CN214063879U

CN214063879U - Y-shaped check valve convenient to seal

Info

Publication number: CN214063879U
Application number: CN202023051080.3U
Authority: CN
Inventors: 朱常有; 梁天锋; 陈海兵; 张超
Original assignee: Anhui Qili Stainless Steel Products Co ltd
Current assignee: Anhui Qili Stainless Steel Products Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-08-27
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses a Y type check valve convenient to it is sealed, including first valve pipe and second valve pipe, the one end top fixedly connected with sealing washer of second valve pipe, the inner wall threaded connection of sealing washer has the valve gap, the first spliced pole of bottom outer wall fixedly connected with of valve gap, the first connecting plate of bottom outer wall fixedly connected with of first spliced pole, the outer wall fixedly connected with rubber spring of first connecting plate, the bottom outer wall fixedly connected with current-limiting spring of first connecting plate. Through the second valve pipe that sets up, when rivers strike the valve clack, the valve clack gives a pressure of second spliced pole, and rubber spring and current-limiting spring pressure are given to the second connecting plate that the second spliced pole is connected, make rubber spring and current-limiting spring compression, and the current-limiting spring that sets up needs rivers to give certain impact force just can make its compression drive valve clack open, the unlikely of backward flow of having guaranteed of very big limit, can guarantee hydraulic controllability effectively.

Description

Y-shaped check valve convenient to seal

Technical Field

The utility model belongs to the technical field of the pipeline, concretely relates to Y type check valve convenient to it is sealed.

Background

The check valve is a valve which can be automatically opened and closed by means of medium flow force to prevent medium from flowing back, and is an automatic valve, and is mainly used on the pipeline in which the medium can flow in one direction. At present, the check valve on the market mainly comprises a valve body and a cover plate, wherein a cavity, a flow-in channel and a flow-out channel are arranged in the valve body, the cavity, the flow-in channel and the flow-out channel form a Y-shaped middle cavity, and a valve core and a valve clack are arranged in the cavity. Due to the special Y-shaped middle cavity of the check valve, the valve clack freely slides in the cavity in the valve body, the valve clack has weight, and due to the matching gap between the valve clack and the valve body, the valve clack can generate an eccentric phenomenon when moving downwards, so that the valve is difficult to close, and the production is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a Y type check valve convenient to it is sealed to propose current Y type check valve convenient to seal in solving above-mentioned background art in the use, because market check valve often appears often changing, the life-span is short, and the leakproofness is not good, can produce the backward flow phenomenon, thereby design one kind to the problem of time limit of use, leakproofness and backward flow phenomenon.

In order to achieve the above object, the utility model provides a following technical scheme: a Y-shaped check valve convenient to seal comprises a first valve pipe and a second valve pipe, wherein a sealing ring is fixedly connected to the top of one end of the second valve pipe, the inner wall of the sealing ring is in threaded connection with a valve cover, the bottom outer wall of the valve cover is fixedly connected with a first connecting column, the bottom outer wall of the first connecting column is fixedly connected with a first connecting plate, the outer wall of the first connecting plate is fixedly connected with a rubber spring, the bottom outer wall of the first connecting plate is fixedly connected with a current-limiting spring, the bottom outer wall of the current-limiting spring is fixedly connected with a second connecting plate, the bottom outer wall of the rubber spring is fixedly connected with the outer wall of the second connecting plate, the bottom outer wall of the second connecting plate is fixedly connected with a second connecting column, the outer wall of the second connecting column is fixedly connected with a valve clack, the outer wall of the valve clack is fixedly connected with a, the inner wall fixedly connected with of flexible groove subtracts the pressure spring, subtract the one end fixedly connected with second telescopic link of pressure spring, the one end fixedly connected with rubber circle of second telescopic link.

Preferably, the outer wall of second spliced pole runs through the inner wall of rubber circle, the inner wall of rubber circle and the outer wall of valve clack are through first telescopic link, the second telescopic link sliding connection who sets up.

Preferably, the inner wall of the first telescopic rod is movably connected with the outer wall of the second telescopic rod through a pressure reducing spring.

Preferably, the outer wall of the second valve pipe penetrates through the inner wall of the first valve pipe, the inner wall of the first valve pipe is fixedly connected with a partition block, the outer wall of the partition block is fixedly connected with the outer wall of the second valve pipe, and the bottom of the second valve pipe is fixedly connected with a baffle.

Preferably, both ends of the outer wall of the first valve pipe are fixedly connected with bolt caps, and the inner wall of each bolt cap is provided with threads.

