CN201843192U

CN201843192U - Bent tube type check valve

Info

Publication number: CN201843192U
Application number: CN2010205810799U
Authority: CN
Inventors: 尹道烈
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-10-28
Filing date: 2010-10-28
Publication date: 2011-05-25
Anticipated expiration: 2020-10-28

Abstract

The utility model discloses a bent tube type check valve and relates to the check valve. The check valve solves the problems of poor reliability and poor sealing effect of the existing odor-proof pipe fittings. The lower port of a bent tube body (1) of the check valve is an inclined cut (1-1); a sealing body (2) is manufactured into a whole body from the top down by a connecting body (2-1) and a cover plate (2-2); the connecting body (2-1) of the sealing body (2) is fixedly arranged on an outer wall at the upper end of the bent tube body (1); the cover plate (2-2) of the sealing body (2) is covered on the inclined cut (1-1); the upper end of a direct type pressure spring (3) is arranged on the outer wall of the connecting body (2-1) of the sealing body (2) through a fixing body (4); the lower end of the direct type pressure spring (3) pushes against the outer wall of the cover plate (2-2) of the sealing body (2); and the direct type pressure spring (3) is used for tightly pressing the cover plate (2-2) of the sealing body (2) on the inclined cut (1-1). The check valve has simple structure, is convenience for producing and manufacturing, has low cost and is applicable to the sewage pipelines.

Description

The bent-tube boiler non retern valve

Technical field

The utility model relates to a kind of non retern valve, is specifically related to a kind of bent-tube boiler non retern valve.

Background technology

At present, homemade plastic pipe former product can satisfy the growth requirement of our plastic pipe substantially and certain outlet is arranged on output, specification, and manufacturing technology also adapts basically with the level of consumption of China.Plastic pipe has been applied in the every field, raising along with people's living standard, more and more pursue more perfectly living environment, but the environment of people's life now, as dwelling house, office, hotel etc., can directly smell niff from plumbing drain (dwelling house is washed the dish wash basin pipeline that discharges water, floor drain pipeline, rest room plumbing drain or the like).These smells contain poisonous gas and part germ, and it directly affects people's living environment and physical and mental health.The foul-proof tube spare of selling on the existing market, poor reliability, sealing effectiveness is bad.

The utility model content

The purpose of this utility model is in order to solve because the poor reliability that existing foul-proof tube spare exists, the problem of sealing effectiveness difference, and then a kind of bent-tube boiler non retern valve is provided.

The technical solution of the utility model is: the bent-tube boiler non retern valve comprises the bend pipe main body, seal, straight formula stage clip and fixed body, the lower port of bend pipe main body is an angular cut, seal is made one from top to bottom by connector and cover plate, the connector of seal is fixedly mounted on the upper end outer wall of bend pipe main body, the cover plate lid of seal is contained on the angular cut, the upper end of straight formula stage clip is installed in by fixed body on the outer wall of connector of seal, the lower end abutment of straight formula stage clip is on the outer wall of the cover plate of seal, and straight formula stage clip is used for the cover plate of seal is pressed on angular cut.

The utility model compared with prior art has following effect: 1. the utility model is by offering angular cut in the lower end of bend pipe main body, at angular cut loam cake dress cover plate, and adopt straight formula stage clip that the cover plate of seal is pressed on the angular cut, make to the utlity model has reliability height and advantage of good sealing effect, also can play the effect of anti-peculiar smell, anti-small worm, anti-germ.2. the without hindrance member in inside of the present utility model has been eliminated the phenomenon that component inside easily hangs foreign material.3. the utlity model has simple in structurely, be convenient to manufacture and advantage with low cost.

Description of drawings

Fig. 1 is that overall structure master of the present utility model looks sectional view, and Fig. 2 is the left view of Fig. 1, and Fig. 3 is the vertical view of Fig. 1, and Fig. 4 is the upward view of Fig. 1, and Fig. 5 is the front view of bend pipe main body of the present utility model, and Fig. 6 is the lateral view of bend pipe main body.

The specific embodiment

The specific embodiment one: present embodiment is described in conjunction with Fig. 1-Fig. 6, the bent-tube boiler non retern valve of present embodiment comprises bend pipe main body 1, seal 2, straight formula stage clip 3 and fixed body 4, the lower port of bend pipe main body 1 is angular cut 1-1, seal 2 is made one from top to bottom by connector 2-1 and cover plate 2-2, the connector 2-1 of seal 2 is fixedly mounted on the upper end outer wall of bend pipe main body 1, the cover plate 2-2 lid of seal 2 is contained on the angular cut 1-1, the upper end of straight formula stage clip 3 is installed in by fixed body 4 on the outer wall of connector 2-1 of seal 2, the lower end abutment of straight formula stage clip 3 is on the outer wall of the cover plate 2-2 of seal 2, and straight formula stage clip 3 is used for the cover plate 2-2 of seal 2 is pressed on angular cut 1-1.

The specific embodiment two: in conjunction with Fig. 1 present embodiment is described, the seal 2 of present embodiment is a rubbery sealed body.So be provided with, sealing effectiveness is better, more effectively deodorization insect protected.Other composition is identical with the specific embodiment one with annexation.

The specific embodiment three: in conjunction with Fig. 1 and Fig. 4 present embodiment is described, the bent-tube boiler non retern valve of present embodiment also comprises helical compression spring 5, and helical compression spring 5 is fixedly connected between the cover plate 2-2 of fixed body 4 and seal 2.So be provided with, sealing effectiveness is better, and it is bigger to be particularly useful for caliber, in the bigger plumbing drain of rate-of flow.Other composition is identical with the specific embodiment one or two with annexation.

The specific embodiment four: in conjunction with Fig. 1 present embodiment is described, the bent-tube boiler non retern valve of present embodiment also comprises guide pipe 6, and the upper end of bend pipe main body 1 is fixedly mounted on the lower end outer wall of guide pipe 6.So be provided with, plumbing drain is play the guiding role, its shape changes and appropriate change according to the sewage caliber.Other composition is identical with the specific embodiment one, two or three with annexation.

Claims

1. bent-tube boiler non retern valve, it is characterized in that: it comprises bend pipe main body (1), seal (2), straight formula stage clip (3) and fixed body (4), the lower port of bend pipe main body (1) is angular cut (1-1), seal (2) is made one from top to bottom by connector (2-1) and cover plate (2-2), the connector (2-1) of seal (2) is fixedly mounted on the upper end outer wall of bend pipe main body (1), cover plate (2-2) lid of seal (2) is contained on the angular cut (1-1), the upper end of straight formula stage clip (3) is installed in by fixed body (4) on the outer wall of connector (2-1) of seal (2), the lower end abutment of straight formula stage clip (3) is on the outer wall of the cover plate (2-2) of seal (2), and straight formula stage clip (3) is used for the cover plate (2-2) of seal (2) is pressed on angular cut (1-1).

2. bent-tube boiler non retern valve according to claim 1 is characterized in that: seal (2) is a rubbery sealed body.

3. bent-tube boiler non retern valve according to claim 1 and 2 is characterized in that: the bent-tube boiler non retern valve also comprises helical compression spring (5), and helical compression spring (5) is fixedly connected between the cover plate (2-2) of fixed body (4) and seal (2).

4. bent-tube boiler non retern valve according to claim 3 is characterized in that: the bent-tube boiler non retern valve also comprises guide pipe (6), and the upper end of bend pipe main body (1) is fixedly mounted on the lower end outer wall of guide pipe (6).