CN203603240U

CN203603240U - Closestool sealing ring

Info

Publication number: CN203603240U
Application number: CN201320767008.1U
Authority: CN
Inventors: 宋永红
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-11-29
Filing date: 2013-11-29
Publication date: 2014-05-21
Anticipated expiration: 2023-11-29

Abstract

The utility model discloses a closestool sealing ring. The closestool sealing ring is arranged between a closestool sewage draining exit and a sewage draining pipe on the ground and provided with a round ring body made of a highly-elastic rubber material. A bent upper surface matched with the bottom surface of a closestool is formed on the top of the round ring body, a lower surface matched with the ground is formed on the bottom of the round ring body, and an annular vertically-through cavity is formed in the middle of the round ring body. An extension portion protruding out downwards is formed around the annular cavity integrally and can extend into the sewage draining pipe. A sealing flange is formed on the outer side of the bottom of the extension portion and can form seal fit with the inner wall of the sewage draining pipe.

Description

A kind of toilet gasket

Technical field

The utility model relates to the sealing device of toilet, refers in particular to a kind of toilet gasket, the sealed against leakage after docking with blow-off pipe for toilet bowl sewage draining mouth.

Background technology

Toilet gasket is arranged on toilet pan sewage draining exit, after docking, water and gas is carried out to sealed against leakage, deodorization with the lower water blow-off pipe of being located at ground.Traditional sealing ring is to adopt wax circle (or greasy filth) to make, because wax circle (or greasy filth) does not have elasticity, can not elastic deformation install, in installation process, may produce excessive deformation and cause seal break-off, and be not easy to install adjust, when toilet needs mobile, must be manually by the destructive removal of sealing ring of wax circle (or greasy filth) system on toilet base sewage draining exit and blow-off pipe when changing or keeping in repair, cannot reuse again, in addition because the physical characteristic of the material of wax circle (or greasy filth) own makes conventional seals circle easily because aging hardening cracking causes sewage and stink from leakage, application life is short.

For solving the defect of wax circle, in US4482161, disclose a kind of toilet rubber seal, the top and bottom of torus sealing ring respectively with toilet bottom surface and be arranged on ground sewage draining exit flange end face form sealing, the bottom of this torus sealing ring is protruding with extension, this extension stretches into flange opening, forms location; In US6694537 B2, disclosed a kind of toilet foamed plastic sealing ring, the top and bottom of torus sealing ring form sealing with toilet bottom surface and ground respectively; For another example a kind of toilet water-proof elastic body sealing ring (shown in Figure 8) that US6691331B2 discloses, the top and bottom of this torus sealing ring respectively with toilet bottom surface and be arranged on ground sewage draining exit flange end face form sealing, bottom at this torus sealing ring is protruding with extension, this extension stretches into flange opening, forms location at oral area.Above technology has all further been improved wax circle seal defect, but does not all become desirable, and especially, in the time that reply sewage draining exit does not arrange flange and end-of-the-pipe and ground and has just, above technology all can not realize positiver sealing.

The utility model improves for the upper deficiency existing of above-mentioned sealing ring application, and this case produces thus.

Utility model content

The purpose of this utility model be to provide a kind of good airproof performance, easily install and reusable toilet gasket.

For reaching above-mentioned purpose, the technical solution of the utility model is: a kind of toilet gasket, be arranged between toilet bowl sewage draining mouth and the blow-off pipe on ground, there is a torus, this torus adopts elastomeric to make, the upper surface coordinating with toilet bottom surface is formed on this toric top, the soffit coordinating with ground is formed on bottom, middle part is provided with the annular chamber of upper and lower transmission, be integrally formed the extension of downward protrusion around this annular chamber, extension can stretch in blow-off pipe, the bottom outside of this extension forms sealing flange, utilizing sealing flange and blow-off pipe inwall to form is sealed and matched.

Between the outer wall of described torus extension and the inwall of blow-off pipe, form conformal cavity.

The bottom of described torus extension is made as to the horn mouth extending out, and described sealing flange is molded over this bell-mouthed outside naturally.

Described torus annular chamber is the inclined-plane that its inwall of taper is inside gradually closing, for being sealed and matched with toilet bowl sewage draining mouth lateral wall.

Further, described toric bottom is also provided with the annular groove of stepping down.

Described sealing flange has curved surfaces.

Adopt said structure, the utility model is sealed and matched by sealing flange and the formation of blow-off pipe inwall of torus extension bottom outside, in toilet bowl sewage draining mouth is inserted toric annular chamber, form in the process of crush seal also to force sealing flange to extend out simultaneously, more firm with the sealing of blow-off pipe inwall, effective lift-off seal effect of this double sealing structure of the utility model, can realize permanent leakproof deodorization, and easily install, in addition because adopting elastomeric, the utility model is made into integration, repeated disassembled and assembled is not fragile, reusable.

Accompanying drawing explanation

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

Fig. 2,2A are another structural representation of the present utility model and sectional view;

Fig. 3 be Fig. 2 top view;

Fig. 4 is that schematic diagram is implemented in combination of the present utility model;

Fig. 5 is another structural representation of the utility model;

Fig. 6 is another structure sectional view of the utility model;

Fig. 7 is that another textural association of the utility model is implemented schematic diagram;

Fig. 8 is a kind of structural representation of existing toilet gasket.

