TW201336463A - Blowing/sucking dual-purpose vacuum cleaner and its fan - Google Patents

Abstract

A blowing/sucking dual-purpose vacuum cleaner comprises: a housing unit having a receiving chamber and a projected nozzle; a power set, a DC motor, a fan and a dust collection cylinder, all disposed in the receiving chamber; a forward/reverse rotation switch and a starting switch disposed in the housing unit; and a projected nozzle inner frame disposed at the inner edge of the projected nozzle and connected with a diaphragm which can be lifted forward or backward. The blowing/sucking dual-purpose vacuum cleaner has the functions of air blowing and dust suction. The dust collection cylinder needs not to be removed when cleaning the collected dust. The fan for the blowing/sucking dual-purpose vacuum cleaner has a plurality of flat blades projected radially and outwardly, and the flat blades are arranged in 45-degree inclined backwardly. Forward/reverse rotation of the fan can generate blowing or sucking force respectively, such that one single fan can meet the requirements of the blowing/sucking dual-purpose vacuum cleaner.

Description

Blowing and suction vacuum cleaner and its fan

The present invention relates to a vacuum cleaner structure, and more particularly to a suction and suction vacuum cleaner and a fan therefor.

After the vacuum cleaner clears the collected dust, the dust collector must be removed from the body of the vacuum cleaner, and the dust is removed, and then the dust collector is reassembled into the vacuum cleaner body. Extremely inconvenient and inconvenient.

In addition, the conventional fan has a plurality of blades which are generally concave arc-shaped blades. When rotating, the air volume is generated on the front surface of the concave curved surface, and there is no significant air volume on the back surface. If you want the fan to have a different wind direction, you must change the direction in which the fan is set. Therefore, the conventional fan can only be used for blowing or sucking air in a single direction, and cannot be used for a vacuum cleaner.

Due to the above reasons, the applicability of the conventional vacuum cleaner and its fan is poor.

In view of the above disadvantages of the conventional vacuum cleaner, an object of the present invention is to provide a suction and suction dual-purpose vacuum cleaner which has the functions of blowing and vacuuming at the same time, and does not need to remove the dust collection inside when cleaning the collected dust. cylinder.

Another object of the present invention is to provide a fan for a suction and suction dual-purpose vacuum cleaner, which can generate air volume of different wind directions according to its forward rotation or reverse rotation, thereby generating a blowing force or suction force, so as to be suitable for the suction and suction dual-purpose vacuum cleaner. .

According to one of the above objects, an aspect of the present invention provides a suction and suction vacuum cleaner comprising: a housing unit having a receiving groove formed therein, the front end portion having a protruding nozzle; and a power source group for accommodating The accommodating slot is provided in the accommodating slot and electrically connected to the power pack; a forward/reverse switch is disposed in the housing unit and electrically connected to the power pack and the DC motor; , located in the accommodating slot and mounted on a rotating shaft of the DC motor; a dust collecting cylinder is disposed in the accommodating groove and located at the front end of the fan; a protruding inner frame is located at the inner edge of the protruding nozzle, and is located in the protruding mouth The frame is connected with a diaphragm that can be lifted forward or backward; and a start switch is disposed on the housing unit and electrically connected to the power pack. At the same time, it has the functions of blowing and vacuuming, and it is not necessary to remove the dust collecting cylinder when cleaning fine objects such as dust and debris collected by the dust (hereinafter referred to as dust).

According to an embodiment of the invention, the housing unit comprises a first housing, a second housing and a rear cover. The first housing and the second housing are opposite to each other, and a receiving slot is formed therebetween. The protrusion is formed at a front end portion of the first casing and the second casing, and the rear cover body has a plurality of through holes and covers the rear end portions of the first casing and the second casing. The assembly of the housing unit is thus achieved.

According to an embodiment of the invention, the first housing and the second housing each have a transversely connected transverse body shell and a handle housing, and the receiving slot has a transverse body receiving groove and a handle receiving The groove, the transverse body receiving groove is formed between the two transverse body shells, and the handle receiving groove is formed between the two grip shells. In this way, the arrangement of the transverse body receiving groove and the grip receiving groove of the receiving groove is achieved.

According to an embodiment of the invention, the DC motor, the fan and the dust collecting cylinder are accommodated in the horizontal body receiving groove, and the rechargeable battery is accommodated in the handle receiving groove. Thereby, the power component and the power component are respectively located in different receiving slots.

According to an embodiment of the invention, the outer periphery of the nozzle is provided with a cover cylinder for covering the nozzle and collecting dust.

According to an embodiment of the present invention, the suction and suction vacuum cleaner further includes a telescopic tube unit that is sleeved on the outer circumference of the nozzle and protrudes forward to extend the distance of the nozzle to the dust suction target.

