CN218334062U

CN218334062U - From 3.7V lithium cell of taking USB interface

Info

Publication number: CN218334062U
Application number: CN202222362881.4U
Authority: CN
Inventors: 匡增荣; 金寿娥; 匡星衡
Original assignee: Shenzhen Rongli Digital Technology Co ltd
Current assignee: Shenzhen Rongli Digital Technology Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-01-17
Anticipated expiration: 2032-09-06

Abstract

The utility model relates to a lithium battery technology field specifically is a 3.7V lithium cell from taking USB interface, lithium cell is arranged in protective sleeve, protective sleeve's lower extreme fixedly connected with fixed column, and the fixed column is hollow structure, the upper end inner wall of fixed column rotates the threaded rod that is connected with vertical setting through the bearing frame, and the threaded rod one end of keeping away from the bearing frame runs through the outside and the fixedly connected with commentaries on classics piece that extend to the fixed column, is arranged in the fixed column threaded connection has the nut piece on the threaded rod, and the connecting rod of two vertical settings of upside fixedly connected with of nut piece. The utility model discloses in, through rotating the commentaries on classics piece, can drive protective sleeve displacement to protective sleeve in, until with the USB interface complete displacement of lithium cell body side to protective sleeve in, can play dustproof effect, secondly, lithium cell body is arranged in protective sleeve, forms outside guard action to improve the protectiveness to lithium cell body.

Description

From 3.7V lithium cell of taking USB interface

Technical Field

The utility model relates to a lithium battery technology field specifically is a 3.7V lithium cell from taking USB interface.

Background

The 3.7V lithium battery is a lithium battery with a nominal voltage of 3.7V and a full-charge voltage of 4.2V, the capacity of the lithium battery varies from hundreds to thousands of milliampere hours, and the lithium battery is generally applied to products such as various instruments, detection instruments, medical instruments, POS machines, notebook computers and the like, the 3.7V lithium battery has the capacity, the larger the volume of a single lithium battery is, the larger the capacity is, or the more a plurality of lithium batteries are connected in parallel, the larger the capacity is, and a single section of the 3.7V lithium battery can be combined into lithium battery packs with different voltages and different capacities through scientific assembly.

In a Chinese patent, a lithium battery with a USB interface (with the patent number of CN 214099689U) comprises a lithium battery cell; the insulation shell is arranged at the top of the lithium battery core and comprises a left insulation shell and a right insulation shell which are connected through a buckle structure; the circuit board is fixedly arranged in the insulating shell; the battery cover is sleeved on the top of the lithium battery core and wraps the insulating shell; the circuit board with lithium cell electrical connection, be provided with the pressure regulating chip on the circuit board and the interface that charges, the pressure regulating chip can stable regulation the output voltage of lithium cell, the interface that charges runs through respectively insulating housing the battery cover, through the interface that charges gives the lithium cell charges, and the device can enough charge through USB, can also adjust the different magnitude of voltage of output, but, the device outside does not set up protection device, leads to lithium cell body to receive external force impaired easily, influences life, and the USB interface exposes in the external world, receives dust pollution easily, and the clearance is troublesome. Therefore, the 3.7V lithium battery with a USB interface is provided to solve the above problems in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a from 3.7V lithium cell of taking the USB interface 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 from 3.7V lithium cell of taking USB interface, includes protective sleeve and lithium cell body, lithium cell body is arranged in protective sleeve, protective sleeve's lower extreme fixedly connected with fixed column, and the fixed column is hollow structure, the upper end inner wall of fixed column rotates the threaded rod that is connected with vertical setting through the bearing frame, and the threaded rod keeps away from the one end of bearing frame and run through the outside and the fixedly connected with commentaries on classics piece that extend to the fixed column, is arranged in the fixed column threaded connection has the nut piece on the threaded rod, and the connecting rod of two vertical settings of upside fixedly connected with of nut piece, two the connecting rod is arranged in the bilateral symmetry setting of threaded rod respectively, and the upper end of two connecting rods runs through the fixedly connected with push pedal that extends to in the protective sleeve, the lower extreme fixed connection of push pedal and lithium cell body.

As a further aspect of the present invention: and the protective sleeve and the fixing column are both made of PVC plastic insulating material components.

