High-voltage interlocking structure for electric vehicle charging seat

Abstract

The utility model relates to the field of connectors for new energy vehicles, and discloses a high-voltage interlocking structure for an electric vehicle charging seat. According to the new energy vehicle charging equipment, the fixing device is arranged on the lower portion of the equipment, the device is mainly composed of the supporting rod, the supporting rod fixing block, the suction cup and other structures, when the equipment charges a new energy vehicle, the suction cup on the lower portion can be adsorbed to the surface of the vehicle, and meanwhile force towards the surface of the vehicle is provided for the suction cup through an elastic structure in the supporting rod fixing block; and an internal air valve port can extract air in the suction cup, so that an internal vacuum state is realized, charging equipment can be prevented from falling off, and a powerful guarantee is provided for the charging process in the charging period without observation of people.

Description

TECHNICAL FIELD

[0001] The application belongs to the field of connectors for new energy vehicles, and particularly relates to a high-voltage interlocking structure for a charging seat of an electric vehicle. BACKGROUND

[0002] New energy vehicles refer to vehicles that use unconventional vehicle fuels as power sources (or use conventional vehicle fuels, adopt new vehicle power devices), and integrate advanced technologies of vehicle power control and driving, to form vehicles with advanced technical principles and new technologies and structures. New energy vehicles include pure electric vehicles, extended-range electric vehicles, hybrid electric vehicles, fuel cell electric vehicles, hydrogen engine vehicles, etc. High-voltage interlocking refers to a kind of interlocking protection mechanism formed by a series of electrical connections and monitoring devices. It is used to ensure the safe operation of high-voltage components during the charging, running and maintenance of electric vehicles. When the system detects potential safety risks, the high-voltage interlocking mechanism will immediately start and disconnect the high-voltage power supply to prevent electric shock, fire and other dangerous situations.

[0003] The application with the publication number CN209374766U discloses a new energy vehicle high-voltage waterproof interlocking connector, which belongs to the field of connectors for new energy vehicles. The new energy vehicle high-voltage waterproof interlocking connector includes a high-voltage interlocking connector body, a wiring port connected to the lower end of the high-voltage interlocking connector body, a cable connected to the wiring port, a half-shell protective sleeve provided between the wiring port and the cable, a pair of half-shell protective sleeves, a pair of connecting ears connected to the side walls of the pair of half-shell protective sleeves, a bolt connected between the two connecting ears, a flat seat connected to the high-voltage interlocking connector body, a plurality of positioning columns connected to the upper end of the flat seat, a threaded half-ring connected to the upper end of the half-shell protective sleeve, the threaded half-ring being threadedly connected to the flat seat, a plurality of spring grooves formed in the wiring port, a limiting block provided in the spring grooves, and a compression spring connected between the limiting block and the bottom end of the spring groove. The new energy vehicle high-voltage waterproof interlocking connector can be easily waterproofed and conveniently disassembled.

[0004] However, during the implementation of the application, it is found that the application does not have a safety anti-falling protection structure when the charging structure is working, which may cause unexpected situations during charging and interrupt the charging. Practical new type content

[0005] The application aims to solve the above-mentioned problems and provide a high-voltage interlocking structure for a charging seat of an electric vehicle.

[0006] The technical scheme adopted by the present application is as follows: a high-voltage interlocking structure for an electric vehicle charging seat, comprising a fixed block, a lower surface of the fixed block being fixedly connected with a lower supporting block, a lower surface center of the lower supporting block being welded with a support rod, an outer circumferential surface of the bottom of the support rod being provided with a support rod fixed block, an inner part of the support rod fixed block being provided with a moving groove, an inner end surface of the support rod located in the inner part of the support rod fixed block being fixedly connected with a disc, and an elastic column being mounted between surfaces of the disc.

[0007] By adopting the above technical scheme, a fixing device is arranged at the lower part of the equipment, which mainly comprises a support rod, a support rod fixed block and a suction disc and the like, when the equipment charges a new energy vehicle, the suction disc at the lower part can be adsorbed on the surface of the vehicle, at the same time, the elastic structure in the inner part of the support rod fixed block provides a force to the suction disc in the direction of the surface of the vehicle, so that a stronger adsorption effect is realized, and the inner air valve port can extract the air in the inner part of the suction disc, so that a vacuum state is realized, which can prevent the charging equipment from falling, and provides a powerful guarantee for the charging process during unattended observation.

[0008] Further, a rubber pad is slidably arranged on the front and rear end surfaces of the fixed block, a rear connecting block is fixedly connected to the front end of the rubber pad, a rear supporting block is fixedly connected to the front end surface of the rear connecting block, a magnetic fixed block is arranged on the front surface center of the rear supporting block, a rear side washer is fixedly connected to the front surface of the magnetic fixed block, an outer check ring is welded to the front end of the rear side washer, and a plug is arranged in the inner part of the outer check ring.

