A rotary adapter

Abstract

The utility model discloses a kind of rotary adapters, including adapter body and control circuit board and transformer installed in adapter body, adapter body includes first shell and second shell and third shell, first shell one end is rotatably connected with second shell one end, third shell one end is rotatably connected with second shell one end, first shell and second shell and third shell coaxial rotation setting, first shell and second shell and third shell are all equipped with USB interface, transformer is fixedly installed in first shell, control circuit board includes 3, respectively in first shell and second shell and third shell, 3 control circuit boards are all electrically connected with transformer, first shell is equipped with plug in the second shell one end away, transformer is electrically connected with plug.The technical scheme of the utility model can realize that multiple people charge simultaneously, and it is convenient to adjust USB interface on second shell and third shell to suitable angle and then insert charging wire to charge.

Description

Technical Field

[0001] This utility model relates to the field of adapters, and in particular to a rotary adapter. Background Technology

[0002] With the widespread use of digital electronic products, almost everyone owns a mobile phone and tablet in their daily life and work. However, the chargers currently used by people have relatively limited functions and can generally only charge one device at a time. Therefore, in order to meet people's different needs, they often have to buy multiple chargers, which results in economic waste and takes up space.

[0003] In addition, most current multi-port chargers have their charging ports facing the same direction and cannot be adjusted. When multiple people are charging at the same time, users in different positions need to insert their charging cables into the charging ports facing the same direction. This can result in some users having insufficient charging cable length and inconvenience in plugging in their charging cables. Utility Model Content

[0004] The main objective of this invention is to provide a rotary adapter, which aims to solve the technical problems in the background art.

[0005] To achieve the above objectives, this utility model proposes a rotary adapter, comprising an adapter body and a control circuit board and a transformer installed within the adapter body. The adapter body includes a first housing, a second housing, and a third housing. One end of the first housing is rotatably connected to one end of the second housing, and one end of the third housing is rotatably connected to one end of the second housing. The first housing, the second housing, and the third housing are coaxially rotatably arranged. Each of the first housing, the second housing, and the third housing is provided with a USB interface. The transformer is fixedly installed inside the first housing. The control circuit board includes three components, respectively disposed inside the first housing, the second housing, and the third housing. All three control circuit boards are electrically connected to the transformer. A plug is provided at the end of the first housing opposite to the second housing, and the transformer is electrically connected to the plug.

[0006] Preferably, the upper end of the first housing is provided with a first rotating column, the first rotating column is provided with an annular retaining ring, the lower end of the second housing is provided with a first rotating groove, and the second housing is provided with an annular retaining groove matching the annular retaining ring on the periphery of the first rotating groove. The first rotating column and the first rotating groove are rotatably connected and the annular retaining ring is embedded in the annular retaining groove.

[0007] Preferably, the first rotating column has a connecting groove, which is connected to the inside of the first housing, and the first rotating groove is connected to the inside of the second housing.

[0008] Preferably, the upper end of the second housing is fixedly provided with a second rotating column at the position corresponding to the first rotating groove, the lower end of the third housing is provided with a second rotating groove, the second rotating column is embedded in the second rotating groove, the second rotating column is provided with an opening, the opening is connected to the first rotating groove, and the second rotating groove is connected to the interior of the third housing.

[0009] Preferably, both the first rotating column and the second rotating column are fitted with elastic damping rings.

[0010] Preferably, the lower end of the first housing has two parallel elongated grooves, the plug includes two electrical terminals, and each electrical terminal has a rotating shaft on one side of its opposite side. The first housing has a third rotating groove on each side of the elongated groove, the two electrical terminals are respectively embedded in the elongated groove, and the rotating shafts are respectively embedded in the third rotating groove.

