TWM543669U - Sucking device of vertical vacuum cleaner - Google Patents

Description

Vacuum cleaner for upright vacuum cleaner

The present invention relates to a vacuum cleaner, and more particularly to a dust suction device for an upright vacuum cleaner.

In order to solve the problem that the hair is wound around the roller brush, a movable blade is disposed inside the tip, and when the blade is operated to move the roller, the hair can be cut, but the blade is also easy to make The bristles on the roller brush are damaged, and if the cotton thread having a thick wire diameter is wound around the roller brush, the blade cannot be cut.

Another type of vacuum cleaner (WO2015087033) is provided with a first passage inside a base, a first suction port that can be externally connected to the first passage, a second passage, and an external passage to the second passage. a second suction port, a roller disposed on the second suction port, and a control valve disposed between the first passage and the second passage. When the operator operates the control valve and blocks the second passage, dust, fines and the like can be sucked into the first passage by the first suction port, which is suitable for use in a hard floor.

When the operator operates the control valve and blocks the first passage, dust, fines and the like can be sucked into the second passage by the second suction port, and the rolling of the roller brush can be applied to the carpet. .

Although the vacuum cleaner is provided with two passages, the control valve is only used to control the dust suction by the first passage or the second passage, and is switched for application to a hard floor or a carpet, and the vacuum cleaner cannot solve the problem. The problem that hair and cotton threads are wrapped around the roller brush.

Therefore, the object of the present invention is to provide a dust suction device for an upright vacuum cleaner which can produce a better dust suction effect and can solve the problem of hair and cotton thread winding.

Therefore, the dust suction device of the novel vertical vacuum cleaner comprises a housing, a roller brush and a driving unit. The housing includes a bottom surface, a top surface opposite to the bottom surface, a main channel disposed between the bottom surface and the top surface, a space disposed between the bottom surface and the top surface, and spaced apart from the main channel a secondary flow channel, a main suction port connected from the bottom surface to the main flow channel, and a front suction port connected to the auxiliary flow channel from the bottom surface, the bottom surface having a leading edge and a transverse axis opposite to the a leading edge of the leading edge, the front suction port is located between the front edge and the main suction port, the first suction opening corresponding to the transverse axis has a first width greater than the front suction opening corresponding to the transverse axis width. The roller brush corresponds to the main suction port and the shaft is disposed in the main flow path. The driving unit is mounted on the housing and is configured to drive the roller to generate rotation.

The utility model has the advantages that the front suction port is located between the front edge and the main suction port, and the hair, the cotton thread and the like can be sucked first, and then the main suction port and the roller brush can absorb dust, not only the dust, but not only the main suction port and the roller brush. It can improve the dust collection efficiency and solve the problem of hair winding brush.

Referring to FIG. 1 and FIG. 2, an embodiment of the vacuum cleaner 100 of the present invention is further provided with a body 200. The dust collecting device 100 is mounted on the bottom of the body 200 and includes a housing 10 and a roller brush. 20 and a drive unit 30.

The housing 10 is formed by the lower housing 11 and the upper housing 12, and a spacer 13 is disposed between the lower housing 11 and the upper housing 12, and the spacer 13 is A main flow path 14 is formed between the lower casings 11, and a secondary flow path 15 is formed between the spacers 13 and the upper casing 12.

