CN102038466A - Control device for unreeling speed of reel - Google Patents
Control device for unreeling speed of reel Download PDFInfo
- Publication number
- CN102038466A CN102038466A CN2009103081387A CN200910308138A CN102038466A CN 102038466 A CN102038466 A CN 102038466A CN 2009103081387 A CN2009103081387 A CN 2009103081387A CN 200910308138 A CN200910308138 A CN 200910308138A CN 102038466 A CN102038466 A CN 102038466A
- Authority
- CN
- China
- Prior art keywords
- centrifugal
- speed
- loop line
- control unit
- support
- 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
Links
Images
Landscapes
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
Abstract
The invention discloses a control device for the unreeling speed of a reel, which comprises a thread spool, wherein one side of the thread spool is provided with a bracket and the other side is provided with a coil spring box, and the bracket side is provided with an unreeling key and a brake wheel. The control device also comprises a rotating shaft rotatably arranged at the lower edge of a power lead inlet, a centrifugal damper fixedly arranged at one end of the rotating shaft and a cavity formed on the bracket and used for accommodating the centrifugal damper inside. The function of speed limit can be realized without using springs, the motion of a power lead is reacted against by using the action generated by the power lead, and when the return speed is low, the speed limit is eliminated, especially, the control device is used for not limiting the speed of the thread spool but directly limiting the speed of the power lead, thereby ensuring that the power lead is more compactly wound.
Description
Technical field
The present invention relates to a kind of dust catcher; Particularly relate to the loop line speed control unit of a kind of dust catcher with winder.
Background technology
Usually, vacuum cleaner is to utilize vacuum to produce suction to suck air, makes air flow through various filters, airborne foreign matter is filtered the device in the cleaning chamber.
In general, vacuum cleaner mainly comprises aspirator and suction line, with motor and blower fan is that the aspirator that dominant shape becomes is arranged in the body, suction line comprises suction nozzle and air intake duct, and the air entry of the oriented under shed of suction nozzle and telescoping tube and flexible pipe by air intake duct communicate with the air inlet of body inner blower.During the dust catcher running, the impeller of motor drives blower fan rotates at a high speed, and the air in the dust catcher is discharged, and forms instantaneous vacuum in dust catcher, and forms a quite high Negative Pressure Difference between the ambient atmosphere.Under the effect of this Negative Pressure Difference, near the dust the suction nozzle sucks in the dust bucket in the body by air entry together with air.The air that contains dust after filtering, flows back to the dust catcher outside from air outlet again in the body dust bucket.Like this, just reach the effect of dust out, clean floor.The suction rate of vacuum cleaner is divided into a plurality of class of operating control, adapts to the scope of operation of different cleaning objects such as ground, bed surface, sofa, corner, so that aspirate dust everywhere better.
Press the use and the moving method of vacuum cleaner, can be divided into horizontally, vertical, portable etc., little foreign matters such as dust clean: ground such as vertical easy cleaning woollen blanket with comparalive ease in the wherein horizontal family that is mainly used in; The portable narrow positions such as step, desktop of easily cleaning.
In addition, vacuum cleaner can be divided into filer element type, cyclone type to the mode that foreign matters such as dust, hair filter by it.Wherein filer element type makes the air that contains foreign matter flow through a kind of dry goods dust bag, foreign matter filtered to change dust bag periodically, and cyclone type makes the suction air generation swirling flow that contains foreign matter, fall the bottom surface with sucking the deadweight effect tenesmus of airborne foreign matter in rotary course, do not need dust bag, its use amount just constantly rises.
The horizontal dust collector body is short and small, and power line inconvenience also can't hang on the fuselage.Be the good looking appearance that keeps fuselage integral body and complete, usually in vacuum cleaner bottom, be provided with winder, and above drain pan middle part, be provided with the coil winder press key that control reeler rotates, spaced winding has power line in the winder wheel disc, power-line plug is retained in the rear portion at the drain pan back side, supplies to pull out attaching plug and power line during use.
