阅读说明：本技术 一种易于维修的蝶阀 (Butterfly valve easy to maintain ) 是由 苏道飞 郭君栋 周景玲 于 2020-07-11 设计创作，主要内容包括：本发明公开了一种易于维修的蝶阀,包括：阀体,所述阀体中部沿径向开设有安装槽,所述安装槽连通所述流体管路,所述安装槽的两侧均设置有弧形滑道；至少一个滑移锁块,与所述弧形滑道配合能够沿所述弧形滑道滑移；安装盘,能够插入所述安装槽内抵接于所述安装槽侧壁,并与所述流体管路同轴线设置,所述滑移锁块能够沿所述弧形滑道移动至所述安装盘的上方,以固定所述安装盘；阀杆,沿径向穿设于所述安装盘；蝶板,设置于所述安装盘中部能够与所述安装盘内环紧密贴合以阻断流体管路。本发明的优点在于：通过设置可拆卸的安装盘,从而能够方便的拆卸蝶板,对蝶板进行清洗或维修；且安装盘通过滑移锁块进行固定拆卸与安装方便。(The invention discloses a butterfly valve easy to maintain, comprising: the valve body is provided with a mounting groove in the middle along the radial direction, the mounting groove is communicated with the fluid pipeline, and arc-shaped slideways are arranged on two sides of the mounting groove; the at least one sliding locking block is matched with the arc-shaped slide way and can slide along the arc-shaped slide way; the sliding locking block can move to the upper part of the mounting disc along the arc-shaped slide way so as to fix the mounting disc; the valve rod penetrates through the mounting disc along the radial direction; the butterfly plate is arranged in the middle of the mounting disc and can be tightly attached to the inner ring of the mounting disc to block the fluid pipeline. The invention has the advantages that: the detachable mounting disc is arranged, so that the butterfly plate can be conveniently detached and cleaned or maintained; and the mounting disc is fixed through the sliding locking piece and is dismantled and simple to operate.)

1. An easy-to-maintain butterfly valve, comprising:

the valve body is provided with an inlet, an outlet and a fluid pipeline communicated with the inlet and the outlet, the middle part of the valve body is radially provided with a mounting groove, the mounting groove is communicated with the fluid pipeline, and two sides of the mounting groove are provided with arc-shaped slideways;

the at least one sliding locking block is matched with the arc-shaped slide way and can slide along the arc-shaped slide way;

the sliding locking block can move to the upper part of the mounting disc along the arc-shaped slide way so as to fix the mounting disc;

the valve rod penetrates through the mounting disc along the radial direction;

the butterfly plate set up in the mounting disc middle part can with the mounting disc inner ring closely laminates in order to block the fluid pipeline, just the butterfly plate with valve rod fixed connection, through rotatory the valve rod can control opening and close of butterfly valve.

2. The butterfly valve easy to maintain according to claim 1, wherein the sliding lock piece has a locking hole, the valve body has a positioning hole, and a locking pin is coaxially inserted into the locking hole and the positioning hole to fix the sliding lock piece.

3. The butterfly valve easy to maintain according to claim 2, wherein sliding blocks are arranged on two sides of the sliding locking block, and the sliding blocks are respectively clamped into the arc-shaped slide ways on two sides of the mounting groove.

4. The butterfly valve of claim 3 wherein the mounting plate has an extension rod, the valve stem being disposed through the extension rod.

5. The butterfly valve easy to maintain according to claim 4, wherein two sliding locking blocks are arranged in the arc-shaped slideway, and the two sliding locking blocks can be respectively fixed on two sides of the extension rod and abut against the extension rod so as to fix the extension rod.

6. The butterfly valve easy to maintain of claim 5, wherein a groove is formed on each of the two sliding locking pieces on one side close to the extension rod, and the grooves of the two arc-shaped sliding blocks can be combined to form a round hole through which the extension rod passes.

7. The butterfly valve of claim 4, wherein a locking disc is fixedly disposed on the top of the extension rod, a locking opening is disposed on the locking disc, and a locking clip is fixedly disposed on the top of the valve rod and is snapped into the locking opening to fix the extension rod and the valve rod.

8. The butterfly valve easy to maintain according to claim 1, wherein an installation opening is formed in one end, located on the arc-shaped slide way, of the valve body, and the sliding locking block can be clamped into or separated from the arc-shaped slide way through the installation opening.

9. The butterfly valve easy to maintain as claimed in claim 1, wherein a connecting hole is formed in the bottom of the valve body, a connecting rod is fixedly arranged on the lower portion of the butterfly plate, the connecting rod is coaxial with the valve rod, and the connecting rod penetrates through the mounting plate and extends into the connecting hole.

Technical Field

The invention relates to the technical field of pipeline valves, in particular to a butterfly valve easy to maintain.

