Shell of battery pack for forklift

Abstract

The utility model provides a shell of a battery pack for a forklift, which comprises a box body used for accommodating a battery module, and an opening is formed at the top of the box body; the first mounting plate is arranged around the top of the inner wall of the box body; the two second mounting plates are respectively arranged at the middle parts of two opposite inner walls of the box body, so that the box body is divided into an upper-layer space and a lower-layer space, the battery module comprises an upper-layer module and a lower-layer module which are arranged up and down, and the upper-layer space and the lower-layer space can respectively accommodate the upper-layer module and the lower-layer module; the box cover is detachably connected with the first mounting plate so as to seal the opening of the box body; and the counterweight assembly is arranged at the bottom of the box body, and the weight of the counterweight assembly can be adjusted. The shell of the battery pack for the forklift is high in universality, can be simply and conveniently matched with various types of vehicles, and is low in cost.

Description

Technical Field

[0001] The utility model relates to the field of new energy batteries, and more specifically, to a shell of a battery pack for a forklift. Background Art

[0002] The battery pack of an existing forklift includes a shell and a battery module. The shell and the battery module are usually fixedly connected. If there is a problem with the battery module, the entire battery module needs to be replaced. Different models require the replacement of both the shell and the battery module, which has poor versatility. The battery module is usually integrated. If it is partially damaged, the battery module needs to be replaced as a whole, resulting in low yield and waste of cost.

[0003] Moreover, it is necessary to design the weight according to different models and change the battery module and shell of the battery pack. Changing the battery module and shell according to different models is very costly and takes a lot of time and manpower. Utility Model Content

[0004] The utility model provides a new technical solution for the shell of a battery pack for a forklift, which can at least solve the problems of poor versatility in the prior art and how to easily adapt to various vehicle models.

[0005] According to the utility model, a shell of a battery pack for a forklift is provided, and the shell of the battery pack for a forklift includes:

[0006] A box body, the box body is used to accommodate the battery module, and the top of the box body is formed with an opening;

[0007] A first mounting plate, the first mounting plate being arranged around the top of the inner wall of the box;

[0008] Two second mounting plates, the two second mounting plates are respectively arranged at the middle of two opposite inner walls of the box body, so that the box body is divided into an upper space and a lower space, the battery module includes an upper module and a lower module arranged up and down, and the upper space and the lower space can accommodate the upper module and the lower module respectively;

[0009] A box cover, the box cover is detachably connected to the first mounting plate to close the opening of the box body;

[0010] A counterweight assembly is arranged at the bottom of the box body, and the weight of the counterweight assembly is adjustable.

[0011] Furthermore, the counterweight assembly comprises:

[0012] A counterweight shell, wherein a cavity is formed inside the counterweight shell, and the counterweight assembly is connected to the bottom of the box body through the counterweight shell;

[0013] A weight material is filled into the cavity.

[0014] Furthermore, the box cover is hollowed out, and the shell further comprises:

[0015] A transparent plate is connected to the box cover and closes the hollow portion.

[0016] Furthermore, the housing further comprises:

[0017] An explosion-proof valve is arranged on the box cover.

[0018] Furthermore, the box includes:

[0019] Base plate;

[0020] A plurality of side panels are provided along the edge of the bottom plate and are located above the bottom plate, the tops of at least two of the side panels which are arranged opposite to each other protrude from the box cover and have penetrating hanging holes formed on their surfaces, and guide holes are formed in the side panels which protrude from the box cover and are adjacent to the box cover.

[0021] Furthermore, the first mounting plate is formed as a rectangular frame.

[0022] Furthermore, the first mounting plate is formed with a plurality of first mounting holes which are spaced apart and pass through the upper and lower surfaces thereof, the box cover is formed with second mounting holes which correspond one to one with the first mounting holes, the outer shell also includes a first fastener, and the box cover is inserted into the first mounting hole and the second mounting hole through the first fastener so as to be connected to the first mounting plate.

[0023] Furthermore, the first fastener comprises:

[0024] a fastening nut, the fastening nut being inserted into the first mounting hole to be fixedly connected with the first mounting hole, the fastening nut comprising an insertion portion and a protrusion connected to the top of the insertion portion, the fastening nut being inserted into the first mounting hole through the insertion portion, and the protrusion protruding upward from the first mounting plate;

[0025] A fastening bolt passes through the second mounting hole of the box cover and is threadedly connected with the fastening nut.

