CN215928508U - Check valve convenient for cleaning blockage in pipe - Google Patents

Abstract

The utility model discloses a check valve convenient for clearing blockage in a pipe, which comprises a water inlet pipe, wherein the top end of the water inlet pipe is connected with a central pipe in a penetrating way, an inner pipe is arranged in the central pipe, a ball groove is arranged at the joint of the water inlet pipe and the inner pipe, a ball body is arranged in the ball groove, a small hole penetrates through the bottom end of the inner pipe, the ball body is arranged as a check valve clack, the flexibility of disassembly of the check valve is increased compared with the traditional fixed circular valve clack, the inner pipe is arranged in the central pipe, a filter screen is arranged on a central pipe water flowing groove in the central pipe, liquid passing through the check valve can be filtered, the phenomenon of blockage of a pipeline behind the check valve is further ensured, meanwhile, a clamping cover and the central pipe are in a threaded connection mode, the filter screen, a spring and the check valve clack can be directly disassembled, so that the detachability of the whole device is realized, the cleaning of the blockage in the pipeline is convenient.

Description

Check valve convenient for cleaning blockage in pipe

Technical Field

The utility model relates to the technical field of check valves, in particular to a check valve convenient for cleaning a blockage in a pipe.

Background

The check valve is a valve whose opening and closing part is a circular valve clack and acts by self weight and medium pressure to block medium backflow, belonging to the automatic valve class, also called check valve, one-way valve, backflow valve or isolating valve, the valve clack movement mode is divided into lift type and swing type, the lift type check valve is similar to the structure of the stop valve, only the valve rod driving the valve clack is lacked, the medium flows in from the lower side inlet end and flows out from the upper side outlet end, when the inlet pressure is greater than the sum of the weight of the valve clack and the flow resistance thereof, on the contrary, the valve is closed when the medium flows backwards, the swing type check valve has a valve clack which is inclined and can rotate around the shaft, the working principle is similar to the lift type check valve, the check valve is commonly used as the bottom valve of a pumping device, the check valve can block the backflow of water, the application of the check valve in the pipeline is very extensive, but in the traditional check valve pipeline, the pipeline can block because of impurities contained in the pipeline, and the conventional check valve does not have a filtering function, and since the conventional check valve is relatively troublesome to disassemble, when the pipeline is blocked, the cleaning work of the pipeline becomes troublesome.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a check valve for conveniently cleaning the blockage in a pipe, so as to solve the problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a check valve of convenient clearance intraductal plug, includes the inlet tube, inlet tube top through connection has the center tube, the inside pipe that is equipped with of center tube, the inlet tube with inside union coupling department has seted up the spheroid groove, the spheroid has been placed to spheroid inslot portion, inside bottom of the tube department runs through there is the aperture, center tube one side through connection has the outlet pipe, inside tye has been seted up to the center tube, the inside filter screen of pegging graft of inside tye, the inside center tube screw thread that is equipped with of center tube, the inside screw thread of center tube rotates and is connected with the card lid.

Preferably, the top of the sphere is elastically connected with a spring, the diameter of the sphere is larger than that of the sphere groove, and the other end of the spring is connected with a spring pressing sheet.

Preferably, the spring pressing plate is fixedly connected with a screw, the screw is in threaded connection with the clamping cover in a rotating mode, a nut is fixed to the top of the screw, and a screw rod is fixed to the nut.

Preferably, a gasket is arranged on the top of the inner pipe and the top of the filter screen, and the diameter of the gasket is equal to that of the filter screen.

Preferably, the bottom end inside the filter screen is provided with a filter screen groove, a baffle is fixed on the filter screen groove, and the height of the baffle is equal to the distance from the small hole in the inner pipe to the bottom of the inner pipe.

Preferably, the water inlet pipe and the water outlet pipe are connected by a ball connector.

Compared with the prior art, the utility model has the beneficial effects that: through setting up the spheroid as the non return valve clack, fixed circular valve clack has increased the flexibility that the device was dismantled relatively to the tradition, set up the inner tube inside the center tube, through set up the filter screen on the inside center tube tye of center tube, can filter the liquid through in the check valve, and then guarantee that the blocking phenomenon can not appear in the pipeline behind the check valve, the mode that the card lid adopted threaded connection with the center tube simultaneously, the filter screen, the spring, the non return valve clack all can directly be dismantled, the detachability of whole device has been realized, the convenience is to with the clearance of interior plug of pipeline.

