CN2692564Y

CN2692564Y - Exhausting outlet device for exhausting pipe end

Info

Publication number: CN2692564Y
Application number: CN 200420019848
Authority: CN
Inventors: 毛毓麟
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-01-30
Filing date: 2004-01-30
Publication date: 2005-04-13
Anticipated expiration: 2014-01-30

Abstract

The aim of the utility model is to design an exhausting outlet device for an exhausting pipeline tail end. The utility model is mainly composed of an upright pipe section exhausting air vertically and upwards, a water-proof lip edge in the upright pipe section and a pipe section inclining upwards at 45DEG. Besides, the utility model provides the functions of the exhausting outlet device, such as rain prevention, wind prevention, unimpeded exhaust, etc. by being connected with a wind outlet of a fan. In addition, the exhausting outlet device of the utility model is also provided with a drain hole, an access opening, a closing plate of the access opening, a fixing base and other components at the bottom of the upright pipe section. The gas in the connected exhausting pipeline is exhausted outside a room by an exhausting outlet. Therefore, the utility model has the function of simple, convenient and safe repair.

Description

The floss hole device of exhaust duct end

Technical field

The utility model relates to a kind of floss hole device of exhaust duct end.

Background technology

The inherence, laboratory often has waste gas and produces when doing experiment, this just needs will test the toxic emission of generation outside the room by an exhaust duct.The exhaust duct operated by rotary motion is discharged to atmosphere with waste gas in-line arrangement airduct road in the floss hole device of end by a blower fan in doors, and floss hole device operated by rotary motion (as roof) outside the room is so that enter atmosphere with waste gas.But just because of floss hole device setting cause without causes under the situation on rainy day, rainwater can flow to exhaust duct along floss hole, if meet the weather of blowing, also might make the waste gas that emits flow backward to exhaust duct.In view of the above, the technical staff has found out multiple rainproof floss hole device, and is as described below:

Figure 1 shows that the rain-proof structure of the A type floss hole device of exhaust duct end now, mainly be that blower fan floss hole 401 ends in the horizontal air-out that links to each other with floss hole 403 install a brim of a hat shape rain shade 402 that extends additional, avoid flowing in the blower fan floss hole 401 to cover rainwater, this rain-proof type floss hole device, it is simple in structure and air draft is smooth and easy, but following shortcoming is arranged: 1. air outlet is necessary for horizontal drain, thereby cushion space that need be bigger, otherwise cause influence easily, even harm to ancillary equipment and personnel; 2. therefore air outlet has directionality owing to want horizontal drain, but the horizontal wind direction of atmosphere changes but the time, causes wind, rain to pour in down a chimney in the blast pipe easily.

Fig. 2 is the rainproof mode of the Type B floss hole device of another kind of now exhaust duct end, mainly be blower fan 502 air outlet installing vertically upward extend and on airduct 504 ends install a bamboo hat shape rain shade 501 additional, avoid flowing in airduct 504 and the floss hole 503 to cover rainwater, it is simple in structure, but following shortcoming is arranged: 1. cover bamboo hat shape rain shade 501 on the air outlet, stop though can cover wind and rain but also the air-flow of discharging in the airduct 504 be caused directly simultaneously, make the air-flow must be to the side with greater than 90 ° turnover and go out, the frictional resistance that is caused is bigger, air draft is obstructed, must strengthen the blower fan specification, to overcome the resistance of extra increase; 2. when meeting with violent storm also difficulty avoid rainwater to sweep away entering in the airduct 504, otherwise must strengthen bamboo hat shape rain shade 501, make its cover eaves lower edge be lower than the air draft mouth of pipe, but but cause resistance bigger; 3. because bamboo hat shape rain shade 501 is positioned at the airduct 504 terminal eminences of air-out vertically upward, if there is damaged maintenance to be difficult for.

The third now the C type floss hole device of exhaust duct end rainproof mode as shown in Figure 3, mainly be blower fan 603 air outlet installing vertically upward extend and on airduct 602 ends install the cucurbit shape floss hole 601 of a built-in collection rain drain bucket additional, avoid flowing in the airduct 602 to cover rainwater, its structure is complicated, though frictional resistance is very little, air draft is smooth and easy, but still have following shortcoming: 1. cover cucurbit shape floss hole 601 on the air outlet, though the wind and rain ability of covering that more preceding two kinds of tools are better, but the while still causes part to stop to the air-flow of discharges in the airduct 602, make air-flow walk around the collection rain drain bucket at floss hole 602 centers and go out with continuous three turnovers of 45 °, it still causes considerable frictional resistance, must strengthen blower fan 603 specifications, to overcome the resistance of extra increase; 2. because cucurbit shape floss hole 601 is positioned at the airduct 602 terminal eminences of air-out vertically upward, maintenance is difficult for when stopped up by foreign material if breakage is arranged or collect rain drain bucket drainpipe.

