CN217951415U

CN217951415U - Novel valve opening mechanism

Info

Publication number: CN217951415U
Application number: CN202221789738.7U
Authority: CN
Inventors: 齐建慧; 李东明
Original assignee: Tianjin Kaiji Valve Co ltd
Current assignee: Tianjin Kaiji Valve Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-12-02
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a novel valve opening mechanism, including valve body and threaded rod, the both ends integrated into one piece of valve body has the pipeline, the top rigid coupling of valve body has the top cap, the inside of valve body is provided with the valve clack, the handle is installed at the top of threaded rod, the outer wall of threaded rod is equipped with the spliced pole. The threaded rod can drive the valve clack when rotating and rise, this practicality is through the setting of spacing subassembly, can drive the stopper at the surperficial synchronous motion of gag lever post after the valve clack rises to compress the spring through the stopper, the valve clack rises after gradually and receives the elasticity of spring can increase, and then makes the friction increase between threaded rod and the screw hole, and then hinders the continuation rotation of handle, prevent to rotate the handle when in-service use and lead to the inside instantaneous flow of valve body too big, thereby the practicality when having improved the valve and using.

Description

Novel valve opening mechanism

Technical Field

The utility model relates to the technical field of valves, specifically be a novel valve opening mechanism.

Background

Valves are pipe fittings used for opening and closing pipes, controlling flow direction, regulating and controlling parameters (temperature, pressure and flow) of a conveying medium, and can be classified into shut-off valves, check valves, regulating valves and the like according to functions thereof, and the variety and specification of the valves are quite various from the simplest stop valves to various valves used in extremely complicated automatic control systems;

need rotate the handle when present valve is opened, but because the handle flow can crescent when starting the valve, rotate the handle very easily and lead to the inside instantaneous flow of valve too big when in-service use to practicality when having reduced the valve and using.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel valve opening mechanism obstructs the continuation rotation of handle through the setting of spacing subassembly to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a novel valve opening mechanism comprises a valve body and a threaded rod, wherein pipelines are integrally formed at two ends of the valve body, a top cover is fixedly connected to the top of the valve body, a valve clack is arranged inside the valve body, a handle is mounted at the top of the threaded rod, a connecting column is assembled on the outer wall of the threaded rod and is rotatably connected to the inside of the top cover, a threaded hole is formed in the top of the valve clack, the bottom of the threaded rod is in threaded connection with the inside of the threaded hole, and a limiting assembly is arranged inside the valve body;

the limiting assembly comprises a limiting block, a spring, a connecting portion and a cavity, the connecting portion are integrally formed on the inner wall of the pipeline, the cavity is formed in the surface of the connecting portion, the spring is fixedly connected to the inner wall of the cavity, the limiting block is welded to the side wall of the valve clack, the limiting block is clamped inside the cavity, and the bottom of the spring is fixedly connected to the top of the limiting block.

Preferably, the inner wall fixed mounting of cavity has the gag lever post, stopper sliding connection is in the surface of gag lever post, just the gag lever post sets up in the inside of spring.

Preferably, a movable cylinder is installed at the top of the valve clack, a fixed cylinder is arranged at the bottom of the top cover, and the fixed cylinder is inserted into the inner wall of the movable cylinder.

Preferably, the bottom of top cap is seted up and is held the chamber, the top rigid coupling of fixed cylinder in the top of holding the chamber, just the width that holds the chamber is the sum of the width of activity section of thick bamboo and fixed cylinder.

Preferably, the inner wall integrated into one piece of a movable section of thick bamboo has first flange, the outer wall integrated into one piece of solid fixed cylinder has the second flange, the inner wall laminating of first flange is in the outer wall of solid fixed cylinder, the outer wall laminating of second flange is in the inner wall of a movable section of thick bamboo.

Preferably, the surface of the connecting column is rotatably connected with a fixing part, and the fixing part is fixedly connected to the top of the top cover through a screw.

Compared with the prior art, the beneficial effects of the utility model are that:

the threaded rod can drive the valve clack when rotating and rise, this practicality is through the setting of spacing subassembly, can drive the stopper at the surperficial synchronous motion of gag lever post after the valve clack rises to compress the spring through the stopper, the valve clack rises gradually and receives the elasticity of spring can increase, and then makes the friction increase between threaded rod and the screw hole, and then hinders the continuation rotation of handle, prevents to rotate the handle when in-service use and leads to the inside instantaneous flow of valve body too big, thereby the practicality when the valve uses has been improved.

Drawings

Fig. 1 is a schematic view of the internal structure of the valve body of the present invention;

FIG. 2 is an enlarged schematic view of region A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the main structure of the movable cylinder and the fixed cylinder of the present invention.

In the figure: 1. a valve body; 2. a valve flap; 3. a pipeline; 4. a limiting block; 5. a cavity; 6. a threaded rod; 7. a connecting portion; 8. a top cover; 9. a handle; 10. a limiting rod; 11. a movable barrel; 12. a spring; 13. a threaded hole; 14. an accommodating chamber; 15. a fixed part; 16. connecting columns; 17. a fixed cylinder; 18. a first flange; 19. and a second rib.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a novel valve opening mechanism comprises a valve body 1 and a threaded rod 6;

the pipeline 3 is integrally formed at two ends of the valve body 1, the top of the valve body 1 is fixedly connected with the top cover 8, the valve clack 2 is arranged inside the valve body 1, the handle 9 is installed at the top of the threaded rod 6, the outer wall of the threaded rod 6 is provided with the connecting column 16, the connecting column 16 is rotatably connected inside the top cover 8, the top of the valve clack 2 is provided with a threaded hole 13, the bottom of the threaded rod 6 is in threaded connection with the inside of the threaded hole 13, and the inside of the valve body 1 is provided with the limiting component;

