CN116826894A

CN116826894A - Bidirectional self-protection charger

Info

Publication number: CN116826894A
Application number: CN202310631950.3A
Authority: CN
Inventors: 毛群英; 庞绍斌; 陈祖维
Original assignee: Shenzhen Chitech Technology Co ltd
Current assignee: Shenzhen Chitech Technology Co ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-09-29

Abstract

The invention relates to the technical field of electronic product charging devices and discloses a bidirectional self-protection charger, which comprises a wireless charging assembly, wherein the wireless charging assembly comprises a mounting shell, a temperature sensor, a wireless charging coil, a controller, a driving part and a plurality of clamping jaws, the wireless charging coil is arranged in the mounting shell, the plurality of clamping jaws are distributed around the mounting shell in a matrix manner, each clamping jaw is in sliding fit with the mounting shell, the driving part is used for driving the clamping jaws to clamp and relax, and the temperature sensor is electrically connected with the controller.

Description

Bidirectional self-protection charger

Technical Field

The invention relates to the technical field of electronic product charging devices, in particular to a bidirectional self-protection charger.

Background

Electronic readers are portable, low-energy, high-resolution devices that are specially used to display digital versions of written materials from books, magazines, newspapers, and other printed matter sources, and such electronic readers are often capable of changing different display modes, through which users can read various electronic readings such as newspapers, novels, and the like, and after a period of use, the electronic reader needs to be charged.

As disclosed in chinese patent publication No. CN111049238A, an electronic product charging stand comprises a base, the top outer wall of base is equipped with fixed cover, and the inside grafting of fixed cover has the second installation axle, the both ends of second installation axle all are equipped with the installation pole, and the one end of two installation poles is equipped with same installation cover, and the inside grafting of installation cover has first installation axle, the both ends of first installation axle are equipped with same board of placing, and place one side at board top and be equipped with the backup pad, the opposite side of placing board top is equipped with two spacing, two second spouts have been seted up to base bottom inner wall, and the angle of cell-phone is adjusted to the position that this invention can stir regulation place board and installation pole, and convenient to use is nimble, and collapsible place board and installation pole when not using to open the movable seat of moving door and twine the cable on the wire winding pole, the spring promotes to press the clamp plate to press down the cable on the wire winding pole and fix, conveniently accomodates and carry.

The existing charger with an electronic product support is further provided with a wireless charging module at the tail end of the support, and the electronic product is clamped and fixed through the clamping device, so that the electronic product can be continuously charged in the using process without additionally plugging wires, the process of accommodating the wires is omitted, however, a large amount of heat can be generated in the wireless charging process of the electronic reader, and can be rapidly accumulated in the wireless charging module, the wireless charging module is damaged after serious overheating, and the service life of the electronic reader is reduced.

For this reason, we propose a bidirectional self-protection charger to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a bidirectional self-protection charger, which aims to solve the problems that the prior electronic product bracket with the charging function provided in the background art can generate a large amount of heat during use, and the wireless charging module can be damaged after serious overheating, so that the service life of an electronic reader per se can be reduced.

In order to achieve the above purpose, the present invention provides the following technical solutions: the bidirectional self-protection charger comprises a wireless charging assembly, wherein the wireless charging assembly comprises a mounting shell, a temperature sensor, a wireless charging coil, a controller, a driving part and a plurality of clamping jaws, the wireless charging coil is arranged in the mounting shell, the clamping jaws are distributed around the mounting shell in a matrix manner, each clamping jaw is in sliding fit with the mounting shell, the driving part is used for driving the clamping jaws to clamp and relax, and the temperature sensor is electrically connected with the controller;

a plurality of combined locking assemblies are arranged below the mounting shell, two adjacent combined locking assemblies are connected through a supporting assembly, the wireless charging assembly is arranged at one end, far away from the supporting assembly, of the combined locking assembly positioned at the topmost part, and a rotary locking assembly is arranged at the bottom of the combined locking assembly positioned at the bottommost part;

each combined locking component comprises a locking part and a trigger rod, and the trigger rod is used for controlling synchronous locking and disconnection of the joints between the multiple combined locking components and the multiple supporting components and controlling synchronous locking and disconnection of the rotating locking components.

Through the technical scheme, in the process of charging the electronic reader, the temperature sensor can monitor the temperature in the installation shell in real time, and when the temperature sensed by the temperature sensor is too high, the charging process can be automatically cut off, so that the overheat protection of the wireless charging assembly can be realized, the power-off protection of the electronic reader can be realized, and the bidirectional self-protection effect is realized;

on the premise of guaranteeing quick adjustment of the supporting angle of the electronic reader, the invention can also quickly and synchronously lock the joints and the rotating locking assemblies between the plurality of combined locking assemblies and the plurality of supporting assemblies, and is different from the prior art in that the locking effect is stronger, and the electronic reader can be effectively prevented from shaking in the process of touching by a user.

Further, the outer wall swing joint of installation casing is at the one end that is located the joint locking subassembly at top, rotates locking subassembly bottom and is provided with the centre gripping base, is provided with the linkage between rotation locking subassembly and the a plurality of joint locking subassembly and triggers the subassembly, and the linkage triggers the subassembly and is used for transmitting the power that the trigger lever provided to on rotation locking subassembly and a plurality of joint locking subassembly.

