TW201633990A - Carpet brush device - Google Patents

Abstract

The disclosed relates to a carpet brush device with a brush for the treatment of a carpet and a housing. The brush is mounted inside the housing having at least an opening downwardly arranged in the region of the brush. The housing has a connection pipe for connecting to a vacuum cleaner, an air inlet opening for having an intake of ambient air and an air channel configured between the air inlet opening and the connection pipe in a circumferentially closed manner. A turbine is arranged inside the air channel, which is rotated by means of air passing through the air channel, and the brush is connected with the turbine; that is, the brush is rotated by the rotation of the turbine. In this way, a carpet brush device is provided, which is easy and inexpensive to manufacture and can be used as an attachment for a vacuum cleaner.

Description

Carpet brush equipment

The present invention relates to a carpet brushing apparatus for treating and/or refurbishing carpet floors or carpets.

A variety of carpet brushing devices having brushes for caring for carpets are known from practical applications. These common carpet brushing devices typically have a housing in which the bottom surface of the housing faces the carpet in the working position of the carpet brushing device for caring for the carpet. A brush for care of the carpet is typically disposed in the housing and protrudes beyond the housing end at least over a portion of the bottom surface of the carpet-facing housing to enable the brush to be applied to the carpet for care. In order to care for the carpet, the brush is usually driven directly by the electric motor and is in rotation so that the slipping of the carpet and/or the loops are particularly upright by the rotation of the brush and the carpet can be repaired thereby.

Such carpet brushing devices are also known as carpet refurbers and have thus been constructed to date as stand-alone carpet care equipment and are commonly found in the household sector in addition to vacuum cleaners and other appliances for the care and cleaning of carpets, thus Hold multiple equipment for caring for carpets.

It is an object of the invention to provide a carpet brushing device which is simple to construct and thus can be manufactured at low cost and which has a carpet Renovate.

The object of the invention is achieved by an independent request item. Preferred embodiments of the invention are given in the dependent claims.

According to the invention, therefore, a carpet brushing device is provided which has a brush and a housing for processing the carpet, in which the brush is mounted and which opens downwards at least in the region of the brush, wherein the shell The body has a connecting pipe for connecting the vacuum cleaner, an air inlet for taking in the surrounding air, and a surrounding air passage formed between the air inlet and the connecting pipe, and an impeller is arranged in the air passage, which can be worn by means of The air flowing through the air passage drives or rotates the impeller, and the brush is coupled to the impeller such that rotation of the impeller causes rotation of the brush.

In general, the invention is based on the following: a carpet brushing device in a working position, wherein in the working position, the carpet brushing device stands on the ground and/or carpet floor and the area and/or configuration of the brush is provided in the housing. On the side facing the ground and / or carpet floor. Thereby, the carpet brush device opens downward in the region of the brush. Furthermore, in the working position, the brush is arranged in the housing in such a way that it can act on the carpet on which the carpet brushing device stands. This is preferably achieved by projecting the brush at least in part over the bottom surface of the carpet-facing housing.

An important aspect of the present invention is that the impeller and the brush are connected to each other by sucking in the surrounding air through the suction port, and the impeller and the brush are connected to each other such that the rotation of the impeller causes the brush to rotate. In this way, the brush is not driven directly, for example, by all the motors of the carpet brushing device, but by orientation from the air inlet to the connecting tube. The air flow that causes the impeller to rotate is driven.

Particularly preferably, the carpet brushing device is constructed in the form of an accessory of the vacuum cleaner, wherein the carpet brushing device can be connected to the vacuum cleaner via a connecting tube, in particular to the vacuuming duct of the vacuum cleaner. The air extractor of the vacuum cleaner connected to the carpet brushing device can suck the ambient air through the air inlet in this manner and thereby generate an air flow oriented from the air inlet to the connecting pipe, thereby rotating the impeller to drive the brush . In this way, the brush of the carpet brushing device can be driven by the air flow generated by the air extractor connected to the vacuum cleaner of the carpet brushing device.

