CN212131339U

CN212131339U - Butterfly valve of double locking

Info

Publication number: CN212131339U
Application number: CN202020302093.4U
Authority: CN
Inventors: 陈丽
Original assignee: Jiangsu Yanxing Agricultural Development Co ltd
Current assignee: Jiangsu Yanxing Agricultural Development Co ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-12-11
Anticipated expiration: 2030-03-12

Abstract

The utility model discloses a butterfly valve of double-locking, including the valve body, the both ends of valve body all with the pipe connection, the inside of valve body is equipped with the dish board, the top and the valve rod one of dish board are connected, the bottom and the valve rod two of dish board are connected, the top of valve rod one runs through the valve body and extends to the outside of valve body, the top of valve body is equipped with the cover and locates the valve barrel of valve rod one, valve rod one and a handle swing joint, valve rod one is connected with the valve barrel through locking Assembly one, the bottom of valve rod two runs through the valve body and extends to the outside of valve body, the bottom and the heavy object piece of valve rod two are connected, the bottom of heavy object piece is connected with handle. The beneficial effects are that: through the setting of valve rod one and valve rod two, the control dish board of being convenient for is rotatory for valve rod one has dual control valve body's switching with valve rod two, when valve rod one or valve rod two appear one the fracture, makes the valve body normally work, and then has improved the job stabilization nature and the practicality of valve body, and this design simple structure simultaneously, the operation is convenient.

Description

Butterfly valve of double locking

Technical Field

The utility model relates to a valve field particularly, relates to a butterfly valve of double locking.

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. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. 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 existing butterfly valve can only control the on-off of the valve only through the control valve rod, when the valve rod breaks, the butterfly valve can be damaged and cannot work, so that the valve rod cannot be controlled to work doubly, the stability of the butterfly valve is reduced, and the practicability is lower.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a butterfly valve of double-locking to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides a butterfly valve of double locking, includes the valve body, the both ends of valve body all with the pipe connection, the inside of valve body is equipped with the dish board, the top and the valve rod one of dish board are connected, the bottom and the valve rod two of dish board are connected, run through on the top of valve rod one the valve body just extends to the outside of valve body, the top of valve body is equipped with the cover and locates the valve barrel of valve rod one, valve rod one with a handle swing joint, valve rod one through locking Assembly one with the valve barrel is connected, run through on the bottom of valve rod two the valve body just extends to the outside of valve body, the bottom and the heavy object piece of valve rod two are connected, the bottom of heavy object piece is connected with handle two, the heavy object piece through locking Assembly two with the valve body is connected.

Furthermore, the middle positions of two side edges of the disc plate are both provided with limiting beads, and the middle position of the inner wall of the valve body is provided with a limiting groove matched with the limiting beads.

Furthermore, the joint of the first valve rod and the valve body is connected through a first bearing, and the joint of the second valve rod and the valve body is connected through a second bearing.

Furthermore, a rotating groove matched with the first handle is formed in the top of the first valve rod, clamping blocks are symmetrically arranged on two sides of the bottom end of the first handle, and clamping grooves matched with the clamping blocks are symmetrically formed in the inner wall of the rotating groove.

Furthermore, the first locking assembly comprises a first threaded hole formed in the first valve rod, first threaded rods matched with the first threaded hole are symmetrically arranged on two sides of the valve sleeve, and the first threaded holes are provided with four groups.

Furthermore, the locking assembly II comprises two groups of threaded holes II arranged on the outer edge of the heavy object block, the axial lines of the two threaded holes II are perpendicular to each other, a fixed block is arranged at the bottom end of the valve body, and a threaded rod II matched with the threaded hole II is connected to the fixed block in a threaded manner.

Furthermore, steel balls are symmetrically arranged on two sides of the top end of the heavy object block, and sliding grooves matched with the steel balls are formed in the bottom end of the valve body.

The utility model has the advantages that: through the setting of valve rod one and valve rod two, the control dish board of being convenient for is rotatory for valve rod one has dual control valve body's switching with valve rod two, when valve rod one or valve rod two appear one the fracture, makes the valve body normally work, and then has improved the job stabilization nature and the practicality of valve body, and this design simple structure simultaneously, the operation is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a double-locking butterfly valve according to an embodiment of the present invention;

FIG. 2 is a plan view of a disk plate of a double-locking butterfly valve according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 1;

fig. 4 is an enlarged schematic view at B in fig. 1.

