Electric vehicle plug and socket set capable of being plugged freely

Abstract

The utility model discloses a set of arbitrarily plugged electric vehicle plug and socket, which comprises a plug and a socket, when the plug and the socket are cooperatively connected, a plug shell is embedded in a gap between a socket shell and an inner core, and a plug conductor is cooperatively connected with a socket conductive hole. When the plug positive electrode conductor and the plug negative electrode conductor of one group of plug conductors are correspondingly connected with the socket positive electrode conductive hole and the socket negative electrode conductive hole of any group of socket conductive holes; and the plug positive electrode conductor and the plug negative electrode conductor of the other group of plug conductors are correspondingly connected with the socket positive electrode conductive hole and the socket negative electrode conductive hole of the other group of socket conductive holes. The socket is reasonable and ingenious in structural design, the vertical direction of the plug does not need to be distinguished during charging, only the front end of the plug is embedded into the socket shell, and the socket is convenient and fast to use.

Description

Technical Field

[0001] The utility model relates to a power connection accessory, in particular to a set of electric vehicle plugs and sockets that can be plugged in at will. Background Art

[0002] Among the numerous electric vehicle power connectors, there are many kinds of electric vehicle sockets and plugs, especially the plugs on the electric vehicle charging station, which are even more dazzling. When you come to the charging station to charge your electric vehicle, it sometimes takes a long time to find a plug that matches the corresponding electric vehicle socket, and you must also confirm that the direction of the plug is consistent with the direction of the socket before you can insert it into the socket for charging. Such a variety of plugs brings a lot of trouble to users, and this structural design is very inconvenient when used. Therefore, it is urgent to optimize the existing plug and socket structure and propose a set of electric vehicle plugs and sockets that can be plugged in at will. There is no need to distinguish the front and back of the plug, and it can be quickly inserted into the socket for charging, which is more convenient to use. Utility Model Content

[0003] In order to solve the defects and shortcomings in the technical background, the utility model provides an electric vehicle plug socket that can be plugged in arbitrarily. There is no need to distinguish the up and down directions (front and back) of the plug. It can be quickly inserted into the socket for charging, which is convenient and quick to use.

[0004] To achieve the above purpose, the technical solution of the utility model is as follows:

[0005] A set of plug-in electric vehicle plug socket, comprising a plug and a socket, characterized in that: the plug comprises a plug housing and two groups of plug conductors arranged in the plug housing and arranged in parallel with each other, each group of the plug conductors comprises a positive plug conductor and a negative plug conductor, and the two positive plug conductors and the two negative plug conductors in the two groups of plug conductors are respectively distributed symmetrically along the center point of the front end surface of the plug housing;

[0006] The socket comprises a socket shell and an inner core, one end of the socket shell is provided with an opening, the inner core is located in the socket shell and is arranged toward the opening of the socket shell, a gap is left between the inner core and the inner wall of the socket shell, and two groups of socket conductive holes are arranged on the outer end surface of the inner core, which are parallelly distributed up and down, each group of the socket conductive holes comprises a socket positive conductive hole and a socket negative conductive hole, and the two socket positive conductive holes and the two socket negative conductive holes in the two groups of socket conductive holes are respectively distributed along the center point of the outer end surface of the inner core in a central symmetrical manner;

[0007] When the plug and the socket are matched and connected, the plug shell is embedded in the gap between the socket shell and the inner core, and the plug conductor is matched and connected with the socket conductive hole. When the plug positive conductor and the plug negative conductor of one group of the plug conductors are correspondingly connected with the socket positive conductive hole and the socket negative conductive hole of any group of the socket conductive holes, the plug positive conductor and the plug negative conductor of another group of the plug conductors are correspondingly connected with the socket positive conductive hole and the socket negative conductive hole of another group of the socket conductive holes.

[0008] Preferably, the plug housing comprises a front plug shell and a rear plug shell, the front plug shell is connected to the rear plug shell, and one end of the front plug shell close to the rear plug shell is provided with four positioning holes, and the two groups of plug conductors are respectively installed in the four positioning holes.

