阅读说明：本技术 一种锂电池组 (Lithium battery pack ) 是由 李小军 于 2021-02-01 设计创作，主要内容包括：本发明涉及锂电池领域,具体的说是一种锂电池组,包括安装框、前夹板、侧夹板、第一固定机构、联动机构、第二固定机构、第三固定机构、散热机构、密封盖、电池芯和隔板,所述安装框内开设有一个安装腔,所述安装腔内卡接有两个前夹板和两个侧夹板,两个前夹板和两个侧夹板均平行设置且分别与安装腔侧壁相接触,所述密封盖卡接在前夹板和侧夹板上端,所述电池芯均卡接在前夹板和侧夹板之间。通过联动机构的螺纹杆转动,可以使固定插杆远离升降板一端插进第一固定机构的卡槽内,从而可以将前夹板和侧夹板进行固定,将电池芯固定在侧夹板和前夹板之间,有效的避免使用多个螺钉固定的麻烦操作,方便多个锂电池的组装,提高锂电池组的组装效率。(The invention relates to the field of lithium batteries, in particular to a lithium battery pack which comprises an installation frame, a front clamp plate, side clamp plates, a first fixing mechanism, a linkage mechanism, a second fixing mechanism, a third fixing mechanism, a heat dissipation mechanism, a sealing cover, a battery core and a partition plate, wherein an installation cavity is formed in the installation frame, two front clamp plates and two side clamp plates are clamped in the installation cavity, the two front clamp plates and the two side clamp plates are arranged in parallel and are respectively contacted with the side wall of the installation cavity, the sealing cover is clamped at the upper ends of the front clamp plates and the side clamp plates, and the battery core is clamped between the front clamp plates and the side clamp plates. The threaded rod through the linkage mechanism rotates, so that the fixed inserting rod can be far away from one end of the lifting plate and is inserted into the clamping groove of the first fixing mechanism, the front clamping plate and the side clamping plate can be fixed, the battery core is fixed between the side clamping plate and the front clamping plate, the troublesome operation of fixing a plurality of screws is effectively avoided, the assembly of a plurality of lithium batteries is facilitated, and the assembly efficiency of the lithium battery pack is improved.)

1. A lithium battery pack comprises a mounting frame (1), front clamping plates (3), side clamping plates (4), a first fixing mechanism (5), a linkage mechanism (6), a second fixing mechanism (7), a third fixing mechanism (8), a heat dissipation mechanism (9), a sealing cover (10), battery cores (11) and partition plates (12), and is characterized in that a mounting cavity (2) is formed in the mounting frame (1), the mounting cavity (2) is internally clamped with the two front clamping plates (3) and the two side clamping plates (4), the two front clamping plates (3) and the two side clamping plates (4) are arranged in parallel and are respectively contacted with the side walls of the mounting cavity (2), the sealing cover (10) is clamped at the upper ends of the front clamping plates (3) and the side clamping plates (4), the battery cores (11) are respectively clamped between the front clamping plates (3) and the side clamping plates (4), one partition plate (12) is fixedly connected between every two adjacent battery cores (11), two preceding splint (3) and side splint (4) junction upper end all is provided with a first fixed establishment (5), two just be located side splint (4) top in side splint (4) and be provided with a link gear (6), sealed lid (10) upper end and all be provided with a second fixed establishment (7) with link gear (6) corresponding position, third fixed establishment (8) set up in side splint (4) and are located side splint (4) below, heat dissipation mechanism (9) set up in installation cavity (2) bottom.

2. A lithium battery according to claim 1, characterized in that: the linkage mechanism (6) comprises fixed slots (61), the fixed slots (61) are all arranged in the side clamping plates (4) and are located above the side clamping plates (4), both sides of the fixed slots (61) are all connected with a fixed inserted bar (62) in a sliding manner, the fixed slots (61) are also connected with a lifting plate (63) in a sliding manner at the middle position of the fixed slots (61), the lifting plate (63) is close to one side of the fixed inserted bar (62) and is all fixedly connected with a connecting rotating shaft (65), the fixed inserted bar (62) is close to one end and is all fixedly connected with a mounting seat (64), a connecting rotating rod (66) is rotationally connected between the mounting seat (64) and the corresponding connecting rotating shaft (65), the upper end of the lifting plate (63) is fixedly connected with a threaded rod (68), and a fixed bearing (67) is fixedly connected at the joint of the threaded rod (68) and the lifting plate (63), threaded rod (68) upper end all passes fixed slot (61) and equal fixedly connected with changes handle (610), on sealed lid (10) and all seted up a perforation (69) with threaded rod (68) corresponding position.

