CN221552230U

CN221552230U - Dual-purpose plug

Info

Publication number: CN221552230U
Application number: CN202323207535.XU
Authority: CN
Inventors: 沈利和; 楼勤
Original assignee: Cixi Kyfen Electronics Co ltd
Current assignee: Cixi Kyfen Electronics Co ltd
Priority date: 2023-11-27
Filing date: 2023-11-27
Publication date: 2024-08-16
Anticipated expiration: 2033-11-27

Abstract

The utility model relates to a dual-purpose plug, which comprises a containing box; the two binding posts are arranged in the accommodating box; the pin is fixed relative to the corresponding binding post in the circumferential direction, and the part of each pin outside the accommodating box is of a flat structure; the transmission structure is arranged between the two pins or the two binding posts, so that the two pins can rotate to a first state that the flat structure is relatively parallel or a second state that the flat structure is inclined towards each other; the positioning piece can be detachably arranged in the accommodating box, and can prop against one of the binding posts and be positioned on the rotating path of the binding post. The utility model is only provided with one positioning piece which is abutted against one pin or the binding post, and the two pins can be positioned relatively only by positioning one pin or the binding post.

Description

Dual-purpose plug

Technical Field

The utility model relates to the technical field of power plugs, in particular to a dual-purpose plug.

Background

The plugs commonly used at present are two-pin plugs and three-pin plugs, which can be generally divided into two-pin parallel round-head plugs, two-pin parallel flat-head plugs and three-pin oblique flat-head plugs, and corresponding jacks are also arranged on sockets which are matched with the plugs. In actual use, the plug matched with the electric appliance is often not matched with the socket jack to be inserted, if the power plug of the electric appliance to be used is a two-pin flat plug, and the socket is only provided with a three-pin oblique flat jack, so that the electric appliance cannot be used, and a plurality of inconveniences are brought to daily life.

Aiming at the problems, the convenient conversion plug disclosed in Chinese patent publication No. CN200920116664.9 (bulletin No. CN 201383605Y) comprises a base, and an L-pole conductive inserting sheet, an N-pole conductive inserting sheet and a grounding conductive inserting sheet which are arranged on the base, wherein the lower part of the L-pole conductive inserting sheet is embedded and hooped on a first rotating column, and the lower part of the N-pole conductive inserting sheet is embedded and hooped on a second rotating column; the lower parts of the first rotating column and the second rotating column are respectively inserted on the base in a rotating way; the grounding conductive inserting piece is connected with a third rotating column, an opening matched with the grounding conductive inserting piece is formed in the peripheral wall of the third rotating column in an equal radian mode, the lower portion of the grounding conductive inserting piece is clamped in the opening and hinged with the third rotating column through a rotating positioning pin, and the lower end of the grounding conductive inserting piece is connected with a grounding connecting piece fixed in the third rotating column in a propped mode.

This patent be equipped with first column spinner matched with first reference column and with second column spinner matched with second reference column to carry out spacingly to the rotation angle of first column spinner and second column spinner, but every column spinner need correspond to set up a reference column, lead to the part that involves more.

Disclosure of utility model

The utility model aims to solve the technical problem of providing a dual-purpose plug capable of positioning two pins by only one positioning piece aiming at the current state of the art.

The technical scheme adopted for solving the technical problems is as follows: a dual-purpose plug comprises

A housing case;

The two binding posts are arranged in the accommodating box;

The pin is arranged in the accommodating box and is correspondingly connected with one binding post, the pin and the corresponding binding post are relatively fixed in the circumferential direction, and the part of each pin, which is positioned outside the accommodating box, is of a flat structure;

The transmission structure is arranged between the two pins or the two binding posts, so that the two pins can rotate to a first state that the flat structure is relatively parallel or a second state that the flat structure is inclined towards each other;

Characterized in that it also comprises

The positioning piece can be detachably arranged in the accommodating box, and can prop against one of the binding posts and be positioned on the rotating path of the binding post.

