Lithium battery pack for a forklift truck

By introducing a cooling fan, temperature sensor, and limit plate structure into the lithium battery pack for forklifts, the problems of inconvenient installation and poor heat dissipation are solved, achieving convenient installation, disassembly, and intelligent heat dissipation.

CN116675154BActive Publication Date: 2025-12-19LUOYANG DIANNIU NEW POWER TECH CO LTD
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Patent Information

Application Number
CN202310831233.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-07-07
Publication Date
2025-12-19
Estimated Expiration
2043-07-07

AI Technical Summary

Technical Problem

Existing lithium battery packs for forklifts are inconvenient to install and remove, and have poor heat dissipation.

Method used

The lithium battery pack body was designed, including a cooling fan, temperature sensor and control receiver. It is easy to install and remove through threaded rod and limit plate structure, and the heat dissipation efficiency is improved through temperature monitoring and automatic heat dissipation system.

Benefits of technology

It enables convenient installation and removal of lithium battery packs, improves heat dissipation, ensures the ease of replacement and maintenance of lithium battery packs, and enhances the intelligence and efficiency of heat dissipation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the technical field of lithium battery packs of forklifts, in particular to a lithium battery pack for a forklift, which comprises a lithium battery pack body, the top of the lithium battery pack body is provided with a heat dissipation cover, the heat dissipation cover is provided with a temperature sensor, a threaded rod and a rotating drum are arranged, the threaded rod and the rotating drum can drive a limiting clamping plate to slide in a through groove, a heat dissipation fan is arranged at the middle of the top, the limiting clamping plate is provided with an L-shaped structure design on the top of the heat dissipation cover and the left side of the heat dissipation fan, and the limiting clamping groove is provided with an inverted T-shaped structure design, so that when the lithium battery pack body is installed, the limiting clamping plate is slid and inserted into the limiting clamping groove, then the limiting clamping plate is pushed into the limiting clamping groove through the telescopic threaded rod, and the installation of the lithium battery pack body is completed; the disassembly is conversely operated; and the above design can conveniently install and dismount the lithium battery pack body, and conveniently replace and maintain the lithium battery pack body in the later period.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of lithium battery packs for forklifts, in particular to a lithium battery pack for forklifts. BACKGROUND

[0002] A forklift is an industrial handling vehicle, which refers to various wheeled handling vehicles for loading, unloading, stacking and short-distance transporting of palletized goods. It is commonly used for transporting large objects in warehouses and usually uses a fuel engine or a battery.

[0003] At present, battery-driven forklifts are equipped with lithium battery packs, but the existing lithium battery packs for forklifts have the disadvantage of being inconvenient to install and disassemble, which will affect the replacement and maintenance of the lithium battery pack in the later period, and the existing lithium battery packs for forklifts also have the problem of poor heat dissipation effect.

[0004] Therefore, it is necessary to improve the above problems by providing a lithium battery pack for forklifts. SUMMARY

[0005] The present application aims to provide a lithium battery pack for forklifts to solve the problems raised in the background.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0007] A lithium battery pack for forklifts, comprising a lithium battery pack body, a heat dissipation cover is arranged on the top of the lithium battery pack body, a heat dissipation fan is installed at the top of the heat dissipation cover, a temperature sensor is installed on the left side of the top of the heat dissipation cover and located at the left side of the heat dissipation fan, a control receiver is installed on the right side of the top of the heat dissipation cover and located at the right side of the heat dissipation fan, a connecting plate is arranged below the front and rear sides of the lithium battery pack body, a through slot is formed on the surface of the connecting plate, a sliding groove is symmetrically formed on the inner wall of the through slot, a limiting clamping plate is connected inside the through slot and symmetrically arranged on the left and right sides, a sliding block is arranged on the front and rear sides of the limiting clamping plate and corresponds to the sliding groove, a threaded rod is arranged above the inner side of the limiting clamping plate, a rotating drum is sleeved on the inner end of the threaded rod, a pull handle is arranged on the left and right sides of the lithium battery pack body, a mounting seat is arranged on the bottom of the lithium battery pack body, a mounting groove is formed in the middle of the top surface of the mounting seat, and a limiting clamping groove is formed on the top surface of the mounting seat and corresponds to the limiting clamping plate.

[0008] As a preferred scheme of the present application, the heat dissipation fan and the temperature sensor are respectively connected to the control receiver through wires, and the connection mode is electrical connection.

[0009] As a preferred scheme of the present application, the control receiver is connected to the control device of the forklift through a connecting line, and the connection mode is electrical connection.

