CN217842719U

CN217842719U - Butterfly valve convenient to installation

Info

Publication number: CN217842719U
Application number: CN202222323532.1U
Authority: CN
Inventors: 金智政; 叶治光; 郑好
Original assignee: Zhejiang Oneist Valve Co ltd
Current assignee: Zhejiang Oneist Valve Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2022-11-18
Anticipated expiration: 2032-09-01

Abstract

The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve convenient to install, which comprises a shaft sleeve, wherein a connecting rod is coaxially fixed on a sliding block, and the bottom end of the connecting rod passes through a valve body; the connecting rod is sleeved with a spring; the bottom end of the connecting rod positioned above is fixedly provided with a plug-in unit which is plugged with the slot, and the top end of the connecting rod positioned below is fixedly provided with a plug-in rod which is plugged and matched with the jack; through the valve seat that sets up: under the elastic action of the spring, an elastic acting force is applied to the sliding block, so that the connecting rod drives the plug-in and the plug-in rod to be respectively inserted into the slot and the jack, the valve plate is fixed, and the valve plate is convenient to mount on the valve body; meanwhile, the valve plate can be disassembled by poking the connecting rod to drive the plug-in and the plug-in rod to be separated from the slot and the jack; this design is convenient for install the valve plate to the valve body on, and is convenient for dismantle the valve plate, has improved the convenience of operation, the valve plate of convenient change wearing and tearing.

Description

Butterfly valve convenient to installation

Technical Field

The utility model relates to a butterfly valve technical field specifically is a butterfly valve convenient to installation.

Background

The butterfly valve is also called a flap valve, is a simple regulating valve applied to a pipeline, and can be used for controlling the flow of various types of fluid such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like; the butterfly valve mainly comprises a butterfly valve opening and closing piece, a valve plate, a valve seat, a hand wheel, a flange plate and the like; 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; the valve plate can produce great friction with the disk seat sealing member at the in-process of opening and closing, can cause wearing and tearing to valve plate and sealing member after long-time work, influence the life of butterfly valve, consequently, need regularly change the valve plate of wearing and tearing, but install through the mode of bolt fastening between present valve plate and the valve rod, when this mounting means leads to the dismouting valve plate, need a plurality of bolts of dismouting and valve rod, just can carry out the dismouting to the valve plate, the inconvenience of operation ten minutes, in view of this, we provide a butterfly valve convenient to installation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a butterfly valve convenient to installation to solve the problem that proposes in the above-mentioned background art.

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

a butterfly valve convenient to install comprises a valve body, wherein flange plates are arranged on two sides of the valve body, a rotatable valve plate is arranged in an opening of the valve body, a fixed block is fixed on the rear side wall of the valve plate, and slots and jacks are formed in the top surface and the bottom surface of the fixed block respectively;

the valve seat comprises a shaft sleeve, and a sliding cavity is formed in the shaft sleeve; a sliding block is connected in the sliding cavity in a sliding manner, a connecting rod is coaxially fixed on the sliding block, the top end of the connecting rod penetrates through the shaft sleeve, and the bottom end of the connecting rod penetrates through the valve body; the connecting rod is sleeved with a spring, and two ends of the spring respectively abut against the sliding block and the inner top surface of the sliding cavity; the bottom end of the connecting rod positioned above is fixedly provided with a plug-in unit which is plugged with the slot, and the top end of the connecting rod positioned below is fixedly provided with a plug-in rod which is plugged and matched with the jack.

As the utility model discloses preferred technical scheme, lie in coaxial being fixed with the spacing piece in the seal groove on the connecting rod, the terminal department of axle sleeve all is equipped with the installation piece, the connecting rod passes the installation piece and rotates with the installation piece to be connected, all wear to be equipped with two fixing bolt on the installation piece, fixing bolt and axle sleeve threaded connection.

As the utility model discloses preferred technical scheme, the seal groove has been seted up to the top surface of axle sleeve, be equipped with the sealing ring of rubber material in the seal groove, the connecting rod passes the sealing ring.

As the preferred technical scheme of the utility model, the whole shape of plug-in components is hexagonal prism form, the cross-sectional shape of slot is regular hexagon.

As the utility model discloses preferred technical scheme is located the top department coaxial key-type connection of connecting rod has the hand wheel.

As the utility model discloses preferred technical scheme, the valve plate size with the opening size looks adaptation of valve body.

As the preferred technical scheme of the utility model, the hole of dialling has all been seted up near the terminal department on the connecting rod.

