CN211351769U - Lithium battery mobile power supply - Google Patents

Abstract

The utility model discloses a lithium battery mobile power supply, comprising a protective casing, a connecting block and a charging casing. The bottoms of both ends of the protective casing are provided with fixed clip grooves, and the tops of both ends inside the protective casing are provided with sliding grooves. The sliding grooves are all installed with connecting blocks through the sliders, a telescopic spring is evenly installed at the middle position of the inner bottom of the protective casing, and a charging casing is installed on the top of the telescopic spring. During the use of the utility model, the heat generated by the lithium battery is transferred to the charging case, and the charging case can be dissipated through the heat dissipation holes, and the charging case is not in direct contact with the protective case, so that the heat on the charging case is not easily transferred directly to the protective case. , only a small amount of heat is transferred to the protective casing after dissipating heat through the heat dissipation hole, so that the protective casing is not heated at a high temperature, and the user's hand discomfort can be reduced when the user holds the device.

Description

A lithium battery mobile power supply

technical field

The utility model relates to the technical field of mobile power sources, in particular to a lithium battery mobile power source.

Background technique

A mobile power supply is a portable charger that integrates power supply and charging functions. It generally uses a lithium battery as a power storage unit, which is convenient and fast to use. It can charge digital devices such as mobile phones and tablet computers anytime and anywhere. The existing lithium battery When the mobile power supply is in use, the charging port of the device is exposed to the outside, which makes it easy for dust to enter the interior of the charging port and cause damage to the charging port. Although some lithium battery mobile power , the dust cover is easy to fall off the charging port, thus affecting the protection effect of the charging port. At the same time, the existing lithium battery mobile power supply does not have a drop-proof structure, and only protects the internal parts through a layer of protective shell. , the casing is easily broken and deformed, which easily causes damage to the internal parts of the device, and the existing lithium battery mobile power supply is easy to heat up during use, and the heat is directly transferred to the casing. discomfort.

Utility model content

The purpose of the present invention is to provide a lithium battery mobile power supply to solve the above-mentioned problems in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a lithium battery mobile power supply, comprising a protective casing, a connecting block and a charging casing, the bottoms of both ends of the protective casing are provided with fixed card slots, and the inner ends of the protective casing are provided with fixed card slots. The tops are all provided with chutes, and the chutes are all installed with connecting blocks through the sliders, a telescopic spring is evenly installed at the middle position of the inner bottom of the protective casing, and a charging case is installed on the top of the telescopic spring, and the charging case is A lithium battery is installed at the bottom of the interior, a battery charging port is provided at one end of the top of the charging case, and an external charging port is provided at the end of the top of the charging case away from the battery charging port, and both ends of the inner top of the protective case are hinged with seals. The baffle plate, the output end of the battery charging port is electrically connected with the input end of the lithium battery through the wire, and the output end of the lithium battery is electrically connected with the input end of the external charging port through the wire.

Preferably, a buffer groove is provided at one end of the connection block close to the charging case, a buffer spring is evenly installed at one end of the buffer groove away from the charging case, and a buffer plate is installed at the end of the buffer spring away from the connection block, so One end of the buffer plate away from the connection block is connected to the charging shell.

Preferably, a mounting groove is provided at the bottom of one end of the connecting block away from the charging shell, and a fixing spring is installed inside the mounting groove at one end close to the connecting block, and the end of the fixing spring away from the connecting block is installed with a fixing slot. Interlocking fixing blocks.

Preferably, both sides of the protective casing are uniformly provided with heat dissipation holes, and dust-proof nets are installed inside the heat dissipation holes.

Preferably, both ends of the inner top of the protective casing are provided with return springs, and one end of the return springs away from the protective casing is connected to the sealing baffle.

Preferably, the outer sides of the fixing blocks are provided with anti-skid patterns.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The lithium battery mobile power supply is equipped with a protective casing, a charging casing, a return spring and a sealing baffle. When the device is not in use, the charging casing is stored inside the protective casing, and the battery charging port and the external charging port are blocked by the sealing baffle. On the top, it can prevent dust from falling into the battery charging port and the external charging port, and has a good dust protection effect;

2. During the use of the lithium battery mobile power supply, the heat generated by the lithium battery is transferred to the charging case, and the charging case can be dissipated through the heat dissipation holes. The charging case is not in direct contact with the protective case, so that the heat on the charging case is not easily transferred directly. To the protective shell, only a small amount of heat is transferred to the protective shell after dissipating heat through the heat dissipation holes, so as to avoid the protective shell being heated at a high temperature, and the user's hand discomfort can be reduced when the user holds the device;

3. The lithium battery mobile power supply is equipped with a buffer plate, a buffer spring and a telescopic spring. When the device falls, the protective casing can protect the charging casing. Even if the protective casing is broken or deformed, it will not affect the lithium battery inside the charging casing. The buffer spring and the telescopic spring can buffer the impact force generated by the impact of the device and the ground, which can effectively protect the charging case and play a good anti-drop effect.

