CN212257534U

CN212257534U - Battery protection board

Info

Publication number: CN212257534U
Application number: CN202021033484.7U
Authority: CN
Inventors: 马瑞海; 沙晓明; 匡思令
Original assignee: Shenzhen Lurun Electronic Tech Co ltd
Current assignee: Shenzhen Lurun Electronic Tech Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2020-12-29
Anticipated expiration: 2030-06-08

Abstract

The utility model discloses a battery protection board, which comprises a PCB and a flexible circuit board, wherein the flexible circuit board is inserted at one end of the PCB, a clamping mechanism is fixed at one end of the upper surface of the PCB, the clamping mechanism comprises a fixed block, a T-shaped groove, a T-shaped block, a first electric contact, a second electric contact and a limiting mechanism, the fixed block is fixed at one end of the upper surface of the PCB, the T-shaped groove is arranged on the inner wall of the fixed block, the T-shaped block is inserted on the inner wall of the T-shaped groove, the flexible circuit board is fixedly connected with the T-shaped block, the first electric contact is fixed on the inner wall of the T-shaped groove, the first electric contact is electrically connected with the PCB, the second electric contact matched with the first electric contact is fixed at the bottom of the T-shaped block, the second electric contact is electrically connected with the flexible circuit board, the limiting mechanism is symmetrically arranged, is convenient for people to use.

Description

Battery protection board

Technical Field

The utility model relates to a battery protection circuit board technical field specifically is a battery protection shield.

Background

The mobile phone or the flat battery is an energy storage tool for providing power for the mobile phone or the flat panel, and the mobile phone battery is generally a lithium battery and a nickel-hydrogen battery. The mobile phone battery generally comprises a battery core, a protection circuit and a shell, wherein the protection circuit generally comprises a PCB (printed circuit board) and a flexible circuit board, the PCB is integrated with process protection, over-discharge protection and over-current protection, and the flexible circuit board is used for connecting the mobile phone.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery protection shield to solve the problem that proposes among 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 battery protection board, includes PCB board and flexible circuit board, PCB board one end is pegged graft and is had flexible circuit board, PCB board upper surface one end is fixed with latch mechanism, latch mechanism includes fixed block, T-slot, T-shaped piece, first electricity contact, second electricity contact and stop gear that connects, PCB board upper surface one end is fixed with the fixed block, the T-slot has been seted up to the fixed block inner wall, T-slot inner wall is pegged graft and is had the T-shaped piece, and flexible circuit board and T-shaped piece fixed connection, T-slot inner wall is fixed with first electricity contact that connects, and first electricity contact and PCB board electric connection that connects, T-shaped piece bottom is fixed with and connects the second electricity contact that connects contact matched with first electricity contact, and the second connects electricity contact and flexible circuit board electric connection, stop gear is installed to T-slot inner wall.

Preferably, the limiting mechanism comprises a groove, a limiting rod, a clamping block, a clamping groove and a spring, the groove is symmetrically formed in the inner wall of the T-shaped groove, the inner wall of the groove is rotatably connected with the limiting rod through a shaft pin, the clamping block is fixed at one end of the limiting rod, the clamping groove matched with the clamping block is symmetrically formed in the two sides of the T-shaped block, the clamping block is clamped with the clamping groove, the spring is fixed on the inner wall of the groove, and one end, close to the limiting rod, of the spring is fixedly connected with the.

Preferably, the two ends of the fixed block are symmetrically provided with unlocking mechanisms.

Preferably, the unlocking mechanism comprises an ejector rod, a pressing plate, a sliding column, a sliding rod and an extrusion block, a first sliding hole is formed in one end, away from the clamping block, of the inner wall of the groove, a first ejector rod is connected to the inner wall of the first sliding hole in a sliding mode, a pressing plate is fixed to one end, away from the limiting rod, of the ejector rod, a chamfer is symmetrically arranged at one end, away from the flexible circuit board, of the T-shaped block, a second sliding hole is symmetrically formed in one end, close to the chamfer of the T-shaped block, of the inner wall of the second sliding hole, a sliding column is connected to the inner wall of the second sliding hole in a sliding mode, one end, close to the pressing plate, of the sliding column is in a hollow setting, a sliding rod is connected to the.

