CN208605687U

CN208605687U - A kind of interior antifouling backflow preventer

Info

Publication number: CN208605687U
Application number: CN201821274228.XU
Authority: CN
Inventors: 黄旭东
Original assignee: Quanzhou Tianchen Valve Co Ltd
Current assignee: Quanzhou Tianchen Valve Co Ltd
Priority date: 2018-08-08
Filing date: 2018-08-08
Publication date: 2019-03-15
Anticipated expiration: 2028-08-08

Abstract

The utility model discloses backflow preventers antifouling in one kind, including ontology, water inlet is offered on the left of the ontology, the left end of the water inlet inner cavity is fixedly installed with hydraulic inductor, the right side opening of the ontology is equipped with water outlet, the left end of the water outlet intracavity bottom and the right end of water inlet intracavity bottom offer slot, the bottom of the ontology offers discharge opening, the inner cavity of the discharge opening is connected with plug, middle-end at the top of the chamber body is fixedly installed with the second electric telescopic rod, the bottom of second electric telescopic rod is fixedly connected with the middle-end of plug top.The utility model is cooperated by groove, ontology, the first electric telescopic rod, water inlet, hydraulic inductor, the second electric telescopic rod, discharge opening, plug, slot, water outlet, the first valve plate, the second valve plate and pressure inductor, the problem of solving present backflow preventer is normal elements composition, and backflow preventer is caused to be not convenient to use.

Description

A kind of interior antifouling backflow preventer

Technical field

The utility model relates to backflow preventer technical fields, specially backflow preventer antifouling in one kind.

Background technique

It is interior it is antifouling be household internal water decontamination system, it is antifouling inside in most common equipment be exactly backflow preventer, Backflow preventer is according to tap water supply equipment, and especially Drinking Water pipeline reflux is seriously polluted, and nothing is effectively prevent back Flow polluting device in the case where, in a kind of considered critical pipeline of development water can only one-way flow waterpower control combination device, Its function is to prevent the medium in pipeline from flowing backwards under any operating condition, is polluted with achieving the purpose that avoid to flow backwards, is flow backwards at present Preventer is broadly divided into two class of low resistance force counter flow stop and pressure reduction type backflow preventer, prevents by national standard low resistance force counter The head loss of device is less than 3 meters, and the head loss of pressure reduction type backflow preventer is less than 7 meters, with the development of society, electrical components Than the use that normal elements easily facilitate people, but present backflow preventer is normal elements composition, and causing to flow backwards prevents Device is not convenient to use, for this purpose, it is proposed that backflow preventer antifouling in one kind.

Utility model content

The purpose of this utility model is to provide backflow preventers antifouling in one kind, have advantage convenient to use, solution The problem of present backflow preventer of having determined is normal elements composition, and backflow preventer is caused to be not convenient to use.

To achieve the above object, the utility model provides the following technical solutions: antifouling backflow preventer in one kind, including Ontology offers water inlet on the left of the ontology, and the left end of the water inlet inner cavity is fixedly installed with hydraulic inductor, described The right side opening of ontology is equipped with water outlet, and the left end of the water outlet intracavity bottom is offered with the right end of water inlet intracavity bottom Slot, the bottom of the ontology offer discharge opening, and the inner cavity of the discharge opening is connected with plug, the chamber body top The middle-end in portion is fixedly installed with the second electric telescopic rod, and the bottom of second electric telescopic rod and the middle-end of plug top are fixed Connection, the left and right sides of the chamber body open up fluted, and it is electronic to be fixedly installed with first at the top of the groove inner cavity The bottom of telescopic rod, the first electric telescopic rod described in left end is fixedly connected with the second valve plate, and the bottom of second valve plate is embedded There is pressure inductor, the bottom of the first electric telescopic rod described in right end is fixedly connected with the first valve plate, first valve plate and Two valve plates are flexibly connected with slot.

Preferably, the middle-end of the bodies top is from left to right successively fixedly installed with display screen and digital keys, and aobvious The outer surface of display screen and digital keys is provided with waterproof cover.

Preferably, the outer surface of second electric telescopic rod is arranged with plastic tube, the top of the plastic tube and ontology The bottom of inner cavity is fixedly connected, and is fixedly connected at the top of the bottom of the plastic tube and plug.