Fig. 1 is the structural representation of a kind of vacuum cleaner reel of prior art.As shown in Figure 1, vacuum cleaner reel of the prior art comprises bobbin 1, loop line button 2, support 3 and braked wheel 4, the centre of described bobbin is run through and is provided with roll, power line twines thereon, one side of described bobbin is equipped with support, and opposite side is equipped with coil spring box, and the wind spring dish is in coil spring box, when pulling out power line, drive the bobbin rotation, make wind spring tighten up; Push following winder loop line braking button bobbin is loosened, the bobbin reverse rotation is twined power line and is regained.
The winder braking button that the bracket side top of described bobbin is provided with, this winder braking button is fixedly installed on an end of the brake arm of inclination, the other end of described brake arm rotatably is provided with the braking locating wheel, described braking locating wheel is meshed with groove on the bobbin dish neighboring, control by this braking locating wheel, make that the bobbin dish can overcome the elastic force of wind spring and keep transfixion when pulling out power line.When described winder braking button moved downward, the wind spring in coil spring box was in elastic force effect turning down and regain power line.
But there is following shortcoming in the wire-retracting device of the vacuum cleaner reel of prior art, and bobbin is in the process of loop line, in the first wind spring power maximum of beginning loop line, along with the power output of the continuation wind spring of loop line reduces gradually, dust catcher can not at the uniform velocity stable loop line in loop line, makes the power line revolution not smooth.
Especially the power line disengaging bobbin that usually takeoffs when loop line, this is because in the process of rotation at a high speed, the speed of line has surpassed the speed of axle, is to cause winding very easily like this, causes not loop line of power line.
So just be necessary power line is carried out speed restriction, design some structures and make the power line loop line speed can be too not fast.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the prior art shortcoming, provides a kind of simple in structure, control structure that can control reeler loop line speed.
The technical solution adopted in the present invention is:
A kind of winder loop line speed control unit comprises bobbin, and a side of described bobbin is provided with support, and opposite side is provided with coil spring box, and described bracket side is provided with loop line button and braked wheel; Also comprise the rotating shaft that can be rotatably set in power line inlet lower edge, be arranged on the centrifugal damper of rotating shaft one end regularly, be formed on the support and centrifugal damper is held wherein cavity.
Described centrifugal damper comprises: be fixed in the centrifugal stiff end at coil spring box outer side center place, along centrifugal stiff end bilateral symmetry two support arms that extend to form, and centrifugal of end who is separately positioned on support arm.
Described centrifugal stiff end, support arm and centrifugal are formed as one.
Described centrifugal big more away from the support arm volume more.
Described cavity is a circular cylindrical cavity, and it can hold wherein and keep certain space with the periphery of centrifugal damper centrifugal.
The invention has the beneficial effects as follows: do not use the just effect of energy realization speed restriction of spring, the motion that is used for reacting on power line itself that has utilized power line itself to produce, and when loop line speed is slow, the speed restriction can be cancelled, particularly the present invention that outstanding is and be not the speed of simple restriction bobbin, but directly limit the speed of power line, this just make power line on axle around compacter.
Description of drawings
Fig. 1 is the perspective view of prior art vacuum cleaner reel;
Fig. 2 is the perspective view of winder of the present invention;
Fig. 3 is the side view of winder shown in Figure 2;
Fig. 4 is the partial enlarged drawing of A portion among Fig. 3;
Fig. 5 is the stereogram of loop line speed control unit of the present invention.
The specific embodiment
Be described in further detail below in conjunction with the loop line speed control unit of the drawings and specific embodiments vacuum cleaner reel of the present invention:
Extremely shown in Figure 5 as Fig. 2, one side of the bobbin 1 of the vacuum cleaner reel with speed limitation function of the present invention is provided with support 3, opposite side is provided with coil spring box, described support 3 one sides are provided with loop line button 2 and braked wheel 4, it also comprises a rotating shaft 10 that can be rotatably set in power line inlet lower edge, be arranged on the centrifugal damper of rotating shaft 10 1 ends regularly, on support 3, correspondingly form circular cavity, to hold the centrifugal friction arrestment mechanism.Certainly, also two centrifugal dampers and cavity can be set symmetrically at the two ends of rotating shaft 10, to reach the better application effect.