According to an embodiment of the invention, the telescopic tube unit has a plurality of inner tubular bodies for telescopic adjustment of the overall length of the telescopic tube unit.

According to an embodiment of the invention, the front end of the inner frame of the nose has an inner inclined surface for blocking the tubular body from projecting inwardly into the interior of the suction and vacuum cleaner.

According to another object of the present invention, an aspect of the present invention provides a fan for a suction and suction dual-purpose vacuum cleaner having a plurality of straight blades projecting outwardly from the center thereof, and the straight portions are straight The blades are inclined at about 45 degrees from front to back. According to the forward or reverse rotation of the fan, the blowing force or suction force can be generated, and the single fan can be used for the suction and suction dual-purpose vacuum cleaner.

The foregoing and other technical features, features and advantages of the present invention will be apparent from

1 and 2 are respectively an external view and an exploded view of a vacuum cleaner according to an embodiment of the present invention. As shown in the figure, a vacuum cleaner according to an embodiment of the present invention includes a housing unit 100, a power pack 200, a DC motor 300, a forward/reverse switch 320, a fan 400, and a dust collecting cylinder. 500, a nozzle inner frame 600 and a start switch 330.

A receiving groove 110 is formed in the interior of the housing unit 100, and a front end portion of the housing unit 100 has a protruding nozzle 120. In implementation, the housing unit 100 includes a first housing 100A, a second housing 100B, and a rear cover 130. The first housing 100A is opposed to the second housing 100B, and the above-mentioned receiving groove 110 is formed therebetween. The nozzles 120 are formed at the front end portions of the first housing 100A and the second housing 100B. The rear cover body 130 has a plurality of through holes 131 and covers the rear end portions of the first housing 100A and the second housing 100B; the protrusion 120 of the front end portion of the housing unit 100 and the cover 130 of the rear end portion The through hole 131 is a passage for convection of the air so that the air converges back and forth inside the casing unit 100.

The first housing 100A and the second housing 100B each have a transverse body shell 140 and a handle housing 150 that are vertically connected. The accommodating groove 110 has a transverse accommodating groove 111 and a handle accommodating groove 112. The transverse accommodating groove 111 is formed between the two transverse body shells 140, and the handle accommodating groove 112 is formed. Between the two grip shells 150. The handle shell 150 can be used by the user for holding.

The DC motor 300 is accommodated in the transverse body receiving groove 111 of the receiving groove 110 of the housing unit 100. The power pack 200 is received in the handle receiving slot 112 of the receiving slot of the housing unit 100. The power pack 200 provides the DC power required by the DC motor 300. In practice, the power pack 200 can be a power line and a rectification module to rectify the mains into a direct current; the power pack 200 can also be a general battery or a rechargeable battery. In order to consider the convenience of carrying and using the vacuum cleaner, and the reusability of the battery, the power pack 200 is preferably a rechargeable battery. To this end, the dual-purpose vacuum cleaner further includes a charging port 210 and is electrically connected to the rechargeable battery 200. The rechargeable battery 200 can be charged via the charging port 210 without removing the rechargeable battery.

The forward/reverse switching switch 320 is disposed in the housing unit 100 and electrically connected to the power supply unit 200 and the DC motor 300 for controlling the forward rotation or reverse rotation of the DC motor 300.

The fan 400 is disposed in the transverse body receiving groove 111 of the accommodating groove 100 and is mounted on the rotating shaft 310 of the DC motor 300 so as to be rotatable by the DC motor 300. The fan 400 has a plurality of straight blades 410 projecting outwardly from the center thereof, and the straight blades 410 are inclined at about 45 degrees from front to back.

The dust collecting cylinder 500 is disposed in the horizontal receiving groove 111 of the accommodating groove 110 of the casing unit 100 and is located at the front end of the fan 500. The dust collecting cylinder 500 is provided when the suction and suction vacuum cleaner is used for vacuuming. For collecting dust.

The nose inner frame 600 is located at the inner edge of the nozzle 120 of the housing unit 100. The inner frame of the nozzle is provided with a diaphragm 610 which can be lifted forward or backward. In the normal case, the diaphragm 610 is sealed on the frame of the protruding inner frame 600; when the suction and suction dual-purpose vacuum cleaner is used in the air blowing, the diaphragm 610 is opened forward according to the forward blowing force of the fan 400; When the suction and suction dual-purpose vacuum cleaner is used for vacuuming, the diaphragm 610 is opened rearward according to the backward suction force of the fan 400.

The start switch 330 is disposed on the housing unit 100 and electrically connected to the power pack 200 and the DC motor 300 for controlling the startup of the DC motor 300.

