Dynamic waterproof sealed charging connection device and charging equipment

Abstract

The utility model provides a dynamic waterproof sealed charging connection device, comprising a charging socket which comprises a socket housing for plugging a charging gun and a charging interface which is arranged in the socket housing and is used for electrically connecting the charging gun, and the lower part of the socket housing adjacent to the charging interface is provided with a lock hole; the water receiving tank is arranged below the socket shell, the upper part of the water receiving tank is hermetically connected with the socket shell and surrounds the lock hole, and the lower part of the water receiving tank is provided with a sealing hole corresponding to the lock hole; the electronic lock is arranged below the water receiving tank, the electronic lock comprises a lock shell and a locking rod capable of moving up and down relative to the lock shell, the locking rod can sequentially penetrate through the sealing hole and the lock hole to enter the socket shell, and the locking rod is connected with the sealing hole in a sealed mode; and the water retaining ring is positioned below the socket shell and is sleeved on the locking rod in a sealing manner, so that a good waterproof connection effect is realized. The utility model also provides a charging device using the charging connection device.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy vehicle charging, and more specifically, to a dynamic waterproof and sealed charging connection device, and a charging device including the charging connection device. Background Art

[0002] With the rapid development of the times and the improvement of people's living standards, cars are becoming more and more popular. In the current automobile market, new energy vehicles account for a considerable proportion. With the development of automobile intelligence, new energy vehicles are increasingly becoming people's first choice when choosing a car.

[0003] New energy vehicles mainly include electric vehicles and hybrid vehicles. All electric vehicles and most hybrid vehicles have charging interfaces. New energy vehicles are charged by connecting to charging connection devices through the charging interfaces to meet further usage needs.

[0004] The charging connection device is an indispensable device for charging new energy vehicles. Some existing charging connection devices are installed in outdoor parking environments. Waterproofing of the charging end during the charging process is an important technical issue. The poor waterproofing may cause damage to the equipment at the least and safety accidents at the worst. The waterproof structure of the charging interface of the existing charging connection device has problems such as complex structure or poor waterproof effect, which cannot meet user needs well. Utility Model Content

[0005] In view of the above, the present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a dynamically waterproof and sealed charging connection device and charging equipment. Based on the structure of an electronic lock disposed below the charging socket, a sealing water barrier is provided on the locking rod. This achieves the purpose of draining any water that may enter the socket housing, preventing water from flowing along the surface of the locking rod into other areas of the electronic lock and causing damage to the equipment. At the same time, the charging connection device has a simple structure and is suitable for large-scale industrial production.

[0006] To this end, in a first aspect, an embodiment of the present invention provides a dynamically waterproof and sealed charging connection device, comprising:

[0007] The charging socket includes a socket housing for plugging and unplugging the charging gun and a charging interface located within the socket housing and for electrically connecting the charging gun. The socket housing has a lock hole at its lower portion adjacent to the charging interface.

[0008] A water receiving box is provided below the socket housing, wherein the upper portion of the water receiving box is sealedly connected to the socket housing and surrounds the lock hole, and the lower portion of the water receiving box is provided with a sealing hole corresponding to the lock hole;

[0009] An electronic lock is arranged below the water receiving tank, the electronic lock comprising a lock housing and a locking rod capable of moving up and down relative to the lock housing, the locking rod being capable of sequentially passing through the sealing hole and the lock hole into the socket housing, and the locking rod being sealingly connected to the sealing hole; and

[0010] A water blocking ring is arranged below the socket housing and sealingly covers the locking rod.

[0011] Preferably, the radial dimension of the outer edge of the water blocking ring is greater than the radial dimension of the lock hole; and / or,

[0012] The water blocking ring is substantially umbrella-shaped, and the water blocking ring extends downwardly and obliquely from near to far relative to the locking rod.

[0013] Preferably, the water blocking ring comprises a connecting wall sealingly connected to the locking rod and a water blocking wall extending outwardly from the upper edge of the connecting wall.

[0014] Preferably, the inner side of the connecting wall is provided with a sealing rib, and the locking rod is provided with a sealing groove corresponding to the sealing rib; and / or

[0015] Further comprising a clamping ring arranged between the connecting wall and the water blocking wall and clamping the connecting wall from the outside.

[0016] Preferably, further comprising a first sealing ring, and the locking rod is sealingly connected to the sealing hole through the first sealing ring.

[0017] Preferably, the first sealing ring comprises a sealing wall sealingly connected to the locking rod and a limiting wall extending outwardly from the lower edge of the sealing wall, and the water receiving tank is provided with a limiting groove corresponding to the limiting wall around the sealing hole.

