CN109723828A

CN109723828A - A kind of rod-pulling type blowdown valve

Info

Publication number: CN109723828A
Application number: CN201711049233.0A
Authority: CN
Inventors: 胡恩卫; 季利杰
Original assignee: Yongjia Yabisi Technology Co Ltd
Current assignee: Yongjia Yabisi Technology Co Ltd
Priority date: 2017-10-31
Filing date: 2017-10-31
Publication date: 2019-05-07

Abstract

The invention discloses a kind of rod-pulling type blowdown valves, including valve body and No.1 handle, No.1 spool is installed among the valve body, No.1 spool upper end is fixedly connected with No. two pull rods, No.1 spool upper end two sides are symmetrically installed with spring about No. two pull rods, valve deck has been connected by screw at No. two pull rods and valve body contact, the No.1 handle, at its lower end is fixedly connected with No.1 pull rod, the symmetrical flange in valve body both ends is connected with inlet and outlet, No. two spools are installed between the water inlet and No.1 spool, No. two spool upper ends are fixedly connected with valve rod, the valve rod is connected with two trumpeter's handles far from No. two spool one end screws.The rod-pulling type blowdown valve, structure is simple, and main valve and standby valve cooperate, and main valve plays blowdown when opening, and can open standby valve, main valve convenient to overhaul when main valve damage, pull rod can fold, and save space, and overall sealing performance is good.

Description

A kind of rod-pulling type blowdown valve

Technical field

The invention belongs to blowdown valve technical fields, and in particular to a kind of rod-pulling type blowdown valve.

Background technique

Currently, big or middle city multi-rise building house continues to bring out, the dormitory building at exclusive solely family emerges one after another, vast Resident is high to the hygienic requirements of living environment, it is desirable to have a warmth, quiet, hygienic comfortable residence, therefore prevents room The interior pollution from drainage becomes more important, and blowdown valve is generally connected with foul water tank, cesspool, sewage pipe etc., for controlling The discharge of sewage or sludge processed, it is widely used.

In the prior art, blowdown valve, valve blowdown is easy to be washed in use, erosion, to generate water hammer existing As leading to that valve must not be repaired infrequently or even some parts are repaired again because that can not dismantle, common blowdown valve is generally sharp It is rotated by 90 ° the purpose opened and closed with ovable valve stem lifting implementation with gear, is easily damaged valve, and unhygienic, operation fiber crops It is tired；Also there is blowdown valve using the automatic control of opening/closing such as electronic, pneumatic, but often volume is bigger for this blowdown valve, installs Journey is cumbersome.

Summary of the invention

The purpose of the present invention is to provide a kind of rod-pulling type blowdown valves, to solve the problems mentioned in the above background technology.

To achieve the above object, the invention provides the following technical scheme: a kind of rod-pulling type blowdown valve, including valve body and No.1 Handle is equipped with No.1 spool among the valve body, and No.1 spool upper end is fixedly connected with No. two pull rods, the No.1 valve Core upper end two sides are symmetrically installed with spring about No. two pull rods, have been connected by screw to valve at No. two pull rods and valve body contact Lid, No. two pull rods are connected with cutting ferrule far from No.1 spool threaded one end, and the No.1 handle, at its lower end is fixedly connected with No.1 Pull rod, the No.1 pull rod are fixedly connected with core far from No.1 handle one end, the symmetrical flange in valve body both ends be connected with into The mouth of a river and water outlet, are equipped with No. two spools between the water inlet and No.1 spool, No. two spool upper ends are fixedly connected There is valve rod, the valve rod is connected with two trumpeter's handles far from No. two spool one end screws.

Preferably, the core is flexibly connected with cutting ferrule, is hollow ball-shape groove, the body of the core inside the cutting ferrule Product is less than cutting ferrule boring volume.

Preferably, the cutting ferrule side is equipped with opening, and opening width is less than the diameter of core.

Preferably, it being equipped with groove with No.1 spool opposite position among the valve body, inside grooves are equipped with gasket, And groove shapes and valve body lower end are adapted.

Preferably, No. two spool sections are identical as cross-section of pipeline, and cross-sectional area is less than conduit cross-sectional area, institute It states No. two spool lateral surfaces and sealing ring is installed.

Preferably, No. two pull rods and valve deck contact position are equipped with limited block.

Technical effect and advantage of the invention: the rod-pulling type blowdown valve, No.1 spool, No.1 pull rod, No. two pull rods, No.1s Handle constitutes main valve, and No. two spools, valve rod, two trumpeter's handles constitute standby valve, and main valve and standby valve cooperate, main Play blowdown when valve opening, standby valve, main valve convenient to overhaul can be opened when main valve damage；No.1 pull rod and two Number pull rod passes through the cooperation of core and cutting ferrule, and pull rod can fold, and saves space；No.1 spool is matched by groove and gasket It closes, when main valve is closed, seals, when standby valve leaves unused, No. two spools are parallel with flow of media direction, to medium flow field It is logical not impact, while No. two spool lateral surfaces are equipped with sealing ring and can also seal when standby valve is closed.

Detailed description of the invention

Fig. 1 is the structural diagram of the present invention；

Fig. 2 is No.1 pull rod of the invention and No. two drawbar structure diagrams.

