Ultralow-temperature-resistant lithium iron phosphate battery

Abstract

The utility model relates to the technical field of lithium battery accessory devices, in particular to an ultralow-temperature-resistant lithium iron phosphate battery which can provide a stable protection effect on a battery main body and can be quickly assembled and disassembled by a worker, so that the assembly and disassembly working efficiency and effect of the worker are improved. Therefore, the practicability of the ultralow-temperature-resistant lithium iron phosphate battery is enhanced; comprising a battery body; the device further comprises a protection box, four sets of clamping plates, four sets of first sliding blocks, multiple sets of first telescopic rods, multiple sets of first springs, a cover plate, two sets of clamping blocks, four sets of rubber bases, a press-fitting mechanism and a connecting mechanism, the four sets of rubber bases are evenly arranged at the bottom of the protection box, the protection box is provided with a working cavity, and four sets of sliding grooves are evenly formed in the bottom of the working cavity of the protection box; the four first sliding blocks are slidably connected with the sliding grooves correspondingly, the tops of the four first sliding blocks are connected with the bottoms of the clamping plates correspondingly, and multiple first telescopic rods are evenly arranged on the inner wall of the working cavity of the protection box.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery accessory devices, in particular to an ultra-low temperature resistant lithium iron phosphate battery. Background Art

[0002] As we all know, lithium iron phosphate battery is a lithium-ion battery that uses lithium iron phosphate (LiFePO4) as the positive electrode material and carbon as the negative electrode material; it has the advantages of high operating voltage, high energy density, long cycle life, good safety performance, low self-discharge rate and no memory effect;

[0003] When existing lithium iron phosphate batteries are in use, they are often provided with installation boxes for protection. However, it is found that the protection effect of existing lithium iron phosphate batteries is poor when in use. The battery body is easily damaged due to external impact or extrusion, and the process of disassembly by workers is cumbersome and requires special tools for disassembly, which reduces the work efficiency and effect of workers' installation and disassembly, resulting in poor practicality. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a kind of ultra-low temperature resistant lithium iron phosphate battery which can provide stable protection effect for the battery body and enable the staff to quickly install and disassemble, thereby improving the work efficiency and effect of the staff's installation and disassembly, thereby enhancing the practicality.

[0005] The utility model discloses an ultra-low temperature resistant lithium iron phosphate battery, comprising a battery body; further comprising a protection box, four groups of clamping plates, four groups of first sliders, multiple groups of first telescopic rods, multiple groups of first springs, a cover plate, two groups of card blocks, four groups of rubber bases, a pressing mechanism and a connecting mechanism, four groups of rubber bases are evenly arranged at the bottom of the protection box, the protection box is provided with a working cavity, four groups of slide grooves are evenly arranged at the bottom of the working cavity of the protection box, the four groups of first sliders are respectively slidably connected to the slide grooves, and the tops of the four groups of first sliders are respectively connected to the bottom of a group of clamping plates, multiple groups of first telescopic rods are evenly arranged on the inner wall of the working cavity of the protection box, and the other ends of the multiple groups of first telescopic rods are respectively connected to one end of the clamping plates, and multiple A group of first springs are respectively arranged at one end of the outer side of the first telescopic rod of the group, and the other ends of the four groups of clamps are respectively pressed against one end of the battery body, a reserved hole is arranged at the top of the working cavity of the protection box, and a group of card slots are respectively arranged at the left and right ends of the reserved holes, one end of the two groups of card blocks are respectively clamped in the reserved hole card slots, the other ends of the two groups of card blocks are respectively connected to one end of the cover plate, and the cover plate is clamped in the working cavity of the protection box through the reserved holes, the bottom of the cover plate is pressed against the top of the battery body through a pressing mechanism, a connecting mechanism is arranged on the top of the battery body, and one end of the connecting mechanism is pressed against one end of the top of the cover plate, a reserved hole is arranged in the central area of ​​the cover plate, and the output end at the top of the battery body passes through the cover plate through the reserved hole.

