CN212338295U

CN212338295U - Check valve with easily controlled fluid direction

Info

Publication number: CN212338295U
Application number: CN202020491670.9U
Authority: CN
Inventors: 王庆文
Original assignee: Tianjin Binhai Huayi Valve Co ltd
Current assignee: Tianjin Binhai Huayi Valve Co ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2021-01-12
Anticipated expiration: 2030-04-07

Abstract

The utility model discloses a check valve that fluid direction is easily controlled, on the valve body, upper end surface on the valve body is provided with the gasket that closes water, the upper end surface of closing the gasket is provided with the magnetic flux lid, the inside intermediate position of magnetic flux lid is provided with the valve post, left end surface mounting on the valve body has explosion-proof water inlet spiral shell, right-hand member surface mounting on the valve body has explosion-proof water outlet solenoid. This check valve that fluid direction is easily controlled can provide the dual protection of tubular in the pipe, can strengthen the intensity of water piping connection department, can prevent effectively again that connection screwed pipe one and connection screwed pipe two from taking place because of inside rivers expend with heat and contract with cold and the phenomenon of rupture, the effective separation of rivers that will leak is in explosion-proof water inlet spiral shell and explosion-proof water outlet spiral shell, improve the bleeding intensity of this check valve, ensure its normal safe handling, can increase its surperficial crashproof intensity and improve it and resist microthermal performance, strengthen the stagnant water effect of this check valve, prolong the life of check valve.

Description

Check valve with easily controlled fluid direction

Technical Field

The utility model relates to a check valve field specifically is a check valve that fluid direction is easily controlled.

Background

The check valve is a valve with a round valve clack and acts by self weight and medium pressure to block the medium from flowing backwards; belongs to the automatic valve category, also known as check valve, backflow valve or isolation valve; the motion modes of the valve clack are divided into a lifting type and a swing type, the lifting type check valve is similar to the structure of the stop valve, and only a valve rod for driving the valve clack is lacked; the medium flows in from the inlet end and flows out from the outlet end; when the inlet pressure is greater than the sum of the weight of the valve clack and the flow resistance thereof, the valve is opened; otherwise, the valve is closed when the medium flows backwards, the swing check valve is provided with a valve clack which is obliquely arranged and can rotate around a shaft, and the working principle is similar to that of the lifting check valve; the check valve is commonly used as a bottom valve of a water pumping device and can prevent the backflow of water;

the check valve on the market mostly does not adopt the dual protection of tubular in the pipe, can't strengthen the intensity of water piping connection department, can not prevent this stagnant water valve because of inside rivers expend with heat and contract with cold and cracked phenomenon takes place, can't be intraductal with the effective separation of rivers of leaking, bleeding intensity is low, the crashproof intensity on its surface is relatively poor with the performance of resisting microthermal, the short problem of life of check valve, for this reason, we propose a check valve that the fluid direction is easily controlled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a check valve that fluid direction is easily controlled to solve the check valve on the market that proposes in the above-mentioned background art and do not adopt the double protection of tubular in the pipe mostly, can't strengthen the intensity of water piping connection department, can not prevent this stagnant water valve because of inside rivers expend with heat and contract with cold cracked phenomenon take place, can't be intraductal with the effective separation of rivers of leaking, bleeding intensity is low, its surperficial crashproof intensity is relatively poor with the performance that resists microthermal, the shorter problem of life of check valve.

In order to achieve the above object, the utility model provides a following technical scheme: a check valve with easily controlled fluid direction comprises a valve body, wherein a water closing gasket is arranged on the upper end surface of the valve body, a magnetic flux cover body is arranged on the upper end surface of the water closing gasket, a valve post is arranged in the middle of the inside of the magnetic flux cover body, an explosion-proof water inlet screw is arranged on the left end surface of the valve body, an explosion-proof water outlet screw pipe is arranged on the right end surface of the valve body, an inner water pipe wall is arranged in the middle of the explosion-proof water inlet screw pipe, a valve clack disc is arranged on the lower end surface of the valve post, a sealing seat ring is arranged at the lower end of the valve clack disc, a valve body lower end surface of the sealing seat ring is arranged below the valve body, an explosion-proof pipe sleeve is arranged on the peripheral surface of the explosion-proof water outlet screw pipe, a threaded pipe barrel is arranged in the middle of the inside of the explosion-proof water outlet screw pipe, the valve comprises a valve body and is characterized in that a valve clack notch is formed in the upper end surface of the valve clack disk close to the middle, an inner ring pad I is arranged on the inner wall surface of the valve clack notch, an inner ring pad II is arranged on the inner wall surface of the inner ring pad I, a connecting screw pipe I is arranged on the left end surface under the valve body, and a connecting screw pipe II is arranged on the right end surface under the valve body.

