CN213711925U

CN213711925U - High-temperature high-pressure welding gate valve

Info

Publication number: CN213711925U
Application number: CN202022472944.2U
Authority: CN
Inventors: 卓天宝
Original assignee: Hangzhou Kaiwei Valve Group Co ltd
Current assignee: Hangzhou Kaiwei Valve Group Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-07-16
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a high temperature high pressure welding gate valve, including the gate valve main part, one side of gate valve main part is passed through welded fastening and is installed first ring flange, the opposite side of gate valve main part has the second ring flange through welded fastening and installs, the outer wall of gate valve main part is through welded fastening and is connected with the drum, the detachable top of drum is installed and is sealed a section of thick bamboo, the top of sealing a section of thick bamboo is provided with the valve handle, the inside of gate valve main part is provided with the valve clack, the valve clack sets up between two parties. A high temperature high pressure welding gate valve, the valve clack can play the supporting role to the valve clack when bearing fluid impact, for the valve rod provides the protection, prevents that unfavorable phenomena such as bending deformation from appearing in the valve rod, it is smooth to fall to hinder fills up body outer wall, reduce and the valve clack between the damping, improve life, in addition, the bottom part of valve clack is located encircles the inslot, can play the positioning action to the bottom of valve clack, improves the valve clack bearing capacity, brings better use prospect.

Description

High-temperature high-pressure welding gate valve

Technical Field

The utility model relates to a welding gate valve field, in particular to high temperature high pressure welding gate valve.

Background

The welding gate valve belongs to a forced sealing type valve, has simple structure, convenient manufacture and maintenance, small working stroke and short opening and closing time. Not only the sealing performance is good, the friction between the sealing surfaces is small, and the service life is long. In addition, high temperature and high pressure resistance is also provided depending on the use environment. The opening and closing piece of the welding gate valve is a plug-shaped valve clack, the sealing surface is a plane or a conical surface, and the valve clack moves linearly along the center line of fluid. The movement form of the valve rod is a lifting rod type (the valve rod is lifted, the hand wheel is not lifted), and a lifting rotating rod type (the hand wheel and the valve rod rotate together to lift, and the nut is arranged on the valve body). The welded gate valve belongs to a forced sealing type valve, when the valve clack cuts off fluid, the valve clack needs to bear fluid impact force, and the valve rod is easy to bend and deform along with the increase of time, so that the valve cannot be normally used.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a high-temperature high-pressure welding gate valve, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high temperature high pressure welding gate valve, includes the gate valve main part, one side of gate valve main part is through welding fixed mounting has first ring flange, the opposite side of gate valve main part is through welding fixed mounting has the second ring flange, the outer wall of gate valve main part is through welding fixedly connected with drum, the detachable top of installing of drum seals a section of thick bamboo, the top of sealing a section of thick bamboo is provided with the valve handle, the inside of gate valve main part is provided with the valve clack, the valve clack sets up between two parties, the top fixedly connected with valve rod of valve clack, the threaded hole is seted up on the top of sealing a section of thick bamboo, drum, sealing a section of thick bamboo, threaded hole and the detachable connection of valve handle are passed on.

Preferably, one side that the gate valve main part was kept away from to first ring flange splices through waterproof glue and is fixed with first sealing washer, one side that the gate valve main part was kept away from to the second ring flange splices through waterproof glue and is fixed with the second sealing washer, all set up the first mounting hole of coaxial counterpoint on first ring flange and the first sealing washer, all set up the second mounting hole of coaxial counterpoint on second ring flange and the second sealing washer.

Preferably, the top of drum has the third flange dish through welded fastening installation, the bottom of a top sealing section of thick bamboo has the fourth flange dish through welded fastening installation, the adjacent surface of third flange dish and fourth flange dish all is fixed with the fifth sealing washer through sealed gluey cementing, through the detachable connection of wing section bolt between third flange dish and the fourth flange dish.

