CN210423848U

CN210423848U - Anti-backflow water valve for wastewater treatment

Info

Publication number: CN210423848U
Application number: CN201921115161.XU
Authority: CN
Inventors: 赵宇峰
Original assignee: Wuxi Kairuide Fluid Technology Co Ltd
Current assignee: Wuxi Kairuide Fluid Technology Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-28
Anticipated expiration: 2029-07-16

Abstract

The utility model relates to the technical field of valves, in particular to an anti-backflow water valve for wastewater treatment, which comprises a valve body, a valve cover is vertically arranged in the middle of the top end of the valve body, a valve rod is vertically inserted in the valve cover, a valve core is arranged at the bottom end of the valve rod, the top end of the valve rod is sleeved with a valve cap, the bottom end of the valve cap is screwed on the top end of the valve cover, one end of the valve body is communicated with an anti-backflow chamber through a connecting structure, a baffle is vertically arranged at the bottom end in the anti-backflow chamber, a first lug piece is vertically arranged at the top end in the anti-backflow chamber, the bottom end of the first lug piece is rotationally connected with a second lug piece, the end part of the second lug piece is vertically fixed at the middle of one side of a cover plate, the bottom end of, avoid the pollution of the stock solution and the possible damage to the machine, and is convenient, practical, safe and reliable.

Description

Anti-backflow water valve for wastewater treatment

Technical Field

The utility model relates to the technical field of valves, especially, relate to an prevent return water flow valve for waste water treatment.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow) of a conveying medium, the valve is visible everywhere in daily life, the valve plays a great role in social development, but the valves on the market are conventional and have specific functions and cannot be used under certain conditions, if the negative pressure is formed in the pipeline when the valve is not closed, liquid in the pipeline flows back, raw liquid pollution and damage to a machine can be caused, and the valve is also a part easy to damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing an anti-backflow water valve for wastewater treatment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an anti-backflow water valve for waste water treatment, includes the valve body, the vertical valve gap of installing in valve body top middle part, vertical cartridge has the valve rod in the valve gap, the case is installed to the valve rod bottom, valve rod top cover is equipped with the valve cap, valve cap bottom spiro union is on the valve gap top, connection structure and anti-backflow room intercommunication are passed through to valve body one end, the vertical baffle of installing in anti-backflow room bottom, the vertical first auricle of installing in the inside top of anti-backflow room, first auricle bottom is rotated and is connected with the second auricle, second auricle tip vertical fixation is at apron one side middle part, the apron bottom is less than the top height of baffle, apron top and spring one end horizontally connect, another horizontally connect of spring is on first auricle lateral wall.

Preferably, connection structure includes intubate, spacing groove and clamp, intubate one end level intercommunication is on the anti-return chamber lateral wall, just the spacing groove has been seted up at the intubate middle part, the clamp is installed on valve body one end inside wall, just the horizontal cartridge of intubate is in valve body one end, the clamp block is at the spacing inslot, the cover is equipped with sealed the pad on the intubate.

Preferably, a threaded rod is vertically welded in the middle of the upper end face of the valve rod, the threaded rod is vertically inserted into the bottom end of the hand wheel, and a nut is screwed at the top end of the threaded rod.

Preferably, a sealing filler is filled between the lower end face of the valve cap and the valve cover.

The utility model provides a pair of a backflow prevention water valve for waste water treatment, beneficial effect lies in:

1. when rivers were through preventing the backward flow room, the impulsive force of rivers can be washed the apron open in normal time, and liquid can normally flow, and when the valve was closed, the apron just met on the baffle under the effect of spring pressure, can effectually prevent the backward flow, avoided the pollution of stoste and to the possible harm of machine, convenient and practical, safe and reliable.

2. The utility model discloses a gland packing can effectively improve the gas tightness in the valve body, prevents that the fluid from leaking and causes the corruption to the valve body surface to this valve simple structure, low in production cost is worth wideling popularize.

Drawings

Fig. 1 is a schematic structural diagram of an anti-backflow water valve for wastewater treatment according to the present invention.

Fig. 2 is an enlarged view of an anti-backflow chamber of the anti-backflow water valve for wastewater treatment provided by the utility model.

Fig. 3 is a partial enlarged view of an anti-backflow water valve for wastewater treatment according to the present invention.