Compared with the prior art, the beneficial effects of the utility model are that:

through the valve seat that sets up: under the elastic action of the spring, an elastic acting force is applied to the sliding block, so that the connecting rod drives the plug-in and the plug-in rod to be respectively inserted into the slot and the jack, the valve plate is fixed, and the valve plate is convenient to mount on the valve body; meanwhile, the valve plate can be disassembled by poking the connecting rod to drive the plug-in and the plug-in rod to be separated from the slot and the jack; this design is convenient for install the valve plate to the valve body on, and is convenient for dismantle the valve plate, has improved the convenience of operation, the valve plate of convenient change wearing and tearing.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the valve body of the present invention;

FIG. 3 is a schematic structural view of the valve plate of the present invention;

FIG. 4 is a structural cross-sectional view of a valve seat according to the present invention;

fig. 5 is a partial structural sectional view of the present invention;

fig. 6 is a schematic view of a part of the structure of the valve seat of the present invention.

In the figure:

1. a valve body;

2. a flange plate;

3. a valve plate; 31. a fixed block; 311. a slot; 312. a jack;

4. a valve seat; 40. a hand wheel; 41. a shaft sleeve; 411. a slide chamber; 412. a sealing groove; 42. a seal ring; 43. mounting blocks; 431. fixing the bolt; 44. a slider; 45. a connecting rod; 451. poking holes; 46. a spring; 47. a limiting block; 48. a plug-in; 49. and (4) inserting a rod.

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 efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

The embodiment provides a technical scheme:

referring to fig. 1-3, a butterfly valve convenient for installation comprises a valve body 1, wherein flanges 2 are arranged on two sides of the valve body 1, a rotatable valve plate 3 is arranged in an opening of the valve body 1, a fixed block 31 is fixed on the rear side wall of the valve plate 3, and a slot 311 and an insertion hole 312 are respectively formed in the top surface and the bottom surface of the fixed block 31; through the slot 311 and the jack 312 that set up, be convenient for carry out the dismouting to valve plate 3.

In this embodiment, the size of the valve plate 3 is matched with the size of the opening of the valve body 1, and the design facilitates the smooth rotation of the valve plate 3 in the opening of the valve body 1, and simultaneously ensures the sealing performance of the valve plate 3 and the valve body 1.

Referring to fig. 4-6, the valve seat 4 is disposed on the upper and lower sides of the outer wall of the valve body 1, the valve seat 4 includes a shaft sleeve 41, and a sliding cavity 411 is disposed inside the shaft sleeve 41; a sliding block 44 is connected in the sliding cavity 411 in a sliding manner, a connecting rod 45 is coaxially fixed on the sliding block 44, the connecting rod 45 and the sliding block 44 are coaxially and tightly welded, the top end of the connecting rod 45 penetrates through the shaft sleeve 41, and the bottom end of the connecting rod 45 penetrates through the valve body 1; the connecting rod 45 is sleeved with a spring 46, and two ends of the spring 46 respectively tightly abut against the inner top surfaces of the sliding block 44 and the sliding cavity 411; the bottom end of the connecting rod 45 positioned above is fixed with a plug-in unit 48 inserted in the slot 311, the top end of the connecting rod 45 positioned below is fixed with an inserting rod 49 inserted in the inserting hole 312, and the inserting rod 49 and the plug-in unit 48 are coaxially and tightly welded with the connecting rod 45; under the elastic action of the spring 46, an acting force is applied to the sliding block 44, so that the sliding block 44 drives the connecting rod 45 to move, the connecting rod 45 drives the inserting rod 49 and the inserting piece 48 to be respectively inserted into the inserting hole 312 and the inserting slot 311, and the valve plate 3 is convenient to mount and fix.

Specifically, a limiting block 47 is coaxially fixed in the sealing groove 412 on the connecting rod 45, the limiting block 47 and the connecting rod 45 are coaxially and tightly welded, an installation block 43 is arranged at the tail end of the shaft sleeve 41, the connecting rod 45 penetrates through the installation block 43 and is rotatably connected with the installation block 43, two fixing bolts 431 are arranged on the installation block 43 in a penetrating mode, the fixing bolts 431 are in threaded connection with the shaft sleeve 41, the installation block 43 has a limiting effect on the limiting block 47, after the valve plate 3 is installed and fixed under the effect of the inserting rod 49 and the inserting piece 48, the limiting effect can be achieved on the limiting block 47 under the blocking of the installation block 43, the limiting effect is achieved on the connecting rod 45, and therefore the stability and the firmness of the valve plate 3 after installation are guaranteed.

In this embodiment, the top surface of the shaft sleeve 41 is provided with a sealing groove 412, a rubber sealing ring 42 is arranged in the sealing groove 412, the connecting rod 45 penetrates through the sealing ring 42, and the connecting tightness between the connecting rod 45 and the shaft sleeve 41 is improved through the arranged sealing ring 42, so that the situations such as fluid leakage are avoided.

