Folding charging gun power assisting mechanism

Abstract

The utility model relates to a power-assisted mechanism of a folding charging gun, and aims to solve the technical problems that the conventional like product is inconvenient to install, occupies a large space, is difficult to be applied to a folding suspension arm or a folding rocker arm structure of the charging gun, is difficult to fold and assist, and lacks a structural design for preventing the charging gun from falling off. The mechanism comprises a large and small arm assembly and an automatic reset assembly. One end of a wire harness of the mechanism is connected with a charging cable of a charging gun through a charging cable ring. The key point is that the other end of the wire harness is connected with a take-up device after being guided and turned by an automatic reset assembly at the top of the large and small arm assembly, the outer diameter of the take-up device is provided with a shell, the take-up device is arranged on one side of the base, and the large and small arm assembly is arranged on the other symmetrical side of the base. A big arm profile, a small arm fixing sleeve and a small arm profile of the big and small arm assembly are connected in sequence and are arranged on one side of the base in an n shape in a folded state through an automatic reset assembly; the take-up device is pulled to stretch out according to the principle of an automatic rope pulling mechanism, and is pulled again to automatically retract.

Description

Technical Field

[0001] The utility model relates to an assisting mechanism for a charging gun of a new energy vehicle, and is a folding charging gun assisting mechanism. Background Art

[0002] New energy vehicles refer to vehicles that use unconventional vehicle fuels as power sources and integrate advanced technologies in vehicle power control and driving, forming vehicles with advanced technical principles, new technologies, and new structures; according to different power sources, they are divided into pure electric vehicles, range-extended electric vehicles, hybrid vehicles, hydrogen engine vehicles, etc. Among them, charging piles are the main power supply methods for pure electric and hybrid new energy vehicles, and they generally charge by means of charging guns, while some others use a hanging arm structure of the charging pile for charging. Although this kind of hanging arm structure of the charging pile is set at the top to save space, it involves the winding and unwinding of wire harnesses, such as the application number 202321633402.6 disclosed in the Chinese patent literature, the authorization announcement date is January 9, 2024, and the utility model name is "An Electric Vehicle Charging Device"; another example is the application number 202221092152.5 disclosed in the Chinese patent literature, the authorization announcement date is January 31, 2023, and the utility model name is "A Hanging Charging Device"; however, the above-mentioned boom structures adopt a folding structure design, which occupies a large space, is relatively inconvenient to operate, is difficult to be used as a boom, and provides less assistance for the charging gun, and the charging gun is likely to fall to the ground and be damaged when in use. Summary of the Invention

[0003] To overcome the above deficiencies, the purpose of the present utility model is to provide a folding charging gun assisting mechanism to the art, so as to solve the technical problems of the existing similar products being relatively inconvenient to install, occupying a large space, being relatively inconvenient to operate, being difficult to be applied to the folding boom or folding rocker arm structure of the charging gun, being difficult to fold and assist in use, and lacking a structural design to prevent the charging gun from falling. The purpose is achieved through the following technical solutions.

[0004] A folding charging gun assisting mechanism, the mechanism includes a boom assembly and an automatic reset assembly. One end of the wire harness of the mechanism is connected to the charging cable of the charging gun through a charging wire loop, and the base of the mechanism is installed on the top or one side of the charging cabinet of the new energy vehicle through a bottom skirt; the key point of the structural design is that the other end of the wire harness is connected to a wire reel after being guided and redirected by the automatic reset assembly at the top of the boom assembly. The outer diameter of the wire reel is provided with a housing. The wire reel is arranged on one side of the base, and the boom assembly is arranged on the other side symmetric to the base. The large arm profile, small arm fixing sleeve, and small arm profile of the boom assembly are sequentially connected and are arranged in a shape like the Chinese character 'ji' on one side of the base in the folded state through the automatic reset assembly. The above-mentioned wire reel is provided with a housing according to the required outer diameter, and the wire reel is pulled out according to the principle of the existing automatic rope pulling mechanism and automatically retracts when pulled again.