Referring to FIG. 3 and FIG. 4, the housing 10 further includes a bottom surface 16, a top surface 17 opposite to the bottom surface 16, a main suction opening 18 connected to the main flow path 14 by the bottom surface 16, and a bottom surface 16 is connected to the front suction port 19 of the auxiliary flow path 15. The main flow path 14 and the auxiliary flow path 15 are separated from each other by the spacer 13 , and the main flow path 14 and the auxiliary flow path 15 are disposed between the bottom surface 16 and the top surface 17 . The bottom surface 16 has a front edge 161, a rear edge 162 opposite to the front edge 161 along a transverse axis X, a front side portion 163 adjacent to the front edge 161, and a front side portion 163 and the rear edge portion 162. A rear side portion 164 and a turning portion 165 interposed between the front side portion 163 and the rear side portion 164. The front suction port 19 is located between the front edge 161 and the turning portion 165 and is disposed on the front side portion 163. The front side portion 163 is inclined, and gradually extends upward when the turning portion 165 extends toward the front edge 161. The main suction port 18 is disposed on the rear side portion 164, and the height of the front suction port 19 is higher than the main suction port 18. A first width W1 of the main suction opening 18 corresponding to the transverse axis X is greater than a second width W2 of the front suction opening 19 corresponding to the transverse axis X. The front suction opening 19 has a bottom edge 191 adjacent to the turning portion 165. The vertical height of the bottom edge 191 and the turning portion 165 is between 3 mm and 4 mm. Preferably, the front suction opening 19 has a second width corresponding to the transverse axis X of 2 mm. The other end of the main channel 14 opposite to the main suction port 18 can be connected to a dust collecting space (not shown) inside the body 200. The auxiliary flow path 15 is connected to a hose at the other end of the front suction port 19 and connected to the dust collecting space (not shown) inside the body 200.

The main suction port 18 corresponds to a first length L1 of a long axis Y perpendicular to the transverse axis X, and is smaller than a second length L2 of the front suction port 19 corresponding to the long axis.

The roller brush 20 corresponds to the main suction port 18 and the shaft is disposed in the main flow channel 14.

The driving unit 30 is mounted on the housing 10 and is used to drive the roller brush 200 to generate rotation. The power source of the driving unit 30 can be the same power source as the body 200 (the power source is a motor, which is not the focus of the present invention. The figure is not shown).

As shown in FIG. 4 and FIG. 5, when the power source of the body 200 is activated, the driving unit 30 can drive the roller brush 20 to rotate, and the suction is generated by the main suction port 18 and the front suction port 19, and the suction is utilized. The front suction port 19 is located on the front side of the main suction port 18, and the height of the front suction port 19 is higher than the function of the main suction port 18. The front suction port 19 can absorb lighter hair when cleaning the hard floor. Cotton thread, dust, etc. can effectively improve the hair cleaning efficiency. The main suction port 18 can absorb the finer fine particles with the roller brush 20, and can effectively improve the dust removal efficiency.

Therefore, after the front suction port 19 first absorbs light hair, cotton thread, and dust, the hair and the cotton thread are prevented from being entangled on the roller brush 20, so that the roller brush 20 that passes through the main suction port 18 absorbs the mass. Heavy fines can effectively improve dust removal efficiency.

Refer to IEC60312-1; 2010 Household Vacuum Cleaner (Dry Vacuum Cleaner) Performance Test Method: Test Voltage (v): 120V Base Suction: 70iow Test Carpet: Shear, Hair Length 7mm Total Weight of Test Material: 125g Test Area: Length is 700mm, The width is the base width test method: firstly weigh the dust bag, then evenly sprinkle the test object in 125g test object, the vacuum cleaner turns on the power and reciprocates back and forth 5 times at a speed of 0.5m/s, removes the dust bag and weighs it. The weight of the test object in the bag divided by the total weight of the test object is the dust removal efficiency.

According to the actual test results of the above test methods, the dust removal efficiency of the new type can reach 84% after five operations, and under the same test conditions, the dust removal efficiency of the existing vacuum cleaner is significantly improved by 6.4%. effectiveness. And the dust removal efficiency level can be upgraded from E to C.

In summary, the dust suction device of the novel vertical vacuum cleaner utilizes the overall structural design to not only improve the dust removal efficiency, but also prevent the hair and the cotton thread from being wound around the roller brush 20, and the overall structure is simple, the manufacturing assembly is easy, and There is a problem of damaging the roller brush 20, so the purpose of the present invention can be achieved.

However, the above is only the embodiment of the present invention, and when it is not possible to limit the scope of the present invention, all the simple equivalent changes and modifications according to the scope of the patent application and the contents of the patent specification are still This new patent covers the scope.

