CN209947891U

CN209947891U - Battery protection board assembly

Info

Publication number: CN209947891U
Application number: CN201920158908.3U
Authority: CN
Inventors: 李佳聪; 罗斌; 罗军
Original assignee: Shenzhen Hongshengtai Technology Co Ltd
Current assignee: Shenzhen Hongshengtai Technology Co Ltd
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2020-01-14
Anticipated expiration: 2029-01-29

Abstract

The utility model discloses a battery protection plate subassembly, including the protection box, lid and battery protection shield main part, protection box one side is the opening form, the lid sets up and is equipped with opening one side in the protection box, lid one side and protection box rotatable coupling, the spout has been seted up to the relative both sides of protection box inner wall, the relative both sides of battery protection shield main part are equipped with the fixture block, the battery protection shield main part sets up in the protection box, battery protection shield main part and protection box inner wall sliding connection, the opening one end of protection box is equipped with the annular groove, the lid is close to protection box one side and is equipped with the annular bulge, the inside first sealing washer that is provided with of annular groove, the battery protection shield main part is close to lid one end and is equipped with data socket. The utility model provides a battery protection board subassembly protects lithium ion battery protection shield, prevents to have dust, debris and water etc. to influence lithium ion battery protection shield.

Description

Battery protection board assembly

Technical Field

The utility model relates to a battery protection shield technical field especially relates to a battery protection shield subassembly.

Background

The battery protection board, as the name implies, is an integrated circuit board that mainly protects rechargeable (generally referred to as lithium battery). The need for protection of lithium batteries (rechargeable) is determined by their intrinsic characteristics. Because the material of lithium cell itself has decided it can not by overcharge, overdischarge, overflow, short circuit and ultra-high temperature charge-discharge, consequently lithium cell subassembly always can follow the protection shield of taking sampling resistance and a slice current fuse appears.

The existing battery protection board is usually directly connected with a battery, a protection structure is not additionally arranged on the battery protection board, dust, sundries, water and the like are prevented from contacting the battery protection board, electronic components on the battery protection board are directly exposed outside, the battery protection board is easily damaged, the service life of the battery protection board is shortened, and the safety during use is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery protection board subassembly protects lithium ion battery protection shield, prevents to have dust, debris and water etc. to influence lithium ion battery protection shield.

The utility model discloses a technical scheme that battery protection shield subassembly adopted is:

a battery protection board assembly comprises a protection box, a box cover and a battery protection board main body, wherein one side of the protection box is in an open shape, the box cover is arranged on one side of the protection box, which is provided with an opening, one side of the box cover is rotatably connected with the protection box, the other side of the box cover is provided with a locking device which is locked with the protection box, the two opposite sides of the inner wall of the protection box are provided with sliding grooves, the two opposite sides of the battery protection board main body are provided with clamping blocks corresponding to the sliding grooves, the battery protection board main body is arranged in the protection box and is in sliding connection with the sliding grooves on the inner wall of the protection box through the clamping blocks, one end of the opening of the protection box is provided with an annular groove, one side of the box cover close to the protection box is provided with an annular bulge matched with the annular, the box cover is provided with a through hole corresponding to the data socket, and the data socket is arranged in the through hole.

As the preferred scheme, lid through-hole inner wall is equipped with the second sealing washer, the second sealing washer sets up between data socket and through-hole.

According to a preferable scheme, the locking device comprises a shell, a retaining ring, a connecting rod and a spring, the connecting rod is arranged in the shell in a sliding connection mode, one end of the connecting rod extends out of the shell to be fixedly connected with the retaining ring, the retaining ring is arranged at one end close to the protection box, a blocking piece is arranged at one end, far away from the retaining ring, of the connecting rod, the spring is sleeved on the surface of the connecting rod, and the spring is located between the blocking piece and the inner.

Preferably, the side of the protection box is provided with a hook matched with the retaining ring.

Preferably, the sliding groove is formed in the middle of the inner wall of the protection box.

Preferably, a rubber shock pad is further arranged in the protection box and arranged on one side, far away from the opening, of the protection box.