[0011] Preferably, the first housing has a mounting groove on one side of the elongated groove, a torsion spring is provided in the mounting groove, the rotating shaft near the mounting groove extends into the mounting groove and is inserted into the torsion spring, the rotating shaft has a fixing hole, one end of the torsion spring is inserted into the fixing hole, and the other end of the torsion spring abuts against the bottom of the mounting groove, and the first housing is provided with a snap-fit ​​assembly for snapping and fixing the rotating shaft.

[0012] Preferably, the snap-fit ​​assembly includes an elastic snap-fit ​​plate, a release post, and a spring. One end of the elastic snap-fit ​​plate is fixedly connected to the rotating shaft and abuts against the side wall of the mounting groove. A snap-fit ​​block is fixedly provided at one end of the elastic snap-fit ​​plate near the side wall of the mounting groove. The first housing has a slot corresponding to the snap-fit ​​block on the side wall of the mounting groove. The first housing has a through hole communicating with the mounting groove. The spring is installed in the through hole and one end is fixedly connected to the first housing. The release post is inserted into the through hole and abuts against the elastic snap-fit ​​plate. The other end of the spring is fixedly connected to the release post. When the elastic snap-fit ​​plate rotates to a preset position, the snap-fit ​​block snaps into the through hole and is fixed.

[0013] The technical solution of this utility model has the following beneficial effects: The technical solution of this utility model achieves free rotation between the first shell and the second shell by rotating the first shell and the second shell and the third shell, and provides a USB interface on each shell, so that multiple people can charge at the same time. It is also convenient to adjust the USB interface on the second shell and the third shell to a suitable angle before inserting the charging cable for charging. The three control circuit boards are respectively set in the first shell, the second shell and the third shell, which can control the heat generated by the circuit boards to be dispersed and prevent the heat from being concentrated in one shell. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the overall structure of a rotary adapter according to an embodiment of the present invention; Figure 2 This is an exploded view of a rotary adapter according to an embodiment of the present invention; Figure 3 This is another exploded view of a rotary adapter according to an embodiment of the present invention; Figure 4 This is a schematic diagram of the snap-fit ​​assembly structure of a rotary adapter according to an embodiment of the present invention; Figure 5 This is a schematic diagram of the power connection post structure of a rotary adapter according to an embodiment of the present invention; Figure 6 This is a schematic diagram of the mounting slot structure of a rotary adapter according to an embodiment of the present invention;

[0016] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings.

[0017] Reference numerals in the attached figures: 1. First housing; 2. Second housing; 3. Third housing; 4. USB interface; 5. Release post; 6. Power connection post; 7. Torsion spring; 8. Snap-fit ​​plate; 9. Rotating shaft; 10. Fixing hole; 11. Snap-fit ​​block; 12. Long groove; 13. Third rotating groove; 14. Mounting groove; 15. Through hole; 16. Snap-fit ​​groove; 17. First rotating post; 18. Annular snap ring; 19. First rotating groove; 20. Second rotating post; 21. Second rotating groove; 22. Connecting groove; 23. Opening. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0020] Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0021] This utility model proposes a rotary adapter.

[0022] like Figure 1 As shown, in one embodiment of this utility model, a rotary adapter includes an adapter body, a control circuit board, and a transformer installed inside the adapter body. The adapter body includes a first housing 1, a second housing 2, and a third housing 3. One end of the first housing 1 is rotatably connected to one end of the second housing 2, and one end of the third housing 3 is rotatably connected to one end of the second housing 2. The first housing 1, the second housing 2, and the third housing 3 are coaxially rotatably arranged. The first housing 1, the second housing 2, and the third housing 3 are all provided with USB interfaces 4. The transformer is fixedly installed inside the first housing 1. The control circuit board includes three pieces, which are respectively disposed inside the first housing 1, the second housing 2, and the third housing 3 and can be fixed by screws. All three control circuit boards are electrically connected to the transformer. The first housing 1 has a plug at the end opposite to the second housing 2, and the transformer is electrically connected to the plug.

