Cylindrical tab with positioning structure

Abstract

The utility model discloses a cylindrical tab with a positioning structure, which comprises an outer shell, a battery body is movably connected in the outer shell, two sides of the top end of the battery body are fixedly connected with connecting cylinders, and one side in the battery body is fixedly connected with a positive tab. The cylindrical tab with the positioning structure is provided with the positioning plate, the positioning plate is mounted at the top end of the battery body with the structure, and the positioning sleeves on the two sides of the top of the positioning plate respectively sleeve the positive tab and the negative tab, so that the positive tab and the negative tab can be effectively supported by the positioning sleeves, and the stability of the positive tab and the negative tab is improved; and the insulating layer in the positioning sleeve can ensure the insulating effect and prevent electric conduction between the positive pole lug and the negative pole lug and the positioning plate, and the fixing frame at the top of the positioning plate is attached to the interior of the outer shell, so that the positioning plate can be effectively positioned, and the problem that the pole lugs cannot be effectively positioned is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery pole ears, in particular to a columnar pole ear with a positioning structure. Background Art

[0002] Tabs are a necessary component of lithium-ion batteries. They act as conductors to lead out the positive and negative electrodes of the battery. They are generally made of metal and have good conductivity. They have various structural shapes, such as sheet and columnar. Among them, columnar tabs are not easy to deform and have high strength. They are more common in some large lithium-ion batteries.

[0003] However, the columnar tabs currently used in lithium-ion batteries still have some defects in use. When the tabs are subjected to external collisions during use, they are prone to be skewed, and even cause the battery body to deform, thus affecting the normal use of the battery.

[0004] Now a new type of columnar electrode ear with a positioning structure is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a columnar tab with a positioning structure to solve the problem that the tab cannot be effectively positioned in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a columnar pole ear with a positioning structure, comprising an outer shell, a battery body is movably connected to the inside of the outer shell, two sides of the top of the battery body are fixedly connected to connecting tubes, one side of the inside of the battery body is fixedly connected to a positive pole ear, and the other side of the inside of the battery body is fixedly connected to a negative pole ear, the positive pole ear and the negative pole ear respectively penetrate the connecting tube and extend to the outside of the battery body, and a support structure for positioning the positive pole ear and the negative pole ear is provided at the top of the battery body;

[0007] The support structure includes a positioning plate, the top of the battery body is movably connected to the positioning plate, the top of the positioning plate is fixedly connected to a fixing frame, both sides of the top of the positioning plate are fixedly connected to positioning sleeves, and the interior of the positioning sleeve is fixedly connected to an insulating layer.

[0008] Preferably, the insulating layer is movably connected to the positive electrode tab, and the insulating layer is movably connected to the negative electrode tab.

[0009] Preferably, the center line of the positioning sleeve and the center line of the connecting tube are on the same vertical plane, and the positioning plate is movably connected to the outer shell.

[0010] Preferably, a group of movable cavities are respectively provided on both sides and both ends of the interior of the fixed frame, one side of the interior of the movable cavity is fixedly connected to an ejection spring, one side of the ejection spring is fixedly connected to a connecting plate, one side of the connecting plate is fixedly connected to a positioning pin, and positioning slots are provided on both sides of the interior of the outer shell.

[0011] Preferably, the positioning pin passes through one side of the fixing frame and extends to the inside of the positioning slot to be movably connected to the positioning slot, and the connecting piece is slidably connected to the movable cavity.

[0012] Preferably, two sides of the outer shell are fixedly connected with positioning shafts, two sides of the outer shell are movably connected with connecting plates, one side of the connecting plate is provided with a movable groove, the positioning shaft passes through the movable groove and is fixedly connected with a limiting disk, the top of the connecting plate is fixedly connected with a protective cover, the bottom of two sides of the outer shell is provided with a second card slot, the top of two sides of the outer shell is provided with a first card slot, the top of one side of the connecting plate is provided with a side groove, the bottom end of the side groove is fixedly connected with a reset spring sheet, and the top of one side of the reset spring sheet is fixedly connected with an arc-shaped card block.

[0013] Preferably, the arc-shaped clamping block is movably connected to the first clamping slot, and the arc-shaped clamping block is movably connected to the second clamping slot.

