CN217762167U

CN217762167U - Ball valve for high-temperature and high-pressure pipeline

Info

Publication number: CN217762167U
Application number: CN202221899226.6U
Authority: CN
Inventors: 刘丽莉
Original assignee: Nanjing Chuanwei Valve Co ltd
Current assignee: Nanjing Chuanwei Valve Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-11-08
Anticipated expiration: 2032-07-22

Abstract

The utility model discloses a ball valve for high temperature high-pressure pipe, including the main valve body and base, the left end of the main valve body is provided with left valve gap, the right-hand member of the main valve body is provided with right valve gap, the top of the main valve body is provided with the lateral wall that the upper bearing casing did not wear the thing upper bearing casing and is provided with the pivot set casing, the inside of pivot set casing is rotated and is connected with the pivot, the front end of pivot is provided with the hand wheel, main valve body bottom about both ends symmetry fixedly connected with second supporting seat, the first supporting seat of both ends symmetry fixedly connected with about the base top. This ball valve for high temperature high pressure pipeline can conveniently adjust the height of second supporting seat through mutually supporting of dwang, motor, first conical gear, second conical gear, two-way screw rod, first supporting seat, first connecting seat, movable support pole, screw thread movable block, second connecting seat that set up, and then realizes the regulation of main valve body height, can adapt to different mounting height.

Description

Ball valve for high-temperature and high-pressure pipeline

Technical Field

The utility model relates to a ball valve field for high temperature high pressure pipeline, in particular to ball valve for high temperature high pressure pipeline.

Background

The ball valve has the same action of rotating 90 degrees, except that the tap body is a sphere with a circular through hole or passage through its axis. The ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, and can be closed tightly only by rotating 90 degrees and a small rotating moment. The ball valve is most suitable for being used as a switch and a stop valve. The ball valve has the main characteristics of compact structure, reliable sealing, simple structure and convenient maintenance, the sealing surface and the spherical surface are always in a closed state, are not easy to erode by media, are easy to operate and maintain, are suitable for common working media such as water, solvent, acid, natural gas and the like, are also suitable for media with severe working conditions such as oxygen, hydrogen peroxide, methane, ethylene and the like, and are widely applied in various industries, and the fixed ball valve body can be integrated or combined.

In chinese utility model patent application no: CN201822034244.8 discloses a high-temperature high-pressure wear-resistant fixed ball valve for a large-diameter pipeline, which comprises a left support, a left valve cover fixedly connected above the left support, a left valve seat, a main valve body, a right valve seat and a right valve cover sequentially connected to one side of the left valve cover, and a right support connected below the right valve cover, wherein the left valve cover and the right valve cover are respectively provided with a telescopic positioning plate, the main valve body is provided with a pressure gauge, a ball body, an upper bearing, a lower bearing and a pressure transmitter; the utility model can bear high temperature steam, is wear-resistant, corrosion-resistant and durable, and the outer surface of the ball body and the surface of the inner cavity of the main valve body are sprayed with carbide wear-resistant materials, thereby having strong wear resistance; the sealing ring is a PEEK sealing ring which is high in wear resistance and high temperature resistance; the pressure transmitter and the pressure gauge effectively detect the pressure of the fixed ball valve through the flowing object, and the telescopic positioning plates which are connected with the upper end and the lower end of the left valve cover and the right valve cover in a sliding mode can assist in connecting the pipeline and the fixed ball valve efficiently and quickly. The device is supported by the support, and the height of support is fixed, consequently can not adapt to different mounting height, and adaptability is relatively poor, and the device's hand wheel part is difficult for dismantling simultaneously, comparatively occupation space when not using, also not convenient to detach maintain.

Therefore, it is necessary to provide a ball valve for high-temperature and high-pressure pipelines to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a ball valve for high temperature high pressure pipeline can effectively solve the problem in the background art.

