阅读说明：本技术 一种液体流动管道连接式防液体倒流阀 (Liquid backflow valve is prevented to liquid flow pipeline connection formula ) 是由 周少云 于 2021-08-25 设计创作，主要内容包括：本发明公开了一种液体流动管道连接式防液体倒流阀,包括底部柱状外壳。本发明利用电磁原理作为控制介质,当关闭后,由于电流关闭,会使得主电磁铁和副电磁铁失去磁性,此时,主永磁体和副永磁体会在主螺旋弹簧拉力和副螺旋弹簧拉力的作用下,分别向不同方向移动,其中阀杆在拉力的作用下,会深入到阀杆孔的内部,将主液体排放孔堵塞,液体无法流动,同时,阀板会在主螺旋弹簧的作用下,向远离主进液孔的部位移动,由于内部空间增大,会进一步将液体吸入,从而使得突然停止、且回流的液体会进入到液体预留空间内部,从而有效防止了液体在部件停止时形成的回流现象的发生。(The invention discloses a liquid flowing pipeline connection type liquid backflow prevention valve which comprises a bottom cylindrical shell. The invention utilizes the electromagnetic principle as a control medium, when the valve is closed, the main electromagnet and the auxiliary electromagnet can lose magnetism due to the closing of current, at the moment, the main permanent magnet and the auxiliary permanent magnet can respectively move towards different directions under the action of the tension of the main spiral spring and the tension of the auxiliary spiral spring, the valve rod can penetrate into the valve rod hole under the action of the tension to block the main liquid discharge hole, the liquid can not flow, meanwhile, the valve plate can move towards a part far away from the main liquid inlet hole under the action of the main spiral spring, and the liquid can be further sucked due to the increase of the inner space, so that the liquid which is suddenly stopped and flows back can enter the liquid reserved space, and the backflow phenomenon of the liquid formed when the part stops can be effectively prevented.)

1. The utility model provides a liquid reflux valve is prevented to liquid flow pipeline connection formula, includes bottom column shell (1), is located bottom column shell (1) top and top column shell (2) of integral type structure, installs battery (3) at bottom column shell (1) a terminal surface and installs current controller (4) on battery (3) surface, its characterized in that: bottom column shell (1) inside center is equipped with liquid headspace (4), and another terminal surface of bottom column shell (1) is equipped with main inlet channel (5), and the inside of main inlet channel (5) is equipped with main feed liquor hole (6) of one end intercommunication liquid headspace (4), the one end of bottom column shell (1) is equipped with external reset hole (7) in the intercommunication, a main coil spring (8) is installed in the one end that lies in reset hole (7) in liquid headspace (4), a valve plate (9) is laid to the one end of main coil spring (8), a main permanent magnet (10) is inlayed to the inside of valve plate (9), the side mid-mounting of bottom column shell (1) has the main electromagnet (11) of bisymmetry, inside one side of top column shell (2) is equipped with valve rod hole (13), the inside of bottom column shell (1) and top column shell (2) is equipped with intercommunication liquid headspace (4) top A main liquid discharge hole (12) arranged at the bottom of the middle section of the valve rod hole (13), a main part moving space (17) arranged at one end of the valve rod hole (13), one end of the main component moving space (17) is provided with a pair of electromagnets (16), a pair of spiral springs (20) are arranged inside the main component moving space (17), the auxiliary helical spring (20) is provided with a pair of permanent magnets (18) at one end of the auxiliary electromagnet (16), the auxiliary permanent magnet (18) is provided with a valve rod (19) at the side surface of the valve rod hole (13), the rod body of the valve rod (19) is inserted into the valve rod hole (13), the top of the top cylindrical shell (2) is provided with a pair of discharge pipelines (14), and an auxiliary liquid discharge hole (15) communicated with the top of the middle section of the valve rod hole (13) is formed in the auxiliary discharge pipeline (14) and the top cylindrical shell (2).

2. A liquid flow conduit-connected liquid backflow prevention valve as claimed in claim 1, wherein: the initial length of the main spiral spring (8) is smaller than the distance between the reset hole (7) and the main electromagnet (11).

3. A liquid flow conduit-connected liquid backflow prevention valve as claimed in claim 1, wherein: the bottom end of the main liquid discharge hole (12) is communicated with the interval of the liquid reserved space (4) between the main liquid inlet hole (6) and the main electromagnet (11).

4. A liquid flow conduit-connected liquid backflow prevention valve as claimed in claim 1, wherein: the initial length of the secondary coil spring (20) is smaller than the length of the main part moving space (17).

5. A liquid flow conduit-connected liquid backflow prevention valve as claimed in claim 1, wherein: the length of the valve rod hole (13) is smaller than that of the valve rod (19), and the sum of the thicknesses of the valve rod (19) and the auxiliary permanent magnet (18) is smaller than that of the main liquid discharge hole (12) and the main part moving space (17).