[0009] By adopting the above technical scheme, the magnetic fixed block is arranged on the front surface center of the rear supporting block, which aims to reduce the connection difficulty between the charging structure and the fixed plate, so that the charging head is more easily installed in the fixed plate structure, and at the same time, the charging head structure and the fixed plate can be easily disassembled, which is convenient for replacing different fixed plates to realize the function of charging more models of vehicles, and improves the practicality of the equipment use.

[0010] Further, a circuit pipe is arranged in the inner part of the rubber pad.

[0011] By adopting the above technical scheme, a layer of rubber pad is arranged on the outer surface of the charging circuit pipe, which aims to improve the user's grip experience, and at the same time, enhances the convenience of the equipment use, and prevents it from being separated during the user's gripping process.

[0012] Further, a fixed plate is arranged on the outer circumferential surface of the rear side washer, protruding blocks are fixedly connected to the front surface near the left and right side edges of the fixed plate, and an insertion block is arranged in the inner part of the fixed plate relative to the outer surface position of the rear side washer.

[0013] By adopting the technical scheme, the protruding block is arranged on the front surface of the fixing plate, so that the charging device is better fixed, and the fixing plate can well cover and protect the charging position, prevents liquid from contacting the charging position from outside to cause damage to the equipment and the vehicle, and improves the safety of charging.

[0014] Further, the front end surface of the support rod is provided with a suction cup.

[0015] By adopting the technical scheme, the fixing structure below the equipment is arranged in the suction cup mode, so that damage to the surface of the vehicle can be reduced, and the firmness is not affected.

[0016] Further, the inner bottom surface of the suction cup is provided with a gas valve port at the center position.

[0017] By adopting the technical scheme, the gas valve structure is arranged in the inside of the adsorption structure, so that the air in the inside of the suction cup can be extracted, instead of being pressed by force, damage to the paint of the vehicle is reduced, and better firmness is achieved.

[0018] Compared with the prior art, the beneficial effects of the present application are:

[0019] In the present application, the fixing device is arranged at the lower part of the equipment, which mainly comprises a support rod, a support rod fixing block and a suction cup, etc., when the equipment charges the new energy vehicle, the suction cup below can be adsorbed on the surface of the vehicle, and the elastic structure in the inside of the support rod fixing block provides a force to the suction cup in the direction of the surface of the vehicle, so that stronger adsorption effect is achieved, and the internal gas valve port can extract the air in the inside of the suction cup, so that the internal vacuum state is achieved, the charging equipment can be prevented from falling, and during the charging period without observation, the charging process is effectively guaranteed. A layer of rubber pad is arranged on the outer surface of the charging line pipe, which aims to improve the user's experience of holding feeling, and at the same time, the convenience of using the equipment is enhanced, so that the equipment can be prevented from being separated from the user during the holding process. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the front view of the overall structure of the present application;

[0021] Figure 2 It is the rear view of the overall structure in the present application;

[0022] Figure 3 It is the structure schematic view of the charging head in the present application;

[0023] Figure 4 It is the schematic view of the fixing structure in the present application.

[0024] Markings in the figure: 1. Fixing block; 2. Rear supporting block; 3. Insert block; 4. Outer retaining ring; 5. Plug; 6. Suction cup; 7. Valve port; 8. Support rod; 9. Support rod fixing block; 10. Fixing plate; 11. Protrusion; 12. Rubber pad; 13. Line pipe; 14. Lower supporting block; 15. Rear connecting block; 16. Rear side washer; 17. Magnetic fixing block; 18. Movable groove; 19. Elastic column; 20. Disc. DETAILED DESCRIPTION

[0025] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0026] Reference Figures 1-4 , a high-voltage interlocking structure for an electric vehicle charging station, comprising:

[0027] The fixing block 1 is fixedly connected to the lower surface of the aforementioned fixing block 1 with a lower receiving block 14, and a support rod 8 is welded to the center position of the lower surface of the aforementioned lower receiving block 14. The outer circumferential surface of the bottom of the aforementioned support rod 8 is provided with a support rod fixing block 9, and a movable groove 18 is opened inside the aforementioned support rod fixing block 9. The aforementioned support rod 8 is located on the inner end surface of the support rod fixing block 9 and is fixedly connected to a disc 20, and an elastic column 19 is installed between the surfaces of the aforementioned disc 20. A fixing device is provided at the lower part of the equipment, which is mainly composed of a support rod, a support rod fixing block and a suction cup. When the equipment is charging a new energy vehicle, the suction cup below can be adsorbed on the surface of the vehicle. At the same time, the elastic structure inside the support rod fixing block provides a force toward the vehicle surface for the suction cup to achieve a stronger adsorption effect, and the internal air valve port can extract the air inside the suction cup to achieve an internal vacuum state, which can prevent the charging device from falling and provide a strong guarantee for the charging process during unobserved charging.

