CN211859665U

CN211859665U - Wireless clamping device that fills of easy equipment location

Info

Publication number: CN211859665U
Application number: CN202020755740.7U
Authority: CN
Inventors: 杨伟钊
Original assignee: Shenzhen Annaijia Electronics Co Ltd
Current assignee: Shenzhen Annaijia Electronics Co Ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2020-11-03
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses a wireless charging and clamping device easy to assemble and position, which comprises a shell and clamping parts exposed on the left side and the right side of the shell; an inner frame is arranged in the shell and comprises a front inner frame and a rear inner frame, and the rear side surface of the front inner frame is provided with an upper lateral guide groove, a middle positioning area and a lower lateral guide groove; the front inner frame and the rear inner frame are positioned with each other in the middle positioning area; at least one clamping part is connected with a transverse guide rod which extends into the upper transverse guide groove and the lower transverse guide groove respectively, and the transverse guide rod is provided with an elastic element; and the front side of the front inner frame is provided with a wireless charging coil, the rear side of the rear inner frame is provided with a circuit board, and the wireless charging coil is electrically connected with the circuit board. The structure design is simple and reasonable, the assembly and positioning are convenient and quick, the production efficiency is improved, and meanwhile, the whole volume of the bracket is favorably reduced, and the portability of the bracket is improved; the wireless charging coil and the circuit board are effectively protected, and the support is ensured to be reliable in long-time use performance.

Description

Wireless clamping device that fills of easy equipment location

Technical Field

The utility model belongs to the technical field of the wireless clamping device that fills and specifically relates to indicate a wireless clamping device that fills of easy equipment location.

Background

At present, on lazy people's support or car back pillow support or desktop support, generally through anchor clamps and support piece or connecting piece cooperation, reach convenience of customers and use electronic product's effect, generally, this kind of anchor clamps utilize the data line to connect electron device to charge, and the operation is comparatively troublesome during charging.

Some vehicle-mounted supports have a wireless charging function, but are complex in structure, troublesome in assembly and positioning, thick in support thickness and large in size; the anchor clamps on lazy people's support or car back pillow support, the structure is comparatively simple, but, is subject to design space and the equipment factor such as too complicated of anchor clamps on lazy people's support or car back pillow support or the desktop support of tradition, leads to can't add wireless function of charging always.

Therefore, in the utility model discloses in, the applicant has studied a new technical scheme with meticulous to realize the wireless function of charging of anchor clamps on lazy people's support or car back pillow support or the desktop support.

In addition, the wireless clamping device that fills is charging after using for a period of time, and the phenomenon such as generate heat appears easily, and present wireless clamping device that fills is limited to the design space size, does not conveniently do the heat dissipation design.

And, wireless clamping device that fills can only support wireless charging, when the in-service use, sometimes need wired charging often to seek the interface that charges in addition.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a wireless charging and clamping device easy to assemble and position, which has simple and reasonable structure and design, convenient and fast assembly and positioning, and improved production efficiency, and is beneficial to reducing the overall size of the bracket and improving the portability of the bracket; the wireless charging coil and the circuit board are effectively protected, and the support is ensured to be reliable in long-time use performance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a wireless charging clamping device easy to assemble and position comprises a shell and clamping parts exposed on the left side and the right side of the shell; wherein:

the shell comprises a front shell and a rear shell which are assembled front and back, an inner frame is arranged in the shell and comprises a front inner frame and a rear inner frame which are assembled front and back, and the rear side surface of the front inner frame is provided with an upper lateral guide groove, a middle positioning area and a lower lateral guide groove; a wireless charging coil is arranged on the front side of the front inner frame, an installation concave position is arranged on the front side surface of the front inner frame and/or the rear side surface of the front shell, and the wireless charging coil is adapted to the installation concave position;

the front inner frame and the rear inner frame are positioned with each other in the middle positioning area;

at least one clamping part is connected with a transverse guide rod which extends into the upper transverse guide groove and the lower transverse guide groove respectively, the transverse guide rod is provided with an elastic element, the elastic element deforms when the clamping part is pulled outwards to be opened, and the elastic element resets to enable the clamping part to be clamped inwards after the clamping part is released;

and a circuit board is arranged on the rear side of the rear inner frame, and the wireless charging coil is electrically connected with the circuit board.