[0023] In this embodiment, the first housing 1 and the second housing 2 are rotatably connected, as are the second housing 2 and the third housing 3, so that the first housing 1, the second housing 2 and the third housing 3 can rotate freely. A USB interface 4 is provided on each housing, so that multiple people can charge at the same time. It is also convenient to adjust the USB interface 4 on the second housing 2 and the third housing 3 to a suitable angle before inserting the charging cable for charging. The three control circuit boards are respectively set in the first housing 1, the second housing 2 and the third housing 3, which can control the heat generated by the circuit boards to disperse and prevent the heat from concentrating in one housing.

[0024] The coaxial rotation of the first housing 1, the second housing 2, and the third housing 3 can be achieved by rotating around the same rotating column, or by setting rotating structures between the first housing 1 and the second housing 2, as well as between the second housing 2 and the third housing 3, and keeping the position of the rotating shaft 9 of the rotating structures consistent.

[0025] Preferably, such as Figures 2 to 3As shown, the upper end of the first housing 1 is provided with a first rotating column 17, which is integrally formed with the first housing 1. The first rotating column is provided with an annular retaining ring 18, which is an annular protrusion. The lower end of the second housing 2 is provided with a first rotating groove 19. The second housing 2 is provided with an annular groove 16 matching the annular retaining ring 18 around the first rotating groove. The first rotating column is inserted into the first rotating groove and the annular retaining ring 18 is embedded in the annular groove 16, so that the first rotating column can rotate freely, thereby realizing the rotational connection between the first housing 1 and the second housing 2.

[0026] Preferably, such as Figure 3 As shown, a connecting groove 22 is provided on the first rotating column 17, so that the connecting groove 22 is connected to the inside of the first housing 1 and the first rotating groove is connected to the inside of the second housing 2, which facilitates the wiring of wires and the electrical connection of the control circuit board.

[0027] Preferably, such as Figure 2 As shown, a second rotating column 20 is fixedly provided at the upper end of the second housing 2 at the position corresponding to the first rotating groove 19. The position of the second rotating column 20 is opposite to the position of the gambler's rotating groove, and its axis is kept on the same straight line. A second rotating groove 21 is provided at the lower end of the third housing 3. The second rotating column 20 is embedded in the second rotating groove 21, so that the second housing 2 and the third housing 3 can rotate relative to each other. An opening 23 is provided on the second rotating column 20. The opening 23 communicates with the first rotating groove 19. The second rotating groove 21 communicates with the inside of the third housing 3 so that wires can be routed to connect the control circuit board.

[0028] Optionally, the second rotating column 20 has the same structure as the first rotating column 17, both of which are provided with annular retaining rings 18, and the second rotating groove 21 has the same structure as the first rotating groove 19, both of which are provided with annular retaining grooves 16.

[0029] Preferably, both the first rotating column 17 and the second rotating column 20 are fitted with elastic damping rings. The elastic damping rings can be rubber rings made of rubber material. They are fitted onto the first rotating column 17 and the second rotating column 20, and then the first rotating column 17 and the second rotating column 20 are respectively embedded into the first rotating groove 19 and the second rotating groove 21 to increase damping.

[0030] Preferably, such as Figures 4 to 6 As shown, two parallel elongated grooves 12 are provided at the lower end of the first housing 1 to hide the plug. The plug includes two electrical contacts 6. Each electrical contact 6 has a rotating shaft 9 on both sides of one end. The first housing 1 has a third rotating groove 13 on both sides of the elongated groove 12. The two electrical contacts 6 are respectively embedded in the elongated groove 12, and the rotating shafts 9 are respectively embedded in the third rotating groove 13, so that the electrical contacts 6 can rotate flexibly, thus hiding the electrical contacts 6 in the elongated groove 12 for easy carrying.