[0006] The utility model discloses an ultra-low temperature resistant lithium iron phosphate battery, wherein the pressing mechanism comprises an annular plate, two groups of fixing blocks, two groups of connecting rods, four groups of second sliding blocks and a rebound component, a group of fixing blocks are respectively arranged at the left and right ends of the bottom of the cover plate, and a group of grooves are respectively arranged at the bottom of the two groups of fixing blocks, a group of slide grooves are respectively arranged at the left and right ends of the grooves of the two groups of fixing blocks, the two groups of second sliding blocks are respectively slidably connected to a group of slide grooves, the other ends of the two groups of second sliding blocks are respectively connected to one end of the connecting rod, the two groups of connecting rods are respectively slidably pressed against the grooves of the fixing blocks, the bottoms of the two groups of connecting plates are connected to one end of the top of the annular plate, and the bottom of the annular plate is pressed against the bottom of the battery body, and the tops of the grooves of the two groups of fixing blocks are respectively connected to the top of the connecting rod through the rebound component.

[0007] The utility model discloses an ultra-low temperature resistant lithium iron phosphate battery, wherein the rebound component comprises a plurality of groups of second telescopic rods and a plurality of groups of second springs, the plurality of groups of second telescopic rods are respectively arranged on the top of the two groups of fixing block grooves, and the bottoms of the plurality of groups of second telescopic rods are respectively connected to the top of a group of connecting rods, and a group of second springs are respectively arranged on one end of the outer sides of the plurality of groups of second telescopic rods.

[0008] The utility model discloses an ultra-low temperature resistant lithium iron phosphate battery, wherein the connection mechanism comprises two groups of arc-shaped slide plates, two groups of third slide blocks, four groups of connection blocks and two groups of connection screws, a group of slide grooves are respectively arranged at the left and right ends of the top of the protection box, and the two groups of third slide blocks are respectively slidably connected to the slide grooves, the tops of the two groups of third slide blocks are respectively connected to the bottoms of the arc-shaped slide plates, the bottoms of the two groups of arc-shaped clamping plates are respectively slidably pressed against one end of the top of the cover plate, and one ends of the two groups of arc-shaped slide plates are pressed against, two groups of connection blocks are respectively arranged at one end of the tops of the two groups of arc-shaped slide plates, and one ends of the two groups of connection blocks are respectively pressed against, threaded holes are respectively arranged at one end of the four groups of connection blocks, and one ends of the two groups of connection screws are respectively threadedly connected to the two groups of connection blocks through the threaded holes.

[0009] The utility model discloses an ultra-low temperature resistant lithium iron phosphate battery, which also comprises two groups of handles. The tops of the two groups of arc-shaped slide plates are respectively provided with one group of handles.

[0010] The utility model provides an ultra-low temperature resistant lithium iron phosphate battery, which also includes two groups of first handles, and the two groups of first handles are evenly arranged on the top of the cover plate.

[0011] The utility model provides an ultra-low temperature resistant lithium iron phosphate battery, which also includes two groups of second handles and two groups of positioning buckles. The left and right ends of the protection box are respectively hinged to a group of second handles, and a group of positioning buckles are respectively arranged at the bottom of the left and right ends of the protection box. One end of the two groups of positioning buckles is respectively clamped with a group of second handles.

[0012] The utility model provides an ultra-low temperature resistant lithium iron phosphate battery, which also includes multiple groups of rubber pads. One end of each of the four groups of clamping plates is provided with a group of rubber pads, and another group of rubber pads is provided at the bottom of the annular plate. The other ends of the multiple groups of rubber pads are respectively tightly attached to one end of the battery body.

[0013] Compared with the prior art, the ultra-low temperature resistant lithium iron phosphate battery of the utility model has the following beneficial effects: when disassembly is required, the connecting mechanism is adjusted so that the connecting mechanism and the cover plate are disengaged from the card installation, and then the two groups of card blocks and the card slots of the protective box are driven to disengage from the card installation through the cover plate, and the pressing mechanism and the battery body are driven to disengage from the close contact, and then the battery body is taken out, so that the multiple groups of first springs are respectively rebounded through the telescopic rods, and the four groups of splints are respectively slid through the first sliders, and when the battery body is out of the working cavity of the protective box, it can be inspected and repaired, which can provide a stable protection effect for the battery body and enable the staff to quickly install and disassemble, thereby improving the work efficiency and effect of the staff in installation and disassembly, and thus enhancing the practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view structural cross-sectional schematic diagram of the utility model;