3. A lithium battery according to claim 1, characterized in that: first fixed establishment (5) include first spout (51), first spout (51) all set up with in preceding splint (3) and the position corresponding with fixed slot (61) of link gear (6), equal sliding connection has a fixture block (52) in first spout (51), equal fixedly connected with a first spring (53) between fixture block (52) and first spout (51) lateral wall, on fixture block (52) and with the corresponding position of fixed inserted bar (62) of link gear (6) all seted up a draw-in groove (54).

4. A lithium battery according to claim 1, characterized in that: the second fixing mechanism (7) comprises a connecting groove (71) and a limiting block (75), the connecting grooves (71) are uniformly arranged on the outer side of the rotating handle (610) of the linkage mechanism (6), a connecting rod (72) is connected in the connecting groove (71) in a sliding way, a second spring (74) is fixedly connected between the connecting rod (72) and the side wall of the connecting groove (71), one end of the connecting rod (72) far away from the second spring (74) penetrates through the connecting groove (71) and is fixedly connected with a telescopic plate (73), the limiting blocks (75) are fixedly connected with the upper end of the sealing cover (10) and correspond to the through holes (69) of the linkage mechanism (6), the outer side of the limiting block (75) corresponds to the inner side wall of the telescopic plate (73), both sides of the sealing cover (10) are fixedly connected with a fixed side plate (76), one side of the fixed side plate (76) close to the side plate is contacted with the side wall of the front clamping plate (3).

5. A lithium battery according to claim 1, characterized in that: the third fixing mechanism (8) comprises a connecting sliding groove (81) and a second sliding groove (84), the second sliding chutes (84) are all arranged in the side clamping plates (4) and are all positioned below the side clamping plates (4), the connecting sliding grooves (81) are all arranged in the side clamping plate (4) and are positioned between the second sliding grooves (84) and the fixed inserting grooves (61) of the linkage mechanism (6), a linkage rod (82) is connected in the connecting sliding grooves (81) in a sliding way, two sides of the linkage rod (82) are fixedly connected with a sliding gear plate (83), a connecting inserted bar (85) is connected in the second sliding groove (84) in a sliding way and positioned at both sides of the second sliding groove (84), a connecting hole (810) is arranged on the front splint (3) and at the position corresponding to the connecting inserted link (85), the side wall of the installation cavity (2) and the corresponding position of the connecting inserted bar (85) are provided with a fixing hole (811).

6. A lithium battery according to claim 5, characterized in that: a fixed rotating shaft (86) is rotatably connected in the second sliding chute (84) and positioned at both sides of the connecting sliding chute (81), a driving gear (87) is fixedly connected on the fixed rotating shaft (86) and positioned in the middle of the fixed rotating shaft (86), the driving gear (87) is meshed with the corresponding sliding gear plate (83), a driven gear (88) is fixedly connected on the fixed rotating shaft (86) and positioned at both sides of the fixed rotating shaft (86), the upper side wall and the lower side wall of the second chute (84) and the position corresponding to the driven gear (88) are both connected with a linkage gear plate (89) in a sliding way, the linkage gear plate (89) is meshed with the corresponding driven gear (88), one end of the linkage gear plate (89), which is far away from the driven gear (88), is fixedly connected to the corresponding connecting inserted rod (85).

7. A lithium battery according to claim 1, characterized in that: heat dissipation mechanism (9) include louvre (91) and spacing post (95), mounting chamber (2) lower extreme is all seted up in louvre (91), radiator fan (92) of equal fixedly connected with in louvre (91), dust guard (93) of the equal fixedly connected with of louvre (91) lower extreme, a pair of heat-conducting plate (94) of battery core (11) and baffle (12) lower extreme fixedly connected with.

8. A lithium battery according to claim 7, characterized in that: spacing post (95) fixed connection is in installation cavity (2) lower extreme four corners respectively, installation cavity (2) lower extreme just is located buffer spring (96) of the equal fixedly connected with in spacing post (95) outside, buffer spring (96) upper end all contacts with baffle (12) lower extreme.

