CN217272135U

CN217272135U - Fatigue-resistant silencing check valve with good sealing performance

Info

Publication number: CN217272135U
Application number: CN202221198075.1U
Authority: CN
Inventors: 樊仕平
Original assignee: Hengshui Jichang Machinery Equipment Co Ltd
Current assignee: Hengshui Jichang Machinery Equipment Co Ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-08-23
Anticipated expiration: 2032-05-18

Abstract

The utility model discloses a fatigue-resistant type noise elimination check valve with good sealing performance, which comprises a valve body, wherein a wear-resistant hard layer is arranged inside the valve body, the inner wall of the wear-resistant hard layer is provided with a filling toughened layer, the inner wall of the filling toughened layer is connected with a noise elimination layer, the inner wall of the noise elimination layer is connected with a corrosion-resistant layer, two ends of the valve body are connected with a sealing butt ring, the bottom of the valve body is connected with a base, the inner side of the base is provided with a through hole in a penetrating way, the top of the valve body is connected with a joint, the center of the joint is provided with a liquid outlet, one side of the valve body is connected with a cleaning pipe, the inner wall of the cleaning pipe is connected with a piston, the center of the base is provided with a valve clack, the center of the valve clack is connected with a flow guide sleeve, the outer wall of the flow guide sleeve is provided with a spring, a valve seat is arranged above the spring, in the utility model, the mutual matching of the inner valve clack and the flow guide sleeve is utilized through the combined action of the structure connected with the valve body, the sealing performance of the check valve is better, and the check valve is easy to clean when blocked, so that the check valve is more practical.

Description

Fatigue-resistant silencing check valve with good sealing performance

Technical Field

The utility model relates to a check valve field especially relates to a good tired type noise elimination check valve of leakproofness.

Background

The silencing check valve is a valve which is used for preventing medium from flowing backwards by means of the flowing of the medium, and is also called a check valve, a one-way valve, a silencing check valve back-flow valve and a back pressure valve.

There are the following problems:

the existing check valve is single in structure, poor in using effect, long in service life, poor in sealing performance, poor in non-return performance and not easy to clean.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a good-tightness sound-damping check valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a good fatigue-resistant type noise elimination check valve of leakproofness, includes the valve body, the inside of valve body is provided with wear-resisting stereoplasm layer, the inner wall on wear-resisting stereoplasm layer is provided with fills the ossification layer, the inner wall connection that fills the ossification layer has the noise damping layer, the inner wall connection on noise damping layer has corrosion resistant layer, the both ends of valve body are connected with sealed butt ring, the bottom of valve body is connected with the base, the base inboard runs through and is provided with the through-hole, the top of valve body is connected with the joint, the center department that connects is provided with the liquid outlet, one side of valve body is connected with the clearance pipe, the inner wall connection of clearance pipe has the piston, the center department of base is provided with the valve clack, the center department of valve clack is connected with the water conservancy diversion cover, the outer wall of water conservancy diversion cover is provided with the spring, the top of spring is provided with the disk seat.

As a further description of the above technical solution:

the valve body is characterized in that a wear-resistant hard layer is fixedly arranged inside the valve body, and the inner wall of the wear-resistant hard layer is welded with the filling steel layer.

As a further description of the above technical solution:

the inner wall of the filling toughening layer is fixedly connected with the silencing layer, and the inner wall of the silencing layer is fixedly connected with the corrosion-resistant layer.

As a further description of the above technical solution:

the both ends and the sealed butt joint ring threaded connection of valve body, the bottom of valve body even with base threaded connection, the inboard fixed through-hole that is provided with of base, the quantity of through-hole is a plurality of groups.

As a further description of the above technical solution:

the top of the valve body is in threaded connection with the connector, a U-shaped seat is arranged at the center of the interior of the connector, and a liquid outlet is fixedly arranged at the center of the connector.

As a further description of the above technical solution:

one side of the valve body is fixedly connected with the cleaning pipe, the inner wall of the cleaning pipe is in threaded connection with the piston, and the valve clack is fixedly arranged at the center of the base.

As a further description of the above technical solution:

the center of the valve clack is fixedly connected with the flow guide sleeve, the outer wall of the flow guide sleeve is welded with the spring, and the upper part of the spring is movably connected with the valve seat.

