CN212928956U

CN212928956U - High-temperature-resistant butterfly valve

Info

Publication number: CN212928956U
Application number: CN202020505905.5U
Authority: CN
Inventors: 仝巧会
Original assignee: Tianjin Rio Tinto Valve Co ltd
Current assignee: Tianjin Rio Tinto Valve Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2021-04-09
Anticipated expiration: 2030-04-09

Abstract

The utility model belongs to the technical field of the valve, especially, a high temperature resistant butterfly valve, which comprises a valve body, first rotation hole has been seted up on the top inner wall of valve body, first rotation downthehole rotation is installed the valve rod, the bottom of valve rod extend to in the valve body and rotate with the bottom inner wall of valve body and be connected, be equipped with the valve clack in the valve body, valve clack and valve rod welded fastening are in the same place, the top welded fastening of valve body has sleeve and first rotation hole to be linked together, telescopic top welded fastening has the box, the top of valve rod is run through the sleeve and is extended to in the box, first round hole and second round hole have been seted up respectively on the both sides inner wall of box, rotate respectively in first round hole and the second round hole and install worm and rotate the post, and the one end welded fastening that worm and rotation post are close. The utility model is simple in operation, convenient to use, opening or closed butterfly valve that can relax to be convenient for overhaul the butterfly valve.

Description

High-temperature-resistant butterfly valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to a high temperature resistant butterfly valve.

Background

Admittedly, butterfly valves have become one of the most widely used valves at present. Generally, the butterfly valve includes valve body, disk seat, valve rod, valve clack, and this valve clack is located the inner chamber of this disk seat, and its edge and disk seat seal or open after this valve clack rotates, and this valve rod is used for driving this valve clack and rotates, and the upper portion of this valve rod is passed and is connected to rotary device such as handle or executor after the upper portion of this valve body, however, the operational environment that the butterfly valve was located is most comparatively abominable, so some butterfly valves at present can all normally work under high temperature and high pressure.

However, the existing butterfly valve is a pure mechanical mechanism formed by metal parts, so that the butterfly valve is generally very laborious to open and close, and is very inconvenient in daily maintenance work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-temperature resistant butterfly valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a high temperature resistant butterfly valve, includes the valve body, seted up first rotation hole on the top inner wall of valve body, the valve rod is installed to first rotation downthehole rotation, the bottom of valve rod extends to in the valve body and rotates with the bottom inner wall of valve body to be connected, be equipped with the valve clack in the valve body, valve clack and valve rod welded fastening are in the same place, the top welded fastening of valve body has sleeve and first rotation hole to be linked together, the top welded fastening of sleeve has the box, the top of valve rod runs through the sleeve and extends to in the box, first round hole and second round hole have been seted up respectively on the both sides inner wall of box, rotate respectively in first round hole and the second round hole and install worm and rotation post, and the one end welded fastening that worm and rotation post are close to each other is in the same place, the top welded fastening of valve rod has the worm, the box is kept away from and has been seted up the through-hole on the one side inner wall of first round hole, the actuating lever is installed to the through-hole internal rotation, the one end that the actuating lever is close to the valve rod extends to in the box and welded fastening has first gear, welded fastening has the second gear on the rotation post, second gear and first gear mesh mutually.

Preferably, a rotating groove is formed in the inner wall of the bottom of the valve body, and the bottom end of the valve rod is rotatably connected with the inner wall of the rotating groove.

Preferably, a sealing bearing is arranged in the first rotating hole, the outer ring of the sealing bearing is in interference fit with the inner wall of the first rotating hole, and the inner ring of the sealing bearing is sleeved on the valve rod in interference fit.

Preferably, one end of the driving rod, which is far away from the first gear, extends out of the through hole and is fixedly welded with a hand wheel.

Preferably, a second rotating hole is formed in the inner wall of the bottom of the box body, the second rotating hole is communicated with the sleeve, and the valve rod is rotatably connected with the inner wall of the second rotating hole.

Preferably, the first gear and the second gear have a gear ratio of 1: 4.

Compared with the prior art, the beneficial effects of the utility model are that: when the valve body is overhauled, the hand wheel can be rotated to drive the driving rod to rotate, the driving rod drives the first gear to rotate, the first gear drives the second gears which are meshed with each other to rotate, the second gear drives the rotating column to rotate, the rotating column drives the worm to rotate, the worm drives the worm gears which are meshed with each other to rotate, the worm gears drive the valve rod to rotate, and the valve rod drives the valve clack to rotate, so that the valve body can be opened and closed along with the rotation of the valve clack.

The utility model is simple in operation, convenient to use, opening or closed butterfly valve that can relax to be convenient for overhaul the butterfly valve.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an assembly view of the worm gear and worm of the present invention;

in the figure: 1. a valve body; 2. a first rotation hole; 3. a valve stem; 4. a valve flap; 5. a sleeve; 6. A box body; 7. a first circular hole; 8. a second circular hole; 9. a worm; 10. rotating the column; 11. a worm gear; 12. a through hole; 13. a drive rod; 14. a first gear; 15. a second gear.

