EP2823744B1 - Vacuum cleaner - Google Patents

Description

The present invention relates to a vacuum cleaner, in particular a vacuum-assisted vacuum cleaner, with a dust collection container for collecting dust and waste, and provided on this dust collector key device for locking the dust collector in the vacuum cleaner.

Technical background

A vacuum cleaner is a cleaning appliance that finds wide application in the household and can suck the accumulation of dust or waste on floor, carpet, wall or other surface in a waste collection device. A vacuum cleaner usually comprises a main body having an internal negative pressure generating means, a connecting hose and a suction nozzle, wherein the negative pressure generating means generates by suction in the main body, a suction force, under the influence of the dust or waste containing air is sucked in via the suction nozzle and the connecting tube. In the main body of a vacuum cleaner, an air filter unit, for example, a cyclone separator is also provided which separates larger waste particles from the air with the aid of centrifugal force and collects in the waste collection device, while the separated air is discharged via a discharge grille provided on the housing.

At one off CN 101744575 A Known jam suction is provided on the dust collection container, a handle on which a button is arranged so that the user can install the dust collection container in the main body of the vacuum cleaner or remove it by means of this handle and button. However, in a smaller dust collecting container, the provision of a handle to the design of the structure is restrictive, and the appearance of the vacuum cleaner is also by the protruding out of the handle of the Dust collection container visually impaired.

By the US 2002/088 077 A1 is a vacuum cleaner with a dust collection container for collecting dust and waste, and provided on this dust collector key means for locking the dust collector in the vacuum cleaner, wherein the key means is a voltage applied to an outer wall of the dust collector key frame with which a user Removing or installing dust collector.

Next reveal the US 6,195,835 B1 and the US Pat. No. 6,868,578 B1 Such vacuum cleaner with such a dust collector.

Disclosure of the invention

It is an object of the present invention to provide a vacuum cleaner having a dust collection container improved in construction to realize a rational and visually appealing overall structure of the dust collector.

The object is achieved by a vacuum cleaner with the features of claim 1.

By "abutment" is meant that one side of the keyframe bears against an outer surface of the dust collection container.

Advantageous embodiments and developments, which are used individually or in combination with each other, are the subject of the dependent claims.

In a development of the present invention, the keyframe preferably takes the Shape of a flat box. The design of the keyframe as a flat box is better adapted to both the overall construction of the dust collector, as well as the operating needs for the hands of a user.

In a further development of the present invention, the keyframe preferably has two side walls for holding and / or optionally also for operation by a user. Such a configuration of both side walls of the key frame contributes to a more favorable operation by the hands of a user.

According to the invention buttons are provided in the key frame and a moving under the action of these buttons in the key frame locking tongue.

Also according to the invention, two buttons are provided, the outer pressure parts are arranged on both side walls of the key frame. Such a configuration contributes both to the holding and to the operation of this key frame by the hands of a user.

In a preferred embodiment of the present invention, elastic parts are connected to the lower end of the locking tongue, which rest on movement of the locking tongue under the action of the button on the inner bottom of the key frame, creating an elastic deformation and thus an upward force on the locking tongue force can be effected.

In a development of the present invention, the locking tongue and the elastic part made of plastic and / or formed in one piece. With such a configuration, the manufacturing costs can be significantly reduced, and / or the manufacturing and assembly processes can be improved.

In a preferred embodiment of the present invention, rotary shafts are provided in the key frame, the respective button has a rotary end and a sliding, and on the locking tongue Gleitnute are arranged, wherein the rotary end of the respective button is mounted on a rotary shaft, while the sliding in the Sliding groove is provided. This has the advantage that when pressing the outer pressure part from the outside, the button rotates about the rotary shaft, and the sliding slides in the sliding groove, while the locking tongue moves down. In such a configuration, the probe rotates advantageously about a fixed rotary shaft, whereby a reliable movement of the probe ensures, and a sticking during movement is largely avoided.

In a further development of the present invention, fastening parts are provided on the dust collecting container, preferably at least two, via which the key frame is fastened to the dust collecting container.