Description of drawings

Fig. 1 is the front sectional schematic diagram of the utility model;

2 is a schematic front view of the utility model;

FIG. 3 is a schematic diagram of a partial structure of the present invention.

In the picture: 1. Protective shell; 2. Fixed card slot; 3. Connection block; 4. Charging shell; 5. Buffer plate; 6. Chute; 7. Battery charging port; 8. Return spring; 9. Sealing baffle ;10. External charging port; 11. Lithium battery; 12. Buffer spring; 13. Buffer slot; 14. Telescopic spring; 15. Heat dissipation hole; 16. Dust filter; 17. Installation slot; 18. Fixed block; 19 , Fixed spring.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, an embodiment provided by the present invention: a lithium battery mobile power supply, including a protective casing 1, a connecting block 3 and a charging casing 4, the bottoms of both ends of the protective casing 1 are provided with fixed card slots 2 , and the tops of both ends inside the protective shell 1 are provided with chute 6, the chute 6 is installed with the connecting block 3 through the slider, the middle position of the inner bottom of the protective shell 1 is evenly installed with the telescopic spring 14, and the telescopic spring 14 A charging case 4 is installed at the top, a lithium battery 11 is installed at the bottom of the charging case 4, a battery charging port 7 is provided at one end of the top of the charging case 4, and an external charging port 10 is provided at the end of the top of the charging case 4 away from the battery charging port 7 , both ends of the inner top of the protective casing 1 are hinged with sealing baffles 9, the output end of the battery charging port 7 is electrically connected to the input end of the lithium battery 11 through a wire, and the output end of the lithium battery 11 is connected to the external charging port 10 through a wire. The input terminal is electrically connected.

In this implementation:

Further, the end of the connection block 3 close to the charging shell 4 is provided with a buffer groove 13 , the inner end of the buffer groove 13 away from the charging shell 4 is evenly installed with a buffer spring 12 , and the end of the buffer spring 12 away from the connection block 3 is installed with a buffer spring 12 . The buffer plate 5, the end of the buffer plate 5 away from the connection block 3 is connected to the charging shell 4. When the device falls, the buffer spring 12 can buffer the impact force generated by the impact between the device and the ground, which can effectively protect the charging shell 4 and play a good role in the protection of the charging shell 4. Anti-drop effect.

Further, the bottom of one end of the connection block 3 away from the charging shell 4 is provided with a mounting groove 17 , and one end of the mounting groove 17 close to the connecting block 3 is installed with a fixed spring 19 , and one end of the fixed spring 19 away from the connecting block 3 is installed with a fixed spring 19 . The fixed block 18 that cooperates with the fixed groove 2 limits the connection block 3 through the fixed groove 2 , so that the connection block 3 cannot continue to move, so that the telescopic spring 14 can be fixed inside the protective casing 1 .

Further, both sides of the protective casing 1 are evenly provided with heat dissipation holes 15 , and the interior of the heat dissipation holes 15 are equipped with dustproof nets 16 , so that the outside air can enter the interior of the protective casing 1 through the heat dissipation holes 15 , and the charging casing 4 can be carried out. heat dissipation.

Further, both ends of the inner top of the protective casing 1 are equipped with a return spring 8, and one end of the return spring 8 away from the protective casing 1 is connected with the sealing baffle 9, and the elasticity of the restoring spring 8 makes it pull the sealing baffle 9, so that The sealing baffle 9 is shielded above the charging shell 4, and the sealing baffle 9 is shielded above the battery charging port 7 and the external charging port 10, which can prevent dust from falling into the battery charging port 7 and the external charging port 10, and has good performance. Dust protection effect.

Further, the outer sides of the fixing blocks 18 are provided with anti-slip patterns, which are convenient for the user to press the fixing blocks 18 .

