CN201151938Y

CN201151938Y - Double sealing floor drain

Info

Publication number: CN201151938Y
Application number: CNU200720190494XU
Authority: CN
Inventors: 李润凡
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-11-30
Filing date: 2007-11-30
Publication date: 2008-11-19
Anticipated expiration: 2017-11-30

Abstract

The utility model discloses a double-seal floor drain which comprises a cover plate, a casing and a drain core. The cover plate is buckled at the top of the casing and provided with drain holes. The drain core consists of an upper sleeve section and a lower water sealing bowl. The lower end of the sleeve is inserted into the water sealing bowl to form a water sealing structure. The drain core is inserted inside the casing and also can be detached by the upper sleeve section, and the outer edge of the upper sleeve section of the drain core is in airtight connection with the internal wall of the casing. The inner cavity of the casing is the ladder shape structure with big top and small bottom. The inner wall of the casing under the drain core is provided with a normally-closed mechanical seal door which can open automatically under the action of water current gravity. The lower end of the casing is a connecting end which is connected with a downcomer. The double-seal floor drain has simple structure and good tightness, can effectively prevent the smell inside a water pipe from spreading upwards and can prevent sewage from entering into the room through the downcomer when the downcomer is jammed, and the drain core can be taken out easily and is easy for cleaning, thereby preventing sundries from jamming the pipeline.

Description

Dual-seal floor drain

Technical field

The utility model relates to a kind of floor drain, particularly a kind of floor drain with double seal function.

Background technology

Traditional floor drain generally exists sealing poor, easily the shortcoming of anti-flavor.Traditional being sealed in is equipped with drop front on the housing, have drain hole on the panel, and groove is set in the housing, and the hemispherical crown cap is buckled in the groove, by water in groove, stop the foul smell of sewer overflow with sewer in the insect inlet chamber in.But there is defective in this structure, thereby the hair in the sewage is difficult to remove the outfall down of obstruction easily in floor drain; And its sealing effectiveness is bad, and particularly when sewer pipe stopped up, this floor drain can't prevent that sewage from passing through in the sewer pipe inlet chamber.I had once designed a kind of modified floor drain (China Patent No.: 200620007765.9) of good airproof performance at this problem, adopt static magnet, moving magnet and the control link that can stretch up and down along sleeve, but this sealing means structure is too complicated, uses restriction to some extent.

The utility model content

At the deficiencies in the prior art, the purpose of this utility model just provides a kind of simple in structure, easy to use, good airproof performance and removes the dual-seal floor drain of foreign material such as hair in the floor drain easily.

For achieving the above object, a kind of dual-seal floor drain of the utility model comprises cover plate, housing and leakage core; Described cover plate spiral-lock is in the housing upper end, and cover plate is provided with small opening; Described leakage core is made of upper sleeve section and bottom water seal bowl, and the sleeve sections lower end is stretched in the water seal bowl, constitutes sealing structure for water, and leak core and detachably be inserted in the housing by its upper sleeve section, and airtight joining between its upper sleeve section outer rim and the inner walls; Described housing inner chamber is up big and down small step structure, and the inner walls of described leakage core below is provided with normally closed mechanical sealing door, and the sealing door can be opened under the current action of gravity automatically, and the housing lower end is the link that links to each other with sewer pipe.

Further, be provided with support in the upper sleeve section of described leakage core, described water seal bowl is the cylindric of upper end open, its bottom centre place protrudes upward an axle shape bar, this shape bar is inserted in the centre bore set on the interior support of sleeve sections, and the water seal bowl is connected with the upper sleeve section.

Further, described housing lower end is a double braid covering tubular structure, and ring cavity and the sewer pipe joint that connects in succession to be inserted folded between the two-layer sleeve are complementary.

Further, described housing is made of an enclosure body and a Height Adjustment tube, the Height Adjustment tube slidably is inserted into the enclosure body upper end, and described leakage core is inserted in the Height Adjustment tube, and inboard, Height Adjustment tube lower end is provided with the annular boss that can prevent that the leak-stopping core skids off downwards.

Further, described hermatic door is a sleeve-like configuration independently, and by sleeve be positioned at sealing up a door of sleeve lower end and constitute, the sealing door is inserted in the housing equally, and airtight joining between its sleeve outer rim and the inner walls.

