CN212870087U

CN212870087U - Double-layer hood

Info

Publication number: CN212870087U
Application number: CN202021982126.0U
Authority: CN
Inventors: 赵欢; 周巍; 瞿佳
Original assignee: Shanghai Red Star Macalline Architectural Design Co Ltd
Current assignee: Shanghai Red Star Macalline Architectural Design Co Ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-04-02
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a double-layer hood, the arc blade has a plurality of, the bottom of the arc blade is respectively connected with a hoop, the top of the arc blade is connected with a top plate, the middle position of the top plate is connected with the top of a main shaft, the outer end of the support frame is connected with the inner wall of a base, the bottom end of the main shaft is provided with an external thread and is provided with a limit nut, one side of the support frame near the top plate is also provided with a reinforcing frame, the middle position of one end of the reinforcing frame far away from the support frame is provided with a sleeve, the main shaft is arranged in the sleeve in a penetrating way, the inner side of the hoop is provided with a concave surrounding edge, the outer surface of the upper end of the base is provided with an annular bulge, the annular bulge is mutually matched with the concave surrounding edge, the bottom end of a connecting seat is connected with the top, thereby improve the volume of airing exhaust, save the cost, stability improves greatly, can transversely install, can be used to the curtain and ventilate and use.

Description

Double-layer hood

Technical Field

The utility model relates to a building field especially relates to the ventilation technology, specifically is a double-deck hood.

Background

Roof hood utilizes the natural wind of nature to promote the turbine rotation of fan and the principle of indoor outer air convection, with any parallel direction's air flow, accelerate and become from bottom to top vertically air flow, a device to improve indoor ventilation effect, but the rotational speed is uncontrollable, there is installation electric actuator to cooperate at present, no matter be manufacturing cost or use cost all are than, and current hood can't use on the curtain under the many situations, consequently, this problem that exists among the prior art is solved to a modified technique that awaits urgent need.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double-deck hood, the upper end of hood main part is provided with fan blade assembly, promote the rotational speed of hood, thereby improve the volume of airing exhaust, and need not to add electronic component, save the cost, be used for being provided with the reinforcement frame on the support frame, the main shaft still supports through the reinforcement frame, stability improves greatly, the hoop inboard is provided with the spill surrounding edge and mutually supports with the annular arch of base, the stability of being connected between hood main part and the base has been improved, and can transversely install, can be used to the curtain and ventilate the use, and fan blade assembly is also suitable for equally, in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a double-layer hood comprises a hood main body and a fan blade assembly;

the blast cap main body comprises a base, a hoop, arc-shaped blades, a top plate and a support frame, wherein a plurality of arc-shaped blades are arranged in an annular manner, the bottom ends of the arc-shaped blades are respectively connected with the hoop, the top ends of the arc-shaped blades are all connected with the top plate, the middle position of the top plate is connected with the top end of a main shaft, the outer end of the support frame is connected with the inner wall of the base, a first bearing is arranged at the middle position of the support frame, the bottom end of the main shaft is connected with the first bearing, an external thread is arranged at the bottom end of the main shaft and provided with a limit nut, a reinforcing frame is further arranged at one side of the support frame close to the top plate, a sleeve is arranged at the middle position of one end of the reinforcing frame, which is far away from the support frame, the main shaft is arranged in the sleeve in a penetrating manner, the lower surface of the base is also provided with a mounting flange;

the fan blade assembly comprises a connecting seat and fan blades, the bottom end of the connecting seat is connected with the top plate through a flange, a plurality of fan blades are evenly arranged on the outer side of the top end of the connecting seat, and the inclined directions of the fan blades are matched with the exhaust direction of the arc-shaped blades.

Preferably, the top of main shaft is provided with the connecting plate, a plurality of mounting holes have been seted up to roof nearly central point department, the mounting hole of connecting plate and the position one-to-one of roof mounting hole pass through bolt interconnect, are convenient for be connected between main shaft and the roof.

Preferably, the top end of the arc-shaped blade is provided with an upper end connecting sheet, the upper end connecting sheet is connected with the periphery of the top plate through screws, the bottom end of the arc-shaped blade is provided with a lower end connecting sheet, and the lower end connecting sheet is connected with the outer side surface of the hoop through screws, so that the arc-shaped blade can be conveniently mounted and dismounted.

Preferably, an air outlet gap is reserved between two adjacent arc-shaped blades and used for exhausting air.

Preferably, a second bearing is arranged inside the sleeve, and the main shaft and the second bearing are connected with each other to ensure the smoothness of the rotation of the main shaft.

Preferably, the support frame includes inner ring and connecting rod, first bearing installation is in the inside of inner ring, the inner ring's the outside evenly is provided with a plurality of connecting rod, the inner ring one end is kept away from to the connecting rod passes through the bolt with the inner wall of base and links to each other, the reinforcement frame comprises a plurality of L shape pole, the sleeve outside is connected with a plurality of L shape pole, the quantity and the connecting rod unanimity and the one-to-one of L shape pole, sleeve one end is kept away from to L shape pole all links to each other with the connecting rod, and the structure of support frame is used for supporting and does not influence airing exhaust, and L shape pole links to each other with the connecting rod, when realizing supporting the.

