CN211117659U

CN211117659U - Novel ventilation butterfly valve

Info

Publication number: CN211117659U
Application number: CN201922274300.XU
Authority: CN
Inventors: 孟令发
Original assignee: Dayu Valve Manufacturing Tianjin Co ltd
Current assignee: Dayu Valve Manufacturing Tianjin Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-07-28
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a novel ventilation butterfly valve, the water-cooled rotary valve comprises a valve body, first recess has been seted up between valve body both sides wall central point puts, first recess roof central point puts and has seted up the second recess, the second recess runs through the valve body roof, sliding connection has same valve rod in first recess and the second recess, the fixed butterfly plate that has cup jointed of valve rod, valve body both sides wall central point symmetry fixedly connected with installation section of thick bamboo. The utility model discloses, for the one-way ventilation formula design that admits air, can realize the one-way ventilation work that admits air of device body, need not two-way gas flow and ventilates, the leakproofness of device body has been promoted greatly to the sealing washer of three groups of cooperations under the prerequisite of the air permeability of guaranteeing the device body, to the work that both needs the air permeability and needs the leakproofness, practical application nature is better, can accomplish work.

Description

Novel ventilation butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field especially relates to a novel ventilation butterfly valve.

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.

At present, the butterfly valve is widely used, and in daily life, often a ventilation butterfly valve is needed, and the existing ventilation butterfly valve lacks certain leakproofness, and is the design of two-way ventilation formula for the work that both needs the leakproofness again, and practical applicability is relatively poor, is difficult to accomplish work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a novel ventilation butterfly valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel ventilation butterfly valve comprises a valve body, wherein a first groove is formed between the central positions of two side walls of the valve body, a second groove is formed in the central position of the top wall of the first groove, the second groove penetrates through the top wall of the valve body, the same valve rod is connected in the first groove and the second groove in a sliding manner, a butterfly plate is fixedly sleeved on the valve rod, mounting cylinders are symmetrically and fixedly connected to the central positions of the two side walls of the valve body, mounting rings are symmetrically and fixedly connected to the central positions of the two side walls of the valve body away from one side wall, a fourth groove is formed in the side wall, opposite to one side wall, of each mounting cylinder, corresponding to the first groove, the fourth groove penetrates through the two side walls of each mounting cylinder, a third groove is formed in the side wall, opposite to one side wall, corresponding to the fourth groove, the third groove penetrates through the two side, two third sealing washers of first recess inside wall fixedly connected with, valve rod roof fixedly connected with handle.

As a further description of the above technical solution:

the side of the outer side wall of the mounting cylinder and the side of the inner side wall of the fourth groove correspond to two openings of the mounting groove, first sealing rings are symmetrically and fixedly mounted on the side of the outer side wall of the mounting cylinder and the side of the inner side wall of the fourth groove, and two sealing rings on one side are fixedly connected with one-way air valves on the side of the first sealing rings.

As a further description of the above technical solution:

the air guide direction of the one-way air valve is a fourth groove from the outer side to the inner side of the mounting cylinder.

As a further description of the above technical solution:

handle diapire central point puts fixedly connected with valve rod roof, the handle is located the valve body directly over, the butterfly plate is located first recess.

As a further description of the above technical solution:

and the two third sealing rings are symmetrically arranged and are positioned on two sides of the butterfly plate.

As a further description of the above technical solution:

the valve body roof is located second groove opening part fixed mounting has the second sealing washer, sliding connection has the lateral wall of this side of valve rod in the second sealing washer.

As a further description of the above technical solution:

mounting holes are symmetrically formed between the middle positions of the two side walls of the upper side and the lower side of the mounting ring, and the mounting holes are threaded holes.