Preferably, the right end of the bodies top is fixedly connected with battery case, and the bottom of battery box cavity is fixedly mounted There is battery.

Preferably, the left end at the top of the battery case offers socket, and the input terminal of the output end of socket and battery It is unidirectional to be electrically connected.

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

1, middle-end of the utility model at the top of chamber body is fixedly installed with the second electric telescopic rod, and second electronic stretches The bottom of contracting bar is fixedly connected with the middle-end of plug top, is driven plug to move up and down using the second electric telescopic rod, can be controlled The switch of discharge opening processed, it is more more convenient than the combination of normal elements, and be not in plug plug can not tightly extract very much or plug Too loose water the problem of flowing out of plug, is fixedly connected with the second valve plate by the bottom of the first electric telescopic rod of left end, while the The bottom of two valve plates is embedded with pressure inductor, and the bottom of the first electric telescopic rod of right end is fixedly connected with the first valve plate, benefit It drives the second valve plate and the first valve plate to move up and down with the first electric telescopic rod, can be distinguished using the second valve plate and the first valve plate The switch of inlet and outlet is controlled, common backflow preventer uses two valve plates that can loosen for a long time to be influenced water inlet and go out The leakproofness at the mouth of a river, and people can not learn whether two valve plates loosen, and incude the second valve using electrical components pressure inductor The pressure of plate just illustrates that device goes wrong, and is convenient for people to use when pressure inductor becomes smaller, then passes through mouth of a river inner cavity Left end is fixedly installed with hydraulic inductor, incudes hydraulic pressure using hydraulic inductor, can quickly control when hydraulic pressure deficiency Device operation processed, faster than the common backflow preventer speed of service, convenient for people to use, solving present refluence prevents The problem of device is normal elements composition, and backflow preventer is caused to be not convenient to use.

2, the utility model leads to the middle-end in bodies top and is from left to right successively fixedly installed with display screen and digital keys, And the outer surface of display screen and digital keys is provided with waterproof cover, and the numerical value of pressure inductor is shown using display screen, it is convenient Whether people's judgment means can also operate normally, and facilitate people to set the present apparatus using digital keys, pass through the second electric expansion The outer surface of bar is arranged with plastic tube, while the top of plastic tube is fixedly connected with the bottom of chamber body, and the bottom of plastic tube It is fixedly connected at the top of portion and plug, plastic tube is stretchable guard tube, protects the second electric telescopic rod, is prevented second electronic Telescopic rod gets rusty, and is fixedly connected with battery case by the right end of bodies top, and the bottom of battery box cavity is fixedly installed with storage Battery, using battery, guarantee device is operated normally when having a power failure, then offers socket by the left end at the top of battery case, And the output end of socket and the input terminal of battery are unidirectionally electrically connected, and electricity is provided when having electricity using socket, are guaranteed The normal operation of device, and charge a battery.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the partial structurtes enlarged diagram of A in the utility model Fig. 1；

Fig. 3 is the utility model schematic view of the front view.

In figure: 1 battery case, 2 sockets, 3 grooves, 4 ontologies, 5 digital keys, 6 display screens, 7 first electric telescopic rods, 8 into The mouth of a river, 9 hydraulic inductors, 10 second electric telescopic rods, 11 discharge openings, 12 plugs, 13 slots, 14 water outlets, 15 plastic tubes, 16 First valve plate, 17 batteries, 18 second valve plates, 19 pressure inductors.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