Preferably, one end of the ejector rod close to the limiting rod is fixed with an ejector block.

Preferably, the top of the T-shaped block is provided with a poking groove.

Preferably, one end of the sliding rod, which is far away from the pressure plate, is fixed with a limiting ring.

Preferably, one end of the T-shaped block, which is close to the extrusion block, is symmetrically provided with avoidance grooves.

Preferably, the fixture blocks are arranged in a trapezoid shape.

Preferably, the two ends of the PCB are symmetrically provided with mounting holes.

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

when the utility model is used, the T-shaped block is inserted into the T-shaped groove to extrude the clamping block and further drive the limiting rod to extrude the spring, when the T-shaped block is completely inserted into the T-shaped groove, the clamping block is superposed with the clamping groove to clamp the clamping block into the clamping groove under the action of the spring to limit the T-shaped block, and the chamfer on the T-shaped block is just contacted with the inclined plane of the extrusion block, at the moment, the flexible circuit board is installed, when people need to disassemble the flexible circuit board, people press the pressing plate through fingers and further drive the ejector rod and the slide rod to move, so that the ejector rod drives the ejector block to extrude the limiting rod and further drive the limiting rod to overturn, the clamping block slides out of the clamping groove, the limiting on the T-shaped block is removed, the slide rod slides in the slide column and can not drive the slide column to move, at the moment, people continue to press the pressing plate, make the T-shaped piece slowly roll off the T-shaped groove, and then make draw-in groove and fixture block on the T-shaped piece stagger, people can loosen the clamp plate this moment to extract the T-shaped piece from the T-shaped inslot, accomplish the dismantlement to flexible circuit board, this device can be dismantled flexible circuit board, and the installation dismantlement is comparatively convenient, and the people of being convenient for use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the clamping mechanism of the present invention;

FIG. 3 is a schematic cross-sectional view of the clamping mechanism of the present invention;

fig. 4 is a schematic view of a second electrical contact structure of the present invention;

FIG. 5 is a schematic structural view of the T-shaped block of the present invention;

FIG. 6 is a schematic view of the fixing block structure of the present invention;

fig. 7 is an enlarged view of a portion a in fig. 3.

In the figure: 1. a PCB board; 2. a flexible circuit board; 3. a clamping mechanism; 31. a fixed block; 32. a T-shaped slot; 33. a T-shaped block; 34. a first electrical contact; 35. a second electrical contact; 36. a limiting mechanism; 361. a groove; 362. a limiting rod; 363. a clamping block; 364. a card slot; 365. a spring; 4. an unlocking mechanism; 41. a top rod; 42. pressing a plate; 43. a traveler; 44. a slide bar; 45. extruding the block; 5. a top block; 6. a groove is poked; 7. a limiting ring; 8. an avoidance groove; 9. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, 2, 4, 5 and 6, a battery protection board in the drawings includes a PCB 1 and a flexible circuit board 2, the flexible circuit board 2 is inserted into one end of the PCB 1, mounting holes 9 are symmetrically formed at two ends of the PCB 1, a clamping mechanism 3 is fixed at one end of the upper surface of the PCB 1, the clamping mechanism 3 includes a fixing block 31, a T-shaped groove 32, a T-shaped block 33, a first electrical contact 34, a second electrical contact 35 and a limiting mechanism 36, the fixing block 31 is fixed at one end of the upper surface of the PCB 1, the T-shaped groove 32 is formed in the inner wall of the fixing block 31, the T-shaped block 33 is inserted into the inner wall of the T-shaped groove 32, the flexible circuit board 2 is fixedly connected with the T-shaped block 33, a poking groove 6 is formed at the top of the T-shaped block 33, the first electrical contact 34 is fixed on the inner wall of the T-shaped groove 32, and the first, and a second electric contact 35 matched with the first electric contact 34 is fixed at the bottom of the T-shaped block 33, the second electric contact 35 is electrically connected with the flexible circuit board 2, and the inner walls of the T-shaped grooves 32 are symmetrically provided with limiting mechanisms 36.