According to an embodiment of the present invention, a dual-purpose vacuum cleaner has the functions of blowing and vacuuming in one machine. Please refer to FIG. 3 together, which shows a schematic cross-sectional view of the suction and suction vacuum cleaner when used for vacuuming. When the dust is used, the forward/reverse switch 320 is switched to a reverse position, and the start switch 330 is pressed to drive the DC motor 300 to rotate in the opposite direction (for example, rotating in the counterclockwise direction), thereby driving the fan 400 to reverse. Rotate in the clock direction. Since the blade 410 of the fan is a straight blade inclined at about 45 degrees, when the fan rotates in the counterclockwise direction, the air is cut by the back surface of the straight blade 410 to generate a backwardly blown air volume, that is, the blower is blown. The front end portion of the dual-purpose cleaner generates a rearward suction force which simultaneously splits the diaphragm 610 rearward, and sucks the external dust through the nozzle 120 to the dust collecting cylinder 500.

When the pressing operation of the start switch 330 is released, the fan 400 stops rotating, and the diaphragm 610 returns to the state of being originally capped at the frame of the nozzle inner frame 600, thereby preventing the dust collected inside the dust collecting cylinder 500 from unintentionally moving toward the frame. Pour out.

Please refer to FIG. 4 together, which shows a schematic cross-sectional view of the suction and suction vacuum cleaner used in the air blowing. If the dust collected by the dust collecting cylinder 500 is to be cleaned, the forward/reverse switching switch 320 is switched to a forward rotation position, and the start switch 330 is pressed to drive the DC motor 300 to rotate forward (for example, in a clockwise direction). Rotating), which in turn drives the fan 400 to rotate in a clockwise direction. Since the blade 410 of the fan is a straight blade inclined at about 45 degrees, when the fan rotates in the clockwise direction, the air is cut by the front surface of the straight blade 410 to generate a forwardly blown air volume, thereby generating a forward direction. The blowing force simultaneously splits the diaphragm 610 forward, and the dust inside the dust collecting cylinder 500 is blown out to a trash can (not shown) via the nozzle 120 without the dust collecting cylinder 500 is removed and reassembled.

FIG. 5 is a cross-sectional view showing the cover tube 700 of the suction and suction dual-purpose vacuum cleaner. Accordingly, the cover tube 700 is closed to the protrusion 120 to prevent external foreign objects and mosquitoes and the like from intruding into the interior of the body; and in use, the cover tube 700 can be removed to open the protrusion 120. The blow-up dual-purpose vacuum cleaner can perform the action of blowing or vacuuming the same, and at the same time, the removed cover cylinder 700 can serve as a collecting cylinder when the dust inside the dust collecting cylinder 500 is cleaned outward by the blowing action.

FIG. 6 is a cross-sectional view showing the telescoping tube unit 800 of the nozzle 120 of the two suction cleaners. The telescopic tube unit 800 is formed by combining a plurality of inner tubes 810, and can adjust the overall length of the telescopic tube unit 800 to lengthen the distance between the nozzles 120 and the object to be vacuumed, thereby facilitating the user to use the dust for the distant objects. The front end of the protruding inner frame 600 of the inner edge of the nozzle 120 has an inner inclination 620 for blocking the tubular body 810 from projecting inwardly from the nozzle 120 to the inside of the suction and vacuum cleaner.

FIG. 7 is a cross-sectional view showing a cap 700 of an end portion of the telescopic tube unit 800. The cover cylinder 700 shown in Fig. 7 has the same function as the cover cylinder 700 shown in Fig. 5 described above.

In the first to seventh figures, a structure of a fan 400 for a dual-purpose vacuum cleaner is shown. The fan 400 has a plurality of straight blades 410 protruding outwardly from the center thereof, and the flats are flat. The straight blades are inclined at about 45 degrees from front to back. According to this design, the fan 400 can generate a forward blowing force on the front surface of the blade 410 when the fan is rotated forward, and a rearward blowing force on the back surface of the blade 410 when the fan is reversed (ie, relative to In the front, it produces a backward suction). Therefore, the fan 400 can generate a blowing force or a suction force according to its forward rotation or reverse rotation, and a single fan can be used for the suction and suction dual-purpose vacuum cleaner.

According to an embodiment of the present invention, the suction and suction dual-purpose vacuum cleaner has the functions of blowing and vacuuming at the same time, and when cleaning the collected dust, the collected dust can be blown out to the trash can according to the blowing method. Or cover the tube without removing the dust collector, which is very convenient to use. In addition, the fan of the suction and suction vacuum cleaner according to an embodiment of the present invention can generate a blowing force or a suction force according to the forward rotation or the reverse rotation thereof, and the single fan can be used for the suction and suction dual-purpose vacuum cleaner without using the fan. With two fans and changing the direction of the fan. As described above, the object of the present invention has indeed been achieved.

The present invention is disclosed in the above embodiments, and is not intended to limit the scope of the present invention, and various modifications and refinements may be made without departing from the spirit and scope of the invention. It is subject to the definition of the scope of the patent application attached.