As a preferable scheme, a plurality of first transverse partition ribs which are arranged at intervals up and down are integrally formed at the rear side of the front inner frame, and the rear inner frame is matched with the rear ends of the first transverse partition ribs so as to divide the upper transverse guide groove, the middle positioning area and the lower transverse guide groove by the first transverse partition ribs; and a second transverse partition rib is integrally formed at the front side of the rear inner frame and extends into the middle positioning area.

Preferably, the front inner frame and the rear inner frame are locked to each other at the intermediate positioning section by first screws.

Preferably, a mounting recess is integrally formed at the front side of the front inner frame, and the wireless charging coil is fitted into the mounting recess.

As a preferable scheme, the outer shell comprises a front shell and a rear shell which are assembled front and rear, the upper end and the lower end of the front inner frame are provided with extension edges, the extension edges are provided with connecting holes, and the front shell and the rear shell pass through the connecting holes through second screws to form locking.

As a preferred scheme, a first pre-positioning hole is formed in the extending edge; one of the front shell and the rear shell is provided with a second prepositioning hole, and the other one of the front shell and the rear shell is provided with a prepositioning column which passes through the first prepositioning hole and extends into the second prepositioning hole.

Preferably, the rear shell is provided with an annular edge and a rear convex heat dissipation cover part connected to the rear end of the annular edge; the front end of the annular edge is spliced and positioned with the front shell, and a heat dissipation cavity is formed between the rear convex heat dissipation cover part and the circuit board.

As a preferred scheme, a plurality of heat dissipation holes are formed in the rear convex type heat dissipation cover portion to penetrate through the heat dissipation cavity and the outside.

As a preferable scheme, a bracket mounting part is convexly arranged on the rear side of the shell, an abdicating transverse groove is formed in the rear side of the shell, and the transverse guide rod is connected with an operation convex part extending out of the abdicating transverse groove; the poking operation convex part moves outwards along the abdicating transverse groove, so that the clamping part connected with the transverse guide rod is opened outwards.

As a preferred scheme, the circuit board is respectively connected with a charging input interface and a charging output interface; the charging input interface is respectively connected with a full-bridge circuit and a voltage reduction module, is connected to the wireless charging coil through the full-bridge circuit, and is connected to the charging output interface through the voltage reduction module;

the wireless charging control circuit is characterized in that a wireless charging control chip is further arranged, the wireless charging coil is connected to the wireless charging control chip in a feedback mode, and the wireless charging control chip is connected to the full-bridge circuit.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

the wireless charging clamping device has the advantages that through the arrangement of the inner frame, the transverse guide rod, the pressure spring, the wireless charging coil and the circuit board, the structure of the whole wireless charging clamping device is simple and reasonable, the assembly and the positioning are convenient and quick, the production efficiency is improved, meanwhile, the whole size of the support is favorably reduced, and the portability of the support is improved; the components of the clamping action part on the bracket are isolated and positioned, so that the clamping action part, the wireless charging coil and the circuit board are effectively protected, and the reliability of the long-time service performance of the bracket is ensured; the utility model discloses a wireless clamping device that fills compromises many-sided factors such as manufacturing cost, application scope, is suitable for batch production and popularization and application.

Secondly, wireless clamping device that fills heat dispersion is good, reduces the heat accumulation to the negative effects of circuit board and wireless charging coil, is favorable to guaranteeing the performance of charging, has prolonged wireless clamping device's that fills life.

Third, through the input interface that charges, the output interface that charges's setting, still can utilize the output interface that charges to provide wired power supply or charge, richened wireless clamping device's that fills service function, satisfy people's diversified user demand that charges better.

