CN102038453A - Dust collector fullness indicator - Google Patents
Dust collector fullness indicator Download PDFInfo
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- CN102038453A CN102038453A CN2009103082322A CN200910308232A CN102038453A CN 102038453 A CN102038453 A CN 102038453A CN 2009103082322 A CN2009103082322 A CN 2009103082322A CN 200910308232 A CN200910308232 A CN 200910308232A CN 102038453 A CN102038453 A CN 102038453A
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- dust
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- dust collector
- spring
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Abstract
The invention discloses a dust collector fullness indicator for reminding a user about the vacuum degree in a dust-collecting cavity of a dust collector. The indicator comprises a front cavity, a rear cavity and a connector which is connected with the front cavity and the rear cavity and fixedly connected with the front cavity, and the rear cavity can slide relative to the connector and be fixed at the top end of the connector. The collector fullness /indicator provided by the invention divides the indicator into three parts; before being drawn, the indicator has small whole length, is convenient to mount a spring, avoids damaging the spring by overly drawing out the spring; and after the spring is mounted, the rear cavity is drawn and rotated to realize stable fixation and enable the spring to be in a drawing state. The dust collector fullness indicator provided by the invention has simple structure so that various elements in the indicator are easy to match, produce and mount, and the production efficiency of the dust collector fullness indicator is greatly improved.
Description
Technical field
The present invention relates to the dust removal with machine technical field, particularly relate to a kind of dust-full indicator of dust collector.
Background technology
As shown in Figure 1, general vacuum cleaner 10 bodies comprise motor-driven chamber 4 and control of dust space 2.Have the fan (not shown) of generation suction and the motor housing H of motor (not shown) and be installed in 4 li of above-mentioned motor-driven chambers.The rear of above-mentioned motor housing H has exhaust component 9, discharges the air that has separated with foreign matter to vacuum cleaner 10 body exterior.
The place ahead one side that is positioned at the control of dust space 2 in 4 the place aheads, above-mentioned motor-driven chamber forms suction inlet 1, by between control of dust space 2 and exhaust component 9, being provided with the motor and the fan that can produce suction, so form suction at suction hose 6 places that suction inlet 1 and suction inlet are connected, above-mentioned suction inlet 1 sucks the extraneous air that contains foreign matter by suction hose 6, and the inboard of above-mentioned suction inlet 1 is provided with dust bag 3.Open and close and have the indicator 7 that shows control of dust space 2 internal air pressures on the cover 5 on 2 tops, above-mentioned control of dust space.
In addition, above-mentioned indicator 7 is referred to as the dust indicating device usually.By indicator 7, the user can be readily seen that the quantitative changeization of the foreign matter of dust bag 3 internal gatherings, thereby understands the air pressure in control of dust space 2.That is, above-mentioned indicator 7 is arranged on the 2 upside covers 5 of control of dust space, and the user judges at an easy rate in the process of cleaning whether vacuum cleaner 10 pressure inside are normal.As shown in Figure 2, above-mentioned indicator 7 structures are: the upside of shell 7c protrudes and forms the display window 7b that can observe internal state; The downside of shell 7c has the air inflow aperture 7a that is communicated with control of dust space 2.The inside of above-mentioned shell 7c comprises: along with air enters the inner elastomer 7s that shrinks or have restoring force of shell 7c by air inflow aperture 7a; Support the side of above-mentioned elastomer 7s, have the indicating device 7d of normal indicator 7g and warning indicator 7r; Be assembled in the folding pipe 7f that the soft material of rear enclosed indicator 7 one sides of above-mentioned indicating device 7d is made.
The course of action of indicator 7 with said structure is as follows: normal indicator 7g is usually located at the downside of display window 7b in the above-mentioned indicator 7.But along with the use of vacuum cleaner, gather foreign matter on the dust bag 3, because the influence of above-mentioned foreign matter, the mobile of air hindered, and 2 internal pressures reduction in control of dust space reaches vacuum state.The air inflow aperture 7a of the air of indicator 7 inside by being communicated with above-mentioned control of dust space 2 moves to control of dust space 2, behind the motor-driven chamber 4 that produces suction, is discharged to outside the dust catcher 10 by exhaust component 9 again.At this moment, the elastomer 7s of shell 7c inside shrinks, and indicating device 7d moves to the direction of air inflow aperture 7a.The normal indicator 7g that is positioned at display window 7b downside moves to the direction of air inflow aperture 7a, and the warning indicator 7r that is positioned at normal indicator 7g rear portion is positioned at display window 7b downside.At this moment, (7g, 7r) the folding pipe 7f of rear side is stretched to be fixed on indicating device 7d.
According to above-mentioned course of action, the user recognizes the abnormality of dust bag 3 according to the state of the indicating device 7d of display window 7b appearance.
After replacing dust bag 3, recover the air inflow aperture 7a that normal air flows into described indicator 7, make the air of indicator 7 inside keep normal condition by the internal pressure that makes control of dust space 2.At this moment, recovery indicating device 7d and the folding pipe 7f by elastomer 7s returns to original state.Be that normal indicator 7g is positioned at display window 7b downside.
