CN207542846U - A kind of easy-to-mount lithium ion batteries protector - Google Patents

Abstract

The utility model discloses a lithium ion battery protection device which is convenient for disassembly and assembly, which comprises a box-shaped waterproof case and a sealing cover. The installation chamber of the body, the lithium-ion battery is installed in the installation chamber, the surface of the waterproof case is also provided with a charging interface and a discharge interface, and the charging interface and the discharge interface are electrically connected to the lithium-ion battery. It is characterized in that the sealing clamping mechanism includes A circle of outer clamping surface at the clamping end of the waterproof shell, and a circle of inner clamping surface at the clamping end of the sealing cover for fitting and clamping with the outer clamping surface, the outer clamping surface is provided with two Lever, one end of the two levers is hingedly connected, the other end of the two levers is bent and extended outward to form an extruding end and an articulated end, and the inner clamping surface of the sealing cover is correspondingly provided with an accommodating groove for the articulated end and an extruding end through hole. The utility model has the advantages of good waterproof protection effect, convenient disassembly and assembly, and the like.

Description

A lithium-ion battery protection device that is easy to disassemble

technical field

The utility model relates to the field of lithium-ion batteries, in particular to a lithium-ion battery protection device which is easy to assemble and disassemble.

Background technique

Lithium-ion battery is a rechargeable secondary battery. It mainly relies on the movement of lithium ions between electrodes during charging and discharging to complete the transmission of lithium ions inside the battery and electrons in the external circuit of the battery. Conversion of other forms of energy.

When existing lithium-ion batteries are used, they are often used directly in the form of bare cells. With the rapid development of digital technology, the market of mobile electronic products such as mobile phones, tablet computers, and digital cameras has experienced rapid growth, and lithium-ion batteries have been widely used. With the continuous increase of the functions of these electronic products, the direct use of traditional lithium-ion battery bare cells can no longer meet market demand. Therefore, packaging structures are needed to protect lithium-ion battery cells or meet different functional requirements. Now Some packaging structures cannot be effectively waterproofed, and at the same time cannot be effectively disassembled.

In addition, the existing lithium-ion battery is limited by the charging capacity when it is used on a trip, and it is inconvenient to charge when the battery is exhausted.

Therefore, how to design a lithium-ion battery protection device that has a better waterproof protection effect and is easy to disassemble has become a problem to be considered and solved.

Utility model content

The technical problem to be solved by the utility model is: how to provide a lithium-ion battery protection device that is convenient for charging to prolong the use time and has a good waterproof protection effect and is easy to disassemble.

In order to solve the above technical problems, the utility model adopts the following technical solutions.

A lithium-ion battery protection device that is easy to disassemble and assemble, including a box-shaped waterproof case and a sealing cover. The waterproof case and the sealing cover can be snapped together through a sealing snap-in mechanism, and an overall rectangular installation chamber is formed inside. , the lithium-ion battery is installed in the installation chamber, and the surface of the waterproof case is also provided with a charging interface and a discharge interface, and the charging interface and the discharge interface are electrically connected to the lithium-ion battery. A ring of outer clamping surface at the clamping end of the sealing cover, and a circle of inner clamping surface at the clamping end of the sealing cover for fitting and clamping with the outer clamping surface, the outer clamping surface is provided with a slot, and the slot is set There are two lever brackets, the outer ends of the lever brackets are located in the slotted slots, and a lever is hinged on each of the two lever brackets. One end of the two levers is hinged and connected, and the other ends of the two levers are bent outwards Beyond the notch position of the slot, the end of one of the levers beyond the notch position of the slot forms the squeeze end, and the end of the other lever beyond the notch position of the slot forms a linked hitch end, between either lever and the bottom of the slot A spring is also provided. When the spring is not subjected to external force, the extruding end and the hooking end are kept to exceed the position of the slotted notch outwards, and the distance between the extruding end and the articulated end beyond the position of the slotted notch is smaller than that of the extruding end. The distance between the inner side of the articulated end and the bottom of the groove, the corresponding articulated end on the inner clamping surface of the sealing cover is provided with an articulated end receiving groove for accommodating the articulated end after clamping, and the inner clamping surface of the sealing cover corresponds to The extruding end is provided with an extruding end through hole for accommodating the extruding end after clamping.

In this way, after the waterproof case and the sealing cover are snapped together, they can be locked by cooperation of the hook end and the receiving groove of the hitch end to prevent sliding and ensure sealing reliability. When it needs to be opened, you only need to press the extrusion end from the through hole of the extrusion end, relying on the linkage effect of two levers to make the hook end break away from the attachment slot, and then the disassembly and opening can be realized. Therefore, it has the advantages of reliable sealing and convenient and quick disassembly.

Further, a sealing film is provided on the outer surface of the through hole of the extruding end. In this way, a better seal can be achieved.

