CN217898815U

CN217898815U - Butt clamp type pneumatic butterfly valve

Info

Publication number: CN217898815U
Application number: CN202221317275.4U
Authority: CN
Inventors: 祝燕; 戴文军
Original assignee: Nanjing Ruisen Machinery Engineering Co ltd
Current assignee: Nanjing Ruisen Machinery Engineering Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-11-25
Anticipated expiration: 2032-05-26

Abstract

The utility model discloses a wafer formula pneumatic butterfly valve, including pneumatic organism, valve body and installing frame, the connecting block is installed to the bottom of pneumatic organism, the valve body is installed to the bottom of a protection section of thick bamboo, the installing frame is installed at the top of pneumatic organism, the connecting pipe is installed in the outside of valve body, the filter screen is installed to the inboard of connecting pipe, the locking bolt is installed in running through to the bottom of connecting pipe, the disk seat is installed to the bottom of valve body. The utility model discloses an install the driving gear at the output of transfer line, the user of service manually rotates the rolling disc when pneumatic organism breaks down, and the rolling disc drives the transfer line and makes the driving gear rotatory with driven gear meshing transmission, and the valve rod drives the valve plate under the drive action and rotates opening and the closure that realizes the butterfly valve, security when having improved the use, and the sealing gasket has strengthened the practicality when having guaranteed the valve rod rotation sealing strength between valve body and the valve plate.

Description

Butt clamp type pneumatic butterfly valve

Technical Field

The utility model relates to the technical field of valves, specifically be a wafer formula pneumatic butterfly valve.

Background

The butterfly valve is a regulating valve with simple structure, and can be used for on-off control of low-pressure pipeline medium, and is a valve whose closing member is made into the form of disk, and can be rotated around valve shaft to open and close, and can be used for controlling the flow of various fluids of air, water, steam, various corrosive media, slurry, oil product, liquid metal and radioactive medium, etc. and mainly has the functions of cutting off and throttling, and its opening and closing member is a disk-shaped butterfly valve, and can be rotated around its self-axis in the valve body so as to attain the goal of opening and closing or regulating.

The pneumatic butterfly valve in the prior art has the following defects:

patent document CN207122589U a pneumatic butterfly valve "the utility model provides a pneumatic butterfly valve, including valve body, valve rod and pneumatic means, its characterized in that: the pneumatic valve is characterized in that the valve body comprises a gasket and a valve plate, a hole is formed in the surface of the valve body, the valve plate is provided with a connecting rod, the connecting rod is connected with the valve plate through the hole, the pneumatic device comprises a cylinder and a rotating shaft, and the valve rod is connected with the rotating shaft. The utility model has the advantages that: the utility model discloses a mode of valve rod and valve plate outer joint has reduced because the harm of valve plate and whole pneumatic valve abandonment loss cost, reduces the extravagant phenomenon of material. "pneumatic butterfly valve does not possess among the prior art and carries out filterable function to impurity in the fluid, uses for a long time and easily causes wearing and tearing to valve body inner wall and valve plate, can't guarantee the good performance of butterfly valve, has shortened life, and does not possess when pneumatic organism breaks down and controls the valve body and open with closed function, and practicality is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic butterfly valve of wafer formula to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the butt-clamping type pneumatic butterfly valve comprises a pneumatic machine body, a valve body and an installation frame, wherein a connecting block is installed at the bottom of the pneumatic machine body, a protective cylinder is installed at the bottom of the connecting block, the valve body is installed at the bottom end of the protective cylinder, and a valve plate is installed inside the valve body;

the top of the pneumatic machine body is provided with an installation frame, the outer side of the installation frame is provided with a transmission rod in a penetrating mode, the output end of the transmission rod is provided with a driving gear, and the outer side of the valve body is provided with a connecting pipe;

the filter screen is installed to the inboard of connecting pipe, the bottom of connecting pipe is run through and is installed locking bolt, and installs between filter screen and the locking bolt and prevent the retainer, the disk seat is installed to the bottom of valve body.

Preferably, the top of pneumatic organism is run through and is installed the valve rod, and the bottom of valve rod is connected with the top of valve plate, and driven gear is installed in the outside of valve rod, and driven gear meshes with the driving gear mutually.

Preferably, the sealing ring is installed on the inner side of the valve body, the top of the valve plate is movably connected with the valve body through an upper shaft sleeve, and the sealing gasket is installed at the top of the upper shaft sleeve.

Preferably, the input end of the transmission rod is provided with a rotating disc.

Preferably, the outer end of the connecting pipe is provided with a flange.

