Cowling panel has the lampblack absorber of this syndeton with the syndeton and application of touching pawlTechnical field
The present invention relates to a kind of cowling panel and the syndeton of touching pawl, this syndeton is applied on lampblack absorber, belongs to technical field of kitchen wares.The invention still further relates to the lampblack absorber that application has this syndeton.
Background technology
Existing side-suction type range hood, generally comprise exhaust fume collecting hood, cowling panel (also known as deflector or wind deflector) and blower fan, exhaust fume collecting hood is provided with air inlet, cowling panel just to this air inlet arrange and and exhaust fume collecting hood maintain predetermined spacing, thus the oil smoke passage passed through for oil smoke is formed therebetween at cowling panel and exhaust fume collecting hood, blower fan is then located in air inlet, for by oil smoke discharge to outdoor, cowling panel can play and guide oil smoke to move towards effect, and ensure that oil smoke enters air inlet from oil smoke passage uniform sequentially, finally discharged by blower fan.
Patents document can referenced patent number be ZL200820082751.2 Chinese utility model patent " a kind of close-suction range hood " (Authorization Notice No.: CN201170627Y), again can with reference to Chinese patent literature CN2453280Y and CN1971148A.Wherein, adopting two two ends all to have screw thread strut members in patent document CN2453280Y is located on exhaust fume collecting hood air intake end face by cowling panel, although structure is comparatively simple, assembling is inconvenience comparatively, and packaging efficiency is not high, if when needing cowling panel to dismantle, compare time and effort consuming again, document CN1971148A then adopts and is screwed, and screw exposes and easily around screw head, accumulates grease, affect attractive in appearance, and assembly and disassembly is still quick not.
For improving the convenience of assembling, the applicant discloses a kind of modified node method, see that the patent No. is the Chinese invention patent " installing structure of rectification plate of range hood " (Authorization Notice No. is CN101655258B) of ZL200910102220.4, this patent comprises exhaust fume collecting hood and cowling panel, exhaust fume collecting hood is provided with air inlet, cowling panel just to this air inlet arrange and and exhaust fume collecting hood maintain predetermined spacing, be connected by plug-in mounting below the air inlet of cowling panel bottom and described exhaust fume collecting hood, and upper end by inwardly pushing away namely block with above the air inlet of exhaust fume collecting hood is firmly pulled outwardly the snap-fit engagement of namely throwing off and is connected, particularly: cowling panel upper end medial surface is provided with and touches pawl, this at least side touching pawl forms buckling groove, accordingly, be provided with above the air inlet of exhaust fume collecting hood and touch seat, this touches draw-in groove seat had for touching pawl and stretching into, the side of this draw-in groove is flexibly provided with can block the aforementioned locating part touching pawl buckling groove in jail, buckling groove is arc surface, and accordingly, locating part is the steel ball that an outer surface and aforementioned arc surface coincide.When cowling panel assembling and dismounting, as long as bottom plug, can to complete card fast firm and throw off, convenient to operation with touching a push-and-pull for the pawl that touches of then upper end.
The fixed form of touching pawl and cowling panel in above-mentioned disclosed patent is as follows: first touch pawl and be connected on mounting bracket, then be fixed on cowling panel by mounting bracket, and in order to not destroy the outward appearance of cowling panel, mounting bracket can adopt welding or bonding mode to fix usually.This mounting means has a lot of weak point: fix according to welding manner, then in order to remove weldering spot, need to take the series of process measures such as polishing grinding, its operation is comparatively loaded down with trivial details; Fix according to bonding way, glue curing needs the regular hour, causes the whole production cycle elongated, affects production efficiency, and bonding way also exists the hidden danger of coming unstuck.
Summary of the invention
Technical problem to be solved by this invention provides a kind of quick for installation and cowling panel be connected firmly and the syndeton of touching pawl.
