CN217182300U

CN217182300U - Lithium battery package with high leakproofness structure

Info

Publication number: CN217182300U
Application number: CN202220154648.4U
Authority: CN
Inventors: 陈鸿宇; 陈红周
Original assignee: Nanchi Energy Technology Shenzhen Co ltd
Current assignee: Nanchi Energy Technology Shenzhen Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-08-12
Anticipated expiration: 2032-01-20

Abstract

The utility model provides a lithium cell package with high leakproofness structure relates to lithium battery technology field, including battery body, battery body's upper and lower both sides are equipped with the connecting plate respectively, the seal holder is installed respectively to battery body's both sides, battery body keeps away from one side of utmost point ear and installs the locating plate, be connected each other through sealing connection mechanism between connecting plate, seal holder and the locating plate. The utility model discloses in accomplish the package work back at battery body, through connecting plate and seal frame the outside of connecting plate, seal frame and location integrated circuit board and installation to battery body through sealing connection mechanism for battery body is when transporting, parts between each battery body, thereby avoids battery body to suffer the extrusion when the operation, better protects battery body.

Description

Lithium battery package with high leakproofness structure

Technical Field

The utility model relates to a lithium cell technical field particularly, relates to a lithium cell package with high leakproofness structure.

Background

Lithium batteries refer to batteries that contain lithium (including metallic lithium, lithium alloys and lithium ions, lithium polymers) in an electrochemical system. Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium metal batteries are generally non-rechargeable and contain lithium in a metallic state. Lithium ion battery does not contain the lithium of metallic state to can charge, carry out the in-process of producing to the lithium cell, can carry out the package work all around to the lithium cell, thereby make the inside liquid of lithium cell can not leak, but in the engineering of carrying out the transportation to the lithium cell, because long-term extrusion, the package that leads to the lithium cell outside can produce the crack, thereby leads to the inside liquid production of lithium cell to leak, can bring the potential safety hazard to lithium cell itself and transportation personnel.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a lithium cell package with high leakproofness structure can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a lithium battery package with a high-tightness structure comprises a battery body, wherein connecting plates are respectively arranged on the upper side and the lower side of the battery body, sealing frames are respectively arranged on the two sides of the battery body, a positioning plate is arranged on one side, away from a pole lug, of the battery body, the connecting plates, the sealing frames and the positioning plate are mutually connected through a sealing connection mechanism, the sealing connection mechanism comprises a plurality of connecting rods, a first sliding block and a second sliding block, one end of each connecting rod is respectively and mutually connected with the upper end and the lower end, close to one side of the battery body, of each sealing frame, each first sliding block is respectively and fixedly arranged on the upper side and the lower side of the positioning plate and close to one end of each sealing frame, each second sliding block is respectively and fixedly arranged in the middle of the upper side and the lower side of the positioning plate, a silica gel pad is respectively arranged in each sealing frame in an opposite direction, and a baffle is respectively and fixedly arranged on one side, close to the pole lug, of each sealing frame, and one side of each sealing frame, which is far away from the lug, is provided with a clamping groove, and each clamping groove is mutually clamped and connected with the two ends of the positioning plate.

Preferably, the ends of the connecting rods close to each other are movably arranged in movable grooves respectively, and the movable grooves are arranged on two sides of the connecting plate respectively.

Preferably, one end of the connecting rod, which is located inside the movable groove, is fixedly provided with a limiting plate respectively, and a spring is sleeved on the outer side of the rod body of the connecting rod, which is located between the movable groove and the limiting plate respectively.

Preferably, the first sliding block is movably mounted in the first sliding groove, and the first sliding groove is respectively arranged on the upper side and the lower side of the inner portion of the clamping groove.

Preferably, the second sliding block is movably arranged inside the second sliding groove, and the second sliding groove is formed in the middle of the opposite surface of the connecting plate.

Preferably, the two sides of the second sliding block are respectively and fixedly provided with positioning angles, the positioning angles are the same in interval, the two sides of the inside of the second sliding groove are respectively provided with a groove, and a rotating rod is movably arranged in the groove.

