CN213126529U - Heating energy supply device - Google Patents

Abstract

The utility model discloses wireless energy supply equipment technical field specifically is a heating energy supply device, including power supply seat and support, be equipped with the heating power supply module in the power supply seat, the power supply seat passes through rotary mechanism and is connected with the leg joint, makes the power supply seat can keep arbitrary inclination in the relative support of predetermined rotation within range, and rotary mechanism includes the damping pivot, and the damping pivot provides the damping when the relative leg joint of power supply seat rotates. The utility model provides a heating energy supply device adopts the damping pivot to connect power supply seat and support, need not to set up the vaulting pole among the prior art and also enables the power supply seat and keep current inclination, and this kind sets up mode simple structure, and convenient to use can improve heating energy supply device's wholeness.

Description

Heating energy supply device

Technical Field

The utility model discloses wireless energy supply equipment technical field specifically is a heating energy supply device.

Background

The heating energy supply devices such as the electric heating cup mat on the market at present can be used for charging mobile terminals such as mobile phones besides heating a liquid container, the container or the mobile terminal is placed on the heating energy supply device to realize heating or wireless charging, when the container or the mobile terminal is separated from the heating energy supply device, the heating or the charging can be stopped, the energy supply mode is convenient, but the existing heating energy supply device is horizontally placed, the mobile terminal can only be horizontally placed when being charged, and under the condition that the visual angle of a screen of the mobile terminal is limited, a user cannot easily use the heating energy supply device during the charging process, so that the heating energy supply device capable of adjusting the placement angle of equipment is released on the market at present, and the heating energy supply device is respectively suitable for charging the mobile terminal and heating equipment such as an electric heating cup.

For example, chinese patent ZL201821891002.4 discloses multi-functional wireless charging, it has power supply seat and support, power supply seat and support rotatable coupling, the user can rotate the power supply seat according to actual demand to and be certain contained angle between the support to make the power supply seat keep current inclination through the vaulting pole, thereby supply the user to use mobile terminal on one side of charging, but this kind relies on the vaulting pole to keep the mode of power supply seat inclination unstable, and the structure is simple relatively moreover, and the product wholeness is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a simple structure stabilizes, the strong heating energy supply device of wholeness.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a heating energy supply device, includes power supply seat and support, is equipped with heating power supply module in the power supply seat, and the power supply seat passes through rotary mechanism and is connected with the support rotation, makes the power supply seat can keep arbitrary inclination at the relative support of predetermined rotation within range, and rotary mechanism includes the damping pivot, and the damping pivot provides the damping when the relative support of power supply seat rotates.

Compared with the prior art, the utility model provides a heating energy supply device adopts the damping pivot to connect power supply seat and support, because the stopper is pressed from both sides tightly by the clamp structure, the user need apply sufficient effort to the power supply seat, just can overcome the frictional force between the clamp structure and the stopper, order about the power supply seat and rotate, consequently need not to set up the vaulting pole among the prior art and also enable the power supply seat and keep current inclination, this kind of set up mode simple structure, high durability and convenient use, can improve heating energy supply device's wholeness, make heating energy supply device outward appearance seem more succinct, can be used to charging mobile terminal such as cell-phone when the relative support slope of power supply seat sets up, when the power supply seat rotates to placing with the support level, not only can be used to charge mobile terminal such as cell-phone, still can.

Furthermore, the support can rotate relative to the power supply seat through the rotating mechanism so that the support has a folded state and an opened state relative to the power supply seat, the power supply seat can be horizontally placed on the mobile terminal or can be used for placing and heating the liquid container in the folded state, the support and the power supply seat can vertically support the mobile terminal in the opened state, the mobile terminal can be charged in the folded state, the liquid container such as a cup can be heated, the heating mode is convenient and quick to operate, the liquid can be heated only by horizontally placing the liquid container on the power supply seat, the universality is strong, the liquid heating device is suitable for heating most containers, a user can select the container to be heated according to needs without purchasing the container with a heating element and limiting to only using the container to heat the liquid, however, in the opened state, the user can adjust the angle between the power supply seat and the support according, thereby adjusting the angle of the mobile terminal for use.

