Connecting device for conductive charging of electric automobile

Abstract

The utility model relates to the technical field of charging equipment, in particular to a connecting device for conductive charging of an electric automobile, which comprises a control box, the left end and the right end of the control box are respectively connected with a first electric wire and a second electric wire, and the end part of the first electric wire is connected with a charging gun; the end part of the second wire is connected with a connecting structure, the connecting structure comprises a first plug, the first plug is arranged at the end part of the second wire, and the surface of the first plug is provided with a first pin. According to the utility model, the first plug and the second plug are respectively provided with the first jack and the second jack, and the surface of the first plug, which is provided with the first pin, is attached to the surface of the second plug, which is provided with the second pin, so that the first pin can be inserted into the second jack, and the second pin is inserted into the first jack; therefore, the first pin and the second pin are protected, the first pin and the second pin are prevented from being bent and deformed by external force, and the use experience of the device can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of charging devices, and particularly relates to a connecting device for conductive charging of electric vehicles. Background Technique

[0002] With the improvement of people's living standards, the requirements for the living environment are also higher, and the slogans of environmental protection and energy conservation are advocated more and more. Therefore, the development of electric vehicles has grown, the population using electric vehicles has gradually expanded. When charging an electric vehicle, a power supply with a rated current of 16A is usually used. However, the rated current output by a general household is usually 10A. In order to adapt to the two charging situations of 16A and 10A, the existing charging guns usually set the plug and the charging gun head as a split structure, that is, a charging gun head is detachably equipped with two plugs. When the rated current of the power supply is 16A, one of the plugs adapted to it is selected. When the rated current of the power supply is 10A, the plug adapted to 16A is removed, and then the plug adapted to 10A is connected to the charging gun head.

[0003] In this regard, Chinese Patent Application No.: CN201620799479.4 discloses a connecting device for conductive charging of electric vehicles, including a charging gun head, a control box and a charging plug. A Hall switch electrically connected to a circuit board is provided on the charging plug; it also includes a conversion plug, and a magnetic member cooperating with the Hall switch is provided on the conversion plug. The utility model has a simple structure, is convenient, reliable and safe to operate, and has a higher safety performance, and can be more conveniently switched between a 16A socket and a 10A socket for use.

[0004] This connecting device can be switched between a 16A socket and a 10A socket for use. However, in the actual use process, when the charging plug and the conversion plug are idle, the pins cannot be protected, and are easily bent and deformed by external forces, which will affect the use experience of the device.

[0005] Therefore, in order to solve the above problems, a connecting device for conductive charging of electric vehicles is proposed. Content of the Utility Model

[0006] The purpose of the utility model is to provide a connecting device for conductive charging of electric vehicles to solve the problem that the connecting device in the prior art mentioned in the above background technique can be switched between a 16A socket and a 10A socket for use, but in the actual use process, when the charging plug and the conversion plug are idle, the pins cannot be protected, and are easily bent and deformed by external forces, which will affect the use experience of the device.

[0007] To achieve the above object, the present utility model provides the following technical solutions: A connection device for conductive charging of an electric vehicle, comprising: a control box, with a first wire and a second wire respectively connected to the left and right ends of the control box, and a charging gun connected to the end of the first wire;

[0008] The end of the second wire is connected with a connection structure, which includes a first plug. The first plug is arranged at the end of the second wire. The surface of the first plug is provided with first pins. A first panel is integrally formed on the surface of the first plug. A first jack is opened on the surface of the first plug. A second plug is installed on the right side of the first plug. The surface of the second plug is provided with second pins. A second panel is integrally formed on the surface of the second plug. Connection holes and a second jack are respectively opened on the left and right side walls of the second plug.

[0009] Preferably, a protection structure is installed outside the connection structure. The protection structure includes a housing, which is sleeved outside the first plug and the second plug. A pulling groove is opened on the outer wall of the housing, and a clamping groove is opened on the inner wall of the housing.

[0010] Preferably, the right side wall of the first plug is in contact with the left side wall of the second plug. The first pins are inserted into the connection holes, and the first pins and the second pins cooperate with each other.

[0011] Preferably, the first pins and the second jack cooperate with each other, and the second pins and the first jack cooperate with each other.

[0012] Preferably, the clamping groove is clamped on the first panel and the second panel on the contact surface of the first plug and the second plug.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: By respectively opening the first jack and the second jack on the first plug and the second plug, the surface of the first plug with the first pins can be made to contact the surface of the second plug with the second pins, so that the first pins can be inserted into the second jack, and the second pins can be inserted into the first jack, thereby protecting the first pins and the second pins and preventing the first pins and the second pins from being bent and deformed by external forces, and the service life of the device can be extended.

