CN217177434U

CN217177434U - Pressure adjustable check valve for sewage discharge

Info

Publication number: CN217177434U
Application number: CN202220069337.8U
Authority: CN
Inventors: 韩勇; 余正可
Original assignee: Shanghai Huadian Valve Group Co ltd
Current assignee: Shanghai Huadian Valve Group Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-08-12
Anticipated expiration: 2032-01-12

Abstract

The utility model discloses a pressure adjustable check valve for blowdown, which comprises a valve body, wherein one end of the valve body is fixedly connected with a liquid inlet pipe, the other end of the valve body is fixedly connected with a liquid outlet pipe, the lower position outside the valve body is fixedly connected with a blowdown pipe, the upper position outside the valve body is fixedly connected with an installation footstock, and an adjusting screw rod is arranged inside the installation footstock, belonging to the technical field of check valves, the utility model has the advantages of scientific and reasonable structure, and can avoid the damage caused by the upward movement of an adjusting column and the rapid collision of the adjusting screw rod due to the overhigh water pressure through the arranged pressure adjusting mechanism, and also adjust the sewage pressure entering the valve body, thereby improving the pressure adjustability of the check valve when in use, facilitating the collection and cleaning of the sewage when the check valve is in use through the arranged high-efficiency blowdown mechanism, and improving the cleaning function of the check valve when in use, the check valve can avoid blockage in use.

Description

Pressure adjustable check valve for sewage discharge

Technical Field

The utility model relates to a check valve technical field specifically is based on check valve with adjustable pressure for the blowdown.

Background

The check valve is used as a mechanical part capable of preventing the reverse movement of fluid and is widely used in mechanical equipment needing to control the flow direction of the fluid, for example, mercury sphygmomanometer and other air inflation equipment with an air bag can use the check valve, in the Chinese patent with the patent number of 201920468585.8, a check valve membrane and a check valve are specifically mentioned, the check valve comprises a membrane body and a soft annular flange arranged on one end face of the membrane body, the utility model discloses the check valve membrane is attached more tightly, the sealing effect of the check valve membrane is enhanced, and particles such as dust or fine sand particles are reduced to be attached to the probability between the soft annular flange and the air inlet end face.

However, when the check valve is used, the pressure of the liquid entering the check valve is relatively fixed, and the pressure of the liquid entering the check valve cannot be adjusted according to actual conditions, so that the adjustment of liquid discharge is easily affected, and the existing use requirements are difficult to meet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a check valve with adjustable pressure based on blowdown to the liquid that proposes in solving above-mentioned background art gets into the inside pressure of check valve and is comparatively fixed, can't adjust the inside fluid pressure who gets into the check valve according to actual conditions, and the adjustment that discharges is carried out to liquid to the influence consequently easily, is difficult to satisfy current user demand's problem.

In order to solve the technical problem, the utility model provides a following technical scheme: the pressure-adjustable check valve for sewage discharge comprises a valve body, wherein one end of the valve body is fixedly connected with a liquid inlet pipe, the other end of the valve body is fixedly connected with a liquid outlet pipe, a sewage discharge pipe is fixedly connected to the lower position of the outer side of the valve body, a pressure adjusting mechanism is installed at the upper position of the outer side of the valve body, and the pressure adjusting mechanism comprises an installation top seat, an adjusting screw rod, an adjusting rotating handle, a placing groove, an adjusting column, a buffer spring, a contact circular plate, an overturning cover plate and a contact block;

the valve comprises a valve body, a valve seat, a valve body, a liquid inlet pipe, a liquid outlet pipe, a liquid inlet pipe, a liquid outlet pipe, a liquid inlet pipe, a liquid outlet pipe and a liquid outlet pipe, wherein a liquid inlet pipe is arranged on the liquid outlet pipe;

the efficient sewage draining mechanism comprises a sewage draining plug, a containing groove, a penetrating rod, a filter screen, a contact ring and a limiting plate;

the blowdown stopper has been placed to the inside of blow off pipe, accomodate the recess has been seted up on the top of blowdown stopper, the top center department of blowdown stopper runs through to install and runs through the pole, the top fixedly connected with filter screen that runs through the pole, the outside fixedly connected with contact ring of filter screen, the outside that runs through the pole corresponds blowdown stopper below position department fixedly connected with limiting plate.

Preferably, the adjusting screw is in threaded connection with the mounting top seat, and the outer side of the contact circular plate is in contact with the inner wall of the contact block.

Preferably, the outer side of the turnover cover plate is in contact with the inner wall of the valve body, and the outer side of the turnover cover plate is sleeved with a rubber gasket.

