CN102578967A

CN102578967A - Controllable opening structure for bottom cover of dust collection barrel

Info

Publication number: CN102578967A
Application number: CN201110003745XA
Authority: CN
Inventors: 肖宗亮
Original assignee: LG Electronics Tianjin Appliances Co Ltd
Current assignee: LG Electronics Tianjin Appliances Co Ltd
Priority date: 2011-01-10
Filing date: 2011-01-10
Publication date: 2012-07-18

Abstract

The invention discloses a controllable opening structure for a bottom cover of a dust collection barrel, which comprises a bottom cover linkage arranged between a handle and a bottom cover and controlled by an operating rod. The bottom cover linkage comprises an L-shaped connecting rod, the bottom end of the operating rod is connected with the top end of the L-shaped connecting rod rigidly, and the rigid joint and a hinge shaft fixed with the handle of the dust collection barrel form a fulcrum. The operating rod is a swing rod moving around the fulcrum, a first vertical rod is hinged to a middle inflection point of the L-shaped connecting rod, a toothed cam is arranged at the other end of the L-shaped connecting rod and meshes with a gear, and the gear is arranged at the top end of the second vertical rod. The bottom end of the first vertical rod is inserted into the clamp block arranged at the edge of the bottom cover, a tension spring is arranged between one end of a clamping slot and a second vertical rod, a lock rod is fixedly connected to the other end of the clamping slot, and the other end of the lock rod is jointed to the edge of the bottom cover of the dust collection barrel through a fastener structure. After the controllable opening structure is applied to the dust collection barrel, a user can open the bottom cover of the dust collection barrel by a single hand. Further, opening degree of the bottom cover can be controllable, and dust flying can be avoided.

Description

The controlled involute structure that is used for uncapping under the dust bucket

Technical field

The present invention relates to a kind of structure of dust collecting bucket of dust catcher, relate in particular to a kind of following cover-opening structure of dust collecting bucket of dust catcher.

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 through 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 in dust catcher, forms instantaneous vacuum, 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 leads to through the control of dust in the air entry suction body together with air.The air that contains dust after the process filtration, 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 that control, and 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., the wherein horizontal family that is mainly used in cleans little foreign matters such as dust with comparalive ease; Ground such as vertical easy cleaning woollen blanket; 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 dust 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 against vacuum dust catcher; No matter be vertical type dust collector or horizontal dust collector; Vacuum cleaner body inside all is provided with the dust bucket of assembling dust and foreign matter, and the dust that gathers in the dust bucket and foreign matter need regularly topple over, with the normal use of guarantee vacuum cleaner.

In the prior art, the dust bucket of dust catcher comprises the control of dust staving, covers the bung at the oral area of control of dust staving; Said bung and said control of dust staving be downlink connection mutually rotationally; Usually, bung is at the infraoral of control of dust staving, when the dust in the control of dust staving need be toppled over; The bung of release receives the effect of gravity and can open hastily, and the interior dust of control of dust staving this moment can topple over out the secondary pollution that causes airborne dust hastily along with opening of bung.The dust bucket of uncapping under existing comprises separator 11 like Fig. 1, dust storage chamber 12, inlet 120, handle 121 and lower cover 13, uncap rotating shaft 131 and buckle 132.When falling dirt, a grip hand 121, another hand is opened buckle 132, and lower cover 13 is opened rapidly under the gravity effect, and dust is poured out fast, is easy to be scattered a ground and can not all pours in the dustbin, and dust is kicked up between both hands, causes antihygienic situation.

Summary of the invention

To above-mentioned prior art, the present invention provides a kind of controlled involute structure that is used for uncapping under the dust bucket, utilizes one-handed performance just can open the lower cover of dust bucket, and its aperture of opening is controlled, thereby effectively avoids dust from flying.

In order to solve the problems of the technologies described above; The technical scheme that the controlled involute structure that the present invention is used for uncapping under the dust bucket is achieved is: this controlled involute structure comprises and being arranged between dust bucket handle and the dust bucket lower cover and by the lower cover link gear of action bars control; Said lower cover link gear comprises a L shaped connecting rod; The bottom of said action bars and the top of said L shaped connecting rod are rigidly connected, and this is rigidly connected o'clock and forms a fulcrum through one with the fixing hinge axis of said dust bucket handle; Said action bars is a fork around said fulcrum activity; The middle flex point of said L shaped connecting rod is hinged with first montant; The other end of said L shaped connecting rod is provided with a band finger cam; A said band finger cam and a gears engaged, the top of said gear and one second montant is rigidly connected, and the lower end and the lower cover of said second montant are connected; Be provided with a fixture block between said lower cover and said second montant; The bottom of said first montant is inserted in the said fixture block; Be provided with extension spring between said fixture block and said second montant; A said fixture block and a button bar are connected, and the other end of said button bar combines through buckle structure with the edge of said dust bucket lower cover.

