CN219432462U

CN219432462U - Self-locking hard sealing butterfly valve

Info

Publication number: CN219432462U
Application number: CN202320103664.5U
Authority: CN
Inventors: 王俊俊
Original assignee: Xi'an Ruihua Qingyi Energy And Environmental Protection Engineering Co ltd
Current assignee: Xi'an Ruihua Qingyi Energy And Environmental Protection Engineering Co ltd
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-07-28
Anticipated expiration: 2033-02-03

Abstract

The utility model relates to the technical field of butterfly valves and discloses a self-locking hard sealing butterfly valve which comprises a shell, wherein a fixing rod is fixedly connected to the middle part of the upper side of the periphery of the shell, clamping grooves which are uniformly distributed are formed in the periphery of the middle part of the top wall of the fixing rod, a connecting shaft is rotatably connected inside the fixing rod, the bottom end of the connecting shaft penetrates through the shell and is fixedly connected with a valve plate, the top end of the connecting shaft penetrates through the top end of the fixing rod, sliding grooves are formed in two sides of the middle part of the connecting shaft, clamping blocks are connected in the sliding grooves in a sliding mode, one ends, far away from each other, of the clamping blocks are clamped in the clamping grooves, and one ends, close to each other, of the clamping blocks are fixedly connected with connecting rods. According to the self-locking device, the connecting rod is put down to enable the clamping block to be clamped into the clamping groove, the clamping groove is arranged at the top end of the fixing rod, the sliding grooves are arranged on two sides of the connecting shaft, and when the clamping block is clamped in the clamping groove, the connecting shaft cannot rotate under the action of the clamping block, so that the self-locking effect is achieved.

Description

Self-locking hard sealing butterfly valve

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a self-locking hard sealing butterfly valve.

Background

The butterfly valve is also called as a flap valve, and the butterfly valve is a valve with a simple structure, wherein a closing member is a disc and rotates around a valve shaft to be opened and closed, so that the butterfly valve can be used for controlling the on-off of low-pressure pipeline media and is often applied to dust-containing cold air or hot air pipelines of ventilation and environmental protection engineering in the industries of chemical industry, building materials, power stations, glass and the like. The butterfly valve is used as a pipeline control device for regulating flow or cutting off a gas medium, and has the advantages of convenience and rapidness in opening and closing, labor saving, small fluid resistance, simple structure, small volume, light weight, good sealing performance under low pressure and the like.

The butterfly valve that current is commonly used often does not have the auto-lock performance, still needs other mechanisms to lock it generally, uses comparatively loaded down with trivial details to current butterfly valve often is difficult for observing the change of valve plate when adjusting the valve plate, and inconvenient staff masters valve plate pivoted angle in real time, thereby is difficult to control the flow size of passing through.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a self-locking hard seal butterfly valve which can form a self-locking effect, is convenient and quick to know the rotation angle of a valve plate and can control the flow more accurately.

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

the utility model provides a but hard seal butterfly valve of auto-lock, includes the shell, shell periphery upside middle part fixedly connected with dead lever, dead lever roof middle part periphery is provided with evenly distributed's draw-in groove, the inside rotation of dead lever is connected with the connecting axle, the connecting axle bottom runs through shell and fixedly connected with valve plate, the connecting axle top runs through the dead lever top all be provided with the spout in connecting axle middle part both sides, equal sliding connection has the fixture block in the spout, the fixture block keeps away from one end mutually and all blocks in the draw-in groove, the fixture block is close to one end mutually and all fixedly connected with connecting rod, connecting rod sliding connection is in the middle part in the connecting axle, the connecting rod top runs through the connecting axle top, connecting axle periphery middle part upside rotates and is connected with the disc, equal fixedly connected with support column all around the disc diapire, equal fixedly connected with in the dead lever top in the support column bottom, the disc roof is provided with evenly distributed's scale, connecting axle periphery front side fixedly connected with pointer.

As a further description of the above technical solution:

the pointer is arranged on the upper side of the disc and is attached to the disc.

As a further description of the above technical solution:

connecting discs are fixedly connected to two ends of the shell, and uniformly distributed connecting holes are formed in the periphery of the middle of each connecting disc.

As a further description of the above technical solution:

the valve plate is rotationally connected to the inner wall of the shell.

As a further description of the above technical solution:

the periphery of the valve plate is provided with an arc groove, and a sealing ring is fixedly connected in the arc groove.

As a further description of the above technical solution:

the periphery of the top end of the connecting shaft is fixedly connected with a rotating wheel.

As a further description of the above technical solution:

and the top end of the connecting rod is fixedly connected with a pull ring.