Furthermore, the middle part of the support is provided with an outwards convex hinging part, the middle part of the power supply seat is provided with a hinging groove corresponding to the hinging part, the hinging part is arranged in the hinging groove and is connected with the power supply seat, and the stability of the heating energy supply device can be further improved by the connection mode of the support and the power supply seat at the middle part.

Furthermore, the limiting part is arranged on the outer side of the hinge portion, the limiting part comprises a supporting portion and a limiting convex portion, the supporting portion is connected with one end of the hinge portion, the limiting convex portion is connected to one end, far away from the hinge portion, of the supporting portion, the supporting portion is bent towards the direction of the central line of the hinge portion so that the limiting part forms an arc-shaped limiting structure, after the support is opened, the supporting portion is used for supporting the mobile terminal, the limiting convex portion can abut against the mobile terminal to enable the mobile terminal to be limited on the supporting portion, the arrangement mode of the arc-shaped limiting structure can increase the supporting area of.

Furthermore, the damping pivot includes the pivot main part with the support relatively fixed connection, locate the tight structure of clamp in the pivot main part, press from both sides tightly and can be controlled by pressing from both sides tight structure and revolute pivot main part pivoted retainer, retainer and power supply seat relatively fixed connection, above-mentioned damping pivot simple structure, the damping is effectual, can keep the inclination between charging seat and the support effectively.

Furthermore, the clamping structure comprises a limiting step arranged on the rotating shaft main body, a nut in threaded connection with one end of the rotating shaft main body and a gasket arranged between the nut and the limiting step, the stop piece is clamped between the gasket and the limiting step, the gasket is pressed tightly under the locking action of the nut, the friction force between the stop piece and the clamping structure can be adjusted by rotating the nut, the tightness degree of the stop piece can be adjusted flexibly according to the thicknesses of the gasket and the stop piece in the setting mode, and production and manufacturing are facilitated.

Further, rotary mechanism still includes the articulated shaft, and damping pivot and articulated shaft are connected respectively in the relative both ends of articulated portion, the one end and the articulated portion relative fixed connection of articulated shaft, and the other end is articulated with the power supply seat, realizes jointly through setting up damping pivot and articulated shaft that the rotation between power supply seat and the support is connected, can improve the steadiness of power supply seat installation, makes it be difficult for rocking when rotating, and the structure is more reliable.

Furthermore, one end of the rotating shaft main body, which is connected with the hinge portion, is set to be a square structure, the hinge portion is provided with a square hole, which is connected with the rotating shaft main body, corresponding to the square structure, and the setting mode of the relative fixed connection between the rotating shaft main body and the hinge portion is simple in structure and easy to realize.

Further, the articulated shaft includes spacing shaft segment and rotation pivot, and articulated portion is equipped with the spacing groove of being connected with spacing shaft segment, and spacing shaft segment inserts the spacing inslot relatively fixedly, realizes the relative fixed connection of articulated shaft and articulated portion, rotates shaft segment and power supply seat rotatable coupling, and the cross section of above-mentioned spacing shaft segment sets up to non-circular structure to guarantee that the articulated shaft can not rotate relatively between articulated shaft and the articulated portion.

Furthermore, the hinge part is a hinge sleeve protruding out of the support, the hinge part is arranged in the hinge groove and connected with the power supply seat, and the support and the power supply seat are connected in a simple structure, convenient to assemble and tight in structural connection.

Further, articulated groove sets up the tip at the power supply seat, sets up the groove of accomodating with support looks adaptation on the side of power supply seat, and the support can be controlled ground and rotate to accomodating the inslot and convert fold condition into with following the open mode, and above-mentioned setting can make heating energy supply device structure compacter, have more the wholeness, and is more pleasing to the eye, and the heating energy supply device volume after accomodating the support is littleer.

Further, the power supply seat includes epitheca and inferior valve, and epitheca and inferior valve enclose to close and are formed with first shaft hole and the second shaft hole that is located the relative both sides of power supply seat, and first shaft hole is used for rotating with the pivot main part to be connected, and the second shaft hole is used for rotating with the articulated shaft to be connected, and the power supply seat is arranged in to the stopper, stopper and inferior valve relatively fixed connection. The power supply seat is arranged in a split mode, so that the rotating mechanism is convenient to assemble, and the stop piece is arranged in the power supply seat, so that the heating and energy supplying device is more compact in structure.

