TWI675002B - Battery pack and electric stacker - Google Patents

Abstract

A battery pack and an electric stack high carrier. The electric stack high carrier includes a body and a battery pack disposed in the body. The battery pack includes a base, a battery pack, and a battery pack. A counterweight module and a second counterweight module, through the design of the first counterweight module and the second counterweight module, can help the counterweight balance of the electric stacker high load, and can be based on For different electric stacker carriers, the weight ratio relationship between the first counterweight module and the second counterweight module is designed.

Description

Battery pack and electric stack high carrier

The invention relates to the high load of a battery pack and an electric stack; in particular, it relates to an electric stack high carrier and a battery pack that can provide counterweight balance.

With the rising awareness of environmental protection, electric stack high carriers are becoming more and more popular. In order to ensure the balance of electric stack high carriers when carrying weight, it is particularly important for the balance of electric stack high carriers.

Therefore, how to provide an electric stack high carrier and a battery pack that can balance the overall weight balance and facilitate assembly and maintenance is one of the research directions of the inventors.

In view of this, an object of the present invention is to provide an electric stack high carrier capable of providing a counterbalance function and a battery pack thereof.

In order to achieve the above object, a battery pack provided by the present invention includes: a base, having a battery placement block, a first weight block, and a second weight block; a battery pack, disposed on The battery placement block; a first weight module including at least one first weight block, a plurality of first connecting rods, a plurality of first positioning members, and a first positioning plate. The at least one weight block is disposed on the The first weight block; one end of the first connecting rods is coupled to the base; the first positioning plate is disposed on the at least one first weight block; the first positioning members are respectively connected to the Some first connecting rods, and abut against the first positioning plate, so that the first positioning plate Press against the at least one first weight block; and a second weight module, including at least one second weight block, a plurality of second connecting rods, a plurality of second positioning members and a second positioning plate, the at least A second weight block is disposed on the second weight block; one end of the second connecting rods is coupled to the base; the second positioning plate is disposed on the at least one second weight block; The second positioning members are respectively connected to the second connecting rods, and abut against the second positioning plate, so that the second positioning plate is pressed against the at least one second weight.

In order to achieve the above object, an electric stack high carrier provided by the present invention includes: a body having a battery device space; and a battery pack disposed in the battery device space.

The effect of the present invention is that by designing the first weight module and the second weight module of the battery pack, the weight balance of the battery pack can be achieved, which is beneficial for the device to be mounted on an electric load such as an electric stack high carrier. With it.

〔this invention〕

100‧‧‧ battery pack

10‧‧‧ base

12‧‧‧ Battery placement block

14‧‧‧ the first counterweight block

16‧‧‧Second Counterweight Block

18‧‧‧ hook

20‧‧‧ battery pack

22‧‧‧Box

24‧‧‧ Power Transmission Line

30‧‧‧The first counterweight module

31‧‧‧ Lower positioning plate

32‧‧‧The first counterweight

34‧‧‧First connecting rod

341‧‧‧first thread section

36‧‧‧First positioning piece

38‧‧‧The first positioning plate

40‧‧‧Second Counterweight Module

41‧‧‧Lower positioning plate

42‧‧‧Second weight block

44‧‧‧ second connecting rod

441‧‧‧Second thread section

46‧‧‧Second positioning

48‧‧‧Second positioning plate

321, 421‧‧‧ raised

200‧‧‧ Electric Stacker

210‧‧‧ fork

FIG. 1 is a perspective view of a battery pack according to an embodiment of the present invention.

FIG. 2 is a partially exploded view of FIG. 1.

FIG. 3 is a partially enlarged view of FIG. 1.

FIG. 4 is similar to FIG. 1 and reveals that different numbers of first weight blocks are placed.

FIG. 5 is a schematic diagram of an electric stack high carrier according to an embodiment of the present invention.

In order to explain the present invention more clearly, an embodiment is described in detail below with reference to the drawings. Please refer to FIG. 1 and FIG. 2, a battery pack 100 according to an embodiment of the present invention includes a base 10, a battery pack 20, a first weight module 30, and a second weight module 40. .

The base 10 can be divided into a battery placement block 12, a first counterweight block 14, and a second counterweight block 16. The battery placement block 12 is used to place the battery pack 20. The first counterweight Block 14 is used to place the first weight module 30, and the second weight block 16 is used to place the second weight module 40. In this embodiment, the battery placement blocks 12 are located between the first weight block 14 and the second weight block 16. In addition, a hook 18 may be provided on the base 10 for a user to lift the battery pack 100 to place the battery pack 100 in an electric vehicle (not shown), such as a The electric stacker vehicle is used to supply the electric energy required for the electric stacker vehicle to operate.

