CN213393600U

CN213393600U - Worm wheel butterfly valve with high interface sealing performance

Info

Publication number: CN213393600U
Application number: CN202021663639.5U
Authority: CN
Inventors: 洪进益; 洪超伟; 洪月玲
Original assignee: Fujian Guanda Valve Manufacturing Co ltd
Current assignee: Guanda Valve Manufacturing Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-06-08
Anticipated expiration: 2030-08-12

Abstract

The utility model discloses a worm wheel butterfly valve that interface sealing performance is high, including the STB, the welding has the worm sleeve pipe on the left wall of STB, the carousel is installed to worm sleeve pipe's bottom, worm sleeve pipe's built-in screw rod meshing has horizontal meshing pole, meshing head is installed on the top of horizontal meshing pole, and meshes the head and mesh and have vertical meshing pole, the top welding of vertical meshing pole has the bull stick, the inner chamber top center part of STB rotates with the top of bull stick to be connected, the bottom welding of vertical meshing pole welds the pole. This worm wheel butterfly valve that interface sealing performance is high, when the rotation of control screw anticlockwise, cavity screwed pipe upwards displacement, L shape displacement to the pole that makes progress simultaneously to upwards stimulate the push pedal, thereby can absorb towards vertical air cavity pipe inner chamber to the air in the gasbag circle that horizontal air cavity pipe one end is connected, thereby can empty the gas in the gasbag circle, make things convenient for the brake disc to rotate, the brake disc this moment will rotate, and realize that the valve is opened.

Description

Worm wheel butterfly valve with high interface sealing performance

Technical Field

The utility model relates to a worm wheel butterfly valve field specifically is a worm wheel butterfly valve that interface sealing performance is high.

Background

The butterfly plate of the butterfly valve is installed in the diameter direction of the pipeline. In the cylindrical channel of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis at a rotation angle of 0-90 degrees, and when the disc-shaped butterfly plate rotates to 90 degrees, the valve is in a full-open state.

However, in the prior art, after the butterfly valve is installed, sealing debugging needs to be performed, most sealing mechanisms are made of different materials, and after the butterfly valve is used for a long time, the sealing effect of the butterfly valve is influenced to a certain extent, so that the physical sealing is incomplete.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a worm wheel butterfly valve that interface sealing performance is high to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a worm wheel butterfly valve with high interface sealing performance comprises a top box, wherein a worm sleeve is welded on the left wall of the top box, a rotary disc is installed at the bottom end of the worm sleeve, a transverse meshing rod is meshed with a built-in screw rod of the worm sleeve, a meshing head is installed at the top end of the transverse meshing rod and meshed with a vertical meshing rod, a rotating rod is welded at the top end of the vertical meshing rod, the center of the top end of an inner cavity of the top box is rotatably connected with the top end of the rotating rod, a welding rod is welded at the bottom end of the vertical meshing rod, a screw rod is welded at the bottom end of the welding rod, a cavity threaded pipe is in threaded connection with the outer wall of the screw rod, sliding sleeves are arranged on the left side and the right side of the cavity threaded pipe, L-shaped counter rods are welded on the outer walls of the two sets of sliding sleeves, a push plate is arranged at the bottom ends of, the air bag type air bag brake is characterized in that a brake disc is arranged in a groove hole of the circular ring, transverse air chamber pipes are installed on the left side and the right side of an inner cavity of the brake disc, vertical air chamber pipes are welded on the left side of the upper surface of each transverse air chamber pipe, sliding grooves are formed in the left side and the right side of the inner cavity of each vertical air chamber pipe, push plates are connected in notches of the two groups of sliding grooves in a sliding mode, and an air bag.

As a further aspect of the present invention: a cavity block is welded in the center of the lower surface of the top box, a butt joint pipe is welded at the bottom end of the cavity block, a protruding sleeve is welded at the bottom end of the butt joint pipe, and the protruding sleeve is welded with the upper surface of the outer wall of the circular ring.

