CN210354558U

CN210354558U - Vacuum cleaner nozzle and household vacuum cleaner comprising such a vacuum cleaner nozzle

Info

Publication number: CN210354558U
Application number: CN201920315129.XU
Authority: CN
Inventors: 克里斯泰勒·菲利普; 维吉妮·波特拉; 让-达米安·维维耶
Original assignee: SEB SA
Current assignee: SEB SA
Priority date: 2018-03-14
Filing date: 2019-03-13
Publication date: 2020-04-21
Anticipated expiration: 2029-03-13
Also published as: CN110269545B; FR3078877B1; ES2919957T3; CN110269545A; EP3539433A1; EP3539433B1; FR3078877A1

Abstract

The utility model relates to a dust collector suction nozzle and a household dust collector comprising the same. The vacuum cleaner nozzle (2) comprises a sole plate (5), said sole plate (5) being equipped with a lower surface (11), a suction channel (12) and a rear scraping rib (23), said suction channel (12) opening into said lower surface (11) and extending transversely to a direction of movement (D2) of the vacuum cleaner nozzle, said rear scraping rib (23) protruding from said lower surface (11) of said sole plate (5) and being intended for scraping a floor to be cleaned, said rear scraping rib (23) extending near and along a rear edge (12b) of said suction channel (12). The sole plate (5) comprises a support surface (22), the support surface (22) being arranged to be in contact with the floor to be cleaned, and the rear scraping rib (23) being positioned to be retracted from the support surface (22).

Description

Vacuum cleaner nozzle and household vacuum cleaner comprising such a vacuum cleaner nozzle

Technical Field

The present invention relates to the field of vacuum cleaners equipped with a suction nozzle, also called suction head, which allows to suck in dust and small-particle waste present on the surface.

Background

Vacuum cleaners equipped with a suction nozzle are well known on the market, which allow cleaning of surfaces by suction to evacuate dust and small particle waste that remains on the surface. The surface to be cleaned may be, for example, a tiled floor, a laminate, a carpet or a carpet.

Conventionally, a vacuum cleaner nozzle comprises a coupling sleeve and a sole plate provided with a lower surface and a suction channel communicating with the coupling sleeve and opening onto the lower surface of the sole plate. The lower surface of the sole plate is intended to be positioned adjacent a surface to be cleaned during use of the cleaner nozzle.

The floor plate of the cleaner nozzle can, for example, be provided with a suction channel extending transversely to the direction of movement of the cleaner nozzle, and with at least two flexible scraping ribs which are arranged on both sides of the suction channel and are intended for scraping the floor surface to be cleaned.

However, such a construction of the cleaner nozzle necessarily leads to premature wear of the scraping ribs, in particular when the cleaner nozzle is reused on smooth, hard floors, and thus to insufficient or even ineffective scraping of the floor to be cleaned by the scraping ribs.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to overcoming all or part of these disadvantages.

Based on the technical problem of the utility model lie in providing a dust catcher suction nozzle that the structure is reliable and economic, ensure to treat the optimization scraping on clean ground simultaneously very much.

To this end, the invention relates to a vacuum cleaner nozzle, comprising a bottom plate provided with a lower surface, a suction channel opening into the lower surface and extending transversely to the direction of movement of the vacuum cleaner nozzle, and rear scraping ribs projecting from the lower surface of the bottom plate and serving to scrape the floor to be cleaned, which rear scraping ribs extend near and along a rear edge of the suction channel, characterized in that the bottom plate comprises a support surface arranged to be in contact with the floor to be cleaned, and that the rear scraping ribs are positioned to be retracted from the support surface so as to be located at a distance from the floor to be cleaned when the support surface is in contact with the floor to be cleaned and the floor to be cleaned is smooth.

This configuration of the rear scraping ribs and the supporting surface allows avoiding contact between the rear scraping ribs and the floor surface to be cleaned and thus maintaining the integrity of the rear scraping ribs when the cleaner nozzle is used on slippery floors, in particular in cases where the cleaner nozzle is equipped with a brush, when the brush of the cleaner nozzle is not removed. Thus, the vacuum cleaner nozzle according to the invention allows to ensure an optimized scraping of a soft floor to be cleaned at the same time.

