CN206190125U

CN206190125U - Multi -functional window type ventilator

Info

Publication number: CN206190125U
Application number: CN201621186726.XU
Authority: CN
Inventors: 张国; 司晓巍; 张茉琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-11-04
Filing date: 2016-11-04
Publication date: 2017-05-24
Anticipated expiration: 2026-11-04

Abstract

The utility model discloses a multi -functional window type ventilator, including ventilator main part and main part connecting piece, its characterized in that, the ventilator main part is including admitting air chamber, middle chamber and filter media chamber, the left end processing in chamber of the admitting air external admission grid of having family, the lower extreme processing in chamber of admitting air there is outdoor air intake down, grid in the middle of both ends have processed respectively about middle chamber, middle grid communicates admit air chamber and filter media chamber, the outside in filter media chamber is equipped with indoor buckle closure, be equipped with indoor air -inlet grille on the indoor buckle closure, indoor buckle closure inboard is equipped with the air filter media, middle intracavity is equipped with the enhancement inside lining, preceding, the back both ends of ventilator main part are equipped with a plurality of screw hole no. 1 respectively and install the end cover respectively through screw hole no. 1, be equipped with on the end cover and inlay the end, it is equipped with bolt hole no. 1 in the end to inlay, the upper and lower terminal surface of ventilator main part is movable end or the movable glass fixing plate of inlaying of mountable respectively, be equipped with glass fixed block and glass install groove on the movable glass fixing plate, the ventilator main part can be connected with the main part connecting piece, the utility model discloses the different installation form of optional has thermal insulation, prevents the haze, bears the weight of the reinforce, ventilates smoothly as required, and the superior advantage of sound -proofing properties is applicable to in addition and installs on the door and window of different specifications, and the commonality is stronger.

Description

A kind of Multi-function window type ventilator

Technical field

The utility model belongs to window type ventilator field, and specifically, the utility model is related to a kind of Multi-function window type to lead to Wind device.

Background technology

With the improvement of people ' s living standards, the also more and more higher of the requirement to living environment, ventilator is logical as indoor and outdoor Wind ventilation instrument, gradually enter into masses room in.

In existing technology, the design structure of ventilator is simple, and function is relatively simple, and the ventilation of ventilator is small, does not have Standby sound insulation, haze and antipollution performance, current ventilator material are single, mostly aluminum alloy material, do not possess insulation section Can effect, especially in cold winter, the phenomenon for condensing, freezing can be caused, using particularly inconvenient, ventilator in addition oneself Body bearing capacity is poor, and ventilator must adhere to be installed on door and window main frame, use, it is impossible to used as receiving in door and window lattice Stile is used in power rod member, and fitting limit limitation is big, can only be transversely mounted, and needs to be entered according to door and window frame body position during installation Row is installed, be limited it is larger, for present ventilator, have one it is very big the drawbacks of, be that the installation notch of ventilator set Meter is all to fix specification, for many other specifications erection of doors and windows when it is inapplicable, if installed reluctantly, can not only influence ventilation Device and the overall aesthetics in room, and ventilation effect has a greatly reduced quality, after the completion of current ventilator is all door and window production in addition, The part on door and window is attached to, because ventilator has certain volume and shape in itself, the attractive in appearance of former window can be influenceed after installation Property and daylighting effect.

Utility model content

The utility model provides a kind of Multi-function window type ventilator, it is therefore an objective to which solving existing window type ventilator can not be antifog Haze, heat preservation energy-saving, the function shortcoming of sound insulation and noise reduction, and existing window type ventilator specification list one, bearing capacity is poor, install it is limited and Inaesthetic structural disadvantage.