[0005] One end of the boom profile of the boom and arm assembly is hinged and fixed to one side of the base through a boom rotating shaft. The other end of the boom profile is hinged and fixed to one end of the forearm fixing sleeve through a pulley rotating shaft. The other end of the forearm fixing sleeve and one end of the forearm profile are hinged and fixed through a forearm rotating shaft. At the same time, the end of the forearm profile is sleeved into a sleeve body fixed in the forearm fixing sleeve. The other end of the forearm profile is provided with a protruding wire harness. Bearings are respectively provided at the forearm rotating shaft and the boom rotating shaft. The above is a specific structural embodiment of the boom and arm assembly.

[0006] A hook is provided on the outer side of the forearm profile of the boom and arm assembly in the folded state. The above structure facilitates the hanging and placement of the charging gun.

[0007] Anti-collision blocks are respectively provided on both sides of the hinged and fixed part of the forearm profile and the base of the boom and arm assembly in the folded state. The above structure prevents collision and plays a limiting role.

[0008] The automatic reset assembly at the top of the boom and arm assembly includes a torsion spring, a connecting rod, a roller and a pulley. One end of the wire harness extending out of the wire reel is guided and deflected through the boom rotating shaft protruding from the top of the base, and then passes through the pulley on the pulley rotating shaft at the top of one end of the forearm fixing sleeve and is guided and deflected again, and then enters the hinge at the forearm rotating shaft at the top of the other end of the forearm fixing sleeve and is guided and deflected continuously, and finally extends out after being guided and deflected by the roller at the top of the other end of the forearm profile. The roller is vertically arranged in the roller bracket, and the pulley is horizontally arranged on the pulley rotating shaft; A connecting rod is provided between the roller bracket and a flange at the top of the forearm rotating shaft, and another connecting rod is provided between the other flange at the top of the boom rotating shaft and the top of the pulley rotating shaft. Torsion springs are respectively provided on the boom rotating shaft and the forearm rotating shaft. Nuts are respectively provided at the end parts of the forearm rotating shaft and the boom rotating shaft at the top of the flange. The above is a specific structural embodiment of the automatic reset assembly, which is mainly used for the guiding and deflecting of the wire harness and the automatic reset of the boom and arm assembly.

[0009] One end of the torsion spring at the boom rotating shaft and the forearm rotating shaft is respectively fixed to the through holes at the corresponding flanges. The through holes are equidistantly arranged on the circular surface of the flange. The other end of the torsion spring is respectively fixed to the support cover at the corresponding boom rotating shaft or forearm rotating shaft below the torsion spring. Baffles are respectively provided at the protruding ends of the boom rotating shaft and the forearm rotating shaft below the support cover. The wire harnesses at the boom rotating shaft and the forearm rotating shaft are respectively guided and deflected in the gap between the baffle and the support cover. A limiting post is provided in the gap between the baffle and the support cover outside the wire harness; A positioning screw is provided at the top of the forearm fixing sleeve at the outer end corner of the pulley. The above structure facilitates the fixing of both ends of the torsion spring and the adjustment of the torsion force, that is, one end of the torsion spring can hook different through holes at the flange, and at the same time prevents the wire harness from falling out and ensures stable guiding and deflecting.

[0010] A customized angle assembly is provided at the wire harness extending part of the forearm profile. The wire harness passes through the wire sleeve at the top of the gun head of the customized angle assembly at the end of the forearm profile and passes through the wire buckle on one side of the bottom of the gun head.

[0011] The included angle between the wire harness inside the gun head and the small arm profile of the large and small arm assembly is 45 degrees. The above-mentioned included angle is not limited to 45 degrees and can also be customized according to the usage requirements.

[0012] The wire harness is a nylon wire harness in an automatically retractable form, thereby further improving the automatic tightening force of the wire harness.

[0013] The skirt plate at the bottom of the base is installed on the slide rail of the charging cabinet, thereby facilitating the movement of the mechanism in the way of the slide rail.