[0015] Figure 2 It is a front view structural schematic diagram of the utility model;

[0016] Figure 3 It is a partial structure enlarged schematic diagram of A of the utility model;

[0017] Figure 4 It is a partial structure enlarged schematic diagram of B of the utility model;

[0018] Markings in the accompanying drawings: 1. battery body; 2. protective box; 3. splint; 4. first slider; 5. first telescopic rod; 6. first spring; 7. cover plate; 8. block; 9. rubber base; 10. annular plate; 11. fixing block; 12. connecting rod; 13. second slider; 14. second telescopic rod; 15. second spring; 16. arc-shaped slide plate; 17. third slider; 18. connecting block; 19. connecting screw; 20. handle; 21. first handle; 22. second handle; 23. positioning buckle; 24. rubber pad. DETAILED DESCRIPTION

[0019] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0020] like Figures 1 to 4As shown, a super-low temperature resistant lithium iron phosphate battery of the utility model includes a battery body 1; it also includes a protection box 2, four groups of splints 3, four groups of first sliders 4, multiple groups of first telescopic rods 5, multiple groups of first springs 6, a cover plate 7, two groups of card blocks 8, four groups of rubber bases 9, a pressing mechanism and a connecting mechanism, four groups of rubber bases 9 are evenly arranged at the bottom of the protection box 2, the protection box 2 is provided with a working cavity, four groups of slide grooves are evenly arranged at the bottom of the working cavity of the protection box 2, the four groups of first sliders 4 are respectively slidably connected to the slide grooves, and the four groups of first The top of a slider 4 is respectively connected to the bottom of a group of clamps 3, a plurality of groups of first telescopic rods 5 are evenly arranged on the inner wall of the working chamber of the protection box 2, and the other ends of the plurality of groups of first telescopic rods 5 are respectively connected to one end of the clamps 3, a group of first springs 6 are respectively arranged at one end of the outer side of the plurality of groups of first telescopic rods 5, the other ends of the four groups of clamps 3 are respectively in close contact with one end of the battery body 1, a reserved hole is arranged on the top of the working chamber of the protection box 2, and a group of card slots are respectively arranged at the left and right ends of the reserved holes, one end of the two groups of card blocks 8 is respectively carded with the reserved hole card slots, and the two groups The other end of the card block 8 is connected to one end of the cover plate 7 respectively, and the cover plate 7 is clamped with the working cavity of the protection box 2 through the reserved hole, the bottom of the cover plate 7 is tightly attached to the top of the battery body 1 through the pressing mechanism, the top of the battery body 1 is provided with a connecting mechanism, and one end of the connecting mechanism is tightly attached to one end of the top of the cover plate 7, the central area of ​​the cover plate 7 is provided with a reserved hole, and the top output end of the battery body 1 passes through the cover plate 7 through the reserved hole; when disassembly is required, the connecting mechanism is adjusted so that the connecting mechanism and the cover plate are disengaged from the clamping, and then the two groups of card blocks and the card slots of the protection box are driven to disengage from the clamping through the cover plate, and the pressing mechanism is driven to disengage from the close contact with the battery body, and then the battery body is taken out, so that the multiple groups of first springs are rebounded respectively through the telescopic rods, and the four groups of clamps are slid respectively through the first slider, and when the battery body is out of the working cavity of the protection box, it can be inspected and repaired, which can provide a stable protection effect for the battery body and enable the staff to quickly install and disassemble, thereby improving the work efficiency and effect of the staff in installation and disassembly, and thus enhancing practicality.