To achieve these goals, the technical scheme that the utility model is taken is：A kind of Multi-function window type ventilator, including Ventilator main body and main body connector, it is characterised in that the ventilator main body includes inlet chamber, intermediate cavity and filter material chamber, institute State and be machined with the left of inlet chamber outdoor air-inlet grille, the lower end of the inlet chamber is machined with air inlet under outdoor, the centre Reinforcement liner is provided with chamber, the left and right two ends of the intermediate cavity are machined with intermediate grate respectively, and the intermediate grate connects air inlet Chamber and filter material chamber, are provided with indoor buckle closure on the outside of the filter material chamber, the indoor buckle closure is provided with indoor air-inlet grille, the room Interior buckle closure inner side is provided with air filtering material, and the forward and backward of the ventilator main body is respectively arranged at two ends with several screw holes one and passes through Screw hole one is separately installed with end cap, and the end cap is provided with inlays termination, and described inlaying be provided with termination bolt hole one, described The upper and lower side of ventilator main body can be separately installed with according to position difference movable inlays termination and movable glass is fixed Plate, the movable glass fixed plate is provided with glass fixed block and glass installation groove mouthful, and the main body connector includes connection Part base, connector shift fork, screw hole two, main body installation notch and bolt hole two, the ventilator main body pass through screw hole two It is attached with main body connector.

Preferably, it is provided with indoor buckle closure on the outside of the filter material chamber.

Preferably, the intermediate grate includes that intermediate grate a and intermediate grate b, the intermediate grate a press close to inlet chamber Right side, the intermediate grate b presses close to the left side in filter material chamber, and the side that the intermediate grate a presses close to inlet chamber is provided with movable Stormproof louvre.

Preferably, the movable stormproof louvre is in the movable stormproof louvre of horizontal type and vertical movable stormproof louvre It is a kind of.

Preferably, it is mounted on coarse filtration mosquito proof net on the inside of the outdoor air-inlet grille and outdoor lower air inlet.

Preferably, the upper and lower faces of the inner side of the intermediate cavity are provided with acoustical cotton.

Preferably, sealing flase floor is provided with the left of the intermediate grate b, the upper and lower both sides of the intermediate cavity set respectively There is draw-in groove, the sealing flase floor is fastened in draw-in groove.

Preferably, the grate opening and pitch of holes on the grate opening and pitch of holes and intermediate grate b on the sealing flase floor Size is consistent respectively.

Preferably, the sealing hole on the sealing flase floor is processed into dislocation hole with the grate opening on intermediate grate b.

Preferably, the sealing flase floor is provided with sealing grid switching plate, and the sealing grid switching plate is in Between grid b.

Advantage of the present utility model：The utility model main body uses outside to be made up of PVC or other insulation materials, and inner chamber is attached Have aluminium alloy or other materials enhancing liner, it is ensured that the utility model can heat preservation energy-saving, have very strong bearing capacity again, Such that it is able to be used as the middle stile in door and window frame structure, directly former door is replaced with the utility model when being produced into window The middle stile of window, it is not necessary into secondary installing on window, one is formed with door and window, both saves Material Cost, but it is attractive in appearance, be not in the light；

2nd, the utility model outdoor air inlet inner side, devises movable stormproof louvre, solves other ventilator in fact Existing water-resistant performance and the too small problem of restricted air inlet, increase ventilator incoming air area in itself, lift ventilation；Together When, movable stormproof louvre design, can solve window type ventilator can only be transversely mounted the limitation for using, can be according to actual feelings Condition, selection is laterally or vertically installed；

3rd, the movable glass installation groove of the utility model and embedded termination are designed, and improve the range of application of ventilator, several The door and window of any specification can be used；

4th, indoor of the present utility model, devises filter material chamber and air filtering material, it is ensured that what is got in is with fresh air It is again clean；

5th, the utility model multi-cavity structure design, while ventilation effect is ensured, and can realize insulation, the effect of sound insulation Really；

6th, acoustical cotton is devised in the utility model intermediate cavity, further increases soundproof effect of the present utility model and guarantor Temp effect；

7th, air channel switch control member is devised in intermediate cavity of the present utility model, ventilation can be arbitrarily adjusted as needed Device intake size is aerated closing, using more convenient.