Further, the slot is located on the waterproof case and near the side where the installation chamber is misaligned. In this way, it is convenient to set up without affecting the thickness of the waterproof case.

Furthermore, the spring is located at a corresponding position inside the extruding end, which can better facilitate the reset by force of the spring.

As an optimization, a protective groove is opened on the outside of the waterproof case, a charging and discharging board is installed in the protective groove, a sealant is provided between the charging and discharging board and the protective groove, and the charging interface and the discharging interface are arranged on the charging and discharging interface. board.

In this way, better protection can be achieved.

Further, the charging and discharging board is arranged at one end of the waterproof case facing away from the sealing cover. In this way, it is more convenient to charge and discharge.

As an optimization, in the installation chamber inside the waterproof case, there is also a shock absorber on both sides of the installation chamber. The inward side of the shock absorber is used to fit the lithium-ion battery and the outward A spring is provided between one side and the mounting chamber.

In this way, the shock absorption protection for the lithium-ion battery can be better realized.

Further, a rubber shock-absorbing layer is provided on the inner side of the shock-absorbing plate.

In this way, damage caused by hard contact between the lithium-ion battery and the shock absorbing plate can be avoided, and the battery protection effect can be further improved.

To sum up, the utility model has the advantages of good waterproof protection effect and convenient disassembly and assembly.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the utility model.

Fig. 2 is a separate waterproof shell part of the utility model, and a schematic diagram showing the structure of the internal lithium-ion battery in section.

Fig. 3 is a left side view of Fig. 2 .

Detailed ways

The easy-to-assemble and disassemble lithium-ion battery protection device will be further described in detail below in conjunction with the accompanying drawings and the best implementation.

Best practice:

As shown in Figure 1-3, a lithium-ion battery protection device that is easy to disassemble includes a box-shaped waterproof case 1 and a sealing cover 2. Its interior forms an overall rectangular installation chamber, the lithium-ion battery 3 is installed in the installation chamber, the surface of the waterproof case 1 is also provided with a charging interface and a discharge interface, and the charging interface and the discharge interface are electrically connected to the lithium-ion battery 3, wherein, The sealing clamping mechanism includes a ring of outer clamping surfaces located at the clamping end of the waterproof case 1, and a circle of inner clamping surfaces located at the clamping end of the sealing cover 2 for fitting and clamping with the outer clamping surface. Slot 11 is arranged on the outer clamping surface, and two lever brackets 12 are arranged in slot 11, and the outer end position of lever bracket 12 is located in the slotted notch, and a lever 13 is respectively hingedly arranged on the two lever brackets 12, two One end of the two levers 13 is hinged and connected (linked and hinged means that the connecting hole on at least one lever at the hinge is a long hole, and can make the two levers slide when rotating to ensure smooth rotation), and the two levers The other end of the lever bends outwards and extends beyond the position of the notch, wherein one end of the lever beyond the position of the notch forms the extruding end 14, and the end of the other lever beyond the position of the notch forms a linked hook end 15. A spring 16 is also arranged between any lever and the bottom of the slot. When the spring 16 is not subjected to external force, the extruding end and the articulated end remain outward beyond the position of the slotted notch. The extruded end 14 and the articulated end 15. The distance beyond the position of the slotted notch to the outside is less than the distance between the extrusion end and the inner side of the hooking end to the bottom of the slotting groove. The coupling end receiving groove 17 of the connection end, and the extrusion end through hole 18 for accommodating the extrusion end after snap-fitting are arranged on the corresponding extrusion end on the inner snap-in surface of the sealing cover.

In this way, after the waterproof case and the sealing cover are snapped together, they can be locked by cooperation of the articulated end and the accommodating groove of the articulated end to prevent sliding and ensure sealing reliability. When it needs to be opened, you only need to press the extrusion end from the through hole of the extrusion end, relying on the linkage effect of two levers to make the hook end break away from the attachment slot, and then the disassembly and opening can be realized. Therefore, it has the advantages of reliable sealing and convenient and quick disassembly.

Wherein, a sealing film 19 is provided on the outer surface of the through hole 18 at the extruding end. In this way, a better seal can be achieved.

Wherein, the slot 11 is located on the waterproof case and near the side where the installation chamber is misaligned. In this way, it is convenient to set up without affecting the thickness of the waterproof case.

Wherein, the spring 16 is located at the corresponding position inside the extruding end, which can better facilitate the reset by the force of the spring.

Wherein, a protective groove is provided on the outer side of the waterproof case 1, and a charging and discharging board 6 is installed in the protective groove, and a sealant is provided between the charging and discharging board 6 and the protective groove, and the charging interface and the discharging interface are arranged on the Charge and discharge board 6.

In this way, better protection can be achieved.

Wherein, the charging and discharging board 6 is arranged at one end of the waterproof case 1 facing away from the sealing cover 2 . In this way, it is more convenient to charge and discharge.

