CN214367806U

CN214367806U - Butterfly valve for gas transmission

Info

Publication number: CN214367806U
Application number: CN202023285921.7U
Authority: CN
Inventors: 张进元
Original assignee: Tianjin Nlsv Technology Co ltd
Current assignee: Tianjin Nlsv Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-08
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to a butterfly valve technical field especially relates to a butterfly valve for gas transmission, include: the adjusting mechanism comprises a hand wheel, a through hole, a dial, a rotating shaft, a pointer and an adjusting shaft, the through hole is formed in the hand wheel, the dial is installed at the center of the hand wheel, the rotating shaft is installed at the center of the dial, the pointer is installed on the outer side of the rotating shaft, the adjusting shaft is installed on the lower portion of the hand wheel, the steering mechanism is installed on the lower portion of the adjusting shaft and comprises a transmission shaft shell, the fixing mechanism is installed on the right side of the transmission shaft shell and comprises an outer connecting plate, and the sealing mechanism is installed on two sides of the outer connecting plate. The utility model discloses an at hand wheel department installation calibrated scale, the appearance of volume can be realized when rotating to the regulating spindle of cooperation installation and the epaxial calibrated scale of commentaries on classics, reaches comparatively accurate regulation.

Description

Butterfly valve for gas transmission

Technical Field

The utility model relates to a butterfly valve technical field especially relates to a butterfly valve for gas transmission.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. The valve 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. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved, but the butterfly valve for gas transmission in the current market cannot be realized when the butterfly valve needs to be adjusted and transmitted more precisely.

Therefore, the butterfly valve for gas transmission is provided, a dial is arranged at a hand wheel, and an adjusting shaft and the dial on a rotating shaft are matched, so that the display of the quantity can be realized during the rotation, and the relatively accurate adjustment can be realized.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a butterfly valve for gas transmission adopts the dial of department installation at the handwheel, and the appearance of volume can be realized to the regulating spindle of cooperation installation and the epaxial dial of rotation when rotating, reaches comparatively accurate regulation.

The utility model discloses a following technical scheme realizes: a butterfly valve for gas delivery, comprising: adjustment mechanism, steering mechanism, fixed establishment and sealing mechanism, adjustment mechanism include hand wheel, through-hole, calibrated scale, pivot, pointer and regulating spindle, the inside through-hole that has opened of hand wheel, hand wheel center department install the calibrated scale, calibrated scale center department install the pivot, the pivot outside install the pointer, the hand wheel lower part install the regulating spindle, the regulating spindle lower part install steering mechanism, steering mechanism include the transmission shaft shell, transmission shaft shell right side install fixed establishment, fixed establishment include outer fishplate bar, outer fishplate bar both sides install sealing mechanism.

Furthermore, the adjusting mechanism further comprises a first sealing gasket, a first sealing gasket is installed on the outer side of the lower portion of the adjusting shaft, and the adjusting shaft is connected with the rotating shaft.

Furthermore, the through holes are circumferentially arrayed inside the hand wheel.

Further, steering mechanism still including turn to case, connecting seat and unable adjustment base, the regulating spindle lower part install and turn to the case, turn to the case right side and install the connecting seat, the connecting seat right side install unable adjustment base, unable adjustment base right side install the transmission shaft shell.

Further, fixed establishment still include fixed orifices and external connecting plate transmission shaft shell, transmission shaft shell right side install external connecting plate, external connecting plate four corners department be equipped with the fixed orifices, external connecting plate middle part be equipped with external connecting plate transmission shaft shell.

Further, sealing mechanism still include shell, the sealed pad of second, sealing ring, butterfly plate and butterfly plate transmission shaft shell, external board around both sides install the shell, shell front-mounted have the sealed pad of second, shell internally mounted have the sealing ring, the sealing ring rear portion install the butterfly plate, butterfly plate middle part be equipped with butterfly plate transmission shaft shell.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses a pointer at the calibrated scale of installation of hand wheel center department, cooperation pivot outside installation can rotate through driving the pointer when the hand wheel rotates, realizes controlling accurately, and the hand wheel rotates and can drive the rotation of opening and shutting of butterfly plate through the motion transmission that turns to the case, consequently can realize the accurate control of butterfly plate, reaches the accurate regulation when gaseous transmission.