It please refers to Fig. 1-3, a kind of interior antifouling backflow preventer, including ontology 4, the left side of ontology 4 and offers water inlet 8, the left end of 8 inner cavity of water inlet is fixedly installed with hydraulic inductor 9, hydraulic pressure is incuded using hydraulic inductor 9, when hydraulic pressure is insufficient When can quickly control device operation, convenient for people to use, ontology faster than the common backflow preventer speed of service 4 right side opening is equipped with water outlet 14, and the left end of 14 intracavity bottom of water outlet and the right end of 8 intracavity bottom of water inlet offer slotting The middle-end of slot 13,4 top of ontology is from left to right successively fixedly installed with display screen 6 and digital keys 5, and display screen 6 and number The outer surface of key 5 is provided with waterproof cover, and the numerical value of pressure inductor 19 is shown using display screen 6, and people is facilitated to judge dress Whether can also operate normally, facilitate people to set the present apparatus using digital keys 5, the right end at 4 top of ontology is fixedly connected with if setting Battery case 1, and the bottom of 1 inner cavity of battery case is fixedly installed with battery 17, guarantees to fill when having a power failure using battery 17 Normal operation is set, the left end at 1 top of battery case offers socket 2, and the output end of socket 2 and the input terminal of battery 17 are unidirectional It is electrically connected, provides electricity when having electricity using socket 2, guarantee the normal operation of device, and charge to battery 17, this The bottom of body 4 offers discharge opening 11, and the inner cavity of discharge opening 11 is connected with plug 12, and the middle-end of 4 inner cavity top of ontology is solid Dingan County is equipped with the second electric telescopic rod 10, and the bottom of the second electric telescopic rod 10 is fixedly connected with the middle-end at 12 top of plug, benefit It drives plug 12 to move up and down with the second electric telescopic rod 10, can control the switch of discharge opening 11, than the combination of normal elements It is more convenient, and be not in can not tightly the extracting very much of filling in of plug 12 or plug 12 is filled in too loose water the problem of flowing out, second The outer surface of electric telescopic rod 10 is arranged with plastic tube 15, and the top of plastic tube 15 is fixedly connected with the bottom of 4 inner cavity of ontology, modeling The bottom of expects pipe 15 is fixedly connected with the top of plug 12, and plastic tube 15 is stretchable guard tube, protects the second electric expansion Bar 10 prevents the second electric telescopic rod 10 from getting rusty, and the left and right sides of 4 inner cavity of ontology opens up fluted 3, the top of 3 inner cavity of groove Portion is fixedly installed with the first electric telescopic rod 7, and the bottom of the first electric telescopic rod of left end 7 is fixedly connected with the second valve plate 18, the The bottom of two valve plates 18 is embedded with pressure inductor 19, and the bottom of the first electric telescopic rod of right end 7 is fixedly connected with the first valve plate 16, it drives the second valve plate 18 and the first valve plate 16 to move up and down using the first electric telescopic rod 7, utilizes the second valve plate 18 and first Valve plate 16 can be controlled separately the switch of water inlet 9 and water outlet 14, and common backflow preventer uses two valve plate meetings for a long time The leakproofness for influencing water inlet 9 and water outlet 14 is loosened, and people can not learn whether two valve plates loosen, and utilize electrical components The pressure that pressure inductor 19 incudes the second valve plate 18 just illustrates that device goes wrong when pressure inductor 19 becomes smaller, convenient People use, and the first valve plate 16 and the second valve plate 18 are flexibly connected with slot 13.

