Telescopic new energy vehicle plug with protection structure
By designing an annular protective frame and negative pressure device in the plug for new energy vehicles, the problems of unsmoothing and lack of protection when the charging gun is removed are solved, the buffering of collision force and the removal of water stains is achieved, and the protection and service life of the equipment are improved.
Patent Information
- Application Number
- CN202510006334.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2045-01-03
AI Technical Summary
When the existing charging gun is removed from an electric vehicle, the pushing parts are not smooth enough and are easily loose, lacking protection, which affects the charging process and service life.
A retractable new energy vehicle plug with a protective structure is designed, using an annular protective frame and multiple support springs. The charging plug is rotatably installed inside the annular protective frame and is squeezed through an elastic support rod to achieve inclination and expansion of the charging gun body, buffer the impact force, and eliminate water stains and negative pressure in the ventilation chamber through a negative pressure device to prevent excessive temperature.
Effectively protect the charging gun body and charging plug to avoid damage caused by collision, improve service life, and ensure the safety and stability of the charging process.
Smart Images

Figure CN119812822A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of new energy charging, and in particular to a retractable new energy vehicle plug with a protective structure. Background Art
[0002] New energy vehicles, especially electric vehicles, are driven by electric energy, and electric vehicles are charged by charging piles. The charging pile is connected to one or more charging plugs through a charging cable, and the charging plug can be inserted into the charging socket of the electric vehicle to provide electric energy for the electric vehicle. When the electric vehicle needs to be charged, its charging plug and the charging socket of the electric vehicle are connected to transmit the electric energy of the charging pile to the electric vehicle; refer to the Chinese patent, the announcement number is "CN115117693A" "A kind of vehicle charging plug", the patent points out that when the existing charging gun is removed from the electric vehicle, the push of the pusher is not smooth enough, and the pusher is easy to loosen; but the device still has the problem of lack of protection, which affects the charging process and service life of the charging gun; in this regard, we propose a retractable new energy vehicle plug with a protective structure to solve the above problems. Summary of the invention
[0003] In view of the deficiencies of the prior art, the present invention provides a retractable new energy vehicle plug with a protective structure, which solves the problems raised in the above background technology.
[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a retractable new energy vehicle plug with a protective structure, comprising a charging gun body, a charging plug is provided at the end of the charging gun body, and the charging plug is used to be inserted into the vehicle charging port to realize charging operation;
[0005] A protective component is provided between the charging gun body and the charging plug, the protective component includes an annular protective frame, an annular notch is provided inside the charging gun body, the annular protective frame is slidably connected inside the annular notch, a plurality of supporting springs are fixedly installed between the annular protective frame and the annular notch, and the charging plug is rotatably installed inside the annular protective frame;
[0006] A wiring terminal is fixedly installed at the center position of the end of the charging plug, and a wire body is connected inside the wiring terminal. A plurality of elastic support rods are fixedly installed between the wiring terminal and the annular protective frame.
[0007] Preferably, anti-slip sheets are fixedly mounted on both sides of the charging gun body, and a threaded end is mounted on the end of the charging gun body.
[0008] Preferably, a locking assembly is provided inside the charging gun body, which is used to lock the charging plug after it is inserted into a preset position. The locking assembly includes a locking frame, which is fixed inside the charging gun body. A locking plate is slidably connected inside the locking frame, and a lock tongue is slidably connected to the end of the locking plate. A transmission plate is fixedly installed on the outer side of the lock tongue, and an electric push rod is fixedly installed inside the locking plate. The end of the electric push rod is connected to the transmission plate. A protective convex plate is fixedly installed on the end of the charging gun body.
[0009] Preferably, a rectangular groove is formed on the outer side of the locking frame.
[0010] Preferably, a baffle is fixedly mounted on one end of the locking plate away from the locking tongue.
[0011] Preferably, a push switch is installed inside the charging gun body, and the push switch is electrically connected to the electric push rod.