[0018] Preferably, the water receiving tank comprises a side wall, a first bottom wall extending inwardly from the lower edge of the side wall and spaced apart from the locking rod, a butt wall extending upwardly and obliquely from the inner edge of the first bottom wall and abutting against the sealing wall, and a second bottom wall extending inwardly after extending vertically from below the first bottom wall, and the first bottom wall and the second bottom wall enclose the limiting groove.

[0019] Preferably, the sealing wall is provided with a first sealing convex rib connected to the locking rod; and / or, the limiting wall is provided with a second sealing convex rib connected to the limiting groove.

[0020] Preferably, a second sealing ring is arranged between the connecting structure of the water receiving tank and the socket housing; and / or,

[0021] The electronic lock further comprises a driver arranged in the lock housing for driving the locking rod to move; and / or,

[0022] The water receiving tank is fixed to the lock housing by crimping or welding.

[0023] In a second aspect, the embodiment of the present application further provides a charging device, comprising the charging connection device according to the first aspect and a power supply device electrically connected to the charging interface.

[0024] The charging connection device and the charging device provided by the utility model have the structure that the electronic lock is arranged below the charging socket, the water receiving tank is arranged between the charging socket and the electronic lock, the locking rod passes through the water receiving tank and cooperates with the charging socket to realize the locking and unlocking functions, the water receiving tank is sealed to the bottom of the water receiving tank through the water blocking ring, the water receiving tank is communicated with the socket housing, the water inflow of the socket housing is drained, the water flow is prevented from flowing into other areas of the charging connection device, such as the internal circuit module of the electronic lock, and the equipment damage is avoided, the charging connection device has the simple structure and the high waterproof effect, and good use experience is provided for the user. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A three-dimensional structure schematic view of the dynamic waterproof sealed charging connection device provided by the embodiment of the utility model is shown in the figure.

[0026] Figure 2 A three-dimensional structure schematic view of the charging connection device in the embodiment is shown in the figure. Figure 1 A three-dimensional structure schematic view of the charging connection device in the embodiment is shown in the figure.

[0027] Figure 3 A three-dimensional structure schematic view of the charging connection device in the embodiment is shown in the figure. Figure 1 An exploded structure schematic view of the charging connection device in the embodiment is shown in the figure.

[0028] Figure 4 A sectional structure schematic view of the charging connection device along line A-A in the embodiment is shown in the figure. Figure 1 A sectional structure schematic view of the charging connection device along line A-A in the embodiment is shown in the figure.

[0029] Figure 5 An enlarged view of the B area in the embodiment is shown in the figure. Figure 4 An enlarged view of the B area in the embodiment is shown in the figure.

[0030] Figure 6 A side view of the charging connection device in the embodiment is shown in the figure. Figure 2 A side view of the charging connection device in the embodiment is shown in the figure. DETAILED DESCRIPTION

[0031] The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as a limitation of the utility model.

[0032] The disclosure below provides many different embodiments or examples for implementing different structures of the present application. For the sake of simplicity, the description below of the specific examples will not be exhaustive of the application. Indeed, the application will be described with additional specificity and detail to convey the requisite technical disclosure. Moreover, the application will be presented in terms of specific examples only, which will provide additional examples for implementing the application for different situations and environments. Further, the described implementation can be implemented in different examples and examples can be implemented in different environments. Still further, specific details are not to be interpreted as limiting, but rather as a representation of the exemplary examples. Techniques described can be used in a variety of ways not specifically described in this detailed description.

[0033] Reference will now be made to Figures 1 to 6 The present application aims to provide a dynamic waterproof sealing charging connection device 100, which can be used in charging equipment, such as public charging service station charging equipment or private parking personal charging equipment, or vehicle body charging port, to realize the connection between the charging equipment and the charging gun of new energy vehicles, and then charge the new energy vehicles.

[0034] The charging connection device 100 comprises:

[0035] The charging socket 10 comprises a socket shell 11 for plugging and unplugging the charging gun and a charging interface 12 in the socket shell 11 for electrically connecting the charging gun, and a lock hole 13 is opened in the lower part of the socket shell 11 adjacent to the charging interface 12;

[0036] The water receiving tank 20 is arranged below the socket shell 11, the upper part of the water receiving tank 20 is sealingly connected to the socket shell 11 and surrounds the lock hole 13, and the lower part of the water receiving tank 20 is provided with a sealing hole 21 corresponding to the lock hole 13;

[0037] The electronic lock 30 is arranged below the water receiving tank 20, the electronic lock 30 comprises a lock shell 31 and a locking rod 32 capable of moving up and down relative to the lock shell 31, the locking rod 32 can pass through the sealing hole 21 and the lock hole 13 in sequence and enter the socket shell 11, and the locking rod 32 is sealingly connected to the sealing hole 21; and

[0038] The water blocking ring 40 is located below the socket shell 11 and sealingly covers the locking rod 32.