[0031] Preferably, such as Figures 4 to 6 As shown, in order to automatically pop up the charging post 6 for easy charging, a mounting groove 14 is provided on one side of the long groove 12 in the first housing 1. A torsion spring 7 is provided in the mounting groove 14. The rotating shaft 9 near the mounting groove 14 extends into the mounting groove 14 and is inserted into the torsion spring 7. The rotating shaft 9 can rotate freely. A fixing hole 10 is provided on the rotating shaft 9. One end of the torsion spring 7 is inserted into the fixing hole 10, and the other end of the torsion spring 7 abuts against the bottom of the mounting groove 14. The first housing 1 is provided with a snap-fit ​​assembly for snapping and fixing the rotating shaft 9. When the charging post 6 is completely hidden in the long groove 12, the torsion spring 7 is in a compressed energy storage state. The snap-fit ​​assembly snaps and fixes the rotating post. When the snap-fit ​​assembly is released, the charging post 6 is lifted by the elastic potential energy of the torsion spring 7 and pops out of the long groove 12.

[0032] Preferably, such as Figure 5 As shown, the snap-fit ​​assembly includes an elastic snap-fit ​​plate 8, a release post 5, and a spring. One end of the elastic snap-fit ​​plate 8 is fixedly connected to the rotating shaft 9, which can be fixed by glue or screws, and the elastic snap-fit ​​plate 8 abuts against the side wall of the mounting groove 14, allowing the snap-fit ​​plate 8 to rotate within the mounting groove 14. A snap-fit ​​block 11 is fixedly provided at the end of the elastic snap-fit ​​plate 8 near the side wall of the mounting groove 14, that is, a snap-fit ​​block 11 is fixedly provided at the end abutting against the mounting groove 14. The first housing 1 has a snap-fit ​​groove 16 corresponding to the snap-fit ​​block 11 on the side wall of the mounting groove 14. The first housing 1 has a through hole 15 communicating with the mounting groove 14. When the snap-fit ​​plate 8 rotates, it drives the snap-fit ​​block 11 to rotate and causes the snap-fit ​​block 11 to pass through the snap-fit ​​groove 16. The spring is installed in the through hole 15 and... One end of the spring is fixedly connected to the first housing 1. The release post 5 is inserted into the through hole 15 and abuts against the elastic snap plate 8. The other end of the spring is fixedly connected to the release post 5. When the release post 5 is pressed, the spring is compressed. After the release post 5 is released, the release post 5 is ejected and reset by the spring. When the elastic snap plate 8 rotates to the preset position, the snap block 11 is snapped into the slot 16 and fixed. By pressing the release post 5, the snap block 11 is pushed out of the slot 16 and the snapping state is released, so that the charging post 6 is bounced up by the torsion spring 7, realizing the charging post 6 is quickly ejected from the long groove 12 for charging, which is convenient and fast. When the charging post 6 is pressed into the long groove 12, the rotating shaft 9 drives the snap plate 8 to rotate so that the snap block 11 is snapped into the slot 16 and fixed.

[0033] Optionally, a removable sealing cover is provided at the opening of the mounting slot 14, which can be fixed by snap-fit.

[0034] Specifically, the working principle and usage process of this utility model are as follows: By rotating the first housing 1 and the second housing 2, and rotating the second housing 2 and the third housing 3, the first housing 1, the second housing 2 and the third housing 3 can rotate freely. A USB interface 4 is provided on each housing, so that multiple people can charge at the same time. It is also convenient to adjust the USB interface 4 on the second housing 2 and the third housing 3 to a suitable angle before inserting the charging cable for charging. The three control circuit boards are respectively set in the first housing 1, the second housing 2 and the third housing 3, which can control the heat generated by the circuit boards to be dispersed and prevent the heat from being concentrated in one housing.

[0035] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural transformations made based on the inventive concept of this utility model and the contents of this utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this utility model.

