Lithium battery fixing device

Abstract

The utility model provides a lithium battery fixing device which comprises a frame, a battery pack is arranged in the middle of the frame, a plurality of battery packs are arranged in the middle of the battery pack, and a plurality of battery packs are combined and mounted through a composite structure of the battery packs; the limiting mechanism comprises a positioning block and a positioning groove and is used for limiting the mounting depth of the battery pack; an upper cover plate is fixedly mounted in the middle of the upper end of the battery pack through a bolt, the slide way is arranged in the middle of the upper end of the upper cover plate, and a plurality of groups of slide blocks are arranged at the lower end of the battery pack. The electric quantity of the whole battery pack is combined and controlled through the combination of the battery blocks, the protruding clamping plates are arranged on the outer sides of the partition plates, the battery blocks are installed through the clamping plates, the battery blocks and the whole battery pack are combined, and the whole structure of the battery pack is reinforced through the battery blocks; the bolts are fixedly mounted at the upper end of the battery pack through the upper cover plate, so that an integrated structure of the battery pack is realized.

Description

Technical Field

[0001] The utility model relates to the field of electric forklifts, in particular to a lithium battery fixing device. Background Art

[0002] An electric forklift refers to a forklift that operates with electricity, and most of them work with a storage battery. A storage battery is a type of battery, and its function is to store limited electric energy and use it in a suitable place. Its working principle is to convert chemical energy into electric energy. The storage battery installed in the battery of an electric forklift is of this kind.

[0003] A battery forklift uses a storage battery as the power source to drive the driving motor and the oil pressure system motor, so as to realize driving and loading / unloading operations. An electric forklift is a loading, unloading and handling vehicle powered by a DC power supply (battery). Its appearance has greatly improved the performance of electric forklifts. Generally speaking, the durability, reliability and applicability of electric forklifts have been significantly improved, and they can fully compete with internal combustion engine forklifts.

[0004] During the process of fixing the lithium battery device, the inventors of this application found that the above technology has at least the following technical problems:

[0005] During the use of lithium batteries, they need to be fixedly installed. In addition, the battery pack structure needs to be frequently disassembled, assembled, regularly replaced and maintained, which puts high requirements on the convenience and stability of the disassembly, assembly and installation of the battery pack. Therefore, we propose a lithium battery fixing device to solve the above problems. Content of the Utility Model

[0006] The main purpose of the utility model is to provide a lithium battery fixing device, which can effectively solve the problems in the background art.

[0007] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0008] A lithium battery fixing device, comprising:

[0009] A vehicle frame, which is the frame of the vehicle body. A battery pack is arranged in the middle of the vehicle frame, and several groups of battery packs are arranged in the middle of the battery pack. The multi-group battery packs are combined and installed through the composite structure of multiple groups of battery packs to realize the combination of the battery packs; and

[0010] A limiting mechanism, including a positioning block and a positioning groove, to limit the installation depth of the battery pack; and

[0011] A sliding mechanism, including a slideway and a slider. The upper middle part of the battery pack is fixedly installed with an upper cover plate through bolts. A slideway is arranged in the middle of the upper end of the upper cover plate, and several groups of sliders are arranged at the lower end of the battery pack.

[0012] Preferably, a positioning groove is provided inside the battery pack, and a positioning block is provided on the right side of the battery pack. The positioning block is a semi-circular convex block, and the groove shape of the positioning groove corresponds to that of the positioning block. By inserting the positioning block into the positioning groove, the installation depth of the positioning block can be controlled, so that the position of the battery pack can be better installed in place, which is convenient for subsequent fixing and ensures the installation accuracy.

[0013] Preferably, the positions of the slideway and the slider correspond to each other. The slider at the bottom of one group of battery packs corresponds to the slideway in the battery packs of the next group. By sliding the slider in the slideway, the installation of the battery packs can be slid and guided, improving the convenience and accuracy of installation.

[0014] Preferably, a plurality of groups of partition plates are provided in the middle of the battery pack. The partition plates are arranged in a vertical and horizontal partition structure, dividing the middle part of the battery pack into several installation grooves. Battery blocks are snap-fitted and installed inside the installation grooves. By combining the battery blocks, the overall power of the battery pack can be combined and controlled. A protruding clamping plate is provided on the outside of the partition plate. The battery blocks can be installed through the clamping plate, and the battery blocks can be combined with the whole battery pack to strengthen the overall structure of the battery pack through the battery blocks.

[0015] Preferably, an upper cover plate is provided at the upper end of the battery pack. The bolt is fixedly installed at the upper end of the battery pack through the upper cover plate to realize the integrated structure of the battery pack.

[0016] Preferably, a filter plate is provided on the outside of the battery pack. Air filtration is carried out through the filter plate to cool the battery blocks.

