CN221181644U - Power device and power mechanism of inflatable toy - Google Patents

Abstract

The utility model provides a power device, which comprises a shell, a moving assembly and a fan assembly, wherein the moving assembly and the fan assembly are arranged on the shell, a roller cavity is formed by bulge of the middle part of the shell, a first opening is formed in the ground facing side of the roller cavity, and a first mounting table and a second mounting table are arranged on the two sides of the roller cavity on the back side of the shell; the moving assembly is connected to the shell corresponding to the roller cavity and comprises a first motor, a driving wheel and a gear set, wherein the driving wheel is rotationally connected in the roller cavity, and the gear set is in transmission connection between the first motor and the driving wheel; the fan assembly is connected to the first mounting table or the second mounting table. The utility model also provides a power mechanism of the inflatable toy. The power device and the power mechanism of the inflatable toy provided by the utility model have the advantage of compact structure, and can reduce space occupation.

Description

Power device and power mechanism of inflatable toy

Technical Field

The utility model relates to the technical field of toys, in particular to a power device and a power mechanism of an inflatable toy.

Background

Compared with other toys, the inflatable toy has the characteristics of small occupied space in a non-inflatable state, is convenient to transport, is soft in texture and light in weight, is more suitable for children to play, combines an inflatable doll and a power source, gives the doll a moving attribute, improves the interactivity of the doll and the children, and enables the doll to have higher market value. For example, chinese patent CN216169905U provides a mobile doll, which is convenient to use by mounting a doll body on a mounting plate, and by providing a moving device on the mounting plate to make the mounting plate have a moving function, and also by providing a fan on the mounting plate to make the mounting plate directly inflate the doll body. However, the structural arrangement of the mounting plate is not compact enough, which is disadvantageous in terms of space occupation reduction.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art, provides a power device and a power mechanism of an inflatable toy, and solves the problems that the structure arrangement is not compact enough and the occupied space is not easy to reduce in the related prior art.

In order to achieve the above-mentioned purpose, the present utility model provides a power device, including a housing, a moving assembly and a fan assembly mounted on the housing, wherein the middle portion of the housing bulges to form a roller cavity, a first opening is formed on the ground facing side of the roller cavity, and a first mounting table and a second mounting table are arranged on two sides of the roller cavity on the back side of the housing; the moving assembly is connected to the shell corresponding to the roller cavity and comprises a first motor, a driving wheel and a gear set, wherein the driving wheel is rotationally connected in the roller cavity, and the gear set is in transmission connection between the first motor and the driving wheel; the fan assembly is connected to the first mounting table or the second mounting table.

Preferably, the housing comprises a first plate and a second plate connected at an obtuse angle, the junction between the first plate and the second plate is raised to form the roller cavity, the first plate is further provided with a first mounting station on a side wall corresponding to the roller cavity, the first mounting station is connected with the moving assembly, and the second plate is provided with a second mounting table adjacent to the roller cavity.

As the preferred scheme, the inside of first mount table forms first cavity, a plurality of bleeder vents have been seted up towards the ground side to first cavity, a through-hole has been seted up to the back of the body side of first cavity, the back of the body side of first cavity still is provided with a first installation department and a second installation department, first installation department with fan subassembly detachably connects, second installation department is connected with outside control assembly detachably.

As a preferable scheme, a second cavity is formed in the second mounting table, a plurality of ventilation holes are formed in the second cavity towards the ground, a through hole is formed in the back ground side of the second cavity, and a first mounting part is further arranged on the back ground side of the first cavity.

Preferably, the inner walls of the first cavity and the second cavity are respectively provided with a third installation part along the outline of the through hole, the third installation parts are detachably connected with a cover plate, and the shape of the cover plate is matched with the shape of the through hole.

Preferably, the ground side of the shell is provided with a driven wheel in a rotating way on two sides of the roller cavity, and each driven wheel is located at the end part far away from the driving wheel.

As a preferred scheme, the movable assembly further comprises a first mounting seat detachably connected to the first mounting station, the first motor and the gear set are connected to the first mounting seat, a notch is formed in the first mounting seat, a second opening is formed in the position, corresponding to the notch, of the roller cavity, and a part of the gear set is connected between the notch and the second opening in a rotating mode.