The battery pack 20 includes a case 22 and at least one battery (not shown) disposed in the case 22. Among them, preferably, the battery is a lithium battery. Among them, the advantage of using a lithium battery is that It has the advantages of high energy density, wide operating temperature range, no memory effect, and long life. In addition, the box 22 is further provided with a power transmission line 24 electrically connected to an internal battery for the at least one battery to output power or to charge the at least one battery.

The first weight module 30 includes at least one first weight 32, a plurality of first connecting rods 34, a plurality of first positioning members 36, and a first positioning plate 38. In this embodiment, the number of the first weight blocks 32 is plural, and a user may place an appropriate number of the first weight blocks 32 on the first weight block of the base 10 according to the weight requirements. On the 14th, preferably, the first weights 32 are stacked on each other.

One end of the first connecting rods 34 is coupled to the base 10, and the other end thereof can be used to couple the first positioning members 36, and is connected to the first coupling members through the first positioning members 36. After the post 34 is received, it abuts against the first positioning plate 38 so that the first positioning plate 38 presses against and fixes the first weights 32.

In this embodiment, the number of the first connecting rods 34 is four, and the first connecting rods 34 pass through the holes in the first positioning plate 38, and each of the first connecting rods 34 has a first A threaded section 341 is used for screwing each of the first positioning members 36 to the first threaded section 341. For example, in the present embodiment, the first positioning member 36, which is a nut, is screwed onto the first threaded section 341 of the first connecting rod 34, and the nut is further pressed against the first positioning plate. 38, so that the first positioning plate 38 is firmly pressed against the first weight block 32.

In addition, as shown in FIG. 3, in this embodiment, a convex portion 321 is formed on one side of each of the first weight blocks 32, and the first connecting rods 34 are respectively located on the convex portion 321. Preferably, both sides of each of the first weights 32 have protrusions 321 on both sides. The advantage of the above design is that it helps to locate the first weight blocks 32 so that the protruding portions 321 of the first weight blocks 32 are restricted by the first connecting rods 34 on both sides without being biased. In addition, when the first weights 32 are placed, the first weights 32 can be conveniently placed and the first weights 32 can be easily aligned.

In addition, a lower positioning plate 31 may be disposed between the lowermost first weight block 32 and the base 10 and disposed on the base 10 to facilitate the placement of the first weight blocks 32, but not to This is limited.

The second weight module 40 includes at least one second weight block 42, a plurality of second connecting rods 44, a plurality of second positioning members 46, and a second positioning plate 48. In this embodiment, the number of the second weight blocks 42 is plural, and a user may place an appropriate number of the second weight blocks 42 on the second weight blocks of the base 10 according to the weight requirements. Preferably, the second weight blocks 42 are stacked on each other.

One end of the second connecting rods 44 is coupled to the base 10, and the other end thereof can be coupled to the second positioning members 46, and is connected to the second connecting rods 44 through the second positioning members 46. Then, the second positioning plate 48 is pressed against the second positioning plate 48, so that the second positioning plate 48 is pressed against and fixed the second weights 42.

In this embodiment, the number of the second connecting rods 44 is four, and the second connecting rods 44 respectively pass through the holes in the second positioning plate 48, and each of the second connecting rods 44 has a first The two threaded sections 441 are used for screwing each of the second positioning members 46 to the second threaded section 441. For example, in this embodiment, the second positioning member 46, which is a nut, is screwed onto the second threaded section 441 of the second connecting rod 44, and the nut is further pressed against the second positioning plate. 48, so that the second positioning plate 48 is firmly pressed against the second weight block 42.

In addition, in this embodiment, a convex portion 421 is formed on one side of each of the second weight blocks 42, and the second connecting rods 44 are respectively located on both sides of the convex portion 421. Each side of each of the second weight blocks 42 has a protruding portion 421. The advantage of the above design is that it helps to locate the second weight blocks 42 so that the protruding portions 421 of the second weight blocks 42 are limited by the second connecting rods 44 on both sides without being biased. In addition, when the second weight blocks 42 are placed, the second weight blocks 42 can be conveniently placed and the second weight blocks 42 can be conveniently positioned. In addition, a lower positioning plate 41 may be provided between the lowermost second weight block 42 and the base 10 and disposed on the base 10 to facilitate the placement of the second weight blocks 42 but not to This is limited.

