End-locked anti-drop lithium battery pack

Abstract

The utility model discloses an end-locked anti-drop lithium battery pack, which comprises a lithium battery block, the top of the lithium battery block is provided with an electrode plate and a connecting wire, a bolt piece is jointly arranged between the end part of the connecting wire and the electrode plate, the top of the lithium battery block is fixedly provided with a cylindrical box, and the cylindrical box is fixedly connected with the connecting wire. A rectangular block is fixedly connected to the surface of the connecting line, a round hole is formed in the surface of the rectangular block, and a sliding rod is slidably connected to the inner wall of the cylindrical box. According to the utility model, the cylindrical block is used for locking the inner cavity of the round hole, so that the sliding rod can limit the rectangular block in the vertical direction, and the lithium battery block can limit the end part of the connecting wire in the vertical direction, so that the end of the connecting wire can be limited, and the phenomenon that the connecting wire shakes due to external force to drive the end to vibrate is avoided; therefore, the locking stability of the bolt to the end is guaranteed, and the purpose of guaranteeing the excellent conductivity of the joint is further achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium battery packs, in particular to a lithium battery pack with end locking and anti-detachment. Background Art

[0002] Lithium batteries are batteries that use lithium metal or lithium alloy as positive / negative electrode materials and non-aqueous electrolyte solutions. The chemical properties of lithium metal are very active, which makes the processing, storage, and use of lithium metal very demanding on the environment. Lithium battery packs are composed of multiple lithium battery blocks connected in series through wires.

[0003] When a lithium battery pack is in use, the terminal ends of the connecting wires and the electrodes are mostly fixed by bolts. The bolts may become loose due to environmental vibrations or external forces, resulting in poor conductivity at the connection points. Therefore, there is a need for an end-locking and anti-loosening lithium battery pack that can limit the terminal ends of the connecting wires to prevent the terminal from vibrating due to shaking of the connecting wires caused by external forces, thereby ensuring the stability of the bolt locking of the terminal and further ensuring excellent conductivity at the connection points. Utility Model Content

[0004] The purpose of the present utility model is to provide a lithium battery pack with end locking and anti-detachment, which limits the end of the connecting wire to prevent the shaking of the connecting wire caused by external force and the vibration of the end, thereby ensuring the stability of the bolt locking the end, and further ensuring the excellent conductivity of the connection, so as to solve the technical problems raised by the above-mentioned background technology.

[0005] The technical solution of the utility model for solving the above-mentioned technical problems is as follows: an end-locking and anti-detachment lithium battery pack, which includes a lithium battery block: an electrode sheet is installed on the top of the lithium battery block and a connecting wire is provided, a bolt member is installed between the end of the connecting wire and the electrode sheet, a cylindrical box is fixedly installed on the top of the lithium battery block, the surface of the connecting wire is fixedly connected to a rectangular block, a circular hole is provided on the surface of the rectangular block, a sliding rod is slidably connected to the inner wall of the cylindrical box, the end of the sliding rod extends to the inner cavity of the circular hole and is fixedly connected to the cylindrical block, the bottom of the rectangular block is provided with a rectangular opening adapted to the cylindrical block, a circular plate is fixedly installed on the surface of the sliding rod, and a spring is fixedly connected between the circular plate and the inner wall of the cylindrical box.

[0006] Preferably, the diameter of the cylindrical block is adapted to the inner diameter of the circular hole.

[0007] Preferably, the end of the sliding rod is fixedly connected to a pressing block.

[0008] Preferably, corner protectors are bonded to the surface of the lithium battery block, and the corner protectors are rubber pads.

[0009] Preferably, an elastic washer is sleeved on the surface of the bolt member, and the elastic washer fits with the end of the connecting line.