[0009] Preferably, the positive plug conductor and the negative plug conductor of each group of the plug conductors are respectively connected to a positive plug power line and a negative plug power line, and the two positive plug power lines and the two negative plug power lines all pass through the rear shell of the plug and extend outward.

[0010] Preferably, the socket housing comprises a socket front shell and a socket rear shell, the socket front shell is connected to the socket rear shell, and the inner core is arranged in the socket front shell.

[0011] Preferably, a mounting hole is provided in the middle of the inner core, a screw is installed in the mounting hole, and the end of the screw is connected to the rear shell of the socket.

[0012] Preferably, a dust cover is hingedly connected to the upper side of the front end of the socket front shell.

[0013] Preferably, a socket positive conductor and a socket negative conductor are respectively arranged in the socket positive conductive hole and the socket negative conductive hole of each group of the socket conductive holes, the socket positive conductor is matched and connected with the positive conductor of the plug, and the socket negative conductor is matched and connected with the negative conductor of the plug, and the socket positive conductor and the socket negative conductor are respectively connected with the socket positive power line and the socket negative power line, and the two socket positive power lines and the two socket negative power lines all penetrate the rear shell of the socket and extend to the outside.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: the structural design of the utility model is reasonable and ingenious, and the two groups of conductors on the plug are correspondingly connected with the two groups of conductive holes on the socket. When charging, there is no need to distinguish the up and down direction (front and back) of the plug. As long as the front end of the plug is embedded in the socket housing, each positive conductor of the plug must be connected to one of the positive conductive holes of the socket, and each negative conductor of the plug must be connected to one of the negative conductive holes of the socket. It is convenient and quick to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Other features, objectives and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings.

[0016] Figure 1 This is a schematic diagram of the structure of the plug and socket of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the plug of the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the socket of the utility model;

[0019] Figure 4 This is a schematic diagram of the connection structure between the plug conductor and the socket conductor of the utility model;

[0020] Figure 5 This is a schematic diagram of the connection structure between the plug of the utility model and the electric vehicle charger;

[0021] Figure 6 This is a schematic diagram of the connection structure between the socket of the utility model and the battery of an electric vehicle;

[0022] Figure 7 This is a schematic diagram of the structure of the plug and socket of the utility model in use;

