Flexible package lithium ion battery

Abstract

The utility model provides a flexible package lithium ion battery, which relates to the technical field of lithium ion batteries, and comprises a battery main body and an electrode plate arranged at the end part of the battery main body, the protection assembly comprises buffer parts arranged on the surfaces of the two sides of the battery main body and rolling parts arranged on the buffer parts and used for enabling sundries falling on the surface of the battery main body to rapidly roll down, and the shielding assembly is arranged at the end part of the battery main body and used for protecting an electrode plate on the battery main body, and the end part of the battery main body is also provided with a limiting part for fixing the shielding assembly. According to the flexible package lithium ion battery, the battery main body and the electrode plates on the battery main body can be shielded and protected when the battery is carried, so that the battery main body is prevented from being damaged when being touched by foreign objects during transportation and storage, and the service life of the flexible package lithium ion battery can be prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium ion battery technical field, specifically, relate to a soft package lithium ion battery. BACKGROUND

[0002] Lithium ion battery is a kind of rechargeable battery, it mainly relies on lithium ion to move between positive and negative to work, in the process of charging and discharging, lithium ion is embedded and de-embedded between two electrodes, when charging, lithium ion is de-embedded from positive, embedded in negative through electrolyte, negative is in the state of lithium enrichment, when discharging, it is contrary, part of existing lithium ion battery uses colloidal polymer as electrolyte, this polymer lithium ion battery has the advantages such as thin, arbitrary area and arbitrary shape, therefore, soft package is used to manufacture battery shell, the specific capacity of battery can be improved.

[0003] The existing soft package lithium ion battery is easy to collide with other batteries or fall to the ground and be damaged during carrying, in addition, the electrode sheet of lithium ion battery is exposed during storage, and damage is easy to occur if it is collided by foreign matter, thereby the service life of lithium ion battery is reduced. UTILITY MODEL CONTENT

[0004] The utility model aims at: for the existing soft package lithium ion battery in the process of carrying, it is easy to be damaged because of mutual collision and the electrode sheet is easy to be damaged by external touch because of long-term exposure.

[0005] In order to realize the above-mentioned invention purpose, the utility model provides the following technical scheme:

[0006] A kind of soft package lithium ion battery, including battery main body and the electrode sheet being set in the end of battery main body, further including:

[0007] Protective assembly, the protective assembly includes the buffer component being set in the surface of both sides of battery main body and the rolling component for making sundries that fall to the surface of battery main body quickly roll down being set on buffer component;

[0008] Shielding assembly, the shielding assembly is set in the end of battery main body, for protecting the electrode sheet on battery main body, wherein, the end of battery main body is further equipped with the limiting component for fixing shielding assembly.

[0009] As the preferred technical scheme of the application, the buffer component includes the buffer pad being set in the surface of both sides of battery main body and the sliding surface gradually inclined from the top of buffer pad to both sides from the middle.

[0010] As a preferred technical scheme of the present application, the rolling component comprises a mounting groove formed in the sliding surface, a plurality of rotating shafts arranged in the inner wall of the mounting groove, and a rubber cylinder sleeved on the rotating shaft rod wall.

[0011] As a preferred technical scheme of the present application, the shielding assembly comprises a sealing cover, a clamping block arranged at the bottom of the sealing cover, and a clamping groove formed at the end of the battery body and matched with the clamping block.

[0012] As a preferred technical scheme of the present application, the limiting component comprises a box arranged at the end of the battery body, a limiting block slidingly arranged in the side wall of the box, a partition plate arranged in the inner wall of the box, and a spring arranged between the limiting block and the partition plate, and the side wall of the sealing cover is provided with a limiting groove matched with the limiting block.

[0013] As a preferred technical scheme of the present application, the limiting component further comprises a knob rotatingly arranged at the top of the box, a reel arranged at one end of the knob inside the box, and a pull rope arranged between the limiting block and the reel and penetrating through the partition plate.

