CN213541337U

CN213541337U - Butt clamp type butterfly valve

Info

Publication number: CN213541337U
Application number: CN202022460989.8U
Authority: CN
Inventors: 仝进召; 仝进领
Original assignee: Tianjin Yinuo Valve Industry Co ltd
Current assignee: Tianjin Yinuo Valve Industry Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-06-25
Anticipated expiration: 2030-10-30

Abstract

The utility model relates to a wafer butterfly valve, which comprises an upper valve body, a lower valve body, an upper valve seat, a lower valve seat, a valve plate, an execution structure and a locking mechanism; the executing structure comprises an upper valve rod, the top of the upper valve rod is provided with a handle and a limiting disc for limiting the handle; one end of the upper valve body is hinged with one end of the lower valve body, the other end of the upper valve body is respectively provided with a horizontal outward extending part, and the locking mechanism comprises a rotating shaft, a threaded rod, a notch and a fastener; the rotating shaft penetrates through an extending part of the lower valve body, one end of the threaded rod is fixedly connected to the rotating shaft, the extending part is respectively provided with a notch for the threaded rod to be turned up and down, and a fastener is sleeved on the threaded rod; the lower valve seat is fixedly connected to the bottom of the lower valve body, and a lower valve rod is arranged in the lower valve seat; the bottom of the upper valve rod is connected to the top end of the valve plate, and the top of the lower valve rod is connected to the bottom end of the valve plate. Each part of the butterfly valve is mainly detachably connected, so that the butterfly valve is convenient to replace and maintain, if damaged, a brand new set is not required to be replaced, the resource cost is saved, and the service life of a workpiece is prolonged.

Description

Butt clamp type butterfly valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to a wafer formula butterfly valve.

Background

The butterfly plate of the butt-clamping butterfly valve is arranged in the diameter direction of the pipeline. In the cylindrical channel of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis at a rotation angle of 0-90 degrees, and when the disc-shaped butterfly plate rotates to 90 degrees, the valve is in a full-open state. The valve is generally mounted horizontally. The opposite clamping butterfly valve has simple structure, small volume and light weight and only consists of a few parts. And the valve can be quickly opened and closed only by rotating 90 degrees, the operation is simple, and meanwhile, the valve has good fluid control characteristics. When the butterfly valve is in the fully open position, the thickness of the butterfly plate is the only resistance to the flow of media through the valve body, and therefore the pressure drop across the valve is small, and better flow control characteristics are achieved.

In the prior art, after the butterfly valve body and each part are assembled, a brand new set of butterfly valve body and each part need to be replaced if damaged in use, and the parts cannot be disassembled and disassembled to be replaced and maintained, so that the resource cost is greatly wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide a wafer formula butterfly valve.

The utility model discloses a realize through following technical scheme: a wafer butterfly valve comprises an upper valve body, a lower valve body, an upper valve seat, a lower valve seat, a valve plate, an execution structure and a locking mechanism; the upper valve seat is fixedly connected to the top of the upper valve body; the actuating structure is arranged at the upper end of the upper valve seat and comprises a rotatable upper valve rod arranged in the actuating structure, and the top of the upper valve rod is provided with a handle and a limiting disc for limiting the handle; the handle is detachably connected with the top of the upper valve rod through threads; one end of the upper valve body is hinged with one end of the lower valve body through an external hinged part, the other end of the upper valve body is provided with a horizontal outward extending part, the extending part is provided with a locking mechanism, and the locking mechanism comprises a rotating shaft, a threaded rod, a notch and a fastener; the rotating shaft penetrates through the extending part of the lower valve body, one end of the threaded rod is fixedly connected to the rotating shaft, the extending parts of the lower valve body and the upper valve body are respectively provided with a notch for the threaded rod to be turned up and down, and the threaded rod is sleeved with a fastener; the lower valve seat is fixedly connected to the bottom of the lower valve body, and a detachable lower valve rod is arranged in the lower valve seat; threaded connection can be dismantled in last valve rod bottom at the top of valve plate, the top rotatable coupling of lower valve rod is in the bottom of valve plate.

According to the above technical solution, preferably, the handle includes a grip handle rotating along the limiting disc, a pressing handle hinged to the lower side of the grip handle along the vertical direction, and an elastic member elastically connected between the grip handle and the pressing handle; the pressing handle is provided with a limiting column at one end contacted with the limiting disc, and the limiting disc is provided with a limiting hole matched with the limiting column.

According to the technical scheme, preferably, sealing gaskets are arranged on the inner walls of the upper valve body and the lower valve body, which are in contact with the valve plate.

According to the technical scheme, preferably, a group of circular flange holes are respectively formed in the left end and the right end of the upper valve seat and the lower valve seat.

The utility model has the advantages that: each part of the butterfly valve is mainly detachably connected, so that the butterfly valve is convenient to replace and maintain, if damaged, a brand new set is not required to be replaced, the resource cost is saved, and the service life of a workpiece is prolonged.

Drawings

Fig. 1 shows a schematic front view structure diagram of an embodiment of the present invention.

Fig. 2 shows a schematic front view structure diagram of a locking mechanism according to an embodiment of the present invention.