the limiting assembly comprises a limiting block 4, a spring 12, a connecting part 7 and a cavity 5, the connecting part 7 is integrally formed on the inner wall of the pipeline 3, the cavity 5 is formed in the surface of the connecting part 7, the spring 12 is fixedly connected to the inner wall of the cavity 5, the limiting block 4 is welded to the side wall of the valve clack 2, the limiting block 4 is clamped inside the cavity 5, and the bottom end of the spring 12 is fixedly connected to the top of the limiting block 4;

the inner wall of the cavity 5 is fixedly provided with a limiting rod 10, the limiting block 4 is connected to the surface of the limiting rod 10 in a sliding mode, the limiting rod 10 is arranged inside the spring 12, and the limiting rod 10 can limit the movement of the limiting block 4 and the compression process of the spring 12;

the top of the valve clack 2 is provided with a movable cylinder 11, the bottom of the top cover 8 is provided with a fixed cylinder 17, the fixed cylinder 17 is inserted into the inner wall of the movable cylinder 11, and when the valve clack 2 moves upwards, the movable cylinder 11 is driven to move on the outer wall of the fixed cylinder 17, so that the threaded rod 6 inside is protected from water;

the bottom of the top cover 8 is provided with an accommodating cavity 14, the top of the fixed cylinder 17 is fixedly connected to the top of the accommodating cavity 14, the width of the accommodating cavity 14 is the sum of the widths of the movable cylinder 11 and the fixed cylinder 17, and the movable cylinder 11 can be accommodated by the accommodating cavity 14, so that the valve clack 2 can move normally;

a first rib 18 is integrally formed on the inner wall of the movable barrel 11, a second rib 19 is integrally formed on the outer wall of the fixed barrel 17, the inner wall of the first rib 18 is attached to the outer wall of the fixed barrel 17, the outer wall of the second rib 19 is attached to the inner wall of the movable barrel 11, meanwhile, sealing strips are bonded on the contact surfaces of the first rib 18 and the second rib 19, the arrangement of the first rib 18 and the second rib 19 can increase the sealing performance between the fixed barrel 17 and the movable barrel 11, and the threaded rod 6 is prevented from being corroded by water;

the fixed part 15 is connected in the surperficial rotation of spliced pole 16, and fixed part 15 passes through the screw rigid coupling in the top of top cap 8, and the setting of fixed part 15 can be fixed spliced pole 16 to the normal rotation of threaded rod 6 is convenient for.

Rotate handle 9 when opening the valve, drive threaded rod 6 through handle 9 and rotate, threaded rod 6 can drive valve clack 2 when rotating and rise on the surface of threaded rod 6, valve clack 2 can drive stopper 4 when removing at the surface synchronous motion of gag lever post 10 this moment, and stopper 4 can compress spring 12, spring 12's elasticity can hinder valve clack 2 through stopper 4 and continue to remove this moment, make the friction increase between threaded rod 6 and the screw hole 13, and then hinder handle 9's continuation rotation, thereby prevent that handle 9 from rotating the head.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel valve opening mechanism, includes valve body (1) and threaded rod (6), its characterized in that: the pipeline limiting valve is characterized in that pipelines (3) are integrally formed at two ends of the valve body (1), a top cover (8) is fixedly connected to the top of the valve body (1), a valve flap (2) is arranged inside the valve body (1), a handle (9) is installed at the top of the threaded rod (6), a connecting column (16) is assembled on the outer wall of the threaded rod (6), the connecting column (16) is rotatably connected to the inside of the top cover (8), a threaded hole (13) is formed in the top of the valve flap (2), the bottom of the threaded rod (6) is in threaded connection with the inside of the threaded hole (13), and a limiting component is arranged inside the valve body (1);

spacing subassembly includes stopper (4), spring (12), connecting portion (7) and cavity (5), the inner wall integrated into one piece of pipeline (3) has connecting portion (7), cavity (5) have been seted up on the surface of connecting portion (7), the inner wall rigid coupling of cavity (5) has spring (12), the lateral wall welding of valve clack (2) has stopper (4), stopper (4) block is in the inside of cavity (5), just the bottom rigid coupling of spring (12) is in the top of stopper (4).

2. The novel valve opening mechanism of claim 1, wherein: the inner wall fixed mounting of cavity (5) has gag lever post (10), stopper (4) sliding connection is in the surface of gag lever post (10), just gag lever post (10) set up in the inside of spring (12).

3. A novel valve opening mechanism as claimed in claim 2, wherein: a movable cylinder (11) is installed at the top of the valve clack (2), a fixed cylinder (17) is arranged at the bottom of the top cover (8), and the fixed cylinder (17) is inserted into the inner wall of the movable cylinder (11).

4. A novel valve opening mechanism as claimed in claim 3, wherein: the bottom of top cap (8) has been seted up and has been held chamber (14), the top rigid coupling of fixed cylinder (17) is in the top that holds chamber (14), just the width that holds chamber (14) is the width sum of a movable section of thick bamboo (11) and fixed cylinder (17).

5. The novel valve opening mechanism of claim 4, wherein: the inner wall integrated into one piece of a movable section of thick bamboo (11) has first flange (18), the outer wall integrated into one piece of a fixed section of thick bamboo (17) has second flange (19), the inner wall laminating in the outer wall of a fixed section of thick bamboo (17) of first flange (18), the outer wall laminating in the inner wall of a movable section of thick bamboo (11) of second flange (19).

6. The novel valve opening mechanism of claim 1, wherein: the surface of spliced pole (16) rotates and is connected with fixed part (15), fixed part (15) pass through the top of screw rigid coupling in top cap (8).