CN215371021U

CN215371021U - Handle type butterfly valve

Info

Publication number: CN215371021U
Application number: CN202121783075.3U
Authority: CN
Inventors: 陈博静
Original assignee: Ningbo Boye Plastic Valve Co ltd
Current assignee: Ningbo Boye Plastic Valve Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2021-12-31
Anticipated expiration: 2031-08-02

Abstract

The utility model belongs to the technical field of butterfly valves, and particularly relates to a handle type butterfly valve which comprises a valve body, wherein a tooth plate is connected to the valve body through a bolt, a connecting pipe is rotatably connected to the inside of the valve body, a square block is fixedly connected to the upper end of the connecting pipe, a handle is bonded to the outer side of the square block, a limiting rod is hinged to the inside of the handle, a first spring is arranged on the limiting rod, and a driving rod is rotatably connected to the inside of the square block. According to the utility model, the connecting pipe, the stop rod, the screw rod and other structures are additionally arranged on the valve body, the valve plate is arranged inside the valve body through the clamping fit between the stop rod and the connecting groove on the valve plate, when the valve plate needs to be replaced, the screw rod is driven to rotate through rotating the driving rod, and the circular platform block is driven to be separated from the inclined plane block through the threaded fit between the screw rod and the threaded pipe, so that the stop rod is driven by the second spring to slide out of the inside of the connecting groove, and the valve plate can be conveniently detached.

Description

Handle type butterfly valve

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a handle type butterfly valve.

Background

The butterfly valve is also called a flap valve, is a regulating valve with simple structure, and can be used for the butterfly valve for the on-off control of low-pressure pipeline media, namely a closing member (a valve clack or a butterfly plate) is a disc and rotates around a valve shaft to achieve the opening and closing of the valve. Accordingly, there is a need for improvements in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a handle type butterfly valve, which solves the problem that a handle is easy to clamp and a valve plate is inconvenient to replace.

In order to achieve the purpose, the utility model provides the following technical scheme: a handle type butterfly valve comprises a valve body, wherein a tooth plate is connected to the valve body through a bolt, a connecting pipe is rotatably connected to the interior of the valve body, a square block is fixedly connected to the upper end of the connecting pipe, a handle is bonded to the outer side of the square block, a limiting rod is hinged to the interior of the handle, a first spring is arranged on the limiting rod, a driving rod is rotatably connected to the interior of the square block, a valve plate is clamped to the outer side of the connecting pipe, a sealing ring is fixedly connected to the outer side of the valve plate, a mounting plate is fixedly connected to the interior of the connecting pipe, a threaded pipe is fixedly connected to the interior of the mounting plate, a screw rod is connected to the interior of the threaded pipe through threads, a stop lever is slidably connected to the interior of the connecting pipe, a second spring is arranged on the outer side of the stop lever, a bevel block is fixedly connected to the stop lever, and a circular table block is fixedly connected to one end of the screw rod, the valve plate is provided with two symmetrically distributed connecting grooves, the lower end of the connecting pipe is fixedly connected with a valve rod, the connecting pipe is rotatably connected with the driving rod, the sealing ring is in contact with the valve body, and the handle is connected with an end cover in a clamping manner.

Preferably, the handle contacts with the tooth plate, the gag lever post with tooth plate joint.

Preferably, one end of the first spring is fixedly connected with the handle, and the other end of the first spring is fixedly connected with the limiting rod.

Preferably, the circular table block is in contact with the inclined plane block, and the screw is fixedly connected with the driving rod.

Preferably, the stop lever with spread groove sliding connection, the valve rod with valve plate swing joint, the valve rod with valve body swing joint.

Preferably, one end of the second spring is fixedly connected with the inclined plane block, and the other end of the second spring is fixedly connected with the connecting pipe.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the connecting pipe, the stop rod, the screw rod and other structures are additionally arranged on the valve body, the valve plate is arranged inside the valve body through the clamping fit between the stop rod and the connecting groove on the valve plate, when the valve plate needs to be replaced, the screw rod is driven to rotate through rotating the driving rod, and the circular platform block is driven to be separated from the inclined plane block through the threaded fit between the screw rod and the threaded pipe, so that the stop rod is driven by the second spring to slide out of the inside of the connecting groove, and the valve plate can be conveniently detached.

