CN115051184A

CN115051184A - Charging plug with conversion head

Info

Publication number: CN115051184A
Application number: CN202210897647.3A
Authority: CN
Inventors: 朱灿
Original assignee: Shenzhen Desar Technology Co ltd
Current assignee: Shenzhen Desar Technology Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-09-13

Abstract

The application discloses take charging plug of crossover sub, belong to plug technical field, it includes two first wires, second wire and casing, first inserted sheet is installed to first wire one end, the second inserted sheet is installed to second wire one end, two first inserted sheet symmetries are rotated and are set up in the casing, the pivot is installed to second inserted sheet one end, the holding tank has been seted up to casing one side, the pivot both ends are rotated the both sides wall that sets up at the holding tank respectively, the rotation center line of second inserted sheet is mutually perpendicular with the rotation center line of first inserted sheet, install drive assembly between the both ends of pivot and the first inserted sheet that corresponds the side, when rotating the second inserted sheet and rotating to length direction and being parallel with first inserted sheet length direction, two first inserted sheets and second inserted sheet form the three plugs with three socket looks adaptations. This application is when using, can two sockets of adaptation and three sockets, and has the characteristics that two plugs and three plugs are convenient for convert and reduce the inserted sheet material, reaches the effect that improves charging plug suitability and cost.

Description

Charging plug with conversion head

Technical Field

The application relates to the technical field of plugs, in particular to a charging plug with a conversion head.

Background

The charging plug is generally divided into a three-plug with three inserting pieces and a two-plug with two inserting pieces, the three-plug is provided with one more inserting piece compared with the two-plug, and the inserting piece is used for connecting a ground wire, so that the safety of the plug is improved. In some high power appliances, three plugs are typically used.

In real life, at least the following problems exist in the charging plug technology: the pre-installed sockets all contain a certain amount of two-socket holes and three-socket holes, and the charging plugs on the electrical appliances are often fixed three plugs or two plugs, so that the electrical appliances cannot be used under the condition that the corresponding socket holes are insufficient, and further improvement is needed.

Disclosure of Invention

In order to enable the charging plug to be matched with the two-head socket hole and the three-head socket hole simultaneously, the application provides the charging plug with the conversion head.

The application provides a take charging plug of conversion head adopts following technical scheme:

a charging plug with a conversion head comprises two first leads respectively connected with a zero line and a live line, a second lead of a grounding wire and a shell, one end of the first lead is provided with a first inserting sheet, one end of the second lead is provided with a second inserting sheet, the two first inserting sheets are symmetrically and rotatably arranged in the shell, one end of the second inserting piece is provided with a rotating shaft, one side of the shell is provided with a containing groove, two ends of the rotating shaft are respectively and rotatably arranged on two side walls of the containing groove, the rotating center line of the second inserting piece is vertical to the rotating center line of the first inserting piece, a transmission component is arranged between the two ends of the rotating shaft and the first inserting piece at the corresponding side, when the second inserting sheet is rotated to the length direction and is parallel to the length direction of the first inserting sheet, the first inserting sheet and the second inserting sheet form a three-plug matched with three sockets.

Through adopting above-mentioned technical scheme, rotate the second inserted sheet to drive two first inserted sheets through drive assembly and rotate, make two first inserted sheets and second inserted sheet form the position that accords with three socket holes, realize that two plugs convert three plugs into, rotate the second inserted sheet and get back to in the casing, realize that three plugs convert two plugs into, the ingenious and operation of being convenient for of structure, because the first inserted sheet of sharing in the conversion process, consequently, the inserted sheet is with low costs, and economic benefits is higher.

Preferably, the transmission assembly comprises first bevel gears arranged at two ends of the rotating shaft, two second bevel gears meshed with the first bevel gears are symmetrically installed and correspond to the sides in a rotating mode, first straight gears are coaxially installed on the second bevel gears, and second straight gears meshed with the first straight gears are installed on the second inserting pieces.

Through adopting above-mentioned technical scheme, the pivot is rotated and is driven first bevel gear and rotate, thereby it rotates to drive second bevel gear, it rotates to drive first inserted sheet under the transmission of first straight-teeth gear and second straight-teeth gear, this structure can be convenient for change direction of drive and be convenient for adjust drive ratio, make first inserted sheet rotate after predetermineeing the angle, the second inserted sheet also can rotate another and predetermine the angle, make first inserted sheet and second inserted sheet accord with standard position, improve the position accuracy of inserted sheet in two plugs and the three plugs after the conversion, stability and overall structure's fastness.

