CN2648137Y

CN2648137Y - Roof air exhausting fan with imporved structure

Info

Publication number: CN2648137Y
Application number: CN 03261190
Authority: CN
Inventors: 萧秋绒
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-08-19
Filing date: 2003-08-19
Publication date: 2004-10-13
Anticipated expiration: 2013-08-19

Abstract

The utility model relates to an exhaust fan with an improved structure which is fixedly arranged on a roof; the utility model includes a placement body which is arranged on a base seat part; the placement body is provided with a chamber part; the interior of the placement body is also provided with a rain sheltering body; a top surface of the chamber part is provided with a flange with a flowing mouth; the flange can be mutually locked and buckled with a chimney cover with two opening ends; an external edge of the opening end at one side of the chimney cover is provided with a buckle lip; the other opening end of the chimney cover is provided with an exhaust mouth; a cylinder arranged on the chimney cover can be ahead provided with a motor body; the buckle lip is combined with the flange. According to the structure of the utility model, the utility model has perfect chimney effect; an amount of indoor hot air can be fast exhausted when the motor body runs; the hot air can be smoothly and naturally exhausted when the motor body is not required to run, thus the effects of the small wind resistance, the large exhaust quantity and the electric power saving and cost saving can be reached.

Description

Structure improved roof ventilating fan

Technical field

The utility model relates to a kind of roof ventilating fan, and especially a kind of structure improved roof ventilating fan can not influence the mobile discharge of hot gas, the advantage that has simple and easy installation, high stack effect and can save a large amount of big and heavy man-hours and electric power expenditure cost.

Background technique

According to general traditional roof ventilating fan now, its structure is shown in the combination section of Fig. 1, it comprises that mainly can be laid a pedestal 10 that is fixed on the roof, set neck 11 inner edges can be locked and establish a support body 20 on the top of pedestal 10, and each overlength cantilever tip of support body 20 can be organized and establishes a top cover 30, establish a motor body 40 with flabellum in the middle position group of support body 20 again and make progress uprightly, 40 runnings of motor body can drain into indoor hot gas outdoor when electric power starting.

Aforesaid conventional construction, for the running of pumping action, also have following shortcoming: (one) is when 40 runnings of motor body, indoor hot gas is evacuated to pedestal 10 from bottom to top, be forced to stop counter steer below and mobile when upwards arriving top cover 30 again to all around, such hot gas flows must to cause downwards the time producing with the hot gas that upwards flows and interferes and disturbing phenomenon takes place, small arrow as shown in Figure 1, and the effect that causes discharging hot gas is bad; (2) again because top cover 30 is blocked in the top of the neck 11 of pedestal 10, causes hot gas to be pumped and be hampered, the exhausting amount reduces relatively so windage is big; When (three) not opening the general unpowered dispatch hot gas of motor body 40, do not have high stack effect, cause hot gas to discharge naturally and need open motor body 40 at any time and turn round, cause the increase of power cost because of stopping of top cover 30.

The inventor is designed according to many years of experience because the shortcoming of above-mentioned conventional construction produces the idea of creation, through inquiring into and study sampling test in many ways, and after repeatedly revising improvement, proposes the patent application of the utility model creation.

Summary of the invention

The purpose of this utility model provides a kind of structure improved roof ventilating fan, and it can make hot gas be able to smooth discharge when motor is opened and do not opened, and has high stack effect, and installs simple and easyly, can save a large amount of big and heavy man-hours and electric power expenditure cost.

The structure improved roof of the utility model ventilating fan, be to combine by putting body, chimney mantle and motor body, wherein the motor body is to be contained in chimney inside by screw, nut block earlier, the storing body can be fixed on the base part on roof, and inwardly be provided with emptying part, the end face of this emptying part encloses a flange with head piece, the below of head piece and emptying part space appropriate location are provided with a rain-proof body, chimney mantle is located at the flange top, two opening ends are arranged, an opening end outer rim is provided with a button lip, and another opening end then is made as relief opening.

Wherein, the flange hypomere with head piece of described storing body is provided with an arc leading edge.

The flange perimeter with head piece of described storing body equidistantly is provided with several perforation at interval; The lip peripheral intervals of buckleing of described chimney mantle equidistantly is provided with several perforation, can establish by relative lock with the perforation of flange.Like this, roof ventilating fan obtains easy phase interlocking and establishes at the lip of buckleing of the openings at one side end of putting set flange with head piece and the chimney mantle with two opening ends on the emptying part of body.

A side of set rain-proof body is provided with the discharge orifice in the emptying part of described storing body, and both sides are provided with dividing plate in addition, and rain-proof body can be prevented rainwater, anti-leaking.

Advantage of the present utility model is:

1, when the motor body turned round, its chimney mantle had the opening end that a standard-sized sheet is put, and hot gas is not subjected to disturbance, can discharge hot gas in a large number thereby windage is little, had high stack effect, can discharge hot gas in a large number, reduce room temperature rapidly;

2, under the situation that the motor body need not turn round, because high stack effect is arranged, still can be naturally successfully indoor hot gas be discharged, make under some temperature and do not need the running of motor body, thereby save electric power and reduce expenditure cost.

3, because after in advance the motor body being assembled in chimney mantle inside, only chimney mantle and base body group are established to finish then and get final product, reduce big and heavy man-hour in a large number thereby installation is simple and easy.

