CN220688059U - Butterfly valve with stepless adjustment of opening and closing angle - Google Patents

Abstract

The utility model discloses a butterfly valve with stepless opening and closing angle adjustment, which comprises a valve body, wherein a positioning sleeve with a placing function is arranged on the outer side of the valve body, scale marks penetrating through the rotating angle are cut on the outer surface of the positioning sleeve at equal intervals, an indicating rod with an indicating function is rotationally connected to one end of the positioning sleeve, a circular ring with a sealing function is symmetrically arranged on the outer side of the valve body, and a water bag with a water storage function is adhered to the inner side of the circular ring.

Description

Butterfly valve with stepless adjustment of opening and closing angle

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve with stepless adjustment of an opening and closing angle.

Background

The butterfly valve is a common fluid control device, is commonly used in a pipeline system, has the characteristics of quick switching and flow regulation, and mainly comprises a valve body, a valve rod, a butterfly plate, a sealing ring and other components, wherein the butterfly plate can be subjected to stepless regulation in the valve body

Although the existing butterfly valve meets the use requirements of users to a certain extent, certain defects still exist in the actual use process, and the specific problems are that the rotation angle of the disc plate cannot be observed due to the fact that the driving rod of the valve rod is inconvenient to observe after rotating, the gap between the disc plate and the valve body cannot be observed, and then the flow of fluid in the butterfly valve cannot be controlled.

Disclosure of Invention

The utility model aims to provide a butterfly valve with stepless adjustment of opening and closing angles, which solves the problems that in the prior art, the driving rod of the valve rod is inconvenient to observe the rotation angle of a disc plate after rotating, so that the gap between the disc plate and a valve body cannot be observed, and the flow of fluid in the butterfly valve cannot be controlled.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the butterfly valve with the stepless adjustment of the opening and closing angle comprises a valve body, a positioning sleeve with a placing function is arranged on the outer side of the valve body, scale marks penetrating through the rotating angle are cut on the outer surface of the positioning sleeve at equal intervals, an indication rod with an indication function is rotationally connected to one end of the positioning sleeve, a circular ring with a sealing function is symmetrically arranged on the outer side of the valve body, a water bag with a water storage function is adhered to the inner portion of the circular ring, and a threaded rotary column with a water injection function is connected to the top end of the water bag.

Preferably, the rotation strip is welded outside the driving rod, a screw is connected inside the rotation strip through threads, one end face of the screw is mutually attached to one end of the positioning sleeve, and a connecting rod is welded on the outer surface of the screw.

Preferably, the water storage sleeve is embedded and installed outside the water inlet of the water bag, the threaded rotary column is movably connected inside the water storage sleeve through threads, the piston is connected with the bottom end of the threaded rotary column in a rotating mode, and the T-shaped column is welded at the top end of the threaded rotary column.

Preferably, a sealing belt is arranged at the joint of the outer side of the threaded rotary column and the water storage sleeve, and a sealing ring is arranged at the joint of the water inlet of the water bag and the bottom of the outer surface of the water storage sleeve.

Preferably, a screw rod is symmetrically welded on one end face of the circular ring, a bidirectional thread bush is rotationally connected between the two screw rods, an arc-shaped strip is sleeved on the outer surface of the bidirectional thread bush, and the arc-shaped strip is welded on the outer side of the valve body.

Preferably, the two-way thread sleeve is rotationally connected with the arc-shaped strip, a positioning ring is welded at the middle part of the outer surface of the two-way thread sleeve, and a positioning groove is formed in the arc-shaped strip and corresponds to the outer side of the positioning ring which is matched with the two-way thread sleeve.

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

1. the utility model can facilitate stepless opening and closing adjustment of the disc plate, observe the angle of the disc plate after rotation, reduce the observation difficulty of the angle of the disc plate after rotation, thereby controlling the distance between the valve body and the disc plate, further controlling the flow quantity of the liquid between the valve body and the disc plate, and changing the problem that the flow quantity between the valve body and the disc plate is inconvenient to control in the prior art;

2. the utility model can seal the joint of the flange plate and the valve body, changes the sealing difficulty of the flange plate and the valve body, and further prevents the problem of leakage at the joint of the flange plate and the valve body, thereby effectively ensuring the flow of liquid along the joint of the flange plate and the valve body.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a butterfly valve with stepless adjustment of opening and closing angles;

FIG. 2 is a schematic diagram of an installation structure of an integral screw of a butterfly valve with stepless adjustment of an opening and closing angle;

FIG. 3 is a schematic diagram of an installation structure of an integral water bag of a butterfly valve with stepless adjustment of opening and closing angles.