6. A liquid flow conduit-connected liquid backflow prevention valve as claimed in claim 1, wherein: the power input end of the current controller (4) is connected with the power output end of the storage battery (3) through a lead, and the power control output end of the current controller (4) is connected with the power control input ends of the main electromagnet (11) and the auxiliary electromagnet (16) through leads.

Technical Field

The invention relates to the technical field of valve bodies, in particular to a liquid flowing pipeline connecting type liquid backflow preventing valve.

Background

At present, most of the existing backflow prevention valves are of one-way valve principles or single closed switches, and in actual work, liquid impact phenomenon is caused due to part closing no matter the one-way valve is closed or the single switch is closed when a valve core is closed, so that micro backflow phenomenon caused by overlarge pressure intensity is caused.

Disclosure of Invention

The present invention aims to provide a liquid-flowing pipe-connected liquid-backflow-preventing valve, so as to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a liquid flow pipeline connection type liquid backflow prevention valve comprises a bottom cylindrical shell, a top cylindrical shell, a storage battery and a current controller, wherein the top cylindrical shell is located at the top of the bottom cylindrical shell and is of an integrated structure, the storage battery is installed on one end face of the bottom cylindrical shell, the current controller is installed on the surface of the storage battery, a liquid reserved space is arranged at the center of the inner portion of the bottom cylindrical shell, a main liquid inlet pipeline is arranged on the other end face of the bottom cylindrical shell, a main liquid inlet hole is formed in the inner portion of the main liquid inlet pipeline, one end of the main liquid inlet pipeline is communicated with the liquid reserved space, a reset hole is formed in one end of the bottom cylindrical shell, a main spiral spring is installed in one end of the reset hole in the liquid reserved space, a valve plate is installed at one end of the main spiral spring, a main permanent magnet is embedded in the valve plate, two symmetrical main electromagnets are installed in the middle of the side face of the bottom cylindrical shell, a valve rod hole is formed in one side of the inner portion of the top cylindrical shell, the inside of bottom column shell and top column shell is equipped with the main drainage hole of intercommunication liquid headspace top and valve rod hole middle section bottom, the one end in valve rod hole is equipped with main part activity space, the one end installation pair electromagnet in main part activity space, a pair coil spring is laid to the inside in main part activity space, a pair permanent magnet is laid in the one end that is located vice electromagnet to vice coil spring, vice permanent magnet is being located a side-mounting valve rod in the valve rod hole, the body of rod of valve rod inserts to the inside in valve rod hole, the top of top column shell is equipped with a pair discharge pipe, the inside of vice discharge pipe and top column shell is equipped with the vice drainage hole at intercommunication valve rod hole middle section top.

Further, the initial length of the main coil spring is smaller than the distance between the reset hole and the main electromagnet.

Furthermore, the bottom end of the main liquid discharge hole is communicated with the interval of the liquid reserved space between the main liquid inlet hole and the main electromagnet.

Further, the initial length of the secondary coil spring is smaller than the length of the active space of the main part.

Further, the length of the valve rod hole is smaller than that of the valve rod, and the sum of the thicknesses of the valve rod and the auxiliary permanent magnet is smaller than that of the main liquid drainage hole and the main part moving space.

Further, the power input end of the current controller is connected with the power output end of the storage battery through a lead, and the power control output end of the current controller is connected with the power control input ends of the main electromagnet and the auxiliary electromagnet through leads.

Compared with the prior art, the invention has the beneficial effects that: the invention utilizes the electromagnetic principle as a control medium, when the valve is closed, the main electromagnet and the auxiliary electromagnet can lose magnetism due to the closing of current, at the moment, the main permanent magnet and the auxiliary permanent magnet can respectively move towards different directions under the action of the tension of the main spiral spring and the tension of the auxiliary spiral spring, the valve rod can penetrate into the valve rod hole under the action of the tension to block the main liquid discharge hole, the liquid can not flow, meanwhile, the valve plate can move towards a part far away from the main liquid inlet hole under the action of the main spiral spring, and the liquid can be further sucked due to the increase of the inner space, so that the liquid which is suddenly stopped and flows back can enter the liquid reserved space, and the backflow phenomenon of the liquid formed when the part stops can be effectively prevented.

