CN212804338U

CN212804338U - Ball valve body with wear resistance

Info

Publication number: CN212804338U
Application number: CN202021119672.1U
Authority: CN
Inventors: 孙红星
Original assignee: Binhai Yida Casting Co ltd
Current assignee: Binhai Yida Casting Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-03-26
Anticipated expiration: 2030-06-17

Abstract

The utility model relates to the technical field of ball valves, and discloses a ball valve body with wear resistance, which comprises a first valve body and a second valve body, wherein the second valve body is bolted on the left side of the first valve body, the first valve body comprises a wear-resistant layer, a reinforcing layer and an inner surface layer, a liquid outlet is arranged on the right side of the first valve body, and a fixed seat is integrally processed at the center of the top of the first valve body; the utility model discloses a wearing layer, the enhancement layer, the internal surface layer, the spheroid case, the disk seat, the setting of filter screen and sealed pad, simple to use has, the wearability is high, effectively promoted the structural strength of valve body, and can filter the particulate matter in the fluid, thereby prolong self life's advantage, solved present ball valve when long-term the use, its outside easily receives the erosion of rainwater or other liquid, the inside of valve body easily receives the wearing and tearing of particulate matter in the fluid simultaneously, lead to the problem that valve body life shortened by a wide margin.

Description

Ball valve body with wear resistance

Technical Field

The utility model relates to a ball valve technical field specifically is a ball valve body with wearability.

Background

The valve is a control part in a fluid conveying system, has the functions of stopping, regulating, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, is used for the valve of the fluid control system, and has quite a plurality of varieties and specifications from the simplest stop valve to various valves used in an extremely complicated automatic control system. The ball valve is a common valve used in pipelines of chemical industry, gas transportation, urban gas supply and tap water supply, and has the advantages of simple structure, reliable opening and closing and long service life.

Present ball valve is when long-term the use, and its outside easily receives the erosion of rainwater or other liquid, and the inside of valve body easily receives the wearing and tearing of particulate matter in the fluid simultaneously, leads to the life of valve body itself to shorten by a wide margin, and we propose for this reason one kind simple to use, wearability height, effectively promoted the structural strength of valve body, and can filter the particulate matter in the fluid to this problem is solved to extension self life's ball valve body.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ball valve body with wearability, possess simple to use, the wearability is high, has effectively promoted the structural strength of valve body, and can filter the particulate matter in the fluid to extension self life's advantage has solved present ball valve when long-term the use, and its outside easily receives the erosion of rainwater or other liquid, and the inside of valve body easily receives the wearing and tearing of particulate matter in the fluid simultaneously, leads to the problem that valve body life shortened by a wide margin.

In order to achieve the above object, the utility model provides a following technical scheme: a ball valve body with wear resistance comprises a first valve body and a second valve body, wherein the second valve body is bolted on the left side of the first valve body, the first valve body comprises a wear-resistant layer, a reinforcing layer and an inner surface layer, a liquid outlet is formed in the right side of the first valve body, a fixing seat is integrally processed in the center of the top of the first valve body, a valve cover is arranged at the top of the fixing seat and is in threaded connection with the inner wall of the fixing seat, a ball valve core is arranged in an inner cavity of the first valve body, a valve rod is bolted at the top of the ball valve core, the valve rod penetrates through the first valve body and the valve cover and extends to the top of the valve cover, a rotary disc is fixedly arranged at the top of the valve rod, valve seats are arranged on the left side and the right side of the ball valve core, a fixing frame and a sealing gasket are respectively bolted in an inner cavity of the second valve, and the sealing gasket is tightly attached to the port of the second valve body.

Preferably, the wear-resistant layer is formed by spray welding of nickel-based alloy, the surface of the wear-resistant layer is coated with an anticorrosive coating, the reinforcing layer is located between the inner surface layer and the wear-resistant layer, the reinforcing layer is formed by hot pressing of carbon steel materials, and the inner surface layer is formed by pouring stainless steel materials.

Preferably, one side of the valve seat, which is far away from the spherical valve core, is provided with a valve seat sealing surface, the valve seat sealing surfaces are symmetrically distributed, the valve seat sealing surfaces are tightly attached to the liquid outlet and the second valve body respectively, and the valve seat sealing surface is formed by compounding polytetrafluoroethylene and nickel-based alloy.

Preferably, a through groove is formed in the spherical valve core, the opening of the through groove is circular, a spherical cambered surface is arranged on the surface of the valve seat, and the spherical valve core is in sliding connection with the valve seat through the spherical cambered surface.

Preferably, the left end and the right end of the liquid outlet of the second valve body are bolted with flange plates, threaded holes are formed in the surfaces of the flange plates and are distributed annularly, and internal threads are formed in the inner wall of the second valve body and the inner wall of the liquid outlet.

Preferably, the surface cover of valve rod is equipped with the sealing ring, the sealing ring is located the inner chamber of fixing base, and the inner wall sliding connection of sealing ring and fixing base, the sealing ring is made by the metal rubber material.

