CN201337393Y

CN201337393Y - Vacuum dust collector

Info

Publication number: CN201337393Y
Application number: CNU2007201867936U
Authority: CN
Inventors: 格雷格·L·谢迪
Original assignee: Black and Decker Inc
Current assignee: Black and Decker Inc
Priority date: 2006-11-20
Filing date: 2007-11-20
Publication date: 2009-11-04
Anticipated expiration: 2017-11-20

Abstract

The utility model relates to a vacuum dust collector, comprising a shell, a suction device, at least one shaft and a plurality of wheels. The suction device is arranged in the shell; at least one shaft is mounted on the shell at one or more assembling points; the plurality of wheels are mounted on the shaft, wherein the shaft can bend around one or more assembling points so as to absorb impact force; the vacuum dust collector may comprise at least one rod mounted onto the shell at one or more assembling points and at least one self-positioning wheel rotatably fixed on the rod; in response to the input outer force, at least one rod is operable to pivot around a shaft confirmed by at least one assembling point portion; a plurality of elastic elements can be used to restrict the pivot to reduce the input outer force. By adopting the structure of a wheel and a vibration absorbing structure, the vacuum absorber can improve the service life of the self-positioning wheel, improve the integral anti-impact performance of the vacuum dust collector, and is operable to overcome/bypass barriers such as cable, hose, wood plate or other devices or chips.

Description

Vacuum cleaner

Technical field

The utility model relates to vacuum cleaner, more particularly, relates to a kind of vacuum cleaner with wheel and shock-damping structure part (shock absorbing features).

It is that the application number submitted on November 20th, 60/954162 and 2006 is 60/859,948 U.S. Provisional Application No. that the application requires to enjoy in the application number of submitting on August 6th, 2007.The disclosed content of above-mentioned application is incorporated among the application as a reference.

Background technology

The statement of this part only provides and relates to background information of the present utility model, may not constitute prior art.

Vacuum cleaner, especially industrial station-service vacuum cleaner (shop vacuum) can be equipped with wheel so that move and the multipurpose use.Usually these wheels are installed in the vacuum cleaner rigidly.Barrier, chip and other nuisance usually are the expected working environments of many vacuum cleaners.Because of the drop impact that causes or can both damage wheel and their build-up member of vacuum cleaner in workplace and barrier collision.

The utility model content

The purpose of this utility model is to provide a kind of vacuum cleaner with wheel and shock-damping structure part.

According to one side of the present utility model, the vacuum cleaner that is provided comprises shell; Suction apparatus in the enclosure is set; At least one axle that is installed on one or more assembling point place on the shell; Be installed in a plurality of wheels at least one axle, wherein, described at least one axle is exercisable, so that crooked to absorb impulsive force around described one or more assembling point.

Preferably described one or more assembled on the centre three/part of the length that is arranged on described at least one axle.

Preferred described wheel is exercisable, so that the compression of response impact load.These wheels to small part is flexible.A plurality of openings can be arranged to pass described wheel sidewall and be beneficial to absorb impact energy.Wheel can comprise that a cavity is beneficial to compression.

This vacuum cleaner also can comprise at least one swivel wheel (caster wheel) and a plurality of bigger wheel.Described at least one swivel wheel can be installed on the pivotable bar.

Preferred shell comprises the wheel chamber that has enough gaps around described wheel, makes that described at least one axle can be along a plurality of direction free bends.

According on the other hand of the present utility model, the vacuum cleaner that is provided comprises shell; Suction apparatus in the enclosure is set; At least one axle that is installed on the shell; At least together be arranged on the groove on the shell, to hold described at least one axle and between them, to form the gap; A plurality of wheels that are installed on the described at least one axle, wherein, described at least one groove comprises at least one tapered portion, makes described at least one bending shaft to absorb impulsive force.

According to another aspect of the present utility model, the vacuum cleaner that is provided comprises shell; Suction apparatus in the enclosure is set; Be installed in a plurality of wheels on the shell, wherein, the sidewall of at least one described wheel comprises a plurality of structure safeguard structure parts (structural relief features), is beneficial to the compression of described wheel.

The preferable configuration safeguard structure is partly for extending through the opening of described wheel sidewall.

According to one side more of the present utility model, the vacuum cleaner that is provided comprises shell; Suction apparatus in the enclosure is set; At least one is installed to the bar at a plurality of assembling points place on the shell; At least one is rotatably mounted to the swivel wheel on the bar, wherein, the described at least one bar of power of response input is exercisable, so that pivot around the axle that partly limits by at least one described assembling point, a plurality of flexible members are exercisable, so that suppress described pivot, the power of the described input that decays.

