CN2421339Y

CN2421339Y - Floor drain with check valve

Info

Publication number: CN2421339Y
Application number: CN 00211844
Authority: CN
Inventors: 李玉芹; 何艳凤
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-05-16
Filing date: 2000-05-16
Publication date: 2001-02-28
Anticipated expiration: 2010-05-16

Abstract

The utility model discloses a floor drain with a check valve. The utility model comprises a pipe seat and a cover body. The utility model is characterized in that the pipe seat is only composed of a reducer pipe; the cover body is a grate-shaped component, and is in detachably fixed connection with the upper end of the pipe seat; the interior of the pipe seat on the lower part of the cover body is provided with a check valve which is composed of a valve shell and a valve cover; the check valve has the reverse blocking function. Compared with the prior art, the utility model has the advantages that the gas and the liquid of the drainage facilities are blocked to reversely return the ground, etc.

Description

A kind of only floor drain of valve that has back

The utility model relates to a kind of floor drain, exactly is a kind of only floor drain of valve that has back.

Floor drain is used very general as a kind of constructure ground dewatering installation, existing floor drain mainly is made up of base and lid.Base is made of one section body and the pedestal that is arranged in the body, and body is that a upper tubular section diameter is bigger, the reducer pipe that the lower tubular section diameter is less; Base is made of the annular convex that is arranged on the inside wall of upper tubular section lower end, and makes the annular groove that the formation opening makes progress between this convex body and the described inside wall; Lid is made of a hollow ball nullisomic, is shaped on several notches on its planar ends end perisporium.When use installing, the base lower end be embedded in sewer pipe underground and that is communicated with sewer on connection, the lid activity is placed on the pedestal in the pipeline section inner chamber, and to make its lower end be that planar ends and described annular groove are interlockingly connected.The subject matter that this floor drain in use exists is: 1, can not form reverse packing, gas under promptly can not stoping in the drainage facility, back ground such as liquid, for example, gas with foreign flavor in the sewer and toxic gas, the mosquito that colonizes in the base chamber all can pass through in the ground leak inlet chamber, and particularly when the channel jam between sewer pipe and the sewer, underground sewage just can overflow ground through the ground leak, thereby cause environment pollution, make troubles to daily life; 2, deposit dirt in the pedestal annular groove of base, the time one is long rotten smelly, also pollutes the environment.

The purpose of this utility model is for people provide a kind of only floor drain of valve that has back, so that overcome

The deficiencies in the prior art.

The purpose of this utility model is achieved in that it comprises base, lid, is characterized in that base is only bigger by the upper tubular section diameter, and the less reducing body of lower tubular section diameter constitutes; Lid is one and has leaking hole and can form the member that blocks to the pore of upper tubular section and constitute, it and this pipeline section is removable is fixedly connected; In the described upper tubular section inner chamber of lid bottom, be provided with by what valve casing, valve plate were formed and return only valve, valve casing is an abnormity bowl body member, one side bowl body is recessed to the inside from the rim of a bowl bottom, upper end, recessed position bowl wall medial extremity is not higher than its outboard end, be shaped on one on this position inside wall and be convenient to the spout hole that liquid flows out in bowl body, the angle between this plane, place, aperture, spout hole outer end and the plane, the rim of a bowl place is spent less than 90 greater than 45 degree; Described valve plate and spout hole top bowl body are hinged and under its self-gravity action overfall is formed capping; Return ending the bowl mouth end cylindrical of valve by described bowl of body connects with the removable sealing of inboard tube wall circumference of upper tubular section.

Above-mentioned lid is made of annular plate body and one section body, and this body lower end connects with annular plate body endoporus sealing and fixing, and this lid connects with the upper end inner hole thread of described upper tubular section by the external circle of its annular slab.

Above-mentioned lid is made of the flat circle plate body of an operator structure, and it connects with the upper end inner hole thread of described upper tubular section by its cylindrical.

Above-mentioned plectane body is formed by an annular plate body with the removable tegillum body that connects of its endoporus, and makes the diameter of bore of annular plate body be slightly larger than washing machine, drier gutter diameter.

After realizing, the utility model compared with prior art has the following advantages: 1,, thereby can stop gas in the drainage facility down effectively, liquid back ground because it is provided with and has preferably oppositely returning of packing performance and end valve.Like this, peculiar smell in the sewer and toxic gas, colonize in mosquito in sewer pipe and the floor drain base just can not inlet chamber in, especially during the channel jam between sewer pipe and sewer, increase along with sewer pipe and floor drain base intracavity liquid pressure, returning the valve that ends valve can more closely amplexiform on valve casing spout hole outer face, thereby overfall is formed sealing fully, and then avoid sewage outflow; 2, owing in its base pedestal is not set.So avoid impurity, dirt deposition, eliminate sources of odor.

Below in conjunction with accompanying drawing embodiment of the present utility model is done explanation in further detail.

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

Fig. 2 is the attached view of Fig. 1.

Fig. 3 is back the only structural representation of valve.

Fig. 4 is the another kind of form of structure schematic diagram of lid.

As seen from the figure, the utility model by base 7, lid 10, return and end valve 11 and form.

