Dynamic waterproof sealed charging connection device and charging equipment

Abstract

The invention provides a dynamic waterproof sealed charging connection device, and the device comprises a charging socket which comprises a socket housing for plugging a charging gun and a charging interface which is located in the socket housing and is used for electrically connecting the charging gun, and the lower part, adjacent to the charging interface, of the socket housing 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 invention also provides charging equipment using the charging connection device.

Description

Technical Field

[0001] The present invention relates to the technical field of new energy vehicle charging, and more specifically, to a dynamically waterproof and sealed charging connection device, and a charging device comprising 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 the first choice for people to choose cars.

[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 arranged in outdoor parking environments. Waterproofing of the charging end during charging is an important technical issue. The disadvantage of 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. Summary of the invention

[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 dynamic waterproof and sealed charging connection device and charging equipment. Based on the structure that the electronic lock is arranged below the charging socket, a sealing water retaining plate is arranged on the locking rod, which realizes the drainage of possible water inflow into the socket housing, and prevents water from flowing into other areas of the electronic lock along the surface of the locking rod, causing damage to the equipment. At the same time, the charging connection device has a simple structure and is suitable for application in 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] A charging socket, comprising a socket housing for plugging and unplugging a charging gun and a charging interface located in the socket housing and used to electrically connect the charging gun, wherein a lock hole is provided at the lower portion of the socket housing adjacent to the charging interface;

[0008] A water receiving box is arranged below the socket housing, the upper part of the water receiving box is sealedly connected to the socket housing and surrounds the lock hole, and the lower part 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 box, the electronic lock comprises a lock housing and a locking rod capable of moving up and down relative to the lock housing, the locking rod can sequentially pass through the sealing hole and the lock hole to enter the socket housing, and the locking rod is sealingly connected to the sealing hole; and

[0010] A water retaining ring is located below the socket housing and is sealingly sleeved on the locking rod.

[0011] Preferably, the radial dimension of the outer edge of the water retaining ring is larger than the radial dimension of the locking hole; and / or,

[0012] The water retaining ring is roughly umbrella-shaped, and extends obliquely downward from near to far relative to the locking rod.

[0013] Preferably, the water retaining ring includes a connecting wall sealingly connected to the locking rod and a water retaining wall extending outward from the upper edge of the connecting wall.

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

[0015] It also includes a tightening ring, which is arranged between the connecting wall and the water retaining wall and tightens the connecting wall from the outside.

[0016] Preferably, it further comprises a first sealing ring, and the locking rod is sealedly connected to the sealing hole via the first sealing ring.

[0017] Preferably, the first sealing ring includes 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 box is provided with a limiting groove corresponding to the limiting wall around the sealing hole.

[0018] Preferably, the water receiving box includes a side wall, a first bottom wall extending inward from the lower edge of the side wall and spaced from the locking rod, a top wall extending obliquely upward from the inner edge of the first bottom wall and abutting against the sealing wall, and a second bottom wall extending vertically from below the first bottom wall and then extending inward, and the first bottom wall and the second bottom wall form the limiting groove.

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

[0020] Preferably, a second sealing ring is provided between the connection structure between the water receiving box and the socket housing; and / or,

[0021] The electronic lock further comprises a driver, which is disposed in the lock housing and is used to drive the locking rod to move; and / or,

[0022] The water receiving box and the lock housing are fixed by crimping or welding.

[0023] In a second aspect, an embodiment of the present invention 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 charging equipment provided by the present invention are based on the structure that the electronic lock is arranged below the charging socket, and a water receiving box is arranged between the charging socket and the electronic lock. The locking rod passes through the water receiving box and cooperates with the charging socket to realize the locking and unlocking functions. The water retaining ring sealing sleeve is arranged on the locking rod and the locking rod is sealed and connected to the bottom of the water receiving box, so that the water receiving box is connected to the socket shell, and the possible water inflow of the socket shell is drained, so that the water flow is prevented from flowing along the surface of the locking rod into other areas of the charging connection device, such as the internal circuit module of the electronic lock, thereby avoiding damage to the equipment. The charging connection device has a simple structure and has a high waterproof effect, providing users with a good use experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic diagram of the three-dimensional structure of a dynamic waterproof and sealed charging connection device provided in an embodiment of the present invention;

[0026] Figure 2 for Figure 1 A schematic diagram of the three-dimensional structure of the charging connection device with some components omitted;

[0027] Figure 3 for Figure 1 Schematic diagram of the exploded structure of the charging connection device;

[0028] Figure 4 for Figure 1 A schematic cross-sectional view of the charging connection device along line AA;

[0029] Figure 5 for Figure 4 Enlarged view of area B;

[0030] Figure 6 for Figure 2 Side view of the charging connection device in the figure. DETAILED DESCRIPTION

[0031] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0032] The disclosure below provides many different embodiments or examples to implement different structures of the present invention. In order to simplify the disclosure of the present invention, the parts and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present invention. In addition, the present invention can repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplicity and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present invention provides various specific processes and examples of materials, but those of ordinary skill in the art can be aware of the applicability of other processes and / or the use of other materials.