2. The utility model discloses a sealing ring of installation in the shell inside, the sealed pad of second of cooperation shell front portion installation adopts double seal, prevents to take place to leak in gas transmission, guarantees the security of transmission.

Drawings

Fig. 1 is a front view of a butterfly valve for gas transmission according to the invention;

fig. 2 is an overall structure diagram of the butterfly valve for gas transmission according to the present invention.

In the figure: 1. an adjustment mechanism; 2. a steering mechanism; 3. a fixing mechanism; 4. a sealing mechanism; 101. a hand wheel; 102. a through hole; 103. a dial scale; 104. a rotating shaft; 105. a pointer; 106. an adjustment shaft; 107. a first gasket; 201. a steering box; 202. a connecting seat; 203. a fixed base; 204. a drive shaft housing; 301. an outer connecting plate; 302. a fixing hole; 303. an outer connecting plate transmission shaft shell; 401. a housing; 402. a second gasket; 403. a seal ring; 404. a butterfly plate; 405. butterfly plate transmission shaft shell.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1 to 2, a butterfly valve for gas transmission comprises an adjusting mechanism 1, a steering mechanism 2, a fixing mechanism 3 and a sealing mechanism 4, wherein the adjusting mechanism 1 comprises a handwheel 101, a through hole 102, a dial 103, a rotating shaft 104, a pointer 105 and an adjusting shaft 106, the handwheel 101 is internally provided with the through hole 102, the dial 103 is arranged at the center of the handwheel 101, the rotating shaft 104 is arranged at the center of the dial 103, the pointer 105 is arranged at the outer side of the rotating shaft 104, the adjusting shaft 106 is arranged at the lower part of the handwheel 101, the steering mechanism 2 comprises a transmission shaft shell 204, the fixing mechanism 3 is arranged at the right side of the transmission shaft shell 204, the fixing mechanism 3 comprises an external connecting plate 301, the sealing mechanism 4 is arranged at two sides of the external connecting plate 301, when the handwheel 101 rotates by matching with the pointer 105 arranged at the outer side of the rotating shaft 104 through the dial 103 arranged at the center of the handwheel 101, through driving pointer 105 to rotate, accurate control is achieved, rotation of the hand wheel 101 can be transmitted through movement of the steering box 201, opening and closing rotation of the butterfly plate 404 is driven, accurate control of the butterfly plate 404 can be achieved, and accurate adjustment during gas transmission is achieved.

Adjusting mechanism 1 still include first sealed pad 107 wherein, first sealed pad 107 is installed in the outside of adjusting shaft 106 lower part, adjusting shaft 106 is connected with pivot 104, the through-hole 102 circumference array is established inside hand wheel 101, steering mechanism 2 still includes turns to case 201, connecting seat 202 and unable adjustment base 203, adjusting shaft 106 lower part is installed and is turned to case 201, turn to case 201 right side and install connecting seat 202, unable adjustment base 203 is installed on connecting seat 202 right side, unable adjustment base 203 right side is installed transmission shaft shell 204. Fixing mechanism 3 still includes fixed orifices 302 and external board transmission shaft shell 303, external board 301 is installed on transmission shaft shell 204 right side, external board 301 four corners department is equipped with fixed orifices 302, external board 301 middle part is equipped with external board transmission shaft shell 303, sealing mechanism 4 still includes shell 401, the sealed 402 of second, sealing ring 403, butterfly board 404 and butterfly board transmission shaft shell 405, shell 401 is installed to external board 301 front and back both sides, shell 401 front portion installs the sealed 402 of second, shell 401 internally mounted has sealing ring 403, butterfly board 404 is installed at sealing ring 403 rear portion, butterfly board 404 middle part is equipped with butterfly board transmission shaft shell 405, through the sealing ring 403 at shell 401 internally mounted, the sealed 402 of second of cooperation shell 401 front portion installation, adopt double seal, prevent to take place the leakage in gas transmission, guarantee the security of transmission.

