CN219655283U - Butterfly valve capable of preventing sealing ring from shifting - Google Patents

Abstract

The utility model relates to the technical field of butterfly valves, and discloses a butterfly valve capable of preventing a sealing ring from deviating, which comprises a butterfly valve body, wherein a connecting column penetrates through the surface of the butterfly valve body and is fixed with the surface of the butterfly valve body, the connecting column is penetrated with a rotating rod, the rotating rod is rotationally connected with the connecting column, the rotating rod penetrates through a valve plate, the rotating rod is fixedly connected with the valve plate, the valve plate is arranged in the butterfly valve body, a limiting assembly and a linkage assembly are arranged on the surface of the valve plate, and the limiting assembly comprises: the cross card, the cross card runs through the valve plate, cross card and valve plate sliding connection, this butterfly valve that can prevent sealing washer skew will seal the pad and place into the recess of valve plate for the draw-in groove of sealing pad and the position coincidence of cross card, personnel can reverse the round bar this moment, and then make the cross card get into in the draw-in groove of sealing pad, and then spacing to sealing pad, thereby can stabilize sealing pad, prevent to take place sealing pad off tracking when using.

Description

Butterfly valve capable of preventing sealing ring from shifting

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve capable of preventing a sealing ring from deviating.

Background

The butterfly valve is also called as a flap valve, and is a regulating valve with simple structure, and the butterfly valve capable of being used for the on-off control of low-pressure pipeline medium is a valve in which a closing member (a valve clack or a butterfly plate) is a disc and rotates around a valve shaft to achieve opening and closing, and the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive mediums, slurry, oil products, liquid metal, radioactive mediums and the like. The pipe is mainly used for cutting and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly valve opening and closing piece in the valve body, so that the purpose of opening and closing or adjusting is achieved.

Sealing gasket can be fixed on the valve plate surface in the existing butterfly valve, but when using for a long time, can make sealing gasket friction butterfly valve body, can make sealing gasket take place the skew over time to can influence the leakproofness of butterfly valve body, and then influence its normal use, and when producing wearing and tearing between current butterfly valve body and the sealing gasket and need changing, need wholly dismantle, just can change, very inconvenience.

Disclosure of Invention

The utility model aims to provide a butterfly valve capable of preventing a sealing ring from deviating, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a butterfly valve that sealing washer skew can be prevented, includes the butterfly valve body, the surface of butterfly valve body runs through and is fixed with the spliced pole, the spliced pole is run through there is the bull stick, the bull stick rotates with the spliced pole to be connected, the bull stick runs through there is the valve plate, bull stick and valve plate fixed connection, the valve plate sets up the inside at the butterfly valve body, the valve plate surface is provided with spacing subassembly and interlock subassembly, spacing subassembly includes:

the cross-shaped clamp penetrates through the valve plate, the cross-shaped clamp is in sliding connection with the valve plate, a spring is fixed on the surface of the cross-shaped clamp, one end of the spring, far away from the cross-shaped clamp, is fixed on the surface of the valve plate, a stabilizing hole is formed in the surface of the cross-shaped clamp, and the cross-shaped clamp is clamped with the sealing gasket clamping groove, so that the sealing gasket is stabilized.

Preferably, the interlock subassembly includes the round bar, the round bar runs through the cross card, the arc wall has been seted up on the round bar surface, the ring channel has been seted up on the surface of round bar, arc wall and ring channel intercommunication, the inner wall in stabilizing the hole is fixed with the butt pole, the one end and arc wall, ring channel inner wall sliding connection that the cross card was kept away from to the butt pole, the surface of valve plate and the one end laminating of round bar, use for a long time at sealed pad, when the excessive effect of wearing and tearing descends, personnel can change sealed the pad this moment, can rotate the round bar this moment for the butt pole slides on the inner wall of arc wall, and then makes the butt pole outwards drive the cross card and remove, and then makes the cross card break away from the draw-in groove of sealed pad, continues to rotate the round bar, makes the butt pole get into in the ring channel, makes the inner wall of ring channel contradict with the surface of butt pole, can send the round bar this moment, can personnel take down sealed pad this moment.

Preferably, a turntable is fixed at the top of the rotating rod.

Preferably, the surface of valve plate has seted up flutedly, the recess inner wall joint of valve plate has sealed pad, simultaneously through setting up the recess of valve plate, can further stabilize sealed pad, prevents that sealed pad from using for a long time to lead to sealed pad to take place the skew.

Preferably, a clamping groove is formed in the surface of the sealing gasket.