As a preferred scheme, the fan assembly comprises a second mounting seat detachably connected to the first mounting portion, a second motor fixed in the second mounting seat and an impeller rotationally connected to the second mounting seat, an air inlet and an air outlet are formed in the second mounting seat, the air inlet is connected with the through hole, and the air outlet is correspondingly arranged in the air flow direction formed by rotation of the impeller.

Preferably, the two side walls of the shell corresponding to the roller cavities are respectively provided with a second installation station, and the second installation stations are detachably connected with the external connecting rod.

A power mechanism of an inflatable toy, comprising two power devices, a connecting rod connected between the two power devices, and a control assembly arranged on any one of the power devices, wherein the connecting rod comprises a first rod body and a second rod body which are respectively fixed with one of the power devices, and the second rod body is movably connected in the first rod body; the control assembly comprises a third mounting seat connected to any power device, a battery accommodated in the third mounting seat and a control circuit board electrically connected with the battery, wherein the control circuit board is used for controlling the start and stop of the moving assembly and the fan assembly in the power device.

Therefore, according to the technical means of the present utility model, the following brief description of the efficacy can be obtained by the present utility model: the power device provided by the utility model has the advantages that the middle part of the shell is bulged to form the roller cavity, and meanwhile, the shell is provided with the first mounting table and the second mounting table at two sides of the roller cavity, so that the driving wheel of the moving assembly is limited to be rotationally connected in the roller cavity, other components of the moving assembly are fixed on the shell corresponding to the roller cavity, and the fan assembly is selectively mounted on the first mounting table or the second mounting table. Compared with the prior art, the power device provided by the utility model has the advantages that the roller cavity is arranged in the middle of the shell, and the first mounting table and the second mounting table are oppositely arranged according to the positions of the roller cavity, so that the movable assembly, the fan assembly and the external control assembly can be integrally connected, the connection among the assemblies is tighter and centralized, the space occupation can be effectively reduced, and the structural compactness of the power device is improved. The power mechanism of the inflatable toy provided by the utility model is used for fixedly connecting the two power devices through the connecting rod so as to simulate a real structure driven by two feet, and is suitable for the inflatable toy with two-foot modeling, that is, the power device and the power mechanism provided by the utility model can meet the foot modeling requirements of most inflatable toys.

Drawings

Fig. 1 is a schematic view of a power mechanism in a preferred embodiment of the present utility model.

Fig. 2 is an exploded view of the power mechanism of fig. 1.

Fig. 3 is an exploded view of the mobile assembly of fig. 2.

FIG. 4 is an exploded view of the fan assembly of FIG. 2.

Fig. 5 is a schematic cross-sectional view of the power plant of fig. 1 with a control assembly attached.

Fig. 6 is a schematic cross-sectional view of the power plant of fig. 1 without a control assembly.

Fig. 7 is a schematic cross-sectional view of the connecting rod of fig. 1.

In the figure: 101-a power plant; 1-a housing; 10-roller cavities; 100 a-a first opening; 100 b-a second opening; 11-a first sheet; 111-a first sector; 12-a second sheet; 121-a second sector; 13-a first mounting station; 131-a first cavity; 14-a second mounting station; 141-a second cavity; 15-a first installation station; 16-a second installation station; 17-driven wheel; 181-ventilation holes; 182-through holes; 183-first mount; 184-a second mounting portion; 185-a third mount; 186-cover plate; 2-a moving assembly; 21-a first mount; 211-notch; 22-a first motor; 23-a driving wheel; 24-gear set; 3-a fan assembly; 31-a second mount; 311-an air inlet; 312-air outlet; 313-fixed bin; 32-a second motor; 33-impeller; 331-a receiving cavity; 102-connecting rods; 4-a first rod body; 41-moving the cavity; 5-a second rod body; 51-flange; 103-a control assembly; 6-a third mounting seat; 7-cell; 8-control circuit board.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the utility model. The connections shown in the drawings are for clarity of description only and are not limiting in terms of connections.