Fourth, the utility model discloses a wireless clamping device that fills, convenient operation during the use, the practicality is strong.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is an assembled view of a first embodiment of the present invention;

FIG. 2 is another perspective assembly view of the first embodiment of the present invention;

fig. 3 is a first exploded view of a first embodiment of the present invention;

fig. 4 is a second exploded view of a first embodiment of the present invention;

FIG. 5 is a third exploded view of the first embodiment of the present invention;

fig. 6 is a fourth exploded view of the first embodiment of the present invention;

fig. 7 is a first cross-sectional view of a first embodiment of the invention;

fig. 8 is a second cross-sectional view of a first embodiment of the invention;

fig. 9 is a third cross-sectional view of a first embodiment of the present invention;

fig. 10 is a circuit connection block diagram according to a first embodiment of the present invention;

fig. 11 is a first exploded view of a second embodiment of the present invention;

fig. 12 is a second exploded view of a second embodiment of the present invention;

fig. 13 is a diagram of a first usage state of a third embodiment of the present invention;

fig. 14 is a second usage state diagram of the third embodiment of the present invention.

The attached drawings indicate the following:

front shell 11 of outer shell 10

Opposite side concave 111 rear shell 12

Annular edge 121 rear convex heat dissipation cover portion 122

Heat dissipation hole 123 panel 13

Bracket mounting part 101 abdication transverse groove 102

Clamping part 20 transverse guide rod 21

Operation protrusion 211 pressure spring 22

Front inner frame 31 first transverse partition rib 311

Mounting recess 312 extending edge 313

Connecting hole 314 first pre-positioning hole 315

Rear inner frame 32 second transverse partition rib 321

Transverse guide groove 301 on upper side of raised line 322

Lower transverse guide groove 303 of middle positioning area 302

Wireless charging coil 41 circuit board 42

Second pre-positioning hole 1 pre-positioning column 2

Heat dissipation cavity 3 charging input interface 4

And a charging output interface 5.

Detailed Description

Fig. 1 to 14 show specific structures of various embodiments of the present invention.

First, please refer to fig. 1 to 10, which show the specific structure of the first embodiment:

a wireless charging clamping device easy to assemble and position comprises a shell 10 and clamping parts 20 exposed on the left side and the right side of the shell 10; the rear side of the housing 10 is provided with a bracket mounting part 101, wherein:

an inner frame 30 is arranged in the shell 10, the inner frame 30 comprises a front inner frame 31 and a rear inner frame 32 which are assembled front and back, the rear side surface of the front inner frame 31 is provided with an upper side transverse guide groove 301, a middle positioning area 302 and a lower side transverse guide groove 303, and the front inner frame 31 and the rear inner frame 32 are positioned in the middle positioning area 302;

at least one clamping part 20 is connected with a transverse guide rod 21 which extends into the upper transverse guide groove 301 and the lower transverse guide groove 303 respectively, an elastic element is arranged on the transverse guide rod 21, the elastic element deforms when the clamping part 20 is pulled outwards and opened, and the elastic element resets after the clamping part 20 is released so that the clamping part 20 is clamped inwards; here, the transverse guide rod 21 is sleeved with a pressure spring 22, and two ends of the pressure spring 22 respectively act on the transverse guide rod 21 and the inner frame 30, so that the pressure spring 22 is compressed when the clamping part 20 is pulled outwards and opened, and the pressure spring 22 is reset after the clamping part 20 is released, so that the clamping part 20 is clamped inwards; as shown in fig. 9, the inner end of the transverse link 21 may be riveted with a widened portion for stopping the inner end of the pressure spring 22, and the outer end of the pressure spring 22 is limited by the slip prevention position 304 of the corresponding upper transverse groove 301 or lower transverse groove 303 of the inner frame 30. Of course, a tension spring may be used.