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

the utility model discloses a wearing layer, the enhancement layer, the internal surface layer, the spheroid case, the disk seat, the setting of filter screen and sealed pad, simple to use has, the wearability is high, effectively promoted the structural strength of valve body, and can filter the particulate matter in the fluid, thereby prolong self life's advantage, solved present ball valve when long-term the use, its outside easily receives the erosion of rainwater or other liquid, the inside of valve body easily receives the wearing and tearing of particulate matter in the fluid simultaneously, lead to the problem that valve body life shortened by a wide margin.

Drawings

FIG. 1 is a schematic sectional view of the structure of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic view of a first valve body structure of the present invention;

fig. 4 is a perspective view of the present invention.

In the figure: 1. a first valve body; 101. a wear layer; 102. a reinforcing layer; 103. an inner surface layer; 2. a second valve body; 3. a liquid outlet; 4. a fixed seat; 5. a valve cover; 6. a spherical valve core; 7. a valve stem; 8. a turntable; 9. a valve seat; 10. a fixing frame; 11. a filter screen; 12. a gasket; 13. a valve seat sealing surface; 14. a through groove; 15. a flange plate; 16. a threaded hole; 17. an internal thread; 18. and (4) a sealing ring.

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, a ball valve body with wear resistance comprises a first valve body 1 and a second valve body 2, the second valve body 2 is bolted on the left side of the first valve body 1, the first valve body 1 comprises a wear-resistant layer 101, a reinforcing layer 102 and an inner surface layer 103, a liquid outlet 3 is arranged on the right side of the first valve body 1, a fixed seat 4 is integrally processed at the center of the top of the first valve body 1, a valve cover 5 is arranged on the top of the fixed seat 4, the valve cover 5 is in threaded connection with the inner wall of the fixed seat 4, a ball valve core 6 is arranged in an inner cavity of the first valve body 1, a valve rod 7 is bolted on the top of the ball valve core 6, the valve rod 7 penetrates through the first valve body 1 and the valve cover 5 and extends to the top of the valve cover 5, a rotary table 8 is fixedly arranged on the top of the valve rod 7, valve seats 9 are arranged on the left side, the filter screen 11 is embedded in the fixed frame 10, the sealing gasket 12 is located between the second valve body 2 and the fixed frame 10, the sealing gasket 12 is tightly attached to the port of the second valve body 2, the wear-resistant layer 101 is arranged, the reinforcing layer 102 is arranged on the reinforcing layer, the inner surface layer 103 is arranged on the inner surface layer, the ball valve core 6 is arranged on the ball body, the valve seat 9 is arranged on the filter screen 11 and the sealing gasket 12, the valve is simple to use and high in wear resistance, the structural strength of the valve body is effectively improved, particulate matters in the fluid can be filtered, the service life of the valve body is prolonged, the problem that the existing ball valve is used for a long time, the outer part of the existing ball valve is easily corroded by rainwater or other liquids is solved, meanwhile, the.

Referring to fig. 1 and 3, the wear-resistant layer 101 is formed by spray welding nickel-based alloy, an anti-corrosion coating is coated on the surface of the wear-resistant layer 101, the reinforcing layer 102 is located between the inner surface layer 103 and the wear-resistant layer 101, the reinforcing layer 102 is formed by hot pressing carbon steel materials, the inner surface layer 103 is formed by pouring stainless steel materials, and by arranging the wear-resistant layer 101, the reinforcing layer 102 and the inner surface layer 103, the wear resistance and the corrosion resistance of the ball valve can be improved, so that the structural strength of the ball valve is improved, and the service life of the ball valve is prolonged.

Referring to fig. 1 and 2, a valve seat sealing surface 13 is disposed on one side of the valve seat 9 away from the ball valve element 6, the valve seat sealing surfaces 13 are symmetrically distributed, the valve seat sealing surfaces 13 are respectively tightly attached to the liquid outlet 3 and the second valve body 2, the valve seat sealing surface 13 is formed by compounding polytetrafluoroethylene and a nickel-based alloy, and by disposing the valve seat sealing surface 13, the sealing effect of the valve seat 9 can be increased, and it is ensured that the ball valve does not leak.

Referring to fig. 1, a through groove 14 is formed in the ball valve core 6, the opening of the through groove 14 is circular, a spherical arc surface is formed on the surface of the valve seat 9, the ball valve core 6 is slidably connected with the valve seat 9 through the spherical arc surface, and the through groove 14 is formed to facilitate rotation of the ball valve core 6, so as to control the flow rate.

Referring to fig. 1 and 4, flanges 15 are bolted to the left end of the second valve body 2 and the right end of the liquid outlet 3, threaded holes 16 are formed in the surface of the flange 15, the threaded holes 16 are distributed annularly, internal threads 17 are formed in the inner wall of the second valve body 2 and the inner wall of the liquid outlet 3, the flange 15, the threaded holes 16 and the internal threads 17 are arranged, so that the ball valve can be conveniently mounted and dismounted, and the sealing performance between the ball valve and a pipeline can be improved.

