CN218094446U

CN218094446U - High-temperature and high-pressure resistant check valve

Info

Publication number: CN218094446U
Application number: CN202222436588.8U
Authority: CN
Inventors: 刘长智; 郝文琪; 顾良
Original assignee: Suzhou Ponhan Valve Co ltd
Current assignee: Suzhou Ponhan Valve Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2022-12-20
Anticipated expiration: 2032-09-14

Abstract

The utility model discloses a high temperature and high pressure resistant check valve, which comprises a valve body, integrated into one piece has the disk seat on the valve body, the inside activity of valve body is provided with the valve disc, the inner wall integrated into one piece of valve body has high temperature resistant composite seat, the lid in the upper end tip position location of valve body is installed, the lid is installed in the top location of valve body, it has bolt and nut to go up to fix a position between lid and the inner cup body, the middle part location of going up the lid has rings, sealed location has solid fixed ring, liner and sealing washer between interior lid and the valve body. A high temperature and high pressure resistant check valve, be equipped with high temperature resistant composite construction and valve body location installation mechanism, can make things convenient for better inside position to the valve body to protect, have fine high temperature resistance, withstand voltage effect is excellent, improves the performance of check valve, can also make things convenient for better fix a position the installation to the check valve, be convenient for fix.

Description

High-temperature and high-pressure resistant check valve

Technical Field

The utility model relates to a valve field, in particular to high temperature and high pressure resistant check valve.

Background

The check valve is a support equipment that carries out fluid transport control, when carrying out fluid transport, need set up the valve and control opening and closing of fluid transport, and the use type of valve is more and more diversified, and wherein, the use of check valve is more common, and the piece of opening and close in the check valve is circular valve clack and produces the action by self weight and medium pressure and block the medium refluence, and along with the continuous development of science and technology, people also are higher and higher to the manufacturing process requirement of check valve.

The existing check valve has certain defects in use, firstly, when the check valve is used, the use function of the check valve is single, the check valve can only carry and control the position of fluid, the high-temperature and pressure resistant effects are poor, the use performance of the check valve is reduced, the use occasions are limited more, certain adverse effects are brought to the use process of people, and therefore the check valve with high temperature and high pressure resistance is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a high temperature and high pressure resistant check valve can make things convenient for better inside position to the valve body to protect, has fine high temperature resistance, and withstand voltage effect is excellent, improves the performance of check valve, can also make things convenient for better fix a position the installation to the check valve, is convenient for fixed, can effectively solve the problem in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the technical proposal that: the utility model provides a high temperature and high pressure resistant check valve, includes the valve body, integrated into one piece has the disk seat on the valve body, the inside activity of valve body is provided with the valve disc, the inner wall integrated into one piece of valve body has high temperature resistant composite seat, the lid in the upper end tip position location of valve body is installed, the lid is installed in the top location of valve body, it has bolt and nut to go up to fix a position between lid and the inner cup, the middle part location of going up the lid has rings, sealed location has solid fixed ring, liner and sealing washer between interior lid and the valve body.

Preferably, the outer side of the valve body is provided with a sealing filler, an end cover, a stud and a nut in a positioning mode, the inner side of the end cover is provided with a hinge pin in a positioning mode, and the end portion of the hinge pin is movably provided with a shaft body.

Preferably, the high-temperature-resistant composite seat is integrally formed with a high-temperature-resistant inorganic material, a high-temperature-resistant heat-insulating sheet and a nickel-based alloy sheet, the high-temperature-resistant heat-insulating sheet is located on the surface of the high-temperature-resistant inorganic material, and the nickel-based alloy sheet is located on the surface of the high-temperature-resistant heat-insulating sheet.

Preferably, the outer side of the valve body is positioned and installed between the stud and the nut and between the sealing filler and the end cover, the hinge pin rotates and moves at the position on the inner side of the end cover, and the end part of the hinge pin is positioned between the shaft body and the end cover.

Preferably, the high-temperature-resistant composite seat is integrally positioned in the inner position of the valve body, and the high-temperature-resistant inorganic material, the high-temperature-resistant heat-insulation heat-preservation sheet and the nickel-based alloy sheet are integrally formed through casting.

Preferably, through sealed location between solid fixed ring, liner, the sealing washer between valve body and the inner cup body, go up the lid and fix a position through between bolt, nut and the inner cup body, integrated into one piece between valve body and the disk seat.