The utility model content

The purpose of this utility model provides a kind of floss hole device that has the exhaust duct end of rainproof, windproof, the smooth and easy function of air draft concurrently.

For reaching above-mentioned purpose, the floss hole device of exhaust duct end of the present utility model, be characterized in comprising: vertically upward a standpipe section, be formed at the waterproof lip limit in the described standpipe section stage casing, be formed at described standpipe section stage casing and be positioned at waterproof lip limit air intake vent with corresponding position, described waterproof lip limit, the waterproof lip limit air intake vent inclined tube section that upwards is connected at 45 with described standpipe section, one is arranged at the osculum of described standpipe section bottom, one is arranged at the access hole of described standpipe section bottom, be used for access hole shrouding with described access hole sealing, and the fixed pedestal of standpipe section bottom.

Adopt such structure, make the floss hole device of exhaust duct end reach rainproof, windproof and air draft function smoothly, and can under situation about need not climb to a higher point, clean and overhaul, and reach simple and easy and safe functioning.

For further specifying above-mentioned purpose of the present utility model, design feature and effect, the utility model is described in detail below with reference to accompanying drawing.

Description of drawings

Fig. 1 is the schematic perspective view of existing A type floss hole device.

Fig. 2 is the schematic perspective view of existing Type B floss hole device.

Fig. 3 is the schematic perspective view of existing C type floss hole device.

Fig. 4 is the schematic perspective view of the floss hole device of the utility model specific embodiment.

Fig. 5 is the three-dimensional exploded view of the utility model floss hole device.

Fig. 6 is the cutaway view of the utility model floss hole device.

The specific embodiment

See also shown in Fig. 4,5, the floss hole device of the utility model exhaust duct end mainly comprises: the osculum 101, that vertically upward an air draft standpipe section 10, is formed at standpipe section 10 bottoms is located at air outlet

cohesive end

301,30 times air intake vent cohesive ends 302 of an inclined tube section on the fixed pedestal 104, the waterproof lip limit 20 in the standpipe section 10,201,1 ° of upward pipeline sections 30 of a waterproof lip limit 20 air intake vent cohesive ends, an inclined tube section 30 of access hole shrouding 103, a standpipe section 10 bottoms of access hole 102, standpipe section 10 bottoms of standpipe section 10 bottoms.

Above-mentioned air draft standpipe section 10 vertically upward is an open column shape body, and mainly being is providing the upwards passage of discharging of air-flow, and it is fixed in outdoor ground or roof terrace with the fixed pedestal 104 of standpipe section 10 bottoms down.The air intake vent cohesive end 201 on waterproof lip limit, side, standpipe section 10 stage casing 20 is connected mutually with the last air outlet cohesive end 301 of 45 ° of upward pipeline sections 30, waterproof lip limits 20 in the standpipe section 20 are to be an open column shape body antelabium, mainly be stop rainwater by standpipe section 10 in or when inwall drips, enter inclined tube section 30 downwards to guarantee water resistance; 45 ° of upward pipeline sections 30 are to be an open column shape body, it mainly provides air-flow with 45 ° of passages that upwards are disposed to standpipe section 10,302 of air intake vent cohesive ends are connected with the 45 ° of exhaust blower that makes progress 303 air outlets of air outlet under the other end, are connected (or also can directly not being connected with the exhaust duct 304 terminal mouths of pipe by exhaust blower 303) again with the exhaust duct 304 terminal mouths of pipe that gone out by indoor guiding.Standpipe section 10 bottoms are provided with a bottom discharge hole 101, serve as the eliminating work of ponding in the pipe; Standpipe section 10 bottoms are provided with a bottom access hole 102 in addition, which is provided with access hole shrouding 103, mainly are the maintainer need not to be climbed to a higher point in ground can clear up maintenance work.

See also the cutaway view that Figure 6 shows that the utility model floss hole device, when the terminal air draft mouth of pipe of exhaust system with after this floss hole combines, the air-flow of its introversive outer dispatch will enter vertically upward standpipe section 10 along inclined tube section 30, and then direction is transferred immediately 45 ° and upwards discharged by the outlet of standpipe section 10 tops and go out.Only once 45 ° turnover when air-flow is advanced, and caliber does not reduce in the air-flow traveling process, thus its because of friction that resistance caused with very little, make air draft smooth and easy, this is one of its major function; When outdoor when rainy rainwater will splash into the mouth of pipe of standpipe section 10 tops, and the vertical drippage pipe end or postpone and descend along tube wall, wandering the pipe end is discharged by bottom discharge hole 101 again, process in rainwater landing vertically downward can be through the port of inclined tube section 30 with standpipe section 10, but because waterproof lip limit 20 has stopping of flange design, can't enter in the inclined tube section 30 causes rainwater to pour in down a chimney into exhaust duct system, even if because the powerful rainwater that causes of wind is tiltedly beaten and following time, also maintain straight length height more than the standpipe section top outlet caliber twice apart from the port upper limb of inclined tube section 30 because of standpipe section 10 tops outlets, so be subjected to powerful wind to influence the rainwater of tiltedly beating, only can export up caliber at the most twice tiltedly get to inwall with interior straight length height, it can't spread all over because of wind down, rainwater will can't enter in the inclined tube section 30 because of gravity vertically falls, and this is two of its major function; In like manner, because there is not situation vertically downward in the flow direction of atmosphere, so this floss hole device also can prevent effectively that high wind from pouring in down a chimney into exhaust duct system, this is three of its major function.