[0012] Preferably, an elastic protective ring is fixedly installed inside the charging gun body, and the wire body passes through the elastic protective ring.
[0013] Preferably, a plurality of through holes are provided inside the charging plug, and charging terminals are fixedly installed inside the through holes, the charging terminals are electrically connected to the wire body, and detection modules are fixedly installed inside the plurality of through holes for detecting the temperature and humidity inside the through holes.
[0014] Preferably, a limiting slot is provided inside the charging gun body, a negative pressure device is fixedly installed inside the limiting slot, a plurality of ventilation cavities interconnected with through holes are provided inside the charging plug, and a corrugated connecting pipe is connected between the negative pressure device and the ventilation cavity.
[0015] Preferably, a protective plate is fixedly mounted on the outer side of the limiting notch, and a plurality of exhaust holes are symmetrically opened inside the protective plate.
[0016] The present invention provides a retractable new energy vehicle plug with a protective structure. Compared with the prior art, it has the following beneficial effects:
[0017] (1) The retractable new energy vehicle plug with a protective structure is provided with a ring-shaped protective frame. When the charging gun body is hit during charging, the charging plug can be driven to rotate inside the ring-shaped protective frame, squeezing multiple elastic support rods and allowing the ring-shaped protective frame to slide inside the ring-shaped groove, so that the charging gun body can be tilted or retracted, thereby buffering the collision force, further avoiding damage to the equipment due to collision, improving the protection effect of the charging gun body and the vehicle charging port, ensuring the charging process and prolonging the service life of the charging gun body.
[0018] (2) The retractable new energy vehicle plug with a protective structure can operate through the negative pressure device when water stains remain inside the charging plug or when the charging plug overheats during the charging process. The negative pressure device can also be used in conjunction with the bellows to generate negative pressure inside the ventilation cavity, thereby extracting water stains inside the through hole and accelerating the air circulation inside the through hole. This can prevent water stains from affecting the charging process and prevent the temperature from being too high, thereby ensuring the charging effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;
[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the charging gun body of the present invention;
[0021] Figure 3 For the present invention Figure 2 The enlarged structural diagram at A in the middle;
[0022] Figure 4 For the present invention Figure 2 Front view;
[0023] Figure 5 For the present invention Figure 4 The enlarged structural diagram at B in the middle;
[0024] Figure 6 This is a schematic diagram of the locking frame and locking plate structure of the present invention;
[0025] Figure 7 This is a schematic diagram of the structure of the charging plug and the annular protective frame of the present invention;
[0026] Figure 8 For the present invention Figure 7 Schematic diagram of the cross-section structure.
[0027] In the figure: 1. Charging gun body; 101. Anti-slip sheet; 102. Protective convex plate; 2. Threaded terminal; 3. Push-type switch; 4. Charging plug; 401. Through hole; 402. Charging terminal; 403. Ventilation cavity; 5. Limiting notch; 6. Corrugated connecting pipe; 7. Negative pressure device; 8. Protective plate; 801. Exhaust hole; 9. Annular notch; 10. Wire body; 1001. Elastic protective ring; 11. Locking frame; 1101. Rectangular groove; 12. Locking plate; 1201. Lock tongue; 1202. Transmission plate; 1203. Baffle; 13. Electric push rod; 14. Wiring terminal; 15. Annular protective frame; 1501. Support spring; 16. Elastic support rod; 17. Detection module. DETAILED DESCRIPTION
[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0029] See also Figure 1-Figure 8 The present invention provides two technical solutions, which specifically include the following embodiments:
[0030] Embodiment 1:
[0031] In an embodiment of the present invention, a retractable new energy vehicle plug with a protective structure includes a charging gun body 1, a charging plug 4 is provided at the end of the charging gun body 1, and the charging plug 4 is used to be inserted into a vehicle charging port to realize charging operation;
[0032] In the embodiment of the present invention, specifically, the charging gun body 1 is based on an existing charging pile and is used to realize the charging operation of new energy vehicles;
[0033] In the embodiment of the present invention, further, a protective component is provided between the charging gun body 1 and the charging plug 4, and the protective component includes an annular protective frame 15, an annular notch 9 is provided inside the charging gun body 1, the annular protective frame 15 is slidably connected inside the annular notch 9, a plurality of supporting springs 1501 are fixedly installed between the annular protective frame 15 and the annular notch 9, and the charging plug 4 is rotatably installed inside the annular protective frame 15; a wiring terminal 14 is fixedly installed at the center position of the end of the charging plug 4, and the wiring terminal 14 is connected to the wire body 10, and a plurality of elastic support rods 16 are fixedly installed between the wiring terminal 14 and the annular protective frame 15;
