CN201422833Y

CN201422833Y - Floor brush of suction cleaner

Info

Publication number: CN201422833Y
Application number: CN2009201848597U
Authority: CN
Inventors: 马卫宏
Original assignee: 马卫宏
Current assignee: Suzhou Howell Electric Appliances Co., Ltd.
Priority date: 2009-04-30
Filing date: 2009-04-30
Publication date: 2010-03-17
Anticipated expiration: 2019-04-30

Abstract

The utility model relates to a floor brush of a suction cleaner. The floor brush comprises a housing, wherein an air inlet is arranged on the bottom of the front end of the housing, a tubular connecting portion is formed on the back end portion of the housing, the housing consists of an upper cover and a lower cover, wherein the upper cover is detachably buckled on the lower cover, the tubular connecting portion consists of the rear end portion of the upper cover and the rear end portion of the lower cover, which are connected together, the outer wall of the tubular connecting portion is provided with external screw threads which are distributed on the outer walls of the rear end portions of the upper cover and the lower cover or are only distributed on the upper cover or are only distributed on the lower cover, a closed ring-shaped threaded ring is connected on the external screw threads through screw threads, and the threaded ring can fix the upper and the lower covers in the connecting region of the rear end portions thereof. Through depending on the screw thread locking function between the threaded ring and the tubular connecting portion, when the threaded ring is connected onthe tubular connecting portion, the upper cover and the lower cover can be completely buckled, and the floor brush can safely work. When the upper cover is needed to be opened, the threaded ring is screwed out of the tubular connecting portion, the upper cover and the lower cover are separated, thereby, users can conveniently clean inner components of the housing.

Description

The scrubbing brush of dust catcher

Technical field

The utility model relates to a kind of parts of dust catcher, relates in particular to a kind of scrubbing brush of dust catcher.

Background technology

All be connected with a scrubbing brush on the dust catcher of prior art, this scrubbing brush is that the dust separation unit of delivering to dust catcher after being used for ground dust picked up is separated.For example, be disclosed dust catcher scrubbing brush in the United States Patent (USP) of US2007/0204427A1 at publication number.As shown in Figure 4, this scrubbing brush comprises a case, and wind wheel is arranged in this case.In order to make the user conveniently to clear up to the parts in the case.Case is made of dismountable loam cake and lower cover.The rearward end of case forms a tubular junction, constitutes jointly after the rearward end splicing of this tubular junction by loam cake and lower cover, and it is used for partly being connected with the tube connector of dust catcher.In the disclosed technical scheme of this patent, reliable in order to make that tubular junction connects, also be arranged with a compacting ring that is the C type herein.Compacting ring can get rearward end with upper and lower cover and lock mutually, thereby makes loam cake and lower cover combine closely.

Find during scrubbing brush that the user states in the use, only be elastic force owing to be set in C type compacting ring on the tubular junction, and be stretched on the outer wall of connecting portion by self.This elastic force is very unreliable, if the vibrations of scrubbing brush are too big, C type compacting ring can come off from tubular junction, thereby makes upper and lower cover be separated, and influences the normal use of dust catcher, and the user is also produced potential safety hazard.

In the prior art, the tubular junction that also has the connector of use such as screw directly will be made of the rearward end of upper and lower cover locks mutually.But this mounting means makes the user become difficult when opening loam cake.In addition, be that two middle side parts by loam cake and lower cover lock mutually in addition, very big according to slit between the upper and lower cover after this lock mode locking, it is serious to leak out.

The utility model content

Safe and reliable floor brush of dust collector when the purpose of this utility model provides a kind of the use.

In order to achieve the above object, the utility model has been taked following technical scheme: a kind of scrubbing brush of dust catcher, comprise case, the front end lower bottom part of described case is provided with air inlet, the rearward end of described case forms one and is used for the tubular junction that is connected with dust catcher tube connector assembly, described case is made of a loam cake and a lower cover, described loam cake is dismountable to be fastened on and to cover under described, described tubular junction constitutes after being fastened by the rearward end of the rearward end of loam cake and lower cover, it is characterized in that: offer external screw thread on the outer wall of described tubular junction, described external screw thread is distributed on the outer wall of rearward end of the rearward end of described loam cake and lower cover simultaneously or only is distributed on the outer wall of rearward end of described loam cake or only is distributed on the outer wall of rearward end of described lower cover, one fillet of screw that is closed hoop is threaded on this external screw thread, and the described fillet of screw is with on described, lower cover fixes at the join domain that is positioned at rearward end.

Preferably, described loam cake is a transparency cover.

Preferably, the front end of described tubular junction is provided with retaining convex rib.

Preferably, the externally threaded external diameter of described tubular junction from after become big forward gradually.

The utility model compared with prior art has following advantage: by the fillet of screw of the sealing that is threaded on the tubular junction of case rearward end.Rely on the lock function of the screw thread between the fillet of screw and the tubular junction like this, the rear end join domain that makes the fillet of screw can will constitute the upper and lower cover of tubular junction by pressure radially locks firmly, thereby make when the fillet of screw is threaded in tubular junction, upper and lower covers fastens firmly, and scrubbing brush can trouble free service.When needs are opened loam cake, as long as the fillet of screw is back-outed from tubular junction, do not have the radial compaction of the fillet of screw like this, loam cake can be rapidly under cover and open, made things convenient for the user that the parts of case inside are cleared up.

