CN213782177U

CN213782177U - Ultralow temperature-resistant lithium iron phosphate battery

Info

Publication number: CN213782177U
Application number: CN202120040343.6U
Authority: CN
Inventors: 汪磊; 蔡坚
Original assignee: Jiangxi Baiteng Chuangda Technology Co ltd
Current assignee: Jiangxi Baiteng Chuangda Technology Co ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-07-23
Anticipated expiration: 2031-01-08

Abstract

The utility model discloses an ultralow temperature resistant lithium iron phosphate battery, which comprises a box body, wherein a box cover is arranged at the upper end of the box body, a second mounting ring is arranged at the upper end of the box body, a first mounting ring is arranged at the lower end of the box cover and is jointed with the second mounting ring, an inserting rod is movably inserted into the surface of the first mounting ring, one end of the inserting rod is fixedly connected with the upper end of the second mounting ring, a mounting groove is arranged on the surface of the inserting rod, stoppers are movably arranged at both ends of the inserting rod, movable clamping blocks are fixedly arranged at the two sides of the stoppers, one end of the movable clamping block is movably inserted into the outer side of the mounting groove, one side of the end is jointed with the surface of the first mounting ring, a reset ring moves along a chute on the surface of the box cover through a slide block, a reset hole moves along the inserting rod, the reset hole is contacted with the movable clamping blocks, so that the movable clamping blocks shrink, and the inserting rod can be conveniently drawn out from the inside of the slot, thereby being convenient for the quick dismantlement of case lid and box.

Description

Ultralow temperature-resistant lithium iron phosphate battery

Technical Field

The utility model relates to a lithium cell technical field specifically is a resistant ultra-low temperature lithium iron phosphate battery.

Background

The lithium battery is a primary battery using lithium metal or lithium alloy as a negative electrode material and using a non-aqueous electrolyte solution, unlike a lithium ion battery, which is a rechargeable battery, and a lithium ion polymer battery. The inventor of lithium batteries was edison. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. Therefore, lithium batteries have not been used for a long time. With the development of microelectronic technology at the end of the twentieth century, miniaturized devices are increasing, and high requirements are made on power supplies. The lithium battery enters a large-scale practical stage, the BMS power management system is gradually popularized along with the increase of the utilization rate of the lithium battery, the BMS power management system can be customized in a personalized mode, battery output management, charging, wired or wireless communication, fault diagnosis and the like can be achieved, power safety management can be conducted, and required technical parameters can be basically obtained from the BMS and managed.

Current lithium iron phosphate battery is in order to improve low temperature resistant effect, often can seal its inside of installing at the box that adjusts the temperature, and current box uses the cooperation of set bolt and nut more to seal, installs and dismantles the trouble of getting up ten minutes, adopts the apparatus to dismantle more, and extravagant manpower and materials for this reason we provide a resistant ultra-low temperature lithium iron phosphate battery.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a resistant ultra-low temperature lithium iron phosphate battery to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an ultralow temperature-resistant lithium iron phosphate battery comprises a box body, a box cover is installed at the upper end of the box body, a second installation ring is installed at the upper end of the box body, a first installation ring is installed at the lower end of the box cover and is attached to the second installation ring, an insertion rod is movably inserted into the surface of the first installation ring, one end of the insertion rod is fixedly connected with the upper end of the second installation ring, an installation groove is formed in the surface of the insertion rod, limited blocks are movably installed at two ends of the insertion rod, movable clamping blocks are fixedly installed on one side, away from the two limited blocks, of the movable clamping blocks, one end of the movable clamping block is movably inserted into the outer side of the installation groove, one side of the end is attached to the surface of the first installation ring, clamping springs are fixedly installed on one side, opposite to the two limited blocks, a reset ring is movably installed on the surface of the box cover, a reset hole is formed in the surface of the reset ring, an insertion rod is movably inserted into the inner side of the box cover, a movable rod is movably inserted into the upper end of the box cover, the lower end of the movable rod is fixedly connected with the upper end of the reset ring, the upper end of the movable rod is fixedly provided with a movable ring, the lower end of the movable ring is fixedly provided with a supporting spring, and the lower end of the movable ring is fixedly connected with the upper end of the box cover.

Preferably, the inside of box is installed with the group battery, the inside of box and case lid all is provided with the zone of heating.

Preferably, the sliding grooves are formed in the two sides of the box cover and located on one side of the inner ring of the reset ring, and the sliding grooves and the reset holes are symmetrically distributed.

Preferably, both sides of the inner ring of the reset ring are fixedly provided with sliding blocks, and the sliding blocks are movably connected with the sliding grooves.

Preferably, slots are formed in two sides of the surface of the first mounting ring, and an insertion rod is movably inserted into the slots and is positioned on the same vertical line with the reset hole.

