CN214404911U

CN214404911U - Valve core pull rod convenient to disassemble

Info

Publication number: CN214404911U
Application number: CN202023254560.XU
Authority: CN
Inventors: 张卫东; 陈路路
Original assignee: Suzhou Hannos Automation Equipment Co ltd
Current assignee: Suzhou Hannos Automation Equipment Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-15
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a case pull rod convenient to dismantle, including the pull rod body, the relative upper end periphery of pull rod body is provided with adjusting bolt, and the adjusting bolt upper end is provided with the locking nut mechanism, and adjusting bolt lower extreme fixed mounting has last spring holder, goes up the spring holder lower extreme and is provided with purpose-built spring, and purpose-built spring lower extreme is provided with down the spring holder, and the pull rod body runs through spring holder, purpose-built spring and lower spring holder, and lower spring holder lower extreme is provided with the guide bar. This experiment is novel through setting up adjusting bolt, nut body, catch, lock dead screw, convenient and fast no longer uses the valve rod structure of integral type, still can guarantee the stability of case pull rod, has left away traditional dismantlement mode, has alleviateed the burden for the staff, has alleviateed case pull rod and valve rod end wearing and tearing in daily use simultaneously through setting up valve rod end, trip, buckle, has reduced the use cost of device, and is simple high-efficient.

Description

Valve core pull rod convenient to disassemble

Technical Field

The utility model relates to the technical field of valves, especially, relate to a case pull rod convenient to dismantle.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, and controlling and adjusting parameters of a required conveying medium, and the pull rod is a part used for connecting a nut and a valve core of the valve, and is a part used for transmitting torque to drive the valve core to move so as to close or open a sealing port and further control fluid in the valve body.

When current valve rod is dismantling, because the spare part of valve is more, need will be located each spare part on it and dismantle one by one, just can accomplish the dismantlement to the valve rod, comparatively inconvenient, because the long-term work under comparatively abominable environment of valve rod produces the damage easily, so need carry out daily maintenance and maintenance to the valve rod, and traditional integral type valve rod often is unfavorable for staff's work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a valve core pull rod convenient to disassemble.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a case pull rod convenient to dismantle, includes the pull rod body, the relative upper end periphery of pull rod body is provided with adjusting bolt, the adjusting bolt upper end is provided with locking nut mechanism, adjusting bolt lower extreme fixed mounting has last spring holder, it is provided with purpose-built spring to go up the spring holder lower extreme, purpose-built spring lower extreme is provided with down the spring holder, the pull rod body runs through go up the spring holder purpose-built spring with down the spring holder, the spring holder lower extreme is provided with the guide bar down, be provided with the bellows around the guide bar outside, pull rod body lower extreme is provided with the valve rod end, valve rod end lower extreme is provided with the piston.

Preferably, the pull rod body is provided with a thread section corresponding to the upper end of the locking nut mechanism, and the pull rod body is connected with a valve rod nut through the thread section.

Preferably, the locking nut mechanism comprises a nut body, a locking ring is arranged inside the nut body, and a locking screw is connected to one side of the nut body through a thread.

Preferably, a plurality of buckles are arranged inside the end head of the valve rod, and the pull rod body is located on the outer wall inside the end head of the valve rod and provided with a plurality of hooks.

Preferably, the number of the buckles and the hooks is the same, and the shapes of the buckles and the hooks are relatively complementary.

Preferably, the locking ring is in a shape of a notched ring and is tightly attached to the locking screw.

The utility model discloses following beneficial effect has:

1. through setting up adjusting bolt, nut body, catch, lock dead screw, when the valve rod was installed, at first run through the nut body with the case pull rod, because the catch sets up to the breach annular, can be fixed the case pull rod through adjusting the lock dead screw, convenient and fast no longer uses the valve rod structure of integral type, still can guarantee the stability of case pull rod, when needing to dismantle, can dismantle the valve rod through adjusting the lock dead screw, has do not had traditional dismantlement mode, has lightened the burden for the staff.

2. Through setting up the valve rod end, the trip, the buckle, when the installation of needs valve rod, through set up the buckle in the valve rod end, set up the trip on the case pull rod, and the shape is complementary relatively, arrange the case pull rod in the valve rod end, rotate valve rod and valve rod end, realize the joint, and then fixed case pull rod and valve rod end, the wearing and tearing of case pull rod and valve rod end in daily use have been alleviateed, the use cost of device has been reduced, during the dismantlement, only need to rotate case pull rod and valve rod end relatively, just can accomplish the dismantlement, it is simple high-efficient.

Drawings

Fig. 1 is a schematic structural view of a valve core pull rod convenient to disassemble according to the present invention;

fig. 2 is a schematic structural diagram of a locking nut mechanism provided by the present invention;

fig. 3 is a schematic structural view of a hook on the valve rod according to the present invention;

fig. 4 is the utility model provides an inside schematic structure of valve rod end.