Description of drawings

Accompanying drawing 1 is stereogram of the present utility model (seeing from the top down);

Accompanying drawing 2 is the disassembly diagram of scrubbing brush of the present utility model;

Accompanying drawing 3 is another stereogram of the present utility model (see from bottom to top, and be partial sectional view);

Accompanying drawing 4 is the stereogram of the scrubbing brush in the background technology;

Wherein: 1, case; 11, loam cake; 12, lower cover; 13, tubular junction; 14, air inlet; 15, retaining convex rib; 2, the fillet of screw; 3, round brush; 4, wind wheel assembly 5, belt.

The specific embodiment

An embodiment below in conjunction with 1～3 pair of utilization of accompanying drawing the technical solution of the utility model is described in detail:

As shown in the figure 1,2, from visual observation, this Pneumatic floor brush has a case 1, and the front end lower bottom part of case 1 has an air inlet 14, rearward end has a tubular junction 13, and this tubular junction 13 is used for the hard tube part of tube connector joint or direct and dust catcher.

The inside of case 1 as shown in Figure 3, air inlet 14 places at front end are equipped with a round brush 3, and round brush 3 is arranged in the inner chamber of housing 1, and the bristle on the round brush 3 extends outside the housing 1 by this air inlet 4, when round brush 3 rotates, extend housing 1 outer bristle and just ground foul can be taken up.Thereafter the wind wheel assembly 4 of being mounted in of power is provided for round brush 3, realize being in transmission connection by belt 5 between this wind wheel assembly 4 and the round brush 3, when air-flow when air inlet 14 flows into cases 1 inner chamber, the wind wheel on the wind wheel assembly 4 can rotate, and rotates thereby drive round brush 3.

Case 1 is made up of the loam cake 11 and the lower cover 12 of mutual fastening, and loam cake 11 and lower cover 12 are detachable, and the above-mentioned tubular junction 13 that is positioned at case 1 rearward end of mentioning is to constitute after rearward end by the rearward end of loam cake 11 and lower cover 12 is connected.The leading section of loam cake 11 and lower cover 12 fixes by projection and the draw-in groove structure that is separately positioned on above them, and the tubular junction 13 at rearward end place fixes by a fillet of screw 2 that is closed annular.In order to make the fillet of screw 2 to be stuck in firmly on the outer wall of tubular junction 13.As shown in the figure, the outer wall of tubular junction 13 is provided with external screw thread, and the inwall of the fillet of screw 2 is provided with internal thread, promptly is connected by thread connecting mode between tubular junction 13 and the fillet of screw 2.In this embodiment, male thread portion is distributed on the outer wall of rearward end of loam cake 11, and a part is distributed on the outer wall of rearward end of lower cover 12 in addition.Because screw thread has auto-lock function, after in a single day the fillet of screw 2 is connected on the tubular junction 13 like this, just the rearward end of loam cake 11 can be compressed mutually with the join domain of the rearward end of lower cover 12, and can not slide easily.Therefore, loam cake of Lian Jieing and lower cover can not break away from use mutually in this manner, have guaranteed that the user's is safe in utilization.In fact, the external screw thread on the tubular junction 13 also can only be distributed on the outer wall of loam cake 11 or only be distributed on the outer wall of lower cover 12, relies on the radial pressure of the fillet of screw 2 also the rearward end of loam cake 11 to be compressed mutually with the join domain of the rearward end of lower cover 12 like this.

In order to make the user observe the parts situation in the case 1 at any time, case 1 is arranged to transparency cover.In addition,, can know when to be screwed to the position, also be provided with retaining convex rib 15 at the front end of tubular junction 13 in order to make the user when twisting the fillet of screw 2 forward.And, in order to make that the user can be stubborn more tight more when twisting the fillet of screw 2, the externally threaded external diameter of offering on the tubular junction from after become big forward gradually.

The Pneumatic floor brush of present embodiment, upper and lower cover is connected firmly, and the user uses and can guarantee safety.

The foregoing description only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the personage that is familiar with this technology can understand content of the present utility model and is implemented; can not limit protection domain of the present utility model with this; all equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed in the protection domain of the present utility model.

Claims

1, a kind of scrubbing brush of dust catcher, comprise case, the front end lower bottom part of described case is provided with air inlet, the rearward end of described case forms one and is used for the tubular junction that is connected with dust catcher tube connector assembly, described case is made of a loam cake and a lower cover, described loam cake is dismountable to be fastened on and to cover under described, described tubular junction constitutes after being fastened by the rearward end of the rearward end of loam cake and lower cover, it is characterized in that: offer external screw thread on the outer wall of described tubular junction, described external screw thread is distributed on the outer wall of rearward end of the rearward end of described loam cake and lower cover simultaneously or only is distributed on the outer wall of rearward end of described loam cake or only is distributed on the outer wall of rearward end of described lower cover, one fillet of screw that is closed hoop is threaded on this external screw thread, and the described fillet of screw is with on described, lower cover fixes at the join domain that is positioned at rearward end.

2, the scrubbing brush of dust catcher according to claim 1 is characterized in that: described loam cake is a transparency cover.

3, the scrubbing brush of dust catcher according to claim 1 is characterized in that: the front end of described tubular junction is provided with retaining convex rib.

4, the scrubbing brush of dust catcher according to claim 1 is characterized in that: the externally threaded external diameter of described tubular junction from after become big forward gradually.