CN217784304U

CN217784304U - Filtering backflow preventer for electric valve

Info

Publication number: CN217784304U
Application number: CN202221665401.5U
Authority: CN
Inventors: 卓猷兴; 廖小凤; 卓五金
Original assignee: Guilong Valve Group Co ltd
Current assignee: Guilong Valve Group Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-11-11
Anticipated expiration: 2032-06-30

Abstract

The utility model relates to a backflow preventer technical field, especially a filtration backflow preventer for electrically operated valve, including the backflow preventer, the up end of the backflow preventer is fixedly connected with down plectane, the right side of the inside of the backflow preventer is fixedly connected with the spacing groove, the inboard side of the spacing groove is connected with the filter plate in a sliding manner, the up end of the filter plate is fixedly connected with the roof, the bolt connection is in the roof, the outside of the filter plate is connected with the upper plectane in a sliding manner, the up end of the upper plectane is fixedly connected with the top cap; the utility model discloses in, through spacing groove, filter, roof and the bolt that sets up for the device can filter the water of menstrual flow in the backflow preventer, reduces the soda and other small-size granules of aquatic, can't carry out filterable problem to water in solving the backflow preventer, and is very practical.

Description

Electric valve is with filtering backflow preventer

Technical Field

The utility model relates to a backflow preventer technical field specifically is a motorised valve is with filtering backflow preventer.

Background

The backflow preventer is a device which is composed of non-return parts and can prevent water flow backflow of a water supply pipeline, the backflow preventer is based on a tap water supply device, particularly, the backflow pollution of a domestic drinking water pipeline is serious, and under the condition of no device for effectively preventing backflow pollution, a hydraulic control assembly which can strictly limit water in the pipeline to flow in a single direction is developed, the backflow preventer has the function of preventing media in the pipeline from flowing backwards under any working condition, so as to achieve the purpose of avoiding backflow pollution, however, most backflow preventers on the market are not provided with filtering devices, when the backflow preventer leads water to flow backwards, water alkali or other small particles in the water can be increased, the quality of daily drinking water is influenced, and therefore, the backflow preventer is provided with the electric valve for filtering the backflow preventer aiming at the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electrically operated valve is with filtering backflow preventer makes it can solve in the backflow preventer can't carry out filterable problem to water.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an electrically operated valve is with filtering backflow preventer, includes the backflow preventer, plectane under the backflow preventer up end fixedly connected with, the right-hand fixedly connected with spacing groove of backflow preventer inside, spacing inslot side sliding connection has the filter, filter up end fixedly connected with roof, the inside bolted connection of roof has the bolt, filter outside sliding connection has last plectane, go up plectane up end fixedly connected with top cap.

Preferably, a filter plate groove is formed in the upper portion inside the right side of the lower circular plate, bolt holes are formed in the front side and the rear side of the upper portion inside the right side of the lower circular plate, a covering groove is formed in the lower portion inside the right side of the upper circular plate, a waterproof rubber pad is fixedly connected to the lower end face of the top plate, the outer side of the waterproof rubber pad is attached to the lower circular plate, connecting rings are fixedly connected to the outer sides of the lower circular plate and the upper circular plate, a waterproof rubber ring is fixedly connected to the inner side of each connecting ring, and the inner side of each waterproof rubber ring is in contact with the lower circular plate and the upper circular plate.

Preferably, the width of the inner side of the limiting groove is the same as the thickness of the filter plate, the filter plate is circular, and the diameter of the filter plate is the same as the diameter of the cross section of the backflow preventer.

Preferably, the number of the bolts is 2, the bolts are distributed on the front side and the rear side of the inner part of the top plate, the positions of the bolt holes are the same as the positions of the bolts in the inner part of the top plate, and the shapes of the filter plate groove and the covering groove are the same as the shape of the cross section of the top plate.

Preferably, the length and width of the outer side of the waterproof rubber gasket are 0.05 times larger than the length and width of the inner side of the filter plate groove, and the thickness of the waterproof rubber gasket is 0.7cm.