[0014] Preferably, the center line of the protective cover and the center line of the outer shell are on the same vertical plane, and the positioning shaft is slidably connected to the movable groove.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the columnar tab with the positioning structure can not only realize the positioning of the tab, realize the improvement of the strength of the battery body, but also realize the protection of the tab when idle;

[0016] (1) A positioning plate, a fixing frame, a positioning sleeve, an insulating layer and a connecting sleeve are provided. A positioning plate is installed at the top of the battery body of the structure. The positioning sleeves on both sides of the top of the positioning plate are respectively sleeved on the outside of the positive electrode tab and the negative electrode tab. The positioning sleeves can effectively support the positive electrode tab and the negative electrode tab, thereby improving the stability of the positive electrode tab and the negative electrode tab. The insulating layer inside the positioning sleeve can ensure the insulation effect and prevent the positive electrode tab and the negative electrode tab from being electrically conductive with the positioning plate. The fixing frame on the top of the positioning plate is attached to the inside of the outer shell and can effectively position the positioning plate, thereby supporting the positive electrode tab and the negative electrode tab to prevent the two from being skewed.

[0017] (2) By providing a positioning plate, a fixing frame, a positioning slot, a positioning pin, a connecting piece, a movable cavity and an ejection spring, during installation, after the battery body is installed into the interior of the outer shell, the positioning plate is also installed into the interior of the outer shell and made to fit on the top of the battery body. At the same time, the ejection spring in the movable cavity can eject the positioning pin through the connecting piece. After the positioning pin is ejected, it is inserted into the interior of the positioning slot, so that the positioning plate is positioned by the positioning pin. The positioning plate and the outer shell can effectively protect the battery body to improve the overall strength of the battery, thereby achieving the goal of improving the strength of the main structure;

[0018] (3) By providing a side groove, a protective cover, a first slot, an arc-shaped block, a reset spring piece, a connecting plate, a positioning shaft, a limit plate, a movable groove and a second slot, the protective cover can be pulled to separate from the outside of the outer shell during use, and then the protective cover can be flipped over to drive the connecting plates on both sides to move. After the protective cover is moved to the bottom end of the outer shell, the protective cover is pushed upward to be sleeved on the bottom end of the outer shell, and the reset spring piece can push out the arc-shaped block and insert it into the inside of the second slot, so that the protective cover is positioned through the connecting plate. After the battery is used, the protective cover is covered on the top of the outer shell, and the reset spring piece pushes out the arc-shaped block and inserts it into the inside of the first slot to position the protective cover, so as to protect the positive electrode tab and the negative electrode tab, thereby realizing that the positive electrode tab and the negative electrode tab can be protected when idle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the top view structure of the positioning plate of the utility model;

[0021] Figure 3 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0022] Figure 4 It is a schematic diagram of the cross-sectional structure of the protective cover of the utility model when viewed from above.

[0023] In the figure: 1. outer shell; 2. battery body; 3. positioning plate; 4. side groove; 5. fixing frame; 6. positive electrode ear; 7. protective cover; 8. negative electrode ear; 9. first slot; 10. arc-shaped block; 11. reset spring; 12. connecting plate; 13. positioning shaft; 14. limit plate; 15. movable slot; 16. second slot; 17. positioning sleeve; 18. insulating layer; 19. connecting tube; 20. positioning slot; 21. positioning pin; 22. connecting piece; 23. movable cavity; 24. ejection spring. DETAILED DESCRIPTION

[0024] 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.

[0025] Example 1: Please refer to Figure 1-4 A columnar pole ear with a positioning structure comprises an outer shell 1, a battery body 2 is movably connected inside the outer shell 1, connecting tubes 19 are fixedly connected to both sides of the top of the battery body 2, a positive pole ear 6 is fixedly connected to one side of the battery body 2, a negative pole ear 8 is fixedly connected to the other side of the battery body 2, the positive pole ear 6 and the negative pole ear 8 respectively penetrate the connecting tube 19 and extend to the outside of the battery body 2, and a supporting structure for positioning the positive pole ear 6 and the negative pole ear 8 is provided at the top of the battery body 2;

[0026] The supporting structure includes a positioning plate 3, the top of the battery body 2 is movably connected to the positioning plate 3, the top of the positioning plate 3 is fixedly connected to a fixing frame 5, the two sides of the top of the positioning plate 3 are fixedly connected to positioning sleeves 17, and the interior of the positioning sleeve 17 is fixedly connected to an insulating layer 18;

[0027] The insulating layer 18 is movably connected to the positive electrode tab 6, and the insulating layer 18 is movably connected to the negative electrode tab 8;

[0028] The center line of the positioning sleeve 17 and the center line of the connecting tube 19 are on the same vertical plane, and the positioning plate 3 is movably connected to the outer shell 1;

[0029] Specifically, Figure 1 and Figure 2 As shown, a positioning plate 3 is installed at the top of the battery body 2 of the structure, and the positioning sleeves 17 on both sides of the top of the positioning plate 3 are respectively sleeved on the outside of the positive pole ear 6 and the negative pole ear 8, and the positioning sleeve 17 can effectively support the two, thereby improving the stability of the positive pole ear 6 and the negative pole ear 8, and the insulating layer 18 inside the positioning sleeve 17 can ensure the insulation effect, and prevent the positive pole ear 6 and the negative pole ear 8 from being conductively conductive to the positioning plate 3, and the fixing frame 5 on the top of the positioning plate 3 is attached to the inside of the outer shell 1 to effectively position the positioning plate 3, so that the positive pole ear 6 and the negative pole ear 8 can be supported to prevent the two from being skewed.

