CN214197308U

CN214197308U - Butterfly valve applied to petroleum processing

Info

Publication number: CN214197308U
Application number: CN202023333660.1U
Authority: CN
Inventors: 宋宣; 宋文俊
Original assignee: Jiangsu Xinghaoyuan Machinery Co ltd
Current assignee: Jiangsu Xinghaoyuan Machinery Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-14
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to a butterfly valve applied to petroleum processing, which comprises a valve body, a valve rod, a valve plate, a valve seat and a valve neck, wherein the top end of a gear box is provided with a pointer and a connecting shaft, the upper surface of the gear box is provided with scales, the valve rod inside the gear box is provided with a first gear, the inside of the gear box is provided with a second gear and a gear shaft, one end of the gear shaft is provided with a rotating shaft, the gear shaft and the rotating shaft can be detachably connected, the edge of the valve plate is provided with a mounting groove, a sealing hole is arranged in the mounting groove, a sealing spring and a support pillar are arranged in the sealing hole, a first sealing rubber ring is arranged in the mounting groove, the angles of the valve plate can be represented by the scales pointing to different directions through the pointer, the gear shaft can not be easily rotated by others through the detachable rotating shaft, the valve plate is rotated, even if the first sealing ring is partially worn through the sealing spring and the support pillar, can also play a role of sealing.

Description

Butterfly valve applied to petroleum processing

Technical Field

The utility model relates to a butterfly valve equipment technical field specifically is a be applied to oil processing's butterfly valve.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, the valve can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and mainly plays the roles of cutting off and throttling on a pipeline, a butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in a valve body, thereby achieving the purpose of opening and closing or regulating, petroleum or products are transported by a transportation pipeline in the petroleum processing process, the butterfly valve is not required to be frequently opened and closed, the butterfly valve on some pipelines is in an opening state for a long time and cannot be easily closed, but irrelevant personnel can open or close the valve when the valve is not required to be opened or closed for some reasons, the problem can occur more easily in the outdoor unattended valve, when the valve is used, inside has seal structure, but under the inside fluidic washing away of pipeline, and the internal diameter or the external diameter of sealing washer can change under the influence of expend with heat and contract with cold, lead to appearing the gap between butterfly plate and the valve body, appear leaking under the state that the valve was closed, the angle control flow that the butterfly valve can be opened through control butterfly plate, the angle that the unable audio-visual observation butterfly valve butterfly plate of current butterfly valve was opened, can only go to control the flow after the butterfly valve butterfly plate was opened through observing the flowmeter.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a be applied to oil processing's butterfly valve.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a butterfly valve applied to petroleum processing comprises a valve body, a valve rod, a valve plate, a valve seat and a valve neck, wherein the valve seat is arranged at the bottom end of the valve body, the bottom end of the valve rod is arranged in the valve seat, the top end of the valve rod penetrates through the valve body and the valve neck, the valve plate is arranged inside the valve body and is connected with the valve rod, a gear box is arranged at the top end of the valve neck, the top end of the valve rod is arranged in the gear box, a pointer and a connecting shaft are arranged at the top end of the gear box, the pointer is arranged at the top end of the connecting shaft, a connecting groove is arranged at the top end of the valve rod, the connecting groove is polygonal, the bottom end of the connecting shaft is inserted into the connecting groove, scales are arranged on the upper surface of the gear box, a first gear is arranged on the valve rod inside the gear box, a second gear and a gear shaft are arranged inside the gear box, and the second gear is arranged at one end of a gear shaft, the gear box is meshed with the first gear, the other end of the gear shaft penetrates through the gear box and is provided with a rotating shaft, one end of the gear shaft, which is far away from the second gear, is provided with a connecting block, a first connecting hole is formed in the connecting block, the inner wall of the first connecting hole is provided with a clamping groove, a spring hole is formed in the connecting block and is in a convex shape, an inserting rod and a return spring are arranged in the spring hole, one end of the inserting rod penetrates through the connecting block and extends into the clamping groove, the other end of the inserting rod is provided with a pressing block, the other end of the rotating shaft is arranged in the first connecting hole and is provided with a second connecting hole, the other end of the rotating shaft is provided with a hand wheel, a clamping block and a fixing spring are arranged in the second connecting hole, the second connecting hole is in a convex shape, and one end of the clamping block is in a T shape, the edge of valve plate is provided with the mounting groove, be provided with the sealed hole of a plurality of in the mounting groove, be provided with sealing spring and fore-set in the sealed hole, the one end that sealed hole was kept away from to the fore-set is provided with the arc, be provided with first sealing washer in the mounting groove, be provided with the second sealing washer on the inner wall of valve body.

