CN214367837U

CN214367837U - Butterfly valve with good stability

Info

Publication number: CN214367837U
Application number: CN202120570063.6U
Authority: CN
Inventors: 黄双福
Original assignee: Yangyi Valve Group Co Ltd
Current assignee: Yangyi Valve Group Co Ltd
Priority date: 2021-03-21
Filing date: 2021-03-21
Publication date: 2021-10-08
Anticipated expiration: 2031-03-21

Abstract

The utility model discloses a butterfly valve that stability is good, concretely relates to intercommunication valve technical field, including connecting cylinder and valve section of thick bamboo, the top fixedly connected with connecting cylinder of valve section of thick bamboo, the top of connecting cylinder is provided with adjusts the structure, the inside of connecting cylinder is provided with stable structure. The utility model discloses a be provided with the turn trough, the threaded sleeve, the fly leaf, buffer spring, standing groove and threaded rod, when installing this butterfly valve, install the valve body between the body after, the threaded rod that rotates the threaded sleeve and promote the bottom stretches out, the fly leaf that the threaded rod promoted the bottom again and the outside standing groove of fly leaf descend, back on the atress plane until the standing groove laminating, alright support with the valve section of thick bamboo on top, and when the valve section of thick bamboo takes place to vibrate, the buffer spring of bottom cushions the valve section of thick bamboo through threaded sleeve and threaded rod, prevent that the vibration from leading to taking place serious friction between valve section of thick bamboo and the body and lead to the problem of wearing and tearing, realized wholly supporting the valve body, it is impaired to prevent that the valve body junction.

Description

Butterfly valve with good stability

Technical Field

The utility model relates to a intercommunication valve technical field specifically is a butterfly valve that stability is good.

Background

The butterfly valve is a very common valve body, and is often used in household and industrial production because of its simple structure, but the butterfly valve also has more obvious defects, for example, long-term use can lead to its stability to reduce, leads to the problem that inside leakproofness reduces, needs a butterfly valve that stability is higher now.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:

(1) the traditional butterfly valve is easy to generate the phenomena of false touch and false operation in use, and the working effect of the traditional butterfly valve is influenced;

(2) in the traditional butterfly valve, after long-time use, the internal part structure is easily abraded, so that the stability of the valve body is reduced, and the work is influenced;

(3) traditional butterfly valve can't guarantee its stability when the installation, and the vibration that unsettled use produced can lead to junction and body friction impaired.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a butterfly valve that stability is good to propose among the above-mentioned background art that in use easily takes place the phenomenon that the mistake touched and the maloperation, influence its working effect's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a butterfly valve with good stability comprises a connecting cylinder and a valve cylinder, wherein the top end of the valve cylinder is fixedly connected with the connecting cylinder, the top end of the connecting cylinder is provided with an adjusting structure, a stabilizing structure is arranged inside the connecting cylinder, the bottom end inside the valve cylinder is movably connected with a valve rod, two sides of the valve rod are respectively and fixedly connected with a group of valve plates, the outer parts of the valve plates are fixedly connected with sealing rings, the sealing rings are movably connected with the valve cylinder, the valve rod penetrates through the bottom end of the connecting cylinder and extends to the inner part of the connecting cylinder, fixing wheels are fixedly connected with the outer parts of the fixing wheels, sealing gaskets are movably connected with the connecting cylinder, and a supporting structure is arranged at the bottom end of the valve cylinder;

the supporting structure comprises a rotary groove, the rotary groove is fixedly connected to the bottom end of the valve barrel, a threaded sleeve is movably connected to the inside of the rotary groove, a threaded rod is movably connected to the inside of the threaded sleeve, a movable plate is fixedly connected to the bottom end of the threaded rod, a placing groove is movably connected to the outside of the movable plate, multiple groups of buffer springs are fixedly connected to the bottom end of the movable plate at equal intervals, and the buffer springs are fixedly connected with the placing groove.

Preferably, the central line of the rotary groove and the central line of the valve cylinder are on the same vertical plane, and the central line of the threaded rod and the central line of the movable plate are on the same vertical plane.

