Charging port structure of electric forklift

Abstract

The utility model relates to the technical field of electric forklift charging, and provides an electric forklift charging port structure which comprises a charging port, the charging port is arranged on a forklift beam, a frame body is further arranged on the forklift beam and surrounds the charging port, and a cover plate is arranged on the side, away from the forklift beam, of the frame body in an opening and closing mode. The charging port structure further comprises an air cooling assembly used for conducting heat dissipation and cooling on the charging port when the forklift is charged. The charging port is integrally arranged on the vehicle beam, so that charging operation is greatly facilitated, when charging is not conducted, the charging port is covered and protected by a cover-shaped structure composed of the frame body and the cover plate, when charging is conducted, the cover plate is opened to enable the charging port to be exposed so as to be in butt joint with a charging gun for charging, in the charging process, the charging port is cooled through the air cooling assembly, and the charging efficiency is improved. And safe charging of the electric forklift is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric fork-lift truck charging technical field, and specifically is a kind of electric fork-lift truck charging port structure. BACKGROUND

[0002] At present, in the electric fork-lift truck charging operation aspect, the existing charging port design usually sets charging port in the hood inside electric fork-lift truck. When needing to charge electric fork-lift truck, operator must first open the hood, to insert charging plug into charging port, complete charging connection, this design makes charging operation process more cumbersome, not enough convenient;In addition, electric fork-lift truck generates certain heat phenomenon at charging interface during charging process, however, the existing electric fork-lift truck charging port structure does not design effective heat dissipation measure for charging interface heat problem, cannot promptly remove the heat generated at charging interface, and potential hidden trouble is brought to the safe charging of electric fork-lift truck.

[0003] Therefore, the utility model provides a kind of electric fork-lift truck charging port structure to solve the above problems. UTILITY MODEL CONTENT

[0004] The embodiment of the utility model is to provide a kind of electric fork-lift truck charging port structure to solve the above problems.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of electric fork-lift truck charging port structure, including charging port, the charging port is located on the fork-lift truck beam, the fork-lift truck beam is also provided with frame body, the frame body is arranged to surround the charging port, and the frame body is opened and closed on the side away from the fork-lift truck beam with cover plate, the charging port structure further includes the air-cooled assembly for the heat dissipation cooling of charging port when fork-lift truck is charged.

[0007] In an alternative scheme: the air-cooled assembly includes refrigeration box and annular piece arranged in the inside of frame body, the annular piece is hollow inside, and a plurality of air outlet nozzles with air outlet direction towards charging port are evenly arranged on the annular piece, the refrigeration box is provided with fan at one end, and the other end is communicated with the inside of annular piece, the refrigeration box is provided with cooling guide, flow channel is arranged in the cooling guide, the refrigeration box is provided with refrigeration device outside, and the cold end of refrigeration device is connected with cooling guide, the frame body is also provided with air outlet hole.

[0008] In an alternative scheme: the charging port structure further includes wind curtain assembly for forming wind curtain on the side away from the fork-lift truck beam of frame body to block dust when fork-lift truck is charged.

[0009] In an alternative, the air curtain assembly comprises a strip-shaped member arranged on one side of the frame body, the strip-shaped member is hollow inside, and the strip-shaped member is provided with an air outlet groove on the side facing the frame body, the refrigeration box is in communication with the inside of the strip-shaped member, and the air inlet end of the refrigeration box is covered with a first filter screen, and the area of the frame body provided with the air outlet hole is covered with a second filter screen.

[0010] In an alternative, the cover plate is hinged to the frame body, and a torsion spring is arranged at the hinge between the cover plate and the frame body, for maintaining the raised state of the cover plate after being opened.

[0011] Compared with the prior art, the embodiments of the utility model have the following beneficial effects:

[0012] 1. The charging port is integrated on the vehicle beam, thereby greatly facilitating the charging operation, when not charging, the charging port is covered and protected by the cover structure formed by the frame body and the cover plate, when charging, the cover plate is opened to expose the charging port and connect with the charging gun for charging, and during the charging process, the air cooling assembly is used for cooling and heat dissipation at the charging port, thereby ensuring the safe charging of the electric forklift.

[0013] 2. The air curtain assembly is arranged, when the fan sends airflow into the refrigeration box, part of the airflow is branched into the strip-shaped member, the airflow in the strip-shaped member is discharged through the air outlet groove to form an air curtain, thereby playing a dust blocking role and avoiding dust entering during the charging process of the electric forklift.

