Plug and electric vehicle charging device

Abstract

The utility model discloses a plug and an electric vehicle charging device. The plug comprises a plug body, an adjusting part, a first insertion sheet and a second insertion sheet. The plug body is internally provided with an accommodating space, one side of the plug body is provided with a first through hole communicated with the accommodating space, the opposite side of the plug body is provided with a second through hole communicated with the accommodating space, and the first insertion piece, the second insertion piece and the adjusting part are fixedly connected. The adjusting part is adjusted to enable the first insertion piece to extend out of the plug body from the first through hole or enable the second insertion piece to extend out of the plug body from the second through hole. According to the utility model, the adjusting part is arranged in the plug body, the first insertion sheet and the second insertion sheet are fixedly connected with the adjusting part, different insertion sheets are selected through the adjusting part to adapt to different sockets, and the plug is simple, efficient, convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical components, in particular to a plug and an electric vehicle charging device. Background Art

[0002] With the development of new energy electric vehicles, their popularity is increasing, and the demand for charging equipment is constantly rising. Mode 2 AC charging cables, as onboard charging devices, can be charged directly from the AC grid, offering great convenience. However, due to differences in the national standard dimensions of the three-pronged plug, the 16A and 10A sizes are incompatible, significantly limiting their use. Utility Model Content

[0003] Aiming at the technical problem that existing plugs are not compatible with different sockets, the utility model provides a plug.

[0004] The above-mentioned purpose of the utility model is achieved through the following technical solutions:

[0005] In a first aspect, the present invention provides a plug, comprising:

[0006] A plug body having an accommodation space therein, wherein one side of the plug body is provided with a first through hole communicating with the accommodation space, and the other side opposite thereto is provided with a second through hole communicating with the accommodation space;

[0007] an adjusting portion, at least partially disposed in the accommodation space and slidably connected to the plug body;

[0008] a first insert, fixedly connected to the adjusting portion and at least partially located in the accommodating space;

[0009] a second insert, fixedly connected to the adjusting portion and at least partially located in the accommodating space;

[0010] During use, the adjusting portion is adjusted to allow the first inserting piece to extend from the first through hole to the plug body, or to allow the second inserting piece to extend from the second through hole to the plug body.

[0011] Optionally, it includes an adjustment plate, which is arranged in the accommodating space, the first plug is fixedly arranged on the side of the adjustment plate close to the first through hole, and the second plug is fixedly arranged on the side of the adjustment plate away from the first through hole; and an adjustment paddle is fixedly connected to the adjustment plate.

[0012] Optionally, a sliding groove extending along the first through hole towards the second through hole is formed in the plug body opposite to the adjusting flap. The adjusting flap reciprocates in the sliding groove to drive the adjusting plate to reciprocate in the accommodating space, thereby adjusting the distance between the adjusting plate and the first through hole or the second through hole.

[0013] Optionally, the adjusting flap is provided with a first limiting structure, and the sliding groove is provided with a second limiting structure cooperating with the first limiting structure;

[0014] Alternatively, the adjusting flap is provided with an anti-slip structure.

[0015] Optionally, the adjusting part is an insulator, and the first insert piece and the second insert piece are conductors.

[0016] Optionally, two first insert pieces are provided, and three second insert pieces are provided.

[0017] Optionally, two first insert pieces are provided, and two second insert pieces are provided.

[0018] Optionally, three first insert pieces are provided, and three second insert pieces are provided.

[0019] Optionally, one of the first insert pieces is electrically connected to one of the second insert pieces.

[0020] In a second aspect of the present invention, an electric vehicle charging device is provided, including: a charging gun head, a control box, and the plug as described above. The charging gun head is electrically connected to the control box, and the control box is electrically connected to the plug.

[0021] The plug of the present invention includes a plug body, an adjusting part, a first insert piece, and a second insert piece. An accommodating space is provided inside the plug body. One end of the plug body is provided with a first through hole communicating with the accommodating space, and the opposite end is provided with a second through hole communicating with the accommodating space. The first insert piece, the second insert piece, and the adjusting part are fixedly connected. By disposing at least a part of the adjusting part in the accommodating space and slidably connecting it with the plug body, during use, the adjusting part is adjusted to make the first insert piece protrude from the first through hole of the plug body, or make the second insert piece protrude from the second through hole of the plug body. By providing an adjusting part in the plug body of the present invention, the first insert piece, the second insert piece, and the adjusting part are fixedly connected, and different insert pieces are selected through the adjusting part to adapt to different sockets, which is simple, efficient, convenient, and fast. Description of the Drawings

[0022] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0023] Figure 1 Schematic structural diagram of one perspective of a plug of the present invention;

[0024] Figure 2 Schematic structural diagram of another perspective of a plug of the present invention;

[0025] Figure 3 Schematic structural diagram of yet another perspective of a plug of the present invention;

[0026] Figure 4 Schematic structural diagram of one perspective of a charging device for electric vehicles of the present invention.

