CN101787743A

CN101787743A - Ventilation plug

Info

Publication number: CN101787743A
Application number: CN 201010113605
Authority: CN
Inventors: 周松桂
Original assignee: ANHUI PROVINCE GENYUAN GUANGDA ENERGY-SAVING BUILDING MATERIALS Co Ltd
Current assignee: Jiaxing Building New Materials Technology Co., Ltd.
Priority date: 2010-02-10
Filing date: 2010-02-10
Publication date: 2010-07-28
Anticipated expiration: 2030-02-10
Also published as: CN101787743B

Abstract

The invention relates to a ventilation device, in particular to a ventilation pug for guiding and discharging gas between an external wall thermal insulating decoration board and the outer wall of a building. The ventilation plug has convenient installation and simple structure and can effectively prevent external rain from entering a plug chamber. The ventilation plug adopts the following technical scheme that: the ventilation plug comprises a barrel-shaped shell, wherein a pin extending forwards is arranged at the front end of the barrel-shaped shell; a through hole distributed in the fore-and-aft direction is formed in the shell and the upper side of a tail end orifice of the through hole is provided with a cover edge; or a through hole distributed in the fore-and-aft direction is formed in the shell and the height of a tail end orifice of the through hole is lower than that of the front end of the through hole; the wet gas between the wall and the external wall thermal insulating decoration board can be conveniently discharged by utilizing the device; and through the scheme that the height of the tail end orifice of the through hole is lower than that of the front end of the through hole or the upper side of the tail end orifice of the through hole is provided with the cover edge, the rain is simply and effectively prevented from entering.

Description

Breather plug

Technical field

The present invention relates to air-breather, specifically is exactly the breather plug that is used to guide and discharge gas between outer wall heat insulating and decorating plate and the skin.

Background technology

Consideration based on energy-saving and environmental protection, the skin insulation and decoration is handled very general at present, concrete scheme is exactly outside the building on the wall outer wall heat insulating and decorating plate to be set, after construction finishes, big water gaging and moisture have outside the building been accumulated between wall heat insulation decoration plate and the body of wall, because the temperature four seasons have nothing in common with each other, form a large amount of gases behind above-mentioned big water gaging and the moisture evaporation, gas has a negative impact to the link of heat insulating decorative board and body of wall or the reliability at position, has a strong impact on the physical life of heat insulating decorative board.In order to address the above problem, Chinese patent literature CN2775194Y relates to a kind of name and is called " by the exterior wall cladding of plate seam connector connection ", this technical scheme is the vertical ventilation space 4 that forms by between special layout board seam connector 2 and the exterior wall cladding 1, the through hole 1-1 that arranges that aligns of being parallel to each other in ventilation space 4 and the exterior wall cladding 1 is communicated with, and the joint of exterior wall cladding 1 end also is positioned at the outside that plate stitches connector 2 and is filled with waterproof and sealing material 3.Painstakingly process through hole 1-1 in the exterior wall cladding 1 in the such scheme, its difficulty of processing increasing cost raising and the gas that is unprofitable between exterior wall cladding 1 and the body of wall are discharged, waterproof and sealing material 3 is filled in the outside of plate seam connector 2 in addition, so a large amount of gas is appointed and so is closed between exterior wall cladding 1 and the body of wall, so promptly may cause the damage of exterior wall cladding 1 spontaneous structure, also may damage being connected between exterior wall cladding 1 and the body of wall and bring out potential safety hazards such as wall link plate 1 drops.

Summary of the invention

The purpose of this invention is to provide a kind of easy for installation, simple in structure and can effectively avoid outside rainwater to enter the breather plug of plug in the chamber.

The technical scheme that realizes the foregoing invention purpose is as follows, the first: a kind of breather plug, comprise the housing of barrel tubulose, and barrel front end is provided with the pin that forwards extends, and enclosure interior is the through hole that fore-and-aft direction is arranged, and the top in the tail end aperture of through hole is provided with the cover edge.

It two is: a kind of breather plug, comprise the housing of barrel tubulose, and barrel front end is provided with the pin that forwards extends, and enclosure interior is the through hole that fore-and-aft direction is arranged, and the tail end aperture of through hole is lower than the height of its front end.

In the technique scheme, the enclosure interior of bucket tubulose is set to the through hole and the tail end aperture of fore-and-aft direction layout and can passes through by air feed stream, the pin that barrel front end is forwards extended along tube wall is convenient to mix in the fluid sealant that is provided with between the plate seam, realized being connected and fixed of breather plug and plate seam place so easily, the moisture between body of wall and the outer wall heat insulating and decorating plate can be discharged easily.Enter in the plug for fear of open-air rainwater among the present invention, or the top of taking the tail end aperture of through hole to be lower than the tail end aperture of the height of its front end or through hole is provided with the scheme on cover edge, these two kinds of basic schemes all simply and have effectively overcome rainwater and have entered.

Description of drawings

Fig. 1, the 2nd, the structural representation of first kind of basic structure form of the present invention;

Fig. 3 is the A-A sectional view among Fig. 1;

Fig. 4 is the right view of Fig. 1;

Fig. 5, the 6th, the structural representation of second kind of basic structure form of the present invention.