Flexible member can with the bolt sliding gomphosis.The preferred elastomeric element is elastic washer or spiral compression spring.

Preferred at least one flexible member is a tension spring.And described at least one bar in a tubular form.

Described at least one swivel wheel can be elasticity at least in part.Preferred at least one swivel wheel comprises that cavity is beneficial to the absorption of impact energy.In addition, pass described swivel wheel sidewall and can be provided with the absorption that a plurality of holes are beneficial to impact energy.

Because vacuum cleaner provided by the utility model has wheel and shock-damping structure part, can improve the service life of swivel wheel and improve the whole shock resistance of vacuum cleaner, and operationally cross and/or walk around the many general barriers in job site as cable, flexible pipe, plank or miscellaneous equipment or chip and so on.

By the further scope of application of the present utility model of description hereinafter will be more obvious.Should be appreciated that these are described and instantiation only is used for explanation and is not used in the scope of the present utility model that limits.

Description of drawings

Hereinafter the description to accompanying drawing only is used for explanation, rather than limits the utility model scope of disclosure by any way.

Fig. 1 is the perspective view according to the vacuum cleaner of the utility model principle;

Fig. 2 is the bottom perspective view of vacuum cleaner, and it shows axle and bar according to the utility model principle;

The part section of Fig. 3 illustrates the bending motion of axle shown in Figure 2;

Fig. 4 is the drawing in side sectional elevation according to the wheel of the utility model principle;

Fig. 5 is the bottom view according to the vacuum cleaner of the utility model principle;

Fig. 6 is the partial, exploded perspective view according to the vacuum cleaner of the utility model principle;

Fig. 7 is the part perspective view according to the vacuum cleaner of the utility model principle;

Fig. 8 is the perspective view according to the vacuum cleaner of another embodiment of the utility model;

Fig. 9 is the drawing in side sectional elevation of damper shown in Figure 8;

Figure 10 is the fragmentary, perspective view of the vacuum cleaner of the another embodiment of the utility model;

Figure 11 is the utility model perspective view of the vacuum cleaner of an embodiment again;

Figure 12 is the side view of vacuum cleaner shown in Figure 11;

Figure 13 is according to the castor of the utility model principle (caster) side view;

Figure 14 is the castor perspective view according to alternative embodiment of the present utility model.

The specific embodiment

Following description is in fact exemplary, is not to disclosed content, purposes, or the restriction of the scope of application.Should be appreciated that, all in the accompanying drawings corresponding Reference numeral representation class like or corresponding component and structure division.

Referring to Fig. 1-7, they show the vacuum cleaner with shock-damping structure part, totally are expressed as vacuum cleaner 10.Vacuum cleaner 10 comprises the shell 12 of the suction apparatus of packing into.As known in the art, usually suction apparatus is positioned at 13 places of shell 12, and this suction apparatus comprises can produce suction, operationally collect the mechanism of dust, chip or other wet or dried refuse.For example, suction apparatus 13 can comprise the motor that drives the suction fan (not shown).Vacuum cleaner 10 can comprise that a plurality of wheels 14 and/or one or more swivel wheel 16 are so that move and flexible operating.

In an exemplary embodiment, wheel 14 is bigger than swivel wheel 16.Shown in Fig. 2 and 3, wheel 14 is rotatably mounted on the flexible axle 18.Axle 18 suitably is fixed on the shell 12, and this will be described below.Axle 18 material property can make operationally response force F and crooked and bounce back into normal configuration of axle 18.Power F can be drop with vacuum cleaner 10, vacuum cleaner 10 rolls across chip or the impulsive force to wheel 14 that is associated of plane surface or other hard situation of knowing not.

As being clear that among Fig. 3, axle 18 is fixed in the groove 20 that is arranged on the shell 12 at one or more assembling point 22 places.According to power F, axle 18 is to operate, so that around assembling point 22 along a plurality of direction bendings.As shown in Figure 3, the tapered portion 24 of groove 20 provides the gap so that axle 18 can be along a plurality of direction bendings.Assembling point 22 is positioned on the centre three/part of length of axle 18, that is to say that imagination is divided into three parts along the length of axle, described assembling point is positioned at along on the middle(-)third part of shaft length direction, and it is further crooked to be beneficial to axle 18.Bolt 26 can pass axle 18 and be arranged on assembling point 22 places, and by screw thread and shell 12 engagements.Should be appreciated that can by as other method well known in the art of bonding, clamping or stationary fit and so on axle 18 is fixed in the groove 20.