Further, the driving component comprises a driving motor, an opening and closing gear and two L-shaped sliding plates, the driving motor is arranged in the installation shell, the opening and closing gear is sleeved on an output shaft of the driving motor, the two L-shaped sliding plates are respectively positioned at two sides of the driving motor, each L-shaped sliding plate is in sliding connection with the inner wall of the installation shell, a plurality of clamping jaws are fixedly connected with the L-shaped sliding plates close to the clamping jaw, a plurality of tooth grooves are formed in one side, close to the opening and closing gear, of each L-shaped sliding plate, and each L-shaped sliding plate is in transmission connection with the opening and closing gear through a plurality of tooth grooves;

the temperature sensor is arranged on one side, close to the wireless charging coil, inside the installation shell, the wireless charging coil and the driving motor are electrically connected with the controller, an opening switch is arranged at the top of the installation shell, and the opening switch is used for controlling the opening and closing of the driving motor.

Through the technical scheme, when a user draws the electronic reader close to the installation shell, the wireless charging coil can charge the electronic reader, and the clamping jaws can automatically approach the electronic reader and clamp and fix the electronic reader.

Further, each supporting component comprises two inclined rods, each joint locking component comprises a fixing frame, the tail ends of the inclined rods are rotationally connected with the fixing frame through connecting shafts, a parallelogram structure is formed between the two inclined rods in each group of supporting components and the connecting shafts at the two ends of the two inclined rods, and the tail ends of the connecting shafts are fixedly connected with driving gears.

Further, each joint locking assembly further comprises a locking shaft, a rotating bearing and a locking gear, the locking shaft is rotationally connected to the fixing frame, a mounting groove is formed in the locking shaft, the rotating bearing is sleeved on the locking shaft through the mounting groove, the locking gears are fixedly connected to the locking shaft, the locking shaft is located between the two driving gears, and the two driving gears are meshed with the locking gears.

Through the technical scheme, when the locking shaft is locked, the positions of the two corresponding inclined rods on two sides of the locking shaft can be fixed, and the locking mode is more efficient and stable.

Further, every locking part is including slide rail and two carriage, slide rail fixed connection is in on the mount, two equal sliding connection of carriage are in on the slide rail, all rotate on every carriage and be connected with the pawl, the jaw department fixedly connected with hold-down spring of pawl, every hold-down spring keeps away from one side of pawl all with a carriage fixed connection, every the top of carriage all is provided with a trapezoidal impeller, is provided with tensioning spring between two trapezoidal impeller, be provided with two ratchets on the locking axle, the tooth's socket opposite direction of two ratchets, and every the pawl all cooperatees with a ratchet structure.

Further, each locking part further comprises an inverted trapezoid pushing block, the top of each inverted trapezoid pushing block is fixedly connected with one triggering rod, each triggering rod is in sliding fit with one fixing frame, each inverted trapezoid pushing block is in sliding fit with the trapezoid pushing blocks on two sides of each inverted trapezoid pushing block, and a triggering pressing block is arranged at the top of the triggering rod located at the top.

Through the technical scheme, when the inverted trapezoid pushing block is pressed down, the two pawls at the two sides of the inverted trapezoid pushing block can be automatically pushed away to the two sides, and then each pawl can be separated from the corresponding ratchet wheel, so that the support assemblies are in a free moving state, and a user can freely adjust the angle of the electronic reader.

Further, the linkage trigger assembly comprises a main steel wire rope and a plurality of auxiliary steel wire ropes, wherein the main steel wire ropes are sequentially wound on a plurality of rotating bearings, each auxiliary steel wire rope is fixedly connected to the side wall of the main steel wire rope, a plurality of guide rollers are arranged on each fixing frame, the top starting end of the main steel wire rope is fixedly connected with the top of one inverted trapezoid pushing block, the top of the inverted trapezoid pushing block located at the top is connected with one side end of the main steel wire rope, the main steel wire ropes are lifted, the bottoms of the other inverted trapezoid pushing blocks are connected with one auxiliary steel wire rope respectively, and the auxiliary steel wire ropes are used for being synchronously pulled by the main steel wire ropes.

Through the technical scheme, when a user needs to adjust the angle of electronic reading, the trigger pressing block can be pressed down, and at the moment, the joint between the plurality of combined locking assemblies and the plurality of supporting assemblies can be synchronously disconnected through the pulling effect of the main steel wire rope and the plurality of auxiliary steel wire ropes in the linkage trigger assembly, so that the angle of the electronic reading device can be quickly and freely adjusted.

Further, rotate locking subassembly including pivot, carousel, mounting bracket and rotation cardboard, the pivot rotates to be connected the top of centre gripping base, is located the mount setting of below the top of carousel, carousel fixed connection is in the top of pivot, the mounting bracket sets up the side of pivot, the rotation cardboard rotates to be connected on the mounting bracket, the top of rotation cardboard is provided with the fixture block, the bottom interval of carousel is provided with a plurality of draw-in grooves, the carousel through a plurality of draw-in grooves with fixture block joint cooperation.