[0021] The utility model discloses an ultra-low temperature resistant lithium iron phosphate battery, wherein the pressing mechanism comprises an annular plate 10, two groups of fixing blocks 11, two groups of connecting rods 12, four groups of second sliders 13 and a rebound assembly, wherein a group of fixing blocks 11 are respectively arranged at the left and right ends of the bottom of the cover plate 7, and a group of grooves are respectively arranged at the bottom of the two groups of fixing blocks 11, a group of slide grooves are respectively arranged at the left and right ends of the grooves of the two groups of fixing blocks 11, the two groups of second sliders 13 are respectively slidably connected with a group of slide grooves, the other ends of the two groups of second sliders 13 are respectively connected with one end of the connecting rod 12, the two groups of connecting rods 12 are respectively slidably attached to the grooves of the fixing blocks 11, and the two groups of connecting plates The bottom is connected to one end of the top of the annular plate 10, and the bottom of the annular plate 10 is tightly attached to the bottom of the battery body 1, and the tops of the grooves of the two groups of fixing blocks 11 are respectively connected through the rebound assembly and the top of the connecting rod 12; when the cover plate drives the two groups of fixing blocks out of the working chamber of the protection box, the rebound assembly rebounds, so that the two groups of support rods respectively drive the annular plate to slide and reset through the second slider until the cover plate drives the annular plate out of the working chamber of the protection box through the fixed block. When it is impacted during work, it is deformed by the expansion and contraction of the rebound assembly, which can reduce the damage caused by the impact, thereby enhancing practicality.

[0022] The utility model discloses an ultra-low temperature resistant lithium iron phosphate battery, wherein the rebound component comprises a plurality of groups of second telescopic rods 14 and a plurality of groups of second springs 15, the plurality of groups of second telescopic rods 14 are respectively arranged on the top of the grooves of the two groups of fixing blocks 11, and the bottoms of the plurality of groups of second telescopic rods 14 are respectively connected to the top of a group of connecting rods 12, and a group of second springs 15 are respectively arranged on the outer ends of the plurality of groups of second telescopic rods 14; when the plurality of groups of second telescopic rods 14 are subjected to impact or the like during work, the second springs are used to drive the telescopic rods to extend and retract to generate a mold plate, which can reduce the damage caused by the impact caused by the impact, thereby enhancing the practicality.

[0023] The utility model discloses an ultra-low temperature resistant lithium iron phosphate battery, wherein the connection mechanism comprises two groups of arc-shaped slide plates 16, two groups of third slide blocks 17, four groups of connection blocks 18 and two groups of connection screws 19, a group of slide grooves are respectively arranged at the left and right ends of the top of the protection box 2, and the two groups of third slide blocks 17 are respectively slidably connected to the slide grooves, the tops of the two groups of third slide blocks 17 are respectively connected to the bottoms of the arc-shaped slide plates 16, the bottoms of the two groups of arc-shaped clamping plates 3 are respectively slidably attached to one end of the top of the cover plate 7, and one end of the two groups of arc-shaped slide plates 16 is attached, and two groups of connection blocks 1 are respectively arranged at one end of the top of the two groups of arc-shaped slide plates 16. 8, and one end of the two groups of connecting blocks 18 are respectively tightly attached, one end of the four groups of connecting blocks 18 are respectively provided with threaded holes, and one end of the two groups of connecting screws 19 are respectively threadedly connected to the two groups of connecting blocks 18 through the threaded holes; the two groups of connecting screws are rotated until the two groups of connecting screws are respectively disconnected from the threaded connection with the connecting blocks, and then the arc-shaped slides are slid through the two groups of third sliders until the two groups of arc-shaped slides are respectively disconnected from the top of the cover plate and tightly attached, and then the cover plate is pulled. The cover plate can be limited when working, and the staff can also quickly limit the cover plate, thereby enhancing practicality.

[0024] The ultra-low temperature resistant lithium iron phosphate battery of the utility model further comprises two groups of handles 20, and a group of handles 20 are respectively arranged on the top of the two groups of arc-shaped slide plates 16; the staff can slide the two groups of slide plates more quickly, thus enhancing the practicality.

[0025] The ultra-low temperature resistant lithium iron phosphate battery of the utility model further comprises two groups of first handles 21, and the two groups of first handles 21 are evenly arranged on the top of the cover plate 7; the staff can pull the cover plate more quickly, thus enhancing the practicality.