[0026] Furthermore, the first fastener further comprises:

[0027] A first sealing ring surrounds the outer edge of the raised portion of the fastening nut and is located between the box cover and the first mounting plate. The height of the first sealing ring is higher than the height of the raised portion of the fastening nut.

[0028] Furthermore, an outer protrusion protruding outward is formed on the circumference of the insertion portion of the fastening nut, and a groove capable of wrapping the outer protrusion is formed on the first mounting plate, and the outer protrusion is an elastic component.

[0029] According to the shell of the battery pack for forklift of the utility model, the box body accommodates the battery module, and the box body is detachably connected to the box cover through the first mounting plate, so as to facilitate the removal and placement of the battery module. The battery module and the shell are split structures, and different types of forklifts only need to change the shell, and the module does not need to be changed, thereby improving the versatility of the shell. Moreover, if there is a problem with the battery module or the shell, only the battery module or the shell needs to be replaced, which facilitates the maintenance of the battery pack and reduces the use cost, maintenance cost and production cost of the battery pack. The second mounting plate arranged in the middle of the two opposite inner walls of the box body can divide the box body into an upper space and a lower space to respectively accommodate the upper module and the lower module, thereby improving the yield of the battery pack and reducing the maintenance cost of the battery pack.

[0030] The counterweight assembly is connected to the bottom of the box body, and can be adjusted to suit different vehicle models. Compared with the usual adjustment of the weight of the battery module, this adjustment range is smaller, making the shell more universal and practical, and facilitating product maintenance and reducing costs. The battery module does not need to be changed according to different vehicle models. The battery module can be designed only according to its own energy density, ensuring that the battery module has a smaller volume.

[0031] Other features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the present invention and, together with the description, serve to explain the principles of the present invention.

[0033] Figure 1 is a structural diagram of a battery pack according to a first embodiment of the present invention;

[0034] Figure 2 is a structural diagram of a battery pack according to a second embodiment of the present invention without a front side plate;

[0035] Figure 3 is a partial exploded view of a battery pack according to an embodiment of the present invention;

[0036] Figure 4 is a structural diagram of a box according to an embodiment of the present invention;

[0037] Figure 5 It is a structural diagram of a first fastener and a second mounting plate according to an embodiment of the utility model.

[0038] Reference numerals:

[0039] 10. Shell; 11. Box cover; 12. Box body; 121. Side panel; 1211. Lifting hole; 1212. Diversion hole; 122. Bottom plate; 13. First fastener; 131. Fastening bolt; 1321. Insertion portion; 13211. External protrusion; 1322. Raised portion; 133. First sealing ring; 1341. Elastic gasket; 1342. Second sealing ring; 14. First mounting plate; 141. First mounting hole; 15. Second mounting plate; 151. Third mounting hole; 16. Second fastener; 171. Transparent plate; 172. Explosion-proof valve; 18. Counterweight assembly.

[0040] 20. Battery module; 21. Upper module; 22. Lower module. DETAILED DESCRIPTION

[0041] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention.

[0042] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present invention, its application, or uses.

[0043] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.

[0044] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0045] It should be noted that like reference numerals and letters refer to similar items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0046] The housing 10 of the forklift battery pack according to the embodiment of the utility model is described in detail below with reference to the accompanying drawings.

[0047] like Figures 1 to 5 As shown, the housing 10 of the forklift battery pack according to the embodiment of the present invention includes a box body 12 , a first mounting plate 14 , two second mounting plates 15 , a box cover 11 and a counterweight assembly 18 .

[0048] First, the box body 12 and the first mounting plate 14 are described. The box body 12 is used to accommodate the battery module 20, and an opening is formed at the top of the box body 12. The first mounting plate 14 is disposed around the top of the inner wall of the box body 12.

[0049] like Figures 1 to 5 As shown, the top of the box body 12 is open, and the battery module 20 is accommodated in the box body 12. A first mounting plate 14 is provided on the top of the box body 12 to be connected with the box cover 11.

[0050] Next, the two second mounting plates 15 are described. The two second mounting plates 15 are respectively arranged at the middle of two opposite inner walls of the box body 12, so that the box body 12 is divided into an upper space and a lower space. The battery module 20 includes an upper module 21 and a lower module 22 arranged up and down, and the upper space and the lower space can accommodate the upper module 21 and the lower module 22 respectively.