Preferably, a cylinder jacket is fixedly arranged outside the first inserting sheet, and the cylinder jacket is rotatably arranged in the shell.

By adopting the technical scheme, the cylindrical envelope can improve the rotation stability of the first inserting piece, can also seal the internal structure of the shell and improve the dustproof and waterproof performance; and simultaneously, the outer surface of the shell can be more beautiful.

Preferably, install the torsional spring between the both ends of pivot and the casing, the pivot outside is provided with the card post, the draw-in groove that supplies the embedding of card post is seted up to second inserted sheet one end, casing one side slidable mounting has the shielding piece, the shielding piece with be provided with the elastic component between the casing.

Through adopting above-mentioned technical scheme, the torsional spring carries on spacingly with the pivot both ends, makes the second inserted sheet keep inside the casing, when needs convert two inserted sheets into three inserted sheets, imbeds the second inserted sheet on the card post of pivot, overcomes the torsion rotation pivot of torsional spring, makes the second inserted sheet rotate to stretch out in the casing and parallel with first inserted sheet when, shelters from the position of piece restriction second inserted sheet through sliding, realizes that two plugs convert three plugs into, and easy operation is convenient for vast users to use.

Preferably, the clamping column is arranged in a bending mode, and the cross section of the middle of the rotating shaft is hexagonal.

Through adopting above-mentioned technical scheme, the card post of buckling can improve the joint steadiness, and the relative rotation of second inserted sheet and pivot can be reduced in hexagonal pivot, and the direction of the second inserted sheet of also being convenient for is pegged graft.

Preferably, a conducting ring is installed at one end of the second lead, and the conducting ring is rotatably installed on one side, close to the clamping groove, of the second inserting piece.

Through adopting above-mentioned technical scheme, the relative second inserted sheet of conducting ring rotates the setting, can improve the flexibility between second wire and the second inserted sheet, reduces the second inserted sheet and rotates the in-process and buckle too big and lead to the condition of second wire and the connection fracture or the disconnection of second inserted sheet easily with the second wire.

Preferably, the wire containing groove is formed in the outer side of the shell, one end, away from the conducting ring, of the second wire is wound in the wire containing groove, and the second inserting piece is close to one side of the clamping groove and provided with the protective sleeve.

Through adopting above-mentioned technical scheme, set up line containing groove and protective sheath, can take out the second inserted sheet and peg graft in the ground wire connecting hole of another socket hole, improve the flexibility that the second inserted sheet used.

Preferably, the sucking disc is installed to one side that the casing is close to first inserted sheet embedding socket, the casing is inside seted up with the aspirating hole of sucking disc intercommunication, the aspirating hole slides and is provided with the piston piece, the piston piece is kept away from sucking disc one end is rotated and is connected with the regulation pole in the threaded connection casing.

Through adopting above-mentioned technical scheme, rotate the regulation pole, can adjust the inside pressure of sucking disc to make the firm absorption of sucking disc on socket shell, make the firm installation of plug, reduce the easy not hard up condition of plug.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the rotating shaft, the transmission component, the first inserting piece and the second inserting piece are mounted, and the second inserting piece is rotated to extend out of the shell and be parallel to the first inserting piece, so that the two plugs are converted into three plugs, the adaptability of the plugs is improved, the structure is ingenious, the operation is simple, and the manufacturing cost is low;

2. through setting up card post, conducting ring and seting up line containing groove and draw-in groove, can just with the installation with dismantle the second inserted sheet, make the second inserted sheet can take out alone and insert to near in the ground line hole in three socket holes, long or three socket holes are taken up by two plugs etc. under the circumstances not enough at the wire, can not need to extract two plugs and change, improve the convenient to use nature of plug.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment of the present application in a two-plug state;

FIG. 2 is a schematic view of a second insert mounting arrangement in an embodiment of the present application;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic structural diagram of a housing in an embodiment of the present application;

fig. 5 is a schematic view of the overall structure of the three-plug state in the embodiment of the present application;

FIG. 6 is a schematic sectional view of a suction cup mounting structure in an embodiment of the present application.