Preferably, the locking bolt is internally provided with a fixed seat, and the outer side of the fixed seat is provided with a bearing.

Preferably, the valve seat is movably connected with the bottom of the valve plate through a lower shaft sleeve.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses an install the driving gear at the output of transfer line, the user of service manually rotates the rolling disc when pneumatic organism breaks down, and the rolling disc drives the transfer line and makes the driving gear rotatory with driven gear meshing transmission, and the valve rod drives the valve plate under the drive action and rotates opening and the closure that realizes the butterfly valve, security when having improved the use, and the sealing gasket has strengthened the practicality when having guaranteed the valve rod rotation sealing strength between valve body and the valve plate.

2. The utility model discloses an install the filter screen in the inboard of connecting pipe, locking bolt fixes the filter screen and has guaranteed that the installation between filter screen and the connecting pipe is firm, the filter screen filters impurity and large granular material in the circulation liquid, the wearing and tearing that cause butterfly valve body inner wall and valve plate have been prevented to long-time the use, the bearing has effectively reduced the intensity of rigid connection, the damage that causes the filter screen when having reduced liquid flow, prevent the leakage of liquid when the leak protection circle makes filter screen and locking bolted connection more firm, and the user demand is satisfied.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front view of the internal structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the side of the connecting tube of the present invention;

fig. 4 is a schematic view of the filter screen mounting structure of the present invention.

In the figure: 1. a pneumatic machine body; 101. connecting blocks; 102. a protective cylinder; 103. a valve stem; 104. a driven gear; 2. a valve body; 201. a valve plate; 202. a seal ring; 203. an upper shaft sleeve; 204. a gasket; 3. installing a frame; 301. a transmission rod; 302. a driving gear; 303. rotating the disc; 4. a connecting pipe; 401. a flange plate; 5. a filter screen; 501. locking the bolt; 502. a fixed seat; 503. a bearing; 504. a leakproof ring; 6. a valve seat; 601. and a lower shaft sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", 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 the 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection or a movable connection, or may be a detachable connection, or may be 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 and fig. 2, the present invention provides an embodiment: a wafer-type pneumatic butterfly valve;

the valve comprises a pneumatic machine body 1, a valve rod 103 and a valve body 2, a connecting block 101 is installed at the bottom of the pneumatic machine body 1, a protective cylinder 102 is installed at the bottom of the connecting block 101, the valve rod 103 is installed at the top of the pneumatic machine body 1 in a penetrating mode, the bottom end of the valve rod 103 is connected with the top of a valve plate 201, a driven gear 104 is installed on the outer side of the valve rod 103, the driven gear 104 is meshed with a driving gear 302, the connecting block 101 ensures the connection strength between the pneumatic machine body 1 and the protective cylinder 102, the pneumatic machine body 1 operates to drive the valve rod 103 to rotate to achieve opening and closing of a butterfly valve, the valve body 2 is installed at the bottom end of the protective cylinder 102, the valve plate 201 is installed inside the valve body 2, a sealing ring 202 is installed on the inner side of the valve body 2, the top of the valve plate 201 is movably connected with the valve body 2 through an upper shaft sleeve 203, a sealing gasket 204 is installed at the top of the upper shaft sleeve 203, the sealing ring 202 improves the sealing performance between the valve body 2 when the valve plate 201 is closed, and the sealing gasket 204 ensures the sealing strength between the valve body 2 and the valve plate 201 when the valve rod 103 rotates.

Referring to fig. 1, 2, 3 and 4, a wafer type pneumatic butterfly valve;

including installing frame 3, driving gear 302 and connecting pipe 4, installing frame 3 is installed at pneumatic organism 1's top, installing frame 3's the outside is run through and is installed transfer line 301, driving gear 302 is installed to transfer line 301's output, rolling disc 303 is installed to transfer line 301's input, the top inboard of installing frame 3 is connected with valve rod 103's top, the manual service staff rotates rolling disc 303 when pneumatic organism 1 breaks down, rolling disc 303 drives transfer line 301 and makes the rotatory and driven gear 104 meshing transmission of driving gear 302, valve rod 103 drives valve plate 201 under the drive effect and rotates opening and closure that realize the butterfly valve, the security when using has been improved, the practicality has been strengthened, connecting pipe 4 is installed in the outside of valve body 2, ring flange 401 is installed to the outer end of connecting pipe 4, realize being connected between connecting pipe 4 and the circulation pipeline through ring flange 401.