Preferably, the outer walls of the first valve pipe and the second valve pipe are both provided with water flowing ports, and the outer wall of the first valve pipe is communicated with the outer wall of the second valve pipe through the arranged water flowing ports.

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

1. through the second valve pipe that sets up, when rivers strike the valve clack, the valve clack gives a pressure of second spliced pole, and rubber spring and current-limiting spring pressure are given to the second connecting plate that the second spliced pole is connected, make rubber spring and current-limiting spring compression, and the current-limiting spring that sets up needs rivers to give certain impact force just can make its compression drive valve clack open, the unlikely of backward flow of having guaranteed of very big limit, can guarantee hydraulic controllability effectively.

2. Through the valve clack that sets up, the rubber circle is being wrapped up to the valve clack outer wall, be used for protecting the valve clack, opening and closing many times, can strike the baffle of second valve pipe bottom portion, the rubber circle can be protected the valve clack effectively, when the backward flow phenomenon, the backward flow water gives the valve clack pressure, the current-limiting spring atress is uneven, can be automatic closed, the valve clack whereabouts, and the rubber circle and the second valve pipe inner wall that set up are closed, it is closed with second valve pipe bottom baffle, make its leakproofness better, can not produce the backward flow.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the first valve tube of fig. 1 according to the present invention;

fig. 3 is a schematic diagram of the second valve arrangement of fig. 1 according to the present invention;

fig. 4 is a schematic view of the internal structure of the second valve tube of the present invention;

FIG. 5 is a schematic view of the structure of the current limiting spring of the present invention;

FIG. 6 is a schematic view of the structure of the rubber ring of the present invention;

FIG. 7 is an enlarged view of the structure of the valve flap of the present invention;

fig. 8 is an enlarged view of the structure of the pressure reducing spring of the present invention.

In the figure: 1. a first valve tube; 2. a second valve tube; 3. a valve cover; 4. a seal ring; 5. a first connecting column; 6. a first connecting plate; 7. a rubber spring; 8. a current limiting spring; 9. a valve flap; 10. a rubber ring; 11. a first telescopic rod; 12. a second telescopic rod; 13. reducing the pressure spring; 14. a telescopic groove; 15. a baffle plate; 16. a water flowing port; 17. a bolt cap; 18. a thread; 19. a second connecting plate; 20. a second connecting column; 21. and (5) separating the blocks.

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.

The first embodiment is as follows:

referring to fig. 3-8, the present invention provides a technical solution: a Y-shaped check valve convenient to seal comprises a first valve pipe 1 and a second valve pipe 2, wherein the top of one end of the second valve pipe 2 is fixedly connected with a sealing ring 4, the inner wall of the sealing ring 4 is in threaded connection with a valve cover 3, the bottom outer wall of the valve cover 3 is fixedly connected with a first connecting column 5, the bottom outer wall of the first connecting column 5 is fixedly connected with a first connecting plate 6, the outer wall of the first connecting plate 6 is fixedly connected with a rubber spring 7, the bottom outer wall of the first connecting plate 6 is fixedly connected with a current-limiting spring 8, the bottom outer wall of the current-limiting spring 8 is fixedly connected with a second connecting plate 19, the bottom outer wall of the rubber spring 7 is fixedly connected with the outer wall of the second connecting plate 19, the bottom outer wall of the second connecting plate 19 is fixedly connected with a second connecting column 20, the outer wall of the second connecting column 20 is fixedly connected with a valve clack 9, the outer wall of the valve clack 9 is fixedly connected with a first telescopic rod 11, one side outer wall of the first telescopic rod 11 is provided with a telescopic groove 14, the inner wall fixedly connected with of flexible groove 14 subtracts pressure spring 13, subtracts one end fixedly connected with second telescopic link 12 of pressure spring 13, the one end fixedly connected with rubber circle 10 of second telescopic link 12.