2. According to the utility model, the handle, the limiting rod and the spring are additionally arranged on the valve body, and the limiting rod is hinged in the handle, so that the palm of a worker cannot be extruded in the rotating process of the limiting rod, and the hand clamping of the device can be avoided in the using process.

Drawings

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

FIG. 2 is a top view of FIG. 1 of the present invention;

fig. 3 is an enlarged view of the structure of part a of fig. 1 according to the present invention.

In the figure: 1. a valve body; 2. a tooth plate; 3. a connecting pipe; 4. a square block; 5. a handle; 6. a limiting rod; 7. a first spring; 8. a drive rod; 9. a valve stem; 10. a valve plate; 11. a seal ring; 12. mounting a plate; 13. a threaded pipe; 14. a screw; 15. a stop lever; 17. a second spring; 18. a bevel block; 19. a round table block; 20. connecting grooves; 21. and (4) end covers.

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.

Referring to fig. 1-3, a handle type butterfly valve comprises a valve body 1, a tooth plate 2 is connected to the valve body 1 through a bolt, a connecting pipe 3 is rotatably connected to the inside of the valve body 1, a square block 4 is fixedly connected to the upper end of the connecting pipe 3, a handle 5 is bonded to the outer side of the square block 4, a limiting rod 6 is hinged to the inside of the handle 5, a first spring 7 is arranged on the limiting rod 6, a driving rod 8 is rotatably connected to the inside of the square block 4, a valve plate 10 is clamped to the outer side of the connecting pipe 3, a sealing ring 11 is fixedly connected to the outer side of the valve plate 10, a mounting plate 12 is fixedly connected to the inside of the connecting pipe 3, a threaded pipe 13 is fixedly connected to the inside of the mounting plate 12, a threaded rod 14 is connected to the inside of the threaded pipe 13 through a thread, a stop lever 15 is slidably connected to the inside of the connecting pipe 3, a second spring 17 is arranged on the outer side of the stop lever 15, a bevel block 18 is fixedly connected to the stop lever 15, the one end fixedly connected with round platform piece 19 of screw rod 14 has seted up two symmetric distribution's spread groove 20 on the valve plate 10, and the lower extreme fixedly connected with valve rod 9 of connecting pipe 3, connecting pipe 3 rotate with actuating lever 8 to be connected, and sealing ring 11 contacts with valve body 1, and the joint has end cover 21 on the handle 5.

Referring to fig. 1, a handle 5 contacts with a tooth plate 2, a limiting rod 6 is clamped with the tooth plate 2, and the limiting rod 6 is wrapped inside by the handle 5, so that hands can be prevented from being pinched when the handle is used.

Referring to fig. 1, one end of the first spring 7 is fixedly connected to the handle 5, the other end of the first spring 7 is fixedly connected to the limiting rod 6, and the first spring 7 can drive the limiting rod 6 to automatically reset through elastic force.

Referring to fig. 3, the circular truncated cone block 19 contacts the inclined block 18, the screw 14 is fixedly connected with the driving rod 8, and the circular truncated cone block 19 can drive the stop rod 15 to move through the inclined surface of the inclined block 18.

Referring to fig. 3, the stop rod 15 is slidably connected to the connecting groove 20, the valve rod 9 is movably connected to the valve plate 10, the valve rod 9 is movably connected to the valve body 1, and the valve plate 10 can be limited by the connecting groove 20 and the stop rod 15.

Referring to fig. 3, one end of the second spring 17 is fixedly connected to the inclined plane block 18, the other end of the second spring 17 is fixedly connected to the connection pipe 3, and the second spring 17 can drive the stop lever 15 to automatically disengage from the connection groove 20 by elastic force.