In the figure: 1. a valve body; 2. a valve stem; 3. a dish plate; 4. a commutator; 5. a driving rod; 6. a positioning sleeve; 7. an arc-shaped strip; 8. rotating the strip; 9. an indication rod; 10. a screw; 11. a connecting rod; 12. a bidirectional thread sleeve; 13. a screw rod; 14. a circular ring; 15. a water bag; 16. a water storage jacket; 17. a threaded rotary column; 18. a piston; 19. a T-shaped column; 20. graduation marks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a butterfly valve with electrodeless regulation of angle that opens and shuts, including valve body 1, valve body 1 installs the locating sleeve 6 that has the function of placing in the outside, valve body 1 inside symmetry rotates and is connected with valve rod 2, welded connection between two relative valve rods 2, commutator 4 is installed on one of them valve rod 2 top, actuating lever 5 is installed to commutator 4 one end joint, the scale mark 20 that has the angle of penetration rotation is carved to locating sleeve 6 surface equidistance, locating sleeve 6 one end rotates and is connected with the pilot rod 9 that has the instruction function, valve body 1 outside symmetry installs ring 14 that has the sealing function, the inside bonding of ring 14 has the water pocket 15 that has the retaining function, water pocket 15 top is connected with the screw thread revolve post 17 that has the function of carrying out the water injection to water pocket 15 inside.

The rotating strip 8 is welded outside the driving rod 5, the screw rod 10 is connected inside the rotating strip 8 through threads, one end face of the screw rod 10 is mutually attached to one end of the positioning sleeve 6, the connecting rod 11 is welded on the outer surface of the screw rod 10, the screw rod 10 can be conveniently rotated through the connecting rod 11, the rotating screw rod 10 can be correspondingly rotated to be extruded and fixed through the rotating strip 8, and then the indicating rod 9 is positioned.

According to the embodiment, the driving rod 5 drives the commutator 4 to operate when rotating, the commutator 4 drives the disc plate 3 to rotate through the valve rod 2 when operating, and at the moment, the driving rod 5 drives the rotating bar 8 to rotate, the rotating bar 8 drives the indicating rod 9 to rotate when rotating, one end of the indicating rod 9 moves along the outer side of the scale mark 20 when rotating along the inside of the positioning sleeve 6, the rotating angle of the valve rod 2 can be observed through the rotating angle of the scale mark 20, so that the distance between the disc plate 3 and the valve body 1 is observed, the flowing amount of liquid between the disc plate 3 and the valve body 1 can be further controlled, the problem that the flowing amount between the disc plate 3 and the valve body 1 is difficult to control is solved, and the accuracy of liquid flow is ensured.

The water storage sleeve 16 is embedded and installed outside the water inlet of the water bag 15, the threaded rotary column 17 is movably connected inside the water storage sleeve 16 through threads, the piston 18 is rotationally connected to the bottom end of the threaded rotary column 17, the T-shaped column 19 is welded at the top end of the threaded rotary column 17, the threaded rotary column 17 is convenient to screw, the screwing difficulty of the threaded rotary column 17 is changed, a sealing band is arranged at the joint of the outer side of the threaded rotary column 17 and the water storage sleeve 16, a sealing ring is arranged at the joint of the water inlet of the water bag 15 and the bottom of the outer surface of the water storage sleeve 16, the sealing performance of the joint of the outer side of the threaded rotary column 17 and the water inlet of the water bag 15 and the water storage sleeve 16 is improved, and the problem of leakage of liquid is prevented.

According to the embodiment, the T-shaped column 19 can drive the threaded column 17 to rotate, the threaded column 17 drives the piston 18 to move when rotating, and at the moment, the piston 18 extrudes hydraulic oil in the water storage sleeve 16, so that the hydraulic oil enters the water bag 15 and the water bag 15 is expanded, the expanded water bag 15 enters the joint of the flange plate and the valve body 1, and the joint of the flange plate and the valve body 1 is sealed.