As shown in Figure 4, shell 12 comprises the wheel chamber 28 of part around wheel 14.For wheel 14, the diameter in wheel chamber 28 is enough big, makes that axle 18 can be without barrier along a plurality of direction bendings.

Wheel 14 can comprise elastic tyre portion 30.Tire 30 is exercisable, so that response impulsive force F and compress and bounce back into normal shape.Like this, elastic tyre 30 operationally absorbs impact energy, is similar to the elastic reaction of axle 18 described above.As shown in Figure 4, tire 30 also can comprise cavity 32, with its elastic performance of further raising.The sidewall of tire 30 can comprise a plurality of structure safeguard structure parts 34, further to help according to impulsive force F compressed tires 30.These structure safeguard structure parts 34 can be the openings that extends through tire 30 entire cross section, shown in Fig. 3 and 4.

Referring now to Fig. 5-7,, vacuum cleaner 10 can comprise at least one swivel wheel 16, to improve the mobility and the operability of vacuum cleaner 10.Swivel wheel 16 is rotatably mounted on the tubular rod 40.Be installed in to bar 40 pliabilities on the shell 12 to improve the overall elasticity of vacuum cleaner 10.

In an exemplary embodiment, bar 40 is fixed on the shell 12 at 42 and second group of middle assembling point of first group of end assembling point, 44 places.Bolt 46 passes that bar 40 is arranged on

assembling point

42,44 places and by screw thread or directly mesh with shell 12 engagements or with the nut (not shown) that is provided with in the enclosure.

As shown in Figure 6, first group of flexible member 48 and bolt 46 sliding gomphosis and be arranged on the bar 40 at assembling point 42 places, end and the head of bolt 46 between.Second group of flexible member 50 and bolt 46 sliding gomphosis also are arranged between the bar 40 and shell 12 at middle assembling point 44 places.Middle assembling point 44 is arranged between end assembling point 42 and the swivel wheel 16.Like this, can make bar 40 crooked according to impulsive force also around pivoting by centre assembling 44 axis that limit.This will cause

flexible member

48,50 compressions, and this compression can suppress the motion of bar 40 pivots, and make the impact energy decay.The whole shock resistance that this can improve the service life of swivel wheel 16 and improve vacuum cleaner 10.

Flexible member

48,50 can be elastic washer, spiral compression spring or any other elastic extenuation part.Swivel wheel 16 can be made of solid plastic or rubber, or alternatively constitutes with wheel 14 identical modes, as shown in Figure 4.

Perhaps, first group of flexible member 48 can be arranged on assembling point 42 places, end, the tension spring between bar 40 and shell 12.In this configuration, flexible member 48 suppresses the pivotal action and the attenuate shock energy of bar 40 according to the impulsive force tensioning.

Among another embodiment, vacuum cleaner 10 can comprise many bars.For example, each swivel wheel 16 can be installed in flexibly one independently on the bar, or many bars 40 can comprise a plurality of swivel wheels 16.

Referring to Fig. 8-9, they show another embodiment, and wherein identical Reference numeral is used for expression and the disclosed components identical of Fig. 1-7.Vacuum cleaner 100 comprises shell 12, wheel 14 and swivel wheel 16.Swivel wheel 16 is installed on the damper 110.Should be appreciated that, also wheel 14 can be installed on the damper 110.The quantity of wheel 14 and swivel wheel 16 and/or position can change, to improve operability, stability and intensity.

Each damper 110 is fixedly mounted on and can be fixed on the integrally formed support member 140 of parts on the shell 12 with shell 12 or other.As shown in Figure 9, damper 110 comprises the wheel dried 114 and the compression spring 116 of cartridge by diffusion of volatile treating agent 112, swivel wheel 16.Around damper 110, be provided with combination and the wearing and tearing of flexible protective cover 118 to prevent damper 110.

Cartridge by diffusion of volatile treating agent 112 comprises blind end 120, flange 122 and lower flange 124.Wheel is done 114 and is comprised the last blind end 120 that is arranged on cartridge by diffusion of volatile treating agent 112 and the upper flange 126 between the flange 122.Wheel is done 114 and is also comprised the lower flange 128 that is arranged between flange 122 and the lower flange 124.