Claims

1. A rotary adapter, comprising an adapter body and a control circuit board and a transformer mounted within the adapter body, characterized in that, The adapter body includes a first housing (1), a second housing (2), and a third housing (3). One end of the first housing (1) is rotatably connected to one end of the second housing (2), and one end of the third housing (3) is rotatably connected to one end of the second housing (2). The first housing (1), the second housing (2), and the third housing (3) are coaxially rotatably arranged. The first housing (1), the second housing (2), and the third housing (3) are all provided with USB interfaces (4). The transformer is fixedly installed in the first housing (1). The control circuit board includes 3 pieces, which are respectively located in the first housing (1), the second housing (2), and the third housing (3). All 3 control circuit boards are electrically connected to the transformer. The first housing (1) has a plug at the end away from the second housing (2), and the transformer is electrically connected to the plug.

2. A rotary adapter according to claim 1, characterized in that, The first housing (1) has a first rotating column (17) at its upper end, and the first rotating column (17) has an annular retaining ring (18). The second housing (2) has a first rotating groove (19) at its lower end, and the second housing (2) has an annular groove (16) matching the annular retaining ring (18) on the periphery of the first rotating groove. The first rotating column (17) and the first rotating groove (19) are rotatably connected and the annular retaining ring (18) is embedded in the annular groove (16).

3. A rotary adapter according to claim 2, characterized in that, The first rotating column (17) has a connecting groove (22), which is connected to the inside of the first housing (1), and the first rotating groove (19) is connected to the inside of the second housing (2).

4. A rotary adapter according to claim 3, characterized in that, The upper end of the second housing (2) is fixedly provided with a second rotating column (20) at the position corresponding to the first rotating groove (19). The lower end of the third housing (3) is provided with a second rotating groove (21). The second rotating column (20) is embedded in the second rotating groove (21). The second rotating column (20) is provided with an opening (23). The opening (23) is connected to the first rotating groove (19). The second rotating groove (21) is connected to the interior of the third housing (3).

5. A rotary adapter according to claim 4, characterized in that, Both the first rotating column (17) and the second rotating column (20) are fitted with elastic damping rings.

6. A rotary adapter according to claim 1, characterized in that, The first housing (1) has two parallel elongated grooves (12) at its lower end. The plug includes two electrical terminals (6). Each electrical terminal (6) has a rotating shaft (9) on one side of each opposite end. The first housing (1) has a third rotating groove (13) on the opposite sides of the elongated grooves (12). The two electrical terminals (6) are respectively embedded in the elongated grooves (12), and the rotating shafts (9) are respectively embedded in the third rotating grooves (13).

7. A rotary adapter according to claim 6, characterized in that, The first housing (1) has an installation groove (14) on one side of the long groove (12). A torsion spring (7) is provided in the installation groove (14). The rotating shaft (9) near the installation groove (14) extends into the installation groove (14) and is inserted into the torsion spring (7). The rotating shaft (9) has a fixing hole (10). One end of the torsion spring (7) is inserted into the fixing hole (10), and the other end of the torsion spring (7) abuts against the bottom of the installation groove (14). The first housing (1) is provided with a snap-fit ​​assembly for snapping and fixing the rotating shaft (9).

8. A rotary adapter according to claim 7, characterized in that, The snap-fit ​​assembly includes an elastic snap-fit ​​plate (8), a release post (5), and a spring. One end of the elastic snap-fit ​​plate (8) is fixedly connected to the rotating shaft (9) and abuts against the side wall of the mounting groove (14). A snap-fit ​​block (11) is fixedly provided at one end of the elastic snap-fit ​​plate (8) near the side wall of the mounting groove (14). The first housing (1) has a slot (16) on the side wall of the mounting groove (14) corresponding to the snap-fit ​​block (11). The first housing (1) has a through hole (15) communicating with the mounting groove (14). The spring is installed in the through hole (15) and one end is fixedly connected to the first housing (1). The release post (5) is inserted into the through hole (15) and abuts against the elastic snap-fit ​​plate (8). The other end of the spring is fixedly connected to the release post (5). When the elastic snap-fit ​​plate (8) rotates to a preset position, the snap-fit ​​block (11) snaps into the through hole (15) and is fixed.

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