CN213451705U

CN213451705U - Combined stainless steel valve

Info

Publication number: CN213451705U
Application number: CN202021584252.0U
Authority: CN
Inventors: 胡钦中; 胡建明
Original assignee: Xinghua Liming Machinery Parts Factory
Current assignee: Xinghua Liming Machinery Parts Factory
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-06-15
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses a modular stainless steel valve, including valve body, connecting pipe, connecting seat, the valve body both sides are fixed respectively and the through connection has a fixed pipe, a connecting seat of the equal fixedly connected with of fixed pipe end, a fixed pipe one side fixedly connected with connecting pipe is kept away from to the connecting seat, be provided with a connecting seat on the connecting pipe equally, and through tight set bolt fixed connection between two connecting seats, a fixedly connected with disk seat in the middle of the bottom in the valve body, the disk seat top is provided with a valve rod, the valve rod sets up perpendicularly, and runs through the valve body top and extend to the outside, valve rod and valve body top contact department are provided with the threaded rod, a threaded rod top fixedly connected with hand wheel, the corresponding fixed pipe kneck level in valve body inner wall both sides is provided with the. The utility model discloses in, drive the valve rod through rotating the hand wheel and reciprocate, and then drive the valve plate and seal the interior runner of valve body, realize the switching of valve, easy operation and practicality are strong.

Description

Combined stainless steel valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to a modular stainless steel valve.

Background

The valve is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, is used for valves of a fluid control system, has quite a plurality of varieties and specifications from the simplest stop valve to various valves used in an extremely complex automatic control system, and can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

When the existing combined valve is closed or opened, the internal valve plate is easily subjected to large impact force to drive the valve rod to rotate, so that the upper hand wheel rotates, and the valve cannot be tightly closed or stably opened for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a combined stainless steel valve.

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

a combined stainless steel valve comprises a valve body, connecting pipes and connecting seats, wherein two sides of the valve body are respectively fixedly and penetratingly connected with a fixed pipe, the tail ends of the fixed pipes are fixedly connected with a connecting seat, one side of the connecting seat, far away from the fixed pipe, is fixedly connected with the connecting pipe, the connecting pipe is also provided with the connecting seat, the two connecting seats are fixedly connected through a fastening bolt, a valve seat is fixedly connected with the middle of the bottom in the valve body, a valve rod is arranged above the valve seat, the valve rod is vertically arranged and extends to the outside through the top of the valve body, a threaded rod is arranged at the contact part of the valve rod and the top of the valve body, a hand wheel is fixedly connected with the top of the threaded rod, connecting cylinders are horizontally arranged at two sides of the inner wall of the valve body corresponding to the joint part of the fixed pipes, conical cylinder plates are fixedly connected with, the lower valve plate is characterized in that one side below the lower valve plate is fixedly connected with a sealing plate, the threaded rod is connected with a threaded sleeve in a threaded manner, the bottom of the threaded sleeve is rotatably connected with a sealing ring, a threaded groove is formed in the top of the valve body, and the sealing ring is provided with convex rings around and is in threaded connection with the threaded groove.

As a further description of the above technical solution:

the distance between the upper valve plate and the lower valve plate is the same as the diameter of the conical barrel plate and is smaller than the height of the sealing plate.

As a further description of the above technical solution:

the width of the upper valve plate and the lower valve plate is larger than the distance between the conical cylinder plates at the two sides.

As a further description of the above technical solution:

a window is arranged in the right middle of the outer side of the valve body and corresponds to the valve rod.

As a further description of the above technical solution:

the direction of the upper thread of the threaded rod is opposite to that of the outer thread of the threaded sleeve, and the direction of the inner thread of the thread groove is the same as that of the upper thread of the threaded rod.

As a further description of the above technical solution:

a groove is formed in the middle of the valve seat, and the diameter of the groove is larger than that of the valve rod.

