CN1131010C

CN1131010C - Floor suction head of vacuum cleaner

Info

Publication number: CN1131010C
Application number: CN00136406A
Authority: CN
Inventors: 霍斯特·迪尔格; 迪特尔·卡芬贝尔格尔; 托马斯·林德; 汉斯－约阿希姆·施托伊德讷
Original assignee: Wessel Werk GmbH
Current assignee: Wessel Werk GmbH
Priority date: 1999-12-24
Filing date: 2000-12-22
Publication date: 2003-12-17
Anticipated expiration: 2020-12-22
Also published as: EP1110496B1; DE50002715D1; CN1301519A; DE19962942C2; HK1037115A1; EP1110496A1; DE19962942A1

Abstract

A floor suction jet has a housing provided with an air channel, an attached connection fitting for a suction hose, which pivots about a horizontal axis and a suction head having a suction mouth brought into contact with the floor, pivoted about a vertical axis on the opposite side of the housing to the connection fitting. The housing is supported from the floor by a roller outside the pivot range of the suction head.

Description

The floor suction head of vacuum cleaner

The present invention relates to a kind of floor suction head of vacuum cleaner, it comprises that one has the housing of an air duct, a connection socket that is used for suction tube and the dust collecter with a SS adjacent with ground, wherein said socket links to each other with housing, so that can swing around a horizontal axis.Because articulated joint or tilting type joint are arranged, variation when aspirating on any jointing altitude, for example the variation owing to the swing of operator's arm, operator's different builds and the jointing altitude that body gesture causes can obtain adjusting, thereby dust collecter is always placed on the ground straightly when aspirating.

Connect socket and can be made into two parts and a bend pipe that links to each other with socket is arranged, so that can rotatably move.Also be constructed with a bend pipe that rotatably moves in addition if connect socket, then dust collecter can be controlled by the gyration of the suction tube continuous with being connected socket along the centering of pumping direction.Maximum deflection angle is pre-determined by the curvature of bend pipe, and is about 30 °-35 ° in practice.The working width of cleaner head only owing to might just slightly reduce in deflection, thereby floor suction head usually can not be used to narrow recess is carried out dust suction.

From a kind of floor suction head that DE-A 2846847 learns, dust collecter links to each other with housing, swing around a horizontal axis with activation, this housing near the ground by a roller bearing in its Background Region adjacent with being connected socket.And housing is pressed the shape structure of suction channel.The swing that connects socket is connected shift to the rear and keep one section clear distance with dust collecter.The active force that is applied by suction tube reaches on the ground by the roller that is positioned at the housing rear end, thereby dust collecter is only leaned against on the floor under the effect of swabbing pressure, and the effect of the vertical force that is not subjected to extraly when aspirating, applying and transmit by suction tube by the operator.Have said structure owing to connect socket, thus the alignment of dust collecter can be controlled with respect to pumping direction, and the working width of cleaner head only can be subjected to the influence of limited angle and slightly reduce.This structure also is unsuitable for carrying out the dust suction operation at narrow recess.

At a kind of existing floor suction head that is used for the vacuum for industrial use dust catcher, suction tube is connected to the top of dust collecter with a universal joint (shown in the products propaganda volume of Nilfisk Advance company).A flexible pipe is inserted in this universal joint.Because the universal property of suction tube is installed, the dust collecter that is configured to have the rectangle contact surface not only can along pumping direction laterally but also can be with respect to the longitudinally alignment of pumping direction, thereby make floor suction head both can be used to clean big ground region, also can be used to clean narrow and small recess.The vertical stress component of the power that in aspiration procedure, is produced by suction tube be passed to dust collecter and during to cleaning required sliding force a reaction is arranged.Particularly under the situation that adopts the floor covering that constitutes by yarn fabric, a kind of like this danger is arranged, promptly, dust collecter can be pressed in the soft suede so deeply, so that in SS, produce a sizable negative pressure, and dust collecter inhales on the ground firmly, thereby no longer may carry out correct suction clean operation.

Purpose of the present invention is for providing a kind of floor suction head, and its dust collecter can align changeably with respect to pumping direction, and this ground suction nozzle can both move with the sliding force of minimum on the smooth ground and on the floor covering that is made of yarn fabric.