The utility model discloses a battery protection board subassembly's beneficial effect is: the lid sets up in protection box one side that is equipped with the opening, lid one side and protection box rotatable coupling, and the lid opposite side is equipped with the locking device who carries out locking with the protection box, and the spout has been seted up to the relative both sides of protection box inner wall, and the relative both sides of battery protection shield main part are equipped with the fixture block that corresponds with the spout. The battery protection plate main body is inserted into the protection box from one side of the opening of the protection box through the fixture block and the sliding groove, so that the battery protection plate main body is fixedly arranged in the protection box, and the box cover and the protection box are closed and sealed by using the locking device on the box cover, so that dust and sundries are prevented from entering the protection box and affecting electronic components on the battery protection plate main body; be equipped with the annular groove in the opening one end of protection box, the lid is close to protection box one side and is equipped with the annular bulge with annular groove looks adaptation, the inside first sealing washer that is provided with of annular groove, when lid and protection box contacted closed, the annular bulge on the lid clamps in the annular groove on the protection box, extrude the first sealing washer that sets up in the annular groove, prevent that liquid such as water from entering into the protection box inside from the gap between lid and the protection box, cause the influence to the battery protection shield main part, waterproof purpose has been played.

Drawings

Fig. 1 is a schematic structural diagram of a battery protection board assembly of the present invention.

Fig. 2 is a cross-sectional view of a battery protection plate assembly of the present invention.

Fig. 3 is a schematic structural view of a locking device of a battery protection board assembly of the present invention.

Detailed Description

The invention will be further elucidated and described with reference to the following embodiments and drawings in which:

referring to fig. 1 and 2, a battery protection board assembly includes a protection box 10, a box cover 20 and a battery protection board main body 30, wherein one side of the protection box 10 is open, the box cover 20 is disposed on the side of the protection box 10 having the opening, one side of the box cover 20 is rotatably connected to the protection box 10, and the other side of the box cover 20 is provided with a locking device 40 for locking the protection box 10.

Referring to fig. 3, the locking device 40 includes a housing 41, a retaining ring 42, a connecting rod 43 and a spring 45, the connecting rod 43 is slidably disposed in the housing 41, one end of the connecting rod 43 extends out of the housing 41 to be fixedly connected with the retaining ring 42, the retaining ring 42 is disposed at an end close to the protection box 10, a blocking piece 44 is disposed at an end of the connecting rod 43 away from the retaining ring 42, the spring 45 is sleeved on a surface of the connecting rod 43, the spring 45 is disposed between the blocking piece 44 and an inner wall of the housing 41, and a hook 11 adapted to the retaining ring 42 is disposed on a side surface of the protection box.

When the box cover 20 is in contact with the protection box 10, the snap ring 42 is stretched towards the side of the hook 11 on the protection box 10, so that the spring 45 in the shell 41 is compressed, the connecting rod 43 slides towards the protection box 10 in the shell 41, when the snap ring 42 is clamped with the hook 11 on the protection box 10, the snap ring 42 is loosened, the connecting rod 43 slides towards the direction far away from the protection box 10 under the elastic force of the spring 45, and the box cover 20 and the protection box 10 are closed and sealed by the snap ring 42 and the hook 11.

The relative both sides of protection box 10 inner wall have been seted up spout 12, the relative both sides of battery protection shield main part 30 are equipped with the fixture block 31 that corresponds with spout 12, battery protection shield main part 30 sets up in protection box 10, battery protection shield main part 30 carries out sliding connection through fixture block 31 and the spout 12 of protection box 10 inner wall, the opening one end of protection box 10 is equipped with annular groove 13, lid 20 is close to protection box 10 one side and is equipped with the annular bulge 21 with annular groove 13 looks adaptation, annular groove 13 is inside to be provided with first sealing washer 14.

The battery protection plate body 30 is provided with a data socket 31 at one end close to the box cover 20, the box cover 20 is provided with a through hole 22 corresponding to the data socket 31, and the data socket 31 is arranged in the through hole 22. The data jack 31 is exposed, so that when people carry out circuit connection, the data jack 31 can be directly used for being connected with a main circuit, the battery protection plate main body 30 does not need to be taken out of the protection box 10, and the protection box 10 is also used for protecting the battery protection plate main body 30 when the battery protection plate main body is used.

A second sealing ring 23 is arranged on the inner wall of the through hole 22 of the box cover 20, and the second sealing ring 23 is arranged between the data socket 31 and the through hole 22. When the data jack 31 is disposed in the through hole 22, the second sealing ring 23 on the through hole 22 is squeezed, so that the gap between the data jack 31 and the through hole 22 is filled, and other liquids such as water are prevented from entering the protection box 10 from the through hole 22 of the box cover 20, thereby playing a waterproof role.

