CN215410233U

CN215410233U - Sealed adjustable ball-rotating type metal hard seal butterfly valve

Info

Publication number: CN215410233U
Application number: CN202121386625.8U
Authority: CN
Inventors: 唐世号
Original assignee: Jiangsu Tanggong Automatic Control Equipment Co ltd
Current assignee: Jiangsu Tanggong Automatic Control Equipment Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-01-04
Anticipated expiration: 2031-06-22

Abstract

The utility model relates to the technical field of butterfly valves and discloses a sealed adjustable rotary ball type metal hard sealing butterfly valve which comprises a valve pipe, wherein arc grooves are formed in the upper wall and the lower wall of the inner side of the valve pipe, the inner sides of the arc grooves on the two sides are movably connected with two baffle plates which are symmetrically distributed in the front-back direction, a connecting block is fixedly arranged between the two baffle plates, a connecting pipe penetrating through and extending to the upper part of the valve pipe is fixedly arranged between the two baffle plates, elastic sheets with the other ends fixedly connected with the connecting block are fixedly arranged on the left side and the right side of the connecting pipe, a rubber sealing gasket is fixedly arranged on the outer side of each elastic sheet, a sliding block is connected to the inner part of each connecting pipe in a sliding mode, and a first pull rope with the other ends fixedly connected with the elastic sheets is fixedly arranged at the bottom of each sliding block. The sealed adjustable rotary ball type metal hard seal butterfly valve has the advantage that the abrasion of a sealing component can not occur when the valve is closed and opened.

Description

Sealed adjustable ball-rotating type metal hard seal butterfly valve

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a sealed adjustable rotary ball type metal hard seal butterfly valve.

Background

A butterfly valve, also called a flap valve, is a regulating valve with a simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve with a closing part (a valve clack or a butterfly plate) which is a disc and rotates around a valve shaft to open and close, and 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. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.

The existing metal hard seal butterfly valve has the advantage of good sealing performance, but the metal hard seal butterfly valve is usually used for long-term opening and closing during normal use, so that an internal sealing element is abraded, the butterfly valve cannot be effectively sealed in a closed state, and the problem of the sealing adjustable rotary ball type metal hard seal butterfly valve is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sealed adjustable ball-type metal hard seal butterfly valve to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a sealed adjustable rotary ball type metal hard sealing butterfly valve comprises a valve pipe, wherein arc grooves are formed in the upper wall and the lower wall of the inner side of the valve pipe, the inner sides of the arc grooves on two sides are movably connected with two baffle plates which are symmetrically distributed in the front-back direction, a connecting block is fixedly arranged between the two baffle plates, a connecting pipe which penetrates through and extends to the upper side of the valve pipe is fixedly arranged between the two baffle plates, elastic sheets of which the other ends are fixedly connected with the connecting block are fixedly arranged on the left side and the right side of the connecting pipe, rubber sealing gaskets are fixedly arranged on the outer sides of the elastic sheets, a sliding block is slidably connected inside the connecting pipe, a first pull rope of which the other ends are fixedly connected with the elastic sheets is fixedly arranged at the bottom of the sliding block, a connecting holding rod is fixedly arranged at the top of the connecting pipe, a rotating seat is fixedly arranged at the top of the connecting holding rod, and a control rod is rotatably connected to the inner side of the rotating seat, the right side fixed mounting who connects the holding rod has latch device, the top fixed mounting of sliding block runs through and extends to connect the holding rod top and with control lever fixed connection's second stay cord.

The utility model has the beneficial effects that:

the sealed adjustable rotary ball type metal hard seal butterfly valve has the advantage that the abrasion of a sealing component can not occur when the valve is closed and opened.

As a still further scheme of the utility model: the quantity of connecting block is three, and adjacent two all fixed being provided with the flexure strip between the connecting block.

Adopt above-mentioned further scheme's beneficial effect be, the setting of a plurality of flexure strips can make its pattern of deformation more regular, prevents that irregular deformation from appearing and influencing rubber seal pad.

As a still further scheme of the utility model: the front side and the rear side of the rubber sealing gasket are respectively contacted with the opposite sides of the two baffles.

Adopt above-mentioned further scheme's beneficial effect be, its sealing performance when normal use can be guaranteed in the setting of rubber seal pad, prevents to appear closing occasionally liquid leakage condition.

As a still further scheme of the utility model: the control lever is the L type, it has the dwang that runs through the control lever to rotate the seat and be C type and inboard fixed mounting, the control lever passes through the dwang and rotates the seat rotation and be connected.

Adopt above-mentioned further scheme's beneficial effect to be, the control lever that is the L type can pass through the first stay cord of sliding block pulling when rotating to make the flexure strip begin to deform, make rubber packing pad no longer with valve pipe contact from here.

