CN210344318U

CN210344318U - Side leakage prevention sanitary-grade butterfly valve with partition function

Info

Publication number: CN210344318U
Application number: CN201921142931.XU
Authority: CN
Inventors: 舒智卫; 周绍利; 周绍洪; 王国富
Original assignee: Wenzhou Santhai Pipe Fitting Co ltd
Current assignee: Wenzhou Santhai Pipe Fitting Co ltd
Priority date: 2019-07-20
Filing date: 2019-07-20
Publication date: 2020-04-17
Anticipated expiration: 2029-07-20

Abstract

The utility model discloses a prevent edge leakage sanitary-grade butterfly valve with cut off function, including valve pipe, commentaries on classics handle and video disc, the inside central line position department of valve pipe is provided with the video disc, and the central point of video disc puts the department and inlays and be equipped with the stop collar, the inboard sliding connection in top of stop collar has the gag lever post, and the gag lever post passes through the connecting rod and changes the welding, extension spring and valve pipe elastic connection are passed through to the bottom of connecting rod. The utility model discloses in, rotate through rotating the linkage connecting rod, the edge of a plurality of spacing grooves that its low side was seted up pushes away the turning block, make the turning block carry out rotation to inside around the pivot of one end, because the effect of extrusion spring, the turning block can the joint go into next spacing groove, restrict the position of connecting rod, when the video disc in inside received the natural impact of water, the spacing groove acted on the turning block, the turning block at this moment is because the marginal position's of movable groove restriction, keep stable in structure, thereby make the position of video disc remain stable.

Description

Side leakage prevention sanitary-grade butterfly valve with partition function

Technical Field

The utility model relates to the technical field of valves, especially, relate to a prevent side leakage sanitary-grade butterfly valve with cut off function.

Background

The butterfly valve is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline medium, i.e. a valve whose closing member is a disk and can be rotated around the valve shaft to open and close, and can be used for controlling the flow of various fluids of air, water, steam, various corrosive media, slurry, oil product, liquid metal and radioactive medium, etc.. 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.

However, the existing butterfly valve still has the defects in the using process; most of the existing butterfly valves adopt a pressing clamping type handle to limit the position of a circular disc, but the adjusting angle is limited, and the control capability on the internal flow is weak; the existing butterfly valve needs to be screwed by bolts and other structures when the inner disc rubber ring is replaced, so that the operation is complex and time-consuming during the dismounting and the installation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the adjusting angle of the existing butterfly valve is limited and the inner disc is inconvenient to disassemble and install, the side leakage prevention sanitary-grade butterfly valve with the partition function is provided.

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

the utility model provides a prevent side leakage sanitary-grade butterfly valve with cut off function, includes the valve pipe, changes handle and video disc, the inside central line position department of valve pipe is provided with the video disc, and the central point of video disc puts the department and inlays and be equipped with the stop collar, the inboard sliding connection in top of stop collar has the gag lever post, and the gag lever post passes through the connecting rod and changes the welding, extension spring and valve pipe elastic connection are passed through to the bottom of connecting rod.

As a further description of the above technical solution:

a plurality of limiting strips are welded on the outer wall of the limiting rod, and the limiting strips are in annular array relative to the central line of the limiting rod.

As a further description of the above technical solution:

and a sleeve is sleeved outside the connecting rod, and the lower end of the sleeve is welded with the valve pipe.

As a further description of the above technical solution:

a plurality of limiting grooves are formed in the lower end of the connecting rod, the limiting grooves are arranged in a central annular array relative to the connecting rod, and the heights of the vertical ends of the limiting grooves are larger than the vertical height of the rotating block.

As a further description of the above technical solution:

the utility model discloses a sleeve pipe, including sheathed tube, telescopic inside is inlayed and is equipped with a plurality of turning blocks to a plurality of turning blocks are about sheathed tube centre of a circle annular array, the inside inboard of a plurality of turning blocks all is through extrusion spring and sleeve pipe elastic connection, the sheathed tube inside is located the outside of a plurality of turning blocks and has all seted up the activity groove.

