A kind of protector of laminar flow hood air inlet
Technical field:
The present invention relates to the technical field of purifier, specifically relate to a kind of protector of laminar flow hood air inlet.
Background technology:
Laminar flow hood is that air by after high efficiency particulate air filter, is formed equal fluid layer with wind speed definitely, makes pure air be vertical way flow, thus ensure that in workspace the high-cleanness, high reaching technological requirement.The mounting means of laminar flow hood is mainly divided into two kinds, suspension type is installed and console mode installation, and be no matter the laminar flow hood of suspension type or console mode, the air inlet of laminar flow hood is all generally be arranged on the tip position of laminar flow hood, and generally all one deck screen pack can be set, play the effect of initial filter.But laminar flow hood is not working time (or shelve for a long time do not work), and the air inlet of laminar flow hood is arranged on the top of laminar flow hood, have some grieshoch impurity buildups unavoidably on the screen pack of air inlet, the part on screen pack even can be caused to consider hole plug, thus cause air-flow can not enter into laminar flow hood inside by this air inlet smoothly effectively filtering, so need the air inlet structure of often dismounting laminar flow hood, just can take off screen pack to clear up, and the air inlet structure often dismantling laminar flow hood comparatively bothers.
Summary of the invention:
Object of the present invention is intended to solve prior art Problems existing, provides a kind of subsidiary screen pack and screen pack is conveniently installed and taken off, and can reduce the protector of the laminar flow hood air inlet that dust impurity is piled up on screen pack.
The present invention relates to a kind of protector of laminar flow hood air inlet, comprise the panel frame of rectangle, the center of described panel frame forms the installation through hole of rectangle; Described panel frame forms the slot of " returning " font, be plugged with screen pack in described slot, described screen pack is in described installation through hole;
The side of the panel frame of screen pack side is provided with capping mechanism, described capping mechanism comprises capping and drives, capping and pair of parallel gib block, described a pair gib block is horizontally fixed on the two ends up and down of panel frame, gib block offers the gathering sill of level, described capping comprises left sealing cap and right aling cap, described left sealing cap and right aling cap are symmetricly set on the side of panel frame, left sealing cap and right aling cap include a pair folding stand and a flype, described a pair folding stand is arranged on the both sides of described flype, in a pair folding stand, arbitrary folding stand comprises many straight-bars hinged with head and the tail, the hinged place of the straight-bar that described many head and the tail are hinged comprises the first hinged place and the second hinged place, described first hinged place is provided with slides block, the described block that slides is plugged in the gathering sill of described gib block, the second hinged place described in one is provided with between every two the first hinged places, second hinged place is common hinge, described capping drives and comprises two pairs of pull bars, described two pairs of pull bars are separately positioned on left sealing cap and right aling cap, one end of a pull bar in a pair pull bar is fixedly connected with the block that slides being in end in the folding stand of in left sealing cap, one end of another root pull bar is fixedly connected with the block that slides being in end in another folding stand in left sealing cap, another is fixedly connected with the block that slides being in end in the folding stand of in right aling cap one end of the pull bar of in pull bar, one end of another root pull bar is fixedly connected with the block that slides being in end in another folding stand in right aling cap.
By technique scheme, the present invention is a kind of protection filter being arranged on the fresh air inlet of laminar flow hood, its screen pack is plugged in the slot of " returning " font of panel frame, and screen pack like this is conveniently installed and taken off and clears up, thus facilitates the maintenance work of laminar flow hood, the side of its panel frame is provided with capping mechanism simultaneously, the air inlet of laminar flow hood and the opening and closing of screen pack is realized by the opening and closing of capping mechanism, particularly, the course of work of capping mechanism is: when needing the filter area of opened sieve plate or expansion screen pack, pull two pairs of pull bars to both sides simultaneously, a pair pull bar orders about left sealing cap and draws in the folded of panel frame, another orders about the opposite side folding gathering of right aling cap to panel frame to pull bar, in the process, the block that slides that pull bar pulls folding stand to be in end slides to the outside of panel frame in the gathering sill of gib block, make left sealing cap or the folding gathering of right aling cap thus, when needing the opening reducing the filter area of screen pack or closure panel framework, promote two pairs of pull bars in opposite directions simultaneously, the two pairs of pull bars order about two folding stands and are in two of end and slide block slide in opposition in the gathering sill of gib block, thus order about left sealing cap and right aling cap is open and flat in opposite directions, when left sealing cap and right aling cap converge in the centre of panel frame side, the screen pack in panel frame is closed.