[0017] Preferably, chassis are provided on both sides below the vehicle frame. Rotating wheels are provided at the bottom of the chassis. The forklift is driven to move through the rotating wheels. A lifting guide rod is provided in the middle of the chassis. A plug rod is slidably installed in the middle of the lifting guide rod.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] 1. The limiting mechanism includes a positioning block and a positioning groove. The positioning block is a semi-circular convex block, and the groove shape of the positioning groove corresponds to that of the positioning block. By inserting the positioning block into the positioning groove, the installation depth of the positioning block can be controlled, so that the position of the battery pack can be better installed in place, which is convenient for subsequent fixing and ensures the installation accuracy.

[0020] 2. The sliding mechanism includes a slideway and a slider. The positions of the slideway and the slider correspond to each other. The slider at the bottom of one group of battery packs corresponds to the slideway in the battery packs of the next group. By sliding the slider in the slideway, the installation of the battery packs can be slid and guided, improving the convenience and accuracy of installation.

[0021] 3. Several groups of partition plates are arranged in the middle of the battery pack, dividing the middle part of the battery pack into several groups of installation slots. Battery blocks are snap-fitted and installed inside the installation slots. The overall power of the battery pack is combined and controlled through the combination of the battery blocks. A protruding clamping plate is arranged on the outer side of the partition plate. The battery blocks are installed through the clamping plate, enabling the combination of the battery blocks with the overall battery pack. The overall structure of the battery pack is strengthened by the battery blocks. The bolt is fixedly installed on the upper end of the battery pack through the upper cover plate to achieve the integrated structure of the battery pack. Brief Description of the Drawings

[0022] Figure 1 The overall structure diagram of a lithium battery fixing device of the present utility model;

[0023] Figure 2 The top view structure diagram of the battery pack in a lithium battery fixing device of the present utility model;

[0024] Figure 3 The side sectional structure diagram of the battery pack in a lithium battery fixing device of the present utility model;

[0025] Figure 4 The top view structure diagram of the battery pack in a lithium battery fixing device of the present utility model;

[0026] Figure 5 The side sectional structure diagram of the battery pack in a lithium battery fixing device of the present utility model;

[0027] Figure 6 The side view structure diagram of the battery pack in a lithium battery fixing device of the present utility model.

[0028] In the figure: 1, vehicle frame; 2, lifting guide rod; 3, battery pack; 4, chassis; 5, partition plate; 6, battery block; 7, positioning block; 8, positioning groove; 9, slideway; slider 10, slider; battery pack 11, battery pack; upper cover plate 12, upper cover plate; filter plate 13, filter plate. Detailed Description of the Preferred Embodiments

[0029] The present utility model will be further described in detail below with reference to the accompanying drawings.

[0030] Embodiment 1

[0031] Referring to Figure 1 as shown, a lithium battery fixing device includes:

[0032] A vehicle frame 1, the vehicle frame 1 being the frame of the vehicle body. A battery pack 3 is arranged in the middle of the vehicle frame 1. Several groups of battery packs 11 are arranged in the middle of the battery pack 3. The multi-group battery packs are combined and installed through the composite structure of the multi-group battery packs 11 to achieve the combination of the battery packs 11; and

[0033] As Figure 3As shown, the limiting mechanism includes a positioning block 7 and a positioning groove 8. The positioning groove 8 is provided inside the battery pack 3, and the positioning block 7 is provided on the right side of the battery group 11. The positioning block 7 is a semi-circular convex block, and the groove shape of the positioning groove 8 corresponds to that of the positioning block 7. By inserting the positioning block 7 into the positioning groove 8, the installation depth of the positioning block 7 can be controlled, so that the position of the battery group 11 can be better installed in place, which is convenient for subsequent fixing and ensures the installation accuracy; and

[0034] As Figure 3-4 shown, the sliding mechanism includes a slideway 9 and a slider 10. The upper middle part of the battery group 11 is fixedly installed with an upper cover plate 12 by bolts. The slideway 9 is provided in the upper middle part of the upper cover plate 12, and several groups of sliders 10 are provided at the lower end of the battery group 11. The positions of the slideway 9 and the slider 10 correspond to each other. The slider 10 at the bottom of one group of battery groups 11 corresponds to the slideway 9 in the next group of battery groups 11. By sliding the slider 10 in the slideway 9, the installation of the battery group 11 is slid and guided, improving the installation convenience and installation accuracy.

[0035] Embodiment 2

[0036] Referring to Figure 1 shown, a lithium battery fixing device includes:

[0037] A vehicle frame 1, which is the frame of the vehicle body. A battery pack 3 is provided in the middle of the vehicle frame 1, and several groups of battery groups 11 are provided in the middle of the battery pack 3. By using the composite structure of multiple groups of battery groups 11, multiple groups of batteries are combined and installed to achieve the combination of the battery groups 11; and

[0038] As Figure 3 shown, the limiting mechanism includes a positioning block 7 and a positioning groove 8. The positioning groove 8 is provided inside the battery pack 3, and the positioning block 7 is provided on the right side of the battery group 11. The positioning block 7 is a semi-circular convex block, and the groove shape of the positioning groove 8 corresponds to that of the positioning block 7. By inserting the positioning block 7 into the positioning groove 8, the installation depth of the positioning block 7 can be controlled, so that the position of the battery group 11 can be better installed in place, which is convenient for subsequent fixing and ensures the installation accuracy; and