[0014] As a preferred technical scheme of the present application, the corner of the battery body is provided with a rubber sleeve, and a plurality of protection grooves are formed in the two sides of the battery body.

[0015] Compared with the prior art, the present application has the following advantages:

[0016] 1. By arranging the protection assembly, when carrying or storing the battery body, if the battery bodies collide with each other or foreign matter falls on the battery body, the battery body can be shielded and buffered by the buffer pad, and by arranging the inclined sliding surface, cooperating with the rotating shaft and the rubber cylinder arranged on the sliding surface, the battery body can be further protected, and the foreign matter can be quickly rolled away from the battery body, solving the problem of mutual collision or damage of the battery body caused by foreign matter impact in the prior art.

[0017] 2. By arranging the shielding assembly, when the battery body is not in use, the sealing cover can be clamped at the end of the battery body to shield and protect the electrode sheet, and by arranging the locking assembly, the sealing cover clamped at the end of the battery body can be fixed, improving the stability of the sealing cover fixation, solving the problem that the electrode sheet is always exposed outside during storage of the battery body in the prior art, which is easy to be damaged by external touch. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure diagram of the present application;

[0019] Figure 2 It is the bottom view structure diagram of the present application;

[0020] Figure 3 It is the partial split structure diagram of the utility model;

[0021] Figure 4 It is the sectional view structure diagram of the utility model;

[0022] Figure 5 It is the partial split structure diagram of the utility model; Figure 4 It is the enlarged structure diagram of A place in the middle.

[0023] Indicated in the figure:

[0024] 1, battery main body;101, clamping groove;2, buffer pad;3, rolling component;301, rotating shaft;302, rubber cylinder;4, shielding assembly;401, sealing cover;4011, limiting groove;402, clamping block;5, electrode sheet;6, limiting component;601, box body;602, knob;603, reel;604, pull rope;605, partition;606, spring;607, limiting block;7, rubber sleeve. Specific implementation

[0025] To make the purpose, technical scheme and advantage of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be described clearly and completely below with reference to the drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment.

[0026] As Figures 1 to 3 shown, the embodiment proposes a soft package lithium ion battery, including battery main body 1 and electrode sheet 5 set at the end of battery main body 1, also including protection assembly and shielding assembly 4, protection assembly includes buffer component set at the surface of both sides of battery main body 1 and rolling component 3 set on buffer component for making the sundries falling to the surface of battery main body 1 roll quickly, shielding assembly 4 is set at the end of battery main body 1, for protecting electrode sheet 5 on battery main body 1, wherein, the end of battery main body 1 is also provided with limiting component 6 for fixing shielding assembly 4;

[0027] When lithium ion battery main body 1 is carried or stored, if battery main body 1 collides with each other, or sundries fall on battery main body 1, through the buffer component set, battery main body 1 can be buffered and protected, and through the rolling component 3 set, the sundries can be rolled quickly, and the battery main body 1 colliding with each other can be rolled quickly and separated, the protection effect of battery main body 1 is improved, in addition, the shielding assembly 4 set can be clamped at the end of battery main body 1 to shield and protect electrode sheet 5, and the limiting component 6 set is used for fixing the shielding assembly 4 after clamping, further improve the protection effect of battery main body 1, so as to improve the service life of battery main body 1.

[0028] AsFigure 2 and Figure 3 As shown in the preferred embodiment, on the basis of the above-mentioned mode, further, the buffer component comprises the buffer pad 2 arranged on both sides of the battery body 1 and the sliding surface arranged on the top of the buffer pad 2 and gradually inclined from the middle to both sides;

[0029] The rolling component 3 comprises the mounting groove arranged on the surface of the sliding surface, the rotating shaft 301 arranged on the inner wall of the mounting groove, and the rubber cylinder 302 sleeved on the rod wall of the rotating shaft 301;

[0030] When the battery body 1 collides or the sundries fall on the battery body 1, the buffer pad 2 can be arranged to buffer and protect the battery body 1, and the inclined sliding surface can make the sundries quickly slide off the battery body 1. In addition, when the sundries fall on the buffer pad 2, the sundries will first contact the rubber cylinder 302, and the rubber cylinder 302 can further buffer and protect the battery body 1. The friction force of the rubber cylinder 302 under stress can rotate through the rotating shaft 301, so as to make the sundries quickly roll off the battery body 1, and further improve the protection effect of the battery body 1.