As a further description of the above technical solution:

the horizontal cross section of the limiting groove is of a right-angled triangle structure, and one of the right-angled sides and the bevel edge are close to the connecting rod.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, when rotating through rotating the linkage connecting rod, the edge of a plurality of spacing grooves that its low side was seted up pushes away the turning block, make the turning block carry out rotation to inside around the pivot of one end, because the effect of extrusion spring, make the turning block can the joint go into next spacing groove, restrict the position of connecting rod, because the horizontal cross section of spacing groove is the right angled triangle structure, one of them right-angle side is contradicted with the edge of turning block, when the video disc in inside receives the natural impact of water, the connecting rod this moment has the trend of reversal, the spacing groove acts on the turning block, the turning block this moment is because the restriction of the border position of activity groove, keep stable in structure, thereby make the position of video disc remain stable.

2. The utility model discloses in, through will changeing upwards carrying, make the connecting rod carry the gag lever post together and carry out ascending motion, when the gag lever post is taken out from the stop collar of the vertical central line position of video disc, the video disc at this moment loses the restriction promptly, can follow the valve pipe and get rid of the operation, after changing the completion rubber circle, place back primary position department with the video disc, because extension spring's effect, make the gag lever post realize the joint effect to the stop collar, thereby continue to carry out the control to the video disc position, with this convenient change to the video disc has been realized, and the operation is simple.

Drawings

Fig. 1 is a schematic front view of a side-leakage-preventing sanitary butterfly valve with a partition function according to the present invention;

fig. 2 is a schematic side view, partially cut away, showing the structure of the side-view sanitary butterfly valve with a partition function according to the present invention;

FIG. 3 shows the present invention

The connecting pipe of the side-leakage-preventing sanitary-grade butterfly valve with the partition function is in a horizontal sectional structural schematic view.

Illustration of the drawings:

1. a valve tube; 2. turning a handle; 3. a connecting rod; 4. a sleeve; 5. a limiting rod; 6. a disc; 7. a limiting sleeve; 8. a limiting strip; 9. an extension spring; 10. rotating the block; 11. a compression spring; 12. a limiting groove; 13. a movable groove.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a prevent edge leakage sanitary-grade butterfly valve with cut off function, including valve pipe 1, change 2 and video disc 6, the inside central line position department of valve pipe 1 is provided with video disc 6, be provided with the rubber circle around the video disc 6, and the central point of video disc 6 puts the department and inlays and be equipped with stop collar 7, the top central point department of putting of stop collar 7 sets up flutedly, be used for cup jointing with gag lever post 5, the inboard sliding connection in top of stop collar 7 has gag lever post 5, and gag lever post 5 passes through connecting rod 3 and changes 2 welding, extension spring 9 and valve pipe 1 elastic connection are passed through to the bottom of connecting rod 3.

Specifically, as shown in fig. 2, a plurality of limiting strips 8 are welded on the outer wall of the limiting rod 5, and the limiting strips 8 are annularly arrayed with respect to the central line of the limiting rod 5, so that the disk 6 can rotate horizontally when the rotating handle 2 rotates.

Specifically, as shown in fig. 2 and 3, sleeve pipe 4 has been cup jointed to connecting rod 3's outside, and sleeve pipe 4's low side and valve pipe 1 welding, sleeve pipe 4's inside is inlayed and is equipped with a plurality of turning blocks 10, turning block 10 is the right trapezoid structure, and two right-angle sides of turning block 10 all inlay the inside of locating sleeve pipe 4, one of them right angle turning goes out to rotate and is connected with the round pin axle, and a plurality of turning blocks 10 are about sleeve pipe 4's centre of a circle annular array, the inside inboard of a plurality of turning blocks 10 all is through extrusion spring 11 and sleeve pipe 4 elastic connection, movable groove 13 has all been seted up in the outside that sleeve pipe 4's inside is located a plurality of turning blocks 10, movable groove 13 is close to the sideline and the laminating of round.