Preferably, adjust the structure and constitute by dead slot, tooth's socket, connecting rod, turning handle, gear and spacing chamber, spacing chamber fixed connection is on the top of connecting cylinder, the inside in spacing chamber is provided with the dead slot, dead slot and valve rod fixed connection, the inside top of dead slot is inlayed and is had the tooth's socket, the inside swing joint of dead slot has the gear, gear and tooth's socket swing joint, the top fixedly connected with connecting rod of gear, the connecting rod runs through the top in the top of dead slot and spacing chamber and extends to the outside fixedly connected with turning handle in spacing chamber.

Preferably, the central line of the gear and the central line of the connecting rod are on the same vertical plane, and the diameter of the gear is smaller than that of the inside of the tooth groove.

Preferably, stable structure comprises runner, ball, recess, a stable section of thick bamboo and annular, a stable section of thick bamboo fixed connection is on the inside top of connecting cylinder, runner fixed connection is on the outside top of valve rod, the equidistant multiunit recess of inlaying in outside of runner, it has the annular to inlay on the inside wall of a stable section of thick bamboo, the inside swing joint of recess has the ball, ball and annular swing joint.

Preferably, the centre line of the rotating wheel is on the same vertical plane with the centre line of the valve rod, and the diameter of the rotating wheel is smaller than that of the inside of the stabilizing barrel.

Compared with the prior art, the beneficial effects of the utility model are that: the butterfly valve with good stability not only realizes that the valve body cannot be started by false touch and false operation, realizes the guarantee of long-time working stability, but also realizes the improvement of the integral stability after installation;

(1) by arranging the rotary groove, the threaded sleeve, the movable plate, the buffer spring, the placing groove and the threaded rod, when the butterfly valve is installed, after the valve body is installed between the valve bodies, the rotary threaded sleeve pushes the threaded rod at the bottom end to stretch out, the threaded rod pushes the movable plate at the bottom end and the placing groove outside the movable plate to descend until the placing groove is attached to a stress plane, the valve barrel at the top end can be supported, when the valve barrel vibrates, the buffer spring at the bottom end buffers the valve barrel through the threaded sleeve and the threaded rod, the problem that abrasion is caused by serious friction between the valve barrel and the valve body due to vibration is solved, the whole valve body is supported, and the joint of the valve body is prevented from being damaged;

(2) by arranging the empty slot, the tooth grooves, the connecting rod, the rotating handle, the gear and the limiting cavity, when the butterfly valve is used and the valve rod at the bottom end and an external valve block need to be rotated to be opened and closed, the rotating handle can be lifted upwards to drive the gear at the bottom end to rise through the connecting rod and be clamped with the tooth grooves, so that the rotating handle can be rotated to drive the valve rod and the valve block at the bottom end to rotate, after the adjustment is completed, the rotating handle gear is loosened to fall back to the bottom end in the empty slot, and the rotating handle rotates to be incapable of driving the valve rod and the valve block at the bottom end to rotate when mistaken touch and misoperation occur, so that the phenomenon that the mistaken touch and the misoperation influence on work is prevented;

(3) through being provided with the runner, the ball, a recess, stabilize a section of thick bamboo and annular, when using this butterfly valve, when the valve block that the rotary valve rod drove the bottom rotated and adjusts, the motion of the outside runner of valve rod and ball at the inside annular internal stability of a section of thick bamboo of stabilizing, guarantee the rotational stability of valve rod, thereby avoided long-time in-service valve rod to rotate the valve block rotational stability that unstable influence bottom, cause the serious wearing and tearing of sealing washer and sealed pad to make the leakproofness reduce, the stability in-service that has realized improving this butterfly valve long-time use easily takes place the phenomenon of mistake touch and maloperation, influence its working effect.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the empty groove in plan view;

fig. 3 is an enlarged partial sectional view of the utility model at a in fig. 1;

fig. 4 is a schematic view of the bottom view structure of the stabilizing cylinder of the present invention.