The specific embodiment

One of basic function that will guarantee for breather plug will guarantee convenient the installation and ventilation exactly, the scheme that is adopted is the housing 10 that breather plug comprises barrel tubulose, cylindrical shell 10 front ends are provided with the pin 20 that forwards extends, housing 10 inner through holes 11 for the fore-and-aft direction layout; Two of basic function will avoid rainwater by being back between body of wall and the outer wall heat insulating and decorating plate exactly, and the basic scheme that is adopted has two, and the top in the tail end aperture 12 of first through hole 11 is provided with cover along 13; It two is height that the tail end aperture 12 of through hole 11 is lower than its front end.By the cover edge being set on tail end aperture 12 or tail end aperture 12 being arranged to oblique downward form, all can avoid rainwater to reflux, guarantee between body of wall and the outer wall heat insulating and decorating plate dry.

Elaborate below in conjunction with the technical characterictic of accompanying drawing to breather plug.

The mode that tail end aperture 12 is arranged has several citation forms, in Fig. 1,2,3, tail end aperture 12 can be horizontal direction or oblique downward layout, and its top is provided with the afterbody cover along 13, along under 13 the effect of blocking, rainwater just can not flow in the through hole 11 at the afterbody cover; Moreover as Fig. 5, shown in Figure 6, the mode of oblique downward layout is directly adopted in tail end aperture 12, because tail end aperture 12 is the pipelines with certain-length, so rainwater also is to be difficult to flow in the through hole 11 and to enter between body of wall and the outer wall heat insulating and decorating plate.In above-mentioned structure shown in Figure 1, it is thinner that tail end aperture 12 place bottom wall thickness can be processed, material saving; In structure shown in Figure 2, straight hole is directly offered in tail end aperture 12, processes more convenient; Fig. 5, form shown in Figure 6, its structure is more simple.

For the ease of the installation of breather plug, therefore the cross section of described housing 10 is set to square, and pin 20 is arranged on the tube wall in four bights, and the peripheral thickness of pin 20 is less than the diameter of housing 10.During installation, breather plug can be arranged in the square location that the bight of four adjacent outer wall heat insulating and decorating plates surrounds, such breather plug can between take into account the gas discharging at four outer wall heat insulating and decorating plate places, square casing also helps when installing and is used to be affectedly bashful.Stab out an aperture with screwdriver on fluid sealant during installation, the pin 20 that will scribble the breather plug of fluid sealant then all around directly inserts in the sky and gets final product.

For the middle position place and the aperture that cooperate described through hole 11 to be positioned at housing 10 is square, make housing that uniform wall thickness is arranged like this, be convenient to weight reduction, economize in raw materials.The cross section in tail end aperture 12 is a rectangle, long limit more preferably greater than or equal the length of side of through hole 11, be beneficial to moisture to external diffusion, tail end aperture 12 is passed housing 10 tail ends and is stretched out from the base of through hole 11, the peristoma in tail end aperture 12 is positioned at the position on the lower side of the diapire of housing 10 like this, be convenient to discern the installation site during installation, in order to avoid the aperture dress is wrong.

The cross section of described pin 20 surrounds and forms by being positioned at acutangulate two medial surfaces 21 of inboard angle and being positioned at outer arc face 22, pin 20 adopts such scheme can guarantee to install stable, simultaneously helping air-flow again enters in the through hole 11, the front end position of the outer arc face 22 of described pin 20 is provided with non-return protuberance 23, because pin 20 is to be arranged on housing 10 front ends with suspending shape, the fluid sealant constraint down around, pin 20 has Flexible Reset deformation tendency towards periphery, add the acting in conjunction of non-return protuberance 23, breather plug just can be fixed on the installation position reliably.

Claims

1. breather plug, it is characterized in that: the housing (10) that comprises barrel tubulose, cylindrical shell (10) front end is provided with the pin (20) that forwards extends, the inner through hole (11) of housing (10) for the fore-and-aft direction layout, and the top in the tail end aperture (12) of through hole (11) is provided with cover along (13).

2. breather plug according to claim 1 is characterized in that: tail end aperture (12) oblique downward layout.

3. breather plug according to claim 1 is characterized in that: the cross section of described housing (10) is square, and pin (20) is arranged on the tube wall in four bights, and the outer peripheral areas of pin (20) is less than the zone of housing (10).

4. according to claim 1 or 2 or 3 described breather plugs, it is characterized in that: place, middle position and aperture that described through hole (11) is positioned at housing (10) are square, the cross section in tail end aperture (12) is a rectangle, the length of side of long limit and through hole (11) is coincide, and tail end aperture (12) are passed housing (10) tail end and stretched out from the base of through hole (11).

5. breather plug according to claim 3, it is characterized in that: the cross section of described pin (20) by be positioned at inboard acutangulate two medial surfaces of angle (21) and be positioned at outside circular arc and (22) surround and form, the front end position of the outer arc face (22) of described pin (20) is provided with non-return protuberance (23).

6. breather plug, it is characterized in that: the housing (10) that comprises barrel tubulose, cylindrical shell (10) front end is provided with the pin (20) that forwards extends, the inner through hole (11) of housing (10) for the fore-and-aft direction layout, and the tail end aperture (12) of through hole (11) is lower than the height of its front end.

7. breather plug according to claim 6, it is characterized in that: described housing (10) is for square, place, middle position and aperture that described through hole (11) is positioned at housing (10) are square, the cross section in tail end aperture (12) is a rectangle, the length of side of long limit and through hole (11) is coincide, and tail end aperture (12) are passed housing (10) tail end and stretched out from the base of through hole (11).