But, elasticity is wayward sometimes for the elastomer 7s (as spring) of top dust-full indicator of dust collector, lateral shift takes place easily, cause spring easily stuck and do not move, so it is bad to make that indicating device 7d carries out dust-full demonstration, can't in time move to observation window, cause this indicator correctly to indicate the different vacuums of dust catcher inside, the user can't recognize the quantitative change situation of foreign matters such as dust bag 3 collected dusts by observation window.In addition, the action element that is comprised in this dust-full indicator of dust collector is too many, also has the coupling difficulty, complicated problems is installed.
Therefore, press at present and develop a kind of dust-full indicator of dust collector, can avoid the spring lateral shift problem in the indicator effectively, the indication to the different vacuums of dust catcher inside is realized correctly on high reliability ground, make the user can in time recognize the quantitative change situation of foreign matters such as dust collected in the dust bag by observation window, and simple in structure, easy for installation, can guarantee that the production of indicator is popularized.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of dust-full indicator of dust collector, can avoid the spring lateral shift problem in the indicator effectively, the indication to the different vacuums of dust catcher inside is realized correctly on high reliability ground, make the user can in time recognize the quantitative change situation of foreign matters such as dust collected in the dust catcher, and simple in structure, easy for installation, can guarantee that the production of indicator is popularized.
For achieving the above object, the technical scheme taked of the present invention is:
A kind of dust-full indicator of dust collector, be used to remind the vacuum of inside, user's cleaner dust-collection chamber, described indicator comprises ante-chamber and back cavity, and the connector that described ante-chamber is connected with back cavity, connector is fixedlyed connected with ante-chamber, and described back cavity connector relatively slides and is fixed on the top of connector.
Described connector and ante-chamber are for being threaded.
Described connector inserts ante-chamber inside hermetically.
Be provided with diaphragm seal between described connector and the back cavity.
Connector outside body wall is provided with guide groove, and back cavity one end forms protruding tongue accordingly.
Described guide groove is horizontal " L " shape.
Described guide groove is formed with the concave station that protruding tongue can be held in it in the end of radial component guide groove.
By above technical scheme provided by the invention as seen, dust-full indicator of dust collector provided by the invention, compared with prior art, indicator is divided into three parts, and entire length is little before stretching, makes things convenient for mounting spring, and can not damage spring because of spring is excessively pulled out, only need the pulling back cavity to rotate then after the installation, just can realize held stationary, and make spring be in extended state.And dust-full indicator of dust collector provided by the invention is simple in structure, so each element coupling in the indicator easily, produces installation easily, greatly improved the production efficiency of dust-full indicator of dust collector.
Description of drawings
Figure l is the stereogram of existing general vacuum cleaner;
Fig. 2 is the section of structure of the indicator of vacuum cleaner in the prior art;
Stereogram when Fig. 3 does not stretch for a kind of dust-full indicator of dust collector provided by the invention;
Cross sectional view when Fig. 4 does not stretch for a kind of dust-full indicator of dust collector provided by the invention;
Fig. 5 is the stereogram of a kind of dust-full indicator of dust collector provided by the invention when stretching;
Fig. 6 is the cross sectional view of a kind of dust-full indicator of dust collector provided by the invention when stretching;
Fig. 7 is the decomposition texture schematic diagram of a kind of dust-full indicator of dust collector provided by the invention;
Fig. 8 is the local enlarged diagram of a kind of dust-full indicator of dust collector provided by the invention;
The specific embodiment
In order to make those skilled in the art person understand the present invention program better, the present invention is described in further detail below in conjunction with drawings and embodiments.
Shown in Figure 8 as Fig. 3, the invention provides a kind of dust-full indicator of dust collector, this indicator comprises ante-chamber 21 and the back cavity 22 that utilizes connector 22 to link together, these two chambers are separately positioned on the two ends, the left and right sides of described indicator, described ante-chamber 21 is for being used to install the chamber of indicator 26, and described back cavity 22 is for being used for the chamber of installation action element.Described ante-chamber 21 comprises cylindrical cavity 211 and cylindrical cavity 212, and wherein, two parts cavity is integrally formed and have identical external diameter, but the internal diameter of cylindrical cavity 211 is greater than the internal diameter of cylindrical cavity 212.Indicator 26 is slidably disposed in the cylindrical cavity 211, is formed with internal thread on the inwall of cylindrical cavity 212, and 212 pairs of indicators 26 of cylindrical cavity play spacing effect.
Further, break away from, can be formed at the identical concave station of protruding tongue width in the end of radial component guide groove, like this, when protruding tongue is locked in concave station inside, just avoided the generation of break-off in order to prevent protruding tongue and radial component guide groove.
Further, the shape of guide groove is not limited to horizontal stroke " L " shape, and it can adopt spirality or at other arbitrary shapes such as " Z " shapes.