Drawings

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

FIG. 2 is a structural schematic view in overall cross-section of the present invention;

FIG. 3 is a schematic view of the overall cross-sectional split configuration of the present invention;

FIG. 4 is a schematic cross-sectional view of a center tube of the present invention;

FIG. 5 is a schematic view of the card cover and screw of the present invention;

fig. 6 is a schematic view of a screen structure according to the present invention.

In the figure: 1. a cover is clamped; 2. a water outlet pipe; 3. a water inlet pipe; 4. a central tube; 41. a center tube thread; 42. an inner tube; 43. an internal flume; 44. a small hole; 5. a nut; 51. screwing the rod; 52. pressing a spring plate; 53. a screw; 6. a gasket; 7. a filter screen; 71. a filter screen groove; 72. blocking the plate; 8. a spring; 9. a sphere; 10. a ball groove.

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.

Examples

Referring to fig. 1-6, the present invention provides a technical solution: a check valve convenient for cleaning blockage in a pipe comprises a water inlet pipe 3, the top end of the water inlet pipe 3 is connected with a central pipe 4 in a penetrating way, an inner pipe 42 is arranged in the central pipe 4, a ball groove 10 is arranged at the joint of the water inlet pipe 3 and the inner pipe 42, a ball 9 is arranged in the ball groove 10, a small hole 44 penetrates through the bottom end of the inner pipe 42, a water outlet pipe 2 is connected with one side of the central pipe 4 in a penetrating way, an inner water flowing groove 43 is arranged in the central pipe 4, a filter screen 7 is inserted in the inner water flowing groove 43, a central pipe thread 41 is arranged in the central pipe 4, a clamping cover 1 is rotatably connected with the inner thread of the central pipe 4, the ball 9 is arranged as a check valve clack, the flexibility of disassembly of the check valve is increased compared with the traditional fixed type circular valve clack, the inner pipe 42 is arranged in the central pipe 4, the filter screen 7 is arranged on the inner water flowing groove 43 in the central pipe 4, and liquid passing through the check valve can be filtered, and then guarantee that the pipeline behind the check valve can not appear blocking phenomenon, the mode that the card lid 1 and center tube 4 adopted threaded connection simultaneously, filter screen 7, spring 8, the non return valve clack all can directly be dismantled, realized the detachability of whole device, convenient to with the pipeline in the clearance of plug.

In this embodiment, specifically: the top elastic connection of spheroid 9 has spring 8, and spheroid 9 diameter is greater than the diameter of spheroid groove 10, and the spring 8 other end is connected with spring preforming 52, and the check valve effect can be realized in the setting of spheroid 9, and the reason of addding spring 8 is to press spheroid 9, increases the pressure that spheroid 9 started to can be suitable for different water pressure conditions and use, and realize that the device also can normal use when the level is placed.

In this embodiment, specifically: fixedly connected with screw rod 53 on the spring preforming 52, screw rod 53 screw thread rotates to be connected on the card lid 1, screw rod 53 top is fixed with nut 5, be fixed with wrong pole 51 on the nut 5, can rise or descend spring preforming 52 through screw rod 53 and card lid 1 screw thread rotation, can make spring 8 take place the deformation of different degrees, and then adjust the check valve and start the required pressure of back-off spheroid 9, and simultaneously, use for a long time along with the check valve, spring 8 elasticity reduces, adjust spring 8 through adjusting spring preforming 52, can compensate spring 8's elasticity.

In this embodiment, specifically: the gasket 6 is placed on the top of the inner pipe 42 and the filter screen 7, the diameter of the gasket 6 is equal to that of the filter screen 7, the gasket 6 is used for sealing the inner water flowing groove 43 in the central pipe 4 to prevent water from flowing out, and the gasket 6 is pressed and sealed through the clamping cover 1.

In this embodiment, specifically: filter screen groove 71 has been seted up to the inside bottom of filter screen 7, be fixed with the resistance plate 72 on the filter screen groove 71, the aperture 44 on height and the inner tube 42 of resistance plate 72 equals to the distance of inner tube 42 bottom, flow out from aperture 44 and filter through filter screen 7 afterwards when rivers, and filtered impurity can deposit on filter screen groove 71, restrict through resistance plate 72 the impurity that deposits and deposit, outwards pull out filter screen 7 during the clearance, later with the inside impurity clearance of filter screen groove 71 can, be convenient for the filtration washing of check valve, there is clean function to the stage property, prevent that the pipeline from taking place to block up.

