CN220365962U - Leakless sealing butterfly valve - Google Patents

Abstract

The utility model discloses a leak-free sealing butterfly valve, which comprises a valve body, a sealing mechanism and a locking mechanism, wherein a sealing ring is sleeved on the inner wall of the valve body, the upper end of the outer wall of the valve body is fixedly provided with a control valve end, a driving shaft on the inner wall of the control valve end is downwards connected with a valve plate, one side of the outer wall of the control valve end is connected with a control wheel, the sealing mechanism is arranged on two sides of the outer wall of the valve body, the locking mechanism is fixed on the outer wall of the control valve end, the leak-free sealing butterfly valve can be arranged through the arrangement of the sealing mechanism, after the valve ends on two sides of the butterfly valve are connected and fixed with a connecting pipe, a sealing arc plate can be conveniently driven to move inwards through a sliding structure of a sliding block and a sliding frame, the joint of the valve end and the connecting pipe can be effectively sealed by using a locking bolt for fixing, the situation that liquid leakage is generated in a gap at the joint when the pressure of a flowing medium is overlarge is avoided, and the working stability and the leak-proof capability of the device are effectively improved.

Description

Leakless sealing butterfly valve

Technical Field

The utility model belongs to the technical field of butterfly valves, and particularly relates to a leakage-free sealing butterfly valve.

Background

The butterfly valve is also called as a flap valve, and is simple in structure, and the butterfly valve capable of being used for controlling the opening and closing of low-pressure pipeline media is a valve in which a closing member is a disc and rotates around a valve shaft to achieve opening and closing.

The butterfly valve that uses at present all exists, and the leakproofness is not enough, and when the circulation medium pressure was great, the valve end junction of butterfly valve both sides lacks supplementary sealed effect, produces the problem that the condition of weeping takes place easily.

Disclosure of Invention

The utility model aims to provide a leakage-free sealing butterfly valve, which solves the problems that the currently used butterfly valves provided in the background art have insufficient sealing performance, and when the pressure of a flowing medium is high, the joint of valve ends at two sides of the butterfly valve lacks auxiliary sealing effect, and liquid leakage is easy to occur.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the leakage-free sealing butterfly valve comprises a valve body, a sealing mechanism and a locking mechanism, wherein a sealing ring is sleeved on the inner wall of the valve body, a control valve end is fixed at the upper end of the outer wall of the valve body, a valve plate is connected with a driving shaft of the inner wall of the control valve end downwards, a control wheel is connected with one side of the outer wall of the control valve end, the sealing mechanism is arranged on two sides of the outer wall of the valve body, and the locking mechanism is fixed on the outer wall of the control valve end.

Preferably, the sealing mechanism comprises a sliding frame, a sliding block, a locking bolt and a sealing arc plate, wherein the sliding frame is fixed on the outer wall of the control valve end, the sliding block is sleeved on the inner wall of the sliding frame, the locking bolt is arranged at the upper end of the outer wall of the sliding block, and the lower end of the outer wall of the sliding block is connected with the sealing arc plate.

Preferably, the sealing arc plate and the sliding frame form a sliding structure through the sliding block, and the outer wall of the sliding block is tightly attached to the inner wall of the sliding frame.

Preferably, the locking mechanism comprises a locking seat, a spring, a locking support and a lifting frame, wherein the locking seat is fixed on the outer wall of the control valve end, the spring is welded on one side of the outer wall of the locking seat, the upper end of the outer wall of the spring is connected with the locking support, and the upper end of the outer wall of the locking support is connected with the lifting frame.

Preferably, the lifting frame and the locking seat form a telescopic structure through a spring, and the spring is symmetrically arranged by taking the central axis of the locking seat as an axis.

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

1. according to the leakage-free sealing butterfly valve, through the arrangement of the sealing mechanism, after the valve ends at two sides of the butterfly valve are connected and fixed with the connecting pipe, the sealing arc plates can be conveniently driven to move inwards through the sliding structure of the sliding block matched with the sliding frame, the joint of the valve ends and the connecting pipe can be effectively extruded and sealed through the two groups of sealing arc plates, the locking bolts are used for fixing, the condition that liquid leakage occurs in a gap at the joint when the pressure of a flowing medium is overlarge is avoided, and the working stability and the leakage-proof capacity of the device are effectively improved;

2. this no leakage seal butterfly valve, through locking mechanical system's setting, such setting can be after using the control wheel cooperation control valve end to adjust valve block operational angle, can extrude the control wheel through the lock bracket under the elastic telescopic structure that lock bracket cooperation spring and locking seat constitute, avoid the circulation medium to last impact valve block can drive the control wheel and produce not hard up, influence the job stabilization nature of the device, when needs are adjusted the valve block, can drive the lock bracket through pulling the lifting frame and break away from the control wheel, the staff of being convenient for operates the control wheel and adjusts, the job stabilization nature and the practicality of the device have been improved effectively.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic view of the connection structure of the sealing mechanism of the present utility model;

FIG. 3 is a schematic view of the connection structure of the locking mechanism of the present utility model.

In the figure: 1. a valve body; 2. a seal ring; 3. a control valve end; 4. a valve plate; 5. a control wheel; 6. a sealing mechanism; 601. a carriage; 602. a slide block; 603. a locking bolt; 604. sealing the arc plate; 7. a locking mechanism; 701. a locking seat; 702. a spring; 703. a locking bracket; 704. and a lifting frame.