Preferably, a sealing gasket is arranged at the joint of the penetrating rod and the sewage draining plug, and the diameter of the contact ring is smaller than that of the inner wall of the accommodating groove.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. through the pressure adjustment mechanism who sets up, can be with contact plectane and contact piece separation for in sewage from feed liquor pipe admission valve body, also can cushion when shifting up the contact plectane, avoid water pressure too big, lead to the adjustment post to shift up and produce the damage with adjusting screw quick collision, the angle of the upset apron of being convenient for adjust can adjust the sewage pressure that gets into in the valve body, pressure adjustability when having improved this check valve and using.

2. Through the high-efficient sewerage agencies who sets up, can move down the filth in the valve body to accomodating the recess in, can collect the inside filth of valve body, also can clear up the filth after collecting, the filth collection and the clearance when being convenient for this check valve uses have improved the function of decontaminating when this check valve uses, appear the jam condition when avoiding this check valve to use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram of a pressure-adjustable check valve for sewage disposal according to the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is a schematic structural diagram of the pressure adjustment mechanism of the present invention;

FIG. 4 is a schematic structural view of the high-efficiency sewage draining mechanism of the present invention;

in the figure: 1. a valve body; 2. a liquid inlet pipe; 3. a liquid outlet pipe; 4. a sewage discharge pipe;

5. a pressure adjustment mechanism; 501. installing a top seat; 502. adjusting the screw rod; 503. adjusting the rotating handle; 504. placing a groove; 505. adjusting the column; 506. a buffer spring; 507. a contact circular plate; 508. turning over the cover plate; 509. a contact block;

6. a high-efficiency sewage draining mechanism; 601. a pollution discharge plug; 602. a receiving groove; 603. penetrating the rod; 604. a filter screen; 605. a contact ring; 606. and a limiting plate.

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. 1-4, the present invention provides a technical solution: the pressure-adjustable check valve for sewage discharge comprises a valve body 1, wherein one end of the valve body 1 is fixedly connected with a liquid inlet pipe 2, the other end of the valve body 1 is fixedly connected with a liquid outlet pipe 3, a sewage discharge pipe 4 is fixedly connected to the lower position of the outer side of the valve body 1, a pressure adjusting mechanism 5 is installed at the upper position of the outer side of the valve body 1, and the pressure adjusting mechanism 5 comprises an installation top seat 501, an adjusting screw rod 502, an adjusting rotating handle 503, a placing groove 504, an adjusting column 505, a buffer spring 506, a contact circular plate 507, a turnover cover plate 508 and a contact block 509;

an installation top seat 501 is fixedly connected at the upper position of the outer side of the valve body 1, an adjusting screw 502 is placed at the inner side of the installation top seat 501, an adjusting rotating handle 503 is fixedly connected at the top end of the adjusting screw 502, a placing groove 504 is formed in the adjusting screw 502, an adjusting column 505 is placed at the inner side of the placing groove 504, a buffer spring 506 is sleeved at the outer side of the placing groove 504, a contact circular plate 507 is fixedly connected at the bottom end of the placing groove 504, an overturning cover plate 508 is rotatably installed at the position, corresponding to the liquid inlet pipe 2, of the inner wall of the valve body 1, one end of the overturning cover plate 508 is fixedly connected with a contact block 509, the adjusting screw 502 is in threaded connection with the installation top seat 501, the outer side of the contact circular plate 507 is in contact with the inner wall of the contact block 509, relative movement is generated between the adjusting screw 502 and the installation top seat 501 when the adjusting screw is rotated, the outer side of the overturning cover plate 508 is in contact with the inner wall of the valve body 1, a rubber gasket is sleeved at the outer side of the overturning cover plate 508, the sealability when the flip cover 508 is brought into contact with the valve body 1 is improved.

The inside of the sewage discharge pipe 4 is provided with a high-efficiency sewage discharge mechanism 6, and the high-efficiency sewage discharge mechanism 6 comprises a sewage discharge plug 601, a containing groove 602, a penetrating rod 603, a filter screen 604, a contact ring 605 and a limiting plate 606;

blowdown stopper 601 has been placed to the inside of blow off pipe 4, accomodate recess 602 has been seted up on the top of blowdown stopper 601, the top center department of blowdown stopper 601 runs through to install and runs through pole 603, the top fixedly connected with filter screen 604 that runs through pole 603, the outside fixedly connected with contact ring 605 of filter screen 604, the outside that runs through pole 603 corresponds blowdown stopper 601 below position department fixedly connected with limiting plate 606, seal ring is installed with the junction of blowdown stopper 601 to run through pole 603, the diameter of contact ring 605 is less than the inner wall diameter of accomodating recess 602, the leakproofness of running through pole 603 and blowdown stopper 601 junction has been improved.

