Lithium battery capable of being spliced

Abstract

The utility model relates to the technical field of lithium batteries, in particular to a lithium battery capable of being spliced. The lithium battery pack comprises a splicing shell, a lithium battery is arranged on the inner wall of the splicing shell, an auxiliary protection device is arranged on the upper surface of the splicing shell and comprises a first limiting round hole and a first rectangular clamping groove, the first limiting round hole is formed in the outer surface of the splicing shell, and the first rectangular clamping groove is formed in the outer surface of the splicing shell. A first clamping rod is inserted into the inner wall of the first limiting round hole, and the first rectangular clamping groove is formed in the upper surface of the splicing shell. According to the auxiliary protection device, a threaded rod can drive a threaded clamping block to move along a rectangular groove, a first clamping rod can fix the position of a first rectangular clamping block, then the whole auxiliary protection device can be positioned, and under the action of a second clamping rod, the position of a second rectangular clamping block can be fixed; and the second rectangular clamping block and the protective shell can be disassembled and assembled.

Description

Technical Field

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

[0002] Lithium batteries are a type of battery that uses lithium metal or lithium alloy as positive / negative electrode materials and non-aqueous electrolyte solutions. In 1912, lithium metal batteries were first proposed and studied by Gilbert N. Lewis. In the 1970s, MS Whittingham proposed and began to study lithium-ion batteries. Due to the very active chemical properties of lithium metal, the processing, storage, and use of lithium metal have very high environmental requirements. With the development of science and technology, lithium batteries have become mainstream.

[0003] The patent publication number CN218975726U discloses a lithium battery that is easy to splice in series, including a lithium battery, a connection block is fixedly connected to the positive electrode of the lithium battery, a bottom block is fixedly connected to the bottom of the lithium battery, placement grooves are provided on both sides of the bottom block, and a clamping block is provided inside the placement groove. Active grooves are provided at the bottom of both sides of the lithium battery, and a vertical block is movably connected to the top of the active groove through a first rotating shaft, and the bottom of the vertical block extends to the inside of the placement groove, and the inside of the vertical block is fixedly connected to the outside of the clamping block. The utility model drives the clamping block to rotate by rotating the vertical block around the first rotating shaft, so that the clamping block is clamped into the clamping slot to position the connection block and the lithium battery, thereby having the advantage of being easy to splice in series. The lithium battery that is easy to splice in series has the advantage of being easy to splice in series, improves the stability of the lithium battery, and at the same time, prevents the lithium battery from having poor contact when connected in series, making it convenient for users to use electronic products.

[0004] However, in actual use, the lithium battery is arranged inside the spliced ​​shell. Since part of the lithium battery is in contact with the air, impurities in the air will adhere to it. The impurities will come into contact with the lithium battery, which will affect the normal use of the lithium battery. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the prior art that the lithium battery is arranged inside a spliced ​​shell, and because the lithium battery is partially in contact with the air, it will adhere to impurities in the air. The impurities are in contact with the lithium battery, thereby affecting the normal use of the lithium battery, and a splicable lithium battery is proposed.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a splicable lithium battery, comprising a splicing shell, the inner wall of the splicing shell is provided with a lithium battery, the upper surface of the splicing shell is provided with an auxiliary protection device, the auxiliary protection device comprises a first limiting circular hole and a first rectangular slot, the first limiting circular hole is opened on the outer surface of the splicing shell, the inner wall of the first limiting circular hole is inserted with a first locking rod, the first rectangular slot is opened on the upper surface of the splicing shell, the inner wall of the first rectangular slot is clamped with a first rectangular block, the outer surface of the first rectangular block is provided with a first locking groove, and the outer surface of the splicing shell is provided with an auxiliary splicing device.

[0007] The effects achieved by the above components are: the first limiting circular hole has a limiting effect on the first locking rod, and the first locking rod can fix the position of the first rectangular block, thereby positioning the entire auxiliary protection device.

[0008] Preferably, the size of the first locking groove is adapted to the size of the first locking rod, the upper surface of the first rectangular clamping block is fixedly connected to a rectangular rod, the upper surface of the rectangular rod is provided with a rectangular groove, one end of the inner wall of the rectangular groove is rotatably connected to a threaded rod, and the outer surface of the threaded rod is threadedly connected to a threaded clamping block.