Preferably, a groove is formed in the inner side of the connecting ring, the width of the groove in the inner side of the connecting ring is the same as the thickness of the upper circular plate and the lower circular plate, and the waterproof rubber ring is located in the groove in the inner side of the connecting ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the device can filter the flowing water in the backflow preventer through the arranged limiting grooves, the filter plates, the top plate and the bolts, reduce the water alkali and other small particles in the water, solve the problem that the water cannot be filtered in the backflow preventer, and is very practical;

2. the utility model discloses in, waterproof rubber pad, cover groove, go-between and waterproof rubber circle through setting up for the device can carry out the shutoff to the gap that persists between backflow preventer and the filter, effectively prevents that water from outwards flowing from the gap between filter plate groove and the filter, effectively improves backflow preventer's overall sealing nature, and is very practical.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the filter plate according to the present invention;

FIG. 3 is a schematic top view of the lower disc of the present invention;

FIG. 4 is a schematic view of the upper disc of the present invention;

fig. 5 is a schematic view of the structure of the connection ring of the present invention;

fig. 6 is the structural schematic diagram of the waterproof rubber ring of the utility model.

In the figure: 1-backflow preventer, 2-lower circular plate, 3-upper circular plate, 4-top cover, 5-spacing groove, 6-filter plate, 7-top plate, 8-bolt, 9-filter screen, 10-waterproof rubber pad, 11-filter plate groove, 12-bolt hole, 13-cover groove, 14-connecting ring, 15-waterproof rubber ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution:

a filtering backflow preventer for an electric valve comprises a backflow preventer 1, wherein a lower circular plate 2 is fixedly connected to the upper end face of the backflow preventer 1, a limiting groove 5 is fixedly connected to the right inside of the backflow preventer 1, a filter plate 6 is slidably connected to the inner side of the limiting groove 5, a top plate 7 is fixedly connected to the upper end face of the filter plate 6, bolts 8 are bolted to the inside of the top plate 7, an upper circular plate 3 is slidably connected to the outside of the filter plate 6, a top cover 4 is fixedly connected to the upper end face of the upper circular plate 3, a filter plate groove 11 is arranged above the inside of the right side of the lower circular plate 2, bolt holes 12 are arranged on the front side and the rear side of the inside of the right side of the lower circular plate 2, a covering groove 13 is arranged below the inside of the right side of the upper circular plate 3, a waterproof rubber pad 10 is fixedly connected to the lower end face of the top plate 7, a lower circular plate 2 is attached to the outside of the waterproof rubber pad 10, a connecting ring 14 is fixedly connected to the outer sides of the lower connecting ring 2 and the upper circular plate 3, a waterproof rubber ring 15 is fixedly connected to the inner side of the upper circular plate 14, the waterproof rubber ring 15, the inner side of the waterproof rubber ring 15 is in contact with the lower circular plate 2 and the upper circular plate 3, the upper circular plate 2, the upper circular plate 3, the limiting groove 5, the filter plate 6, the top plate 7 and bolts 8 are arranged, the width of the inner side of the limiting groove 5 is the same as the thickness of the filter plate 6, the filter plate 6 is circular, the diameter of the filter plate 6 is the same as the diameter of the cross section of the backflow preventer 1, meanwhile, the number of the bolts 8 is 2, the bolts 8 are distributed on the front side and the rear side inside the top plate 7, the positions of the bolt holes 12 are the same as the positions of the bolts 8 inside the top plate 7, the shapes of the filter plate grooves 11 and the cover grooves 13 are the same as the cross section of the top plate 7, so that the device can filter the water flowing through the backflow preventer 1, reduce thermonatrite and other small particles in the water, and solve the problem that the backflow preventer 1 cannot filter the water; through the waterproof rubber pad 10 that sets up, cover groove 13, go-between 14 and waterproof rubber circle 15, and the outside length width of waterproof rubber pad 10 is greater than the inboard length width of filter plate groove 11 by 0.05 times, and the thickness of waterproof rubber pad 10 is 0.7cm, go-between 14 inboard is equipped with the recess simultaneously, and the inboard recess width of go-between 14 is the same with the thickness that last plectane 3 adds down plectane 2, and waterproof rubber circle 15 is arranged in the inboard recess of go-between 14, make the device can carry out the shutoff to the gap that persists between backflow preventer 1 and the filter 6, effectively prevent the outside outflow of gap between filter plate groove 11 and the filter 6 of water follow, effectively improve backflow preventer 1's overall leakproofness, and is very practical.