(III) advantageous effects

Compared with the prior art, the utility model provides a high temperature and high pressure resistant check valve possesses following beneficial effect: this high temperature and high pressure resistant check valve can make things convenient for better inside position to the valve body to protect through high temperature resistant composite construction and valve body location installation mechanism, has fine high temperature resistance, and withstand voltage effect is excellent, improves the performance of check valve, can also make things convenient for better to fix a position the installation to the check valve, is convenient for fix, and the valve body outside is through fixing a position the installation between double-screw bolt, nut and sealing filler, the end cover, through solid fixed ring, liner, sealed location between valve body and the inner cup, go up the lid and fix a position through between bolt, nut and the inner cup, convenient better fix a position the installation, high temperature resistant composite seat integrative location is in the inside position of valve body, through pouring integrated into one piece between high temperature resistant inorganic material, high temperature resistant thermal-insulated heat preservation piece, the alloy nickel base, increase the heat preservation effect of valve body, and improve the working strength of valve body, the withstand voltage performance is stronger, and high temperature resistant thermal-insulated heat preservation performance is excellent, and more practical, whole check valve simple structure, convenient operation, the effect of using is better for traditional mode.

Drawings

Fig. 1 is the overall structure schematic diagram of the high-temperature and high-pressure resistant check valve of the present invention.

Fig. 2 is the structural schematic diagram of the side view in the high-temperature and high-pressure resistant check valve of the present invention.

Fig. 3 is the structure diagram of the valve body in the high temperature and high pressure resistant check valve of the present invention.

Fig. 4 is a schematic structural view of the high-temperature resistant composite seat in the high-temperature and high-pressure resistant check valve of the present invention.

In the figure: 1. a valve body; 2. a valve seat; 3. a valve disc; 4. a shaft body; 5. a hinge pin; 6. sealing the filler; 7. an end cap; 8. a stud; 9. a nut; 10. an inner cover body; 11. a seal ring; 12. a liner; 13. an upper cover body; 14. a hoisting ring; 15. a bolt; 16. a nut; 17. a fixing ring; 18. a high temperature resistant composite seat; 19. high temperature resistant inorganic materials; 20. a high temperature resistant heat insulation sheet; 21. a nickel-based alloy sheet.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings and detailed description, but those skilled in the art will understand that the following described embodiments are some, not all, of the embodiments of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. 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 examples, in which specific conditions are not specified, were carried out according to conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.

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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified 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.

The embodiment is as follows:

as shown in fig. 1-4, a high temperature and high pressure resistant check valve comprises a valve body 1, a valve seat 2 is integrally formed on the valve body 1, a valve disc 3 is movably arranged inside the valve body 1, a high temperature resistant composite seat 18 is integrally formed on the inner wall of the valve body 1, an inner cover 10 is positioned and installed at the upper end of the valve body 1, an upper cover 13 is positioned and installed at the top of the valve body 1, a bolt 15 and a nut 16 are positioned between the upper cover 13 and the inner cover 10, a hanging ring 14 is positioned at the middle of the upper cover 13, and a fixing ring 17, a gasket 12 and a sealing ring 11 are positioned and sealed between the inner cover 10 and the valve body 1.

Furthermore, a sealing filler 6, an end cover 7, a stud 8 and a nut 9 are positioned and installed at the outer side position of the valve body 1, a hinge pin 5 is positioned at the inner side position of the end cover 7, and a shaft body 4 is movably arranged at the end part of the hinge pin 5.

Furthermore, a high temperature resistant inorganic material 19, a high temperature resistant heat insulation sheet 20 and a nickel-based alloy sheet 21 are integrally formed on the high temperature resistant composite seat 18, the high temperature resistant heat insulation sheet 20 is located on the surface of the high temperature resistant inorganic material 19, and the nickel-based alloy sheet 21 is located on the surface of the high temperature resistant heat insulation sheet 20.

Further, the outer side of the valve body 1 is positioned and mounted between the stud 8 and the nut 9, and the packing 6 and the end cap 7, and the hinge pin 5 is rotatably moved at the inner side position of the end cap 7, so that the end of the hinge pin 5 is positioned between the shaft body 4 and the shaft body.

Further, the high-temperature resistant composite seat 18 is integrally positioned in the valve body 1, and the high-temperature resistant inorganic material 19, the high-temperature resistant heat insulation sheet 20 and the nickel-based alloy sheet 21 are integrally formed through casting.

