Solid-state battery with good sealing effect

Abstract

The utility model discloses a solid-state battery with a good sealing effect, which comprises a battery body, a sleeve shell fixedly sleeved outside the battery body, two ends of the sleeve shell are respectively and movably connected with an internal thread cover, an electrode column is sleeved in the internal thread cover, the electrode column is connected with the battery body through a bolt, and the tail end of the electrode column is abutted against an electrode slice. The electrode plates abut against the outer portions of the inner threaded covers, the outer portion of each inner threaded cover is sleeved with a rubber sleeve, a limiting sleeve is jointly sleeved between the two rubber sleeves, and the limiting sleeve is fixedly connected to the outer portion of the sleeve shell in a sleeving mode and abuts against the tail ends of the two inner threaded covers. According to the utility model, the electrode column and the electrode plate are connected with the battery body through the rubber sleeve, the internal thread cover and the rubber ring, and the electrode column is fixed with the battery body through the bolt, so that the tightness of the battery body is improved, the firmness of connection between the electrode column and the battery body is improved, water vapor is prevented from entering the battery, and the service life of the battery is prolonged. And the battery is influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of solid-state batteries, and in particular to a solid-state battery with good sealing effect. Background Art

[0002] Solid-state batteries are a type of battery technology. Unlike the lithium-ion batteries and lithium-ion polymer batteries commonly used today, solid-state batteries are batteries that use solid electrodes and solid electrolytes. Solid-state lithium battery technology uses and is made of glass compounds as conductive materials.

[0003] When manufacturing solid-state batteries, positive and negative contact plates need to be installed at both ends of the solid-state battery. The positive and negative plates of existing solid-state batteries are connected to the battery casing by stamping. Although this connection method is efficient, it has poor sealing. After long-term use, air and water vapor in the air can easily enter the battery casing, affecting the normal use of the battery. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a solid-state battery with good sealing effect.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a solid-state battery with good sealing effect, comprising a battery body, the outside of the battery body is fixedly sleeved with a sleeve shell, both ends of the sleeve shell are movably connected to an internal threaded cover, the internal threaded cover is sleeved with an electrode column, the electrode column is connected to the battery body by a bolt, the end of the electrode column abuts the electrode sheet, the electrode sheet abuts the outside of the internal threaded cover, each of the internal threaded covers is sleeved with a rubber sleeve, and a limiting sleeve is commonly sleeved between the two rubber sleeves, and the limiting sleeve is fixedly sleeved with the outside of the sleeve shell and abuts with the ends of the two internal threaded covers.

[0006] As a further description of the above technical solution: a thread groove is horizontally opened at each end of the battery body, and the end of each electrode column is axially penetrated by a countersunk hole concentric with the thread groove, and the bolt is movably sleeved in the countersunk hole and threadedly connected in the thread groove.

[0007] As a further description of the above technical solution: the outer portion of the rubber sleeve axially passes through the first through hole, the electrode sheet is sleeved in the first through hole, the end of the internal threaded cover axially passes through a second through hole concentric with the first through hole, a rubber ring is fixedly sleeved in the second through hole, a conductive block fixedly connected to the electrode sheet is sleeved in the rubber ring, the conductive block is sleeved in the countersunk hole and abuts against the bolt.

[0008] As a further description of the above technical solution: both ends of the shell are respectively provided with a section of external thread, and the internal thread cover is connected to the shell through the external thread.

[0009] As a further description of the above technical solution: a plurality of equidistant annular guide grooves are axially opened on the outside of the internal threaded cover, a guide block is movably connected in each of the guide grooves, the guide block is fixedly connected in the rubber sleeve, a plurality of equidistant positioning grooves are radially opened on the outside of the limit sleeve, a positioning block is inserted in each of the positioning grooves, the positioning block is fixedly connected to the rubber sleeve, and each positioning block is aligned with one of the guide blocks.

[0010] As a further description of the above technical solution: the guide block and the guide groove are interference fit, the positioning block and the positioning groove are also interference fit, and the guide block and the positioning block are both made of rubber.

