CN114542413A

CN114542413A - Portable chargeable formula aerating device

Info

Publication number: CN114542413A
Application number: CN202210168124.5A
Authority: CN
Inventors: 徐锐; 王子辉; 何小敏; 潘家保; 吴波文; 叶东东; 李金迪
Original assignee: Anhui Polytechnic University
Current assignee: Anhui Polytechnic University
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-05-27
Anticipated expiration: 2042-02-23
Also published as: CN114542413B

Abstract

The invention relates to the technical field of inflation devices, in particular to a portable rechargeable inflation device which comprises a box body, wherein a driving motor is arranged in the box body, the output end of the driving motor is connected with a large gear, the large gear is coaxially connected with a thrust turntable, a connecting rod is arranged at an eccentric position on the front side surface of the thrust turntable, an upper air cylinder is arranged at the other side of the connecting rod, a lower air cylinder is arranged below the upper air cylinder, an upper piston and a lower piston are respectively arranged in the upper air cylinder and the lower air cylinder in a sliding manner, air control valves are respectively arranged on the upper piston and the lower piston, the upper piston and the lower piston are connected with the connecting rod through a piston push rod frame, an air vent is communicated with the upper air cylinder and the lower air cylinder through an air vent pipe, an air nozzle is communicated with the air vent, a pinion is meshed and driven at one side of the large gear, the pinion is coaxially connected with a first rotating shaft, and the first rotating shaft is connected with a fan, and the fan accelerates the flow of air and the outside air in the box body. The invention is convenient for inflation and heat dissipation.

Description

Portable chargeable formula aerating device

Technical Field

The invention relates to the technical field of inflation devices, in particular to a portable rechargeable inflation device.

Background

The existing inflating device or inflating pump in the existing market is large in size, not easy to carry, poor in heat dissipation performance in the operation process and capable of influencing the normal work of the machine body.

Disclosure of Invention

Accordingly, the present invention is directed to a portable rechargeable inflator device that solves at least one or all of the problems of the prior art.

Based on the above purpose, the invention provides a portable rechargeable type inflation device, which comprises a box body, wherein a driving motor is arranged in the box body, the output end of the driving motor is connected with a large gear, the large gear is coaxially connected with a thrust turntable, a connecting rod is arranged at an eccentric position on the front side surface of the thrust turntable, an upper air cylinder is arranged at the other side of the connecting rod, a lower air cylinder is arranged below the upper air cylinder, an upper piston and a lower piston are respectively arranged in the upper air cylinder and the lower air cylinder in a sliding manner, control air valves are respectively arranged on the upper piston and the lower piston, the upper piston and the lower piston are connected with the connecting rod through a piston push rod frame, the upper air cylinder and the lower air cylinder are communicated with an air vent through a vent pipe, the air vent is communicated with an air faucet, a small gear is meshed and driven at one side of the large gear, and the small gear is coaxially connected with a first rotating shaft, the first rotating shaft is connected with a fan.

Optionally, a square air exchange grid is arranged on the box body and located on the front side of the upper cylinder.

Optionally, a swing shaft is arranged above the piston rod frame, the swing shaft and the side wall of the piston rod frame are hinged through traction of a plurality of telescopic rods, the swing shaft penetrates through the side wall of the box body, a swing screen connected with the side wall of the swing shaft is arranged on the outer side of the box body, fan blades are arranged at the upper end and the lower end of the front side of the swing screen, the fan blades are located on the right side of the square air exchange grid, and a ventilation net arranged on the box body is arranged on the rear side of the swing screen.

Optionally, the upper end and the lower extreme of the rear side of swing screen cloth all are provided with the cleaning brush, the rear side of cleaning brush with the contact setting of box body lateral wall.

Optionally, an adjusting motor is arranged on the swinging screen, an adjusting rotating shaft is arranged at the output end of the adjusting motor, and the side wall of the adjusting rotating shaft is connected with the cleaning brush.

Optionally, an air needle is arranged in the air faucet, the air faucet is connected with the air vent through a three-way hose, the three-way hose is communicated with the air vent through an air hose connector, the three-way hose is communicated with a pressure gauge through a first connector, and an air stop valve is arranged in the pressure gauge.

Optionally, the box body is provided with a control switch and a charging port, the lower portion of the box body is provided with an accommodating cavity, a battery pack is arranged in the accommodating cavity, and the battery pack and the charging port are connected with the driving motor through the control switch.