The utility model has the following beneficial effects:

1. when the valve plate rotates to a proper angle, the connecting rod is put down, so that the clamping block is clamped into the clamping groove, and the clamping groove is arranged at the top end of the fixed rod, the sliding grooves are arranged at two sides of the connecting shaft, and when the clamping block is clamped in the clamping groove, the connecting shaft cannot rotate under the action of the clamping block, so that a self-locking effect is formed.

2. According to the utility model, the pointer disc can be driven to rotate by rotating the connecting shaft, and because the disc is limited and fixed by the supporting column, when the pointer is driven to rotate along with the connecting shaft, the scale indicated by the pointer on the disc is the angle of the connecting shaft for driving the valve plate to rotate, so that the rotating angle of the valve plate can be conveniently and rapidly known, and the flow can be more accurately controlled.

Drawings

FIG. 1 is a front perspective view of a self-locking, hard seal butterfly valve in accordance with the present utility model;

FIG. 2 is a front cross-sectional view of a self-locking, hard seal butterfly valve in accordance with the present utility model;

FIG. 3 is a top cross-sectional view of a self-locking, hard seal butterfly valve in accordance with the present utility model.

Legend description:

1. a housing; 2. a connecting disc; 3. a support column; 4. a scale; 5. a pointer; 6. a pull ring; 7. a connecting rod; 8. a rotating wheel; 9. a connecting shaft; 10. a disc; 11. a clamping groove; 12. a fixed rod; 13. a connection hole; 14. a clamping block; 15. a chute; 16. a seal ring; 17. an arc groove; 18. a valve plate.

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.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, one embodiment provided by the present utility model is: the self-locking hard sealing butterfly valve comprises a shell 1, wherein a fixing rod 12 is fixedly connected to the middle part of the upper side of the periphery of the shell 1, clamping grooves 11 which are uniformly distributed are formed in the periphery of the middle part of the top wall of the fixing rod 12, clamping blocks 14 can be limited through the clamping grooves 11, and a connecting shaft 9 is rotatably connected inside the fixing rod 12; the bottom end of the connecting shaft 9 penetrates through the shell 1 and is fixedly connected with the valve plate 18, the valve plate 18 can be driven to rotate by rotating the connecting shaft 9, sliding grooves 15 are formed in two sides of the middle of the connecting shaft 9, which penetrate through the top end of the fixed rod 12, the sliding grooves 15 are internally and slidably connected with clamping blocks 14, one ends, far away from each other, of the clamping blocks 14 are clamped in the clamping grooves 11, and as the clamping grooves 11 are formed in the top end of the fixed rod 12, the sliding grooves 15 are formed in two sides of the connecting shaft 9;

when the clamping block 14 is clamped in the clamping groove 11, the connecting shaft 9 cannot rotate under the action of the clamping block 14, so that self-locking is formed, connecting rods 7 are fixedly connected to the ends, close to each other, of the clamping block 14, the connecting rods 7 are slidably connected to the middle part in the connecting shaft 9, the top ends of the connecting rods 7 penetrate through the top ends of the connecting shafts 9, and a worker can conveniently adjust the clamping state between the clamping block 14 and the clamping groove 11 by pulling the connecting rods 7;

the connecting axle 9 periphery middle part upside rotates and is connected with disc 10, equal fixedly connected with support column 3 all around the disc 10 diapire, equal fixedly connected with in dead lever 12 top of support column 3 bottom, disc 10 roof is provided with evenly distributed's scale 4, connecting axle 9 periphery front side fixedly connected with pointer 5, in the in-process of adjusting valve plate 18 angle, can drive pointer 5 through rotating connecting axle 9 and rotate in step, thereby make pointer 5 rotate on disc 10, because disc 10 passes through the support column 3 to be fixed on the top of dead lever 12, thereby carry out spacing fixed to disc 10, when connecting axle 9 drives pointer 5 rotation, scale 4 that pointer 5 indicated on disc 10 is the angle that connecting axle 9 drove valve plate 18 pivoted, thereby make things convenient for the staff to know valve plate 18 pivoted angle fast, and then the size of more accurate control flow.

The pointer 5 is arranged on the upper side of the disc 10 and is attached to the disc 10, so that a worker can know the angle of the valve plate 18 through the scale 4 pointed by the pointer 5, and the error of an observed value caused by a visual angle problem is reduced, the two ends of the shell 1 are fixedly connected with the connecting discs 2, the periphery of the middle part of the connecting discs 2 is provided with uniformly distributed connecting holes 13, the connecting discs 2 at the two ends of the shell 1 are attached to a pipeline, and then bolts are screwed into the connecting holes 13 on the connecting discs 2, so that the butterfly valve is convenient to fix;

the valve plate 18 rotates to be connected at shell 1 inner wall, through valve plate 18 at the inside rotation of shell 1, thereby can adjust the size through valve flow, valve plate 18 periphery is provided with arc groove 17, fixedly connected with sealing washer 16 in the arc groove 17, through being provided with sealing washer 16, form sealedly that can be better when the valve is totally closed, connecting axle 9 top periphery fixedly connected with runner 8, through being provided with runner 8, thereby more make things convenient for the staff to rotate connecting axle 9, and then adjust the rotation of valve plate 18, connecting rod 7 top fixedly connected with pull ring 6, thereby make things convenient for the staff to adjust connecting rod 7 through pull ring 6 through being provided with pull ring 6.