The controlled involute structure that the present invention is used for uncapping under the dust bucket, wherein, the top of said action bars is provided with a convexity, is set with a compression spring on the said convexity, and said compression spring is between action bars and dust bucket handle.The focus point of said button bar through the lower cover shape, the one of which end is arranged in said fixture block, cover under said buckle structure is positioned at said fixture block opposed edges on, the other end of said button bar combines with said buckle structure.

Compared with prior art, the invention has the beneficial effects as follows:

Have under the dust bucket of the controlled involute structure of the present invention and uncap; Increased by link gear and time to have opened the rotary resistance between bung and the control of dust staving; Make speed that the dust bucket lower cover opens rotation obviously slow down than the velocity of rotation of the dust bucket bung that this controlled involute structure is not set, the flicking action bars because compression spring,, the L shaped connecting rod of leverage and the effect of the cam gear teeth and button bar; Be little by little lower cover to be opened; Rely on operator's grip to realize the controlled of aperture, make that the dust in the control of dust staving can outwards be toppled over lentamente, effectively prevent or reduce the phenomenon that dust flies upward.In addition, one hand can be operated, the convenient use.

Description of drawings

Fig. 1 is the barrel structure of dust arrest sketch map of uncapping under a kind of in the prior art;

Fig. 2 is the cross-sectional schematic of the dust bucket of uncapping down shown in Figure 1;

Fig. 3 is the structural upright sketch map with dust bucket of the controlled involute structure of the present invention;

Fig. 4 is the cross-sectional schematic of dust bucket shown in Figure 4;

Fig. 5 is a controlled involute structure partial sketch map in the dust bucket shown in Figure 3;

Fig. 6 is a structural representation between band finger cam shown in Fig. 5 and the gear and second montant;

Fig. 7 is the partial structurtes enlarged drawing of controlled involute structure shown in Figure 5.

Among the figure:

121---dust bucket handle 13---dust bucket lower cover 131---lower cover rotating shafts

133---second montant 140---button bar 142---, first montants

143---action bars 144---band finger cam 145---gears

146---rotating shaft 147---camshaft 148---compression springs

149---extension spring 150L shape connecting rod 151---fulcrum

The specific embodiment

Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done to describe in further detail.

Like Fig. 3 and shown in Figure 4, the dust bucket that has the controlled involute structure of the present invention comprises separator 11, dust storage chamber, inlet 120, handle 121 and lower cover 13 and the rotating shaft 131 of uncapping.Wherein controlled involute structure such as Fig. 5 and shown in Figure 6; Comprise and being arranged between dust bucket handle 121 and the dust bucket lower cover 13 and by the lower cover link gear of an action bars 143 controls; As shown in Figure 6; Said lower cover link gear comprises a L shaped connecting rod 150, and the top of the bottom of said action bars 143 and said L shaped connecting rod 150 is rigidly connected, and this is rigidly connected o'clock and forms a fulcrum 151 through one with said dust bucket handle 121 fixing hinge axis; Said action bars 143 is a fork around said fulcrum 151 activities, that is: the top of said action bars 143 is provided with a convexity, is set with a compression spring 148 on the said convexity, and said compression spring 148 is between action bars 143 and dust bucket handle 121.The middle flex point of said L shaped connecting rod 150 is hinged with first montant 142, and its pin joint place forms a rotating shaft 146, and the other end of said L shaped connecting rod 150 is provided with a band finger cam 144; On the end points of L shaped connecting rod, be provided with a cam shaft 147; Said band finger cam 144 and a gear 145 engagements, the top of said gear 145 and one second montant 133 is rigidly connected, and the lower end of said second montant 133 and lower cover 13 are connected; Form an integral body thus; Be provided with a fixture block 141 between said lower cover 13 and said second montant 133, the bottom of said first montant 142 is inserted in the said fixture block 141, is provided with extension spring 149 between said fixture block 141 and said second montant 133; One end of a said fixture block 141 and a button bar 140 is connected, and the other end of said button bar 140 combines through buckle structure with the edge of said dust bucket lower cover.Said button bar 140 is through the focus point of lower cover shape, and the one of which end is arranged in said fixture block 140, said buckle structure be positioned on the lower cover 13 with said fixture block 141 opposed edges on, the other end of said button bar 140 combines with said buckle structure.