[0014] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the application. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings incorporated into the specification and forming part of the specification, illustrate embodiments consistent with the application and, together with the specification, serve to explain the principles of the application. At the same time, these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by reference to specific embodiments.

[0016] Figure 1 The structure of the embodiments of the utility model is shown in the figure.

[0017] Figure 2 The frame body and the air cooling assembly in the embodiments of the utility model are shown in the figure.

[0018] Figure 3 The arrangement between the frame body, the ring-shaped member and the strip-shaped member in the embodiments of the utility model is shown in the figure.

[0019] Figure 4 The arrangement between the refrigeration box, the cold guide, the fan and the refrigeration device in the embodiments of the utility model is shown in the figure.

[0020] Figure 5 It is a structure schematic view of the cold guide of the utility model embodiment.

[0021] The reference signs are annotated: 1 - charging port, 2 - frame, 3 - cover plate, 4 - air cooling assembly, 401 - refrigeration box, 402 - ring-shaped part, 403 - air outlet nozzle, 404 - fan, 405 - refrigeration device, 406 - cold guide, 407 - flow channel, 408 - air outlet hole, 5 - air curtain assembly, 501 - strip-shaped part, 502 - air outlet groove, 503 - first filter screen, 504 - second filter screen. DETAILED DESCRIPTION

[0022] The following further describes the present application in detail with reference to the drawings, and it is necessary to point out here that the following detailed description is only used to further illustrate the present application and cannot be understood as limiting the protection scope of the present application, and the skilled in the art can make some non-essential improvements and adjustments to the present application according to the above application content.

[0023] Please refer to Figure 1 A charging port structure of an electric forklift truck, comprising a charging port 1, the charging port 1 is arranged on a forklift truck beam, a frame 2 is further arranged on the forklift truck beam, the frame 2 is arranged in a manner of surrounding the charging port 1, and a cover plate 3 is arranged on the side of the frame 2 away from the forklift truck beam in a hinged manner, and the charging port structure further comprises an air cooling assembly 4 for cooling the charging port 1 when the forklift truck is charging.

[0024] By arranging the charging port 1 on the beam in an integrated manner, the charging operation is greatly facilitated, when not charging, the charging port 1 is protected by the cover structure formed by the frame 2 and the cover plate 3, when charging, the cover plate 3 is opened to expose the charging port 1 so as to be connected with the charging gun for charging, and during the charging process, the air cooling assembly 4 is used to cool the charging port 1, thereby ensuring that the electric forklift truck is safely charged.

[0025] Further, the cover plate 3 is hinged to the frame 2, and a torsional spring (not shown in the figure) is arranged at the hinge connection between the cover plate 3 and the frame 2, which is used to maintain the raised state of the cover plate 3 after the cover plate 3 is opened, when the cover plate 3 is opened for charging, the cover plate 3 is maintained in the raised state under the action of the torsional spring, thereby avoiding that the cover plate 3 is hung on the charging gun, and when the cover plate 3 is closed, the cover plate 3 can be locked by means of buckles, catches and the like to maintain the closed state of the cover plate 3, which is not limited in the present application.

[0026] Please refer to Figures 1 to 5In one embodiment of the utility model, the air-cooled assembly 4 includes a refrigeration box 401 and an annular piece 402 arranged inside the frame body 2, the annular piece 402 is hollow inside, and a plurality of air outlet nozzles 403 with air outlet directions towards the charging port 1 are uniformly arranged on the annular piece 402 in the circumferential direction, one end of the refrigeration box 401 is provided with a fan 404, and the other end is in communication with the inside of the annular piece 402, a cold guide 406 is arranged in the refrigeration box 401, the cold guide 406 is provided with a flow channel 407 in a through mode, and a refrigeration device 405 is arranged outside the refrigeration box 401, and the cold end of the refrigeration device 405 is connected with the cold guide 406, and the frame body 2 is further provided with an air outlet hole 408.

[0027] In the embodiment, the fan 404 delivers air flow into the refrigeration box 401, the air flow enters the annular piece 402 after flowing through the flow channel 407, and then is discharged through the air outlet nozzles 403 to blow towards the charging port 1, the cold guide 406 is in a low-temperature state under the action of the refrigeration device 405, the air flow exchanges heat with the cold guide 406 in the low-temperature state during the process of flowing through the flow channel 407, so that the air flow is cooled, the air flow blowing towards the charging port 1 is cold air flow, and good cooling and heat dissipation effects can be achieved, and the air flow blowing towards the charging port 1 is discharged through the air outlet hole 408; it should be noted that the air-cooled assembly 4 can be connected to the electric forklift power system to realize power supply, and of course, a separate battery can also be arranged to supply power, and similarly, the air-cooled assembly 4 can be automatically started and worked by the electric forklift background control after the charging gun is connected with the charging port 1 (the corresponding control technology is prior art), or the air-cooled assembly 4 can be started manually in the form of a control button during charging, and the embodiment is not limited in this regard.