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

a ball valve for a high-temperature and high-pressure pipeline comprises a main valve body and a base, wherein a left valve cover is arranged at the left end of the main valve body, a right valve cover is arranged at the right end of the main valve body, a rotating shaft fixing shell is arranged on the top of the main valve body and on the side wall of an upper bearing shell which is not worn, a rotating shaft is arranged on the side wall of the upper bearing shell, a rotating shaft is rotatably connected inside the rotating shaft fixing shell, a hand wheel is arranged at the front end of the rotating shaft, and second supporting seats are symmetrically and fixedly connected to the left end and the right end of the bottom of the main valve body;

the left end and the right end of the top of the base are symmetrically and fixedly connected with first supporting seats, a first box body is fixedly connected below the front ends of the two first supporting seats, a second box body is arranged on the right side of the first box body, a motor is arranged in an inner cavity of the second box body, the inner cavity of the first box body is rotatably connected with a rotating rod through a bearing, and first bevel gears are symmetrically arranged outside the left end and the right end of the rotating rod;

the improved bidirectional screw rod support is characterized in that a sliding groove is formed in the top of the first support seat, the lower end of an inner cavity of the sliding groove is rotatably connected with a bidirectional screw rod through a bearing, a second bevel gear is arranged at the front end of the bidirectional screw rod, threaded moving blocks are symmetrically sleeved at the front end and the rear end of the bidirectional screw rod, a second connection seat is arranged at the top of each threaded moving block, a first connection seat is symmetrically and fixedly connected to the middle of the lower surface of the second support seat, and a movable support rod is movably connected to the lower end of the first connection seat.

Preferably, the front end wall body of the rotating shaft is fixedly connected with a rectangular block, a rectangular hole groove is formed in the middle of the hand wheel, the rectangular block is inserted into an inner cavity of the rectangular hole groove, and the outer wall of the rectangular block is attached to the inner wall of the rectangular hole groove and is in sliding connection with the inner wall of the rectangular hole groove.

Preferably, the two second supporting seats are respectively inserted into the inner cavities of the two sliding grooves, and the outer walls of the second supporting seats are attached to the inner walls of the sliding grooves and are in sliding connection with the inner walls of the sliding grooves.

Preferably, the right end of dwang passes through the shaft coupling and is connected with the output of motor, the preceding inner chamber that extends to first box of two-way screw rod.

Preferably, the two second bevel gears are respectively meshed with the two first bevel gears, the thread moving block is in threaded connection with the bidirectional screw rod, and the bottom of the thread moving block is attached to and slidably connected with the bottom of the inner cavity of the sliding groove.

Preferably, the first connecting seat is arranged at the front side and the rear side of the bottom of the second supporting seat close to the middle position, and one end of the movable supporting rod, far away from the first connecting seat, is movably connected with the second connecting seat.

Advantageous effects

Compared with the prior art, the utility model provides a ball valve for high temperature high-pressure pipeline possesses following beneficial effect:

1. this ball valve for high temperature high pressure pipeline can conveniently adjust the height of second supporting seat through mutually supporting of dwang, motor, first conical gear, second conical gear, two-way screw rod, first supporting seat, first connecting seat, activity bracing piece, screw thread movable block, second connecting seat, spout that set up, and then realizes the regulation of the height of the main valve body, can adapt to different mounting heights, has increased adaptability.

2. This ball valve for high temperature and high pressure pipeline can make things convenient for the dismantlement and the installation of hand wheel through mutually supporting of the rectangle piece that sets up and rectangle hole groove, can pull down after using the completion, does not occupy too much space, and the cooperation of pegging graft is convenient for maintain the transport.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the hand wheel of the present invention separated from the rectangular block;

fig. 3 is a schematic side view of the cross-sectional structure of the first and second supporting seats of the present invention;

fig. 4 is a schematic top view of the first casing of the present invention.

In the figure: 1. a main valve body; 2. a left valve cover; 3. a right valve cover; 4. an upper bearing housing; 5. a rotating shaft fixing shell; 6. a hand wheel; 7. a base; 8. a first support base; 9. a second support seat; 10. a first case; 11. a second case; 12. a motor; 13. a rotating shaft; 14. a rectangular block; 15. a rectangular hole slot; 16. a chute; 17. a bidirectional screw; 18. a first connecting seat; 19. a movable support rod; 20. a threaded moving block; 21. a second connecting seat; 22. rotating the rod; 23. a first bevel gear; 24. a second bevel gear.