Preferably, the diameter of the plug rod is equal to that of the slot and equal to that of the reset hole, and the diameter of the slot is smaller than the maximum distance between the diameters of the two movable clamping blocks.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the setting of first installation circle, the fixed connection of case lid and box of being convenient for, when the user uses, place the inside at the box with the group battery, the user places the case lid on the box, make inside the slot of inserted bar insertion first installation circle, the activity fixture block is the slope and shakes, along with the emboliaing of slot, the inside of activity fixture block shrink mounting groove, compress the chucking spring, when first installation circle and second installation circle laminating, the activity fixture block is in the bullet department under the effect of the solid spring of card, make the lower extreme of activity fixture block laminate with the upper end of first installation circle, thereby be convenient for the sealed of case lid and box, sealed effect has been increased.

2. Through the setting of reset ring for the integrated device has fine dismantlement effect, and the reset ring moves along the spout on case lid surface through the slider, and the reset hole moves along the inserted bar, and the reset hole contacts with movable fixture block for movable fixture block shrink, the inserted bar of being convenient for is taken out from the inside of slot, thereby is convenient for dismantle fast of case lid and box.

3. Through the setting of activity ring, be convenient for support the ring that resets, when the user dismantles or maintains the group battery, the user promotes the activity ring, and the activity ring drives the ring that resets through the movable rod and removes, extrudees supporting spring, and after dismantling the completion, the activity ring resumes the normal position under supporting spring's effect, the use in the later stage of being convenient for.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

fig. 3 is a schematic structural view of the reset ring of the present invention;

in the figure: 1. a box body; 2. a battery pack; 3. a heating layer; 4. a box cover; 5. a movable ring; 6. a movable rod; 7. a support spring; 8. a first mounting ring; 9. a second mounting ring; 10. inserting a rod; 11. a slot; 12. a movable clamping block; 13. a limiting block; 14. a reset ring; 15. clamping and fixing the spring; 16. a reset hole; 17. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

Referring to fig. 1 to 3, the present invention provides a technical solution: an ultralow temperature resistant lithium iron phosphate battery comprises a box body 1, a box cover 4 is arranged at the upper end of the box body 1, a second mounting ring 9 is arranged at the upper end of the box body 1, a first mounting ring 8 is arranged at the lower end of the box cover 4 and is jointed with the second mounting ring 9, an inserting rod 10 is movably inserted into the surface of the first mounting ring 8, one end of the inserting rod is fixedly connected with the upper end of the second mounting ring 9, a mounting groove is arranged on the surface of the inserting rod 10, two limit blocks 13 are movably arranged at the two ends of the inserting rod, movable clamp blocks 12 are fixedly arranged at the separated sides of the two limit blocks 13, one end of the movable inserting rod is movably inserted into the outer side of the mounting groove, one side of the end is jointed with the surface of the first mounting ring 8, clamp springs 15 are fixedly arranged at the opposite sides of the two limit blocks 13, a reset ring 14 is movably arranged on the surface of the box cover 4, a reset hole 16 is arranged on the surface of the box cover, and an inserting rod 10 is movably inserted into the box body, the upper end of the case cover 4 is movably inserted with a movable rod 6, the lower end of the movable rod is fixedly connected with the upper end of a reset ring 14, the upper end of the movable rod 6 is fixedly provided with a movable ring 5, the lower end of the movable ring 5 is fixedly provided with a supporting spring 7, the lower end of the movable ring is fixedly connected with the upper end of the case cover 4, when a user uses the case, the battery pack 2 is placed in the case body 1, the user places the case cover 4 on the case body 1, the inserted rod 10 is inserted into the slot 11 of the first mounting ring 8, the movable clamping block 12 is obliquely swung, along with the insertion of the slot 11, the movable clamping block 12 is contracted into the mounting groove to compress the clamping spring 15, when the first mounting ring 8 is attached to the second mounting ring 9, the movable clamping block 12 is bounced under the action of the clamping spring 15, so that the lower end of the movable clamping block 12 is attached to the upper end of the first mounting ring 8, thereby facilitating the sealing of the case cover 4 and the case body 1, increased sealed effect, the user dismantles or when maintaining group battery 2, the user promotes activity ring 5, activity ring 5 drives reset ring 14 through movable rod 6 and removes, extrude supporting spring 7, it removes to drive reset ring 14, reset ring 14 removes along the spout on case lid 4 surface through slider 17, reset hole 16 removes along inserted bar 10, reset hole 16 and activity fixture block 12 contact, make activity fixture block 12 shrink, be convenient for inserted bar 10 to take out from the inside of slot 11, thereby be convenient for quick dismantlement of case lid 4 and box 1, after dismantling the completion, activity ring 5 resumes the normal position under supporting spring 7's effect, be convenient for the use in later stage.

Further, the internally mounted of box 1 has group battery 2, and the inside of box 1 and case lid 4 all is provided with zone of heating 3, promotes the inside temperature of box 1, resists low temperature weather.

