CN218564403U

CN218564403U - Anticorrosion low temperature valve casting

Info

Publication number: CN218564403U
Application number: CN202222488571.7U
Authority: CN
Inventors: 蒋光友
Original assignee: Kaiyide Valve Co ltd
Current assignee: Kaiyide Valve Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-03-03
Anticipated expiration: 2032-09-20

Abstract

The utility model discloses an anticorrosion low temperature valve foundry goods, including valve body and upper cover, the valve body top surface has the upper cover through fixing bolt fixed mounting. Has the advantages that: the utility model discloses a valve rod section of thick bamboo and screw rod, the valve rod section of thick bamboo outside is provided with second enamel layer, when opening and close the valve body, the rotatable handle of staff, thereby rotate the screw rod, the screw rod insert in the valve rod section of thick bamboo and with valve rod section of thick bamboo threaded connection, the rotation of screw rod drives the valve rod section of thick bamboo and reciprocates, thereby drive the case and reciprocate, accomplish opening and close of valve body, the second enamel layer surface of valve rod section of thick bamboo outer surface is smooth, the wearing and tearing to the sealing rubber sleeve have been reduced, thereby the life of sealing rubber sleeve has been prolonged, and the service life is prolonged, and simultaneously, the valve rod section of thick bamboo lower part is arranged in the valve body, the second enamel layer of surface parcel is wear-resisting corrosion-resistant, the long time use of valve rod section of thick bamboo has been avoided receiving the problem that corrodes rust or damage, and service life is prolonged, thereby whole life has been prolonged.

Description

Anticorrosion low temperature valve casting

Technical Field

The utility model relates to a low temperature valve technical field particularly, relates to a anticorrosion low temperature valve foundry goods.

Background

The low-temperature valve is a valve with medium temperature of-40 ℃ to-196 ℃, low-temperature medium circulates inside the valve, the low-temperature medium is often corrosive to a certain extent and can affect the service life of the valve, common low-temperature valves are divided into a low-temperature butterfly valve, a low-temperature gate valve, a low-temperature ball valve, a low-temperature stop valve, a low-temperature check valve, a low-temperature throttle valve and the like, and valve castings are common castings.

After retrieval, the application discloses CN212536735U, which is named as an anti-corrosion low-temperature valve casting, and provides the problem that the sealing ring inside the current low-temperature ball valve is seriously worn after being used for a long time and the sealing performance can be reduced.

An effective solution to the problems in the related art has not been proposed yet.

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 anticorrosion low temperature valve foundry goods possesses anticorrosion, long service life's advantage, and then solves the problem in the above-mentioned background art.

(II) technical scheme

For realizing the advantages of the above anticorrosion and long service life, the utility model adopts the following concrete technical scheme:

the utility model provides an anticorrosion low temperature valve foundry goods, includes valve body and upper cover, the valve body top surface has the upper cover through fixing bolt fixed mounting, and the upper cover top surface passes through branch fixedly connected with roof-rack to roof-rack top surface central point puts and runs through to rotate and is connected with the screw rod, the welding of screw rod top surface has the handle, upper cover top surface integral type is connected with the knockout drum, and the inside fixed mounting of knockout drum has the sealing rubber sleeve, the inside valve rod section of thick bamboo that runs through of knockout drum, and valve rod section of thick bamboo underrun installation pole fixed mounting have a case, the screw rod insert in the valve rod section of thick bamboo and with valve rod section of thick bamboo threaded connection, the welding of valve rod section of thick bamboo top surface has the roof, branch run through the roof and with roof sliding connection, valve rod section of thick bamboo outer wall is provided with second enamel layer, and second enamel layer outer wall and sealing rubber sleeve inner wall slip tightly.

Furthermore, the inner wall of the valve body is provided with a first enamel layer, and the thickness of the first enamel layer is the same as that of the second enamel layer.

Furthermore, the mounting rod penetrates through the valve core and is fixedly connected with the valve core through a nut.

Furthermore, the surface of the screw rod is positioned above the top frame and below the top frame, and is fixedly sleeved with a limiting plate, and the limiting plate is in sliding butt joint with the outer wall of the top frame.

Furthermore, the bottom of the sealing rubber sleeve extends into the valve body and is fixedly connected with the second enamel layer.

Furthermore, two ends of the supporting rod are respectively welded with the bottom surface of the top frame and the top surface of the upper cover, and the supporting rod is a metal round rod.

Furthermore, the top surface of the valve body is provided with a threaded blind hole for inserting a fixing bolt.

Furthermore, the wall thickness of the valve rod cylinder is not less than 2mm, and the valve rod cylinder is made of stainless steel.

