Lithium battery protection shell

Abstract

The utility model discloses a lithium battery protection shell, which comprises a protection shell and fixing frames, the back of the protection shell is provided with a plug slot, a plurality of fixing frames are fixedly connected in the plug slot and at the position of a socket, the interior of each fixing frame is provided with an extension slot, the inner wall of each extension slot is fixedly connected with two screw rods II, and the two screw rods II are fixedly connected with two screw rods II. The exteriors of the two second screw rods are in threaded connection with first adjusting nuts correspondingly, and the exteriors of the two second screw rods are movably connected with moving blocks correspondingly. According to the utility model, the two pushing frames are drawn close by screwing the adjusting nuts II, and after the two pushing frames are folded, the adjusting knobs are rotated to drive the two screws II to rotate synchronously by means of the transmission belt, so that the two adjusting nuts I are driven to move forwards in a threaded manner synchronously, and the two pushing frames push the plug to be inserted into the joint. Furthermore, the equipment connecting line plug is stably connected with the lithium battery and cannot fall off due to vibration of equipment, so that the practicability of the lithium battery protection shell is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery shells, in particular to a lithium battery protection shell. Background Art

[0002] Lithium-ion batteries do not contain metallic lithium and are rechargeable. Because of their excellent performance and lower manufacturing costs than other types of batteries, more and more electrical appliance manufacturers choose to purchase and use lithium batteries. Usually, lithium batteries need to be combined and assembled before they can be used. Most of them use adhesive to bond several lithium battery cells to form a battery pack, which is then placed in a protective casing and connected to the equipment.

[0003] Most existing lithium batteries, when installed in various devices for use, have the risk of the connection lines becoming detached due to vibration. This not only causes a sudden power outage and damage to the equipment, but also can lead to more serious accidents when the lithium batteries are used in vehicles.

[0004] Therefore, it is necessary to provide a lithium battery protective shell to solve the above technical problems. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and provides a lithium battery protection shell.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a lithium battery protective shell, including a protective shell and a fixed frame, a plug slot is provided on the back of the protective shell, a plurality of fixed frames are fixedly connected inside the plug slot and at the socket position, an extension slot is provided inside the fixed frame, two screw rods 2 are fixedly connected to the inner wall of the extension slot, the outer parts of the two screw rods 2 are threadedly connected to adjusting nuts 1, the outer parts of the two screw rods 2 are movably connected to moving blocks, one side of the moving block is rotatably connected to adjusting nuts 2, the inner part of the adjusting nuts 2 is threadedly connected to screw 1, one end of the screw 1 is fixedly connected to a pushing frame, the number of the fixed frames corresponds to the actual number of sockets of the lithium battery pack, the extension slot simultaneously penetrates and extends to the outside of the upper and lower sides, both sides and back of the fixed frame, the adjusting nut 1 is limited by the inner wall of the extension slot, and then moves when the rotating screw 2 rotates.

[0007] As a further description of the above technical solution:

[0008] An insertion slot is provided on the top of the fixing frame, the insertion slot is communicated with the extension slot, and the insertion slot is used for inserting and placing the circuit.

[0009] As a further description of the above technical solution:

[0010] The back side of the push frame is provided with an abutment groove for clamping the plug, and the cross section of the abutment groove is a transverse concave shape.

[0011] As a further description of the above technical solution:

[0012] Transmission grooves are provided on both sides of the fixed frame, and a transmission belt is connected to the inside of the transmission groove and the outside of the two screw rods 2 through a transmission member. An adjusting knob is fixedly connected to one end of one of the screw rods 2, and the transmission belt is used to synchronously drive the two screw rods 2 to rotate by rotating the adjusting knob, thereby driving the moving block to move.

[0013] As a further description of the above technical solution:

[0014] A mounting groove is provided on the top of the protective shell, and two rotating shafts are fixedly connected to both sides of the inner wall of the mounting groove. Telescopic rods are rotatably connected between the four rotating shafts, and one end of the two telescopic rods is fixedly connected to a positioning rod. The telescopic rod is an elastic telescopic rod with an elastic structure inside to drive the positioning rod to retract backward and position, and the positioning rod is a long U-shape.