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 ball valve for high-temperature and high-pressure pipelines comprises a main valve body 1 and a base 7, a left valve cover 2 is arranged at the left end of the main valve body 1, a right valve cover 3 is arranged at the right end of the main valve body 1, a rotating shaft fixing shell 5 is arranged on the side wall of the upper bearing shell 4, which is not used for the upper bearing shell 4, of the top of the main valve body 1, a rotating shaft 13 is connected to the rotating shaft fixing shell 5 in a rotating manner, a hand wheel 6 is arranged at the front end of the rotating shaft 13, second supporting seats 9 are symmetrically and fixedly connected to the left end and the right end of the bottom of the main valve body 1, first supporting seats 8 are symmetrically and fixedly connected to the left end and the right end of the top of the base 7, a first box body 10 is fixedly connected to the lower part of the front ends of the two first supporting seats 8, and a second box body 11 is arranged on the right side of the first box body 10.

The inner chamber of second box 11 is provided with motor 12, the inner chamber of first box 10 is connected with dwang 22 through the bearing rotation, the right-hand member of dwang 22 passes through the shaft coupling and is connected with motor 12's output, both ends outside symmetry is provided with first conical gear 23 about dwang 22, spout 16 has been seted up at first supporting seat 8's top, two second supporting seats 9 are inserted the inner chamber of locating two spout 16 respectively, and the outer wall of second supporting seat 9 and spout 16's inner wall laminating and sliding connection, the lower extreme of spout 16 inner chamber is connected with two-way screw 17 through the bearing rotation, two-way screw 17 extends to the inner chamber of first box 10 before, two-way screw 17's front end is provided with second conical gear 24, two second conical gear 24 respectively with two first conical gear 23 meshing.

The front end and the rear end of the bidirectional screw 17 are symmetrically sleeved with a threaded moving block 20, the threaded moving block 20 is in threaded connection with the bidirectional screw 17, the bottom of the threaded moving block 20 is attached to the bottom of the inner cavity of the sliding groove 16 and is in sliding connection with the bottom of the inner cavity of the sliding groove 16, the top of the threaded moving block 20 is provided with a second connecting seat 21, a first connecting seat 18 is symmetrically and fixedly connected to the middle of the lower surface of the second supporting seat 9, the first connecting seat 18 is arranged on the front side and the rear side of the bottom of the second supporting seat 9, which are close to the middle position, a movable supporting rod 19 is movably connected to the lower end of the first connecting seat 18, and the movable supporting rod 19 is movably connected to one end, away from the first connecting seat 18, of the second connecting seat 21.

Through the dwang 22 that sets up, motor 12, first conical gear 23, second conical gear 24, two-way screw 17, first supporting seat 8, first connecting seat 18, movable support rod 19, threaded moving block 20, second connecting seat 21, the height that can conveniently adjust second supporting seat 9 of mutually supporting of spout 16, and then realize the regulation of main valve body 1's height, can adapt to different mounting heights, adaptability has been increased, the front end wall fixedly connected with rectangular block 14 of pivot 13.

Rectangular hole groove 15 has been seted up at the middle part of hand wheel 6, and rectangular block 14 inserts the inner chamber of locating rectangular hole groove 15 to the outer wall of rectangular block 14 and the inner wall laminating and the sliding connection of rectangular hole groove 15 can make things convenient for the dismantlement and the installation of hand wheel 6 through mutually supporting of rectangular block 14 and rectangular hole groove 15 that set up, can pull down after the use is accomplished, does not occupy too much space, and the cooperation of pegging graft is convenient for maintain the transport.