Drawings

FIG. 1 is a schematic diagram of a liquid backflow prevention valve connected to a liquid flow pipe according to the present invention;

FIG. 2 is a schematic structural view of a liquid-flowing pipe-connected liquid-backflow-preventing valve in the direction A-A according to the present invention;

FIG. 3 is a schematic view of a liquid-flowing pipe-connected liquid-backflow-preventing valve in the direction B-B according to the present invention;

FIG. 4 is a schematic view of a liquid-flowing pipe-connecting-type liquid-backflow-preventing valve in the C-C direction according to the present invention;

in the figure: the liquid-liquid separation device comprises a bottom cylindrical shell, a top cylindrical shell, a storage battery, a liquid reserving space, a main liquid inlet pipeline, a main liquid inlet hole, a main liquid return hole, a main spiral spring 9, a valve plate, a main permanent magnet 11, a main electromagnet, a main liquid discharge hole, a valve rod hole, a main discharge pipeline, an auxiliary discharge hole, a main discharge hole, an auxiliary discharge hole, a main discharge hole, an auxiliary discharge hole, a main discharge hole, a.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: the device comprises a bottom cylindrical shell 1, a top cylindrical shell 2 which is positioned at the top of the bottom cylindrical shell 1 and has an integrated structure, a storage battery 3 which is arranged on one end surface of the bottom cylindrical shell 1, and a current controller 4 which is arranged on the surface of the storage battery 3, wherein a liquid reserved space 4 is arranged at the center of the inner part of the bottom cylindrical shell 1, a main liquid inlet pipeline 5 is arranged on the other end surface of the bottom cylindrical shell 1, a main liquid inlet hole 6 with one end communicated with the liquid reserved space 4 is arranged in the main liquid inlet pipeline 5, a reset hole 7 communicated with the inner and outer parts is arranged at one end of the bottom cylindrical shell 1, a main spiral spring 8 is arranged at one end of the reset hole 7 in the liquid reserved space 4, a valve plate 9 is arranged at one end of the main spiral spring 8, a main permanent magnet 10 is embedded in the valve plate 9, and two symmetrical main electromagnets 11 are arranged in the middle part of the side surface of the bottom cylindrical shell 1, a valve rod hole 13 is arranged at one side inside the top cylindrical shell 2, a main liquid discharge hole 12 communicating the top of the liquid reserved space 4 and the bottom of the middle section of the valve rod hole 13 is arranged inside the bottom cylindrical shell 1 and the top cylindrical shell 2, one end of the valve rod hole 13 is provided with a main part moving space 17, one end of the main part moving space 17 is provided with a pair of electromagnets 16, a pair of coil springs 20 are placed inside the main part moving space 17, the pair of coil springs 20 place a pair of permanent magnets 18 at one end of the pair of electromagnets 16, the auxiliary permanent magnet 18 is provided with a valve rod 19 at the side of the valve rod hole 13, the rod body of the valve rod 19 is inserted into the inner part of the valve rod hole 13, the top of the top cylindrical shell 2 is provided with an auxiliary discharge pipeline 14, and the auxiliary discharge pipeline 14 and the inside of the top cylindrical shell 2 are provided with an auxiliary liquid discharge hole 15 communicated with the top of the middle section of the valve rod hole 13.

The initial length of the main coil spring 8 is smaller than the distance between the reset hole 7 and the main electromagnet 11.

The bottom end of the main liquid discharge hole 12 is communicated with the interval of the liquid reserved space 4 between the main liquid inlet hole 6 and the main electromagnet 11.

The initial length of the secondary coil spring 20 is smaller than the length of the main part movement space 17.

The length of the valve rod hole 13 is smaller than that of the valve rod 19, and the sum of the thicknesses of the valve rod 19 and the auxiliary permanent magnet 18 is smaller than that of the main liquid discharge hole 12 and the main part moving space 17, so that necessary blocking and opening operations are realized.

The power input end of the current controller 4 is connected with the power output end of the storage battery 3 through a lead, and the power control output end of the current controller 4 is connected with the power control input ends of the main electromagnet 11 and the auxiliary electromagnet 16 through leads, so that the current control function is realized.

The specific use mode is as follows: in the invention, a main liquid inlet pipeline 5 and an auxiliary liquid discharge pipeline 14 are respectively communicated with a liquid inlet pipeline and a liquid discharge pipeline, when the backflow is stopped by closing, the main electromagnet 11 and the auxiliary electromagnet 16 lose magnetism due to current closing, at the moment, the main electromagnet 11 and the auxiliary electromagnet 16 respectively move to different directions under the action of the pulling force of a main spiral spring 8 and the pulling force of an auxiliary spiral spring 20, a valve rod 19 can penetrate into the valve rod hole 13 under the action of the pulling force to block a main liquid discharge hole 12, the liquid cannot flow, meanwhile, a valve plate 9 can move to a part far away from the main liquid inlet hole 6 under the action of the main spiral spring 8, the liquid can be further sucked due to the increase of the internal space, so that the liquid which is stopped suddenly and flows back into a liquid reserved space 4, when the backflow stopping device needs to work, the controller 4 needs to be opened firstly, and then the rod body is inserted into the reset hole 7, so that the valve plate 9 is reset.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.