CN211265768U - British standard plug and power adapter - Google Patents

Abstract

The utility model relates to a british standard plug and contain power adapter of this british standard plug. The British standard plug comprises a shell and pins; the base pin comprises a ground wire base pin, a live wire base pin and a zero wire base pin which are arranged on the shell, the shell comprises a first cavity arranged on the side of the ground wire base pin, and the ground wire base pin is arranged in the first cavity in a telescopic mode. When the plug is powered on for use, the ground wire pin can extend out of the first cavity, so that the distance between the ground wire pin and other pins is increased, and the requirement of the pin safety size standard is met. And in the process of carrying or packaging, the ground wire pin can be compressed and collected into the first cavity, so that the overall size of the plug is reduced, the size is reduced, the carrying and packaging can be facilitated, and meanwhile, the overall attractiveness of the plug can be enhanced.

Description

British standard plug and power adapter

Technical Field

The utility model relates to an electrical equipment and accessory field especially relate to a british standard plug and power adapter.

Background

British Standard plug (BS plug for short), which is a power plug with British Standard as reference Standard, includes three pins, corresponding to three poles "E, L, N", E (Earth) is ground, L (live) is live, and N (null) is neutral. Common uk standards in the market are BS1363, BS546, BS5733 etc. which specify the standards a plug product must comply with to enter the uk. The pin safety size of the english standard plug is required in the above standard, for example, in BS1363, the distance between each electrode pin and the edge of the plug are specified in the power-on operation. To meet the requirements of pin size specifications, current British standard plugs are relatively large in size. However, the plug is a necessity in the industrial and life aspects, and is widely used, and the relatively large size thereof causes inconvenience in carrying and packaging, and also affects the aesthetic degree of the plug.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to current english standard socket carry and pack, influence pleasing to the eye problem because of the great inconvenience of size simultaneously, provide an english standard plug and power adapter.

The utility model provides a technical scheme that its technical problem adopted is: the British standard plug is characterized by comprising a shell and pins; the base pin comprises a ground wire base pin, a live wire base pin and a zero wire base pin which are arranged on a shell, the shell comprises a first cavity arranged on the side of the ground wire base pin, and the ground wire base pin is telescopically arranged in the first cavity.

Preferably, the British standard plug further comprises a first control mechanism for controlling the extension and retraction of the ground pin in the first cavity; the first control mechanism comprises a guide groove and an elastic sheet, wherein the guide groove is arranged in the first cavity, the ground wire pin is L-shaped and comprises a transverse rod part and a vertical rod part, the transverse rod part is slidably arranged in the guide groove, the elastic sheet is arranged on the outer surface of the transverse rod part or on the inner surface of the guide groove, and the vertical rod part comprises an electrode.

Preferably, the cross bar portion is provided with grooves in the sliding direction at least on the two opposite side surfaces, respectively; the first control mechanism further comprises a stop block group arranged corresponding to the groove, the stop block group comprises two stop blocks, one of the two stop blocks is arranged near the end part of the cross rod part, and the other stop block is arranged on the inner surface of the guide groove or the inner surface of the first cavity of the shell.

Preferably, the british standard plug further comprises two movable blocks, the housing further comprises two second cavities respectively arranged on the live wire pin side and the zero wire pin side, and the two movable blocks are respectively arranged in the two second cavities in a telescopic manner.

Preferably, the British standard plug further comprises a second control mechanism for controlling the movable block to extend and retract in the second cavity; the second control mechanism comprises a clamping seat, a compressible part and a convex block; the clamping seat is arranged in the second cavity, the convex block is arranged at one end of the movable block, which extends into the second cavity, and is matched with the clamping seat, and the movable block is connected with the shell through the compressible part in the second cavity.

Preferably, the compressible member comprises a spring or a compression bar.

Preferably, the second control mechanism comprises a first gear and a second gear which are meshed with each other, the first gear is arranged on the inner surface of the second cavity, and the second gear is arranged on the outer surface of the movable block.

Preferably, the British standard plug comprises a linkage mechanism for controlling the ground pin and the movable block to be in linkage and expansion.

Preferably, the ground pin, the live pin and the neutral pin are fixed to the housing by screws, respectively, in the housing.

The utility model discloses still construct a power adapter, including above-mentioned arbitrary english standard plug.

Implement the utility model discloses following beneficial effect has: the utility model discloses a British standard plug is in last electricity use, and the ground wire is participated in and can be followed and stretch out in the first cavity for should participate in the distance increase of participating in other relatively, satisfied participating in ann rule size standard's requirement. And in the process of carrying or packaging, the ground wire pin can be compressed into the first cavity, so that the overall size of the plug is reduced, the size is reduced, the carrying and packaging can be facilitated, and the overall attractiveness of the plug can be enhanced.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a schematic diagram of an alternative british standard plug after compression of the ground pin in accordance with various embodiments of the present invention;

FIG. 2 is a schematic view of the British standard plug of FIG. 1 with the ground pin extended;

fig. 3 is an exploded view of the first embodiment of the english standard plug of the present invention;

FIG. 4 is an exploded view of the ground pin and channel of the British standard plug of FIG. 3;

fig. 5 is a schematic diagram of a british standard plug according to a second embodiment of the present invention after the movable block is compressed;

fig. 6 is a schematic view of the english standard plug of fig. 5 with the movable block extended.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "upper", "lower", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention, but do not indicate that the device or element referred to must have a specific direction, and thus, should not be construed as limiting the present invention.