[0034] In the embodiment of the present invention, specifically, during the charging process, the charging gun body 1 is taken off the charging pile by hand, and then the charging plug 4 is inserted into the charging port of the vehicle to be charged;
[0035] In the embodiment of the present invention, specifically, by setting the annular protective frame 15, when the charging gun body 1 is hit during charging, the charging plug 4 can be driven to rotate inside the annular protective frame 15, and the multiple elastic support rods 16 are squeezed, so that the charging gun body 1 can be tilted. When the collision force disappears, the charging gun body 1 can be reset through the cooperation of the multiple elastic support rods 16, further ensuring the protection effect of the charging gun body 1 and the charging plug 4, and avoiding damage due to collision;
[0036] In the embodiment of the present invention, specifically, when the charging gun body 1 is subjected to a collision force along the charging plug 4 during charging, the charging gun body 1 can be forced to move toward the charging plug 4, so that the annular protective frame 15 can bring the charging plug 4 into the annular notch 9, and the multiple support springs 1501 are squeezed until the collision force disappears and resets, further improving the protection effect of the device;
[0037] In the embodiment of the present invention, specifically, the annular protective frame 15 and the charging plug 4 can be extended and retracted inside the charging gun body 1, which can buffer the impact force received, ensure the normal charging process of the device, and improve the protection of the device. At the same time, when the charging plug 4 is inserted into the charging port of the vehicle to be charged, the annular protective frame 15 can be retracted inside the charging gun body 1 when the insertion force is too large, and the annular protective frame 15 is reset after the insertion is completed and released, further ensuring the protection performance of the charging gun body 1 during the insertion process;
[0038] In the embodiment of the present invention, specifically, a locking assembly is provided inside the charging gun body 1, which is used to lock the charging plug 4 after it is inserted into a preset position. The locking assembly includes a locking frame 11, which is fixed inside the charging gun body 1, and a locking plate 12 is slidably connected inside the locking frame 11. A locking tongue 1201 is slidably connected to the end of the locking plate 12, and a transmission plate 1202 is fixedly installed on the outer side of the locking tongue 1201. An electric push rod 13 is fixedly installed inside the locking plate 12, and the end of the electric push rod 13 is connected to the transmission plate 1202. A protective convex plate 102 is fixedly installed at the end of the charging gun body 1;
[0039] In the embodiment of the present invention, when the charging gun body 1 is inserted, the locking plate 12 can enter the locking groove inside the charging port of the vehicle to be charged and complete the locking through the lock tongue 1201. After charging is completed, the electric push rod 13 runs, which can drive the lock tongue 1201 to move up and cancel the lock;
[0040] In the embodiment of the present invention, specifically, when the charging gun body 1 is subjected to an impact force, the annular protective frame 15 is retracted inside the annular notch 9, and at this time, the locking plate 12 can be forced to slide inside the locking frame 11 until the annular protective frame 15 is reset, thereby ensuring the locking effect;
[0041] In the embodiment of the present invention, specifically, a rectangular groove 1101 is provided on the outer side of the locking frame 11 for the locking plate 12 to pass through when it is forced to slide inside the locking frame 11;
[0042] In the embodiment of the present invention, specifically, a baffle 1203 is fixedly installed at one end of the locking plate 12 away from the locking tongue 1201, and the baffle 1203 is used to fit with the locking frame 11 when the annular protective frame 15 is reset to ensure the locking effect;
[0043] In the embodiment of the present invention, specifically, a push switch 3 is installed inside the charging gun body 1, and the push switch 3 is electrically connected to the electric push rod 13. The push switch 3 is an existing device, which is used to control the operation of the electric push rod 13 to realize the manual control of the locking and unlocking operation of the charging gun body 1;
[0044] In the embodiment of the present invention, specifically, a plurality of through holes 401 are provided inside the charging plug 4 , and charging terminals 402 are fixedly installed inside the through holes 401 , and the charging terminals 402 are electrically connected to the wire body 10 .