The transmission structure can have various structural forms, and preferably, the transmission structure comprises two gears which are arranged on the two pins in a one-to-one correspondence manner, the two gears are meshed, and the gears and the corresponding pins are relatively fixed in the circumferential direction. The gear transmission mode has compact structure and small occupied space.

Because the pin is partially positioned outside the accommodating box, the pin is required to pass through the accommodating box, and the pin is required to rotate relative to the accommodating box, the accommodating box is necessarily provided with a hole for the pin to pass through, but if the hole is not sealed, dust and the like are easy to enter the accommodating box, the transmission structure is arranged in the accommodating box, one side wall of the accommodating box is provided with two mounting holes, each gear is provided with a rotating sleeve coaxial with the gear, the rotating sleeve is correspondingly and rotatably inserted in one mounting hole, and the pin passes through the corresponding rotating sleeve. The rotating sleeve fills the mounting hole and plays a role in preventing dust from entering.

In order to enable the positioning piece to position the two pins in the first state or the second state, the positioning piece is provided with a vertical surface and an inclined surface, the binding post rotates around the axis of the corresponding gear, when the two pins are in the first state, the side wall surface of the binding post extends vertically and abuts against the vertical surface of the positioning piece, and when the two pins are in the second state, the side wall surface of the binding post extends obliquely and abuts against the inclined surface of the positioning piece.

The locating piece comprises a first part and a second part which are connected and arranged at intervals, a groove is formed between the first part and the second part, the vertical surface is arranged on the first part, the inclined surface is arranged on the second part, a slot which can be used for the first part or the second part to be detachably inserted is formed in the accommodating box, and the side wall of the accommodating box, which is positioned beside the slot, can be inserted into the groove. The slot of the accommodating box and the side wall at the side of the slot play a role in positioning the positioning piece, otherwise, the positioning piece can lose the positioning effect on the pins when being displaced.

Preferably, the binding post is provided with a jack for inserting the pin, the binding post is provided with a limit post, the extending direction of the binding post is perpendicular to the extending direction of the pin, one end of the limit post is positioned in the jack and abuts against the pin, and the binding post can move along the axial direction of the limit post. The wiring terminal can remove the wiring of being convenient for.

In the scheme, the limiting column is a screw, the limiting column is in threaded connection with the binding post, and the axial movement of the binding post along the limiting column can be realized by adjusting the connection depth of the limiting column and the binding post.

Preferably, the accommodating box is arranged in the mounting seat, and the pins partially penetrate out of the mounting seat and can rotate relative to the mounting seat. The mounting seat plays a role in protecting the accommodating box.

Because the locating piece needs to be disassembled when the use state of the two pins is regulated, the installation seat comprises a seat body and a cover plate, the installation groove is formed in the seat body, the accommodating box is arranged in the installation groove, and the cover plate is movably arranged on the seat body, so that the installation groove is opened or closed. When the positioning piece is required to be disassembled, the cover plate moves relative to the base body, the mounting groove is opened, and after the two pins are adjusted in place, the positioning piece is mounted, the cover plate is closed to the mounting groove.

In order to enable the cover plate to open or close the mounting groove, the seat body and the cover plate are detachably connected through a connecting piece, and the connecting piece can be a screw.

If the cover plate is directly taken down, the cover plate is easy to lose, the cover plate is also rotationally connected with a pin shaft arranged on the base body or the accommodating box, after the connecting piece is taken down, the cover plate is rotated, the mounting groove can be opened, and the base body and the cover plate are always connected, so that the cover plate is not easy to lose.

In order to improve the hand feeling when the plug is plugged and unplugged, the outer wall surface of the mounting seat is provided with convex ribs for increasing friction force, and the ribs can increase the friction force between the hands of a user and the surface of the mounting seat.