[0009] The effect achieved by the above components is that the threaded rod can drive the threaded clamping block to move along the rectangular groove.

[0010] Preferably, a second limiting circular hole is opened on the upper surface of the threaded clamping block, a second locking rod is inserted into the inner wall of the second limiting circular hole, a second rectangular clamping groove is opened on the outer surface of the threaded clamping block, and a second rectangular clamping block is clamped on the inner wall of the second rectangular clamping groove.

[0011] The effect achieved by the above components is that the second limiting circular hole has a limiting effect on the second locking rod.

[0012] Preferably, a second locking groove is formed on the upper surface of the second rectangular locking block, the size of the second locking groove matches the size of the second locking rod, and a protective shell is fixedly connected to the outer surface of the second rectangular locking block.

[0013] The effects achieved by the above components are: the protective shell has a certain protective effect on the lithium battery.

[0014] Preferably, the auxiliary splicing device comprises a third rectangular block, a third rectangular slot and a third limiting circular hole, the third rectangular block is fixedly connected to the side surface of the splicing shell, and the outer surface of the third rectangular block is provided with a third positioning slot.

[0015] The effect achieved by the above components is that the third rectangular card slot is engaged with the third rectangular card block, thereby achieving the effect of splicing the lithium battery.

[0016] Preferably, a second rectangular sliding groove is provided on the inner wall edge of the third positioning groove, an annular positioning groove is provided on the bottom of the third positioning groove, the third rectangular positioning groove is provided on the side surface of another splicing shell, the third rectangular positioning groove is connected with the third rectangular positioning block, and the third limiting circular hole is provided on the outer surface of the splicing shell.

[0017] The effect achieved by the above components is that the third limiting circular hole has a limiting effect on the third locking rod.

[0018] Preferably, a first rectangular sliding groove is opened on the inner wall edge of the third limiting circular hole, a third locking rod is inserted into the inner wall of the third limiting circular hole, the size of the third locking rod is adapted to the size of the third locking groove, and a rectangular limiting block is fixedly connected to the outer surface of the third locking rod.

[0019] The effect achieved by the above components is that the third clamping rod can fix the position of the third rectangular clamping block, thereby playing a role in splicing the lithium battery.

[0020] In summary, the beneficial effects of the utility model are:

[0021] Through the auxiliary protection device, the threaded rod can drive the threaded block to move along the rectangular groove, and the first clamping rod can fix the position of the first rectangular block, thereby playing a positioning role for the entire auxiliary protection device. Under the action of the second clamping rod, the position of the second rectangular block can be fixed, and the second rectangular block and the protective shell can be disassembled and assembled.

[0022] Through the auxiliary splicing device, the rectangular limit block on the outer surface of the third clamping rod is aligned with the position of the first rectangular slide groove, and then the rectangular limit block is passed through the second rectangular slide groove, and finally the rectangular limit block can move to the inner wall of the annular clamping groove, and then after the third clamping rod is rotated a certain angle, the position of the third rectangular clamping block can be fixed, so that the lithium battery can be spliced. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 It is a schematic diagram of the three-dimensional structure of the spliced ​​shell of the utility model;

[0025] Figure 3 For this utility model Figure 2 The enlarged view of point A in the middle;

[0026] Figure 4 For this utility model Figure 2 The enlarged view of point B in the middle;

[0027] Figure 5 For this utility model Figure 2 Enlarged view of point C in the middle;

[0028] Figure 6 The three-dimensional structure diagram of the rectangular rod of the utility model

[0029] Figure 7 The three-dimensional structure diagram of the protective shell of the utility model is shown in FIG.

[0030] Figure 8 It is a schematic diagram of the three-dimensional structure of the third locking rod of the utility model.

