CN201043625Y

CN201043625Y - Automatic non-return wind valve of pipe type discharge flue

Info

Publication number: CN201043625Y
Application number: CNU200720101733XU
Authority: CN
Inventors: 阎梦遥; 杨明
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-06-22
Filing date: 2007-06-22
Publication date: 2008-04-02
Anticipated expiration: 2017-06-22

Abstract

The utility model relates to an air and taste reversing device used between public smoke exhaust channel and household lampblack presser exhaust pipes in residential buildings, in particular to an automatic non-return wind valve used in pipe exhaust channel. The utility model comprises a valve case, a spool and a valve cap, the valve case is short pipe structure, of which the outer surface of the exhaust end is provided with an installation flange connected with the exhaust pipe, the inner surface of the inlet end is provided with a checking ring, the spool is cone-shaped and is installed in the valve case at the position below the centre line of the valve case through the checking ring, the outlet of the spool is provided with a circular valve cap which can be buckled to the outside surface of the spool by pin. The utility model overcomes the defect that it is not easy to control the taste reversing because of the exhaust pipe of the traditional lampblack pressers is provided with two opposite gate which can not completely block the smoke, and effectively solves the problem of air reversing, taste reversing and environment contamination.

Description

Pipe draining flue automatic braking air-valve

Technical field:

The utility model relates to the device that prevents inverted ventilation, anti-flavor that is installed between public smokejack in residential building building and the row of the resident family smoke extractor smoke pipe, especially a kind of pipe draining flue automatic braking air-valve.

Background technique:

At present, row's smoke extractor smoke pipe of each resident family of residential building all is communicated with public smokejack by connecting tube, and the flue gas that each family discharges in public smokejack is mixed in together, is discharged by public smokejack top smoke exhaust port again.Meanwhile, mix flue gas and also reflux, especially when external wind is big to the user who does not start row's smoke extractor, return cigarette, anti-flavor is more serious, even two valve splitting are equipped with at row's smoke extractor smoke pipe end in the resident family that has, thorough shutoff smoke pipe still, the anti-phenomenon of distinguishing the flavor of is wayward.

Summary of the invention:

The purpose of this utility model is intended to solve public smokejack by the problem of row's smoke extractor smoke pipe to the indoor time anti-flavor of cigarette, and a kind of not pipe draining flue automatic braking air-valve that can cut out automatically of its smoke pipe of time spent of smoke extractor of arranging is provided.

Realize that the technological scheme that above-mentioned purpose adopts is: a kind of pipe draining flue automatic braking air-valve, comprise valve casing, spool, valve gap, this valve casing is the short tube structure, on the pipe outer wall of its smoke evacuation end the mounting flange that is connected with gas exhaust duct is housed, on its bending tubes end inner tube wall limited ring is housed, spool is Taper Pipe shape structure, be installed in the valve casing with the position of downward bias by described limited ring from valve casing tube chamber center line, the smoke exhaust port end of this spool be equipped with this spool shell upper end by bearing pin hinged can with the circular valve gap of this oral area fastening.

The beneficial effects of the utility model are: because valve casing adopts the short tube structure, and has on it and the gas exhaust duct flange connecting, so this air-valve is installed and used very convenient.When row's smoke extractor used, flue gas blew valve gap and makes it to open under the effect of fan, and the flue gas nature enters public smokejack through smoke pipe; When row's smoke extractor time spent not, valve gap by the deadweight nature falling withholds on the spool smoke exhaust port.Valve gap and spool smoke exhaust port fasten tight, have overcome set two of traditional row's smoke extractor smoke pipe end and have split thoroughly shutoff smoke pipe of valve, and the uppity drawback of the anti-phenomenon of distinguishing the flavor of efficiently solves inverted ventilation, anti-flavor, problem of environment pollution caused.

Description of drawings:

Fig. 1 is a structural representation of the present utility model.

Embodiment:

Provide a specific embodiment of the present utility model below in conjunction with accompanying drawing:

A kind of pipe draining flue automatic braking air-valve, form by valve casing 1, valve gap 2, bearing pin 3, support ear 4, spool 5, limited ring 6, mounting flange 7, this valve casing 1 is short tube always, on the pipe outer wall of its smoke evacuation end the mounting flange 7 that is connected with gas exhaust duct is housed, on its bending tubes end inner tube wall limited ring 6 is housed, limited ring 6 can make spool 5 guarantee to install in the optimum position; This spool 5 is Taper Pipe shape structure, with the position of downward bias from valve casing 1 tube chamber center line, be installed in the valve casing 1 by its conical bottom outer rim and limited ring 6 affixed modes, spool 5 shells upper end is provided with the support ear 4 of a horizontal lordosis, the circular valve gap 2 that can fasten with the smoke exhaust port of spool 5 is hinged by bearing pin 3 and described support ear 4, and circular valve gap 2 can freely be opened around bearing pin 3.Because spool 5 center line downward biases are from valve casing 1 tube chamber center line, therefore circular valve gap 2 can be opened to maximum position, makes flue gas by spool 5 not influenced by circular valve gap 2 and unblocked.

Claims

1. pipe draining flue automatic braking air-valve, comprise valve casing, spool, valve gap, it is characterized in that valve casing is the short tube structure, on the pipe outer wall of its smoke evacuation end the mounting flange that is connected with gas exhaust duct is housed, on its bending tubes end inner tube wall limited ring is housed, spool is Taper Pipe shape structure, be installed in the valve casing with the position of downward bias by described limited ring from valve casing tube chamber center line, the smoke exhaust port end of this spool be equipped with this spool shell upper end by bearing pin hinged can with the circular valve gap of this oral area fastening.