Lithium battery structure with flexible package

Abstract

The utility model relates to the technical field of lithium batteries, in particular to a flexibly packaged lithium battery structure, which comprises a battery box, a battery fixing frame and batteries, the batteries are mounted in the battery fixing frame, a plurality of battery mounting grooves are arranged on the inner wall of the battery box, and a combined structure of the battery fixing frame and the batteries is mounted on the battery mounting grooves. According to the lithium battery structure with the flexible package, the T-shaped slot is formed in the battery box for mounting the battery and is matched with a battery fixing frame structure on the battery, so that the battery with the flexible package can be stably mounted and fixed in the battery box, and meanwhile, a simple plugging, rotating and clamping manner is adopted as a mounting method; the battery can be quickly and simply mounted and dismounted, and the use is convenient and efficient.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium batteries, in particular to a soft-packaged lithium battery structure. Background Art

[0002] Soft-pack lithium batteries are just liquid lithium-ion batteries covered with a polymer shell. They are structurally packaged in aluminum-plastic film. In the event of a safety hazard, the soft-pack battery will only bulge and crack at best.

[0003] The current soft-package lithium battery has a soft outer packaging film, which makes it difficult to support and fix it firmly during actual installation, affecting actual use.

[0004] China Patent Network discloses a soft-package lithium battery structure CN218731461U. The utility model uses mechanical assembly structures such as a support frame and a fixing rod to enable the soft-package battery to be stably fixed and installed, and cooperates with the box structure of the outer shell to achieve the requirements of sealing protection.

[0005] However, this mechanical structure is inconvenient to assemble, has a complex structure, and is not convenient enough. Utility Model Content

[0006] The purpose of the utility model is to provide a soft-packaged lithium battery structure, which has the characteristics of simple structure, practicality and convenience, so as to solve the problems raised in the above-mentioned background technology.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a soft-packaged lithium battery structure, comprising a battery box, a battery fixing frame and a battery, the battery being installed in the battery fixing frame, a plurality of battery mounting grooves being provided on the inner wall of the battery box, and the combined structure of the battery fixing frame and the battery being installed on the battery mounting grooves.

[0008] When in use, first install the battery between the upper and lower battery clamps of the battery fixing frame through the fixing strip on the battery, then insert the fastener into the fixing hole and tighten it to fix the battery on the battery fixing frame. After repeatedly assembling multiple combination structures, insert the installation strip into the battery box, cover the snap box cover, and complete the assembly. When you need to take out the battery, you only need to open the snap box cover and take out the battery by plugging and unplugging.

[0009] Preferably, the battery box includes a main box body, a snap-on box cover, a box cover positioning groove and a battery installation groove, the main box body is a box body without an outer wall on the front, the snap-on box cover is a cover door structure with two snap-on structures on each of the upper left and right sides, the box cover positioning groove is arranged at the edges of the upper left and right sides of the main box body, specifically a rectangular protruding through groove structure, the box cover positioning groove is located on the upper and lower inner walls of the main box body, specifically a T-shaped through groove structure, and contacts with the back of the inner wall of the main box body.

[0010] Preferably, the snap-on box cover and the box cover positioning groove are matched and positioned with each other, so that the snap-on box cover can be stably fitted and fixed on the front side of the main box body.

[0011] The installation difficulty of the snap-on box cover is reduced, and multiple positioning structures and snaps can ensure that the installation strength of the snap-on box cover is not affected.

[0012] Preferably, the battery holder includes a battery clamp, a fastener and a mounting strip. The battery holder is a three-sided rectangular frame structure. The battery clamp is arranged on the upper and lower sides and is an elastic clamp structure that expands inward. The fastener is a three-group spring knob structure arranged on the battery clamp for controlling the clamping distance of the battery clamp. The mounting strip is arranged at the upper and lower ends of the battery holder and is a T-shaped long strip structure.

[0013] Preferably, the mounting strip matches the battery mounting slot on the battery box, so that the battery fixing bracket can be freely inserted and removed inside the battery box.

[0014] Allows the battery to be stably installed in the battery box.

[0015] Preferably, the battery includes a battery pouch, a fixing bar and a fixing hole. The battery pouch is the main body of the battery, specifically a liquid lithium-ion battery packaged in an aluminum-plastic film. The fixing bars are arranged at the upper and lower ends of the battery pouch and are made of a hard material, serving as a sealing structure of the battery pouch. The fixing holes are arranged on the fixing bar and are three through-hole structures arranged equidistantly.

[0016] Preferably, when the battery is mounted on the battery fixing frame, the fixing strip is clamped by the battery clamping plate, and the fixing hole is penetrated by the fastener.