Referring to fig. 3, the limiting mechanism 36 includes a groove 361, a limiting rod 362, a locking block 363, a locking slot 364 and a spring 365, the groove 361 is symmetrically formed on the inner wall of the T-shaped slot 32, the inner wall of the groove 361 is rotatably connected with the limiting rod 362 through a shaft pin, the locking block 363 is fixed at one end of the limiting rod 362, the locking block 363 is disposed in a trapezoidal shape, the locking slots 364 matched with the locking block 363 are symmetrically formed on both sides of the T-shaped block 33, the locking block 363 is locked with the locking slot 364, the spring 365 is fixed on the inner wall of the groove 361, one end of the spring 365 close to the limiting rod 362 is fixedly connected with the limiting rod 362, the T-shaped block 33 is inserted into the T-shaped slot 32 to extrude the locking block 363, the limiting rod 362 extrudes the spring 365, when the T-shaped block 33 is completely inserted into the T-shaped slot 32, the locking block 363 is overlapped with the locking, the T-shaped block 33 is limited, and the chamfer on the T-shaped block 33 just contacts with the inclined surface of the extrusion block 45, so that the flexible circuit board 2 is installed.

Referring to fig. 3 and 7, two ends of the fixing block 31 are symmetrically provided with unlocking mechanisms 4, each unlocking mechanism 4 includes a top rod 41, a pressing plate 42, a sliding column 43, a sliding rod 44 and an extrusion block 45, one end of the inner wall of the groove 361, which is far away from the clamping block 363, is provided with a first sliding hole, the inner wall of the first sliding hole is connected with the top rod 41 in a sliding manner, one end of the top rod 41, which is near to the limiting rod 362, is fixed with a top block 5, one end of the top rod 41, which is far away from the limiting rod 362, is fixed with the pressing plate 42, one end of the T-shaped block 33, which is far away from the flexible circuit board 2, is symmetrically provided with a chamfer, one end of the inner wall of the groove 361, which is near to the chamfer of the T-shaped block 33, is symmetrically provided with a second sliding hole, the inner wall of the second sliding hole is, a limiting ring 7 is fixed at one end of the sliding rod 44 far away from the pressure plate 42, and an extrusion block 45 is fixed at one end of the sliding column 43 far away from the pressure plate 42, wherein the extrusion block 45 is arranged in a triangular shape.

People press the pressing plate 42 through fingers, and then drive the ejector rod 41 and the slide rod 44 to move, so that the ejector rod 41 drives the ejector block 5 to extrude the limiting rod 362, and then drives the limiting rod 362 to overturn, so that the clamping block 363 slides out of the clamping groove 364, the limitation on the T-shaped block 33 is removed, the slide rod 44 slides in the slide column 43, and the slide column 43 is not driven to move, at the moment, people continue to press the pressing plate 42, so that the slide rod 44 pushes the slide column 43 to move, and then the extrusion block 45 is driven to extrude the T-shaped block 33, so that the T-shaped block 33 slowly slides out of the T-shaped groove 32, and then the clamping groove 364 on the T-shaped block 33 is staggered with the clamping block 363, at the moment, people can loosen the pressing plate 42.

Referring to fig. 5, an avoiding groove 8 is symmetrically formed at one end of the T-shaped block 33 close to the extrusion block 45 to prevent the limiting rod 362 from contacting the T-shaped block 33.

The working principle is as follows:

