CN217898821U

CN217898821U - Self-filtering butterfly valve

Info

Publication number: CN217898821U
Application number: CN202221939547.4U
Authority: CN
Inventors: 石广应
Original assignee: Zhejiang Shidai Casting Co ltd
Current assignee: Zhejiang Shidai Casting Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-11-25
Anticipated expiration: 2032-07-26

Abstract

The utility model discloses a self-filtering butterfly valve relates to preparation facilities technical field, which comprises an outer shell, the front in the shell outside and the equal fixedly connected with go-between in the back, the hollow block of middle part fixedly connected with at shell top, the inside bottom fixedly connected with lock mechanism of hollow block, the inside through connection of lock mechanism has the pivot, the top fixedly connected with of pivot changes A, the baffle has been cup jointed in the outside of pivot, lock mechanism includes the connecting block, the outside threaded connection of connecting block has supplementary piece, interval sliding connection such as the top of connecting block has the stopper, through spring fixed connection between two stoppers, the supplementary piece outside has cup jointed at the top changes B, and the internal thread connection of every screw hole has the bolt convenience to the quick closure of the regulation of adjusting butterfly valve baffle and butterfly valve, and the valve body stops flowing and lock effect this moment, restriction pivot and baffle autogiration.

Description

Self-filtering butterfly valve

Technical Field

The utility model relates to a preparation facilities technical field specifically is a self filtering butterfly valve.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the switch control of low-pressure pipeline media, namely a closing member (a valve clack or a butterfly plate) is a disk. A butterfly valve that rotates about a valve axis to open and close.

The existing butterfly valve is lack of a certain locking mechanism, and when the flow rate of liquid or gas in a pipeline is too high, the valve plate can be pushed to rotate, so that the valve is broken down.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a self-filtering butterfly valve to solve among the above-mentioned background art current butterfly valve and lack certain locking mechanism, when the liquid or the gas flow velocity in the pipeline are too big, can promote the valve plate rotatory, thereby lead to the problem that the valve broke down.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a self-filtering butterfly valve, includes the shell, the front in the shell outside and the equal fixedly connected with go-between in the back, the hollow block of middle part fixedly connected with at shell top, the inside bottom fixedly connected with lock mechanism of hollow block, the inside through connection of lock mechanism has the pivot, the top fixedly connected with of pivot changes A, the baffle has been cup jointed in the outside of pivot.

Optionally, the lock mechanism comprises a connecting block, the outer side of the connecting block is in threaded connection with an auxiliary block, the tops of the connecting block are in sliding connection at equal intervals with limiting blocks, the two limiting blocks are fixedly connected through springs, and the top of the outer side of the auxiliary block is sleeved with a rotating handle B.

Alternatively, the surface of the connection ring is equally spaced apart with threaded holes, and a bolt is threadedly connected to the inside of each threaded hole.

Optionally, the top of the connecting block is provided with sliding grooves at equal intervals, and the inside of the sliding grooves is connected with the limiting blocks in a sliding manner.

Optionally, a bearing is sleeved on the outer side of the rotating shaft, and the outer side of the bearing is connected with the inner wall of the lock mechanism through interference fit.

Optionally, the bottom of the inner wall of the auxiliary block is provided with threads, and the outer side of each thread is in threaded connection with the connecting block.

Optionally, the limiting blocks are triangular, and the number of the limiting blocks is three.

The utility model discloses a technological effect and advantage:

1. the lock mechanism is moved manually to unlock the rotating shaft of the butterfly valve, the rotating shaft A is rotated manually to enable the rotating shaft and the baffle to rotate, when the baffle and the shell are in a vertical state, the butterfly valve is adjusted conveniently, the butterfly valve is closed quickly, and the fluid in the valve body stops flowing.

2. From straining formula butterfly valve, it is rotatory to change B through artifical rotation, and it is rotatory to drive supplementary piece simultaneously, rotatory back, because supplementary piece and connecting block threaded connection, make the effect of the rotatory decline of supplementary piece, when descending, extrude the spring, make every spring rebound, extrude the countershaft to reach the lock effect, restriction pivot and baffle autogiration.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the present invention shown in FIG. 1A;

fig. 3 is a schematic view of the three-dimensional structure of the housing of the present invention.

In the figure: the novel rotary handle comprises a shell 1, a hollow block 2, a connecting ring 3, a rotating shaft 4, a rotating handle A5, a baffle 6, a threaded hole 7, a lock mechanism 8, a connecting block 801, a limiting block 802, an auxiliary block 803, a spring 804 and a rotating handle B805.

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.