From having the floor suction head of the structure of preface, describing, according to the present invention, to achieve these goals, dust collecter is linked to each other with housing, so that can rotate, and housing is bearing on the ground outside the rotating range that is positioned at dust collecter around a vertical rotation.Vertical rotation can medially be provided with respect to the longitudinal axis with maximum length of dust collecter or be provided with prejudicially.Dust collecter is at least 90 ° around the anglec of rotation that vertical rotation rotates, thereby the dust collecter with rectangle contact surface is all alignd with the horizontal and vertical of pumping direction, and, can clean big ground region and narrow and small recess simultaneously effectively according to the alignment of dust collecter.According to a preferred embodiment, floor suction head under any circumstance all can move past 90 ° along two direction of rotation.Greater than 90 ° the anglecs of rotation and full rotation all is impossible.According to another embodiment, dust collecter is mounted on all working position all does to vert motion around a horizontal axis.This just makes dust collecter can adapt to irregular paving admirably.

Housing can have one and be used for the sliding surface that supports on the ground nearby, or is provided with one or more roller, and these rollers preferably are arranged in an axle that is used to support near ground.Advantageously, dust collecter has a contact-making surface that is essentially rectangle, the width of dust collecter had better not be obviously greater than the width of the housing that is channel form.Other geometry of contact-making surface is impossible.Dust collecter is at least 90 ° around the anglec of rotation of its vertical rotation.Dust collecter can be installed the ball that is used for ground supporting in its underpart, and above-mentioned ball is arranged to and can be rotated in bearing holder (housing, cover).Because ball is housed, no matter dust collecter whether with laterally or vertically the aliging of pumping direction, it all can easily move on all floor coverings.Certainly, also other supporting member can be set, as roller, Caster, slide block and analog thereof.

The structure that is used to rotatablely move of dust collecter preferably includes and is used for dust collecter is fixed on the optimum position in case the moving locking element of spline.Locking element can be the receiving element with the spring bias voltage, but neither be impossible with the element of hand actuating.

Dust collecter can be made into a static floor suction head that does not rotate insert, SS be shaped as a passage, it extends and edge limited by SS along the total length of floor suction head.Nature also can be provided with spiral pick-up unit, rubber lip and analog thereof in the known manner.Dust collecter also can comprise telescopic brush.In this structure, dust collecter comprises a top, brush supporting plate, an actuation switch that is used for the brush supporting plate and a sliding floor that can on the top, vertically move, at least one brush bar links to each other with the brush supporting plate, and can pass a groove that is opened on the dust collecter in ground side and stretch when making the motion of brush supporting plate.

Be not limited to static floor suction head according to technical scheme of the present invention.The present invention comprises that also dust collecter has the situation that is arranged on the brush roll in the SS, and above-mentioned brush roll is by a Motor Drive.

Describe the present invention in detail below with reference to accompanying drawing, these accompanying drawings have schematically illustrated an exemplary embodiment with perspective view simply, among the figure:

Fig. 1 and 2 shows the floor suction head that is in the locational vacuum cleaner of different operating;

Fig. 3 and 4 shows another embodiment of floor suction head of the present invention, and they also are in two different operating positions.

Floor suction head shown in the figure comprises a housing with an air duct 1, a connection socket 2 and a dust collecter 3 that has the SS adjacent with ground that is used for suction tube, wherein above-mentioned socket links to each other with housing 1, so that can be around a horizontal axis swing.The swing property that connects socket 2 is shown in broken lines in Fig. 1.Connect socket and also can have and be made into two-part structure, and comprise a socket 2 and a bend pipe 4 that rotatably is connected with socket 2 in the air duct that is inserted in housing 1 in order to vert motion.This structure is shown in Fig. 3 and 4.