As shown in fig. 5 to 9, it is apparent that, in the first embodiment, the left and right clamping portions 20 are provided with two transverse guide rods 21 and corresponding pressure springs 22, two upper transverse guide grooves 301 and two lower transverse guide grooves 303 are required, and the left and right clamping portions 20 are opened outwards and clamped inwards;

and, be provided with wireless charging coil 41 in the front side of preceding inner tower 31, be provided with circuit board 42 in the rear side of back inner tower 32, wireless charging coil 41 and circuit board 42 electric connection.

As shown in fig. 7 to 9, a plurality of first transverse ribs 311 are integrally formed at the rear side of the front inner frame 31, and the rear inner frame 32 is fitted to the rear end of the first transverse ribs 311 to divide the upper transverse guide 301, the middle positioning region 302 and the lower transverse guide 303 by the first transverse ribs 311; as shown in fig. 8, the rear side of the front inner frame 31 is formed in a forward concave arc shape corresponding to the upper lateral guide groove 301 and the lower lateral guide groove 303 to better match the lateral guide rod 21 and the pressure spring 22, and the front side of the front inner frame 31 is formed with a corresponding forward convex arc portion, so that the structural strength of the front inner frame 31 is ensured.

And a second transverse partition rib 321 is integrally formed at the front side of the rear inner frame 32, the second transverse partition rib 321 extends into the middle positioning area 302, two second transverse partition ribs 321 are arranged at intervals up and down, the two second transverse partition ribs 321 are limited between two adjacent first transverse partition ribs 311 of the middle positioning area 302, the front inner frame 31 and the rear inner frame 32 are positioned in the middle positioning area 302 by the mutual limitation of the first transverse partition ribs 311 and the second transverse partition ribs 321, and after the positioning, the front inner frame 31 and the rear inner frame 32 are locked with each other in the middle positioning area 302 by first screws.

As shown in fig. 4 to 6, a mounting recess 312 is integrally formed at the front side of the front inner frame 31, and the wireless charging coil 41 is fitted into the mounting recess 312. The housing 10 includes a front housing 11 and a rear housing 12 assembled in a front-rear direction, and a pair of side recesses 111 corresponding to the mounting recess 312 may be formed at a rear side of the front housing 11 for accommodating the front side of the wireless charging coil 41, and usually, the mounting recess 312 and the pair of side recesses 111 may be alternatively disposed.

As shown in fig. 4 and fig. 6 to 8, the upper and lower ends of the front inner frame 31 have extension edges 313, the extension edges 313 are provided with connection holes 314, and the front shell 11 and the rear shell 12 are locked by passing second screws through the connection holes 314. Here, the extending edge 313 is provided with a first pre-positioning hole 315; one of the front shell 11 and the rear shell 12 is provided with a second pre-positioning hole 1, and the other is provided with a pre-positioning column 2, wherein the pre-positioning column 2 passes through the first pre-positioning hole 315 and extends into the second pre-positioning hole 1. During assembly, the positioning is performed first, and then the locking is performed through a second screw.

And, the said back shell 12 has annular edge 121 and connects to the rear end of the annular edge 121 the convex heat-dissipating cover portion 122 behind; the front end of the annular edge 121 is spliced and positioned with the front shell 11, a heat dissipation cavity 3 is formed between the rear convex heat dissipation cover part 122 and the circuit board 42, and preferably, a plurality of heat dissipation holes 123 are formed in the rear convex heat dissipation cover part 122 to penetrate through the heat dissipation cavity 3 and the outside. The circuit board 42 is generally screwed to the rear side of the rear inner frame 32, and preferably, the circuit board 42 is disposed corresponding to the upper lateral guide groove 301 and the middle positioning area 302, so that on one hand, it is convenient to electrically connect the wireless charging coil 41 and the circuit board 42 by passing a wire from the upper end of the rear inner frame 32, on the other hand, the middle positioning area 302 is utilized to facilitate the locking and positioning arrangement of the circuit board 42, and the heat dissipation spaces on the two sides of the circuit board 42 are more, so that the heat dissipation is better; here, the raised rib 322 is formed on the rear side of the rear inner frame 32, so that a gap is reserved between the front side of the circuit board 42 and the rear side of the rear inner frame 32, which is beneficial to heat dissipation, and meanwhile, the negative effect of the displacement action of the transverse guide rod 21 on the circuit board 42 is small.

