CN216131389U

CN216131389U - Novel butterfly valve

Info

Publication number: CN216131389U
Application number: CN202122742579.7U
Authority: CN
Inventors: 刘建成
Original assignee: Tianjin Aiwo Valve Co ltd
Current assignee: Tianjin Aiwo Valve Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-03-25
Anticipated expiration: 2031-11-10

Abstract

The utility model relates to the technical field of butterfly valves, in particular to a novel butterfly valve, which comprises a valve casing, wherein a casing is fixed at the top end of the valve casing, a valve plate is arranged in the valve casing, the valve plate is fixed on a lead screw, the lead screw penetrates through the top of the valve casing, the top end of the lead screw penetrates through the top end of the interior of the valve casing, driven teeth are fixedly sleeved at the top end of the outer wall of the lead screw, a bearing is embedded in the right side of the top end of the casing, a rotating rod is arranged in the bearing, a rotating disc is fixed at the top of the rotating rod, driving teeth are fixed at the bottom end of the rotating rod, the driving teeth are meshed with the driven teeth, and the transmission ratio of the driving teeth to the driven teeth is 2: 1. the utility model provides a novel butterfly valve, through the inside gear drive mechanism that sets up of casing, when the carousel is rotatory, the valve plate that the initiative tooth will set up through driven tooth drive lead screw bottom is rotatory, reduces the rotatory number of turns of carousel and reaches the effect of opening fast or closed valve plate, improves the convenient effect when the valve plate is opened or is closed greatly.

Description

Novel butterfly valve

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a novel butterfly valve.

Background

At present, a butterfly valve is also called a flap valve, is a regulating valve with a simple structure, and can be used for switching control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing part butterfly plate is a disc; the butterfly 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 manual butterfly valve is opening or the in-process of closing, needs rotatory a lot of carousel to reach opening or the closure of valve, and the operation is comparatively inconvenient, and when the valve was opened in the rotation simultaneously, can't learn the valve switching degree of opening and shutting, is unfavorable for forming control to the valve circulation, in order to solve the problem that exists in the aforesaid, therefore, we propose a novel butterfly valve.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a novel butterfly valve, which solves the above problems of the prior art.

For realizing above-mentioned purpose, a novel butterfly valve, including the valve casing, the top of valve casing is fixed with the casing, the inside of valve casing is provided with the valve plate, the valve plate is fixed in on the lead screw, the lead screw runs through in the top of valve casing, and the top of lead screw runs through in the inside top of valve casing, the top of lead screw outer wall is cup jointed and is fixed with the driven tooth, the right side embedding on casing top has the bearing, the inside of bearing is provided with the bull stick, the top of bull stick is fixed with the carousel, the bottom mounting of bull stick has the active tooth, the active tooth meshes with the driven tooth mutually, the active tooth is listed as 2 with the drive ratio of driven tooth: 1.

preferably, a positioning slide rod and a positioning head are fixed on the right side inside the machine shell, the positioning slide rod is U-shaped, and the positioning head is located inside the positioning slide rod.

Preferably, the positioning slide rod is inserted into the rod groove, the rod groove is formed in the right side of the limiting plate, and the positioning slide rod is matched with the rod groove in size and forms a sliding mechanism.

Preferably, a thread groove is formed in the left side of the inner portion of the limiting plate, the lead screw is located inside the thread groove, and the lead screw is matched with the thread size of the thread groove and forms a rotating mechanism.

Preferably, the outer ring wall of the bearing is fixed in the casing, and the outer wall of the rotating rod is fixed in the rotating wall of the bearing.

Preferably, the right end of the limiting plate and the left side of the positioning head are both arc-shaped, and the limiting plate and the positioning head are located on the same vertical plane.

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

1. according to the utility model, the gear driving mechanism is arranged in the shell, when the rotary table rotates, the driving gear drives the valve plate arranged at the bottom of the screw rod to rotate through the driven gear, so that the rotating number of the rotary table is reduced to achieve the effect of quickly opening or closing the valve plate, and the convenient and fast effect of opening or closing the valve plate is greatly improved.

2. According to the valve plate opening angle adjusting mechanism, the positioning head is arranged on the right side of the shell, when the screw rod rotates, the limiting plate is lifted based on the positioning slide rod, when the limiting plate is contacted with the positioning head, resistance is generated, and therefore the opening state of the valve plate can be informed, when a part of the valve plate needs to be opened for circulation, the accuracy of a worker on the opening angle of the valve plate is greatly improved, and the quantity-limited circulation of liquid is facilitated.

Drawings

FIG. 1 is a schematic view of the overall structure of a novel butterfly valve of the present invention;

FIG. 2 is a schematic view of the structure of the joint between the bearing and the rotary rod of the novel butterfly valve of the present invention.