As a further aspect of the present invention: the push plate, the connecting rod, the nut block, the threaded rod and the rotating block are all made of aluminum-silver plated materials.

As a further aspect of the present invention: the lower extreme lateral wall of protective case and the upper end lateral wall intercommunication of fixed column are equipped with two through-holes, and two connecting rods pass two through-hole settings respectively, the inner wall of through-hole and the lateral wall sliding connection of connecting rod.

As the utility model discloses further scheme again: the lithium battery body adopts a USB interface type 3.7V lithium battery, and is arranged in a cylindrical structure.

As the utility model discloses further scheme again: the inner aperture of the protective sleeve is matched with the section diameter of the lithium battery body.

As the utility model discloses further scheme again: the outer side wall of the push plate is abutted against and slidably connected with the inner bottom wall of the protective sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: through rotating the commentaries on classics piece, it rotates to drive the threaded rod, because threaded rod and nut piece threaded connection, and the axial of nut piece is rotated and is followed the restriction that the connecting rod received the through-hole, therefore, nut piece force the displacement, and then drive the push pedal fixed with the connecting rod and displace in the protective sleeve, thereby drive protective sleeve displacement to protective sleeve, until with the USB interface complete displacement to the protective sleeve of lithium cell body side, can play dustproof effect, secondly, lithium cell body is arranged in protective sleeve, form outside guard action, thereby improve the protectiveness to lithium cell body, the life of extension lithium cell body, when charging, the reversal commentaries on classics piece, in the same way, promote lithium cell body and displace from protective sleeve, so as to charge, the operation is simple, the structure is firm.

Drawings

FIG. 1 is a schematic perspective view of a 3.7V lithium battery with a USB interface;

FIG. 2 is a schematic diagram of a front cross-sectional structure of a 3.7V lithium battery with a USB interface;

fig. 3 is an enlarged schematic diagram of a part a of fig. 2 in a 3.7V lithium battery with a USB interface.

In the figure: 1. a protective sleeve; 2. a lithium battery body; 3. fixing a column; 4. a bearing seat; 5. a threaded rod; 6. rotating the block; 7. a nut block; 8. a connecting rod; 9. pushing a plate; 10. and a through hole.

Detailed Description

Referring to fig. 1-3, in the embodiment of the present invention, a 3.7V lithium battery with a USB interface comprises a protective sleeve 1 and a lithium battery body 2, the lithium battery body 2 is located in the protective sleeve 1, a fixed column 3 is fixedly connected to a lower end of the protective sleeve 1, and the fixed column 3 is a hollow structure, a vertically arranged threaded rod 5 is rotatably connected to an inner wall of an upper end of the fixed column 3 through a bearing seat 4, and one end of the threaded rod 5, which is far away from the bearing seat 4, extends to an outer side of the fixed column 3 and is fixedly connected with a rotating block 6, a nut block 7 is screwed onto the threaded rod 5 in the fixed column 3, and two vertically arranged connecting rods 8 are fixedly connected to an upper side of the nut block 7, two connecting rods 8 are symmetrically arranged on two sides of the threaded rod 5, and upper ends of the two connecting rods 8 extend to a push plate 9 fixedly connected to the protective sleeve 1, the push plate 9 is fixedly connected to a lower end of the lithium battery body 2, when the lithium battery is not charged, the lithium battery is rotated, the rotating block 6 drives the rotating block 5 to rotate, and the nut block 5 is screwed to drive the lithium battery body to move along with the lithium battery body, thereby increasing the lithium battery body, and further, the lithium battery body is located in the lithium battery body, thereby, the lithium battery body 2, the lithium battery can be charged, and the lithium battery body can be charged, the lithium battery body, and can be used for increasing the lithium battery body, and can be charged, and the lithium battery body, and can be charged, and can be used for the lithium battery body, and the lithium battery can be charged, and can be used, the operation is simple, and the structure is stable;

in fig. 1: the protective sleeve 1 and the fixed column 3 are both made of PVC plastic insulating material components;

in fig. 2 and 3: the push plate 9, the connecting rod 8, the nut block 7, the threaded rod 5 and the rotating block 6 are all made of aluminum-silver plated materials;

in fig. 3: the lower end side wall of the protective sleeve 1 and the upper end side wall of the fixed column 3 are communicated with two through holes 10, the two connecting rods 8 respectively penetrate through the two through holes 10, and the inner walls of the through holes 10 are in sliding connection with the outer side walls of the connecting rods 8, so that the connecting rods 8 can be conveniently displaced;