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

Referring to fig. 1 and fig. 2 together, the present invention is a schematic diagram of an alternative british standard plug according to various embodiments of the present invention, where the british standard plug (hereinafter, may be simply referred to as plug) includes a housing 11 and pins 12; the pins 12 include a ground pin 121, a live pin 122 and a neutral pin 123, which are disposed on the housing 11, the housing 11 includes a first cavity (not shown) disposed on the side of the ground pin 121, and the ground pin 121 is telescopically disposed in the first cavity.

For the plug, during power-on use, the ground pin 121 can extend out of the first cavity, so that the distance between the ground pin and other pins is increased, and the requirement of the pin safety size standard is met. In the process of carrying or packaging, the ground wire pins 121 can be compressed and collected into the first cavity, so that the overall size of the plug is reduced, the size is reduced, the carrying and packaging can be facilitated, and meanwhile, the overall attractiveness of the plug can be enhanced.

Referring to fig. 3 and 4, in the first embodiment of the present invention, the plug further includes a first control mechanism for controlling the extension and contraction of the ground pin 121 in the first cavity. Wherein, the first control mechanism comprises a guide groove 131 and an elastic sheet 132; the guide slot 131 is disposed in the first cavity 111, the ground pin 121 is L-shaped and includes a rail portion 1211 and a stem portion 1212, the rail portion 1211 and the stem portion 1212 are not aligned and preferably perpendicular to each other, the rail portion 1211 is slidably disposed in the guide slot 131, the resilient tab 132 may be disposed on an outer surface of the rail portion 1211 or on an inner surface of the guide slot 131, for example, the resilient tab 132 in fig. 3 is formed by directly cutting the guide slot 131 into an inner cavity, and the stem portion 1212 includes an electrode. When the plug needs to be powered on for use, the ground pin 121 can slide out of the guide groove 131, and when the plug is pulled out for use, the ground pin 121 is pushed into the guide groove 131 in a sliding mode and is clamped in the guide groove 131 through the compression elastic sheet 132, so that the overall size of the plug is reduced.

In a specific embodiment of the first embodiment, the rail 1211 is provided with grooves 141 on at least two opposite side surfaces in the sliding direction, respectively, to facilitate the sliding of the ground pin 121 in the guide groove 131. Meanwhile, for each groove 141, the first control mechanism is further cooperatively provided with a set of stoppers, which includes two stoppers, one of which is disposed near the end of the rod 1211 (see the stopper 142 in the figure) and the other of which is disposed near the opening of the first cavity 111, such as on the inner surface of the guide groove 131 or on the inner surface of the housing (not shown in the figure), so that when the ground pin 121 is nearly extended out of the first cavity 111, the two stoppers are in contact engagement to prevent the ground pin 121 from falling off the housing. It should be understood that the above embodiments are only used as examples and are not intended to limit the present invention, and other structures for preventing the ground pin from falling off from the housing, which are adopted by the technical teaching of the present invention, are within the protection scope of the present invention.

Referring to fig. 5 and 6, in the second embodiment of the present invention, on the basis of the above-mentioned plug, besides the ground pin 221 in the plug 22 can extend and contract relative to the housing 21, the plug of the british standard in this embodiment further includes two movable blocks 231 and 232, the housing 21 further includes two second cavities (not shown in the figure) respectively disposed on the side of the live pin 222 and the side of the neutral pin 223, and the two movable blocks 231 and 232 are respectively telescopically disposed in the two second cavities.

For the British standard plug, during the power-on use of the plug, the two movable blocks 231,232 may extend from the second cavity (see FIG. 6), so that the distances between the live pin 222 and the neutral pin 223 with respect to the edge of the plug are increased, respectively, and the requirement of the pin safety size standard is met. In the process of carrying or packaging, the two movable blocks 231 and 232 can be respectively compressed and collected into the second cavity (see fig. 5), so that the overall size of the plug is reduced, the size is reduced, the carrying and packaging can be further facilitated, and the overall attractiveness of the plug is further enhanced.

In the above plug, the housing and the pins may be respectively the housing and the pins of a conventional english-standard plug, the movable blocks 231 and 232 may be of a flat plate structure or any suitable shape, and the movable blocks 231 and 232 may be made of the same material as the housing or may be made of other insulating lightweight materials, which are not listed here.