Operation principle of the present invention: as shown in Figure 7, have only button bar 140 to move right and throw off fixture block 141, lower cover 13 just can be opened; Move on first montant 142 and when throwing off fixture block 141, button bar 140 just moves to right under the pulling of extension spring 149 and have only; The operator holds dust bucket handle and action bars; 148 compressions of compression spring, L shaped connecting rod drives on first montant 142 and moves, meanwhile; Band finger cam 144 and gear 145 relative motions; After action bars 143 pressed certain distance, band finger cam 144 just and gear 145 engagements, the size that can uncap this moment through grip control.

When uncapping, hold and push bar 143, because the upper end of action bars 143 and L shaped connecting rod 150 is for being rigidly connected; And the junction forms a rotating fulcrum 151 through the rod member that is fixed on the dust bucket handle 121, the top of push bar 143, and L shaped connecting rod 150 just clockwise rotates around fulcrum 151; This moment L shaped connecting rod 150 the rotating shaft 146 at flex point place on move and drive simultaneously and move on first montant 142 and camshaft 147 is little left moves; The bottom of original first montant 142 is to be inserted in the fixture block 141 of its bottom, and owing to moving on first montant 142, then fixture block 141 is thrown off in the bottom of first montant 142; When rotating with band finger cam 144 meshed gears 145; Second montant 133 clockwise rotates around the center of gear 145, and the lower end of second montant 133 moves right, extension spring 149 pullings; Button bar 140 is drawn by extension spring 149 right sides, and lower cover 131 and dust bucket are thrown off, and crack.Grip strengthens, and band finger cam 144 can be through displacement and the rotation of rotating control gear 145, and second montant 133 drives lower cover and slowly opens around lower cover rotating shaft 131, can uncap by one-handed performance like this, and aperture is controlled, can airborne dust

Although invention has been described for top combination figure; But the present invention is not limited to the above-mentioned specific embodiment, and the above-mentioned specific embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under enlightenment of the present invention; Under the situation that does not break away from aim of the present invention, can also make a lot of distortion, these all belong within the protection of the present invention.

Claims

1. controlled involute structure that is used for uncapping under the dust bucket comprises being arranged between dust bucket handle (121) and the dust bucket lower cover (13) and by the lower cover link gear of an action bars (143) control, it is characterized in that:

Said lower cover link gear comprises a L shaped connecting rod (150), and the top of the bottom of said action bars (143) and said L shaped connecting rod (150) is rigidly connected, and this is rigidly connected and a little forms a fulcrum (151) through one with the fixing hinge axis of said dust bucket handle (121); Said action bars (143) is a fork around said fulcrum (151) activity; The middle flex point of said L shaped connecting rod (150) is hinged with first montant (142); The other end of said L shaped connecting rod (150) is provided with a band finger cam (144); Said band finger cam (144) and a gear (145) engagement; Said gear (145) is rigidly connected with the top of one second montant (133), and the lower end of said second montant (133) and lower cover (13) are connected;

Be provided with a fixture block (141) between said lower cover (13) and said second montant (133); The bottom of said first montant (142) is inserted in the said fixture block (141); Be provided with extension spring (149) between said fixture block (141) and said second montant (133); Said fixture block (141) is connected with an end of a button bar (140), and the other end of said button bar (140) combines through buckle structure with the edge of said dust bucket lower cover.

2. according to the said controlled involute structure that is used for uncapping under the dust bucket of claim 1; It is characterized in that: the top of said action bars (143) is provided with a convexity; Be set with a compression spring (148) on the said convexity, said compression spring (148) is positioned between action bars (143) and the dust bucket handle (121).

3. according to the said controlled involute structure that is used for uncapping under the dust bucket of claim 1; It is characterized in that: said button bar (140) is through the focus point of lower cover shape; The one of which end is arranged in said fixture block; Said buckle structure is positioned on the lower cover (13) and on said fixture block (141) opposed edges, the other end of said button bar (140) combines with said buckle structure.