The utility model discloses a theory of operation: when the pressure adjustable check valve for sewage disposal is used, the adjusting rotating handle 503 can be rotated to drive the adjusting screw 502 to rotate, and the adjusting screw 502 can move along the mounting top seat 501 when rotating in combination with the threaded connection between the adjusting screw 502 and the mounting top seat 501, and drives the adjusting column 505 and the contact circular plate 507 to move upwards, so that the contact circular plate 507 is separated from the contact block 509, thereby enabling the sewage to enter the valve body 1 from the liquid inlet pipe 2, when the contact circular plate 507 moves upwards, the buffer spring 506 arranged on the outer side of the adjusting column 505 is combined to buffer the contact circular plate 507 when moving upwards, so as to avoid damage caused by rapid collision of the adjusting column 505 moving upwards and the adjusting screw 502 due to overlarge water pressure, facilitate the adjustment of the angle of the turnover cover plate 508 according to the actual use condition, therefore, the pressure of sewage entering the valve body 1 can be adjusted, and the pressure adjustability of the check valve in use is improved;

when this check valve with adjustable pressure uses based on blowdown, can shift up and run through pole 603, it shifts up to drive filter screen 604, can contact the filth in the valve body 1, move down and run through pole 603 afterwards, it moves down to drive filter screen 604, can drive the filth in the valve body 1 and move down to accomodating in the recess 602, be convenient for collect the filth of valve body 1 inside, after the use can be taken down blowdown stopper 601, filth after collecting is cleared up, the filth collection and the clearance when being convenient for this check valve uses, the function of decontaminating when having improved this check valve and using, the jam condition appears when avoiding this check valve to use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Based on check valve with adjustable blowdown is with pressure, including valve body (1), its characterized in that: one end of the valve body (1) is fixedly connected with a liquid inlet pipe (2), the other end of the valve body (1) is fixedly connected with a liquid outlet pipe (3), a sewage discharge pipe (4) is fixedly connected to the lower position of the outer side of the valve body (1), a pressure adjusting mechanism (5) is installed at the upper position of the outer side of the valve body (1), and the pressure adjusting mechanism (5) comprises an installation top seat (501), an adjusting screw rod (502), an adjusting rotating handle (503), a placing groove (504), an adjusting column (505), a buffer spring (506), a contact circular plate (507), a turnover cover plate (508) and a contact block (509);

an installation top seat (501) is fixedly connected to the upper position of the outer side of the valve body (1), an adjusting screw rod (502) is placed on the inner side of the installation top seat (501), an adjusting rotating handle (503) is fixedly connected to the top end of the adjusting screw rod (502), a placing groove (504) is formed in the adjusting screw rod (502), an adjusting column (505) is placed on the inner side of the placing groove (504), a buffer spring (506) is sleeved on the outer side of the placing groove (504), a contact circular plate (507) is fixedly connected to the bottom end of the placing groove (504), a turnover cover plate (508) is rotatably installed on the inner wall of the valve body (1) corresponding to the position of the liquid inlet pipe (2), and a contact block (509) is fixedly connected to one end of the turnover cover plate (508);

the efficient sewage draining mechanism (6) is installed inside the sewage draining pipe (4), and the efficient sewage draining mechanism (6) comprises a sewage draining plug (601), a containing groove (602), a through rod (603), a filter screen (604), a contact ring (605) and a limiting plate (606);

blowdown stopper (601) have been placed to the inside of blow off pipe (4), accomodate recess (602) have been seted up on the top of blowdown stopper (601), the top center department of blowdown stopper (601) runs through to install and runs through pole (603), the top fixedly connected with filter screen (604) of running through pole (603), the outside fixedly connected with contact ring (605) of filter screen (604), the outside of running through pole (603) corresponds blowdown stopper (601) lower position department fixedly connected with limiting plate (606).

2. The pressure adjustable check valve for blowdown according to claim 1, wherein: the adjusting screw rod (502) is connected with the mounting top seat (501) through threads, and the outer side of the contact circular plate (507) is in contact with the inner wall of the contact block (509).

3. The pressure adjustable check valve for blowdown according to claim 1, wherein: the outer side of the turnover cover plate (508) is in contact with the inner wall of the valve body (1), and the outer side of the turnover cover plate (508) is sleeved with a rubber gasket.

4. The pressure adjustable check valve for blowdown according to claim 1, wherein: a sealing gasket is arranged at the joint of the penetrating rod (603) and the sewage plug (601), and the diameter of the contact ring (605) is smaller than that of the inner wall of the accommodating groove (602).