[0051] The second mounting plate 15 divides the box 12 into an upper space and a lower space, thereby accommodating the upper module 21 and the lower module 22 respectively. In this way, the battery module 20 can be easily installed, the yield of the battery pack can be improved, and the maintenance cost of the battery pack can be reduced. If a problem occurs in the upper module 21, it will not affect the lower module 22, and the corresponding upper module 21 can be replaced. If a problem occurs in the lower module 22, it will not affect the upper module 21, and the corresponding lower module 22 can be replaced.

[0052] Next, the box cover 11 is described. The box cover 11 is detachably connected to the first mounting plate 14 to close the opening of the box body 12.

[0053] The box cover 11 can be detachably connected to the first mounting plate 14 by means of snap-fitting, fastener connection, magnetic attraction, etc. When the battery module 20 needs to be placed, the box cover 11 can be opened and the battery module 20 can be placed in the box body 12.

[0054] The battery module 20 and the housing 10 are separate structures. Different types of forklifts only need to change the housing 10, and the module does not need to be changed, which improves the versatility of the housing 10. Moreover, if there is a problem with the battery module 20 or the housing 10, only the battery module 20 or the housing 10 needs to be replaced, which facilitates the maintenance of the battery pack and reduces the use cost, maintenance cost and production cost of the battery pack.

[0055] Finally, the weight assembly 18 is described. The weight assembly 18 is disposed at the bottom of the housing 12, and the weight of the weight assembly 18 is adjustable.

[0056] The weight of the counterweight assembly 18 may be adjusted by adjusting the material and / or the quantity of the counterweight assembly 18 .

[0057] In the process of adapting to different vehicle models, the weight of the counterweight assembly 18 can be adjusted to meet the weight requirements of the battery pack required by different vehicle models. Compared with the usual adjustment of the weight of the battery module 20 for adaptation, this adjustment range is smaller, making the housing 10 universal and practical, and facilitating product maintenance and reducing costs. The battery module 20 does not need to be changed according to different vehicle models. The battery module 20 only needs to be designed according to its own energy density, ensuring that the battery module 20 has a smaller volume.

[0058] The above forklift battery pack has a shell 10, a box body 12 that accommodates a battery module 20, and the box body 12 is detachably connected to the box cover 11 through a first mounting plate 14, which is convenient for taking and placing the battery module 20. The battery module 20 and the shell 10 are split structures. Different types of forklifts only need to change the shell 10, and the module does not need to be changed, which improves the versatility of the shell 10. Moreover, if there is a problem with the battery module 20 or the shell 10, only the battery module 20 or the shell 10 needs to be replaced, which is convenient for the maintenance of the battery pack and reduces the use cost, maintenance cost and production cost of the battery pack. The second mounting plate 15 arranged in the middle of the two opposite inner walls of the box body 12 can divide the box body 12 into an upper space and a lower space to accommodate the upper module 21 and the lower module 22 respectively, which can improve the yield of the battery pack and reduce the maintenance cost of the battery pack.

[0059] The counterweight assembly 18 is connected to the bottom of the box 12, and is adapted to different vehicle models, and can be adjusted in weight. Compared with the usual adjustment of the weight of the battery module 20, this adjustment range is smaller, making the housing 10 more versatile and practical, and facilitating product maintenance and reducing costs. The battery module 20 does not need to be changed according to different vehicle models. The battery module 20 can be designed only according to its own energy density, ensuring that the battery module 20 has a smaller volume.

[0060] In some embodiments of the present invention, the weight assembly 18 includes a weight shell and a weight material. A cavity is formed inside the weight shell, and the weight assembly 18 is connected to the bottom of the box body 12 through the weight shell. The weight material is filled into the cavity. The weight material can be a metal block, a sand bag, a plastic bag / block, etc.

[0061] The counterweight shell can be stably connected to the box body 12. The weight can be adjusted by the counterweight material to meet the weight requirements of different models.

[0062] Furthermore, the weight material is a flame retardant material, wherein the flame retardant material may be a metal material (metal block / sheet), a sandbag, a thermosetting resin impregnated paper high pressure laminated block, and the like.