The cleaner nozzle may also have one or more of the following features, used alone or in combination.

According to one embodiment of the invention, the supporting surface is arranged on the base plate in order to ensure a positive predetermined distance between the floor to be cleaned and the rear scraping ribs, at least when the floor to be cleaned is smooth.

In other words, the rear wiper rib is arranged at a predetermined distance from a support plane, which is partly defined by the support surface.

According to an embodiment of the invention, the predetermined distance is between 0.5mm and 2mm, and for example between 0.5mm and 1 mm.

According to one embodiment of the invention, the bearing surface is formed by a bearing roller.

According to one embodiment of the invention, the support surface is arranged at the rear of the suction channel.

According to an embodiment of the present invention, the rear scraping rib is located at an intersection of the lower surface of the bottom plate and the rear sidewall of the dust suction passage.

According to one embodiment of the invention, the rear scraping rib extends in the continuation of the rear side wall of the dust suction channel.

According to an embodiment of the present invention, the lower surface comprises a rear sliding surface and a front sliding surface, the rear sliding surface and the front sliding surface are located at both sides of the dust suction passage, and the rear scraping rib is protruded from the rear sliding surface.

According to an embodiment of the invention, when the front edge and the rear edge of the suction channel are arranged in a substantially horizontal plane, the rear sliding surface is inclined with respect to the horizontal plane by an angle of inclination of between 2 ° and 5 °, and for example between 2.5 ° and 3 °. These arrangements allow to ensure a sufficient air supply of the cleaner nozzle to allow suction of waste without ventilating the cleaner nozzle.

According to an embodiment of the invention, the rear sliding surface is substantially flat.

According to one embodiment of the invention, the front sliding surface is inclined with respect to the horizontal plane by an angle of inclination of between 2 ° and 5 °, and for example between 2 ° and 3 °, when the front edge and the rear edge of the suction channel are arranged in a substantially horizontal plane. These arrangements also allow to ensure a sufficient air supply of the cleaner nozzle to allow suction of waste without ventilating the cleaner nozzle.

According to an embodiment of the invention, the front sliding surface is substantially flat.

According to an embodiment of the invention, the rear sliding surface comprises a central part and two lateral parts, the two lateral parts being arranged at both sides of the central part, the two lateral parts of the rear sliding surface being adjacent to two opposite ends of the dust suction channel, respectively, the rear sliding surface having a width, the width decreasing from the central part of the rear sliding surface towards each end of the lateral parts of the rear sliding surface. These arrangements promote the passage of air at the end of the suction channel and thus ensure satisfactory suction over substantially the entire length of the suction channel, which improves the performance of the suction cleaner nozzle.

According to an embodiment of the invention, the bearing surface is provided at the rear sliding surface.

According to an embodiment of the invention, the lower surface of the bottom plate comprises a rear portion, which is preferably flat, positioned to retract from the rear sliding surface, and a connecting surface, which connects the rear sliding surface to the rear portion, the connecting surface being convex, the protrusion of the connecting surface being oriented opposite to the dust suction channel. These arrangements promote the passage of air at the end of the suction channel and thus ensure satisfactory suction over substantially the entire length of the suction channel, which improves the performance of the suction cleaner nozzle.

According to an embodiment of the invention, the connecting surface connects the rear sliding surface to the rear portion so as to form a gap at the rear portion of the rear sliding surface.

According to an embodiment of the invention, the connecting surface is curved.

According to one embodiment of the invention, the connecting surface is convex and, for example, curved, viewed in a plane through the front edge and the rear edge of the suction channel.

According to an embodiment of the invention, the connecting surface is convex and, for example, curved from a first lateral portion of the base plate to a second lateral portion of the base plate, said second lateral portion being opposite to said first lateral portion.

According to an embodiment of the invention, the rear sliding surface comprises a rear edge, which is curved and preferably circular.

According to an embodiment of the invention, the rear sliding surface comprises a front edge, which is substantially parallel to the extension direction of the dust suction channel. Advantageously, the front edge of the rear sliding surface is substantially rectilinear.

According to an embodiment of the invention, the connecting surface extends over substantially the entire length of the bottom plate.

According to an embodiment of the invention, the connecting surface extends from the first side edge of the bottom plate to the second side edge of the bottom plate. Advantageously, the connecting surface is convex and, for example, curved from the first side edge of the base plate to the second side edge of the base plate.