Preferably, a magnetic cover column groove is formed in the middle of the inner portion of the valve body, and the magnetic flux cover body is tightly matched with the valve body through a water closing gasket.

Preferably, the explosion-proof water outlet solenoid is matched with the lower bolt of the valve body through a threaded pipe barrel and a connecting solenoid, and the wall of the inner water pipe penetrates through the lower part of the valve body.

Preferably, the valve clack disc is matched with the sealing seat ring, the protection pipe sleeve is sleeved with the explosion-proof water outlet solenoid, and the threaded pipe barrel penetrates through the explosion-proof water outlet solenoid.

Preferably, the telescopic valve rod is fixedly installed with the valve clack disc, and the valve post is movably arranged with the valve clack disc through the cooperation of the telescopic valve rod and the spring.

Preferably, the first inner ring pad is arranged at the notch of the valve clack of the ring sleeve, the second inner ring pad is arranged at the first inner ring pad of the ring sleeve, and the first connecting screw pipe and the second connecting screw pipe are arranged in parallel.

Compared with the prior art, the beneficial effects of the utility model are that: the check valve with easily controlled fluid direction is provided with an explosion-proof water inlet screw and an explosion-proof water outlet screw pipe, wherein the lower part of the valve body and the upper part of the valve body jointly form the check valve, the explosion-proof water outlet solenoid and the explosion-proof water inlet solenoid are both matched with the check valve bolt through the threaded pipe barrel and the connecting solenoid, under the combined protection action of the explosion-proof water inlet screw, the first connecting screw pipe and the explosion-proof water outlet screw pipe and the second connecting screw pipe, the joint of the check valve effectively provides pipe-in-pipe double protection, not only can strengthen the strength of the joint of the water pipe, but also can effectively prevent the first connecting screw pipe and the second connecting screw pipe from cracking due to the expansion and contraction of water flow inside, effectively block the leaked water flow in the explosion-proof water inlet screw and the explosion-proof water outlet screw, the screw thread in the threaded pipe barrel is tightly matched with the external screw rail of the connecting screw pipe, so that the bleeding strength of the check valve is effectively improved, and the normal and safe use of the check valve is ensured;

this check valve that fluid direction is easily controlled is provided with the protection tube cover, the inner ring fills up No. one and the inner ring fills up No. two, because the protection tube cover is established at explosion-proof water outlet solenoid and explosion-proof spiral shell surface of intaking, can increase its surperficial crashproof intensity and improve it and resist microthermal performance, fill up No. one and the inner ring of inner ring pad through setting up at the inboard inner ring of valve clack notch and overlap mutually and establish, can prevent that the inseparable phenomenon of laminating takes place after valve clack dish and the long-time use of seal retainer ring, thereby further strengthen this check valve's stagnant water effect, prolong check valve's life.

Drawings

FIG. 1 is an overall sectional view of the present invention;

FIG. 2 is a schematic view of the structure of the protective tube sleeve of the present invention;

FIG. 3 is a schematic structural view of the valve flap disc and the retractable valve rod of the present invention;

FIG. 4 is an enlarged view of A in FIG. 3 according to the present invention;

fig. 5 is a schematic view of the overall structure of the present invention.

In the figure: 1. the valve body; 2. a water-blocking gasket; 3. a magnetic flux cover; 4. a spool; 5. an explosion-proof water inlet screw; 6. an explosion-proof water outlet solenoid; 7. an inner water tube wall; 8. a valve flap disc; 9. sealing the seat ring; 10. the valve body is arranged below the valve body; 11. a protective sleeve; 12. a threaded tube barrel; 13. a telescoping valve stem; 14. a spring; 15. a valve flap notch; 16. the inner ring is padded with I; 17. the inner ring pad is II; 18. a first connecting screw pipe; 19. and a second connecting screw pipe.

