CN210980242U

CN210980242U - Roof ventilator based on unpowered hood

Info

Publication number: CN210980242U
Application number: CN201922182476.2U
Authority: CN
Inventors: 万仕栋; 吴勇
Original assignee: Shanghai Yersson Draft Apparatus Co ltd
Current assignee: Shanghai Yersson Draft Apparatus Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-07-10
Anticipated expiration: 2029-12-03

Abstract

The utility model relates to a ventilator technical field just discloses a roof ventilator based on unpowered hood, including arc guide vane, ejector pin and last stationary blade, the bottom fixed connection of arc guide vane's top and ejector pin. This roof ventilator based on unpowered hood, through setting up the ejector pin, first spring, the second spring, first stopper, the second stopper, the picture peg etc., insert the picture peg in the slot of bottom plate, exert pressure to first stopper and second stopper, make the two receive the inside of ejector pin back under the effect of first spring and second spring, insert the through inslot of stationary blade with the ejector pin, loosen first stopper and second stopper, first stopper and second stopper are spacing and fixed to arc guide vane, the arc blade who has solved current unpowered hood adopts the rivet, screw connection, and the blade is structure as an organic whole, the installation is time-consuming, it is inconvenient to maintain, in case the blade is impaired, need to change the problem of whole blade.

Description

Roof ventilator based on unpowered hood

Technical Field

The utility model relates to a ventilator technical field specifically is a roof ventilator based on unpowered hood.

Background

The unpowered funnel cap, also called spherical ventilator and spiral-flow type ventilator are a device which utilizes the natural wind speed of the nature to drive the turbine of the fan to rotate and the indoor and outdoor air convection principle, and can accelerate and convert the air flow in any parallel direction into the vertical air flow from bottom to top so as to improve the indoor ventilation effect.

The arc-shaped blade of the existing unpowered hood adopts rivets and is connected through screws, the blade is of an integrated structure, time is consumed in installation, maintenance is inconvenient, and once the blade is damaged, the whole blade needs to be replaced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a roof ventilator based on unpowered hood possesses the installation of being convenient for, maintains the advantage such as, and the arc blade who has solved current unpowered hood adopts the rivet, and the screw connection, and blade structure as an organic whole, and the installation is time-consuming, and it is inconvenient to maintain, in case the blade is impaired, needs to change the problem of whole piece blade.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a roof ventilator based on unpowered hood, includes arc guide vane, ejector pin and last stationary blade, the top of arc guide vane and the bottom fixed connection of ejector pin, the top of arc guide vane and the bottom overlap joint of last stationary blade, go up the inside side swing joint who runs through groove and ejector pin of stationary blade, the ejector pin top runs through the inner wall fixedly connected with baffle in groove, the first spring of right side fixedly connected with of baffle, the first stopper of one end fixedly connected with of baffle is kept away from to first spring, the first right slider of top fixedly connected with of first stopper, first right slider and the inside spout swing joint of ejector pin, the bottom fixedly connected with second right slider of first stopper, the inside spout swing joint of second right slider and ejector pin.

The left side fixedly connected with second spring of baffle, the one end fixedly connected with second stopper of baffle is kept away from to the second spring, the first left slider of top fixedly connected with of second stopper, first left slider and the inside spout swing joint of ejector pin, the left slider of bottom fixedly connected with second of second stopper, the left slider of second and the inside spout swing joint of ejector pin, arc guide vane's bottom fixedly connected with picture peg, peg graft on the surface of picture peg has the bottom plate, it passes through the pole setting with the bottom plate and is connected to go up the stationary blade, the top of pole setting and the bottom fixed connection of last stationary blade, the bottom of pole setting and the top fixed connection of bottom plate.

Preferably, the upper fixing piece is internally provided with a through groove which penetrates from the top to the bottom.

Preferably, the top of the ejector rod is a penetrating structure, the penetrating structure is a penetrating groove which penetrates from the left end to the right end of the ejector rod, and a sliding groove is formed in the top wall and the bottom wall of the penetrating groove.