Compared with the prior art, the utility model has the advantages that: the two pins or the binding posts are connected through the transmission structure in a transmission way, namely one pin can rotate to drive the other pin to synchronously rotate, and similarly, when one pin cannot rotate, the other pin cannot rotate, so the pin positioning device is only provided with one positioning piece which abuts against one pin or the binding post, and the two pins can be relatively positioned only by positioning one pin or the binding post, so that the pin positioning device is fixed in a first state or a second state, and has a simple structure and few related parts;

When the two pins are in the first state, the socket of the two-pin flat head jack can be suitable, and when the two pins are in the second state, the socket of the three-pin oblique flat head jack can be suitable, namely the plug of the application can be used for two purposes, and has good universality; in addition, the terminal sets up in the holding box, and the holding box plays the restraint effect to the terminal, prevents that the terminal from dropping.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model (two pins in a first state);

FIG. 2 is a schematic view of the cover plate of FIG. 1 opened 90;

FIG. 3 is a schematic view of the cover plate of FIG. 1 opened 180;

FIG. 4 is an exploded view of FIG. 1 with the cover plate removed;

FIG. 5 is a schematic view of the positioning member in FIG. 4;

FIG. 6 is a schematic view of the structure of FIG. 5 in another direction;

Fig. 7 is a schematic view of the structure of fig. 4 in another direction (the housing box is only partially shown);

FIG. 8 is a cross-sectional view of FIG. 1 with the cover removed (post in a first position);

FIG. 9 is a cross-sectional view of FIG. 1 with the cover removed (post in a second position);

FIG. 10 is a schematic diagram of an embodiment of the present utility model (two pins in a second state);

FIG. 11 is a schematic illustration of the structure of FIG. 10 with the cover plate removed;

Fig. 12 is a cross-sectional view of fig. 10 with the cover removed (post in a first position).

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 12, the dual-purpose plug of the preferred embodiment includes a mounting base 1, a housing case 2, a terminal 3, pins 4, a transmission structure 5, and a positioning member 6.

As shown in fig. 4 and 8, two binding posts 3 are arranged in the accommodating box 2, two pins 4 are arranged in the accommodating box 2, each pin 4 is partially positioned in the accommodating box 2 and correspondingly connected with one binding post 3, the pins 4 and the corresponding binding post 3 are relatively fixed in the circumferential direction, and the part of each pin 4 positioned outside the accommodating box 2 is in a flat structure 41 in a flat shape.

The transmission structure 5 is provided between the two pins 4 or the two posts 3 so that the two pins 4 can be rotated to a first state in which the flat structures 41 are relatively parallel or a second state in which the flat structures 41 are inclined toward each other, as shown in fig. 1, and the flat structures 41 are relatively parallel, as shown in fig. 10, and the flat structures 41 are inclined toward each other.

As shown in fig. 7, in the present embodiment, the transmission structure 5 includes two gears 51 mounted on two pins 4 in a one-to-one correspondence, the two gears 51 are meshed, and the gears 51 and the corresponding pins 4 are relatively fixed in the circumferential direction.

The transmission structure 5 is arranged in the accommodating box 2, two mounting holes 21 are formed in one side wall of the accommodating box 2, a rotating sleeve 52 coaxial with the gear 51 is arranged on each gear 51, the rotating sleeve 52 is correspondingly and rotatably inserted in one mounting hole 21, the mounting holes 21 are filled with the rotating sleeve 52, and the effect of preventing dust from entering is achieved. The rotating sleeve 52 is provided with a bar-shaped hole 521, and the pin 4 is inserted into the bar-shaped hole 521 of the corresponding rotating sleeve 52, so that the pin 4 and the corresponding gear 51 synchronously rotate in the circumferential direction. In this embodiment, the gear 51 is manually shifted to rotate, however, the driving mechanism may be provided to drive the gear 51 to rotate.

The positioning piece 6 can be detachably arranged in the accommodating box 2, and the positioning piece 6 can be propped against one of the binding posts 3 and is positioned on the rotating path of the binding post 3. When the use state of the pin 4 needs to be changed, the positioning piece 6 is taken down, so that the transmission structure 5 works, after the pin 4 rotates in place, the positioning piece 6 is propped against the binding post 3, and the pin 4 cannot rotate under the condition that the positioning piece 6 is not taken down.

