JPH0321719Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a vacuum cleaner equipped with a suction port on the upper surface of the main body case.

[Prior Art] Figures 7 and 8 show a conventional suction port shown in, for example, Japanese Utility Model Publication No. 48-42760, which has an opening/closing lid on the top surface of the main body and connects a dust suction hose to the top surface of the opening/closing lid. FIG. 7 is a cross-sectional side view of the main part in the cleaning state, and FIG. 8 is a cross-sectional side view of the main part in the filter dust removal state.

In the figure, 87 is the main body of the vacuum cleaner, 88 is a dust collection case, 89 and 90 are filters, 91 is an opening/closing lid that covers the top of the dust collection case 88, and 92 and 93 are slides on the lower and upper surfaces of the filters 89 and 90. 94 is a dust suction hose.
Reference numeral 95 designates a suction cylinder, and inside this suction cylinder 95 there is a rotatable cylinder 99 which has a suction port 96 at its center and is integrally formed with a flange 98 having a knob 97 at its upper edge. It is attached in such a way that it is prevented from coming off in the direction. Scraping brushes 92 and 93 are fixed under this rotary cylinder 99, and the lower sides thereof are fitted into dust removal holes 100 of the filter 89 as shown in FIG. When the filter 89 or 90 is about to become clogged, the user pulls out the suction pipe 94, grasps the knob 97, and rotates the rotating cylinder 99 in any direction. At this time, since the dust removal hole 100 is in an open state, the writing brushes 92 and 93 are scraping off the fine dust captured by the filters 89 and 90.

Next, FIG. 9 is a cross-sectional view of a conventional vacuum cleaner disclosed in, for example, Japanese Utility Model Publication No. 17750/1982, in which a suction port to which a dust extraction hose is detachably connected is provided in the main body case.

In the figure, 109 is the vacuum cleaner body, 101 is an electric blower, 102 is a dust collecting cylinder, 103 is a cloth bag provided inside the dust collecting cylinder 102, 104 is a front lid, and 105 is a suction inlet of the front lid 104. 106 is a check valve made of a soft rubber material, 107 is a rear lid, and 108 is an intake hole in the rear lid.

As shown in FIG. 9, a conventional vacuum cleaner is provided with a check valve 106 made of a soft rubber material.
When the hose is not connected to the suction port 104,
This suction port 104 was closed to prevent dust accumulated inside from leaking to the outside.

FIG. 10 is a sectional view of a main part of a dust suction port of a central type dust suction device installed in a building as disclosed in, for example, Japanese Utility Model Publication No. 51-22551.

In the figure, 109 is the side wall of the building, 110 is a cylinder buried in the side wall 109, 111 is a dust intake port,
Reference numeral 112 denotes a lid that naturally falls inside the cylinder 110 and closes the dust suction port 111, 113 is a handle provided on the lid 112, and 114 is a dust suction pipe that is connected to the dust suction port 111 opened by pushing up the lid 112 with the handle 113.

Since the one shown in FIG. 10 is intended for a central type dust suction device installed in a building, the dust suction port 111 is provided on one fixed side wall 109, and the dust suction port 111 is provided on a fixed side wall 109. Dust suction hose 1 connected to the dust suction port 111 inside the room on the side
14, and its purpose is different from that of a normal electric vacuum cleaner.

[Problem to be solved by the invention] In the conventional vacuum cleaner as shown in FIGS. 7 and 8 above, in order to drive the dust removal brushes 92 and 93 of the rotary cylinder 95 and the filters 89 and 90, Although it is rotatably provided, the dust suction hose 94
is inserted and used for cleaning, the lower side of the dust suction hose 94 fits into the dust removal hole 100 of the filter 89, and the dust suction hose 94
cannot be rotated, so when the dust suction hose 94 is inserted, for example, facing the front as shown in Figure 7, if you try to clean in a direction other than the front, the direction of the vacuum cleaner body 87 will change. Also, when the direction of the vacuum cleaner body 87 is changed, the load due to the weight of the entire vacuum cleaner body 87 is applied to the contacting or bent portions of the hose 94, causing the hose 94 and the body 87 to be crushed or distorted. There was a problem that damage occurred.

Further, in the conventional vacuum cleaner shown in FIGS. 7 and 8, when the dust suction hose 94 is taken out, the suction port 9
6, the outside air and the inside of the dust collection case 88 are always in communication, so the dust collected in the dust collection case 88 tends to scatter, making it extremely unsanitary.Furthermore, since the suction port is on the top, it is difficult to use the case. There was a problem in that the person had to directly look at the dust accumulated inside the dust collection case 88, making it look very unsightly.