In the in-service use, the staff upwards lifts connecting rod 7 through pulling pull ring 6, drive connecting rod 7 bottom fixed fixture block 14 upwards move in spout 15, make fixture block 14 break away from draw-in groove 11, afterwards, rotate runner 8 and drive connecting axle 9 and rotate, thereby drive valve plate 18 of connecting axle 9 bottom and rotate, thereby reach the effect of adjustment through valve flow size, when valve plate 18 rotates suitable angle, put down connecting rod 7, make fixture block 14 card go into draw-in groove 11, because draw-in groove 11 sets up the top at dead lever 12, spout 15 sets up in the both sides of connecting axle 9, when fixture block 14 in draw-in groove 11 during the card, connecting axle 9 can't rotate under the effect of fixture block 14, thereby form the effect of auto-lock, in the in-process of adjusting valve plate 18 angle, can drive pointer 5 through rotating connecting axle 9, thereby make pointer 5 rotate on disc 10, because disc 10 passes through support column 3 to be fixed on the top of dead lever 12, thereby carry out spacing fixedly to disc 10, when pointer 5 rotates, make pointer 5 drive in disc 10, the pointed 4 promptly, the valve plate 9 rotates at the top of connecting axle 9, thereby the effect of two-speed-up rotation of connecting axle 9 is realized for the valve plate 18, thereby the high-speed rotation is realized for the quick-speed joint plate 2, and the speed is realized through the valve plate 2, and the accurate control plate 2 is realized through the big hole of the control of the connecting plate, and the speed is convenient for the following, the control of the valve plate is realized.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a but self-locking's hard seal butterfly valve, includes shell (1), its characterized in that: the middle part of the upper side of the periphery of the shell (1) is fixedly connected with a fixed rod (12), clamping grooves (11) which are uniformly distributed are formed in the periphery of the middle part of the top wall of the fixed rod (12), and a connecting shaft (9) is rotationally connected inside the fixed rod (12); the bottom end of the connecting shaft (9) penetrates through the shell (1) and is fixedly connected with a valve plate (18), the top end of the connecting shaft (9) penetrates through the top end of the fixing rod (12), sliding grooves (15) are formed in two sides of the middle of the connecting shaft (9), and clamping blocks (14) are slidably connected in the sliding grooves (15); the clamping blocks (14) are clamped in the clamping grooves (11) at the ends far away from each other, connecting rods (7) are fixedly connected to the ends, close to each other, of the clamping blocks (14), and the connecting rods (7) are slidably connected to the middle part in the connecting shaft (9); the top end of the connecting rod (7) penetrates through the top end of the connecting shaft (9), a disc (10) is rotatably connected to the upper side of the middle part of the periphery of the connecting shaft (9), and support columns (3) are fixedly connected to the periphery of the bottom wall of the disc (10); the utility model discloses a fixed rod, including support column (3), connecting axle (9), fixed rod (12), disc (10) roof, connecting axle (9) periphery front side, fixed connection is in dead lever (12) top bottom, disc (10) roof is provided with evenly distributed's scale (4), connecting axle (9) periphery front side fixedly connected with pointer (5).

2. The self-locking, hard seal butterfly valve of claim 1, wherein: the pointer (5) is arranged on the upper side of the disc (10) and is attached to the disc (10).

3. The self-locking, hard seal butterfly valve of claim 1, wherein: connecting discs (2) are fixedly connected to two ends of the shell (1), and uniformly distributed connecting holes (13) are formed in the periphery of the middle of each connecting disc (2).

4. The self-locking, hard seal butterfly valve of claim 1, wherein: the valve plate (18) is rotatably connected to the inner wall of the housing (1).

5. The self-locking, hard seal butterfly valve of claim 1, wherein: the periphery of the valve plate (18) is provided with an arc groove (17), and a sealing ring (16) is fixedly connected in the arc groove (17).

6. The self-locking, hard seal butterfly valve of claim 1, wherein: the periphery of the top end of the connecting shaft (9) is fixedly connected with a rotating wheel (8).

7. The self-locking, hard seal butterfly valve of claim 1, wherein: the top end of the connecting rod (7) is fixedly connected with a pull ring (6).