As a further aspect of the present invention: install the gasbag circle on the outer wall of floodgate dish, the gasbag circle is in between the outer wall of floodgate dish and the inner chamber wall of ring, the top of horizontal trachea tube and the inner chamber fixed connection of gasbag circle.

As a further aspect of the present invention: the vertical face of the front vertical face of the brake disc is fixedly connected with a cavity rod through a nut, the vertical rods are welded to the bottom end of the inner cavity of the cavity rod and the left side and the right side of the top end of the inner cavity of the cavity rod, a screw rod is rotatably connected to the center of the bottom end of the inner cavity of the cavity rod, and the top end of the screw rod is welded to the bottom end of the welding rod.

As a further aspect of the present invention: the outer wall sliding connection of vertical pole has smooth sleeve pipe, and two sets of smooth sleeve pipe passes through welded fastening with the outer wall of cavity screwed pipe and is connected, the bearing frame is installed to the bottom of screw rod, the welding of the inner chamber bottom of cavity pole has the solid pole, the bottom of bearing frame and the top welding of solid pole.

As a further aspect of the present invention: the vertical air cavity pipe is communicated with the sliding groove.

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

the utility model discloses, when the screw rod clockwise turning, cavity screwed pipe downward displacement, the sliding sleeve pipe that will promote its cavity screwed pipe outer wall both sides and connect through the welding rod also downward displacement, the L shape butt joint pole of welding on the sliding sleeve pipe outer wall will promote the push pedal and slide in the notch of vertical air cavity tube inner chamber left and right sides, thereby can extrude downwards the gas of the inner chamber of vertical air cavity pipe, and discharge into the inner chamber of gasbag circle through vertical air cavity pipe one end, and make gasbag circle inflation, seal between brake disc and the ring, brake disc this moment is in the inner circle of ring for positive discoid simultaneously, and realize that the valve closes, its structure is optimized more, the design is more reasonable.

The utility model discloses, when control screw anticlockwise rotation, cavity screwed pipe upwards displacement, L shape displacement to the pole that makes progress simultaneously to upwards stimulate the push pedal, thereby can absorb towards vertical air cavity tube cavity in the gasbag circle that horizontal air cavity pipe one end is connected air, thereby can empty the gas in the gasbag circle, make things convenient for the brake disc to rotate, the brake disc this moment will rotate, and realize that the valve is opened.

Drawings

FIG. 1 is a schematic structural diagram of a worm-wheel butterfly valve with high interface sealing performance;

FIG. 2 is a front view of a middle disk of a worm butterfly valve with a high sealing performance of an interface;

FIG. 3 is an enlarged view of the portion A in FIG. 2 of a worm-wheel butterfly valve with high interface sealing performance;

fig. 4 is an enlarged view of B in fig. 2 of a worm-wheel butterfly valve with high interface sealing performance.

In the figure: the structure comprises a top box 1, a circular ring 2, a cavity rod 3, a butt joint pipe 4, a vertical meshing rod 5, a cavity block 6, a rotating rod 7, a transverse meshing rod 8, a worm sleeve 9, a rotary table 10, a protruding sleeve 11, a brake disc 12, a welding rod 13, an air bag ring 14, a transverse air cavity pipe 15, a sliding sleeve 16, a cavity threaded pipe 17, a bearing seat 18, a solid rod 19, an L-shaped butt joint rod 20, a screw rod 21, a vertical rod 22, a push plate 23, a vertical air cavity pipe 24 and a sliding groove 25.

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.