[0039] The electronic lock 30 is arranged below the charging socket 10, and the locking rod 32 of the electronic lock can move into the socket housing 11, which meets the NACS North American charging standard. Further, a water receiving tank 20 is arranged between the electronic lock 30 and the charging socket 10, the locking rod 32 is arranged to pass through the water receiving tank 20, and the bottom of the water receiving tank 20 is in sealing connection with the locking rod 32. The upper part of the locking rod 32 is provided with a water blocking ring 40, which can block and drain the water droplets or water flow that may appear on the socket housing 11 of the charging socket 10, and will not allow the water droplets or water flow to enter the area where the electronic lock 30 is located along the surface of the locking rod 32. The structure is simple, stable, and has good waterproof effect.

[0040] Further, the radial dimension of the outer edge of the water blocking ring 40 is greater than the radial dimension of the lock hole 13. In the embodiment, by arranging the water blocking ring 40 with a larger radial dimension, the projection area of the water blocking ring 40 is greater than the projection area of the lock hole 13, which can block and drain all the water droplets or water flow flowing down the lock hole 13, and achieve good waterproof effect.

[0041] Specifically, the water blocking ring 40 is generally umbrella-shaped, and the water blocking ring 40 extends downward from near to far relative to the locking rod 32. The water blocking ring 40 is arranged in an umbrella-shaped structure, which is more conducive to guiding water droplets or water flow.

[0042] Further, the water blocking ring 40 includes a connecting wall 41 sealingly connected to the locking rod 32 and a water blocking wall 42 extending outwardly from the upper edge of the connecting wall 41. In the embodiment, by arranging the connecting wall 41 and the water blocking wall 42, the connecting wall 42 is in surface connection with the locking rod 32, which enhances the sealing effect of the connection structure of the water blocking ring 40 and the locking rod 32, while still maintaining good water blocking and draining effect.

[0043] Further, the inner side of the connecting wall 41 is provided with a sealing rib 411, and the locking rod 32 is provided with a sealing groove 321 corresponding to the sealing rib 411. In the embodiment, the matching structure of the convex rib and the concave groove is additionally arranged between the connecting surface of the connecting wall 41 and the locking rod 32, which further increases the stability and sealing property of the connection structure.

[0044] Further, the charging connection device 100 further includes a clamping ring 50 arranged between the connecting wall 41 and the water blocking wall 42 and clamping the connecting wall 41 from the outside. In the embodiment, the fastening ring 50 is additionally arranged on the outside of the connecting wall 41, which can further press the connection structure of the connecting wall 41 and the locking rod 32, and enhance the connection stability and sealing property.

[0045] Further, the charging connection device 100 further comprises a first sealing ring 60, and the locking rod 32 is sealingly connected to the sealing hole 21 through the first sealing ring 60. In the embodiment, the locking rod 32 is sealingly connected to the sealing hole 21 of the water receiving tank 20 through the first sealing ring 60. It can be understood that in other embodiments, the first sealing ring 60 can also be omitted, and the locking rod 32 is directly in contact with the sealing hole 21 of the water receiving tank 20.

[0046] Further, the first sealing ring 60 comprises a sealing wall 61 sealingly connecting the locking rod 32 and a limiting wall 62 extending outwardly from the lower edge of the sealing wall 61, and the water receiving tank 20 is provided with a limiting groove 22 corresponding to the limiting wall 62. In the embodiment, the first sealing ring 60 is a convex sealing ring, and the sealing wall 61 is in surface contact with the locking rod 32 to achieve sealing connection, and the limiting wall 62 is in limiting cooperation with the water receiving tank 20, so that the position of the sealing hole 21 is always kept in sealing connection with the locking rod 32.

[0047] Further, the water receiving tank 20 comprises a side wall 23, a first bottom wall 24 extending inwardly from the lower edge of the side wall 23 and spaced from the locking rod 32, an abutting wall 25 extending upwardly and abutting against the sealing wall 61 from the inner edge of the first bottom wall 24, and a second bottom wall 26 extending inwardly from the lower edge of the first bottom wall 24, wherein the first bottom wall 24 and the second bottom wall 26 surround the limiting groove 22. In the embodiment, the bottom of the water receiving tank 20 is provided with a special-shaped structure, which further strengthens the connection structure of the first sealing ring 60, thereby strengthening the sealing connection structure of the water receiving tank 20 and the locking rod 32.

[0048] Further, the sealing wall 61 is provided with a first sealing convex rib (not shown in the figure) connected to the locking rod 32, for strengthening the sealing connection of the first sealing ring 60 and the locking rod 32. The limiting wall 62 is provided with a second sealing convex rib 622 connected to the limiting groove 22, for strengthening the sealing connection of the first sealing ring 60 and the bottom of the water receiving tank 20.

