CN203400090U

CN203400090U - Dust collector filter device and dust collector

Info

Publication number: CN203400090U
Application number: CN201320345741.4U
Authority: CN
Inventors: 俞文生; 艾蒙德; 道克勒
Original assignee: Bo Xihua Electric Jiangsu Co Ltd
Current assignee: Bo Xihua Electric Jiangsu Co Ltd
Priority date: 2013-06-14
Filing date: 2013-06-14
Publication date: 2014-01-22
Anticipated expiration: 2023-06-14

Abstract

The utility model provides a dust collector filter device and a dust collector. The dust collector filter device comprises a filter and an end cover fixed on the filter, wherein the filter is screwed and fixed with the end cover, an anti-loosening structure is arranged between the fixation connection surfaces of the filter and the end cover, so that reverse-direction loosening of the filter and the end cover is prevented after the filter is connected and screwed with the end cover. By the design, the filter is screwed with the end cover, so that the design of the filter device is simple and the assembly technology is not complicated, and complicated assembly technology such as bolt fixation connection or ultrasonic wave welding is not needed. Moreover, the anti-loosening structure is arranged, so that loosening does not occur during the subsequent using process after the filter is screwed and fixed with the end cover.

Description

Vacuum cleaner filtering equipment and dust catcher

Technical field

The utility model relates to a kind of vacuum cleaner filtering equipment and dust catcher, especially a kind of vacuum cleaner.

Background technology

A kind of cleaning equipment that vacuum cleaner is extensively adopted by numerous families, it can produce very strong suction, so that the dust gathering on floor, carpet, metope or other body surface or foreign matter are sucked in its dirt bucket.In generally including, vacuum cleaner is provided with fuselage, connecting hose and the suction nozzle of vacuum generating device, by vacuum generating device, make fuselage interior become vacuum state and produce suction, thereby will include the air intake of dust or foreign matter by suction nozzle and connecting hose.In the fuselage of vacuum cleaner, be conventionally also provided with air filter, as cyclone separator, can be by the foreign matter of larger particles by centrifugal force and air separation and collect in dirt bucket, then the air of processing is discharged by the air discharge grille being arranged on casing.

Air filter generally comprises central filter and has the external filter of dirt bung, and central filter is fixed in this dirt bung, and general connected mode is that central filter is directly inserted in the middle perforate of dirt bung.Between external filter and dirt bung, be generally by screw and be fixedly connected with, or be fixedly connected with by ultrasonic bonding, this manufacture or assembly technology on there is very large inconvenience.

Utility model content

The purpose of this utility model is to provide a kind of vacuum cleaner filtering equipment that improves structure that has, and makes its manufacture or assembly technology convenient.

To achieve these goals, the utility model proposes a kind of vacuum cleaner filtering equipment, comprise filter and be fixed on the end cap on this filter, described filter and described end cap threaded engagement fix, at described filter, be fixedly connected with between face and be also provided with anti-loose structure with described end cap, make to prevent institute's filter after tightening and described end cap is reverse unclamps when described filter is threaded with described end cap.

So design, filter and end cap threaded engagement simplicity of design and assembly technology are uncomplicated, no longer need screw to be fixedly connected with or the Complex Assembly technique such as ultrasonic bonding, in addition, by anti-loose structure is set, filter and end cap are mutually tightened after fixing and be there will not be the phenomenon that gets loose in use procedure afterwards.

As further improvement of the utility model, described anti-loose structure comprises the first tooth of being arranged on one of described filter end and described end cap and is arranged at the second tooth on another of described filter end and described end cap, and described the first tooth matches with described the second tooth.

By the first tooth and the cooperatively interacting of the second tooth being arranged at respectively on filter end and end cap, prevent that the phenomenon that gets loose from appearring in filter and end cap after tightening.

As further improvement of the utility model, described the first tooth has the raised floor raising gradually along tightening direction and the decline face reducing gradually along tightening direction, after described filter is threaded with described end cap and tightens, described the second tooth slips over described raised floor and is resisted against described decline face.

As further improvement of the utility model, described decline face is perpendicular to the 3rd of described the first tooth place.

So design, filter and end cap mutually tighten fixing after, the second tooth can slip over along tightening direction then to fall and on decline face and by this decline face, stops and can not go back on the raised floor of the first tooth, the second tooth has been blocked the movement tendency of going back by the decline face of the first tooth, so filter and end cap along predetermined tightening direction threaded engagement tighten after just again counter-rotating unclamp, play the effect of anticreep pine, guaranteed stability in use and the effect of whole filter.

As further improvement of the utility model, described the first tooth is a kind of wedge structure.

As further improvement of the utility model, described the first tooth is for several and along being uniformly distributed on described filter end circumferencial direction, and described the second tooth is for several and along being uniformly distributed on described end cap circumferencial direction.

The indention shape by being uniformly distributed in a circumferential direction the first tooth and the second tooth, the cooperation of the first tooth and the second tooth more closely and non-loosening makes being fixedly connected with of filter and end cap more firm.

As further improvement of the utility model, described the second tooth is a convex tendon.

In addition, the utility model has also proposed a kind of dust catcher, and it comprises the vacuum cleaner filtering equipment as described in above any one.

Accompanying drawing explanation

Fig. 1 is the exploded perspective view of the utility model vacuum cleaner filtering equipment;

Fig. 2 is the partial enlarged drawing of Fig. 1;

Fig. 3 is that filter is installed to the vertical plane figure in part on end cap;

Fig. 4 is the partial enlarged drawing of Fig. 3;

Reference numeral: 10-vacuum cleaner filtering equipment; 1-filter; 11-end; 12-external screw thread; 2-end cap; 21-internal thread; 22-periphery; 3-anticreep loose structure; 31,31`-the first tooth; 311-raised floor; 312-decline face; 32,32`-the second tooth.

