CN218094283U

CN218094283U - Flow-controllable butterfly valve

Info

Publication number: CN218094283U
Application number: CN202222592743.5U
Authority: CN
Inventors: 周永国; 周明; 何斌; 王晓红; 金平锋
Original assignee: Chongqing Puhuisi Valve Manufacturing Co ltd
Current assignee: Chongqing Puhuisi Valve Manufacturing Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2022-12-20
Anticipated expiration: 2032-09-29

Abstract

The utility model relates to a butterfly valve technical field discloses a controllable butterfly valve of flow, including the valve casing, the inside center of valve casing is rotated and is connected with the pivot, the equal fixedly connected with butterfly plate in both sides of pivot, the top center fixedly connected with guard post of valve casing, the top fixedly connected with rotation box of guard post. The utility model discloses in, earlier make the baffler slide out from the inside of butterfly plate through rotating the second valve shaft, make rivers flow through the opening of right side butterfly plate earlier, reduce the resistance that the butterfly plate received, thereby can easily open when wholly rotating the butterfly plate, rethread rotates first valve shaft and makes the pivot drive the butterfly plate and rotate and just can open the butterfly plate, so, the operator just need not very hard when needing to open the butterfly plate, not only save time but also laborsaving made things convenient for the use, in addition can also be through the slip of control baffler and the rotation of butterfly plate, thereby reach the flow to rivers and control.

Description

Flow-controllable butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field especially relates to a controllable butterfly valve of flow.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk.

In prior art, generally can be relatively simple and convenient because of the structure during use, make the operator when the butterfly plate is opened to the rotary valve shaft, because of the butterfly plate receives the resistance of rivers great, lead to the operator very hard just to open the butterfly plate, waste time and energy inconvenient use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a flow controllable butterfly valve.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a controllable butterfly valve of flow, includes the valve casing, the inside center of valve casing is rotated and is connected with the pivot, the equal fixedly connected with butterfly plate in both sides of pivot, the top center fixedly connected with guard post of valve casing, the top fixedly connected with of guard post rotates the box, the top of pivot is run through and is rotated the box and extend to inside, the first toper tooth of top fixedly connected with of pivot, the right side of rotating the box is rotated and is connected with the connecting rod, the left end of connecting rod runs through and rotates the box and extend to inside, the left end fixedly connected with second toper tooth of connecting rod, the meshing is connected between first toper tooth and the second toper tooth, the first valve shaft of right-hand member fixedly connected with of connecting rod, the right side sliding connection of valve casing has the baffler, the left end of baffler runs through the right side butterfly plate and slides to inside, the valve casing is located the both sides fixedly connected with mount of baffler, the center of mount is rotated and is connected with the threaded rod, the left end of baffle runs through the baffler and extends to inside, the right-hand member fixedly connected with second threaded rod of valve shaft.

As a further description of the above technical solution:

both sides of the valve casing are provided with connecting threads.

As a further description of the above technical solution:

the front side center of the rotating box is fixedly connected with a pressure gauge.

As a further description of the above technical solution:

the valve casing is located the equal fixedly connected with locating piece in both sides of protection post.

As a further description of the above technical solution:

the clearance between valve casing and the separation board is filled with first sealing washer.

As a further description of the above technical solution:

the equal fixedly connected with second sealing washer of both ends outer wall of valve casing.

As a further description of the above technical solution:

and the first valve shaft and the second valve shaft are fixedly connected with anti-skid shaft sleeves in a circle outside the valve bodies respectively.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, make the baffler slide out from the inside of butterfly plate through rotating the second valve shaft earlier, make rivers flow through the opening of right side butterfly plate earlier, reduce the resistance that the butterfly plate received, thereby can easily open when wholly rotating the butterfly plate, the rethread rotates first valve shaft and makes the pivot drive the butterfly plate and rotate and just can open the butterfly plate, so, the operator just does not need very hard when needing to open the butterfly plate, not only save time but also laborsaving the use of having made things convenient for, in addition can also be through the slip of control baffler and the rotation of butterfly plate, thereby reach the flow to rivers and control.