[0045] Embodiment 2: Based on embodiment 1, a retractable new energy vehicle plug with a protective structure includes a charging gun body 1, a charging plug 4 is provided at the end of the charging gun body 1, and the charging plug 4 is used to be inserted into the vehicle charging port to realize the charging operation;
[0046] In the embodiment of the present invention, specifically, the charging gun body 1 is based on an existing charging pile and is used to realize the charging operation of new energy vehicles;
[0047] In the embodiment of the present invention, further, a protective component is provided between the charging gun body 1 and the charging plug 4, and the protective component includes an annular protective frame 15, an annular notch 9 is provided inside the charging gun body 1, the annular protective frame 15 is slidably connected inside the annular notch 9, a plurality of supporting springs 1501 are fixedly installed between the annular protective frame 15 and the annular notch 9, and the charging plug 4 is rotatably installed inside the annular protective frame 15; a wiring terminal 14 is fixedly installed at the center position of the end of the charging plug 4, and the wiring terminal 14 is connected to the wire body 10, and a plurality of elastic support rods 16 are fixedly installed between the wiring terminal 14 and the annular protective frame 15;
[0048] In the embodiment of the present invention, specifically, during the charging process, the charging gun body 1 is taken off the charging pile by hand, and then the charging plug 4 is inserted into the charging port of the vehicle to be charged;
[0049] In the embodiment of the present invention, specifically, by setting the annular protective frame 15, when the charging gun body 1 is hit during charging, the charging plug 4 can be driven to rotate inside the annular protective frame 15, and the multiple elastic support rods 16 are squeezed, so that the charging gun body 1 can be tilted. When the collision force disappears, the charging gun body 1 can be reset through the cooperation of the multiple elastic support rods 16, further ensuring the protection effect of the charging gun body 1 and the charging plug 4, and avoiding damage due to collision;
[0050] In the embodiment of the present invention, specifically, when the charging gun body 1 is subjected to a collision force along the charging plug 4 during charging, the charging gun body 1 can be forced to move toward the charging plug 4, so that the annular protective frame 15 can bring the charging plug 4 into the annular notch 9, and the multiple support springs 1501 are squeezed until the collision force disappears and resets, further improving the protection effect of the device;
[0051] In the embodiment of the present invention, specifically, the annular protective frame 15 and the charging plug 4 can be extended and retracted inside the charging gun body 1, which can buffer the impact force received, ensure the normal charging process of the device, and improve the protection of the device. At the same time, when the charging plug 4 is inserted into the charging port of the vehicle to be charged, the annular protective frame 15 can be retracted inside the charging gun body 1 when the insertion force is too large, and the annular protective frame 15 is reset after the insertion is completed and released, further ensuring the protection performance of the charging gun body 1 during the insertion process;
[0052] In the embodiment of the present invention, specifically, anti-slip sheets 101 are fixedly installed on both sides of the charging gun body 1, and a threaded end 2 is installed at the end of the charging gun body 1. The threaded end 2 is connected to the end of the charging gun body 1 through a threaded connection, which is convenient for disassembly and assembly of the wire body 10;
[0053] In the embodiment of the present invention, specifically, a locking assembly is provided inside the charging gun body 1, which is used to lock the charging plug 4 after it is inserted into a preset position. The locking assembly includes a locking frame 11, which is fixed inside the charging gun body 1, and a locking plate 12 is slidably connected inside the locking frame 11. A locking tongue 1201 is slidably connected to the end of the locking plate 12, and a transmission plate 1202 is fixedly installed on the outer side of the locking tongue 1201. An electric push rod 13 is fixedly installed inside the locking plate 12, and the end of the electric push rod 13 is connected to the transmission plate 1202. A protective convex plate 102 is fixedly installed at the end of the charging gun body 1;
