New energy lithium battery pack

Abstract

The utility model discloses a new energy lithium battery pack which comprises a shell and a lithium battery pack body, the lithium battery pack body is arranged in the shell, a shell cover is arranged above the shell, supporting frames are fixedly connected to the outer walls of the two ends of the shell, wedge-shaped plates are arranged in the supporting frames, and the wedge-shaped plates are connected with the shell cover. Two symmetrically-arranged connecting blocks are fixedly connected to one side of the wedge-shaped plate, traction rods are rotationally connected to the two connecting blocks correspondingly, a sliding block is rotationally connected to one end of each traction rod, two symmetrically-arranged grooves are formed in the inner side wall of the supporting frame, and sliding rods are fixedly connected to the interiors of the two grooves correspondingly; according to the lithium battery mounting and dismounting device disclosed by the utility model, by adopting the arrangement of the clamping and fixing assembly, a user can conveniently mount and dismount the lithium battery body, so that the time for mounting and dismounting the lithium battery body is shortened, and the efficiency of a worker is improved.

Description

Technical Field

[0001] The utility model relates to the field of lithium battery related products, in particular to a new energy lithium battery pack. Background Art

[0002] Lithium battery refers to a battery containing lithium in the electrochemical system, including metallic lithium, lithium alloys, lithium ions, and lithium polymers. It is suitable for industries such as electric bicycles and electric vehicles. Lithium batteries used in electric vehicles, in particular, are usually lithium battery packs composed of multiple lithium batteries connected in series, which are installed in a casing to form an integral structure to power new energy vehicles.

[0003] However, when the existing new energy lithium battery pack is installed inside the shell, it is connected to the shell through multiple fixings, which makes it inconvenient to install and remove the lithium battery, resulting in inconvenience in use and affecting the efficiency of the staff. Utility Model Content

[0004] The purpose of the utility model is to provide a new energy lithium battery pack to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new energy lithium battery pack, comprising a shell and a lithium battery pack body, the lithium battery pack body is arranged in the shell, a shell cover is arranged on the top of the shell, and a support frame is fixedly connected to the outer walls of both ends of the shell, a wedge plate is arranged in the support frame, one side of the wedge plate is fixedly connected to two symmetrically arranged connecting blocks, both connecting blocks are rotatably connected to a traction rod, one end of the traction rod is rotatably connected to a slider, two symmetrically arranged grooves are arranged on the inner side wall of the support frame, the two grooves are fixedly connected to a sliding rod, the sliding rod is slidably sleeved on the sliding rod, a first spring is sleeved on the sliding rod, the two ends of the first spring are respectively fixedly connected to the sliding rod and the inner wall of the groove, both ends of the shell cover are fixedly connected to the supporting blocks, the bottom of the supporting block is fixedly connected to the plugging plate, the plugging plate is slidably inserted in the support frame, and a card slot corresponding to the wedge plate is arranged on the outer wall of one side of the plugging plate.

[0006] Preferably, a bearing frame is fixedly connected to the bottom of the support frame, a pressure plate is provided inside the bearing frame, and a plurality of second springs are fixedly connected between the bottom of the pressure plate and the bearing frame.

[0007] Preferably, a pull rod is fixedly connected to an outer wall of one side of the wedge-shaped plate, and one end of the pull rod passes through the support frame and is fixedly connected to a pull ring.

[0008] Preferably, the wedge-shaped plate is arranged in a structure that is narrow at the top and wide at the bottom.

[0009] Preferably, a sealing ring is fixedly connected to the bottom of the shell cover, and the sealing ring is made of rubber.

[0010] Preferably, heat dissipation openings are provided on both sides of the shell.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The new energy lithium battery pack protects the lithium battery pack body through the shell. When the shell cover is installed, the plug plates on both ends will be inserted into the support frames on both ends of the shell. At this time, the bottom end of the plug plate will press the wedge plate, and the structural characteristics of the wedge plate will cause the wedge plate to move. At this time, the slider on one end of the traction rod will slide on the slide bar to compress the first spring. After the plug plate is fully inserted, the slot on the plug plate is parallel to the wedge plate. At this time, the first spring in a compressed state causes the slider to move under the action of its own rebound force. At this time, the slider will drive the traction rod to push the wedge plate to be firmly pressed in the slot. The utility model adopts the arrangement of the card connection fixing component to facilitate the user to install and disassemble the lithium battery body, shorten the time for installing and disassembling the lithium battery body, and improve the efficiency of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of a new energy lithium battery pack of the utility model;

[0014] Figure 2 This is an enlarged view of point A of a new energy lithium battery pack of the utility model;

[0015] Figure 3 This is an enlarged view of point B of a new energy lithium battery pack of the utility model.