Specifically, as shown in fig. 2 and 3, a plurality of limiting grooves 12 are formed at the lower end of the connecting rod 3, the plurality of limiting grooves 12 are arranged in a central annular array of the connecting rod 3, and the vertical heights of the plurality of limiting grooves 12 are all greater than the vertical height of the rotating block 10, so that the connecting rod 3 can move axially, the horizontal cross section of each limiting groove 12 is of a right-angled triangle structure, and one right-angled edge and one oblique edge are close to the connecting rod 3.

The working principle is as follows: when the butterfly valve is used, when the size of the butterfly valve is adjusted, the rotating handle 2 is rotated, the rotating handle 2 drives the welded connecting rod 3, so that the connecting rod 3 rotates, when the connecting rod 3 rotates, the edges of a plurality of limiting grooves 12 formed in the lower end of the connecting rod push the rotating block 10, so that the rotating block 10 rotates inwards around the rotating shaft at one end, due to the action of the extrusion spring 11, the rotating block 10 can be clamped into the next limiting groove 12 to limit the position of the connecting rod 3, the angle of the disc 6 at the moment is changed to a certain extent, due to the fact that the horizontal section of the limiting groove 12 is in a right-angled triangle structure, one right-angled edge of the rotating block 10 is abutted against the edge of the rotating block 10, when the disc 6 at the inner part is naturally impacted by water, the connecting rod 3 at the moment has a tendency of inversion, the limiting groove 12 acts on the rotating block 10, and the rotating block 10 at the moment is limited by the edge position of, the holding structure is stable, so that the position of the disc 6 is kept stable; when the rubber ring on the disc 6 needs to be replaced, the rotating handle 2 is lifted upwards, the connecting rod 3 and the limiting rod 5 move upwards together, when the limiting rod 5 is pulled out from the limiting sleeve 7 at the vertical central line position of the disc 6, the disc 6 at the moment loses the limitation, the disc 6 can be removed from the valve pipe 1, after the rubber ring is replaced, the disc 6 is placed back to the original position, due to the action of the stretching spring 9, the limiting rod 5 achieves the clamping effect on the limiting sleeve 7, and the control on the position of the disc 6 is continued, so that the disc 6 is conveniently replaced, and the operation is simple.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a prevent side leakage sanitary-grade butterfly valve with cut off function, includes valve pipe (1), changes (2) and video disc (6), its characterized in that, the inside center line position department of valve pipe (1) is provided with video disc (6), and the central point of video disc (6) puts the department and inlays and be equipped with stop collar (7), the inboard sliding connection in top of stop collar (7) has gag lever post (5), and gag lever post (5) pass through connecting rod (3) and change (2) welding, extension spring (9) and valve pipe (1) elastic connection are passed through to the bottom of connecting rod (3).

2. The side-leakage-preventing sanitary-grade butterfly valve with the partition function according to claim 1, wherein a plurality of limiting strips (8) are welded on the outer wall of the limiting rod (5), and the limiting strips (8) are annularly arrayed about the central line of the limiting rod (5).

3. The side-leakage-preventing sanitary-grade butterfly valve with the partition function according to claim 1, wherein a sleeve (4) is sleeved outside the connecting rod (3), and the lower end of the sleeve (4) is welded with the valve pipe (1).

4. The side-leakage-preventing sanitary-grade butterfly valve with the partition function according to claim 1, wherein the connecting rod (3) is provided with a plurality of limiting grooves (12) at the lower end, the limiting grooves (12) are arranged in a central annular array relative to the connecting rod (3), and the heights of the vertical ends of the limiting grooves (12) are all greater than the vertical height of the rotating block (10).

5. The side-leakage-preventing sanitary-grade butterfly valve with the partition function according to claim 3, wherein a plurality of rotating blocks (10) are embedded in the sleeve (4), the rotating blocks (10) are arranged in a circular array around the center of the sleeve (4), the inner sides of the rotating blocks (10) are elastically connected with the sleeve (4) through extrusion springs (11), and movable grooves (13) are formed in the sleeve (4) and positioned on the outer sides of the rotating blocks (10).

6. The side-leakage-preventing sanitary butterfly valve with the partition function according to claim 4, wherein the horizontal cross section of the limiting groove (12) is in a right-angled triangle structure, and one of the right-angled side and the oblique side is close to the connecting rod (3).