Lithium iron phosphate battery pack

Abstract

The utility model discloses a lithium iron phosphate battery pack, which relates to the technical field of battery packs and comprises a box body, clamping pieces are mounted on the bottom wall of the inner side of the box body, a lower supporting frame is mounted on the bottom wall of the inner side of the box body, a plurality of limiting grooves are formed in the inner side of the lower supporting frame, and the clamping pieces are embedded into the inner sides of the limiting grooves. And a non-slip mat is installed on the inner side of the limiting groove, a lithium iron phosphate battery is movably installed on the top of the non-slip mat, a cathode and anode connector is installed on the top of the lithium iron phosphate battery, and a connecting bolt is movably installed on the outer side of the lower supporting frame through threads. The clamping piece, the lower supporting frame and the limiting groove are installed, the box body fixes the clamping piece on the bottom wall of the inner side, stability of the clamping piece is guaranteed, the lower supporting frame is installed on the bottom wall of the inner side of the box body, the limiting groove is formed in the inner side of the lower supporting frame, the clamping piece is sleeved with the limiting groove, limiting installation of the lower supporting frame is achieved, and stability of the lower supporting frame is guaranteed. And the inner side of the lower supporting frame limits the lithium iron phosphate battery through the limiting groove.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery pack technical field, concretely is a kind of lithium iron phosphate battery pack. BACKGROUND

[0002] Lithium iron phosphate battery is a kind of lithium ion battery using lithium iron phosphate as positive material, carbon as negative material, single rated voltage is 3.2V, and charging cutoff voltage is 3.6V~3.65V.It has the advantages of high working voltage, high energy density, long cycle life, good safety performance, small self-discharge rate and no memory effect.

[0003] Patent document CN215451677U discloses a kind of simple assembly lithium iron phosphate battery, which discloses "a kind of simple assembly lithium iron phosphate battery, the simple assembly lithium iron phosphate battery of the present application, including lithium iron phosphate battery and fixed assembly, lithium iron phosphate battery is externally fixed with protective housing, protective housing front is fixed with limit shaft, limit shaft is fixed with clamping head away from protective housing one end";

[0004] However, the lithium iron phosphate battery disclosed in the above document lacks a limiting structure inside, which is not convenient for users to disassemble and install lithium batteries. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of lithium iron phosphate battery pack to solve the technical problem that the lithium iron phosphate battery pack lacks a limiting structure inside as described in the above background art, which is not convenient for users to disassemble.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of lithium iron phosphate battery pack, comprising: box, the inner side bottom wall of the box is installed with clamping piece, the inner side bottom wall of the box is installed with lower support frame, the inner side of the lower support frame is provided with a plurality of limiting grooves, clamping piece is embedded into the inner side of limiting groove, the inner side of the limiting groove is installed with anti-skid pad, the top of the anti-skid pad is movably installed with lithium iron phosphate battery, the top of the lithium iron phosphate battery is installed with cathode anode joint, the outer side of the lower support frame is movably installed with connecting bolt by screw thread, the outer side of the lower support frame is movably installed with connecting plate by connecting bolt, the second group of connecting bolts are installed in the inner side of connecting plate, the top of the cathode anode joint is movably installed with fastener by screw thread, and the outer side of fastener is installed with conductive assembly.

[0007] Preferably, the conductive assembly includes a conductive wire mounted on the outer side of the fastener, and an insulating layer is mounted on the outer side of the conductive wire.

[0008] Preferably, an upper limiting frame is mounted above the lithium iron phosphate battery.

[0009] Preferably, the upper limit frame is provided with a plurality of through grooves on the inner side, and extrusion pads are installed on the inner side top wall of the through grooves and abut against the upper side of the lithium iron phosphate battery.

[0010] Preferably, the top of the upper limit frame is provided with a limiting block, and the limiting block is located on the outer side of the through groove.

[0011] Preferably, a top cover is movably installed on the outer side of the limiting block and is installed on the upper side of the box body.

[0012] Preferably, the bottom of the top cover is provided with an embedded plate, and the embedded plate is embedded into the inner side top wall of the box body.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model discloses a card piece, a lower support frame and a limiting groove are installed, the inner side bottom wall card piece is fixed to the box body, the stability of the card piece is guaranteed, the lower support frame is installed on the inner side bottom wall of the box body, the inner side of the lower support frame is provided with the limiting groove, the limiting groove is sleeved on the outer side of the card piece, the lower support frame limiting installation is realized, the stability of the lower support frame is guaranteed, and the inner side of the lower support frame is limited to the lithium iron phosphate battery through the limiting groove.