It should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like are used in describing the present utility model with respect to directions or positional relationships shown in the drawings, and are merely for convenience of description and to simplify the description, but do not denote that the apparatus or element to be referred to must have a particular direction or positional relationship, and thus should not be construed as limiting the present utility model. It is to be understood that the terms "first," "second," and the like are merely used for convenience in describing the embodiments of the present utility model and are not to be construed as limiting the utility model, as the means or elements referred to must have a particular order. It should be noted that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 1 to 7, the present embodiment provides a power mechanism of an inflatable toy, which includes two power devices 101 disposed opposite to each other, a connecting rod 102 connected between the two power devices 101, and a control assembly 103 mounted on any one of the power devices 101.

The power device 101 is fixed with the inflatable toy and is used for driving the inflatable toy to move, and the inflatable toy can be inflated or deflated rapidly, so that the inflatable toy is convenient to use. Wherein each power plant 101 comprises a housing 1, a moving assembly 2 and a fan assembly 3 mounted on the housing 1. In this embodiment, the housing 1 includes a first plate 11 and a second plate 12 connected at an obtuse angle, and a roller chamber 10 is formed by bulging at the junction of the first plate 11 and the second plate 12. Specifically, a first hollow sector 111 is provided at one end of the first sheet 11, a second hollow sector 121 is provided at one end of the second sheet 12, and the first sector 111 and the second sector 121 are fixed to form the roller chamber 10. The roller cavity 10 is used for rotationally connecting the part moving assembly 2, and a first opening 100a is formed in the ground side of the roller cavity 10 for enabling the part moving assembly 2 to be placed on a plane through the first opening 100 a.

It should be noted that, the casing 1 is composed of the first plate 11 and the second plate 12 connected at an obtuse angle, so that the casing 1 has an obtuse angle plate structure, when the moving assembly 2 is controlled to be started to rotate left and right, the power device 101 can exhibit a left and right swinging movement effect through the obtuse angle plate structure of the casing 1, and the interest of the inflatable toy can be increased during the game. In other embodiments of the present utility model, the housing 1 may be an integrally formed flat plate structure, where a roller cavity 10 is formed in the middle of the housing 1.

The back side of the housing 1 is provided with a first mounting table 13 and a second mounting table 14 at two sides of the roller cavity 10, in this embodiment, the housing 1 is provided with a first mounting station 15 at a side wall corresponding to the roller cavity 10, and the housing 1 is further provided with a second mounting station 16 at each of two side walls corresponding to the roller cavity 10. Wherein the first mounting station 13 is used for detachably mounting the fan assembly 3 or the control assembly 103, the second mounting station 14 is used for detachably mounting the fan assembly 3, the first mounting station 15 is used for detachably mounting the moving assembly 2, and the second mounting station 16 is used for detachably mounting the connecting rod 102. The ground side of the housing 1 is rotatably provided with a driven wheel 17 at each side of the roller chamber 10, and each driven wheel 17 is located at an end far from the roller chamber 10 to cooperate with the moving assembly 2 in the middle of the housing 1, so that the power device 101 can stably move on a plane regardless of left or right swing. In other embodiments of the present utility model, the first mounting station 15 and/or the second mounting station 16 may not be provided on the housing 1, and when the housing 1 is not provided with the first mounting station 15, the moving assembly 2 may be fixed on the housing 1 by welding or directly mounting on an inner wall or an outer wall of the roller cavity 10.

It should be noted that, in this embodiment, the roller cavity 10 is further provided with a second opening 100b at a position opposite to the first mounting station 15 for communicating the roller cavity 10 with the moving assembly 2. In this embodiment, the roller cavity 10 may not be provided with the second opening 100b.