According to an embodiment of the invention, the rear scraping rib has a height between 0.3mm and 0.9 mm.

According to an embodiment of the invention, the rear scraping rib has a thickness between 0.4mm and 0.6 mm.

According to an embodiment of the invention, the base plate further comprises a connection sleeve and a fork, the connection sleeve being configured to communicate with the dust suction channel, the fork being arranged between the base plate and the connection sleeve, the connection sleeve being pivotably mounted on the fork about the first transverse pivot axis, and the fork being pivotably mounted on the base plate about the second transverse pivot axis.

According to an embodiment of the invention, the vacuum cleaner nozzle further comprises at least one brush, said brush being movable between a lowered position, in which said at least one brush is positioned protruding from the lower surface of the sole plate, and a raised position, in which said at least one brush is positioned retracting from the lower surface of the sole plate.

According to one embodiment of the invention, the cleaner nozzle comprises a moving wheel, which can be mounted, for example, on the fork and advantageously on each side of the fork. Advantageously, the moving wheel and the bearing surface define a bearing plane.

According to the utility model discloses an embodiment, the bottom plate includes preceding scraping arris, preceding scraping arris is used for the scraping to treat clean ground, and back scraping rib and preceding scraping arris set up the both sides at dust absorption passageway. Advantageously, the front scraping edge is located at the intersection of the lower surface of the sole plate and the front side wall of the suction channel.

According to one embodiment of the invention, the rear wiper rib extends over at least half the length of the suction channel and, for example, over substantially the entire length of the suction channel.

According to an embodiment of the invention, the suction channel comprises a front edge, which is substantially parallel to a rear edge of the suction channel.

Advantageously, the suction channel has a height which decreases from a central portion of the suction channel towards each of the opposite ends of the suction channel.

According to an embodiment of the invention, the rear sliding surface extends from a rear edge of the suction channel and the front sliding surface extends from a front edge of the suction channel.

According to an embodiment of the invention, the dust suction channel has a height between 15mm and 25 mm. These arrangements allow to ensure an optimal attachment of the cleaner nozzle to the floor surface to be cleaned.

According to an embodiment of the invention, the rear wiper rib has a substantially parallelepiped shape.

According to one embodiment of the invention, the rear wiper rib is rigid and is made of rigid plastic, for example.

The utility model also relates to a household vacuum cleaner, which comprises a vacuum cleaner nozzle according to any one of the above embodiments.

Drawings

In any case, the invention will be better understood with the aid of the following description with reference to the schematic drawings, which show, by way of non-limiting example, embodiments of the suction cleaner nozzle.

Fig. 1 and 2 are perspective bottom views of a vacuum cleaner nozzle according to the present invention.

Figure 3 is a bottom view of the suction cleaner nozzle of figure 1.

Figure 4 is a side view of the suction cleaner nozzle of figure 1.

Figure 5 is a partial sectional view on an enlarged scale of the suction cleaner nozzle of figure 1.

Detailed Description

Fig. 1 to 5 show a cleaner nozzle 2, which cleaner nozzle 2 comprises a coupling sleeve 3, to the end 3a of which coupling sleeve 3a joint of a rigid or flexible tube is connected, which tube is itself connected to a suction system (not shown) of the cleaner. Various variants of vacuum cleaners already exist on the market and can be used with the vacuum cleaner nozzle 2 according to the invention; such variants are known to the person skilled in the art and are not described in detail in the present patent application.

The cleaner nozzle 2 further comprises a fork 4 and two moving

wheels

4a, 4b, which two moving

wheels

4a, 4b are mounted on the fork 4. The connecting sleeve 3 is mounted pivotably connected relative to the fork 4 along a first transverse pivot axis X1, which first transverse pivot axis X1 preferably corresponds to the axis of rotation of the moving

wheels

4a, 4b, which moving

wheels

4a, 4b are each arranged on one side of the fork 4 and on one side of the connecting sleeve 3. However, it is possible to arrange a variant of the vacuum cleaner nozzle according to the invention such that the axis of rotation of the moving

wheels

4a, 4b is slightly offset downwards and/or backwards with respect to the first transverse pivot axis X1.