[0015] 2. The utility model discloses a top cover and a box body are installed, an embedded plate is fixed with the top cover, the top cover keeps stable, the top cover is assembled with the box body, the closed nature of the structure is guaranteed, the top cover and the box body adopt hard plastic and are composed, the top cover and the box body cooperate and protect the battery pack in the inside, and the safety of the battery pack is guaranteed. DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the section structure schematic diagram of the utility model;

[0018] Figure 3 It is the upper limit frame structure schematic diagram of the utility model;

[0019] Figure 4 It is the top cover structure schematic diagram of the utility model.

[0020] In the drawing: 1, box body;2, card piece;3, lower support frame;4, limiting groove;5, antiskid pad;6, lithium iron phosphate battery;7, cathode anode joint;8, fastener;9, conductive wire;10, insulating layer;11, upper limit frame;12, through groove;13, extrusion pad;14, limiting block;15, connecting bolt;16, connecting plate;17, embedded plate;18, top cover. PREFERRED EMBODIMENT

[0021] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiment is only a part of the embodiment of the utility model, and is not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of protection of the utility model.

[0022] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "the other end" is based on the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance.

[0023] In the description of the utility model, it needs to be explained that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For the ordinary skill in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0024] Please refer to Figure 1 、 Figure 2 、 Figure 3 And Figure 4 A lithium iron phosphate battery pack, comprising: a box body 1, a clamping piece 2 is installed on the inner bottom wall of the box body 1, a lower support frame 3 is installed on the inner bottom wall of the box body 1, a plurality of limiting grooves 4 are formed in the inner side of the lower support frame 3, the clamping piece 2 is embedded into the inner side of the limiting groove 4, an anti-skid pad 5 is installed on the inner side of the limiting groove 4, a lithium iron phosphate battery 6 is movably installed on the top of the anti-skid pad 5, a cathode anode joint 7 is installed on the top of the lithium iron phosphate battery 6, a connecting bolt 15 is movably installed on the outer side of the lower support frame 3 through threads, a connecting plate 16 is movably installed on the outer side of the lower support frame 3 through the connecting bolt 15, the second group of connecting bolts 15 are installed on the inner side of the connecting plate 16, a fastener 8 is movably installed on the top of the cathode anode joint 7 through threads, and a conductive assembly is installed on the outer side of the fastener 8.

[0025] The box body 1 is fixed to the inner side bottom wall clamping piece 2, which ensures the stability of the clamping piece 2, and the lower support frame 3 is installed on the inner side bottom wall of the box body 1, and the inner side of the lower support frame 3 is provided with a limiting groove 4, and the limiting groove 4 is sleeved on the outer side of the clamping piece 2, thereby achieving limiting installation of the lower support frame 3 and ensuring the stability of the lower support frame 3, and the inner side of the lower support frame 3 is limited by the limiting groove 4 to the lithium iron phosphate battery 6, and the anti-skid pad 5 is fixed to the inner side of the limiting groove 4, and the anti-skid pad 5 supports the top lithium iron phosphate battery 6, and the friction force is increased through the anti-skid pad 5, thereby ensuring the stable operation of the lithium iron phosphate battery 6;

[0026] The lithium iron phosphate battery 6 is fixed to the top cathode anode joint 7, which ensures the stability of the cathode anode joint 7, and the inner side of the cathode anode joint 7 is movably connected with the fastener 8 through a thread, and the fastener 8 is movably connected with the outer side conductive assembly, thereby ensuring the close connection of the conductive assembly.

[0027] The conductive assembly comprises a conductive wire 9 installed on the outer side of the fastener 8, and an insulating layer 10 is installed on the outer side of the conductive wire 9;

[0028] The conductive wire 9 in the conductive assembly is fixedly connected with the insulating layer 10, the insulating layer 10 improves the insulation performance of the conductive wire 9, and the conductive wire 9 connects the cathode anode joint 7 together, thereby ensuring power transmission.

[0029] The upper limiting frame 11 is installed above the lithium iron phosphate battery 6, a plurality of through grooves 12 are formed in the inner side of the upper limiting frame 11, an extrusion pad 13 is installed on the inner side top wall of the through groove 12, the extrusion pad 13 abuts against the upper side of the lithium iron phosphate battery 6, a limiting block 14 is installed on the top of the upper limiting frame 11, and the limiting block 14 is located on the outer side of the through groove 12;

[0030] The lithium iron phosphate battery 6 is supported by the top upper limiting frame 11, the inner side of the upper limiting frame 11 is provided with the through groove 12, the cathode anode joint 7 passes through the inner side of the through groove 12, the through groove 12 limits the cathode anode joint 7, the upper limiting frame 11 fixes the limiting block 14, the limiting block 14 abuts against the upper side of the lithium iron phosphate battery 6, thereby ensuring the stability of the lithium iron phosphate battery 6, and the lithium iron phosphate battery 6 stably stores electric energy.