Further, the inferior valve in-connection has the baffle that is located the stopper and is close to epitheca one side, form the screens between the internal surface of baffle and inferior valve, the stopper card is gone into in the screens, during the assembly, connect articulated portion and articulated shaft earlier, and arrange articulated portion in the articulated inslot, make the articulated shaft place on the position that the inferior valve corresponds the second shaft hole, arrange the damping pivot in the one side that is located the screens in the inferior valve afterwards, promote the damping pivot and make its position and articulated portion that correspond first shaft hole through the inferior valve be connected, make the stopper card go into the screens, thereby cover epitheca and inferior valve at last and accomplish the assembly.

Drawings

FIG. 1 is a schematic view of a heating and energy supplying device with an opened bracket;

FIG. 2 is a schematic structural view of a folded bracket of the heating and energy supplying device;

FIG. 3 is a schematic structural view of a control plate and a damping spindle;

FIG. 4 is a schematic structural view of a control plate and a damping spindle;

FIG. 5 is an exploded view of the heating and power supply apparatus;

FIG. 6 is a schematic structural view of a stent;

FIG. 7 is a schematic structural view of a damping spindle;

FIG. 8 is a schematic structural view of a stent;

fig. 9 is a schematic structural view of a hinge shaft;

fig. 10 is a structural schematic view of the lower case;

FIG. 11 is a schematic structural view of the upper case;

fig. 12 and 13 are schematic structural views of the receiving groove.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings. In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Referring to fig. 1 to 5, the present embodiment provides a heating and energy supplying device, including power supply base 1 and support 2, a heating power supply module (41,42) is provided in power supply base 1, heating power supply module (41,42) includes electromagnetic coil 41 and control panel 42, electromagnetic coil 41 is provided in the middle of power supply base 1, power supply base 1 is surrounded by a convex rib 19 surrounding electromagnetic coil 41, control panel 42 is connected with interface 421 extending to the surface of power supply base 1, assembly opening 18 for interface 421 extending to its surface is provided on the side of power supply base 1, equipment on power supply base 1 can be supplied with power through heating power supply module (41,42), support 2 is rotatably connected with power supply base 1 through rotating mechanism (31,32), so that power supply base 1 can keep any inclination angle relative to support 2 within a preset rotating range.

Referring to fig. 1 to 3, the stand 2 can rotate relative to the power supply base 1 through the rotating mechanism (31,32) to make the stand 2 have a folded state and an opened state relative to the power supply base 1, in the folded state, the power supply base 1 can be laid flat with the mobile terminal or placed and heated a liquid container, in the opened state, the stand 2 and the power supply base 1 can vertically support the mobile terminal, in the folded state, not only the mobile terminal can be charged, but also the liquid container such as a cup can be heated, the heating mode is convenient and quick to operate, only the liquid container is laid flat on the power supply base 1 to heat the liquid, the universality is strong, the stand is suitable for heating most containers, a user can select the container to be heated according to needs without purchasing a container with a heating element and limiting to only using the container to heat the liquid, however, in the opened state, the user can adjust the angle between the power supply base 1 and the, thereby adjusting the angle of the mobile terminal for use.

Referring to fig. 3 to 7, the middle portion of the support 2 is provided with a hinge portion 21 protruding outward for connecting with the power supply stand 1, the middle portion of the power supply stand 1 is provided with a hinge groove 11 corresponding to the hinge portion 21, the hinge portion 21 is disposed in the hinge groove 11 and connected with the power supply stand 1, the rotating mechanism (31,32) comprises a damping rotating shaft 31 and a hinge shaft 32 disposed at opposite ends of the hinge portion 21, the damping rotating shaft 31 provides damping when the power supply stand 1 rotates relative to the support 2, the damping rotating shaft comprises a rotating shaft main body 311 fixedly connected with one end of the hinge portion 21, a clamping structure (312,313,314) disposed on the rotating shaft main body 311, a stopping member 315 clamped by the clamping structure (312,313,314) and being operable to rotate around the rotating shaft main body 311, the stopping member 315 is fixedly connected with the power supply stand 1, as a specific connection mode of the rotating shaft main body 311 and the hinge portion 21, the hinge portion 21 is provided with a square hole 211 corresponding to the square structure and connected with the rotating shaft main body 311, and the arrangement mode of the relative fixed connection between the rotating shaft main body 311 and the hinge portion 21 is simple in structure and easy to realize.