The utility model discloses following beneficial effect has:

compared with the prior art, novel ventilation butterfly valve for the one-way ventilation formula design that admits air, can realize the one-way ventilation work that admits air of device body, need not two-way gas flow and ventilates, and the leakproofness of device body has been promoted greatly under the prerequisite of the air permeability of guaranteeing the device body to three sealing washer of group of cooperation, to the work that both needs the air permeability and need the leakproofness, and practical application nature is better, can accomplish work.

Drawings

Fig. 1 is a schematic structural view of a novel ventilation butterfly valve provided by the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1 of a novel ventilation butterfly valve provided by the present invention;

fig. 3 is an enlarged view of B in fig. 1 of the novel ventilation butterfly valve provided by the present invention.

Illustration of the drawings:

1. a valve body; 2. a first groove; 3. a second groove; 4. mounting the cylinder; 5. installing a ring; 6. a third groove; 7. a fourth groove; 8. a butterfly plate; 9. a valve stem; 10. a handle; 11. mounting grooves; 12. a one-way air valve; 13. a first seal ring; 14. a second seal ring; 15. a third seal ring; 16. and (7) installing holes.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a novel ventilation butterfly valve comprises a valve body 1, a first groove 2 is arranged between the central positions of two side walls of the valve body 1, a second groove 3 is arranged at the central position of the top wall of the first groove 2, the second groove 3 penetrates through the top wall of the valve body 1, the same valve rod 9 is connected in the first groove 2 and the second groove 3 in a sliding way, a butterfly plate 8 is fixedly sleeved on the valve rod 9, mounting cylinders 4 are symmetrically and fixedly connected at the central positions of the two side walls of the valve body 1, mounting rings 5 are symmetrically and fixedly connected at the side wall of one side of the two mounting cylinders 4 away from the side wall, a fourth groove 7 is arranged at the side wall of one side of the two mounting cylinders 4 opposite to the first groove 2, the fourth groove 7 penetrates through the two side walls of the mounting cylinders 4, a third groove 6 is arranged at the side wall of one side of the two mounting rings 5 opposite to the fourth groove 7, fixed mounting has one-way pneumatic valve 12 in the mounting groove 11, can carry out one-way air guide work, and two third sealing washer 15 of 2 inside wall fixedly connected with of first recess play sealed effect, and handle 10 can be held to valve rod 9 roof fixedly connected with handle 10 and rotate, drive and its fixed connection's valve rod 9 rotates.

The outer side wall of the mounting barrel 4 and the side of the inner side wall of the fourth groove 7 are symmetrically and fixedly provided with first sealing rings 13 corresponding to two openings of the mounting groove 11, so that a sealing effect is achieved, the two first sealing rings 13 on one side are fixedly connected with one-way air valves 12 on the side, the air guide direction of the one-way air valves 12 is that the outer side of the mounting barrel 4 is towards the inner side of the fourth groove 7, air can be fed and ventilated into the inner side of the fourth groove 7 through the outer side of the mounting barrel 4, air in the fourth groove 7 can not be discharged out of the device body through the one-way air valves 12, the central position of the bottom wall of the handle 10 is fixedly connected with the top wall of the valve rod 9, the handle 10 is positioned right above the valve body 1, the butterfly plate 8 is positioned in the first groove 2, the valve rod 9 can drive the butterfly plate 8 to rotate, so that the closing and opening work, the top wall of the valve body 1 is fixedly provided with a second sealing ring 14 at the opening of the second groove 3 to play a role in sealing, the second sealing ring 14 is internally and slidably connected with the outer side wall of the valve rod 9 at the side, mounting holes 16 are symmetrically formed between the middle positions of the upper side wall and the lower side wall of the mounting ring 5, and the mounting holes 16 are threaded holes and are beneficial to mounting and fixing the device body.

