CN212055921U

CN212055921U - Plunger type stop valve

Info

Publication number: CN212055921U
Application number: CN202020502481.7U
Authority: CN
Inventors: 李鑫
Original assignee: Jiangsu Xingyi Valve Co ltd
Current assignee: Jiangsu Xingyi Valve Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-12-01
Anticipated expiration: 2030-04-08

Abstract

The utility model relates to a stop valve technical field just discloses a plunger type stop valve, which comprises a valve body, the top of installation lid is provided with the screw thread post, the top of screw thread post is provided with the mounting panel, a filter screen section of thick bamboo is installed at the top of mounting panel, the intermediate position department of valve gap is provided with the threaded rod, the top welding of threaded rod has the hand wheel, the plunger body is installed through the connecting block to the tail end of threaded rod, the spout has been seted up to the even equidistance in surface of connecting block, the even equidistance welding in inside of valve gap has the slider, and the slider setting is in the. This plunger type stop valve, through setting up slider, connecting block and filter screen section of thick bamboo, make the utility model discloses have safeguard function and filtering capability, effectively improve the purity that liquid medium carried, and make things convenient for the timely clearance of staff to change, improve the functionality, simultaneously, effectively slow down the threaded rod and receive the effort that liquid medium strikes and bring, improve life.

Description

Plunger type stop valve

Technical Field

The utility model relates to a stop valve technical field specifically is a plunger type stop valve.

Background

The shut-off valve is also called a shut-off valve, and belongs to a forced sealing type valve, so when the valve is closed, pressure must be applied to the valve clack to force the sealing surface not to leak. When the medium enters the valve from the lower part of the valve clack, the resistance to be overcome by the operating force is the friction force between the valve rod and the packing and the thrust generated by the pressure of the medium, the force for closing the valve is larger than the force for opening the valve, so the diameter of the valve rod is larger, otherwise the failure of the valve rod buckling can occur. The connection mode is divided into three types: flange connection, screw thread connection and welding connection.

At present, plunger type stop valve is at the in-process that uses, can't carry out filtration treatment to the liquid medium that flows through, and then lead to at the in-process of carrying, the inside impurity of liquid medium can strike the inside of valve body under flowing, the damage rate of valve body has been accelerated, and can't improve the purity of carrying liquid medium, the practicality is low, simultaneously, the plunger realizes going up and down and cooperates the valve body to realize interrupting the transport under the drive of threaded rod, and liquid medium flows into the inside of valve body through the inlet under the transport of external pressure, can make the plunger receive the effort of pushing, and then drive the threaded rod and produce weak bending phenomenon, consequently, need improve it.

SUMMERY OF THE UTILITY MODEL

The utility model provides a plunger type stop valve, the advantage that possesses safeguard function and filtering capability has solved current plunger type stop valve at the in-process of actual transport, the inside impurity of liquid medium can strike the inside of valve body under flowing for the damage speed of valve body, influence life, simultaneously, because of the inside of liquid medium inflow valve body through the inlet under the transport of external pressure, can make the plunger receive the effort of pushing, and then drive the threaded rod and produce weak bending phenomenon.

The utility model provides a following technical scheme: the utility model provides a plunger type stop valve, includes the valve body, the bottom of valve body is provided with the through-hole, the inside of through-hole is provided with the installation lid, the top of installation lid is provided with the screw thread post, the top of screw thread post is provided with the mounting panel, a filter screen section of thick bamboo is installed at the top of mounting panel, the top of valve body is provided with the valve gap, the intermediate position department of valve gap is provided with the threaded rod, the top welding of threaded rod has the hand wheel, the plunger body is installed through the connecting block to the tail end of threaded rod, the spout has been seted up to the even equidistance in surface of connecting block, the even equidista.

Preferably, the bottom of the mounting cover is provided with a handle, and the middle position of the valve cover and the inside of the through hole are both provided with internal threads.

Preferably, the bottom of mounting panel is installed the gag lever post, spacing hole has been seted up at the top of screw thread post, and the front end setting of gag lever post is in the inside in spacing hole.

Preferably, the surface of the plunger body is provided with a groove, and a sealing gasket is arranged in the groove.

Preferably, the valve body is connected with the valve cover through a fixing bolt, and a fixing nut is sleeved outside the fixing bolt.