[0010] As a preferred scheme of the present application, the outer shape structure of the limiting clamping plate is designed as an "L" shape structure, and the connecting mode of the limiting clamping plate and the through groove is sliding connection.

[0011] As a preferred scheme of the present application, the sliding block is located inside the sliding groove, and the connecting mode of the sliding block and the sliding groove is sliding connection.

[0012] As a preferred scheme of the present application, the connecting mode of the rotating drum and the threaded rod is threaded connection.

[0013] As a preferred scheme of the present application, the structure size of the lithium battery pack body and the mounting groove is matched, and the structure of the lithium battery pack body and the mounting groove is sliding plug-in connection.

[0014] As a preferred scheme of the present application, the outer shape structure of the limiting clamping groove is designed as an "inverted T" shape structure, and the connecting structure of the limiting clamping plate and the limiting clamping groove is sliding connection.

[0015] As a preferred scheme of the present application, the connecting mode of the pull handle and the lithium battery pack body is sliding connection.

[0016] As a preferred scheme of the present application, the mounting seat is fixedly connected with the forklift through bolts.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] 1、In the present application, the threaded rod and the rotating drum arranged in the lithium battery pack for forklift can drive the limiting clamping plate to slide in the through groove, and the outer shape structure of the limiting clamping plate is designed as an "L" shape structure, and the outer shape structure of the limiting clamping groove is designed as an "inverted T" shape structure, so that when the lithium battery pack body is installed, the limiting clamping plate can be slid and inserted into the limiting clamping groove, and then the limiting clamping plate can be pushed into the limiting clamping groove through the telescopic threaded rod, thereby completing the installation of the lithium battery pack body. The above design can facilitate the installation and disassembly of the lithium battery pack body, and facilitate the replacement and maintenance of the lithium battery pack body in the later period.

[0019] 2、In the present application, the heat dissipation fan, the temperature sensor and the control receiver arranged in the lithium battery pack for forklift can monitor the temperature of the lithium battery pack body in real time. When the temperature of the lithium battery pack body is too high, the information can be transmitted to the control equipment of the forklift in the first time, and then the driver can start the heat dissipation fan to dissipate heat of the lithium battery pack body in the first time, so that the overall heat dissipation effect of the lithium battery pack body is more intelligent and better. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall appearance structure of the present application;

[0021] Figure 2It is the appearance structure schematic diagram of the lithium battery pack body of the present application;

[0022] Figure 3 It is the appearance structure schematic diagram of the lithium battery pack body of the present application;

[0023] Figure 4 It is the appearance structure schematic diagram of the lithium battery pack body of the present application;

[0024] Figure 5 It is the appearance structure schematic diagram of the lithium battery pack body of the present application.

[0025] In the figure: 1, lithium battery pack body; 2, heat sink; 3, cooling fan; 4, temperature sensor; 5, control receiver; 6, connecting plate; 7, through slot; 8, sliding groove; 9, limiting clamping plate; 10, sliding block; 11, threaded rod; 12, rotating drum; 13, pull handle; 14, mounting seat; 15, mounting groove; 16, limiting clamping groove. Embodiment

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the related drawings, and several embodiments of the present application are given. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0028] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0030] Embodiment, please see Figures 1-5The application provides a technical scheme:

[0031] A lithium battery pack for a forklift truck comprises a lithium battery pack body 1, a heat dissipation cover 2 is arranged on the top of the lithium battery pack body 1, a heat dissipation fan 3 is installed at the middle of the top of the heat dissipation cover 2, a temperature sensor 4 is installed on the top of the heat dissipation cover 2 and located at the left side of the heat dissipation fan 3, a control receiver 5 is installed on the top of the heat dissipation cover 2 and located at the right side of the heat dissipation fan 3, a connecting plate 6 is arranged below the front and rear sides of the lithium battery pack body 1, a through groove 7 is formed in the surface of the connecting plate 6, slide grooves 8 are symmetrically formed in the inner walls of the through groove 7, limit clamping plates 9 are symmetrically connected to the inside of the through groove 7, slide blocks 10 are arranged on the front and rear sides of the limit clamping plates 9 and correspond to the slide grooves 8, threaded rods 11 are arranged above the inside of the limit clamping plates 9, rotating barrels 12 are sleeved with the inner ends of the threaded rods 11, pull handles 13 are arranged on the left and right sides of the lithium battery pack body 1, a mounting seat 14 is arranged on the bottom of the lithium battery pack body 1, a mounting groove 15 is formed in the middle of the top surface of the mounting seat 14, and a limit clamping groove 16 is formed in the top surface of the mounting seat 14 and corresponds to the limit clamping plate 9.