As a further description of the above technical solution:

the valve body main part is made of stainless steel.

The utility model discloses following beneficial effect has:

1. the utility model discloses in through the mutual spiral shell of top thread bush and sealing ring tight, the spiral shell is tight between thread bush and the threaded rod, because opposite direction, forms the locking to the threaded rod between two sets of spiral shells are tight, make opening and closure that the valve can be stable, guarantee the valve quality.

2. The utility model discloses in through the mode that adopts the sub-assembly, be connected with external pipeline, be convenient for dismantle and install, easy operation, the practicality is strong.

Drawings

Fig. 1 is a schematic structural view of a combined stainless steel valve provided by the present invention;

fig. 2 is a front view of a combined stainless steel valve provided by the present invention;

fig. 3 is a schematic view of a part a in fig. 1 of a combined stainless steel valve according to the present invention.

Illustration of the drawings:

1. a valve body; 2. tightening the bolt; 3. a connecting pipe; 4. a connecting seat; 5. a fixed tube; 6. a connecting cylinder; 7. a threaded sleeve; 8. a threaded rod; 9. a hand wheel; 10. an upper valve plate; 11. a conical tube plate; 12. a valve stem; 13. a lower valve plate; 14. a valve seat; 15. a sealing plate; 16. a window; 17. a seal ring; 18. a thread groove; 19. a convex ring.

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.

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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated 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 in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a combined stainless steel valve comprises a valve body 1, connecting pipes 3 and connecting seats 4, wherein two sides of the valve body 1 are respectively fixedly and penetratingly connected with a fixed pipe 5, the tail ends of the fixed pipes 5 are fixedly connected with a connecting seat 4, one side of the connecting seat 4 far away from the fixed pipe 5 is fixedly connected with a connecting pipe 3, the connecting pipe 3 is also provided with a connecting seat 4, the two connecting seats 4 are fixedly connected through a fastening bolt 2, the middle of the bottom in the valve body 1 is fixedly connected with a valve seat 14, a valve rod 12 is arranged above the valve seat 14 and vertically arranged and extends to the outside through the top of the valve body 1, a threaded rod 8 is arranged at the contact part of the valve rod 12 and the top of the valve body 1, the top of the threaded rod 8 is fixedly connected with a hand wheel 9, connecting cylinders 6 are horizontally arranged at the positions, corresponding to the interfaces of the fixed pipes 5, an upper valve plate 10 and a lower valve plate 13 are fixedly connected to the position, corresponding to the conical barrel plate 11, of the valve rod 12, a sealing plate 15 is fixedly connected to one side below the lower valve plate 13, a threaded sleeve 7 is connected to the threaded rod 8 in a threaded mode, a sealing ring 17 is rotatably connected to the bottom of the threaded sleeve 7, a threaded groove 18 is formed in the top of the valve body 1, and convex rings 19 are arranged on the periphery of the sealing ring 17 and are in threaded connection with the threaded groove 18.

The distance between the upper valve plate 10 and the lower valve plate 13 is the same as the diameter of the conical barrel plate 11 and is smaller than the height of the sealing plate 15, the width of the upper valve plate 10 and the width of the lower valve plate 13 are larger than the distance between the conical barrel plates 11 at two sides, a window 16 is arranged at the right middle part of the outer side of the valve body 1 corresponding to the position of the valve rod 12, the direction of the upper thread of the threaded rod 8 is opposite to the direction of the outer thread of the threaded sleeve 7, the direction of the inner thread of the threaded groove 18 is the same as that of the upper thread of the threaded rod 8, a groove is arranged in the middle of the.

The working principle is as follows:

1. the fixing pipes on the two sides of the valve are connected with the connecting pipe, and the connecting seats are fixed by using the fastening bolts.

2. When the valve needs to be opened, the hand wheel is rotated, the valve rod rotates downwards to drive the upper valve plate and the lower valve plate to move downwards, when the upper valve plate is contacted with the top of the conical barrel plate, the upper valve plate reaches a limit position, and at the moment, the valve is completely opened.