[0023] In the figure: 1. socket, 1-1. socket front shell, 1-2. inner core, 1-2-1. positive conductive hole at the upper end of the socket, 1-2-2. negative conductive hole at the upper end of the socket, 1-2-3. negative conductive hole at the lower end of the socket, 1-2-4. positive conductive hole at the lower end of the socket, 1-2-5. mounting hole, 1-2-6. screw, 1-3. dust cover, 1-4. socket rear shell, 1-5. positive power cord at the upper end of the socket, 1-6. negative power cord at the upper end of the socket, 1-7. positive power cord at the lower end of the socket, 1-8. negative power cord at the lower end of the socket, 1-9. positive conductor at the upper end of the socket, 1-10. negative conductor at the upper end of the socket, 1-11. negative conductor at the lower end of the socket, 1-12. positive conductor at the lower end of the socket, 2. plug, 2-1. front outer shell of the plug Shell, 2-1-1, first positioning hole, 2-1-2, second positioning hole, 2-1-3, third positioning hole, 2-1-4, fourth positioning hole, 2-2, positive conductor at the upper end of the plug, 2-3, negative conductor at the upper end of the plug, 2-4, positive conductor at the lower end of the plug, 2-5, negative conductor at the lower end of the plug, 2-6, positive power cord at the upper end of the plug, 2-7, negative power cord at the upper end of the plug, 2-8, positive power cord at the lower end of the plug, 2-9, negative power cord at the lower end of the plug, 2-10, rear shell of the plug, 3, battery charger, 3-2, negative pole of the battery charger, 3-3, positive pole of the battery charger, 4, power plug, 5, electric vehicle battery, 5-1, positive pole of the electric vehicle battery, 5-3, negative pole of the electric vehicle battery. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] In the description of the present invention, it should be understood that the terms "middle", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "set", "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection; it can be a mechanical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] like Figure 1 As shown, a set of electric vehicle plug and socket for arbitrary insertion includes a plug 2 and a socket 1, combined with Figure 3 As shown, the socket 1 includes a socket shell and an inner core 1-2, the socket shell includes a socket front shell 1-1 and a socket rear shell 1-4, the socket front shell is connected to the socket rear shell, the inner core 1-2 is arranged in the socket front shell 1-1, the socket front shell 1-1 is provided with an opening at one end away from the socket rear shell 1-4, a dust cover 1-3 is hinged on the front upper side (upper side of the opening) of the socket front shell 1-1, a coil spring can be installed at the hinge, and the dust cover can be automatically closed when not in use to prevent external dust or debris from falling into the socket shell, the inner core 1-2 is located in the socket front shell 1-1 and is arranged toward the opening, a gap is left between the inner core 1-2 and the inner wall of the socket front shell 1-1, and the middle of the inner core A mounting hole 1-2-5 is provided, in which a screw 1-2-6 is installed, and the end of the screw is connected to the socket rear shell 1-4. Two groups of socket conductive holes distributed in parallel up and down are provided on the outer end surface of the inner core 1-2, and each group of socket conductive holes includes a socket positive conductive hole and a socket negative conductive hole. The two socket positive conductive holes and the two socket negative conductive holes in the two groups of socket conductive holes are respectively distributed symmetrically along the center point of the outer end surface of the inner core. The socket positive conductive hole includes the socket upper positive conductive hole 1-2-1 and the socket lower positive conductive hole 1-2-4, and the socket negative conductive hole includes the socket upper negative conductive hole 1-2-2 and the socket lower negative conductive hole 1-2-3.

[0028] The positive conductive hole 1-2-1 at the upper end of the socket is provided with a positive conductor 1-9 at the upper end of the socket, and the positive conductor 1-9 at the upper end of the socket is connected to the positive power line 1-5 at the upper end of the socket. The positive conductive hole 1-2-4 at the lower end of the socket is provided with a positive conductor 1-12 at the lower end of the socket, and the positive conductor 1-12 at the lower end of the socket is connected to the positive power line 1-7 at the lower end of the socket. The negative conductive hole 1-2-2 at the upper end of the socket is provided with a negative conductor 1-10 at the upper end of the socket. The negative conductor 1-10 at the end is connected to the negative power line 1-6 at the upper end of the socket, the negative conductive hole 1-2-3 at the lower end of the socket is provided with a negative conductor 1-11 at the lower end of the socket, the negative conductor 1-11 at the lower end of the socket is connected to the negative power line 1-8 at the lower end of the socket, the positive power line 1-5 at the upper end of the socket, the positive power line 1-7 at the lower end of the socket, the negative power line 1-6 at the upper end of the socket and the negative power line 1-8 at the lower end of the socket all pass through the rear shell of the socket and extend to the outside.