The specific embodiment

Below in conjunction with accompanying drawing and concrete enforcement, the utility model is elaborated.

As shown in Figures 1 to 4, for a kind of toilet gasket of the present utility model, be arranged between the blow-off pipe B on toilet bowl sewage draining mouth A and ground, there is a torus 1, this torus 1 adopts elastomeric to make, the bending upper surface 11 coordinating with toilet bottom surface is formed on the top of this torus 1, the soffit 12 coordinating with ground is formed on the bottom of torus 1, middle part is provided with the annular chamber 13 of upper and lower transmission, this annular chamber 13 is the inclined-plane that its inwall of taper is inside gradually closing, for forming and be sealed and matched with the lateral wall of toilet bowl sewage draining mouth A, be integrally formed the extension 14 of downward protrusion around this annular chamber 13, this extension 14 can stretch in blow-off pipe B, the utility model specifically bottom outside of this extension 14 forms sealing flange 15 around circumference, sealing flange 15 can arrange one or more, specifically implement not as limit, the surface of sealing flange 15 is arc, utilize sealing flange 15 to form and coordinate closely with blow-off pipe B inwall, also have positioning action to prevent that extension 14 is at blow-off pipe B radial-play simultaneously.Further, the bottom of this extension 14 can be made as to the horn mouth 141 extending out, sealing flange 15 is molded over the outside of this horn mouth 14 naturally, in addition, between the inwall of the outer wall of this extension 14 and blow-off pipe B, form conformal cavity 16, by adjustable its deflection of this conformal cavity 16, make the toilet bowl sewage draining mouth A of the annular chamber 13 applicable plurality of specifications of the utility model sealing ring;

When installation, the extension of toilet gasket 14 is stretched in blow-off pipe B, utilize the sealing flange 15 of extension 14 bottom outside to form and be sealed and matched with blow-off pipe B inwall, when toilet bowl sewage draining mouth A inserts toric annular chamber 13 when interior, the lateral wall of the inwall of this annular chamber 13 and toilet bowl sewage draining mouth A forms crush seal, its squeezing action extends out the sealing flange 15 of extension 14 bottom outside simultaneously, more firm with the sealing of blow-off pipe B inwall, after toilet is installed, the upper surface 11 of torus 1 forms compression seal with the bottom surface of toilet, soffit 12 forms compression seal with ground.

The utility model is further, as shown in Fig. 5,6,7, the bottom of this torus 1 is also provided with the annular groove 17 of stepping down, its effect is in the time of blow-off pipe B certain altitude above ground level (≤10mm), can make blow-off pipe B be contained in and step down in annular groove 17, not affect installation and the sealing of toilet, use the construction requirement that reduces blow-off pipe, be easy to the installation of toilet, also can further strengthen sealing effectiveness.

Adopt said structure, the utility model compared with prior art has following features: the utility model is sealed and matched by sealing flange and the formation of blow-off pipe inwall of extension bottom outside, in inserting the process that forms crush seal in torus annular chamber, toilet bowl sewage draining mouth A also can force sealing flange to extend out simultaneously, more firm with the sealing of blow-off pipe B inwall, the effective lift-off seal effect of structure of this double containment of the utility model, can realize permanent leakproof deodorization, and easily install, overcome the easy hardening cracking of conventional waxes circle (or greasy filth) sealing ring, leak dirty leakage smelly, be difficult for the shortcoming of installing.In addition make because the utility model adopts elastomeric, repeated disassembled and assembled is not fragile, reusable.

Claims

1. a toilet gasket, be arranged between toilet bowl sewage draining mouth and the blow-off pipe on ground, there is a torus, this torus adopts elastomeric to make, the bending upper surface coordinating with toilet bottom surface is formed on this toric top, the soffit coordinating with ground is formed on bottom, middle part is provided with the annular chamber of upper and lower transmission, be integrally formed the extension of downward protrusion around this annular chamber, extension can stretch in blow-off pipe, it is characterized in that: the bottom outside of this extension forms sealing flange, utilize sealing flange and blow-off pipe inwall to form and be sealed and matched.

2. a kind of toilet gasket as claimed in claim 1, is characterized in that: between the outer wall of described torus extension and the inwall of blow-off pipe, form conformal cavity.

3. a kind of toilet gasket as claimed in claim 1, is characterized in that: the bottom of described torus extension is made as to the horn mouth extending out, and described sealing flange is molded over this bell-mouthed outside naturally.

4. a kind of toilet gasket as claimed in claim 1, is characterized in that: described torus annular chamber is the inclined-plane that its inwall of taper is inside gradually closing, for being sealed and matched with toilet bowl sewage draining mouth lateral wall.

5. a kind of toilet gasket as claimed in claim 1, is characterized in that: further, described toric bottom is also provided with the annular groove of stepping down.

6. a kind of toilet gasket as claimed in claim 1, is characterized in that: described sealing flange has curved surfaces.