[0014] The structure of the utility model is reasonably designed, easy to install, simple to operate, and occupies a small space. Especially, the lifting arm or the swing and self-return are convenient, preventing the charging gun from falling to the ground. It is suitable for use as a folding charging gun assisting mechanism and the structural improvement of similar products. Brief Description of the Drawings

[0015] Figure 1 It is a schematic three-dimensional structure diagram of an embodiment of the utility model.

[0016] Figure 2 It is Figure 1 a schematic rear structure diagram of , and the outer shell is omitted in the figure.

[0017] Figure 3 It is Figure 1 a schematic top view structure diagram of , and sectional views A-A and B-B are made in the figure.

[0018] Figure 4 It is Figure 3 a schematic sectional view A-A structure diagram of , and the dotted line in the figure is the slide rail structure at the top of the charging cabinet.

[0019] Figure 5 It is Figure 3 a schematic sectional view B-B structure diagram of .

[0020] Reference Numerals and Names of the Drawings: 1. Base, 101. Skirt Plate, 2. Outer Shell, 3. Large Arm Profile, 4. Small Arm Fixed Sleeve, 401. Sleeve Body, 402. Positioning Screw, 5. Small Arm Profile, 6. Hook, 7. Gun Head, 701. Wire Clamp, 8. Nylon Wire Harness, 9. Charging Wire Loop, 10. Baffle, 11. Support Cover, 12. Torsion Spring, 13. Flange, 14. Connecting Rod, 15. Roller, 16. Roller Bracket, 17. Wire Sleeve, 18. Wire Rewinder, 19. Pulley, 20. Anti-Collision Block, 21. Charging Cabinet. Embodiment

[0021] Now, in combination with the drawings, the structure and use of the utility model will be further described. As Figures 1-5As shown, the mechanism includes a boom assembly, an automatic reset assembly, and a customized angle assembly. One end of the wire harness 8 of the mechanism is connected to the charging cable of the charging gun through the charging cable loop 9. The base 1 of the mechanism is installed on the top or one side of the charging cabinet 21 of the new energy vehicle through the bottom skirt 101; the other end of the wire harness is connected to the wire reel 18 after being guided and redirected by the automatic reset assembly at the top of the boom assembly. The outer diameter of the wire reel is provided with a housing 2. The wire reel is arranged on one side of the base, and the boom assembly is arranged on the symmetric other side of the base. The boom profile 3, the small arm fixing sleeve 4, and the small arm profile 5 of the boom assembly are connected in sequence and are arranged in a zigzag shape on one side of the base in the folded state through the automatic reset assembly. The specific structure is as follows: One end of the boom profile of the above-mentioned boom assembly is hinged and fixed to one side of the base through the boom rotating shaft, and the other end of the boom profile is hinged and fixed to one end of the small arm fixing sleeve through the pulley rotating shaft. The other end of the small arm fixing sleeve is hinged and fixed to one end of the small arm profile through the small arm rotating shaft. At the same time, the end of the small arm profile is sleeved into the sleeve body 401 fixed in the small arm fixing sleeve, and the other end of the small arm profile is provided with a protruding wire harness. Bearings are respectively provided at the small arm rotating shaft and the boom rotating shaft. At the same time, a hook 6 is provided on the outer side of the small arm profile in the folded state of the boom assembly; anti-collision blocks 20 are respectively provided on both sides of the hinge and fixing position between the small arm profile and the base in the folded state of the boom assembly.