[0026] The utility model provides an ultra-low temperature resistant lithium iron phosphate battery, which also includes two groups of second handles 22 and two groups of positioning buckles 23. The left and right ends of the protection box 2 are respectively hinged to a group of second handles 22, and a group of positioning buckles 23 are respectively arranged at the bottom of the left and right ends of the protection box 2. One end of the two groups of positioning buckles 23 is respectively clamped with a group of second handles 22; the staff can move the overall device more quickly, and the rear positioning buckle and the second handle are clamped to limit the position, thereby enhancing the practicality.

[0027] The utility model provides an ultra-low temperature resistant lithium iron phosphate battery, which also includes multiple groups of rubber pads 24, one end of each of the four groups of clamping plates 3 is provided with a group of rubber pads 24, and another group of rubber pads 24 is provided at the bottom of the annular plate 10, and the other ends of the multiple groups of rubber pads 24 are respectively tightly attached to one end of the battery body 1; the battery body can be prevented from being damaged due to friction and extrusion, thereby enhancing practicality.

[0028] The utility model discloses an ultra-low temperature resistant lithium iron phosphate battery. When it is working, when it needs to be disassembled, the two groups of connecting screws are rotated until the two groups of connecting screws are respectively disconnected from the threaded connection with the connecting blocks, and then the arc-shaped slide plates are slid by the two groups of third slide blocks until the two groups of arc-shaped slide plates are respectively disconnected from the top of the cover plate and tightly attached, and then the cover plate is pulled by the handle to make the bottom of the arc-shaped slide plate and the top of the cover plate disconnected from the clamping, and then the two groups of clamping blocks and the clamping slots of the protection box are driven to disconnect from the clamping through the cover plate, and the bottom of the annular plate and the battery body are driven to disconnect from the tight attachment, and then the battery body is taken out, and the multiple groups of first springs are respectively rebounded by the telescopic rods, and the four groups of clamping plates are respectively slid by the first slide blocks, and when the battery body is disconnected from the working cavity of the protection box, it can be inspected and repaired.

[0029] The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

[0030] The “first”, “second” and “third” mentioned in the present invention do not represent specific quantities and orders, but are merely used to distinguish names.

[0031] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A super-low temperature resistant lithium iron phosphate battery, comprising a battery body (1); characterized in that: The protective box (2) further comprises a protective box (2), four groups of clamping plates (3), four groups of first sliders (4), a plurality of groups of first telescopic rods (5), a plurality of groups of first springs (6), a cover plate (7), two groups of clamping blocks (8), four groups of rubber bases (9), a pressing mechanism and a connecting mechanism. The bottom of the protective box (2) is evenly provided with four groups of rubber bases (9). The protective box (2) is provided with a working cavity. The bottom of the working cavity of the protective box (2) is evenly provided with four groups of sliding grooves. The four groups of first sliders (4) are respectively slidably connected to the sliding grooves, and the tops of the four groups of first sliders (4) are respectively connected to the bottom of a group of clamping plates (3). The inner wall of the working cavity of the protective box (2) is evenly provided with a plurality of first telescopic rods (5), and the other ends of the plurality of first telescopic rods (5) are respectively connected to one end of the clamping plates (3). The outer wall of the plurality of first telescopic rods (5) is provided with a plurality of first telescopic rods (5). A group of first springs (6) are respectively arranged at one end of each side, the other ends of the four groups of clamping plates (3) are respectively in close contact with one end of the battery body (1), a reserved hole is arranged at the top of the working chamber of the protection box (2), and a group of card slots are respectively arranged at the left and right ends of the reserved hole, one end of the two groups of card blocks (8) are respectively clamped with the reserved hole card slots, the other ends of the two groups of card blocks (8) are respectively connected to one end of the cover plate (7), and the cover plate (7) is clamped with the working chamber of the protection box (2) through the reserved holes, the bottom of the cover plate (7) is in close contact with the top of the battery body (1) through a pressing mechanism, a connecting mechanism is arranged at the top of the battery body (1), and one end of the connecting mechanism is in close contact with one end of the top of the cover plate (7), a reserved hole is arranged in the central area of ​​the cover plate (7), and the output end of the top of the battery body (1) passes through the reserved hole through the cover plate (7).