Optionally, a speed regulation assembly is arranged between the output end of the driving motor and the large gear, and the speed regulation assembly comprises a primary planetary gear set and a secondary planetary gear set;

the secondary planetary gear set comprises a secondary outer gear ring connected with the output end of the driving motor, three secondary planet gears are meshed and driven on the inner side of the secondary outer gear ring, the three secondary planet gears are connected with a secondary planet carrier through a secondary planet rotating shaft one by one, a secondary sun gear is meshed and driven in the three secondary planet gears, and the secondary sun gear is coaxially connected with a main rotating shaft;

the primary planetary gear set comprises a primary sun gear coaxially arranged with the main rotating shaft, the outer side of the primary sun gear is in meshing transmission connection with three primary planetary gears, the outer sides of the three primary planetary gears are in meshing transmission with a primary outer gear ring, the three primary planetary gears are connected with a primary planet carrier through primary planetary rotating shafts one by one, and the primary planet carrier is connected with the primary planetary rotating shafts through tapered roller bearings;

the one-level planetary gear set below is provided with fixed pedestal, be provided with left gear and right gear on the fixed pedestal, left side gear with the outer ring gear meshing transmission of second grade is connected, rotate on the left side gear and install left regulation pawl, left side regulation pawl cooperation is provided with the left ratchet of installing on fixed pedestal, right side gear with the outer ring gear meshing transmission of one-level is connected, rotate on the right gear and install right regulation pawl, right side regulation pawl cooperation is provided with the right ratchet of installing on fixed pedestal.

Optionally, a circular air exchange grid is arranged on the box body and located on the front side of the fan.

Optionally, an electrostatic generator is arranged on the cleaning brush.

The invention has the beneficial effects that: the invention provides a portable chargeable type inflating device, which is characterized in that when an object needs to be inflated, an air nozzle is communicated with the object, a driving motor is started to drive a large gear to rotate, so that a connecting rod drives an upper piston and a lower piston to respectively slide left and right in an upper cylinder and a lower cylinder, and gas is conveniently inflated into the object.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a governor assembly according to an embodiment of the present invention;

FIG. 3 is an exploded view of the governor assembly of an embodiment of the present invention;

FIG. 4 is a schematic view of a connection structure of a thrust rotor according to an embodiment of the present invention;

FIG. 5 is a schematic view of a connection structure of a three-way hose according to an embodiment of the present invention;

FIG. 6 is a schematic view of a partial structure inside the case according to the embodiment of the present invention;

fig. 7 is a schematic structural diagram of an oscillating screen according to an embodiment of the present invention.

In the figure: 1. a box body; 1a, a support plate; 2. a square ventilation grid; 3. a circular air exchange grid; 4. a control switch; 5. a charging port; 6. a breather pipe; 7. a vent; 8. a lower cylinder; 9. an upper cylinder; 10. an upper piston; 11. a lower piston; 12. a piston push rod frame; 13. fixing a guide frame; 14. a connecting rod; 15. angular contact ball bearings; 16. a thrust rotary table; 17. a bull gear; 18. a pinion gear; 18a, a first rotating shaft; 19. a fan; 19a, a bracket; 20. a three-way hose; 21. an air tap; 22. air needle; 23. an air stop valve; 24. a gas pipe joint; 25. a first joint; 26. a pressure gauge; 27. a primary planet carrier; 28. a tapered roller bearing; 29. a primary planet shaft; 30. a primary planet wheel; 31. a primary sun gear; 32. a primary outer gear ring; 33. a main rotating shaft; 34. a secondary planet carrier; 35. a secondary sun gear; 36. a secondary planet rotating shaft; 37. a secondary planet wheel; 38. a secondary outer gear ring; 39. a coupling; 40. a bolt; 41. a drive motor; 42. a left adjustment pawl; 43. a left gear; 44. a left ratchet wheel; 45. fixing the shaft bracket; 46. a right gear; 47. a right ratchet wheel; 48. a right adjustment pawl; 49. a battery pack; 50. drawing the multi-section telescopic rod; 51. a swing shaft; 52. swinging the screen; 53. a fan blade; 54. adjusting the motor; 55. adjusting the rotating shaft; 56. cleaning a brush; 57. and (4) ventilating nets.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.