The cleaner nozzle 2 further comprises a sole plate 5, which sole plate 5 is made of, for example, plastic. The fork 4 is mounted pivotably connected relative to the base plate 5 along a second transverse pivot axis X2. For this purpose, the fork 4 comprises two branches 6, 7, each of the two branches 6, 7 being provided, for example, with a hole (not visible in the figures) which pivotably receives a corresponding stud provided at the rear of the bottom plate 5.

The connecting sleeve 3 can thus be swung forwards or backwards relative to the fork 4, as indicated by the

arrows

10a and 10b, respectively, in fig. 4, and the fork 4 can also be swung forwards or backwards relative to the base plate 5, as indicated by the

arrows

9a and 9b, respectively, in fig. 4.

The bottom plate 5 is equipped in particular with a lower surface 11 and a suction channel 12, which suction channel 12 leads to the lower surface 11. The suction channel 12 communicates with the connecting sleeve 3 via a flexible conduit 13.

The suction channel 12 extends in an extension direction D1 and transversely to the direction of movement D2 of the cleaner nozzle 2. The suction channel 12 comprises a front edge 12a and a rear edge 12b, the front edge 12a and the rear edge 12b being advantageously parallel with respect to each other. Thus, the dust suction channel has a substantially rectangular shape.

Advantageously, the suction channel 12 has a height which decreases from a central portion of the suction channel 12 towards each of the opposite ends of the suction channel 12.

The lower surface 11 of the sole plate 5 includes a rear sliding surface 14 and a front sliding surface 15, the rear sliding surface 14 and the front sliding surface 15 being located on either side of the suction channel 12. The rear slide surface 14 extends from the rear edge 12b of the suction channel 12, while the front slide surface 15 extends from the front edge 12a of the suction channel 12.

Advantageously, the rear sliding surface 14 is flat and, when the front edge 12a and the rear edge 12b of the suction channel 12 are disposed in a substantially horizontal plane, the rear sliding surface 14 is inclined with respect to the horizontal by an inclination angle of between 2 ° and 5 °, and advantageously between 2.5 ° and 3 °, and for example of about 2.7 °.

Advantageously, the front sliding surface 15 is flat and, when the front edge 12a and the rear edge 12b of the suction channel 12 are arranged in a substantially horizontal plane, the front sliding surface 15 is inclined with respect to the horizontal by an inclination angle comprised between 2 ° and 5 °, and advantageously comprised between 2.5 ° and 3 °, and for example of about 2.7 °.

According to the embodiment of the invention shown in the figures, each of the front and rear sliding surfaces extends over the entire length of the suction channel 12 and preferably from a first side edge 16 of the bottom plate 5 to a second side edge 17 of the bottom plate 5, which second side edge 17 is opposite to the first side edge 16.

As shown more particularly in fig. 3, the rear sliding surface 14 comprises a central portion 14.1 and two lateral portions 14.2, 14.3, the two lateral portions 14.2, 14.3 being arranged on either side of the central portion 14.1 and being respectively adjacent to two opposite ends of the suction channel 12. The rear sliding surface 14 has a width W which decreases from a central portion 14.1 of the rear sliding surface 14 towards each end of the lateral portions 14.2, 14.3 of the rear sliding surface 14.

The lower surface 11 of the bottom plate 5 further comprises a rear portion 18, preferably flat, positioned to be retracted from the rear sliding surface 14, and a connecting surface 19 connecting the rear sliding surface 14 to the rear portion 18, so as to form a gap 21 at the rear of the rear sliding surface 14. The connecting surface 19 advantageously extends over substantially the entire length of the bottom plate 5 and preferably extends from the first side edge 16 of the bottom plate 5 to the second side edge 17 of the bottom plate.

The connecting surface 19 is convex and preferably curved from the first side edge 16 of the bottom plate 5 to the second side edge 17 of the bottom plate 5. The projection of the connecting surface 19 is oriented opposite the suction channel 12.

The connecting surface 19 is more particularly configured so that the rear sliding surface 14 has a rear edge 14a, which rear edge 14a is curvilinear and preferably rounded.