Technical Field

The invention relates to the field of lithium batteries, in particular to a lithium battery pack.

Background

The lithium battery is a disposable battery which takes lithium metal or lithium alloy as a negative electrode material and uses non-aqueous electrolyte solution, is different from a rechargeable battery, a lithium ion battery and a lithium ion polymer battery, and is formed by mutually connecting a plurality of battery cores made of lithium batteries in series.

When utilizing the combination lithium cell group of battery core, can be with corresponding quantity's battery core reciprocal anchorage usually, and pass through a shell of fix with screw at outmost, it is comparatively troublesome to operate, packaging efficiency is lower, and both ends utilize the PVC cover to twine fixedly about the battery core usually, lead to the battery core leakproofness relatively poor, dust or water stain entering battery core often can appear, lead to the battery core to damage, and the battery core is at long-time working process, can produce a large amount of heats, when can not in time dispel the heat in the group battery is inside, can lead to the battery core to be in work under the high temperature state for a long time, finally can lead to the battery core to damage, the life of battery core has been shortened.

Disclosure of Invention

The invention provides a lithium battery pack aiming at the problems in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: a lithium battery pack comprises an installation frame, front clamping plates, side clamping plates, a first fixing mechanism, a linkage mechanism, a second fixing mechanism, a third fixing mechanism, a heat dissipation mechanism, a sealing cover, battery cores and a partition plate, wherein an installation cavity is formed in the installation frame, the installation cavity is internally clamped with the two front clamping plates and the two side clamping plates which are arranged in parallel and respectively contacted with the side wall of the installation cavity, the sealing cover is clamped at the upper ends of the front clamping plates and the side clamping plates, the battery cores are clamped between the front clamping plates and the side clamping plates, the partition plate is fixedly connected between every two adjacent battery cores, the upper end of the joint of the two front clamping plates and the side clamping plates is provided with the first fixing mechanism, the two side clamping plates are internally provided with the linkage mechanism above the side clamping plates, the upper end of the sealing cover and the position corresponding to the linkage mechanism are provided with the second fixing mechanism, the third fixing mechanism is arranged in the side clamping plate and located below the side clamping plate, and the heat dissipation mechanism is arranged at the bottom of the installation cavity.

Specifically, the linkage mechanisms comprise fixed slots which are all arranged in the side clamping plates and are positioned above the side clamping plates, both sides of the fixed slot are connected with a fixed inserted bar in a sliding way, a lifting plate is connected in the fixed slot in a sliding way and is positioned in the middle of the fixed slot, one side of the lifting plate close to the fixed inserted link is fixedly connected with a connecting rotating shaft, one end of the fixed inserted link close to the fixed inserted link is fixedly connected with a mounting seat, a connecting rotating rod is rotatably connected between the mounting seat and the corresponding connecting rotating shaft, a threaded rod is fixedly connected at the upper end of the lifting plate, the utility model discloses a threaded rod, including threaded rod, lifting plate, fixing slot, sealed lid and threaded rod, fixing bearing is connected with the equal fixedly connected with in threaded rod and lifting plate junction, the threaded rod upper end all passes fixed slot and a commentaries on classics handle of equal fixedly connected with, a perforation has all been seted up with the corresponding position of threaded rod on the sealed lid.

Specifically, first fixed establishment includes first spout, first spout all set up with in the front bezel and the position corresponding with link gear's fixed slot, all sliding connection has a fixture block in the first spout, all fixedly connected with a first spring between fixture block and the first spout lateral wall, on the fixture block and with link gear's fixed inserted bar corresponding position all set up a draw-in groove.

Specifically, second fixed establishment includes spread groove and stopper, the spread groove is evenly seted up in link gear's commentaries on classics outside, equal sliding connection has a connecting rod in the spread groove, equal second spring of fixedly connected with between connecting rod and the spread groove lateral wall, the second spring one end is all passed to the far away of connecting rod and the expansion plate of equal fixedly connected with, the equal fixed connection of stopper is corresponding in sealed lid upper end and position and link gear's perforation, the stopper outside is corresponding with the expansion plate inside wall, the equal fixed sideboard of fixedly connected with in sealed lid both sides, the fixed sideboard is close to one side and contacts with the front plate lateral wall.

