CN106821146A - For the telescopic rod of vacuum cleaner - Google Patents

For the telescopic rod of vacuum cleaner Download PDF

Info

Publication number
CN106821146A
CN106821146A CN201610978543.XA CN201610978543A CN106821146A CN 106821146 A CN106821146 A CN 106821146A CN 201610978543 A CN201610978543 A CN 201610978543A CN 106821146 A CN106821146 A CN 106821146A
Authority
CN
China
Prior art keywords
fastener
tube
exterior tube
inner tube
leaf spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610978543.XA
Other languages
Chinese (zh)
Inventor
A.D.朗伯
P.A.麦克卢基
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dyson Technology Ltd
Dyson Ltd
Original Assignee
Dyson Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dyson Ltd filed Critical Dyson Ltd
Publication of CN106821146A publication Critical patent/CN106821146A/en
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/242—Hose or pipe couplings
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/242—Hose or pipe couplings
    • A47L9/244—Hose or pipe couplings for telescopic or extensible hoses or pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L27/00—Adjustable joints, Joints allowing movement
    • F16L27/12—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L27/00—Adjustable joints, Joints allowing movement
    • F16L27/12—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement
    • F16L27/127—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement with means for locking the longitudinal adjustment or movement in the final mounted position
    • F16L27/1273—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement with means for locking the longitudinal adjustment or movement in the final mounted position by quick-acting means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

A kind of telescopic rod for vacuum cleaner, including inner tube, exterior tube and snap component.The snap component includes fastener and leaf spring.Fastener is pivotally mounted to exterior tube and including button and locking column.Leaf spring extends between fastener and exterior tube, and is biased power to fastener.Fastener is pivoted between the locked and unlocked positions.Fastener is biased into latched position by biasing force, and press push button causes that fastener is pivoted to unlocked position.When fastener is in latched position, locking column engagement inner tube so that inner tube is prevented from relative to the motion of exterior tube.When fastener is in unlocked position, locking column is disengaged with inner tube so that inner tube is allowed to relative to the motion of exterior tube.

