CN2596235Y - Filter net fixer of fume exhaust fan - Google Patents

Abstract

The utility model relates to a filter screen fixer of a fume exhaust fan, which comprises a casing, a scroll-shaped wind chamber, a front housing plate and a filter screen, wherein the filter screen is clamped and positioned between the scroll-shaped wind chamber and the front housing plate arranged on the front edge of the casing, the front edge face of the casing is provided with an operating press key and a front cover plate, the intake opening of the scroll-shaped wind chamber is corresponding to the front edge face of the casing, the exhaust opening of the scroll-shaped wind chamber is connected and conducted with the opening of the upper edge surface of the casing, a fume exhausting mouth of a fume exhaust fan is formed, the front housing plate and the front edge of the casing are combined correspondingly, on the outer part of the intake opening of the scroll-shaped wind chamber, the cover plate is be fixedly locked by screws, the central hole of the cover plate is used as the intake opening of the scroll-shaped wind chamber, the outer part of the central hole is provided with a concave ring groove, the concave ring groove is used for fixing the filter screen, the filter screen is arranged in the concave ring groove, a projecting part is arranged on the outer part of the central hole of the cover plate, the front housing plate is provided with an intake opening, the front housing plate is combined with the front edge of the casing correspondingly, the intake opening of the front housing plate is corresponding to the intake opening of the scroll-shaped wind chamber, the projecting part of the filter screen extends into the intake opening of the front housing plate, the filter screen is clamp and fixed between the front housing plate and the scroll-shaped wind chamber, the filter screen can be disassembled and assembled conveniently, the oil on the filter screen can be cleaned conveniently, and the service life can be extended.

Description

Smoke exhaust filter screen fixture

One, technical field

The utility model relates to kitchen utensils, relates in particular to a kind of smoke exhaust filter screen fixture.

Two, background technology

Oil-containing air exhauster for kitchen is an indispensable equipment when boiling, the oil smoke that cooking food caused, and extraction that can be by smoke exhaust also is disposed to outdoorly, avoids the long-pending knot of grease, to keep the cleaning in kitchen.Existing smoke exhaust all has the function of removing cooking fume, but dissimilar smoke exhausts, and different because of its project organization and assembly determine its dismounting compound mode difference and oil smoke to draw the power of strength.

Existing smoke exhaust, be the filtering oil smoke guard to be installed mostly at the position of oil smoke suction port, but, after smoke exhaust uses a period of time, still unavoidably can be at some greases of the long-pending knot of internal body, these grease major parts will concentrate in the oil trap set on the smoke exhaust, a part of grease then can suction inlet and screen pack attached to casing inner edge wall, wind stomach on, so, the user must dismantle the smoke exhaust filter screen at set intervals No. one time, even body, clean maintenance, to guarantee smoke exhaust service life.

Existing smoke exhaust screen pack, which kind of make with material no matter be, or which kind of specification, netware as different meshes, foam, filter paper etc., all must be fixed and be locked together on the body and become one with screw, like this, when the user cleaned maintenance work at needs, dismounting and assembly operation were numerous and diverse, especially used the filtering oil smoke net of screw locking, dismantle one of the most frequent parts when being the cleaning maintenance, if often dismounting combination, not only trouble is bothersome, also is easy to cause the lax of fixing sealed effect, the hot-tempered sound of vibrations when forming the body running, thus service life reduced.

Three, summary of the invention

Main purpose of the present utility model is to overcome the above-mentioned shortcoming that existing product exists, and provide a kind of smoke exhaust filter screen fixture, it makes the fixing of filter screen and body not need to use retaining element, so that the disassembly and assembly of filter screen and removing oil smoke increase the service life.

The purpose of this utility model is realized by following technical scheme.

The utility model smoke exhaust filter screen fixture, comprise forward vertical type casing of suction openings, volute wind stomach, shroud upper panel and the filter screen of clamping location between the shroud upper panel of the volute wind stomach of casing inside and casing leading edge, casing leading edge face is provided with operation push-button and can opens into the front shroud of fixed angle, the suction inlet of volute wind stomach is in the face of the leading edge face of casing, the outlet of volute wind stomach links to each other with casing upper limb face opening and conducting becomes the oil smoke outlet of smoke exhaust, shroud upper panel is a plane plate, itself and the corresponding combination of casing leading edge; Its improvements are that the outside of described volute wind stomach suction inlet is by screw locking one cover plate, and this cover plate is an annular solid, and the centre bore of cover plate is the suction port of volute wind stomach, and this centre bore outside is provided with concave ring groove, and this concave ring groove holds fixedly filter screen; Described filter screen is the original shape reticulate body, and the centre of filter screen outwards protrudes out a protuberance, and filter screen is embedded in the concave ring groove, and its protuberance just is positioned at the centre bore outside of cover plate; Be provided with suction port in the middle of the described shroud upper panel, this shroud upper panel correspondence is combined in the leading edge of casing, make the accurately corresponding suction inlet at volute wind stomach of suction port of shroud upper panel, the protuberance in the middle of the filter screen protrudes out in suction port, and filter screen closely is clamped between shroud upper panel and the volute wind stomach.

Four, description of drawings

Fig. 1 is the utility model stereochemical structure decomposing schematic representation.