Further, the sliding grooves are formed in the two sides of the box cover 4 and located on one side of the inner ring of the reset ring 14, the sliding grooves and the reset hole 16 are symmetrically distributed, the sliding blocks 17 are fixedly mounted on the two sides of the inner ring of the reset ring 14, and the sliding blocks 17 are movably connected with the sliding grooves, so that the moving range of the reset ring 14 is limited.

Furthermore, slots 11 are formed in two sides of the surface of the first mounting ring 8, and an insertion rod 10 is movably inserted in the first mounting ring and is positioned on the same vertical line with the reset hole 16, so that the movable clamping block 12 can be conveniently retracted.

Furthermore, the diameter of the inserted link 10 is equal to the diameter of the slot 11 and equal to the diameter of the reset hole 16, and the diameter of the slot 11 is smaller than the maximum distance between the diameters of the two movable clamping blocks 12, so that the movable clamping blocks 12 can be conveniently clamped and fixed to the first mounting ring 8 and the second mounting ring 9.

The working principle is as follows: when the user uses the battery pack 2, the battery pack 2 is placed in the box body 1, the user places the box cover 4 on the box body 1, the inserted rod 10 is inserted into the slot 11 of the first mounting ring 8, the movable clamping block 12 is obliquely swung, along with the insertion of the slot 11, the movable clamping block 12 is contracted into the mounting slot, the clamping spring 15 is compressed, when the first mounting ring 8 is jointed with the second mounting ring 9, the movable clamping block 12 is bounced under the action of the clamping spring 15, so that the lower end of the movable clamping block 12 is jointed with the upper end of the first mounting ring 8, the sealing between the box cover 4 and the box body 1 is convenient, the sealing effect is increased, when the user detaches or maintains the battery pack 2, the user pushes the movable ring 5, the movable ring 5 drives the reset ring 14 to move through the movable rod 6, the support spring 7 is extruded, the reset ring 14 is driven to move, the reset ring 14 moves through the sliding block 17 along the sliding slot on the surface of the box cover 4, reset hole 16 moves along inserted bar 10, and reset hole 16 and activity fixture block 12 contact for activity fixture block 12 contracts, and the inserted bar 10 of being convenient for is taken out from the inside of slot 11, thereby the quick dismantlement of case lid 4 and box 1 of being convenient for, and after dismantling the completion, activity ring 5 resumes the normal position under supporting spring 7's effect, the use in the later stage of being convenient for.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a resistant ultra-low temperature lithium iron phosphate battery, includes box (1), and case lid (4), its characterized in that are installed to its upper end: a second mounting ring (9) is mounted at the upper end of the box body (1), a first mounting ring (8) is mounted at the lower end of the box cover (4) and is attached to the second mounting ring (9), an insertion rod (10) is movably inserted into the surface of the first mounting ring (8), one end of the insertion rod is fixedly connected with the upper end of the second mounting ring (9), a mounting groove is formed in the surface of the insertion rod (10), limiting blocks (13) are movably mounted at two ends of the insertion rod, movable clamping blocks (12) are fixedly mounted on the two sides of the limiting blocks (13) away from each other, one end of the movable clamping block is movably inserted into the outer side of the mounting groove, one side of the end is attached to the surface of the first mounting ring (8), clamping springs (15) are fixedly mounted on the two sides of the limiting blocks (13) opposite to each other, a reset ring (14) is movably mounted on the surface of the box cover (4), and a reset hole (16) is formed in the surface of the box cover, its inside activity interlude has inserted bar (10), the upper end activity interlude of case lid (4) has movable rod (6), the upper end fixed connection of its lower extreme and reset ring (14), the upper end fixed mounting of movable rod (6) has movable ring (5), the lower extreme fixed mounting of movable ring (5) has supporting spring (7), the upper end fixed connection of its lower extreme and case lid (4).

2. The ultra-low temperature resistant lithium iron phosphate battery as claimed in claim 1, wherein: the inside mounting of box (1) has group battery (2), the inside of box (1) and case lid (4) all is provided with zone of heating (3).

3. The ultra-low temperature resistant lithium iron phosphate battery as claimed in claim 1, wherein: the two sides of the box cover (4) are both provided with sliding grooves which are positioned on one side of the inner ring of the reset ring (14) and are symmetrically distributed with the reset hole (16).

4. The ultra-low temperature resistant lithium iron phosphate battery as claimed in claim 3, wherein: the both sides of reset ring (14) inner circle all fixed mounting have slider (17), slider (17) and spout swing joint.

5. The ultra-low temperature resistant lithium iron phosphate battery as claimed in claim 1, wherein: the slot (11) has all been seted up to the both sides on first installation circle (8) surface, and its inside activity alternates has inserted bar (10), and it is located same vertical line with reset hole (16).

6. The ultra-low temperature resistant lithium iron phosphate battery as claimed in claim 1, wherein: the diameter of the inserted bar (10) is equal to that of the slot (11) and equal to that of the reset hole (16), and the diameter of the slot (11) is smaller than the maximum distance between the diameters of the two movable clamping blocks (12).