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. 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. 1-5, the present invention provides a technical solution: a check valve with easily controlled fluid direction comprises a valve body 1, wherein a water closing gasket 2 is arranged on the upper end surface of the valve body 1, a magnetic flux cover body 3 is arranged on the upper end surface of the water closing gasket 2, a valve post 4 is arranged in the middle of the inside of the magnetic flux cover body 3, an anti-explosion water inlet screw 5 is arranged on the left end surface of the valve body 1, an anti-explosion water outlet screw pipe 6 is arranged on the right end surface of the valve body 1, an inner water pipe wall 7 is arranged in the middle of the inside of the anti-explosion water inlet screw 5, a magnetic cover post groove is formed in the middle of the inside of the valve body 1, the magnetic flux cover body 3 is tightly matched with the valve body 1 through the water closing gasket 2, the anti-explosion water outlet screw pipe 6 is matched with a connecting screw pipe I18 through a threaded pipe barrel 12 to be installed with;

the lower end surface of the valve column 4 is provided with a valve clack disc 8, the lower end of the valve clack disc 8 is provided with a sealing seat ring 9, the lower end surface of the sealing seat ring 9 is provided with a lower valve body 10, the peripheral surface of the explosion-proof water outlet solenoid 6 is provided with a protective pipe sleeve 11, a threaded pipe sleeve 12 is arranged at the middle position inside the explosion-proof water outlet solenoid 6, a telescopic valve rod 13 is arranged at the middle position of the upper end surface of the valve column 4, the valve clack disc 8 is matched with the sealing seat ring 9, the protective pipe sleeve 11 is sleeved with the explosion-proof water outlet solenoid 6, the threaded pipe sleeve 12 penetrates through the explosion-proof water outlet solenoid 6, the telescopic valve rod 13 is fixedly installed with the valve clack disc 8, the valve column 4 is movably arranged with the valve clack disc 8 through the cooperation of the telescopic valve rod 13 and a spring 14, the retraction process of the telescopic valve rod 13;

the peripheral surface of the telescopic valve rod 13 is provided with a spring 14, the upper end surface of the valve clack disc 8 is provided with a valve clack notch 15 close to the middle position, the inner wall surface of the valve clack notch 15 is provided with a first inner ring pad 16, the inner wall surface of the first inner ring pad 16 is provided with a second inner ring pad 17, the left end surface of the lower valve body 10 is provided with a first connecting screw pipe 18, the right end surface of the lower valve body 10 is provided with a second connecting screw pipe 19, the first inner ring pad 16 is sleeved on the valve clack notch 15, the second inner ring pad 17 is sleeved on the first inner ring pad 16, the first connecting screw pipe 18 and the second connecting screw pipe 19 are arranged in parallel, and are installed with the check valve bolt through the matching of the threaded pipe barrel 12 and the first connecting, under the combined protection action of the explosion-proof water inlet screw 5, the first connecting screw pipe 18, the explosion-proof water outlet screw pipe 6 and the second connecting screw pipe 19, the pipe-in-pipe double protection is effectively provided for the connecting part of the check valve.

The working principle is as follows: for the check valve with the easily controlled fluid direction, firstly, the check valve with the easily controlled fluid direction is provided with an explosion-proof water inlet screw 5 and an explosion-proof water outlet screw 6, wherein the lower valve body 10 and the upper valve body 1 jointly form the check valve, the explosion-proof water outlet screw 6 and the explosion-proof water inlet screw 5 are both matched with a first connecting screw 18 through a thread pipe barrel 12 and are in bolt mounting with the check valve, under the joint protection action of the explosion-proof water inlet screw 5, the first connecting screw 18, the explosion-proof water outlet screw 6 and a second connecting screw 19, the joint of the check valve effectively provides pipe-in-pipe double protection, the strength of the joint of the water pipe can be enhanced, the phenomenon that the first connecting screw 18 and the second connecting screw 19 are cracked due to thermal expansion and cold contraction of internal water flow can be effectively prevented, the leaked water flow is effectively blocked in the explosion-proof water inlet screw 5 and the explosion-proof water outlet screw 6, and the tight matching of the screw track outside the second connecting screw 19 through the threads inside the thread pipe barrel 12, the bleeding strength of the check valve is effectively improved, and the normal and safe use of the check valve is ensured; the magnetic flux cover body 3 is matched with the water closing gasket 2 to be tightly matched with the valve body upper part 1, the water closing gasket 2 can enable the magnetic flux cover body 3 and the valve body upper part 1 to be embedded more tightly, water leakage is effectively avoided, the valve column 4 can be controlled by starting the magnetic flux cover body 3, the valve clack disc 8 is pushed to be tightly embedded with the sealing seat ring 9 through the matching of the telescopic valve rod 13 and the spring 14, and water flow is effectively blocked in the inner water pipe wall 7; finally, the check valve with the easily controlled fluid direction is provided with the protection pipe sleeve 11, the first inner ring pad 16 and the second inner ring pad 17, the protection pipe sleeve 11 is sleeved on the outer surfaces of the explosion-proof water outlet solenoid 6 and the explosion-proof water inlet solenoid 5, the anti-collision strength of the surface of the check valve can be increased, the low-temperature resistance of the check valve can be improved, the first inner ring pad 16 and the second inner ring pad 17 which are arranged on the inner side of the valve clack notch 15 are sleeved, the phenomenon that the valve clack disc 8 and the sealing seat ring 9 are not tightly attached after being used for a long time can be prevented, the water stop effect of the check valve is further enhanced, and the service life of.