[0031] Legend: 1. Splicing shell; 2. Lithium battery; 3. Auxiliary protection device; 31. First limiting circular hole; 32. First clamping rod; 33. First rectangular slot; 34. First rectangular block; 35. First clamping slot; 36. Rectangular rod; 37. Rectangular slot; 38. Threaded rod; 39. Threaded block; 310. Second limiting circular hole; 311. Second clamping rod; 312. Second rectangular slot; 313. Second rectangular block; 314. Second clamping slot; 315. Protective shell; 4. Auxiliary splicing device; 41. Third rectangular block; 42. Third rectangular slot; 43. Third limiting circular hole; 44. First rectangular slide; 45. Third clamping slot; 46. Second rectangular slide; 47. Annular slot; 48. Third clamping rod; 49. Rectangular limiting block. DETAILED DESCRIPTION

[0032] Reference Figure 1-8 As shown, a splicable lithium battery includes a splicing shell 1, characterized in that: a lithium battery 2 is arranged on the inner wall of the splicing shell 1, an auxiliary protection device 3 is arranged on the upper surface of the splicing shell 1, and an auxiliary splicing device 4 is arranged on the outer surface of the splicing shell 1.

[0033] The specific configuration and functions of the auxiliary protection device 3 and the auxiliary splicing device 4 will be described in detail below.

[0034] Example 1: Reference Figure 5 , Figure 6 and Figure 7As shown, in this embodiment: the auxiliary protection device 3 includes a first limiting circular hole 31 and a first rectangular slot 33, the first limiting circular hole 31 is provided on the outer surface of the splicing shell 1, the inner wall of the first limiting circular hole 31 is inserted with a first locking rod 32, the first rectangular slot 33 is provided on the upper surface of the splicing shell 1, the inner wall of the first rectangular slot 33 is clamped with a first rectangular clamping block 34, the outer surface of the first rectangular clamping block 34 is provided with a first locking groove 35, the first limiting circular hole 31 has a limiting effect on the first locking rod 32, the first locking rod 32 can fix the position of the first rectangular clamping block 34, and thus can play a positioning role for the entire auxiliary protection device 3, the size of the first locking groove 35 is adapted to the size of the first locking rod 32, the upper surface of the first rectangular clamping block 34 is fixedly connected with a rectangular rod 36, and the upper surface of the rectangular rod 36 is provided with a rectangular slot 37, A threaded rod 38 is rotatably connected to one end of the inner wall of the rectangular groove 37, and a threaded block 39 is threadedly connected to the outer surface of the threaded rod 38. The threaded rod 38 can drive the threaded block 39 to move along the rectangular groove 37. A second limiting circular hole 310 is provided on the upper surface of the threaded block 39, and a second clamping rod 311 is inserted into the inner wall of the second limiting circular hole 310. A second rectangular clamping groove 312 is provided on the outer surface of the threaded block 39, and a second rectangular clamping block 313 is clamped on the inner wall of the second rectangular clamping groove 312. The second limiting circular hole 310 has a limiting effect on the second clamping rod 311. A second clamping groove 314 is provided on the upper surface of the second rectangular clamping block 313. The size of the second clamping groove 314 is adapted to the size of the second clamping rod 311. A protective shell 315 is fixedly connected to the outer surface of the second rectangular clamping block 313, and the protective shell 315 has a certain protective effect on the lithium battery 2.

[0035] Example 2: Reference Figure 2 , Figure 3 , Figure 4 and Figure 8As shown, in this embodiment: the auxiliary splicing device 4 includes a third rectangular card block 41, a third rectangular card slot 42 and a third limiting circular hole 43, the third rectangular card block 41 is fixedly connected to the side surface of the splicing shell 1, the outer surface of the third rectangular card block 41 is provided with a third card slot 45, the third rectangular card slot 42 is engaged with the third rectangular card block 41, and thus can play the effect of splicing the lithium battery 2, the inner wall edge of the third card slot 45 is provided with a second rectangular slide groove 46, the bottom of the third card slot 45 is provided with an annular card slot 47, the third rectangular card slot 42 is provided on the side surface of another splicing shell 1, and the third The rectangular slot 42 is engaged with the third rectangular block 41, and the third limiting circular hole 43 is provided on the outer surface of the splicing shell 1. The third limiting circular hole 43 has a limiting effect on the third locking rod 48. The inner wall edge of the third limiting circular hole 43 is provided with a first rectangular slide groove 44, and the inner wall of the third limiting circular hole 43 is inserted with a third locking rod 48. The size of the third locking rod 48 is adapted to the size of the third locking slot 45. The outer surface of the third locking rod 48 is fixedly connected with a rectangular limiting block 49. The third locking rod 48 can fix the position of the third rectangular block 41, thereby playing a role in splicing the lithium battery 2.

