CN220378903U

CN220378903U - Vertical butterfly valve with adjustable valve shaft

Info

Publication number: CN220378903U
Application number: CN202322099944.6U
Authority: CN
Inventors: 于凯
Original assignee: Tianjin Binhai Biaotai Valve Co ltd
Current assignee: Tianjin Binhai Biaotai Valve Co ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2024-01-23
Anticipated expiration: 2033-08-07

Abstract

The utility model discloses a vertical butterfly valve with an adjustable valve shaft, which comprises a vertical butterfly valve body, a liquid inlet pipe orifice and a liquid outlet pipe orifice, wherein a shaft sleeve is arranged at the top of the vertical butterfly valve body, a main shaft sleeve rod is sleeved in the shaft sleeve, a main rod part of the main shaft sleeve rod is positioned in the vertical butterfly valve body and is connected with a valve clack through a connecting sheet, an adjusting inner rod is sleeved in the main shaft sleeve rod, a hand wheel is welded at the top end of the adjusting inner rod, and a locking bolt is arranged at the outer side of the top end of the main shaft sleeve rod at equal distance through a screw hole. The novel vertical butterfly valve is convenient to adjust the valve shaft to different heights in use so as to meet different use requirements, and is suitable for wide popularization and use.

Description

Vertical butterfly valve with adjustable valve shaft

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a vertical butterfly valve with an adjustable valve shaft.

Background

The butterfly valve is also called as a flap valve, is a regulating valve with a simple structure, and can be used for the on-off control of low-pressure pipeline media, wherein a closing member (a valve clack or a butterfly plate) is a disc and rotates around a valve shaft to realize opening and closing; 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, and mainly has the functions of cutting off and throttling on a pipeline, and the butterfly valve opening and closing member is a disc-shaped butterfly plate which rotates around the axis of the butterfly valve in the valve body, so that the purpose of opening and closing or adjusting is achieved; butterfly valves are classified into horizontal butterfly valves and vertical butterfly valves according to structural forms.

The vertical butterfly valve has the following disadvantages: 1. the valve shaft of the existing vertical butterfly valve is inconvenient to adjust to different heights in use so as to meet different use requirements. Therefore, we propose a vertical butterfly valve with an adjustable valve shaft.

Disclosure of Invention

The utility model mainly aims to provide a vertical butterfly valve with an adjustable valve shaft, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a valve shaft adjustable vertical butterfly valve, includes vertical butterfly valve main part, feed liquor mouth of pipe and liquid outlet, the top of vertical butterfly valve main part is provided with axle sleeve and axle sleeve endotheca and is equipped with the main shaft loop bar, the mobile jib position of main shaft loop bar is located vertical butterfly valve main part and is connected with the valve clack through the connection piece, main shaft loop bar endotheca is equipped with the regulation interior pole and adjusts the top welding of interior pole and has the hand wheel, the locking bolt is installed through the screw in the top outside equidistance of main shaft loop bar.

Further, two ends of the vertical butterfly valve main body are respectively connected with a liquid inlet pipe orifice and a liquid outlet pipe orifice, the outer sides of the liquid inlet pipe orifice and the liquid outlet pipe orifice are welded with butt flange pieces, and the butt flange pieces are used for conveniently connecting a liquid inlet pipe and a liquid outlet pipe.

Further, polytetrafluoroethylene sealing material is clamped between the shaft sleeve and the main shaft sleeve rod.

Further, the bearing is embedded at the inner bottom of the vertical butterfly valve main body through the mounting hole, and the bottom end of the main shaft sleeve rod is positioned in the inner rotating ring of the bearing.

Further, the top of the main shaft loop bar and the periphery of the adjusting inner bar are welded with the guide sleeve, and the guide sleeve is used for sealing and guiding, so that the stability of the adjusting inner bar during adjustment is improved.

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

1. according to the vertical butterfly valve with the adjustable valve shaft, the bearing is embedded in the inner bottom of the vertical butterfly valve body through the mounting hole, the bottom end of the main shaft sleeve rod is positioned in the inner rotating ring of the bearing, when a hand wheel is rotated by a person, the inner rod is adjusted to drive the main shaft sleeve rod to rotate, so that the valve clack is driven to rotate stably, and the polytetrafluoroethylene sealing material is utilized to play a sealing effect to prevent leakage.

2. According to the vertical butterfly valve with the adjustable valve shaft, the locking bolt on the main shaft sleeve rod is unscrewed, the adjusting inner rod is pulled out of the main shaft sleeve rod, the length of the valve shaft is adjusted, the locking bolt is screwed for locking, and therefore the hand wheel is adjusted to different heights, different use requirements are met, the sealing and guiding functions are achieved through the guide sleeve, and the stability of the adjusting inner rod in adjusting is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a vertical butterfly valve with an adjustable valve shaft.

FIG. 2 is a schematic view of a mounting hole and a mounting hole structure of a vertical butterfly valve with an adjustable valve shaft.

FIG. 3 is a schematic view of the structure of the A-position of the vertical butterfly valve with an adjustable valve shaft.