In addition, because the open type of the utility model floss hole device design, simple structure, the unique problem that may need safeguard is only stopped up because of foreign material fall at standpipe section 10 pipe inner bottom part osculums 101, the attendant only need pull down bottom access hole shrouding 103 in ground, got final product by clearing up in the bottom access hole 102, very simple and easy, this is one of its secondary function; Moreover because of the attendant only needs in the terrestrial operation supreme square tube mouth maintenance of need not climbing to a higher point, so also can guarantee attendant's safety, this is two of its secondary function.

Have following advantage by aforesaid floss hole device of the present utility model: (1) is rainproof; (2) windproof; (3) air draft is smooth and easy; (4) simple and easy maintenance; (5) safety.

Though the utility model is described with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, under the situation that does not break away from the utility model spirit, also can make the variation and the modification of various equivalences, therefore, as long as variation, the modification to the foregoing description all will drop in the scope of the utility model claims in connotation scope of the present utility model.

Claims

1. the floss hole device of an exhaust duct end, it is characterized in that comprising: vertically upward a standpipe section, be formed at the waterproof lip limit in the described standpipe section stage casing, be formed at described standpipe section stage casing and be positioned at waterproof lip limit air intake vent with corresponding position, described waterproof lip limit, the waterproof lip limit air intake vent inclined tube section that upwards is connected at 45 with described standpipe section, one is arranged at the osculum of described standpipe section bottom, one is arranged at the access hole of described standpipe section bottom, be used for access hole shrouding with described access hole sealing, and the fixed pedestal of standpipe section bottom.

2. the floss hole device of exhaust duct end as claimed in claim 1, it is characterized in that: also comprise the waterproof lip limit air intake vent cohesive end that is formed at the described waterproof lip limit air intake vent outside, be formed on the inclined tube section at described inclined tube section two ends air intake vent cohesive end under the air outlet cohesive end and inclined tube section.

3. the floss hole device of exhaust duct end as claimed in claim 1 or 2 is characterized in that: described standpipe section is to be an open column shape body, and the air outlet cohesive end is connected mutually on the described waterproof lip limit air intake vent cohesive end that is formed at its middle section and the inclined tube section.

4. the floss hole device of exhaust duct end as claimed in claim 1 or 2, it is characterized in that: described waterproof lip limit is to be an open column shape body antelabium, is formed at that the air outlet cohesive end is connected mutually on described waterproof lip limit air intake vent cohesive end and the inclined tube section in its outside.

5. the floss hole device of exhaust duct end as claimed in claim 1 or 2, it is characterized in that: described inclined tube section is to be an open column shape body, the air outlet cohesive end is connected mutually with waterproof lip limit air intake vent cohesive end on the side's formed thereon described inclined tube section, is formed at that the air intake vent cohesive end is connected with the air outlet exhaust blower air outlet that makes progress at 45 or is connected with the terminal mouth of pipe of the exhaust duct that is gone out by indoor guiding under the described inclined tube section of its other end.

6. the floss hole device of exhaust duct end as claimed in claim 1 is characterized in that: described access hole is to be square, a circular or polygonal opening, and described access hole shrouding is and the corresponding shrouding of described access hole shape size.

7. the floss hole device of exhaust duct end as claimed in claim 1 is characterized in that: described fixed pedestal is to be square, a circular or polygonal pedestal or tabular, with fixing described standpipe section.

8. the floss hole device of exhaust duct end as claimed in claim 2 is characterized in that: described waterproof lip limit air intake vent cohesive end is to be a plug-in type or flange form interface, and with described inclined tube section on the air outlet cohesive end be connected mutually.

9. the floss hole device of exhaust duct end as claimed in claim 2 is characterized in that: the air outlet cohesive end is to be a plug-in type or flange form interface on the described inclined tube section, and is connected mutually with described waterproof lip limit air intake vent cohesive end.

10. the floss hole device of exhaust duct end as claimed in claim 2, it is characterized in that: the air intake vent cohesive end is to be a plug-in type or flange form interface under the described inclined tube section, and is connected mutually with the exhaust blower air outlet or with the terminal mouth of pipe of the exhaust duct that is gone out by indoor guiding.