Dust collecter 3 comprises that one is essentially the contact-making surface of rectangle and links to each other with housing 1, so that rotate around a vertical rotation 5.Outside the rotating range of dust collecter 3, housing 1 supporting on the ground.Supporting be by means of the rear end that is arranged on housing 1 and be arranged in socket 2 the zone roller 6 and realize that its middle shell is made into the shape that is a passage, and socket is connected to and can verts.The corner that rotatablely moves around vertical rotation 5 is at least 90 °, thereby dust collecter is all alignd with the horizontal and vertical of pumping direction.On first operating position shown in Fig. 1 and 3, can carry out the dust suction cleaning to large tracts of land ground effectively.On second operating position shown in Fig. 2 and 4, dust collecter 3 longitudinally aligns with pumping direction, can utilize this floor suction head that narrow recess is aspirated cleaning thus.These balls can ball be set at the downside of dust collecter 3, so that with its supporting on the ground, be can be rotatably set in the bearing holder (housing, cover).Make dust collecter 3 especially easily moving on all floor coverings and on all working position in the supporting on the ball bearing.From Fig. 2 and 4, it can also be seen that, the width of dust collecter 3 is a lot of greatly unlike the width of housing 1 that it is shaped as passage, and vertical rotation 5 will so be provided with, so that dust collecter and its housing that is shaped as passage are arranged to align on the operating position shown in Fig. 2 and 4.

In the structure shown in Fig. 1 and 2, vertical rotation 5 medially is provided with respect to the longitudinal axis with maximum length 7 of dust collecter.In this structure, dust collecter is rotated fully around vertical rotation 5.In the exemplary embodiment shown in Fig. 3 and 4, vertical rotation 5 is provided with prejudicially with respect to the longitudinal axis with maximum length 7 of dust collecter.

Each view shows the optimum position of dust collecter 3.Dust collecter 3 can be locked on these optimum positions.For this reason, the structure that rotatablely moves that is used for dust collecter 3 has locking element, and they can be configured to the receiving element or the locking element of available manual work.

Claims

1. floor suction head that is used for vacuum cleaner, comprise a housing (1) with an air duct, a connection socket (2) that is used for suction tube, described socket links to each other with housing (1), so that can be around a horizontal axis swing, with a dust collecter (3) that has the SS adjacent with ground, it is characterized in that, dust collecter (3) is linked to each other with housing (1), so that can rotate around a vertical rotation (5), and housing (1) is supported on the ground outside the rotating range of dust collecter (3).

2. floor suction head as claimed in claim 1 is characterized in that, vertical rotation (5) medially is provided with respect to the longitudinal axis with maximum length (7) of dust collecter (3).

3. floor suction head as claimed in claim 1 is characterized by, and vertical rotation (5) is provided with prejudicially with respect to the longitudinal axis with maximum length (7) of dust collecter (3).

4. as each the described floor suction head in the claim 1 to 3, it is characterized by, dust collecter (3) is installed into and can verts around a horizontal axis on all working position.

5. floor suction head as claimed in claim 1 is characterized by, and the housing downside has one to be used for the slidingsurface that supports on ground.

6. floor suction head as claimed in claim 1 is characterized by, and one or more roller (6) that is arranged on the axle links to each other with housing (1), supports on ground being used for.

7. floor suction head as claimed in claim 1 is characterized by, and dust collecter (3) has the contact surface of rectangle.

8. floor suction head as claimed in claim 7 is characterized by, and the width of dust collecter (3) is slightly larger than the width by the housing (1) of the shape structure of passage.

9. floor suction head as claimed in claim 1 is characterized by, and dust collecter (3) is equipped with ball at downside, and described ball is configured to and can rotates in bearing holder (housing, cover), so that support on ground.

10. floor suction head as claimed in claim 1 is characterized by, and dust collecter (3) is at least 90 ° around the anglec of rotation of its vertical rotation (5).

11. floor suction head as claimed in claim 1 is characterized by, the structure that is used to rotate of dust collecter (3) is provided with locking element, so that dust collecter (3) is fixing, prevents its rotation.

12. floor suction head as claimed in claim 1, it is characterized by, dust collecter comprises a top, a vertically moving brush supporting plate under top shell, an actuation switch and a sliding floor that is used for the brush supporting plate, and at least one brush bar links to each other with the brush supporting plate and can pass a groove that is positioned on the dust collecter in ground side and stretch when the brush supporting plate moves.

13. floor suction head as claimed in claim 1 is characterized by, dust collecter comprises a brush roll that is arranged in the SS, and this brush roll is by Motor Drive.