in fig. 1: the lithium battery body 2 adopts a USB interface type 3.7V lithium battery, and the lithium battery body 2 is arranged in a cylindrical structure, which is the prior art;

in fig. 2: the inner aperture of the protective sleeve 1 is matched with the section diameter of the lithium battery body 2, so that gaps are reduced, and the dust resistance is improved;

in fig. 2: the outer side wall of the push plate 9 is abutted to the inner bottom wall of the protective sleeve 1 and is in sliding connection, so that the push plate 9 is more stable and convenient to move.

The utility model discloses a theory of operation is: when not charging, rotate and change piece 6, drive threaded rod 5 and rotate, because threaded rod 5 and nut piece 7 threaded connection, and the axial of nut piece 7 is rotated and is followed connecting rod 8 and receive the restriction of through-hole 10, therefore, displacement is forced to nut piece 7, and then drive the push pedal 9 fixed with connecting rod 8 and displace in protective sleeve 1, thereby drive 2 displacements of lithium cell body to protective sleeve 1, until the complete displacement of the USB interface with 2 sides of lithium cell body to protective sleeve 1, can play dustproof effect, secondly, lithium cell body 2 is arranged in protective sleeve 1, form outside guard action, thereby improve the protectiveness to lithium cell body 2, prolong the life of lithium cell body 2, during charging, reverse rotation piece 6, in the same way, promote lithium cell body 2 and displace from protective sleeve 1, so as to charge, the operation is simple, the structure is firm.

The above-mentioned, only be the embodiment of the preferred of the present invention, nevertheless the utility model discloses a protection scope is not limited to this, and any technical personnel familiar with this technical field is in the technical scope of the utility model discloses an according to the utility model discloses a technical scheme and utility model design in addition the replacement of equality or change, all should be covered within the protection scope of the utility model.

Claims

1. The utility model provides a from 3.7V lithium cell of taking USB interface, includes protective case (1) and lithium cell (2), its characterized in that, lithium cell (2) are arranged in protective case (1), the lower extreme fixedly connected with fixed column (3) of protective case (1), and fixed column (3) are hollow structure, the upper end inner wall of fixed column (3) is rotated through bearing frame (4) and is connected with threaded rod (5) of vertical setting, and threaded rod (5) keep away from the one end of bearing frame (4) and run through the outside and fixedly connected with commentaries on classics piece (6) that extend to fixed column (3), are arranged in fixed column (3) threaded rod (5) goes up threaded connection has nut piece (7), and the upside fixedly connected with connecting rod (8) of two vertical settings of nut piece (7), two connecting rod (8) are arranged in the bilateral symmetry of threaded rod (5) respectively, and the upper end of two connecting rod (8) runs through to extend to protective case (1) in fixedly connected with push pedal (9), push pedal (9) and the lower extreme fixed connection of lithium cell (2).

2. The 3.7V lithium battery with the USB interface of claim 1, wherein the protective sleeve (1) and the fixing column (3) are made of PVC plastic insulating materials.

3. The 3.7V lithium battery with the USB interface of claim 1, wherein the push plate (9), the connecting rod (8), the nut block (7), the threaded rod (5) and the rotating block (6) are all made of silver-aluminum plated materials.

4. The 3.7V lithium battery with the USB interface of claim 1, wherein the lower end side wall of the protection sleeve (1) and the upper end side wall of the fixing column (3) are communicated with each other to form two through holes (10), two connecting rods (8) are respectively arranged through the two through holes (10), and the inner walls of the through holes (10) are slidably connected with the outer side walls of the connecting rods (8).

5. The 3.7V lithium battery with the USB interface of claim 1, wherein the lithium battery body (2) is a USB interface type 3.7V lithium battery, and the lithium battery body (2) is arranged in a cylindrical structure.

6. The 3.7V lithium battery with the USB interface of claim 1, wherein the inner diameter of the protective sleeve (1) is matched with the cross-sectional diameter of the lithium battery body (2).

7. 3.7V lithium battery with USB interface according to claim 1, characterized in that the outer side wall of the push plate (9) is connected with the inner bottom wall of the protection sleeve (1) in sliding mode.