In the conventional vacuum cleaner as shown in FIG. 9, the suction port 104 is simply blocked by a check valve 106 made of soft rubber, so it may open due to deterioration of the check valve, causing internal leakage. There were problems in that it was unsanitary as the accumulated dust would scatter, and that it was unsightly as the inside of the suction port could be seen directly when the hose was not connected.

This invention was made to solve such problems in vacuum cleaners, and the purpose is to provide a sanitary vacuum cleaner in which the dust suction hose is detachable and rotatable.

[Means for Solving the Problems] A vacuum cleaner according to the present invention is provided with a suction port to which a dust suction hose is connected to the top surface of the main body case, in which a vacuum cleaner in the main body case near the suction port is provided. A rotating tool is provided to rotatably hold the dust suction hose, and a shutter is provided to partition the rotating tool from the outside of the main body case when the dust suction hose is not connected to the suction port. It is something.

[Function] The vacuum cleaner of this invention has a hose that is detachable and rotatable, and the rotary tool more reliably prevents stains and is less likely to be damaged or distorted, making it highly durable. The dust inside the dust collection chamber is always prevented from scattering outside, making it sanitary, and it also looks good because the inside of the dust collection chamber cannot be seen through the suction port on the top of the main body.

[Example] An example of this invention will be described below with reference to FIGS. 1 to 6.

Fig. 1 is an external view of a vacuum cleaner showing an embodiment of this invention, Fig. 2 is a sectional view of the main parts, Fig. 3 is a top view of the fixture, Fig. 4 is a longitudinal sectional view of the fixture, and Fig. 4 is a longitudinal sectional view of the fixture. FIG. 5 is a sectional view of the main part with the shutter closed, and FIG. 6 is a perspective view of the same.

In the figure, reference numeral 1 denotes a main body case that is formed by upper and lower cases 2 and 3, and has a handle 3a at the front and an exhaust port 4 at the rear, the width being wider than the height.
A blower 5 and a cord reel (not shown) are stored in parallel in the vicinity.

Numeral 6 is a leg when the main body is used in an upright position, and is formed near the exhaust port 4, and has an auxiliary exhaust port 7 inside.
is formed.

A bumper 8 is sandwiched between the upper and lower cases 2 and 3, and also serves to airtight the inside and outside of the main body case 1.

9 is a pair of rear wheels attached to the rear of the lower case 3, 10 is a caster attached to the front of the lower case 3, and 11 is a flexible hose 12 fixed to the end of this hose at an angle of about 105 degrees. This is a dust suction hose formed from a bent connection pipe 13, and the connection bend pipe 13 is detachably supported by a suction port 15, which will be described later. 33 is a filter outlet 3 provided at the front of the upper case 2.
15 is an opening/closing lid whose rear end is rotatably supported by the upper case 2 via a twist spring 35, and whose tip is held by a latch 36 supported by the upper case 2; A suction port formed on the top surface and having a knob storage portion 37 in a part thereof,
It is located directly above the caster 10.

38 has a communication port 39 at a position facing the suction port 15, and has a storage space 4 between it and the opening/closing lid 33.
An inner lid 41 is attached to the opening/closing lid 33 so as to form an inner lid 33, and a gasket A 44 is attached to the communication port 39, and a gasket A 44 is attached to the periphery of the suction port 43 of a bag-shaped disposable paper filter 42.
(Figures 3 and 4) is a rotary tool attached to the upper side of the intermediate opening 46 in the center of the fixed plate 45.
A sliding plate 48 is rotatably attached to the suction port plate 47 and the lower side thereof. A main suction port 49 is formed in the center of the suction port plate 47, and a connecting bent pipe 1 of the hose assembly 11 is formed around the main suction port.
A mechanism is provided for mechanically and electrically connecting 3.

That is, a discharge port 55 is formed in the center of the sliding plate 48, and the outer peripheral wall surface 56 is electrically connected to the terminal receiving plates 51 and 52 that contact the electrical connection part (not shown) on the connecting bent pipe 13 side. The rotary connection plates 57 and 58 to be connected are wound and fixed in two rows, upper and lower, so that they do not come into contact with each other.

59 and 60 have both ends connected to the rotary connection plates 57 and 58.
The fixing plates 45 are fixed in positions facing each other by a fixed connecting plate which is electrically connected by pressing the fixing plates 45 together.

Further, one ends of the fixed connection plates 59 and 60 are electrically connected to the blower 5 by leads 61 and 62, respectively.

63 is a dirt drop hole A formed on the outer periphery of the intermediate opening 46 of the fixed plate 45 to prevent dirt from accumulating on the fixed plate 45 and interfering with the rotation of the suction port plate 47;
Reference numerals 64 and 65 denote dirt drop holes B that allow the dirt that has entered through the dirt drop hole A 63 to fall onto the inner lid 38 without being deposited on the sliding plate 48; It rotates smoothly.

