CN218896729U

CN218896729U - Waterproof storage battery

Info

Publication number: CN218896729U
Application number: CN202222517944.9U
Authority: CN
Inventors: 陈荣华; 王德喜
Original assignee: Guangzhou Kaijie Power Supply Industrial Co ltd
Current assignee: Guangzhou Kaijie Power Supply Industrial Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-04-21
Anticipated expiration: 2032-09-22

Abstract

The utility model provides a waterproof storage battery which comprises a shell provided with a first placing groove and a second placing groove, a lithium battery arranged in the first placing groove, a lead-acid battery arranged in the second placing groove, a lead with one end being conducted with the lithium battery and the other end being a free end, an upper end cover which is covered on the shell and seals the first placing groove and the second placing groove, and a terminal which is fixedly arranged on the upper end cover and is electrically conducted with the lead-acid battery. According to the scheme, the lithium battery is sealed in the first placing groove through the upper end cover, meanwhile, the upper end cover also seals the lead-acid battery in the second placing groove and is electrically conducted with the terminal, then an electric wire conducted with the lithium battery is led out from the upper end cover, and finally the electric wire is welded on the terminal, so that the lead-lithium battery can be conducted and then the electric energy exchange with an external power supply or electric equipment can be realized. The sealing performance of the first placing groove is further improved through the cover plate, the protective cover is covered on the upper end cover, and the safety and the use stability of the product are improved through multi-layer covering.

Description

Waterproof storage battery

Technical Field

The utility model belongs to the technical field of storage batteries, and particularly relates to a waterproof storage battery.

Background

Storage batteries (Storage batteries) are a device that converts chemical energy directly into electrical energy, which is a Battery designed to be rechargeable, through reversible chemical reactions.

Most of the shell structures of the storage batteries in the prior market are assembled, the waterproof grade of the storage batteries is low, the batteries in the shell are easy to be affected by water and damaged, and serious short circuits can occur between two motors to burn the storage batteries, so that safety problems are easy to be caused.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides a waterproof storage battery which can solve the problems of low waterproof grade, large potential safety hazard and the like of the existing storage battery, has a stable and firm shell structure and high waterproof grade, can prevent an internal battery from being damaged and has a high safety coefficient.

The utility model adopts the following technical scheme:

a waterproof storage battery comprising:

the shell is provided with a first placing groove and a second placing groove;

the lithium battery is arranged in the first placing groove;

the lead-acid battery is arranged in the second placing groove;

one end of the lead is conducted with the lithium battery, and the other end of the lead is a free end;

the upper end cover is covered on the shell and seals the first placing groove and the second placing groove;

the terminal is fixedly arranged on the upper end cover and is electrically connected with the lead-acid battery.

Further, the lithium battery cover is further provided with a cover plate matched with the opening of the first placing groove in shape, the cover plate is used for covering the lithium battery in the first placing groove, a through hole is formed in the cover plate, and the free end of the lead can penetrate through the cover plate from the through hole.

Further, a glue injection groove is formed in the joint of the cover plate and the inner wall of the first placing groove, and sealing glue is arranged on the glue injection groove.

Further, the lead and the through hole are in transition fit.

Further, a stripping part is arranged at the position of the upper end cover corresponding to the through hole on the cover plate, the stripping part is of a hollow structure, and the stripping part is covered on the free end of the lead.

Further, the lithium battery comprises a circuit board electrically connected with the lithium battery, and the circuit board is arranged in the first placing groove.

Further, two clamping and fixing parts used for being fixed on the circuit board are arranged on the cover plate, the two clamping and fixing parts are arranged at intervals, the circuit board can be placed in a gap between the two clamping and fixing parts, and guide inclined planes are arranged on the opposite surfaces of the two clamping and fixing parts.

Further, the terminal is provided with a U-shaped groove which is in welding fit with the free end of the lead.

Further, an insulating layer is arranged on the free end of the wire.