In the figure:

1. a valve body; 2. a pipeline; 3. a plate; 4. a first valve rod; 5. a second valve rod; 6. a limiting bead; 7. a limiting groove; 8. a valve housing; 9. a first handle; 10. a first bearing; 11. a first threaded hole; 12. a first threaded rod; 13. A rotating tank; 14. a clamping block; 15. a card slot; 16. a second bearing; 17. a heavy material block; 18. steel balls; 19. a second handle; 20. a second threaded hole; 21. a fixed block; 22. a second threaded rod; 23. a chute.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a butterfly valve of double-locking.

The first embodiment is as follows:

as shown in fig. 1 to 4, the double-locking butterfly valve according to the embodiment of the present invention includes a valve body 1, both ends of the valve body 1 are connected with the pipeline 2, a disc plate 3 is arranged inside the valve body 1, the top end of the disc plate 3 is connected with a first valve rod 4, the bottom end of the disc plate 3 is connected with a second valve rod 5, the top end of the first valve rod 4 penetrates through the valve body 1 and extends to the outside of the valve body 1, the top end of the valve body 1 is provided with a valve sleeve 8 sleeved on the valve rod I4, the valve rod I4 is movably connected with a handle I9, the first valve rod 4 is connected with the valve sleeve 8 through a first locking assembly, the bottom end of the second valve rod 5 penetrates through the valve body 1 and extends to the outside of the valve body 1, the bottom end of the second valve rod 5 is connected with a second heavy object block 17, the bottom end of the second heavy object block 17 is connected with a second handle 19, and the second heavy object block 17 is connected with the valve body 1 through a second locking assembly.

Example two:

as shown in fig. 1-4, the middle positions of the two side edges of the disc plate 3 are both provided with a limiting bead 6, the middle position of the inner wall of the valve body 1 is provided with a limiting groove 7 matched with the limiting bead 6, and obviously, the arrangement of the limiting bead 6 and the limiting groove 7 is convenient for rotating the disc plate 3 by ninety degrees, so that the limiting bead 6 is positioned in the limiting groove 7 to move, and the disc plate 3 is kept in a vertical state by deflection; 1-4, the joint of the first valve rod 4 and the valve body 1 is connected through a first bearing 10, and the joint of the second valve rod 5 and the valve body 1 is connected through a second bearing 16; as shown in fig. 1-4, a rotating groove 13 adapted to the first handle 9 is formed in the top of the first valve rod 4, two sides of the bottom end of the first handle 9 are symmetrically provided with clamping blocks 14, and clamping grooves 15 adapted to the clamping blocks 14 are symmetrically formed in the inner wall of the rotating groove 13, and it is obvious that the arrangement of the clamping blocks 14 and the clamping grooves 15 facilitates the first handle 9 to control the first valve rod 4 to rotate; as shown in fig. 1-4, the first locking assembly includes a first threaded hole 11 disposed on the first valve rod 4, two sides of the valve sleeve 8 are symmetrically provided with a first threaded rod 12 adapted to the first threaded hole 11, the first threaded hole 11 is provided with four groups, and the first threaded hole 11 and the first threaded rod 12 are provided to facilitate fixing of the first valve rod 4, further fixing of the disc plate 3, and completing the opening and closing of the valve body 1; as shown in fig. 1-4, the second locking assembly includes two threaded holes 20 disposed on the outer edge of the heavy object block 17, the two threaded holes 20 are arranged in two groups, the axial lines of the two threaded holes 20 are perpendicular to each other, a fixed block 21 is disposed at the bottom end of the valve body 1, a threaded rod two 22 adapted to the threaded hole two 20 is connected to the fixed block 21 in a threaded manner, and as can be seen from the above design, the fixed block 21, the threaded rod two 22 and the threaded hole two 20 are used for fixing the heavy object block 17 to fix the valve rod two 5, and finally, the valve body 1 is opened and closed; as shown in fig. 1-4, steel balls 18 are symmetrically arranged on two sides of the top end of the weight block 17, and a sliding groove 23 matched with the steel balls 18 is arranged at the bottom end of the valve body 1, so that the steel balls 18 and the sliding groove 23 obviously reduce friction force when the weight block 17 rotates.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, a worker connects the valve body 1 and the pipeline 2 through a flange, and then places the first handle 9 in the rotating groove 13, and simultaneously enables the clamping block 14 to be clamped in the clamping groove 15, and then the first handle 9 is rotated, so that the first handle 9 drives the first valve rod 4 to rotate ninety degrees, and further drives the disc plate 3 and the second valve rod 5 to rotate ninety degrees, and the worker extends the threaded rod one 12 into the threaded hole one 11 to fix the valve rod one 4, so that the valve body 1 is in an open state, meanwhile, a worker can rotate the second handle 19 to drive the heavy object block 17 to rotate by the second handle 19, and then the second valve rod 5 drives the disc plate 3 and the first valve rod 4 to rotate, and further a worker connects the second threaded rod 22 with the second threaded hole 20 to open the valve body 1, so that the first handle 9 or the second handle 19 can be rotated reversely when the valve body 1 is closed.