In the figure: 1. a valve housing; 2. a housing; 3. a bearing; 4. a turntable; 5. a rotating rod; 6. a driving tooth; 7. a screw rod; 8. a valve plate; 9. a driven tooth; 10. a limiting plate; 11. a thread groove; 12. a rod groove; 13. positioning the slide bar; 14. and (6) positioning the head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

referring to fig. 1-2, which are a preferred embodiment of the present invention, a novel butterfly valve includes a valve housing 1, a housing 2 is fixed to a top end of the valve housing 1, a valve plate 8 is disposed inside the valve housing 1, the valve plate 8 is fixed to a lead screw 7, the lead screw 7 penetrates through a top portion of the valve housing 1, a top end of the lead screw 7 penetrates through a top end inside the valve housing 1, driven teeth 9 are fixed to a top end of an outer wall of the lead screw 7 in a sleeved manner, a bearing 3 is embedded into a right side of a top end of the housing 2, a rotating rod 5 is disposed inside the bearing 3, a rotary table 4 is fixed to a top portion of the rotating rod 5, driving teeth 6 are fixed to a bottom end of the rotating rod 5, the driving teeth 6 are engaged with the driven teeth 9, and a transmission ratio of the driving teeth 6 to the driven teeth 9 is 2: 1, through 1 inside gear drive mechanism that sets up of casing, when carousel 4 is rotatory, the valve plate 8 that the initiative tooth 6 will set up through 9 drive lead screws of driven tooth 7 bottoms is rotatory, reduces the rotatory number of turns of carousel 4 and reaches the effect of opening fast or closed valve plate 8, improves the convenient effect when valve plate 8 opens or closes greatly.

Specifically, a positioning slide bar 13 and a positioning head 14 are fixed on the right side inside the casing 2, the positioning slide bar 13 is U-shaped, and the positioning head 14 is located inside the positioning slide bar 13.

Specifically, thread groove 11 has been seted up to the inside left side of limiting plate 10, lead screw 7 is located the inside of thread groove 11, lead screw 7 and the thread size looks adaptation of thread groove 11, and constitute slewing mechanism.

Specifically, the right end of the limiting plate 10 and the left side of the positioning head 14 are both arc-shaped, the limiting plate 10 and the positioning head 14 are located on the same vertical plane, resistance is generated when the limiting plate 10 contacts the positioning head 14, and the arc-shaped structure is beneficial to separation of the limiting plate 10 and the positioning head 14, so that clamping is avoided.

Specifically, the outer ring wall of the bearing 3 is fixed inside the housing 2, and the outer wall of the rotating rod 5 is fixed inside the rotating wall of the bearing 3. The effect of limiting rotation of the rotating rod is facilitated.

In this embodiment, during rotatory carousel 4, carousel 4 will drive bull stick 5 and be based on the inside rotation of bearing 3 to it is rotatory to drive initiative tooth 6, and when 6 driven teeth 9 of drive tooth drive were rotatory, will drive lead screw 7 rotatory, and lead screw 7 will drive valve plate 8 and form the state of opening and closing, and the transmission ratio of initiative tooth 6 and driven tooth 9 is 2: 1, when 6 rotatory half circles of drive tooth this moment, driven tooth 9 will rotate the round, do benefit to quick drive valve plate 8 and open and the closure, lead screw 7 is rotatory simultaneously, lead screw 7 will be located 11 internal rotations of thread groove in limiting plate 10, it has location slide bar 13 to peg graft in the rod groove 12 offered by limiting plate 10 right side, 7 rotatory in-process of lead screw, limiting plate 10 will go up and down based on location slide bar 13, will produce the resistance when limiting plate 10 contacts location head 14, transmit to carousel 4 on, can learn the state that 1 inside valve plate 8 of valve casing opened this moment, location head 14 can set up and open half position department at valve plate 8, when needs are opened to the circulation of limiting the quantity of liquid, can play fine accuse volume effect, improve the convenience when using greatly, the design is simple, and is comparatively practical.

While the utility model has been described in further detail in connection with specific embodiments thereof, it will be understood that the utility model is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the utility model, which should be considered to be within the scope of the utility model as defined by the appended claims.

Claims

1. A novel butterfly valve is characterized in that: including valve casing (1), the top of valve casing (1) is fixed with casing (2), the inside of valve casing (1) is provided with valve plate (8), valve plate (8) are fixed in on lead screw (7), lead screw (7) run through in the top of valve casing (1), and the top of lead screw (7) runs through in the inside top of valve casing (1), the top of lead screw (7) outer wall is cup jointed and is fixed with driven tooth (9), the right side embedding on casing (2) top has bearing (3), the inside of bearing (3) is provided with bull stick (5), the top of bull stick (5) is fixed with carousel (4), the bottom mounting of bull stick (5) has drive tooth (6), drive tooth (6) and driven tooth (9) mesh mutually, drive tooth (6) are 2 with the drive ratio of driven tooth (9): 1.

2. the novel butterfly valve of claim 1, wherein: the right side of the interior of the machine shell (2) is fixed with a positioning sliding rod (13) and a positioning head (14), the positioning sliding rod (13) is U-shaped, and the positioning head (14) is located inside the positioning sliding rod (13).

3. The novel butterfly valve of claim 2, wherein: the positioning slide rod (13) is inserted in the rod groove (12), the rod groove (12) is arranged on the right side of the inside of the limiting plate (10), and the positioning slide rod (13) is matched with the rod groove (12) in size and forms a sliding mechanism.

4. A novel butterfly valve in accordance with claim 3, wherein: thread groove (11) have been seted up to the inside left side of limiting plate (10), lead screw (7) are located the inside of thread groove (11), lead screw (7) and the thread size looks adaptation of thread groove (11), and constitute slewing mechanism.

5. A novel butterfly valve in accordance with claim 3, wherein: the right end of the limiting plate (10) and the left side of the positioning head (14) are both arc-shaped, and the limiting plate (10) and the positioning head (14) are located on the same vertical plane.

6. The novel butterfly valve of claim 1, wherein: the outer ring wall of the bearing (3) is fixed in the shell (2), and the outer wall of the rotating rod (5) is fixed in the rotating wall of the bearing (3).