[0028] The front and rear end surfaces of the aforementioned fixed block 1 are slidably provided with rubber pads 12, the front end of the aforementioned rubber pad 12 is fixedly connected with a rear connecting block 15, the front end surface of the aforementioned rear connecting block 15 is fixedly connected with a rear supporting block 2, the front surface of the aforementioned rear supporting block 2 is provided with a magnetic fixing block 17 at the center position, the front surface of the aforementioned magnetic fixing block 17 is fixedly connected with a rear side washer 16, the front end of the aforementioned rear side washer 16 is welded with an outer check ring 4, the inside of the aforementioned outer check ring 4 is provided with a plug 5, and a magnetic fixing block is arranged at the center position of the front surface of the rear supporting block, which is to reduce the connection difficulty between the charging structure and the fixed plate, make the charging head more easily installed in the fixed plate structure, and realize easy disassembly between the charging head structure and the fixed plate, facilitate replacement of different fixed plates, realize charging function for more models of vehicles, and improve the practicality of equipment use.

[0029] The inside of the aforementioned rubber pad 12 is provided with a wire pipe 13, and a layer of rubber pad is arranged on the outer surface of the charging wire pipe, which is to improve the user's experience of holding feeling, and at the same time, enhance the convenience of equipment use, prevent it from being separated during user's gripping process.

[0030] The outer circumferential surface of the aforementioned rear side washer 16 is provided with a fixed plate 10, the front surface of the aforementioned fixed plate 10 is fixedly connected with a protruding block 11 near the left and right two side edges, and the inside of the aforementioned fixed plate 10 is provided with a plug 3 relative to the position of the outer surface of the rear side washer 16, a protruding block is arranged on the front surface of the fixed plate to realize better fixing effect of the charging device, and at the same time, the fixed plate can well cover and protect the charging place, prevent external liquid from contacting the charging place to cause damage to the equipment and the vehicle, and improve the safety of charging.

[0031] The front end surface of the aforementioned supporting rod 8 is provided with a suction cup 6, the fixed structure below the equipment is arranged in the mode of suction cup, which can reduce the damage to the surface of the vehicle and will not affect the firmness.

[0032] The inside bottom surface of the aforementioned suction cup 6 is provided with an air valve port 7, and an air valve structure is arranged in the inside of the suction structure, which can extract the air in the inside of the suction cup instead of using the mode of pressing hard, reduce the damage to the paint, and has better firmness effect.

[0033] Working principle: the lower part of the equipment is provided with a fixing device, which is mainly composed of a supporting rod, a supporting rod fixing block and a suction cup, etc., when the equipment charges the new energy automobile, the suction cup below can be adsorbed on the surface of the vehicle, at the same time, the elastic structure in the inside of the supporting rod fixing block provides a force to the suction cup in the direction of the surface of the vehicle, realizes stronger adsorption effect, and the inside air valve port can extract the air in the inside of the suction cup, realizes the vacuum state in the inside, can prevent the charging equipment from falling, provides powerful guarantee for the charging process during unattended charging.

[0034] The above examples are only used to illustrate the technical solutions of the present application, but not to limit the present application; although the present application has been described in detail with reference to the foregoing examples, those ordinarily skilled in the art should understand: the technical solutions recorded in the foregoing examples can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A high voltage interlock structure for an electric vehicle charging station comprising a fixing block (1), characterized in that: The lower surface of the fixed block (1) is fixedly connected with a lower supporting block (14), the lower surface center of the lower supporting block (14) is welded with a supporting rod (8), the bottom outer circumferential surface of the supporting rod (8) is provided with a supporting rod fixed block (9), the inside of the supporting rod fixed block (9) is provided with a moving groove (18), the inside end surface of the supporting rod (8) is fixedly connected with a disc (20), and the surface of the disc (20) is mounted with an elastic column (19).

2. A high voltage interlock structure for an electric vehicle charging station as defined in claim 1, wherein: The front and rear end surfaces of the fixed block (1) are slidably provided with rubber pads (12), the front end of the rubber pad (12) is fixedly connected with a rear connecting block (15), the front end surface of the rear connecting block (15) is fixedly connected with a rear supporting block (2), the front surface center of the rear supporting block (2) is provided with a magnetic fixed block (17), the front surface of the magnetic fixed block (17) is fixedly connected with a rear gasket (16), the front end of the rear gasket (16) is welded with an outer check ring (4), and the inside of the outer check ring (4) is provided with a plug (5).

3. A high voltage interlock structure for an electric vehicle charging station as defined in claim 2, wherein: The inside of the rubber pad (12) is provided with a circuit tube (13).

4. A high voltage interlock structure for an electric vehicle charging station as defined in claim 2, wherein: The outer circumferential surface of the rear gasket (16) is provided with a fixed plate (10), the front surface of the fixed plate (10) is fixedly connected with a protruding block (11) near the left and right two side edges, and the inside of the fixed plate (10) is provided with an inserting block (3) relative to the outer surface position of the rear gasket (16).

5. A high voltage interlock structure for an electric vehicle charging station as defined in claim 1, wherein: The front end surface of the supporting rod (8) is provided with a suction disc (6).

6. A high voltage interlock structure for an electric vehicle charging station as defined in claim 5, wherein: The inside bottom surface center of the suction disc (6) is provided with an air valve port (7).

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