In a specific implementation of the second embodiment, the british standard plug further comprises a second control mechanism for controlling the extension and retraction of the movable blocks 231,232 in the second cavity. For example, the second control mechanism may include a cartridge, a compressible member, and a projection; wherein the clamping seat is arranged in the second cavity, and may, for example, be arranged near the opening of the second cavity, the protrusion is arranged at one end of the movable blocks 231,232 extending into the second cavity and cooperating with the clamping seat, the movable blocks 231,232 are connected with the housing 21 in the second cavity by a compressible member, which comprises a spring or a compression bar. Specifically, when the plug needs to be powered on for work, the movable blocks 231 and 232 extend out of the second cavity through the compression piece, and the protruding block is in clamping fit with the clamping seat to prevent the movable blocks 231 and 232 from falling off from the second cavity; when the plug is in a packaged or carried state, the movable blocks 231,232 can still be accommodated in the second cavity by disengaging the projection from the clamping seat through the compression piece.

For another example, the second control mechanism includes a first gear and a second gear that are engaged, the first gear being disposed on an inner surface of the second cavity, and the second gear being disposed on an outer surface of the movable block. During the process of pushing in or pulling out the movable block, the sliding movable block is engaged and fixed at a required position through the gear. In the process, the movable block can be fixed at a specific position as required, namely the length of the movable block extending out of the shell is adjustable, and then the overall size of the plug is adjustable, so that the use flexibility of the plug is enhanced.

Furthermore, a linkage mechanism can be arranged to control the ground pin to be in linkage with the movable block to stretch, for example, a gear linkage mechanism can be used to stretch the ground pin and simultaneously control the movable block to stretch, and vice versa, so that the size of the two parts can be changed through one operation, and the operation is simplified.

It should be known that, the ordinary skilled person in the art can adopt the flexible of any suitable control mechanism to control the movable block in the second cavity according to actual need, but no matter what kind of specific structure, as long as can realize that the movable block is flexible in the second cavity and change the size of a dimension of plug, then all be in the utility model discloses a protection scope.

In addition, in any of the above plugs, the ground pin, the live pin and the neutral pin are respectively fixed on the shell through screws in the shell, and the screw assembly mode is transferred from the outside to the inside of the shell, so that the screws cannot be seen from the outside of the plug, and the plug is more attractive.

The utility model discloses still relate to a power adapter, this power adapter contains foretell arbitrary english standard plug. Similarly, for the electric product, as long as the british standard plug according to the present invention is included, the present invention is within the protection scope.

It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (10)

1. The British standard plug is characterized by comprising a shell and pins; the base pin comprises a ground wire base pin, a live wire base pin and a zero wire base pin which are arranged on the shell, the shell comprises a first cavity arranged on the side of the ground wire base pin, and the ground wire base pin is telescopically arranged in the first cavity.

2. The british standard plug of claim 1, further comprising a first control mechanism for controlling the extension and retraction of the ground pin within the first cavity; first control mechanism includes guide slot and shell fragment, wherein, the guide slot is located in the first cavity, the ground wire is participated in for L shape and is included horizontal pole portion and montant portion, horizontal pole portion slidable locates in the guide slot, the shell fragment is located the surface of horizontal pole portion or locates the internal surface of guide slot, montant portion includes the electrode.

3. The english-style plug according to claim 2, wherein said crossbar portion is provided with grooves at least on two opposite side surfaces in the sliding direction, respectively; the first control mechanism further comprises a stop block group which is arranged corresponding to the groove, the stop block group comprises two stop blocks, one of the two stop blocks is arranged near the end part of the cross rod part, and the other stop block is arranged on the inner surface of the guide groove or the inner surface of the first cavity of the shell.

4. The english standard plug according to any one of claims 1 to 3, wherein said english standard plug further comprises two movable blocks, said housing further comprises two second cavities respectively provided on the live pin side and the neutral pin side, and said two movable blocks are respectively telescopically provided in said two second cavities.

5. The british standard plug of claim 4, further comprising a second control mechanism for controlling the extension and retraction of the movable block within the second cavity; the second control mechanism comprises a clamping seat, a compressible part and a convex block; the clamping seat is arranged in the second cavity, the convex block is arranged at one end of the movable block extending into the second cavity and matched with the clamping seat, and the movable block is arranged in the second cavity and connected with the shell through the compressible part.

6. The british standard plug of claim 5, wherein the compressible member comprises a spring or a compression bar.

7. The british standard plug of claim 6, wherein the second control mechanism comprises a first gear and a second gear in mesh, the first gear being disposed on an inner surface of the second cavity and the second gear being disposed on an outer surface of the movable block.

8. The british standard plug of claim 4, wherein the british standard plug comprises a linkage mechanism for controlling the extension and contraction of the ground pin and the movable block.

9. The british standard plug of claim 1, wherein the ground pin, the hot pin, and the neutral pin are secured to the housing by screws, respectively, within the housing.

10. A power adapter comprising the english-standard plug of any one of claims 1 to 9.

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