Referring to fig. 1, a sealing ring 18 is sleeved on the surface of the valve rod 7, the sealing ring 18 is located in the inner cavity of the fixing seat 4, the sealing ring 18 is slidably connected with the inner wall of the fixing seat 4, the sealing ring 18 is made of metal rubber, and by arranging the sealing ring 18, the sealing performance between the valve rod 7 and the first valve body 1 can be effectively improved, and fluid seepage is prevented.

The working principle is as follows: when the ball valve is used, firstly, the ball valve and a pipeline are installed and butted through the flange plate 15 and the internal thread 17, then, a fluid medium passes through the pipeline, the fluid medium enters the inside of the ball valve from the second valve body 2, particulate matters in the fluid can be filtered by the filter screen 11, impurities in the fluid medium can be removed, contact abrasion between the ball valve core 6 and the particulate matters can be avoided, meanwhile, the sealing gasket 12 can ensure the sealing performance between the second valve body 2 and the fixed frame 10, the particulate matters can be prevented from passing through gaps, when the flow of the fluid medium needs to be changed, the rotary disc 8 can be adjusted, the rotary disc 8 can drive the valve rod 7 to rotate, then the valve rod 7 drives the ball valve core 6 to rotate, so that the communication area between the through groove 14 and the valve seat 9 can be changed, the flow of the fluid can be adjusted, and under the action of the wear-resistant layer, prevent ball valve and foreign object friction damage, and make the ball valve have better corrosion resisting property, and then prolonged ball valve life.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 ball valve body with wearability, includes first valve body (1) and second valve body (2), its characterized in that: the second valve body (2) is bolted on the left side of the first valve body (1), the first valve body (1) comprises a wear-resistant layer (101), a reinforcing layer (102) and an inner surface layer (103), a liquid outlet (3) is formed in the right side of the first valve body (1), a fixed seat (4) is integrally processed in the center of the top of the first valve body (1), a valve cover (5) is arranged on the top of the fixed seat (4), the valve cover (5) is in threaded connection with the inner wall of the fixed seat (4), a spherical valve core (6) is arranged in an inner cavity of the first valve body (1), a valve rod (7) is bolted on the top of the spherical valve core (6), the valve rod (7) penetrates through the first valve body (1) and the valve cover (5) and extends to the top of the valve cover (5), a rotary disc (8) is fixedly installed on the top of the valve rod (7), and valve seats (9) are arranged on, the inner chamber of second valve body (2) is bolted connection respectively has fixed frame (10) and sealed pad (12), the inside of fixed frame (10) is inlayed and is equipped with filter screen (11), sealed pad (12) are located between second valve body (2) and fixed frame (10), and sealed pad (12) and the inseparable laminating of second valve body (2) port.

2. A wear resistant ball valve body as claimed in claim 1, wherein: the wear-resistant layer (101) is formed by spray welding of nickel-based alloy, an anti-corrosion coating is coated on the surface of the wear-resistant layer (101), the reinforcing layer (102) is located between the inner surface layer (103) and the wear-resistant layer (101), the reinforcing layer (102) is formed by hot pressing of carbon steel materials, and the inner surface layer (103) is formed by pouring stainless steel materials.

3. A wear resistant ball valve body as claimed in claim 1, wherein: one side of the valve seat (9) far away from the spherical valve core (6) is provided with a valve seat sealing surface (13), the valve seat sealing surfaces (13) are symmetrically distributed, the valve seat sealing surfaces (13) are tightly attached to the liquid outlet (3) and the second valve body (2) respectively, and the valve seat sealing surfaces (13) are formed by compounding polytetrafluoroethylene and nickel-based alloy.

4. A wear resistant ball valve body as claimed in claim 1, wherein: a through groove (14) is formed in the ball valve core (6), the opening of the through groove (14) is circular, a spherical cambered surface is arranged on the surface of the valve seat (9), and the ball valve core (6) is connected with the valve seat (9) in a sliding mode through the spherical cambered surface.

5. A wear resistant ball valve body as claimed in claim 1, wherein: the left end of second valve body (2) and liquid outlet (3) right-hand member all are bolted connection to have ring flange (15), screw hole (16) are seted up on the surface of ring flange (15), and screw hole (16) are the annular and distribute, the inner wall of second valve body (2) and the inner wall of liquid outlet (3) all are provided with internal thread (17).

6. A wear resistant ball valve body as claimed in claim 1, wherein: the surface cover of valve rod (7) is equipped with sealing ring (18), sealing ring (18) are located the inner chamber of fixing base (4), and sealing ring (18) and the inner wall sliding connection of fixing base (4), sealing ring (18) are made by the metal rubber material.