In the present embodiment, the first mounting table 13 is located in the first sheet 11 adjacent to the first sector 111, and the second mounting table 14 is located in the second sheet 14 adjacent to the second sector 121, wherein the first cavity 131 is formed inside the first mounting table 13, and the second cavity 14 is formed inside the second mounting table 14. The first cavity 131 and the second cavity 141 are provided with a plurality of ventilation holes 181 on the ground side for realizing the air flow communication between the first cavity 131 and the second cavity 141 and the outside. The back sides of the first cavity 131 and the second cavity 141 are respectively provided with a through hole 182, so that when the fan assembly 3 is mounted on the first mounting table 13 or the second mounting table 14, the fan assembly can be respectively communicated with the first cavity 131 and the second cavity 141 through the through holes 182, and then the fan assembly is communicated with external air flow through the air holes 181. The back side of the first cavity 131 is further provided with a first mounting portion 183 and a second mounting portion 184, and the back side of the second cavity 141 is further provided with a first mounting portion 183, wherein the first mounting portion 183 is configured to be detachably connected to the fan assembly 3, and the second mounting portion 184 is configured to be detachably connected to the control assembly 103. The inner walls of the first cavity 131 and the second cavity 141 are respectively provided with a third mounting portion 185 along the outer contour of the through hole 182, the third mounting portion 185 is detachably connected with a cover plate 186, and the shape of the cover plate 186 is adapted to the form of the through hole 185, so as to open or close the first cavity 131 or the second cavity 141 according to the mounting requirement.

In the present embodiment, the first mounting portion 183 is configured as a plurality of fixing posts that can be bolted to the fan assembly 3, the second mounting portion 184 is configured as a plurality of mounting holes that can be bolted to the control assembly 103, and the third mounting portion 185 is configured as a plurality of fixing posts that can be bolted to the cover plate 186. In other embodiments of the present utility model, when the fan assembly 3, and/or the control assembly 103, and/or the cover plate 186 achieve the detachable connection with the housing 1 through a snap connection structure, a plug connection structure, a magnetic connection structure, etc., the first mounting portion 183, and/or the second mounting portion 184, and/or the third mounting portion 185 may be provided in a corresponding structure.

In this embodiment, the first mounting station 15 is located on the outer wall of the first sheet 11 corresponding to the first sector 111, and a plurality of hollow columns capable of being connected with the moving assembly 2 in a plugging manner are provided on the first mounting station 15. The second mounting station 16 is located on an outer wall of the second sheet 12 corresponding to the second sector 121, and a plurality of fixing posts are provided on the second mounting station 16, which can be bolted to the connecting rod 102. In other embodiments of the present utility model, when the moving assembly 2 and/or the connecting rod 102 are connected to the housing 1 by other detachable connection methods, other connection structures, such as a magnetic member, a fastening member, a plugging member, a bolt fixing member, etc., may be disposed on the first mounting station 15 and/or the second mounting station 16, respectively.

In this embodiment, the moving assembly 2 includes a first mount 21, a first motor 22, a drive wheel 23, and a gear set 24. The first mounting seat 21 is detachably inserted into the first mounting station 15, and a notch 211 is formed in the first mounting seat 21 at a position corresponding to the second opening 100b, so as to communicate the first mounting seat 21 with the roller cavity 10, and the partial gear set 24 can be rotatably connected between the first mounting seat 21 and the roller cavity 10 through the notch 211 and the second opening 100 b. The first motor 22 is secured within the first mount 21 and is communicatively or electrically coupled to the control assembly 103 for activation or deactivation under the control of the control assembly 103. The driving wheel 23 is rotatably connected in the roller cavity 10, and the gear set 24 is drivingly connected between the first motor 22 and the driving wheel 23, so as to drive the driving wheel 23 to rotate simultaneously when the first motor 22 is started. In other embodiments of the present utility model, the moving assembly 2 may not be provided with the first mounting seat 21, and the first motor 22 and the gear set 24 may be directly mounted at the first mounting station 15 or other positions of the housing 1 corresponding to the roller cavity 10. When the roller cavity 10 is not provided with the second opening 100b, the first mounting seat 21 may be correspondingly not provided with the notch 211, and the gear set 24 may be fully rotatably connected in the first mounting seat 21.