Further, be provided with reset spring between rotation cardboard and the centre gripping base, the top of mounting bracket is provided with the spacing ring, and main wire rope passes the spacing ring, and main wire rope's bottom termination with one side joint cooperation that the fixture block was kept away from to rotation cardboard. Further, the adjusting slide block is hinged with a connecting push rod, one end of the connecting push rod, which is far away from the adjusting slide block, is hinged with the outer wall of the rotating disc, and the tail end of the threaded rod is provided with an adjusting knob.

Through above-mentioned technical scheme, when the user presses the trigger and presses the briquetting, can unlock rotation locking subassembly simultaneously, the fixture block breaks away from with the draw-in groove of carousel bottom this moment, and the carousel can carry out free rotation, has strengthened electronic reader's accommodation, and when the user loosens the trigger and presses the briquetting, reset spring redrives fixture block and draw-in groove joint cooperation, and then can lock simultaneously a plurality of joints and the angle of carousel between locking subassembly and a plurality of supporting component jointly to reach the purpose of fixing electronic reader's angle fast.

Compared with the prior art, the invention has the beneficial effects that:

in the invention, the temperature sensor can monitor the temperature in the installation shell in real time in the process of charging the electronic reader, when the temperature sensed by the temperature sensor is too high, the controller can send a signal to the wireless charging coil, and automatically cut off the power supply of the wireless charging coil, so that the charging process can be rapidly stopped, the overheat protection of the wireless charging assembly can be realized, the electronic reader can be also subjected to power-off protection, and the bidirectional self-protection effect is realized;

secondly, the invention is an improvement made aiming at the problem that when the electronic reader is supported and fixed by an electronic reader bracket with a charging function in the prior art, the electronic reader is required to be frequently touched by a user, so that the electronic reader can shake, the eye discomfort of the user can be caused, and the reading experience of the user is affected.

Thirdly, in the invention, when a user draws the electronic reader close to the mounting shell, the wireless charging coil senses the electronic reader, the electronic reader can be charged, and at the moment, the driving motor drives the two L-shaped sliding plates to mutually approach through the opening and closing gear, so that the clamping jaws automatically approach the electronic reader and automatically clamp and fix the electronic reader, and when the user needs to take down the electronic reader, the driving motor only needs to press the opening switch, and the driving motor drives the clamping jaws to separate from the electronic reader, so that the electronic reader can be taken down rapidly.

In the fourth embodiment of the invention, when a user needs to adjust the angle of the electronic reading, the angle of the electronic reader can be freely adjusted by only pressing the trigger pressing block, specifically, the trigger pressing block pushes the inverted trapezoid pushing block to push down, at this time, two pawls at two sides of the inverted trapezoid pushing block can be pushed away to two sides, and each pawl can be separated from a corresponding ratchet wheel through the linkage pulling action of the main steel wire rope and the auxiliary steel wire rope, so that each supporting component is in a free movable state.

Fifthly, in the invention, when a user releases the trigger pressing block, the main steel wire rope is also pulled downwards, the locking shaft can be quickly locked from two directions, when the locking shaft is locked, the locking gear can be locked, the locking gear continues to fix the positions of the two inclined rods corresponding to the two sides of the locking gear through the two driving gears, and then the positions of the two inclined rods in each supporting component are fixed, so that the electronic reader can be ensured not to shake in the process of touching by the user.

According to the invention, when the user presses the trigger pressing block, the adjusting shaft can be unlocked at the same time, specifically, the main steel wire rope can drive the two pawls above the adjusting shaft to be away from each other, at the moment, the two pawls are separated from the corresponding ratchet wheels, the adjusting shaft can rotate freely, the adjusting range of the electronic reader is further enlarged, when the user releases the trigger pressing block, the adjusting shaft can be quickly locked from two directions, and when the adjusting shaft is locked, the angle of the installation shell can be fixed, so that the electronic reader is further ensured not to shake in the process of touching by the user.

Drawings

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

FIG. 2 is a schematic diagram of a wireless charging assembly according to the present invention;

FIG. 3 is a schematic view of the structure of an L-shaped skateboard;

FIG. 4 is a schematic view of a support assembly according to the present invention;

FIG. 5 is an enlarged view of FIG. 4 at A;

FIG. 6 is a schematic view of a ratchet wheel according to the present invention;

FIG. 7 is an enlarged view of FIG. 6 at B;

FIG. 8 is a schematic view of a lock shaft according to the present invention;

FIG. 9 is a schematic diagram of a linkage trigger assembly according to the present invention;

FIG. 10 is a schematic view of a turntable according to the present invention;

FIG. 11 is an enlarged view of FIG. 10 at C;

FIG. 12 is a schematic view of a structure of a rotating shaft according to the present invention;

FIG. 13 is a schematic illustration of the connection between a primary and secondary wire rope in accordance with the present invention;

fig. 14 is an enlarged view of D in fig. 13.