In the embodiment, through the Y-shaped check valve, the valve is composed of a first valve pipe 1 and a second valve pipe 2, when water flow impacts a valve flap 9 in the second valve pipe 2, a force is applied to the valve flap 9 to support the valve flap 9, a layer of rubber ring 10 is wrapped on the outer layer of the valve flap 9 to protect the valve flap 9, the valve flap 9 is opened and closed for multiple times and can impact a baffle 15 at the bottom of the second valve pipe 2, the rubber ring 10 can effectively protect the valve flap 9, when backflow occurs, backflow water applies pressure to the valve flap 9, the current limiting spring 8 is stressed unevenly and can be automatically closed, the valve flap 9 falls, the arranged rubber ring 10 is closed with the inner wall of the second valve pipe 2 and is closed with the baffle 15 at the bottom of the second valve pipe 2, so that the sealing performance is better, backflow cannot occur, meanwhile, a first telescopic rod 11 and a second telescopic rod 12 are arranged between the valve flap 9 and the rubber ring 10, a pressure reducing spring 13 is arranged in the first telescopic rod 11, because of multiple circulation, the valve clack 9 can be effectively protected by the added first telescopic rod 11 and the second telescopic rod 12 which are just against the rubber ring 10, the service life of the valve clack is prolonged, the service life is longer, meanwhile, the water pressure impacts the valve flap 9, the valve flap 9 applies pressure to the second connecting column 20, the second connecting plate 19 connected with the second connecting column 20 applies pressure to the rubber spring 7 and the current-limiting spring 8, so that the rubber spring 7 and the current-limiting spring 8 are compressed, when the impact force reaches the force of the flow-limiting spring 8, the valve clack 9 rises, water flows into the water flowing port 16 and then enters the water outlet through the designed water flowing port 16, the flow-limiting spring 8 and the rubber spring 7 are provided with a downward force by the arranged first connecting plate 6 and the arranged first connecting column 5, so that the water flows more stably, and the arranged valve cover 3 is in threaded connection with the sealing ring 4, so that the water is more sealed and cannot flow out from the upper part.

Example two:

referring to fig. 2-6, based on the first embodiment, the present invention provides a technical solution: the outer wall of second spliced pole 20 runs through the inner wall of rubber circle 10, and the inner wall of rubber circle 10 and the outer wall of valve clack 9 are through first telescopic link 11, the 12 sliding connection of second telescopic link that set up.

In this embodiment, be provided with first telescopic link 11 and second telescopic link 12 between valve clack 9 and rubber circle 10, first telescopic link 11 is inside to be provided with and to subtract pressure spring 13, because of the manifold cycles, only lean on rubber circle 10 and can not play the guard action, the second telescopic link 12 of increase is at the inside sliding connection of first telescopic link 11, when striking baffle 15, can protect valve clack 9 effectively to a certain extent, makes its life-span lengthen, and the time limit of use is more of a specified duration.

Example three:

referring to fig. 1-5, on the basis of the first embodiment and the second embodiment, the present invention provides a technical solution: the inner wall of the first telescopic link 11 is connected with the outer wall of the second telescopic link 12 in a sliding mode through the pressure reducing spring 13, the outer wall of the second valve pipe 2 penetrates through the inner wall of the first valve pipe 1, the inner wall of the first valve pipe 1 is fixedly connected with the partition block 21, the outer wall of the partition block 21 is fixedly connected with the outer wall of the second valve pipe 2, the bottom of the second valve pipe 2 is fixedly connected with the baffle 15, bolt caps 17 are fixedly connected to two ends of the outer wall of the first valve pipe 1, threads 18 are formed in the inner wall of each bolt cap 17, water flowing openings 16 are formed in the outer walls of the first valve pipe 1 and the second valve pipe 2, and the outer wall of the first valve pipe 1 is communicated with the outer wall of the second valve pipe 2 through the water flowing openings 16.

In this embodiment, the second telescopic rod 12 is slidably connected inside the first telescopic rod 11, and when the second telescopic rod strikes the baffle 15 to a certain extent, the valve flap 9 can be effectively protected, so that the service life of the valve flap is prolonged, and the service life of the valve flap is prolonged.