Preferably, a third sealing ring is fixedly mounted at the top of the inner side of the top sealing cylinder, a fourth sealing ring is fixedly mounted at the top of the top sealing cylinder, a sleeve is fixedly mounted in the middle of the valve handle, the top end of the valve rod is inserted into the sleeve, and a connecting pin is inserted between the valve rod and the sleeve.

Preferably, the supporting component comprises a first supporting rod, a second supporting rod, a third supporting rod, a supporting plate and a resistance reducing pad body, wherein the first supporting rod and the second supporting rod are fixedly connected with the inner wall of the gate valve main body, the first supporting rod, the second supporting rod and the third supporting rod are of an integrated structure, the middle of the supporting plate is fixedly connected with one end of the third supporting rod, and the resistance reducing pad body is fixedly installed on one side of the supporting plate.

Preferably, the inner wall of the gate valve body is provided with an arch groove, and the bottom of the valve clack is positioned inside the arch groove.

Compared with the prior art, the utility model discloses following beneficial effect has: this high temperature high pressure welding gate valve, through the first bracing piece that sets up, the second bracing piece, the third bracing piece, the backup pad with fall and hinder the pad body, first bracing piece, the second bracing piece cooperatees with the third bracing piece, play the supporting role to the backup pad, fall in the backup pad structure and hinder pad body and valve clack laminating, the valve clack is when bearing fluid impact, can play the supporting role to the valve clack, for the valve rod provides the protection, prevent that unfavorable phenomena such as bending deformation from appearing in the valve rod, it is smooth to fall to hinder pad body outer wall, reduce and the damping between the valve clack, and the service life is prolonged, furthermore, the bottom part of valve clack is located and encircles the inslot, can play the positioning action to the bottom of valve clack, the valve clack bearing capacity is improved, do benefit to people and use, whole high temperature.

Drawings

Fig. 1 is the utility model relates to a high temperature high pressure welding gate valve's schematic structure diagram.

Fig. 2 is an enlarged view of a in fig. 1 of the high-temperature high-pressure welded gate valve of the present invention.

Fig. 3 is an enlarged view of B in fig. 1 of the high-temperature high-pressure welded gate valve of the present invention.

Fig. 4 is the utility model relates to a supporting component's among high temperature high pressure welding gate valve structural schematic.

In the figure: 1. a gate valve body; 2. a first flange plate; 3. a second flange plate; 4. a first seal ring; 5. A second seal ring; 6. a first mounting hole; 7. a second mounting hole; 8. a valve flap; 9. an arch groove; 10. a cylinder; 11. sealing a top cylinder; 12. a valve handle; 13. a support assembly; 14. a valve stem; 15. a third flange plate; 16. A fourth flange plate; 17. a third seal ring; 18. a fourth seal ring; 19. a first support bar; 20. a second support bar; 21. a third support bar; 22. a support plate; 23. a resistance-reducing cushion body.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a high-temperature high-pressure welded gate valve comprises a gate valve body 1, a first flange 2 is fixedly welded on one side of the gate valve body 1, a second flange 3 is fixedly welded on the other side of the gate valve body 1, a cylinder 10 is fixedly welded on the outer wall of the gate valve body 1, a capping cylinder 11 is detachably mounted on the top end of the cylinder 10, a valve handle 12 is arranged above the capping cylinder 11, a valve flap 8 is arranged inside the gate valve body 1, the valve flap 8 is arranged in the middle, a valve rod 14 is fixedly connected to the top end of the valve flap 8, a threaded hole is formed in the top end of the capping cylinder 11, the top end of the valve rod 14 passes through the cylinder 10, the capping cylinder 11 and the threaded hole is detachably connected with the valve handle 12, a support assembly 13 is arranged inside the gate valve body 1, the support assembly 13 can support the valve flap 8 without, the occurrence of such a problem as bending deformation of the valve stem 14 is prevented.