As shown in fig. 4 to 8, in this embodiment, the positioning member 6 includes a first portion 61 and a second portion 62 that are connected and disposed at intervals, a groove 63 is formed between the first portion 61 and the second portion 62, a vertical surface 64 is provided on the first portion 61, an inclined surface 65 is provided on the second portion 62, a slot 22 into which the first portion 61 or the second portion 62 can be detachably inserted is provided on the accommodating case 2, and a side wall of the accommodating case 2 located beside the slot 22 is used as a limiting wall 23, and the limiting wall 23 can be inserted into the groove 63. The slot 22 of the housing case 2 and the side wall located beside the slot 22 thus play a role in positioning the positioning member 6, otherwise the positioning member 6 would lose the positioning function for the pins 4 if displaced.

The terminal 3 rotates around the axis of the corresponding gear 51, as shown in fig. 8, when the two pins 4 are in the first state, the side wall surface of the terminal 3 extends vertically and abuts against the vertical surface 64 of the positioning member 6, and as shown in fig. 12, when the two pins 4 are in the second state, the side wall surface of the terminal 3 extends obliquely and abuts against the inclined surface 65 of the positioning member 6, so that the positioning member 6 can position the two pins 4 in the first state or the second state.

The position of the binding post 3 in this embodiment is adjustable so as to facilitate wiring, and is specifically realized by the following manner:

The terminal 3 has the jack 31 that supplies to participate in 4 male, and is equipped with spacing post 7 on the terminal 3, and spacing post 7 is the screw, and the extending direction of terminal 3 is mutually perpendicular with the extending direction of participating in 4, and spacing post 7 one end is located jack 31 and offsets with participating in 4, spacing post 7 and terminal 3 threaded connection, through adjusting spacing post 7 and terminal 3's coupling depth for terminal 3 can follow spacing post 7's axial displacement. As shown in fig. 8 and 9, the binding post 3 is matched with the limit post 7, so that the binding post 3 is positioned at different positions to facilitate wiring.

As shown in fig. 1 to 4, the accommodating box 2 is arranged in the mounting seat 1, and the pins 4 partially penetrate out of the mounting seat 1 and can rotate relative to the mounting seat 1. The mounting seat 1 is partially hollowed out, so that the mounting hole 21 of the accommodating box 2 can be exposed and the pins 4 can pass through.

The mounting seat 1 comprises a seat body 11 and a cover plate 12, a mounting groove 13 is formed in the seat body 11, the accommodating box 2 is arranged in the mounting groove 13, and the cover plate 12 is movably mounted on the seat body 11, so that the mounting groove 13 is opened or closed. When the positioning piece 6 needs to be disassembled, the cover plate 12 moves relative to the base 11, the mounting groove 13 is opened, and after the two pins 4 are adjusted in place, the positioning piece 6 is mounted, the cover plate 12 is closed to the mounting groove 13.

In this embodiment, the base 11 and the cover 12 are detachably connected by a connecting member 14, and the connecting member 14 may be a screw. In addition, the cover plate 12 is further rotatably connected with the pin shaft 15 provided on the base 11 or the accommodating box 2, so that after the connecting piece 14 is removed, the mounting groove 13 can be opened by rotating the cover plate 12, the base 11 and the cover plate 12 are always connected, and components are not easy to lose.

The outer wall surface of the mounting seat 1 is provided with the convex ribs 16 for increasing friction force, and the convex ribs 16 can increase friction force between a user hand and the surface of the mounting seat 1 and improve hand feeling when a plug is plugged and unplugged.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for purposes of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and because the disclosed embodiments of the present utility model may be arranged in different orientations, these directional terms are merely for illustration and should not be construed as limitations, such as "upper", "lower" are not necessarily limited to orientations opposite or coincident with the direction of gravity.