The specific implementation process of the utility model is as follows: when the angle of the valve plate 10 needs to be adjusted, one end of the limiting rod 6, which is far away from the tooth plate 2, is lifted upwards by a hand, the spring I7 is compressed, the other end of the limiting rod 6 rotates downwards when the one end of the limiting rod 6 is lifted, when the limiting rod 6 is separated from the tooth plate 2, the handle 5 can be rotated, the handle 5 drives the valve plate 10 to rotate through the square block 4, the connecting pipe 3 and the stop rod 15, after the valve plate is adjusted to a certain angle, the limiting rod 6 is loosened, the spring I7 is reset, the spring I7 drives the limiting rod 6 to be clamped on the tooth plate 2 through elasticity, because the limiting rod 6 is arranged inside the handle 5, the handle 5 can be prevented from clamping hands in the using process, when the valve plate 10 needs to be replaced, the end cover 21 is detached, then the driving rod 8 is rotated through the sharp-mouth clamp, the driving rod 8 drives the screw rod 14 to rotate, the screw rod 14 drives the circular platform block 19 to move through the thread fit between the screw rod and the threaded pipe 13, when round platform piece 19 upwards removed and breaks away from inclined plane piece 18, spring two 17 drives pin 15 through elasticity and follows the inside roll-off of spread groove 20, then pulling handle 5, handle 5 drives valve rod 9 and connecting pipe 3 through square piece 4 and upwards removes, alright take out valve rod 9 and connecting pipe 3 from the inside of valve plate 10, alright change valve plate 10 after valve rod 9 takes out.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A handle type butterfly valve comprises a valve body (1), wherein a tooth plate (2) is connected to the valve body (1) through a bolt, a connecting pipe (3) is connected to the valve body (1) in a rotating mode, a square block (4) is fixedly connected to the upper end of the connecting pipe (3), a handle (5) is bonded to the outer side of the square block (4), a limiting rod (6) is hinged to the inner portion of the handle (5), a first spring (7) is arranged on the limiting rod (6), a driving rod (8) is connected to the square block (4) in a rotating mode, a valve plate (10) is clamped to the outer side of the connecting pipe (3), a sealing ring (11) is fixedly connected to the outer side of the valve plate (10), a mounting plate (12) is fixedly connected to the inner portion of the connecting pipe (3), a threaded pipe (13) is fixedly connected to the inner portion of the mounting plate (12), and a screw rod (14) is connected to the inner portion of the threaded pipe (13) through a thread, the inside sliding connection of connecting pipe (3) has pin (15), the outside of pin (15) is provided with spring two (17), fixedly connected with inclined plane piece (18) are gone up in pin (15), the one end fixedly connected with round platform piece (19) of screw rod (14), spread groove (20) of two symmetric distributions are seted up on valve plate (10), the lower extreme fixedly connected with valve rod (9) of connecting pipe (3), connecting pipe (3) with actuating lever (8) rotate to be connected, sealing ring (11) with valve body (1) contact, the joint has end cover (21) on handle (5).

2. A handle butterfly valve according to claim 1, characterized in that: the handle (5) with tooth dental lamina (2) contact, gag lever post (6) with tooth dental lamina (2) joint.

3. A handle butterfly valve according to claim 1, characterized in that: one end of the first spring (7) is fixedly connected with the handle (5), and the other end of the first spring (7) is fixedly connected with the limiting rod (6).

4. A handle butterfly valve according to claim 1, characterized in that: the circular table block (19) is in contact with the inclined plane block (18), and the screw rod (14) is fixedly connected with the driving rod (8).

5. A handle butterfly valve according to claim 1, characterized in that: the stop lever (15) with spread groove (20) sliding connection, valve rod (9) with valve plate (10) swing joint, valve rod (9) with valve body (1) swing joint.

6. A handle butterfly valve according to claim 1, characterized in that: one end of the second spring (17) is fixedly connected with the inclined plane block (18), and the other end of the second spring (17) is fixedly connected with the connecting pipe (3).