[0031] The outer side of the limiting block 14 movably installs a top cover 18, the top cover 18 is installed above the box body 1, and an embedded plate 17 is installed on the bottom of the top cover 18 and embedded into the inner side top wall of the box body 1;

[0032] The box body 1 limits the top embedded plate 17, the embedded plate 17 is fixed with the top cover 18, the top cover 18 remains stable, the top cover 18 is assembled with the box body 1, thereby ensuring the closed structure, the top cover 18 cooperates with the box body 1 to protect the internal battery pack, thereby ensuring the safety of the battery pack, and the top cover 18 is installed above the lithium iron phosphate battery 6, thereby ensuring the safety of the lithium iron phosphate battery 6.

[0033] The working principle is that the inner side of the lower supporting frame 3 is provided with a limiting groove 4, the limiting groove 4 is sleeved on the outer side of the clamping piece 2, the limiting installation of the lower supporting frame 3 is realized, the stability of the lower supporting frame 3 is ensured, the inner side of the lower supporting frame 3 is limited to the lithium iron phosphate battery 6 through the limiting groove 4, the anti-skid pad 5 is fixed on the inner side of the limiting groove 4, the anti-skid pad 5 supports the top lithium iron phosphate battery 6, the friction force is increased through the anti-skid pad 5, the stable operation of the lithium iron phosphate battery 6 is ensured, the lithium iron phosphate battery 6 fixes the top cathode and anode joint 7, the stability of the cathode and anode joint 7 is ensured, the inner side of the cathode and anode joint 7 is movably connected with the fastener 8 through a thread, the fastener 8 is movably connected with the outer side conductive assembly, the close connection of the conductive assembly is ensured, the conductive wire 9 in the conductive assembly is fixedly connected with the insulating layer 10, the insulating performance of the conductive wire 9 is improved, the conductive wire 9 connects the cathode and anode joint 7 together, and the power transmission is ensured.

[0034] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalents of the claims are intended to be embraced therein. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A lithium iron phosphate battery pack characterized by, The utility model relates to a lithium iron phosphate battery box, including: Box (1), the inner side bottom wall of box (1) is equipped with card piece (2), the inner side bottom wall of box (1) is equipped with lower support frame (3), the inner side of lower support frame (3) is equipped with a plurality of limiting slot (4), card piece (2) is embedded to the inner side of limiting slot (4), the inner side of limiting slot (4) is equipped with antiskid pad (5), the top of antiskid pad (5) is movably installed with lithium iron phosphate battery (6), the top of lithium iron phosphate battery (6) is equipped with cathode anode joint (7), the outer side of lower support frame (3) is movably installed with connecting bolt (15) through screw thread, the outer side of lower support frame (3) is movably installed with connecting plate (16) through connecting bolt (15), second group connecting bolt (15) is installed in the inner side of connecting plate (16) and is penetrated, the top of cathode anode joint (7) is movably installed with fastener (8) through screw thread, and the outer side of fastener (8) is equipped with conductive assembly.

2. The lithium iron phosphate battery of claim 1, wherein: The conductive assembly includes a conductive wire (9) mounted on the outer side of the fastener (8), and an insulating layer (10) mounted on the outer side of the conductive wire (9).

3. The lithium iron phosphate battery of claim 1, wherein: The lithium iron phosphate battery (6) is installed above an upper limiting frame (11).

4. The lithium iron phosphate battery of claim 3, wherein: The inner side of the upper limiting frame (11) is provided with a plurality of through grooves (12), and the inner side top wall of the through grooves (12) is provided with a compression pad (13).

5. The lithium iron phosphate battery of claim 4, wherein: The top of the upper limiting frame (11) is provided with a limiting block (14), and the limiting block (14) is located outside the through groove (12).

6. The lithium iron phosphate battery of claim 5, wherein: The outer side of the limiting block (14) is movably installed with a top cover (18), and the top cover (18) is installed above the box (1).

7. A lithium iron phosphate battery as claimed in claim 6, wherein: The bottom of the top cover (18) is provided with an embedded plate (17), and the embedded plate (17) is embedded into the inner side top wall of the box (1).

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