In the figure: 1. a pull rod body; 2. adjusting the bolt; 3. a bellows; 4. an upper spring seat; 5. specially manufacturing a spring; 6. a lower spring seat; 7. a valve stem end; 8. a valve stem nut; 9. a nut locking mechanism; 901. a nut body; 902. a locking ring; 903. locking the screw; 10. a guide bar; 11. a piston; 12. a hook is clamped; 13. buckling; 14. a threaded segment.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a valve core pull rod convenient to dismantle, including pull rod body 1, pull rod body 1 is provided with adjusting bolt 2 in the relative upper end periphery, adjusting bolt 2 upper end is provided with lock nut mechanism 9, lock nut mechanism 9 includes nut body 901, the inside catch 902 that is provided with of nut body 901, nut body 901 one side runs through threaded connection has lock screw 903, when the valve rod is installed, at first run through nut body 901 with the valve rod, because catch 902 sets up to the breach annular, can be through adjusting lock screw 903, adjust the bore of catch 902, fix pull rod body 1.

An upper spring seat 4 is fixedly arranged at the lower end of the adjusting bolt 2, a specially-made spring 5 is arranged at the lower end of the upper spring seat 4, and a lower spring seat 6 is arranged at the lower end of the specially-made spring 5.

Pull rod body 1 runs through upper spring seat 4, purpose-built spring 5 and

lower spring seat

6, 6 lower extremes of lower spring seat are provided with guide bar 10, be provided with bellows 3 around the guide bar 10 outside, 1 lower extreme of pull rod body is provided with

valve rod end

7, 7 inside a plurality of buckles 13 that are provided with of valve rod end, pull rod body 1 is located 7 inside outer walls of valve rod end and is provided with a plurality of trips 12, buckle 13 and trip 12's quantity is the same, and buckle 13's shape is complementary relatively with trip 12's shape, can install through the pivoted mode, and is convenient and fast.

The lower end of the valve rod end 7 is provided with a piston 11, the piston 11 is used for regulating and controlling the position of the valve core, and the content provided by the experiment is not related, so that the repeated description is not needed.

The pull rod body 1 is provided with a threaded section 14 relative to the upper end of the locking nut mechanism 9, and the pull rod body 1 is in threaded connection with a valve rod nut 8 through the threaded section 14.

The locking ring 902 is in the shape of a notched ring and is tightly attached to the locking screw 903.

The utility model discloses in, when needs are dismantled pull rod body 1, at first adjust the dead screw 903 of lock, through rotating the dead screw 903 of lock, make catch 902 radius grow, then rotate pull rod body 1, pull rod body 1 is located the inside trip 12 of valve rod end 7, and with the no longer joint of 7 inside buckles 13 of valve rod end, then take pull rod body 1 out in the device.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A valve core pull rod convenient to disassemble comprises a pull rod body (1) and is characterized in that, an adjusting bolt (2) is arranged on the periphery of the upper end of the pull rod body (1), a locking nut mechanism (9) is arranged at the upper end of the adjusting bolt (2), an upper spring seat (4) is fixedly arranged at the lower end of the adjusting bolt (2), a special spring (5) is arranged at the lower end of the upper spring seat (4), a lower spring seat (6) is arranged at the lower end of the special spring (5), the pull rod body (1) penetrates through the upper spring seat (4), the special spring (5) and the lower spring seat (6), the lower end of the lower spring seat (6) is provided with a guide rod (10), the periphery of the outer side of the guide rod (10) is provided with a corrugated pipe (3), the lower end of the pull rod body (1) is provided with a valve rod end head (7), and the lower end of the valve rod end head (7) is provided with a piston (11).

2. The valve core pull rod convenient to disassemble according to claim 1, wherein the pull rod body (1) is provided with a threaded section (14) opposite to the upper end of the locking nut mechanism (9), and the pull rod body (1) is in threaded connection with a valve rod nut (8) through the threaded section (14).

3. The valve core pull rod convenient to disassemble according to claim 1, wherein the locking nut mechanism (9) comprises a nut body (901), a locking ring (902) is arranged inside the nut body (901), and a locking screw (903) is connected to one side of the nut body (901) in a penetrating and threaded mode.

4. The valve core pull rod convenient to disassemble according to claim 1, wherein a plurality of buckles (13) are arranged inside the valve rod end head (7), and a plurality of hooks (12) are arranged on the outer wall of the pull rod body (1) positioned inside the valve rod end head (7).

5. A valve core pull rod convenient for disassembly as claimed in claim 4, wherein the number of the catches (13) and the catches (12) is the same, and the shape of the catches (13) is relatively complementary to the shape of the catches (12).

6. The valve core pull rod convenient to disassemble according to claim 3, wherein the locking ring (902) is in a shape of a notch ring and is tightly attached to the locking screw (903).