Preferably, the top of the lower fixing plate is provided with a slot extending to the inside, and the slot is matched with the size of the inserting plate.

Preferably, the specification of the second limiting block is the same as that of the first limiting block, and an anti-slip groove is formed in one end, far away from the first spring, of the first limiting block.

Preferably, the second spring has the same specification as the first spring.

Compared with the prior art, the utility model provides a roof ventilator based on unpowered hood possesses following beneficial effect:

1. this roof ventilator based on unpowered hood, through setting up the ejector pin, first spring, the second spring, first stopper, the second stopper, the picture peg etc., insert the picture peg in the slot of bottom plate, exert pressure to first stopper and second stopper, make the two receive the inside of ejector pin back under the effect of first spring and second spring, insert the through inslot of stationary blade with the ejector pin, loosen first stopper and second stopper, first stopper and second stopper are spacing and fixed to arc guide vane, the arc blade who has solved current unpowered hood adopts the rivet, screw connection, and the blade is structure as an organic whole, the installation is time-consuming, it is inconvenient to maintain, in case the blade is impaired, need to change the problem of whole blade.

2. This roof ventilator based on unpowered hood through setting up first left slider, the left slider of second, first right slider, the right slider of second, makes first stopper and second stopper keep steady when removing, has avoided the problem that first stopper and second stopper follow the inside ejector pin and break away from.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is an enlarged view of a portion of A in FIG. 1 according to the present invention;

fig. 3 is a front view partial structure sectional view of the present invention.

Wherein: 1. an arc-shaped guide vane; 2. a top rod; 3. an upper fixing sheet; 4. a partition plate; 5. a second spring; 6. a second limiting block; 7. a first left slider; 8. a second left slider; 9. a first spring; 10. a first stopper; 11. a first right slider; 12. a second right slider; 13. inserting plates; 14. a lower fixing plate; 15. and (6) erecting a rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a roof ventilator based on an unpowered hood comprises an arc-shaped guide vane 1, a top rod 2 and an upper fixing piece 3, wherein the top end of the arc-shaped guide vane 1 is fixedly connected with the bottom end of the top rod 2, the top of the top rod 2 is a through structure, the through structure is a through groove which penetrates from the left end to the right end of the top rod 2, the top wall and the bottom wall of the through groove are provided with sliding grooves, the top end of the arc-shaped guide vane 1 is overlapped with the bottom of the upper fixing piece 3, the inside of the upper fixing piece 3 is provided with a through groove which penetrates from the top to the bottom, the through groove inside the upper fixing piece 3 is movably connected with the side surface of the top rod 2, the inner wall of the through groove at the top of the top rod 2 is fixedly connected with a partition plate 4, the right side of the partition plate 4 is fixedly connected with a first spring 9, one end of the first spring 9, first right slider 11 and the inside spout swing joint of ejector pin 2, the bottom fixedly connected with second right slider 12 of first stopper 10, second right slider 12 and the inside spout swing joint of ejector pin 2.

The left side of the baffle plate 4 is fixedly connected with a second spring 5, the specification of the second spring 5 is the same as that of the first spring 9, one end of the second spring 5, which is far away from the baffle plate 4, is fixedly connected with a second limiting block 6, the specification of the second limiting block 6 is the same as that of the first limiting block 10, one end of the first limiting block 10, which is far away from the first spring 9, is provided with an anti-skid groove, the anti-skid groove prevents the first limiting block 10 and the second limiting block 6 from being stressed due to hand skid during installation, the top of the second limiting block 6 is fixedly connected with a first left sliding block 7, the first left sliding block 7 is movably connected with a sliding groove in the ejector rod 2, the bottom of the second limiting block 6 is fixedly connected with a second left sliding block 8, the first left sliding block 7, the second left sliding block 8, the first right sliding block 11 and the second right sliding block 12 are arranged, so that the first limiting block 10 and the second limiting block 6 are kept stable during movement, and the problem, second left slider 8 and the inside spout swing joint of ejector pin 2, arc guide vane 1's bottom fixedly connected with picture peg 13, the surface of picture peg 13 is pegged graft and is had bottom plate 14, the slot that extends to inside is seted up at the top of bottom plate 14, and this slot and picture peg 13's size phase-match, it is connected through pole setting 15 with bottom plate 14 to go up stationary blade 3, the top of pole setting 15 and the bottom fixed connection of last stationary blade 3, the bottom of pole setting 15 and the top fixed connection of bottom plate 14.