The third fixing mechanism comprises a connecting chute and a second chute, the second chute is arranged in the side clamping plate and located below the side clamping plate, the connecting chute is arranged in the side clamping plate and located between the second chute and a fixing slot of the linkage mechanism, a linkage rod is connected in the connecting chute in a sliding mode, a sliding gear plate is fixedly connected to two sides of the linkage rod in a sliding mode, a connecting inserted bar is connected in the second chute in a sliding mode and located on two sides of the second chute in a sliding mode, a connecting hole is formed in the front clamping plate and corresponds to the connecting inserted bar in a corresponding position, and a fixing hole is formed in the side wall of the installation cavity and corresponds to the connecting inserted bar in a corresponding position.

The sliding mechanism comprises a first sliding chute, a second sliding chute, a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a fifth connecting rod, a sixth connecting rod, a fifth connecting rod, a sixth.

Specifically, heat dissipation mechanism includes louvre and spacing post, the mounting cavity lower extreme is all seted up to the louvre, cooling fan of equal fixedly connected with in the louvre, dust guard of the equal fixedly connected with of louvre lower extreme, a pair of heat-conducting plate of battery core and baffle lower extreme fixedly connected with.

Specifically, spacing post is fixed connection in installation cavity lower extreme four corners respectively, the installation cavity lower extreme just is located a buffer spring of the equal fixedly connected with in the spacing post outside, the buffer spring upper end all contacts with the baffle lower extreme.

The invention has the beneficial effects that:

(1) according to the invention, through the rotation of the threaded rod of the linkage mechanism, one end of the fixed insertion rod, which is far away from the lifting plate, can be inserted into the clamping groove of the first fixing mechanism, so that the front clamping plate and the side clamping plate can be fixed, and the battery core is fixed between the side clamping plate and the front clamping plate, thereby effectively avoiding the troublesome operation of fixing by using a plurality of screws, facilitating the assembly of a plurality of lithium batteries and improving the assembly efficiency of the lithium battery pack.

(2) According to the invention, the threaded rod of the linkage mechanism rotates, so that the expansion plate of the second fixing mechanism can slide downwards to the upper end of the sealing cover, the limiting block is clamped to the inner side of the expansion plate, the sealing cover can be fixed to the upper ends of the front clamping plate and the side clamping plate, and the connecting insertion rod can be inserted into the fixing hole, so that the upper end and the lower end of the battery core are respectively sealed through the mounting frame and the sealing cover, and the safety of the battery core between the front clamping plate and the side clamping plate is effectively ensured.

(3) According to the invention, the heat generated when the battery core works is dissipated into the mounting cavity through the heat conducting plate of the heat dissipation mechanism, and the air flow speed in the mounting frame is increased through the heat dissipation fan, so that the heat can be effectively dissipated when the battery core works, the battery core can be ensured to work at a proper temperature, and the service life of the battery core is prolonged.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of a sectional structure of the present invention at a fixed slot in a top view;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a side view of a lateral splint according to the present invention, with a cut-away upper half;

FIG. 4 is a schematic view of a top-down cut-away structure of the rotating plate provided by the present invention;

FIG. 5 is a side view of a lower half-sectional structure of the side splint according to the present invention;

FIG. 6 is a sectional view of the side clamping plate at the second sliding chute in a top view;

fig. 7 is a schematic top view of the bottom of the installation cavity provided by the present invention.