Preferably, one end of the cross clip, which is close to the sealing gasket, is provided with an inclined surface, and the clamping groove of the sealing gasket is consistent with the inclined surface of the cross clip.

Compared with the prior art, the butterfly valve capable of preventing the sealing ring from deviating has the following beneficial effects:

1. this butterfly valve that sealing washer skew can be prevented is provided with spacing subassembly, places sealed pad into the recess of valve plate for the draw-in groove of sealed pad coincides with the position of cross card, and personnel can reverse the round bar this moment, and then makes the cross card get into in the draw-in groove of sealed pad, and then spacing sealed pad, thereby can stabilize sealed pad, prevent to take place sealed pad off tracking when using.

2. This butterfly valve that sealing washer skew can be prevented is provided with the interlock subassembly, use for a long time at sealed pad, when wearing and tearing excessive effect descends, personnel can change sealed pad this moment, can rotate the round bar this moment for the butt pole slides on the inner wall of arc groove, and then makes the butt pole outwards drive the cross card and remove, and then makes the cross card break away from the draw-in groove of sealed pad, continues to rotate the round bar, makes the butt pole get into the ring channel in, make the inner wall of ring channel contradict with the surface of butt pole, can send the round bar this moment, can personnel take off sealed pad this moment.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic view of a partial front view of the present utility model;

FIG. 3 is a schematic view of a partial front view of the present utility model;

FIG. 4 is a schematic view of the connection relationship among the round rod, the arc-shaped groove, the annular groove and the supporting rod;

FIG. 5 is a schematic diagram of the cross-shaped card and abutment connection relationship of the present utility model in elevation;

FIG. 6 is a schematic view of the enlarged structure of FIG. 5A according to the present utility model;

FIG. 7 is a schematic diagram showing the front view of the gasket of the present utility model.

In the figure: 1. a butterfly valve body; 2. a connecting column; 3. a rotating rod; 4. a turntable; 5. a valve plate; 6. a sealing gasket; 7. a limit component; 70. a cross clip; 71. a spring; 72. a stabilizing hole; 8. a linkage assembly; 80. a round bar; 81. a supporting rod; 82. an arc-shaped groove; 83. an annular groove.

Detailed Description

As shown in fig. 1-7, the present utility model provides a technical solution: the utility model provides a butterfly valve that sealing washer skew can be prevented, includes butterfly valve body 1, and butterfly valve body 1's surface runs through and is fixed with spliced pole 2, and spliced pole 2 is run through there is bull stick 3, and bull stick 3 rotates with spliced pole 2 to be connected, and bull stick 3 runs through there is valve plate 5, bull stick 3 and valve plate 5 fixed connection, and valve plate 5 sets up in butterfly valve body 1's inside, and valve plate 5 surface is provided with spacing subassembly 7 and interlock subassembly 8, and spacing subassembly 7 includes:

the cross card 70, the cross card 70 runs through the valve plate 5, the cross card 70 is slidably connected with the valve plate 5, a spring 71 is fixed on the surface of the cross card 70, one end of the spring 71, which is far away from the cross card 70, is fixed on the surface of the valve plate 5, a stabilizing hole 72 is formed in the surface of the cross card 70, the sealing gasket 6 is placed in a groove of the valve plate 5 in a replacement manner, so that the clamping groove of the sealing gasket 6 coincides with the position of the cross card 70, at the moment, a person can invert the round rod 80, and then the cross card 70 enters the clamping groove of the sealing gasket 6, so that the sealing gasket 6 is limited, the sealing gasket 6 can be stabilized, and the occurrence of deviation of the sealing gasket 6 in use is prevented;

the linkage assembly 8 comprises a round rod 80, the round rod 80 penetrates through the cross clamp 70, an arc groove 82 is formed in the surface of the round rod 80, an annular groove 83 is formed in the surface of the round rod 80, the arc groove 82 is communicated with the annular groove 83, a supporting rod 81 is fixed on the inner wall of the stabilizing hole 72, one end of the supporting rod 81, which is far away from the cross clamp 70, is slidably connected with the arc groove 82 and the inner wall of the annular groove 83, the surface of the valve plate 5 is attached to one end of the round rod 80, when the sealing gasket 6 is used for a long time, and when the excessive abrasion effect is reduced, a person can replace the sealing gasket 6, at the moment, the round rod 80 can be rotated, the supporting rod 81 slides on the inner wall of the arc groove 82, the supporting rod 81 drives the cross clamp 70 to move outwards, the cross clamp 70 is separated from the clamping groove of the sealing gasket 6, the round rod 80 is continuously rotated, the inner wall of the annular groove 83 is made to abut against the surface of the supporting rod 81, at the moment, the round rod 80 can be sent, and the person can take down the sealing gasket 6;