Further, the block structure of attaching most importance to of sealing up a door in the described hermatic door, seal up a door the middle part with hermatic door in sleeve be articulated and connected, be positioned at the sealing surface that the part of hinge inboard matches for the sleeve lower surface on sealing up a door, the part that is positioned at the hinge outside on sealing up a door is a pouring weight, and this pouring weight acts on the power that makes its automatic sealing sleeve on sealing up a door.

Further, on the middle part external surface of described housing near its upper end, the convex annular dish that the waterproofing course when also being provided with a confession with finishing joins.

Simple in structure, the good airproof performance of a kind of dual-seal floor drain of the utility model, the smell that can effectively block in the water pipe is upwards propagated, particularly when sewer pipe stops up, can prevent that sewage from passing through in the sewer pipe inlet chamber, and leak core and take out easily, be easy to clean, prevented the foreign material blocking pipe.

Description of drawings

Accompanying drawing is the structural representation of the utility model dual-seal floor drain.

The specific embodiment

As shown in drawings, the floor drain that provides of present embodiment comprises housing, leaks core and cover plate.

Housing is made of an enclosure body 1 and a Height Adjustment tube 2, and Height Adjustment tube 2 is inserted in the upper port of enclosure body 1, and enclosure body 1 moves up and down relatively, has annular boss 21 on the Height Adjustment tube 2 lower end inner surfaces.Cover plate 3 spiral-locks are in the upper end of Height Adjustment tube 2, cover plate 3 is made up of securing cover plate 31 and removable cover 32, in the hole that removable cover 32 spiral-locks are provided with on securing cover plate 31, it is provided with small opening 33, when carrying out ground surface finishing, securing cover plate 31 and ground surface finishing layer flush attachment are opened removable cover 32 and can be overhauled floor drain.

Enclosure body 1 is a cylindrical shape, and its inner chamber is up big and down small step structure, and its lower end is used for being tightly connected with sewer pipe.On the middle part external surface of enclosure body 1, a convex annular dish 11 is set near its upper end, protruding dish 11 upper surfaces are provided with cannelure 12, behind the cannelure 12 that convex annular dish 11 and surface thereof are set on enclosure body 1 external surface, when carrying out ground surface finishing, waterproofing course can be covered on protruding dish 11 and the cannelure 12, make contacting of realization face and face between enclosure body 1 and the waterproofing course, only carry out line between the waterproofing course and floor drain housing outer surface in the past and contact the problem that existing sealing is poor, waterproof effect is not good thereby overcome.Enclosure body 1 lower end is a double braid covering tubular structure, the specification of folded ring cavity 13 and sewer pipe (not shown) joint to be connected are complementary between the two-layer sleeve, during use, only need the sewer pipe joint is inserted ring cavity 12 interior getting final product, so both located accurately, and made installation simple and reliable again.

Leaking core 4 is made of upper sleeve section 41 and bottom water seal bowl 42.The upper port place of sleeve sections 41 is provided with the link 43 of two projectioies, has annular boss 44 on the external surface near its upper end, is provided with support in the sleeve sections 41, and this support is made of several radial support gussets 45 and a cylindrical central sleeve 46.Water seal bowl 42 is the cylindric of upper end open, and its bottom centre place protrudes upward an axle shape bar 47, and bar 47 upper ends are inserted in the cylindrical central sleeve 46, and water seal bowl 42 is connected with upper sleeve section 41.Upper sleeve section 41 is with after water seal bowl 42 is connected, and suitably distances are stretched in the water seal bowl 42 in the lower end of sleeve sections 41, thereby making that sleeve sections 41 and water seal bowl 42 are common constitutes sealing structure for water.Leaking core 4 is inserted in the Height Adjustment tube 2 by its upper sleeve section 41, and be supported on by the annular boss on the sleeve sections 41 44 on the annular boss 21 of Height Adjustment tube 2 lower ends, between sleeve sections 41 external surfaces and Height Adjustment tube 2 inwalls, also be provided with sealing ring 48, leaking the good airtight effect of realization between core 4 and the Height Adjustment tube 2 like this.When needs clean floor drain, can open removable cover 32, utilize and hook link 43, will leak core 4 and in Height Adjustment tube 2, take out, also can directly on link 43, handle be set, utilize handle to take out Lou core 4.