The working principle is as follows: when in use, the mounting device body is fixed through the mounting holes 16 on the mounting rings 5 at two sides, the handle 10 can be held to rotate to drive the valve rod 9 fixedly connected with the mounting rings to rotate, the butterfly plate 8 is fixedly sleeved on the valve rod 9, the butterfly plate 8 is positioned in the first groove 2, the valve rod 9 can drive the butterfly plate 8 to rotate, and further the first groove 2 can be closed and opened, when the mounting device body is closed, the butterfly plate is matched with the third sealing rings 15 at two sides to achieve a good sealing effect, meanwhile, the first sealing rings 13 are symmetrically and fixedly mounted at two openings of the mounting groove 11 corresponding to the outer side wall of the mounting cylinder 4 and the inner side wall of the fourth groove 7, the second sealing rings 14 are fixedly mounted at the openings of the second groove 3 on the top wall of the valve body 1 to achieve the sealing effect of the auxiliary device body, and outside air can be guided through the air guide of the one-way air valve 12 (the one-way air, the ventilation of admitting air in the inboard fourth recess 7 through the installation section of thick bamboo 4 outside, and the gas in the fourth recess 7 can't go out the device body through one-way pneumatic valve 12, under the prerequisite of the air permeability of guaranteeing the device body, has promoted the leakproofness of device body greatly, to the work that both needs the air permeability and need the leakproofness, practical application nature is better, can accomplish work.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a novel ventilation butterfly valve, includes valve body (1), its characterized in that: the valve is characterized in that a first groove (2) is formed between the central positions of two side walls of the valve body (1), a second groove (3) is formed in the central position of the top wall of the first groove (2), the second groove (3) penetrates through the top wall of the valve body (1), the same valve rod (9) is connected with the first groove (2) and the second groove (3) in a sliding manner, a butterfly plate (8) is fixedly sleeved on the valve rod (9), mounting cylinders (4) are symmetrically and fixedly connected with the central positions of the two side walls of the valve body (1), two mounting cylinders (4) are symmetrically and fixedly connected with mounting rings (5) away from one side wall, a fourth groove (7) is formed in the side wall, opposite to one side, of each mounting cylinder (4) and corresponds to the first groove (2), the fourth groove (7) penetrates through the two side walls of the mounting cylinders (4), and the mounting rings (5) are provided with a third groove (6, third recess (6) run through installation circle (5) both sides wall, mounting groove (11) have been seted up to both sides wall central point symmetry about fourth recess (7), fixed mounting has one-way pneumatic valve (12) in mounting groove (11), two third sealing washer (15) of first recess (2) inside wall fixedly connected with, valve rod (9) roof fixedly connected with handle (10).

2. A novel ventilation butterfly valve in accordance with claim 1, wherein: the outer side wall of the mounting cylinder (4) and the inner side wall of the fourth groove (7) are symmetrically and fixedly provided with first sealing rings (13) at two openings of the mounting groove (11), and the first sealing rings (13) are fixedly connected with one-way air valves (12) at the inner side.

3. A novel ventilation butterfly valve in accordance with claim 1, wherein: the air guide direction of the one-way air valve (12) is that the outer side of the mounting cylinder (4) is towards the inner side of the fourth groove (7).

4. A novel ventilation butterfly valve in accordance with claim 1, wherein: handle (10) diapire central point puts fixedly connected with valve rod (9) roof, handle (10) are located valve body (1) directly over, butterfly plate (8) are located first recess (2).

5. A novel ventilation butterfly valve in accordance with claim 1, wherein: and the two third sealing rings (15) are symmetrically arranged and are positioned on two sides of the butterfly plate (8).

6. A novel ventilation butterfly valve in accordance with claim 1, wherein: a second sealing ring (14) is fixedly mounted at the position, located at the opening of the second groove (3), of the top wall of the valve body (1), and the outer side wall of the valve rod (9) on the side is connected in the second sealing ring (14) in a sliding mode.

7. A novel ventilation butterfly valve in accordance with claim 1, wherein: mounting holes (16) are symmetrically formed between the middle positions of the upper side wall and the lower side wall of the mounting ring (5), and the mounting holes (16) are threaded holes.