Referring to fig. 1 to 4, in an embodiment of the present invention, a worm-gear butterfly valve with a high interface sealing performance includes a top box 1, a worm sleeve 9 is welded on a left wall of the top box 1, a rotary table 10 is installed at a bottom end of the worm sleeve 9, a transverse meshing rod 8 is meshed with a built-in screw of the worm sleeve 9, a meshing head is installed at a top end of the transverse meshing rod 8, the meshing head is meshed with a vertical meshing rod 5, a rotating rod 7 is welded at a top end of the vertical meshing rod 5, a central portion of a top end of an inner cavity of the top box 1 is rotatably connected with a top end of the rotating rod 7, a welding rod 13 is welded at a bottom end of the vertical meshing rod 5, a screw 21 is welded at a bottom end of the welding rod 13, a cavity threaded pipe 17 is threadedly connected to an outer wall of the screw 21, sliding sleeves 16 are disposed on left and right sides of the cavity threaded pipe 17, L-shaped counter rods 20 are welded, a circular ring 2 is arranged below the top box 1, a brake disc 12 is arranged in a groove hole of the circular ring 2, transverse air cavity pipes 15 are arranged on the left and right sides of an inner cavity of the brake disc 12, a vertical air cavity pipe 24 is welded on the left side of the upper surface of the transverse air cavity pipe 15, sliding grooves 25 are arranged on the left and right sides of the inner cavity of the vertical air cavity pipe 24, push plates 23 are connected in notches of the two groups of sliding grooves 25 in a sliding manner, an air bag ring 14 is arranged at one end of each transverse air cavity pipe 15, a cavity block 6 is welded on the center of the lower surface of the top box 1, a butt joint pipe 4 is welded at the bottom end of each cavity block 6, a protruding sleeve pipe 11 is welded at the bottom end of each butt joint pipe 4, the protruding sleeve pipe 11 is welded with the upper surface of the outer wall of the circular ring 2, the air bag ring 14 is arranged on the outer wall of the brake disc 12, the top end of the transverse air cavity pipe, vertical pole 22 has been welded with the top left and right sides to the inner chamber bottom of cavity pole 3, the inner chamber bottom of cavity pole 3 rotates with top central point and is connected with screw rod 21, the top of screw rod 21 and the bottom welding of welding pole 13, the outer wall sliding connection of vertical pole 22 has smooth sleeve pipe 16, two sets of smooth sleeve pipes 16 pass through welded fastening with the outer wall of cavity screwed pipe 17 and are connected, bearing frame 18 is installed to the bottom of screw rod 21, the inner chamber bottom welding of cavity pole 3 has solid pole 19, the bottom of bearing frame 18 and the top welding of solid pole 19, be the intercommunication form between vertical trachea tube 24 and the spout 25.

The utility model discloses a theory of operation is: when the device is used, the rotating disc 10 is controlled to rotate, the worm in the worm sleeve 9 is driven to rotate by the rotating disc 10 after the rotating disc 10 rotates, the meshed transverse meshing rod 8 is controlled to rotate, the top end of the transverse meshing rod 8 is meshed with the vertical meshing rod 5, the vertical meshing rod 5 is rotated, the welding rod 13 welded at the bottom end of the vertical meshing rod 5 rotates, the bottom end of the welding rod 13 is welded with the screw rod 21 in the cavity of the cavity rod 3 welded on the outer wall of the brake disc 12, when the welding rod 13 rotates, the screw rod 21 rotates, the cavity threaded pipe 17 in threaded connection with the outer wall of the screw rod 21 moves up and down, specifically, the cavity threaded pipe 17 cannot rotate more after the screw rod 21 rotates because the vertical rods 22 welded at the left side and the right side of the top end of the cavity rod 3 are matched with the sliding sleeves 16 sleeved on the outer wall of the vertical rods 22, can only move up and down;

when the screw 21 rotates clockwise, the cavity threaded pipe 17 displaces downwards to push the sliding sleeve pipe 16 connected with the two sides of the outer wall of the cavity threaded pipe 17 through the welding rods to also displace downwards, the L-shaped counter rod 20 welded on the outer wall of the sliding sleeve pipe 16 pushes the push plate 23 to slide in the notches on the left side and the right side of the inner cavity of the vertical air cavity pipe 24, so that the air in the inner cavity of the vertical air cavity pipe 24 can be extruded downwards and is discharged into the inner cavity of the air bag ring 14 through one end of the vertical air cavity pipe 24 to expand the air bag ring 14, the space between the brake disc 12 and the circular ring 2 is sealed, and meanwhile, the brake disc 12 is in a front disc shape and is positioned in the inner ring of the circular ring 2 to close the valve;