Brief description of the drawings

Fig. 1 is the ventilator main body that a kind of Multi-function window type ventilator embodiment described in the utility model is laterally used Sectional drawing；

Fig. 2 is a kind of the disconnected of the vertical ventilator main body of Multi-function window type ventilator embodiment two described in the utility model Face figure；

Fig. 3 is a kind of structural representation of the end cap of Multi-function window type ventilator described in the utility model；

Fig. 4 is a kind of movable schematic diagram for inlaying termination of Multi-function window type ventilator described in the utility model；

Fig. 5 is a kind of structural representation of the movable glass fixed plate of Multi-function window type ventilator described in the utility model Figure；

Fig. 6 is that a kind of structure of the movable stormproof louvre of horizontal type of Multi-function window type ventilator described in the utility model is shown It is intended to；

Fig. 7 is a kind of structural representation of the main body connector of Multi-function window type ventilator described in the utility model；

Fig. 8 is a kind of movable signal for inlaying faces end head plugging of Multi-function window type ventilator described in the utility model Figure；

Fig. 9 is a kind of schematic diagram of the connecting bolt of Multi-function window type ventilator described in the utility model；

Figure 10 is a kind of schematic diagram of the movable glass plate closure of Multi-function window type ventilator described in the utility model；

Figure 11 is a kind of ventilator of the horizontal type of embodiment one installation of Multi-function window type ventilator described in the utility model The sectional view of main body；

Figure 12 is a kind of installation effect schematic diagram of the embodiment one of Multi-function window type ventilator described in the utility model；

Figure 13 is a kind of structure of the vertical movable stormproof louvre of Multi-function window type ventilator described in the utility model Schematic diagram；

Figure 14 is a kind of cuing open for the ventilator main body of the vertical installation of Multi-function window type ventilator described in the utility model Face figure；

Figure 15 is a kind of scheme of installation of the embodiment two of Multi-function window type ventilator described in the utility model；

Figure 16 is a kind of scheme of installation of the embodiment three of Multi-function window type ventilator described in the utility model；

Wherein：1- ventilator main bodys, 2- strengthens liner, the movable stormproof louvres of 3-, buckle closure in 4- rooms, 5- acoustical cottons, 6- Sealing flase floor, 7- air filtering materials, 8- coarse filtration mosquito proof nets, 9- inlet chambers, 10- intermediate cavities, 11- filter materials chamber, air inlet outside 12- rooms Grid, air-inlet grille in 13- intermediate grates a, 14- intermediate grate b, 15- rooms, 16- sealing grid switching plate, outside 17- rooms under enter Air port, 18- screw holes one, 19- end caps, 20- inlays termination, 21- screw holes, 22- bolts hole one, and 23- is movable to inlay termination, The movable glass fixed plates of 24-, 25- glass fixed blocks, 26- glass installation grooves mouthful, 27- main body connectors, 28- connectors bottom Seat, 29- connector shift forks, 30- screw holes two, 31- main body installation notch, 32- bolts hole two, 33- is movable to inlay termination envelope It is stifled, 34- connecting bolts, the closure of 35- movable glass plate.

Specific embodiment

Below against accompanying drawing, by the description to embodiment, specific embodiment of the present utility model is made further in detail Thin explanation, it is therefore an objective to help those skilled in the art have to design of the present utility model, technical scheme it is more complete, accurate and Deep understanding, and contribute to it to implement.

Embodiment one

As shown in Fig. 1, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11 and Figure 12, a kind of Multi-function window type Ventilator, including ventilator main body 1 and main body connector 27, the ventilator main body 1 include inlet chamber 9, intermediate cavity 10 and filter Material chamber 11, the left end of the inlet chamber 9 is machined with outdoor air-inlet grille 12, and the lower end of the inlet chamber 9 is entered under being machined with outdoor Reinforcement liner 2 is provided with air port 17, the intermediate cavity 10, the left and right two ends of the intermediate cavity 10 are machined with intermediate grate respectively, The intermediate grate connects inlet chamber 9 and filter material chamber 11, and the outside in the filter material chamber 11 is provided with indoor buckle closure 4, the indoor button Lid 4 is provided with indoor air-inlet grille 15, and the inner side of the indoor buckle closure 4 is provided with air filtering material 7, the ventilator main body 1 it is forward and backward It is respectively arranged at two ends with several screw holes 1 and end cap 19 is separately installed with by screw hole 1, the end cap 19 is provided with Termination 20 is inlayed, described inlaying in termination 20 is provided with bolt hole 1, and the upper and lower end face of the ventilator main body 1 is respectively mounted There is a movable glass fixed plate 24, the movable glass fixed plate 24 is provided with glass fixed block 25 and glass installation groove Mouth 26, the main body connector 27 includes connector base 28, connector shift fork 29, screw hole two, the and of main body installation notch 31 Bolt hole 2 32, the ventilator main body 1 can be attached by screw hole 2 30 with main body connector 27.