In a preferred refinement of the invention, the housing has a brush chamber in which the brush is arranged, and the brush chamber is separated from the air channel so that the air flow through the air channel Can not reach the brush room. In this way, it is likewise avoided that the ambient air is drawn through the brush chamber. Therefore, the impeller provided in the air passage is driven by the ambient air sucked in through the intake port. In this way, the inhalation of dirt particles, which preferably collect in the brush chamber, is reduced and thus the risk of damage to the impeller by dirty particles may be reduced.

In this context, a brush is understood to be a brush which is provided and designed for cleaning and/or care and/or refurbishing carpet or carpet. Particularly preferably, the brush is provided for applying a conditioning agent to the carpet. In a preferred embodiment of the invention, the brush is embodied in the form of a roller and the longitudinal axis of the brush is aligned on a horizontal line. In this way, in the working position of the carpet brushing device, the longitudinal axis of the brush is arranged parallel to the carpet to be treated. Thus, the carpet can be evenly refurbished over the entire length of the longitudinal axis of the brush.

According to an advantageous embodiment of the invention, the brush is provided with bristles, wherein the bristles are preferably made of natural and/or man-made materials. Particularly preferably, the bristles consist of polybutylene terephthalate (PBT). The advantage of the bristles of PBT is that these bristles are particularly resistant to wear. Therefore, it is possible to provide a brush that is particularly resistant to wear for different carpet floors to be treated.

For refurbishment and for the care of the carpet, the care agent is preferably applied to the carpet floor to be refurbished and/or to be treated and brought into the carpet floor by means of a brush of the carpet brush device. Basically, the care agent can be applied by hand to the carpet floor to be treated. In a preferred embodiment, the housing is provided with a receiving device for receiving a conditioning agent dosing unit. Thus, the care agent dosing unit can be installed into the receptacle of the containment device so that the care agent can be responsible for applying the care agent to the carpet by the carpet brush device.

In this connection, a preferred embodiment of the invention provides that the receiving device is embodied in the form of a frame in which the conditioning agent dosing unit can be mounted. Preferably, the frame is constructed and arranged such that, in the case where the carpet brushing device is placed on the ground, the care agent dosing unit can be mounted from above and even particularly preferably mounted in a direction perpendicular to the ground. In this way, the care agent dosing unit can be conveniently installed in the carpet brushing device.

It is basically sufficient to enable the care agent dosing unit to be installed in the receiving device without the need to provide an additional holding device for the care agent dosing unit. In a preferred embodiment of the invention, it is provided that a clamping device is provided at the receiving device and/or at the conditioning agent dosing unit, so that the care agent is dispensed The unit can be carded with the receiving device in the case of mounting into the receiving device and can thus be fixed.

In a further preferred embodiment, the receiving device and/or the conditioning agent dosing unit are provided with a drive for driving the dosing unit. In this way, in the case where the care agent dosing unit is installed in the accommodating device, the care agent can be applied to the carpet floor to be treated by means of the carpet brush device.

The impeller and the brush can be connected to each other by different mechanical connections. In a preferred embodiment of the invention, the impeller and the brush are mechanically connected to one another via a toothed belt, a transmission and/or a gear, so that the rotation of the brush is caused by the rotation of the impeller. Depending on the selected mechanical connection between the impeller and the brush, rotation from the impeller to the rotation of the brush can be achieved.

In a further preferred embodiment of the invention, the air duct is designed such that the air flow which is oriented from the air inlet to the connecting line is at least once, preferably twice, preferably three times before the impact on the impeller and according to one embodiment. The manner is turned several times, preferably at an angle of a total of 270°, particularly preferably at an angle of a total of 360°. It is particularly preferably provided that the air flow is guided at least once parallel to the longitudinal axis of the brush. In an advantageous manner, the air flow is only deflected twice and suitably only three times before it hits the impeller, wherein within the scope of the invention, the air flow is deflected at an angle of 90° in each steering. The steering through the airflow within the housing of the carpet brushing device can reduce the noise generated by the rotation of the brush and thus reduce the operational noise of the carpet brushing device.

