CN101077288B

CN101077288B - Hinge component

Info

Publication number: CN101077288B
Application number: CN200710107247.3A
Authority: CN
Inventors: 尤恩·斯金纳·麦克劳德
Original assignee: Hoover Ltd
Current assignee: Hoover Ltd
Priority date: 2006-05-25
Filing date: 2007-05-25
Publication date: 2013-06-12
Anticipated expiration: 2027-05-25
Also published as: EP1860263B1; CN101077288A; GB2438408B; EP1860263A2; ATE483880T1; EP1860263A3; GB0610323D0; DE602007009597D1; GB2438408A; ES2350010T3

Abstract

A vacuum cleaner comprises a closure (12) having a first hinge portion (13) and body (10) having a second hinge portion (15) displaceably mounted thereon, the first portion (13) is pivotally connected to the second portion (15) for rotation of the closure (12) about a rotational axis (A-A) relative to the body (10). The vacuum cleaner further comprises an axially projecting cam (17) on the first portion (13) having a cam surface disposed radially outwardly of the rotational axis (A-A), and a fixed abutment surface (18) disposed remote from the hinge portions (13,15). The surface of the cam (17) is biased against the abutment surface (18) by a spring (16) acting on the second hinge portion (15), the cleaner being arranged such that rotation of the first hinge portion (13) about the rotational axis (A-A) causes the cam (17) to ride over the abutment surface (18) under the applied bias allowing upward translatory movement of the rotational axis (A-A) of the closure.

Description

Hinge component

Technical field

The present invention relates to kind of a hinge component (hinge assembly), more definite but be not only the hinge of a kind of cover plate for vacuum cleaner or other devices (closure).

Background technology

Vacuum cleaner generally includes a shell that usually has one or more cover plates, opens this cover plate and will expose cleaner, such as dust bag, filter or rotoclone collector.This cover plate must be easy to and switch expediently, so that the moving or emptying of cleaner.This cover plate also must be able to open wide very large, and makes the bulky belt of filling dust to take out from dust catcher at an easy rate.

Also known vacuum cleaner has and opens the cover plate that can expose be used to the storage compartments of depositing burnisher etc.Be in needs attractive in appearance, wish that this cover plate can fitly coincide with the shell of dust catcher, and their edge is positioned at very the place near the side of peripheral part of shell.

Need a kind of shape with Body case of cleaner, and can open the use that very large cover plate has caused complicated biaxial hinge, make this cover plate pivotally to be arranged on a pair of hinged arm by biaxial hinge, and hinged arm itself is mounted on main body of dust collector.Such hinge arrangement is disclosed in European patent EP 0116870.Can recognize, hinged arm is contained in demand in main body of dust collector to the space requirement in main body, and may form and the position of bag cell-type cover plate be restricted.

German patent DE 4419064 discloses the hinge substitute of a kind of pair of pivot, and it comprises a pair of bow-shaped arm that contacts with bag cell-type cover plate rigidity.This arm can be slidably matched with the arc cavity that is formed in main body of dust collector.Can recognize, in this configuration and European patent EP 0116870, disclosed device with two pivot arm is identical, all has certain restriction.

We have invented a kind of hinge component, and it can address the above problem.

Summary of the invention

According to the present invention, a kind of hinge component is provided, it comprises the first hinge fraction, it pivotally interconnects with the second hinge fraction movably, to be rotated around rotating shaft; Be positioned at the axial cam in described first, it has the cam face that radially is arranged on described rotating shaft outside; And fixing abutment surface (abutment surface), it is arranged on position away from described hinge fraction, wherein cam face is partial to described abutment surface, so this assembly of configuration makes when applying bias voltage, and the first hinge fraction causes described cam to be supported on around the rotation of rotating shaft making cover plate carry out translation on described abutment surface.

In vacuum cleaner, the first and second hinge fractions are connected to respectively cover plate and the chamber on it.When a side of cover plate is opened outwardly, the motion by cam make rotating shaft in check mode movably away from the main body of dust catcher, thereby make the space of cover plate opposite side move inwardly and pollute the main body of dust catcher.

This hinge component is structurally very simple, and in the inner space that only need to be a small amount of of vacuum cleaner main body.This assembly had both had the functional attributes of prior art, and rotating shaft is positioned at very on the position near main body of dust collector, the foremost of tank shape dust catcher (canister cleaner) for example, and the linkage of not occupying the dust catcher inner space.

Preferably apply the rotation bias voltage between described the first and second hinge fractions, and adopt certain device (means) partly to resist described rotation bias voltage with fixed hinge, thereby, when discharging fixture (holdingmeans), the rotation bias voltage will make the first hinge fraction be rotated and make described cam be supported on when applying bias voltage to make cover plate carry out translation on described abutment surface above-mentioned around described rotating shaft.