[0016] In the figure: 1, shell; 2, lithium battery pack body; 3, shell cover; 4, support frame; 5, wedge plate; 6, connecting block; 7, traction rod; 8, slider; 9, slide bar; 10, first spring; 11, support block; 12, plug plate; 13, bearing frame; 14, pressure plate; 15, second spring; 16, pull rod; 17, pull ring; 18, sealing ring. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0018] See also Figure 1-3The utility model provides an embodiment: a new energy lithium battery pack, including a shell 1 and a lithium battery pack body 2, the lithium battery pack body 2 is arranged in the shell 1, a shell cover 3 is arranged on the upper part of the shell 1, and a support frame 4 is fixedly connected to the outer walls of both ends of the shell 1, and a wedge plate 5 is arranged in the support frame 4. One side of the wedge plate 5 is fixedly connected to two symmetrically arranged connecting blocks 6, and the two connecting blocks 6 are rotatably connected to a traction rod 7, and one end of the traction rod 7 is rotatably connected to a slider 8. Two symmetrically arranged grooves are arranged on the inner side wall of the support frame 4, and a slide bar 9 is fixedly connected in the two grooves. The slide bar 8 is slidably sleeved on the slide bar 9, and a first spring 10 is sleeved on the slide bar 9. The two ends of the first spring 10 are respectively fixedly connected to the slide bar 8 and the inner wall of the groove. Both ends are fixedly connected with support blocks 11, and the bottom of the support block 11 is fixedly connected with an insert plate 12. The insert plate 12 is slidably inserted on the support frame 4, and a groove corresponding to the wedge plate 5 is provided on the outer wall of one side of the insert plate 12. Specifically, the insert plate 12 will be inserted into the support frames 4 on both ends of the shell 1. At this time, the bottom end of the insert plate 12 will press the wedge plate 5, and the structural characteristics of the wedge plate 5 will cause the wedge plate 5 to move. At this time, the slider 8 on one end of the traction rod 7 will slide on the slide bar 9 to compress the first spring 10. After the insert plate 12 is fully inserted, the groove on the insert plate 12 is parallel to the wedge plate 5. At this time, the first spring 10 in a compressed state prompts the slider 8 to move under the action of its own resilience. At this time, the slider 8 will drive the traction rod 7 to push the wedge plate 5 to be firmly pressed against the groove.

[0019] In this embodiment, a bearing frame 13 is fixedly connected to the bottom of the support frame 4, and a pressure plate 14 is arranged inside the bearing frame 13. A plurality of second springs 15 are fixedly connected between the bottom of the pressure plate 14 and the bearing frame 13. After the insertion plate 12 is inserted, the pressure plate 14 is pushed to compress the second spring 15. After the wedge plate 5 is inserted into the slot, the rebound force of the second spring 15 is used to cause the insertion plate 12 to move slightly upward, thereby achieving the stability of the wedge plate 5 in the slot; a pull rod 16 is fixedly connected to the outer wall of one side of the wedge plate 5, and one end of the pull rod 16 passes through the support frame 4 and is fixedly connected to a pull ring 17, which is convenient for pulling the wedge plate 5 when disassembling; the wedge plate 5 is arranged in a narrow upper and wide lower structure; a sealing ring 18 is fixedly connected to the bottom of the shell cover 3, and the sealing ring 18 is made of rubber to increase the connection sealing between the shell 1; heat dissipation ports are arranged on both sides of the shell 1 to dissipate heat from the lithium battery pack body 2.

[0020] Working principle: First, install the lithium battery pack body 2 into the shell 1. When the shell cover 3 is installed, the plug plates 12 on both ends will be inserted into the support frames 4 on both ends of the shell 1. At this time, the bottom end of the plug plate 12 will press the wedge plate 5. The structural characteristics of the wedge plate 5 will cause the wedge plate 5 to move. At this time, the slider 8 on one end of the traction rod 7 will slide on the slide bar 9 to compress the first spring 10. After the plug plate 12 is fully inserted, the slot on the plug plate 12 is parallel to the wedge plate 5. At this time, the first spring 10 in a compressed state will cause the slider 8 to move under the action of its own resilience. At this time, the slider 8 will drive the traction rod 7 to push the wedge plate 5 to be firmly pressed against the slot;

[0021] The shell cover 3 is provided with a wiring port and a wiring post, which is a known technology and need not be described in detail in this application.

[0022] 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.

Claims

1. A new energy lithium battery pack, comprising a housing (1) and a lithium battery pack body (2), characterized in that: The lithium battery pack body (2) is arranged in a shell (1), a shell cover (3) is arranged above the shell (1), support frames (4) are fixedly connected to the outer walls at both ends of the shell (1), a wedge plate (5) is arranged in the support frame (4), one side of the wedge plate (5) is fixedly connected to two symmetrically arranged connecting blocks (6), the two connecting blocks (6) are rotatably connected to a traction rod (7), one end of the traction rod (7) is rotatably connected to a slider (8), and the inner side wall of the support frame (4) is provided with two symmetrically arranged grooves, the two connecting blocks (6) are fixedly connected to the inner side wall of the support frame (4), and the two connecting blocks (6) are fixedly connected to the inner side wall of the support frame (4). Each of the grooves is fixedly connected with a slide bar (9), the slide bar (8) is slidably sleeved on the slide bar (9), a first spring (10) is sleeved on the slide bar (9), two ends of the first spring (10) are respectively fixedly connected to the slide bar (8) and the inner wall of the groove, both ends of the shell cover (3) are fixedly connected with a support block (11), the bottom of the support block (11) is fixedly connected with an insert plate (12), the insert plate (12) is slidably inserted on the support frame (4), and a slot corresponding to the wedge plate (5) is provided on one side outer wall of the insert plate (12).

2. A new energy lithium battery pack according to claim 1, characterized in that: The bottom of the support frame (4) is fixedly connected to a bearing frame (13), a pressure plate (14) is provided inside the bearing frame (13), and a plurality of second springs (15) are fixedly connected between the bottom of the pressure plate (14) and the bearing frame (13).

3. A new energy lithium battery pack according to claim 1, characterized in that: A pull rod (16) is fixedly connected to an outer wall of one side of the wedge-shaped plate (5), and one end of the pull rod (16) passes through the support frame (4) and is fixedly connected to a pull ring (17).

4. A new energy lithium battery pack according to claim 1, characterized in that: The wedge-shaped plate (5) is arranged in a structure that is narrow at the top and wide at the bottom.

5. A new energy lithium battery pack according to claim 1, characterized in that: A sealing ring (18) is fixedly connected to the bottom of the shell cover (3), and the sealing ring (18) is made of rubber.

6. A new energy lithium battery pack according to claim 1, characterized in that: Heat dissipation openings are provided on both sides of the shell (1).

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