[0063] In other words, the weight material can have a flame retardant function. Even if the battery pack catches fire, the weight material of the flame retardant material piece can prevent the fire from spreading, reduce the fire, and increase safety.

[0064] Optionally, the counterweight shell and the box body 12 are integrally formed.

[0065] The counterweight shell and the box body 12 are integrally formed, which can ensure a stable connection between the counterweight shell and the box body 12, and is easy to process, convenient for batch production, and reduces costs.

[0066] In some embodiments of the present invention, a hollow is formed on the box cover 11, and the outer shell further includes a transparent plate 171, which is connected to the box cover 11 and closes the hollow.

[0067] like Figure 1 and Figure 2 As shown, the transparent plate 171 covers the hollow of the box cover 11 , and the condition of the battery module 20 in the box body 12 can be observed through the transparent plate 171 , which facilitates the maintenance of the battery module 20 .

[0068] Furthermore, the transparent plate 171 is detachably connected to the box cover 11. The transparent plate 171 can be a plastic plate, a glass plate, etc.

[0069] The transparent plate 171 can be connected to the box cover 11 by a fastener. When the transparent plate 171 is dirty or damaged, it needs to be replaced, and the transparent plate 171 can be disassembled and reassembled, which is convenient for replacement.

[0070] In some embodiments of the present invention, the housing 10 further includes an explosion-proof valve 172, which is disposed on the box cover 11. The explosion-proof valve 172 is a known technology and will not be described in detail herein.

[0071] like Figure 1 As shown, when the pressure in the box 12 exceeds a predetermined value, the explosion-proof valve 172 will open to release the pressure and avoid explosion, thereby better protecting the battery module 20 and extending the life of the battery module 20.

[0072] In some embodiments of the present invention, the box body 12 includes a bottom plate 122 and a plurality of side plates 121. The plurality of side plates 121 are arranged along the edge of the bottom plate 122 and are located above the bottom plate 122. The tops of at least two oppositely arranged side plates 121 protrude from the box cover 11 and have penetrating hanging holes 1211 formed on their surfaces.

[0073] like Figure 2 and Figure 4 As shown, the housing 10 can be easily lifted through the lifting hole 1211, which facilitates the movement of the housing 10 and the battery pack.

[0074] Furthermore, a guide hole 1212 is formed in the side plate 121 protruding from the box cover 11 and adjacent to the box cover 11 .

[0075] like Figure 2 and Figure 4 As shown, a guide hole 1212 is provided in the side plate 121 near the box cover 11. Rainwater, oil and other liquids in the box cover 11 can flow out from the guide hole 1212 to prevent the liquid from flowing from the box cover 11 into the box body 12 and causing failure of the battery module 20.

[0076] In some embodiments of the present invention, the first mounting plate 14 is formed as a rectangular frame.

[0077] like Figure 4 As shown, the rectangular frame can increase the contact area between the first mounting plate 14 and the box cover 11, so that the connection between the box cover 11 and the box body 12 is more stable.

[0078] Furthermore, the first mounting plate 14 is formed with a plurality of first mounting holes 141 which are spaced apart and pass through the upper and lower surfaces thereof, and the box cover 11 is formed with second mounting holes which correspond one to one with the first mounting holes 141. The outer shell 10 also includes a first fastener 13, and the box cover 11 is inserted into the first mounting hole 141 and the second mounting hole through the first fastener 13 to be connected to the first mounting plate 14.

[0079] like Figure 1 and Figure 5 As shown, the first fastener 13 passes through the second mounting hole of the box cover 11 and the first mounting hole 141 of the first mounting plate 14, so that the box cover 11 is fastened to the box body 12. When the housing 10 needs to be opened or closed, the first fastener 13 can be disassembled or installed accordingly. The first mounting hole 141 and the second mounting hole can both be threaded holes, and the first fastener 13 can be a bolt, or the fastener can be an expansion screw, or can also be a structure described below.

[0080] Further, the first fastener 13 includes a fastening nut and a fastening bolt 131. The fastening nut is inserted into the first mounting hole 141 to be fixedly connected with the first mounting hole 141, and the fastening nut includes an insertion portion 1321 and a protrusion 1322 connected to the top of the insertion portion 1321. The fastening nut is inserted into the first mounting hole 141 through the insertion portion 1321, and the protrusion 1322 protrudes upward from the first mounting plate 14. The fastening bolt 131 passes through the second mounting hole of the box cover 11 and is threadedly connected with the fastening nut.