The fan assembly 3 is selectively connected to the first mount 13 or the second mount 14, and includes a second mount 31, a second motor 32, and an impeller 33. Wherein, the second mounting seat 31 is detachably connected to the first mounting portion 183 by bolts, the second mounting seat 31 is provided with an air inlet 311 and an air outlet 312, the air inlet 311 is connected to the through hole 182, and the air outlet 312 is correspondingly arranged in the air flow direction formed by rotation of the impeller 33, so as to form an air flow passage between the outside and the inflatable toy. The second mounting seat 31 is further provided with a fixing bin 313 for fixing the second motor 32 in the second mounting seat 31. The second motor 32 is communicatively or electrically connected to the control assembly 103 for being started or stopped by the control assembly 103. The impeller 33 includes a plurality of blades annularly disposed on an outer sidewall thereof, and a receiving cavity 331 concavely disposed in a middle portion thereof, the receiving cavity 331 is rotatably mounted on an outer wall of the fixed bin 313, and the receiving cavity 331 is fixed with a rotating shaft of the second motor 32, so that the impeller 33 can be driven by the second motor 32 to rotate left and right.

It should be noted that, the process of implementing the moving function of the power device 101 is approximately that the first motor 22 is controlled by the control unit 103 to drive the driving wheel 23 to rotate forward or backward through the gear set 24, and the driving wheel 23 can drive the first plate 11 (and the driven wheel 17 thereon) or the second plate 12 (and the driven wheel 17 thereon) to land, so as to exhibit the swinging movement effect. The process of the power device 101 for realizing the rapid inflation and deflation functions is generally that the second motor 32 is started under the control of the control component 103 so as to drive the impeller 33 to rotate forward or reversely, and the impeller 33 can drive the external air to move into the inflatable toy or the air in the inflatable toy to move to the outside, so that the rapid inflation and deflation functions are realized.

It will be appreciated that the provision of the first mounting station 13 and the second mounting station 14 on the power unit 101 enables both the blower assembly 3 and the control assembly 103 to be mounted on the housing 1, thereby enabling the power unit 101 to be used solely as a power mechanism for an inflatable toy. The power device 101 is independently arranged on the inflatable toy, so that the functions of driving the inflatable toy to move and controlling the inflatable toy to charge and discharge can be simultaneously realized, and the inflatable toy is suitable for the inflatable toy which is cartoon-shaped and has no fine foot structure.

The connecting rod 102 is used for fixedly connecting two power devices 101, so that the power mechanism can simulate a real double-foot driving structure and is suitable for an inflatable toy with a fine double-foot modeling. In this embodiment, the connecting rod 102 includes a first rod 4 and a second rod 5 each fixed to a power unit 101, and one ends of the first rod 4 and the second rod 5 are detachably bolted to the second mounting station 16. The second rod 5 is movably connected in the first rod 4, wherein the other end of the first rod 4 is concavely provided with a moving cavity 41, and the inner diameter of the opening end of the moving cavity 41 is slightly smaller than the inner diameter of the moving cavity 41, so as to be matched with the second rod 5 to make the second rod 5 unable to separate from the moving cavity 41. The other end of the second rod body 5 is convexly provided with a flange 51, and the outer diameter of the flange 51 is equal to or slightly smaller than the inner diameter of the moving cavity 41 and is larger than the inner diameter of the opening end of the moving cavity 41, so that the second rod body 5 can move in the moving cavity 41 and can not be separated from the moving cavity 41. In other embodiments of the present utility model, the connecting rod 102 may be integrally formed.

It should be noted that, when the power mechanism is in an idle state or a use state, the connecting rod 102 disposed in a telescopic manner can change the distance between the two power devices 101, so as to facilitate use and storage, and improve the compactness of the power mechanism.

The control assembly 103 comprises a third mount 6, a battery 7 and a control circuit board 8, wherein the third mount 6 is detachably bolted to the second mounting portion 184 of any power plant 101 for fixing the battery 7 and the control circuit board 8 to the first mount 13. The battery 7 is accommodated and connected in the third mounting seat 6, and the battery 7 is electrically connected with the control circuit board 8 and is used for supplying power to the control circuit board 8. The control circuit board 8 is fixedly installed in the first cavity 131, and the control circuit board 8 is respectively connected with the first motor 22 and the second motor 32 in a communication or electric mode and is used for controlling the start and stop of the moving assembly 2 and the fan assembly 3. It should be noted that, the communication connection or the electrical connection between the control circuit board 8 and the first motor 22 and the second motor 32 are in the prior art, and are not described herein.

The player can control the forward and reverse rotation of the first motor 22 in the two power units 101 through the control circuit board 8, so that the inflatable toy also has the functions of left and right rotation, turning, and the like.