In the figure: 1. a vertical butterfly valve body; 2. a hand wheel; 3. adjusting the inner rod; 4. a guide sleeve; 5. a spindle sleeve rod; 6. polytetrafluoroethylene sealing material; 7. a shaft sleeve; 8. a valve flap; 9. a liquid inlet pipe orifice; 10. a connecting sheet; 11. a mounting hole; 12. a liquid outlet pipe orifice; 13. butt flange pieces; 14. a locking bolt.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-3, a vertical butterfly valve with an adjustable valve shaft comprises a vertical butterfly valve main body 1, a liquid inlet pipe orifice 9 and a liquid outlet pipe orifice 12, wherein a shaft sleeve 7 is arranged at the top of the vertical butterfly valve main body 1, a main shaft sleeve rod 5 is sleeved in the shaft sleeve 7, a main rod part of the main shaft sleeve rod 5 is positioned in the vertical butterfly valve main body 1 and is connected with a valve clack 8 through a connecting sheet 10, an adjusting inner rod 3 is sleeved in the main shaft sleeve rod 5, a hand wheel 2 is welded at the top end of the adjusting inner rod 3, and a locking bolt 14 is arranged at the outer side of the top end of the main shaft sleeve rod 5 at equal distance through a screw hole.

The two ends of the vertical butterfly valve main body 1 are respectively connected with a liquid inlet pipe orifice 9 and a liquid outlet pipe orifice 12, and butt flange pieces 13 are welded on the outer sides of the liquid inlet pipe orifice 9 and the liquid outlet pipe orifice 12.

In this embodiment, as shown in fig. 1 and 2, the butt flange 13 is used to connect the liquid inlet pipe and the liquid outlet pipe.

Wherein, polytetrafluoroethylene sealing material 6 is clamped between the shaft sleeve 7 and the main shaft sleeve rod 5.

In this embodiment, as shown in fig. 1, the sealing effect is improved and leakage is prevented.

Wherein, the bearing is embedded in the inner bottom of the vertical butterfly valve main body 1 through the mounting hole 11, and the bottom end of the main shaft sleeve rod 5 is positioned in the inner rotating ring of the bearing.

In this embodiment, as shown in fig. 2, the spindle loop 5 drives the valve clack 8 to rotate stably.

Wherein, the top of the main shaft loop bar 5 and the periphery of the adjusting inner bar 3 are welded with a guide sleeve 4.

In this embodiment, as shown in fig. 3, the guide sleeve 4 is used to seal and guide the inner rod 3, thereby improving the stability of the inner rod during adjustment.

The utility model relates to a vertical butterfly valve with an adjustable valve shaft, which is characterized in that a bearing is embedded in the inner bottom of a main body 1 of the vertical butterfly valve through a mounting hole 11 and the bottom end of a main shaft sleeve rod 5 is positioned in an inner rotating ring of the bearing, so that when a hand wheel 2 is rotated, a person adjusts the inner rod 3 to drive the main shaft sleeve rod 5 to rotate, thereby driving a valve clack 8 to stably rotate, sealing effect is achieved by using polytetrafluoroethylene sealing materials 6, leakage is prevented, a locking bolt 14 on the main shaft sleeve rod 5 is unscrewed, the adjusting inner rod 3 is pulled out of the main shaft sleeve rod 5, the length of the valve shaft is adjusted, the locking bolt 14 is screwed for locking, the hand wheel 2 is adjusted to different heights, different use requirements are met, sealing and guiding functions are achieved by using a guide sleeve 4, and stability of the adjusting inner rod 3 in adjusting is improved.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a valve shaft adjustable vertical butterfly valve, includes vertical butterfly valve main part (1), feed liquor mouth of pipe (9) and play liquid mouth of pipe (12), its characterized in that: the top of vertical butterfly valve main part (1) is provided with axle sleeve (7) and axle sleeve (7) endotheca is equipped with main shaft loop bar (5), the mobile jib position of main shaft loop bar (5) is located vertical butterfly valve main part (1) and is connected with valve clack (8) through connection piece (10), main shaft loop bar (5) endotheca is equipped with adjusts interior pole (3) and adjusts the top welding of interior pole (3) has hand wheel (2), locking bolt (14) are installed through the screw in the top outside equidistance of main shaft loop bar (5).

2. The vertical butterfly valve with an adjustable valve shaft according to claim 1, wherein: two ends of the vertical butterfly valve main body (1) are respectively connected with a liquid inlet pipe orifice (9) and a liquid outlet pipe orifice (12), and butt flange pieces (13) are welded on the outer sides of the liquid inlet pipe orifice (9) and the liquid outlet pipe orifice (12).

3. The vertical butterfly valve with an adjustable valve shaft according to claim 1, wherein: and a polytetrafluoroethylene sealing material (6) is clamped between the shaft sleeve (7) and the main shaft sleeve rod (5).

4. The vertical butterfly valve with an adjustable valve shaft according to claim 1, wherein: the bearing is embedded in the inner bottom of the vertical butterfly valve main body (1) through the mounting hole (11), and the bottom end of the main shaft sleeve rod (5) is positioned in the inner rotating ring of the bearing.

5. The vertical butterfly valve with an adjustable valve shaft according to claim 1, wherein: the top of the main shaft sleeve rod (5) and the periphery of the adjusting inner rod (3) are welded with a guide sleeve (4).