[0011] The utility model has the following beneficial effects:

[0012] Compared with the existing technology, this solid-state battery with good sealing effect connects the electrode column and the electrode sheet to the battery body through a rubber sleeve, an internal threaded cover and a rubber ring, and fixes the electrode column to the battery body through bolts. While improving the sealing of the battery body, it also improves the firmness of the connection between the electrode column and the battery body, preventing water vapor from entering the battery and affecting the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional diagram of the overall structure of a solid-state battery with good sealing effect proposed by the utility model;

[0014] Figure 2 This is a cross-sectional view of the overall structure of a solid-state battery with good sealing effect proposed by the utility model;

[0015] Figure 3 A solid-state battery with good sealing effect proposed by the utility model Figure 2 A magnified view of the structure at point A;

[0016] Figure 4 A solid-state battery with good sealing effect proposed by the utility model Figure 2 A magnified view of the structure at point B.

[0017] Legend:

[0018] 1. Limit sleeve; 2. Rubber sleeve; 3. Electrode sheet; 4. First through hole; 5. Housing; 6. Battery body; 7. Guide block; 8. Guide groove; 9. Internal thread cover; 10. Second through hole; 11. Conductive block; 12. Countersunk hole; 13. Electrode column; 14. Bolt; 15. Threaded groove; 16. Rubber ring; 17. External thread; 18. Positioning groove; 19. Positioning block. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] Reference Figures 1 to 4 The utility model provides a solid-state battery with good sealing effect: it includes a battery body 6, the outside of the battery body 6 is fixedly sleeved with a sleeve shell 5, and the two ends of the sleeve shell 5 are movably connected to an internal threaded cover 9, each end of the sleeve shell 5 is provided with a section of external thread 17, the internal threaded cover 9 is connected to the sleeve shell 5 through the external thread 17, the internal threaded cover 9 is sleeved with an electrode column 13, and the electrode column 13 is connected to the battery body 6 through a bolt 14, and a threaded groove 15 is horizontally provided at both ends of the battery body 6, and the end of each electrode column 13 axially penetrates a countersunk hole 12 concentric with the thread groove 15, the bolt 14 is movably sleeved in the countersunk hole 12 and threadedly connected in the thread groove 15, the end of the electrode column 13 abuts the electrode sheet 3, and the electrode sheet 3 abuts the outside of the internal threaded cover 9, and each internal threaded cover 9 is sleeved with a rubber sleeve 2, and a limiting sleeve 1 is sleeved between the two rubber sleeves 2, and the limiting sleeve 1 is fixedly sleeved on the outside of the sleeve shell 5 and abuts against the ends of the two internal threaded covers 9;

[0021] The outer portion of the rubber sleeve 2 axially passes through the first through hole 4, the electrode sheet 3 is sleeved in the first through hole 4, the end of the internal threaded cover 9 axially passes through a second through hole 10 which is concentric with the first through hole 4, a rubber ring 16 is fixedly sleeved in the second through hole 10, a conductive block 11 fixedly connected to the electrode sheet 3 is sleeved in the rubber ring 16, the conductive block 11 is sleeved in the countersunk hole 12 and abuts against the bolt 14;

[0022] The outer axial side of the internal threaded cover 9 is provided with a plurality of equidistant annular guide grooves 8, each of which is movably connected to a guide block 7, and the guide block 7 is fixedly connected to the rubber sleeve 2. The outer radial side of the limit sleeve 1 is provided with a plurality of equidistant positioning grooves 18, each of which is inserted into a positioning block 19, and the positioning block 19 is fixedly connected to the rubber sleeve 2. Each positioning block 19 is aligned with a guide block 7, and the guide block 7 and the guide groove 8 are interference fit, and the positioning block 19 and the positioning groove 18 are also interference fit, and the guide block 7 and the positioning block 19 are both made of rubber.