Base 7 is bigger by the upper tubular section diameter, and the less reducer pipe of lower tubular section diameter constitutes, and is shaped on circle in two up big and down small seams in its upper end endoporus, wherein, is shaped on screw thread on the circumference of circle in the seam of top, and circle is unthreaded hole in the seam of bottom.

Lid 10 is one and has leaking hole and can form the member that blocks to the upper tubular section endoporus of base and constitute, it and this removable being fixedly connected in pipeline section body upper end.Provided the lid of two kinds of form of structure in the present embodiment.As shown in Figure 1 a kind of, it is made of the plane plectane of operator shape structure, this plectane body is made up of annular plate body 5 that has some axially extending bores 1 and the circular tegillum body 4 that has through hole 8, wherein be shaped on and be arranged on the external screw thread that the described top seam internal thread in the base endoporus matches on the cylindrical of annular plate body, and make its diameter of bore be slightly larger than washing machine, drier gutter diameter, so that this gutter inserts draining.During assembling, annular plate body 5 connects with base upper end inner hole thread, and tegillum body 4 is movably arranged in the seam of annular plate body upper end, makes both form removable connection; The another kind of form of structure of lid as shown in Figure 4, it is made up of annular plate body 15 and one section body 14, be shaped on and be arranged on the external screw thread that the described top seam screw thread in the base endoporus matches on the cylindrical of annular plate body, body 14 lower ends connect with annular plate body endoporus sealing and fixing, this connecting mode can be welding, thread connection, also can directly both be made one.During installation, it connects with base upper end inner hole thread by annular plate body 15 cylindricals.

Return and end valve 11 mainly by valve casing 6, valve plate 3 is formed, valve casing is an abnormity bowl body shape power part, its the rim of a bowl cylindrical is to outer lug, form outer convex ring body, one side bowl body is that Fig. 1 left side bowl body is that Fig. 1 right side is recessed from the bowl portion of frightening to the inside, bowl wall 12 medial extremitys are that Fig. 1 right-hand end is not higher than its outboard end on the recessed position, make one on the inboard bowl wall of recessed position and be convenient to the spout hole that liquid flows out in bowl body, and make this angle 2 of plane, place, aperture, spout hole outer end and plane, the rim of a bowl place greater than 45 ° less than 90 °, to guarantee under its self-gravity action, forming capping after valve gap 3 is installed to spout hole; Make two ear seats 2 on the bowl body on spout hole top, described valve 3 is hinged with ear seat 3 by its upper end tubulose connection seat 13, bearing pin 9.

In the present embodiment, the interior lateral circle surface of the outside end face of spout hole and valve plate 3 is made the inclined-plane that matches.During installation, be arranged at back the described outer convex ring body that ends the valve upper end and be plugged in the bottom seam circle of base upper end, both are movable to contact, and valve is positioned in the endoporus of base upper end and is positioned at the lid bottom thereby only make back.

Above-mentioned embodiment of the present utility model is not unique, for example, the first, lid also can be made of the flat circle plate body shape operator of monolithic construction, can also be made of the sphere plectane body operator of integral body or split-type structural; The second, the removable connecting mode between lid and the base also can be a screw attachment.

In actual production process, the utility model can adopt plastic material to make, and also can adopt metal material to make.

In actual use, when the utility model was installed lid shown in Figure 1, it was applicable to washroom, bathroom underdrainage, and when lid shown in Figure 4 is installed, then was applicable to the washing basin draining.

Claims

1, a kind of only floor drain of valve that has back, it comprises base, lid, it is characterized in that base is only bigger by the upper tubular section diameter, the less reducing body of lower tubular section diameter constitutes; Lid is one and has leaking hole and can form the member that blocks to the pore of upper tubular section and constitute, it and this pipeline section is removable is fixedly connected; In the described upper tubular section inner chamber of lid bottom, be provided with by what valve casing, valve plate were formed and return only valve, valve casing is an abnormity bowl body member, one side bowl body is recessed to the inside from the rim of a bowl bottom, upper end, recessed position bowl wall medial extremity is not higher than its outboard end, be shaped on one on this position inside wall and be convenient to the spout hole that liquid flows out in bowl body, the angle between this plane, place, aperture, spout hole outer end and the plane, the rim of a bowl place is spent less than 90 greater than 45 degree; Described valve plate and spout hole top bowl body are hinged and under its self-gravity action overfall is formed capping; Return ending the bowl mouth end cylindrical of valve by described bowl of body connects with the removable sealing of inboard tube wall circumference of upper tubular section.

2, a kind of only floor drain of valve that has back according to claim 1, it is characterized in that described lid is made of annular plate body and one section body, this body lower end connects with annular plate body endoporus sealing and fixing, and this lid connects with the upper end inner hole thread of described upper tubular section by the external circle of its annular slab.

3, a kind of only floor drain of valve that has back according to claim 1 is characterized in that described lid is made of the flat circle plate body of an operator structure, and it connects with the upper end inner hole thread of described upper tubular section by its cylindrical.

4, a kind of only floor drain of valve that has back according to claim 3, it is characterized in that described plectane body forms by an annular plate body with the removable tegillum body that connects of its endoporus, and make the diameter of bore of annular plate body be slightly larger than washing machine, drier gutter diameter.