In the figure: 1. an adjustment structure; 101. an empty groove; 102. a tooth socket; 103. a connecting rod; 104. a handle is rotated; 105. a gear; 106. a limiting cavity; 2. stabilizing the structure; 201. a rotating wheel; 202. a ball bearing; 203. a groove; 204. a stabilizing cylinder; 205. a ring groove; 3. a connecting cylinder; 4. a valve stem; 5. a valve barrel; 6. a valve plate; 7. a seal ring; 8. rotating the groove; 9. a threaded sleeve; 10. a movable plate; 11. a buffer spring; 12. a placement groove; 13. a threaded rod; 14. a gasket; 15. and (4) fixing the wheel.

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

Example 1: referring to fig. 1-4, a butterfly valve with good stability includes a connecting cylinder 3 and a valve cylinder 5, the top end of the valve cylinder 5 is fixedly connected with the connecting cylinder 3, the top end of the connecting cylinder 3 is provided with an adjusting structure 1, the inside of the connecting cylinder 3 is provided with a stabilizing structure 2, the bottom end inside the valve cylinder 5 is movably connected with a valve rod 4, two sides of the valve rod 4 are respectively and fixedly connected with a set of valve plates 6, the outer portions of the valve plates 6 are fixedly connected with a sealing ring 7, the sealing ring 7 is movably connected with the valve cylinder 5, the valve rod 4 penetrates through the bottom end of the connecting cylinder 3 and extends to the inside of the connecting cylinder 3 and is fixedly connected with a fixed wheel 15, the outer portion of the fixed wheel 15 is fixedly connected with a sealing gasket 14, the sealing gasket 14 is movably connected with the connecting cylinder 3, and the bottom end of the valve cylinder 5 is provided with a supporting structure;

referring to fig. 1-4, the butterfly valve with good stability further comprises a supporting structure, the supporting structure comprises a rotary groove 8, the rotary groove 8 is fixedly connected to the bottom end of the valve cylinder 5, a threaded sleeve 9 is movably connected inside the rotary groove 8, a threaded rod 13 is movably connected inside the threaded sleeve 9, a movable plate 10 is fixedly connected to the bottom end of the threaded rod 13, a placing groove 12 is movably connected to the outside of the movable plate 10, a plurality of groups of buffer springs 11 are fixedly connected to the bottom end of the movable plate 10 at equal intervals, and the buffer springs 11 are fixedly connected to the placing groove 12;

the central line of the rotary groove 8 and the central line of the valve cylinder 5 are on the same vertical plane, and the central line of the threaded rod 13 and the central line of the movable plate 10 are on the same vertical plane;

specifically, as shown in fig. 1, when installing this butterfly valve, install the valve body between the body after, it stretches out to rotate threaded sleeve 9 and promote the threaded rod 13 of bottom, threaded rod 13 promotes fly leaf 10 and the outside standing groove 12 of fly leaf 10 decline of bottom again, until standing groove 12 laminating back on the stress plane, alright support with the valve section of thick bamboo 5 on top, and when valve section of thick bamboo 5 took place to vibrate, buffer spring 11 of bottom cushions valve section of thick bamboo 5 through threaded sleeve 9 and threaded rod 13, prevent that the vibration from leading to taking place the problem that serious friction leads to wearing and tearing between valve section of thick bamboo 5 and the body, realized wholly supporting the valve body, prevent that the valve body junction is impaired.

Example 2: the adjusting structure 1 comprises an empty groove 101, a tooth groove 102, a connecting rod 103, a rotating handle 104, a gear 105 and a limiting cavity 106, the limiting cavity 106 is fixedly connected to the top end of the connecting cylinder 3, the empty groove 101 is arranged inside the limiting cavity 106, the empty groove 101 is fixedly connected with the valve rod 4, the tooth groove 102 is inlaid in the top end inside the empty groove 101, the gear 105 is movably connected with the tooth groove 102, the connecting rod 103 is fixedly connected to the top end of the gear 105, and the connecting rod 103 penetrates through the top end of the empty groove 101 and the top end of the limiting cavity 106 and extends to the outside of the limiting cavity 106 to be fixedly connected with the rotating handle 104;