The sole plate 5 further comprises support surfaces 22, which support surfaces 22 are arranged to be in contact with the floor surface to be cleaned. The support surface 22 is more specifically provided at the rear of the suction channel 12, and is provided, for example, at the rear sliding surface 14. The support surface 22 and the moving

wheels

4a, 4b define a support plane P.

According to the embodiment shown in the figures, the bearing surface 22 is formed by a bearing roller projecting from the rear sliding surface 14.

The sole plate 5 further comprises a rear scraping rib 23, which rear scraping rib 23 protrudes from the rear sliding surface 14 and is intended to scrape the floor to be cleaned, and more particularly a soft floor (e.g. carpet, carpet). The rear scraping rib 23 is advantageously rectilinear and substantially parallel to the direction of extension D1 of the suction channel 12.

The rear scraping rib 23 extends near the rear edge 12b of the dust suction channel 12 and along the rear edge 12 b. Advantageously, the rear scraping rib 23 is located at the intersection of the rear sliding surface 14 and the rear side wall 24 of the suction channel 12, and this rear scraping rib 23 extends in the continuation of the rear side wall 24 of the suction channel 12 and, for example, over substantially the entire length of the suction channel 12.

The rear scraping rib 23 is positioned set back from the support surface 22 and more specifically is arranged at a predetermined distance from the support plane P, which is partially defined by the support surface 22. The predetermined distance is comprised between 0.5mm and 2mm, and advantageously between 0.5mm and 1 mm. Thus, the support surface 22 is arranged on the sole plate 5 to ensure a positive distance between the floor and the rear scraping rib 23.

The rear scraping rib 23 may, for example, have a height of between 0.3mm and 0.9mm, and may, for example, have a thickness of between 0.4mm and 0.6 mm.

The bottom plate 5 further comprises a front scraping edge 25, which front scraping edge 25 is used for scraping the floor to be cleaned. The rear scraping rib 23 and the front scraping rib 25 are provided at both sides of the dust suction passage 12. Advantageously, the front scraping edge 25 is located at the intersection of the front sliding surface 15 and the front side wall 26 of the suction channel 12.

The cleaner nozzle 2 further comprises two

brushes

27, 28, which two brushes 27, 28 are positioned at the front and rear side of the sole plate 5, respectively, and are movable between a lowered position, in which the two brushes are positioned protruding from the lower surface 11 of the sole plate 5, and a raised position, in which the two

brushes

27, 28 are positioned retracted from the lower surface 11 of the sole plate 5. The two brushes 27, 28 may, for example, be mounted on a support 29, which support 29 is movably and, for example, slidably mounted on the base plate 5.

Of course, the invention is in no way limited to the described and illustrated embodiments, which are given by way of example only. Modifications can be made, in particular from the point of view of the construction of the various elements or by replacing technical equivalents, without however departing from the scope of protection of the present invention.

Claims

1. A vacuum cleaner nozzle (2) comprising a sole plate (5), said sole plate (5) being equipped with a lower surface (11), a suction channel (12) and a rear scraping rib (23), said suction channel (12) opening into said lower surface (11) and extending transversely to a direction of movement (D2) of the vacuum cleaner nozzle, said rear scraping rib (23) protruding from said lower surface (11) of said sole plate (5) and being intended for scraping a floor to be cleaned, said rear scraping rib (23) extending near and along a rear edge (12b) of said suction channel (12), characterized in that said sole plate (5) comprises a support surface (22), said support surface (22) being arranged to be in contact with said floor to be cleaned, and said rear scraping rib (23) being positioned to be retracted from said support surface (22).

2. The vacuum cleaner nozzle (2) according to claim 1, wherein said rear scraping rib (23) is arranged at a predetermined distance from a support plane (P), said support plane (P) being defined in part by said support surface (22).

3. The vacuum cleaner nozzle (2) according to claim 2, wherein said predetermined distance is between 0.5mm and 2 mm.

4. The vacuum cleaner nozzle (2) according to claim 2, wherein said predetermined distance is between 0.5mm and 1 mm.

5. The vacuum cleaner nozzle (2) according to any one of claims 1-4, wherein said support surface (22) is formed by a support roller.

6. The vacuum cleaner nozzle (2) of any one of claims 1-4, wherein said rear scraping rib (23) is located at an intersection of said lower surface (11) of said sole plate (5) and a rear sidewall (24) of said suction channel (12).