[0033] Please refer to Figures 1 to 6 The purpose of the present invention is to provide a dynamically waterproof and sealed charging connection device 100. Among the charging devices, the charging device can be a charging device at a public charging service station or a personal charging device in a private parking space, or it can be a vehicle body charging port. The charging connection device 100 is used to realize the connection between the charging device and the charging gun of the new energy vehicle, thereby charging the new energy vehicle.

[0034] The charging connection device 100 comprises:

[0035] The charging socket 10 includes a socket housing 11 for plugging and unplugging the charging gun and a charging interface 12 located in the socket housing 11 and used to electrically connect the charging gun. A lock hole 13 is provided at the lower portion of the socket housing 11 adjacent to the charging interface 12.

[0036] A water receiving box 20 is disposed below the socket housing 11. The upper portion of the water receiving box 20 is sealed and connected to the socket housing 11 and surrounds the lock hole 13. The lower portion of the water receiving box 20 is provided with a sealing hole 21 corresponding to the lock hole 13.

[0037] An electronic lock 30 is disposed below the water receiving box 20, and includes a lock housing 31 and a locking rod 32 that can move up and down relative to the lock housing 31, and the locking rod 32 can sequentially pass through the sealing hole 21 and the lock hole 13 to enter the socket housing 11, and the locking rod 32 is sealed and connected to the sealing hole 21; and,

[0038] The water retaining ring 40 is located below the socket housing 11 and is sealingly sleeved on the locking rod 32 .

[0039] In this embodiment, an electronic lock 30 is provided below the charging socket 10, and the locking rod 32 of the electronic lock can move into the socket housing 11, and this structure meets the NACS North American charging standard. A water receiving box 20 is further provided between the electronic lock 30 and the charging socket 10, and the locking rod 32 is provided to be able to pass through the water receiving box 20. At the same time, the bottom of the water receiving box 20 is sealedly connected to the locking rod 32, and a water retaining ring 40 is provided on the upper part of the locking rod 32, which can block and guide the water droplets or water flow that may appear in the socket housing 11 of the charging socket 10 to the water receiving box 20, and will not allow 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 and stable, and has a good waterproof effect.

[0040] Furthermore, the radial dimension of the outer edge of the water retaining ring 40 is larger than the radial dimension of the lock hole 13. In this embodiment, by providing a water retaining ring 40 with a larger radial dimension, whose projected area is larger than the projected area of ​​the lock hole 13, all water drops or water flows flowing down the lock hole 13 can be blocked and drained, achieving a good waterproof effect.

[0041] Specifically, the water retaining ring 40 is roughly umbrella-shaped, and the water retaining ring 40 extends downwardly from near to far relative to the locking rod 32. The water retaining ring 40 is arranged in an umbrella-shaped structure, which is further conducive to guiding water drops or water flows.

[0042] Furthermore, the water retaining ring 40 includes a connecting wall 41 sealingly connected to the locking rod 32 and a water retaining wall 42 extending outward from the upper edge of the connecting wall 41. In this embodiment, by providing the connecting wall 41 and the water retaining wall 42, the connecting wall 42 and the locking rod 32 are connected in a surface manner, thereby enhancing the sealing effect of the connection structure between the water retaining ring 40 and the locking rod 32, while still maintaining a good water retaining and drainage effect.

[0043] Furthermore, a sealing rib 411 is provided on the inner side of the connecting wall 41, and a sealing groove 321 corresponding to the sealing rib 411 is provided on the locking rod 32. In this embodiment, a matching structure of a convex rib and a groove is additionally provided between the connecting surfaces of the connecting wall 41 and the locking rod 32, further increasing the stability and sealing of the connecting structure.

[0044] Furthermore, the charging connection device 100 further includes a tightening ring 50, which is disposed between the connecting wall 41 and the water retaining wall 42 and tightens the connecting wall 41 from the outside. In this embodiment, the tightening ring 50 is additionally disposed on the outside of the connecting wall 41, which can further tighten the connection structure between the connecting wall 41 and the locking rod 32, thereby enhancing the connection stability and sealing.

[0045] Further, the charging connection device 100 further includes a first sealing ring 60, and the locking rod 32 is sealed and connected to the sealing hole 21 through the first sealing ring 60. In this embodiment, the locking rod 32 and the sealing hole 21 of the water receiving box 20 are sealed and connected 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 and the sealing hole 21 of the water receiving box 20 are directly contacted and sealed.

[0046] Furthermore, the first sealing ring 60 includes a sealing wall 61 that is sealed to the locking rod 32 and a limiting wall 62 that extends outward from the lower edge of the sealing wall 61. The water receiving box 20 is provided with a limiting groove 22 around the sealing hole 21 to receive the limiting wall 62. In this embodiment, the first sealing ring 60 is a convex sealing ring, which is sealed in surface contact with the locking rod 32 through the sealing wall 61. The limiting wall 62 is limited and matched with the water receiving box 20, so that the position of the sealing hole 21 is always kept in a sealed connection with the locking rod 32.