In the figure: 1. an upper valve body; 2. a lower valve body; 3. an upper valve seat; 4. a lower valve seat; 5. a valve plate; 6. an execution structure; 61. an upper valve stem; 62. a handle; 621. a grip; 622. a pressing handle; 623. an elastic member; 624. a limiting column; 63. a limiting disc; 64. a limiting hole; 7. a locking mechanism; 71. a rotating shaft; 72. a threaded rod; 73. opening the gap; 74. a fastener; 8. a hinge portion; 9. an extension portion; 10. a lower valve stem; 11. a gasket; 12. and (4) flange holes.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 1, the utility model relates to a wafer butterfly valve, which comprises an upper valve body 1, a lower valve body 2, an upper valve seat 3, a lower valve seat 4, a valve plate 5, an actuating structure 6 and a locking mechanism 7; the upper valve seat 3 is fixedly connected to the top of the upper valve body 1; the executing structure 6 is arranged at the upper end of the upper valve seat 3, the executing structure 6 comprises a rotatable upper valve rod 61 arranged in the executing structure, and the top of the upper valve rod 61 is provided with a handle 62 and a limiting disc 63 for limiting the handle 62; the handle 62 is detachably connected with the top of the upper valve rod 61 through threads; one end of the upper valve body 1 is hinged with one end of the lower valve body 2 through an external hinge part 8, the other end of the upper valve body 1 is provided with a horizontal outward extending part 9, the extending part 9 is provided with a locking mechanism 7, and the locking mechanism 7 comprises a rotating shaft 71, a threaded rod 72, a notch 73 and a fastener 74; the rotating shaft 71 is arranged in the extending part 9 of the lower valve body 2 in a penetrating manner, one end of the threaded rod 72 is fixedly connected to the rotating shaft 71, the extending parts 9 of the lower valve body 2 and the upper valve body 1 are respectively provided with a notch 73 for the threaded rod 72 to be turned up and down, and the threaded rod 72 is sleeved with a fastener 74; the lower valve seat 4 is fixedly connected to the bottom of the lower valve body 2, and a detachable lower valve rod 10 is arranged in the lower valve seat 4; the bottom of the upper valve rod 61 is detachably connected with the top end of the valve plate 5 through threads, and the top of the lower valve rod 10 is rotatably connected with the bottom end of the valve plate 5.

Further, the handle 62 comprises a holding handle 621 rotating along the limiting disc 63, a pressing handle 622 hinged to the lower side of the holding handle 621 in the vertical direction, and an elastic member 623 elastically connected between the holding handle 621 and the pressing handle 622; the one end that the handle 622 contacts with spacing dish 63 is equipped with spacing post 624 to the pressure, be equipped with the spacing hole 64 with spacing post 624 looks adaptation on the spacing dish 63, the separable joint of the two, the rotation angle of valve plate 5 is controlled with turning handle 62 as required.

Furthermore, the inner walls of the upper valve body 1 and the lower valve body 2, which are in contact with the valve plate 5, are provided with sealing gaskets 11, so that the sealing performance inside the butterfly valve is guaranteed.

Further, a set of circular shape flange hole 12 has been seted up respectively at both ends about going up disk seat 3 and lower disk seat 4, makes the utility model discloses an applicability is wider, can adapt to multiple connection standard.

During the use, install actuating mechanism 6 earlier, then with last valve body 1 with lower valve body 2 turn over open, slowly lock the bottom of valve plate 5 after the bottom of last valve rod 61 with valve plate 5 threaded connection and rotate and connect the top at lower valve rod 10 to rethread locking mechanism 7 with it, can install and use on required pipe fitting.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A wafer butterfly valve is characterized by comprising an upper valve body (1), a lower valve body (2), an upper valve seat (3), a lower valve seat (4), a valve plate (5), an execution structure (6) and a locking mechanism (7); the upper valve seat (3) is fixedly connected to the top of the upper valve body (1); the actuating structure (6) is arranged at the upper end of the upper valve seat (3), the actuating structure (6) comprises a rotatable upper valve rod (61) arranged in the actuating structure, and the top of the upper valve rod (61) is provided with a handle (62) and a limiting disc (63) for limiting the handle (62); the handle (62) is detachably connected with the top of the upper valve rod (61) in a threaded manner; one end of the upper valve body (1) is hinged with one end of the lower valve body (2) through an external hinge part (8), the other end of the upper valve body (1) is provided with a horizontal outward extending part (9) respectively, a locking mechanism (7) is arranged on the extending part (9), and the locking mechanism (7) comprises a rotating shaft (71), a threaded rod (72), a notch (73) and a fastener (74); the rotary shaft (71) penetrates through the extension part (9) of the lower valve body (2), one end of the threaded rod (72) is fixedly connected to the rotary shaft (71), the extension parts (9) of the lower valve body (2) and the upper valve body (1) are respectively provided with a notch (73) for the threaded rod (72) to be turned up and down, and the threaded rod (72) is sleeved with a fastener (74); the lower valve seat (4) is fixedly connected to the bottom of the lower valve body (2), and a detachable lower valve rod (10) is arranged in the lower valve seat (4); threaded connection can be dismantled to last valve rod (61) bottom at the top of valve plate (5), the top rotatable coupling of lower valve rod (10) is in the bottom of valve plate (5).

2. The butterfly valve of the wafer type according to claim 1, wherein the handle (62) comprises a holding handle (621) rotating along the limiting disk (63), a pressing handle (622) hinged to the lower side of the holding handle (621) along the vertical direction, and an elastic member (623) elastically connected between the holding handle (621) and the pressing handle (622); the pressing handle (622) is provided with a limiting column (624) at one end contacted with the limiting disc (63), and the limiting disc (63) is provided with a limiting hole (64) matched with the limiting column (624).

3. A butterfly valve of the wafer type according to claim 2, characterized in that the inner walls of the upper (1) and lower (2) valve bodies in contact with the valve plate (5) are provided with gaskets (11).

4. The wafer type butterfly valve according to claim 3, wherein a set of circular flange holes (12) are respectively formed at the left end and the right end of the upper valve seat (3) and the lower valve seat (4).