[0032] In the embodiment, the heat dissipation fan 3 and the temperature sensor 4 are connected with the control receiver 5 through wires, and the connection is electrical connection; the control receiver 5 is connected with the control device of the forklift through a connecting line, and the connection is electrical connection; the limiting clamping plate 9 is designed in an "L" shape structure, and the limiting clamping plate 9 and the through groove 7 are connected in a sliding connection; the sliding block 10 is located in the sliding groove 8, and the sliding block 10 and the sliding groove 8 are connected in a sliding connection; the rotating barrel 12 and the threaded rod 11 are connected in a threaded connection; the lithium battery pack body 1 is matched with the installation groove 15 in size, and the lithium battery pack body 1 and the installation groove 15 are connected in a sliding plug connection; the limiting clamping groove 16 is designed in an "inverted T" shape structure, and the limiting clamping plate 9 and the limiting clamping groove 16 are connected in a sliding connection; the pull handle 13 and the lithium battery pack body 1 are connected in a sliding connection; the mounting seat 14 is fixedly connected with the forklift through bolts; the threaded rod 11 and the rotating barrel 12 can drive the limiting clamping plate 9 to slide in the through groove 7, and the limiting clamping plate 9 is designed in an "L" shape structure and the limiting clamping groove 16 is designed in an "inverted T" shape structure, so that when the lithium battery pack body 1 is installed, the limiting clamping plate 9 is slidably inserted into the limiting clamping groove 16, and then the limiting clamping plate 9 is pushed into the limiting clamping groove 16 through the telescopic threaded rod 11, so that the installation of the lithium battery pack body 1 is completed; the above design can facilitate the installation and disassembly of the lithium battery pack body 1, and facilitate the replacement and maintenance of the lithium battery pack body 1 in the later period; the heat dissipation fan 3, the temperature sensor 4 and the control receiver 5 can monitor the temperature of the lithium battery pack body 1 in real time, and when the temperature of the lithium battery pack body 1 is too high, the information will be transmitted to the control device of the forklift in the first time, and then the driver can start the heat dissipation fan 3 to dissipate heat for the lithium battery pack body in the first time, so that the overall heat dissipation effect of the lithium battery pack body 1 is more intelligent and better.

[0033] The working process of the present application: when installing the lithium battery pack for the forklift, first install the mounting seat 14 in the forklift, then rotate the rotating drum 12 in reverse, since the connection mode of the rotating drum 12 and the threaded rod 11 is threaded connection, at this time the threaded rod 11 will make a contraction movement to the inside of the rotating drum 12, since the connection mode of the limiting clamping plate 9 and the through slot 7 is sliding connection, and the connection mode of the sliding block 10 and the sliding slot 8 is sliding connection, so the threaded rod 11 will drive the limiting clamping plate 9 to make a relative movement in the through slot 7, at this time the distance between the two sets of limiting clamping plates 9 will become close, stop rotating the rotating drum 12 after the two sets of limiting clamping plates 9 can be inserted into the limiting clamping groove 16, then lift the lithium battery pack body 1 through the pull handle 13, then put the lithium battery pack body 1 into the installation groove 15, at this time the limiting clamping plate 9 will also be inserted into the limiting clamping groove 16, then rotate the rotating drum 12 in the forward direction, at this time the threaded rod 11 will stretch to the outside of the rotating drum 12, then the threaded rod 11 will push the limiting clamping plate 9 to move outward, then the limiting clamping plate 9 will be clamped and slid into the limiting clamping groove 16, at this time the installation of the lithium battery pack body 1 is completed, when disassembling the lithium battery pack body 1, rotate the rotating drum 12 in reverse, at this time the threaded rod 11 will make a contraction movement to the inside of the rotating drum 12, then the two sets of limiting clamping plates 9 will slide out from the end of the limiting clamping groove 16, then lift the lithium battery pack body 1 upward through the pull handle 13, at this time the lithium battery pack body 1 will be lifted out of the installation groove 15, the limiting clamping plate 9 will also be pulled out of the limiting clamping groove 16, at this time the disassembly of the lithium battery pack body 1 is completed, when the lithium battery pack body 1 overheats, at this time the temperature sensor 4 will detect the overheated temperature, then the information will be transmitted to the control equipment in the forklift through the control receiver 5, then the operator can start the cooling fan 3 to cool the lithium battery pack body 1, the threaded rod 11 and the rotating drum 12 are arranged to drive the limiting clamping plate 9 to slide in the through slot 7, and the limiting clamping plate 9 is designed in "L" shape structure, and the limiting clamping groove 16 is designed in "inverted T" shape structure, so that when installing the lithium battery pack body 1, the limiting clamping plate 9 can be slid and inserted into the limiting clamping groove 16, then the limiting clamping plate 9 can be pushed into the limiting clamping groove 16 through the telescopic threaded rod 11 to complete the installation of the lithium battery pack body 1, and the disassembly is operated in reverse, the above design can facilitate the installation and disassembly of the lithium battery pack body 1, and facilitate the replacement and maintenance of the lithium battery pack body 1 in the later period, the cooling fan 3, the temperature sensor 4 and the control receiver 5 can monitor the temperature of the lithium battery pack body 1 in real time, when the temperature of the lithium battery pack body 1 is too high, the information will be transmitted to the control equipment of the forklift in the first time, then the driver can start the cooling fan 3 to cool the lithium battery pack body in the first time, so that the overall cooling effect of the lithium battery pack body 1 is more intelligent and better.