(III) advantageous effects

Compared with the prior art, the utility model provides an anticorrosion low temperature valve foundry goods possesses following beneficial effect:

(1) The utility model discloses a valve rod section of thick bamboo and screw rod, valve rod section of thick bamboo outside is provided with second enamel layer, when opening and close the valve body, the rotatable handle of staff, thereby rotate the screw rod, the screw rod insert in the valve rod section of thick bamboo and with valve rod section of thick bamboo threaded connection, the rotation of screw rod drives the valve rod section of thick bamboo and reciprocates, thereby drive the case and reciprocate, accomplish opening and close of valve body, the second enamel layer surface of valve rod section of thick bamboo outer surface is smooth, the wearing and tearing to the sealing rubber cover have been reduced, thereby the life of sealing rubber cover has been prolonged, and the service life is prolonged, and simultaneously, valve rod section of thick bamboo lower part is arranged in the valve body, the second enamel layer of surface parcel is wear-resisting corrosion-resistant, the long-time use of valve rod section of thick bamboo has been avoided receiving the problem that corrodes rust or damage, and service life has been prolonged, thereby whole life has been prolonged.

(2) The utility model discloses a first enamel layer, first enamel layer are located the inner wall of valve body, and for the valve body of metal system, first enamel layer is more wear-resisting and corrosion-resistant, and corrosion resistance is excellent to avoided the long-time problem that receives the corrosion damage of using of valve body, prolonged the life of valve body, and then further prolonged whole life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the structure of an anti-corrosion low-temperature valve casting according to the present invention;

FIG. 2 is a front view of an anti-corrosion cryogenic valve casting according to the present invention;

fig. 3 is a schematic view of an external structure of a valve stem cylinder according to the present invention;

fig. 4 is a schematic structural diagram of the screw rod provided by the present invention.

In the figure:

1. a valve body; 2. a first enamel layer; 3. a valve stem barrel; 4. an upper cover; 5. sealing the rubber sleeve; 6. a top cylinder; 7. a second enamel layer; 8. a valve core; 9. a top plate; 10. a screw; 11. a limiting plate; 12. a handle; 13. a top frame; 14. a strut; 15. fixing the bolt; 16. and (5) installing a rod.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides an anticorrosion low temperature valve foundry goods.

Referring now to the drawings and the detailed description, the present invention is further described, as shown in fig. 1-4, an anti-corrosion low-temperature valve casting according to an embodiment of the present invention includes a valve body 1 and an upper cover 4, the top surface of the valve body 1 is fixedly installed with the upper cover 4 through a fixing bolt 15, a sealing gasket can be further sandwiched between the valve body 1 and the upper cover 4, which is a common sealing structure in the art, and not described herein, and the top surface of the upper cover 4 is fixedly connected with a top frame 13 through a support rod 14, and the top surface center position of the top frame 13 is connected with a screw 10 in a penetrating and rotating manner, a handle 12 is welded on the top surface of the screw 10, which facilitates to rotate the screw 10, the top surface of the upper cover 4 is integrally connected with a top barrel 6, the top barrel 6 extends the installation height of a sealing rubber sleeve 5, thereby providing a sufficient installation space for the sealing rubber sleeve 5, and a sealing rubber sleeve 5 is fixedly installed inside the top barrel 6, the top barrel 6 is inserted with a valve barrel 3 through the top surface of the top barrel 3, and the valve barrel 3 is fixedly installed with a valve core 8 through the installation rod 16, the valve barrel 3, the screw 10 is inserted into the valve barrel 3 and connected with a smooth bushing 3 through the top surface of the top barrel 3, thereby reducing the wear of the valve body 7, the valve rod 7, thereby reducing the wear of the valve body 7, and reducing the wear of the valve body 7, the valve rod 7, and the valve rod 7, the valve body 3, the valve body 7, the valve rod 7, the valve body 3, and the valve body 3, the valve rod 7, and the valve body 7 are connected with the valve rod 7, the sealing life is prolonged, meanwhile, the lower portion of the valve rod barrel 3 is located in the valve body 1, the second enamel layer 7 wrapped on the outer surface is wear-resistant and corrosion-resistant, the problem that the valve rod barrel 3 is corroded and rusted or damaged for a long time is avoided, the service life is prolonged, and the whole service life is prolonged.

In an embodiment, 1 inner wall of valve body is provided with first enamel layer 2, and first enamel layer 2 is the same with 7 thickness on second enamel layer, the enamel method is common technique, do not do here too much and describe, first enamel layer 2 is located the inner wall of valve body 1, for valve body 1 of metal system, first enamel layer 2 is wear-resisting and corrosion-resistant more, corrosion protection performance is excellent, thereby avoided valve body 1 to use the problem that receives the corruption damage for a long time, the life of valve body 1 has been prolonged, and then whole life has further been prolonged.

In one embodiment, the mounting rod 16 penetrates the valve core 8 and is fixedly connected to the valve core 8 through a nut, which is a common fixing structure and will not be described in detail herein.

In one embodiment, the surface of the screw 10 is fixedly sleeved with the limiting plates 11 above and below the top frame 13, and the limiting plates 11 are in sliding contact with the outer wall of the top frame 13 to prevent the screw 10 from moving up and down.