In the figure: 1. clamping a base; 2. a rotational locking assembly; 3. a support assembly; 4. a joint locking assembly; 5. a linkage trigger assembly; 6. a wireless charging assembly; 7. a fixing frame; 8. a mounting shell; 9. an L-shaped sliding plate; 10. opening a switch; 11. a wireless charging coil; 12. an adjusting shaft; 13. tooth slots; 14. an opening and closing gear; 15. a driving motor; 16. a connecting shaft; 17. a drive gear; 18. locking the gear; 19. triggering a pressing block; 20. a trigger lever; 21. a rotating bearing; 22. a locking shaft; 23. a main wire rope; 24. a ratchet wheel; 25. a guide roller; 26. a slide rail; 27. a carriage; 28. a pawl; 29. a compression spring; 30. inverted trapezoid pushing blocks; 31. a trapezoidal pushing block; 32. tensioning the spring; 33. an auxiliary wire rope; 34. a turntable; 35. a clamping groove; 36. a mounting frame; 37. a return spring; 38. rotating the clamping plate; 39. a clamping block; 40. a limiting ring; 41. a rotating shaft; 42. clamping jaw.

Detailed Description

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

In the embodiment of the invention, a bidirectional self-protection charger comprises a wireless charging assembly 6, as shown in fig. 1-4, wherein the wireless charging assembly 6 comprises a mounting shell 8, a temperature sensor, a wireless charging coil 11, a controller, a driving component and a plurality of clamping jaws 42, the wireless charging coil 11 is arranged in the mounting shell 8, the plurality of clamping jaws 42 are distributed around the mounting shell 8 in a matrix manner, each clamping jaw 42 is in sliding fit with the mounting shell 8, the driving component is used for driving the plurality of clamping jaws 42 to clamp and loosen, the temperature sensor is electrically connected with the controller, the model of the temperature sensor is C8051F020 singlechip, the model of the temperature sensor is THM-D20E, (the temperature sensor and the controller are both in the prior art and are not shown in the figure);

in the invention, in the process of charging the electronic reader, the temperature sensor can monitor the temperature in the installation shell 8 in real time, when the temperature sensed by the temperature sensor is too high, the controller can send a signal to the wireless charging coil 11, and automatically cut off the power supply of the wireless charging coil 11, so that the charging process can be rapidly stopped, the overheat protection of the wireless charging assembly 6 can be realized, and the electronic reader can be also subjected to power-off protection, thereby realizing the bidirectional self-protection effect;

as shown in fig. 2-3, specifically, the driving component includes a driving motor 15, an opening and closing gear 14 and two L-shaped sliding plates 9, the driving motor 15 is disposed inside the installation housing 8, the opening and closing gear 14 is sleeved on an output shaft of the driving motor 15, the two L-shaped sliding plates 9 are respectively located at two sides of the driving motor 15, each L-shaped sliding plate 9 is slidably connected with an inner wall of the installation housing 8, a plurality of clamping jaws 42 are fixedly connected with the L-shaped sliding plates 9 close to the driving motor, a plurality of tooth grooves 13 are formed in one side, close to the opening and closing gear 14, of each L-shaped sliding plate 9, each tooth groove 13 is in transmission connection with the opening and closing gear 14, a temperature sensor is disposed at one side, close to the wireless charging coil 11, of the installation housing 8, the driving motor 15 is electrically connected with a controller, and an opening switch 10 is disposed at the top of the installation housing 8, and the opening switch 10 is used for controlling opening and closing of the driving motor 15.

In the invention, when a user draws the electronic reader close to the mounting shell 8, the wireless charging coil 11 senses the electronic reader, the electronic reader can be charged, and at the moment, the driving motor 15 drives the two L-shaped sliding plates 9 to be close to each other through the opening and closing gear 14, so that the clamping jaws 42 are automatically close to the electronic reader, and the electronic reader is automatically clamped and fixed, when the user needs to take down the electronic reader, the user only needs to press the opening switch 10, and the driving motor 15 drives the clamping jaws 42 to be separated from the electronic reader, so that the electronic reader can be taken down quickly.

When the electronic reader is matched with the bracket, the electronic reader is usually required to be installed at the end part of the bracket, and then the electronic reader obtains a good viewing angle by adjusting the bracket, however, the inventor finds that when the electronic reader is used, a user needs to frequently touch and turn pages of the electronic reader, and the existing electronic product bracket is usually limited and fixed by friction force at the joint of the movable part of the bracket for convenient adjustment, however, the fixing mode is unstable, and when the user touches the electronic reader, the electronic reader can shake, so that the eye discomfort of the user is caused, and the reading experience of the user is affected.

In order to solve the above-mentioned problems, as shown in fig. 4-9, in the present invention, a plurality of joint locking assemblies 4 are disposed below the installation housing 8, two adjacent joint locking assemblies 4 are connected through a supporting assembly 3, a wireless charging assembly 6 is disposed at one end of the joint locking assembly 4 located at the top and far away from the supporting assembly 3, and a rotating locking assembly 2 is disposed at the bottom of the joint locking assembly 4 located at the bottom.

Each of the combined locking assemblies 4 comprises a locking component and a triggering rod 20, and the triggering rod 20 is used for controlling locking and disconnecting of the joints between the combined locking assemblies 4 and the supporting assemblies 3 and controlling synchronous locking and disconnecting of the rotating locking assembly 2.

As shown in fig. 1 and 9, specifically, the outer wall of the installation housing 8 is movably connected to one end of the joint locking assembly 4 located at the top, the bottom of the rotation locking assembly 2 is provided with the clamping base 1, a linkage triggering assembly 5 is disposed between the rotation locking assembly 2 and the joint locking assemblies 4, and the linkage triggering assembly 5 is used for transmitting the power provided by the triggering rod 20 to the rotation locking assembly 2 and the joint locking assemblies 4.

