CN215596430U

CN215596430U - Butterfly valve that high accuracy was adjusted

Info

Publication number: CN215596430U
Application number: CN202121919498.3U
Authority: CN
Inventors: 李震
Original assignee: Shanghai Runtao Industrial Co ltd
Current assignee: Shanghai Runtao Industrial Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-01-21
Anticipated expiration: 2031-08-16

Abstract

The utility model relates to the technical field of butterfly valves, and particularly discloses a high-precision adjusting butterfly valve which comprises a valve body, a valve plate, a fixed seat and a handle, wherein a valve cavity is arranged in the valve body, the middle part of the valve cavity is of a spherical structure, and the valve plate is arranged in the spherical structure in a matching manner; the top end of the valve plate is provided with an upper valve rod, the bottom end opposite to the upper valve rod is provided with a lower valve rod, and the lower valve rod is connected with the inside of the valve cavity through a rotating shaft; the fixed seat is of a cylindrical structure, and the handle is arranged on the fixed seat through a connecting shaft; the top of the upper valve rod penetrates through the fixed seat and is connected with the connecting shaft; the handle is integrally of an annular structure, and flange seats are arranged at two ends of the valve body; the butterfly valve provided by the utility model can lock and fix the upper valve rod of the valve plate through the locking pin on the side surface, so that the position of the valve plate is locked, the influence of the rotation on the opening angle of the valve plate is avoided, the use effect is further ensured, and the effect of high-precision control can be realized.

Description

Butterfly valve that high accuracy was adjusted

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve capable of being adjusted with high precision.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve with a closing part (valve clack or butterfly plate) as a disc and rotating around a valve shaft to achieve opening and closing.

When the butterfly valve is opened, the valve plate of the butterfly valve receives fluid impact, and the butterfly valve is easy to deflect in angle and is not beneficial to adjustment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a butterfly valve with high-precision adjustment, which solves the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a high-precision adjusting butterfly valve comprises a valve body, a valve plate, a fixed seat and a handle, wherein a valve cavity is arranged in the valve body, the middle part of the valve cavity is of a spherical structure, and the valve plate is arranged in the spherical structure in a matched mode; the top end of the valve plate is provided with an upper valve rod, the bottom end opposite to the upper valve rod is provided with a lower valve rod, and the lower valve rod is connected with the inside of the valve cavity through a rotating shaft; the fixed seat is of a cylindrical structure, and the handle is arranged on the fixed seat through a connecting shaft; the top of the upper valve rod penetrates through the fixed seat and is connected with the connecting shaft; the handle is integrally of an annular structure, and flange seats are arranged at two ends of the valve body.

Preferably, the valve plate is provided with a reinforcing rib, the outer side of the valve plate is wrapped with a sealing sleeve, and the sealing sleeve is made of rubber materials.

Preferably, the reinforcing ribs are symmetrically arranged on the surfaces of the two sides of the valve plate, the reinforcing ribs are distributed in a shape like a Chinese character 'mi', and the center positions of the reinforcing ribs and the circle center position of the valve plate are overlapped; the section of the reinforcing rib is of an equilateral triangle structure.

Preferably, a connecting groove is formed in the position where the valve body is connected with the fixing seat, and the upper valve rod penetrates through the connecting groove; and a sealing ring is arranged in the connecting groove and is sleeved outside the upper valve rod in a matching manner.

Preferably, the side face of the fixing seat is transversely provided with a locking pin, the fixing seat is provided with a screw hole, the locking pin is installed in the screw hole through a threaded structure, and the end part of the locking pin is abutted to the upper valve rod.

Preferably, a rotating groove is formed in the fixed seat, and a twisting block is arranged in the rotating groove; the upper side and the lower side of the rotating groove are provided with circular through grooves, and the connecting shaft and the upper valve rod are arranged in the through grooves on the upper side and the lower side respectively.

Preferably, the twisting block is fixedly connected with the upper valve rod, a clamping groove is formed in the twisting block, and the end part of the connecting shaft is clamped in the clamping groove.