[0015] As a further description of the above technical solution:

[0016] An inner protective shell is arranged inside the installation groove, two positioning grooves are provided on the top of the inner protective shell, a placement groove is provided on the top of the inner protective shell, a lithium battery pack is installed inside the placement groove, and the positioning groove is a semicircular structure for the rotation and clamping of the positioning rod.

[0017] As a further description of the above technical solution:

[0018] A box cover is installed on the top of the protective shell.

[0019] The utility model has the following beneficial effects:

[0020] Compared with the prior art, the lithium battery protective shell, by screwing the adjusting nut 2, brings the two push frames closer together. When the two push frames are closed, the two screws 2 are driven to rotate synchronously with the help of the transmission belt by turning the adjusting knob, and then the two adjusting nuts 1 are driven to move forward threads synchronously, so that the two push frames push the plugs into the connection, thereby making the device connection line plug stably connected to the lithium battery and will not fall off due to the vibration of the device, effectively improving the practicality of the lithium battery protective shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of a lithium battery protective shell proposed by the utility model;

[0022] Figure 2This is a schematic diagram of the structure of a lithium battery protective shell lithium battery pack proposed by the utility model;

[0023] Figure 3 This is a structural schematic diagram of a lithium battery protective housing positioning rod proposed by the utility model;

[0024] Figure 4 This is a structural schematic diagram of a lithium battery protective housing fixing frame proposed by the utility model;

[0025] Figure 5 The utility model is a schematic diagram of the structure of a transmission slot of a lithium battery protective shell.

[0026] Legend:

[0027] 1. Protective shell; 2. Box cover; 3. Positioning slot; 4. Inner protective shell; 5. Placement slot; 6. Lithium battery pack; 7. Installation slot; 8. Rotating shaft; 9. Telescopic rod; 10. Positioning rod; 11. Insertion slot; 12. Fixed frame; 13. Adjusting nut 1; 14. Adjusting nut 2; 15. Screw 1; 16. Moving block; 17. Extension slot; 18. Screw 2; 19. Abutment slot; 20. Push frame; 21. Transmission slot; 22. Transmission belt; 23. Adjustment knob; 24. Plug slot. DETAILED DESCRIPTION

[0028] 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.

[0029] Reference Figure 1-5The utility model provides a lithium battery protective shell: comprising a protective shell 1 and a fixed frame 12, a plug slot 24 is provided on the back of the protective shell 1, a plurality of fixed frames 12 are fixedly connected inside the plug slot 24 and at the socket position, an extension slot 17 is provided inside the fixed frame 12, two screw rods 18 are fixedly connected to the inner wall of the extension slot 17, the outer parts of the two screw rods 18 are both threadedly connected to the adjusting nut 13, the outer parts of the two screw rods 18 are both movably connected to the moving block 16, one side of the moving block 16 is rotatably connected There is an adjusting nut 2 14, the internal thread of the adjusting nut 2 14 is connected to a screw 15, one end of the screw 15 is fixedly connected to a push frame 20, the number of the fixed frames 12 corresponds to the actual number of sockets of the lithium battery pack 6, the extension groove 17 simultaneously penetrates and extends to the outside of the upper and lower sides, both sides and the back of the fixed frame 12, the adjusting nut 2 14 is used to drive the screw 15 to move after rotating, the adjusting nut 13 is limited by the inner wall of the extension groove 17, and then moves when the rotating screw 2 18 rotates to push the moving block 16 to move.

[0030] An insertion slot 11 is formed on the top of the fixing frame 12 . The insertion slot 11 is connected to the extension slot 17 . The insertion slot 11 is used for inserting and placing a circuit.

[0031] The back of the push frame 20 is provided with an abutment groove 19 for clamping the plug. The cross section of the abutment groove 19 is a transverse concave shape and is used for clamping the circuit and the plug connection.

[0032] Transmission grooves 21 are provided on both sides of the fixed frame 12, and a transmission belt 22 is connected to the inside of the transmission groove 21 and the outside of the two screw rods 18 through a transmission member. An adjusting knob 23 is fixedly connected to one end of one of the screw rods 18, and the transmission belt 22 is used to synchronously drive the two screw rods 18 to rotate by rotating the adjusting knob 23, thereby driving the moving block 16 to move.