As a still further scheme of the utility model: clamping device is including being fixed in the joint seat on connection holding rod right side, the inside sliding connection of joint seat has the slider, the left side fixed mounting of slider have with the inner chamber left side wall fixed connection's of joint seat spring, the left side fixed mounting of slider has to run through and extend to the left kelly of joint seat, the top fixed mounting of slider has the poker rod that runs through and extend to joint seat top.

The beneficial effect who adopts above-mentioned further scheme is that, setting up of latch device can be convenient can be firm with the control lever card, also can be convenient loosen it, makes it overall control comparatively simple.

As a still further scheme of the utility model: the top of the clamping seat is provided with a waist-shaped hole with the width matched with the diameter of the poking rod, and the poking rod slides through the waist-shaped hole.

Adopt above-mentioned further scheme's beneficial effect to be, the setting in waist type hole can make things convenient for the slip of poker rod, but can carry on spacingly to the sliding block simultaneously.

As a still further scheme of the utility model: the left side top of kelly is chamfered and is personally submitted the polishing setting, the bottom of kelly is greater than the diameter of control lever to the distance of connecting the holding rod bottom.

Adopt the beneficial effect of above-mentioned further scheme to be, what the setting of card pole can be convenient blocks the control lever when rotating the control lever, makes it unable to kick-back.

Drawings

FIG. 1 is a schematic structural diagram of a sealed adjustable rotary ball type metal hard seal butterfly valve;

FIG. 2 is an enlarged view of the portion A of FIG. 1 of a sealed and adjustable rotary ball type metal hard seal butterfly valve;

FIG. 3 is a connection diagram of a connection holding rod and a control rod of a sealed adjustable rotary ball type metal hard seal butterfly valve;

fig. 4 is a three-dimensional view of a sealed adjustable rotary ball type metal hard seal butterfly valve.

In the figure: 1. a valve tube; 2. an arc groove; 3. a baffle plate; 4. connecting blocks; 5. a connecting pipe; 6. an elastic sheet; 7. a rubber gasket; 8. a slider; 9. a first pull cord; 10. connecting the holding rod; 11. a rotating seat; 12. a clamping device; 121. a clamping seat; 122. a slider; 123. a spring; 124. a clamping rod; 125. a poke rod; 13. a second pull cord; 14. a control lever.

Detailed Description

Referring to fig. 1 to 4, in the embodiment of the present invention, a sealed adjustable ball-rotating type metal hard seal butterfly valve includes a valve tube 1, wherein the upper and lower walls of the inner side of the valve tube 1 are both provided with arc grooves 2, the inner sides of the arc grooves 2 at both sides are movably connected with two baffles 3 which are symmetrically distributed in the front-rear direction, connecting blocks 4 are fixedly installed between the two baffles 3, the number of the connecting blocks 4 is three, an elastic sheet 6 is fixedly installed between two adjacent connecting blocks 4, a connecting pipe 5 which penetrates and extends to the upper side of the valve tube 1 is fixedly installed between the two baffles 3, elastic sheets 6 whose other ends are fixedly connected with the connecting blocks 4 are fixedly installed at both left and right sides of the connecting pipe 5, a rubber seal 7 is fixedly installed at the outer side of the elastic sheet 6, the front and rear sides of the rubber seal 7 are respectively contacted with the opposite sides of the two baffles 3, a sliding block 8 is slidably connected inside the connecting pipe 5, a first pull rope 9 with the other end fixedly connected with the elastic sheet 6 is fixedly arranged at the bottom of the sliding block 8, a connecting holding rod 10 is fixedly arranged at the top of the connecting pipe 5, a rotating seat 11 is fixedly arranged at the top of the connecting holding rod 10, a control rod 14 is rotatably connected at the inner side of the rotating seat 11, the control rod 14 is L-shaped, the rotating seat 11 is C-shaped, a rotating rod penetrating through the control rod 14 is fixedly arranged at the inner side of the rotating seat 11, the control rod 14 is rotatably connected with the rotating seat 11 through the rotating rod, a clamping device 12 is fixedly arranged at the right side of the connecting holding rod 10, the clamping device 12 comprises a clamping seat 121 fixed at the right side of the connecting holding rod 10, a kidney-shaped hole with the width matched with the diameter of the poking rod 125 is arranged at the top of the clamping seat 121, the poking rod 125 slides through the kidney-shaped hole, a sliding block 122 is slidably connected inside the clamping seat 121, a spring 123 fixedly connected with the left side wall of the inner cavity of the clamping seat 121 is fixedly arranged at the left side of the sliding block 122, slider 122's left side fixed mounting runs through and extends to the left kelly 124 of joint seat 121, the left side top of kelly 124 has the bevel angle and the chamfer is personally submitted the polishing setting, the bottom of kelly 124 is greater than the diameter of control lever 14 to the distance of connecting holding rod 10 bottom, slider 122's top fixed mounting runs through and extends to the poker rod 125 of joint seat 121 top, slider 8's top fixed mounting runs through and extends to connect holding rod 10 top and with control lever 14 fixed connection's second stay cord 13.