Further, the wire winding machine also comprises a protective cover, wherein the protective cover is covered above the upper end cover, and positive and negative marks are arranged on the protective cover corresponding to the wires.

Compared with the prior art, the utility model has the beneficial effects that:

according to the waterproof storage battery, the lithium battery is placed in the first placing groove of the shell, the lead-acid battery is placed in the second placing groove, the lithium battery is sealed in the first placing groove through the upper end cover, meanwhile, the lead-acid battery is sealed in the second placing groove and is electrically conducted with the terminal, then, an electric wire conducted with the lithium battery is led out from the upper end cover and finally welded on the terminal, so that the lead-acid battery is conducted and then exchanges electric energy with an external power supply or electric equipment, meanwhile, the led-out position of the electric wire and the upper end cover is sealed through sealant, and the waterproof function of the lead-acid battery is met. Through above-mentioned setting, the casing adopts integrated into one piece's mode, and casing simple structure, production installation is all more convenient, and lithium cell and lead acid battery can place respectively in first standing groove and second standing groove and stabilize and form the protection to it, prevent that outside liquid from entering inside and causing harm to lithium cell and lead acid battery, also can improve the security and the stability of using of product self simultaneously.

Drawings

Fig. 1 is a schematic view of the construction of a preferred embodiment of the waterproof storage battery of the present utility model;

fig. 2 is an exploded view of a preferred embodiment of the waterproof storage battery of the present utility model;

fig. 3 is a schematic structural view of a preferred embodiment of the cover plate of the present utility model.

Wherein, each reference sign in the figure:

10. a housing; 101. a first placement groove; 102. a second placement groove; 20. a lithium battery; 30. a wire; 40. an upper end cap; 401. a peeling section; 50. a terminal; 501. a U-shaped groove; 60. a cover plate; 601. a through hole; 602. a glue injection groove; 603. a clamping part; 604. a guide slope; 70. a circuit board; 80. and a protective cover.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

The utility model is shown with reference to fig. 1-3, and comprises a shell 10 provided with a first placing groove 101 and a second placing groove 102, a lithium battery 20 arranged in the first placing groove 101, a lead-acid battery arranged in the second placing groove 102, a lead 30 with one end communicated with the lithium battery 20 and the other end being a free end, an upper end cover 40 covered on the shell 10 and closing the first placing groove 101 and the second placing groove 102, and a terminal 50 fixedly arranged on the upper end cover 40 and electrically communicated with the lead-acid battery. According to the scheme, the lead-acid battery 20 is placed in the first placing groove 101 of the shell 10, the lead-acid battery is placed in the second placing groove 102, the lead-acid battery 20 is sealed in the first placing groove 101 through the upper end cover 40, meanwhile, the lead-acid battery is sealed in the second placing groove 102 and is electrically conducted with the terminal 50, then an electric wire conducted with the lithium battery 20 is led out from the upper end cover 40 and finally welded on the terminal 50, and the lead-acid battery 20 is conducted and then is subjected to electric energy exchange with an external power supply or electric equipment. Through above-mentioned setting, casing 10 adopts integrated into one piece's mode, and casing 10 simple structure, production installation is all more convenient, and lithium cell 20 and lead acid battery can place respectively in first standing groove 101 and second standing groove 102 and stabilize and form the protection to it, prevent that outside liquid from entering inside and causing harm to lithium cell 20 and lead acid battery, also can improve the security of product self and the stability of using simultaneously.

As a preferred embodiment of the utility model, it may also have the following additional technical features:

in this embodiment, as shown in fig. 2-3, the lithium battery pack further includes a cover plate 60 adapted to the opening of the first placement groove 101, the cover plate 60 is used for covering the lithium battery 20 in the first placement groove 101, a through hole 601 is formed in the cover plate 60, and the free end of the wire 30 can pass through the cover plate 60 from the through hole 601. Through the setting of above-mentioned apron 60, can further seal first standing groove 101 for lithium cell 20 can be stable place in first standing groove 101, waterproof grade is higher, and the water-proof effects is better. Meanwhile, the arrangement of the through holes 601 can ensure that the free ends of the wires 30 can smoothly extend to the outside, so that the electric connection with the terminals 50 is realized, and the normal operation of the storage battery is ensured.