[0029] like Figure 2 As shown, the plug 2 includes a plug housing and two groups of plug conductors arranged in parallel in the plug housing. The plug housing includes a front plug housing 2-1 and a rear plug housing 2-10. The front plug housing 2-1 is connected to the rear plug housing 2-10. Four positioning holes are provided at one end of the front plug housing 2-1 close to the rear plug housing 2-10. The four positioning holes are respectively a first positioning hole 2-1-1, a second positioning hole 2-1-2, a third positioning hole 2-1-3 and a fourth positioning hole 2-1-4. The two groups of plug conductors are respectively installed in the four positioning holes. Each group of plug conductors includes a positive plug conductor and a negative plug conductor. The two positive plug conductors and the two negative plug conductors in the two groups of plug conductors are respectively aligned along the center point of the front end surface of the plug housing. The positive conductor of the plug includes a positive conductor 2-2 at the upper end of the plug and a positive conductor 2-4 at the lower end of the plug, and the negative conductor of the plug includes a negative conductor 2-3 at the upper end of the plug and a negative conductor 2-5 at the lower end of the plug. The positive conductor 2-2 at the upper end of the plug is connected to a positive power line 2-6 at the upper end of the plug, and the positive conductor 2-4 at the lower end of the plug is connected to a positive power line 2-8 at the lower end of the plug, the negative conductor 2-3 at the upper end of the plug is connected to a negative power line 2-7 at the upper end of the plug, and the negative conductor 2-5 at the lower end of the plug is connected to a negative power line 2-9 at the lower end of the plug. The positive power line 2-6 at the upper end of the plug, the positive power line 2-8 at the lower end of the plug, the negative power line 2-7 at the upper end of the plug and the negative power line 2-9 at the lower end of the plug all pass through the rear shell of the plug and extend to the outside.

[0030] When the plug 2 and the socket 1 are connected, the front shell 2-1 of the plug is embedded in the gap between the front shell 1-1 and the inner core 1-2 of the socket. There are two combinations of the plug conductor and the socket conductive hole:

[0031] One of the combinations is (such as Figure 4As shown): the positive conductor 2-2 at the upper end of the plug is embedded in the positive conductive hole 1-2-1 at the upper end of the socket and connected to the positive conductor 1-9 at the upper end of the socket, the positive conductor 2-4 at the lower end of the plug is embedded in the positive conductive hole 1-2-4 at the lower end of the socket and connected to the positive conductor 1-12 at the lower end of the socket, the negative conductor 2-3 at the upper end of the plug is embedded in the negative conductive hole 1-2-2 at the upper end of the socket and connected to the negative conductor 1-10 at the upper end of the socket, and the negative conductor 2-5 at the lower end of the plug is embedded in the negative conductive hole 1-2-3 at the lower end of the socket and connected to the negative conductor 1-11 at the lower end of the socket;

[0032] Another combination method is: the positive conductor 2-2 at the upper end of the plug is embedded in the positive conductive hole 1-2-4 at the lower end of the socket and connected to the positive conductor 1-12 at the lower end of the socket, the positive conductor 2-4 at the lower end of the plug is embedded in the positive conductive hole 1-2-1 at the upper end of the socket and connected to the positive conductor 1-9 at the upper end of the socket, the negative conductor 2-3 at the upper end of the plug is embedded in the negative conductive hole 1-2-3 at the lower end of the socket and connected to the negative conductor 1-11 at the lower end of the socket, and the negative conductor 2-5 at the lower end of the plug is embedded in the negative conductive hole 1-2-2 at the upper end of the socket and connected to the negative conductor 1-10 at the upper end of the socket.

[0033] The socket conductor used in this embodiment has a hollow structure inside, and the plug conductor can be embedded in the corresponding socket conductor. The two are closely matched to ensure the stability of the current.

[0034] When the utility model is used, Figure 5 As shown, the positive power line 2-6 at the upper end of the plug, the positive power line 2-8 at the lower end of the plug, the negative power line 2-7 at the upper end of the plug and the negative power line 2-9 at the lower end of the plug passing through the rear shell of the plug are sequentially connected in series with the battery charger 3 and the power plug 4, and the positive power line 2-6 at the upper end of the plug and the positive power line 2-8 at the lower end of the plug are connected to the positive pole 3-3 of the battery charger, and the negative power line 2-7 at the upper end of the plug and the negative power line 2-9 at the lower end of the plug are connected to the negative pole 3-2 of the battery charger; Figure 6 As shown, the positive power line 1-5 at the upper end of the socket, the positive power line 1-7 at the lower end of the socket, the negative power line 1-6 at the upper end of the socket and the negative power line 1-8 at the lower end of the socket passing through the rear shell of the socket are all connected to the electric vehicle battery 5, and the positive power line 1-5 at the upper end of the socket and the positive power line 1-7 at the lower end of the socket are all connected to the positive pole 5-1 of the electric vehicle battery, and the negative power line 1-6 at the upper end of the socket and the negative power line 1-8 at the lower end of the socket are all connected to the negative pole 5-3 of the electric vehicle battery.