Background

The butterfly valve is an industrial valve with simple structure, can be used for the on-off control of pipeline media, and the butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around a valve rod in the valve body, thereby achieving the purpose of opening and closing. The butterfly plate and the sealing surface are repeatedly extruded to generate sealing when the butterfly valve is opened and closed, so that the material at the sealing position is damaged and leakage is generated; therefore, the butterfly valve needs to be cleaned, maintained or replaced by parts regularly in use; because the butterfly valve in the prior art must be detached from the pipeline when the butterfly plate and the sealing element are cleaned or repaired, a lot of manpower is wasted in a long period of time, and great inconvenience is brought to the use and maintenance of the system where the butterfly plate and the sealing element are located.

Disclosure of Invention

In view of the above, it is desirable to provide a butterfly valve that is easy to maintain and can be easily disassembled for maintenance.

The invention discloses a butterfly valve easy to maintain, which comprises: the valve body is provided with an inlet, an outlet and a fluid pipeline communicated with the inlet and the outlet, the middle part of the valve body is radially provided with a mounting groove, the mounting groove is communicated with the fluid pipeline, and two sides of the mounting groove are provided with arc-shaped slideways; the at least one sliding locking block is matched with the arc-shaped slide way and can slide along the arc-shaped slide way; the sliding locking block can move to the upper part of the mounting disc along the arc-shaped slide way so as to fix the mounting disc; the valve rod penetrates through the mounting disc along the radial direction; the butterfly plate set up in the mounting disc middle part can with the mounting disc inner ring closely laminates in order to block the fluid pipeline, just the butterfly plate with valve rod fixed connection, through rotatory the valve rod can control opening and close of butterfly valve.

In one embodiment, the sliding lock block is provided with a locking hole, the valve body is provided with a positioning hole, and a lock pin coaxially penetrates through the locking hole and the positioning hole to fix the sliding lock block.

In one embodiment, two sides of the sliding lock block are provided with sliding blocks, and the sliding blocks are respectively clamped in the arc-shaped slide ways on two sides of the mounting groove.

In one embodiment, the mounting plate has an extension rod, and the valve rod is arranged in the extension rod in a penetrating mode.

In one embodiment, two sliding locking blocks are arranged in the arc-shaped slideway, and the two sliding locking blocks can be respectively fixed on two sides of the extension rod and abut against the extension rod so as to fix the extension rod.

In one embodiment, grooves are formed in one side, close to the extension rod, of each of the two sliding locking blocks, the grooves of the two arc-shaped sliding blocks can be combined to form a round hole, and the extension rod penetrates through the round hole.

In one embodiment, a lock disc is fixedly arranged at the top of the extension rod, a locking opening is formed in the lock disc, a lock clamp is fixedly arranged at the top of the valve rod, and the lock clamp is clamped in the locking opening to fix the extension rod and the valve rod.

In one embodiment, an installation opening is formed in one end, located on the arc-shaped slide way, of the valve body, and the sliding locking block can be clamped into or separated from the arc-shaped slide way through the installation opening.

In one embodiment, a connecting hole is formed in the bottom of the valve body, a connecting rod is fixedly arranged on the lower portion of the butterfly plate, the connecting rod is coaxial with the valve rod, and the connecting rod penetrates through the mounting disc and extends into the connecting hole.

The technical scheme has the advantages that: the detachable mounting disc is arranged, so that the butterfly plate can be conveniently detached and cleaned or maintained, and the whole butterfly valve does not need to be detached from the pipeline; and the mounting disc is fixed through the locking piece that slides, only need move away the locking piece that slides when dismantling, with the mounting disc follow mounting groove in take out can, dismantle with simple to operate.

Drawings

FIG. 1 is a cross-sectional view of an easy-to-service butterfly valve provided by the present invention;

fig. 2 and 3 are cross-sectional views of a plane a-a of fig. 1, where fig. 2 is a state view of the slide lock block located above the mounting plate, and fig. 3 is a state view of the slide lock block located on both sides of the mounting plate, according to the present invention;

FIG. 4 is a cross-sectional view of an easy to service butterfly valve of the present invention with the mounting plate removed;

FIG. 5 is a perspective view of a sliding lock block of a butterfly valve easy to maintain according to the present invention;

fig. 6 and 7 are perspective views of a valve body of a butterfly valve easy to maintain according to the present invention.