In use, the middle-end in 4 inner cavity top of ontology is fixedly installed with the second electric telescopic rod 10, and the second electric expansion The bottom of bar 10 is fixedly connected with the middle-end at 12 top of plug, drives plug 12 to move up and down using the second electric telescopic rod 10, The switch that can control discharge opening 11, it is more more convenient than the combination of normal elements, and be not in tightly can not very much for the plug of plug 12 It extracts or plug 12 is filled in too loose water the problem of flowing out, is fixedly connected with the by the bottom of the first electric telescopic rod of left end 7 Two valve plates 18, while the bottom of the second valve plate 18 is embedded with pressure inductor 19, and the bottom of the first electric telescopic rod of right end 7 is solid Surely it is connected with the first valve plate 16, drives the second valve plate 18 and the first valve plate 16 to move up and down using the first electric telescopic rod 7, utilizes Second valve plate 18 and the first valve plate 16 can be controlled separately the switch of water inlet 9 and water outlet 14, when common backflow preventer is long Between the leakproofness for influencing water inlet 9 and water outlet 14 can be loosened using two valve plates, and whether people can not learn two valve plates It loosens, the pressure of the second valve plate 18 is incuded using electrical components pressure inductor 19, when pressure inductor 19 becomes smaller, with regard to explanation Device goes wrong, and is convenient for people to use, then is fixedly installed with hydraulic inductor 9 by the left end of 8 inner cavity of the mouth of a river, utilizes hydraulic pressure Inductor 9 incudes hydraulic pressure, can quickly control device run when hydraulic pressure deficiency, run than common backflow preventer Speed is fast, convenient for people to use, and solving present backflow preventer is normal elements composition, leads to backflow preventer The middle-end of the problem of being not convenient to use, 4 top of ontology is from left to right successively fixedly installed with display screen 6 and digital keys 5, and aobvious The outer surface of display screen 6 and digital keys 5 is provided with waterproof cover, and the numerical value of pressure inductor 19 is shown using display screen 6, convenient Whether people's judgment means can also operate normally, and facilitate people to set the present apparatus using digital keys 5, pass through the second electric expansion The outer surface of bar 10 is arranged with plastic tube 15, while the top of plastic tube 15 is fixedly connected with the bottom of 4 inner cavity of ontology, and plastics The bottom of pipe 15 is fixedly connected with the top of plug 12, and plastic tube 15 is stretchable guard tube, protects the second electric telescopic rod 10, it prevents the second electric telescopic rod 10 from getting rusty, battery case 1 is fixedly connected with by the right end at 4 top of ontology, and in battery case 1 The bottom of chamber is fixedly installed with battery 17, guarantees that device operates normally when having a power failure using battery 17, then pass through electricity The left end at 1 top of pond case offers socket 2, and the output end of socket 2 and the input terminal of battery 17 are unidirectionally electrically connected, and are utilized Socket 2 provides electricity when having electricity, guarantees the normal operation of device, and charge to battery 17.

In summary: the interior antifouling backflow preventer passes through groove 3, ontology 4, the first electric telescopic rod 7, water inlet 8, hydraulic inductor 9, the second electric telescopic rod 10, discharge opening 11, plug 12, slot 13, water outlet 14, the first valve plate 16, Two valve plates 18 and pressure inductor 19 cooperate, and solving present backflow preventer is normal elements composition, cause down The problem of stream preventer is not convenient to use.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. antifouling backflow preventer in one kind, including ontology (4), it is characterised in that: offered on the left of the ontology (4) into The left end at the mouth of a river (8), water inlet (8) inner cavity is fixedly installed with hydraulic inductor (9), is opened up on the right side of the ontology (4) Have water outlet (14), the left end of water outlet (14) intracavity bottom and the right end of water inlet (8) intracavity bottom offer slotting The bottom of slot (13), the ontology (4) offers discharge opening (11), and the inner cavity of the discharge opening (11) is connected with plug (12), the middle-end of ontology (4) inner cavity top is fixedly installed with the second electric telescopic rod (10), second electric telescopic rod (10) bottom is fixedly connected with the middle-end at the top of plug (12), and the left and right sides of ontology (4) inner cavity opens up fluted (3), it is fixedly installed with the first electric telescopic rod (7) at the top of groove (3) inner cavity, the first electric telescopic rod described in left end (7) bottom is fixedly connected with the second valve plate (18), and the bottom of second valve plate (18) is embedded with pressure inductor (19), right The bottom of first electric telescopic rod (7) is held to be fixedly connected with the first valve plate (16), first valve plate (16) and the second valve Plate (18) is flexibly connected with slot (13).

2. antifouling backflow preventer in one kind according to claim 1, it is characterised in that: at the top of the ontology (4) Middle-end is from left to right successively fixedly installed with display screen (6) and digital keys (5), and display screen (6) and digital keys (5) is outer Surface is provided with waterproof cover.

3. antifouling backflow preventer in one kind according to claim 1, it is characterised in that: second electric telescopic rod (10) outer surface is arranged with plastic tube (15), and the top of the plastic tube (15) is fixedly connected with the bottom of ontology (4) inner cavity, It is fixedly connected at the top of the bottom of the plastic tube (15) and plug (12).

4. antifouling backflow preventer in one kind according to claim 1, it is characterised in that: at the top of the ontology (4) Right end is fixedly connected with battery case (1), and the bottom of battery case (1) inner cavity is fixedly installed with battery (17).

5. antifouling backflow preventer in one kind according to claim 4, it is characterised in that: at the top of the battery case (1) Left end offer socket (2), and the output end of socket (2) and the input terminal of battery (17) are unidirectionally electrically connected.