The periphery of rotating shaft 10 is coarse and made by the material of big density, it can be solid construction or cavity, but the structure that is preferably its design has maximum rotary inertia, and the rotating shaft 10 that has than large rotating inertia itself just plays restriction to the acceleration of line.
Described centrifugal damper comprises the centrifugal stiff end that is fixed on rotating shaft 10 1 ends with one heart, stretch out in the corresponding both sides of centrifugal stiff end and to be formed with two support arms 121 symmetrically, 122, the end of two support arms is formed with centrifugal 123 respectively, 124, described two centrifugal outer rims are looked at each other end to end and are formed a circle, and centrifugal big more and stopped before arriving another support arm away from its corresponding support arm volume more.Wherein, centrifugal big more away from the support arm volume more, and easier support arm and centrifugal basis of making under action of centrifugal force deformation takes place.Centrifugal stiff end, support arm and centrifugal can be integrated, and the material that deformation can take place in general employing is made, as hard rubber or wear-resisting soft plastic.
Certainly; any restriction that support arm and corresponding centrifugal shape and quantity are not subjected to the foregoing description; centrifugal shape satisfies the enough variablees of generation when having big rotating speed; when " expansion " takes place and cavity inner wall come in contact friction with to the rotating shaft speed limit, all within protection scope of the present invention.
As shown in Figure 2, centrifugal is included in circular cylindrical cavity inside with one heart, and in static, the inwall of the periphery of centrifugal formed circle and cavity 15 remains with certain distance.
Below by the course of work with vacuum cleaner reel of speed limitation function of the present invention being carried out simple declaration in the hope of better setting forth the present invention:
Power line slips on rotating shaft and the rotation of driven rotary axle during take-up, centrifugal damper rotates simultaneously, after loop line begins a period of time, the linear velocity of power line increases fast, the rotary speed of rotating shaft and centrifugal damper increases thereupon, the centrifugal also corresponding increase of suffered centrifugal force, thereby make the effective diameter of centrifugal residing circumference increase, when the linear velocity of power line is increased to a critical value, centrifugal just contacts with the inwall of cavity and rubs, just the rotating speed to rotating shaft plays restriction, speed difference between rotating shaft and the power line makes and is converted into sliding friction by rolling friction between rotating shaft and the power line, because force of sliding friction is much larger than force of rolling friction, the linear velocity of power line can obtain restriction like this, when the linear velocity of power line is less, centrifugal disengages with circumferential wall under the effect of resilient support arms, do not produce damping force, rotating shaft is to the resistance force diminishes of electric wire, and electric wire is loop line smoothly.
The present invention does not use the just effect of energy realization speed restriction of spring, the motion that is used for reacting on power line itself that has utilized power line itself to produce, and when loop line speed is slow, the speed restriction can be cancelled, particularly the present invention that outstanding is and be not the speed of simple restriction bobbin, but directly limit the speed of power line, this just make power line on axle around compacter.
It is worthy of note; protection scope of the present invention is not limited to above-mentioned instantiation mode, and according to basic fundamental design of the present invention, those of ordinary skills need not through creative work; the embodiment that can associate all belongs to protection scope of the present invention.
Claims (5)
1. a winder loop line speed control unit comprises bobbin (1), and a side of described bobbin (1) is provided with support (3), and opposite side is provided with coil spring box, and described support (3) side is provided with loop line button (2) and braked wheel (4); It is characterized in that: also comprise the rotating shaft (10) that can be rotatably set in power line inlet lower edge, be arranged on the centrifugal damper of rotating shaft (10) one ends regularly, be formed on that support (3) is gone up and centrifugal damper is held wherein cavity (15).
2. winder loop line speed control unit according to claim 1, it is characterized in that: described centrifugal damper comprises: the centrifugal stiff end that is fixed in coil spring box outer side center place, along centrifugal stiff end bilateral symmetry two support arms that extend to form, and centrifugal of end who is separately positioned on support arm.
3. winder loop line speed control unit according to claim 2 is characterized in that: described centrifugal stiff end, support arm and centrifugal are formed as one.
4. winder loop line speed control unit according to claim 3 is characterized in that: described centrifugal big more away from the support arm volume more.