Claims

1. A dual-purpose plug comprises

A housing case (2);

Two binding posts (3) are arranged in the accommodating box (2);

The pin (4) is arranged in the accommodating box (2) and is correspondingly connected with one binding post (3), the pin (4) and the corresponding binding post (3) are relatively fixed in the circumferential direction, and the part of each pin (4) positioned outside the accommodating box (2) is of a flat structure (41) in a flat shape;

The transmission structure (5) is arranged between the two pins (4) or the two binding posts (3), so that the two pins (4) can rotate relative to the accommodating box (2) to a first state that the flat structures (41) are relatively parallel or a second state that the flat structures (41) are inclined towards each other;

Characterized in that it also comprises

The locating piece (6), locating piece (6) can be dismantled and locate on holding box (2), and locating piece (6) can offset with one of them terminal (3) and lie in the rotation route of this terminal (3).

2. The dual use plug of claim 1, wherein: the transmission structure (5) comprises two gears (51) which are arranged on the two pins (4) in a one-to-one correspondence manner, the two gears (51) are meshed, and the gears (51) and the corresponding pins (4) are relatively fixed in the circumferential direction.

3. The dual-purpose plug of claim 2, wherein: the transmission structure (5) is arranged in the accommodating box (2), two mounting holes (21) are formed in one side wall of the accommodating box (2), a rotating sleeve (52) coaxial with the gear (51) is arranged on each gear (51), the rotating sleeve (52) is correspondingly and rotatably inserted in one mounting hole (21), and the pins (4) penetrate through the corresponding rotating sleeve (52).

4. The dual-purpose plug of claim 2, wherein: the locating piece (6) is provided with a vertical surface (64) and an inclined surface (65), the binding post (3) rotates around the axis of the corresponding gear (51), when the two pins (4) are in a first state, the side wall surface of the binding post (3) vertically extends and abuts against the vertical surface (64) of the locating piece (6), and when the two pins (4) are in a second state, the side wall surface of the binding post (3) obliquely extends and abuts against the inclined surface (65) of the locating piece (6).

5. The dual use plug of claim 4, wherein: the locating piece (6) comprises a first part (61) and a second part (62) which are connected and arranged at intervals, a groove (63) is formed between the first part (61) and the second part (62), the vertical surface (64) is arranged on the first part (61), the inclined surface (65) is arranged on the second part (62), the accommodating box (2) is provided with a slot (22) which can be used for detachably inserting the first part (61) or the second part (62), and the side wall of the accommodating box (2) which is positioned beside the slot (22) can be inserted into the groove (63).

6. The dual use plug of claim 1, wherein: the wiring terminal (3) is provided with a jack (31) for inserting the pin (4), the wiring terminal (3) is provided with a limiting column (7), the extending direction of the wiring terminal (3) is perpendicular to the extending direction of the pin (4), one end of the limiting column (7) is positioned in the jack (31) and abuts against the pin (4), and the wiring terminal (3) can move along the axial direction of the limiting column (7).

7. The dual use plug of claim 6, wherein: the limiting column (7) is a screw, and the limiting column (7) is in threaded connection with the binding post (3).

8. A dual use plug according to any one of claims 1 to 7, wherein: the containing box (2) is arranged in the mounting seat (1), and the pins (4) partially penetrate out of the mounting seat (1) and can rotate relative to the mounting seat (1).

9. The dual-purpose plug of claim 8, wherein: the mounting seat (1) comprises a seat body (11) and a cover plate (12), wherein a mounting groove (13) is formed in the seat body (11), the accommodating box (2) is arranged in the mounting groove (13), and the cover plate (12) is movably mounted on the seat body (11) so as to open or close the mounting groove (13).

10. The dual-purpose plug of claim 9, wherein: the seat body (11) and the cover plate (12) are detachably connected through the connecting piece (14), and the cover plate (12) is also rotationally connected with a pin shaft (15) arranged on the seat body (11) or the accommodating box (2).