CN213989049U - Lithium battery with good moisture-proof effect - Google Patents

Abstract

The utility model discloses a dampproofing effectual lithium cell, including baffle, apron, electric core and base, the one end of base is equipped with the baffle, install the electrode on the baffle, be equipped with the support frame in the base, the base is through the spacing electric core of installing of support frame, the inside of base is located the space department packing between electric core and the base and has dry bag, be equipped with the drier in the dry bag, the metal rod is installed to the one end of electric core, the insulating cover has been cup jointed in the outside of metal rod, the apron has been put to the electric core upper cover of base, the gluey groove has all been seted up on apron and the base, gluey groove evenly distributed is on apron and base, just the both sides surface in gluey groove on apron and the base all is seted up flutedly for increase sealed adhesive force of gluing, it fills sealed glue to glue the inslot. The utility model discloses possess and have good leakproofness, and then prevent that steam from getting into inside the lithium cell, lead to the impaired advantage of lithium cell.

Description

Lithium battery with good moisture-proof effect

Technical Field

The utility model relates to a lithium cell technical field specifically is a dampproofing effectual lithium cell.

Background

The lithium battery uses lithium metal or lithium alloy as a negative electrode material and uses a nonaqueous electrolyte solution. Because the chemical property of lithium metal is very active wave, make the processing of lithium metal, save, use, require very high to the environment, lithium metal has high oxidizing property to aqueous vapor and oxygen, lithium can react with the aqueous vapor and form lithium hydroxide and hydrogen, and give off heat, cause to expose metal lithium cell quality and performance decline and shorten and reduce the storage life under humid environment, in the current lithium cell transportation, because the phenomenon that can bump in the transportation, lack the device of protection lithium cell body, consequently need design a neotype dampproofing lithium cell.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dampproofing effectual lithium cell possesses and has good leakproofness, and then prevents inside steam gets into the lithium cell, leads to the impaired advantage of lithium cell, has solved current lithium cell transportation, because the phenomenon that can bump in the transportation lacks the device of protection lithium cell body, consequently needs to design a neotype dampproofing lithium cell's problem.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a dampproofing effectual lithium cell, includes baffle, apron, electric core and base, the one end of base is equipped with the baffle, install the electrode on the baffle, be equipped with the support frame in the base, the base passes through the spacing electric core of installing of support frame, the metal rod is installed to the one end of electric core, the insulating cover has been cup jointed in the outside of metal rod, the apron has been put to the electric core upper cover of base, the gluey groove has all been seted up on apron and the base, gluey inslot is filled with sealed glue.

Preferably, the support frame is provided with a limiting groove, the position and the size of the limiting groove are matched with those of the battery cell, and the battery cell is installed in the base in a limiting mode through the limiting groove.

Preferably, the bottom end of the base, which is located at the battery core, is provided with a supporting block, and the supporting block supports the battery core.

Preferably, a drying bag is filled in a gap between the battery core and the base inside the base, and a drying agent is arranged in the drying bag.

Preferably, the number of the electrodes is two, and the two electrodes are electrically connected with the positive electrode and the negative electrode of the battery cell through the metal rods respectively.

Preferably, the thickness of the supporting block is matched with the size of a gap between the battery core and the base.

Preferably, the glue grooves are uniformly distributed on the cover plate and the base, and grooves are formed in the surfaces of the two sides of the glue grooves on the cover plate and the base and used for increasing the adhesive force of the sealant.

Compared with the prior art, the beneficial effects of the utility model are that: by arranging the glue groove, the sealant is filled in the glue groove, and the sealant is used for sealing the gap between the cover plate and the base, so that water vapor is prevented from permeating into the lithium battery through the gap between the cover plate and the base;

by arranging the drying bag, the drying bag is filled between the battery cell and the base and is positioned in a gap between the cover plate and the base, so that the protection of the battery cell is further increased, and the battery cell is prevented from being damaged due to water vapor;

through setting up insulating cover and supporting shoe, insulating cover and supporting shoe can play the effect of support to electric core in the base, and then prevent that electric core from removing, and insulating cover cup joints in the outside of metal rod, play the effect of insulating isolation to the metal rod, and then prevent the inside short circuit that takes place of electric core.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

fig. 3 is a schematic side view of the present invention.

In the figure: 1. a glue groove; 2. an electrode; 3. a baffle plate; 4. a cover plate; 5. sealing glue; 6. a support frame; 7. an insulating sleeve; 8. a metal rod; 9. drying the bag; 10. a limiting groove; 11. a desiccant; 12. an electric core; 13. a support block; 14. a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment:

the utility model provides a lithium cell that dampproofing is effectual, including baffle 3, apron 4, electric core 12 and base 14, the one end of base 14 is equipped with baffle 3, install electrode 2 on the baffle 3, electrode 2 is equipped with two altogether, and two electrode 2 are respectively through the anodal and negative pole electric connection of metal bar 8 with electric core 12, be equipped with support frame 6 in the base 14, spacing groove 10 has been seted up on the support frame 6, and the position and the size of spacing groove 10 and the position and the big or small looks adaptation of electric core 12, electric core 12 is spacing to be installed in base 14 through spacing groove 10, the inside space department that is located between electric core 12 and the base 14 of base 14 fills there is dry bag 9, dry bag 9 fills between electric core 12 and base 14, and dry bag 9 is located the gap department between apron 4 and the base 14, further increase the protection of electric core 12, prevent that steam from leading to electric core 12 impaired.