when the flexible circuit board 2 is used, the T-shaped block 33 is inserted into the T-shaped groove 32, so that the T-shaped block 33 extrudes the fixture block 363 to further drive the limiting rod 362 to extrude the spring 365, when the T-shaped block 33 is completely inserted into the T-shaped groove 32, the fixture block 363 is overlapped with the clamping groove 364, the fixture block 363 is clamped into the clamping groove 364 under the action of the spring 365 to limit the T-shaped block 33, and the chamfer on the T-shaped block 33 is just in contact with the inclined plane of the extrusion block 45, at the moment, the flexible circuit board 2 is installed, when people need to disassemble the flexible circuit board 2, people press the pressing plate 42 through fingers to further drive the ejector rod 41 and the sliding rod 44 to move, so that the ejector rod 41 drives the ejector block 5 to extrude the limiting rod 362 to further drive the limiting rod 362 to overturn, so that the fixture block 363 slides out of the clamping groove 364 to release the limiting on the T-shaped block 33, and, so that the sliding rod 44 pushes the sliding column 43 to move, and further drives the extrusion block 45 to extrude the T-shaped block 33, so that the T-shaped block 33 slowly slides out of the T-shaped groove 32, and further the clamping groove 364 on the T-shaped block 33 is staggered with the clamping block 363, at this time, people can loosen the pressing plate 42, and pull out the T-shaped block 33 from the T-shaped groove 32, thereby completing the disassembly of the flexible circuit board 2.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a battery protection board, includes PCB board (1) and flexible circuit board (2), PCB board (1) one end is pegged graft and is had flexible circuit board (2), its characterized in that: the clamping mechanism (3) is fixed at one end of the upper surface of the PCB (1), the clamping mechanism (3) comprises a fixed block (31), a T-shaped groove (32), a T-shaped block (33), a first electric contact (34), a second electric contact (35) and a limiting mechanism (36), the fixed block (31) is fixed at one end of the upper surface of the PCB (1), the T-shaped groove (32) is formed in the inner wall of the fixed block (31), the T-shaped block (33) is inserted into the inner wall of the T-shaped groove (32), the flexible circuit board (2) is fixedly connected with the T-shaped block (33), the first electric contact (34) is fixed on the inner wall of the T-shaped groove (32), the first electric contact (34) is electrically connected with the PCB (1), the second electric contact (35) matched with the first electric contact (34) is fixed at the bottom of the T-shaped block (33), and the second electric contact (35) is electrically connected with the flexible circuit board (, and limiting mechanisms (36) are symmetrically arranged on the inner wall of the T-shaped groove (32).

2. A battery protection plate as claimed in claim 1, wherein: limiting mechanism (36) includes recess (361), gag lever post (362), fixture block (363), draw-in groove (364) and spring (365), T-slot (32) inner wall symmetry is seted up recess (361), recess (361) inner wall is rotated through the pivot and is connected with gag lever post (362), gag lever post (362) one end is fixed with fixture block (363), draw-in groove (364) with fixture block (363) matched with is seted up to T-shaped piece (33) bilateral symmetry, and fixture block (363) and draw-in groove (364) joint, recess (361) inner wall is fixed with spring (365), and spring (365) are close to the one end and gag lever post (362) fixed connection of gag lever post (362).

3. A battery protection plate as claimed in claim 2, wherein: unlocking mechanisms (4) are symmetrically arranged at two ends of the fixing block (31).

4. A battery protection plate as claimed in claim 3, wherein: the unlocking mechanism (4) comprises an ejector rod (41), a pressing plate (42), a sliding column (43), a sliding rod (44) and an extrusion block (45), a first sliding hole is formed in one end, far away from the clamping block (363), of the inner wall of the groove (361), the ejector rod (41) is connected with the inner wall of the first sliding hole in a sliding mode, the pressing plate (42) is fixed to one end, far away from the limiting rod (362), of the ejector rod (41), chamfers are symmetrically arranged at one end, far away from the flexible circuit board (2), of the T-shaped block (33), second sliding holes are symmetrically formed in one end, close to the chamfers of the T-shaped block (33), of the inner wall of the groove (361), the sliding column (43) is connected with the sliding column (43) in a sliding mode, one end, close to the pressing plate (42), of the sliding column (43) is arranged in a hollow mode, the sliding rod (44, an extrusion block (45) is fixed at one end of the sliding column (43) far away from the pressing plate (42), and the extrusion block (45) is arranged in a triangular shape.

5. The battery protection plate as claimed in claim 4, wherein: and one end of the ejector rod (41) close to the limiting rod (362) is fixed with an ejector block (5).

6. A battery protection plate as claimed in claim 1, wherein: the top of the T-shaped block (33) is provided with a poking groove (6).

7. The battery protection plate as claimed in claim 4, wherein: and a limiting ring (7) is fixed at one end of the sliding rod (44) far away from the pressure plate (42).

8. The battery protection plate as claimed in claim 4, wherein: and one end of the T-shaped block (33) close to the extrusion block (45) is symmetrically provided with avoidance grooves (8).

9. The battery protection plate as claimed in claim 4, wherein: the fixture blocks (363) are arranged in a trapezoidal shape.

10. A battery protection plate as claimed in claim 1, wherein: the PCB board (1) is provided with mounting holes (9) at two ends symmetrically.