[0010] The beneficial effects of the utility model are:

[0011] 1. The utility model locks the inner cavity of the circular hole by the cylindrical block, so that the slide bar can limit the rectangular block in the vertical direction, thereby allowing the lithium battery block to limit the end of the connecting wire in the vertical direction, thereby limiting the end of the connecting wire and preventing the shaking of the connecting wire caused by external force from driving the end to vibrate, thereby ensuring the stability of the bolt locking the end, and further ensuring the purpose of excellent conductivity of the connection;

[0012] 2. The utility model increases the force-bearing area of ​​the end of the slide bar by setting the pressing block, thus avoiding the occurrence of finger pain when the user directly presses the slide bar;

[0013] 3. The utility model provides padding for the outer side of the lithium battery pack by setting the corner guard, thus preventing the lithium battery pack from being damaged by collision with the outside during transportation;

[0014] 4. The utility model increases the friction on the surface of the bolt by providing the elastic washer, thus preventing the bolt from loosening and falling off due to external force vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] in:

[0016] Figure 1 This is a structural diagram of an embodiment of the utility model;

[0017] Figure 2 This is an embodiment of the utility model Figure 1 A partial enlarged view of point A;

[0018] Figure 3 This is a three-dimensional schematic diagram of a circular plate and a spring of the present invention.

[0019] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0020] 1. Lithium battery block, 2. Electrode sheet, 3. Connecting wire, 4. Bolt, 5. Cylindrical box, 6. Rectangular block, 7. Round hole, 8. Slide rod, 9. Cylindrical block, 10. Rectangular opening, 11. Round plate, 12. Spring, 13. Press block, 14. Corner guard, 15. Elastic washer. DETAILED DESCRIPTION

[0021] Hereinafter, an embodiment of a lithium battery pack with terminal locking and anti-dropping function according to the present invention will be described with reference to the accompanying drawings.

[0022] Example 1:

[0023] Figure 1-3 The present invention shows an embodiment of an end-locking anti-detachment lithium battery pack, which includes a lithium battery block 1: an electrode sheet 2 is installed on the top of the lithium battery block 1 and a connecting wire 3 is provided, a bolt 4 is installed between the end of the connecting wire 3 and the electrode sheet 2, a cylindrical box 5 is fixedly installed on the top of the lithium battery block 1, a rectangular block 6 is fixedly connected to the surface of the connecting wire 3, a circular hole 7 is opened on the surface of the rectangular block 6, a slide rod 8 is slidably connected to the inner wall of the cylindrical box 5, and the end of the slide rod 8 extends to the inner cavity of the circular hole 7 and It is fixedly connected with a cylindrical block 9, the diameter of which is matched with the inner diameter of the circular hole 7, and a rectangular opening 10 matched with the cylindrical block 9 is opened at the bottom of the rectangular block 6. A circular plate 11 is fixedly installed on the surface of the slide rod 8, and a spring 12 is fixedly connected between the circular plate 11 and the inner wall of the cylindrical box 5. The end of the slide rod 8 is fixedly connected with a pressing block 13. Through the setting of the pressing block 13, the force area of ​​the end of the slide rod 8 is increased, thereby avoiding the occurrence of finger pain when the user directly presses the slide rod 8.

[0024] Example 2:

[0025] Figure 1-3 The present invention shows an embodiment of an end-locking anti-detachment lithium battery pack, which includes a lithium battery block 1: an electrode sheet 2 is installed on the top of the lithium battery block 1 and a connecting wire 3 is provided, a bolt 4 is installed between the end of the connecting wire 3 and the electrode sheet 2, a cylindrical box 5 is fixedly installed on the top of the lithium battery block 1, a rectangular block 6 is fixedly connected to the surface of the connecting wire 3, a circular hole 7 is opened on the surface of the rectangular block 6, a slide rod 8 is slidably connected to the inner wall of the cylindrical box 5, the end of the slide rod 8 extends to the inner cavity of the circular hole 7 and is fixedly connected to a cylindrical block 9, a rectangular opening 10 adapted to the cylindrical block 9 is opened at the bottom of the rectangular block 6, and the slide rod 8 A circular plate 11 is fixedly installed on the surface of the cylindrical box 5, and a spring 12 is fixedly connected between the circular plate 11 and the inner wall of the cylindrical box 5. A corner protector 14 is bonded to the surface of the lithium battery block 1. The corner protector 14 is a rubber pad. Through the setting of the corner protector 14, the outer side of the lithium battery block 1 is padded to prevent the lithium battery block 1 from being damaged by collision with the outside world during transportation. An elastic washer 15 is provided on the surface of the bolt member 4. The elastic washer 15 fits with the end of the connecting line 3. Through the setting of the elastic washer 15, the friction on the surface of the bolt member 4 is increased, and the bolt member 4 is prevented from loosening and falling off due to external force vibration.