[0014] With the connection structure and the protection structure provided by the present utility model, when charging with a 10A socket, insert the first pins into the connection holes. The first pins are located on the left side of the second plug and can be connected to the second pins. At this time, the second pins are exposed. Then, sleeve the housing outside the first plug and the second plug, so that the first panel and the second panel on the contact surface of the first plug and the second plug are clamped in the clamping groove inside the housing, thereby fixedly connecting the first plug and the second plug. Next, insert the second pins into the socket to start charging;

[0015] When charging with a 16A socket, insert the second pin into the first jack. The first pin is located on the right side of the second plug. At this time, the first pin is exposed. Then, put the outer shell on the outside of the first plug and the second plug, so that the first panel and the second panel on the mating surface of the first plug and the second plug are stuck in the card slots on the inner side of the outer shell, and the first plug and the second plug can be fixedly connected. Then insert the first pin into the socket to start charging.

[0016] After use, place the side of the first plug with the first pin against the side of the second plug with the second pin, so that the first pin can be inserted into the second jack and the second pin can be inserted into the first jack. Then, put the outer shell on the outside of the first plug and the second plug, so that the first panel and the second panel on the mating surface of the first plug and the second plug are stuck in the card slots on the inner side of the outer shell, and the first plug and the second plug can be fixedly connected, thereby protecting the first pin and the second pin from being bent and deformed by external forces and extending the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view schematic diagram of the structure of the present utility model;

[0018] Figure 2 It is a bottom view schematic diagram of the connection structure and the protection structure of the present utility model;

[0019] Figure 3 It is an exploded bottom view schematic diagram of the connection structure and the protection structure of the present utility model;

[0020] Figure 4 It is an exploded front view sectional schematic diagram of the state when the second pin of the present utility model is used;

[0021] Figure 5 It is a sectional schematic diagram of the structure in the state when the first pin of the present utility model is used;

[0022] Figure 6 It is an exploded front view sectional schematic diagram of the first pin and the second pin of the present utility model when they are stored and protected.

[0023] In the figure: 1. Control box; 11. First wire; 12. Charging gun; 13. Second wire; 2. Connection structure; 21. First plug; 22. First pin; 23. First panel; 24. First jack; 25. Second plug; 26. Second pin; 27. Second panel; 28. Connection hole; 29. Second jack; 3. Protection structure; 31. Outer shell; 32. Pulling groove; 33. Card slot. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0025] Please refer to Figures 1-6 , an embodiment provided by the present invention:

[0026] The control box 1, the first wire 11, the charging gun 12, the second wire 13, the first plug 21, the first pin 22, the second plug 25, and the second pin 26 used in this application are products that can be directly purchased on the market. Their principles and connection methods are all prior arts well-known to those skilled in the art, so they will not be elaborated here.

[0027] A connection device for conductive charging of an electric vehicle includes: a control box 1. The left and right ends of the control box 1 are respectively connected to a first wire 11 and a second wire 13. The end of the first wire 11 is connected to a charging gun 12;

[0028] The end of the second wire 13 is connected to a connection structure 2. The connection structure 2 includes a first plug 21. The first plug 21 is arranged at the end of the second wire 13. The surface of the first plug 21 is provided with a first pin 22. A first panel 23 is integrally formed on the surface of the first plug 21. A first jack 24 is opened on the surface of the first plug 21. A second plug 25 is installed on the right side of the first plug 21. The surface of the second plug 25 is provided with a second pin 26. A second panel 27 is integrally formed on the surface of the second plug 25. Connection holes 28 and a second jack 29 are respectively opened on the left and right side walls of the second plug 25. By respectively opening the first jack 24 and the second jack 29 on the first plug 21 and the second plug 25, the present invention can make the surface of the first plug 21 with the first pin 22 fit with the surface of the second plug 25 with the second pin 26, so that the first pin 22 can be inserted into the second jack 29, and the second pin 26 can be inserted into the first jack 24, thereby protecting the first pin 22 and the second pin 26 from being bent and deformed by external forces, and extending the service life of the device.

[0029] Furthermore, a protective structure 3 is installed on the outer side of the connection structure 2. The protective structure 3 includes a housing 31. The housing 31 is sleeved on the outer sides of the first plug 21 and the second plug 25. A pulling groove 32 is formed on the outer wall of the housing 31, and a clamping groove 33 is formed on the inner wall of the housing 31. The housing 31 is sleeved on the outer sides of the first plug 21 and the second plug 25, so that the first panel 23 and the second panel 27 on the fitting surface of the first plug 21 and the second plug 25 are clamped in the clamping groove 33 on the inner side of the housing 31, thereby fixedly connecting the first plug 21 and the second plug 25. When unplugging and plugging, the housing 31 can be held for operation, enabling the first plug 21 and the second plug 25 to move together and ensuring safety to a certain extent.

[0030] Furthermore, the right side wall of the first plug 21 is fitted to the left side wall of the second plug 25. The first pin 22 is inserted into the connection hole 28. The first pin 22 and the second pin 26 cooperate with each other, and the second pin 26 can be connected to a 10A socket for charging.