the top of the rotating rod 3 is fixed with a rotary table 4; the surface of the valve plate 5 is provided with a groove, the inner wall of the groove of the valve plate 5 is clamped with a sealing gasket 6, and meanwhile, the sealing gasket 6 can be further stabilized through the groove of the valve plate 5, so that the sealing gasket 6 is prevented from being deviated due to long-time use of the sealing gasket 6; the surface of the sealing gasket 6 is provided with a clamping groove; the end of the cross card 70 near the gasket 6 is provided in a slope shape, and the clamping groove of the gasket 6 is consistent with the slope shape of the cross card 70.

When the sealing gasket 6 is used for a long time, the excessive effect of wearing and tearing is reduced, personnel can change the sealing gasket 6 at this moment, can rotate round bar 80 this moment, make the butt pole 81 slide on the inner wall of arc groove 82, and then make butt pole 81 outwards drive cross card 70 and remove, and then make cross card 70 break away from the draw-in groove of sealing gasket 6, continue to rotate round bar 80, make butt pole 81 get into annular groove 83, make the inner wall of annular groove 83 contradict with the surface of butt pole 81, can send round bar 80 this moment, can personnel take off sealing gasket 6 this moment, change new sealing gasket 6, place sealing gasket 6 into the recess of valve plate 5, make the draw-in groove of sealing gasket 6 coincide with the position of cross card 70 this moment, and then make cross card 70 get into the draw-in groove of sealing gasket 6, and then carry out spacing to sealing gasket 6, thereby prevent that this sealing gasket 6 from taking place to deflect, can conveniently install and dismantle sealing gasket 6, simultaneously through setting up the recess that can make sealing gasket 6 take place further to shift, sealing gasket 6 can be used for a long time to prevent that sealing gasket 6 from taking place.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims (6)

1. Butterfly valve that sealing washer skew can be prevented, including butterfly valve body (1), its characterized in that: the surface of butterfly valve body (1) runs through and is fixed with spliced pole (2), spliced pole (2) are run through have bull stick (3), bull stick (3) are connected with spliced pole (2) rotation, bull stick (3) are run through have valve plate (5), bull stick (3) and valve plate (5) fixed connection, valve plate (5) set up the inside at butterfly valve body (1), valve plate (5) surface is provided with spacing subassembly (7) and interlock subassembly (8), spacing subassembly (7) include:

the cross-shaped clamp (70), the cross-shaped clamp (70) penetrates through the valve plate (5), the cross-shaped clamp (70) is in sliding connection with the valve plate (5), a spring (71) is fixed on the surface of the cross-shaped clamp (70), one end, far away from the cross-shaped clamp (70), of the spring (71) is fixed on the surface of the valve plate (5), and a stabilizing hole (72) is formed in the surface of the cross-shaped clamp (70).

2. The butterfly valve of claim 1, wherein the seal is prevented from shifting: the linkage assembly (8) comprises a round rod (80), the round rod (80) penetrates through the cross clamp (70), an arc groove (82) is formed in the surface of the round rod (80), an annular groove (83) is formed in the surface of the round rod (80), the arc groove (82) is communicated with the annular groove (83), a supporting rod (81) is fixed on the inner wall of the stabilizing hole (72), one end, far away from the cross clamp (70), of the supporting rod (81) is in sliding connection with the inner wall of the arc groove (82) and the inner wall of the annular groove (83), and the surface of the valve plate (5) is attached to one end of the round rod (80).

3. The butterfly valve of claim 1, wherein the seal is prevented from shifting: the top of the rotating rod (3) is fixed with a rotary table (4).

4. The butterfly valve of claim 1, wherein the seal is prevented from shifting: the surface of the valve plate (5) is provided with a groove, and the inner wall of the groove of the valve plate (5) is clamped with a sealing gasket (6).

5. The butterfly valve of claim 4, wherein the seal is prevented from shifting: the surface of the sealing gasket (6) is provided with a clamping groove.

6. The butterfly valve of claim 4, wherein the seal is prevented from shifting: one end of the cross card (70) close to the sealing gasket (6) is in an inclined plane shape, and the clamping groove of the sealing gasket (6) is consistent with the inclined plane shape of the cross card (70).