Description of reference numerals:

1. a first conductive line; 10. a first tab; 101. a cylindrical envelope; 2. a second conductive line; 20. a second insert; 21. a rotating shaft; 22. a transmission assembly; 221. a first bevel gear; 222. a second bevel gear; 223. a first straight gear; 224. a second spur gear; 3. a housing; 30. accommodating grooves; 4. a torsion spring; 40. clamping the column; 41. a card slot; 42. a shielding sheet; 43. an elastic member; 44. conducting rings; 45. a wire accommodating groove; 5. a suction cup; 50. an air exhaust hole; 51. a piston block; 52. and adjusting the rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-6 of the specification.

The embodiment of the application discloses a charging plug with a conversion head.

Referring to fig. 1-2, the charging plug with a switching head includes two first conductive wires 1, one second conductive wire 2, and a housing 3. One end of each of the two first wires 1 is connected with a first insertion piece 10, and the two first wires 1 are inserted into holes corresponding to the zero line and the live line in the socket through the first insertion pieces 10, so that the two first wires 1 are respectively electrically connected with the corresponding zero line and the corresponding live line. The second inserted sheet 20 is installed to the one end of second wire 2, and second wire 2 passes through second inserted sheet 20 and pegs graft in the hole that ground wire corresponds in the socket, makes second wire 2 and the ground wire electricity that corresponds be connected. The outer sides of one ends of the two first inserting pieces 10 are fixedly provided with a cylinder jacket 101, the cylinder jacket 101 is rotatably arranged inside the shell 3, one side of the cylinder jacket 101 is flush with the outer surface of the shell 3, and the two first inserting pieces 10 are symmetrically rotatably arranged in the shell 3 so as to adjust the angle of the first inserting pieces 10. The two first insertion pieces 10 are far away from one end of the shell 3 and used for being inserted into a socket.

Holding tank 30 has been seted up at the middle part of casing 3 one side, and pivot 21 is installed to second inserted sheet 20 one end, and the both ends of pivot 21 are rotated respectively and are installed in the both sides wall of holding tank 30. Wherein, the rotation center line of first inserted sheet 10 parallels with self length direction, and the rotation center line of second inserted sheet 20 is mutually perpendicular with the rotation center line of first inserted sheet 10 to can make second inserted sheet 20 after rotating, can be parallel with first inserted sheet 10 better, guarantee the stability of the use around rotating.

A transmission component 22 is installed between the two ends of the rotating shaft 21 and the first insertion pieces 10 on the corresponding side, that is, the transmission component 22 is installed between the two ends of the rotating shaft 21 and the cylindrical envelope 101 on the corresponding side, so that when the second insertion pieces 20 are rotated to the length direction parallel to the length direction of the first insertion pieces 10, the two first insertion pieces 10 and the second insertion pieces 20 form a three-plug shape adapted to three sockets (see fig. 5). Therefore, the two-plug can be easily converted into the three-plug or the three-plug can be easily converted into the two-plug to be matched with different sockets.

Referring to fig. 2, preferably, the driving assembly includes first bevel gears 221 symmetrically installed at both ends of the rotation shaft 21, and the tooth surfaces of the first bevel gears 221 face away from the center of the rotation shaft 21. Two sides of the shell are symmetrically provided with accommodating cavities, the inner wall of each cavity is rotatably provided with a second bevel gear 222 through a shaft, and the second bevel gears 222 are meshed with the first bevel gears 221 on the corresponding sides. A first straight gear 223 is coaxially arranged on one side of the second bevel gear 222 close to the first insert 10, a second straight gear 224 is arranged on one end of each of the two second inserts 20 close to the second bevel gear 222, and the second straight gear 224 is meshed with the first straight gear 223 on the corresponding side.

When two plugs need to be converted into three plugs, the second inserting piece 20 is rotated, the first bevel gears 221 on two sides are driven to rotate through the rotating shaft 21, so that the second bevel gear 222 and the first straight gear 223 are driven to synchronously rotate, the second straight gear 224 is driven to rotate, and the first inserting piece 10 fixedly connected with the second straight gear 224 also rotates along with the second inserting piece. By adjusting the transmission ratio between the first bevel gear 221 and the second bevel gear 222 and the transmission ratio between the first straight gear 223 and the second straight gear 224, after the three plugs are converted, the two first inserting pieces 10 are turned outwards by a preset angle, so that the two first inserting pieces 10 and the second inserting piece 20 form a three-plug matched with the three-plug socket hole. Through above-mentioned transmission structure, not only can guarantee the accuracy of drive ratio, the three plug structures that still can make the formation support the linkage each other, and is whole more stable.