4, the good high stack effect of the utility model tool is established a rain-proof body in putting the emptying part of body, can prevent that rainwater, leakproof water intrusion are indoor.

Description of drawings

Fig. 1 is the combination schematic representation of traditional roof ventilating fan

Fig. 2 is the three-dimensional exploded view of the utility model roof ventilating fan

Fig. 3 is the three-dimensional combination figure of the utility model roof ventilating fan

Fig. 4 is the combination section of the utility model roof ventilating fan

The component symbol simple declaration:

50...... put body 51...... base part

52...... emptying part 53...... flange

531...... perforation 54...... head piece

55...... leading edge 56...... rain-proof body

57...... discharge orifice 58...... dividing plate

60...... chimney mantle 61...... cylindrical shell

62...... button lip 621...... perforation

63...... exhaust port 70...... motor body

71...... support body 72...... prevents water motor

73...... flabellum

Embodiment

Conjunction with figs. below describes most preferred embodiment of the present utility model in detail.

As shown in Figure 2, be three-dimensional exploded view of the present utility model.The utility model is that periphery is provided with base part 51 below the storing body 50 that can fixedly be located at the roof, toward the interior emptying part 52 that upwards is provided with, the end face central authorities of this emptying part 52 enclose the flange 53 with head piece 54, the inner edge hypomere of flange 53 is established an arc leading edge 55, the inner space appropriate location of below of this head piece 54 (under also can being) and emptying part 52 is established a rain-proof body 50 with discharge orifice 57 and dividing plate 58, as shown in the figure, one side of rain-proof body 50 is provided with discharge orifice 57, both sides are provided with dividing plate 58 in addition, can prevent rainwater, anti-leaking, on flange 53, can organize and establish a chimney mantle 60, chimney mantle 60 is established the cylindrical shell 61 of a pair of opening end, one opening end outer rim is established the button lip 62 of equidistant several perforation 621 in an interval, another opening end is provided with relief opening 63, group is established motor body 70 in the cylindrical shell 61 of chimney mantle 60, motor body 70 comprises the support body 71 with several short supports, and the downward anti-water motor 72 and flabellum 73 of fixed in position on support body, and then will put body 50 and in advance motor body 70 be assembled the chimney mantle of finishing 60 and fit together and to obtain structure improved roof of the present utility model ventilating fan.

Fig. 3, Fig. 4 are combination stereogram of the present utility model and combination section.When motor body 70 by the perforation on support body 71 several supports with after the perforation of chimney mantle 60 barrel walls is connected with screw, nut mutually, buckleing lip 62 and boring a hole of chimney mantle 60 621 is buckled in the flange 53 of putting

body

50, and 531 relative with perforation, can rely on the connection of screw, nut and simply finish combination.So, when opening 70 runnings of motor body, hot gas extracts from lower to upper and sends, via the rain-proof body 56 both sides large spaces of the emptying part 52 of putting body 50 and the space between rain-proof body 56 and emptying part 52 end faces, the relief opening 63 that arrives chimney mantle 60 is discharged the big direction of arrow as shown in Figure 4 in a large number; When not opening running motor body 70, because chimney mantle 60 has the relief opening 63 of an open end, has high stack effect, derive indoor hot air temperature thereby take advantage of a situation naturally, make the big room temperature that reduces rapidly of the little and exhausting amount of windage, still can get rid of hot gas naturally when no motor body 70 turns round and save a large amount of power costs, being provided with of rain-proof body 56 can be prevented rainwater, anti-leaking simultaneously.

In sum, the utlity model has breakthrough structure, thereby create contents with improvement, using value and progressive on the industry are also arranged simultaneously, and the utility model content does not see any publication and delivers, and has a novelty yet, meets the relevant regulations of Patent Law, so propose utility application in accordance with the law, request Patent Office grants patent in accordance with the law.

Above-described is embodiment preferably of the present utility model, can not be used to limit the scope that the utility model is implemented, and every equalization of being done according to the utility model claim changes and modifies, and all should belong to the scope of the utility model patent protection.

Claims

1. structure improved roof ventilating fan, it is characterized in that: it is to combine by putting body, chimney mantle and motor body, wherein the motor body is to be contained in chimney mantle inside by screw, nut block earlier, the storing body can be fixed on the base part on roof, and inwardly be provided with emptying part, the end face of this emptying part encloses a flange with head piece, the below of head piece and emptying part space appropriate location are provided with a rain-proof body, chimney mantle is located at the flange top, two opening ends are arranged, an opening end outer rim is provided with a button lip, and another opening end then is made as relief opening.

2. structure improved roof according to claim 1 ventilating fan is characterized in that: the flange hypomere with head piece of described storing body is provided with an arc leading edge.

3. structure improved roof according to claim 1 ventilating fan is characterized in that: the flange perimeter with head piece of described storing body equidistantly is provided with several perforation at interval.

4. structure improved roof according to claim 3 ventilating fan is characterized in that: the lip peripheral intervals of buckleing of described chimney mantle equidistantly is provided with several perforation, can with the perforation of flange mutually interlocking establish.

5. structure improved roof according to claim 1 ventilating fan is characterized in that: a side of set rain-proof body is provided with the discharge orifice in the emptying part of described storing body, and both sides are provided with dividing plate in addition.