Lithium iron phosphate battery with protection structure

Abstract

The utility model discloses a lithium iron phosphate battery with a protective structure, which comprises a shell and a battery main body, the bottom of the battery main body is contacted with the bottom of an inner cavity of the shell, and buffer pieces are arranged on two sides of the battery main body. According to the utility model, through the arrangement of the protective seat, the acting force borne by the battery main body can be transmitted to the anti-vibration spring, the counter-acting force of the anti-vibration spring can weaken and offset the acting force borne by the battery main body, the stability of the battery main body in use is improved, and the acting force of the battery main body is transmitted to the fixed column through the protective block; the fixing columns transmit acting force to the damping springs, counter-acting force of the damping springs can weaken and counteract the acting force borne by the battery body, and through operation of the steps, the problems that an existing lithium iron phosphate battery is poor in protection effect and does not have the damping protection function, the lithium iron phosphate battery is collided and damaged due to external force, and the service life of the lithium iron phosphate battery is prolonged are solved. The later use of the lithium iron phosphate battery can be influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium iron phosphate batteries, in particular to a lithium iron phosphate battery with a protection structure. Background Art

[0002] Lithium iron phosphate battery is a lithium-ion battery that uses lithium iron phosphate as the positive electrode material and carbon as the negative electrode material. The rated voltage of the single cell is 3.2V and the charging cut-off voltage is 3.6V~3.65V. The lithium iron phosphate battery 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] The existing lithium iron phosphate batteries have poor protection effects and do not have shock-absorbing protection functions. The lithium iron phosphate batteries may be damaged by collisions due to external forces, which will affect the subsequent use of the lithium iron phosphate batteries and cannot meet usage requirements.

[0004] Therefore, it is necessary to provide a lithium iron phosphate battery with a protective structure to solve the above-mentioned technical problems. The disclosure of the information in this background technology section is only intended to increase the understanding of the overall background of the invention, and is not necessarily regarded as an admission or suggestion in any form that the information constitutes prior art that is already known to ordinary technicians in the field. Utility Model Content

[0005] The purpose of the utility model is to provide a lithium iron phosphate battery with a protective structure, which solves the problem that the existing lithium iron phosphate battery proposed in the above background technology has poor protection effect and does not have shock absorption protection function. The lithium iron phosphate battery may be damaged by collision due to external force, which will affect the later use of the lithium iron phosphate battery and cannot meet the use requirements.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lithium iron phosphate battery with a protective structure, comprising a shell and a battery body, the bottom of the battery body is in contact with the bottom of the inner cavity of the shell, buffers are arranged on both sides of the battery body, a top cover is arranged on the top of the shell, protective grooves are opened on both sides of the bottom of the top cover, a shock-absorbing spring is installed in the inner cavity of the protective groove, a moving plate is installed at the bottom of the shock-absorbing spring, a fixing column is installed at the bottom of the moving plate, the bottom of the fixing column passes through the bottom of the inner cavity of the protective groove, a protective block is installed at the bottom of the fixing column, a flame-retardant rubber pad is adhered to the bottom of the protective block, and the bottom of the flame-retardant rubber pad is in contact with both sides of the top of the battery body;

[0007] The buffer member comprises a buffer frame, the outer side of the inner cavity of the buffer frame is sequentially installed with anti-vibration springs from top to bottom, the inner side of the anti-vibration spring is installed with a protective seat, and the inner side of the protective seat contacts with both sides of the battery body.

[0008] Preferably, guide grooves are provided at the top and bottom of the inner cavity of the buffer frame, guide blocks are slidably connected to the inner cavity of the guide grooves, and the inner sides of the guide blocks are fixed to the top and bottom of the protective seat.

[0009] Preferably, handles are installed on both sides of the top of the top cover, and anti-slip covers are provided on the surfaces of the handles.

[0010] Preferably, mounting seats are installed at the bottom of both sides of the shell, and mounting pins are provided on the front and rear sides of the top of the mounting seats, and the bottom of the mounting pins passes through the bottom of the mounting seat.

[0011] Preferably, a through groove for use with the protective seat is provided on the inner side of the inner cavity of the buffer frame.