Referring to fig. 3 and 4, preferably, a torsion spring 4 is installed between two ends of the rotating shaft 21 and the housing 3, the middle part of the torsion spring 4 is sleeved on the rotating shaft 21, one elastic end is installed on the rotating shaft 21, and the other elastic end is installed inside the housing 3, so that the rotating shaft 21 is kept at an initial position where the whole is in a two-plug state. The cross section at the middle part of pivot 21 personally submits the hexagon, card post 40 is installed in the outside of pivot 21, the middle part of card post 40 is buckled and is set up, draw-in groove 41 has been seted up to second inserted sheet 20 one end, draw-in groove 41 is the echelonment, and first echelonment groove shape and pivot 21 middle part one side looks adaptation, second echelonment groove shape and card post 40 looks adaptation, when second inserted sheet 20 imbeds in pivot 21 middle part, card post 40 imbeds in draw-in groove 41 to this is connected between second inserted sheet 20 and the pivot 21 of stabilizing. A shielding piece 42 is slidably mounted on one side of the housing 3, an elastic piece 43 is arranged between the shielding piece 42 and the housing 3, the elastic piece 43 is a coil spring, and the height difference of the two sides of the accommodating groove 30 is the same as the thickness of the shielding piece 42. The elastic member 43 can keep the shielding piece 42 covering the receiving groove 30, thereby shielding the second inserting piece 20.

When the second inserting piece 20 needs to be rotated, the shielding piece 42 slides open, when the second inserting piece 20 rotates to extend out of the shell 3 and is parallel to the first inserting piece 10, the shielding piece 42 is loosened, the shielding piece 42 shields the opening of the accommodating groove 30, the position of the second inserting piece 20 is limited, and the whole structure forms a stable three-plug. The limiting structure is simple to operate, convenient to use for a user and more stable and reliable in whole.

Referring to fig. 3-5, preferably, a conductive ring 44 is mounted at one end of the second conductor 2, and the conductive ring 44 is rotatably mounted on a side of the second insertion piece 20 close to the slot 41 to facilitate the relative rotation between the second insertion piece 20 and the second conductor 2. The protective sheath is all installed to one side both ends position that second inserted sheet 20 is close to draw-in groove 41, and the protective sheath is insulating material. The outer side of one end, far away from the first inserting piece 10, of the shell 3 is provided with a wire containing groove 45, one end, far away from the conducting ring 44, of the second wire 2 is wound in the wire containing groove 45 and finally converged with the first wire 1, the end face, far away from the first inserting piece 10, of the shell 3 after the first wire 1 and the second wire 2 are converged stretches out and is provided with a butt joint connected with corresponding electric equipment in an inserting mode, and a protective wire sleeve is sleeved on the butt joint, so that the plug is electrically connected with the corresponding electric equipment.

Through the structure, when the socket is provided with only two socket holes, and the three socket holes on the partition wall are occupied by two plugs of other electrical appliances, the positions of the two plugs of other electrical appliances and the plug can be exchanged without being pulled out, only the second inserting piece 20 in the embodiment needs to be pulled out, and the second inserting piece 20 is inserted into the occupied ground wire hole of the three socket holes by holding the protective sleeve by hand to realize the connection of the ground wire. Therefore, the embodiment has more flexible and convenient plug insertion modes and is suitable for more use occasions.

Referring to fig. 6, for some plugs inserted into the socket for a long time, the stability of the plug inserted into the socket needs to be ensured, and the suction cups 5 may be installed on an end surface of the housing 3 near the first insertion piece 10 inserted into the socket, the number of the suction cups 5 is determined according to actual requirements, and the suction cups 5 of this embodiment are provided with four suction cups and are uniformly distributed on the side of the housing 3. An air suction hole 50 communicated with the suction disc 5 is formed in the shell 3, a piston block 51 is arranged in the air suction hole 50 in a sliding mode, and the piston block 51 slides in a sealing mode with the inner wall of the air suction hole 50. An adjusting rod 52 is rotatably arranged at one end of the piston block 51 far away from the suction cup 5, and the adjusting rod 52 is threadedly arranged at one end of the suction hole 50 far away from the suction cup 5. The end of the adjustment rod 52 remote from the piston block 51 may be provided with a cross-hole, a straight hole, a hexagonal hole, or the like, to facilitate rotation of the adjustment rod 52 with a tool. The piston block 51 can be far away from the suction cup 5 by rotating the adjusting rod 52, so that the air pressure inside the suction cup 5 becomes smaller, and the air pressure can firmly press the suction cup 5 on the surface of the socket, thereby improving the stability of the plug.