A drying agent 11 is arranged in the drying bag 9, a supporting block 13 is arranged at the bottom end of the battery cell 12 in the base 14, the insulating sleeve 7 and the supporting block 13 can support the battery cell 12 in the base 14 to prevent the battery cell 12 from moving, the insulating sleeve 7 is sleeved outside the metal rod 8 to achieve the effect of insulating and isolating the metal rod 8, so as to prevent short circuit in the battery cell 12, the thickness of the supporting block 13 is matched with the size of a gap between the battery cell 12 and the base 14, the supporting block 13 supports the battery cell 12, the base 14 is provided with the battery cell 12 in a limiting way through a supporting frame 6, one end of the battery cell 12 is provided with the metal rod 8, the outer side of the metal rod 8 is sleeved with the insulating sleeve 7, a cover plate 4 is covered on the battery cell 12 of the base 14, glue grooves 1 are respectively arranged on the cover plate 4 and the base 14, the glue grooves 1 are filled with a sealant 5, the gap between the cover plate 4 and the base 14 is sealed through the sealant 5, and then prevent inside steam permeates the lithium cell through the gap between apron 4 and the base 14, glue groove 1 evenly distributed is on apron 4 and base 14, and the both sides surface of glue groove 1 on apron 4 and the base 14 all sets up flutedly for increase the adhesive force of sealed glue 5, it has sealed glue 5 to pour into in the glue groove 1.

The working principle is as follows: when a user uses the lithium battery, the cover plate 4 and the base 14 are both provided with a glue groove 1, the glue groove 1 is filled with a sealant 5, the cover plate 4 and the two side surfaces of the glue groove 1 on the base 14 are both provided with grooves for increasing the adhesive force of the sealant 5, a gap between the cover plate 4 and the base 14 is sealed by the sealant 5, so as to prevent water vapor from permeating into the lithium battery interior 3 through the gap between the cover plate 4 and the base 14, one end of the battery cell 12 is provided with a metal rod 8, the outer side of the metal rod 8 is sleeved with an insulating sleeve 7, the inside of the base 14 is provided with a supporting block 13 at the bottom end of the battery cell 12, the insulating sleeve 7 and the supporting block 13 can play a supporting role for the battery cell 12 in the base 14, so as to prevent the battery cell 12 from moving, the insulating sleeve 7 is sleeved at the outer side of the metal rod 8, so as to play an insulating and isolating role for the metal rod 8, so as to prevent the short circuit inside of the battery cell 12, a gap between the battery cell 12 is filled with a drying bag 9, the drying bag 9 is filled between the battery cell 12 and the base 14, and the drying bag 9 is located at the gap between the cover plate 4 and the base 14, so that the protection of the battery cell 12 is further increased, and the damage of the battery cell 12 caused by water vapor is prevented.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a lithium cell that dampproofing is effectual, includes baffle (3), apron (4), electric core (12) and base (14), its characterized in that: the one end of base (14) is equipped with baffle (3), install electrode (2) on baffle (3), be equipped with support frame (6) in base (14), base (14) are through support frame (6) spacing installation electric core (12), metal bar (8) are installed to the one end of electric core (12), insulating cover (7) have been cup jointed in the outside of metal bar (8), apron (4) have been put to electric core (12) upper cover of base (14), glue groove (1) has all been seted up on apron (4) and base (14), pour into sealed glue (5) in glue groove (1).

2. The lithium battery of claim 1 having a good moisture barrier effect, wherein: the battery cell is characterized in that a limiting groove (10) is formed in the supporting frame (6), the position and the size of the limiting groove (10) are matched with those of the battery cell (12), and the battery cell (12) is installed in the base (14) in a limiting mode through the limiting groove (10).

3. The lithium battery of claim 1 having a good moisture barrier effect, wherein: the bottom that is located electric core (12) inside of base (14) is equipped with supporting shoe (13), electric core (12) are supported in supporting shoe (13).

4. The lithium battery of claim 1 having a good moisture barrier effect, wherein: the drying bag (9) is filled in a gap between the battery cell (12) and the base (14) in the base (14), and a drying agent (11) is arranged in the drying bag (9).

5. The lithium battery of claim 1 having a good moisture barrier effect, wherein: the number of the electrodes (2) is two, and the two electrodes (2) are electrically connected with the positive electrode and the negative electrode of the battery cell (12) through the metal rod (8) respectively.

6. A lithium battery as claimed in claim 3, which is moisture-proof, characterized in that: the thickness of the supporting block (13) is matched with the size of a gap between the battery cell (12) and the base (14).

7. The lithium battery of claim 1 having a good moisture barrier effect, wherein: the glue groove (1) is uniformly distributed on the cover plate (4) and the base (14), and grooves are formed in the surfaces of the two sides of the glue groove (1) on the cover plate (4) and the base (14) and used for increasing the adhesive force of the sealant (5).

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