[0012] Preferably, the four sides of the bottom of the top cover are fixed to the four sides of the top of the shell by screws.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model can transmit the force applied to the battery body to the anti-vibration spring through the setting of the protective seat, and the reaction force of the anti-vibration spring can weaken and offset the force applied to the battery body, thereby increasing the stability of the battery body when in use. The force applied to the battery body is transmitted to the fixed column through the protective block, and the fixed column transmits the force to the shock-absorbing spring, and the reaction force of the shock-absorbing spring can weaken and offset the force applied to the battery body. Through the operation of the above steps, the problem of the existing lithium iron phosphate battery being poor in protection effect and having no shock-absorbing protection function, and being damaged by collision due to external force, which will affect the later use of the lithium iron phosphate battery and cannot meet the use requirements, is solved.

[0015] 2. The utility model drives the guide block to slide in the inner cavity of the guide groove through the protective seat, which increases the stability of the protective seat when moving, and can make the protective seat move more smoothly without offset or shaking. Through the setting of the mounting seat and the mounting pin, the outer shell and the battery body can be fixed, which is convenient for the later disassembly and maintenance of the outer shell and the battery body. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 This is a cross-sectional view of the shell structure of the utility model;

[0018] Figure 3 This is a cross-sectional view of the structure of the buffer component of the utility model.

[0019] In the figure: 1. outer shell; 2. battery body; 3. buffer; 31. buffer frame; 32. anti-vibration spring; 33. protective seat; 4. top cover; 5. protective groove; 6. shock-absorbing spring; 7. movable plate; 8. fixed column; 9. protective block; 10. guide groove; 11. mounting seat. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0021] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0022] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0023] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0024] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] See also Figure 1-3A lithium iron phosphate battery with a protective structure comprises a shell 1 and a battery body 2, the bottom of the battery body 2 contacts the bottom of the inner cavity of the shell 1, buffer members 3 are arranged on both sides of the battery body 2, a top cover 4 is arranged on the top of the shell 1, and protective grooves 5 are opened on both sides of the bottom of the top cover 4, a shock absorbing spring 6 is installed in the inner cavity of the protective groove 5, a moving plate 7 is installed at the bottom of the shock absorbing spring 6, a fixing column 8 is installed at the bottom of the moving plate 7, the bottom of the fixing column 8 passes through the bottom of the inner cavity of the protective groove 5, a protective block 9 is installed at the bottom of the fixing column 8, a flame retardant rubber pad is adhered to the bottom of the protective block 9, and the bottom of the flame retardant rubber pad contacts both sides of the top of the battery body 2;

[0026] The buffer member 3 includes a buffer frame 31, and the outer side of the inner cavity of the buffer frame 31 is sequentially installed with anti-vibration springs 32 from top to bottom, and the inner side of the anti-vibration spring 32 is installed with a protective seat 33, and the inner side of the protective seat 33 contacts the two sides of the battery body 2;

[0027] The top and bottom of the inner cavity of the buffer frame 31 are provided with guide grooves 10, and the inner cavity of the guide grooves 10 is slidably connected with guide blocks, and the inner sides of the guide blocks are fixed to the top and bottom of the protective seat 33. Through the setting of the protective seat 33, the force applied to the battery body 2 can be transmitted to the anti-vibration spring 32, and the reaction force of the anti-vibration spring 32 can weaken and offset the force applied to the battery body 2, thereby increasing the stability of the battery body 2 when in use;

[0028] Handles are installed on both sides of the top of the top cover 4, and the surface of the handles is provided with anti-slip covers, and the force of the battery body 2 is transmitted to the fixing column 8 through the protective block 9, and the fixing column 8 transmits the force to the shock-absorbing spring 6;

[0029] The bottom of both sides of the housing 1 is provided with a mounting seat 11, and the front and rear sides of the top of the mounting seat 11 are provided with mounting pins, and the bottom of the mounting pin passes through the bottom of the mounting seat 11. The reaction force of the shock-absorbing spring 6 can weaken and offset the force on the battery body 2. Through the operation of the above steps, the existing lithium iron phosphate battery is solved, the protection effect is poor, the shock-absorbing protection function is not provided, the lithium iron phosphate battery will be damaged by collision due to external force, and the later use of the lithium iron phosphate battery will be affected, and the problem of being unable to meet the use requirements is solved;

[0030] A through groove for use with the protective seat 33 is provided on the inner side of the inner cavity of the buffer frame 31. The protective seat 33 drives the guide block to slide in the inner cavity of the guide groove 10, thereby increasing the stability of the protective seat 33 when moving, and making the protective seat 33 move more smoothly without deviation or shaking.