[0033] A mounting groove 7 is provided at the top of the protective shell 1, and two rotating shafts 8 are fixedly connected to both sides of the inner wall of the mounting groove 7. Telescopic rods 9 are rotatably connected between the four rotating shafts 8. One end of the two telescopic rods 9 is fixedly connected to a positioning rod 10. The telescopic rod 9 is an elastic telescopic rod with an elastic structure inside to drive the positioning rod 10 to retract backward and position. The positioning rod 10 is a long U-shape, which is used to clamp the middle groove position of the lithium battery pack 6 to position and limit the position of the lithium battery pack 6.

[0034] An inner protective shell 4 is arranged inside the installation groove 7, and two positioning grooves 3 are provided on the top of the inner protective shell 4. A placement groove 5 is provided on the top of the inner protective shell 4, and a lithium battery pack 6 is installed inside the placement groove 5. The positioning groove 3 is a semicircular structure, which is used for the rotation and clamping of the positioning rod 10.

[0035] A box cover 2 is installed on the top of the protective shell 1.

[0036] Working principle: When installing the lithium battery protective shell 1, after placing the lithium battery pack 6 inside the inner protective shell 4, the inner protective shell 4 is placed into the protective shell 1, and at the same time, the telescopic rod 9 is extended, and the positioning rod 10 is clamped into the positioning groove 3 on the inner protective shell 4 to position and restrict the lithium battery pack 6;

[0037] After being installed on the device, when the device connection end plug is connected to the lithium battery, first insert the plug into the fixed frame 12, and then screw the adjusting nut 14 to bring the two push frames 20 closer. When the two push frames 20 are closed, the two screws 18 are driven to rotate synchronously by turning the adjusting knob 23 with the help of the transmission belt 22, and then the two adjusting nuts 13 are driven to move forward synchronously, so that the two push frames 20 push the plug into the connection.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A lithium battery protective shell, comprising a protective shell (1) and a fixing frame (12), characterized in that: A plug slot (24) is provided on the back of the protective shell (1), and a plurality of fixed frames (12) are fixedly connected inside the plug slot (24) and at the socket position, and an extension slot (17) is provided inside the fixed frame (12), and two screw rods (18) are fixedly connected to the inner wall of the extension slot (17), and the exteriors of the two screw rods (18) are both threadedly connected to an adjusting nut (13), and the exteriors of the two screw rods (18) are both movably connected to a moving block (16), and one side of the moving block (16) is rotatably connected to an adjusting nut (14), and the interior of the adjusting nut (14) is threadedly connected to a screw rod (15), and one end of the screw rod (15) is fixedly connected to a push frame (20).

2. A lithium battery protective shell according to claim 1, characterized in that: An insertion groove (11) is provided on the top of the fixing frame (12), and the insertion groove (11) is communicated with the extension groove (17).

3. The lithium battery protective shell according to claim 1, characterized in that: The back side of the push frame (20) is provided with an abutment groove (19) for clamping the plug.

4. The lithium battery protective shell according to claim 1, characterized in that: Transmission grooves (21) are provided on both sides of the fixed frame (12), and a transmission belt (22) is connected to the inside of the transmission groove (21) and outside the two screw rods (18) through a transmission member, and an adjustment knob (23) is fixedly connected to one end of one of the screw rods (18).

5. The lithium battery protective shell according to claim 1, characterized in that: The top of the protective shell (1) is provided with a mounting groove (7), and two rotating shafts (8) are fixedly connected to both sides of the inner wall of the mounting groove (7), and telescopic rods (9) are rotatably connected between the four rotating shafts (8), and one end of the two telescopic rods (9) is fixedly connected to a positioning rod (10).

6. A lithium battery protective casing according to claim 5, characterized in that: An inner protective shell (4) is arranged inside the installation groove (7), two positioning grooves (3) are arranged on the top of the inner protective shell (4), a placement groove (5) is arranged on the top of the inner protective shell (4), and a lithium battery pack (6) is installed inside the placement groove (5).

7. The lithium battery protective shell according to claim 1, characterized in that: A box cover (2) is installed on the top of the protective shell (1).

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