In a specific embodiment of the design, as shown in fig. 1 and fig. 2, a through hole 102 is formed in a handwheel 101 in an adjusting mechanism 1, a dial 103 is installed at the center of the handwheel 101, a rotating shaft 104 is installed at the center of the dial 103, a pointer 105 is installed on the outer side of the rotating shaft 104, an adjusting shaft 106 is installed at the lower part of the handwheel 101, the through holes 102 are circumferentially arrayed in the handwheel 101, a steering box 201 is installed at the lower part of the adjusting shaft 106, a connecting seat 202 is installed at the right side of the steering box 201, a fixed base 203 is installed at the right side of the connecting seat 202, a transmission shaft shell 204 is installed at the right side of the fixed base 203, an outer connecting plate 301 is installed at the right side of the transmission shaft shell 204, fixing holes 302 are formed at four corners of the outer connecting plate 301, an outer connecting plate transmission shaft shell 303 is arranged at the middle part of the outer connecting plate 301, shells 401 are installed at the front and back sides of the outer connecting plate 301, a second sealing gasket 402 is installed inside the shell 401, a butterfly plate 404 is arranged at the rear part of the sealing ring 403, and a butterfly plate transmission shaft shell 405 is arranged in the middle of the butterfly plate 404.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims

1. A butterfly valve for gas transmission, comprising: adjustment mechanism (1), steering mechanism (2), fixed establishment (3) and sealing mechanism (4), adjustment mechanism (1) include hand wheel (101), through-hole (102), calibrated scale (103), pivot (104), pointer (105) and regulating spindle (106), hand wheel (101) inside open there are through-hole (102), hand wheel (101) center department install calibrated scale (103), calibrated scale (103) center department install pivot (104), pivot (104) outside install pointer (105), hand wheel (101) lower part install regulating spindle (106), regulating spindle (106) lower part install steering mechanism (2), steering mechanism (2) include transmission shaft shell (204), transmission shaft shell (204) right side install fixed establishment (3), fixed establishment (3) including outer fishplate (301), and sealing mechanisms (4) are arranged on two sides of the outer connecting plate (301).

2. A butterfly valve for gas transmission according to claim 1, characterized in that: adjustment mechanism (1) still include first sealed pad (107), regulation axle (106) lower part outside install first sealed pad (107), regulation axle (106) be connected with pivot (104).

3. A butterfly valve for gas transmission according to claim 1, characterized in that: the through holes (102) are circumferentially arranged in the handwheel (101) in an array manner.

4. A butterfly valve for gas transmission according to claim 1, characterized in that: steering mechanism (2) still including turning to case (201), connecting seat (202) and unable adjustment base (203), regulating spindle (106) lower part install and turn to case (201), turn to case (201) right side and install connecting seat (202), connecting seat (202) right side install unable adjustment base (203), unable adjustment base (203) right side install transmission shaft shell (204).

5. A butterfly valve for gas transmission according to claim 4, characterized in that: fixed establishment (3) still include fixed orifices (302) and external fishplate bar transmission shaft shell (303), transmission shaft shell (204) right side install external fishplate bar (301), external fishplate bar (301) four corners department be equipped with fixed orifices (302), external fishplate bar (301) middle part be equipped with external fishplate bar transmission shaft shell (303).

6. A butterfly valve for gas transmission according to claim 5, characterized in that: sealing mechanism (4) still include shell (401), the sealed pad (402) of second, sealing ring (403), butterfly plate (404) and butterfly plate transmission shaft shell (405), outer fishplate bar (301) around both sides install shell (401), shell (401) front-mounted have the sealed pad (402) of second, shell (401) internally mounted have sealing ring (403), sealing ring (403) rear portion install butterfly plate (404), butterfly plate (404) middle part be equipped with butterfly plate transmission shaft shell (405).