In the present embodiment, the outside in the filter material chamber 11 is provided with indoor buckle closure 4.

In the present embodiment, the intermediate grate includes intermediate grate a13 and intermediate grate b14, the intermediate grate a13 Press close to the right side of inlet chamber 9, the intermediate grate b14 presses close to the left side in filter material chamber 11, and the intermediate grate a13 presses close to inlet chamber Side movable stormproof louvre 3 is installed.

In the present embodiment, the movable stormproof louvre 3 is the movable stormproof louvre of horizontal type.

In the present embodiment, to be mounted on coarse filtration mosquito-proof for the inner side of the outdoor air-inlet grille 12 and outdoor lower air inlet 17 Worm net 8.

In the present embodiment, the upper and lower faces of the inner side of the intermediate cavity 10 are provided with acoustical cotton 5.

In the present embodiment, be provided with the left of the intermediate grate b14 sealing flase floor 6, the intermediate cavity 10 it is upper and lower Draw-in groove is respectively provided on two sides with, the sealing flase floor 6 is fastened in draw-in groove.

In the present embodiment, the grate opening on the grate opening and pitch of holes and intermediate grate b14 on the sealing flase floor 6 It is consistent respectively with pitch of holes size.

In the present embodiment, the sealing hole on the sealing flase floor 6 is processed into mistake with the grate opening on intermediate grate b14 Position hole.

In the present embodiment, the sealing flase floor 6 is provided with sealing grid switching plate 16, and the sealing flase floor 6 is opened Close through intermediate grate b14.

The movable stormproof louvre of horizontal type is used in the present embodiment, uses horizontal type installation, in the present embodiment Multi-function window type ventilator, while being used as the horizontal stile in window structure.

Embodiment two

It is a kind of multi-functional as shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 13, Figure 14 and Figure 15 Window type ventilator, including ventilator main body 1 and main body connector 27, the ventilator main body 1 include inlet chamber 9, intermediate cavity 10 With filter material chamber 11, the left end of the inlet chamber 9 is machined with outdoor air-inlet grille 12, and the lower end of the inlet chamber 9 is machined with outdoor Reinforcement liner 2 is provided with lower air inlet 17, the intermediate cavity 10, the left and right two ends of the intermediate cavity 10 are machined with middle layout respectively Grid, the intermediate grate connects inlet chamber 9 and filter material chamber 11, and the outside in the filter material chamber 11 is provided with indoor buckle closure 4, the interior Buckle closure 4 is provided with indoor air-inlet grille 15, and the inner side of the indoor buckle closure 4 is provided with air filtering material 7, before the ventilator main body 1, After be respectively arranged at two ends with several screw holes 1 and end cap 19 be separately installed with by screw hole 1, set on the end cap 19 Have and inlay termination 20, described inlaying in termination 20 is provided with bolt hole 1, and the upper and lower end face of the ventilator main body 1 is pacified respectively Termination 23 and movable glass fixed plate 24 are inlayed equipped with movable, the movable glass fixed plate 24 is provided with glass and fixes Block 25 and glass installation groove mouthful 26, the main body connector 27 include connector base 28, connector shift fork 29, screw hole two 30th, main body installation notch 31 and bolt hole 2 32, the ventilator main body 1 can be entered by screw hole 2 30 with main body connector 27 Row connection.

In the present embodiment, the movable stormproof louvre 3 is vertical movable stormproof louvre.

In the present embodiment, the inner side of the outdoor air-inlet grille 12 is provided with coarse filtration mosquito proof net 8.

In the present embodiment, the left and right two sides of the inner side of the intermediate cavity 10 is provided with acoustical cotton 5.

In the present embodiment, be provided with the left of the intermediate grate b14 sealing flase floor 6, in the intermediate cavity 10 it is upper, Under be respectively provided on two sides with draw-in groove, the sealing flase floor 6 is fastened in draw-in groove.

The present embodiment is compared to the difference existed between embodiment one：Vertical movable stormproof louvre is used, Vertical installation is used, coordinates perpendicular stile to be used as the bogey of door and window.