The invention can rapidly and synchronously lock the joint between the plurality of combined locking assemblies 4 and the plurality of supporting assemblies 3 and the rotating locking assembly 2 on the premise of ensuring the rapid adjustment of the supporting angle of the electronic reader, and is different from the prior art in that the locking effect is stronger, and the electronic reader can be effectively prevented from shaking in the process of touching by a user.

As shown in fig. 3 to 5, specifically, each supporting component 3 includes two diagonal rods, each combined locking component 4 includes a fixing frame 7, the tail end of each diagonal rod is rotationally connected with the fixing frame 7 through a connecting shaft 16, a parallelogram structure is formed between two diagonal rods in each group of supporting components 3 and the connecting shafts 16 at two ends of the two diagonal rods, and the tail end of each connecting shaft 16 is fixedly connected with a driving gear 17.

In the invention, the stability of the single supporting component 3 during rotation adjustment can be effectively improved by designing the space between the two diagonal rods in each group of supporting components 3 and the connecting shafts 16 at the two ends of the two diagonal rods to be in a parallelogram structure.

As shown in fig. 6-8, specifically, each combined locking assembly 4 further includes a locking shaft 22, a rotating bearing 21 and a locking gear 18, the locking shaft 22 is rotatably connected to the fixing frame 7, a mounting groove is formed in the locking shaft 22, the rotating bearing 21 is sleeved on the locking shaft 22 through the mounting groove, the locking gear 18 is fixedly connected to the locking shaft 22, the locking shaft 22 is located between the two driving gears 17, and the two driving gears 17 are meshed with the locking gear 18.

It should be noted that, when the locking shaft 22 is locked, the locking gear 18 can be locked, the locking gear 18 continues to fix the positions of the two diagonal rods corresponding to the two sides of the locking gear 18 through the two driving gears 17, and then fixes the positions of the two diagonal rods in the single supporting component 3, so that the locking mode is more efficient and stable.

As shown in fig. 6-9, specifically, each locking component includes a sliding rail 26 and two sliding frames 27, the sliding rail 26 is fixedly connected to the fixed frame 7, the two sliding frames 27 are all slidingly connected to the sliding rail 26, a pawl 28 is all rotationally connected to each sliding frame 27, a compression spring 29 is fixedly connected to the claw head of each pawl 28, one side of each compression spring 29 away from the pawl 28 is fixedly connected to one sliding frame 27, a trapezoidal pushing block 31 is arranged at the top of each sliding frame 27, a tensioning spring 32 is arranged between the two trapezoidal pushing blocks 31, two ratchets 24 are arranged on the locking shaft 22, tooth grooves 13 of the two ratchets 24 are opposite in direction, each pawl 28 is matched with one ratchet 24 structure, each locking component further includes l, the top of each inverted trapezoidal pushing block 30 is fixedly connected with one trigger rod 20, each trigger rod 20 is slidingly matched with one fixed frame 7, each inverted trapezoidal pushing block 30 is slidingly matched with trapezoidal pushing blocks 31 at the two sides of the inverted trapezoidal pushing blocks 30, and the trigger rod 19 is arranged at the top of the most trigger rod.

In the invention, when a user needs to adjust the angle of electronic reading, the user only needs to press the trigger pressing block 19 to drive the inverted trapezoidal push block 30 to push down, at this time, the two pawls 28 at two sides of the inverted trapezoidal push block 30 can be pushed away to two sides, so that each pawl 28 can be separated from the corresponding ratchet wheel 24, thus the supporting component 3 is in a free movable state, and the user can freely adjust the angle of the electronic reader.

A linkage triggering component 5 is arranged between the rotation locking component 2 and the plurality of combined locking components 4;

as shown in fig. 8-9, specifically, the linkage triggering assembly 5 includes a main wire rope 23 and a plurality of auxiliary wire ropes 33, the main wire rope 23 is sequentially wound on a plurality of rotating bearings 21, each auxiliary wire rope 33 is fixedly connected to a side wall of the main wire rope 23, a plurality of guiding rollers 25 are respectively arranged on each fixing frame 7, a top starting end of the main wire rope 23 is fixedly connected with a top of an inverted trapezoid pushing block 30, wherein the top of the inverted trapezoid pushing block 30 located at the top is connected with one end of the main wire rope 23 for lifting the main wire rope 23, the bottoms of the rest inverted trapezoid pushing blocks 30 are respectively connected with one auxiliary wire rope 33, and the auxiliary wire ropes 33 are used for being synchronously pulled by the main wire rope 23.

In the invention, when the angle of the electronic reading is adjusted, the trigger pressing block 19 is pressed, the pawl 28 in the combined locking component 4 at the top part can be separated from the corresponding ratchet wheel 24, the supporting component 3 can freely rotate at the moment, and the rest inverted trapezoidal push block 30 can be synchronously driven by the pulling action of the main steel wire rope 23 and the plurality of auxiliary steel wire ropes 33 in the linkage triggering component 5, so that the connection parts of the plurality of combined locking components 4 and the plurality of supporting components 3 can be synchronously disconnected, and then the angle of the electronic reading can be quickly and freely adjusted.