Another technical problem to be solved by this invention provides a kind of cowling panel for the above-mentioned state of the art and touches the quick for installation and lampblack absorber be connected firmly of pawl.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of cowling panel and the syndeton of touching pawl, what comprise cowling panel and be located at cowling panel upper end medial surface touches pawl, it is characterized in that this syndeton also comprises connecting elements, described cowling panel at least side has flange, this flange has through hole, the described bottom touching pawl has contiguous block, and aforesaid connecting elements is connected as a single entity by through hole on flange and with the sidewall of contiguous block from running through outside to inside.
For improving the fastness of connection further, the top of described contiguous block has a projection, and the top of described cowling panel has the crimping of inwardly winding, and aforesaid protruding limiting card is connected to the medial surface of cowling panel by this crimping.
Further, the two ends of described crimping are equipped with plug, and projection covers by this plug.
Be convenient to manufacture, described touch pawl, contiguous block and projection are formed in one.
As preferably, described connecting elements is screw, bolt or rivet.
A kind of lampblack absorber, comprise exhaust fume collecting hood and cowling panel, aforementioned exhaust fume collecting hood is provided with air inlet, cowling panel just to this air inlet arrange and and exhaust fume collecting hood maintain predetermined spacing, be connected by plug-in mounting below the air inlet of cowling panel bottom and described exhaust fume collecting hood, the upper end medial surface of cowling panel is provided with by syndeton and touches pawl, accordingly, be provided with above the air inlet of described exhaust fume collecting hood with aforementioned touch pawl snap-fit engagement touch seat, it is characterized in that aforesaid syndeton comprises connecting elements, described cowling panel at least side has flange, this flange has through hole, the described bottom touching pawl has contiguous block, aforesaid connecting elements is connected as a single entity by through hole on flange and with the sidewall of contiguous block from running through outside to inside.
Compared with prior art, the invention has the advantages that: the flange utilizing contiguous block and cowling panel, realize connecting fast in conjunction with connecting elements, and firm and reliable connection, further, by protruding and the spacing cooperation of crimping, both fastnesses are enhanced, installation procedure is relatively simple again simultaneously, is easy to realize.
Accompanying drawing explanation
Fig. 1 is example structure schematic diagram.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is the decomposition installation diagram of Fig. 1.
Fig. 4 is A portion enlarged drawing in Fig. 2.
Fig. 5 is B portion enlarged drawing in Fig. 3.
Fig. 6 is embodiment using state reference diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As Fig. 1 ~ Fig. 5, what the cowling panel in the present embodiment and the syndeton of touching pawl comprised cowling panel 1 and be located at cowling panel 1 upper end medial surface touches pawl 2, cowling panel 1 both sides have flange 11, top has the crimping 12 of inwardly winding, bottom has a row and assists oil smoke hole 13, flange 11 has through hole 14, and the bottom touching pawl 2 has contiguous block 21, contiguous block 21 sidewall has link slot 23, and connecting elements 3 is from running through outside to inside by through hole on flange 14 and being connected as a single entity with the sidewall of contiguous block 21.
The top of contiguous block 21 has a projection 22, and protruding 22 limiting cards are connected to the medial surface of cowling panel 1 by crimping 12.The two ends of crimping 12 are equipped with plug 4, and projection 22 covers by this plug 4, plays certain decoration function simultaneously.Touch pawl 2, contiguous block 21 and projection 22 in the present embodiment are formed in one.Connecting elements 3 in the present embodiment is screw, can certainly adopt bolt or rivet.
As shown in Figure 6, exhaust fume collecting hood 5 is provided with air inlet 51, cowling panel 1 just this air inlet 51 is being arranged and and exhaust fume collecting hood 5 maintain predetermined spacing, be connected by plug-in mounting below the air inlet of cowling panel 1 bottom and exhaust fume collecting hood 5, the upper end medial surface of cowling panel 1 is provided with two by syndeton and crashes pawl 2, accordingly, the seat 6 that to crash with touch pawl 2 snap-fit engagement two is provided with above the air inlet of exhaust fume collecting hood 5.Here touch pawl 2 and touch the Chinese invention patent " installing structure of rectification plate of range hood " (Authorization Notice No. is CN101655258B) that the concrete assembly structure of seat 6 can refer to patent ZL200910102220.4.