It should be noted that technical terms or scientific terms used in the embodiments of the present invention should have the ordinary meanings as understood by those having ordinary skill in the art to which the present invention belongs, unless otherwise defined. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

A portable rechargeable type inflating device comprises a box body 1, wherein a supporting plate 1a is arranged on the box body 1, a driving motor 41 is arranged in the box body 1, the driving motor 41 is fixedly placed on the supporting plate 1a through a bolt 40, the output end of the driving motor 41 is connected with a gear wheel 17, the gear wheel 17 is coaxially connected with a thrust turntable 16, a connecting rod 14 is arranged at an eccentric position on the front side surface of the thrust turntable 16 through an angular contact ball bearing 15, an upper air cylinder 9 is arranged on the other side of the connecting rod 14, a lower air cylinder 8 is arranged below the upper air cylinder 9, an upper piston 10 and a lower piston 11 are respectively arranged in the upper air cylinder 9 and the lower air cylinder 8 in a sliding manner, air control valves are respectively arranged on the upper piston 10 and the lower piston 11, the upper piston 10 and the lower piston 11 are connected with the connecting rod 14 through a piston push rod frame 12, a fixed guide frame 13 is arranged on the supporting plate 1a and is in sliding connection with the piston push rod frame 12, go up cylinder 9 with lower cylinder 8 has blow vent 7 through breather pipe 6 intercommunication, blow vent 7 intercommunication has air cock 21, gear wheel 17 one side meshing transmission has pinion 18, pinion 18 coaxial coupling has first pivot 18a, first pivot 18a is connected with fan 19, and fan 19 accelerates the flow of air and outside air in the box body 1, the fan 19 outside be provided with the support 19a that backup pad 1a is connected aerifys for the object when needs, with air cock 21 and object intercommunication, start driving motor 41, drive gear wheel 17 and rotate for connecting rod 14 drives piston 10 and lower piston 11 respectively at last cylinder 9 with the horizontal slip in lower cylinder 8 is convenient for fill gas into in the object.

The speed change function of the speed regulation assembly changes the inflation rate, synchronously activates the circulating heat dissipation function matched with the fan 19, and has compact structure and convenient carrying, thereby meeting the requirement of inflating various special vehicles and vehicles in various application scenes and ensuring that the vehicle body can be effectively supplied with air when sudden air leakage and little air are met in emergency.

The preparation material of the box body 1 can be plastic, so that the overall weight of the inflating device is reduced, the inflating device is more convenient to carry, and the box body 1 can be of an integrally formed structure, so that the overall structural strength of the inflating device can be increased.

The invention adopts the combination of the lower cylinder 8 and the upper cylinder 9, compared with the traditional single-piston cylinder, so that the motion frequency is improved, and the inflation rate in unit time is obviously improved.

Be provided with square grid 2 and the circular grid 3 of taking a breath on the box body 1, square grid 2 of taking a breath is located go up cylinder 9 front side, circular grid 3 of taking a breath is located fan 19 front side is convenient for the flow of the inside and outside air of box body 1, the heat dissipation of this device of being convenient for.

In order to improve the air circulation rate, a swing shaft 51 is arranged above the piston push rod frame 12, the swing shaft 51 is hinged to the side wall of the piston push rod frame 12 by drawing a multi-section telescopic rod 50, the swing shaft 51 penetrates through the side wall of the box body 1, a swing screen 52 connected with the side wall of the swing shaft 51 is arranged outside the box body 1, the upper end and the lower end of the front side of the swing screen 52 are both provided with fan blades 53, the fan blades 53 are positioned on the right side of the square air exchange grid 2, a ventilation net 57 arranged on the box body 1 is arranged on the rear side of the swing screen 52, a partition plate positioned in the box body 1 is arranged between the ventilation net 57 and the square air exchange grid 2, so that the air sucked into the upper air cylinder 9 and the lower air cylinder 8 can flow into the box body 1 through the ventilation net 57, and the piston push rod frame 12 moves leftwards to drive the swing shaft 51 to rotate anticlockwise, the air in the external world can enter into last cylinder 9 and lower cylinder 8 through ventilative net 57, drive swing screen 52 counter-clockwise swing, ventilative net 57 is located swing screen 52 front side, when the air in the external world enters into box body 1, reduce the adhesion of dust on ventilative net 57, it is convenient for drive the circulation of the inside and outside air of box body 1 to drive flabellum 53 swing in addition, it is mutual with the outside air because square air exchange grid 2 is passed through to the heat that the repeated work produced to be convenient for go up cylinder 9 and lower cylinder 8, flabellum 53 is convenient for blow away the hot-air of heat transfer.