In this embodiment, as shown in fig. 2-3, a glue injection groove 602 is disposed at the joint between the cover plate 60 and the inner wall of the first placement groove 101, and a sealant is disposed on the glue injection groove 602. Through setting up of injecting glue groove 602 and sealant, can increase the connection compactness between apron 60 and the first standing groove 101, can block that liquid from the junction of apron 60 and first standing groove 101 inner wall from entering into first standing groove 101, the water-proof effects is better. Meanwhile, after the sealant is poured, the sealant can not flow to other positions by the arrangement of the sealant pouring groove 602, so that the sealant is prevented from adhering to other parts and affecting the normal use of the other parts.

In combination with the above arrangement of the through hole 601, in this embodiment, the conductive wire 30 and the through hole 601 are in transition fit. Through the above-mentioned cooperation setting, can make wire 30 pull out the back from through-hole 601, wire 30 can not take place to remove any more for wire 30 can be stable be connected with terminal 50, improves the stability of being connected between wire 30 and the terminal 50, and the cooperation department point injecting sealant of wire 30 and through-hole 601 simultaneously ensures here complex sealed waterproof requirement, ensures that the battery can normally function.

In this embodiment, referring to fig. 2, a stripping portion 401 is disposed at a position of the upper end cover 40 corresponding to the through hole 601 on the cover plate 60, the stripping portion 401 has a hollow structure, and the stripping portion 401 is covered on the free end of the wire 30. Through the setting of stripping part 401, when upper end cover 40 lid closes on casing 10, stripping part 401 can cover and establish on the wire 30 free end and form the protection to it this moment, and under this case, be sealed state between whole casing 10 and upper end cover 40, outside liquid can not contact wire 30, can avoid two wire 30 contact to take place the short circuit and burn the battery, improves the waterproof grade of product. When the lead-lithium battery is connected subsequently, a user can directly detach the stripping part 401 by using a detaching tool, finally, the lead 30 can be welded on the terminal 50, and meanwhile, the sealing glue is injected at the matching position of the lead 30 and the through hole 601, so that the matched sealing waterproof requirement is ensured, and the normal use of the storage battery is realized.

In this embodiment, as shown in fig. 2, the lithium battery 20 further includes a circuit board 70 electrically connected to the lithium battery, and the circuit board 70 is disposed in the first placement groove 101. Through the setting of circuit board 70, can play stable function to lithium cell 20's voltage, ensure the normal work of consumer, still provide the protection function that charges simultaneously, can ensure that lithium cell 20 can break off charging circuit voluntarily after being full of electricity, effectually avoid lithium cell 20 to overcharge and cause lithium cell 20 to damage, improve the life of battery.

In this embodiment, referring to fig. 3, two fastening portions 603 for fixing to the circuit board 70 are provided on the cover 60, the two fastening portions 603 are disposed at intervals, the circuit board 70 can be placed in a gap between the two fastening portions 603, and guiding inclined surfaces 604 are provided on the opposite surfaces of the two fastening portions 603. Through the arrangement, the circuit board 70 is stably placed in the first placing groove 101, shaking of the circuit board is avoided, stable connection between the circuit board 70 and the lithium battery 20 is ensured, and the service life of the storage battery is prolonged. Through the arrangement of the guide inclined plane 604, the circuit board 70 can smoothly slide along the guide inclined plane 604 to enter the gap between the two clamping and fixing parts 603, and the difficulty in mounting the circuit board 70 is reduced.