[0022] The automatic reset component at the top of the above-mentioned boom assembly includes a torsion spring 12, a connecting rod 14, a roller 15 and a pulley 19. One end of the wire harness extending from the wire reel is guided and redirected through the boom rotating shaft at the top of the base protruding from the top, then through the pulley at the pulley rotating shaft at the top of one end of the forearm fixing sleeve and redirected again, then enters the hinge joint of the forearm rotating shaft at the top of the other end of the forearm fixing sleeve and is further redirected, and finally extends out after being redirected by the roller at the top of the other end of the forearm profile. The roller is vertically arranged in the roller bracket 16, and the pulley is horizontally arranged on the pulley rotating shaft; there is a connecting rod between the roller bracket and a flange 13 at the top of the forearm rotating shaft, and another connecting rod is provided between the other flange at the top of the boom rotating shaft and the top of the pulley rotating shaft. Torsion springs are respectively provided on the boom rotating shaft and the forearm rotating shaft, and nuts are respectively provided at the end parts of the forearm rotating shaft and the boom rotating shaft at the top of the flange. One ends of the torsion springs at the boom rotating shaft and the forearm rotating shaft are respectively fixed in the through holes corresponding to the flanges. The through holes are equidistantly arranged on the circular surface of the flange, and the other ends of the torsion springs are respectively fixed on the support covers 11 corresponding to the boom rotating shaft or the forearm rotating shaft below the torsion springs. Baffles 10 are respectively provided at the protruding ends of the boom rotating shaft and the forearm rotating shaft below the support covers. The wire harnesses at the boom rotating shaft and the forearm rotating shaft are respectively guided and redirected in the gap between the baffle and the support cover, and limit posts are provided in the gap between the baffle and the support cover on the outer side of the wire harness; a positioning screw 402 is provided at the top of the forearm fixing sleeve at the outer end corner of the pulley. A customized angle component is provided at the wire harness extending part of the forearm profile. The wire harness passes through the wire sleeve 17 at the top of the gun head 7 of the customized angle component at the end of the forearm profile and passes through the wire buckle 701 on one side of the bottom of the gun head; the wire harness inside the gun head forms a 45-degree angle with the forearm profile of the boom assembly.

[0023] During use, open the forearm profile in the opposite direction of the folding direction of the boom assembly of the mechanism. The forearm profile can then open the boom profile through the forearm fixing sleeve, and the boom profile is further rotated and opened according to the boom rotating shaft. During the above process, the corresponding torsion springs are deformed and generate torsion, pulling the wire harness, and the wire harness can be pulled out. Pull the wire harness again, and the wire harness can be automatically retracted through the wire reel. At the same time, release the forearm profile, and the forearm profile automatically retracts the forearm profile and the boom profile to the initial folding state under the action of the corresponding torsion spring.

[0024] According to the above structure and usage characteristics, further, the above-mentioned wire harness is a nylon wire harness in an automatically retractable form; the skirt plate 101 at the bottom of the base is installed on the slide rail of the charging cabinet.

[0025] In summary, the current market has requirements for charging piles, including foldability, thin thickness, and self-resetting function. There are few products that can solve these two problems, and this mechanism can better address the pain points of the above customers. This mechanism is a folding charging gun assisting mechanism, which relates to the technical field of folding charging gun assisting mechanisms applied to charging piles. Through the connection of the large and small arms and the power provided by the wire reel, it realizes the assistance for the charging gun. This mechanism has the following characteristics: 1. This mechanism can be installed in the charging cabinet in a foldable or slide rail form, reducing space occupation; 2. This mechanism is in an automatic reset form, reducing manual operation; 3. The wire harness of this mechanism extends at a certain angle, making the telescoping of the wire harness smoother; 4. The charging cable of the charging gun is fixed on the wire harness, which not only prevents the charging gun from being directly thrown to the ground but also reduces the weight of the charging cable, making it easier for people to move the charging cable; 5. The wire harness is a nylon wire harness in an automatic retracting form. After charging, the wire harness automatically tightens, further preventing the charging gun from falling to the ground.

Claims

1. A folding charging gun assisting mechanism, which comprises a forearm and upper arm assembly and an automatic reset assembly. One end of the wire harness (8) of this mechanism is connected to the charging cable of the charging gun through a charging wire loop (9), and the base (1) of this mechanism is installed on the top or one side of the charging cabinet (21) of a new energy vehicle through a bottom skirt plate (101); characterized in that The other end of the wire harness (8) is connected to the wire reel (18) after being guided and redirected by the automatic reset component at the top of the boom assembly. The outer diameter of the wire reel is provided with a housing (2). The wire reel is arranged on one side of the base (1), and the boom assembly is arranged on the symmetrically opposite side of the base. The boom profile (3), the small arm fixing sleeve (4), and the small arm profile (5) of the boom assembly are connected in sequence and are arranged in a U-shape on one side of the base in the folded state through the automatic reset component.