In order to further clean the breathable net 57, cleaning brushes 56 are arranged at the upper end and the lower end of the rear side of the swing screen 52, the rear side of each cleaning brush 56 is in contact with the outer side wall of the box body 1, and the cleaning brushes 56 are convenient to clean the breathable net 57 when the swing screen 52 swings.

Be provided with electrostatic generator on the clearance brush, when swing screen cloth 52 swings and outside air gets into the box body through ventilative net, electrostatic generator is convenient for reduce in the outside air impurity and enters into the box body, and electrostatic generator is convenient for adsorb these impurities, and when swing screen cloth 52 swung the lower extreme, electrostatic generator was out of work, and the clearance of being convenient for is brushed impurity and is dropped along with the wind.

In order to facilitate the adjustment of the cleaning brush 56, the adjusting motor 54 is arranged on the swing screen 52, the output end of the adjusting motor 54 is provided with an adjusting rotating shaft 55, the side wall of the adjusting rotating shaft 55 is connected with the cleaning brush 56, when the piston push rod frame 12 moves leftwards, outside air enters the box body 1 at the position of the air permeable net 57 at the moment, the swing screen 52 swings anticlockwise, when the piston push rod frame 12 moves rightwards, no outside air enters the box body 1 at the position of the air permeable net 57 at the moment, the swing screen 52 swings clockwise, the adjusting motor 54 is started to drive the adjusting rotating shaft 55 to rotate, the cleaning brush 56 is convenient to contact with the air permeable net 57, and the screen swings clockwise to drive the cleaning brush 56 to clean the air permeable net 57.

Be provided with air needle 22 in the air cock 21, air cock 21 with connect through three-way hose 20 between the blow vent 7, three-way hose 20 with communicate through using coupling 24 between the blow vent 7, three-way hose 20 has manometer 26 through first joint 25 intercommunication, be provided with air stop valve 23 in the manometer 26, lower cylinder 8 and last cylinder 9 interior gas are imported into three-way hose 20 through blow vent 7, then export through air cock 21.

Optionally, a control switch 4 and a charging port 5 are arranged on the box body 1, an accommodating cavity is arranged at the lower part of the box body 1, a battery pack 49 is arranged in the accommodating cavity, the battery pack 49 and the charging port 5 are both connected with the driving motor 41 through the control switch 4, the battery pack 49 can be a lithium battery pack 49, so that the cruising ability of the inflation device can be improved, the charging port 5 can be a quick-charging port 5, so that the charging rate of the battery pack 49 can be improved, and when the battery pack 49 is fully charged or has abundant residual electricity, the driving motor 41 can be powered at any time to maintain the operation of the battery pack 49; when the remaining power of the battery pack 49 is insufficient, the external power supply can be used for supplying power to the driving motor 41 through the charging port 5 at any time to maintain the operation of the driving motor, and the battery pack 49 can also be charged only to supply the next operation of the driving motor 41.

In order to facilitate the control of the inflation efficiency, a speed regulation component is arranged between the output end of the driving motor 41 and the gearwheel 17, a coupling 39 is arranged between the speed regulation component and the output end of the driving motor 41, and the speed regulation component comprises a primary planetary gear set and a secondary planetary gear set;

the secondary planetary gear set comprises a secondary outer gear ring 38 connected with the output end of the driving motor 41, three secondary planet gears 37 are in meshing transmission on the inner side of the secondary outer gear ring 38, the three secondary planet gears 37 are connected with a secondary planet carrier 34 through secondary planet rotating shafts 36 one by one, a secondary sun gear 35 is in meshing transmission on the three secondary planet gears 37, and the secondary sun gear 35 is coaxially connected with a main rotating shaft 33;

the primary planetary gear set comprises a primary sun gear 31 coaxially arranged with the main rotating shaft 33, the outer side of the primary sun gear 31 is connected with three primary planet gears 30 in a meshing transmission mode, the outer sides of the three primary planet gears 30 are connected with a primary outer gear ring 32 in a meshing transmission mode, the three primary planet gears 30 are connected with a primary planet carrier 27 through primary planet rotating shafts 29 one by one, and the primary planet carrier 27 is connected with the primary planet rotating shafts 29 through tapered roller bearings 28;