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 leak-free sealing butterfly valve comprises a valve body 1, a sealing mechanism 6 and a locking mechanism 7, wherein a sealing ring 2 is sleeved on the inner wall of the valve body 1, a control valve end 3 is fixed at the upper end of the outer wall of the valve body 1, a valve plate 4 is connected with the inner wall of the control valve end 3 downwards, a control wheel 5 is connected with one side of the outer wall of the control valve end 3, the sealing mechanism 6 is arranged on two sides of the outer wall of the valve body 1, the sealing mechanism 6 comprises a sliding frame 601, a sliding block 602, a locking bolt 603 and a sealing arc plate 604, the sliding frame 601 is fixed on the outer wall of the control valve end 3, the sliding block 602 is sleeved on the inner wall of the sliding frame 601, the locking bolt 603 is arranged at the upper end of the outer wall of the sliding block 602, the lower end of the outer wall of the sliding block 602 is connected with the sealing arc plate 604, the sealing arc plates 604 form a sliding structure with the sliding frame 601 through the sliding blocks 602, the outer walls of the sliding blocks 602 are tightly attached to the inner walls of the sliding frame 601, after the two valve ends of the butterfly valve are fixedly connected with the connecting pipe, the sealing arc plates 604 can be conveniently driven to move inwards through the sliding structures of the sliding blocks 602 and the sliding frame 601, the joint of the valve ends and the connecting pipe can be effectively extruded and sealed through the two groups of sealing arc plates 604, the locking bolts 603 are used for fixing, the condition that liquid leakage occurs in gaps at the joints when the pressure of flowing media is overlarge is avoided, and the working stability and the leakage-proof capacity of the device are effectively improved;

the locking mechanical system 7 is fixed on the outer wall of control valve end 3, locking mechanical system 7 includes locking seat 701, spring 702, locking support 703 and lifting frame 704, locking seat 701 is fixed on the outer wall of control valve end 3, and locking seat 701 outer wall one side all welds spring 702, spring 702 outer wall upper end is connected with locking support 703, and locking support 703 outer wall upper end is connected with lifting frame 704, lifting frame 704 constitutes extending structure through spring 702 and locking seat 701, and the axis of spring 702 with locking seat 701 is axisymmetric setting, such setting can be under the elastic extending structure that uses control wheel 5 cooperation control valve end 3 to adjust valve block 4 operational angle, can extrude control wheel 5 through locking support 703 cooperation spring 702 and locking seat 701, avoid the circulation medium to last valve block 4 and can drive control wheel 5 and produce not hard up, the job stabilization nature of the device, when needs to adjust valve block 4, can break away from control wheel 5 through pulling lifting frame 703, the job stabilization nature and practicality of the device have been improved effectively to the staff operation control wheel 5 of being convenient for.

Working principle: when the leak-free sealing butterfly valve is needed, firstly, after valve ends at two sides of the butterfly valve are connected and fixed with a connecting pipe, the sealing arc plates 604 can be conveniently driven to move inwards through the sliding structure of the sliding block 602 and the sliding block 601, the joint of the valve ends and the connecting pipe can be effectively extruded and sealed through the two groups of sealing arc plates 604, the locking bolt 603 is used for fixing, the condition that liquid leakage is generated in a joint gap when the pressure of a flowing medium is overlarge is avoided, secondly, after the working angle of the valve plate 4 is regulated by using the control wheel 5 to be matched with the control valve end 3, the control wheel 5 can be extruded and limited through the locking bracket 703 under the elastic telescopic structure formed by the locking bracket 703 and the locking seat 701, the condition that the flowing medium continuously impacts the valve plate 4 to loosen the control wheel 5 to influence the working stability of the device is avoided, and when the regulation is needed, the lifting bracket 704 can be pulled to drive the locking bracket 703 to be separated from the control wheel 5, so that a worker can operate the control wheel 5 to regulate the butterfly valve plate 5, and therefore, the leak-free sealing butterfly valve is used is explained.

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 (5)

1. The leakage-free sealing butterfly valve is characterized in that: including valve body (1), sealing mechanism (6) and locking mechanical system (7), valve body (1) inner wall cover is equipped with sealing washer (2), and valve body (1) outer wall upper end is fixed with control valve end (3), control valve end (3) inner wall drive shaft downwardly connected with valve block (4), control valve end (3) outer wall one side is connected with control wheel (5), sealing mechanism (6) are installed in the outer wall both sides of valve body (1), locking mechanical system (7) are fixed on the outer wall of control valve end (3).

2. The leak-free seal butterfly valve of claim 1, wherein: sealing mechanism (6) are including balladeur train (601), slider (602), locking bolt (603) and sealed arc board (604), balladeur train (601) are fixed on the outer wall of control valve end (3), and balladeur train (601) inner wall cover is equipped with slider (602), slider (602) outer wall upper end is provided with locking bolt (603), and slider (602) outer wall lower extreme is connected with sealed arc board (604).

3. The leak-free seal butterfly valve of claim 2, wherein: the sealing arc plate (604) and the sliding frame (601) form a sliding structure through the sliding block (602), and the outer wall of the sliding block (602) is tightly attached to the inner wall of the sliding frame (601).

4. The leak-free seal butterfly valve of claim 1, wherein: the locking mechanism (7) comprises a locking seat (701), a spring (702), a locking support (703) and a lifting frame (704), wherein the locking seat (701) is fixed on the outer wall of the control valve end (3), the spring (702) is welded on one side of the outer wall of the locking seat (701), the upper end of the outer wall of the spring (702) is connected with the locking support (703), and the upper end of the outer wall of the locking support (703) is connected with the lifting frame (704).

5. The leak-free seal butterfly valve of claim 4, wherein: the lifting frame (704) and the locking seat (701) form a telescopic structure through a spring (702), and the spring (702) is arranged in an axisymmetric mode by taking the central axis of the locking seat (701).