As shown in fig. 2, fig. 6 and fig. 10, the circuit board 42 is respectively connected to a charging input interface 4 and a charging output interface 5, the charging input interface 4 is preferably a TYPE-C interface, the charging output interface 5 is preferably a USB-a interface, and the output may be a voltage of 5V and a current of 2A; the charging input interface 4 is respectively connected with a full-bridge circuit and a voltage reduction module, is connected to the wireless charging coil 41 through the full-bridge circuit, and is connected to the charging output interface 5 through the voltage reduction module; and a wireless charging control chip is also arranged, and the wireless charging control chip can adopt an IP6809 chip. The wireless charging coil 41 is connected to the wireless charging control chip in a feedback mode, the wireless charging control chip is connected to the full-bridge circuit, and the wireless charging control chip controls the output current of the full-bridge circuit in real time according to feedback and detection conditions. Like this, possess the output interface 5 that charges on wireless clamping device that fills, can supply wired charging connection to use, richened wireless clamping device's that fills service function, satisfy people's diversified user demand that charges better.

The assembly positioning process of the cordless charging and clamping device of the first embodiment is generally described as follows:

s1, mounting the clamping operation part in the front inner frame 31:

the holding operation part including the holding part, the lateral guide bar 21 and the pressure spring 22 is put into the upper lateral guide groove 301 and the lower lateral guide groove 303 of the front inner frame 31.

S2, the rear inner frame 32 is assembled to the front inner frame 31:

the rear inner frame 32 is assembled at the rear side of the front inner frame 31 corresponding to the middle positioning area 302, and the two second transverse partition ribs 321 of the rear inner frame 32 are limited between the two adjacent first transverse partition ribs 311 of the middle positioning area 302; then, the front inner frame 31 and the rear inner frame 32 are locked to each other at the middle positioning section 302 by using first screws.

S3, assembling a wireless charging part:

wireless charging coil 41 is positioned in mounting concave position 312 at the front side of front inner frame 31, circuit board 42 is connected and locked corresponding to the rear hole position of rear inner frame 32, and then wireless charging coil 41 is electrically connected with circuit board 42.

S4, assembling the housing 10:

the front shell 11 and the rear shell 12 are respectively arranged on the front side of the wireless charging coil 41 and the rear side of the circuit board 42, the front shell 11 and the rear shell 12 are correspondingly extended to the extension edge 313, the pre-positioning column 2 penetrates through the first pre-positioning hole 315 and extends into the second pre-positioning hole 1 to form pre-positioning, and then the second screw penetrates through the connecting hole 314 to lock and fix the front shell 11 and the rear shell 12.

Usually, the second screw is locked in from the front side of the front housing 11, and a panel 13 can be covered on the front side of the front housing 11 to cover the lock position, and the panel 13 also has a decorative effect.

Referring to fig. 11 to 12, specific structures of a second embodiment are shown; the second embodiment has the same main structure as the first embodiment, and the main difference is that:

in the second embodiment, only one of the clamping portions 20 can be opened and clamped inwardly, i.e. the other clamping portion 20 is not laterally displaceable relative to the inner frame 30 or finger relative to the outer housing 10. Here, the clamping portion 20 is integrally connected to the front case 11.

Referring to fig. 13 to 14, specific structures of a third embodiment are shown, and the main structure of the third embodiment is the same as that of the second embodiment, and the main differences are as follows:

an abdicating transverse groove 102 is formed in the rear side of the shell 10, and the transverse guide rod 21 is connected with an operation convex part 211 extending out of the abdicating transverse groove 102; the toggle operation protrusion 211 is outwardly displaced along the abdicating transverse groove 102 so that the clamping part 20 connected with the transverse guide 21 is outwardly opened. During specific operation, the thumb of a single hand can act on the bracket mounting part 101 and the other fingers can poke the operation convex part 211, so that the operation is simple and convenient; and the other hand can hold the mobile phone at the same time, so that the risk of falling the mobile phone is avoided.