Wheel dried 114 and cartridge by diffusion of volatile treating agent 112 sliding gomphosis, and can rotate therein so that swivel wheel 16 rotates, the operability of vacuum cleaner 100 improved.Wheel does 114 also can support swivel wheel 16 so that rotate around second axis of doing 114 length perpendicular to wheel.

Compression spring 116 is arranged between the upper flange 126 of the last blind end 120 of cartridge by diffusion of volatile treating agent 112 and wheel dried 114.In this configuration, compression spring 116 operationally absorbs impact energy when the dried 114 relative cartridge by diffusion of volatile treating agent 112 of impulsive force F driving wheel move upward.Wheel is done 114 scopes that move upward and is done 114 lower flange 128 restrictions by the wheel against the flange 122 of cartridge by diffusion of volatile treating agent 112.Wheel is done 114 move downward by the wheel against the lower flange 124 of cartridge by diffusion of volatile treating agent 112 and do 114 lower flange 128 restrictions.

Compression spring 116 can be a metal coil spring.In an alternative embodiment, damper 110 can comprise a plurality of compression springs 116.In another embodiment, compression spring 116 can be compressible elastic component.In another embodiment, compression spring 116 can be pneumatic or the hydraulic shock attenuating device.

Referring now to Figure 10,, the figure shows an alternative embodiment of vacuum cleaner 100, wherein the shell (not shown) can be supported by framework 170.Framework 170 can extend around the whole periphery of shell.In addition, shell and framework 170 can be configured to and can dismantle shell from framework 170 easily, to handle the refuse of collecting in the process of using vacuum cleaner 100.

Framework 170 can comprise a plurality of wheels 14 and/or swivel wheel 16.Swivel wheel 16 rotatable being installed on the support 172.Support 172 is fixed on the framework 170 by damper 180.Damper 180 can with damper 110 similar configuration among above-mentioned arbitrary embodiment.In addition, damper 180 can comprise and prevents between framework 170 and the support 172 structure division in relative rotation.

Referring to Figure 11-14, parts identical with the disclosed parts of Fig. 1-10 in the vacuum cleaner 200 shown in it are represented with identical Reference numeral.Vacuum cleaner 200 comprises shell 12, inner suction apparatus 13 and a plurality of motion supporting member 202.Motion supporting member 202 can comprise ball-nest structure, bearing, castor, low-friction surface, roller, wheel and/or other device well known in the art.

In an exemplary embodiment, motion supporting member 202 comprises wheel 14 and at least one front supporting member 210 and back support member 212.Wheel 14 can be set in place near the axle the center of the length L of shell 12 or the center.Front supporting member 210 and back support member 212 are arranged near the center or center of width W of shell 12.

Any or two of front supporting member 210 and back support member 212 can be adjusted to respect to vacuum cleaner 200 residing floors or ground and move upward.In this configuration, when floor or ground only contacted with wheel 14, vacuum cleaner 200 was operationally with respect to floor or ground motion.In this configuration, the many general barriers in job site, for example cable, flexible pipe, plank or miscellaneous equipment or chip are operationally crossed and/or walked around to vacuum cleaner 200.

Any or two of front supporting member 210 and back support member 212 can contacts with floor or ground in moving, so that additional stability and/or support to be provided to vacuum cleaner 200.

Shown in Figure 13-14, vacuum cleaner 10,100,200 can comprise at least one castor 316.Caster 316 comprises wheel 318, support member 320 and pivot device 322.Wheel 318 is operatively coupled on the support member 320.This connection can be the direct connection between wheel 318 and support member 320, or connects indirectly by axle 324.Support member 320 and wheel 318 are rotatably mounted on the device 322, are beneficial to the operation of vacuum cleaner 10,100,200.

In an exemplary embodiment, support member 320 to small part is surrounded wheel 318 and is exercisable, avoids impacting infringement with chip with protection wheel 318.Support member 320 comprises inclined surface 326 and lower surface 328, operationally makes job site barrier 330 depart from castor 316, thereby reduces the impaired risk of castor 316 and reduce the requirement of avoid-obstacles.

Perhaps, caster 316 can comprise deflector 332, as shown in figure 14.Deflector 332 can comprise first running surface 334 and second running surface 336.But running surface 334,336 each other relative positioning and with wheel 318 location, be beneficial to depart from the job site barrier, reduce the impaired risk of caster 318.