Fig. 2 is the utility model overall structure cross-sectional schematic.

Illustrate: 10 casings, 11 operation push-buttons, 12 volute wind stomaches, 13 suction inlets, 14 outlets, 15 cover plates, 16 screws, 17 centre bores, 18 concave ring grooves, 19 filter screens, 20 protuberances, 21 shroud upper panels, 22 suction port, 23 front shrouds, 24 openings.

Five, the specific embodiment

Consult shown in Figure 1, the utility model smoke exhaust filter screen fixture, comprise suction openings vertical type casing 10 forward, volute wind stomach 12, shroud upper panel 21 and between the shroud upper panel 21 of the volute wind stomach 12 of casing 10 inside and casing 10 leading edges the filter screen 19 of clamping location, casing 10 leading edge faces are provided with operation push-button 11 and can open into the front shroud 23 of fixed angle, volute wind stomach 12 is fixed on casing 10 inside, the suction inlet 13 of volute wind stomach 12 is in the face of the leading edge face of casing 10, the outlet 14 of volute wind stomach 13 links to each other with casing 10 upper limb face openings 24 and conducting, forms the oil smoke outlet of smoke exhaust; Shroud upper panel 21 is a plane plate, is provided with suction port 22 in the middle of the shroud upper panel 21, its with the corresponding combination of casing 10 leading edges after, just make the accurately corresponding suction inlets 13 of suction port 22 of shroud upper panel 21, the absorption face of formation smoke exhaust leading edge at volute wind stomach 12; By several screw (not shown) shroud upper panel 21 fixedly is locked together in the leading edge of casing 10, screw off screw after, shroud upper panel 21 can be disassembled from casing 10 leading edges, demonstrate casing inner edge surface and inner volute wind stomach 12.

Consult Fig. 1, shown in Figure 2, the outside of volute wind stomach 12 suction inlets 13 is by screw 16 lockings one cover plate 14, and this cover plate 14 is an annular solid, and the centre bore 17 of cover plate 14 is the suction port of volute wind stomach 12, these centre bore 17 outsides are provided with concave ring groove 18, and this concave ring groove 18 holds fixedly filter screen 19; Described filter screen 19 is circular reticulate body, and the centre of filter screen 19 outwards protrudes out a protuberance 20, and its section as shown in Figure 2; In the time of in filter screen 19 is embedded in concave ring groove 18, the protuberance 20 of filter screen 19 just is positioned at centre bore 17 outsides of cover plate 14.

When shroud upper panel 21 is combined in the leading edge of casing 10, the accurately corresponding suction inlet 13 of the suction port 22 of shroud upper panel 21 at volute wind stomach 12, like this, protuberance 20 in the middle of the filter screen 19 protrudes out in the suction port 22 of shroud upper panel 21, as shown in Figure 2, filter screen 19 closely is clamped between shroud upper panel 21 and the volute wind stomach 12.

The filter screen 19 of the utility model smoke exhaust oil smoke suction port end is by tight clamping location between shroud upper panel 21 and the volute wind stomach 12, so, filter screen 19 needn't be fixed by extra retaining element or fixture, simplifies the manufacturing process of filter screen 19, has reduced cost; During dismounting filter screen 19, only the shroud upper panel 21 of locking in casing 10 leading edges need be disassembled, can take off or load onto filter screen 19 easily, owing to pull down shroud upper panel 21 casing inner edge surface and inner volute wind stomach 12 are revealed, to carry out the cleaning and the maintenance of smoke exhaust inside easily.

The utility model has the advantages that, by the common clamping filter screen of the shroud upper panel of volute wind stomach and casing leading edge, and make it to locate, simple in structure, when dismounting or assembling, filter screen can directly be entrenched in body, need not use other retaining element, make the dismounting of filter screen chimeric more convenient quick, can not damage housing construction, improve its service life.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims (1)

1, a kind of smoke exhaust filter screen fixture, comprise forward vertical type casing of suction openings, volute wind stomach, shroud upper panel and the filter screen of clamping location between the shroud upper panel of the volute wind stomach of casing inside and casing leading edge, casing leading edge face is provided with operation push-button and can opens into the front shroud of fixed angle, the suction inlet of volute wind stomach is in the face of the leading edge face of casing, the outlet of volute wind stomach links to each other with casing upper limb face opening and conducting becomes the oil smoke outlet of smoke exhaust, shroud upper panel is a plane plate, itself and the corresponding combination of casing leading edge; It is characterized in that the outside of described volute wind stomach suction inlet is by screw locking one cover plate, this cover plate is an annular solid, and the centre bore of cover plate is the suction port of volute wind stomach, and this centre bore outside is provided with concave ring groove, and this concave ring groove holds fixedly filter screen; Described filter screen is circular reticulate body, and the centre of filter screen outwards protrudes out a protuberance, and filter screen is embedded in the concave ring groove, and its protuberance just is positioned at the centre bore outside of cover plate; Be provided with suction port in the middle of the described shroud upper panel, this shroud upper panel correspondence is combined in the leading edge of casing, make the suction inlet of the corresponding volute wind of the suction port stomach of shroud upper panel, the protuberance in the middle of the filter screen protrudes out in suction port, and filter screen closely is clamped between shroud upper panel and the volute wind stomach.

Images