[0023] By connecting the electrode column 13 and the electrode sheet 3 to the battery body 6 through the rubber sleeve 2, the internal threaded cover 9 and the rubber ring, and fixing the electrode column 13 to the battery body 6 through the bolt 14, the sealing of the battery body 6 is improved, and the firmness of the connection between the electrode column 13 and the battery body 6 is improved, thereby preventing water vapor from entering the battery and affecting the battery.

[0024] Working principle: When in use, first fix the electrode column 13 to the battery body 6 through the bolt 14, then connect the internal thread cover 9 to the sleeve cover, so that the electrode column 13 passes through the second through hole 10 of the internal thread cover 9, and then put the rubber sleeve 2 on the outside of the internal thread cover 9. During installation, align the guide block 7 with the guide groove 8 for installation, so that the guide block 7 is inserted into the guide groove 8, and at the same time, the positioning block 19 is moved to the top of the positioning groove 18, and then press the rubber sleeve 2 downward so that the positioning block 19 is inserted into the positioning groove 18, and then install the electrode sheet 3. During installation, pass the conductive block 11 at the end of the electrode sheet 3 through the first through hole 4, the second through hole 10 and the rubber ring 16 in the second through hole 10, and insert it into the countersunk hole 12, and at the same time, plug the electrode sheet 3 into the first through hole 4.

[0025] 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 replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A solid-state battery with good sealing effect, comprising a battery body (6), wherein the outer portion of the battery body (6) is fixedly connected to a casing (5), characterized in that: An internal threaded cover (9) is movably connected to each of the two ends of the casing (5), an electrode column (13) is sleeved inside the internal threaded cover (9), the electrode column (13) is connected to the battery body (6) through a bolt (14), the end of the electrode column (13) abuts against the electrode sheet (3), the electrode sheet (3) abuts against the outside of the internal threaded cover (9), a rubber sleeve (2) is sleeved on the outside of each internal threaded cover (9), a limiting sleeve (1) is sleeved between the two rubber sleeves (2), the limiting sleeve (1) is fixedly sleeved on the outside of the casing (5), and abuts against the ends of the two internal threaded covers (9).

2. A solid-state battery with good sealing effect according to claim 1, characterized in that: A thread groove (15) is horizontally formed at each end of the battery body (6), and a countersunk hole (12) concentric with the thread groove (15) is axially penetrated at the end of each electrode column (13). The bolt (14) is movably sleeved in the countersunk hole (12) and threadedly connected in the thread groove (15).

3. A solid-state battery with good sealing effect according to claim 2, characterized in that: The outer portion of the rubber sleeve (2) axially passes through the first through hole (4), the electrode sheet (3) is sleeved in the first through hole (4), the end of the internal threaded cover (9) axially passes through a second through hole (10) concentric with the first through hole (4), a rubber ring (16) is fixedly sleeved in the second through hole (10), a conductive block (11) fixedly connected to the electrode sheet (3) is sleeved in the rubber ring (16), the conductive block (11) is sleeved in the countersunk hole (12) and abuts against the bolt (14).

4. The solid-state battery with good sealing effect according to claim 1, characterized in that: Both ends of the casing (5) are respectively provided with a section of external thread (17), and the internal thread cover (9) is connected to the casing (5) via the external thread (17).

5. The solid-state battery with good sealing effect according to claim 1, characterized in that: The outer axial portion of the internal thread cover (9) is provided with a plurality of equally spaced annular guide grooves (8), each of which is movably connected to a guide block (7), and the guide block (7) is fixedly connected to the rubber sleeve (2). The outer radial portion of the limit sleeve (1) is provided with a plurality of equally spaced positioning grooves (18), each of which is plugged into a positioning block (19), and the positioning block (19) is fixedly connected to the rubber sleeve (2), and each of the positioning blocks (19) is aligned with one of the guide blocks (7).

6. A solid-state battery with good sealing effect according to claim 5, characterized in that: The guide block (7) and the guide groove (8) are in interference fit, the positioning block (19) and the positioning groove (18) are also in interference fit, and both the guide block (7) and the positioning block (19) are made of rubber.

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