In the description and claims of the present utility model, the words "comprise/comprising" and the words "have/include" and variations thereof are used to specify the presence of stated features, numerical steps or components, but do not preclude the presence or addition of one or more other features, values, steps, components or groups thereof. For clarity, certain features of the utility model that are described in the context of separate embodiments may also be provided in combination in a single embodiment. Furthermore, the various features of the utility model which are described in the context of a single embodiment may also be used in combination in a subcombination, alone or in any suitable manner.

Claims (10)

1. The power device comprises a shell, a moving assembly and a fan assembly, wherein the moving assembly and the fan assembly are arranged on the shell, and the power device is characterized in that a roller cavity is formed by bulge in the middle of the shell, a first opening is formed in the ground facing side of the roller cavity, and a first mounting table and a second mounting table are arranged on the two sides of the roller cavity on the back side of the shell; the moving assembly is connected to the shell corresponding to the roller cavity and comprises a first motor, a driving wheel and a gear set, wherein the driving wheel is rotationally connected in the roller cavity, and the gear set is in transmission connection between the first motor and the driving wheel; the fan assembly is connected to the first mounting table or the second mounting table.

2. The power device according to claim 1, wherein the housing comprises a first plate and a second plate connected at an obtuse angle, the interface between the first plate and the second plate is raised to form the roller cavity, the first plate is provided with the first mounting table adjacent to the roller cavity, the first plate is further provided with a first mounting station on a side wall corresponding to the roller cavity, the first mounting station is connected with the moving assembly, and the second plate is provided with the second mounting table adjacent to the roller cavity.

3. The power device according to claim 1 or 2, wherein a first cavity is formed in the first mounting table, a plurality of ventilation holes are formed in the first cavity on the ground facing side, a through hole is formed in the first cavity on the back ground side, a first mounting portion and a second mounting portion are further arranged on the first cavity on the back ground side, the first mounting portion is detachably connected with the fan assembly, and the second mounting portion is detachably connected with an external control assembly.

4. The power device according to claim 3, wherein a second cavity is formed in the second mounting table, a plurality of the ventilation holes are formed in the second cavity on the ground facing side, the through hole is formed in the second cavity on the ground back side, and the first mounting portion is further disposed on the first cavity on the ground back side.

5. The power device according to claim 4, wherein the inner walls of the first cavity and the second cavity are each provided with a third mounting portion along the outer contour of the through hole, the third mounting portion being detachably connected with a cover plate, the cover plate having a shape adapted to the shape of the through hole.

6. A power plant as claimed in any one of claims 1 or 2, characterised in that the ground facing side of the housing is provided with a driven wheel rotatably on each of the two sides of the roller chamber, each driven wheel being located at an end remote from the drive wheel.

7. The power device of claim 2, wherein the moving assembly further comprises a first mounting base detachably connected to the first mounting station, the first mounting base is connected with the first motor and the gear set, a notch is formed in the first mounting base, a second opening is formed in the roller cavity at a position corresponding to the notch, and a part of the gear set is rotatably connected between the notch and the second opening.

8. The power device of claim 4, wherein the fan assembly comprises a second mounting seat detachably connected to the first mounting portion, a second motor fixed in the second mounting seat, and an impeller rotatably connected to the second mounting seat, the second mounting seat is provided with an air inlet and an air outlet, the air inlet is connected with the through hole, and the air outlet is correspondingly arranged in the direction of air flow formed by rotation of the impeller.

9. A power unit according to any one of claims 1 or 2, wherein the housing is further provided with a second mounting station at each of the two side walls corresponding to the roller cavities, the second mounting station being detachably connected to an external connecting rod.

10. A power mechanism for an inflatable toy, comprising two power units according to any one of claims 1-9, a connecting rod connected between the two power units, and a control assembly mounted on any one of the power units, wherein the connecting rod comprises a first rod body and a second rod body each fixed to one of the power units, and the second rod body is movably connected in the first rod body; the control assembly comprises a third mounting seat connected to any power device, a battery accommodated in the third mounting seat and a control circuit board electrically connected with the battery, wherein the control circuit board is used for controlling the start and stop of the moving assembly and the fan assembly in the power device.