Wherein, in the installation chamber inside the waterproof case 1, a shock absorber 8 is provided on both sides of the side of the installation chamber. A spring 9 is arranged between the outer side and the installation chamber.

In this way, the shock absorption protection for the lithium-ion battery can be better realized.

Wherein, a rubber shock-absorbing layer 10 is also provided on the inner side of the shock-absorbing plate 8 .

In this way, the damage caused by hard contact between the lithium ion battery and the shock absorbing plate can be avoided, and the battery protection effect can be further improved.

Wherein, a vibration power generation module 4 is also arranged in the installation chamber, and the vibration power generation module 4 is electrically connected with the lithium-ion battery 3 to form a charging circuit, and a switch 5 is arranged in the charging circuit, and the switch 5 is installed in the waterproof case 1 surface.

In this way, the lithium-ion battery protection device that is easy to disassemble can be charged by the vibration power generation module during carrying, so as to replenish power and prolong the use time. When using the charging interface and the discharging interface, the switch can be turned off to disconnect the vibration power generation module so that it does not affect normal use and charging. Among them, the vibration power generation module is an existing technical product. Its principle is to fix the stator part structure on the module shell, and the rotor part structure is connected to the module shell by means of elastic brackets, so that the rotor part can generate elastic vibration cutting by shaking or rotating. Magnetic field lines generate current to generate electricity. Its specific structure is not described in detail here.

Wherein, the switch 5 is installed in a switch installation groove on the surface of the waterproof housing, and a transparent waterproof film 7 covering the outside of the switch 5 is sealed around the switch installation groove.

In this way, it is convenient to waterproof the switch without affecting the normal use of the switch.

Claims (8)

1. a kind of easy-to-mount lithium ion batteries protector, including box-like waterproof cover and sealing cover, waterproof cover can be with Sealing cover is engaged by clamping by sealing clamping mechanism, and is formed in the interior thereof the installation chamber of whole rectangular body, lithium-ion electric Pond is installed in installation cavity room, waterproof cover surface be additionally provided with charging interface and electric discharge interface, charging interface and electric discharge interface and Lithium ion battery is electrically connected, which is characterized in that the sealing clamping mechanism includes enclosing outer be clamped positioned at the one of waterproof cover joint end Face and a circle positioned at sealing cover joint end are used for and the interior card access surface of outer card access surface fitting clamping, in the outer card access surface Fluting is provided with, interior setting of slotting is there are two lever dolly, and lever dolly outer end position is located in fluting notch, two lever branch Respectively there are one levers, one end linkage of two levers to be hinged and connected for hinged setting on frame, and the other ends of two levers is to rolled over Curved to extend and beyond fluting notch position, one of lever forms pressed end beyond one end of fluting notch position, another Lever forms the articulated end of linkage beyond one end of fluting notch position, and bullet is additionally provided between any lever and fluting bottom Spring causes pressed end and articulated end to remain outward beyond fluting notch position, pressed end and articulated end when spring is not by external force The distance beyond fluting notch position is less than pressed end and the distance of articulated end inner distance fluting slot bottom, the sealing cover outward Articulated end is corresponded in interior card access surface and is provided with articulated end holding tank for accommodating articulated end after clamping, in sealing cover in card access surface Corresponding pressed end is provided with the pressed end through-hole for accommodating pressed end after clamping.

2. easy-to-mount lithium ion batteries protector as described in claim 1, which is characterized in that the pressed end through-hole Outer surface is provided with sealing film.

3. easy-to-mount lithium ion batteries protector as described in claim 1, which is characterized in that the fluting is located at anti- The close lateral location to misplace on water hull with installation chamber.

4. easy-to-mount lithium ion batteries protector as described in claim 1, which is characterized in that spring is located at pressed end Inside corresponding position.

5. easy-to-mount lithium ion batteries protector as described in claim 1, which is characterized in that on the outside of the waterproof cover Protector there are one opening up, there are one battery charging and discharging panels for the interior installation of protector, and fluid sealant is provided between battery charging and discharging panel and protector, The charging interface and electric discharge interface are arranged on the battery charging and discharging panel.

6. easy-to-mount lithium ion batteries protector as claimed in claim 5, which is characterized in that battery charging and discharging panel is arranged on Waterproof cover deviates from the one end in sealing cover direction.

7. easy-to-mount lithium ion batteries protector as described in claim 1, which is characterized in that the peace inside waterproof cover It behave affectedly in room, is also each provided with a vibration damper plate positioned at the both sides of installation chamber-side, the inside side of vibration damper plate is used for and lithium Ion battery fitting installation, spring is provided between outside side and installation chamber.

8. easy-to-mount lithium ion batteries protector as claimed in claim 7, which is characterized in that on vibration damper plate medial surface It is additionally provided with one layer of rubber shock-absorbing layer.