[0039] As Figure 3-4 shown, the sliding mechanism includes a slideway 9 and a slider 10. The upper middle part of the battery group 11 is fixedly installed with an upper cover plate 12 by bolts. The slideway 9 is provided in the upper middle part of the upper cover plate 12, and several groups of sliders 10 are provided at the lower end of the battery group 11. The positions of the slideway 9 and the slider 10 correspond to each other. The slider 10 at the bottom of one group of battery groups 11 corresponds to the slideway 9 in the next group of battery groups 11. By sliding the slider 10 in the slideway 9, the installation of the battery group 11 is slid and guided, improving the installation convenience and installation accuracy.

[0040] As Figure 5 shown, a plurality of groups of partition plates 5 are arranged in the middle of the battery pack 11. The partition plates 5 are partition plate structures distributed vertically and horizontally, dividing the middle part of the battery pack 11 into a plurality of groups of installation grooves. Battery blocks 6 are snap-fitted and installed inside the installation grooves. The overall power of the battery pack 11 is combined and controlled through the combination of the battery blocks 6. Among them, protruding clamping plates are arranged on the outer sides of the partition plates 5, and the battery blocks 6 are installed through the clamping plates, so that the battery blocks 6 can be combined with the whole battery pack 11, and the overall structure of the battery pack 11 is strengthened through the battery blocks 6. An upper cover plate 12 is arranged at the upper end of the battery pack 11, and bolts are fixedly installed at the upper end of the battery pack 11 through the upper cover plate 12 to realize the integrated structure of the battery pack 11.

[0041] As Figure 6 shown, a filter plate 13 is arranged on the outer side of the battery pack 11, and air is filtered through the filter plate 13 to cool the battery blocks 6.

[0042] Chassis 4 are arranged on both sides below the frame 1. Rotating wheels are arranged at the bottom of the chassis 4, and the forklift is driven to move through the rotating wheels. A lifting guide rod 2 is arranged in the middle of the chassis 4, and a plug rod is slidably installed in the middle of the lifting guide rod 2.

[0043] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A lithium battery fixing device, characterized in that including a vehicle frame (1), the vehicle frame (1) being the frame of the vehicle body, a battery pack (3) being arranged in the middle of the vehicle frame (1), and a plurality of groups of battery modules (11) being arranged in the middle of the battery pack (3). The plurality of groups of battery modules are combined and installed through the composite structure of the multiple groups of battery modules (11) to achieve the combination of the battery modules (11); and a limiting mechanism including a positioning block (7) and a positioning groove (8) to limit the installation depth of the battery module (11); and a sliding mechanism including a slideway (9) and a slider (10). A top cover plate (12) is fixedly installed in the middle of the upper end of the battery module (11) through bolts. A slideway (9) is arranged in the middle of the upper end of the top cover plate (12), and a plurality of groups of sliders (10) are arranged at the lower end of the battery module (11).

2. The lithium battery fixing device according to claim 1, characterized in that: A positioning groove (8) is arranged inside the battery pack (3), and a positioning block (7) is arranged on the right side of the battery module (11). The positioning block (7) is a semi-circular protruding block, and the groove shape of the positioning groove (8) corresponds to that of the positioning block (7).

3. A lithium battery fixing device according to claim 2, characterized in that: The positions of the slideway (9) and the slider (10) correspond to each other. The slider (10) at the bottom of one group of battery modules (11) corresponds to the slideway (9) in the battery module (11) of the next lower group. The installation of the battery module (11) is slid and guided by the sliding of the slider (10) in the slideway (9).

4. The lithium battery fixing device according to claim 3, characterized in that: A plurality of groups of partition plates (5) are arranged in the middle of the battery module (11). The partition plates (5) are partition plate structures distributed vertically and horizontally, dividing the middle part of the battery module (11) into a plurality of installation slots. Battery blocks (6) are snap-fitted inside the installation slots. A protruding clamping plate is arranged on the outside of the partition plate (5), and the battery blocks (6) are installed through the clamping plate.

5. A lithium battery fixing device according to claim 4, characterized in that: A top cover plate (12) is arranged at the upper end of the battery module (11), and the top cover plate (12) is fixedly installed at the upper end of the battery module (11) through bolts.

6. The lithium battery fixing device according to claim 5, wherein: A filter plate (13) is arranged on the outside of the battery module (11).

7. A lithium battery fixing device according to claim 1, characterized in that: Chassis (4) are arranged on both sides below the vehicle frame (1). Rotating wheels are arranged at the bottom of the chassis (4). The forklift is driven to move and controlled through the rotating wheels. A lifting guide rod (2) is arranged in the middle of the chassis (4), and a plug rod is slidably installed in the middle of the lifting guide rod (2).

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