2. The ultra-low temperature resistant lithium iron phosphate battery according to claim 1, characterized in that: The press-fitting mechanism comprises an annular plate (10), two groups of fixed blocks (11), two groups of connecting rods (12), four groups of second sliders (13) and a rebound component. A group of fixed blocks (11) are respectively arranged at the left and right ends of the bottom of the cover plate (7), and a group of grooves are respectively arranged at the bottom of the two groups of fixed blocks (11). A group of slide grooves are respectively arranged at the left and right ends of the grooves of the two groups of fixed blocks (11). The two groups of second sliders (13) are respectively slidably connected to a group of slide grooves. The other ends of the two groups of second sliders (13) are respectively connected to one end of the connecting rod (12). The two groups of connecting rods (12) are respectively slidably attached to the grooves of the fixed blocks (11). The bottoms of the two groups of connecting plates are connected to one end of the top of the annular plate (10), and the bottom of the annular plate (10) is attached to the bottom of the battery body (1). The tops of the grooves of the two groups of fixed blocks (11) are respectively connected to the top of the connecting rod (12) through the rebound component.

3. The ultra-low temperature resistant lithium iron phosphate battery according to claim 2, characterized in that: The rebound assembly comprises a plurality of groups of second telescopic rods (14) and a plurality of groups of second springs (15); the plurality of groups of second telescopic rods (14) are respectively arranged at the top of the grooves of the two groups of fixing blocks (11); the bottoms of the plurality of groups of second telescopic rods (14) are respectively connected to the top of a group of connecting rods (12); and a group of second springs (15) are respectively arranged at one end of the outer side of the plurality of groups of second telescopic rods (14).

4. The ultra-low temperature resistant lithium iron phosphate battery according to claim 3, characterized in that: The connection mechanism comprises two groups of arc-shaped slide plates (16), two groups of third slide blocks (17), four groups of connection blocks (18) and two groups of connection screw rods (19). A group of slide grooves are respectively arranged at the left and right ends of the top of the protection box (2), and the two groups of third slide blocks (17) are respectively slidably connected to the slide grooves. The tops of the two groups of third slide blocks (17) are respectively connected to the bottoms of the arc-shaped slide plates (16). The bottoms of the two groups of arc-shaped clamping plates (3) are respectively slidably close to one end of the top of the cover plate (7), and one end of the two groups of arc-shaped slide plates (16) is close to each other. Two groups of connection blocks (18) are respectively arranged at one end of the top of the two groups of arc-shaped slide plates (16), and one end of the two groups of connection blocks (18) is respectively close to each other. One end of the four groups of connection blocks (18) is respectively arranged with threaded holes. One end of the two groups of connection screw rods (19) is respectively threadedly connected to the two groups of connection blocks (18) through the threaded holes.

5. The ultra-low temperature resistant lithium iron phosphate battery according to claim 4, characterized in that: It also includes two groups of handles (20), and a group of handles (20) is respectively arranged on the top of the two groups of arc-shaped slide plates (16).

6. The ultra-low temperature resistant lithium iron phosphate battery according to claim 5, characterized in that: It also comprises two groups of first handles (21), and the top of the cover plate (7) is evenly provided with the two groups of first handles (21).

7. The ultra-low temperature resistant lithium iron phosphate battery according to claim 6, characterized in that: The protective box (2) further comprises two groups of second handles (22) and two groups of positioning buckles (23). The left and right ends of the protective box (2) are respectively hinged to a group of second handles (22). A group of positioning buckles (23) are respectively arranged at the bottom of the left and right ends of the protective box (2). One end of the two groups of positioning buckles (23) is respectively clamped to a group of second handles (22).

8. The ultra-low temperature resistant lithium iron phosphate battery according to claim 7, characterized in that: It also includes multiple groups of rubber pads (24), one end of each of the four groups of clamping plates (3) is provided with a group of rubber pads (24), and the bottom of the annular plate (10) is provided with another group of rubber pads (24), and the other ends of the multiple groups of rubber pads (24) are respectively tightly attached to one end of the battery body (1).

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