[0028] Further, in the embodiment, the refrigeration device 405 is a semiconductor refrigeration device, and the cold guide 406 is made of a metal material, such as copper or aluminum, so as to have good heat exchange performance.

[0029] Please refer to Figures 2 to 4 In one embodiment of the utility model, the charging port structure further includes a wind curtain assembly 5 for forming a wind curtain on the side of the frame body 2 away from the forklift beam to block dust during charging of the forklift.

[0030] The wind curtain assembly 5 includes a strip-shaped piece 501 arranged on one side of the frame body 2, the strip-shaped piece 501 is hollow inside, and an air outlet groove 502 is arranged on the side of the strip-shaped piece 501 facing the frame body 2, the refrigeration box 401 is in communication with the inside of the strip-shaped piece 501 (communication is realized in a mode such as a pipeline), a first filter screen 503 is arranged on the air inlet end of the refrigeration box 401, and a second filter screen 504 is arranged on the region of the frame body 2 provided with the air outlet hole 408.

[0031] In the embodiment, when not charging, the charging port 1 is covered by the cover-shaped structure formed by the frame 2 and the cover plate 3, which is one of the important functions of protection, that is, to prevent dust from adhering to the charging port 1. When charging, the cover plate 3 must be opened to expose the charging port 1. To avoid dust entering during charging, the air curtain assembly 5 is arranged to form an air curtain on the side of the frame 2 away from the forklift beam to prevent dust. Specifically, when the fan 404 sends airflow into the refrigeration box 401, part of the airflow is diverted into the strip-shaped member 501, and the airflow entering the strip-shaped member 501 is discharged through the air outlet slot 502 to form an air curtain, which plays a role in preventing dust from entering during charging of the electric forklift. The first filter screen 503 is arranged to clean the air curtain airflow and the airflow blown towards the charging port 2 during charging. The second filter screen 504 is arranged to prevent external dust from entering through the air outlet hole 408 when not charging.

[0032] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. An electric fork truck charging port structure comprising a charging port (1), characterized in that, The charging port (1) is arranged on the forklift beam, and a frame body (2) is also arranged on the forklift beam, the frame body (2) is arranged to surround the charging port (1), and a cover plate (3) is arranged on the side of the frame body (2) away from the forklift beam in a hinged manner, and the charging port structure further comprises a air cooling assembly (4) for cooling the charging port (1) when the forklift is charging.

2. The electric fork truck charging port structure of claim 1, wherein, The air cooling assembly (4) comprises a refrigeration box (401) and a ring-shaped part (402) arranged inside the frame body (2), the ring-shaped part (402) is hollow inside, and a plurality of air outlet nozzles (403) are uniformly arranged on the ring-shaped part (402) in the circumferential direction, the air outlet nozzles (403) are arranged to direct air towards the charging port (1), one end of the refrigeration box (401) is provided with a fan (404), and the other end is in communication with the inside of the ring-shaped part (402), a cold guide (406) is arranged in the refrigeration box (401), the cold guide (406) is provided with a flow channel (407) in a penetrating manner, and a refrigeration device (405) is arranged outside the refrigeration box (401), and the cold end of the refrigeration device (405) is connected with the cold guide (406), and an air outlet hole (408) is further arranged on the frame body (2).

3. The electric fork truck charging port structure of claim 2, wherein, The charging port structure further comprises a air curtain assembly (5) for forming an air curtain on the side of the frame body (2) away from the forklift beam to prevent dust.

4. The electric fork truck charging inlet structure of claim 3, wherein, The air curtain assembly (5) comprises a strip-shaped part (501) arranged on one side of the frame body (2), the strip-shaped part (501) is hollow inside, and an air outlet groove (502) is arranged on the side of the strip-shaped part (501) facing the frame body (2), the refrigeration box (401) is in communication with the inside of the strip-shaped part (501), a first filter screen (503) is arranged on the air inlet end of the refrigeration box (401), and a second filter screen (504) is arranged on the region of the frame body (2) provided with the air outlet hole (408).

5. The electric fork truck charging inlet structure of claim 1, wherein, The cover plate (3) is hinged to the frame body (2), and a torsional spring is arranged at the hinge connection between the cover plate (3) and the frame body (2) to maintain the raised state of the cover plate (3) after being opened.

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