By such scheme, protective device structure of the present invention is simple, its subsidiary screen pack, and screen pack is conveniently installed and taken off and clears up, thus facilitates the maintenance work of laminar flow hood; It is provided with capping mechanism, left sealing cap and right aling cap can be closed or open, when left sealing cap and right aling cap are opened, openings of sizes can be regulated, thus the filter area of adjusted sieve plate, when laminar flow hood does not work, left sealing cap and right aling cap can be closed, thus can reduce dust and pile up on screen pack, and capping mechanism can stop that big article enters in laminar flow hood.
Preferred as one of the present invention, the oriented projecting inward flanging of three edge formings of the panel frame side that described capping mechanism is relative, be plugged with the fixed frame of " returning " font between the inwall of described flanging and screen pack, described screen pack is clamped between described fixed frame and capping mechanism.By such scheme, screen pack is clamped between itself and capping mechanism by fixed frame, thus can be fixed on panel frame by screen pack further.
Preferred as one of the present invention, described pull bar is arranged on gib block, and one end of pull bar through folding stand and flype and the side of extending panel framework, is fixedly connected with arm-tie between one end of often pair of pull bar extending panel framework; The middle part of described arm-tie is fixed with handle, and arm-tie and handle lay respectively at the side of left sealing cap and the side of right aling cap.By such scheme, when needs operation pull bar is to make left sealing cap and right aling cap opening and closing of fault, pull bar can be made to move to the inner side of panel frame or outside by pulling or promoting the handle be fixed on the arm-tie between often pair of pull bar.
Preferred as one of the present invention, be in two folding stands of correspondence position two of being in end on described left sealing cap and on right aling cap to slide block and be provided with clamping apparatus, described clamping apparatus comprises and is molded over a described fixture block sliding draw-in groove on block and protrusion, is molded over another and slides the inserted block coordinated with described draw-in groove and fixture block on block and slot.By such scheme, when left sealing cap and right aling cap converge in the centre of panel frame side, the clamping apparatus sliding block being in end in two folding stands in opposite directions cooperatively interacts, left sealing cap and right aling cap are connected together difficult drop-off, particularly, an inserted block slided on block inserts another and slides in the draw-in groove of block, and a fixture block slided on block inserts in another slot slided on block.
Preferred as one of the present invention, described flype is made up of rigid transparent material.By such scheme, flype is transparent, whether the screen pack in staff's observable panel frame like this has piled up too much dust impurity, determine that whether taking off screen pack clears up according to actual conditions, flype is that hard material is made, so can bear the shock of big article, reduce impaired.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present invention.
Accompanying drawing illustrates:
The following drawings is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.Wherein:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the partial sectional view of Fig. 1;
Fig. 3 is the enlarged diagram at A place in Fig. 1;
Fig. 4 is the structural representation in the present invention between panel frame and fixed frame;
Fig. 5 is the right view of Fig. 4.
Detailed description of the invention:
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
See Fig. 1, Fig. 5, the protector of a kind of laminar flow hood air inlet of the present invention, comprises the panel frame 10 of rectangle, and the center of described panel frame forms the installation through hole 11 of rectangle; Described panel frame 10 forms the slot 12 of " returning " font, be plugged with screen pack 20 in described slot, described screen pack is in described installation through hole 11;
See Fig. 1, Fig. 2, the side of the panel frame 10 of screen pack 20 side is provided with capping mechanism 30, described capping mechanism comprises capping and drives 31, capping 32 and pair of parallel gib block 33, described a pair gib block is horizontally fixed on the two ends up and down of panel frame 10, gib block 33 offers the gathering sill 331 of level, described capping 32 comprises left sealing cap 321 and right aling cap 322, described left sealing cap and right aling cap are symmetricly set on the side of panel frame 10, left sealing cap 321 and right aling cap 322 include a pair folding stand 323 and a flype 324, described flype is made up of rigid transparent material, a pair folding stand 323 is arranged on the both sides of described flype 324, in a pair folding stand 323, arbitrary folding stand comprises many straight-bars 325 hinged with head and the tail, the hinged place of the straight-bar that described many head and the tail are hinged comprises the first hinged place 326 and the second hinged place 327, described first hinged 326 places are provided with slides block 328, the described block that slides is plugged in the gathering sill 331 of described gib block 33, the second hinged place 327 described in one is provided with between every two the first hinged places 326, second hinged place is common hinge, described capping drives 31 to comprise two pairs of pull bars 311, described two pairs of pull bars are separately positioned on left sealing cap 321 and right aling cap 322, one end of a pull bar in a pair pull bar 311 is fixedly connected with the block 328 that slides being in end in the folding stand of in left sealing cap 321 323, one end of another root pull bar 311 is fixedly connected with the block 328 that slides being in end in another folding stand 323 in left sealing cap 321, another is fixedly connected with the block 328 that slides being in end in the folding stand of in right aling cap 322 323 one end of the pull bar of in pull bar 311, one end of another root pull bar 311 is fixedly connected with the block 328 that slides being in end in another folding stand 323 in right aling cap 322.