The air inlets can be placed substantially at different locations of the housing to advantageously draw in cleaner ambient air. In a preferred embodiment of the invention, the air inlet is arranged in the side wall and/or on the top surface of the housing and/or in the region of the connecting line. In the case where the intake port is provided on the top surface of the casing, the suction of the dirty particles can be reduced, so that the damage to the impeller caused by the sucked dirt particles can be reduced.

In terms of the arrangement of the air inlet opening on the side wall, a preferred embodiment of the invention provides that the air inlet opening is formed in the side wall at such a height that the carpet brush device is placed on the ground. Between the lower end of the port and the ground 1cm, preferred 2cm separation distance. In this way, the air inlet is arranged in the side wall of the housing such that the ambient air is as clean as possible, thereby avoiding damage to the impeller by sucking dirt particles on the ground.

The invention further relates to a system consisting of a vacuum cleaner and a carpet brushing device, the carpet brushing device having a brush and a housing for processing the carpet, in which the brush is mounted and which is at least in the area of the brush Opened inwardly downward, wherein the housing has a connecting pipe for connecting the vacuum cleaner, an air inlet for sucking in the surrounding air, and a surrounding air passage formed between the air inlet and the connecting pipe, in the air passage Providing an impeller capable of driving the impeller by means of air flowing through the air passage, and the brush is connected to the impeller such that the rotation of the brush is caused by the rotation of the impeller, wherein the carpet brush device passes through the connecting pipe and the vacuum cleaner, In particular, it is connected to the vacuum duct of the vacuum cleaner or can always be connected.

Thus an aspect of the invention is that the carpet brush device is connected by In the case where the tube is connected to the cleaner, the air extractor of the cleaner sucks in the surrounding air through the intake port, whereby the impeller disposed inside the air passage is rotated and the rotation of the impeller is transmitted to the brush. In this way, the carpet brush can be rotated by the air extractor of the vacuum cleaner without having to drive the brush directly through the motor for this purpose.

The invention further relates to the use of a carpet brushing device in combination with a vacuum cleaner, wherein the carpet brushing device has a brush for treating the carpet floor and a housing in which the brush is mounted and which is at least in the brush Opening in the region downwards, wherein the housing has a connecting pipe for connecting with the vacuum cleaner, an air inlet for taking in the surrounding air, and a surrounding air passage formed between the air inlet and the connecting pipe, in the air An impeller is arranged in the passage, and the impeller can be driven or rotated by means of air flowing through the air passage, and the brush is connected with the impeller such that the rotation of the brush is caused by the rotation of the impeller, wherein the carpet brush device is connected The tube is connected to the vacuum cleaner, and the air extractor of the vacuum cleaner generates an air flow, thereby drawing in the surrounding air through the air inlet, the ambient air causing the impeller to rotate and the rotation of the impeller causing the rotation of the brush.

Basically, the preferred embodiment of the carpet brush device according to the invention described above is suitable for both the system according to the invention consisting of a vacuum cleaner and a carpet brush device and also for the use of a carpet brush device in combination with a vacuum cleaner according to the invention.

2‧‧‧Carpet brushing equipment

4‧‧‧ brushes

6‧‧‧Shell

8‧‧‧Connecting tube

10‧‧‧air inlet

12‧‧‧ side wall

14‧‧‧Air passage

16‧‧‧ Impeller

18‧‧‧Toothed belt

20‧‧‧brush vertical axis

22‧‧‧ accommodating device

24‧‧‧brush room

The invention will be described in further detail below with reference to the accompanying drawings. Wherein: Figure 1 shows a refurbishment in accordance with a preferred embodiment of the present invention A top view of a carpet tile apparatus for a carpet floor; Figure 2 shows a three-dimensional view of a carpet brush apparatus in accordance with a preferred embodiment of the present invention.

