving slot corresponding to the pin, for receiving the folded pin. The telescopic plug device according to claim 1, wherein the housing is provided with a ground terminal, the ground terminal extends into the accommodation space, the plug unit is provided with a grounding member, and the grounding member is exposed to the insulating body The ground terminal is in contact with the grounding element. The telescopic plug device according to claim 5, wherein the ground terminal has a fixing portion, a first contact portion, and a second contact portion, and the fixing portion is fixed to the housing, the first contact portion, and the second contact portion. The contact portion extends from both ends of the fixing portion, the first contact portion extends into the accommodation space, and the second contact portion is in sliding contact with the grounding member. The telescopic plug device according to claim 1, wherein the plug unit is provided with a ground terminal, the ground terminal is columnar, and the ground terminal can be erected at one end of the plug unit, and the ground terminal is pivoted on The insulating body enables the ground terminal to be rotated and folded. The telescopic plug device according to claim 7, wherein the insulating body is provided with a second receiving slot corresponding to the ground terminal, for receiving the folded ground terminal. The telescopic plug device according to claim 1, wherein an inner edge of the accommodating space is provided with a guide groove extending along a plugging direction of the telescopic plug device, and an outer edge of the insulating body of the plug unit is provided A guide rail extending along a plugging direction of the telescopic plug device.