Preferably, a protection box is arranged on the upper surface of the gear box, and the protection box is transparent.

In a further preferred mode, a first limiting block is arranged on the pressing block, the first limiting block is connected with the pressing block through a bolt, and the first limiting block is embedded into the rotating shaft.

In a further preferred mode, a box cover is arranged at the top end of the gear box, and the protection box, the pointer, the connecting shaft and the scales are all arranged on the box cover.

In a further preferred mode, a second limiting block is arranged at one end, arranged in the clamping groove, of the insertion rod.

In a further preferred embodiment, the first connection hole is provided in a polygonal shape.

In a further preferred mode, one end of the fixture block, which is far away from the second connecting hole, is provided with a hemispherical shape.

(III) advantageous effects

Compared with the prior art, the utility model provides a be applied to butterfly valve of oil processing possesses following beneficial effect:

the utility model can determine the opening angle of the valve plate through the scale pointed by the pointer, the opening angle of the valve plate can be more accurate through the hand wheel, the rotating shaft, the gear shaft, the first gear and the second gear, the detachable rotating shaft can be quickly disassembled and assembled, the rotating shaft can be disassembled to avoid the hand wheel being intentionally rotated by someone to cause loss, the fixture block is only needed to be pressed into the second connecting hole when the rotating shaft is installed, then the rotating shaft is inserted into the first connecting hole, after the rotating shaft is inserted into the first connecting hole, the fixture block can be inserted into the clamping groove, so that the rotating shaft can not be easily pulled out, when the rotating shaft is disassembled, only the pressing block needs to be pressed, the inserted rod supports against the fixture block, and leaves the fixture block out, the rotating rod can be pulled out, when the valve plate is closed, the sealing spring in the mounting groove on the side surface of the valve plate can push the first sealing ring through the top column and the arc-shaped plate, the first sealing ring and the second sealing ring can be tightly propped against the second sealing ring under any condition, so that the first sealing ring and the second sealing ring can still keep good sealing performance even after being worn.

Drawings

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

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic top view of the gear box and the rotating shaft according to the present invention;

fig. 4 is a schematic structural view of the connecting block of the present invention;

FIG. 5 is a partial schematic view of A in FIG. 1;

FIG. 6 is a schematic view of a portion of B in FIG. 1;

fig. 7 is a partial structural diagram of C in fig. 1.

In the figure: 1. a valve body; 2. a valve stem; 3. a valve plate; 4. a valve seat; 5. a valve neck; 6. a gear box; 7. a pointer; 8. a connecting shaft; 9. connecting grooves; 10. calibration; 11. a first gear; 12. a second gear; 13. A gear shaft; 14. a rotating shaft; 15. connecting blocks; 16. a first connection hole; 17. a card slot; 18. a spring hole; 19. inserting a rod; 20. a return spring; 21. a pressing block; 22. a second connection hole; 23. a hand wheel; 24. a clamping block; 25. fixing the spring; 26. mounting grooves; 27. sealing the hole; 28. a seal spring; 29. A top pillar; 30. an arc-shaped plate; 31. a first seal ring; 32. a second seal ring; 33. a protection box; 34. A first stopper; 35. a box cover; 36. and a second limiting block.

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.

Example (b):

referring to fig. 1-7, a butterfly valve applied to petroleum processing includes a valve body 1, a valve stem 2, a valve plate 3, a valve seat 4 and a valve neck 5, the valve seat 4 is disposed at the bottom end of the valve body 1, the bottom end of the valve stem 2 is disposed in the valve seat 4, and the top end of the valve stem 2 passes through the valve body 1 and the valve neck 5, the valve plate 3 is disposed inside the valve body 1 and connected to the valve stem 2, a gear box 6 is disposed at the top end of the valve neck 5, the top end of the valve stem 2 is disposed in the gear box 6, a pointer 7 and a connecting shaft 8 are disposed at the top end of the gear box 6, the pointer 7 is disposed at the top end of the connecting shaft 8, a connecting groove 9 is disposed at the top end of the valve stem 2, the connecting groove 9 is polygonal, the bottom end of the connecting shaft 8 is inserted into the connecting groove 9, a scale 10 is disposed on the upper surface of the gear box 6, a first gear 11 is disposed on the valve stem 2 inside the gear box 6, the gear box 6 is internally provided with a second gear 12 and a gear shaft 13, the second gear 12 is arranged at one end of the gear shaft 13 and meshed with the first gear 11, the other end of the gear shaft 13 penetrates through the gear box 6 and is provided with a rotating shaft 14, one end of the gear shaft 13, which is far away from the second gear 12, is provided with a connecting block 15, the connecting block 15 is provided with a first connecting hole 16, the inner wall of the first connecting hole 16 is provided with a clamping groove 17, the connecting block 15 is provided with a spring hole 18, the spring hole 18 is arranged in a shape like a Chinese character 'tu', the spring hole 18 is internally provided with an inserted link 19 and a return spring 20, one end of the inserted link 19 penetrates through the connecting block 15 and extends into the clamping groove 17, the other end of the inserted link 19 is provided with a pressing block 21, and the other end of the rotating shaft 14 is arranged in the first connecting hole 16, and this end is provided with second connecting hole 22, the other end of axis of rotation 14 is provided with hand wheel 23, be provided with fixture block 24 and fixed spring 25 in the second connecting hole 22, second connecting hole 22 sets up to "protruding" font, the one end of fixture block 24 sets up to the T shape, the edge of valve plate 3 is provided with mounting groove 26, be provided with a plurality of sealed hole 27 in the mounting groove 26, be provided with sealing spring 28 and fore-set 29 in the sealed hole 27, the one end that the fore-set 29 kept away from sealed hole 27 is provided with arc 30, be provided with first sealing washer 31 in the mounting groove 26, be provided with second sealing washer 32 on the inner wall of valve body 1.