In this embodiment, after the two-plug and the three-plug are converted for many times, if some loose conditions are generated, the plug connection between the plug and the socket is not stable, the plug can be reinforced through the suction and adhesion of the suction cup 5, and the connection stability between the plug and the socket is improved.

The implementation principle of the charging plug with the conversion head in the embodiment of the application is as follows: when the two plugs are required to be converted into the three plugs, the shielding piece 42 is slid open, the second inserting piece 20 is rotated to enable the second inserting piece 20 to extend out of the shell 3 to be parallel to the first inserting piece 10, the first inserting piece 10 is also turned outwards by a preset angle, then the shielding piece 42 is released, and the shielding piece 42 limits the position of the second inserting piece 20, so that the state of the three plugs is formed. When the three-plug is required to be converted into the two-plug, the shielding piece 42 is slid open, the second inserting piece 20 rebounds to the inside of the accommodating groove 30 under the action of the elastic force of the torsion spring 4, the first inserting piece 10 is also turned inwards to be in a parallel state, and then the shielding piece 42 is released, so that the opening position of the accommodating groove 30 is covered, and the two-plug state is formed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a take charging plug of crossover sub, includes two first wires (1), the second wire (2) and casing (3) of earth connection that connect zero line and live wire respectively, its characterized in that: a first inserting piece (10) is installed at one end of the first lead (1), a second inserting piece (20) is installed at one end of the second lead (2), the two first inserting pieces (10) are symmetrically and rotatably arranged in the shell (3), one end of the second inserting piece (20) is provided with a rotating shaft (21), one side of the shell (3) is provided with a holding groove (30), two ends of the rotating shaft (21) are respectively and rotatably arranged on two side walls of the accommodating groove (30), the rotation center line of the second inserting sheet (20) is vertical to the rotation center line of the first inserting sheet (10), a transmission component (22) is arranged between the two ends of the rotating shaft (21) and the first inserting pieces (10) at the corresponding side, when the second inserting sheet (20) is rotated to the length direction which is parallel to the length direction of the first inserting sheet (10), the two first inserting pieces (10) and the second inserting pieces (20) form a three-plug matched with a three-socket.

2. A charging plug with a switching head as claimed in claim 1, wherein: the transmission assembly (22) is including installing first bevel gear (221) at pivot (21) both ends, casing (3) bilateral symmetry rotate install with correspond the side second bevel gear (222) of first bevel gear (221) meshing, second bevel gear (222) coaxial arrangement has first straight-teeth gear (223), second inserted sheet (20) install with second straight-teeth gear (224) of first straight-teeth gear (223) meshing.

3. A charging plug with a switching head as claimed in claim 1, wherein: a cylinder jacket (101) is fixedly arranged outside the first inserting piece (10), and the cylinder jacket (101) is rotatably arranged in the shell (3).

4. A charging plug with a switching head as claimed in claim 1, wherein: install torsional spring (4) between the both ends of pivot (21) and casing (3), pivot (21) outside is provided with card post (40), draw-in groove (41) that supply card post (40) embedding are seted up to second inserted sheet (20) one end, casing (3) one side slidable mounting has shielding piece (42), shielding piece (42) with be provided with elastic component (43) between casing (3).

5. The charging plug with the switching head as set forth in claim 4, wherein: the clamping column (40) is arranged in a bending mode, and the cross section of the middle of the rotating shaft (21) is hexagonal.

6. The charging plug with the switching head as set forth in claim 4, wherein: conducting ring (44) is installed to second wire (2) one end, conducting ring (44) rotate to be installed second inserted sheet (20) are close to draw-in groove (41) one side.

7. The charging plug with the switching head as set forth in claim 6, wherein: wire holding groove (45) have been seted up in casing (3) outside, conducting ring (44) one end winding is kept away from in wire holding groove (45) in second wire (2), second inserted sheet (20) are close to protective sheath is installed to draw-in groove (41) one side.

8. A charging plug with a switching head as claimed in claim 1, wherein: sucking disc (5) are installed to one side that casing (3) are close to first inserted sheet (10) embedding socket, casing (3) inside seted up with aspirating hole (50) of sucking disc (5) intercommunication, aspirating hole (50) slide and are provided with piston block (51), piston block (51) are kept away from sucking disc (5) one end is rotated and is connected with regulation pole (52) in threaded connection casing (3).