In the figure, a valve body 1, an inlet 11, an outlet 12, a fluid pipeline 13, a mounting groove 14, an arc-shaped slideway 15, a positioning hole 16, a mounting opening 17, a connecting hole 18, a sliding locking block 2, a locking hole 21, a sliding block 22, a groove 23, a mounting disc 3, an extension rod 31, a sealing seat 32, a valve rod 4, a butterfly plate 5, a locking disc 6, a locking clamp 7 and a connecting rod 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

An easy-to-service butterfly valve as shown in fig. 1 and 2, comprising: valve body 1, slip locking piece 2, mounting disc 3, valve rod 4, butterfly plate 5. Referring to fig. 6 and 7, the valve body 1 has an inlet 11, an outlet 12 and a fluid pipeline 13 communicating the inlet 11 and the outlet 12, a mounting groove 14 is radially formed in the middle of the valve body 1, the mounting groove 14 is communicated with the fluid pipeline 13, and arc-shaped slideways 15 are respectively disposed on two sides of the mounting groove 14; the sliding locking block 2 is matched with the arc-shaped slideway 15 and can slide along the arc-shaped slideway 15; the mounting disc 3 is annular, can be inserted into the mounting groove 14 and abutted against the side wall of the mounting groove 14, and is arranged coaxially with the fluid pipeline 13, and the sliding locking block 2 can move to the upper part of the mounting disc 3 along the arc-shaped slide way 15 so as to fix the mounting disc 3; the valve rod 4 radially penetrates through the mounting disc 3; the butterfly plate 5 set up in 3 middle parts of mounting disc can with 3 inner rings of mounting disc are closely laminated in order to block fluid pipeline 13, just the butterfly plate 5 with valve rod 4 fixed connection, through rotatory valve rod 4 can control opening and close of butterfly valve.

Preferably, as shown in fig. 5, the sliding lock block 2 has a lock hole 21, the valve body 1 has a positioning hole 16, and a lock pin is coaxially inserted into the lock hole 21 and the positioning hole 16 to fix the sliding lock block 2.

Preferably, sliding blocks 22 are arranged on two sides of the sliding lock block 2, and the sliding blocks 22 are respectively clamped in the arc-shaped slide ways 15 on two sides of the mounting groove 14.

Preferably, the mounting plate 3 has an extension rod 31, and the valve rod 4 is inserted into the extension rod 31.

Further, a sealing seat 32 is arranged on the inner ring of the mounting disc 3, and the sealing seat 32 can be in sealing fit with the butterfly plate 5.

Preferably, be provided with two locking pieces 2 that slide in the arc slide 15, two locking pieces 2 that slide can be fixed in respectively extension rod 31's both sides to support and hold extension rod 31 is thereby fixed extension rod 31.

It should be noted that, in this embodiment, the mounting disc 3 is inserted in the mounting groove 14, the connecting rod 8 stretches into in the connecting hole 18, the valve body 1 at the bottom of the mounting groove 14 is supported at the bottom of the mounting disc 3, and the sliding lock block 2 can move to the upper portion of the mounting disc 3, is fixed to the extension rod 31 fixedly connected with the mounting disc 3, and the sliding lock block 2 can abut against the upper portion of the mounting disc 3, thereby fixing the mounting disc 3.

Preferably, two be close to on the locking piece 2 that slides one side of extension rod 31 all is provided with recess 23, and two the recess 23 of arc slider 22 can make up and form the round hole, extension rod 31 passes the round hole. It can be understood that when the sliding lock block 2 is fixed, the extension rod 31 can be fixed in the round hole.

Preferably, the top of the extension rod 31 is fixedly provided with a locking disc 6, a locking opening (not shown) is formed in the locking disc 6, the top of the valve rod 4 is fixedly provided with a locking clamp 7, and the locking clamp 7 is clamped into the locking opening to fix the extension rod 31 and the valve rod 4.

Preferably, an installation opening 17 is formed in one end, located on the valve body 1, of the arc-shaped slide way 15, and the sliding locking block 2 can be clamped into or separated from the arc-shaped slide way 15 through the installation opening 17.

Preferably, a connecting hole 18 is formed in the bottom of the valve body 1, a connecting rod 8 is fixedly arranged on the lower portion of the butterfly plate 5, the connecting rod 8 is coaxial with the valve rod 4, and the connecting rod 8 penetrates through the mounting disc 3 and extends into the connecting hole 18.

The working mode of the invention is as follows: through rotatory valve rod 4 with control the opening and close of butterfly plate 5, when needing to be changed or wash the dish board, take out the lockpin that sets up in the closure hole 21, as shown in fig. 2 and 3, then with the locking piece 2 that slides of extension rod 31 both sides to keeping away from the direction of extension rod 31 removes, make mounting disc 3 can take out from mounting groove 14, clear up, as shown in fig. 4. After the butterfly plate 5 is cleaned up, insert the mounting disc 3 in the mounting groove 14, then with the locking piece 2 rebound that slides of both sides, the butt is in extension rod 31 both sides, and the locking hole 21 that will slide the locking piece 2 is connected with fixed sliding locking piece 2 with locating hole 16, and then fixed mounting disc 3. It is worth mentioning that, the valve body 1 of mounting groove 14 bottom can support mounting disc 3, through restricting mounting disc 3 with the locking piece 2 that slides in the upper end, can be fixed in mounting groove 14 with mounting disc 3 in, two locking pieces 2 that slide when removing to the lower extreme, mounting groove 14 semicircular in shape to make mounting disc 3 can take out smoothly from mounting groove 14.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.