In this embodiment, referring to fig. 2, the terminal 50 is provided with a U-shaped groove 501 welded to the free end of the wire 30. Through the setting of U type groove 501, can make the better placing of free end of wire 30 fix on terminal 50, be convenient for follow-up welded connection increases the connection stability between wire 30 and the terminal 50, also reduces the connection degree of difficulty of wire 30 and terminal 50 simultaneously, improves work efficiency.

In this embodiment, an insulating layer is disposed on the free end of the conductive wire 30. Through the setting of insulating layer, can prevent that the staff from touching by mistake and leading to two wires 30 to contact and take place the short circuit before wire 30 does not use, improve the security of using and the life of battery.

In this embodiment, referring to fig. 1-2, the protecting cover 80 is covered on the upper end cover 40, and the protecting cover 80 is provided with positive and negative marks corresponding to the wires 30. Through the setting of above-mentioned visor 80, can carry out cladding protection to the battery top before the battery is unused, avoid terminal 50 and upper end cover 40 to receive the impact, simultaneously through the setting of positive negative pole sign, can conveniently the user distinguish two wires 30 fast and connect the positive negative pole of lithium cell 20, ensure from this that follow-up electric connection can not take place the mistake, can cover through the setting of visor 80 simultaneously upper end cover 40 corresponds the annotate liquid hole that second standing groove 102 set up, prevent that outside liquid from entering inside to cause the harm to lead acid battery, improve the security and the stability of using of product self.

The above additional technical features can be freely combined and superimposed by a person skilled in the art without conflict.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. Waterproof battery, its characterized in that includes:

a housing (10) provided with a first placement groove (101) and a second placement groove (102);

a lithium battery (20) disposed in the first placement groove (101);

a lead acid battery disposed in the second placement groove (102);

one end of the lead (30) is communicated with the lithium battery (20), and the other end of the lead is a free end;

an upper end cover (40) which is covered on the shell (10) and seals the first placing groove (101) and the second placing groove (102);

and the terminal (50) is fixedly arranged on the upper end cover (40) and is electrically connected with the lead-acid battery.

2. The waterproof storage battery according to claim 1, further comprising a cover plate (60) adapted to the shape of the opening of the first placement groove (101), wherein the cover plate (60) is used for covering the lithium battery (20) in the first placement groove (101), a through hole (601) is formed in the cover plate (60), and the free end of the wire (30) can pass through the cover plate (60) from the through hole (601).

3. The waterproof storage battery according to claim 2, wherein a glue injection groove (602) is formed at the joint of the cover plate (60) and the inner wall of the first placing groove (101), and sealing glue is arranged on the glue injection groove (602).

4. The waterproof battery according to claim 2, wherein the lead (30) and the through hole (601) are transition fitted.

5. The waterproof storage battery according to claim 2, wherein a stripping part (401) is arranged at a position of the upper end cover (40) corresponding to the through hole (601) on the cover plate (60), the stripping part (401) is of a hollow structure, and the stripping part (401) is covered on the free end of the lead (30).

6. The waterproof storage battery according to claim 2, further comprising a wiring board (70) electrically connected to the lithium battery (20), the wiring board (70) being disposed in the first placement groove (101).

7. The waterproof storage battery according to claim 6, wherein two clamping portions (603) for fixing to the circuit board (70) are arranged on the cover plate (60), the two clamping portions (603) are arranged at intervals, the circuit board (70) can be placed in a gap between the two clamping portions (603), and guide inclined planes (604) are arranged on opposite surfaces of the two clamping portions (603).

8. The waterproof accumulator according to claim 7, characterized in that the terminal (50) is provided with a U-shaped groove (501) in welded engagement with the free end of the wire (30).

9. The waterproof accumulator according to claim 1, characterized in that the free end of the wire (30) is provided with an insulating layer.

10. The waterproof storage battery according to claim 1, further comprising a protective cover (80), wherein the protective cover (80) covers over the upper end cover (40), and positive and negative signs are provided on the protective cover (80) corresponding to the wires (30).