In a development of the present invention, the fastening parts are preferably four, latching hooks, by means of which the key frame can be attached to the dust collecting container in a manner that engages behind. With such a configuration, no additional screws are required for attaching the entire key frame to the dust collection container, which contributes to an improved manufacturing process.

The present invention provides an embodiment with which a keypad can serve both for operation and as a handle, and thus can contribute to easy handling of the dust collection container by a user and a reasonable and visually appealing designed overall construction of the dust collection container of a vacuum cleaner.

Presentation of the pictures

The present invention will be explained in more detail below with reference to an exemplary embodiment and with reference to the figures.

• ABB 1 eine zweidimensionale schematische Darstellung eines Staubsaugers gemäß der vorliegenden Erfindung;
• ABB 2 eine schematische Darstellung des Aufbaus des Staubsammelbehälter mit eingebautem Tastenrahmen und entfernter Tastenabdeckung; und
• ABB 3 eine Explosionsdarstellung des Staubsammelbehälters und des Tastenrahmens.

They show schematically:

• FIG. 1 is a two-dimensional schematic of a vacuum cleaner according to the present invention; FIG.
• FIG. 2 a schematic representation of the structure of the dust collecting container with built-in key frame and remote key cover; FIG. and
• FIG. 3 shows an exploded view of the dust collection container and the key frame.

Reference numerals:

• 100-vacuum cleaner;
• 10 main body;
• 20-handle;
• 21 switch;
• 30 aspiration;
• 40-cleaning head;
• 50 dust collection container;
• 51-fastening part, latching hooks;
• 60-key device;
• 61-left side wall;
• 62 -right side wall;
• 63 switch;
• 631-external pressure part;
• 632-rotating;
• 633-Moving;
• 64-lock tongue;
• 641 elastic part;
• 642-slide groove;
• 64-ground;
• 66 rotation shaft;
• 67-key cover;
• 68-key frame.

Description of specific embodiments

The handheld vacuum cleaner 100 shown in FIG. 1 comprises a main body 10, a handle 20 with a switch 21 provided thereon, a suction hose 30, and a cleaning head 40. The main body 10 has a plastic housing (not shown) in which a vacuum generating device (not shown) is provided. and a battery (not shown), in particular a rechargeable battery, are provided for the power supply of the vacuum cleaner. The negative pressure generating means includes a motor (not shown) and a fan unit (not shown), and sucks dust and waste-containing air into the main body 10 by the suction force supplied to the cleaning head via the air passage formed in the suction tube 30 Furthermore, a separator device (not shown) is generally provided, which serves for separating dust and / or waste particles from the air stream and its collection in the dust collecting container 50. The separator device usually comprises a so-called HEPA filter (High Efficiency Particulate Air) provided in the air duct, which is characterized by passing the air and retaining minute particles. A typical filter consists of superimposed glass fiber sheets with a flaky microstructure for retaining the minute dust particles contained in the air passing through the filter, and a commonly used HEPA filter can realize a filtration efficiency of 99.99% for 0.3μm diameter particles the air discharged from the main body 10 of the vacuum cleaner is cleaner than the original room air. Of course, the separator can also comprise a cyclone separator provided upstream of the air duct, which separates larger dust and / or waste particles under the effect of centrifugal force, before smaller dirt particles are filtered off by the HEPA filter arranged downstream of the air duct. The discharged airflow is discharged via an exhaust port (not shown) provided on the housing of the main body, which is usually covered by a blowout grill.

FIG. 2 shows a schematic representation of the structure of a dust collection bin 50 with built-in key frame 68 of a key device 60 and with the key cover 67 removed, and FIG. 3 shows the exploded view of the dust bin 50 and the key frame 68. As shown in both figures, the key frame 68 for example, a left side wall 61 and a right side wall 62, with which a user can take the key frame 68 more easily in his hand and hold. In the key frame 68, there are preferably provided buttons 63 and a locking tongue 64, which is compressed by the action of the buttons 63. The button 63 includes an outer pressing part 631, a rotating end 632 and a sliding end 633. In the key frame 68, there are provided rotary shafts 66 on which the rotating ends 632 of the keys 63 are fitted while the outer pressing portion 631 is passed through the side wall of the key frame 68 and provided thereon. On the locking tongue 64 Gleitnute 642 are also provided, in which the sliding 633 of the button 63 are installed. At the lower end of the locking tongue 64 are elastic parts 641, for example springs, which may be integrally formed with the locking tongue 64 molded plastic spring parts connected to the movement of the locking tongue 64 down under the action of the button 63 on the bottom 65 in engage the key frame 68 of the key device 60, whereby an elastic deformation and thus an upward force acting on the locking tongue 64 are effected.