In this embodiment, a protective box 33 is disposed on the upper surface of the gear box 6, and the protective box 33 is transparent. Pointer 7 is thinner for accurate pointing, and protection box 33 can protect pointer 7, avoids pointer 7 because unexpected fracture, and protection box 33 preferably uses bolt and gear box 6 to connect.

In this embodiment, the pressing block 21 is provided with a first stopper 34, the first stopper 34 is connected to the pressing block 21 by a bolt, and the first stopper 34 is embedded in the rotating shaft 14. The first stopper 34 can seal the spring hole 18, so that rainwater, dust and the like can be prevented from entering the spring hole 18 when the rotating shaft 14 is not used for a long time, and the return spring 20 and the insertion rod 19 are rusted.

In this embodiment, a box cover 35 is arranged at the top end of the gear box 6, and the protection box 33, the pointer 7, the connecting shaft 8 and the scale 10 are all arranged on the box cover 35. The box cover 35 and the gear box 6 are preferably bolted, and the presence of the box cover 35 allows one to service the first gear 11 and the second gear 12 in the gear box 6.

In this embodiment, the end of the insertion rod 19 disposed in the slot 17 is provided with a second stopper 36. The second stopper 36 prevents the plunger 19 from being pulled out of the spring hole 18.

In the present embodiment, the first connection hole 16 is provided in a polygonal shape. The polygonal first connecting hole 16 enables the latch 24 to be accurately inserted into the latch groove 17 after the rotating shaft 14 is inserted, and simultaneously enables the rotating shaft 14 and the connecting block 15 to be synchronously rotated.

In this embodiment, an end of the latch 24 away from the second connecting hole 22 is formed in a hemispherical shape. The top end of the fixture block 24 is hemispherical, so that the fixture block 24 has certain fault-tolerant capability, and the rotating shaft 14 can be pulled out even if the inserted rod 19 cannot push the fixture block 24 out of the fixture groove 17 completely.

The working principle is as follows:

in summary, when in use, the valve body 1 is installed on a pipeline, the rotating shaft 14 is inserted into the first connecting hole 16 while the fixture block 24 is pressed into the second connecting hole 22, after the rotating shaft 14 is completely inserted into the first connecting hole 16, the fixture block 24 is inserted into the fixture groove 17, so that the rotating shaft 14 is not pulled out from the first connecting hole 16, the hand wheel 23 is rotated, the rotating shaft 14, the connecting block 15, the gear shaft 13 and the second gear 12 rotate synchronously, the second gear 12 rotates the first gear 11, the first gear 11 drives the connecting shaft 8 of the valve rod 2 to rotate, the valve rod 2 rotates the valve plate 3, the valve plate 3 is opened, the connecting shaft 8 rotates the pointer 7, the pointer 7 points to a certain scale 10, sealing measures are already taken between the valve rod 2 and the valve body 1, between the valve rod 2 and the valve seat 4 and between the valve rod 2 and the valve neck 5, when a certain scale 10 of the pointer 7, representing that the valve plate 3 is opened at a corresponding angle, the existence of the protection box 33 enables a person to clearly see the direction of the pointer 7 and simultaneously avoid the pointer 7 and the scales 10 from being damaged, the rotating shaft 14 is disassembled, the pressing block 21 is pressed to enable the insertion rod 19 to be inserted into the clamping groove 17, the second limiting block 36 is abutted against the clamping block 24, the clamping block 24 is pushed out of the clamping groove 17, at the moment, the rotating shaft 14 can be directly pulled out, when the rotating shaft 14 is not used for a long time, the first limiting block 34 and the pressing block 21 can be connected, the first limiting block 34 is slightly larger than the spring hole 18 and can seal the spring hole 18, so that external rainwater, dust and the like cannot enter the spring hole 18, the return spring 20 and the insertion rod 19 are prevented from rusting, the steps of closing the valve plate 3 and opening the valve plate 3 are the same, but the pointer 7 points to the closing state of the valve plate 3, when the valve plate 3, first sealing washer 31 deformation makes the arc 30 remove to the mounting groove 26, and the fore-set 29 in the sealed hole 27 makes sealing spring 28 compress, and when the inner wall of valve plate 3 and valve body 1 was perpendicular, sealing spring 28's elasticity was in the biggest state, and first sealing washer 31 can be tightly laminated with second sealing washer 32 under the effort that sealing spring 28 passed through fore-set 29 and arc 30 transmission, even if first sealing washer 31 and second sealing washer 32 were worn and torn, also can play fine sealed effect.