2. The folding charging gun boosting mechanism according to claim 1, wherein One end of the boom profile (3) of the boom assembly is hinged and fixed to one side of the base (1) through a boom rotating shaft. The other end of the boom profile is hinged and fixed to one end of the small arm fixing sleeve (4) through a pulley rotating shaft. The other end of the small arm fixing sleeve is hinged and fixed to one end of the small arm profile (5) through a small arm rotating shaft. At the same time, the end of the small arm profile is sleeved into a sleeve body (401) fixed in the small arm fixing sleeve. The other end of the small arm profile is provided with a protruding wire harness (8). Bearings are respectively arranged at the small arm rotating shaft and the boom rotating shaft.

3. The folding charging gun boosting mechanism according to claim 2, characterized in that A hook (6) is arranged on the outer side of the small arm profile (5) of the boom assembly in the folded state.

4. The folding charging gun boosting mechanism according to claim 2, wherein Anti-collision blocks (20) are respectively arranged on both sides of the hinge and fixing position between the small arm profile (5) of the boom assembly and the base (1) in the folded state.

5. The folding charging gun boosting mechanism according to claim 2, characterized in that The automatic reset component at the top of the boom assembly includes a torsion spring (12), a connecting rod (14), a roller (15), and a pulley (19). One end of the wire harness (8) extending out of the wire reel (18) is guided and redirected through the boom rotating shaft protruding from the top of the base (1), then is guided and redirected again through the pulley at the pulley rotating shaft at the top of one end of the small arm fixing sleeve (4), then enters the hinge at the small arm rotating shaft at the top of the other end of the small arm fixing sleeve and is guided and redirected continuously, and finally is guided and redirected out through the roller at the top of the other end of the small arm profile (5). The roller is vertically arranged in the roller bracket (16), and the pulley is horizontally arranged on the pulley rotating shaft. A connecting rod is arranged between the roller bracket and a flange (13) at the top of the small arm rotating shaft. Another connecting rod is arranged between the other flange at the top of the boom rotating shaft and the top of the pulley rotating shaft. Torsion springs are respectively arranged at the boom rotating shaft and the small arm rotating shaft. Nuts are respectively arranged at the end parts of the small arm rotating shaft and the boom rotating shaft at the top of the flange.

6. The folding charging gun boosting mechanism according to claim 5, characterized in that One end of the torsion spring (12) at the boom rotating shaft and the small arm rotating shaft is respectively fixed to the through holes at the corresponding flanges (13). The through holes are equidistantly arranged on the circumferential surface of the flange. The other end of the torsion spring is respectively fixed to the support covers (11) at the corresponding boom rotating shaft or small arm rotating shaft below the torsion spring. Baffles (10) are respectively arranged at the protruding ends of the boom rotating shaft and the small arm rotating shaft below the support covers. The wire harness (8) at the boom rotating shaft and the small arm rotating shaft is respectively guided and redirected in the gap between the baffle and the support cover. Limit posts are arranged in the gap between the baffle and the support cover outside the wire harness. A positioning screw (402) is arranged at the top of the small arm fixing sleeve (4) at the outer end corner of the pulley (19).

7. The folding charging gun boosting mechanism according to claim 2, wherein A customized angle component is arranged at the wire harness (8) extending position of the small arm profile (5). The wire harness passes through the wire sleeve (17) at the top of the gun head (7) of the customized angle component at the end of the small arm profile and passes through the wire buckle (701) on one side of the bottom of the gun head.

8. The folding charging gun assisting mechanism according to claim 7, wherein The wire harness (8) inside the gun head (7) forms a 45-degree angle with the small arm profile (5) of the large and small arm assembly.

9. The folding charging gun boosting mechanism according to claim 1, characterized in that The wire harness (8) is a nylon wire harness in an automatically retractable form.

10. The folding charging gun boosting mechanism according to claim 1, characterized in that The skirt plate (101) at the bottom of the base (1) is installed on the slide rail of the charging cabinet (21).

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