A carpet brushing device 2 having a brush 4 for caring the carpet floor is shown in FIG. The carpet brushing device 2 has a housing 6 in which the brush 4 is mounted. Furthermore, the housing 6 has a connecting tube 8 for connecting the carpet brushing device 2 to a vacuum cleaner not currently shown. In the housing 6, an air inlet 10 for taking in ambient air is additionally provided in the side wall 12 of the housing 6. Between the air inlet 10 and the connecting pipe 8, a surrounding air passage 14 is formed in the casing 6. An impeller 16 is provided within the air passage 14, which is rotatable by air passing through the air passage 14. The brush 4 and the impeller 16 are mechanically coupled to each other by a toothed belt 18 such that rotation of the impeller 16 causes rotation of the brush 4.

In this manner, the impeller 16 is rotated by sucking the surrounding air through the intake port 10 to the connecting pipe 8. The rotation of the impeller 16 is transmitted to the brush 4 through the toothed belt 18. In the case where the carpet brushing device 2 is connected to the vacuum cleaner through the connecting pipe 8, the impeller 16 can be rotated by the air flow generated by the air extractor provided in the cleaner in such a manner that the brush 4 is thereby driven. Therefore, the carpet brushing device 2 can be used as an attachment to the vacuum cleaner.

The brush 4 is configured in the shape of a roller and the longitudinal axis 20 of the brush is aligned in a horizontal line with the carpet brush device 2 placed on the ground. In this way, the carpet floor to be treated or to be refurbished can be uniformly treated over the entire length of the brush 4.

The brush 4 additionally has a made of polybutylene terephthalate (PBT) Brushing. Such bristles are particularly resistant to wear, so that a brush 4 having wear-resistant bristles can be provided separately for different carpet floors or carpets to be treated or to be refurbished.

For the care and treatment of the carpet, the care agent is applied to the carpet and the care agent is introduced into the carpet by means of the brush 4 by means of the carpet brush device 2. In this regard, the care agent can be applied from the main body by the carpet brushing device 2 and introduced into the carpet to be treated by means of the brush 4. In this regard, the housing 6 of the carpet brushing device 2 has a receiving device 22 for receiving a conditioning agent dosing unit which is not shown further. The accommodating device 22 is constructed in the form of a frame so that the care agent dosing unit can be placed in the carpet brush device 2 from above with the carpet brush device 2 placed on the ground. In the case where the care agent dosing unit is installed, the care agent dosing unit is engaged with the accommodating device 22, thereby fixing the care agent dosing unit in the carpet brush device 2. In this way, the conditioning agent dosing unit is prevented from slipping out of the receiving device 22, particularly during the operation of the carpet brushing device 2.

The frame design of the receiving device 22 and thus the frame-type design of the housing 6, the arrangement of the air inlet 10 in the side wall 12 and the arrangement of the impeller 16 are caused by the air flow generated by the vacuum cleaner in the air passage 14 from the air inlet 10 The direction of the connecting tube 8 is turned multiple times. The steering in the air passage 14 by the air flow can reduce the noise that can be perceived outside the casing caused by the rotation of the brush 4, whereby the operational noise of the carpet brush device 2 can be reduced as a whole.

In Fig. 2, the carpet brushing device 2 shown in Fig. 1 is shown in a three-dimensional view, with the carpet brushing device 2 in its working position. In the working position, the carpet brushing device 2 stands on the ground and/or on the carpet floor. The area of the housing 6 in which the brush 4 is placed is disposed on the side facing the floor and/or the carpet. because Thus, the carpet brushing device 2 is open downwards in the region of the brush 4. Furthermore, in the working position, the brush 4 is arranged in the housing 6, that is to say, it can act on the carpet on which the carpet brushing device 2 stands.