In the figure: the anti-backflow valve comprises a valve body 1, a valve cover 2, a valve cap 3, a valve rod 4, a valve core 5, a sealing filler 6, an insertion pipe 7, a limiting groove 8, a clamp 9, an anti-backflow chamber 10, a baffle plate 11, a first lug plate 12, a second lug plate 13, a cover plate 14, a spring 15, a sealing gasket 16, a threaded rod 17, a nut 18 and a hand wheel 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an anti-backflow water valve for wastewater treatment comprises a valve body 1, a valve cover 2 is vertically installed in the middle of the top end of the valve body 1, a valve rod 4 is vertically inserted in the valve cover 2, a threaded rod 17 is vertically welded in the middle of the upper end face of the valve rod 4, the threaded rod 17 is vertically inserted at the bottom end of a hand wheel 19, a nut 18 is screwed at the top end of the threaded rod 17, a valve core 5 is installed at the bottom end of the valve rod 4, a valve cap 3 is sleeved at the top end of the valve cap 3, the bottom end of the valve cap 3 is screwed at the top end of the valve cover 2, a sealing filler 6 is filled between the lower end face of the valve cap 3 and the valve cover 2, one end of the valve body 1 is communicated with an anti-backflow chamber 10 through a connecting structure, the connecting structure comprises an insertion pipe 7, a limiting groove 8 and, and the horizontal cartridge of intubate 7 is in valve body 1 one end, and clamp 9 block can effectively improve the gas tightness in the valve body 1 through sealing filler 6 in the spacing groove 8, prevents that the fluid from leaking and causing the corruption to valve body 1 surface.

Baffle 11 is vertically installed to bottom end in anti-reflux room 10, first auricle 12 is vertically installed on the inside top in anti-reflux room 10, first auricle 12 bottom is rotated and is connected with second auricle 13, second auricle 13 tip vertical fixation is at apron 14 one side middle part, 14 bottom of apron is less than the top height of

baffle

11, 14 top of apron and 15 one end horizontally connect of spring, another horizontally connect of spring 15 is on 12 lateral walls of first auricle, when the valve is closed, apron 14 meets on baffle 11 at spring 15's effect, the fluid at its export position will be blocked by reverse, prevent that liquid from assaulting to the valve is inside, avoided taking place because the inside condition of impact valve body 1 of backward flow, it is more convenient to use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An anti-backflow water valve for wastewater treatment, comprising a valve body (1), characterized in that: the vertical valve gap (2) of installing in valve body (1) top middle part, vertical cartridge has valve rod (4) in valve gap (2), case (5) are installed to valve rod (4) bottom, valve rod (4) top cover is equipped with valve cap (3), valve cap (3) bottom spiro union is on valve cap (2) top, valve body (1) one end is passed through connection structure and is prevented backward flow room (10) intercommunication, prevent backward flow room (10) bottom vertical installation and have baffle (11), prevent that the inside top of backward flow room (10) is vertical to be installed first auricle (12), first auricle (12) bottom is rotated and is connected with second auricle (13), second auricle (13) tip vertical fixation is in apron (14) one side middle part, apron (14) bottom is less than the top height of baffle (11), apron (14) top and spring (15) one end horizontally connect, the other side of the spring (15) is horizontally connected to the side wall of the first lug plate (12).

2. The backflow prevention water valve for wastewater treatment according to claim 1, wherein the connecting structure comprises an insertion pipe (7), a limiting groove (8) and a clamp (9), one end of the insertion pipe (7) is horizontally communicated with the side wall of the backflow prevention chamber (10), the limiting groove (8) is formed in the middle of the insertion pipe (7), the clamp (9) is installed on the inner side wall of one end of the valve body (1), the insertion pipe (7) is horizontally inserted into one end of the valve body (1), and the clamp (9) is clamped in the limiting groove (8); the cannula (7) is sleeved with a sealing gasket (16).

3. The backflow prevention water valve for wastewater treatment according to claim 1, wherein a threaded rod (17) is vertically welded in the middle of the upper end face of the valve rod (4), the threaded rod (17) is vertically inserted at the bottom end of a hand wheel (19), and a nut (18) is screwed at the top end of the threaded rod (17).

4. The backflow prevention water valve for wastewater treatment according to claim 1, wherein a sealing packing (6) is filled between the lower end surface of the valve cap (3) and the valve cover (2).