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. 1-3, the present invention provides a technical solution: a high-temperature-resistant butterfly valve comprises a valve body 1, a first rotating hole 2 is formed in the inner wall of the top of the valve body 1, a valve rod 3 is rotatably installed in the first rotating hole 2, the bottom end of the valve rod 3 extends into the valve body 1 and is rotatably connected with the inner wall of the bottom of the valve body 1, a valve clack 4 is arranged in the valve body 1, the valve clack 4 and the valve rod 3 are welded and fixed together, a sleeve 5 is welded and fixed to the top of the valve body 1 and is communicated with the first rotating hole 2, a box body 6 is welded and fixed to the top of the sleeve 5, the top end of the valve rod 3 penetrates through the sleeve 5 and extends into the box body 6, a first round hole 7 and a second round hole 8 are respectively formed in the inner walls of two sides of the box body 6, a worm 9 and a rotating column 10 are respectively rotatably installed in the first round hole 7 and the second round hole 8, one, the worm wheel 11 is meshed with the worm 9, a through hole 12 is formed in the inner wall of one side, away from the first round hole 7, of the box body 6, a driving rod 13 is rotatably mounted in the through hole 12, one end, close to the valve rod 3, of the driving rod 13 extends into the box body 6 and is fixedly welded with a first gear 14, a second gear 15 is fixedly welded on the rotating column 10, and the second gear 15 is meshed with the first gear 14;

the inner wall of the bottom of the valve body 1 is provided with a rotating groove, the bottom end of the valve rod 3 is rotationally connected with the inner wall of the rotating groove, a sealing bearing is arranged in the first rotating hole 2, the outer ring of the sealing bearing is in interference fit with the inner wall of the first rotating hole 2, the inner ring of the sealing bearing is in interference fit with the valve rod 3, one end of the driving rod 13, far away from the first gear 14, extends out of the through hole 12 and is fixedly welded with a hand wheel, the inner wall of the bottom of the box body 6 is provided with a second rotating hole which is communicated with the sleeve, the valve rod is rotationally connected with the inner wall of the second rotating hole, the gear ratio of the first gear 14 to the second gear 15 is 1:4, when in maintenance, the driving rod 13 can be driven to rotate by rotating the hand wheel, the driving rod 13 drives the first gear 14 to rotate, the first gear 14 drives the second gear 15 which is meshed with each other to, the post 10 rotates and drives worm 9 again and rotates, and worm 9 drives intermeshing's worm wheel 11 again and rotates, and worm wheel 11 drives valve rod 3 again and rotates, and valve rod 3 drives valve clack 4 again and rotates to along with valve clack 4's rotation alright with realize opening and being closed of valve body 1, the utility model is simple in operation, convenient to use, opening or closed butterfly valve that can relax to be convenient for overhaul the butterfly valve.

The working principle is as follows: when overhauing, can be through rotating the hand wheel, the hand wheel drives actuating lever 13 again and rotates, actuating lever 13 takes first gear 14 again and rotates, first gear 14 drives intermeshing's second gear 15 again and rotates, second gear 15 drives rotation post 10 again and rotates, it drives worm 9 again and rotates to rotate post 10, worm 9 drives intermeshing's worm wheel 11 again and rotates, worm wheel 11 drives valve rod 3 again and rotates, valve rod 3 drives valve clack 4 again and rotates, thereby along with valve clack 4's rotation alright realize opening and being closed of valve body 1, the utility model is simple in operation, convenient to use, opening or closed butterfly valve that can relax to be convenient for overhaul the butterfly valve.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high temperature resistant butterfly valve, includes valve body (1), its characterized in that: the improved valve is characterized in that a first rotating hole (2) is formed in the inner wall of the top of the valve body (1), a valve rod (3) is installed in the first rotating hole (2) in a rotating mode, the bottom end of the valve rod (3) extends into the valve body (1) and is connected with the inner wall of the bottom of the valve body (1) in a rotating mode, a valve clack (4) is arranged in the valve body (1), the valve clack (4) is fixedly connected with the valve rod (3), a sleeve (5) and the first rotating hole (2) are fixedly installed in the top of the valve body (1) and are communicated, a box body (6) is fixedly installed at the top of the sleeve (5), the top end of the valve rod (3) penetrates through the sleeve (5) and extends into the box body (6), a first round hole (7) and a second round hole (8) are respectively formed in the inner walls of the two sides of the box body (6), a worm (9) and a rotating column (, and worm (9) and the one end fixed connection that rotation post (10) are close to each other, the top fixed mounting of valve rod (3) has worm wheel (11), worm wheel (11) and worm (9) mesh mutually, through-hole (12) have been seted up on one side inner wall of first round hole (7) is kept away from in box (6), actuating lever (13) are installed to through-hole (12) internal rotation, the one end that actuating lever (13) are close to valve rod (3) extends to in box (6) and fixed mounting has first gear (14), fixed mounting has second gear (15) on rotation post (10), second gear (15) and first gear (14) mesh mutually.

2. The high temperature resistant butterfly valve of claim 1, wherein: the bottom inner wall of the valve body (1) is provided with a rotating groove, and the bottom end of the valve rod (3) is rotatably connected with the inner wall of the rotating groove.

3. The high temperature resistant butterfly valve of claim 1, wherein: and a sealing bearing is arranged in the first rotating hole (2), the outer ring of the sealing bearing is fixedly connected with the inner wall of the first rotating hole (2), and the inner ring of the sealing bearing is fixedly sleeved on the valve rod (3).

4. The high temperature resistant butterfly valve of claim 1, wherein: one end of the driving rod (13) far away from the first gear (14) extends out of the through hole (12) and is fixedly provided with a hand wheel.

5. The high temperature resistant butterfly valve of claim 1, wherein: and a second rotating hole is formed in the inner wall of the bottom of the box body (6), the second rotating hole is communicated with the sleeve, and the valve rod is rotatably connected with the inner wall of the second rotating hole.

6. The high temperature resistant butterfly valve of claim 1, wherein: the gear ratio of the first gear (14) to the second gear (15) is 1: 4.