Embodiment three

As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 13, Figure 14 and Figure 16, the present embodiment phase Difference than existing between embodiment two is：The utility model has directly served as door and window while being used as ventilator Middle stile, so not only make door and window that there is certain bearing capacity, also save the material of middle stile, reduce being manufactured into for door and window This, has saved the energy.

Installation principle of the present utility model：In the left end of the anterior inlet chamber 9 of ventilator main body 1, outdoor air inlet grille is processed Grid 12, if the utility model need to be transversely mounted when using, it is necessary in the case where the lower end of ventilator main body 1 processes outdoor air intake Mouthfuls 17 increase intake, while can also be used as lower drainage channel；In outdoor air-inlet grille 12 and outdoor lower air inlet 17 Side, is provided with coarse filtration mosquito proof net 8；In intermediate cavity 10, install after strengthening liner 2, on the left and right two sides of intermediate cavity 10, plus Work goes out intermediate grate a and intermediate grate b, now, by intermediate grate a13 and intermediate grate b14, by inlet chamber 9, intermediate cavity 10 Connected with filter material chamber 11, formed gas channel；Press close to the side of inlet chamber 9 in intermediate grate a13, installation activity formula is prevented Rain blinds (horizontal type) 3, if the utility model needs vertical installing and using, installation activity formula stormproof louvre (vertical) 3； Intermediate cavity upper and lower faces, install acoustical cotton 5, realize reducing noise and increase the performance effect of insulation；In the intermediate cavity right side Between grid b14 left side, install sealing flase floor 6, seal flase floor 6 development length be less than mono- hole of intermediate grate b14 The distance in footpath, sealing flase floor 6 is close to intermediate grate b and is slided in intermediate cavity 10, the grate opening on sealing flase floor 6 In the same size with grate opening and pitch of holes on pitch of holes and intermediate grate b14, the grate opening on sealing flase floor 6 will be with Grate opening on intermediate grate b14 is processed into dislocation hole, the grid on the grate opening on sealing flase floor 6 with intermediate grate b When hole is alignd, ventilation function is opened, when the grate opening on the grate opening and intermediate grate b that seal on flase floor 6 misplaces completely, Ventilation function is closed；Sealing grid switching plate 16 is installed on sealing flase floor 6, for controlling the position of sealing flase floor 6, with Regulation is opened, closes ventilation function or adjustment intake size, the lengthening knob of sealing grid switching plate 16, through centre Grid b, is placed in filter material chamber 11；The right side in filter material chamber 11, is provided with indoor buckle closure 4, on indoor buckle closure 4, processes indoor air inlet Grid 15, by air filtering material 7, is installed to the inner side of indoor air-inlet grille 15, the effect of air filtration is realized, by air The pollutants such as PM2.5, are filled into filter material chamber；Using screw by screw hole 21 and screw hole, by two end caps 19 with it is logical The two ends of wind device main body 1 are attached；According to the selection of the position (being transversely mounted or longitudinally mounted) installed, using screw, In the upper and lower faces of ventilator main body 1, it is respectively mounted that be of convenient length movable inlays termination 23 and movable glass is fixed Plate 24, as shown in figure 15, is now provided with the movable side for inlaying termination 23, will be installed in the glazing rebate of window mullion, The side of movable glass fixed plate 24 is installed, by glass fixed block 25, glass is fixed in glass installation groove mouthful 26； If the utility model needs not depending on sash body when mounted, independently installed, enter to exercise as the middle stile in door and window structure Used time, then in the upper and lower faces of ventilator main body 1, the movable glass fixed plate 24 being of convenient length all is installed, then this reality There are glass fixed block 25 and glass installation groove mouthful 26 with new upper and lower both sides, be used to install and fix glass；This practicality is new When type is attached with door and window framework when mounted, first by the upper and lower connector shift fork 29 on main body connector 27, respectively along logical Upper and lower two non-ventilating surfaces of wind device main body 1 are longitudinally inserted into, and ventilator main body 1 is placed in main body installation notch 31, use spiral shell Adjusting screw, by the screw hole on connector shift fork 29, main body connector 27 is attached with the above and below of ventilator main body 1, Now, on connector base 28 bolt hole and 32 align with the bolt hole 1 inlayed in termination 20 on end cap 19, use Screw, by screw hole 2 30, the main frame with door and window is attached, and reuses connecting bolt 34, through door and window framework, leads to Bolt hole 2 32 is crossed, is screwed in bolt hole 1, reinforced, assembled and installation；During using the utility model, if needed Air filtering material 7 is changed, then need to only remove indoor buckle closure 4, changed, air quantity regulation is carried out if desired, only needed Indoor buckle closure 4 is removed, by sealing grid switching plate 16, the position of regulation sealing flase floor 6 can just adjust the alignment in dislocation hole Amount size, so that realize adjusting the purpose of intake size, it is very easy to use.