Preferably, the rod body of the rotating rod is fixedly provided with a connecting frame respectively, one end of the connecting frame is clamped and connected with the positioning angle respectively, one end of the connecting frame, far away from the positioning angle, is fixedly provided with a second limiting plate respectively, and a second spring is arranged between the second limiting plate and the groove respectively.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses in accomplish the package work back at battery body, through connecting plate and seal frame the outside of connecting plate, seal frame and location integrated circuit board and installation to battery body through sealing connection mechanism for battery body is when transporting, parts between each battery body, thereby avoids battery body to suffer the extrusion when the operation, better protects battery body.

(2) The utility model discloses well seal holder, connecting plate and locating plate are used for assisting the package to process battery body and seal the work in the outside of battery body to seal holder internally mounted's silica gel pad is used for carrying out protection work in the outside to battery body, makes battery body at the in-process safety more of operation, can not produce the liquid leakage.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a lithium battery package with a high-sealing structure according to the present invention;

fig. 2 is a schematic front view of a lithium battery package with a high sealing structure according to the present invention;

fig. 3 is a schematic top view of a lithium battery package with a high sealing structure according to the present invention;

fig. 4 is a schematic cross-sectional view taken along a line a-a in fig. 2 of a lithium battery package with a high sealing structure according to the present invention;

fig. 5 is a schematic cross-sectional view taken at B-B in fig. 3 of a lithium battery package with a high sealing structure according to the present invention;

fig. 6 is a schematic cross-sectional view of a lithium battery package with a high sealing structure shown in fig. 2 at C-C according to the present invention;

fig. 7 is an enlarged schematic structural diagram of a lithium battery package with a high sealing structure at the position D in fig. 4 according to the present invention;

fig. 8 is an enlarged schematic structural diagram of a lithium battery package with a high sealing structure at the position E in fig. 5 according to the present invention.

In the figure: 1. a battery body; 2. a connecting plate; 3. a seal holder; 4. positioning a plate; 5. a sealing connection mechanism; 501. a movable groove; 502. a connecting rod; 503. a first spring; 504. a first limiting plate; 505. a first chute; 506. a first sliding block; 507. a second chute; 508. a second sliding block; 509. positioning an angle; 510. a groove; 511. a connecting frame; 512. a second spring; 513. a second limiting plate; 514. a rotating rod; 6. a silica gel pad; 7. a baffle plate; 8. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in fig. 1-8, a lithium battery pack with a high sealing structure comprises a battery body 1, wherein connecting plates 2 are respectively arranged on the upper side and the lower side of the battery body 1, sealing frames 3 are respectively arranged on the two sides of the battery body 1, a positioning plate 4 is arranged on one side of the battery body 1 away from a tab, the connecting plates 2, the sealing frames 3 and the positioning plate 4 are connected with each other through a sealing connection mechanism 5, the sealing connection mechanism 5 comprises a plurality of connecting rods 502, a first sliding block 506 and a second sliding block 508, one end of each connecting rod 502 is respectively connected with the upper end and the lower end of the sealing frame 3 close to one side of the battery body 1, each first sliding block 506 is respectively and fixedly arranged on the upper side and the lower side of the positioning plate 4 and close to one end of the sealing frame 3, each second sliding block 508 is respectively and fixedly arranged in the middle of the upper side and the lower side of the positioning plate 4, and a silica gel pad 6 is respectively arranged in each sealing frame 3 towards the opposite direction, one side of each sealing frame 3, which is close to the pole lug, is fixedly provided with a baffle 7, one side of each sealing frame 3, which is far away from the pole lug, is provided with a clamping groove 8, and each clamping groove 8 is clamped and connected with two ends of the positioning plate 4.