As shown in fig. 10-12, specifically, the rotation locking assembly 2 includes a rotating shaft 41, a turntable 34, a mounting frame 36 and a rotation clamping plate 38, the rotating shaft 41 is rotationally connected at the top of the clamping base 1, the fixing frame 7 located at the lowest position is arranged at the top of the turntable 34, the turntable 34 is fixedly connected at the top of the rotating shaft 41, the mounting frame 36 is arranged at the side of the rotating shaft 41, the rotation clamping plate 38 is rotationally connected on the mounting frame 36, a clamping block 39 is arranged at the top of the rotation clamping plate 38, a plurality of clamping grooves 35 are arranged at the bottom of the turntable 34 at intervals, the turntable 34 is in clamping fit with the clamping block 39 through the plurality of clamping grooves 35, a reset spring 37 is arranged between the rotation clamping plate 38 and the clamping base 1, a limiting ring 40 is arranged at the top of the mounting frame 36, the main steel wire rope 23 penetrates through the limiting ring 40, and the bottom end of the main steel wire rope 23 is in clamping fit with one side of the rotation clamping plate 38 away from the clamping block 39.

In the invention, when a user presses the trigger pressing block 19, the rotation locking assembly 2 can be simultaneously unlocked, specifically, the main steel wire rope 23 drives the rotation clamping plate 38 to rotate clockwise, at the moment, the clamping block 39 is separated from the clamping groove 35 at the bottom of the rotary table 34, and the rotary table 34 can rotate freely, so that the angle adjusting range of the electronic reader is enhanced;

when the user releases the trigger pressing block 19, the reset spring 37 drives the clamping block 39 to be matched with the clamping groove 35 in a clamping way, so that the joint between the plurality of joint locking assemblies 4 and the plurality of supporting assemblies 3 and the angle of the rotary table 34 can be simultaneously locked, the aim of rapidly fixing the angle of the electronic reader is fulfilled, meanwhile, the main steel wire rope 23 can be pulled downwards along with the joint, all the inverted trapezoidal push blocks 30 can be simultaneously driven to move in the direction away from the two trapezoidal push blocks 31 close to the inverted trapezoidal push blocks, each tensioning spring 32 can drive the two trapezoidal push blocks 31 fixedly connected with the tensioning spring 32 to be mutually close to each other, each pawl 28 can be clamped into the corresponding ratchet wheel 24, and as the tooth grooves 13 of the two ratchet wheels 24 are opposite in direction, the locking shafts 22 can be rapidly locked from two directions, when the locking shafts 22 are locked, the locking gears 18 can be locked, the two inclined rods can be continuously driven to the two sides of the corresponding ratchet wheels 18 through the two gears 17 to be continuously fixed at two positions of the corresponding inclined rods 3, and the two inclined rods can be difficult to read in the process of fixing the electronic reader.

Example 2

Referring to fig. 13-14, unlike embodiment 1, the outer wall of the installation housing 8 is movably connected to one end of the joint locking assembly 4 located at the top, the end of the installation housing 8 is fixedly connected with an adjusting shaft 12, the installation housing 8 is rotatably connected to one end of the fixing frame 7 in the joint locking assembly 4 located at the top through the adjusting shaft 12, a group of joint locking assemblies 4 are sleeved on the adjusting shaft 12, the joint locking assemblies 4 have the same structure as the joint locking assemblies 4 in embodiment 1, and the inverted trapezoidal push block 30 in the joint locking assemblies 4 is fixedly connected with the main steel wire rope 23 through a secondary steel wire rope 33;

it should be noted that, in this embodiment, when the user presses the trigger pressing block 19, the user can unlock the adjusting shaft 12 at the same time, specifically, the main wire rope 23 drives the two pawls 28 above the adjusting shaft 12 to be far away from each other, at this time, the two pawls 28 are separated from the corresponding ratchet wheels 24, the adjusting shaft 12 can rotate freely, and the angle adjusting range of the electronic reader is further enhanced;

when the user releases the trigger pressing block 19, the same principle as in embodiment 1, the adjusting shaft 12 can be quickly locked from two directions, and when the adjusting shaft 12 is locked, the angle of the mounting housing 8 can be fixed, so that the electronic reader is further ensured to be difficult to shake in the process of touching by the user.

The working principle of the invention is as follows: in the invention, in the process of charging the electronic reader, the temperature sensor can monitor the temperature in the installation shell 8 in real time, when the temperature sensed by the temperature sensor is too high, the controller can send a signal to the wireless charging coil 11, and automatically cut off the power supply of the wireless charging coil 11, so that the charging process can be rapidly stopped, the overheat protection of the wireless charging assembly 6 can be realized, and the electronic reader can be also subjected to power-off protection, thereby realizing the bidirectional self-protection effect;

when a user draws the electronic reader close to the installation shell 8, the wireless charging coil 11 senses the electronic reader, the electronic reader can be charged, and at the moment, the driving motor 15 drives the two L-shaped sliding plates 9 to be close to each other through the opening and closing gear 14, so that the clamping jaws 42 are automatically close to the electronic reader and automatically clamp and fix the electronic reader, when the user needs to take down the electronic reader, the user only needs to press the opening switch 10, and the driving motor 15 can drive the clamping jaws 42 to be separated from the electronic reader, so that the electronic reader can be taken down rapidly.