the central line of the gear 105 and the central line of the connecting rod 103 are on the same vertical plane, and the diameter of the gear 105 is smaller than the diameter of the inner part of the tooth groove 102;

specifically, as shown in fig. 1 and 2, when the butterfly valve is used, the valve rod 4 at the bottom end and the external valve plate 6 need to be rotated for opening and closing, the rotating handle 104 can be lifted upwards to drive the gear 105 at the bottom end to rise through the connecting rod 103 and be clamped with the tooth groove 102, and the valve rod 4 and the valve plate 6 at the bottom end can be driven by the rotating handle 104 to rotate, after the adjustment is completed, the gear 105 of the rotating handle 104 is loosened to fall back to the bottom end inside the hollow groove 101, and the rotating handle 104 rotates and cannot drive the valve rod 4 and the valve plate 6 at the bottom end to rotate when the mistaken touch and the misoperation occur, so that the mistaken touch and misoperation prevention work is realized.

Example 3: the stabilizing structure 2 consists of a rotating wheel 201, a ball 202, grooves 203, a stabilizing cylinder 204 and ring grooves 205, the stabilizing cylinder 204 is fixedly connected to the top end inside the connecting cylinder 3, the rotating wheel 201 is fixedly connected to the top end outside the valve rod 4, a plurality of groups of grooves 203 are embedded in the outside of the rotating wheel 201 at equal intervals, the ring grooves 205 are embedded in the inner side wall of the stabilizing cylinder 204, the ball 202 is movably connected inside the grooves 203, and the ball 202 is movably connected with the ring grooves 205;

the central line of the rotating wheel 201 and the central line of the valve rod 4 are on the same vertical plane, and the diameter of the rotating wheel 201 is smaller than that of the inside of the stabilizing cylinder 204;

specifically, as shown in fig. 1, fig. 3 and fig. 4, when the butterfly valve is used, when the rotary valve rod 4 rotates to drive the valve plate 6 at the bottom end to rotate for adjustment, the rotary wheel 201 and the ball 202 outside the valve rod 4 stably move in the annular groove 205 inside the stabilizing cylinder 204, so that the rotation stability of the valve rod 4 is ensured, thereby avoiding the phenomenon that the rotation stability of the valve plate 6 at the bottom end is influenced by the unstable rotation of the valve rod 4 in long-time use, causing the serious abrasion of the seal ring 7 and the seal gasket 14 to reduce the sealing performance, and realizing the phenomenon that the valve plate is easily touched by mistake and operated by mistake in use to improve the stability of the butterfly valve in long-time use, and influencing the working effect of the butterfly valve.

The working principle is as follows: when the utility model is used, firstly, when the butterfly valve is installed, after the valve body is installed between the pipe bodies, the threaded rod 13 at the bottom end is pushed to extend by rotating the threaded sleeve 9, the movable plate 10 at the bottom end and the placing groove 12 outside the movable plate 10 are pushed by the threaded rod 13 to descend, and the valve barrel 5 at the top end can be supported until the placing groove 12 is attached to a stress plane, and when the valve barrel 5 vibrates, the buffer spring 11 at the bottom end buffers the valve barrel 5 through the threaded sleeve 9 and the threaded rod 13, so that the problem of abrasion caused by serious friction between the valve barrel 5 and the pipe body due to vibration is prevented, the whole valve body is supported, and the joint of the valve body is prevented from being damaged; when the butterfly valve is used, when the valve rod 4 at the bottom end and the external valve plate 6 need to be rotated for adjustment and opening, the rotating handle 104 can be lifted upwards to drive the gear 105 at the bottom end to rise through the connecting rod 103 and be clamped with the tooth groove 102, and the rotating handle 104 can be rotated to drive the valve rod 4 and the valve plate 6 at the bottom end to rotate; finally, when the butterfly valve is used, when the valve rod 4 is rotated to drive the valve plate 6 at the bottom end to rotate for adjustment, the rotating wheel 201 and the ball 202 outside the valve rod 4 stably move in the annular groove 205 inside the stabilizing cylinder 204 to ensure the rotation stability of the valve rod 4, so that the problem that the valve plate 6 at the bottom end is influenced by the unstable rotation of the valve rod 4 in long-time use to cause the serious abrasion of the sealing ring 7 and the sealing gasket 14 to reduce the sealing performance is avoided, the phenomena of error touch and error operation easily occur in the use process to improve the stability of the butterfly valve in long-time use are solved, and the working effect of the butterfly valve is influenced.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a butterfly valve that stability is good, includes connecting cylinder (3) and valve barrel (5), its characterized in that: the top end of the valve barrel (5) is fixedly connected with a connecting barrel (3), the top end of the connecting barrel (3) is provided with an adjusting structure (1), a stable structure (2) is arranged in the connecting cylinder (3), a valve rod (4) is movably connected at the bottom end in the valve cylinder (5), two sides of the valve rod (4) are respectively and fixedly connected with a group of valve plates (6), the outer parts of the valve plates (6) are fixedly connected with sealing rings (7), the sealing ring (7) is movably connected with the valve barrel (5), the valve rod (4) penetrates through the bottom end of the connecting barrel (3) and extends to the inside of the connecting barrel (3) to be fixedly connected with a fixed wheel (15), a sealing gasket (14) is fixedly connected to the outer part of the fixed wheel (15), the sealing gasket (14) is movably connected with the connecting cylinder (3), and a supporting structure is arranged at the bottom end of the valve cylinder (5);