7. The vacuum cleaner nozzle (2) as claimed in claim 6, wherein said rear scraping rib (23) extends in the continuation of said rear sidewall (24) of said suction channel (12).

8. The vacuum cleaner nozzle (2) of any one of claims 1-4, wherein the lower surface (11) comprises a rear sliding surface (14) and a front sliding surface (15), the rear sliding surface (14) and the front sliding surface (15) being located on both sides of the suction channel (12), the rear scraping rib (23) protruding from the rear sliding surface (14).

9. The vacuum cleaner nozzle (2) according to claim 8, wherein said rear sliding surface (14) is inclined with respect to a horizontal plane by an inclination angle of between 2 ° and 5 ° when a front edge (12a) and said rear edge (12b) of said suction channel (12) are arranged in a substantially horizontal plane.

10. The vacuum cleaner nozzle (2) according to claim 8, wherein said rear sliding surface (14) is inclined with respect to a horizontal plane by an inclination angle of between 2.5 ° and 3 ° when a front edge (12a) and said rear edge (12b) of said suction channel (12) are arranged in a substantially horizontal plane.

11. The vacuum cleaner nozzle (2) according to claim 8, wherein said rear sliding surface (14) is substantially flat.

12. The vacuum cleaner nozzle (2) according to claim 8, wherein said front sliding surface (15) is inclined with respect to a horizontal plane by an angle of inclination of between 2 ° and 5 ° when a front edge (12a) and said rear edge (12b) of said suction channel (12) are arranged in a substantially horizontal plane.

13. The vacuum cleaner nozzle (2) according to claim 8, wherein said front sliding surface (15) is inclined with respect to a horizontal plane by an angle of inclination of between 2 ° and 3 ° when a front edge (12a) and said rear edge (12b) of said suction channel (12) are arranged in a substantially horizontal plane.

14. The vacuum cleaner nozzle (2) of claim 8, wherein the rear sliding surface (14) comprises a central portion (14.1) and two lateral portions (14.2, 14.3), the two lateral portions (14.2, 14.3) being arranged on both sides of the central portion (14.1), the two lateral portions (14.2, 14.3) of the rear sliding surface (14) being adjacent to two opposite ends of the suction channel (12), respectively, the rear sliding surface (14) having a width (W) that decreases from the central portion (14.1) of the rear sliding surface (14) towards each end of the lateral portions (14.2, 14.3) of the rear sliding surface (14).

15. The vacuum cleaner nozzle (2) of claim 8, wherein the lower surface (11) of the sole plate (5) comprises a rear portion (18) and a connecting surface (19), the rear portion (18) being positioned to be retracted from the rear sliding surface (14), the connecting surface (19) connecting the rear sliding surface (14) to the rear portion (18), the connecting surface (19) being convex, the convexity of the connecting surface (19) being oriented opposite the suction channel (12).

16. The vacuum cleaner nozzle (2) according to any one of claims 1-4, wherein said rear scraping rib (23) has a height of between 0.3mm and 0.9 mm.

17. The vacuum cleaner nozzle (2) according to any one of claims 1-4, wherein said rear scraping rib (23) has a thickness of between 0.4mm and 0.6 mm.

18. The vacuum cleaner nozzle (2) of any one of claims 1 to 4, wherein the sole plate (5) further comprises a connecting sleeve (3) and a fork (4), the connecting sleeve (3) being configured to communicate with the suction channel (12), the fork (4) being arranged between the sole plate (5) and the connecting sleeve (3), the connecting sleeve (3) being pivotably mounted on the fork (4) about a first transverse pivot axis (X1), and the fork (4) being pivotably mounted on the sole plate (5) about a second transverse pivot axis (X2).

19. The vacuum cleaner nozzle (2) according to any one of claims 1-4, wherein said vacuum cleaner nozzle further comprises at least one brush (27, 28), said at least one brush (27, 28) being movable between a lowered position, in which said at least one brush (27, 28) is positioned protruding from said lower surface (11) of said sole plate (5), and a raised position, in which said at least one brush (27, 28) is positioned retracted from said lower surface (11) of said sole plate (5).

20. A household vacuum cleaner, characterized in that it comprises a vacuum cleaner nozzle (2) according to any one of claims 1 to 19.