[0049] Further, the water receiving tank 20 further comprises a drain pipe 27, and the drain pipe 27 is communicated with the outside from the bottom of the water receiving tank 20. In the embodiment, the water receiving tank 20 drains the water in the water receiving tank 20 to the outside through the drain pipe 27, avoiding the accumulation of water.

[0050] In another embodiment, the bottom of the water collecting tank 20 is inclined downward from the locking rod 32 to the far end, and the drain pipe 27 is arranged at the position far from the locking rod 32, so that the accumulation of water in the water collecting tank 20 can be further avoided, and the water can be discharged outside. It can be understood that the position of the locking rod 32 corresponding to the water collecting tank 20 is at the first end, the drain pipe 27 is arranged at the second end opposite to the first end, and the bottom of the water collecting tank 20 is inclined from the first end to the second end to form a self-flowing surface, which is beneficial to the discharge of accumulated water.

[0051] Further, a second sealing ring 70 is arranged between the connection structure of the water collecting tank 20 and the socket shell 11. The sealing ring 70 is specifically an irregular sealing ring, which is adapted to the interface shape of the connection part of the water collecting tank 20 and the socket shell 11.

[0052] Further, the electronic lock 30 further comprises a driver 33 arranged in the lock shell 31, which is used to drive the movement of the locking rod 32.

[0053] Further, the water collecting tank 20 and the lock shell 31 are fixed by crimping or welding.

[0054] In the second aspect, the utility model further provides a charging device, which comprises the charging connection device according to the first aspect and a power supply device electrically connected with the charging interface.

[0055] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0056] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A dynamically water-tight sealed charging connection device, characterized in that, The charging connection device comprises: a charging socket comprising a socket shell for plugging a charging gun and a charging interface in the socket shell for electrically connecting the charging gun, the socket shell being provided with a lock hole at a lower part adjacent to the charging interface; a water receiving tank arranged below the socket shell, the upper part of the water receiving tank being sealingly connected to the socket shell and surrounding the lock hole, and the lower part of the water receiving tank being provided with a sealing hole corresponding to the lock hole; an electronic lock arranged below the water receiving tank, the electronic lock comprising a lock shell and a locking rod capable of moving up and down relative to the lock shell, the locking rod being capable of sequentially passing through the sealing hole and the lock hole into the socket shell, and the locking rod being sealingly connected to the sealing hole; and a water blocking ring arranged below the socket shell and sealingly surrounding the locking rod. The radial dimension of the outer edge of the water blocking ring is greater than the radial dimension of the lock hole; and / or 2. The charging connection arrangement according to claim 1, characterized in that The water blocking ring is substantially umbrella-shaped, and the water blocking ring is inclined downward from near to far relative to the locking rod. The water blocking ring comprises a connecting wall sealingly connected to the locking rod and a water blocking wall extending outward from the upper edge of the connecting wall.

3. The charging connection arrangement according to claim 1, characterized in that, The inner side of the connecting wall is provided with a sealing rib, and the locking rod is provided with a sealing groove corresponding to the sealing rib; and / or 4. The charging connection arrangement according to claim 3, characterized in that The device further comprises a clamping ring arranged between the connecting wall and the water blocking wall and clamping the connecting wall from the outside. The device further comprises a first sealing ring, and the locking rod is sealingly connected to the sealing hole through the first sealing ring.

5. The charging connection arrangement according to claim 1, characterized in that, The first sealing ring comprises a sealing wall sealingly connected to the locking rod and a limiting wall extending outward from the lower edge of the sealing wall, and the water receiving tank is provided with a limiting groove corresponding to the limiting wall around the sealing hole.

6. The charging connection arrangement according to claim 5, characterized by The water receiving tank comprises a side wall, a first bottom wall extending inward from the lower edge of the side wall and spaced apart from the locking rod, a butt wall extending upwardly and abutting against the sealing wall from the inner edge of the first bottom wall, and a second bottom wall extending inwardly after extending vertically from below the first bottom wall, and the first bottom wall and the second bottom wall surround the limiting groove.

7. The charging connection arrangement according to claim 6, characterized by The sealing wall is provided with a first sealing convex rib connected to the locking rod; and / or the limiting wall is provided with a second sealing convex rib connected to the limiting groove.

8. The charging connection arrangement according to claim 6, characterized by The water receiving tank further comprises a drain pipe, and the drain pipe is communicated with the outside from the bottom of the water receiving tank; and / or 9. The charging connection arrangement according to claim 1, characterized in that, A second sealing ring is arranged between the connection structure of the water receiving tank and the socket shell; and / or The electronic lock further comprises a driver arranged in the lock shell for driving the locking rod to move; and / or The water receiving tank and the lock shell are fixed by crimping or welding. The device comprises the charging connection device according to any one of claims 1-9 and a power supply device electrically connected to the charging interface.

10. A charging device, characterized by ​

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