In this embodiment, the overall shape of the plug-in 48 is hexagonal prism, the cross-sectional shape of the slot 311 is regular hexagon, when the hand wheel 40 is rotated, the hand wheel 40 can drive the connecting rod 45 above to rotate, so as to drive the plug-in 48 and the valve plate 3 to rotate, so as to adjust the position of the valve plate 3, and open and close the valve body 1.

In this embodiment, the top end of the upper connecting rod 45 is connected with the hand wheel 40 through a coaxial key, and the valve plate 3 is convenient to rotate through the arranged hand wheel 40, so that the valve body 1 is convenient to open and close.

In this embodiment, all seted up near the terminal department on the connecting rod 45 and dialled hole 451, dial hole 451 through stirring, be convenient for stir the motion of connecting rod 45, the connecting rod 45 of being convenient for drives inserted bar 49 and plug-in components 48 and pegs graft or break away from with jack 312 and slot 311 respectively, makes things convenient for dismouting valve plate 3.

When the valve plate 3 is installed, a user firstly puts the valve plate 3 into an opening of the valve body 1, then inserts one ends of two wrenches into the poking holes 451 on the upper side and the lower side respectively, and synchronously pokes the connecting rods 45 to move, the two connecting rods 45 synchronously move relatively, the sliding block 44 slides along the sliding cavity 411, the spring 46 is compressed, the connecting rod 45 drives the inserted rod 49 and the plug-in 48 to synchronously move relatively, the inserted rod 49 and the plug-in 48 synchronously retract into the shaft sleeve 41, the user places the fixing block 31 between the inserted rod 49 and the plug-in 48, then the user loosens the connecting rods 45 on the upper side and the lower side, under the elastic action of the spring 46, the inserted rod 49 and the plug-in 48 can be driven to be inserted into the insertion hole 312 and the insertion groove 311 respectively, and the valve plate 3 is installed and fixed.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a butterfly valve convenient to installation, includes valve body (1), valve body (1) both sides all are equipped with ring flange (2), its characterized in that: a rotatable valve plate (3) is arranged in an opening of the valve body (1), a fixed block (31) is fixed on the rear side wall of the valve plate (3), and a slot (311) and an insertion hole (312) are respectively formed in the top surface and the bottom surface of the fixed block (31);

valve seats (4) are arranged on the upper side and the lower side of the outer wall of the valve body (1), the valve seats (4) comprise shaft sleeves (41), and sliding cavities (411) are formed in the shaft sleeves (41); a sliding block (44) is connected in the sliding cavity (411) in a sliding mode, a connecting rod (45) is coaxially fixed on the sliding block (44), the top end of the connecting rod (45) penetrates through the shaft sleeve (41), and the bottom end of the connecting rod (45) penetrates through the valve body (1); a spring (46) is sleeved on the connecting rod (45), and two ends of the spring (46) respectively abut against the inner top surfaces of the sliding block (44) and the sliding cavity (411); the bottom end of the connecting rod (45) positioned above is fixedly provided with a plug-in unit (48) which is plugged with the slot (311), and the top end of the connecting rod (45) positioned below is fixedly provided with a plug-in rod (49) which is plugged and matched with the jack (312).

2. The butterfly valve of claim 1, wherein: the connecting rod (45) is coaxially fixed with a limiting block (47) in the sealing groove (412), the tail end of the shaft sleeve (41) is provided with an installation block (43), the connecting rod (45) penetrates through the installation block (43) and is rotatably connected with the installation block (43), two fixing bolts (431) penetrate through the installation block (43), and the fixing bolts (431) are in threaded connection with the shaft sleeve (41).

3. The butterfly valve easy to install of claim 1, wherein: the top surface of the shaft sleeve (41) is provided with a sealing groove (412), a sealing ring (42) made of rubber is arranged in the sealing groove (412), and the connecting rod (45) penetrates through the sealing ring (42).

4. The butterfly valve of claim 1, wherein: the overall shape of the insert (48) is hexagonal prism-shaped, and the cross-sectional shape of the insertion groove (311) is regular hexagon.

5. The butterfly valve of claim 1, wherein: the top end of the connecting rod (45) positioned above is coaxially keyed with a hand wheel (40).

6. The butterfly valve easy to install of claim 1, wherein: the size of the valve plate (3) is matched with the size of the opening of the valve body (1).

7. The butterfly valve easy to install of claim 1, wherein: the connecting rod (45) is provided with poking holes (451) close to the tail end.