[0031] The four sides of the bottom of the top cover 4 are fixed to the four sides of the top of the outer shell 1 by screws. Through the setting of the mounting seat 11 and the mounting pins, the outer shell 1 and the battery body 2 can be fixed, which is convenient for the later disassembly and maintenance of the outer shell 1 and the battery body 2.

[0032] When in use, the force exerted on the battery body 2 can be transmitted to the anti-vibration spring 32 through the setting of the protective seat 33, and the reaction force of the anti-vibration spring 32 can weaken and offset the force exerted on the battery body 2, thereby increasing the stability of the battery body 2 when in use; the force exerted on the battery body 2 is transmitted to the fixed column 8 through the protective block 9, and the fixed column 8 transmits the force to the shock-absorbing spring 6, and the reaction force of the shock-absorbing spring 6 can weaken and offset the force exerted on the battery body 2; through the operation of the above steps, the problem that the existing lithium iron phosphate battery has poor protection effect and does not have shock-absorbing protection function, and the lithium iron phosphate battery will be damaged by collision due to external force, which will affect the later use of the lithium iron phosphate battery and cannot meet the use requirements is solved; the guide block is driven to slide in the inner cavity of the guide groove 10 through the protective seat 33, thereby increasing the stability of the protective seat 33 when moving, and the protective seat 33 can be moved more smoothly without offset or shaking; through the setting of the mounting seat 11 and the mounting pin, the outer shell 1 and the battery body 2 can be fixed, which is convenient for the later disassembly and maintenance of the outer shell 1 and the battery body 2.

[0033] The standard parts used in this application document can all be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in this field. The utility model is mainly used to protect mechanical devices, so the utility model no longer explains the control method and circuit connection in detail. The peripheral controller mentioned in the specification can control the electrical components mentioned in this article, and the peripheral controller is a conventional known device.

[0034] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0036] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A lithium iron phosphate battery with a protective structure, comprising a housing (1) and a battery body (2), characterized in that: The bottom of the battery body (2) contacts the bottom of the inner cavity of the outer shell (1), buffer parts (3) are arranged on both sides of the battery body (2), a top cover (4) is arranged on the top of the outer shell (1), and protective grooves (5) are opened on both sides of the bottom of the top cover (4), a shock absorbing spring (6) is installed in the inner cavity of the protective groove (5), a movable plate (7) is installed at the bottom of the shock absorbing spring (6), a fixed column (8) is installed at the bottom of the movable plate (7), the bottom of the fixed column (8) passes through the bottom of the inner cavity of the protective groove (5), a protective block (9) is installed at the bottom of the fixed column (8), a flame retardant rubber pad is adhered to the bottom of the protective block (9), and the bottom of the flame retardant rubber pad contacts both sides of the top of the battery body (2); The buffer member (3) comprises a buffer frame (31), the outer side of the inner cavity of the buffer frame (31) is provided with anti-vibration springs (32) in sequence from top to bottom, the inner side of the anti-vibration spring (32) is provided with a protective seat (33), and the inner side of the protective seat (33) is in contact with two sides of the battery body (2).

2. The lithium iron phosphate battery with a protective structure according to claim 1, characterized in that: The top and bottom of the inner cavity of the buffer frame (31) are both provided with guide grooves (10), the inner cavity of the guide groove (10) is slidably connected with a guide block, and the inner side of the guide block is fixed to the top and bottom of the protective seat (33).

3. The lithium iron phosphate battery with a protective structure according to claim 1, characterized in that: Handles are installed on both sides of the top of the top cover (4), and anti-slip covers are provided on the surfaces of the handles.

4. The lithium iron phosphate battery with a protective structure according to claim 1, characterized in that: The bottoms of both sides of the housing (1) are both provided with mounting seats (11), the front and rear sides of the top of the mounting seats (11) are both provided with mounting pins, and the bottoms of the mounting pins penetrate the bottom of the mounting seats (11).

5. The lithium iron phosphate battery with a protective structure according to claim 1, characterized in that: A through groove for use with the protection seat (33) is provided on the inner side of the inner cavity of the buffer frame (31).

6. The lithium iron phosphate battery with a protective structure according to claim 1, characterized in that: The four sides of the bottom of the top cover (4) are fixed to the four sides of the top of the outer shell (1) by screws.

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