CN211719683U - Lithium ion battery group with waterproof case - Google Patents

Abstract

The utility model discloses a lithium ion battery group with waterproof shell, including the shell, the dry box of the middle fixedly connected with of shell, the packing has dry material in the middle of the dry box, and the both sides of dry box are equipped with the through-hole, and dry box both sides are equipped with lithium ion battery, and the upside that the centre of shell is located dry box has the backup pad through bolted connection, and the upside of shell is equipped with shelters from the lid, and the upside that shelters from the lid is equipped with the connecting cover, connects the both sides of lid and shelters from and is equipped with the bolt between the lid, the utility model discloses a shelter from lid, connect the cooperation of lid and shell and use, waterproof lithium ion battery.

Description

Lithium ion battery group with waterproof case

Technical Field

The utility model relates to a lithium ion battery field specifically is a lithium ion battery group with waterproof housing.

Background

As fossil energy continues to be consumed, and becomes less and less, people are pursuing energy that is both sustainable and clean. Lithium ion batteries are widely used in the field of transportation due to their characteristics of environmental protection, high energy output, etc., and lithium ion batteries are secondary batteries which mainly rely on lithium ions moving between a positive electrode and a negative electrode to work. During the charge and discharge process, Li + is inserted and extracted back and forth between the two electrodes. If water is fed into the lithium ion battery pack, the short circuit of the battery is easily caused, and the combustion and explosion of the battery can be caused in serious conditions, so that serious potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium ion battery group with waterproof case to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium ion battery group with waterproof case, includes the shell, the dry box of the middle fixedly connected with of shell, it has dry material to fill in the middle of the dry box, the both sides of dry box all are equipped with the through-hole, dry box both sides are equipped with lithium ion battery, there is the backup pad the upside that the centre of shell is located dry box through bolted connection, the upside of shell is equipped with shelters from the lid, the upside that shelters from the lid is equipped with the connecting cover, the both sides of connecting the lid and shelter from and be equipped with the bolt between the lid.

Preferably, the supporting plate is of an I-shaped structure, the sleeve is fixedly connected to the middle of the supporting plate, internal threads are arranged in the middle of the sleeve, a connecting plate is arranged on the upper side of the sleeve, a connecting column is fixedly connected to the lower end of the connecting plate, and the connecting column is in threaded connection with the sleeve.

Preferably, the two sides of the shielding cover are of inclined structures, grooves are formed in the two sides of the shell, rubber is filled in the grooves, extrusion plates are fixedly connected to the lower portions of the two sides of the shielding cover and are matched with the grooves, guide rods are connected between the shielding cover and the connecting plate in a sliding mode and are located on blocking plates fixedly connected to the lower ends of the connecting plate, springs are arranged between the connecting plate and the shielding cover, and the springs are wound on the guide rods.

Preferably, the both sides of connecting the lid also are the slope structure, the centre of connecting the lid is parallel structure, fixedly connected with fixed plate between the below of connecting the lid and the connecting plate, both sides top all is wavy structure in the middle of connecting lid both sides below and the shelter from the lid, constitute crooked passageway between connecting the lid and the shelter from the lid.

Compared with the prior art, the beneficial effects of the utility model are that: with spliced pole and sleeve threaded connection, to shelter from the lid and be connected the lid with the shell, rotatory bolt extrudees sheltering from the lid, mutual slip between guide bar and the connecting plate, the stripper plate extrudees rubber in to the recess, it is sealed to form, avoid intaking, shelter from the both sides of lid and connection lid and all be the slope structure, make water flow away along the slope, shelter from and form crooked passageway between lid and the connection lid, can block water, avoid water to flow into along the passageway, the passageway can carry out gas exchange with the outside inside the shell simultaneously, give off the heat that lithium ion battery group produced, the life of extension battery.

Drawings

FIG. 1 is a schematic view of a housing connection configuration;

fig. 2 is a top view of the support plate connection structure.

In the figure: the lithium ion battery comprises a shell 1, a lithium ion battery 2, a drying box 3, a through hole 4, a supporting plate 5, a sleeve 6, a shielding cover 7, an extrusion plate 8, a connecting cover 9, a connecting plate 10, a connecting column 11, a guide rod 12 and a fixing plate 13.

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.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a lithium ion battery group with waterproof case, which comprises a housing 1, the dry box 3 of the middle fixedly connected with of shell 1, it has dry material to fill in the middle of the dry box 3, the both sides of dry box 3 all are equipped with through-hole 4, dry material can absorb the water that gets into and avoid causing the influence to lithium ion battery group, 3 both sides of dry box are equipped with lithium ion battery 2, there is backup pad 5 the upside that the centre of shell 1 is located dry box 3 through bolted connection, the upside of shell 1 is equipped with shelters from lid 7, the upside that shelters from lid 7 is equipped with connection lid 9, connect the both sides of lid 9 and shelter from and be equipped with the bolt.