[0031] Furthermore, the first pin 22 and the second jack 29 cooperate with each other, and the second pin 26 and the first jack 24 cooperate with each other. The first pin 22 can be inserted into the second jack 29, and the second pin 26 can be inserted into the first jack 24.

[0032] Furthermore, the clamping groove 33 is clamped on the first panel 23 and the second panel 27 on the fitting surface of the first plug 21 and the second plug 25. The first panel 23, the second panel 27 and the clamping groove 33 cooperate with each other, enabling the first plug 21 and the second plug 25 to be fixedly connected.

[0033] Working principle: When charging with a 10A socket, insert the first pin 22 into the connection hole 28. The first pin 22 is located on the left side of the second plug 25, and the first pin 22 can be connected to the second pin 26. At this time, the second pin 26 is exposed. Sleeve the housing 31 on the outer sides of the first plug 21 and the second plug 25, so that the first panel 23 and the second panel 27 on the fitting surface of the first plug 21 and the second plug 25 are clamped in the clamping groove 33 on the inner side of the housing 31, thereby fixedly connecting the first plug 21 and the second plug 25. Then insert the second pin 26 into the socket to start charging.

[0034] When charging with a 16A socket, insert the second pin 26 into the first jack 24. The first pin 22 is located on the right side of the second plug 25. At this time, the first pin 22 is exposed. Sleeve the housing 31 on the outer sides of the first plug 21 and the second plug 25, so that the first panel 23 and the second panel 27 on the fitting surface of the first plug 21 and the second plug 25 are clamped in the clamping groove 33 on the inner side of the housing 31, thereby fixedly connecting the first plug 21 and the second plug 25. Then insert the first pin 22 into the socket to start charging.

[0035] After use, the side of the first plug 21 with the first pin 22 is fitted to the side of the second plug 25 with the second pin 26, so that the first pin 22 can be inserted into the second jack 29, and the second pin 26 is inserted into the first jack 24. The housing 31 is sleeved outside the first plug 21 and the second plug 25, so that the first panel 23 and the second panel 27 on the fitting surface of the first plug 21 and the second plug 25 are stuck in the card slots 33 inside the housing 31, and the first plug 21 and the second plug 25 can be fixedly connected, thereby protecting the first pin 22 and the second pin 26 from being bent and deformed by external forces, and extending the service life of the device;

[0036] The first plug 21 and the second plug 25 are fixedly connected through the housing 31. When plugging and unplugging, the housing 31 can be held for operation, which enables the first plug 21 and the second plug 25 to move together and ensures safety to a certain extent.

[0037] The above are only the preferred embodiments of the present invention, and do not impose any form of limitation on the present invention. Any person skilled in the art can smoothly implement the present invention according to the illustrations in the specification and the above description. However, any equivalent changes made by those skilled in the art within the scope of the technical solution of the present invention by using the disclosed technical content for minor modifications, decorations and evolutions are equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essence of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. A connection device for conductive charging of an electric vehicle, comprising: A control box (1), wherein the left and right ends of the control box (1) are respectively connected to a first electric wire (11) and a second electric wire (13), and the end of the first electric wire (11) is connected to a charging gun (12); Its characteristics are: The end of the second electric wire (13) is connected to a connecting structure (2), and the connecting structure (2) includes a first plug (21), the first plug (21) is arranged at the end of the second electric wire (13), the surface of the first plug (21) is provided with a first pin (22), the surface of the first plug (21) is integrally formed with a first panel (23), the surface of the first plug (21) is provided with a first jack (24), the right side of the first plug (21) is provided with a second plug (25), the surface of the second plug (25) is provided with a second pin (26), the surface of the second plug (25) is integrally formed with a second panel (27), and the left and right side walls of the second plug (25) are respectively provided with a connecting hole (28) and a second jack (29).

2. The conductive charging connection device for electric vehicles according to claim 1, characterized in that: A protective structure (3) is installed on the outside of the connection structure (2), and the protective structure (3) includes a shell (31). The shell (31) is sleeved on the outside of the first plug (21) and the second plug (25). A drawing groove (32) is provided on the outer wall of the shell (31), and a clamping groove (33) is provided on the inner wall of the shell (31).

3. The connection device for conductive charging of an electric vehicle according to claim 1, characterized in that: The right side wall of the first plug (21) is fitted with the left side wall of the second plug (25), the first plug pin (22) is inserted into the connection hole (28), and the first plug pin (22) and the second plug pin (26) cooperate with each other.

4. The conductive charging connection device for electric vehicles according to claim 1, characterized in that: The first plug pin (22) cooperates with the second plug hole (29), and the second plug pin (26) cooperates with the first plug hole (24).

5. The connection device for conductive charging of an electric vehicle according to claim 2, characterized in that: The card slot (33) is clamped on the first panel (23) and the second panel (27) of the fitting surfaces of the first plug (21) and the second plug (25).

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