In the figure: 1. installing a frame; 2. a mounting cavity; 3. a front splint; 4. a side clamping plate; 5. a first fixing mechanism; 51. a first chute; 52. a clamping block; 53. a first spring; 54. a card slot; 6. a linkage mechanism; 61. fixing the slot; 62. fixing the inserted rod; 63. a lifting plate; 64. a mounting seat; 65. connecting the rotating shaft; 66. connecting the rotating rod; 67. fixing the bearing; 68. a threaded rod; 69. perforating; 610. turning a handle; 7. a second fixing mechanism; 71. connecting grooves; 72. a connecting rod; 73. a retractable plate; 74. a second spring; 75. a limiting block; 76. fixing the side plate; 8. a third fixing mechanism; 81. connecting the sliding chute; 82. a linkage rod; 83. a sliding gear plate; 84. a second chute; 85. connecting the inserted link; 86. fixing the rotating shaft; 87. a driving gear; 88. a driven gear; 89. a linkage gear plate; 810. connecting holes; 811. a fixing hole; 9. a heat dissipation mechanism; 91. heat dissipation holes; 92. a heat radiation fan; 93. a dust-proof plate; 94. a heat conducting plate; 95. a limiting column; 96. a buffer spring; 10. a sealing cover; 11. a battery cell; 12. a separator.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-7, the lithium battery pack of the present invention includes a mounting frame 1, a front plate 3, side plates 4, a first fixing mechanism 5, a linkage mechanism 6, a second fixing mechanism 7, a third fixing mechanism 8, a heat dissipation mechanism 9, a sealing cover 10, battery cells 11 and a partition plate 12, wherein a mounting cavity 2 is formed in the mounting frame 1, two front plates 3 and two side plates 4 are clamped in the mounting cavity 2, the two front plates 3 and two side plates 4 are both arranged in parallel and are respectively contacted with a side wall of the mounting cavity 2, the sealing cover 10 is clamped at upper ends of the front plates 3 and the side plates 4, the battery cells 11 are clamped between the front plates 3 and the side plates 4, a partition plate 12 is fixedly connected between two adjacent battery cells 11, the first fixing mechanism 5 is arranged at an upper end of a joint between the two front plates 3 and the side plates 4, two just be located in the side splint 4 top and be provided with a link gear 6, sealed 10 upper ends of lid and all be provided with a second fixed establishment 7 with the corresponding position of link gear 6, third fixed establishment 8 sets up in the side splint 4 and is located the side splint 4 below, heat dissipation mechanism 9 sets up in installation cavity 2 bottom, opens cooling fan 92, makes the inside hot-air of installation cavity 2 discharge through louvre 91 fast to can make battery core 11 keep working under appropriate temperature, the effectual battery core 11 of having protected, thereby prolong battery core 11's life.

Specifically, the linkage mechanisms 6 all include a fixing slot 61, the fixing slot 61 is opened in the side plate 4 and located above the side plate 4, two sides of the fixing slot 61 are both slidably connected with a fixing inserted bar 62, the fixing slot 61 is internally and slidably connected with a lifting plate 63 at the middle position of the fixing slot 61, one side of the lifting plate 63 close to the fixing inserted bar 62 is both fixedly connected with a connecting rotating shaft 65, one end of the fixing inserted bar 62 close to the fixing inserted bar is both fixedly connected with a mounting seat 64, a connecting rotating bar 66 is rotatably connected between the mounting seat 64 and the corresponding connecting rotating shaft 65, the upper end of the lifting plate 63 is fixedly connected with a threaded rod 68, the joint of the threaded rod 68 and the lifting plate 63 is both fixedly connected with a fixing bearing 67, the upper end of the threaded rod 68 both passes through the fixing slot 61 and is both fixedly connected with a rotating handle 610, a perforation 69 is arranged on the sealing cover 10 and corresponds to the threaded rod 68, the rotating handle 610 is rotated, the rotating handle 610 drives the threaded rod 68 to rotate, the lower end of the threaded rod 68 drives the lifting plate 63 to move downwards, the connecting rotating rod 66 can be pushed to rotate, one end of the connecting rotating rod 66 far away from the lifting plate 63 pushes the fixed inserting rod 62 to be located in the fixed slot 61 and slide towards one side far away from the fixed slot 61, and finally one end of the fixed inserting rod 62 far away from the fixed inserting rod is inserted into the corresponding clamping groove 54.