Referring to fig. 1, 2, 3 and 4, a wafer type pneumatic butterfly valve;

including filter screen 5, locking bolt 501 and disk seat 6, filter screen 5 is installed to the inboard of connecting pipe 4, locking bolt 501 is installed in running through to the bottom of connecting pipe 4, locking bolt 501's internally mounted has fixing base 502, bearing 503 is installed to the outside of fixing base 502, and install between filter screen 5 and the locking bolt 501 and prevent the enclosure 504, locking bolt 501 fixes filter screen 5 and has guaranteed that the installation between filter screen 5 and the connecting pipe 4 is firm, filter screen 5 filters impurity and large granule material in the circulation liquid, the wearing and tearing that cause butterfly valve body 2 inner wall and valve plate 201 have been prevented to long-time use, bearing 503 has effectively reduced the intensity of rigid connection, the damage that causes filter screen 5 when having reduced liquid flow, prevent the enclosure 504 make filter screen 5 be connected more firm with locking bolt 501 and have prevented the leakage of liquid simultaneously, disk seat 6 is installed to the bottom of valve body 2, through lower axle sleeve 601 swing joint between the bottom of disk seat 6 and valve plate 201.

The working principle is as follows: when the device is used, firstly, the connection between the connecting pipe 4 and a flow pipeline is realized through the flange plate 401, the pneumatic machine body 1 operates to drive the valve rod 103 to rotate to realize the opening of the butterfly valve, fluid enters the connecting pipe 4, the filter screen 5 filters impurities and large granular substances in flowing liquid, the abrasion to the inner wall of the butterfly valve body 2 and the valve plate 201 caused by long-time use is prevented, the bearing 503 effectively reduces the strength of rigid connection, the damage to the filter screen 5 when the liquid flows is reduced, the leakage-preventing ring 504 ensures that the filter screen 5 is more stably connected with the locking bolt 501 and prevents the leakage of the liquid, when the pneumatic machine body 1 breaks down, a user manually rotates the rotating disc 303, the rotating disc 303 drives the transmission rod 301 to enable the driving gear 302 to rotate to be meshed with the driven gear 104 for transmission, the valve rod 103 drives the valve plate 201 to rotate under the transmission effect to realize the closing of the butterfly valve, the safety of the pneumatic butterfly valve is improved during use, the service life of the butterfly valve is prolonged by filtering the impurities and the large granular substances in the flowing liquid, and the practicability is enhanced.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a butt clamp formula pneumatic butterfly valve, includes pneumatic organism (1), valve body (2) and installing frame (3), its characterized in that: the pneumatic valve is characterized in that a connecting block (101) is installed at the bottom of the pneumatic machine body (1), a protective cylinder (102) is installed at the bottom of the connecting block (101), a valve body (2) is installed at the bottom end of the protective cylinder (102), and a valve plate (201) is installed inside the valve body (2);

the pneumatic valve is characterized in that a mounting frame (3) is mounted at the top of the pneumatic machine body (1), a transmission rod (301) is mounted on the outer side of the mounting frame (3) in a penetrating mode, a driving gear (302) is mounted at the output end of the transmission rod (301), and a connecting pipe (4) is mounted on the outer side of the valve body (2);

filter screen (5) are installed to the inboard of connecting pipe (4), the bottom of connecting pipe (4) is run through and is installed locking bolt (501), and installs between filter screen (5) and locking bolt (501) and prevent leaking circle (504), disk seat (6) are installed to the bottom of valve body (2).

2. The wafer-type pneumatic butterfly valve according to claim 1, wherein: the top of pneumatic organism (1) is run through and is installed valve rod (103), and the bottom of valve rod (103) is connected with the top of valve plate (201), and driven gear (104) are installed to the outside of valve rod (103), and driven gear (104) and driving gear (302) mesh mutually.

3. The wafer-type pneumatic butterfly valve according to claim 1, wherein: the sealing ring (202) is installed on the inner side of the valve body (2), the top of the valve plate (201) is movably connected with the valve body (2) through an upper shaft sleeve (203), and a sealing gasket (204) is installed at the top of the upper shaft sleeve (203).

4. The wafer-type pneumatic butterfly valve of claim 1, wherein: the input end of the transmission rod (301) is provided with a rotating disc (303).

5. The wafer-type pneumatic butterfly valve according to claim 1, wherein: and a flange plate (401) is arranged at the outer end of the connecting pipe (4).

6. The wafer-type pneumatic butterfly valve according to claim 1, wherein: the locking bolt (501) is internally provided with a fixed seat (502), and the outer side of the fixed seat (502) is provided with a bearing (503).

7. The wafer-type pneumatic butterfly valve according to claim 1, wherein: the valve seat (6) is movably connected with the bottom of the valve plate (201) through a lower shaft sleeve (601).