[0017] The combined structure of the fixing strip and the fixing hole, the battery clamp and the fastener can be used as a positioning and fastening structure when the battery is installed to prevent the battery from loosening and deflecting.

[0018] Preferably, when the snap-on box cover is installed and fixed on the main box body, the snap-on box cover and the rear inner wall of the main box body will limit the combined structure of the battery fixing frame and the battery in the front-to-back direction.

[0019] The snap-on box cover and the main box body are used as front-to-back direction limiting devices for the combined structure of the battery fixing frame and the battery, so that the installation stability of the combined structure of the battery fixing frame and the battery can be improved without additional means.

[0020] Compared with the prior art, the utility model provides a soft-package lithium battery structure, which has the following beneficial effects: the soft-package lithium battery structure, by arranging a T-shaped slot inside the battery box for installing the battery, cooperates with the battery fixing frame structure on the battery, so that the soft-package battery can be stably installed and fixed inside the battery box; at the same time, due to the use of simple plug-in, rotation and clamping as the installation method, the battery can be quickly and easily installed and disassembled, which is convenient and efficient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional screenshot of the structure of the utility model;

[0022] Figure 2 It is a three-dimensional demonstration diagram of the structure of the utility model;

[0023] Figure 3 This is a three-dimensional demonstration diagram of the combined structure of the battery fixing frame and the battery of the utility model.

[0024] Among them: 1. battery box; 101. main box body; 102. snap-on box cover; 103. box cover positioning slot; 104. battery mounting slot; 2. battery fixing frame; 201. battery clamp; 202. fastener; 203. mounting strip; 3. battery; 301. battery pouch; 302. fixing strip; 303. fixing hole. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-3 The utility model provides a technical solution: a soft-packaged lithium battery structure, including a battery box 1, a battery fixing frame 2 and a battery 3, the battery 3 is installed in the battery fixing frame 2, a plurality of battery mounting grooves 104 are provided on the inner wall of the battery box 1, and the combined structure of the battery fixing frame 2 and the battery 3 is installed on the battery mounting groove 104.

[0027] When in use, first install the battery 3 between the upper and lower battery clamps 201 of the battery fixing frame 2 through the fixing strip 302 on the battery 3, then insert the fastener 202 into the fixing hole 303 and tighten it to fix the battery 3 on the battery fixing frame 2. After repeated assembly to form multiple combined structures, insert the installation strip 203 into the battery box 1, cover the snap box cover 102, and complete the assembly. When it is necessary to take out the battery 3, just open the snap box cover 102 and take out the battery 3 by plugging and unplugging.

[0028] Specifically, the battery box 1 includes a main box body 101, a snap-on box cover 102, a box cover positioning groove 103 and a battery installation groove 104. The main box body 101 is a box body without an outer wall on the front. The snap-on box cover 102 is a cover door structure with two snap-on structures on the upper left and right sides respectively. The box cover positioning groove 103 is arranged at the edges of the upper left and right sides of the main box body 101, specifically a rectangular protruding through groove structure. The box cover positioning groove 103 is located on the upper and lower inner walls of the main box body 101, specifically a T-shaped through groove structure, and contacts with the back of the inner wall of the main box body 101.

[0029] Specifically, the snap-on box cover 102 and the box cover positioning groove 103 are matched and positioned with each other, so that the snap-on box cover 102 can be stably fitted and fixed on the front side of the main box body 101 .

[0030] Through the above technical solution, the difficulty of installing the snap-on box cover 102 is reduced, and multiple positioning structures and snaps can ensure that the installation strength of the snap-on box cover 102 is not affected.

[0031] Specifically, the battery holder 2 includes a battery clamp 201, a fastener 202 and an installation strip 203. The battery holder 2 is a three-sided rectangular frame structure. The battery clamp 201 is arranged on the upper and lower sides and is an elastic clamp structure that expands inward. The fastener 202 is a three-group spring knob structure arranged on the battery clamp 201, which is used to control the clamping distance of the battery clamp 201. The installation strip 203 is arranged at the upper and lower ends of the battery holder 2 and is a T-shaped long strip structure.

[0032] Specifically, the installation strip 203 matches the battery installation slot 104 on the battery box 1 , so that the battery fixing frame 2 can be freely inserted and removed inside the battery box 1 .

[0033] Through the above technical solution, the battery 3 can be stably installed in the battery box 1.