And, what should be noted are: the clamping portion 20 can be designed in various ways, for example: 1. the clamping part is fixed; 2. the clamping part is of a rotatable elastic structure, and can be turned outwards relative to the transverse guide rod 21 by utilizing the elastic deformation of the torsion spring, so that products such as mobile phones and the like can be conveniently loaded and taken out, and mobile phones with different shapes can be better clamped and matched; 3. the clamping part is of a rotatable roller structure, generally, the clamping part takes the longitudinal direction as the rotating axial direction, and similarly, the clamping part is smoother when products such as mobile phones and the like are loaded or taken out by virtue of the rolling surface of the clamping part; 4. the clamping part also can be 90 degrees convertible structures, and it switches under two kinds of states usually, and the clamping part is perpendicular with horizontal guide bar 21 when needing to use, and when not using, can fold up the clamping part, promptly: the clamping portion is turned inward by 90 degrees to be stacked above the transverse guide rod 21. Of course, the design of the clamping portion is not limited to the four aforementioned cases. And, considering the centre gripping steadiness and avoiding causing the surface to press from both sides and hinder to products such as cell-phone, can set up soft spare such as rubber, silica gel, sponge at the effect face of clamping part.

The utility model is mainly characterized in that the structure of the whole wireless charging clamping device becomes simple and reasonable through the arrangement of the inner frame, the transverse guide rod, the pressure spring, the wireless charging coil and the circuit board, the assembly and the positioning are convenient and fast, the production efficiency is improved, and meanwhile, the whole volume of the bracket is favorably reduced, and the portability of the bracket is improved; the components of the clamping action part on the bracket are isolated and positioned, so that the clamping action part, the wireless charging coil and the circuit board are effectively protected, and the reliability of the long-time service performance of the bracket is ensured; the utility model discloses a wireless clamping device that fills compromises many-sided factors such as manufacturing cost, application scope, is suitable for batch production and popularization and application. Secondly, the heat dissipation performance of the wireless charging clamping device is good, the negative effects of heat accumulation on the circuit board and the wireless charging coil are reduced, the charging performance is favorably ensured, and the service life of the wireless charging clamping device is prolonged; and through the setting of charging input interface, the output interface that charges, still can utilize the output interface that charges to provide wired power supply or charge, richened wireless clamping device's that fills service function, satisfy people's diversified user demand that charges better.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides an easily assemble wireless clamping device that fills of location which characterized in that: comprises a shell (10) and clamping parts (20) exposed on the left side and the right side of the shell (10); wherein:

the shell (10) comprises a front shell (11) and a rear shell (12) which are assembled front and rear, an inner frame (30) is arranged in the shell (10), the inner frame (30) comprises a front inner frame (31) and a rear inner frame (32) which are assembled front and rear, and the rear side surface of the front inner frame (31) is provided with an upper transverse guide groove (301), a middle positioning area (302) and a lower transverse guide groove (303); a wireless charging coil (41) is arranged on the front side of the front inner frame (31), an installation concave position (312) is arranged on the front side surface of the front inner frame (31) and/or the rear side surface of the front shell (11), and the wireless charging coil (41) is adapted to the installation concave position (312);

the front inner frame (31) and the rear inner frame (32) are positioned with each other in the middle positioning area (302);

at least one clamping part (20) is connected with a transverse guide rod (21) and extends into the upper transverse guide groove (301) and the lower transverse guide groove (303) respectively, an elastic element is arranged on the transverse guide rod (21), the elastic element deforms when the clamping part (20) is pulled outwards and opened, and the elastic element resets after the clamping part (20) is released so that the clamping part (20) is clamped inwards;

and a circuit board (42) is arranged on the rear side of the rear inner frame (32), and the wireless charging coil (41) is electrically connected with the circuit board (42).