Preferably, the clamping groove is any one of a square groove, a triangular groove and a hexagonal groove.

Compared with the prior art, the utility model has the beneficial effects that: the butterfly valve provided by the utility model can lock and fix the upper valve rod of the valve plate through the locking pin on the side surface, so that the position of the valve plate is locked, the influence of the rotation on the opening angle of the valve plate is avoided, the use effect is further ensured, and the effect of high-precision control can be realized.

Drawings

FIG. 1 is a schematic structural view of the present invention;

reference numbers in the figures: 1. a valve body; 11. a valve cavity; 12. a flange seat; 2. a valve plate; 21. reinforcing ribs; 22. an upper valve stem; 23. a lower valve stem; 24. connecting grooves; 25. a seal ring; 26. sealing sleeves; 3. a fixed seat; 31. a rotating groove; 32. twisting the block; 33. a locking pin; 4. a handle; 41. and (7) connecting the shafts.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1, the present invention provides a technical solution: a high-precision adjusting butterfly valve comprises a valve body 1, a valve plate 2, a fixed seat 3 and a handle 4, wherein a valve cavity 11 is arranged in the valve body 1, the middle part of the valve cavity 11 is of a spherical structure, and the valve plate 2 is arranged in the spherical structure in a matched mode; the top end of the valve plate 2 is provided with an upper valve rod 22, the bottom end opposite to the upper valve rod is provided with a lower valve rod 23, and the lower valve rod 23 is connected with the inside of the valve cavity 11 through a rotating shaft; the fixed seat 3 is of a cylindrical structure, and the handle 4 is arranged on the fixed seat 3 through a connecting shaft 41; the top of the upper valve rod 22 penetrates through the fixed seat 3 and is connected with the connecting shaft 41; the handle 4 is of an annular structure as a whole, and flange seats 12 are arranged at two ends of the valve body 1.

Further, the valve plate 2 is provided with a reinforcing rib 21, the outer side of the valve plate 2 is wrapped with a sealing sleeve 26, and the sealing sleeve 26 is made of rubber materials.

Further, the reinforcing ribs 21 are symmetrically arranged on the surfaces of the two sides of the valve plate 2, the reinforcing ribs 21 are distributed in a shape like a Chinese character 'mi', and the center positions of the reinforcing ribs 21 and the circle center position of the valve plate 2 are overlapped; the section of the reinforcing rib 21 is in an equilateral triangle structure.

Further, a connecting groove 24 is arranged at a position where the valve body 1 is connected with the fixed seat 3, and the upper valve rod 22 penetrates through the connecting groove 24; a sealing ring 25 is arranged in the connecting groove 24, and the sealing ring 25 is sleeved outside the upper valve rod 22 in a matching manner.

Further, the side of the fixed seat 3 is transversely provided with a locking pin 33, the fixed seat 3 is provided with a screw hole, the locking pin 33 is installed in the screw hole through a thread structure, and the end part of the locking pin 33 is abutted against the upper valve rod 22.

Further, a rotating groove 31 is formed in the fixed seat 3, and a twisting block 32 is arranged in the rotating groove 31; the upper side and the lower side of the rotating groove 31 are provided with circular through grooves, and the connecting shaft 41 and the upper valve rod 22 are respectively arranged in the through grooves on the upper side and the lower side.

Further, the twisting block 32 is fixedly connected with the upper valve rod 22, a clamping groove is formed in the twisting block 32, and the end portion of the connecting shaft 41 is clamped in the clamping groove.

Furthermore, the clamping groove is any one of a square groove, a regular triangular groove and a regular hexagonal groove.

The working principle is as follows: in the actual use process, the valve body 1 is installed through the flange seats 12 at the two ends; the locking pin 33 on the side face of the fixing seat 3 is matched with the screw hole, the position of the locking pin 33 is adjusted, the upper valve rod 22 is locked, deflection caused by fluid impact after the valve plate 2 is opened is avoided, and the effect of high-precision control can be achieved. The arrangement of the reinforcing ribs 21 strengthens the structural strength of the butterfly valve from two sides of the valve plate 2, and prolongs the service life of the butterfly valve. The sealing ring 25 in the connecting groove 24 prevents fluid from leaking out of the connecting groove 24, and similarly, the sealing sleeve 26 wrapped outside the valve plate 2 also has a sealing effect, so that the leakage phenomenon when the valve plate 2 is completely locked is avoided.