Further, be not limited between connector and the ante-chamber to adopt and be threaded, as can also on the internal face of cylindrical cavity 212, being formed with a plurality of fins, end end at connector forms a plurality of fins of rubber-like, like this when connector being inserted in the cylindrical chamber 212 when inner, fin with can realize equally cooperating of fin fixing hermetically.Further preferably, cavity 212 can have certain tapering.
To further specify the structure of this indicator by the assembling process of indicator of the present invention below:
When the assembling of indicator, in order to guarantee the air-tightness of connector 22 and back cavity 22, at first diaphragm seal is enclosed within on the connector 22, then connector 22 is inserted in the back cavity 22, this moment, protruding tongue 32 slided at the axial direction of guide groove 31, the flange 33 of connector interacts with the flange that is formed on back cavity 22 1 ends, can prevent that connector from skidding off, and simultaneously diaphragm seal also is fixed between the two.Then connector 22 and ante-chamber 21 rotations are tightened.End with spring 28 is enclosed within on the fixed part of indication body 26 then, and the two openend from cavity 211 pushed, because this moment, indicator was not drawn back, when indicator is pushed into the inner end of cavity 211, the length of spring own just can satisfy it and expose back cavity 22, the free end of spring is fixed with block 24, and block is buckled in the openend of back cavity 22.Spur back cavity 22 then, when protruding tongue 32 moves to the end of axial component of guide groove 31, guide groove direction rotation along radial component, just back cavity 22 can be fixed on the position that spring is stretched, the flange mutual extrusion diaphragm seal of connector and back cavity inside has just guaranteed the sealing between the two at this moment.
When the inside of the dust storage chamber in the dust catcher is dust-full, under the suction of motor of dust collector, the air vacuum degree of dust catcher inside constantly raises, the pressure of dust catcher inside (comprising dust storage chamber) constantly reduces, cause the pressure differential of indication body 26 both sides increasing, when surpassing the spring force of spring 28, the spring force that indication body 26 overcomes spring 28 slides in ante-chamber 21, pressure up to indication body 26 both sides averages out again, when pressure differential acquires a certain degree, indication body 26 moves in the form scope, promptly can be the user and perceives, and avoids causing the damage of machine.
Dust-full indicator of dust collector provided by the invention, compared with prior art, indicator is divided into three parts, entire length is little before stretching, make things convenient for mounting spring, and can not damage spring, only need the pulling back cavity to rotate then after the installation because of spring is excessively pulled out, just can realize held stationary, and make spring be in extended state.Thereby the present invention can high reliability ground realize correctly making the user can in time recognize the quantitative change situation of foreign matters such as dust collected in the dust catcher by observation to the indication of the different vacuums of dust catcher inside.In addition, dust-full indicator of dust collector provided by the invention is simple in structure, so each element coupling in the indicator easily, produces installation easily, greatly improved the production efficiency of dust-full indicator of dust collector.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. dust-full indicator of dust collector, be used to remind the vacuum of inside, user's cleaner dust-collection chamber, it is characterized in that: described indicator comprises ante-chamber (21) and back cavity (22), and the connector (23) that described ante-chamber (21) is connected with back cavity (22), connector (23) is fixedlyed connected with ante-chamber (21), and described back cavity (22) connector (23) relatively slides and is fixed on the top of connector (23).
2. dust-full indicator of dust collector as claimed in claim 1 is characterized in that: described connector (23) and ante-chamber (21) are for being threaded.
3. dust-full indicator of dust collector as claimed in claim 1 is characterized in that: described connector (23) inserts ante-chamber (21) inside hermetically.
4. dust-full indicator of dust collector as claimed in claim 1 is characterized in that: be provided with diaphragm seal between described connector (23) and the back cavity (22).
5. dust-full indicator of dust collector as claimed in claim 1 is characterized in that: connector (23) outside body wall is provided with guide groove (31), and back cavity (22) one ends form protruding tongue (32) accordingly.
6. dust-full indicator of dust collector as claimed in claim 5 is characterized in that: described guide groove (31) is horizontal " L " shape.
7. dust-full indicator of dust collector as claimed in claim 6 is characterized in that: described guide groove (31) is formed with the concave station that protruding tongue (32) can be held in it in the end of radial component guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103082322A CN102038453A (en) | 2009-10-13 | 2009-10-13 | Dust collector fullness indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103082322A CN102038453A (en) | 2009-10-13 | 2009-10-13 | Dust collector fullness indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102038453A true CN102038453A (en) | 2011-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103082322A Pending CN102038453A (en) | 2009-10-13 | 2009-10-13 | Dust collector fullness indicator |
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| CN (1) | CN102038453A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103124513A (en) * | 2010-09-27 | 2013-05-29 | 松下电器产业株式会社 | Device for indicating amount of collected dust, and electric cleaner with same |
-
2009
- 2009-10-13 CN CN2009103082322A patent/CN102038453A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103124513A (en) * | 2010-09-27 | 2013-05-29 | 松下电器产业株式会社 | Device for indicating amount of collected dust, and electric cleaner with same |
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Application publication date: 20110504 |