See Fig. 4, the oriented projecting inward flanging 13 of three edge formings of the panel frame 10 frame side that described capping mechanism 30 is relative, be plugged with the fixed frame 40 of " returning " font between the inwall of described flanging and screen pack 20, described screen pack 20 is clamped between described fixed frame 40 and capping mechanism 30.
See Fig. 1, described pull bar 311 is arranged on gib block 33, and one end of pull bar 311 is through folding stand 323 and flype 324 and the side of extending panel framework 10, and often pair is drawn between one end of 311 bar extending panel frameworks 10 and is fixedly connected with arm-tie 50; The middle part of described arm-tie is fixed with handle 51, and arm-tie 50 and handle 51 lay respectively at the side of left sealing cap 321 and the side of right aling cap 322.
See Fig. 3, be in two folding stands 323 of correspondence position two of being in end on described left sealing cap 321 and on right aling cap 322 to slide block 328 and be provided with clamping apparatus 60, described clamping apparatus comprises and is molded over described one and slides draw-in groove 61 on block 328 and the fixture block 62 protruded, be molded over another and slide the inserted block 63 coordinated with described draw-in groove 61 and fixture block 62 on block 328 and slot 64.
The present invention is a kind of protection filter being arranged on the fresh air inlet of laminar flow hood, its screen pack 20 is plugged in the slot 12 of " returning " font of panel frame 10, screen pack 20 like this is conveniently installed and is taken off and clears up, thus facilitates the maintenance work of laminar flow hood, the side of its panel frame 10 is provided with capping mechanism 30 simultaneously, the air inlet of laminar flow hood and the opening and closing of screen pack 20 is realized by the opening and closing of capping mechanism, particularly, the course of work of capping mechanism 30 is: when needing the filter area of opened sieve plate 20 or expansion screen pack, pull two pairs of pull bars 311 to both sides simultaneously, a pair pull bar orders about left sealing cap 321 and draws in the folded of panel frame 10, another orders about the opposite side folding gathering of right aling cap 322 to panel frame 10 to pull bar 311, in the process, the block 328 that slides that pull bar 311 pulls folding stand 323 to be in end slides to the outside of panel frame 10 in the gathering sill 331 of gib block 33, make left sealing cap 321 or the folding gathering of right aling cap 322 thus, when needing the opening reducing the filter area of screen pack 20 or closure panel framework 10, promote two pairs of pull bars 311 in opposite directions simultaneously, the two pairs of pull bars order about two folding stands 323 and are in two of end and slide block 328 slide in opposition in the gathering sill 331 of gib block 33, thus order about left sealing cap 321 and right aling cap 322 is open and flat in opposite directions, when left sealing cap 321 and right aling cap 322 converge in the centre of panel frame 10 side, the screen pack 20 in panel frame 10 is closed.
In sum, protective device structure of the present invention is simple, its subsidiary screen pack, and screen pack is conveniently installed and taken off and clears up, thus facilitates the maintenance work of laminar flow hood; It is provided with capping mechanism, left sealing cap and right aling cap can be closed or open, when left sealing cap and right aling cap are opened, openings of sizes can be regulated, thus the filter area of adjusted sieve plate, when laminar flow hood does not work, left sealing cap and right aling cap can be closed, thus can reduce dust and pile up on screen pack, and capping mechanism can stop that big article enters in laminar flow hood.
The protector of laminar flow hood air inlet provided by the present invention; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within scope.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.