Preferably, act on described movably the second hinge fraction by biasing device, the described abutment surface of cam face deflection.

Preferably, cam is arranged on apart from rotating shaft radially on the position of 5-15mm.

Preferably, cam is removable away from abutment surface by spring-biased, to help avoiding the crowded of assembly, for example when cover plate closing.

Preferably, at least a portion of abutment surface is with respect to normally upwardly extending plane tilts in the bias voltage side that applies, to control, amplify or otherwise change rotating shaft to the translation speed of the anglec of rotation.

Preferably, cam comprises the projection that extends outwardly from described the first hinge fraction, preferably along the direction of axially prolonging the Shen of rotating shaft.

Preferably, the brake that has on cam (detent) is to keep hinge to be in specific angle configuration.This brake can comprise the lip-deep plane domain of the arc camming that is formed on cam.

According to the present invention, a kind of device also is provided, the main body that it comprises the cover plate with first hinge fraction and has the second hinge fraction mounted thereto movably is connected to second portion, so that this cover plate can be rotated around rotating shaft with respect to main body first's rotor.This device also comprises and is positioned at the axial cam that has the cam face that radially is arranged on described rotating shaft outside in described first and arranges away from the fixing abutment surface of described hinge fraction, wherein this cam face is partial to described abutment surface, so this device of configuration makes that the first hinge fraction is rotated around described rotating shaft when the bias voltage that applies, and causes described cam to be supported on the translation of carrying out the rotating shaft of cover plate on described abutment surface.

Preferably, apply the rotation bias voltage between described the first and second hinge fractions, and adopt and necessarily install hinge fraction is fixed on the relative position that applies described rotation bias voltage, thereby, when discharging fixture, the rotation bias voltage will make the first hinge fraction be rotated and make described cam be supported on when applying bias voltage to make described rotating shaft carry out translation on described abutment surface above-mentioned around described rotating shaft.

Preferably, this fixture comprises a pawl (catch), its keep cover plate on main body in the closed position on, this rotation bias voltage preferably is applied on the opening direction of cover plate, makes generation translation when applying rotation bias voltage cover plate and opening.

Preferably, second portion is slidably mounted on the main body of dust catcher.

Preferably, cam face is with the described abutment surface of certain orientation deflection, and this direction is to extend to the direction on the plane of cover plate when the latter is positioned on its closed position normal.

Preferably, cam face is to be partial to described abutment surface towards the outside direction of extending of this apparatus main body.

Preferably, when cover plate is opened, cam is set makes it rotation away from described cover plate.

Description of drawings

To only describe embodiments of the invention by an example referring to accompanying drawing now, accompanying drawing is:

Fig. 1 is the sectional view that has comprised according to the tank shape vacuum cleaner of hinge of the present invention;

Fig. 2 is the exploded view according to the hinge of the vacuum cleaner of the present invention of Fig. 1; And

Fig. 3 A-3C is the schematic diagram of operating principle that the hinge of Fig. 2 is shown.

The specific embodiment

Referring to accompanying drawing, show the main part 10 of the vacuum cleaner that comprises plastic casing.At the inner compartments 11 that form of main body 10 holding the dust bag (not shown) or other collect the dust device, such as disposal box or cyclone separation unit.Have cover plate 12 on the upper face of main body 10, and for example when changing or emptying dust bag or other dust-separating devices, the user can open cover plate 12 and enter compartment 11.In order to improve the attractive in appearance of dust catcher outside, cover plate 12 will fitly coincide with main body cover and edge thereof, have and the on all four shape of peripheral part of shell.Cover plate 12 is attached on main body of dust collector 10 by hinge, and is adjacent with its forward position, rotates around trunnion axis P.Spring (not shown) bias voltage cover plate 12 makes it to arrive on its position of opening around axle P.Also have the pawl (not shown) so that cover plate 12 can resist the rotation bias voltage remain on its position of closing.

Referring to Fig. 2, cover plate 12 relies on arms (depending arm) via two, and for example 13, be attached on main body of dust collector 10 by hinge, wherein rely on arm to extend respectively from the two ends in the forward position, bottom of cover plate 12.The lower end of each arm 13 is rotated 90 ° and carry wheel shaft (axle) 14 forward, this wheel shaft from a side of arm 13 with the horizontal direction of dust catcher and with the parallel plane direction of cover plate 12 towards outer process.The wheel shaft 14 of two arms 13 drops on common axis A-A, and points to main body of dust collector 10 two opposite directions transversely.