[0030] Embodiment 2: A group of movable cavities 23 are respectively provided on both sides and both ends of the interior of the fixed frame 5, one side of the interior of the movable cavity 23 is fixedly connected to an ejection spring 24, one side of the ejection spring 24 is fixedly connected to a connecting piece 22, one side of the connecting piece 22 is fixedly connected to a positioning pin 21, and positioning slots 20 are provided on both sides of the interior of the outer shell 1;

[0031] The positioning pin 21 passes through one side of the fixing frame 5 and extends to the inside of the positioning slot 20 to be movably connected to the positioning slot 20, and the connecting piece 22 is slidably connected to the movable cavity 23;

[0032] Specifically, Figure 1 , Figure 2 and Figure 3 As shown, during installation, after the battery body 2 is installed into the interior of the outer shell 1, the positioning plate 3 is also installed into the interior of the outer shell 1 and made to fit against the top of the battery body 2. At the same time, the ejection spring 24 in the movable cavity 23 can eject the positioning pin 21 through the connecting piece 22. After the positioning pin 21 is ejected, it is inserted into the interior of the positioning slot 20, so that the positioning plate 3 is positioned by the positioning pin 21. The positioning plate 3 and the outer shell 1 can effectively protect the battery body 2 to improve the overall strength of the battery, thereby achieving the goal of improving the strength of the structural main body.

[0033] Embodiment 3: Positioning shafts 13 are fixedly connected to both sides of the outer shell 1, connecting plates 12 are movably connected to both sides of the outer shell 1, a movable groove 15 is provided on one side of the connecting plate 12, the positioning shaft 13 passes through the movable groove 15 and is fixedly connected to the limiting disk 14, the top of the connecting plate 12 is fixedly connected to the protective cover 7, the bottom of both sides of the outer shell 1 is provided with a second card groove 16, the top of both sides of the outer shell 1 is provided with a first card groove 9, the top of one side of the connecting plate 12 is provided with a side groove 4, the bottom end of the inside of the side groove 4 is fixedly connected to a reset spring 11, and the top of one side of the reset spring 11 is fixedly connected to an arc-shaped card block 10;

[0034] The arc-shaped clamping block 10 is movably connected to the first clamping slot 9, and the arc-shaped clamping block 10 is movably connected to the second clamping slot 16;

[0035] The center line of the protective cover 7 and the center line of the outer shell 1 are on the same vertical plane, and the positioning shaft 13 is slidably connected with the movable groove 15;

[0036] Specifically, Figure 1 and Figure 4 As shown, when in use, the protective cover 7 is pulled to separate from the outside of the outer shell 1, and then the protective cover 7 can be flipped to drive the connecting plates 12 on both sides to move. After the protective cover 7 is moved to the bottom end of the outer shell 1, the protective cover 7 is pushed upward to be sleeved on the bottom end of the outside of the outer shell 1, and the reset spring piece 11 can push out the arc block 10 and insert it into the inside of the second card slot 16, so as to position the protective cover 7 through the connecting plate 12. After the battery is used, the protective cover 7 is covered on the top of the outside of the outer shell 1. Similarly, the reset spring piece 11 pushes out the arc block 10 and inserts it into the inside of the first card slot 9 to position the protective cover 7, so as to protect the positive pole ear 6 and the negative pole ear 8, thereby realizing that the positive pole ear 6 and the negative pole ear 8 can be protected when idle.