When the connecting rod 502 is specifically arranged, one end, close to each other, of the connecting rod 502 is movably arranged in the movable groove 501 respectively, the movable grooves 501 are arranged on two sides of the connecting plate 2 respectively, one end, located in the movable groove 501, of the connecting rod 502 is fixedly provided with a limiting plate 504 respectively, and the outer side of the rod body, located between the movable groove 501 and the limiting plate 504, of the connecting rod 502 is sleeved with a spring 503 respectively. Be used for auxiliary connecting rod 502 to reset work through a spring 503 and a limiting plate 504, work as staff to both sides pulling seal holder 3, then place back between the seal holder 3 to battery body 1 again, a spring 503 and a limiting plate 504 then auxiliary connecting rod 502 card people activity groove 501's inside again, thereby make seal holder 3 and silica gel pad 6 seal up the both sides of battery body 1 and step up, avoid producing the inside liquid leakage of battery body 1, better protect battery body 1.

When the card slot is specifically arranged, the first sliding blocks 506 are respectively and movably installed inside the first sliding grooves 505, and the first sliding grooves 505 are respectively arranged on the upper side and the lower side of the inside of the card slot 8. Through the cooperation between slider 506 and the spout 505, when the inside of draw-in groove 8 is gone into to locating plate 4 card, fix a position sealed 3 for form wholly between sealed 3 and the locating plate 4, thereby carry out the sealed protection work of omnidirectional to battery body 1, better protect battery body 1.

When specifically setting up, No. two slider 508 is movable mounting respectively in the inside of No. two spout 507, and No. two spout 507 locates respectively in the middle of the opposite face of connecting plate 2. No. two sliders 508 and No. two spouts 507 are used for guiding locating plate 4, make locating plate 4 card that can be more accurate stable go into the inside of draw-in groove 8, thereby fix a position sealed frame 3, and go into draw-in groove 8's inside back at locating plate 4 card, along with the staff continues the promotion to locating plate 4, make locating plate 4 promote battery body 1, thereby cooperate baffle 7 to carry out the high sealed work of all-round leakproofness to battery body 1 at last, better protect battery body 1.

When the sliding block is specifically arranged, positioning angles 509 are fixedly arranged on two sides of the second sliding block 508 respectively, intervals between the positioning angles 509 are the same, grooves 510 are arranged on two sides of the inside of the second sliding groove 507 respectively, and rotating rods 514 are movably arranged inside the grooves 510. Locating angle 509 and link 511 are used for fixing a position No. two slider 508, and when No. two slider 508 promoted completion to battery body 1, fix locating plate 4 through the block between locating angle 509 and the link 511 is inseparabler for locating plate 4 and seal frame 3 can be inseparabler carry out sealed work to battery body 1 all around.

When the positioning device is specifically arranged, the connecting frames 511 are fixedly mounted on the shafts of the rotating rods 514 respectively, one ends of the connecting frames 511 are clamped and connected with the positioning angles 509 respectively, the ends, far away from the positioning angles 509, of the connecting frames 511 are fixedly mounted with second limiting plates 513 respectively, and second springs 512 are arranged between the second limiting plates 513 and the grooves 510 respectively. The rear sides of the positioning angles 509 are respectively provided with an arc shape, the front side of the connecting frame 511 is also provided with the arc shape, when the positioning angles 509 slide in the second sliding grooves 507 through the second sliding blocks 508, the positions where the positioning angles 509 touch the connecting frame 511 are convenient to move through the arc shapes, the positioning angles 509 push the connecting frame 511, the connecting frame 511 rotates with the rotating rods 514 as an axis, the positioning angles 509 cannot be limited by the connecting frame 511, when the connecting frame 511 rotates, the connecting frame 511 extrudes the second springs 512 through the second limiting plates 513, the connecting frame 511 is convenient to reset in the later period, and the connecting frame 511 can be clamped and operated better between the positioning angles 509.