[0026] Working principle: When the present invention is used, the user drives the cylindrical block 9 to move by pressing the slide bar 8. At this time, the slide bar 8 compresses the spring 12 through the circular plate 11, and then the rectangular block 6 is moved downward by holding the connecting wire 3. During this process, the slide bar 8 enters the circular hole 7 through the rectangular opening 10, and then the slide bar 8 is loosened, so that the rebound force of the spring 12 drives the cylindrical block 9 into the circular hole 7 through the circular plate 11 and the slide bar 8. The cylindrical block 9 locks the inner cavity of the circular hole 7, so that the slide bar 8 can limit the rectangular block 6 in the vertical direction, thereby allowing the lithium battery block 1 to limit the end of the connecting wire 3 in the vertical direction. Subsequently, the end of the connecting wire 3 is fixed between the electrode sheet 2 by the bolt part 4, thereby realizing the limitation of the end of the connecting wire, avoiding the shaking of the connecting wire caused by external force and driving the end to vibrate, thereby ensuring the stability of the bolt locking the end, and then ensuring the excellent conductivity of the connection.

[0027] To sum up: the end-locking and anti-detachment lithium battery pack, through the locking of the cylindrical block 9 to the inner cavity of the circular hole 7, enables the slide rod 8 to limit the rectangular block 6 in the vertical direction, so that the lithium battery block 1 can limit the end of the connecting line 3 in the vertical direction, thereby achieving the purpose of limiting the end of the connecting line, avoiding the shaking of the connecting line caused by external force and driving the vibration of the end, thereby ensuring the stability of the bolt locking the end, and then ensuring the purpose of excellent conductivity of the connection.

Claims

1. A lithium battery pack with end locking and anti-dropping function, characterized in that: The invention comprises a lithium battery block (1): an electrode sheet (2) is installed on the top of the lithium battery block (1) and a connecting wire (3) is provided, a bolt (4) is installed between the end of the connecting wire (3) and the electrode sheet (2), a cylindrical box (5) is fixedly installed on the top of the lithium battery block (1), a rectangular block (6) is fixedly connected to the surface of the connecting wire (3), a circular hole (7) is provided on the surface of the rectangular block (6), a slide rod (8) is slidably connected to the inner wall of the cylindrical box (5), the end of the slide rod (8) extends to the inner cavity of the circular hole (7) and is fixedly connected to the cylindrical block (9), a rectangular opening (10) adapted to the cylindrical block (9) is provided at the bottom of the rectangular block (6), a circular plate (11) is fixedly installed on the surface of the slide rod (8), and a spring (12) is fixedly connected between the circular plate (11) and the inner wall of the cylindrical box (5).

2. The end-locking and anti-dropping lithium battery pack according to claim 1, characterized in that: The diameter of the cylindrical block (9) is adapted to the inner diameter of the circular hole (7).

3. The end-locking and anti-dropping lithium battery pack according to claim 2, characterized in that: The end of the slide rod (8) is fixedly connected to a pressing block (13).

4. The end-locking and anti-dropping lithium battery pack according to claim 3, characterized in that: Corner protectors (14) are bonded to the surface of the lithium battery block (1), and the corner protectors (14) are rubber pads.

5. The end-locking and anti-dropping lithium battery pack according to claim 4, characterized in that: An elastic washer (15) is sleeved on the surface of the bolt member (4), and the elastic washer (15) fits the end of the connecting line (3).

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