[0081] like Figure 5As shown, the second mounting plate 15 is fixedly connected by the fastening nut of the first fastener 13, and the fastening bolt 131 of the first fastener 13 passes through the first mounting hole 141 of the box cover 11 to the fastening nut, and the fastening bolt 131 is threadedly connected with the fastening nut, so that the box cover 11 is tightly connected to the box body 12.

[0082] By connecting the fastening nut fixedly connected to the first mounting plate 14 and the fastening bolt 131, compared with the fastening bolt 131 being directly threadedly connected to the first mounting hole 141 and the second mounting hole, the wear on the first mounting hole 141 and the second mounting hole can be reduced, and the height of the fastening bolt 131 can be higher, thereby increasing the contact area between the fastening bolt 131 and the fastening nut, increasing the stability of the connection, and improving the sealing.

[0083] Furthermore, the first fastener 13 further includes a first sealing ring 133. The first sealing ring 133 surrounds the outer edge of the protrusion 1322 of the fastening nut and is located between the box cover 11 and the first mounting plate 14. The height of the first sealing ring 133 is higher than the height of the protrusion 1322 of the fastening nut.

[0084] like Figure 5 As shown, the first sealing ring 133 seals the gap between the box cover 11 and the first mounting plate 14 near the first mounting hole 141, thereby improving the sealing performance, preventing external liquid and pollutants from entering the box body 12 through the first mounting hole 141, and improving the tightness of the connection between the first mounting plate 14 and the box cover 11. The height of the sealing ring 133 is higher than the height of the protrusion 1322, and is compressed to the same height as the protrusion 1322, thereby ensuring the sealing performance and preventing the sealing ring 133 from being excessively compressed and broken.

[0085] Furthermore, the fastening bolt 131 includes a screw and a head, and the first fastener 13 also includes an elastic washer 1341 and a second sealing ring 1342. The elastic washer 1341 and the second sealing ring 1342 are stacked up and down, and both surround the screw of the fastening bolt 131 and are located between the head of the fastening bolt 131 and the box cover 11.

[0086] like Figure 5 As shown, the gap between the head of the fastening bolt 131 of the second mounting hole and the box cover 11 is sealed by the elastic gasket 1341 and the second sealing ring 1342, thereby increasing the sealing performance, preventing external liquid and pollutants from entering the box body 12 through the second mounting hole, and increasing the tightness of the connection between the first mounting plate 14 and the box cover 11.

[0087] In some embodiments of the present invention, an outer protrusion 13211 protruding outward is formed around the insertion portion 1321 of the fastening nut, and a groove capable of wrapping the outer protrusion 13211 is formed on the first mounting plate 14, and the outer protrusion 13211 is an elastic component.

[0088] like Figure 5 As shown, the insertion portion 1321 of the fastening nut is inserted into the first mounting hole 141, and the outer protrusion of the elastic member of the fastener is clamped into the circumferential groove of the first mounting hole 141 in the first mounting plate 14, so as to achieve a fixed connection between the fastening nut and the first mounting plate 14.

[0089] The elastic outer protrusion contacts the groove, which can increase the contact area and further improve the sealing performance, thereby preventing external liquid and pollutants from entering the box body 12 through the first installation hole 141 and avoiding damage to the first installation hole 141 .

[0090] In some embodiments of the present invention, the second mounting plate 15 is formed as an L-shaped plate, and the second mounting plate 15 includes a vertical plate and a horizontal plate. The second mounting plate 15 is connected to the box body 12 through the vertical plate. The horizontal plate is vertically connected to the vertical plate and extends toward the middle of the box body 12, and the second mounting plate 15 is connected to the upper module 21 through the horizontal plate.

[0091] like Figure 4 As shown, the vertical plate and the horizontal plate form an L-shaped plate, the vertical plate is connected to the inner wall of the box body 12, and the horizontal plate is connected to the upper module 21 to support the upper module 21.

[0092] Furthermore, the transverse plate is formed with spaced third mounting holes 151, and the housing 10 further includes a second fastener 16, through which the upper module 21 is connected to the third mounting hole 151 of the second mounting plate 15. The second fastener 16 may be a bolt, an expansion screw, or the like.