The battery protection plate main body 30 is inserted into the protection box 10 from the opening side of the protection box 10 through the fixture blocks 31 and the sliding grooves 12, so that the battery protection plate main body 30 is fixedly arranged in the protection box 10, and the box cover 20 and the protection box 10 are closed and sealed by the locking device 40 on the box cover 20, so that dust and sundries are prevented from entering the protection box 10 and affecting electronic components on the battery protection plate main body 30; an annular groove 13 is formed in one end of an opening of the protection box 10, an annular protrusion 21 matched with the annular groove 13 is arranged on one side, close to the protection box 10, of the box cover 20, a first sealing ring 14 is arranged inside the annular groove 13, when the box cover 20 is in contact with the protection box 10 to be closed, the annular protrusion 21 on the box cover 20 is clamped in the annular groove 13 on the protection box 10, the first sealing ring 14 arranged in the annular groove 13 is extruded, liquid such as water is prevented from entering the protection box 10 from a gap between the box cover 20 and the protection box 10, the battery protection plate main body 30 is influenced, and the waterproof purpose is achieved.

In the above scheme, the sliding groove 12 is disposed in the middle of the inner wall of the protection box 10, so that when the battery protection board main body 30 is slidably inserted into the protection box 10, the inner wall of the protection box 10 does not extrude electronic components on the battery protection board main body 30, and a certain space is formed above and below the battery protection board main body 30.

A rubber shock pad 15 is further arranged in the protection box 10, and the rubber shock pad 15 is arranged on one side, far away from the opening, of the protection box 10. The rubber cushion 15 is used to prevent the impact force to the battery protection plate main body 30 when the protection case 10 is accidentally dropped, and to prevent the damage to the electronic components on the battery protection plate main body 30.

The utility model provides a battery protection board subassembly, lid set up and are equipped with opening one side in the protection box, lid one side and protection box rotatable coupling, the lid opposite side is equipped with the locking device who carries out locking with the protection box, and the spout has been seted up to the relative both sides of protection box inner wall, and the relative both sides of battery protection shield main part are equipped with the fixture block that corresponds with the spout. The battery protection plate main body is inserted into the protection box from one side of the opening of the protection box through the fixture block and the sliding groove, so that the battery protection plate main body is fixedly arranged in the protection box, and the box cover and the protection box are closed and sealed by using the locking device on the box cover, so that dust and sundries are prevented from entering the protection box and affecting electronic components on the battery protection plate main body; be equipped with the annular groove in the opening one end of protection box, the lid is close to protection box one side and is equipped with the annular bulge with annular groove looks adaptation, the inside first sealing washer that is provided with of annular groove, when lid and protection box contacted closed, the annular bulge on the lid clamps in the annular groove on the protection box, extrude the first sealing washer that sets up in the annular groove, prevent that liquid such as water from entering into the protection box inside from the gap between lid and the protection box, cause the influence to the battery protection shield main part, waterproof purpose has been played.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A battery protection board assembly is characterized by comprising a protection box, a box cover and a battery protection board main body, wherein one side of the protection box is in an open shape, the box cover is arranged on one side of the protection box, one side of the box cover is rotatably connected with the protection box, the other side of the box cover is provided with a locking device which is locked with the protection box, the two opposite sides of the inner wall of the protection box are provided with sliding grooves, the two opposite sides of the battery protection board main body are provided with clamping blocks corresponding to the sliding grooves, the battery protection board main body is arranged in the protection box and is in sliding connection with the sliding grooves on the inner wall of the protection box through the clamping blocks, one end of the opening of the protection box is provided with an annular groove, one side of the box cover close to the protection box is provided with an annular bulge matched with the annular groove, a first sealing ring is arranged, the box cover is provided with a through hole corresponding to the data socket, and the data socket is arranged in the through hole.

2. The battery protection board assembly of claim 1, wherein the inner wall of the through hole of the box cover is provided with a second sealing ring, and the second sealing ring is disposed between the data jack and the through hole.

3. The battery protection board assembly of claim 1, wherein the locking device comprises a housing, a buckle, a connecting rod and a spring, the connecting rod is slidably disposed in the housing, one end of the connecting rod extends out of the housing to be fixedly connected with the buckle, the buckle is disposed near one end of the protection box, the end of the connecting rod away from the buckle is provided with a stop, the spring is sleeved on the surface of the connecting rod, and the spring is disposed between the stop and the inner wall of the housing.

4. The battery protection board assembly of claim 3, wherein the side of the protection box is provided with a hook adapted to the buckle.

5. The battery protection plate assembly of claim 1, wherein the sliding groove is formed at a middle portion of an inner wall of the protection case.

6. The battery protection plate assembly of claim 5, wherein a rubber shock pad is further disposed in the protection box, and the rubber shock pad is disposed on a side of the protection box away from the opening.