Holding the entire key frame 68 in one hand and pressing the outer pressing members 631 of the keys 63 by a user, the keys 63 rotate inward about the pivot shafts 66, and the slider 633 of the keys 66 slide in the sliding grooves 642 and force the locking tongue 64 downward, so that the locking tongue 64 is pressed down. At this time, the elastic pieces 641 are pushed down by the locking tongue 64 and elastically deform so that the whole dust collection box 50 can be unlocked and removed from the main body 10 via the key frame 68 of the key device 60. When installing the dust collecting container 50 into the main body 10, one only needs to hold the key frame 68 in his hand, press the keys 63, thereby placing the dust collector 50 in the main body 10, and then release the keys 63. Then, the force applied to the keys 63 by the lock tab 64 disappears, and the elastic members 641 return to their original shape, exerting a spring force on the lock tab 64 upwardly, so that the lock tab 64 engages the main body 10, and thus the locking of the dust collection container 50 in the main body 10 is realized.

As is apparent from ABB 3, are provided on the outer surface of the dust collection container 50, preferably four, latching hooks 51 as fastening parts, via which the key frame 68 of the key device 60 by snapping on the Dust-collecting container 50 is attached, so that advantageously no screws for fixing the key frame 68 of the key device 60 to the dust collector 50 are required, which contributes to a simplified assembly process.

In summary, the present invention relates to a vacuum cleaner 100 with a dust collection container 50 for collecting dust and waste, and provided on this dust collector 50 key device 60 for locking the dust collection container 50 in the vacuum cleaner 100th

It is characterized by the fact that the key device 60 is a button frame 68 adjacent to an outer wall of the dust collecting container 50, with which a user can remove or install the dust collecting container 50.

With such a configuration, the key frame 68 can serve both for operation and as a handle, and thus contribute to easy handling of the dust collection container by a user and a reasonable and visually appealing designed overall construction of the dust collection container 50 of a vacuum cleaner 100.

The explanations heretofore given serve to exemplify the embodiments of the invention which should not be construed as limiting the scope of the invention. Rather, equivalent embodiments as well as various modifications within the scope of the basic ideas of the invention are also included within the scope of the invention.

Claims (5)

1. Vacuum cleaner (100) with a dust collection container (50) for collecting dust and debris, and a button device (60) provided on said dust collection container (50) for locking the dust collection container (50) in the vacuum cleaner (100), wherein the button device (60) is a button frame (68) abutting an exterior wall of the dust collection container (50), with which a user can remove or install the dust collection container (50), and wherein in the button frame (68) there is provision for buttons (63) and a locking tab (64) moving under effect of said button (63) in the button frame (68), characterised in that two buttons (63) are provided, the external pressure parts (631) of which are arranged on both side walls (61, 62) of the button frame (68).
2. Vacuum cleaner (100) according to claim 1, characterised in that elastic parts (641) are connected to the lower end of the locking tab (64), which abut the interior base (65) of the button frame (68) when the locking tab (64) is moved down under the effect of the buttons (63), whereby an elastic deformation and therefore a force acting upwards on the locking tab (64) are effected.
3. Vacuum cleaner (100) according to one of claims 1 to 2, characterised in that the locking tab (64) and the elastic part (641) are manufactured from plastic.
4. Vacuum cleaner (100) according to one of claims 1 to 3, characterised in that the locking tab (64) is formed in one piece with the elastic part (641).
5. Vacuum cleaner (100) according to one of claims 1 to 4, characterised in that there is provision for rotating shafts (66) in the button frame (68), the respective button (63) has a rotating end (632) and a sliding end (633), and sliding grooves (642) are arranged on the locking tab (64), wherein the rotating end (632) of the respective button (63) is mounted on a rotating shaft (66), while the sliding end (633) is provided in the sliding groove (642).

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