Furthermore, the valve body 1 and the inner cover body 10 are sealed and positioned through a fixing ring 17, a gasket 12 and a sealing ring 11, the upper cover body 13 is positioned through a bolt 15 and a nut 16 and the inner cover body 10, and the valve body 1 and the valve seat 2 are integrally formed.

The working principle is as follows: the utility model discloses a valve body 1, the disk seat 2, the valve disc 3, the axis body 4, hinge pin 5, the sealing filler 6, end cover 7, the double-screw bolt 8, nut 9, inner cup body 10, sealing washer 11, liner 12, go up lid 13, rings 14, bolt 15, nut 16, solid fixed ring 17, compound seat 18 of high temperature resistant, high temperature resistant inorganic material 19, high temperature resistant thermal-insulated heat preservation piece 20, nickel base alloy piece 21, when using, 1 outside of valve body is through double-screw bolt 8, nut 9 and sealing filler 6, the location installation between the end cover 7, through solid fixed ring 17 between valve body 1 and the inner cup body 10, liner 12, sealed location between the sealing washer 11, go up lid 13 through bolt 15, fix a position between nut 16 and the inner cup body 10, convenient better carry out the location installation, high temperature resistant compound seat 18 an organic material 19 of location is at valve body 1's internal position, high temperature resistant thermal-insulated heat preservation piece 20, through pouring integrated into one piece between the mould, increase valve body 1's heat preservation effect, and improve valve body 1's use strength, pressure resistance is stronger, high temperature resistant thermal-insulated performance, more is equipped with the high temperature resistant thermal-insulated heat preservation performance, the high temperature resistant heat-insulated heat-proof valve body can also has the high temperature resistant performance of the high temperature resistant fixed valve body and can make things convenient to carry out the high temperature resistant installation effect of the high temperature resistant fixed mounting structure, the high temperature resistant installation performance, the high temperature resistant performance of the high temperature resistant installation performance of being convenient for the high temperature resistant installation.

It is noted that, herein, relational terms such as first and second (a, b, etc.) 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 phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a high temperature and high pressure resistant check valve, includes valve body (1), its characterized in that: integrated into one piece has disk seat (2) on valve body (1), the inside activity of valve body (1) is provided with valve disc (3), the inner wall integrated into one piece of valve body (1) has high temperature resistant composite seat (18), lid (10) in the upper end tip position location of valve body (1) is installed, lid (13) are installed in the top location of valve body (1), it has bolt (15) and nut (16) to go up to fix a position between lid (13) and the inner cup body (10), the middle part location of going up lid (13) has rings (14), sealed location has solid fixed ring (17), liner (12) and sealing washer (11) between interior lid (10) and valve body (1).

2. A high temperature and pressure resistant check valve as defined in claim 1, wherein: the sealing structure is characterized in that a sealing filler (6), an end cover (7), a stud (8) and a nut (9) are positioned and installed at the outer side of the valve body (1), a hinge pin (5) is positioned at the inner side of the end cover (7), and a shaft body (4) is movably arranged at the end part of the hinge pin (5).

3. A high temperature and pressure resistant check valve as claimed in claim 1, wherein: the high-temperature-resistant composite seat (18) is integrally formed with a high-temperature-resistant inorganic material (19), a high-temperature-resistant heat-insulation sheet (20) and a nickel-based alloy sheet (21), the high-temperature-resistant heat-insulation sheet (20) is located on the surface of the high-temperature-resistant inorganic material (19), and the nickel-based alloy sheet (21) is located on the surface of the high-temperature-resistant heat-insulation sheet (20).

4. A high temperature and pressure resistant check valve as defined in claim 2 wherein: the outer side of the valve body (1) is positioned and installed among the stud (8), the nut (9), the sealing filler (6) and the end cover (7), the hinge pin (5) rotates and moves at the inner side position of the end cover (7), and the end part of the hinge pin (5) is positioned with the shaft body (4).

5. A high temperature and high pressure resistant check valve as defined in claim 3, wherein: the high-temperature-resistant composite seat (18) is integrally positioned in the valve body (1), and the high-temperature-resistant inorganic material (19), the high-temperature-resistant heat-insulation heat-preservation sheet (20) and the nickel-based alloy sheet (21) are integrally formed through casting.

6. A high temperature and pressure resistant check valve as claimed in claim 1, wherein: through sealed location between solid fixed ring (17), liner (12), sealing washer (11) between valve body (1) and interior lid (10), go up lid (13) and fix a position between through bolt (15), nut (16) and interior lid (10), integrated into one piece between valve body (1) and disk seat (2).