Specifically, the first fixing mechanism 5 includes first sliding grooves 51, the first sliding grooves 51 are all opened and correspond to the inner portion of the front splint 3 and the position of the first sliding groove 51 corresponds to the fixing slot 61 of the linkage mechanism 6, a clamping block 52 is slidably connected to the inner portion of the first sliding groove 51, a first spring 53 is fixedly connected between the clamping block 52 and the side wall of the first sliding groove 51, a clamping groove 54 is opened on the clamping block 52 and corresponds to the fixing insertion rod 62 of the linkage mechanism 6, the second fixing mechanism 7 includes a connecting groove 71 and a limiting block 75, the connecting groove 71 is uniformly opened and is disposed at the outer side of the rotating handle 610 of the linkage mechanism 6, a connecting rod 72 is slidably connected to the inner portion of the connecting groove 71, a second spring 74 is fixedly connected between the connecting rod 72 and the side wall of the connecting groove 71, one end of the connecting rod 72 far away from the second spring 74 passes through the connecting groove 71 and is fixedly connected with, the equal fixed connection of stopper 75 is corresponding at sealed 10 upper ends and the perforation 69 of position and link gear 6, the stopper 75 outside is corresponding with expansion plate 73 inside wall, sealed 10 equal fixedly connected with in both sides limit board 76 of sealed, fixed limit board 76 is close to one side mutually and contacts with 3 lateral walls of preceding splint, extrudes expansion plate 73, makes expansion plate 73 promote connecting rod 72 and slides to spread groove 71 to make connecting rod 72 compress second spring 74, finally make expansion plate 73 inside wall and change the 610 lateral wall and contact, will change again and pass perforation 69 to 610.

Specifically, the third fixing mechanism 8 includes a connecting sliding groove 81 and a second sliding groove 84, the second sliding grooves 84 are all opened in the side clamping plate 4 and are all located below the side clamping plate 4, the connecting sliding grooves 81 are all opened in the side clamping plate 4 and are located between the second sliding groove 84 and the fixing slot 61 of the linkage mechanism 6, a linkage rod 82 is all slidably connected in the connecting sliding groove 81, a sliding gear plate 83 is fixedly connected on both sides of the linkage rod 82, a connecting inserted rod 85 is all slidably connected in the second sliding groove 84 and on both sides of the second sliding groove 84, a connecting hole 810 is all opened on the front clamping plate 3 and corresponding to the connecting inserted rod 85, a fixing hole 811 is all opened on the side wall of the installation cavity 2 and corresponding to the connecting inserted rod 85, a fixing rotating shaft 86 is rotatably connected in the second sliding groove 84 and on both sides of the connecting sliding groove 81, a driving gear 87 is fixedly connected to the fixed rotating shaft 86 and located in the middle of the fixed rotating shaft 86, the driving gear 87 is meshed with the corresponding sliding gear plate 83, driven gears 88 are fixedly connected to the fixed rotating shaft 86 and located on the two sides of the fixed rotating shaft 86, a linkage gear plate 89 is slidably connected to the upper and lower side walls of the second chute 84 and corresponding to the driven gears 88, the linkage gear plate 89 is meshed with the corresponding driven gears 88, one end of the linkage gear plate 89, far away from the driven gears 88, is fixedly connected to the corresponding connecting inserted rod 85, the fixed rotating shaft 86 rotates to finally drive the driven gears 88 to rotate, so that the linkage gear plate 89 can slide in the second chute 84, and finally the connecting inserted rod 85 is driven to slide in the second chute 84, so that one end, far away from the connecting inserted rod 85, passes through the corresponding connecting hole 810, and is clamped in the corresponding fixing hole 811 to finally fix the joint of the lower ends of the front and side clamping plates 3 and 4.

Specifically, the heat dissipation mechanism 9 includes heat dissipation holes 91 and limiting posts 95, the heat dissipation holes 91 are all opened at the lower end of the installation cavity 2, a heat dissipation fan 92 is fixedly connected in each heat dissipation hole 91, a dust guard 93 is fixedly connected at the lower end of each heat dissipation hole 91, the lower ends of the battery core 11 and the partition plate 12 are fixedly connected with a pair of heat conducting plates 94, the limiting columns 95 are respectively and fixedly connected with the four corners of the lower end of the mounting cavity 2, a buffer spring 96 is fixedly connected at the lower end of the mounting cavity 2 and positioned at the outer side of the limiting column 95, the upper end of the buffer spring 96 is contacted with the lower end of the partition plate 12, when the temperature inside the mounting chamber 2 is excessively high due to the operation of the battery cell 11, the heat conductive plate 94 may transfer the temperature of the battery cell 11 to the air inside the mounting chamber 2, and then the dust-proof plate 93 is opened, so that the hot air in the installation cavity 2 is quickly exhausted through the heat-radiating holes 91.