on the contrary, when the screw 21 rotates anticlockwise, the cavity threaded pipe 17 moves upwards, meanwhile, the L-shaped pair rod 20 moves upwards, and the push plate 23 is pulled upwards, so that air in the air bag ring 14 connected with one end of the transverse air chamber pipe 15 can be sucked towards the inner cavity of the vertical air chamber pipe 24, air in the air bag ring 14 can be exhausted, the brake disc 12 can rotate conveniently, and the brake disc 12 can rotate at the moment, and the valve is opened.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a worm wheel butterfly valve that interface sealing performance is high, includes top box (1), its characterized in that: the novel multifunctional television set top box comprises a set top box (1), a worm sleeve (9) is welded on the left wall of the set top box (1), a rotary plate (10) is installed at the bottom end of the worm sleeve (9), a transverse meshing rod (8) is meshed with a built-in screw rod of the worm sleeve (9), a meshing head is installed at the top end of the transverse meshing rod (8), a vertical meshing rod (5) is meshed with the meshing head, a rotating rod (7) is welded at the top end of the vertical meshing rod (5), the center of the top end of an inner cavity of the set top box (1) is rotatably connected with the top end of the rotating rod (7), a welding rod (13) is welded at the bottom end of the vertical meshing rod (5), a screw rod (21) is welded at the bottom end of the welding rod (13), a cavity threaded pipe (17) is in threaded connection with the outer wall of the screw rod (21), sliding sleeves (16) are arranged on the left side and the right side of the cavity threaded pipe (, l shape is provided with push pedal (23) to the vertical pole bottom of pole (20), the below of STB (1) is provided with ring (2), be provided with brake disc (12) in the slotted hole of ring (2), horizontal plenum chamber (15) are installed to the inner chamber left and right sides of brake disc (12), the welding of the upper surface left side of horizontal plenum chamber (15) has vertical plenum chamber (24), spout (25) have been seted up to the inner chamber left and right sides of vertical plenum chamber (24), and are two sets of sliding connection has push pedal (23) in the notch of spout (25), horizontal plenum chamber (15) one end is provided with gasbag circle (14).

2. The worm-gear butterfly valve with high interface sealing performance of claim 1, characterized in that: the lower surface center part of STB (1) welds has cavity piece (6), the bottom welding of cavity piece (6) has butt joint pipe (4), the bottom welding of butt joint pipe (4) has bulge sleeve pipe (11), bulge sleeve pipe (11) and the outer wall upper surface welding of ring (2).

3. The worm-gear butterfly valve with high interface sealing performance of claim 1, characterized in that: install gasbag circle (14) on the outer wall of floodgate dish (12), gasbag circle (14) are in between the outer wall of floodgate dish (12) and the inner chamber wall of ring (2), the top of horizontal trachea tube (15) and the inner chamber fixed connection of gasbag circle (14).

4. The worm-gear butterfly valve with high interface sealing performance of claim 1, characterized in that: the vertical face of the front vertical face of the brake disc (12) is fixedly connected with a cavity rod (3) through a nut, the vertical rods (22) are welded to the bottom end of the inner cavity of the cavity rod (3) and the left side and the right side of the top end of the inner cavity, a screw rod (21) is rotatably connected to the bottom end of the inner cavity of the cavity rod (3) and the center of the top end of the inner cavity of the cavity rod, and the top end of the screw rod (21) is welded to the bottom end of a welding.

5. The worm-gear butterfly valve with high interface sealing performance of claim 4, wherein: the outer wall sliding connection of vertical pole (22) has smooth sleeve pipe (16), and is two sets of smooth sleeve pipe (16) passes through welded fastening with the outer wall of cavity screwed pipe (17) and is connected, bearing frame (18) are installed to the bottom of screw rod (21), the welding of the inner chamber bottom of cavity pole (3) has solid pole (19), the bottom of bearing frame (18) and the top welding of solid pole (19).

6. The worm-gear butterfly valve with high interface sealing performance of claim 1, characterized in that: the vertical air cavity pipe (24) is communicated with the sliding groove (25).