The lead screw 13 has been welded to ring 14 terminal surface symmetry, rotate between two lead screws 13 and be connected with two-way thread bush 12, arc strip 7 has been cup jointed to two-way thread bush 12 surface, arc strip 7 welds in the valve body 1 outside, the relative movement of two rings 14 of being convenient for has changed the relative movement degree of difficulty of two rings 14, thereby seal valve body 1 two-sided, rotate between two-way thread bush 12 and the arc strip 7 and be connected, two-way thread bush 12 surface middle part welding has the holding ring, the holding ring outside that corresponds to agree with two-way thread bush 12 in arc strip 7 inside has been seted up the constant head tank for fix a position two-way thread bush 12, the location degree of difficulty of two-way thread bush 12 has been improved, can effectually inject two-way thread bush 12.

According to the embodiment, the two screw rods 13 relatively move when the two screw rods 12 rotate by rotating the two screw thread sleeves 12, and the ring 14 is driven to move when the screw rods 13 move, and the water bag 15 is driven to move when the ring 14 moves, so that the difficulty of the water bag 15 entering the joint of the valve body 1 and the flange plate is changed when the water bag 15 enters the joint of the flange plate and the valve body 1, and the water bag 15 is further convenient to seal the joint of the valve body 1 and the flange plate.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (6)

1. The utility model provides a butterfly valve with electrodeless regulation of angle that opens and shuts, includes valve body (1), rotates strip (8), its characterized in that: the utility model discloses a water injection valve, including valve body (1), locating sleeve (6) outside is installed and is had locating sleeve (6) that place the function, locating sleeve (6) surface equidistance is carved and is had scale mark (20) that run through rotation angle, locating sleeve (6) one end is rotated and is connected with instruction pole (9) that possess the instruction function, ring (14) that have sealing function are installed to valve body (1) outside symmetry, inside bonding of ring (14) has water pocket (15) that have the retaining function, water pocket (15) top is connected with and possesses screw thread revolves post (17) that carry out the water injection function to water pocket (15) inside.

2. The butterfly valve with stepless adjustment of opening and closing angle according to claim 1, characterized in that: the rotating strip (8) is welded on the outer side of the driving rod (5), a screw (10) is connected inside the rotating strip (8) through threads, one end face of the screw (10) is attached to one end of the positioning sleeve (6), and a connecting rod (11) is welded on the outer surface of the screw (10).

3. The butterfly valve with stepless adjustment of opening and closing angle according to claim 1, characterized in that: the water storage sleeve (16) is embedded and installed outside the water inlet of the water bag (15), the threaded rotary column (17) is movably connected inside the water storage sleeve (16) through threads, the piston (18) is rotatably connected to the bottom end of the threaded rotary column (17), and the T-shaped column (19) is welded at the top end of the threaded rotary column (17).

4. A butterfly valve with stepless adjustment of opening and closing angle according to claim 3, characterized in that: the sealing belt is arranged at the joint of the outer side of the threaded rotary column (17) and the water storage sleeve (16), and the sealing ring is arranged at the joint of the water inlet of the water bag (15) and the bottom of the outer surface of the water storage sleeve (16).

5. The butterfly valve with stepless adjustment of opening and closing angle according to claim 1, characterized in that: the two-way valve is characterized in that a screw rod (13) is symmetrically welded on one end face of the circular ring (14), a two-way thread bush (12) is rotationally connected between the two screw rods (13), an arc-shaped strip (7) is sleeved on the outer surface of the two-way thread bush (12), and the arc-shaped strip (7) is welded on the outer side of the valve body (1).

6. The butterfly valve with stepless adjustment of opening and closing angle according to claim 5, wherein: the two-way thread sleeve (12) is rotationally connected with the arc-shaped strip (7), a positioning ring is welded in the middle of the outer surface of the two-way thread sleeve (12), and a positioning groove is formed in the arc-shaped strip (7) and corresponds to the outer side of the positioning ring which is matched with the two-way thread sleeve (12).