It should be noted that, the utility model relates to a ball valve for high temperature high pressure pipeline, in dwang 22 during the use, motor 12, first bevel gear 23, second bevel gear 24, two-way screw 17, first supporting seat 8, first connecting seat 18, movable support rod 19, threaded moving block 20, second connecting seat 21, spout 16 mutually support and can conveniently adjust the height of second supporting seat 9, concretely, start motor 12 drives dwang 22 during altitude mixture control and rotates, dwang 22 drives two first bevel gear 23 rotations, two first bevel gear 23 drive two-way screw 17 rotations through two second bevel gear 24, two-way screw 17 drives threaded moving block 20 displacement, threaded moving block 20 drives second supporting seat 9 under the effect of movable support rod 19 and goes up and down, and then realize main valve body 1's high regulation, can adapt to different mounting heights, adaptability has been increased, can make things convenient for the dismantlement and the installation of hand wheel 6 through mutually supporting of rectangular block 14 and the rectangular hole groove 15 that sets up, can pull down after the use is accomplished, do not occupy the transport space, the grafting cooperation, be convenient for too much maintenance.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a ball valve for high temperature high pressure pipeline, includes the main valve body (1) and base (7), its characterized in that: a left valve cover (2) is arranged at the left end of the main valve body (1), a right valve cover (3) is arranged at the right end of the main valve body (1), an upper bearing shell (4) is arranged at the top of the main valve body (1), a rotating shaft fixing shell (5) is arranged on the side wall of the upper bearing shell (4) and is free from damage, a rotating shaft (13) is rotatably connected inside the rotating shaft fixing shell (5), a hand wheel (6) is arranged at the front end of the rotating shaft (13), and second supporting seats (9) are symmetrically and fixedly connected to the left end and the right end of the bottom of the main valve body (1);

the left end and the right end of the top of the base (7) are symmetrically and fixedly connected with first supporting seats (8), a first box body (10) is fixedly connected below the front ends of the two first supporting seats (8), a second box body (11) is arranged on the right side of the first box body (10), a motor (12) is arranged in an inner cavity of the second box body (11), the inner cavity of the first box body (10) is rotatably connected with a rotating rod (22) through a bearing, and first bevel gears (23) are symmetrically arranged outside the left end and the right end of the rotating rod (22);

the improved support device is characterized in that a sliding groove (16) is formed in the top of the first support seat (8), a bidirectional screw (17) is rotatably connected to the lower end of an inner cavity of the sliding groove (16) through a bearing, a second bevel gear (24) is arranged at the front end of the bidirectional screw (17), threaded moving blocks (20) are symmetrically sleeved at the front end and the rear end of the bidirectional screw (17), a second connection seat (21) is arranged at the top of each threaded moving block (20), a first connection seat (18) is symmetrically and fixedly connected to the middle of the lower surface of the second support seat (9), and a movable support rod (19) is movably connected to the lower end of the first connection seat (18).

2. The ball valve for high-temperature and high-pressure pipelines according to claim 1, wherein: the front end wall body fixedly connected with rectangle piece (14) of pivot (13), rectangle hole groove (15) have been seted up at the middle part of hand wheel (6), the inner chamber of locating rectangle hole groove (15) is inserted in rectangle piece (14) to the outer wall of rectangle piece (14) and the laminating of the inner wall in rectangle hole groove (15) and sliding connection.

3. The ball valve for high-temperature and high-pressure pipelines according to claim 1, wherein: the two second supporting seats (9) are respectively inserted into the inner cavities of the two sliding grooves (16), and the outer walls of the second supporting seats (9) are attached to the inner walls of the sliding grooves (16) and are in sliding connection.

4. The ball valve for high-temperature and high-pressure pipelines according to claim 1, wherein: the right-hand member of dwang (22) passes through the shaft coupling and is connected with the output of motor (12), the preceding inner chamber that extends to first box (10) of two-way screw rod (17).

5. The ball valve for high-temperature and high-pressure pipelines according to claim 1, wherein: the two second bevel gears (24) are respectively meshed with the two first bevel gears (23), the thread moving block (20) is in threaded connection with the bidirectional screw (17), and the bottom of the thread moving block (20) is attached to the bottom of the inner cavity of the sliding groove (16) and is in sliding connection with the bottom.

6. The ball valve for high-temperature and high-pressure pipelines according to claim 1, wherein: the first connecting seats (18) are arranged at the front side and the rear side of the bottom of the second supporting seat (9) close to the middle position, and one ends of the movable supporting rods (19) far away from the first connecting seats (18) are movably connected with the second connecting seats (21).