Description

For the telescopic rod of vacuum cleaner
Technical field
The present invention relates to a kind of telescopic rod for vacuum cleaner.
Background technology
The telescopic rod of vacuum cleaner includes inner tube, exterior tube and the position for locking inner tube relative to exterior tube The snap component put.Unfortunately, often excessively huge and/or rod assembling is relative complex for snap component.
The content of the invention
The invention provides a kind of telescopic rod for vacuum cleaner, including inner tube, exterior tube and snap component, Wherein the snap component includes fastener and leaf spring；Fastener is pivotally mounted to exterior tube and including button and locking column； Leaf spring extends between fastener and exterior tube, and is biased power to fastener；Fastener is in latched position and non-locking Pivoted between position, fastener is biased into latched position by biasing force, and press push button to cause that fastener is pivoted to unlocked Positioning is put；And when fastener is in latched position, locking column engagement inner tube so that motion of the inner tube relative to exterior tube It is prevented from, and when fastener is in unlocked position, locking column is disengaged with inner tube so that inner tube is relative to exterior tube Motion be allowed to.
By using the leaf spring extended between fastener and exterior tube so that relatively low appearance can be realized.Traditional rod Snap component potentially includes helical spring, and it is positioned at button lower section or locking column top.However, using for helical spring increases The total height of snap component.Additionally, helical spring using needing wall above or below fastener so that spring can be with Against the wall.By using leaf spring, the shallower attitude for spring itself can be implemented.Additionally, spring is in order to bias card The wall of the exterior tube that fastener is abutted can be positioned rather than above or below fastener along against fastener.As a result, have Having can be implemented compared with the snap component of low profile.
Biasing force can be acted in a downwardly direction.As a result be drawn down to fastener in the pivotally mounted portion of exterior tube by leaf spring. Therefore, once pressing button, fastener is pivoted immediately.This then have have an advantage that button less stroke be needed in Fastener is moved into unlocked position from latched position, and thus greater compactness of configuration can be realized.If conversely, biasing force Act in upward direction, fastener is by by the pivotally mounted portion of somewhat lift-off exterior tube.Therefore, when button is depressed, buckle Part will not be pivoted directly, but be moved downward until fastener engages Pivot member.Only fastener starts pivot at this point Turn.Thus button needs farther distance of advancing, in order to fastener is moved into unlocked position from latched position.
Leaf spring can pass through side under the button.Additionally, leaf spring can at one end be fixed to the downside of fastener, and in opposite end The inner side of exterior tube is fixed at portion.As a result, leaf spring can apply downward bias pressure to fastener, without in fastener The wall that over top is passed through, it will damage the size of rod.
Rod is configured such that card fastener when in latched position is flushed with exterior tube.Then there is benefit to exist for this It is unlikely to unintentionally be hooked on article in use in fastener, for example in home decoration or curtain.
Rod is configured such that card fastener when in unlocked position does not contact inner tube.This then has benefit It is that fastener will not hinder inner tube relative to the motion of exterior tube.Conversely, the fastener of traditional rod may include to be clipped in inside Swing element between pipe and exterior tube.The button pressed downwards of fastener are swung into the surface of inner tube in being so that swing element On.Although the configuration of relative compact can be implemented in the case of such fastener, swing element is at fastener Continue to contact inner tube when unlocked position.As a result, inner tube is caused due to swing element relative to the motion of exterior tube Friction and less smooth.
In this manual, term " upward ", " downward ", " top " and " lower section " is the central longitudinal axis work with reference to pipe Go out.Therefore, term " upward " and " downward " should be understood that the direction referred to away and towards longitudinal axis.Additionally, when the When one structure is described as being positioned at the second structure " top " or " lower section ", this should be understood that means that first structure is positioned Be apart from longitudinal axis it is farther or closer to.
Brief description of the drawings
In order to the present invention can be understood more readily by, embodiments of the invention now will refer to the attached drawing by example quilt Description, wherein：
Fig. 1 is the perspective view according to telescopic rod of the invention；
Fig. 2 is the exploded partial view of telescopic rod；
Fig. 3 is in the case of the locked position through the side view in the section of telescopic rod in fastener；And
Fig. 4 be with Fig. 3 identical views, but fastener is in unlocked position.
Specific embodiment
The telescopic rod 1 of Fig. 1 to 4 includes inner tube 2, exterior tube 3 and snap component 4.
Inner tube 2 is the shape of substantial cylindrical.However, the top of pipe 2 is flat and including multiple juts 21. The locking column 44 of the gap limits recess 22 between each pair jut 21, wherein snap component 4 is protruded into the gap；This is under Face is more fully described.The first end of inner tube 2 could attach to cleaning head or annex (not shown), and inner tube 2 second Opposed end is received in exterior tube 3.Inner tube 2 is slided along longitudinal axis 23 relative to exterior tube 23, and seal 24 It is provided at the second end of inner tube 2 in order to minimize sealing internally between pipe 2 and exterior tube 3.
Exterior tube 3 is cylinder form.The first end of exterior tube 3 is around inner tube 2, and the second opposed end is attachable To handle or flexible pipe (not shown).Opening 31 is formed in the top of exterior tube 3, and is positioned near the first end of pipe 3.Outward Portion's pipe 3 includes a pair of the lugs 32 being positioned on the opposite side of opening 31, and a stop for end for being positioned at opening 31 Part 33.As described below, lug 32 is used as the fulcrum for snap component 4, and retainer 33 is used to limit the fortune of each component 4 It is dynamic.
The snap component 4 includes fastener 41 and leaf spring 42.
Fastener 41 is integral type body portion, and it includes button 43 and locking column 44.Fastener 41 is being positioned at the He of button 43 Exterior tube 3 is pivotally mounted at pivotal point 45 between locking column 44.More particularly, fastener 41 includes a pair of recesses 46, It is positioned on the opposite side of fastener 41.The lug 32 of exterior tube 3, its is substantially rectangular shape, is seated in recess 46 and uses Act on the fulcrum of fastener 41.
Leaf spring 42 is fixed to the downside of fastener 41, and is fixed to the inner side of exterior tube 3.More specifically, fastener 41 is wrapped Passage is included, the first end of leaf spring 42 is plugged into.Similar, exterior tube 3 includes being formed in the passage inside exterior tube 3, Second opposed end of leaf spring 42 is plugged into.Thus leaf spring 42 extends between fastener 41 and exterior tube 3.In fastener Between 41 and exterior tube 3 extend in the case of, leaf spring 42 by the button 43 of fastener 41 lower section.Leaf spring 42 is biased power F is to fastener 41.Biasing force F is acted at the point being positioned between pivotal point 45 and locking column 44 in a downwardly direction.As a result, partially Pressure F by locking column 44, downwardly draw by inner tube 2.