The utility model discloses a theory of operation and use flow: the Y-shaped check valve is composed of a first valve pipe 1 and a second valve pipe 2, the first valve pipe 1 is a pipe body in the whole, bolt caps 17 are arranged at two ends and are used for connecting a water pipe, as can be known from the figure, the part of the valve clack 9 is a water inlet, the other end of the valve clack 9 is a water outlet, the bolt cap 17 can also be known as the bolt cap 17 according to the name because the bolt cap is internally provided with a thread 18, the inner wall of the first valve pipe 1 is also provided with a partition block 21 which is used for partitioning the water flow impacted by the water inlet, when the water flow impacts the valve clack 9 in the second valve pipe 2, the valve clack 9 is supported by a force, the outer layer of the valve clack 9 is wrapped by a rubber ring 10 which is used for protecting the valve clack 9 and can be opened and closed for a plurality of times and can impact a baffle plate 15 at the bottom of the second valve pipe 2, the rubber ring 10 can effectively protect the valve clack 9, when a backflow phenomenon occurs, the backflow water is applied to the valve clack 9, the current-limiting spring 8 is stressed unevenly, the current-limiting spring can be automatically closed, the valve flap 9 falls, the arranged rubber ring 10 is closed with the inner wall of the second valve pipe 2 and is closed with a baffle 15 at the bottom of the second valve pipe 2, the sealing performance of the valve flap is better, backflow cannot be generated, meanwhile, a first telescopic rod 11 and a second telescopic rod 12 are arranged between the valve flap 9 and the rubber ring 10, a pressure reducing spring 13 is arranged inside the first telescopic rod 11, only the rubber ring 10 cannot be protected due to repeated circulation, the added first telescopic rod 11 and the second telescopic rod 12 can effectively protect the valve flap 9, the service life of the valve flap 9 is prolonged, the service life of the valve flap is longer, meanwhile, water pressure impacts the valve flap 9 on the second connecting column 20, a second connecting plate 19 connected with the second connecting column 20 applies pressure to the rubber spring 7 and the current-limiting spring 8, the rubber spring 7 and the current-limiting spring 8 are compressed, and when impact force reaches the force of the current-limiting spring 8, the valve clack 9 will rise, and rivers get into the running water mouth 16 and get into the delivery port through the running water mouth 16 of design again, and the first connecting plate 6 that sets up and first connector post 5 give a downward power to current-limiting spring 8 and rubber spring 7, make its more stable, and valve gap 3 threaded connection sealing washer 4 that sets up makes it more sealed, can not make the rivers flow through the top and flow out.

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. A Y-check valve facilitating sealing, comprising a first valve tube (1) and a second valve tube (2), characterized in that: a sealing ring (4) is fixedly connected to the top of one end of the second valve pipe (2), a valve cover (3) is in threaded connection with the inner wall of the sealing ring (4), a first connecting column (5) is fixedly connected to the outer wall of the bottom of the valve cover (3), a first connecting plate (6) is fixedly connected to the outer wall of the bottom of the first connecting column (5), a rubber spring (7) is fixedly connected to the outer wall of the first connecting plate (6), a current-limiting spring (8) is fixedly connected to the outer wall of the bottom of the first connecting plate (6), a second connecting plate (19) is fixedly connected to the outer wall of the bottom of the current-limiting spring (8), the outer wall of the bottom of the rubber spring (7) is fixedly connected to the outer wall of the second connecting plate (19), a second connecting column (20) is fixedly connected to the outer wall of the second connecting plate (19), and a valve flap (9) is fixedly connected to the outer wall of the second connecting column (20), the outer wall fixedly connected with of valve clack (9) first telescopic link (11), flexible groove (14) have been seted up to one side outer wall of first telescopic link (11), the inner wall fixedly connected with in flexible groove (14) subtracts pressure spring (13), subtract one end fixedly connected with second telescopic link (12) of pressure spring (13), the one end fixedly connected with rubber circle (10) of second telescopic link (12).

2. A Y-check valve for facilitating sealing as claimed in claim 1, wherein: the outer wall of second spliced pole (20) runs through the inner wall of rubber circle (10), the inner wall of rubber circle (10) and the outer wall of valve clack (9) are through first telescopic link (11), second telescopic link (12) sliding connection who sets up.

3. A Y-check valve for facilitating sealing as claimed in claim 1, wherein: the inner wall of the first telescopic rod (11) is movably connected with the outer wall of the second telescopic rod (12) through a pressure reducing spring (13).

4. A Y-check valve for facilitating sealing as claimed in claim 1, wherein: the outer wall of second valve pipe (2) runs through the inner wall of first valve pipe (1), the inner wall fixedly connected with of first valve pipe (1) separates break block (21), the outer wall that separates break block (21) and the outer wall fixed connection of second valve pipe (2), the bottom fixedly connected with baffle (15) of second valve pipe (2).

5. A Y-check valve for facilitating sealing as claimed in claim 1, wherein: the two ends of the outer wall of the first valve pipe (1) are fixedly connected with bolt caps (17), and the inner wall of each bolt cap (17) is provided with a thread (18).

6. A Y-check valve for facilitating sealing as claimed in claim 1, wherein: the outer walls of the first valve pipe (1) and the second valve pipe (2) are respectively provided with a water flowing port (16), and the outer wall of the first valve pipe (1) is communicated with the outer wall of the second valve pipe (2) through the arranged water flowing port (16).