This theory of operation of lithium cell package with high leakproofness structure:

when the battery positioning device is used, the sealing frame 3 is pulled towards two sides firstly, so that the sealing frame 3 drives the connecting rod 502 to leave the inner part of the movable groove 501, the first spring 503 is extruded simultaneously, then the battery body 1 is placed between the sealing frame 3 and the connecting plate 2, then the sealing frame 3 is loosened, the sealing frame 3 is reset through the first spring 503 and the connecting rod 502, the two sides of the battery body 1 are fastened and sealed, then the positioning plate 4 is pushed, the positioning plate 4 is clamped into the inner part of the clamping groove 8 through the matching between the second sliding block 508 and the second sliding groove 507, meanwhile, when the positioning plate 4 is clamped into the inner part of the clamping groove 8, the first sliding block 506 is slidably installed into the inner part of the first sliding groove 505, so that the positioning plate 4 and the sealing frame 3 are integrated, then the positioning plate 4 pushes the battery body 1 along with the pushing of the positioning plate 4, and finally the positioning and sealing of the battery body 1 are completed through the matching of the baffle plate 7, and after locating plate 4 appointed position to, through the block connection between locating angle 509 and link 511, let locating plate 4 can not drop automatically, let between locating plate 4 and the seal frame 3 inseparabler, carry out high sealed work better around to battery body 1.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a lithium cell package with high leakproofness structure, includes battery body (1), its characterized in that: the battery comprises a battery body (1), wherein connecting plates (2) are respectively arranged on the upper side and the lower side of the battery body (1), sealing frames (3) are respectively arranged on the two sides of the battery body (1), a positioning plate (4) is arranged on one side, away from a pole lug, of the battery body (1), the connecting plates (2), the sealing frames (3) and the positioning plate (4) are mutually connected through a sealing connection mechanism (5), the sealing connection mechanism (5) comprises a plurality of connecting rods (502), a first sliding block (506) and a second sliding block (508), one end of each connecting rod (502) is respectively mutually connected with the upper end and the lower end, close to the battery body (1), of the sealing frame (3), each first sliding block (506) is respectively and fixedly arranged on the upper side and the lower side of the positioning plate (4) and close to one end of the sealing frame (3), each second sliding block (508) is respectively and fixedly arranged in the middle of the upper side and the lower side of the positioning plate (4), the inside of every seal holder (3) is equipped with silica gel pad (6) respectively to opposite, every one side that seal holder (3) is close to utmost point ear fixed mounting respectively has baffle (7), every one side that seal holder (3) kept away from utmost point ear is equipped with draw-in groove (8) respectively, every draw-in groove (8) each other block and be connected between the both ends with locating plate (4) respectively.

2. The lithium battery package with the high sealing structure as claimed in claim 1, wherein: one ends, close to each other, of the connecting rods (502) are movably mounted inside the movable grooves (501) respectively, and the movable grooves (501) are arranged on two sides of the connecting plate (2) respectively.

3. The lithium battery package with the high sealing structure as claimed in claim 2, wherein: the connecting rod (502) is located the inside one end of activity groove (501) and is fixed mounting respectively has limiting plate (504), is located connecting rod (502) pole body outside between activity groove (501) and limiting plate (504) is equipped with spring (503) respectively by the cover.

4. The lithium battery package with the high sealing structure as claimed in claim 1, wherein: slider (506) are movable mounting respectively in the inside of a spout (505), both sides about the inside of draw-in groove (8) are located respectively to a spout (505).

5. The lithium battery package with the high sealing structure as claimed in claim 1, wherein: no. two slider (508) are respectively movable mounting in the inside of No. two spout (507), No. two spout (507) are located respectively in the middle of the opposite face of connecting plate (2).

6. The lithium battery pack with the high sealing structure as claimed in claim 5, wherein: two sides of the second sliding block (508) are respectively and fixedly provided with a positioning angle (509) and intervals between the positioning angles (509) are the same, two sides of the inside of the second sliding groove (507) are respectively provided with a groove (510), and a rotating rod (514) is movably arranged in the groove (510).

7. The lithium battery pack with the high sealing structure as claimed in claim 6, wherein: the pole body of bull stick (514) is fixed mounting respectively has link (511), the one end of link (511) respectively with locating angle (509) between card and be connected, the one end that locating angle (509) was kept away from in link (511) is fixed mounting respectively No. two limiting plates (513), be equipped with No. two spring (512) between No. two limiting plates (513) and recess (510) respectively.