The bottom is provided with the mechanical sealing door 5 of an absolute construction in the enclosure body 1, sealing door 5 is a sleeve-like configuration, seal up a door by

sleeve

51,52 and to constitute, seal up a door and 52 be hinged on sleeve 51 lower ends by jointed shaft 54, seal up a door and 52 be positioned at the sealing surfaces of the inboard part of jointed shaft 54 for matching with sleeve 51 lower surfaces, 52 parts that are positioned at jointed shaft 54 outsides of sealing up a door are provided with pouring weight 55, make to seal up a door by pouring weight 55 52 to be in normally off automatically.Hermatic door 5 is inserted in the enclosure body 1, and the annular boss 56 that is provided with on its sleeve 51 upper end external surfaces is supported on the annular boss 14 that is provided with on enclosure body 1 lower inner wall, clamping has sealing ring 53 between annular boss 56 and the annular boss 14, makes between sleeve 51 and enclosure body 1 inwall by sealing circle 53 and realizes being tightly connected.

During use, having under the situation of current, the current of letting out down from water seal bowl 42 overcome the power of pouring weight 55, will seal up a door 52 to open, and carry out draining, under the situation of the stream that sluices down, do not seal up a door 52 under the effect of pouring weight 55, automatically with sleeve 51 lower end closed.

In actual applications, because underground water pipe top is difficult to accomplish in full accord to the distance on blank ground and the thickness of ground surface finishing layer, thereby after being inserted into floor drain in the blank hole of ground and joining with sewer pipe, can be by regulating the insertion depth of Height Adjustment tube 2 in enclosure body 1, the upper surface of Height Adjustment tube 2 upper end cover plates 3 and the ground behind the finishing are consistent, thereby make things convenient for installing and fixing of floor drain.

Claims

1, a kind of dual-seal floor drain, this floor drain comprise cover plate, housing and leakage core; Described cover plate spiral-lock is in the housing upper end, and cover plate is provided with small opening; It is characterized in that, described leakage core is made of upper sleeve section and bottom water seal bowl, and the sleeve sections lower end is stretched in the water seal bowl, constitutes sealing structure for water, leak core and detachably be inserted in the housing by its upper sleeve section, and airtight joining between its upper sleeve section outer rim and the inner walls; Described housing inner chamber is up big and down small step structure, and the inner walls of described leakage core below is provided with normally closed mechanical sealing door, and the sealing door can be opened under the current action of gravity automatically, and the housing lower end is the link that links to each other with sewer pipe.

2, dual-seal floor drain as claimed in claim 1, it is characterized in that, be provided with support in the upper sleeve section of described leakage core, described water seal bowl is the cylindric of upper end open, its bottom centre place protrudes upward an axle shape bar, this shape bar is inserted in the centre bore set on the interior support of sleeve sections, and the water seal bowl is connected with the upper sleeve section.

3, dual-seal floor drain as claimed in claim 1 is characterized in that, described housing lower end is a double braid covering tubular structure, and ring cavity and the sewer pipe joint that connects in succession to be inserted folded between the two-layer sleeve are complementary.

4, dual-seal floor drain as claimed in claim 1, it is characterized in that, described housing is made of an enclosure body and a Height Adjustment tube, the Height Adjustment tube slidably is inserted into the enclosure body upper end, described leakage core is inserted in the Height Adjustment tube, and inboard, Height Adjustment tube lower end is provided with the annular boss that can prevent that the leak-stopping core skids off downwards.

5, dual-seal floor drain as claimed in claim 1, it is characterized in that described hermatic door is a sleeve-like configuration independently, by sleeve be positioned at sealing up a door of sleeve lower end and constitute, the sealing door is inserted in the housing equally, and airtight joining between its sleeve outer rim and the inner walls.

6, dual-seal floor drain as claimed in claim 5, it is characterized in that, the block structure of attaching most importance to of sealing up a door in the described hermatic door, seal up a door the middle part with hermatic door in sleeve be articulated and connected, be positioned at the sealing surface that the part of hinge inboard matches for the sleeve lower surface on sealing up a door, the part that is positioned at the hinge outside on sealing up a door is a pouring weight, and this pouring weight acts on the power that makes its automatic sealing sleeve on sealing up a door.

7, dual-seal floor drain as claimed in claim 1 is characterized in that, on the middle part external surface of described housing near its upper end, and the convex annular dish that the waterproofing course when also being provided with a confession with finishing joins.