When in use, the front clamping plate 3 and the side clamping plates 4 are respectively inserted into the installation cavity 2, the battery core 11 and the partition plate 12 are clamped between the front clamping plate 3 and the side clamping plates 4, the expansion plate 73 is squeezed, the expansion plate 73 pushes the connecting rod 72 to slide towards the connecting groove 71, the connecting rod 72 compresses the second spring 74, finally the inner side wall of the expansion plate 73 is contacted with the side wall of the rotating handle 610, the rotating handle 610 penetrates through the through hole 69, the sealing cover 10 is clamped above the front clamping plate 3 and the side clamping plates 4, then the expansion plate 73 is loosened, the rotating handle 610 is rotated, the rotating handle 610 drives the threaded rod 68 to rotate, so that the lower end of the threaded rod 68 drives the lifting plate 63 to move downwards, the connecting rotating rod 66 can be pushed to rotate, one end of the connecting rotating rod 66 far away from the lifting plate 63 pushes the fixed inserting rod 62 to be positioned in the fixed inserting groove 61 to slide towards the far away side, and finally one end of the fixed inserting rod 62 far, therefore, the joint of the upper ends of the front splint 3 and the side splint 4 can be fixed, when the threaded rod 68 moves downwards, the rotating handle 610 and the expansion plate 73 are driven to move downwards, the lower end of the expansion plate 73 is finally contacted with the upper end of the sealing cover 10, the expansion plate 73 is clamped outside the limiting block 75, the expansion plate 73 can be effectively prevented from sliding towards the side close to the rotating handle 610 from being positioned at the upper end of the sealing cover 10, finally, the sealing cover 10 can be fixed at the upper ends of the front splint 3 and the side splint 4, meanwhile, when the lifting plate 63 moves downwards, the linkage rod 82 is pushed to be positioned in the connecting chute 81 to slide downwards and drive the sliding gear plate 83 to slide downwards, the fixed rotating shaft 86 can be driven to rotate through the meshing connection of the driving gear 87 and the sliding gear plate 83, the linkage gear plate 89 can be positioned in the second chute 84 to slide, and finally, the connecting inserted rod 85 is driven to slide in the second chute 84, make and connect inserted bar 85 and keep away from one end mutually and pass corresponding connecting hole 810 respectively, and the joint is in corresponding fixed orifices 811, it is fixed with front plate 3 and 4 lower extreme junctions of side plate finally, and make installing frame 1 can fix at 3 side plate 4 lower extremes of front plate, it is sealed fixed with battery core 11 and baffle 12 position in 3 side plate 4 of front plate, when battery core 11 work leads to the inside high temperature of installation cavity 2, heat-conducting plate 94 can be with the temperature transmission of battery core 11 to the inside air of installation cavity 2, reopen cooling fan 92, make the inside hot-air of installation cavity 2 discharge through louvre 91 fast, thereby can make battery core 11 keep working under the appropriate temperature, effectual protection battery core 11, thereby the life of extension battery core 11.

The invention has the beneficial effects that:

(1) according to the invention, through the rotation of the threaded rod of the linkage mechanism, one end of the fixed insertion rod, which is far away from the lifting plate, can be inserted into the clamping groove of the first fixing mechanism, so that the front clamping plate and the side clamping plate can be fixed, and the battery core is fixed between the side clamping plate and the front clamping plate, thereby effectively avoiding the troublesome operation of fixing by using a plurality of screws, facilitating the assembly of a plurality of lithium batteries and improving the assembly efficiency of the lithium battery pack.

(2) According to the invention, the threaded rod of the linkage mechanism rotates, so that the expansion plate of the second fixing mechanism can slide downwards to the upper end of the sealing cover, the limiting block is clamped to the inner side of the expansion plate, the sealing cover can be fixed to the upper ends of the front clamping plate and the side clamping plate, and the connecting insertion rod can be inserted into the fixing hole, so that the upper end and the lower end of the battery core are respectively sealed through the mounting frame and the sealing cover, and the safety of the battery core between the front clamping plate and the side clamping plate is effectively ensured.

(3) According to the invention, the heat generated when the battery core works is dissipated into the mounting cavity through the heat conducting plate of the heat dissipation mechanism, and the air flow speed in the mounting frame is increased through the heat dissipation fan, so that the heat can be effectively dissipated when the battery core works, the battery core can be ensured to work at a proper temperature, and the service life of the battery core is prolonged.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.