The utility model is exemplarily described above in association with accompanying drawing, it is clear that the utility model is implemented not Limited by aforesaid way, as long as employ the various unsubstantialities that method design of the present utility model and technical scheme are carried out Improvement；Or it is not improved, above-mentioned design of the present utility model and technical scheme are directly applied into other occasions, at this Within the protection domain of utility model.

Claims

1. a kind of Multi-function window type ventilator, including ventilator main body and main body connector, it is characterised in that the ventilator master Body includes inlet chamber, intermediate cavity and filter material chamber, outdoor air-inlet grille is machined with the left of the inlet chamber, under the inlet chamber End is machined with air inlet under outdoor, and reinforcement liner is provided with the intermediate cavity, and the left and right two ends of the intermediate cavity are machined with respectively Intermediate grate, the intermediate grate connects inlet chamber and filter material chamber, and indoor buckle closure, the interior are provided with the outside of the filter material chamber Buckle closure is provided with indoor air-inlet grille, and the indoor buckle closure inner side is provided with air filtering material, the forward and backward two ends of the ventilator main body It is respectively equipped with several screw holes one and end cap is separately installed with by screw hole one, the end cap is provided with inlays termination, institute State to inlay and be provided with termination bolt hole one, the upper and lower side of the ventilator main body can be separately installed with according to position difference Movable to inlay termination and movable glass fixed plate, the movable glass fixed plate is provided with glass fixed block and glass peace Tankage mouthful, the main body connector includes connector base, connector shift fork, screw hole two, main body installation notch and bolt hole Two, the ventilator main body is attached by screw hole two with main body connector.

2. a kind of Multi-function window type ventilator according to claim 1, it is characterised in that：It is provided with the outside of the filter material chamber Indoor buckle closure, the indoor buckle closure inner side is provided with air filtering material.

3. a kind of Multi-function window type ventilator according to claim 1, it is characterised in that：The intermediate grate includes centre Grid a and intermediate grate b, the intermediate grate a press close to the right side of inlet chamber, and the intermediate grate b presses close to the left side in filter material chamber, The side that the intermediate grate a presses close to inlet chamber is provided with movable stormproof louvre.

4. a kind of Multi-function window type ventilator according to claim 3, it is characterised in that：The movable stormproof louvre is One kind in the movable stormproof louvre of horizontal type and vertical movable stormproof louvre.

5. a kind of Multi-function window type ventilator according to claim 1, it is characterised in that：The outdoor air-inlet grille and room Outward coarse filtration mosquito proof net is mounted on the inside of lower air inlet.

6. a kind of Multi-function window type ventilator according to claim 1, it is characterised in that：The inner side of the intermediate cavity Upper and lower faces are provided with acoustical cotton.

7. a kind of Multi-function window type ventilator according to claim 3, it is characterised in that：The left side of the intermediate grate b Sealing flase floor is provided with, the upper and lower of the intermediate cavity is respectively provided on two sides with draw-in groove, and the sealing flase floor is fastened in draw-in groove.

8. a kind of Multi-function window type ventilator according to claim 7, it is characterised in that：Lattice on the sealing flase floor Gate hole and pitch of holes are consistent respectively with the grate opening on intermediate grate b and pitch of holes size.

9. a kind of Multi-function window type ventilator according to claim 8, it is characterised in that：It is close on the sealing flase floor Sealing of hole is processed into dislocation hole with the grate opening on intermediate grate b.

10. a kind of Multi-function window type ventilator according to claim 9, it is characterised in that：Set on the sealing flase floor There is sealing grid switching plate, the sealing grid switching plate is through intermediate grate b.