2. An easily assembled and positioned cordless charging and clamping device according to claim 1, wherein: a plurality of first transverse partition ribs (311) which are arranged at intervals up and down are integrally formed at the rear side of the front inner frame (31), and the rear inner frame (32) is matched with the rear ends of the first transverse partition ribs (311) so as to divide the upper transverse guide groove (301), the middle positioning area (302) and the lower transverse guide groove (303) by the first transverse partition ribs (311); and a second transverse partition rib (321) is integrally formed at the front side of the rear inner frame (32), and the second transverse partition rib (321) extends into the middle positioning area (302).

3. An easily assembled and positioned cordless charging and clamping device according to claim 2, wherein: the front inner frame (31) and the rear inner frame (32) are locked with each other in the middle positioning area (302) through first screws.

4. An easily assembled and positioned cordless charging and clamping device according to claim 1, wherein: the clamping part (20) is fixed;

or the clamping part (20) is of a rotatable elastic structure, and the clamping part (20) is turned outwards relative to the transverse guide rod (21) by arranging a torsion spring;

or the clamping part (20) is a rotatable roller structure;

or the clamping part (20) is of a 90-degree turnover structure, the clamping part (20) is perpendicular to the transverse guide rod (21) when the clamping part is used, and the clamping part (20) is turned inwards by 90 degrees to be overlapped above the transverse guide rod (21) when the clamping part is not used.

5. An easily assembled and positioned cordless charging and clamping device according to claim 1, wherein: the upper end and the lower end of the front inner frame (31) are provided with extension edges (313), the extension edges (313) are provided with connecting holes (314), and the front shell (11) and the rear shell (12) penetrate through the connecting holes (314) through second screws to form locking.

6. An easily assembled and positioned cordless charging and clamping device according to claim 5, wherein: a first pre-positioning hole (315) is formed in the extending edge (313); one of the front shell (11) and the rear shell (12) is provided with a second pre-positioning hole (1), the other one is provided with a pre-positioning column (2), and the pre-positioning column (2) penetrates through the first pre-positioning hole (315) and extends into the second pre-positioning hole (1).

7. An easily assembled and positioned cordless charging and clamping device according to claim 1, wherein: the rear shell (12) is provided with an annular edge (121) and a rear convex heat dissipation cover part (122) connected to the rear end of the annular edge (121); the front end of the annular edge (121) is spliced and positioned with the front shell (11), and a heat dissipation cavity (3) is formed between the rear convex heat dissipation cover part (122) and the circuit board (42).

8. An easily assembled and positioned cordless charging and clamping device according to claim 7, wherein: the rear convex heat dissipation cover part (122) is provided with a plurality of heat dissipation holes (123) to penetrate through the heat dissipation cavity (3) and the outside.

9. An easily assembled and positioned cordless charging and clamping device according to claim 1, wherein: a bracket mounting part (101) is convexly arranged on the rear side of the shell (10), an abdicating transverse groove (102) is formed in the rear side of the shell (10), and the transverse guide rod (21) is connected with an operation convex part (211) extending out of the abdicating transverse groove (102); the toggle operation convex part (211) moves outwards along the abdicating transverse groove (102) so that the clamping part (20) connected with the transverse guide rod (21) is opened outwards.

10. An easily assembled and positioned cordless charging and clamping device according to claim 1, wherein: the circuit board (42) is respectively connected with a charging input interface (4) and a charging output interface (5); the charging input interface (4) is respectively connected with a full-bridge circuit and a voltage reduction module, is connected to the wireless charging coil (41) through the full-bridge circuit, and is connected to the charging output interface (5) through the voltage reduction module; the wireless charging control circuit is characterized in that a wireless charging control chip is further arranged, the wireless charging coil (41) is connected to the wireless charging control chip in a feedback mode, and the wireless charging control chip is connected to the full-bridge circuit.