3. When the valve needs to be closed, the hand wheel is rotated reversely, the valve rod moves upwards, the bottom of the valve rod moves out of the valve seat, and when the lower valve plate moves upwards, the sealing plate moves upwards simultaneously to seal a flow channel in the conical cylinder plate; when the lower valve plate is contacted with the inner top wall of the conical cylinder plate, the valve reaches a limit position, and the valve is completely closed.

4. When the valve needs to be kept in a certain closed state, the position of the valve plate is determined through the window, the hand wheel is fixed at the position, the sealing ring is rotated to enable the sealing ring to be screwed tightly with the threaded sleeve, meanwhile, the threaded sleeve is rotated downwards, and the convex ring at the bottom of the sealing ring is screwed tightly with the threaded groove.

5. Because the external screw thread direction is opposite in the thread bush, when the screw rod needs to rotate, the resistance that receives the thread bush can't rotate, the mutual spiro union between thread bush and the sealing ring is tight, and the sealing ring is fixed on the valve body, and then forms the locking to the valve rod.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a modular stainless steel valve, includes valve body (1), connecting pipe (3), connecting seat (4), its characterized in that: the valve body (1) is characterized in that two sides of the valve body (1) are respectively fixedly and penetratingly connected with a fixed pipe (5), the tail end of the fixed pipe (5) is fixedly connected with a connecting seat (4), one side of the connecting seat (4) far away from the fixed pipe (5) is fixedly connected with a connecting pipe (3), the connecting pipe (3) is also provided with the connecting seat (4), the two connecting seats (4) are fixedly connected through a fastening bolt (2), the middle of the bottom in the valve body (1) is fixedly connected with a valve seat (14), a valve rod (12) is arranged above the valve seat (14), the valve rod (12) is vertically arranged and extends to the outside through the top of the valve body (1), a threaded rod (8) is arranged at the contact position of the top of the valve rod (12) and the valve body (1), a hand wheel (9) is fixedly connected at the top of the threaded rod (8), connecting barrels (6) are horizontally arranged at the, the valve is characterized in that the tail end of the connecting cylinder (6) is fixedly connected with a conical cylinder plate (11), the valve rod (12) is provided with an upper valve plate (10) and a lower valve plate (13) corresponding to the conical cylinder plate (11), one side of the lower valve plate (13) is fixedly connected with a sealing plate (15), the threaded rod (8) is provided with a threaded sleeve (7), the bottom of the threaded sleeve (7) is rotatably connected with a sealing ring (17), the top of the valve body (1) is provided with a thread groove (18), and the sealing ring (17) is provided with convex rings (19) all around and is in threaded connection with the thread groove (18).

2. A modular stainless steel valve according to claim 1, wherein: the distance between the upper valve plate (10) and the lower valve plate (13) is the same as the diameter of the conical tube plate (11), and is smaller than the height of the sealing plate (15).

3. A modular stainless steel valve according to claim 1, wherein: the width of the upper valve plate (10) and the width of the lower valve plate (13) are larger than the distance between the conical cylinder plates (11) on the two sides.

4. A modular stainless steel valve according to claim 1, wherein: a window (16) is arranged at the right middle of the outer side of the valve body (1) corresponding to the valve rod (12).

5. A modular stainless steel valve according to claim 1, wherein: the direction of the upper thread of the threaded rod (8) is opposite to that of the outer thread of the threaded sleeve (7), and the direction of the inner thread of the thread groove (18) is the same as that of the upper thread of the threaded rod (8).

6. A modular stainless steel valve according to claim 1, wherein: a groove is arranged in the middle of the valve seat (14), and the diameter of the groove is larger than that of the valve rod (12).

7. A modular stainless steel valve according to claim 1, wherein: the valve body (1) main body is made of stainless steel.