Further, one side that gate valve main part 1 was kept away from to first ring flange 2 is glued through waterproof glue and is fixed with first sealing washer 4, one side that gate valve main part 1 was kept away from to second ring flange 3 is glued through waterproof glue and is fixed with second sealing washer 5, all set up the first mounting hole 6 of coaxial counterpoint on first ring flange 2 and the first sealing washer 4, all set up the second mounting hole 7 of coaxial counterpoint on second ring flange 3 and the second sealing washer 5, before the use, install this high temperature high pressure welding gate valve to the pipe-line system in, accomplish first ring flange 2 through the bolt, the butt joint of connecting tube upper flange in second ring flange 3 and the pipe-line system, first sealing washer 4 and second sealing washer 5's design, can improve the sealed effect after the butt joint.

Furthermore, the top end of the cylinder 10 is fixedly provided with a third flange plate 15 through welding, the bottom end of the top sealing cylinder 11 is fixedly provided with a fourth flange plate 16 through welding, the adjacent surfaces of the third flange plate 15 and the fourth flange plate 16 are fixedly connected with a fifth sealing ring through sealant in a gluing mode, the third flange plate 15 and the fourth flange plate 16 are detachably connected through wing-shaped bolts, the dismounting and mounting operation is simple, and the dismounting, the overhauling or the replacement during production, assembly and part failure are facilitated.

Further, the inside top fixed mounting of a capping section of thick bamboo 11 has third sealing washer 17, and the top fixed mounting of a capping section of thick bamboo 11 has fourth sealing washer 18, and the middle part fixed mounting of valve handle 12 has the sleeve pipe, and the top cartridge of valve rod 14 is intraductal in the sleeve, has alternate the connecting pin between valve rod 14 and the sleeve pipe, and after dismantling the connecting pin, can be with sleeve pipe and valve rod 14 split, after taking off valve handle 12, the capping section of thick bamboo 11 that has accomplished the split can be dismantled on valve rod 14.

Further, the supporting assembly 13 is composed of a first supporting rod 19, a second supporting rod 20, a third supporting rod 21, a supporting plate 22 and a resistance reducing pad 23, the first supporting rod 19 and the second supporting rod 20 are both fixedly connected with the inner wall of the gate valve main body 1, the first supporting rod 19, the second supporting rod 20 and the third supporting rod 21 are in an integrated structure, the middle of the supporting plate 22 is fixedly connected with one end of the third supporting rod 21, the resistance reducing pad 23 is fixedly arranged on one side of the supporting plate 22, the first supporting rod 19, the second supporting rod 20 and the third supporting rod 21 are matched to support the supporting plate 22, the resistance reducing pad 23 in the structure of the supporting plate 22 is attached to the valve flap 8, the valve flap 8 can support the valve flap 8 when bearing fluid impact, the valve stem 14 is protected, bad phenomena such as bending deformation and the like of the valve stem 14 are prevented, the outer wall of the resistance reducing pad 23 is smooth, reduce the damping between the valve clack 8 and improve the service life.

Further, the inner wall of the gate valve main body 1 is provided with an arch groove 9, the bottom of the valve clack 8 is located inside the arch groove 9, and the bottom of the valve clack 8 is located inside the arch groove 9, so that the bottom of the valve clack 8 can be positioned, and the pressure bearing capacity of the valve clack 8 is improved.

It should be noted that, the utility model relates to a high temperature and high pressure welding gate valve, before using, install this high temperature and high pressure welding gate valve in pipe-line system, accomplish the butt joint of first ring flange 2, second ring flange 3 and the connecting line upper flange in pipe-line system through the bolt, the design of first sealing washer 4 and second sealing washer 5, can improve the sealed effect after the butt joint, when closing the internal passage of gate valve main part 1, clockwise rotate valve handle 12, drive valve rod 14 to rotate clockwise, under the effect of the screw hole that the top of a capping barrel 11 was seted up, valve rod 14 promotes valve clack 8 to move downwards, after inserting inside arch groove 9 the bottom of valve clack 8, close the internal passage of gate valve main part 1, stop rotating valve handle 12, first bracing piece 19, second bracing piece 20 and third bracing piece 21 cooperate, play the supporting role to backup pad 22, the resistance-reducing pad body 23 in the backup pad 22 structure is laminated with valve clack 8, valve clack 8 is when bearing fluid impact, can play the supporting role to valve clack 8, for valve rod 14 provides the protection, prevent that unfavorable phenomena such as bending deformation from appearing in valve rod 14, it is smooth to fall to hinder to fill up 23 outer walls of body, reduce and the valve clack between 8 damping, and the service life is prolonged, in addition, the bottom part of valve clack 8 is located encircleing inslot 9, can play the positioning action to the bottom of valve clack 8, improve valve clack 8 bearing capacity, when opening 1 inside passage of gate valve main part, anticlockwise rotation valve handle 12, drive 14 anticlockwise rotations of valve rod, under the effect of the screw hole that 11 tops of capping were seted up, valve rod 14 drives 8 rebound of valve clack, open 1 inside passage of gate valve main part, and is.