[0027] Explanation of the reference numerals in the drawings:

[0028]

[0029] The realization of the object, functional features and advantages of the present invention will be further described with reference to the embodiments and the drawings. Specific embodiments

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0031] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative position relationship and movement conditions between components in a specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.

[0032] In the present utility model, unless otherwise clearly stipulated and defined, terms such as "connection" and "fixation" shall be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral body; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0033] In addition, in the present utility model, descriptions such as "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" can explicitly or implicitly include at least one of such features. In addition, the meaning of "and / or" appearing throughout the text is that it includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or a solution that satisfies both A and B simultaneously. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0034] With the development of new energy electric vehicles, the penetration rate of electric vehicles is getting higher and higher, and the demand for charging equipment is increasing continuously. As a charging device carried with the vehicle, the mode II AC charging gun can directly charge using the AC power grid, which is extremely convenient. However, due to the differences in the sizes of the two specifications of 16A and 10A in the national standard size of the three-pin plug, they are not compatible during use, greatly limiting the scope of use of the charging gun. In response to this situation, a plug is proposed.

[0035] Please refer to Figures 1-4 , the plug 100 provided by the present utility model includes a plug body 10, an adjusting part, a first insert piece 30, and a second insert piece 40. An accommodating space 10A is provided inside the plug body 10. A first through hole 10B communicating with the accommodating space 10A is provided on one side of the plug body 10, and a second through hole 10C communicating with the accommodating space 10A is provided on the opposite side. The adjusting part is at least partially disposed in the accommodating space 10A and is slidably connected to the plug body 10. The first insert piece 30 is fixedly connected to the adjusting part and is at least partially located in the accommodating space 10A. The second insert piece 40 is fixedly connected to the adjusting part and is at least partially located in the accommodating space 10A. During use, the adjusting part is adjusted to make the first insert piece 30 extend out of the plug body 10 from the first through hole 10B, or make the second insert piece 40 extend out of the plug body 10 from the second through hole 10C.

[0036] It can be understood that the plug body 10 includes a left cover plate, a right cover plate, a front cover plate, and a rear cover plate. The front cover plate, the left cover plate, the rear cover plate, and the right cover plate are sequentially connected and enclose to form an accommodation space 10A. A first through hole 10B is provided on the front cover plate and communicates with the accommodation space 10A. A second through hole 10C is provided on the rear cover plate and communicates with the accommodation space 10A. Specifically, the shape of the plug body 10 can be a hexahedron such as a cuboid or a cube. Of course, the structure of the plug body can also be other shapes as long as it is provided with an accommodation space 10A, a first through hole 10B, and a second through hole 10C.

[0037] Furthermore, at least a part of the adjusting portion is disposed in the accommodation space 10A and is slidably connected to the plug body 10. The first insertion piece 30 is fixedly connected to the adjusting portion and at least a part of it is located in the accommodation space 10A. The second insertion piece 40 is fixedly connected to the adjusting portion and at least a part of it is located in the accommodation space 10A. When in use, the adjusting portion is adjusted to make the first insertion piece 30 extend out of the plug body 10 from the first through hole 10B and be electrically connected to an external socket, or make the second insertion piece 40 extend out of the plug body 10 from the second through hole 10C and be electrically connected to an external socket.

[0038] It can be understood that the shape of the first through hole 10B is adapted to the shape of the first insertion piece 30, and the shape of the second through hole 10C is adapted to the shape of the second insertion piece 40. The plane where the first through hole 10B of the plug body 10 is located is parallel to the plane where the second through hole 10C of the plug body 10 is located, and the first through hole 10B and the second through hole 10C are parallel to each other, so that by adjusting the adjusting portion, the first insertion piece 30 or the second insertion piece 40 can extend out of the plug body 10 correspondingly from the first through hole 10B or the second through hole 10C.

[0039] By arranging an adjusting portion in the plug body 10 in the present utility model, the first insertion piece 30 and the second insertion piece 40 are fixedly connected to the adjusting portion, and different insertion pieces are selected through the adjusting portion to adapt to different sockets, which is simple, efficient, convenient and fast.