the supporting structure comprises a rotary groove (8), the rotary groove (8) is fixedly connected to the bottom end of the valve barrel (5), the internal movable connection of the rotary groove (8) is provided with a threaded sleeve (9), the internal movable connection of the threaded sleeve (9) is provided with a threaded rod (13), the bottom end of the threaded rod (13) is fixedly connected with a movable plate (10), the external movable connection of the movable plate (10) is provided with a placing groove (12), the bottom end of the movable plate (10) is fixedly connected with a plurality of groups of buffer springs (11) at equal intervals, and the buffer springs (11) are fixedly connected with the placing groove (12).

2. The butterfly valve with good stability of claim 1, wherein: the central line of the rotary groove (8) and the central line of the valve barrel (5) are on the same vertical plane, and the central line of the threaded rod (13) and the central line of the movable plate (10) are on the same vertical plane.

3. The butterfly valve with good stability of claim 1, wherein: adjust structure (1) and constitute by dead slot (101), tooth's socket (102), connecting rod (103), turning handle (104), gear (105) and spacing chamber (106), spacing chamber (106) fixed connection is on the top of connecting cylinder (3), the inside in spacing chamber (106) is provided with dead slot (101), dead slot (101) and valve rod (4) fixed connection, the inside top in dead slot (101) is inlayed and is had tooth's socket (102), the inside swing joint of dead slot (101) has gear (105), gear (105) and tooth's socket (102) swing joint, the top fixedly connected with connecting rod (103) of gear (105), connecting rod (103) run through the top of dead slot (101) and the top in spacing chamber (106) and extend to outside fixedly connected with turning handle (104) in spacing chamber (106).

4. The butterfly valve with good stability of claim 3, wherein: the central line of the gear (105) and the central line of the connecting rod (103) are on the same vertical plane, and the diameter of the gear (105) is smaller than the diameter of the inside of the tooth groove (102).

5. The butterfly valve with good stability of claim 1, wherein: stabilizing structure (2) comprises runner (201), ball (202), recess (203), a steady section of thick bamboo (204) and annular (205), a steady section of thick bamboo (204) fixed connection is on the inside top of connecting cylinder (3), runner (201) fixed connection is on the outside top of valve rod (4), the equidistant multiunit recess (203) of inlaying in outside of runner (201), it has annular (205) to inlay on the inside wall of a steady section of thick bamboo (204), the inside swing joint of recess (203) has ball (202), ball (202) and annular (205) swing joint.

6. The butterfly valve with good stability of claim 5, wherein: the central line of the rotating wheel (201) and the central line of the valve rod (4) are on the same vertical plane, and the diameter of the rotating wheel (201) is smaller than that of the inside of the stabilizing cylinder (204).