Referring to fig. 7, the clamping structure (312,313,314) includes a limit step 312 disposed on the main body 311 of the rotation shaft, a nut 313, and a washer 314 disposed between the nut 313 and the limit step 312, the nut is screwed to one end of the main body 311 of the rotation shaft opposite to the hinge portion 21, a stop 315 is clamped between the washer 314 and the limit step 312, the washer 314 presses the stop 315 under the locking action of the nut 313, the friction between the stop 315 and the clamping structure (312,313,314) can be adjusted by rotating the nut 313, the arrangement can flexibly adjust the tightness degree of the stop 315 according to the thickness of the washer 314 and the stop 315, and the production and manufacture are facilitated.

Referring to fig. 3, 5, 8 and 9, one end of the hinge shaft 32 is connected to one end of the hinge portion 21 opposite to the damping rotation shaft 31, the other end of the hinge shaft 32 is hinged to the power supply base 1, and the damping rotation shaft 31 and the hinge shaft 32 are arranged to jointly realize the rotation connection between the power supply base 1 and the support 2, so that the installation stability of the power supply base 1 can be improved, the power supply base is not easy to shake during rotation, and the structure is more reliable.

Referring to fig. 3, 5, 8 and 9, as a specific arrangement manner of the hinge shaft 32, the hinge shaft 32 includes an integral limiting shaft section 321 and a rotating shaft section 322, the hinge portion 21 is provided with a limiting groove 212 connected with the limiting shaft section 321, the limiting shaft section 321 is relatively fixedly inserted into the limiting groove 212 to realize the relatively fixed connection of the hinge shaft 32 and the hinge portion 21, the rotating shaft section 322 is rotatably connected with the power supply base 1, and the cross section of the limiting shaft section 321 is configured to be a non-circular structure, so as to ensure that the hinge shaft 32 and the hinge portion 21 cannot relatively rotate.

Referring to fig. 5, as a specific embodiment, the hinge portion 21 is a hinge sleeve protruding from the middle of the bracket 2, the hinge sleeve is disposed in the hinge groove 11 and connected to the power supply base 1, and the connection mode between the bracket 2 and the power supply base 1 is simple in structure, convenient to assemble and tight in structural connection.

Referring to fig. 3 and 4, the damping rotation shaft 31 and the control plate 42 are respectively disposed on two opposite sides of the power supply socket 1, that is, the control plate 42 is disposed on one side of the power supply socket 1 close to the hinge shaft 32, and the above arrangement makes the weights of the two opposite sides of the power supply socket 1 relatively balanced, thereby improving the stability of the heating and power supplying device when the bracket 2 is placed in an open state.

The present embodiment provides the following two arrangements of the hinge grooves 11.

Referring to fig. 1 to 5, 12 and 13, as a first arrangement manner of the hinge slot 11, the hinge slot 11 is opened at an end of the power supply base 1, a receiving slot 12 adapted to the support frame 2 is opened on one side surface of the power supply base 1, and the support frame 2 can be operated to rotate to be received in the receiving slot 12 to be converted from an open state to a folded state; above-mentioned setting can make heating energy supply device structure compacter, have more the wholeness, and is more pleasing to the eye, and the heating energy supply device volume behind the storage support 2 is littleer.

Referring to fig. 3, the accommodating groove 12 extends towards the inside of the power supply base 1 to form a boss 121 protruding from the inner surface of the power supply base 1, and the control board 42 is fittingly installed at the side of the boss 121, so that the heating and power supplying device has a more compact structure, more integrity and more beautiful appearance, the volume of the heating and power supplying device after the support 2 is accommodated is smaller, and meanwhile, the matching manner of the matching between the boss 121 formed by the accommodating groove 12 and the control board 42 is tight, and the control board 42 is more stably installed.