2. The utility model discloses in, can make the sealed effect of butterfly valve promote through first sealing washer and second sealing washer, the rethread connecting thread makes the butterfly valve can cry the completion of telling when connecting to can also guarantee the fastness of connecting, the rethread antiskid axle sleeve plays anti-skidding effect to first valve shaft and second valve shaft, makes the valve shaft of operator can not appear when using and has the easy hand-sliding condition of water.

Drawings

Fig. 1 is a schematic perspective view of a flow-controllable butterfly valve proposed by the present invention;

fig. 2 is a right schematic view of a flow-controllable butterfly valve provided by the present invention;

fig. 3 is a schematic structural view of a blocking plate of a flow-controllable butterfly valve provided by the present invention;

FIG. 4 is an enlarged view at A in FIG. 2;

FIG. 5 is an enlarged view at B in FIG. 2;

fig. 6 is the overall schematic diagram of the butterfly valve with controllable flow rate of the present invention.

Illustration of the drawings:

1. a valve housing; 2. a rotating shaft; 3. a butterfly plate; 4. a guard post; 5. rotating the cartridge; 6. a first conical tooth; 7. a connecting rod; 8. a second tapered tooth; 9. a first valve shaft; 10. a barrier plate; 11. a fixed mount; 12. a threaded rod; 13. a second valve shaft; 14. connecting threads; 15. a pressure gauge; 16. positioning a block; 17. a first seal ring; 18. a second seal ring; 19. antiskid axle sleeve.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1-6, the present invention provides an embodiment: a flow-controllable butterfly valve comprises a valve shell 1, wherein the inner center of the valve shell 1 is connected with a rotating shaft 2 in a rotating manner, butterfly plates 3 are fixedly connected to two sides of the rotating shaft 2, a protection column 4 is fixedly connected to the top end center of the valve shell 1, a rotating box 5 is fixedly connected to the top end of the protection column 4, the top end of the rotating shaft 2 penetrates through the rotating box 5 and extends into the rotating box, first conical teeth 6 are fixedly connected to the top end of the rotating shaft 2, a connecting rod 7 is rotatably connected to the right side of the rotating box 5, the left end of the connecting rod 7 penetrates through the rotating box 5 and extends into the rotating box, second conical teeth 8 are fixedly connected to the left end of the connecting rod 7, the first conical teeth 6 are in meshing connection with the second conical teeth 8, a first valve shaft 9 is fixedly connected to the right end of the connecting rod 7, a blocking plate 10 is slidably connected to the right side of the valve shell 1, and the left end of the blocking plate 10 penetrates through the right butterfly plates 3 and slides into the blocking plate, valve casing 1 is located both sides fixedly connected with mount 11 of baffler 10, the center of mount 11 is rotated and is connected with threaded rod 12, the left end of threaded rod 12 runs through baffler 10 and extends to inside, the right-hand member fixedly connected with second valve shaft 13 of threaded rod 12, earlier make baffler 10 slide out from the inside of butterfly plate 3 through rotating second valve shaft 13, make rivers flow through the opening of right side butterfly plate 3 earlier, reduce the resistance that butterfly plate 3 received, thereby can easily open when wholly rotating butterfly plate 3, rethread rotates first valve shaft 9 and makes pivot 2 drive butterfly plate 3 and rotate and just can open butterfly plate 3, thus, the operator just need not very hard when needing to open butterfly plate 3, not only save time but also laborsaving the use of having made things convenient for, in addition can also be through the slip of controlling baffler 10 and the rotation of butterfly plate 3, thereby reach and control the flow to rivers.