[0093] The second fastener 16 can easily and firmly connect the upper module 21 and the second mounting plate 15 .

[0094] Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present invention. It should be understood by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.

Claims

1. A housing (10) of a battery pack for a forklift, characterized in that: The housing (10) comprises: A box (12), the box (12) is used to accommodate the battery module (20), and an opening is formed at the top of the box (12); A first mounting plate (14), the first mounting plate (14) being arranged around the top of the inner wall of the box body (12); two second mounting plates (15), the two second mounting plates (15) being respectively arranged at the middle of two opposite inner walls of the box body (12), so that the box body (12) is divided into an upper space and a lower space, the battery module (20) comprising an upper module (21) and a lower module (22) arranged up and down, the upper space and the lower space being able to accommodate the upper module (21) and the lower module (22) respectively; A box cover (11), the box cover (11) being detachably connected to the first mounting plate (14) so ​​as to close the opening of the box body (12); A counterweight assembly (18), wherein the counterweight assembly (18) is arranged at the bottom of the box body (12), and the weight of the counterweight assembly (18) is adjustable.

2. The housing (10) of the forklift battery pack according to claim 1, characterized in that: The counterweight assembly (18) comprises: A counterweight shell, wherein a cavity is formed inside the counterweight shell, and the counterweight assembly (18) is connected to the bottom of the box body (12) through the counterweight shell; A weight material is filled into the cavity.

3. The housing (10) of the forklift battery pack according to claim 1, characterized in that: The box cover (11) is hollowed out, and the housing (10) further comprises: A transparent plate (171), wherein the transparent plate (171) is connected to the box cover (11) and closes the hollow portion.

4. The housing (10) of the forklift battery pack according to claim 1, characterized in that: The housing (10) further comprises: An explosion-proof valve (172), wherein the explosion-proof valve (172) is arranged on the box cover (11).

5. The housing (10) of the forklift battery pack according to claim 1, characterized in that: The housing (12) comprises: Bottom plate (122); A plurality of side panels (121), wherein the plurality of side panels (121) are arranged along the edge of the bottom panel (122) and are located above the bottom panel (122); the tops of at least two of the side panels (121) arranged opposite to each other protrude from the box cover (11) and are provided with penetrating hanging holes (1211) on their surfaces; and a guide hole (1212) is formed in the side panels (121) protruding from the box cover (11) at a position adjacent to the box cover (11).

6. The housing (10) of the forklift battery pack according to claim 1, characterized in that: The first mounting plate (14) is formed as a rectangular frame.

7. The housing (10) of the forklift battery pack according to claim 6, characterized in that: The first mounting plate (14) is formed with a plurality of first mounting holes (141) which are spaced apart and penetrate the upper and lower surfaces thereof, the box cover (11) is formed with second mounting holes (151) which correspond one to one with the first mounting holes (141), and the housing (10) further comprises a first fastener (13), and the box cover (11) is inserted into the first mounting hole (141) and the second mounting hole through the first fastener (13) so as to be connected to the first mounting plate (14).

8. The housing (10) of the forklift battery pack according to claim 7, characterized in that: The first fastener (13) comprises: a fastening nut, the fastening nut being inserted into the first mounting hole (141) to be fixedly connected to the first mounting hole (141), the fastening nut comprising an insertion portion (1321) and a protrusion portion (1322) connected to the top of the insertion portion (1321), the fastening nut being inserted into the first mounting hole (141) through the insertion portion (1321), and the protrusion portion (1322) protruding upward from the first mounting plate (14); A fastening bolt (131), wherein the fastening bolt (131) passes through the second mounting hole of the box cover (11) and is threadedly connected to the fastening nut.

9. The housing (10) of the forklift battery pack according to claim 8, characterized in that: The first fastener (13) further comprises: A first sealing ring (133), the first sealing ring (133) surrounds the outer edge of the raised portion (1322) of the fastening nut and is located between the box cover (11) and the first mounting plate (14), and the height of the first sealing ring (133) is higher than the height of the raised portion (1322) of the fastening nut.

10. The housing (10) of the forklift battery pack according to claim 8, characterized in that: An outwardly protruding outer block (13211) is formed in the circumference of the insertion portion (1321) of the fastening nut, and a groove capable of wrapping the outer block (13211) is formed on the first mounting plate (14), and the outer block (13211) is an elastic component.

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