Fastener 41 is pivoted between latched position (Fig. 3) and unlocked position (Fig. 4).Fastener 41 is inclined by leaf spring 42 Pressure F is biased into latched position.When fastener 41 is in latched position, locking column 44 protrudes into two projections of pipe 2 internally In recess 22 between portion 21.Inner tube 2 is then prevented from relative to the motion of exterior tube 3.Especially, when inner tube 2 to the left During right motion, one in the abutment lug portion 21 of locking column 44, in order to prevent any further motion.Fastener 41 is by pressing Pressure button 43 moves to unlocked position.When button 43 is depressed, fastener 41 overcomes the biasing force F of leaf spring 42 around pivotal point 45 pivot.As a result, locking column 44 is pivoted up.Locking column 44 then lifts off recess 22 and jut 21.Inner tube 2 is then It is free to be horizontally slipped relative to exterior tube 3.When button 43 discharges, leaf spring 42 pulls down locking column.Depending on interior The position of portion's pipe 2, locking column 44 is pulled in recess 22 or in jut 21.In former case, card Fastener 41 returns to latched position.In latter case, locking column 44 jut 21 slide on top until locking column more than 44 One recess 22 aligns and is snapped into the recess, and fastener 41 returns to latched position at this point.
As shown in Figures 3 and 4, the retainer 33 of exterior tube 3 limits both motions up and down of fastener 41.Work as button 43 are depressed and when locking column 44 is pivoted up, when locking column 44 crosses jut 21 under the adjoining of locking column 44 retainer 33 Side.Thus the further downward stroke of button 43 is prevented from, and user is provided the instruction that fastener 41 is in unlocked position. When button 43 is released and leaf spring 42 pulls down locking column 44, when fastener 41 is flushed with exterior tube 3, fastener 41 is adjacent Connect the top of retainer 33.Therefore, although during when fastener 41, locking column 44 protrudes into recess 22 in latched position when, in lock Small―gap suture is still suffered between the top of fixed column 44 and inner tube 2.It is position that exterior tube 3 is flushed by the way that fastener 41 is stopped Place, flushes when fastener 41 is in latched position with exterior tube 3.This then have have an advantage that fastener 41 in use will not Unexpectedly it is hooked on article, for example in home decoration or curtain.In addition, by limiting fastener 41 towards latched position Stroke during motion, the less formation of button 43 is required so that and moved towards unlocked position in by fastener 41.
The offer of the leaf spring 42 extended between fastener and exterior tube 3 allows that snap component 4 realizes relatively low appearance. The snap component of traditional rod potentially includes helical spring, and it is positioned at button lower section or locking column top.However, helical spring Use the total height that increased snap component.Additionally, the wall using needs above or below fastener of helical spring so that Spring can be against the wall.By using leaf spring 42, the shallower attitude for spring itself can be implemented.Additionally, spring In order to bias the wall of the exterior tube 3 that fastener 41 is abutted along against fastener 41 position rather than positioned at fastener top or under Side.As a result, can be implemented with the snap component 4 compared with low profile.
The fastener of traditional rod can include pivot element, and wherein button and locking column is connected to the element.Swing Element is then sandwiched between inner tube and exterior tube.The button pressed downwards of fastener are caused that swing element swings to inner tube On surface.Although the configuration of relative compact can be implemented in the case of such fastener, swing element is in buckle Part continues to contact inner tube when being in unlocked position.As a result, inner tube relative to the motion of exterior tube due to swing element It is caused friction and less smooth.In the case of telescopic rod 1 as herein described, fastener 41 is pivotally mounted to outer Portion's pipe 3.Therefore, when button 43 is depressed and fastener 41 is pivoted to unlocked position, any part of fastener 41 is not Contact inner tube 2.As a result, inner tube 2 can be implemented relative to the smoother motion of exterior tube 3.
The biasing force F applied by leaf spring 42 is acted in a downwardly direction.As a result, locking column 44 is pulled down by leaf spring 42.Can think As the biasing force applied by leaf spring 42 can be acted in upward direction.In this case, button 43 is upward by leaf spring 42 Push away.This can for example by causing that leaf spring 42 is biased power realizing directly below in button 43.Fastener 41 and/or outer Portion's pipe 3 is in can be stroke including retainer in order to limit button 43.Alternatively, fastener 41 is pivotably mounted to exterior tube 3 mode can be varied so that fastener 41 will not push away pivotally mounted portion by leaf spring 42.If however, biasing force along to Upper direction effect, fastener 41 is by by the lug 32 of somewhat lift-off exterior tube 3 (or other pivotally mounted portions).The behavior is due to card Error between fastener 41 and exterior tube 3 and it is inevitable.Therefore, when button 43 is depressed, fastener 41 will not direct pivot Turn, but move downward until the lug 32 of the engaging external pipe 3 of fastener 41.Fastener 41 starts to pivot only at this point. Thus button 43 needs farther distance of advancing, in order to fastener 41 is moved into unlocked position from latched position.It is another Aspect, when biasing force F is acted in a downwardly direction, fastener 41 is pulled downward on the lug 32 of exterior tube 3.Therefore, when pressing When button 43 is depressed, fastener 41 is pivoted immediately.Thus button 43 needs less stroke, in order to by fastener 41 from locking Position moves to unlocked position.As a result, greater compactness of configuration can be implemented.Especially, smaller gap can be used in outer Between portion's pipe 3 and inner tube 2.
Button 43 includes bossing, and it is used for user on fastener 41 should press the visual detector of where.However, Visual detector can be achieved by other means, such as toothed section or other surface textures.Additionally, fastener 41 can Do not include visual detector.Foot, although button 43 shown in the figure includes bossing, it should be appreciated that button 43 is only So that fastener is pivoted to the part of unlocked position from latched position when fastener 41 is pressed, and button 43 can with it is raised, Sawtooth is flat.
In addition to relative compact, the snap component 4 of telescopic rod 1 is relatively easy to assembling.Assembling is by by leaf spring 42 the second end inserts the passage of exterior tube 3 and starts.The first end of leaf spring 42 is then pushed upwardly through exterior tube 3 In opening 31；This can be implemented by getting at the first end inside of exterior tube 3.Fastener 41 and then by by leaf spring 42 first end is inserted into the passage that is formed on the downside of fastener 41 and is fixed to leaf spring 42.Leaf spring 42 is then by lightly Unclamp so that fastener 41 is drawn into the opening 31 in exterior tube 3.Lug 32 in exterior tube 3 is in can be to be seated in In the recess 46 of fastener 41.At this point, fastener 41 is pivotally mounted to exterior tube 3, and can in latched position and Moved between unlocked position.Finally, button 43 is depressed, then interior in order to fastener 42 is moved into unlocked position Portion's pipe 2 is inserted into exterior tube 3.