In figure: 1 No.1 handle, 2 No.1 pull rods, 21 cores, 3 No. two pull rods, 31 cutting ferrules, 4 valve decks, 5 springs, 6 valve bodies, 61 Limited block, 7 No.1 spools, 8 gaskets, 9 two trumpeter's handles, 10 valve rods, 11 No. two spools, 12 sealing rings, 13 water inlets, 14 water outlets Mouthful.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Referring to Fig. 1, Fig. 1 is the structural diagram of the present invention, a kind of rod-pulling type blowdown valve, including valve body 6 and a trumpeter Handle 1, is equipped with No.1 spool 7 among the valve body 6, and 7 upper end of No.1 spool is fixedly connected with No. two pull rods 3, and described one Number 7 upper end two sides of spool are symmetrically installed with spring 5 about No. two pull rods 3, and spring 5 is played reset role in valve working, described No. two pull rods 3 and 6 contact position of valve body have been connected by screw to valve deck 4, and No. two pull rods 3 and the installation of 4 contact position of valve deck are limited Position block 61, prevents No.1 spool 7 to be detached from valve body 6, and No. two pull rods 3 are connected with cutting ferrule 31 far from 7 threaded one end of No.1 spool, 1 lower end of No.1 handle is fixedly connected with No.1 pull rod 2, and the No.1 pull rod 2 is fixedly connected with far from 1 one end of No.1 handle Core 21,6 centre of valve body are equipped with groove with 7 opposite position of No.1 spool, and inside grooves are equipped with gasket 8, rise close Envelope effect, and groove shapes and 6 lower end of valve body are adapted.The symmetrical flange in 6 both ends of valve body is connected with water inlet 13 and water outlet Mouth 14, is equipped with No. two spools 11,11 section of No. two spools and conduit cross-sectional between the water inlet 13 and No.1 spool 7 Face is identical, and cross-sectional area is less than conduit cross-sectional area, and No. two spools 11 are parallel with pipeline medium circulating direction when leaving unused, not shadow Flow of media is rung, 11 lateral surface of No. two spools is equipped with sealing ring 12, seals, and 11 upper end of No. two spools is solid Surely it is connected with valve rod 10, the valve rod 10 is connected with two trumpeter's handles 9 far from No. two 11 one end screws of spool.

Referring to Fig. 2, Fig. 2 is No.1 pull rod of the invention and No. two drawbar structure diagrams, the core 21 and cutting ferrule 31 are flexibly connected, and are hollow ball-shape groove inside the cutting ferrule 31, and the volume of the core 21 is less than 31 boring body of cutting ferrule Product, 31 side of cutting ferrule be equipped with opening, opening width be less than core 21 diameter, 2 foldable 90 degree of No.1 pull rod, with No. two Pull rod 3 is vertical, to save space.

Working principle: No.1 spool 7,2, No. two pull rods 3 of No.1 pull rod, No.1 handle 1 constitute main valve, No. two spools 11, valve rod 10, two trumpeter's handles 9 constitute standby valve, and when work, medium is flowed into from water inlet, passes through No.1 handle 1, pull one Number pull rod 2 and No. two pull rods 3, No.1 spool 7 move up, and main valve is opened, and medium is flowed into through water outlet 13, and limited block 61 prevents one Number spool 7 is detached from valve body 6, and when closing, the elastic force for borrowing spring 5 makes No.1 spool 7 playback, and gasket 8 and groove rise on valve body 6 Sealing function rotates two trumpeter's handles 9 when main valve breaks down, and standby valve is opened, and medium is blocked in outside standby valve, Main valve can be overhauled.

Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features, All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention Within protection scope.

Claims

1. a kind of rod-pulling type blowdown valve, including valve body (6) and No.1 handle (1), it is characterised in that: peace among the valve body (6) Equipped with No.1 spool (7), No.1 spool (7) upper end is fixedly connected with No. two pull rods (3), No.1 spool (7) upper end Two sides are symmetrically installed with spring (5) about No. two pull rods (3), and No. two pull rods (3) and valve body (6) contact position are connected by screw It is connected to valve deck (4), No. two pull rods (3) are connected with cutting ferrule (31) far from No.1 spool (7) threaded one end, the No.1 handle (1) lower end is fixedly connected with No.1 pull rod (2), and the No.1 pull rod (2) is fixedly connected with core far from No.1 handle (1) one end (21), the symmetrical flange in valve body (6) both ends is connected with water inlet (13) and water outlet (14), the water inlet (13) and No.1 No. two spools (11) are installed, No. two spools (11) upper end is fixedly connected with valve rod (10), the valve rod between spool (7) (10) two trumpeter's handles (9) are connected with far from No. two spool (11) one end screws.

2. a kind of rod-pulling type blowdown valve according to claim 1, it is characterised in that: the core (21) and cutting ferrule (31) are living Dynamic connection, the internal cutting ferrule (31) is hollow ball-shape groove, and the volume of the core (21) is less than cutting ferrule (31) boring Volume.

3. a kind of rod-pulling type blowdown valve according to claim 1, it is characterised in that: cutting ferrule (31) side is equipped with and opens Mouthful, opening width is less than the diameter of core (21).

4. a kind of rod-pulling type blowdown valve according to claim 1, it is characterised in that: valve body (6) centre and No.1 valve Core (7) opposite position is equipped with groove, and inside grooves are equipped with gasket (8), and groove shapes are mutually fitted with valve body (6) lower end It answers.

5. a kind of rod-pulling type blowdown valve according to claim 1, it is characterised in that: No. two spools (11) section and pipe Road cross section is identical, and cross-sectional area is less than conduit cross-sectional area, and No. two spools (11) lateral surface is equipped with sealing ring (12)。

6. a kind of rod-pulling type blowdown valve according to claim 1, it is characterised in that: No. two pull rods (3) and valve deck (4) Contact position is equipped with limited block (61).