A check valve 66 is made of a soft rubber material and is held between the suction port plate 47 and the sliding plate 48 to prevent backflow of dirt.

Reference numeral 67 denotes a rotary gasket for sealing, one end of which is attached to the outer periphery of the discharge port 55 of the sliding plate 48, and the other end of which is rotatably pressed against the outer periphery of the intermediate opening 39 of the inner lid 38;
A shutter 68 is slidably supported between the suction port 15 and the inclined support wall 69 of the fixed plate 45, and has a knob 70 at its tip and stop pieces 71, 72 at its rear end. The stop pieces 71 and 72 are the shutter 68
A stop protrusion 7 provided on the opening/closing lid 33 to prevent the opening/closing lid 33 from moving.
It is supported by 3.74.

The knob storage section 37 in front connects the hose to the suction port 15.
This is for retracting the knob 70 of the shutter 68 to a position where it does not interfere with the hose connection when connecting the hose.

Reference numeral 75 denotes a dust-collecting filter box with an opening on the top surface, the flange portion 77 of which is supported by the opening 76 of the upper case 2 through a sealing filter packing 78, and a disposable paper bag filter 42 is supported on the inside top surface. Support surface and mount support pin 7
9 and 80 are formed.

Box support pins 85 and 86 are formed below the filter box 75 and protrude inside the lower case 3.

This invention is constructed as described above, and its operation will be explained.

When the latch 36 is operated, the opening/closing lid 33 opens upward by the twisting spring 35, and the filter outlet 3
Open 4.

Next, the disposable paper bag filter 42 is inserted into the support pins 79 and 80 of the filter box 75 and placed in the opening of the filter box. Thereafter, by engaging the opening/closing lid 33 with the latch 36, the gasket A41 is brought into pressure contact with the periphery of the suction port 43 of the mount 83.

Turn the knob 70 of the shutter 68 into the knob housing 3.
7 to open the suction port 15, and the connecting bent pipe 13 of the hose assembly 11 is connected to the terminal receiving plate 51, 5.
2 and are electrically connected to each other. Further, the tip of the connecting bent pipe 13 passes through the suction port 43 of the paper bag filter 42 and is located inside the paper filter 84. In this state, the blower 5 is rotated for cleaning. At this time, since the rotary tool 44 is rotatably supported in the storage space 40, the hose assembly 11 can freely rotate around the connecting bent pipe 13, so that the hose assembly 11 will not be twisted or twisted during cleaning. will not rotate and collide with furniture, etc. and cause damage.

In this invention, when the vacuum cleaner is not in use, by closing the suction port 15 with the shutter 68 as shown in Fig. 2, it is possible to prevent dust from spilling and dust mites coming out. When opened, the knob 70 is located in the receptacle 37 provided on the periphery of the suction port 15, and does not interfere with the connection of the connecting bent pipe 13 to the suction port 15 and the rotation of the pipe. .

[Effects of the invention] As described above, according to this invention, a rotary tool for rotatably holding the dust suction hose is provided inside the main body case near the suction port on the top surface of the main case, and the rotating tool and the outside of the main case are connected to each other. Since a shutter is provided to separate the two sides, the hose can be attached and detached and rotated freely, and the rotating tool is more reliably prevented from getting dirty.
Not only is it highly durable as it is less prone to damage or distortion, the shutter always prevents dust from scattering outside the dust collection chamber, making it hygienic. It has the unique effect of looking good because it is not visible.

[Brief explanation of the drawing]

Fig. 1 is an external view of a vacuum cleaner showing an embodiment of this invention, Fig. 2 is a sectional view of the main parts, Fig. 3 is a top view of the fixture, Fig. 4 is a longitudinal sectional view of the fixture, and Fig. 4 is a longitudinal sectional view of the fixture. Figure 5 is a sectional view of the main parts with the shutter closed, Figure 6 is a perspective view of the exterior, and Figures 7 and 8 are from the 1970s.
9 is a side sectional view of the conventional vacuum cleaner described in Japanese Utility Model Publication No. 45-17750, and FIG. FIG. 2 is a sectional view of a main part of the central dust suction device described in the publication. In the figure, 1 is the main body case, 4 is the exhaust port, 15
is the suction port, 33 is the opening/closing lid, 37 is the knob storage area,
68 is a shutter, and 70 is a knob.

Claims (1)

[Scope of utility model registration request] In a vacuum cleaner equipped with a suction port to which a dust suction hose is connected on the upper surface of the main body case, a rotating tool for rotatably holding the dust suction hose is provided in the main body case near the suction port, and the A vacuum cleaner comprising a shutter that partitions the rotary tool and the outside of the main body case when the dust suction hose is not connected to the suction port.