[0031] As shown in Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown in the preferred embodiment, on the basis of the above-mentioned mode, further, the shielding assembly 4 comprises the sealing cover 401, the clamping block 402 arranged on the bottom of the sealing cover 401, and the clamping groove 101 arranged on the end of the battery body 1 and matched with the clamping block 402;

[0032] The limiting component 6 comprises the box body 601 arranged on the end of the battery body 1, the limiting block 607 slidingly arranged on the side wall of the box body 601, the partition plate 605 arranged on the inner wall of the box body 601, and the spring 606 arranged between the limiting block 607 and the partition plate 605. The limiting groove 4011 matched with the limiting block 607 is arranged on the side wall of the sealing cover 401;

[0033] The limiting component 6 further comprises the knob 602 rotatingly arranged on the top of the box body 601, the reel 603 arranged on the one end of the knob 602 inside the box body 601, and the pull rope 604 arranged between the limiting block 607 and the reel 603 and penetrating through the partition plate 605;

[0034] When the battery body 1 is stored for non-use, the sealing cover 401 can be clamped into the clamping groove 101 at the end of the battery body 1 through the clamping block 402, so that the sealing cover 401 seals the electrode sheet 5. When the sealing cover 401 first contacts the limiting block 607, the limiting block 607 is extruded into the box body 601 and the spring 606 is compressed. When the sealing cover 401 completely covers the electrode sheet 5, the limiting groove 4011 on the side wall of the sealing cover 401 moves to a position flush with the limiting block 607. At this time, the spring 606 is relieved of stress and drives the limiting block 607 to rebound into the limiting groove 4011 to fix the sealing cover 401. Thus, the sealing cover 401 can be automatically fixed after being clamped at the end of the battery body 1, improving the stability of the sealing cover 401. Thus, the electrode sheet 5 of the battery body 1 can be protected, preventing the electrode sheet 5 from being damaged by external contact. When the battery body 1 needs to be used, the reel 603 can be rotated by rotating the knob 602, and the limiting block 607 can be pulled back into the box body 601 to disengage the limiting groove 4011. At this time, the sealing cover 401 is loosened, and the sealing cover 401 can be removed from the battery body 1 to expose the electrode sheet 5, facilitating the use of the battery body 1. It should be noted that the end of the limiting block 607 away from the box body 601 is triangular, so that the limiting block 607 can be stably extruded into the box body 601 when the bottom of the sealing cover 401 contacts the end of the limiting block 607.

[0035] As shown in Figure 1 , Figure 2 and Figure 3 , as a preferred embodiment, on the basis of the above-mentioned mode, further, the corner of the battery body 1 is provided with a rubber sleeve 7, and a plurality of protection grooves are formed on both sides of the battery body 1. If the battery body 1 falls to the ground, the rubber sleeve 7 can protect the corners of the battery body 1, and the buffer pad 2 can protect the surface of the battery body 1, so that the battery body 1 can be prevented from being damaged when falling. The anti-skid groove facilitates the handling of the battery body 1.