In fact only be exemplary to description of the present utility model above, thereby some conversion of being done under the prerequisite that does not break away from the utility model main points all will fall in the protection domain of the present utility model.Can think that these conversion do not exceed design of the present utility model and scope.

Claims

1. a vacuum cleaner is characterized in that, comprising:

Shell;

Be arranged on the suction apparatus in the described shell;

At least one axle that is installed on one or more assembling point place on the described shell;

Be installed in a plurality of wheels on the described at least one axle,

Wherein, described at least one axle is exercisable, so that crooked to absorb impulsive force around described one or more assembling point.

2. vacuum cleaner according to claim 1 is characterized in that, described one or more assembles on the centre three/part of the length that is set at described at least one axle.

3. vacuum cleaner according to claim 1 is characterized in that, described at least one axle is exercisable, so that along a plurality of direction bendings.

4. vacuum cleaner according to claim 1 is characterized in that described wheel is exercisable, so that the compression of response impact load.

5. vacuum cleaner according to claim 1 is characterized in that described wheel to small part is flexible.

6. vacuum cleaner according to claim 1 is characterized in that, described vacuum cleaner comprises that also a plurality of openings are arranged to pass described wheel sidewall and are beneficial to absorb impact energy.

7. vacuum cleaner according to claim 1 is characterized in that, described wheel comprises that a cavity is beneficial to compression.

8. vacuum cleaner according to claim 1 is characterized in that, described vacuum cleaner also comprises at least one swivel wheel and a plurality of bigger wheel.

9. vacuum cleaner according to claim 8 is characterized in that, described at least one swivel wheel is installed on the pivotable bar.

10. vacuum cleaner according to claim 1 is characterized in that, described shell comprises the wheel chamber that has enough gaps around described wheel, makes that described at least one axle can be along a plurality of direction free bends.

11. a vacuum cleaner is characterized in that, comprising:

Shell;

Be arranged on the suction apparatus in the described shell;

At least one axle that is installed on the described shell;

At least together be arranged on the groove on the described shell, to hold described at least one axle and between them, to form the gap;

A plurality of wheels that are installed on the described at least one axle,

Wherein, described at least one groove comprises at least one tapered portion, makes described at least one bending shaft to absorb impulsive force.

12. vacuum cleaner according to claim 11 is characterized in that, described shell is included in the wheel chamber that described wheel has enough gaps on every side, makes described at least one axle along a plurality of direction free bends.

13. a vacuum cleaner is characterized in that, comprising:

Shell;

Be arranged on the suction apparatus in the described shell;

Be installed in a plurality of wheels on the described shell,

Wherein, the sidewall of at least one described wheel comprises a plurality of structure safeguard structure parts, is beneficial to the compression of described wheel.

14. vacuum cleaner according to claim 13 is characterized in that, described structure safeguard structure is partly for extending through the opening of described wheel sidewall.

15. vacuum cleaner according to claim 13 is characterized in that, described wheel to small part is flexible.

16. vacuum cleaner according to claim 13 is characterized in that, described wheel comprises a cavity, is beneficial to the further compression of described wheel.

17. a vacuum cleaner is characterized in that, comprising:

Shell;

Be arranged on the suction apparatus in the described shell;

At least one is installed to the bar at a plurality of assembling points place on the described shell;

At least one is rotatably mounted to the swivel wheel on the described bar,

Wherein, the described at least one bar of power of response input is exercisable, so that pivot around the axle that is partly limited by at least one described assembling point, a plurality of flexible members are exercisable, so that suppress described pivot, and the power of the described input that decays.

18. vacuum cleaner according to claim 17 is characterized in that, described flexible member and bolt sliding gomphosis.

19. vacuum cleaner according to claim 17 is characterized in that, described flexible member is an elastic washer.

20. vacuum cleaner according to claim 17 is characterized in that, described flexible member is a spiral compression spring.

21. vacuum cleaner according to claim 17 is characterized in that, described at least one flexible member is a tension spring.

22. vacuum cleaner according to claim 17 is characterized in that, described at least one bar in a tubular form.

23. vacuum cleaner according to claim 17 is characterized in that, described at least one swivel wheel is elasticity at least in part.

24. vacuum cleaner according to claim 23 is characterized in that, described at least one swivel wheel comprises that cavity is beneficial to the absorption of impact energy.

25. vacuum cleaner according to claim 23 is characterized in that, passes described swivel wheel sidewall and is provided with the absorption that a plurality of holes are beneficial to impact energy.