As a second arrangement manner of the hinge groove (not shown in this arrangement manner), two hinge lugs are oppositely arranged on the side portion of the power supply seat, the hinge groove is formed between the two hinge lugs, and the support can be rotated to abut against one side of the power supply seat in an operation manner so as to be converted from an open state to a folded state.

Referring to fig. 3, 5, 10 and 11, as a specific embodiment, the power supply base 1 includes an upper casing 13 and a lower casing 14, the upper casing 13 and the lower casing 14 are respectively provided with a notch 10, the notch 10 enables the upper casing 13 and the lower casing 14 to form a first shaft hole 15 and a second shaft hole 16 located at two opposite sides of the hinge groove 11 after being enclosed, the first shaft hole 15 is used for being rotatably connected with the rotating shaft main body 311, the second shaft hole 16 is used for being rotatably connected with the hinge shaft 32, the rotating shaft main body 311 extends into the power supply base 1 through the first shaft hole 15 relative to the end connected with the hinge portion 21, the stopper 315 is disposed in the power supply base 1, and the stopper 315 is relatively fixedly connected with the lower casing 14, the power supply base 1 is separately disposed in a manner that facilitates assembly of the rotating mechanisms (31,32), and the stopper 315 is disposed in the power supply base 1 so that the.

Referring to fig. 3, 5, 7 and 10, as a specific embodiment, a baffle 171 is connected to the lower case 14 on the side of the stop 315 close to the upper case 13, a detent 17 is formed between the baffle 171 and the inner surface of the lower case 14, and the stop 315 is snapped into the detent 17, the power supply base 1 is separately provided to facilitate the assembly of the rotating mechanisms (31,32), and the stop 315 is provided in the power supply base 1 to make the structure of the heating and power supplying device more compact. In assembling, the hinge portion 21 and the hinge shaft 32 are connected, the hinge portion 21 is placed in the hinge groove 11, the hinge shaft 32 is placed at a position of the lower case 14 corresponding to the second axial hole 16, the damping rotation shaft 31 is then placed at a side of the detent 17 in the lower case 14, the damping rotation shaft 31 is pushed to be connected to the hinge portion 21 through a position of the lower case 14 corresponding to the first axial hole 15, the stopper 315 is snapped into the detent 17, and finally the upper case 13 and the lower case 14 are covered to complete the assembling. As a modification, the inner surface of the lower case 14 is provided with support ribs 151 for supporting the damping rotating shaft 31 at positions corresponding to the first shaft holes 15.

Referring to fig. 1 and 8, the limiting member 22 is disposed outside the hinge portion 21, the limiting member 22 includes a supporting portion 221 and a limiting protrusion 222, the supporting portion 221 is connected to one end of the hinge portion 21, the limiting protrusion 222 is connected to one end of the supporting portion 221 away from the hinge portion 21, the supporting portion 221 is bent toward a center line of the hinge portion 21 so that the limiting member 22 forms an arc-shaped limiting structure, when the stand 2 is opened, the supporting portion 221 is used for bearing the mobile terminal, the limiting protrusion 222 can abut against the mobile terminal to limit the mobile terminal on the supporting portion 221, and the arc-shaped limiting structure is disposed in a manner that a bearing area of the supporting portion 221 can be increased, so as to better support the.

The utility model provides a heating energy supply device adopts damping pivot 31 to connect power supply seat 1 and support 2, because stopper 315 is pressed from both sides tightly by the clamp structure (312,313,314), the user need apply sufficient effort to power supply seat 1, just can overcome the frictional force between clamp structure (312,313,314) and the stopper 315, order about power supply seat 1 and rotate, consequently need not to set up the vaulting pole among the prior art and also can make power supply seat 1 keep current inclination, this kind of setting mode simple structure, high durability and convenient use, can improve heating energy supply device's wholeness, make heating energy supply device outward appearance more succinct, power supply seat 1 can be used to charging mobile terminal such as cell-phone when relative support 2 slope sets up, when power supply seat 1 rotates to placing with support 2 level, not only can be used to charging mobile terminal such as cell-phone, still can heat the liquid container.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (13)

1. Heating energy supply device, its characterized in that, including power supply seat and support, be equipped with heating power supply module in the power supply seat, the power supply seat pass through rotary mechanism with the leg joint is rotated, makes the power supply seat can be relative in predetermined rotation range the support keeps arbitrary inclination, rotary mechanism includes the damping pivot, the damping pivot is in the power supply seat is relative provide the damping during leg joint.