The specific embodiment

Figure 1 shows that the exploded perspective view of vacuum cleaner filtering equipment 10, end cap 2 is not installed to the structural representation on filter 1.As shown in Figure 1, vacuum cleaner filtering equipment 10 comprises filter 1 and is installed to the end cap 2 on filter 1.On filter 1, have on the outer ring surface of a 11， end, end 11 and be provided with external screw thread 12.On end 11, being also provided with the second tooth 32, is a kind of convex tendon.End cap 2 inner ring surfaces are provided with internal thread 21.In end cap 2, be provided with the first tooth 31 matching with the second tooth 32.The first tooth 31 and the second tooth 32 match to be fixed together and have formed anti-loose structure 3.When filter 1 is by after clockwise tightening direction precession end cap 2, external screw thread 12 and the mutual interlock of internal thread 21 and filter 1 and end cap 2 installed be fixed together, with time secure fit by the first tooth 31 and the second tooth 32 make filter 1 and end cap 2 counterclockwise mutually get loose and come.

Shown in Fig. 2, in end cap 2, there are periphery 22, the first teeth 31 and be arranged on this periphery 22.The first tooth 31 has the raised floor 311 raising gradually along clockwise tightening direction and the decline face 312 reducing gradually along tightening direction, and specifically the first tooth 31 is a kind of wedge structures.Specifically, decline face 312 is perpendicular to periphery 22.

Shown in Fig. 3 and Fig. 4, Fig. 3 is that filter 1 is installed to the vertical plane figure in part on end cap 2, the partial enlarged drawing that Fig. 4 is Fig. 3.When the clockwise threaded engagement of filter 1 screws after inlet side lid 2, the second tooth 32 being arranged on filter 1 can slip in the direction of the clock the raised floor 311 of the first tooth 31 and cross this raised floor 311, then fall on the decline face 312 of the first tooth 31, now the second tooth 32 is resisted against this decline face 312 and back counterclockwise motion again.At filter 1 and end cap 2, mutually tighten be fixed together in the situation that, if will be by filter 1 and end cap 2 when counterclockwise turning on, because being resisted against, the second tooth 32 on the first tooth decline face 312, stoped this kind of trend that counter clockwise direction is turned on or unclamped, thereby played the effect of anticreep pine, guaranteed stability in use and the effect of whole filter 10.

As shown in Figure 1, and in conjunction with Fig. 2-4, in another embodiment, the first tooth 31` forms a circumference saw-tooth ring for several and along being uniformly distributed on end cap 2 circumferencial directions, and the second tooth 32` matching with the first tooth 31` is also uniformly distributed a corresponding circumference saw-tooth ring for several and on filter end 11 circumferencial directions.When filter 1 and end cap 2 mutually tighten fixing after, the same with the secure fit mode of the first tooth 31 in above-mentioned embodiment and the second tooth 32, a plurality of the first tooth 31` in this embodiment on whole circumference saw-tooth ring and the second corresponding tooth 32` match fixing simultaneously, the cooperation of the first tooth 31` and the second tooth 32` more closely and non-loosening makes being fixedly connected with of filter and end cap more firm.

In addition, the utility model has also proposed a kind of dust catcher, and it comprises that, as the filter 10 in above-mentioned embodiment, structure and the principle of dust catcher are well known to those skilled in the art, and at this, just repeat no more.Listed a series of detailed description is above only for the illustrating of feasibility embodiment of the present utility model, and they are not in order to limit protection domain of the present utility model.Therefore not, all disengaging within equivalent embodiment that the utility model skill spirit does or change all should be included in protection domain of the present utility model.

Claims

1. a vacuum cleaner filtering equipment, comprise filter (1) and be fixed on the end cap (2) on this filter (1), it is characterized in that, described filter (1) fixes with described end cap (2) threaded engagement, at described filter (1), be fixedly connected with between face and be also provided with anti-loose structure (3) with described end cap (2), make to prevent institute's filter (1) and reverse the unclamping of described end cap (2) after tightening when described filter (1) is threaded with described end cap (2).

2. vacuum cleaner filtering equipment as claimed in claim 1, it is characterized in that, described anti-loose structure (3) comprise be arranged at described filter end (11) and described end cap (2) both one of on the first tooth (31) and be arranged at described filter end (11) and both another of described end cap (2) on the second tooth (32), described the first tooth (31) matches with described the second tooth (32).

3. vacuum cleaner filtering equipment as claimed in claim 2, it is characterized in that, described the first tooth (31) has the raised floor (311) raising gradually along tightening direction and the decline face (312) reducing gradually along tightening direction, after described filter (1) is threaded with described end cap (2) and tightens, described the second tooth (32) slips over described raised floor (311) and is resisted against described decline face (312).

4. vacuum cleaner filtering equipment as claimed in claim 3, is characterized in that, described decline face (312) is perpendicular to the 3rd (22) at described the first tooth (31) place.

5. vacuum cleaner filtering equipment as claimed in claim 3, is characterized in that, described the first tooth (31) is a kind of wedge structure.

6. vacuum cleaner filtering equipment as claimed in claim 3, it is characterized in that, described the first tooth (31) is for several and along being uniformly distributed on described filter end (11) circumferencial direction, and described the second tooth (32) is for several and along being uniformly distributed on described end cap (2) circumferencial direction.

7. vacuum cleaner filtering equipment as claimed in claim 3, is characterized in that, described the second tooth (32) is a convex tendon.

8. a dust catcher, is characterized in that comprising the vacuum cleaner filtering equipment (10) as described in above arbitrary claim.