[0054] In the embodiment of the present invention, when the charging gun body 1 is inserted, the locking plate 12 can enter the locking groove inside the charging port of the vehicle to be charged and complete the locking through the lock tongue 1201. After charging is completed, the electric push rod 13 runs, which can drive the lock tongue 1201 to move up and cancel the lock;
[0055] In the embodiment of the present invention, specifically, when the charging gun body 1 is impacted, the annular protective frame 15 is retracted inside the annular notch 9. At this time, the locking plate 12 can be forced to slide inside the locking frame 11 until the annular protective frame 15 is reset to ensure the locking effect.
[0056] In the embodiment of the present invention, specifically, a rectangular groove 1101 is provided on the outer side of the locking frame 11 for the locking plate 12 to pass through when it is forced to slide inside the locking frame 11;
[0057] In the embodiment of the present invention, specifically, a baffle 1203 is fixedly installed at one end of the locking plate 12 away from the locking tongue 1201, and the baffle 1203 is used to fit with the locking frame 11 when the annular protective frame 15 is reset to ensure the locking effect;
[0058] In the embodiment of the present invention, specifically, a push switch 3 is installed inside the charging gun body 1, and the push switch 3 is electrically connected to the electric push rod 13. The push switch 3 is an existing device, which is used to control the operation of the electric push rod 13 to realize the manual control of the locking and unlocking operation of the charging gun body 1;
[0059] In the embodiment of the present invention, specifically, an elastic protective ring 1001 is fixedly installed inside the charging gun body 1, and the wire body 10 passes through the elastic protective ring 1001;
[0060] In the embodiment of the present invention, specifically, a plurality of through holes 401 are provided inside the charging plug 4, and charging terminals 402 are fixedly installed inside the through holes 401, and the charging terminals 402 are electrically connected to the wire body 10;
[0061] In the embodiment of the present invention, specifically, a detection module 17 is fixedly installed inside each of the plurality of through holes 401, and is used to detect the temperature and humidity inside the through hole 401. The detection module 17 is an existing module, and is used to detect the temperature and humidity inside the through hole 401, so as to avoid water stains remaining during charging and overheating during the charging process;
[0062] In the embodiment of the present invention, further, a limiting slot 5 is provided inside the charging gun body 1, a negative pressure device 7 is fixedly installed inside the limiting slot 5, a plurality of ventilation cavities 403 interconnected with the through hole 401 are provided inside the charging plug 4, and a corrugated connecting pipe 6 is connected between the negative pressure device 7 and the ventilation cavity 403; a protective plate 8 is fixedly installed outside the limiting slot 5, and a plurality of exhaust holes 801 are symmetrically provided inside the protective plate 8;
[0063] In the embodiment of the present invention, further, when water stains remain inside the charging plug 4 during the process of being inserted into the charging port of the vehicle to be charged, or when overheating occurs inside the charging plug 4 during the charging process, the negative pressure device 7 can be operated, and through the cooperation of the corrugated connecting tube 6, a negative pressure is generated inside the ventilation cavity 403, the water stains inside the through hole 401 are extracted, and the air circulation inside the through hole 401 is accelerated. On the one hand, it can prevent the water stains from affecting the charging process, and at the same time, it can avoid the phenomenon of overheating, thereby ensuring the charging effect.