100‧‧‧Dust collector
10‧‧‧Shell
11‧‧‧ Lower case
12‧‧‧Upper casing
13‧‧‧ spacers
14‧‧‧mainstream
15‧‧‧Sub-channel
16‧‧‧ bottom
161‧‧‧ leading edge
162‧‧‧ trailing edge
163‧‧‧ front side
164‧‧‧ rear side
165‧‧‧ turning section
17‧‧‧ top surface
18‧‧‧ main mouthpiece
19‧‧‧Pre-sucking mouth
191‧‧‧ bottom edge
20‧‧‧Rolling brush
30‧‧‧Drive unit
200‧‧‧ body
X‧‧‧ transverse axis
Y‧‧‧Long axial
W1‧‧‧ first width
W2‧‧‧ second width
L1‧‧‧ first length
L2‧‧‧ second length

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: Figure 1 is a schematic view of an embodiment of a vacuum cleaner of the present type of vertical vacuum cleaner; Figure 2 is an embodiment of the present invention; 3 is an exploded perspective view of the embodiment. FIG. 4 is a schematic cross-sectional view of the embodiment; and FIG. 5 is another schematic cross-sectional view of the embodiment.

100‧‧‧Dust collector

10‧‧‧Shell

11‧‧‧ Lower case

12‧‧‧Upper casing

13‧‧‧ spacers

14‧‧‧mainstream

15‧‧‧Sub-channel

16‧‧‧ bottom

161‧‧‧ leading edge

162‧‧‧ trailing edge

163‧‧‧ front side

164‧‧‧ rear side

165‧‧‧ turning section

17‧‧‧ top surface

18‧‧‧ main mouthpiece

19‧‧‧Pre-sucking mouth

191‧‧‧ bottom edge

20‧‧‧Rolling brush

X‧‧‧ transverse axis

W1‧‧‧ first width

W2‧‧‧ second width

Claims (6)

A dust suction device for an upright vacuum cleaner, comprising: a housing, comprising a bottom surface, a top surface opposite to the bottom surface, a main channel disposed between the bottom surface and the top surface, and a bottom surface and the top portion a secondary flow channel between the faces and spaced apart from the main flow channel, a main suction port connected to the main flow channel from the bottom surface, and a front suction port connected to the auxiliary flow channel from the bottom surface, the bottom surface having a front surface The edge is opposite to the trailing edge of the leading edge, the front suction port is located between the front edge and the main suction opening, and the first suction opening corresponds to a first width of the transverse axis is greater than the front edge The suction port corresponds to a second width of the transverse axis; a roller brush corresponding to the main suction port and the shaft is disposed in the main flow channel; and a driving unit mounted on the housing and used to drive the roller to generate rotation. The dust suction device of the vertical vacuum cleaner of claim 1, wherein the bottom surface of the housing includes a front side portion adjacent to the front edge and a rear side portion between the front side portion and the rear edge portion, the front side portion The front suction port is disposed on the rear side portion, and the front suction port is disposed at the front side portion, and the front suction port is higher in height than the front side edge. Main suction. The dust suction device of the upright vacuum cleaner of claim 2, wherein the housing further has a turning portion between the front side portion and the rear side portion, the front suction opening having a bottom adjacent to the turning portion The edge, the vertical height of the bottom edge and the turning portion is between 3 mm and 4 mm. The dust suction device of the upright vacuum cleaner of claim 1, wherein the front suction opening of the housing corresponds to a second width of the transverse axis of 2 mm. The dust suction device of the vertical vacuum cleaner of claim 1, wherein the main suction opening of the housing corresponds to a first length perpendicular to a longitudinal axis of the transverse axis, and the front suction opening corresponds to the length a second length of the axial direction. The dust suction device of the vertical vacuum cleaner of claim 1, wherein the housing is formed by the lower housing and the upper housing, and another between the lower housing and the upper housing. a spacer, a main flow path is formed between the spacer and the lower case, and the auxiliary flow path is formed between the spacer and the upper case, and the main flow channel and the auxiliary flow channel utilize the spacer Separated from each other.