Preferably, the hoop is of a strip-shaped structure, two rows of connecting holes are formed in the hoop, two ends of the hoop are connected with each other to form an annular structure, and the strip-shaped structure facilitates the wrapping and matching of the concave surrounding edge and the annular protrusion.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the upper end of hood main part is provided with fan blade assembly, promotes the rotational speed of hood to improve the volume of airing exhaust, and need not to add electronic component, save the cost.

(2) Be used for being provided with the strengthening frame on the support frame, the main shaft still supports through the strengthening frame, and stability improves greatly.

(3) The hoop inboard is provided with the spill surrounding edge and mutually supports with the annular bulge of base, has improved the stability of being connected between hood main part and the base to can transversely install, can be used to the curtain and ventilate and use, and flabellum subassembly is also suitable for equally.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a cambered vane structure;

FIG. 3 is a schematic top view of the supporting frame;

fig. 4 is a side view of the supporting frame and the reinforcing frame.

In the figure: the fan comprises a base 1, a hoop 2, arc-shaped blades 3, a top plate 4, a supporting frame 5, a main shaft 6, a first bearing 7, a limiting nut 8, a reinforcing frame 9, a sleeve 10, a concave surrounding edge 11, an annular bulge 12, a mounting flange 13, a connecting seat 14, fan blades 15, a connecting plate 16, an upper end connecting plate 17, a lower end connecting plate 18, a second bearing 19, an inner ring 501, a connecting rod 502 and an L-shaped rod 901.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the embodiments of the present invention and the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention;

it should be noted that, in the description of the present invention, it is to be noted that the terms "inside", "outside", "upper", "lower", "both sides", "one end", "the other end", "left", "right", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a double-layer hood comprises a hood main body and a fan blade assembly; the blast cap main body comprises a base 1, a hoop 2, arc-shaped blades 3, a top plate 4 and a support frame 5, wherein a plurality of arc-shaped blades 3 are arranged annularly, the bottom ends of the arc-shaped blades 3 are respectively connected with the hoop 2, the hoop 2 is of a strip structure, two rows of connecting holes are formed in the hoop 2, two ends of the hoop 2 are connected with each other to form an annular structure, the top ends of the arc-shaped blades 3 are connected with the top plate 4, an upper end connecting sheet 17 is arranged at the top end of each arc-shaped blade 3, the upper end connecting sheet 17 is connected with the periphery of the top plate 4 through screws, a lower end connecting sheet 18 is arranged at the bottom end of each arc-shaped blade 3, the lower end connecting sheet 18 is connected with the outer side surface of the hoop 2 through screws, an air outlet gap is reserved between every two adjacent arc-shaped blades 3, the middle position of the top plate 4 is, a plurality of mounting holes are formed in the position, close to the center, of the top plate 4, mounting holes of the connecting plates 16 correspond to the mounting holes of the top plate 4 one by one and are connected with each other through bolts, the outer end of the support frame 5 is connected with the inner wall of the base 1, a first bearing 7 is arranged in the middle of the support frame 5, the bottom end of the main shaft 6 is connected with the first bearing 7, the bottom end of the main shaft 6 is provided with external threads and is provided with a limiting nut 8, a reinforcing frame 9 is further arranged on one side, close to the top plate 4, of the support frame 5, a sleeve 10 is arranged in the middle of the reinforcing frame 9, far away from one end of the support frame 5, the main shaft 6 is arranged in the sleeve 10 in a penetrating mode, a second bearing 19 is arranged inside the sleeve 10, the main shaft 6 is connected with the second bearing 19, a concave surrounding edge 11 is arranged on the; the flabellum subassembly includes connecting seat 14 and flabellum 15, and connecting seat 14 bottom is passed through the flange and is linked to each other with roof 4, and the top outside of connecting seat 14 evenly is provided with a plurality of flabellum 15, and the incline direction of flabellum 15 all matches each other with the exhaust direction of arc blade 3.

As shown in fig. 3-4, the support frame 5 includes an inner ring 501 and a connecting rod 502, the first bearing 7 is installed inside the inner ring 501, a plurality of connecting rods 502 are uniformly arranged outside the inner ring 501, one end of the connecting rod 502, which is far away from the inner ring 501, is connected with the inner wall of the base 1 through bolts, the reinforcing frame 9 is composed of a plurality of L-shaped rods 901, the outer side of the sleeve 10 is connected with a plurality of L-shaped rods 901, the number of the L-shaped rods 901 is consistent with the connecting rods 502 and corresponds to one another, and one end of the L-shaped rod 901, which is far away from the sleeve.