[0036] Working principle: when in use, first insert the first rectangular block 34 into the inner wall of the first rectangular slot 33, and then insert the first positioning rod 32 into the bottom of the first positioning slot 35, so that the position of the first rectangular block 34 can be fixed, and then the position of the entire auxiliary protection device 3 can be fixed, and the threaded rod 38 can be rotated, so that the threaded block 39 can be driven to move along the rectangular slot 37, and then the second rectangular block 313 connected to the inner wall of the second rectangular slot 312 can be driven to move, and then the protective shell 315 can be driven to move, and through the protective shell 315, the lithium battery 2 can be protected to a certain extent, and the rectangular limit block 49 on the outer surface of the third positioning rod 48 is aligned with the position of the first rectangular slide 44, and then the rectangular limit block 49 is passed through the second rectangular slide 46, and through the second rectangular slide 46, the rectangular limit block 49 can finally move to the inner wall of the annular slot 47, and then after the third positioning rod 48 is rotated by a certain angle, the position of the third rectangular block 41 can be fixed, and then the lithium battery 2 can be spliced.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

Claims

1. A splicable lithium battery, comprising a splicing shell (1), characterized in that: The inner wall of the splicing shell (1) is provided with a lithium battery (2); the upper surface of the splicing shell (1) is provided with an auxiliary protection device (3); the auxiliary protection device (3) comprises a first limiting circular hole (31) and a first rectangular clamping groove (33); the first limiting circular hole (31) is provided on the outer surface of the splicing shell (1); the inner wall of the first limiting circular hole (31) is provided with a first clamping rod (32); the first rectangular clamping groove (33) is provided on the upper surface of the splicing shell (1); the inner wall of the first rectangular clamping groove (33) is clamped with a first rectangular clamping block (34); the outer surface of the first rectangular clamping block (34) is provided with a first clamping groove (35); and the outer surface of the splicing shell (1) is provided with an auxiliary splicing device (4).

2. A splicable lithium battery according to claim 1, characterized in that: The size of the first locking groove (35) is matched with the size of the first locking rod (32); the upper surface of the first rectangular clamping block (34) is fixedly connected to a rectangular rod (36); the upper surface of the rectangular rod (36) is provided with a rectangular groove (37); one end of the inner wall of the rectangular groove (37) is rotatably connected to a threaded rod (38); the outer surface of the threaded rod (38) is threadedly connected to a threaded clamping block (39).

3. A splicable lithium battery according to claim 2, characterized in that: A second limiting circular hole (310) is provided on the upper surface of the threaded clamping block (39), a second locking rod (311) is inserted into the inner wall of the second limiting circular hole (310), a second rectangular clamping groove (312) is provided on the outer surface of the threaded clamping block (39), and a second rectangular clamping block (313) is clamped on the inner wall of the second rectangular clamping groove (312).

4. A splicable lithium battery according to claim 3, characterized in that: A second locking groove (314) is provided on the upper surface of the second rectangular locking block (313); the size of the second locking groove (314) matches the size of the second locking rod (311); and a protective shell (315) is fixedly connected to the outer surface of the second rectangular locking block (313).

5. The connectable lithium battery according to claim 1, characterized in that: The auxiliary splicing device (4) comprises a third rectangular clamping block (41), a third rectangular clamping groove (42) and a third limiting circular hole (43); the third rectangular clamping block (41) is fixedly connected to the side surface of the splicing shell (1); and a third clamping groove (45) is provided on the outer surface of the third rectangular clamping block (41).

6. A splicable lithium battery according to claim 5, characterized in that: The inner wall edge of the third clamping groove (45) is provided with a second rectangular sliding groove (46), the bottom of the third clamping groove (45) is provided with an annular clamping groove (47), the third rectangular clamping groove (42) is provided on the side surface of another splicing shell (1), the third rectangular clamping groove (42) is clamped with the third rectangular clamping block (41), and the third limiting circular hole (43) is provided on the outer surface of the splicing shell (1).

7. The connectable lithium battery according to claim 5, characterized in that: A first rectangular sliding groove (44) is provided on the inner wall edge of the third limiting circular hole (43), a third locking rod (48) is inserted into the inner wall of the third limiting circular hole (43), the size of the third locking rod (48) is adapted to the size of the third locking groove (45), and a rectangular limiting block (49) is fixedly connected to the outer surface of the third locking rod (48).

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