Working principle: Before use, the lithium battery 11 is charged through the battery charging port 7. When in use, the lithium battery 11 supplies power to the external device through the external charging port 10. When charging is required, the user can first press the fixed block 18, the fixed card The block 18 is pressed out from the inside of the fixed card slot 2, and the limit of the connecting block 3 by the fixed card block 18 is released, so that the connecting block 3 can slide on the chute 6, and the elastic action of the telescopic spring 14 makes it push the charging shell 4 upward. , so that the charging shell 4 drives the connecting block 3 to slide upward on the chute 6. When the charging shell 4 is in contact with the sealing baffle 9, the charging shell 4 continues to move upward by the thrust of the telescopic spring 14 and pushes the sealing baffle 9, so that The sealing baffle 9 is subjected to force and rotates upward along the center of the circle at the hinged position between the sealing baffle 9 and the protective casing 1. The sealing baffle 9 rotates to both ends of the charging casing 4 and stretches the return spring 8, and the sealing baffle 9 is no longer blocked. Above the charging case 4, the elastic force of the retractable spring 14 can push the charging case 4 out of the protective case 1, so that the battery charging port 7 and the external charging port 10 are exposed to the outside, so that the user can charge the lithium battery 11 and connect the external During charging of the device, the heat generated by the lithium battery 11 is transferred to the charging casing 4, and the charging casing 4 can be dissipated through the heat dissipation holes 15. The charging casing 4 does not directly contact the protective casing 1, so that the heat on the charging casing 4 is not easy to be generated. It is directly transferred to the protective casing 1, and only a small amount of heat is transferred to the protective casing 1 after dissipating heat through the heat dissipation holes 15, so as to prevent the protective casing 1 from being heated at a high temperature, and the user's hand discomfort can be reduced when the user holds the device, and the end of use After that, the user first pushes the charging case 4, pushes the charging case 4 into the protective case 1, the charging case 4 drives the connecting block 3 to slide down on the chute 6, the charging case 4 compresses the telescopic spring 14, and the sealing baffle 9 does not. Under the thrust of the charging case 4, the elastic action of the return spring 8 makes it pull the sealing baffle 9 to rotate and reset, so that the sealing baffle 9 is re-shielded above the charging case 4, which can prevent dust from entering the battery charging port 7 and the external charging port. In 10, when the installation slot 17 on the connection block 3 moves to the position facing the fixed slot 2 on the protective shell 1, the elastic action of the fixed spring 19 makes the fixed clip 18 bounce into the fixed slot 2, through the elastic action of the fixed spring 19. The fixing slot 2 limits the connection block 3, so that the connection block 3 cannot continue to move, so that the retractable spring 14 can be fixed inside the protective casing 1. When the device is dropped, the protective casing 1 can protect the charging casing 4, even if the protective casing 1 Breaking or deformation will not affect the lithium battery 11 inside the charging case 4. The buffer spring 12 and the telescopic spring 14 can buffer the impact force generated by the collision between the device and the ground, which can effectively protect the charging case 4 and play a good anti-drop. Effect.

Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principle of the present utility model, any modifications, equivalent replacements, improvements, etc. made shall be included within the protection scope of the present utility model.

Claims (6)

1. The utility model provides a lithium cell portable power source, includes protective housing (1), connecting block (3) and charging case (4), its characterized in that: the protective shell comprises a protective shell (1), wherein the bottoms of two ends of the protective shell (1) are respectively provided with a fixed clamping groove (2), the tops of two ends in the protective shell (1) are respectively provided with a sliding groove (6), the sliding grooves (6) are respectively provided with a connecting block (3) through a sliding block, the middle position of the bottom in the protective shell (1) is uniformly provided with a telescopic spring (14), the top of the telescopic spring (14) is provided with a charging shell (4), the bottom in the charging shell (4) is provided with a lithium battery (11), one end of the top of the charging shell (4) is provided with a battery charging port (7), one end of the top of the charging shell (4), which is far away from the battery charging port (7), is provided with an external charging port (10), the two ends of the top in the protective shell (1) are respectively hinged with a sealing baffle (9), and the output end of, the output end of the lithium battery (11) is electrically connected with the input end of the external charging port (10) through a lead.

2. The lithium battery mobile power supply of claim 1, characterized in that: connecting block (3) are close to the one end of charging case (4) and all are provided with dashpot (13), buffer spring (12) are all evenly installed to the inside one end of keeping away from charging case (4) of dashpot (13), and buffer spring (12) keep away from the one end of connecting block (3) and all install buffer board (5), the one end of keeping away from connecting block (3) in buffer board (5) all is connected with charging case (4).

3. The lithium battery mobile power supply of claim 1, characterized in that: connecting block (3) are kept away from the bottom of charging case (4) one end and are all provided with mounting groove (17), mounting groove (17) inside one end that is close to connecting block (3) all installs fixed spring (19), and fixed spring (19) keep away from the one end of connecting block (3) and all install fixed fixture block (18) of mutually supporting with fixed slot (2).

4. The lithium battery mobile power supply of claim 1, characterized in that: both sides of the protective shell (1) are uniformly provided with heat dissipation holes (15), and dust screens (16) are arranged inside the heat dissipation holes (15).

5. The lithium battery mobile power supply of claim 1, characterized in that: reset spring (8) are all installed at the both ends at protective housing (1) inside top, and reset spring (8) keep away from protective housing (1) one end all be connected with sealing baffle (9).

6. The lithium battery mobile power supply of claim 3, characterized in that: the outer sides of the fixed clamping blocks (18) are provided with anti-skid grains.

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