100. . . Housing unit

100A. . . First housing

100B. . . Second housing

110. . . Locating slot

111. . . Transverse housing

112. . . Grip receiving slot

120. . . Bump

130. . . Back cover

131. . . Through hole

140. . . Transverse shell

150. . . Grip shell

200. . . Power pack (rechargeable battery)

210. . . Charging

300. . . DC motor

310. . . Rotating shaft

320. . . Positive and negative switch

330. . . Start switch

400. . . fan

410. . . Straight blade

500. . . Dust collector

600. . . Tabbed inner frame

610. . . Diaphragm

620. . . Inner slope

700. . . Cover tube

800. . . Telescopic tube unit

810. . . Tube body

The above and other objects, features, advantages and embodiments of the present invention will become more <RTIgt;

Fig. 1 is a perspective view showing a suction and suction vacuum cleaner according to an embodiment of the present invention and showing a partial broken view.

Fig. 2 is an exploded view showing the suction and suction vacuum cleaner shown in Fig. 1.

Fig. 3 is a cross-sectional view showing the suction and suction vacuum cleaner shown in Fig. 1 when used for vacuuming.

Fig. 4 is a schematic cross-sectional view showing the suction and suction vacuum cleaner shown in Fig. 1 when it is used for air blowing.

Fig. 5 is a cross-sectional view showing the suction and suction vacuum cleaner shown in Fig. 1 in which a nozzle is sleeved.

Fig. 6 is a cross-sectional view showing the air suction and suction device shown in Fig. 1 in which a telescopic tube unit is sleeved.

Figure 7 is a cross-sectional view showing the suction and suction vacuum cleaner shown in Figure 6 in which the end of the telescopic tube unit is sleeved.

100. . . Housing unit

100A. . . First housing

100B. . . Second housing

110. . . Locating slot

111. . . Transverse housing

112. . . Grip receiving slot

120. . . Bump

130. . . Back cover

131. . . Through hole

140. . . Transverse shell

150. . . Grip shell

200. . . Power pack (rechargeable battery)

210. . . Charging

300. . . DC motor

320. . . Positive and negative switch

330. . . Start switch

400. . . fan

410. . . Straight blade

500. . . Dust collector

600. . . Tabbed inner frame

610. . . Diaphragm

620. . . Inner slope

Claims (11)

A suction and suction vacuum cleaner comprising: a housing unit having a receiving groove formed therein, the front end portion of the housing unit having a protruding nozzle; a power supply unit accommodated in the receiving groove; and a continuous flow motor The device is electrically connected to the power supply unit; a positive/reverse switching switch is disposed in the housing unit and electrically connected to the power supply unit and the DC motor; a fan is located at the receiving unit a groove is disposed on a rotating shaft of the DC motor; a dust collecting cylinder is disposed in the receiving groove and located at a front end of the fan; a protruding inner frame is located at an inner edge of the protruding mouth, the protrusion The inner frame of the mouth is connected with a diaphragm that can be lifted forward or backward; and a start switch is disposed on the housing unit and electrically connected to the power pack. The dual-purpose vacuum cleaner of claim 1, wherein the fan has a plurality of straight blades protruding outward from the center, and the straight blades are about 45 from front to back. Tilted. The suction and suction vacuum cleaner of claim 2, wherein the housing unit comprises a first housing, a second housing and a rear cover, the first housing and the second housing The front cover portion is formed at the front end portion of the first casing and the second casing, and the rear cover body has a plurality of through holes and covers the first shell And a rear end portion of the second housing. The suction and suction vacuum cleaner of claim 3, wherein the first housing and the second housing each have a transversely connected transverse body shell and a handle shell, the receiving slots being in communication A transverse body receiving groove and a handle receiving groove are formed between the two transverse body shells, and the grip receiving groove is formed between the two grip shells. The suction and suction vacuum cleaner of claim 4, wherein the DC motor, the fan and the dust collecting cylinder are accommodated in the transverse body receiving groove, and the rechargeable battery is received in the handle receiving groove. . The suction and suction vacuum cleaner according to any one of claims 1 to 5, wherein the outer periphery of the nozzle is provided with a cover cylinder. The suction and suction vacuum cleaner according to any one of claims 1 to 5, further comprising a telescopic tube unit that is sleeved on an outer circumference of the nozzle and protrudes forward. The suction and suction vacuum cleaner of claim 7, wherein the telescopic tube unit has a plurality of tubes with inner jackets. The suction and suction vacuum cleaner of claim 8, wherein the front end of the nose frame has an inner inclined surface. The suction and suction vacuum cleaner of claim 7, wherein the outer end of the telescopic unit is sleeved with a cover cylinder. A fan for a dual-purpose vacuum cleaner, the fan having a plurality of straight blades projecting outwardly from the center, and the straight blades are inclined at about 45 degrees from front to back.