[0035] like Figure 7 As shown, when charging the electric vehicle, you need to open the dust cover first, then insert the plug into the socket on the electric vehicle, and finally connect the power plug of the charger to the external power supply.

[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model.

Claims

1. A set of electric vehicle plugs and sockets for arbitrary insertion, including a plug and a socket, characterized in that: The plug comprises a plug housing and two groups of plug conductors arranged in parallel in the plug housing, each group of the plug conductors comprises a positive plug conductor and a negative plug conductor, and the two positive plug conductors and the two negative plug conductors in the two groups of plug conductors are respectively symmetrically distributed along the center point of the front end surface of the plug housing; The socket comprises a socket shell and an inner core, one end of the socket shell is provided with an opening, the inner core is located in the socket shell and is arranged toward the opening of the socket shell, a gap is left between the inner core and the inner wall of the socket shell, and two groups of socket conductive holes are arranged on the outer end surface of the inner core, which are parallelly distributed up and down, each group of the socket conductive holes comprises a socket positive conductive hole and a socket negative conductive hole, and the two socket positive conductive holes and the two socket negative conductive holes in the two groups of socket conductive holes are respectively distributed along the center point of the outer end surface of the inner core in a central symmetrical manner; When the plug and the socket are matched and connected, the plug shell is embedded in the gap between the socket shell and the inner core, and the plug conductor is matched and connected with the socket conductive hole. When the plug positive conductor and the plug negative conductor of one group of the plug conductors are correspondingly connected with the socket positive conductive hole and the socket negative conductive hole of any group of the socket conductive holes, the plug positive conductor and the plug negative conductor of another group of the plug conductors are correspondingly connected with the socket positive conductive hole and the socket negative conductive hole of another group of the socket conductive holes.

2. The plug and socket for electric vehicles that can be plugged in at will according to claim 1, characterized in that: The plug housing comprises a front plug housing and a rear plug housing, wherein the front plug housing is connected to the rear plug housing, and one end of the front plug housing close to the rear plug housing is provided with four positioning holes, and the two groups of plug conductors are respectively installed in the four positioning holes.

3. The plug and socket for electric vehicles that can be plugged in at will according to claim 1, characterized in that: The positive and negative conductors of each group of plug conductors are respectively connected with a positive power line and a negative power line. Both positive power lines and negative power lines pass through the rear shell of the plug and extend outward.

4. The electric vehicle plug and socket set as claimed in claim 1, characterized in that: The socket housing comprises a socket front shell and a socket rear shell, the socket front shell is connected to the socket rear shell, and the inner core is arranged in the socket front shell.

5. The plug and socket for electric vehicles that can be plugged in at will as claimed in claim 4, characterized in that: A mounting hole is arranged in the middle of the inner core, a screw is installed in the mounting hole, and the screw is connected to the rear shell of the socket.

6. The plug and socket for electric vehicles that can be plugged in at will as claimed in claim 4, characterized in that: A dust cover is hingedly connected to the upper side of the front end of the socket front shell.

7. The plug and socket for electric vehicles that can be plugged in at will according to claim 1, characterized in that: A socket positive conductor and a socket negative conductor are respectively arranged in the socket positive conductive hole and the socket negative conductive hole of each group of the socket conductive holes. The socket positive conductor is matched and connected with the positive conductor of the plug, and the socket negative conductor is matched and connected with the negative conductor of the plug. The socket positive conductor and the socket negative conductor are respectively connected with the socket positive power line and the socket negative power line. The two socket positive power lines and the two socket negative power lines all penetrate the rear shell of the socket and extend to the outside.

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