Wheel shaft 14 is bonded in the aperture that is formed on each right cylinder (upstanding post) 15.The lower end mooring ground (captively) of post 15 is arranged in the jack (socket) 19 of the chamber that is formed at dust catcher with removable on direction D, and this direction D is the longitudinal extension direction of post 15.Post 15 is by each Compress Spring 16 bias voltage up.

Each arm 13 of hinge comprises cam 17, and it extends towards the outside on the rightabout of wheel shaft 14.Cam 17 extends along the axle B-B that the axle A-A with wheel shaft 14 extends in parallel, on the position of having departed from the distance X between 5-15mm.Cam 17 be arranged on rotating shaft A-A on last side, and cover plate 12 is substantially disposed on a side backwards of rotating shaft.Cam 17 also is positioned on the position of specific point, and so configuration makes when cover plate 12 is closed, and they are in normal ground on the direction of the moving direction extension of post 15 with respect to the position of rotating shaft A-A.Cam 17 extends axially a side and comprises the arc camming surface of facing dust catcher top and back.The upper side of cam face is to part plane normally.

Each cam 17 extends at 18 times downsides along each side members of the chamber of vacuum cleaner of abutment surface of the inclination that forms.Abutment surface 18 tilts from the back front end court of dust catcher.The camming surface of cam 17 is biased toward abutment surface 18 up by spring 16 effects on post 15.

Referring to Fig. 3 A, when cover plate 12 is positioned at the closed position, the bottom front end of cam 17 their each abutment surface 18 of deflection.On this position, the basic planar section on camming surface contacts with each abutment surface 18: the effect of brake is played in these positions, help to keep closing of cover plate, and provide cover plate just moving into or shifting out the sensation of some feedbacks of its closed position to the user.

Yet referring to accompanying drawing 3B and 3C, when shifting to the position of opening under discharging the bias voltage that pawl and cover plate 12 applying, cam 17 rotates in the counterclockwise direction down and backwards, makes the arm 13 of hinge raise under the spring-biased that applies.In opening procedure, cam 17 moves up along the abutment surface 18 that tilts, thereby has increased the height that arm 13 can raise.

Can recognize, the rotating shaft A-A of hinge is raising always in opening the process of distance L.The height of this rising makes cover plate 12 to be opened by 90 ° of ground almost, has avoided the crowded of the forward position, bottom of cover plate 12 and main body of dust collector 10.Therefore, hinge of the present invention can avoid occurring the needs in unhandsome gap between cover plate 12 and main body of dust collector 10.

Claims

1. hinge component, the main body that comprises the cover plate with first hinge fraction and have the second hinge fraction mounted thereto movably, be connected to the second hinge fraction the first hinge fraction rotor, so that be rotated around rotating shaft, be positioned at the axial cam that has the cam face that radially is arranged on described rotating shaft outside on described the first hinge fraction and arrange to such an extent that close on abutment surface on the described main body of being fixed in of described the second hinge fraction, wherein this cam face is from the described abutment surface of the outside linear deflection of main body, open rotation bias voltage on direction to be created in cover plate between described the first hinge fraction and the second hinge fraction, so this hinge component of configuration makes that the first hinge fraction is rotated around described rotating shaft when applying bias voltage, and cause described cam to be supported on the translation with respect to main body of carrying out described rotating shaft on described abutment surface.

2. hinge component as claimed in claim 1, comprise that a kind of fixture for fixing described the first and second hinge fractions resists described rotation bias voltage, thereby, when discharging fixture, the rotation bias voltage will make the first hinge fraction be rotated and make described cam to be supported on around described rotating shaft to make described rotating shaft carry out translation on described abutment surface.

3. hinge component as claimed in claim 1, wherein act on described movably the second hinge fraction by biasing device, makes the described abutment surface of the linear deflection of cam face.

4. hinge component as claimed in claim 1, its cam are arranged on apart from rotating shaft radially on the position of 5-15mm.

5. hinge component as claimed in claim 1, wherein at least a portion of abutment surface is with respect to normally tilting on the upwardly extending plane, outside side that is biased in that applies.

6. hinge component as claimed in claim 1, its cam comprises the projection that extends outwardly from described the first hinge fraction, in the axially extended direction along rotating shaft.

7. hinge component as claimed in claim 1, wherein the second hinge fraction is slidably mounted on the main body of dust catcher.

8. hinge component as claimed in claim 1, wherein cam face is with the described abutment surface of the linear deflection of certain orientation, and this direction is to extend to the direction on the plane of cover plate when the latter is positioned on its closed position normal.

9. hinge component as claimed in claim 1, wherein main body comprises one and comprises that described cover plate can be opened entire so that the gathering-device in compartment can enter for filter the compartment of the dust collecting installation of dust and dirt from air-flow.