The support plate 5 is of an I-shaped structure, the sleeve 6 is fixedly connected to the middle of the support plate 5, internal threads are arranged in the middle of the sleeve 6, the connecting plate 10 is arranged on the upper side of the sleeve 6, the connecting column 11 is fixedly connected to the lower end of the connecting plate 10, the connecting column 11 is in threaded connection with the sleeve 6, and the connecting column 11 is in threaded connection with the sleeve 6, so that the connecting cover 9 and the shielding cover 7 are fixedly connected with the shell 1.

The both sides of sheltering from lid 7 are the slope structure, the both sides of shell 1 are equipped with the recess, the recess intussuseption is filled with rubber, shelter from both sides below fixedly connected with stripper plate 8 of lid 7, stripper plate 8 and recess phase-match, sliding connection has guide bar 12 between shelter from lid 7 and the connecting plate 10, guide bar 12 is located connecting plate 10 lower extreme fixedly connected with barrier plate, be equipped with the spring between connecting plate 10 and the shelter from the lid 7, the spring winding is on guide bar 12, the both sides of shelter from lid 7 are the slope structure, make hydroenergy flow away along shelter from lid 7 both sides, rotatory bolt extrudees shelter from lid 7, promote shelter from lid 7 and move along guide bar 12 downwards, extrude the spring simultaneously, stripper plate 8 joint is gone into in the recess, extrude rubber, side to shell 1 seals.

The both sides of connecting lid 9 also are the slope structure, the centre of connecting lid 9 is parallel structure, fixedly connected with fixed plate 13 between the below of connecting lid 9 and the connecting plate 10, connect 9 both sides below and shelter from lid 7 middle both sides top all to be wavy structure, connect and constitute crooked passageway between lid 9 and the shelter from lid 7, crooked passageway can block water, avoid water to flow in along the passageway, the passageway can carry out gas exchange with the outside with shell 1 inside simultaneously, give off the heat that lithium ion battery group produced, connecting lid 9 is connected through fixed plate 13 and connecting plate 10, support connecting lid 9.

The working principle is as follows: the connecting column 11 is connected with the sleeve 6 by screw thread, the shielding cover 7 and the connecting cover 9 are connected with the shell 1, the shielding cover 7 is extruded by rotating the bolt, the shielding cover 7 is pushed to move downwards along the guide rod 12, meanwhile, the spring is extruded, the guide rod 12 and the connecting plate 10 slide mutually, the extrusion plate 8 extrudes the rubber in the groove, the side end of the shell 1 is sealed to avoid water inflow, the two sides of the shielding cover 7 and the connecting cover 9 are both inclined structures, so that water flows away along the slope, a bent channel is formed between the shielding cover 7 and the connecting cover 9, the water can be blocked, the water is prevented from flowing into the channel, meanwhile, the channel can exchange gas with the outside inside the shell 1, heat generated by the lithium ion battery pack is dissipated, the service life of the battery is prolonged, and the drying material in the drying box 3 can absorb the entering water through the through hole 4 to avoid influencing the lithium ion battery pack.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a lithium ion battery group with waterproof case, includes shell (1), its characterized in that: the middle of shell (1) is fixedly connected with dry box (3), it has dry material to fill in the middle of dry box (3), the both sides of dry box (3) all are equipped with through-hole (4), dry box (3) both sides are equipped with lithium ion battery (2), there is backup pad (5) the upside that the centre of shell (1) is located dry box (3) through bolted connection, the upside of shell (1) is equipped with shelters from lid (7), the upside that shelters from lid (7) is equipped with connection lid (9), the both sides of connecting lid (9) and shelter from and be equipped with the bolt between lid (7).

2. The lithium ion battery pack with a waterproof housing of claim 1, wherein: backup pad (5) are the I shape structure, the centre fixedly connected with sleeve (6) of backup pad (5), be equipped with the internal thread in the middle of sleeve (6), sleeve (6) upside is equipped with connecting plate (10), the lower extreme fixedly connected with spliced pole (11) of connecting plate (10), threaded connection between spliced pole (11) and sleeve (6).

3. The lithium ion battery pack with a waterproof housing of claim 1, wherein: the both sides of sheltering from lid (7) are the slope structure, the both sides of shell (1) are equipped with the recess, the recess intussuseption is filled with rubber, shelter from both sides below fixedly connected with stripper plate (8) of lid (7), stripper plate (8) and recess phase-match, it has guide bar (12) to shelter from sliding connection between lid (7) and connecting plate (10), guide bar (12) are located connecting plate (10) lower extreme fixedly connected with and block the board, be equipped with the spring between connecting plate (10) and the shelter from lid (7), the spring winding is on guide bar (12).

4. The lithium ion battery pack with a waterproof housing of claim 1, wherein: the both sides of connecting lid (9) are the slope structure also, the centre of connecting lid (9) is parallel structure, fixedly connected with fixed plate (13) between the below of connecting lid (9) and connecting plate (10), both sides top all is wavy structure in the middle of connecting lid (9) both sides below and sheltering from lid (7), connect lid (9) and shelter from and constitute crooked passageway between lid (7).

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