The working principle of the utility model is as follows:

the first step is as follows: when the valve needs to be closed, the right side of the control rod 14 is pressed, the right end of the control rod 14 is enabled to be started to be contacted with and extruded by the clamping rod 124, the spring 123 starts to be stretched, the control rod 14 continues to be rotated until the clamping rod 124 moves towards the left side under the action of the spring 123 to clamp the control rod 14, when the control rod 14 rotates, the sliding block 8 is pulled upwards through the second pull rope 13, at the moment, the sliding block 8 can pull the elastic sheet 6 to start deformation through the first pull rope 9, at the moment, the rubber sealing gasket 7 can start to deform towards the inner side, and therefore the rubber sealing gasket 7 is enabled not to be contacted with the valve pipe 1 any more when the baffle 3 rotates;

the second step is that: after the valve is closed, the control rod 14 is shifted to the right side, the rubber sealing gasket 7 is restored by the elastic force of the elastic sheet 6, the control rod 14 is pulled to reset through the sliding block, and the rubber sealing gasket 7 which resets at the moment can be sealed again.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. The utility model provides a sealed adjustable ball-rotating type metal hard seal butterfly valve, includes valve pipe (1), its characterized in that, arc groove (2) have all been seted up to two walls about the inboard of valve pipe (1), both sides the inboard of arc groove (2) all with quantity be two and be baffle (3) swing joint of front and back symmetric distribution, two fixed mounting has connecting block (4) between baffle (3), two fixed mounting has connecting pipe (5) that run through and extend to valve pipe (1) top between baffle (3), the equal fixed mounting in the left and right sides of connecting pipe (5) has the other end and connecting block (4) fixed connection's flexure strip (6), the outside fixed mounting of flexure strip (6) has rubber seal pad (7), the inside sliding connection of connecting pipe (5) has sliding block (8), the bottom fixed mounting of sliding block (8) has the first stay cord (9) of the other end and flexure strip (6) fixed connection, the top fixed mounting of connecting pipe (5) has connection holding rod (10), the top fixed mounting who connects holding rod (10) has rotation seat (11), the inboard of rotating seat (11) is rotated and is connected with control lever (14), the right side fixed mounting who connects holding rod (10) has latch device (12), the top fixed mounting of sliding block (8) has to run through and extend to the second stay cord (13) of connecting holding rod (10) top and with control lever (14) fixed connection.

2. The metal hard seal butterfly valve with the adjustable sealing ball is characterized in that the number of the connecting blocks (4) is three, and an elastic sheet (6) is fixedly arranged between every two adjacent connecting blocks (4).

3. A metal-hard sealed butterfly valve of the sealed and adjustable rotary ball type according to claim 1, characterised in that the front and rear sides of the rubber gasket (7) are in contact with the opposite sides of the two baffles (3).

4. The metal hard seal butterfly valve with the adjustable sealing ball type according to claim 1, wherein the control rod (14) is L-shaped, the rotating seat (11) is C-shaped, and a rotating rod penetrating through the control rod (14) is fixedly installed on the inner side of the rotating seat (11), and the control rod (14) is rotatably connected with the rotating seat (11) through the rotating rod.

5. The sealed adjustable rotary ball type metal hard seal butterfly valve according to claim 1, wherein the clamping device (12) comprises a clamping seat (121) fixed on the right side of the connecting holding rod (10), a sliding block (122) is slidably connected inside the clamping seat (121), a spring (123) fixedly connected with the left side wall of an inner cavity of the clamping seat (121) is fixedly installed on the left side of the sliding block (122), a clamping rod (124) penetrating and extending to the left side of the clamping seat (121) is fixedly installed on the left side of the sliding block (122), and a poking rod (125) penetrating and extending to the upper side of the clamping seat (121) is fixedly installed on the top of the sliding block (122).

6. The metal hard seal butterfly valve with the adjustable sealing ball is characterized in that a waist-shaped hole with the width matched with the diameter of the poke rod (125) is formed in the top of the clamping seat (121), and the poke rod (125) slides through the waist-shaped hole.

7. The metal hard seal butterfly valve with the adjustable sealing ball rotating type according to claim 5, wherein the top of the left side of the clamping rod (124) is beveled and the beveled surface is polished, and the distance from the bottom of the clamping rod (124) to the bottom of the connecting holding rod (10) is larger than the diameter of the control rod (14).