Both sides of valve casing 1 all are provided with connecting thread 14, the front side center fixedly connected with manometer 15 of box 5 rotates, valve casing 1 is located the equal fixedly connected with locating piece 16 in both sides of pillar 4, the clearance packing between valve casing 1 and the baffler 10 has first sealing washer 17, the equal fixedly connected with second sealing washer 18 of both ends outer wall of valve casing 1, first valve shaft 9 and the outside a week of second valve shaft 13 fixedly connected with antiskid axle sleeve 19 respectively, can make the sealed effect of butterfly valve promote through first sealing washer 17 and second sealing washer 18, rethread connecting thread 14 makes the completion that the butterfly valve can cry and complain when connecting, and can also guarantee the fastness of connecting, rethread antiskid axle sleeve 19 plays the antiskid effect to first valve shaft 9 and second valve shaft 13, make the operator can not appear the condition that the valve shaft has the easy hand of water when using.

The working principle is as follows: firstly, the blocking plate 10 slides out from the inner part of the butterfly plate 3 by rotating the second valve shaft 13, water flows out from the opening of the right butterfly plate 3, the resistance received by the butterfly plate 3 is reduced, the butterfly plate 3 can be opened easily when the butterfly plate 3 is integrally rotated, and then the butterfly plate 3 can be opened by rotating the first valve shaft 9 to drive the rotating shaft 2 to drive the butterfly plate 3 to rotate, so that the butterfly plate 3 can be opened without great effort when an operator needs to open the butterfly plate 3, time and labor are saved, the butterfly valve is convenient to use, in addition, the sliding of the blocking plate 10 and the rotation of the butterfly plate 3 can be controlled, the flow of the water flow is controlled, meanwhile, the sealing effect of the butterfly valve can be improved by the first sealing ring 17 and the second sealing ring 18, the butterfly valve can cry can be completed when the butterfly valve is connected by the connecting thread 14, the firmness of the connection can be ensured, the first valve shaft 9 and the second valve shaft 13 can be prevented from being slid by the antiskid shaft sleeve 19, and the situation that water easily slides when the valve shaft is used can be avoided.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A controllable butterfly valve of flow, includes valve casing (1), its characterized in that: the utility model discloses a valve casing, including valve casing (1), the inside center of valve casing (1) rotates and is connected with pivot (2), the equal fixedly connected with butterfly plate (3) in both sides of pivot (2), the top center fixedly connected with guard post (4) of valve casing (1), the top fixedly connected with of guard post (4) rotates box (5), the top of pivot (2) runs through and rotates box (5) and extend to inside, the first toper tooth (6) of top fixedly connected with of pivot (2), the right side of rotating box (5) rotates and is connected with connecting rod (7), the left end of connecting rod (7) runs through and rotates box (5) and extends to inside, the left end fixedly connected with second toper tooth (8) of connecting rod (7), the meshing is connected between first toper tooth (6) and second toper tooth (8), the first valve shaft (9) of connecting rod (7), the right side sliding connection of valve casing (1) has barrier plate (10), the left end of barrier plate (10) runs through right side butterfly plate (3) and slides to inside, threaded rod (10) that valve casing (1) is located threaded rod (11) fixed mount (11) and the left end (12) and extend to inside, barrier plate (12) run through and be connected with barrier plate (10), the right end of the threaded rod (12) is fixedly connected with a second valve shaft (13).

2. A flow controllable butterfly valve in accordance with claim 1, wherein: both sides of the valve casing (1) are provided with connecting threads (14).

3. A flow controllable butterfly valve in accordance with claim 1, wherein: the front side center of the rotating box (5) is fixedly connected with a pressure gauge (15).

4. A flow controllable butterfly valve in accordance with claim 1, wherein: the equal fixedly connected with locating piece (16) in both sides that valve casing (1) are located protection post (4).

5. A flow controllable butterfly valve in accordance with claim 1, wherein: the gap between the valve housing (1) and the barrier plate (10) is filled with a first sealing ring (17).

6. A flow controllable butterfly valve in accordance with claim 1, wherein: the outer walls of the two ends of the valve casing (1) are fixedly connected with second sealing rings (18).

7. A flow-controllable butterfly valve according to claim 1, comprising: and anti-skid shaft sleeves (19) are fixedly connected to the outer circumferences of the first valve shaft (9) and the second valve shaft (13) respectively.