[0064] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0065] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the present invention.
Claims
1. A retractable new energy vehicle plug with a protective structure, comprising a charging gun body (1), characterized in that: A charging plug (4) is provided at the end of the charging gun body (1), and the charging plug (4) is used to be inserted into a charging port of a vehicle to realize a charging operation; A protective component is provided between the charging gun body (1) and the charging plug (4), the protective component comprising an annular protective frame (15), an annular notch (9) is provided inside the charging gun body (1), the annular protective frame (15) is slidably connected inside the annular notch (9), a plurality of supporting springs (1501) are fixedly installed between the annular protective frame (15) and the annular notch (9), and the charging plug (4) is rotatably installed inside the annular protective frame (15); A wiring terminal (14) is fixedly installed at the center position of the end of the charging plug (4), and a wire body (10) is connected inside the wiring terminal (14). A plurality of elastic support rods (16) are fixedly installed between the wiring terminal (14) and the annular protective frame (15).
2. The retractable new energy vehicle plug with a protective structure according to claim 1 is characterized in that: Anti-slip sheets (101) are fixedly mounted on both sides of the charging gun body (1), and a threaded end (2) is mounted on the end of the charging gun body (1).
3. The retractable new energy vehicle plug with a protective structure according to claim 1 is characterized in that: A locking assembly is provided inside the charging gun body (1) for achieving locking when the charging plug (4) is inserted into a preset position. The locking assembly comprises a locking frame (11), the locking frame (11) is fixed inside the charging gun body (1), a locking plate (12) is slidably connected inside the locking frame (11), a locking tongue (1201) is slidably connected to the end of the locking plate (12), a transmission plate (1202) is fixedly installed on the outer side of the locking tongue (1201), an electric push rod (13) is fixedly installed inside the locking plate (12), and the end of the electric push rod (13) is connected to the transmission plate (1202), and a protective convex plate (102) is fixedly installed at the end of the charging gun body (1).
4. The retractable new energy vehicle plug with a protective structure according to claim 3 is characterized in that: A rectangular groove (1101) is formed on the outer side of the locking frame (11).
5. The retractable new energy vehicle plug with a protective structure according to claim 3 is characterized in that: A baffle (1203) is fixedly mounted on one end of the locking plate (12) away from the locking tongue (1201).
6. The retractable new energy vehicle plug with a protective structure according to claim 3 is characterized in that: A push switch (3) is installed inside the charging gun body (1), and the push switch (3) is electrically connected to the electric push rod (13).
7. The retractable new energy vehicle plug with a protective structure according to claim 1, characterized in that: An elastic protective ring (1001) is fixedly installed inside the charging gun body (1), and the wire body (10) passes through the elastic protective ring (1001).
8. The retractable new energy vehicle plug with a protective structure according to claim 1, characterized in that: The charging plug (4) is provided with a plurality of through holes (401) inside, and charging terminals (402) are fixedly installed inside the through holes (401), and the charging terminals (402) are electrically connected to the wire body (10). Detection modules (17) are fixedly installed inside the plurality of through holes (401) for detecting the temperature and humidity inside the through holes (401).
9. The retractable new energy vehicle plug with a protective structure according to claim 8, characterized in that: A limiting slot (5) is provided inside the charging gun body (1), a negative pressure device (7) is fixedly installed inside the limiting slot (5), a plurality of ventilation cavities (403) interconnected with the through hole (401) are provided inside the charging plug (4), and a corrugated connecting pipe (6) is connected between the negative pressure device (7) and the ventilation cavity (403).
10. The retractable new energy vehicle plug with a protective structure according to claim 9, characterized in that: A protective plate (8) is fixedly mounted on the outer side of the limiting notch (5), and a plurality of exhaust holes (801) are symmetrically provided inside the protective plate (8).
Citation Information
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Vehicle charging plug
CN115117693A
Charging connector with protection measures for new energy vehicle
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New energy automobile charging gun
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