In one embodiment, the bottom of the sealing rubber sleeve 5 extends into the valve body 1 and is fixedly connected with the second enamel layer 7, the projection shape of the front vertical surface of the sealing rubber cylinder is convex, and the staggered top surface of the bottom of the sealing rubber sleeve 5 is tightly abutted against the bottom surface of the upper cover 4, so that the sealing rubber sleeve 5 is prevented from moving upwards when the internal pressure of the valve body 1 is too high.

In one embodiment, the two ends of the supporting rod 14 are respectively welded with the bottom surface of the top frame 13 and the top surface of the upper cover 4, which is a common connection mode, the supporting rod 14 adopts a metal round rod, and the supporting rod 14 is polished to reduce friction.

In an embodiment, the top surface of the valve body 1 is provided with a blind threaded hole for inserting the fixing bolt 15, and the fixing bolt 15 penetrates through the upper cover 4 and is inserted into the blind threaded hole, which is a common fixing form and will not be described in detail herein.

In one embodiment, the wall thickness of the valve rod cylinder 3 is not less than 2mm, and the valve rod cylinder 3 is made of stainless steel, so that the structural strength is high, and deformation in the using process is avoided.

The working principle is as follows:

when opening and close valve body 1, rotatable handle 12 of staff, thereby rotate screw rod 10, screw rod 10 inserts in valve rod section of thick bamboo 3 and with valve rod section of thick bamboo 3 threaded connection, screw rod 10's rotation drives valve rod section of thick bamboo 3 and reciprocates, thereby drive case 8 and reciprocate, accomplish opening and close of valve body 1, the second enamel layer 7 surface of valve rod section of thick bamboo 3 surface is smooth, the wearing and tearing to sealing rubber sleeve 5 have been reduced, thereby sealing rubber sleeve 5's life has been prolonged, and the sealing life is prolonged, simultaneously, valve rod section of thick bamboo 3 lower part is located valve body 1, the second enamel layer 7 wear-resisting corrosion-resistant of surface parcel, avoided valve rod section of thick bamboo 3 long-time use to receive the problem of corrosion rust or damage, service life has been prolonged, thereby whole life has been prolonged, simultaneously, first enamel layer 2 is located the inner wall of valve body 1, for valve body 1 that the metal was made, first enamel layer 2 is more wear-resisting and corrosion-resisting, corrosion resistance is excellent, thereby avoided valve body 1 to use for a long time to receive the problem of corrosion damage, valve body 1 has been prolonged, the life of valve body 1, and further prolonged.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an anticorrosion low temperature valve foundry goods, its characterized in that, includes valve body (1) and upper cover (4), valve body (1) top surface has upper cover (4) through fixing bolt (15) fixed mounting, and upper cover (4) top surface passes through branch (14) fixedly connected with roof-rack (13) to roof-rack (13) top surface central point puts and runs through the rotation and is connected with screw rod (10), screw rod (10) top surface welding has handle (12), upper cover (4) top surface integral type is connected with a top cylinder (6), and top cylinder (6) inside fixed mounting has sealed rubber sleeve (5), top cylinder (6) inside runs through grafting valve rod section of thick bamboo (3), and valve rod section of thick bamboo (3) bottom surface has case (8) through installation pole (16) fixed mounting, screw rod (10) insert in valve rod section of thick bamboo (3) and with valve rod section of thick bamboo (3) threaded connection, valve rod section of thick bamboo (3) top surface welding has roof (9), branch (14) run through roof (9) and with roof (9) sliding connection, valve rod section of thick bamboo (3) outer wall is provided with second enamel layer (7) and second sealing rubber sleeve (7) tight.

2. An anti-corrosion cryogenic valve casting according to claim 1, characterized in that the inner wall of the valve body (1) is provided with a first enamel layer (2) and the second enamel layer (7) have the same thickness.

3. An anti-corrosion cryogenic valve casting according to claim 1, wherein the mounting rod (16) extends through the valve core (8) and is fixedly connected to the valve core (8) by a nut.

4. The anti-corrosion low-temperature valve casting according to claim 1, wherein limiting plates (11) are fixedly sleeved on the surfaces of the screws (10) above and below the top frame (13), and the limiting plates (11) are in sliding contact with the outer wall of the top frame (13).

5. An anti-corrosion cryogenic valve casting according to claim 1, characterized in that the bottom of the sealing rubber sleeve (5) extends to the inside of the valve body (1) and is fixedly connected with the second enamel layer (7).

6. The anti-corrosion cryogenic valve casting according to claim 1, characterized in that the two ends of the supporting rod (14) are respectively welded with the bottom surface of the top frame (13) and the top surface of the upper cover (4), and the supporting rod (14) is a metal round rod.

7. An anti-corrosion low-temperature valve casting according to claim 1, characterized in that the top surface of the valve body (1) is provided with a threaded blind hole for inserting a fixing bolt (15).

8. An anti-corrosion cryogenic valve casting according to claim 1, characterized in that the wall thickness of the valve stem cylinder (3) is not less than 2mm, and the valve stem cylinder (3) is made of stainless steel.