5. winder loop line speed control unit according to claim 1 is characterized in that: described cavity (15) is a circular cylindrical cavity, and it can hold wherein and keep certain space with the periphery of centrifugal damper centrifugal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103081387A CN102038466A (en) | 2009-10-09 | 2009-10-09 | Control device for unreeling speed of reel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103081387A CN102038466A (en) | 2009-10-09 | 2009-10-09 | Control device for unreeling speed of reel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102038466A true CN102038466A (en) | 2011-05-04 |
Family
ID=43905269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103081387A Pending CN102038466A (en) | 2009-10-09 | 2009-10-09 | Control device for unreeling speed of reel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102038466A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103130043A (en) * | 2011-11-25 | 2013-06-05 | 乐金电子(天津)电器有限公司 | Damping structure for decelerating dust collector wire winding wheel |
| CN103385670A (en) * | 2012-05-07 | 2013-11-13 | Lg电子株式会社 | Vacuum cleaner |
| CN105576589A (en) * | 2014-10-14 | 2016-05-11 | 北京星光影视设备科技股份有限公司 | Follow-up retracting cable winder damping device |
| CN113932534A (en) * | 2021-07-22 | 2022-01-14 | 海信（山东）冰箱有限公司 | Refrigeration device |
-
2009
- 2009-10-09 CN CN2009103081387A patent/CN102038466A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103130043A (en) * | 2011-11-25 | 2013-06-05 | 乐金电子(天津)电器有限公司 | Damping structure for decelerating dust collector wire winding wheel |
| CN103130043B (en) * | 2011-11-25 | 2016-08-10 | 南京乐金熊猫电器有限公司 | The damping structure that vacuum cleaner reel slows down |
| CN103385670A (en) * | 2012-05-07 | 2013-11-13 | Lg电子株式会社 | Vacuum cleaner |
| CN103385670B (en) * | 2012-05-07 | 2015-12-23 | Lg电子株式会社 | Vacuum cleaner |
| CN105576589A (en) * | 2014-10-14 | 2016-05-11 | 北京星光影视设备科技股份有限公司 | Follow-up retracting cable winder damping device |
| CN105576589B (en) * | 2014-10-14 | 2018-02-02 | 北京星光影视设备科技股份有限公司 | Servo-actuated folding and unfolding cable coiling device damping unit |
| CN113932534A (en) * | 2021-07-22 | 2022-01-14 | 海信（山东）冰箱有限公司 | Refrigeration device |
| CN113932534B (en) * | 2021-07-22 | 2023-09-22 | 海信冰箱有限公司 | Refrigerating apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102038466A (en) | Control device for unreeling speed of reel | |
| CN102247109A (en) | Dust collecting bucket | |
| CN102476767A (en) | Control wheel type invariable speed wire return reel of vacuum cleaner | |
| CN101843466A (en) | Novel winder for dust collector | |
| CN101176634A (en) | Braking structure of coil winder of suction sweeper | |
| CN101891087A (en) | Coil winder of dust collector | |
| CN102372196B (en) | The uniform-speed wire-returning wire winder of dust collecting fan | |
| CN101999869B (en) | Return wire speed control device for wire-winding device of deduster | |
| CN102125411A (en) | Automatic cleaning dust collection device of dust collector | |
| CN101891086A (en) | Coil winder of dust collector | |
| CN102100510A (en) | Novel reel of dust collector | |
| CN102038467A (en) | Winder preventing power line winding and knotting | |
| CN102068221B (en) | Novel reel for dust collector | |
| CN102273984A (en) | Coil winder | |
| CN102113856A (en) | Cleaner reel | |
| CN102028437A (en) | Wire returning speed control device of dust collector winder | |
| CN102188211A (en) | Winder | |
| CN101919675A (en) | Wire-retracting device for vacuum cleaner reel | |
| CN101874722A (en) | Reel of dust collector | |
| CN102018480A (en) | Dust collector reel | |
| CN102028438A (en) | Vacuum cleaner | |
| CN101422343A (en) | Dust-collector power line double-spring winder | |
| CN102113857A (en) | Wire winder | |
| CN102038468A (en) | Automatic wiring structure for wire coiler | |
| CN102100509B (en) | Dust collector wire reel capable of automatically discharging wires in use |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110504 |