The working process is as follows: install backflow preventer 1 in the both ends about the water pipe during installation, operating personnel holds roof 7, insert filter 6 of terminal surface under roof 7 in the inboard filter plate groove 11 of lower plectane 2 of backflow preventer 1 up end, filter 6 is inside backflow preventer 1 and moves down along spacing groove 5, until the bottom of filter 6 contacts with backflow preventer 1 inside below, waterproof rubber pad 10 of terminal surface under roof 7 inserts filter plate groove 11 inboard this moment, take out bolt 8, insert bolt 8 in the hole of both sides around roof 7 is inside, rotatory bolt 8, bolt 8 below outside and bolt hole 12 screwed connection of lower plectane 2 inside front and back both sides, let bolt 8 and roof 7 and lower plectane 2 fix, take out top cap 4 after the completion of fixing, cover groove 13 inboard with roof 7 and bolt 8 with the upper plectane 3 of terminal surface under top cap 4, then fix go on the outside of lower plectane 2 and upper plectane 3 with go on, waterproof rubber circle 15 of go on the plectane 2 and the last plectane between the plectane 3, the filter 1 that the inboard shutoff can be used when the very little alkaline water of the improvement of filter screen, can be installed and can very effectively pass through the underwater particle, the filter screen, the water that can improve the practicality.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electrically operated valve is with filtering backflow preventer, includes backflow preventer (1), its characterized in that: plectane (2) under the up end fixedly connected with of backflow preventer (1), right-hand fixedly connected with spacing groove (5) of backflow preventer (1) inside, spacing groove (5) inboard sliding connection has filter (6), filter (6) up end fixedly connected with roof (7), roof (7) inside bolted connection has bolt (8), filter (6) outside sliding connection has last plectane (3), go up plectane (3) up end fixedly connected with top cap (4).

2. The filter backflow preventer for an electric valve according to claim 1, wherein: lower plectane (2) right side inside top is equipped with filter plate groove (11), both sides are equipped with bolt hole (12) around the inside top in plectane (2) right side down, it is equipped with cover groove (13) to go up inside below in plectane (3) right side, terminal surface fixedly connected with waterproof rubber pad (10) under roof (7), laminating in waterproof rubber pad (10) outside has down plectane (2), plectane (2) and the equal fixedly connected with go-between (14) in last plectane (3) outside down, go-between (14) inboard fixedly connected with waterproof rubber circle (15), waterproof rubber circle (15) inboard and lower plectane (2) and last plectane (3) contact.

3. The filter backflow preventer for an electric valve according to claim 1, wherein: the width of the inner side of the limiting groove (5) is the same as the thickness of the filter plate (6), the shape of the filter plate (6) is circular, and the diameter of the filter plate (6) is the same as the cross section caliber of the backflow preventer (1).

4. The filter backflow preventer for an electric valve according to claim 1, wherein: the number of the bolts (8) is 2, the bolts (8) are distributed on the front side and the rear side of the interior of the top plate (7), the positions of the bolt holes (12) are the same as the positions of the bolts (8) in the interior of the top plate (7), and the shapes of the filter plate grooves (11) and the cover grooves (13) are the same as the cross section shape of the top plate (7).

5. The filter backflow preventer for an electric valve according to claim 2, wherein: the length and width of the outer side of the waterproof rubber gasket (10) are 0.05 times larger than the length and width of the inner side of the filter plate groove (11), and the thickness of the waterproof rubber gasket (10) is 0.7cm.

6. The filter backflow preventer for an electric valve according to claim 2, wherein: the inner side of the connecting ring (14) is provided with a groove, the width of the groove on the inner side of the connecting ring (14) is the same as the thickness of the upper circular plate (3) and the lower circular plate (2), and the waterproof rubber ring (15) is positioned in the groove on the inner side of the connecting ring (14).