The utility model discloses following beneficial effect has:

the valve body is provided with a wear-resistant hard layer inside through the combined action of a structure connected with the valve body, so that the check valve is more wear-resistant, the filling toughening layer arranged on the inner wall of the valve body is matched with the noise damping layer to increase the compression resistance and noise reduction performance of the valve body, so that the phenomenon of deformation and fracture of the valve body is avoided, the corrosion-resistant layer can protect the valve body from corrosion in the sewage environment, the valve clack is matched with the flow guide sleeve inside the valve body, so that the sealing performance of the check valve is better, after a medium passes through the valve clack, the valve clack can shrink towards the inside through a spring due to the thrust of water flow, the valve clack can return to the original position when the water flow decelerates, when reverse liquid flows out, the valve clack falls to block the center of the base to play a role of sealing and non-return, when the blockage needs to be cleared, the clearing pipe can be opened by using the piston to clear the valve body through water injection, the cleaning effect can be achieved without disassembly, and the cleaning tool is more practical.

Drawings

Fig. 1 is an appearance view of a fatigue-resistant type noise elimination check valve with good sealing performance;

fig. 2 is a schematic structural view of a valve body of the fatigue-resistant type noise elimination check valve with good sealing performance;

fig. 3 is a sectional view of the structure of the fatigue-resistant noise elimination check valve with good sealing performance of the present invention.

Illustration of the drawings:

1. a valve body; 2. a wear-resistant hard layer; 3. filling a toughening layer; 4. a sound-deadening layer; 5. a corrosion resistant layer; 6. sealing the docking ring; 7. a base; 8. a through hole; 9. a joint; 10. a liquid outlet; 11. cleaning the pipe; 12. a piston; 13. a valve clack; 14. a flow guide sleeve; 15. a spring; 16. a valve seat.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a fatigue-resistant type silencing check valve with good sealing performance comprises a valve body 1, a wear-resistant hard layer 2 is arranged inside the valve body 1, the valve body 1 is of a semi-arc structure and can be conveniently spliced for use, a filling toughening layer 3 is arranged on the inner wall of the wear-resistant hard layer 2, a silencing layer 4 is connected on the inner wall of the filling toughening layer 3, an anti-corrosion layer 5 is connected on the inner wall of the silencing layer 4, two ends of the valve body 1 are connected with sealing butt rings 6, the bottom of the valve body 1 is connected with a base 7, a through hole 8 is arranged on the inner side of the base 7 in a penetrating manner, a joint 9 is connected on the top of the valve body 1, a liquid outlet 10 is arranged at the center of the joint 9, a cleaning pipe 11 is connected on one side of the valve body 1, a piston 12 is connected on the inner wall of the cleaning pipe 11, a valve clack 13 is arranged at the center of the base 7, a flow guide sleeve 14 is connected at the center of the valve clack 13, and a spring 15 is arranged on the outer wall of the flow guide sleeve 14, so that the structure is more perfect, above the spring 15 a valve seat 16 is arranged.

The valve body 1 is internally and fixedly provided with a wear-resistant hard layer 2, the inner wall of the wear-resistant hard layer 2 is welded with a filling toughening layer 3, the inner wall of the filling toughening layer 3 is fixedly connected with a silencing layer 4, the inner wall of the silencing layer 4 is fixedly connected with a corrosion-resistant layer 5, the stability of the structure of the corrosion-resistant layer 5 is improved, and the falling-off phenomenon is avoided, the two ends of the valve body 1 are in threaded connection with a sealing butt joint ring 6, the bottom of the valve body 1 is in threaded connection with a base 7, the inner side of the base 7 is fixedly provided with through holes 8, the number of the through holes 8 is a plurality of groups, the top of the valve body 1 is in threaded connection with a joint 9, the center of the inside of the joint 9 is provided with a U-shaped seat, the center of the joint 9 is fixedly provided with a liquid outlet 10, one side of the valve body 1 is fixedly connected with a cleaning pipe 11, the inner wall of the cleaning pipe 11 is in threaded connection with a piston 12, the center of the base 7 is fixedly provided with a valve flap 13, the center of the valve clack 13 is fixedly connected with a flow guide sleeve 14, the outer wall of the flow guide sleeve 14 is welded with a spring 15, and the upper part of the spring 15 is movably connected with a valve seat 16.