In this embodiment, specifically: inlet tube 3 and outlet pipe 2 are ball connector connected mode, increase the flexibility of device detachable, ball connector convenient to detach, when the inside needs clearance of check valve, direct manual dismantle the check valve get off can, follow central pipe 4 screw thread dismantlement with card lid 1 afterwards, with filter screen 7, spring 8, spheroid 9, the washing can be poured out to gasket 6.

Working principle or structure principle, when using, the inlet tube 3 and the outlet tube 2 of the utility model are connected with the water pipe joint through the ball, the working principle, the device utilizes the ball 9 to realize the function of check valve for the pipeline, concretely, when water enters from the inlet tube 3, the ball 9 is placed on the ball groove 10 at the junction of the inlet tube 3 and the inner tube 42, the ball 9 has gravity to block the outlet of the inlet tube 3, when the water pressure is increased to set the ball 9 upwards, at the moment, the water flows out from the small hole 44 on the inner tube 42, after passing through the filter screen 7, part of the impurities are deposited in the filter screen groove 71 on the filter screen 7 to be stored, silt is stored under the function of the baffle plate 72, the water flows out through the outlet tube 2 finally through the central tube 4, the impurities in the pipeline are filtered, the filter screen 7 is pulled out during cleaning, then, the impurities in the filter screen groove 71 are cleaned out, the filtering of the check valve of being convenient for washs, the pipe has clean function, prevent that the pipeline from taking place to block up, through set up spring 8 on spheroid 9, guarantee that spheroid 9 can both work in any direction, add spring preforming 52 simultaneously and carry out the pressure boost to spheroid 9, be suitable for the pipeline of different pressure, when the inside needs clearance of check valve, direct manual dismantlement get off the check valve can, dismantle the card lid 1 from 4 threads of center pipe afterwards, with filter screen 7, spring 8, spheroid 9, it can to pour the washing to gasket 6.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a check valve of convenient clearance intraductal plug, includes inlet tube (3), its characterized in that: the improved water-saving filter is characterized in that the top end of the water inlet pipe (3) is connected with a central pipe (4) in a penetrating manner, an inner pipe (42) is arranged inside the central pipe (4), the water inlet pipe (3) is connected with a connecting port of the inner pipe (42) in a spherical groove (10), a sphere (9) is placed inside the spherical groove (10), a small hole (44) is formed in the bottom end of the inner pipe (42) in a penetrating manner, a water outlet pipe (2) is connected with one side of the central pipe (4) in a penetrating manner, an inner water flowing groove (43) is formed inside the central pipe (4), a filter screen (7) is inserted inside the inner water flowing groove (43), central pipe threads (41) are arranged inside the central pipe (4), and clamping covers (1) are connected with the inner threads of the central pipe (4) in a rotating manner.

2. The check valve for facilitating cleaning of blockages in pipes of claim 1, further comprising: the top of the sphere (9) is elastically connected with a spring (8), the diameter of the sphere (9) is larger than that of the sphere groove (10), and the other end of the spring (8) is connected with a spring pressing sheet (52).

3. The check valve for facilitating cleaning of blockages in pipes of claim 2, wherein: fixedly connected with screw rod (53) on spring preforming (52), screw rod (53) screw thread rotate connect in on card lid (1), screw rod (53) top is fixed with nut (5), be fixed with on nut (5) and twist pole (51).

4. The check valve for facilitating cleaning of blockages in pipes of claim 1, further comprising: the inner pipe (42) and the top of the filter screen (7) are provided with a gasket (6), and the diameter of the gasket (6) is equal to that of the filter screen (7).

5. The check valve for facilitating cleaning of blockages in pipes of claim 1, further comprising: the filter screen is characterized in that a filter screen groove (71) is formed in the bottom end of the interior of the filter screen (7), a baffle plate (72) is fixed on the filter screen groove (71), and the height of the baffle plate (72) is equal to the distance from a small hole (44) in the inner pipe (42) to the bottom of the inner pipe (42).

6. The check valve for facilitating cleaning of blockages in pipes of claim 1, further comprising: the water inlet pipe (3) and the water outlet pipe (2) are connected in a ball connector mode.

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