The knob 32 passes through the rotating groove 31, and a user rotates the handle 4 to enable the connecting shaft 41 to drive the knob 32 and the upper valve rod 22 to rotate, so that the valve plate 2 is adjusted in a rotating mode. The handle 4 is clamped in the clamping groove of the twisting block 32 through the end part of the connecting shaft 41, so that the handle 4 can be taken down when not used, other handles can be replaced for use, and the use mode is more flexible and changeable; meanwhile, the torsion block 32 can be driven by a motor controller through a thread groove and a motor rotating shaft through a thread motor, so that the adjustment and control are more accurate.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a butterfly valve that high accuracy was adjusted which characterized in that: the valve comprises a valve body (1), a valve plate (2), a fixed seat (3) and a handle (4), wherein a valve cavity (11) is arranged in the valve body (1), the middle part of the valve cavity (11) is of a spherical structure, and the valve plate (2) is arranged in the spherical structure in a matched mode; the top end of the valve plate (2) is provided with an upper valve rod (22), the bottom end opposite to the upper valve rod is provided with a lower valve rod (23), and the lower valve rod (23) is connected with the inside of the valve cavity (11) through a rotating shaft; the fixed seat (3) is of a cylindrical structure, and the handle (4) is arranged on the fixed seat (3) through a connecting shaft (41); the top of the upper valve rod (22) penetrates through the fixed seat (3) and is connected with the connecting shaft (41); the handle (4) is of an annular structure as a whole, and flange seats (12) are arranged at two ends of the valve body (1).

2. A high precision tuning butterfly valve according to claim 1, characterized in that: the valve plate (2) is provided with a reinforcing rib (21), the outer side of the valve plate (2) is wrapped with a sealing sleeve (26), and the sealing sleeve (26) is made of rubber materials.

3. A high precision tuning butterfly valve according to claim 2, characterized in that: the reinforcing ribs (21) are symmetrically arranged on the surfaces of the two sides of the valve plate (2), the reinforcing ribs (21) are distributed in a shape like a Chinese character 'mi', and the center positions of the reinforcing ribs (21) are overlapped with the circle center position of the valve plate (2); the section of the reinforcing rib (21) is of an equilateral triangle structure.

4. A high precision tuning butterfly valve according to claim 1, characterized in that: a connecting groove (24) is formed in the position where the valve body (1) is connected with the fixing seat (3), and the upper valve rod (22) penetrates through the connecting groove (24); a sealing ring (25) is arranged in the connecting groove (24), and the sealing ring (25) is sleeved on the outer side of the upper valve rod (22) in a matching mode.

5. A high precision tuning butterfly valve according to claim 1, characterized in that: the improved valve is characterized in that a locking pin (33) is transversely arranged on the side face of the fixing seat (3), a screw hole is formed in the fixing seat (3), the locking pin (33) is installed in the screw hole through a threaded structure, and the end part of the locking pin (33) is abutted to the upper valve rod (22).

6. A high precision tuning butterfly valve according to claim 1, characterized in that: a rotating groove (31) is formed in the fixed seat (3), and a twisting block (32) is arranged in the rotating groove (31); the upper side and the lower side of the rotating groove (31) are provided with circular through grooves, and the connecting shaft (41) and the upper valve rod (22) are arranged in the through grooves on the upper side and the lower side respectively.

7. A high precision tuning butterfly valve according to claim 6, characterized in that: the twisting block (32) is fixedly connected with the upper valve rod (22), a clamping groove is formed in the twisting block (32), and the end portion of the connecting shaft (41) is clamped in the clamping groove.

8. A high precision tuning butterfly valve according to claim 7, characterized in that: the clamping groove is any one of a square groove, a triangular groove and a hexagonal groove.