In the invention, when the angle of the electronic reader is adjusted, the trigger pressing block 19 is pressed, the pawl 28 in the topmost combined locking component 4 can be separated from the corresponding ratchet wheel 24, the supporting component 3 can freely rotate at the moment, the rest inverted trapezoidal push block 30 can be synchronously driven by the pulling effect of the main steel wire rope 23 and the plurality of auxiliary steel wire ropes 33 in the linkage triggering component 5, and the connection parts of the plurality of combined locking components 4 and the plurality of supporting components 3 can be synchronously disconnected, so that the angle of the electronic reader can be quickly and freely adjusted, and the adjustable range is large.

In the invention, when a user presses the trigger pressing block 19, the rotation locking assembly 2 can be simultaneously unlocked, specifically, the main steel wire rope 23 drives the rotation clamping plate 38 to rotate clockwise, at the moment, the clamping block 39 is separated from the clamping groove 35 at the bottom of the rotary table 34, and the rotary table 34 can rotate freely, so that the adjustment range of the electronic reader is widened;

when the user releases the trigger pressing block 19, the reset spring 37 drives the clamping block 39 to be matched with the clamping groove 35 in a clamping way, so that the joint between the plurality of joint locking assemblies 4 and the plurality of supporting assemblies 3 and the angle of the rotary table 34 can be simultaneously locked, the aim of rapidly fixing the angle of the electronic reader is fulfilled, meanwhile, the main steel wire rope 23 can be pulled downwards along with the joint, all the inverted trapezoidal push blocks 30 can be simultaneously driven to move in the direction away from the two trapezoidal push blocks 31 close to the inverted trapezoidal push blocks, each tensioning spring 32 can drive the two trapezoidal push blocks 31 fixedly connected with the tensioning spring 32 to be mutually close to each other, each pawl 28 can be clamped into the corresponding ratchet wheel 24, and as the tooth grooves 13 of the two ratchet wheels 24 are opposite in direction, the locking shafts 22 can be rapidly locked from two directions, when the locking shafts 22 are locked, the locking gear 18 can be locked, the two inclined rods can be continuously driven to the two sides of the corresponding ratchet wheels 18 through the two gears 17 to be continuously fixed in the two inclined rods 3, and the two inclined rods can be further fixed in the reader.

When a user presses the trigger pressing block 19, the adjusting shaft 12 can be unlocked at the same time, specifically, the main steel wire rope 23 drives the two pawls 28 above the adjusting shaft 12 to be away from each other, at the moment, the two pawls 28 are separated from the corresponding ratchet wheels 24, the adjusting shaft 12 can rotate freely, and the adjusting range of the electronic reader is further widened;

when the user releases the trigger pressing block 19, the adjusting shaft 12 can be quickly locked from two directions, and when the adjusting shaft 12 is locked, the angle of the installation shell 8 can be fixed, so that the electronic reader is further ensured not to shake in the process of touching by the user.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The bidirectional self-protection charger comprises a wireless charging assembly (6), and is characterized in that the wireless charging assembly (6) comprises a mounting shell (8), a temperature sensor, a wireless charging coil (11), a controller, a driving component and a plurality of clamping jaws (42), wherein the wireless charging coil (11) is arranged in the mounting shell (8), the clamping jaws (42) are distributed around the mounting shell (8) in a matrix manner, each clamping jaw (42) is in sliding fit with the mounting shell (8), the driving component is used for driving the clamping jaws (42) to clamp and relax, and the temperature sensor is electrically connected with the controller;

a plurality of joint locking assemblies (4) are arranged below the mounting shell (8), two adjacent joint locking assemblies (4) are connected through a supporting assembly (3), a wireless charging assembly (6) is arranged at one end, far away from the supporting assembly (3), of the joint locking assembly (4) at the top, and a rotary locking assembly (2) is arranged at the bottom of the joint locking assembly (4) at the bottom;

each joint locking assembly (4) comprises a locking component and a trigger rod (20), and the trigger rod (20) is used for controlling synchronous locking and disconnection of the joints between the joint locking assemblies (4) and the support assemblies (3) and controlling synchronous locking and disconnection of the rotating locking assemblies (2).

2. The bidirectional self-protection charger according to claim 1, wherein the outer wall of the installation shell (8) is movably connected to one end of the joint locking assembly (4) located at the topmost part, the clamping base (1) is arranged at the bottom of the rotation locking assembly (2), the linkage triggering assembly (5) is arranged between the rotation locking assembly (2) and the joint locking assemblies (4), and the linkage triggering assembly (5) is used for transmitting power provided by the triggering rod (20) to the rotation locking assembly (2) and the joint locking assemblies (4).