When using, insert picture peg 13 in the slot of lower fixed plate 14, exert pressure to first stopper 10 and second stopper 6 again, make the two shrink back the inside of ejector pin 2 under the effect of first spring 9 and second spring 5, insert ejector pin 2 the through-groove of stationary blade 3, loosen first stopper 10 and second stopper 6, first stopper 10 and second stopper 6 are spacing and fixed to arc guide vane 1, arc guide vane 1 is fixed between upper fixed blade 3 and lower fixed plate 14, install remaining arc guide vane 1 in proper order.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a roof ventilator based on unpowered hood, includes arc guide vane (1), ejector pin (2) and goes up stationary blade (3), its characterized in that: the top end of the arc guide vane (1) is fixedly connected with the bottom end of the ejector rod (2), the top end of the arc guide vane (1) is lapped with the bottom of the upper fixing piece (3), the through groove in the upper fixing piece (3) is movably connected with the side surface of the ejector rod (2), the inner wall of the top penetrating groove of the ejector rod (2) is fixedly connected with a partition plate (4), the right side of the partition plate (4) is fixedly connected with a first spring (9), one end of the first spring (9) far away from the clapboard (4) is fixedly connected with a first limiting block (10), the top of the first limiting block (10) is fixedly connected with a first right sliding block (11), the first right slide block (11) is movably connected with a sliding groove in the top rod (2), the bottom of the first limiting block (10) is fixedly connected with a second right sliding block (12), the second right sliding block (12) is movably connected with a sliding groove in the ejector rod (2);

the left side fixedly connected with second spring (5) of baffle (4), the one end fixedly connected with second stopper (6) of baffle (4) is kept away from to second spring (5), the top fixedly connected with first left slider (7) of second stopper (6), first left slider (7) and the inside spout swing joint of ejector pin (2), the bottom fixedly connected with second left slider (8) of second stopper (6), the inside spout swing joint of second left slider (8) and ejector pin (2), the bottom fixedly connected with picture peg (13) of arc water conservancy diversion blade (1), the surface grafting of picture peg (13) has bottom plate (14), go up stationary blade (3) and bottom plate (14) and be connected through pole setting (15), the top of pole setting (15) and the bottom fixed connection of last stationary blade (3), the bottom end of the upright rod (15) is fixedly connected with the top of the lower fixing plate (14).

2. The unpowered hood based roof ventilator of claim 1 wherein: the inside of the upper fixing piece (3) is provided with a through groove which penetrates from the top to the bottom.

3. The unpowered hood based roof ventilator of claim 1 wherein: the top of ejector pin (2) is for running through the structure, and this run through the structure is run through to the through groove of right-hand member by the left end of ejector pin (2), and runs through the roof and the diapire in groove and seted up the spout.

4. The unpowered hood based roof ventilator of claim 1 wherein: the top of the lower fixing plate (14) is provided with a slot extending to the inside, and the slot is matched with the size of the inserting plate (13).

5. The unpowered hood based roof ventilator of claim 1 wherein: the specification of the second limiting block (6) is the same as that of the first limiting block (10), and an anti-skidding groove is formed in one end, far away from the first spring (9), of the first limiting block (10).

6. The unpowered hood based roof ventilator of claim 1 wherein: the specification of the second spring (5) is the same as that of the first spring (9).