[0040] In an embodiment, please refer to Figures 1-4 , the adjusting portion includes an adjusting plate and an adjusting dial 20. The adjusting plate is disposed in the accommodation space 10A. The first insertion piece 30 is fixedly disposed on one side of the adjusting plate close to the first through hole 10B, and the second insertion piece 40 is fixedly disposed on the side of the adjusting plate away from the first through hole 10B. The adjusting dial 20 is fixedly connected to the adjusting plate.

[0041] It can be understood that the adjusting part is set as an adjusting plate and an adjusting lever 20. The adjusting plate is arranged parallel to the plane where the first through hole 10B or the second through hole 10C is located. The first insert piece 30 is fixedly arranged on one side of the adjusting plate close to the first through hole 10B, and the second insert piece 40 is fixedly arranged on the side of the adjusting plate away from the first through hole 10B. The first insert piece 30 and the second insert piece 40 are parallel and arranged opposite to the adjusting plate perpendicularly. The first insert piece 30 and the second insert piece 40 can also be coaxial and arranged opposite to the adjusting plate perpendicularly. The adjusting lever 20 is fixedly connected to the adjusting plate, so that by adjusting the adjusting lever 20, the first insert piece 30 or the second insert piece 40 arranged on the adjusting plate can correspondingly extend out of the plug body 10 from the first through hole 10B or the second through hole 10C.

[0042] In one embodiment, please refer to FIG. Figures 1-3 , a sliding groove 10D extending along the direction from the first through hole 10B to the second through hole 10C is formed at the position of the plug body 10 opposite to the adjusting lever 20. The adjusting lever 20 reciprocates through the sliding groove 10D to drive the adjusting plate to reciprocate in the accommodating space 10A, so as to adjust the distance between the adjusting plate and the first through hole 10B or the second through hole 10C.

[0043] It can be understood that a sliding groove 10D extending along the direction from the first through hole 10B to the second through hole 10C is formed at the position of the plug body 10 opposite to the adjusting lever 20. The sliding groove 10D can be arranged on the left cover plate or the right cover plate, or can be arranged on both the left cover plate and the right cover plate at the same time, which is not limited herein. One end of the adjusting lever 20 is provided with a rotating shaft, and the rotating shaft passes through the sliding groove 10D and is fixedly connected to the adjusting plate. The adjusting lever 20 reciprocates in the sliding groove 10D through the rotating shaft to drive the adjusting plate to reciprocate in the accommodating space 10A, so as to adjust the distance between the adjusting plate and the first through hole 10B or the second through hole 10C, so that the first insert piece 30 or the second insert piece 40 correspondingly extends out of the plug body 10 from the first through hole 10B or the second through hole 10C. Of course, the adjusting lever 20 and the sliding groove 10D can also reciprocate in the sliding groove 10D through other structures such as convex parts and concave parts, slide rails and sliders, which is not limited herein.

[0044] In one embodiment, please refer to Figures 1-3 , the adjusting lever 20 is provided with a first limiting structure, and the sliding groove 10D is provided with a second limiting structure cooperating with the first limiting structure.

[0045] It can be understood that the first positioning structure is a protrusion, and the second positioning structure is a groove. The protrusion can be adapted to the groove, so as to adjust the positioning of the dial 20 in the sliding groove 10D, and further fix the distance between the adjusting plate and the first through hole 10B or the second through hole 10C. The first limiting structure can be respectively arranged at both ends of the adjusting dial 20, and the second limiting structure can be respectively arranged at both ends of the sliding groove 10D and cooperate with the first limiting structure. The arrangement of the first limiting structure and the second limiting structure can limit the distance of the reciprocating movement of the adjusting dial 20 in the sliding groove 10D, so that when the plug 100 is adapted to different sockets, the length of the insertion piece extending out of the first through hole 10B or the second through hole 10C is fixed and unchanged, so as to make the plug 100 and different sockets fit more tightly and not easy to loosen. Of course, the first positioning structure can also be a groove, and the second positioning structure is a protrusion; or, the first positioning structure and the second positioning structure can also be other forms of positioning structures such as positioning columns and positioning holes.

[0046] Preferably, the adjusting dial 20 is provided with an anti-slip structure, which can be a convex rib, a convex point or other structures, which are not limited herein, so as to prevent problems such as loosening of the connection caused by slipping when the user grasps the adjusting dial 20 to select different insertion pieces.

[0047] In one embodiment, please refer to Figures 1-3 , the adjusting part is an insulator, and the first insertion piece 30 and the second insertion piece 40 are conductors. In this way, one plug 100 can be adapted to different types of sockets, and the first insertion piece 30 and the second insertion piece 40 do not interfere with each other.