2. The heating and power supplying device of claim 1, wherein the stand is rotatable with respect to the power supplying base by a rotating mechanism so that the stand has a folded state in which the power supplying base can lay the mobile terminal flat or place and heat the liquid container, and an opened state in which the stand and the power supplying base can support the mobile terminal upright.

3. The heating and energy supplying device of claim 1, wherein the middle part of the support is provided with a hinge part protruding outwards, the middle part of the power supply base is provided with a hinge groove corresponding to the hinge part, and the hinge part is arranged in the hinge groove and connected with the power supply base.

4. The heating and energy supplying device according to claim 3, wherein a limiting member is disposed on an outer side of the hinge portion, the limiting member includes a supporting portion and a limiting protrusion, the supporting portion is connected to one end of the hinge portion, the limiting protrusion is connected to one end of the supporting portion away from the hinge portion, and the supporting portion is bent toward a center line of the hinge portion to form the limiting member into an arc-shaped limiting structure.

5. The heating and energy supplying device of claim 1, wherein the damping spindle comprises a spindle body fixedly connected to the bracket, a clamping structure disposed on the spindle body, and a stop member clamped by the clamping structure and operatively rotatable around the spindle body, and the stop member is fixedly connected to the power supply socket.

6. The heating energy supply device according to claim 5, wherein the clamping structure comprises a limit step arranged on the main body of the rotating shaft, a nut screwed at one end of the main body of the rotating shaft, and a gasket arranged between the nut and the limit step, the stop piece is clamped between the gasket and the limit step, and the gasket is pressed against the stop piece under the locking action of the nut.

7. The heating and energy supplying device according to claim 5, wherein the end of the rotating shaft body connected with the bracket is provided with a square structure, and the bracket is provided with a square hole connected with the rotating shaft body corresponding to the square structure.

8. The heating and energy supplying device according to claim 5, wherein the rotating mechanism further comprises an articulated shaft, the damping rotating shaft and the articulated shaft are respectively connected to two opposite ends of the support, the power supply seat comprises an upper shell and a lower shell, a first shaft hole and a second shaft hole are formed in the upper shell and the lower shell in a surrounding manner, the first shaft hole is located on two opposite sides of the power supply seat, the first shaft hole is used for being rotatably connected with the rotating shaft main body, the second shaft hole is used for being rotatably connected with the articulated shaft, the stopping piece is arranged in the power supply seat, and the stopping piece is fixedly connected with the lower shell.

9. The heating energy supply device according to claim 8, wherein a baffle plate is connected to the lower case at a side of the stopper close to the upper case, a detent is formed between the baffle plate and the inner surface of the lower case, and the stopper is locked in the detent.

10. The heating and energy supplying device of claim 3, wherein the rotating mechanism further comprises a hinge shaft, the damping rotating shaft and the hinge shaft are respectively connected to two opposite ends of the hinge portion, one end of the hinge shaft is fixedly connected with the hinge portion, and the other end of the hinge shaft is hinged with the power supply seat.

11. The heating and energy supplying device of claim 10, wherein the hinge shaft comprises a limiting shaft section and a rotating shaft section, the hinge part is provided with a limiting groove connected with the limiting shaft section, the limiting shaft section is relatively fixedly inserted into the limiting groove, and the rotating shaft section is rotatably connected with the power supply base.

12. The heating and power supply device of claim 3, wherein the hinge portion is a hinge sleeve protruding from the bracket, and the hinge sleeve is disposed in the hinge slot and connected to the power supply socket.

13. The heating and energy supplying device according to claim 3, wherein the hinge slot is opened at an end of the power supply base, a receiving slot adapted to the bracket is opened on one side of the power supply base, and the bracket can be controlled to rotate to be received in the receiving slot to convert from an open state to a folded state;

or, two hinge lugs are oppositely arranged on the side part of the power supply seat, the hinge groove is formed between the two hinge lugs, and the support can be controlled to rotate to abut against one side of the power supply seat so as to be converted from the opening state to the folding state.

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