In addition, in an embodiment, the weight or size of the first weight block 32 may be designed to be different from that of the second weight block 42. For example, in this embodiment, the weight of the first weight block 32 is less than The second weight block 42 can be used by the user to make different weight balances.

Through the above design, the battery pack 100 of the present invention allows users to select different numbers of first weight blocks 32 or second weights according to different electric vehicles mounted on the battery pack 100. The weight 42 is matched to obtain a proper weight balance. For example, please refer to FIG. 4. When the battery pack 100 needs to reduce some weight on the right side of FIG. 4, the user can remove the first weight of the part. Block 32, and then screw the first positioning member 36 to a proper position of the first threaded section 341 of the first connecting rod 34, so that the first positioning member 36 abuts against the first positioning plate 38, and the remaining position is stable. Of the first weight block 32. With the design of the connecting rods with threaded sections (such as the first and second connecting rods), the number and height of different weights (such as the first and second weights) can be more adapted. The positioning piece is locked at the proper threaded section of the connecting rod, which is conducive to stably fixing the counterweight.

Please refer to FIG. 5. In one embodiment, the battery pack 100 of the present invention can be installed in a battery device space of a body of an electric stacker carrier 200, and can be required according to different electric stacker carriers 200. Weight balance to place different numbers of first weights or second weights, and the battery pack 100 can supply the electric power required by the electric stack high carrier 200, whereby the electric stack high carrier 200 can The battery pack 100 is used as a power supply source to control the movement of the body, or to control its fork frame 210 to perform actions such as forward movement, retracting, or lifting.

In addition, since the battery pack 20, the first weight module 30, and the second weight module 40 of the battery pack 100 of the present invention are respectively disposed on the base 10, when the battery pack 20, the first When any one of the counterweight module 30 or the second counterweight module 40 is repaired or replaced, it will not be interfered by others, and it is beneficial to the maintenance or replacement operation. In addition, preferably, in this embodiment, the battery pack 20, the first weight module 30, and the second weight module 40 are detachably coupled to the base 10, and are provided with Ease of assembly and maintenance.

The above descriptions are only the preferred and feasible embodiments of the present invention, and any equivalent changes made by applying the description of the present invention and the scope of patent application should be included in the patent scope of the present invention.

Claims (9)

A battery pack includes: a base having a battery placement block, a first counterweight block, and a second counterweight block; a battery pack disposed in the battery placement block; a first distribution The weight module includes at least a first weight block, a plurality of first connecting rods, a plurality of first positioning members, and a first positioning plate. The at least one weight block is disposed on the first weight block; One end of the first connecting rod is coupled to the base; the first positioning plate is disposed on the at least one first weight; the first positioning members are respectively connected to the first connecting rods and abut against the first connecting rods. A first positioning plate so that the first positioning plate presses against the at least one first weight block; and a second weight module including at least one second weight block, a plurality of second connecting rods, a plurality of first Two positioning members and a second positioning plate, the at least one second weight block is disposed on the second weight block; one end of the second connecting rods is coupled to the base; the second positioning plate is disposed on The at least one second weight block; the second positioning members are respectively connected to the second connecting rods, and Positioned against the second plate, so that the second pressure plate is positioned against the at least one second counterweight. The battery pack according to claim 1, wherein the battery placement block is located between the first weight block and the second weight block. The battery pack according to claim 1, wherein the first connecting rods have a first threaded section, and each of the first positioning members is screwed to the first threaded section; the second connecting rods have a first Each of the two threaded sections is screwed to the second threaded section. The battery pack according to claim 1, wherein a protrusion is formed on one side of the at least one first weight, and the first connecting rods are respectively located on two sides of the protrusion. The battery pack according to claim 1, wherein a protrusion is formed on one side of the at least one second weight, and the second connecting rods are respectively located on two sides of the protrusion. The battery pack according to claim 1, wherein a weight of the at least one first weight block is different from a weight of the at least one second weight block. The battery pack according to claim 1, wherein the number of the at least one first weight block is plural, and the first weight blocks are stacked on each other. The battery pack according to claim 1, wherein the number of the at least one second weight block is plural, and the second weight blocks are stacked on each other. An electric stack high carrier includes: a body having a battery device space; and a battery pack according to any one of claims 1 to 8 disposed in the battery device space.