[0048] In one embodiment, please refer to Figures 1-3 , two first insertion pieces 30 are provided, and the two insertion pieces are arranged in parallel. Three second insertion pieces 40 are provided, and the three insertion pieces are arranged in an isosceles triangle.

[0049] In one embodiment, please refer to Figures 1-3 , two first insertion pieces 30 are provided, and the two insertion pieces are arranged in parallel. Two second insertion pieces 40 are provided, and the two insertion pieces are arranged in parallel.

[0050] In one embodiment, please refer to Figures 1-3 , three first insertion pieces 30 are provided, and the three insertion pieces are arranged in an isosceles triangle. Three second insertion pieces 40 are provided, and the three insertion pieces are arranged in an isosceles triangle.

[0051] In this way, one plug 100 can be adapted to different types of two-phase or three-phase sockets, and the application range is wider.

[0052] In one embodiment, please refer to Figures 1-3, one of the first inserts 30 is electrically connected to one of the second inserts 40. When both the first insert 30 and the second insert 40 are three-hole inserts, the inserts electrically connected to the neutral wire can share a neutral wire.

[0053] The present utility model also provides an electric vehicle charging device 200. Please refer to Figure 4 , which includes a charging gun head 50, a control box 60 and the above plug 100. The specific structure of the plug 100 refers to the above embodiments. Since the plug 100 adopts all the technical solutions of all the above embodiments, it at least has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be elaborated here one by one. Among them, the charging gun head 50 is electrically connected to the control box 60, and the control box 60 is electrically connected to the plug 100.

[0054] The above are only the preferred embodiments of the present utility model, and do not limit the patent scope of the present utility model. Any equivalent structural transformation made under the inventive concept of the present utility model by using the content of the specification and drawings of the present utility model, or any direct / indirect application in other related technical fields is included in the patent protection scope of the present utility model.

Claims

1. A plug (100), characterized in that, Comprising: A plug body (10) having an accommodation space (10A) therein. One side of the plug body (10) is provided with a first through hole (10B) communicating with the accommodation space (10A), and the opposite side is provided with a second through hole (10C) communicating with the accommodation space (10A). An adjustment part, at least partially disposed in the accommodation space (10A) and slidably connected to the plug body (10). A first insertion piece (30), fixedly connected to the adjustment part and at least partially located in the accommodation space (10A). A second insertion piece (40), fixedly connected to the adjustment part and at least partially located in the accommodation space (10A). In use, the adjustment part is adjusted to extend the first insertion piece (30) out of the plug body (10) from the first through hole (10B), or to extend the second insertion piece (40) out of the plug body (10) from the second through hole (10C).

2. The plug (100) according to claim 1, characterized in that, The adjustment part includes: An adjustment plate disposed in the accommodation space (10A). The first insertion piece (30) is fixedly disposed on one side of the adjustment plate close to the first through hole (10B), and the second insertion piece (40) is fixedly disposed on the side of the adjustment plate away from the first through hole (10B). An adjustment dial (20), fixedly connected to the adjustment plate.

3. The plug (100) according to claim 2, characterized in that A chute (10D) extending along the first through hole (10B) in the direction of the second through hole (10C) is formed in the plug body (10) opposite to the adjustment dial (20). The adjustment dial (20) reciprocates in the chute (10D) to drive the adjustment plate to reciprocate in the accommodation space (10A), thereby adjusting the distance between the adjustment plate and the first through hole (10B) or the second through hole (10C).

4. The plug (100) according to claim 3, characterized in that, The adjustment dial (20) is provided with a first limiting structure, and the chute (10D) is provided with a second limiting structure cooperating with the first limiting structure. Or, the adjustment dial (20) is provided with an anti-slip structure.

5. The plug (100) according to claim 1, characterized in that The adjustment part is an insulator, and the first insertion piece (30) and the second insertion piece (40) are conductors.

6. The plug (100) according to claim 1, characterized in that, There are two first insertion pieces (30) and three second insertion pieces (40).

7. The plug (100) according to claim 1, characterized in that, There are two first insertion pieces (30) and two second insertion pieces (40).

8. The plug (100) according to claim 1, characterized in that There are three first insertion pieces (30) and three second insertion pieces (40).

9. The plug (100) according to claim 8, characterized in that, One of the first insertion pieces (30) is electrically connected to one of the second insertion pieces (40).

10. An electric vehicle charging device (200), characterized in that, Comprising: A charging gun head (50), a control box (60) and a plug (100) according to any one of claims 1-9. The charging gun head (50) is electrically connected to the control box (60), and the control box (60) is electrically connected to the plug (100).

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