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. The utility model provides a be applied to oil processing's butterfly valve, includes valve body (1), valve rod (2), valve plate (3), disk seat (4) and valve neck (5), disk seat (4) set up the bottom at valve body (1), the bottom of valve rod (2) sets up in disk seat (4), and the top passes valve body (1) and valve neck (5), valve plate (3) set up in the inside of valve body (1), and are connected with valve rod (2), the top of valve neck (5) is provided with gear box (6), and the top of valve rod (2) sets up in gear box (6), its characterized in that: the top of the gear box (6) is provided with a pointer (7) and a connecting shaft (8), the pointer (7) is arranged at the top of the connecting shaft (8), the top of the valve rod (2) is provided with a connecting groove (9), the connecting groove (9) is polygonal, the bottom of the connecting shaft (8) is inserted into the connecting groove (9), the upper surface of the gear box (6) is provided with scales (10), the valve rod (2) inside the gear box (6) is provided with a first gear (11), the gear box (6) is internally provided with a second gear (12) and a gear shaft (13), the second gear (12) is arranged at one end of the gear shaft (13) and meshed with the first gear (11), the other end of the gear shaft (13) penetrates through the gear box (6), the end is provided with a rotating shaft (14), and one end of the gear shaft (13) far away from the second gear (12) is provided with a connecting block (15), the connecting block (15) is provided with a first connecting hole (16), the inner wall of the first connecting hole (16) is provided with a clamping groove (17), the connecting block (15) is provided with a spring hole (18), the spring hole (18) is arranged in a convex shape, an inserting rod (19) and a return spring (20) are arranged in the spring hole (18), one end of the inserting rod (19) penetrates through the connecting block (15) and extends into the clamping groove (17), the other end of the inserting rod (19) is provided with a pressing block (21), the other end of the rotating shaft (14) is arranged in the first connecting hole (16), the end is provided with a second connecting hole (22), the other end of the rotating shaft (14) is provided with a hand wheel (23), the second connecting hole (22) is internally provided with a clamping block (24) and a fixed spring (25), the second connecting hole (22) is arranged in a convex shape, the one end of fixture block (24) sets up to the T shape, the edge of valve plate (3) is provided with mounting groove (26), be provided with a plurality of sealing hole (27) in mounting groove (26), be provided with sealing spring (28) and fore-set (29) in sealing hole (27), the one end that sealing hole (27) were kept away from in fore-set (29) is provided with arc (30), be provided with first sealing washer (31) in mounting groove (26), be provided with second sealing washer (32) on the inner wall of valve body (1).

2. The butterfly valve for petroleum processing according to claim 1, wherein: the upper surface of gear box (6) is provided with protection box (33), protection box (33) set up to transparent.

3. The butterfly valve for petroleum processing according to claim 1, wherein: the pressing block (21) is provided with a first limiting block (34), the first limiting block (34) is connected with the pressing block (21) through a bolt, and the first limiting block (34) is embedded into the rotating shaft (14).

4. A butterfly valve for oil processing according to claim 2, characterized in that: the top end of the gear box (6) is provided with a box cover (35), and the protection box (33), the pointer (7), the connecting shaft (8) and the scales (10) are all arranged on the box cover (35).

5. The butterfly valve for petroleum processing according to claim 1, wherein: one end of the inserted bar (19) arranged in the clamping groove (17) is provided with a second limiting block (36).

6. The butterfly valve for petroleum processing according to claim 1, wherein: the first connection hole (16) is provided in a polygonal shape.

7. The butterfly valve for petroleum processing according to claim 1, wherein: one end of the fixture block (24) far away from the second connecting hole (22) is hemispherical.