The utility model provides a from filter butterfly valve as shown in fig. 1-3, which comprises a housing 1, move lock mechanism 8 through the manual work, remove the lock with the pivot of butterfly valve, go-between 3 has all been cup jointed at the front and the back in the shell 1 outside, the surface equipartition interval of go-between 3 is equipped with screw hole 7, and the internal thread connection of every screw hole 7 has the bolt, threaded connection through bolt and screw hole 7 makes go-between 3 and external connecting pipe connect and carry out the fixed effect, the middle part welding at shell 1 top has hollow block 2, and hollow block 2 mainly with place pivot 4 and lock mechanism 8 prevent the damage, the middle part welding of the inside bottom of hollow block 2 has lock mechanism 8, the inside through connection of lock mechanism 8 has pivot 4, the bearing has been cup jointed in the outside of pivot 4, the outside of bearing is through interference fit and lock mechanism 8's inner wall connection, rotating through the manual work and rotating A5 and making pivot 4 and baffle 6 rotatory, when baffle 6 and shell 1 are in the vertical state, conveniently adjust butterfly valve baffle and the quick closure that the butterfly valve stopped cup jointing, the fixed flow of the internal flow of valve body, the pivot 4 outside is connected with pivot 5, the baffle 6 outside.

The lock mechanism 8 comprises a connecting block 801, the connecting block 801 is divided into two parts, threads are formed in the outer side of the top of the connecting block 801 and are in threaded fit with an auxiliary block 803, the outer side of the connecting block 801 is in threaded connection with the auxiliary block 803, a rotating handle B805 is rotated through manual rotation, the auxiliary block 803 is driven to rotate at the same time, after the rotation, due to the fact that the auxiliary block 803 is in threaded connection with the connecting block 801, the auxiliary block 803 is enabled to rotate and descend, the tops of the connecting block 801 are connected with limiting blocks 802 in a sliding mode at equal intervals, the limiting blocks 802 are triangular, the number of the limiting blocks 802 is three, the two limiting blocks 802 are fixedly connected through springs 804, through the elasticity of the springs 804, the tops of the connecting block 801 are provided with sliding grooves at equal intervals, the insides of the sliding grooves are in sliding connection with the limiting blocks 802, when the auxiliary block 803 ascends, the limiting blocks 802 are enabled to move outwards through the elasticity of the springs 804, the effect of unlocking is achieved, the springs 804 are extruded while descending, each spring 804 is enabled to move inwards, the rotating shaft 4 is extruded, the effect of the lock is achieved, the effect is achieved, the automatic rotation of the rotating shaft 4 and the baffle 6 is limited, and the top of the auxiliary block 803 is connected with the rotating handle B805.

Claims

1. A self-filtering butterfly valve, comprising a casing (1), characterized in that: the utility model discloses a lock, including shell (1), the front in shell (1) outside and the equal fixedly connected with go-between in the back (3), the middle part fixedly connected with hollow block (2) at shell (1) top, the inside bottom fixedly connected with lock mechanism (8) of hollow block (2), the inside through connection of lock mechanism (8) has pivot (4), the top fixedly connected with of pivot (4) changes A (5), baffle (6) have been cup jointed in the outside of pivot (4).

2. The self-filtering butterfly valve of claim 1, wherein: the lock mechanism (8) comprises a connecting block (801), an auxiliary block (803) is in threaded connection with the outer side of the connecting block (801), limiting blocks (802) are in sliding connection with the top of the connecting block (801) at equal intervals, the two limiting blocks (802) are fixedly connected through springs (804), and a rotating handle B (805) is sleeved on the outer side of the auxiliary block (803).

3. The self-filtering butterfly valve of claim 1, wherein: threaded holes (7) are formed in the surface of the connecting ring (3) at equal intervals, and a bolt is connected to the inner thread of each threaded hole (7).

4. The self-filtering butterfly valve of claim 2, wherein: the top of the connecting block (801) is provided with sliding grooves at equal intervals, and the inside of each sliding groove is connected with the limiting block (802) in a sliding mode.

5. The self-filtering butterfly valve of claim 1, wherein: the bearing is sleeved on the outer side of the rotating shaft (4), and the outer side of the bearing is connected with the inner wall of the lock mechanism (8) through interference fit.

6. The self-filtering butterfly valve of claim 2, wherein: the bottom of the inner wall of the auxiliary block (803) is provided with threads, and the outer side of the threads is in threaded connection with the connecting block (801).

7. The self-filtering butterfly valve of claim 2, wherein: the limiting blocks (802) are triangular, and the number of the limiting blocks (802) is three.