[0036] The utility model discloses a working principle: when lithium ion battery main body 1 is carried or deposited, if the mutual collision of battery main body 1 occurs, or the sundries fall on battery main body 1, through the buffer pad 2 of setting, you can buffer protection to battery main body 1, in addition, sundries fall on the buffer pad 2, will first contact with rubber cylinder 302, through the rubber cylinder 302 of setting, can further buffer protection to battery main body 1, rubber cylinder 302 stress friction force will through the rotation of pivot 301, thereby can make sundries fast rolling and separate from battery main body 1, further improve the effect of protection to battery main body 1. When battery main body 1 is deposited and is not used, can be sealed cover 401 is clamped into the clamping groove 101 in the end of battery main body 1 through the clamping block 402, makes sealed cover 401 will electrode sheet 5 shelter seal, and when sealed cover 401 completely covers electrode sheet 5, spring 606 stress removal will drive limiting block 607 rebound into limiting slot 4011 and fix sealed cover 401, thereby can be fixed after sealed cover 401 is clamped in the end of battery main body 1, improve the stability of sealed cover 401 fixed, thereby can protect the electrode sheet 5 of battery main body 1, prevent electrode sheet 5 from being exposed to the outside and being damaged by external object, and when battery main body 1 needs to be used, can rotate knob 602 and drive reel 603 rotation and wind up pull rope 604, pull rope 604 will limiting block 607 pull back into box 601 and separate from limiting slot 4011, at this time, sealed cover 401 is loosened, and personnel can take sealed cover 401 from battery main body 1 and expose electrode sheet 5, and battery main body 1 is used conveniently.

[0037] The above embodiments are only used to illustrate the utility model and not limit the technical solutions described in the utility model. Although the utility model has been described in detail with reference to the above embodiments, the utility model is not limited to the above specific embodiments, and any modification or equivalent replacement of the utility model is included. All technical solutions and improvements within the spirit and scope of the invention are covered by the claims of the utility model.

Claims

1. A soft-packaged lithium-ion battery comprising a battery main body (1) and an electrode tab (5) provided at an end portion of the battery main body (1), characterized in that, Also include: The protection assembly includes the buffer components arranged on both sides of the battery body (1) and the rolling components (3) arranged on the buffer components for quickly rolling the sundries falling on the surface of the battery body (1); The shielding assembly (4) is arranged at the end of the battery body (1) for protecting the electrode sheet (5) on the battery body (1), wherein the end of the battery body (1) is further provided with a limiting component (6) for fixing the shielding assembly (4).

2. The soft-packaged lithium-ion battery of claim 1, wherein, The buffer component includes the buffer pad (2) arranged on both sides of the battery body (1) and the sliding surface gradually inclined from the middle to both sides on the top of the buffer pad (2).

3. The soft-packaged lithium-ion battery of claim 2, wherein, The rolling component (3) includes the mounting groove opened on the surface of the sliding surface, the rotating shaft (301) arranged on the inner wall of the mounting groove, and the rubber cylinder (302) sleeved on the rod wall of the rotating shaft (301).

4. The soft-packaged lithium-ion battery of claim 1, wherein, The shielding assembly (4) includes the sealing cover (401), the clamping block (402) arranged on the bottom of the sealing cover (401), and the clamping groove (101) opened on the end of the battery body (1) and matched with the clamping block (402).

5. The soft-packaged lithium-ion battery of claim 4, wherein, The limiting component (6) includes the box body (601) arranged on the end of the battery body (1), the limiting block (607) slidingly arranged on the side wall of the box body (601), the partition plate (605) arranged on the inner wall of the box body (601), and the spring (606) arranged between the limiting block (607) and the partition plate (605), and the limiting groove (4011) is opened on the side wall of the sealing cover (401) and matched with the limiting block (607).

6. The soft-packaged lithium-ion battery of claim 5, wherein, The limiting component (6) further includes the knob (602) rotatably arranged on the top of the box body (601), the reel (603) arranged on one end of the knob (602) inside the box body (601), and the pull rope (604) arranged between the limiting block (607) and the reel (603) and passing through the partition plate (605).

7. The soft-packaged lithium-ion battery of claim 1, wherein, The rubber sleeve (7) is arranged at the corner of the battery body (1), and a plurality of protection grooves are opened on both sides of the battery body (1).

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