The housing 6 additionally has a brush chamber 24 in which the brush 4 is disposed and which is spaced apart from the air passage 14 such that airflow through the air passage 14 cannot reach the brush chamber 24. In this way it can be ensured that the ambient air is drawn in by the air inlet 10 provided in the side wall 12, so that the suction of the dirt particles can be avoided or at least reduced, thereby avoiding damage on the impeller 16.

The carpet brushing device 2 is suitable as an attachment to a vacuum cleaner. In this regard, the carpet brushing device 2 can be connected to the suction duct of the cleaner through the connecting pipe 8. In this way, ambient air can be drawn in by the air extractor of the cleaner, wherein the ambient air is drawn in through the air inlet 10 of the side wall 12 of the casing 6, thereby generating an air flow from the air inlet 10 to the suction pipe head 8. This air flow causes rotation of the impeller 16, wherein the rotation of the impeller 16 is transmitted to the brush 4. In this way, the carpet brushing device 2 for treating the carpet floor can be driven by the air flow generated by the vacuum cleaner, so that no direct electric drive for the brush 4 is required, in particular in the carpet brushing device 2 Motor set by itself.

2‧‧‧Carpet brushing equipment

4‧‧‧ brushes

6‧‧‧Shell

8‧‧‧Connecting tube

10‧‧‧air inlet

12‧‧‧ side wall

14‧‧‧Air passage

16‧‧‧ Impeller

18‧‧‧Toothed belt

20‧‧‧brush vertical axis

22‧‧‧ accommodating device

Claims (10)

A carpet brushing apparatus having a brush and a casing for treating a carpet floor, the brush being mounted within the casing and the casing being open at least downwardly within the range of the brush Wherein the housing has a connecting tube for connecting with a vacuum cleaner, an air inlet for taking in ambient air, and an air passage closed around the air inlet and the connecting tube, in the air An impeller is disposed in the passage, the impeller can be driven or rotated by air flowing through the air passage, and the brush is coupled to the impeller such that the brush is caused by rotation of the impeller With the rotation. The carpet brush apparatus of claim 1, wherein the housing has a brush chamber, the brush is disposed in the brush chamber, and the brush chamber is spaced apart from the air passage. Thereby the air flow through the air passage is not able to reach the brush chamber. A carpet brush apparatus according to claim 1 or 2, wherein the impeller and the brush are mechanically coupled to each other by a toothed belt, a transmission mechanism and/or a gear, thereby causing rotation by the impeller The rotation of the brush. A carpet brush apparatus according to any one of claims 1 to 3, wherein the air passage is configured such that an air flow directed from the air inlet to the connecting pipe hits the The impeller is turned at least once, preferably a plurality of times, preferably at least in total An angular steering of 270°, particularly preferably an angle of steering of a total of 360° in total. A carpet brush apparatus according to any one of claims 1 to 4, wherein the air inlet is provided in the side wall and/or on a top surface of the casing. A carpet brush apparatus according to any one of claims 1 to 5, characterized in that the air inlet is constructed in the side wall at such a height, that is, the carpet brush device is placed on the ground In the case where the lower end of the air inlet is between the ground and the ground 1cm separation distance, preferably 2cm separation distance. A carpet brushing device according to any one of claims 1 to 6, wherein the housing has a receiving device for receiving a conditioning agent dosing unit. A carpet brush apparatus according to any one of claims 1 to 7, wherein the accommodating device is constructed in the form of a frame, and a care agent dosing unit can be mounted in the accommodating device, preferably from above Mounted into the receiving device. A system comprising a vacuum cleaner and a carpet brushing device according to any one of claims 1 to 8, wherein the carpet brushing device is connected or connectable to the cleaner via the connecting tube. The use of the carpet brush apparatus according to any one of claims 1 to 8, wherein the carpet brush apparatus is used in combination with a vacuum cleaner, wherein the carpet brush apparatus is connected to a vacuum cleaner through a connecting pipe, the air extractor of the vacuum cleaner Generating a gas stream to draw in the surrounding air through the air inlet Gas, driving or rotating the impeller and causing rotation of the impeller to cause rotation of the brush.