To sum up, with the help of the above technical scheme of the utility model, through valve rod one 4 and two 5 settings of valve rod, the control dish board 3 of being convenient for is rotatory for valve rod one 4 has dual control valve body 1's switching with two 5 of valve rod, when valve rod one 4 or two 5 of valve rod appear one fracture, makes valve body 1 normally work, and then has improved valve body 1's job stabilization nature and practicality, and this design simple structure is convenient for operate simultaneously.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The butterfly valve with double locking is characterized by comprising a valve body (1), wherein two ends of the valve body (1) are connected with a pipeline (2), a disc plate (3) is arranged inside the valve body (1), the top end of the disc plate (3) is connected with a first valve rod (4), the bottom end of the disc plate (3) is connected with a second valve rod (5), the top end of the first valve rod (4) penetrates through the valve body (1) and extends to the outside of the valve body (1), a valve sleeve (8) sleeved on the first valve rod (4) is arranged at the top end of the valve body (1), the first valve rod (4) is movably connected with a first handle (9), the first valve rod (4) is connected with the valve sleeve (8) through a first locking component, the bottom end of the second valve rod (5) penetrates through the valve body (1) and extends to the outside of the valve body (1), and the bottom end of the second valve rod (5) is connected with a heavy object block (17), the bottom end of the heavy object block (17) is connected with a second handle (19), and the heavy object block (17) is connected with the valve body (1) through a second locking assembly.

2. A double-locking butterfly valve according to claim 1, characterized in that a limiting bead (6) is arranged in the middle of each of the two sides of the disk (3), and a limiting groove (7) adapted to the limiting bead (6) is arranged in the middle of the inner wall of the valve body (1).

3. A double-locking butterfly valve according to claim 1, characterised in that the junction of the first valve stem (4) with the valve body (1) is connected by a first bearing (10), and the junction of the second valve stem (5) with the valve body (1) is connected by a second bearing (16).

4. The butterfly valve with double locking according to claim 1, wherein a rotating groove (13) matched with the first handle (9) is formed in the top of the first valve rod (4), clamping blocks (14) are symmetrically arranged on two sides of the bottom end of the first handle (9), and clamping grooves (15) matched with the clamping blocks (14) are symmetrically formed in the inner wall of the rotating groove (13).

5. A double-locking butterfly valve according to claim 1, characterised in that the first locking assembly comprises a first threaded hole (11) provided on the first valve stem (4), the first valve sleeve (8) is symmetrically provided with a first threaded rod (12) adapted to the first threaded hole (11) on both sides, and four sets of the first threaded holes (11) are provided.

6. The butterfly valve with double locking according to claim 1, wherein the second locking assembly comprises two second threaded holes (20) disposed on the outer edge of the heavy object block (17), the two second threaded holes (20) are arranged in two groups, the axial lines of the two second threaded holes (20) are perpendicular to each other, a fixed block (21) is disposed at the bottom end of the valve body (1), and a second threaded rod (22) matched with the second threaded hole (20) is connected to the fixed block (21) in a threaded manner.

7. The butterfly valve with double locking according to claim 1, wherein the steel balls (18) are symmetrically arranged on both sides of the top end of the heavy block (17), and the bottom end of the valve body (1) is provided with a sliding groove (23) matched with the steel balls (18).