The installation method and the use principle are as follows: firstly, connecting all fan blades 15 with a top plate 4 through an upper end connecting sheet 17, then connecting the top end of a main shaft 6 with the central position of the top plate 4 through a connecting plate 16, then fixing connecting rods 502 of a supporting frame 5 on the inner wall of a base 1 through screws, then fixing the end, away from a sleeve 10, of an L-shaped rod 901 of a reinforcing frame 9 on each connecting rod 502 of the supporting frame 5 respectively, then penetrating the main shaft 6 from top to bottom through a second bearing 19 inside the sleeve 10 and connecting the bottom end with a first bearing 7, screwing an upper limiting nut 8 on the bottom end of the main shaft 6, then wrapping a hoop 2 outside lower end connecting sheets 18 of all arc-shaped blades 3, connecting all lower end connecting sheets 18 with the hoop 2 through screws, simultaneously connecting concave surrounding edges 11 of the hoop 2 with annular bulges 12 on the periphery of the base 1 when the hoop 2 is installed, and then connecting seats 14 with the top plate 4 through bolts, the installation is completed, and the whole body is fixed at the air outlet through the connecting flange when the air conditioner is used. The utility model has reasonable structure, the upper end of the blast cap main body is provided with the fan blade component, the rotating speed of the blast cap is improved, thereby improving the exhaust volume, and the cost is saved without adding an electric component; the supporting frame 5 is provided with the reinforcing frame 9, and the main shaft 6 is supported by the reinforcing frame 9, so that the stability is greatly improved; the inner side of the hoop 2 is provided with a concave surrounding edge 11 and is matched with the annular bulge 12 of the base 1, so that the connection stability between the hood main body and the base 1 is improved, the hood main body can be transversely installed and can be used for ventilation of a curtain wall, and the fan blade assembly is also suitable for use.

The details of the present invention are well known to those skilled in the art.

Finally, it is to be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified and replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. A double-layer hood is characterized in that: comprises a hood main body and a fan blade component;

the blast cap main body comprises a base (1), a hoop (2), arc-shaped blades (3), a top plate (4) and a support frame (5), wherein a plurality of arc-shaped blades (3) are arranged in an annular shape, the bottom ends of the arc-shaped blades (3) are respectively connected with the hoop (2), the top ends of the arc-shaped blades (3) are connected with the top plate (4), the middle position of the top plate (4) is connected with the top end of a main shaft (6), the outer end of the support frame (5) is connected with the inner wall of the base (1), a first bearing (7) is arranged at the middle position of the support frame (5), the bottom end of the main shaft (6) is connected with the first bearing (7), the bottom end of the main shaft (6) is provided with an external thread and is provided with a limit nut (8), and a reinforcing frame (9) is further arranged on one side of the support frame (5) close to, a sleeve (10) is arranged at the middle position of one end, far away from the support frame (5), of the reinforcing frame (9), the main shaft (6) penetrates through the sleeve (10), a concave surrounding edge (11) is arranged on the inner side of the hoop (2), an annular bulge (12) is arranged on the outer side surface of the upper end of the base (1), the annular bulge (12) is matched with the concave surrounding edge (11), and a mounting flange (13) is further arranged on the lower surface of the base (1);

the fan blade subassembly includes connecting seat (14) and flabellum (15), connecting seat (14) bottom is passed through the flange and is linked to each other with roof (4), the top outside of connecting seat (14) evenly is provided with a plurality of flabellum (15), the incline direction of flabellum (15) all matches each other with the exhaust direction of arc blade (3).

2. The double-layer hood according to claim 1, wherein: the top of main shaft (6) is provided with connecting plate (16), a plurality of mounting holes have been seted up in connecting plate (16), roof (4) are close to central point and are put the department and have seted up a plurality of mounting holes, the mounting hole of connecting plate (16) and the position one-to-one of roof (4) mounting hole pass through bolt interconnect.

3. The double-layer hood according to claim 1, wherein: the top end of the arc-shaped blade (3) is provided with an upper end connecting sheet (17), the upper end connecting sheet (17) is connected with the periphery of the top plate (4) through screws, the bottom end of the arc-shaped blade (3) is provided with a lower end connecting sheet (18), and the lower end connecting sheet (18) is connected with the outer side surface of the hoop (2) through screws.

4. The double-layer hood according to claim 1, wherein: an air outlet gap is reserved between every two adjacent arc-shaped blades (3).

5. The double-layer hood according to claim 1, wherein: a second bearing (19) is arranged in the sleeve (10), and the main shaft (6) is connected with the second bearing (19) mutually.

6. The double-layer hood according to claim 1, wherein: the supporting frame (5) comprises an inner ring (501) and connecting rods (502), the first bearing (7) is installed inside the inner ring (501), a plurality of connecting rods (502) are evenly arranged on the outer side of the inner ring (501), one end, far away from the inner ring (501), of each connecting rod (502) is connected with the inner wall of the base (1) through bolts, the reinforcing frame (9) is composed of a plurality of L-shaped rods (901), the outer side of the sleeve (10) is connected with the plurality of L-shaped rods (901), the number of the L-shaped rods (901) is consistent with the number of the connecting rods (502) and corresponds to the connecting rods (502) one by one, and one end, far away from the sleeve (10), of each L-shaped rod (901) is connected with the connecting rods.

7. The double-layer hood according to claim 1, wherein: the hoop (2) is of a strip-shaped structure, two rows of connecting holes are formed in the hoop (2), and two ends of the hoop (2) are connected with each other to form an annular structure.