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 a check valve that fluid direction is easily controlled, includes on the valve body (1), its characterized in that: the water-stop valve is characterized in that a water-stop gasket (2) is arranged on the upper end surface of the valve body (1), a magnetic flux cover body (3) is arranged on the upper end surface of the water-stop gasket (2), a valve post (4) is arranged in the middle of the interior of the magnetic flux cover body (3), an explosion-proof water inlet screw (5) is arranged on the left end surface of the valve body (1), an explosion-proof water outlet screw pipe (6) is arranged on the right end surface of the valve body (1), an inner water pipe wall (7) is arranged in the middle of the interior of the explosion-proof water inlet screw (5), a valve flap disc (8) is arranged on the lower end surface of the valve flap disc (8), a sealing seat ring (9) is arranged at the lower end surface of the sealing seat ring (9), an explosion-proof protective pipe sleeve (11) is arranged on the peripheral surface of the explosion-proof water outlet screw pipe (6), and a threaded pipe barrel (12) is arranged in the middle of the interior, the utility model discloses a valve, including valve post (4), upper end surface intermediate position of valve post (4) is provided with flexible valve rod (13), the surface all around of flexible valve rod (13) is provided with spring (14), the upper end surface of valve clack dish (8) is close to the intermediate position and offers valve clack notch (15), the inner wall surface of valve clack notch (15) is provided with interior ring pad No. one (16), the inner wall surface of interior ring pad No. one (16) is provided with interior ring pad No. two (17), the left end surface of (10) is provided with under the valve body connects solenoid (18), the right-hand member surface of (10) is provided with connects solenoid two (19) under the valve body.

2. The check valve with controllable fluid direction according to claim 1, wherein: a magnetic cover column groove is formed in the middle of the inner portion of the valve body (1), and the magnetic flux cover body (3) is tightly matched with the valve body (1) through the water closing gasket (2).

3. The check valve with controllable fluid direction according to claim 1, wherein: the explosion-proof water outlet solenoid (6) is matched with the lower valve body (10) through a threaded pipe barrel (12) and a first connecting solenoid (18) and is mounted with a bolt, and the inner water pipe wall (7) penetrates through the lower valve body (10).

4. The check valve with controllable fluid direction according to claim 1, wherein: the valve clack disc (8) is matched with the sealing seat ring (9), the explosion-proof water outlet solenoid (6) is sleeved with the protective pipe sleeve (11), and the threaded pipe barrel (12) penetrates through the explosion-proof water outlet solenoid (6).

5. The check valve with controllable fluid direction according to claim 1, wherein: the telescopic valve rod (13) and the valve clack disc (8) are fixedly installed, and the valve column (4) is movably arranged with the valve clack disc (8) through the cooperation of the telescopic valve rod (13) and the spring (14).

6. The check valve with controllable fluid direction according to claim 1, wherein: the inner ring pad I (16) is arranged in a ring sleeve valve clack notch (15), the inner ring pad II (17) is arranged in a ring sleeve inner ring pad I (16), and the connecting screw pipe I (18) and the connecting screw pipe II (19) are arranged in parallel.