[0037] Working principle: When the utility model is in use and installed, after the battery body 2 is installed into the interior of the outer shell 1, the positioning plate 3 is also installed into the interior of the outer shell 1 and made to fit on the top of the battery body 2. At the same time, the ejection spring 24 in the active cavity 23 can eject the positioning pin 21 through the connecting piece 22. After the positioning pin 21 is ejected, it is inserted into the interior of the positioning card slot 20, so that the positioning plate 3 is positioned by the positioning pin 21. The positioning plate 3 and the outer shell 1 can effectively protect the battery body 2 to improve the overall strength of the battery. In this structure, a positioning plate 3 is installed on the top of the battery body 2. The positioning sleeves 17 on both sides of the top of the positioning plate 3 are respectively sleeved on the outside of the positive pole ear 6 and the negative pole ear 8. The positioning sleeve 17 can effectively support the two, thereby improving the stability of the positive pole ear 6 and the negative pole ear 8, and the insulation inside the positioning sleeve 17 Layer 18 can ensure the insulation effect and prevent the positive pole ear 6 and the negative pole ear 8 from being conductively connected to the positioning plate 3. The fixing frame 5 on the top of the positioning plate 3 fits in the inside of the outer shell 1 to effectively position the positioning plate 3. When in use, the protective cover 7 is pulled to separate it from the outside of the outer shell 1. Then the protective cover 7 can be flipped over to drive the connecting plates 12 on both sides to move. After the protective cover 7 is moved to the bottom end of the outer shell 1, the protective cover 7 is pushed upward to be sleeved on the bottom end of the outside of the outer shell 1. The reset spring 11 can push out the arc block 10 and insert it into the inside of the second card slot 16, thereby positioning the protective cover 7 through the connecting plate 12. After the battery is used, the protective cover 7 is covered on the top of the outside of the outer shell 1. Similarly, the reset spring 11 pushes out the arc block 10 and inserts it into the inside of the first card slot 9 to position the protective cover 7 to protect the positive pole ear 6 and the negative pole ear 8.

Claims

1. A cylindrical electrode ear with a positioning structure, comprising an outer shell (1), characterized in that: The outer shell (1) is movably connected to the battery body (2), the top of the battery body (2) is fixedly connected to connecting tubes (19) on both sides, the inside of the battery body (2) is fixedly connected to a positive pole lug (6), and the other side of the inside of the battery body (2) is fixedly connected to a negative pole lug (8), the positive pole lug (6) and the negative pole lug (8) respectively penetrate the connecting tube (19) and extend to the outside of the battery body (2), and the top of the battery body (2) is provided with a support structure for positioning the positive pole lug (6) and the negative pole lug (8); The support structure comprises a positioning plate (3), the top of the battery body (2) is movably connected to the positioning plate (3), the top of the positioning plate (3) is fixedly connected to a fixing frame (5), both sides of the top of the positioning plate (3) are fixedly connected to positioning sleeves (17), and the interior of the positioning sleeve (17) is fixedly connected to an insulating layer (18).

2. The columnar electrode with a positioning structure according to claim 1, characterized in that: The insulating layer (18) is movably connected to the positive electrode tab (6), and the insulating layer (18) is movably connected to the negative electrode tab (8).

3. The columnar electrode with a positioning structure according to claim 1, characterized in that: The center line of the positioning sleeve (17) and the center line of the connecting tube (19) are on the same vertical plane, and the positioning plate (3) is movably connected to the outer shell (1).

4. The columnar tab with a positioning structure according to claim 1, characterized in that: A group of movable cavities (23) are respectively arranged on both sides and both ends of the interior of the fixed frame (5); an ejection spring (24) is fixedly connected to one side of the interior of the movable cavity (23); a connecting piece (22) is fixedly connected to one side of the ejection spring (24); a positioning pin (21) is fixedly connected to one side of the connecting piece (22); and positioning slots (20) are arranged on both sides of the interior of the outer shell (1).

5. The columnar electrode with a positioning structure according to claim 4, characterized in that: The positioning pin (21) passes through one side of the fixing frame (5) and extends to the inside of the positioning slot (20) to be movably connected to the positioning slot (20), and the connecting piece (22) is slidably connected to the movable cavity (23).

6. The columnar electrode with a positioning structure according to claim 1, characterized in that: The outer shell (1) is fixedly connected with a positioning shaft (13) on both sides, and the outer shell (1) is movably connected with a connecting plate (12) on both sides. A movable groove (15) is provided on one side of the connecting plate (12). The positioning shaft (13) passes through the movable groove (15) and is fixedly connected to a limiting plate (14). The top of the connecting plate (12) is fixedly connected with a protective cover (7). The bottom of both sides of the outer shell (1) is provided with a second clamping groove (16). The top of both sides of the outer shell (1) is provided with a first clamping groove (9). The top of one side of the connecting plate (12) is provided with a side groove (4). The bottom of the side groove (4) is fixedly connected with a reset spring (11). The top of one side of the reset spring (11) is fixedly connected with an arc-shaped clamping block (10).

7. The columnar electrode tab with a positioning structure according to claim 6, characterized in that: The arc-shaped clamping block (10) is movably connected to the first clamping slot (9), and the arc-shaped clamping block (10) is movably connected to the second clamping slot (16).

8. The columnar electrode tab with a positioning structure according to claim 6, characterized in that: The center line of the protective cover (7) and the center line of the outer shell (1) are on the same vertical plane, and the positioning shaft (13) is slidably connected to the movable groove (15).

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