[0034] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A lithium battery pack for a forklift truck comprising a lithium battery pack body (1) characterized in that: The top of the lithium battery pack body (1) is provided with a heat dissipation cover (2), the middle of the top of the heat dissipation cover (2) is installed with a heat dissipation fan (3), the top of the heat dissipation cover (2) and the left side of the heat dissipation fan (3) are installed with a temperature sensor (4), the top of the heat dissipation cover (2) and the right side of the heat dissipation fan (3) are installed with a control receiver (5), the lower sides of the front and rear of the lithium battery pack body (1) are provided with a connecting plate (6), the surface of the connecting plate (6) is provided with a through slot (7), the inner wall of the through slot (7) is symmetrically provided with a sliding groove (8) in front and back, the inside of the through slot (7) is symmetrically connected with a limiting clamping plate (9), the front and back sides of the limiting clamping plate (9) and corresponding to the sliding groove (8) are provided with a sliding block (10), the upper side of the inside of the limiting clamping plate (9) is provided with a threaded rod (11), the inner end of the threaded rod (11) is sleeved with a rotating drum (12), the left and right sides of the lithium battery pack body (1) are provided with a pull handle (13), the bottom of the lithium battery pack body (1) is provided with a mounting seat (14), the top surface of the mounting seat (14) is provided with a mounting groove (15) in the middle, and the top surface of the mounting seat (14) is provided with a limiting clamping groove (16) corresponding to the limiting clamping plate (9).

2. The lithium battery pack for a forklift according to claim 1, characterized by: The heat dissipation fan (3) and the temperature sensor (4) are respectively connected with the control receiver (5) through wires, and the connection mode is electrical connection.

3. The lithium battery pack for a forklift according to claim 1, characterized by: The control receiver (5) is connected with the control device of the forklift through a connecting line, and the connection mode is electrical connection.

4. The lithium battery pack for a forklift truck according to claim 1, characterized by: The limiting clamping plate (9) is designed as an "L" shaped structure, and the limiting clamping plate (9) and the through slot (7) are connected in a sliding manner.

5. The lithium battery pack for a forklift of claim 1, wherein: The sliding block (10) is located in the sliding groove (8), and the sliding block (10) and the sliding groove (8) are connected in a sliding manner.

6. The lithium battery pack for a forklift of claim 1, wherein: The rotating drum (12) and the threaded rod (11) are connected in a threaded manner.

7. The lithium battery pack for a forklift of claim 1, wherein: The lithium battery pack body (1) and the mounting groove (15) are matched in size, and the lithium battery pack body (1) and the mounting groove (15) are connected in a sliding manner.

8. The lithium battery pack for a forklift of claim 1, wherein: The limiting clamping groove (16) is designed as an "inverted T" shaped structure, and the limiting clamping plate (9) and the limiting clamping groove (16) are connected in a sliding manner.

9. The lithium battery pack for a forklift of claim 1, wherein: The pull handle (13) and the lithium battery pack body (1) are connected in a sliding manner.

10. The lithium battery pack for a forklift of claim 1, wherein: The mounting seat (14) is fixedly connected with the forklift through bolts.

Citation Information

Patent Citations

  • Forklift battery with good heat dissipation effect

    CN114388936A

  • Lithium battery pack shell structure for electric forklift

    CN212907956U