[0034] Specifically, the battery 3 includes a battery pouch 301, a fixing bar 302 and a fixing hole 303. The battery pouch 301 is the main body of the battery 3, specifically a liquid lithium-ion battery packaged in an aluminum-plastic film. The fixing bar 302 is arranged at the upper and lower ends of the battery pouch 301, and is made of a hard material, serving as a sealing structure of the battery pouch 301. The fixing hole 303 is arranged on the fixing bar 302, and is a structure of three through holes arranged equidistantly.

[0035] Specifically, when the battery 3 is mounted on the battery fixing frame 2 , the fixing bar 302 is clamped by the battery clamping plate 201 , and the fastener 202 passes through the fixing hole 303 .

[0036] Through the above technical solution, the combined structure of the fixing bar 302 and the fixing hole 303 and the battery clamp 201 and the fastener 202 can be used as a positioning and fastening structure when the battery 3 is installed to prevent the battery 3 from loosening and deflecting.

[0037] Specifically, when the snap-on box cover 102 is installed and fixed on the main box body 101, the snap-on box cover 102 and the rear inner wall of the main box body 101 will limit the combined structure of the battery fixing frame 2 and the battery 3 in the front-to-back direction.

[0038] Through the above technical solution, the snap-on box cover 102 and the main box body 101 are used as front-to-back direction limiting devices for the combined structure of the battery holder 2 and the battery 3, which can improve the installation stability of the combined structure of the battery holder 2 and the battery 3 without additional means.

[0039] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit thereof, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A soft-packaged lithium battery structure, comprising a battery box (1), a battery fixing frame (2) and a battery (3), characterized in that: The battery (3) is installed in a battery fixing frame (2); a plurality of battery installation grooves (104) are provided on the inner wall of the battery box (1); and the combined structure of the battery fixing frame (2) and the battery (3) is installed on the battery installation grooves (104).

2. A soft-packaged lithium battery structure according to claim 1, characterized in that: The battery box (1) comprises a main box body (101), a snap-on box cover (102), a box cover positioning groove (103) and a battery installation groove (104); the main box body (101) is a box body without an outer wall on the front; the snap-on box cover (102) is a cover door structure with two snap-on structures on the upper left and right sides respectively; the box cover positioning groove (103) is arranged at the edges of the upper left and right sides of the main box body (101), specifically a rectangular protruding through groove structure; the box cover positioning groove (103) is located on the upper and lower inner walls of the main box body (101), specifically a T-shaped through groove structure, and contacts the back of the inner wall of the main box body (101).

3. A soft-packaged lithium battery structure according to claim 2, characterized in that: The snap-on box cover (102) and the box cover positioning groove (103) are matched and positioned with each other, so that the snap-on box cover (102) can be stably fitted and fixed on the front side of the main box body (101).

4. The soft-packaged lithium battery structure according to claim 1, characterized in that: The battery fixing frame (2) comprises a battery clamp (201), a fastener (202) and a mounting strip (203); the battery fixing frame (2) is a three-sided rectangular frame structure; the battery clamp (201) is arranged at the upper and lower sides and is an elastic clamp structure that is expanded inward; the fastener (202) is a three-group spring knob structure arranged on the battery clamp (201) and is used to control the clamping distance of the battery clamp (201); the mounting strip (203) is arranged at the upper and lower ends of the battery fixing frame (2) and is a T-shaped long strip structure.

5. A soft-packaged lithium battery structure according to claim 4, characterized in that: The installation insert (203) matches the battery installation slot (104) on the battery box (1), so that the battery fixing frame (2) can be freely inserted and removed inside the battery box (1).

6. The soft-packaged lithium battery structure according to claim 1, characterized in that: The battery (3) comprises a battery pouch (301), a fixing bar (302) and a fixing hole (303); the battery pouch (301) is the main body of the battery (3), specifically a liquid lithium-ion battery packaged in an aluminum-plastic film; the fixing bar (302) is arranged at the upper and lower ends of the battery pouch (301), is made of a hard material, and serves as a sealing structure of the battery pouch (301); the fixing hole (303) is arranged on the fixing bar (302), and is a structure of three through holes arranged at equal intervals.

7. A soft-packaged lithium battery structure according to claim 6, characterized in that: When the battery (3) is mounted on the battery fixing frame (2), the fixing strip (302) is clamped by the battery clamping plate (201), and the fixing hole (303) is penetrated by the fastener (202).

8. The soft-packaged lithium battery structure according to claim 3, characterized in that: When the snap-on box cover (102) is installed and fixed on the main box body (101), the snap-on box cover (102) and the rear inner wall of the main box body (101) will limit the combined structure of the battery fixing frame (2) and the battery (3) in the front-rear direction.

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