The working principle is as follows: when the fatigue-resistant type silencing check valve with good sealing performance is used, when a pipeline needs to be repaired, the semi-arc-shaped valve body 1 can be spliced and sealed and fixed by the sealing butt-joint rings 6 at two ends to form a complete valve body 1, then a liquid outlet 10 at the center of a joint 9 of the valve body can be butted with the pipeline and is fixed by a bolt penetrating through a through hole 8 in a threaded connection way, a base 7 of the valve body can be butted and fixed with another pipeline, the fractured pipeline can be repaired for use, a wear-resistant hard layer 2 is additionally arranged in the valve body 1 to ensure that the check valve is more wear-resistant, and a filling steel layer 3 arranged on the inner wall of the valve body 1 is matched with a silencing layer 4 to ensure that the valve body 1 has higher compression resistance and noise reduction performance so as to avoid the phenomenon of deformation and fracture of the valve body 1, and the corrosion phenomenon of the valve body 1 in a sewage environment can be protected by a corrosion-resistant layer 5, when the medium enters from the center of base 7, strike valve clack 13, thereby open valve clack 13, the medium passes through valve clack 13 and enters into valve body 1, after the medium passes through, valve clack 13 can be through spring 15 shrink towards the inside because the thrust of rivers, valve clack 13 can return the normal position when rivers slow down, when reverse liquid flow appears, valve clack 13 falls and blocks the center department of base 7, thereby play sealed non return effect, when needs clearance blocks, can utilize piston 12 to open clearance pipe 11, can carry out the water injection clearance to valve body 1, make it need not to dismantle and can reach the effect of clearance.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a good endurance type of leakproofness noise elimination check valve, includes valve body (1), its characterized in that: the valve is characterized in that a wear-resistant hard layer (2) is arranged inside the valve body (1), a filling toughening layer (3) is arranged on the inner wall of the wear-resistant hard layer (2), the inner wall of the filling toughening layer (3) is connected with an silencing layer (4), the inner wall of the silencing layer (4) is connected with a corrosion-resistant layer (5), two ends of the valve body (1) are connected with a sealing butt-joint ring (6), the bottom of the valve body (1) is connected with a base (7), a through hole (8) is arranged in the inner side of the base (7) in a penetrating manner, the top of the valve body (1) is connected with a joint (9), a liquid outlet (10) is arranged at the center of the joint (9), a cleaning pipe (11) is connected to one side of the valve body (1), the inner wall of the cleaning pipe (11) is connected with a piston (12), a valve clack (13) is arranged at the center of the base (7), and a flow guide sleeve (14) is connected at the center of the valve clack (13), the outer wall of the flow guide sleeve (14) is provided with a spring (15), and a valve seat (16) is arranged above the spring (15).

2. The sound-deadening check valve with good sealing performance and fatigue resistance as set forth in claim 1, wherein: the valve is characterized in that a wear-resistant hard layer (2) is fixedly arranged inside the valve body (1), and the inner wall of the wear-resistant hard layer (2) is welded with the filling toughening layer (3).

3. The sound-deadening check valve with good sealing performance and fatigue resistance as set forth in claim 1, wherein: the inner wall of the filling toughening layer (3) is fixedly connected with the silencing layer (4), and the inner wall of the silencing layer (4) is fixedly connected with the corrosion-resistant layer (5).

4. The sound-deadening check valve with good sealing performance and fatigue resistance as set forth in claim 1, wherein: the both ends and sealed butt joint ring (6) threaded connection of valve body (1), the bottom of valve body (1) even with base (7) threaded connection, the inboard fixed through-hole (8) that is provided with of base (7), the quantity of through-hole (8) is a plurality of groups.

5. The sound-deadening check valve with good sealing performance and fatigue resistance as set forth in claim 1, wherein: the top of the valve body (1) is in threaded connection with the joint (9), a U-shaped seat is arranged at the center of the interior of the joint (9), and a liquid outlet (10) is fixedly arranged at the center of the joint (9).

6. The sound-deadening check valve with good sealing performance and fatigue resistance as set forth in claim 1, wherein: one side and the clearance pipe (11) fixed connection of valve body (1), the inner wall and piston (12) threaded connection of clearance pipe (11), the center department of base (7) is fixed and is provided with valve clack (13).

7. The sound-deadening check valve with good sealing performance and fatigue resistance as claimed in claim 1, wherein: the center of the valve clack (13) is fixedly connected with a flow guide sleeve (14), the outer wall of the flow guide sleeve (14) is welded with a spring (15), and the upper part of the spring (15) is movably connected with a valve seat (16).