[0047] Further, the water receiving box 20 includes 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, a top wall 25 extending obliquely upwardly from the inner edge of the first bottom wall 24 and abutting against the sealing wall 61, and a second bottom wall 26 extending vertically from the bottom of the first bottom wall 24 and then extending inwardly, and the first bottom wall 24 and the second bottom wall 26 enclose the limiting groove 22. In this embodiment, by setting the bottom of the water receiving box 20 as a special-shaped structure, the connection structure with the first sealing ring 60 is further strengthened, thereby strengthening the sealing connection structure between the water receiving box 20 and the locking rod 32.

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

[0049] Furthermore, the water receiving box 20 further includes a drain pipe 27, and the drain pipe 27 is connected to the outside through the bottom of the water receiving box 20. In this embodiment, the water receiving box 20 discharges the water in the water receiving box 20 to the outside through the drain pipe 27 to avoid water accumulation.

[0050] In another embodiment, the bottom of the water receiving box 20 is arranged to be tilted downward from near to far relative to the locking rod 32, and the drain pipe 27 is arranged at a position at the bottom relatively far from the locking rod 32, so that the water in the water receiving box 20 can be further prevented from accumulating and discharged to the outside immediately. It can be understood that the locking rod 32 corresponds to the position of the water receiving box 20 at the first end, the drain pipe 27 is arranged at the opposite second end, and the bottom of the water receiving box 20 is arranged to be tilted from the first end to the second end to form a self-flowing surface, which is conducive to the discharge of accumulated water.

[0051] Furthermore, a second sealing ring 70 is provided between the connection structure of the water receiving box 20 and the socket housing 11. The sealing ring 70 is specifically provided as a special-shaped sealing ring, which is adapted to the interface shape of the connection part between the water receiving box 20 and the socket housing 11.

[0052] Furthermore, the electronic lock 30 further includes a driver 33 , which is disposed in the lock housing 31 and is used to drive the locking rod 32 to move.

[0053] Furthermore, the water receiving box 20 and the lock housing 31 are fixed by crimping or welding.

[0054] In a second aspect, an embodiment of the present invention 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.

[0055] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0056] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A dynamic waterproof sealed charging connection device, characterized in that: include: A charging socket, comprising a socket housing for plugging and unplugging a charging gun and a charging interface located in the socket housing and used to electrically connect the charging gun, wherein a lock hole is provided at the lower portion of the socket housing adjacent to the charging interface; A water receiving box is arranged below the socket housing, the upper part of the water receiving box is sealedly connected to the socket housing and surrounds the lock hole, and the lower part of the water receiving box is provided with a sealing hole corresponding to the lock hole; An electronic lock is arranged below the water receiving box, the electronic lock comprises a lock housing and a locking rod capable of moving up and down relative to the lock housing, the locking rod can sequentially pass through the sealing hole and the lock hole to enter the socket housing, and the locking rod is sealingly connected to the sealing hole; as well as, A water retaining ring is located below the socket housing and is sealingly sleeved on the locking rod.

2. The charging connection device according to claim 1, characterized in that: The radial dimension of the outer edge of the water retaining ring is greater than the radial dimension of the locking hole; and / or, The water retaining ring is roughly umbrella-shaped, and extends obliquely downward from near to far relative to the locking rod.

3. The charging connection device according to claim 1, characterized in that: The water retaining ring comprises a connecting wall which is sealingly connected to the locking rod and a water retaining wall which extends outward from the upper edge of the connecting wall.

4. The charging connection device according to claim 3, 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 It also includes a tightening ring, which is arranged between the connecting wall and the water retaining wall and tightens the connecting wall from the outside.

5. The charging connection device according to claim 1, characterized in that: It also includes a first sealing ring, and the locking rod is sealed and connected to the sealing hole through the first sealing ring.

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

7. The charging connection device according to claim 6, characterized in that: The water receiving box includes 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 top wall extending obliquely upward from the inner edge of the first bottom wall and abutting against the sealing wall, and a second bottom wall extending vertically from below the first bottom wall and then extending inward, the first bottom wall and the second bottom wall enclose the limiting groove.

8. The charging connection device according to claim 6, characterized in that: The sealing wall is provided with a first sealing rib connected to the locking rod; and / or the limiting wall is provided with a second sealing rib connected to the limiting groove.

9. The charging connection device according to claim 1, characterized in that: The water receiving box further comprises a drain pipe, and the drain pipe is connected to the outside through the bottom of the water receiving box; and / or, A second sealing ring is provided between the connection structure between the water receiving box and the socket housing; and / or, The electronic lock further comprises a driver, which is disposed in the lock housing and is used to drive the locking rod to move; and / or, The water receiving box and the lock housing are fixed by crimping or welding.

10. A charging device, characterized in that: It comprises a charging connection device according to any one of claims 1 to 9 and a power supply device electrically connected to the charging interface.

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