first-level planetary gear set below is provided with fixed pedestal 45, be provided with left gear 43 and right gear 46 on the fixed pedestal 45, left side gear 43 with second grade outer ring gear 38 meshing transmission is connected, it installs left regulation pawl 42 to rotate on the left side gear 43, it is provided with the left ratchet 44 of installing on fixed pedestal 45 to adjust the pawl 42 cooperation on a left side, right side gear 46 with the outer ring gear 32 meshing transmission of one-level is connected, it installs right regulation pawl 48 to rotate on the right side gear 46, the cooperation of right side regulation pawl 48 is provided with the right ratchet 47 of installing on fixed pedestal 45.

The primary outer gear ring 32 and the secondary outer gear ring 38 can be matched with the left ratchet wheel 44 and the right ratchet wheel 47 to rotate separately by controlling the forward and reverse rotation of the driving motor 41, so as to adjust the output rotating speed of the speed regulating assembly.

As an alternative embodiment, the secondary planet carrier 34 and the primary outer ring gear 32 are of a unitary construction.

Thus, when the driving motor 41 rotates clockwise in the forward direction, the primary rotation shaft 33 drives the primary sun gear 31 to rotate clockwise, the primary sun gear 31 drives the three primary planet gears 30 to rotate counterclockwise around the respective primary planet rotation shafts 29, and then the primary planet carrier 27 rotates clockwise, but because of the right ratchet wheel 47, the three primary planet gears 30 keep still, and the secondary planet carrier 34 integrated with the primary outer ring gear 32 also keeps still, but the secondary outer ring gear 38 cooperates with the left ratchet wheel 44 to rotate clockwise around the primary rotation shaft 33, so the three secondary planet gears 37 rotate counterclockwise around the respective secondary planet rotation shafts 36 under the influence of the clockwise rotation of the secondary sun gear 35, that is, at this time, the primary planet gear set converts the rotation speed of the input end of the driving motor 41 into the final output rotation speed by 1/3.1 time through the cooperation of the secondary planet gear set, and outputs the final output rotation speed through the primary planet carrier 27 as the output end, this is the slow gear mode.

In the fast shift mode, when the driving motor 41 rotates counterclockwise in the reverse direction, the primary rotating shaft 33 drives the secondary sun gear 35 to rotate counterclockwise, the secondary sun gear 35 drives the three secondary planet gears 37 to rotate clockwise around the respective primary planet rotating shafts 29, and then the secondary planet carrier 34 rotates counterclockwise, so that the primary outer ring gear 32 integrated with the secondary planet carrier 34 and the right ratchet wheel 47 cooperate to rotate counterclockwise around the primary rotating shaft 33, and the secondary outer ring gear 38 remains stationary due to the action of the left ratchet wheel 44. At this time, the three primary planet gears 30 are affected by the combination of the counterclockwise rotation of the primary outer ring gear 32 and the counterclockwise rotation of the primary sun gear 31 to rotate clockwise around the respective primary planet rotating shafts 29, so as to drive the primary planet carrier 27 to rotate counterclockwise, and convert the rotation speed of the input end of the driving motor 41 by 1/1.81 times into the final output rotation speed, and output the final output rotation speed through the primary planet carrier 27 as the output end, that is, the rotation speed of the output shaft is increased.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to imply that the scope of the invention is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. A portable rechargeable inflator device, comprising: comprises a box body (1), a driving motor (41) is arranged in the box body (1), the output end of the driving motor (41) is connected with a gear wheel (17), the gear wheel (17) is coaxially connected with a thrust turntable (16), a connecting rod (14) is arranged at an eccentric position on the front side surface of the thrust turntable (16), an upper cylinder (9) is arranged on the other side of the connecting rod (14), a lower cylinder (8) is arranged below the upper cylinder (9), an upper piston (10) and a lower piston (11) are respectively arranged in the upper cylinder (9) and the lower cylinder (8) in a sliding manner, air control valves are respectively arranged on the upper piston (10) and the lower piston (11), the upper piston (10) and the lower piston (11) are connected with the connecting rod (14) through a push rod piston frame (12), the upper cylinder (9) and the lower cylinder (8) are communicated with an air vent (7) through a vent pipe (6), the ventilating opening (7) is communicated with an air nozzle (21), a small gear (18) is meshed and driven on one side of the large gear (17), the small gear (18) is coaxially connected with a first rotating shaft (18a), and the first rotating shaft (18a) is connected with a fan (19).