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. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high temperature high pressure welding gate valve, includes gate valve main part (1), its characterized in that: a first flange plate (2) is fixedly arranged on one side of the gate valve main body (1) through welding, the other side of the gate valve main body (1) is fixedly provided with a second flange plate (3) by welding, the outer wall of the gate valve main body (1) is fixedly connected with a cylinder (10) through welding, a top end of the cylinder (10) is detachably provided with a top sealing cylinder (11), a valve handle (12) is arranged above the top sealing cylinder (11), a valve flap (8) is arranged in the gate valve main body (1), the valve flap (8) is arranged in the middle, the top end of the valve clack (8) is fixedly connected with a valve rod (14), the top end of the top sealing barrel (11) is provided with a threaded hole, the top end of the valve rod (14) penetrates through the cylinder (10), the top sealing cylinder (11) and the threaded hole to be detachably connected with the valve handle (12), and the support assembly (13) is arranged inside the gate valve main body (1).

2. A high temperature and high pressure welding gate valve according to claim 1, wherein: one side that gate valve main part (1) was kept away from in first ring flange (2) is spliced through waterproof glue and is fixed with first sealing washer (4), one side that gate valve main part (1) was kept away from in second ring flange (3) splices through waterproof glue and is fixed with second sealing washer (5), all set up first mounting hole (6) of coaxial counterpoint on first ring flange (2) and first sealing washer (4), all set up second mounting hole (7) of coaxial counterpoint on second ring flange (3) and second sealing washer (5).

3. A high temperature and high pressure welding gate valve according to claim 1, wherein: the top of drum (10) is through welded fastening install third flange dish (15), the bottom of a top sealing section of thick bamboo (11) is through welded fastening install fourth flange dish (16), third flange dish (15) all is fixed with the fifth sealing washer through sealed gluey cementing with the looks proximal surface of fourth flange dish (16), through the detachable connection of wing section bolt between third flange dish (15) and fourth flange dish (16).

4. A high temperature and high pressure welding gate valve according to claim 1, wherein: the inner side top of the top sealing barrel (11) is fixedly provided with a third sealing ring (17), the top of the top sealing barrel (11) is fixedly provided with a fourth sealing ring (18), the middle of the valve handle (12) is fixedly provided with a sleeve, the top end of the valve rod (14) is inserted into the sleeve, and a connecting pin is inserted between the valve rod (14) and the sleeve.

5. A high temperature and high pressure welding gate valve according to claim 1, wherein: the gate valve is characterized in that the supporting assembly (13) is composed of a first supporting rod (19), a second supporting rod (20), a third supporting rod (21), a supporting plate (22) and a resistance reducing pad body (23), the first supporting rod (19) and the second supporting rod (20) are fixedly connected with the inner wall of the gate valve main body (1), the first supporting rod (19), the second supporting rod (20) and the third supporting rod (21) are of an integrated structure, the middle of the supporting plate (22) is fixedly connected with one end of the third supporting rod (21), and the resistance reducing pad body (23) is fixedly installed on one side of the supporting plate (22).

6. A high temperature and high pressure welding gate valve according to claim 1, wherein: an arch groove (9) is formed in the inner wall of the gate valve body (1), and the bottom of the valve clack (8) is located inside the arch groove (9).