3. The bidirectional self-protection charger according to claim 2, wherein the driving component comprises a driving motor (15), an opening and closing gear (14) and two L-shaped sliding plates (9), the driving motor (15) is arranged inside the installation shell (8), the opening and closing gear (14) is sleeved on an output shaft of the driving motor (15), the two L-shaped sliding plates (9) are respectively positioned at two sides of the driving motor (15), each L-shaped sliding plate (9) is in sliding connection with the inner wall of the installation shell (8), a plurality of clamping jaws (42) are fixedly connected with the L-shaped sliding plates (9) close to the driving component, a plurality of tooth grooves (13) are formed in one side, close to the opening and closing gear (14), of each L-shaped sliding plate (9) and the opening and closing gear (14) are in transmission connection through the tooth grooves (13);

the temperature sensor is arranged on one side, close to the wireless charging coil (11), inside the installation shell (8), the wireless charging coil (11) and the driving motor (15) are electrically connected with the controller, an opening switch (10) is arranged at the top of the installation shell (8), and the opening switch (10) is used for controlling the opening and closing of the driving motor (15).

4. A bidirectional self-protection charger according to claim 3, wherein each supporting component (3) comprises two inclined rods, each combined locking component (4) comprises a fixing frame (7), the tail end of each inclined rod is rotationally connected with the fixing frame (7) through a connecting shaft (16), a parallelogram structure is formed between the two inclined rods in each group of supporting components (3) and the connecting shafts (16) at the two ends of the two inclined rods, and the tail end of each connecting shaft (16) is fixedly connected with a driving gear (17).

5. The bidirectional self-protection charger according to claim 4, wherein each combined locking assembly (4) further comprises a locking shaft (22), a rotating bearing (21) and a locking gear (18), the locking shafts (22) are rotatably connected to the fixing frame (7), the locking shafts (22) are provided with mounting grooves, the rotating bearing (21) is sleeved on the locking shafts (22) through the mounting grooves, the locking gears (18) are fixedly connected to the locking shafts (22), the locking shafts (22) are located between the two driving gears (17), and the two driving gears (17) are meshed with the locking gears (18).

6. The bidirectional self-protection charger according to claim 5, wherein each locking component comprises a sliding rail (26) and two sliding frames (27), the sliding rails (26) are fixedly connected to the fixing frame (7), the two sliding frames (27) are slidably connected to the sliding rails (26), each sliding frame (27) is rotatably connected with a pawl (28), a compression spring (29) is fixedly connected to a pawl head of each pawl (28), one side, far away from each pawl (28), of each compression spring (29) is fixedly connected with one sliding frame (27), a trapezoidal pushing block (31) is arranged at the top of each sliding frame (27), a tensioning spring (32) is arranged between the two trapezoidal pushing blocks (31), two ratchet wheels (24) are arranged on the locking shaft (22), tooth grooves (13) of the two ratchet wheels (24) are opposite in direction, and each pawl (28) is matched with one ratchet wheel (24) in structure.

7. The bidirectional self-protection charger according to claim 6, wherein each locking component further comprises an inverted trapezoidal push block (30), the top of each inverted trapezoidal push block (30) is fixedly connected with one trigger rod (20), each trigger rod (20) is in sliding fit with one fixing frame (7), each inverted trapezoidal push block (30) is in sliding fit with trapezoidal push blocks (31) on two sides of the inverted trapezoidal push block (30), and a trigger pressing block (19) is arranged on the top of the trigger rod (20) at the top.

8. The bidirectional self-protection charger according to claim 7, wherein the linkage triggering assembly (5) comprises a main steel wire rope (23) and a plurality of auxiliary steel wire ropes (33), the main steel wire rope (23) is sequentially wound on a plurality of rotating bearings (21), each auxiliary steel wire rope (33) is fixedly connected to the side wall of the main steel wire rope (23), a plurality of guide rollers (25) are arranged on each fixing frame (7), the top starting end of the main steel wire rope (23) is fixedly connected with the top of one of the inverted trapezoid pushing blocks (30), the top of the inverted trapezoid pushing block (30) located at the top is connected with one side end of the main steel wire rope (23) and used for lifting the main steel wire rope (23), the bottoms of the rest of the inverted trapezoid pushing blocks (30) are respectively connected with one auxiliary steel wire rope (33), and the auxiliary steel wire ropes (33) are used for being synchronously pulled by the main steel wire rope (23).

9. A bidirectional self-protection charger according to claim 3, wherein the rotation locking assembly (2) comprises a rotating shaft (41), a rotary table (34), a mounting frame (36) and a rotation clamping plate (38), the rotating shaft (41) is rotationally connected to the top of the clamping base (1), a fixing frame (7) located at the lowest position is arranged at the top of the rotary table (34), the rotary table (34) is fixedly connected to the top of the rotating shaft (41), the mounting frame (36) is arranged beside the rotating shaft (41), the rotation clamping plate (38) is rotationally connected to the mounting frame (36), a clamping block (39) is arranged at the top of the rotation clamping plate (38), a plurality of clamping grooves (35) are formed in the bottom of the rotary table (34) at intervals, and the rotary table (34) is matched with the clamping block (39) in a clamping mode through the plurality of clamping grooves (35).

10. The bidirectional self-protection charger according to claim 9, wherein a return spring (37) is arranged between the rotating clamping plate (38) and the clamping base (1), a limiting ring (40) is arranged at the top of the mounting frame (36), the main steel wire rope (23) passes through the limiting ring (40), and the bottom termination end of the main steel wire rope (23) is in clamping fit with one side, far away from the clamping block (39), of the rotating clamping plate (38).