2. The portable rechargeable inflator device according to claim 1, wherein a square air exchange grid (2) is disposed on the case (1), and the square air exchange grid (2) is located at a front side of the upper cylinder (9).

3. The portable rechargeable inflating device according to claim 2, wherein a swing shaft (51) is arranged above the piston rod frame (12), the swing shaft (51) and the side wall of the piston rod frame (12) are hinged through a traction multi-section telescopic rod (50), the swing shaft (51) penetrates through the side wall of the box body (1), a swing screen (52) connected with the side wall of the swing shaft (51) is arranged on the outer side of the box body (1), fan blades (53) are arranged at the upper end and the lower end of the front side of the swing screen (52), the fan blades (53) are located on the right side of the square ventilating grid (2), and a ventilating net arranged on the box body (1) is arranged on the rear side of the swing screen (52).

4. A portable rechargeable inflator according to claim 3 wherein the rear side of the oscillating screen (52) is provided at both its upper and lower ends with cleaning brushes (56), the rear side of the cleaning brushes (56) being arranged in contact with the outer side wall of the case (1).

5. The portable rechargeable inflator device according to claim 4, wherein the swing screen (52) is provided with an adjusting motor (54), an output end of the adjusting motor (54) is provided with an adjusting rotating shaft (55), and a side wall of the adjusting rotating shaft (55) is connected with the cleaning brush (56).

6. The portable rechargeable inflating device according to claim 1, wherein an air needle (22) is disposed in the air nozzle (21), the air nozzle (21) is connected to the air vent (7) through a three-way hose (20), the three-way hose (20) is communicated with the air vent (7) through an air pipe joint (24), the three-way hose (20) is communicated with a pressure gauge (26) through a first joint (25), and an air stop valve (23) is disposed in the pressure gauge (26).

7. The portable rechargeable inflator according to claim 1, wherein a control switch (4) and a charging port (5) are arranged on the case body (1), a containing cavity is arranged at the lower part of the case body (1), a battery pack (49) is arranged in the containing cavity, and the battery pack (49) and the charging port (5) are both connected with the driving motor (41) through the control switch (4).

8. The portable rechargeable inflator device according to claim 1, wherein a speed regulating assembly is disposed between the output end of the driving motor (41) and the large gear (17), the speed regulating assembly comprises a primary planetary gear set and a secondary planetary gear set;

the secondary planetary gear set comprises a secondary outer gear ring (38) connected with the output end of the driving motor (41), three secondary planet gears (37) are in meshing transmission on the inner side of the secondary outer gear ring (38), the three secondary planet gears (37) are connected with a secondary planet carrier (34) through secondary planet rotating shafts (36), the three secondary planet gears (37) are in meshing transmission with a secondary sun gear (35), and the secondary sun gear (35) is coaxially connected with a main rotating shaft (33);

the primary planetary gear set comprises a primary sun gear (31) coaxially arranged with the main rotating shaft (33), the outer side of the primary sun gear (31) is in meshing transmission connection with three primary planet gears (30), the outer sides of the three primary planet gears (30) are in meshing transmission with a primary outer gear ring (32), the three primary planet gears (30) are connected with a primary planet carrier (27) through primary planet rotating shafts (29), and the primary planet carrier (27) is connected with the primary planet rotating shafts (29) through tapered roller bearings (28);

one-level planetary gear set below is provided with fixed pedestal (45), be provided with left gear (43) and right gear (46) on fixed pedestal (45), left gear (43) with outer ring gear (38) meshing transmission of second grade is connected, rotate on left gear (43) and install left regulation pawl (42), it is provided with left ratchet (44) of installing on fixed pedestal (45) to adjust pawl (42) cooperation on a left side, right gear (46) with outer ring gear (32) meshing transmission of one-level is connected, rotate on right gear (46) and install right regulation pawl (48), right side regulation pawl (48) cooperation is provided with right ratchet (47) of installing on fixed pedestal (45).

9. A portable rechargeable inflator device according to claim 1 characterized in that a circular air exchange grid (3) is provided on the case (1), the circular air exchange grid (3) being located in front of the fan (19).

10. The portable rechargeable inflator device of claim 4, wherein the cleaning brush is provided with an electrostatic generator.