Claims (6)

1. a kind of telescopic rod for vacuum cleaner, the rod includes inner tube, exterior tube and snap component, wherein
The snap component includes fastener and leaf spring；
Fastener is pivotally mounted to exterior tube and including button and locking column；
Leaf spring extends between fastener and exterior tube, and is biased power to fastener；
Fastener is pivoted between the locked and unlocked positions, and fastener is biased into latched position by biasing force, and Press push button causes that fastener is pivoted to unlocked position；And
When fastener is in latched position, locking column engagement inner tube so that inner tube is prevented from relative to the motion of exterior tube, And when fastener is in unlocked position, locking column is disengaged with inner tube so that motion of the inner tube relative to exterior tube It is allowed to.
2. telescopic rod as claimed in claim 1, wherein biasing force is acted in a downwardly direction.
3. telescopic rod as claimed in claim 1 or 2, wherein leaf spring under the button pass through by side.
4. telescopic rod as claimed in claim 1 or 2, wherein leaf spring is fixed to the downside of fastener at one end, and in phase The inner side of exterior tube is fixed to end.
5. telescopic rod as claimed in claim 1 or 2, wherein when in latched position, fastener is flushed with exterior tube.
6. telescopic rod as claimed in claim 1 or 2, wherein when in unlocked position, fastener does not contact inner tube.
CN201610978543.XA 2015-11-06 2016-11-07 For the telescopic rod of vacuum cleaner Pending CN106821146A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1519659.5 2015-11-06
GB1519659.5A GB2544105B (en) 2015-11-06 2015-11-06 Telescopic wand for a vacuum cleaner

Publications (1)

Publication Number Publication Date
CN106821146A true CN106821146A (en) 2017-06-13

Family

ID=55132435

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610978543.XA Pending CN106821146A (en) 2015-11-06 2016-11-07 For the telescopic rod of vacuum cleaner

Country Status (4)

Country Link
US (1) US20170127899A1 (en)
JP (1) JP6362658B2 (en)
CN (1) CN106821146A (en)
GB (1) GB2544105B (en)

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CN107260064A (en) * 2017-08-08 2017-10-20 苏州欧圣电气工业有限公司 Adapter assembly and dust catcher for dust catcher

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USD860562S1 (en) 2017-09-19 2019-09-17 Kärcher North America, Inc. Vacuum wand
JP1673232S (en) * 2019-10-24 2021-04-19
USD1024471S1 (en) * 2022-04-29 2024-04-23 Poolelf Smart Technology Co., Ltd. Vacuum cleaner head

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Also Published As

Publication number Publication date
JP2017094069A (en) 2017-06-01
GB2544105A (en) 2017-05-10
JP6362658B2 (en) 2018-07-25
GB201519659D0 (en) 2015-12-23
GB2544105B (en) 2018-05-02
US20170127899A1 (en) 2017-05-11

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Effective date of abandoning: 20200721