Preferably, the right side of the valve body is provided with a liquid inlet, and the left side of the valve body is provided with a liquid outlet.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this plunger type stop valve, through setting up slider and connecting block, can be convenient for the utility model discloses have protect function, effectively slow down the threaded rod and receive the effort that liquid medium strikes and bring, improve life, when using, the staff is through rotating the hand wheel, make the hand wheel drive the threaded rod and carry out the screw thread lift, and drive the connecting block and realize sharp lift along the slider, and simultaneously, when the inside liquid medium of valve body strikes the threaded rod through plunger body and connecting block, the accessible connecting block effectively reduces the threaded rod degree of curvature with setting up of slider, thereby realize safeguard function.

2. The plunger type stop valve has the advantages that the plunger type stop valve has the function of filtering liquid media by arranging the filter screen cylinder, the purity of liquid media conveying is effectively improved, meanwhile, the plunger type stop valve is convenient for workers to clean and replace timely, the functionality is improved, when the plunger type stop valve is used, when the liquid media flow to a liquid outlet, the liquid media can be filtered by the filter screen cylinder, filtered filter residues are remained in the filter screen cylinder, at the moment, the workers can rotate the handle by rotating the handle to enable the filter screen cylinder to rotate by the mounting cover belt and move the threaded column to be matched with the external threads on the inner wall of the through hole to realize thread lifting, the filter screen cylinder is convenient to take out from the inside of the valve body, the cleaned filter screen cylinder can be quickly clamped by inserting the limiting rod into the limiting hole, the assembled filter screen cylinder is inserted into the inside of the valve body from the through hole and rotates the mounting cover again, and (5) realizing installation.

Drawings

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

FIG. 2 is a schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a filter screen cartridge of the present invention;

FIG. 4 is a top view of the mounting cap of the present invention;

fig. 5 is a schematic view of the structure of the connection block of the present invention.

In the figure: 1. a valve body; 2. a valve cover; 3. a hand wheel; 4. a threaded rod; 5. fixing the bolt; 6. fixing a nut; 7. a plunger body; 8. a liquid inlet; 9. a through hole; 10. a liquid outlet; 11. a groove; 12. a gasket; 13. connecting blocks; 14. installing a cover; 15. mounting a plate; 16. a filter screen cylinder; 17. a threaded post; 18. a handle; 19. a limiting rod; 20. a limiting hole; 21. a slider; 22. a chute.

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. 1-5, a plunger stop valve comprises a valve body 1, a liquid inlet 8 is arranged on the right side of the valve body 1, a liquid outlet 10 is arranged on the left side of the valve body 1, a through hole 9 is arranged at the bottom of the valve body 1, an installation cover 14 is arranged inside the through hole 9, a handle 18 is arranged at the bottom of the installation cover 14, a threaded column 17 is arranged at the top of the installation cover 14, an installation plate 15 is arranged at the top of the threaded column 17, a limiting rod 19 is arranged at the bottom of the installation plate 15, a limiting hole 20 is arranged at the top of the threaded column 17, the front end of the limiting rod 19 is arranged inside the limiting hole 20, so that a worker can conveniently insert the limiting rod 19 into the limiting hole 20 to fix the limiting installation plate 15 and conveniently clamp the filter screen cylinder 16, a filter screen cylinder 16 is arranged at the top of the installation plate 15, a valve cover 2 is arranged at the top of, the valve body 1 and the valve cover 2 are connected through a fixing bolt 5, a fixing nut 6 is sleeved outside the fixing bolt 5, can be convenient for realizing the fixed installation of the valve body 1 and the valve cover 2 through the fixed bolt 5 and the fixed bolt 6, the threaded rod 4 is arranged at the middle position of the valve cover 2, the hand wheel 3 is welded at the top end of the threaded rod 4, the plunger body 7 is arranged at the tail end of the threaded rod 4 through the connecting block 13, the bearing is arranged at the connecting part of the threaded rod 4 and the connecting block 13, and then the connecting block 13 can realize linear lifting under the drive of the threaded rod 4, the surface of the plunger body 7 is provided with a groove 11, the inside of the groove 11 is provided with a sealing gasket 12, can be convenient for seal the gap between plunger body 7 and the 1 inner wall of valve body through sealed 12, spout 22 has been seted up to the even equidistance in surface of connecting block 13, and the even equidistance welding in inside of valve gap 2 has slider 21, and slider 21 sets up the inside at spout 22.

During operation, the staff will the utility model discloses carry out fixed mounting, and then when liquid medium gets into valve body 1 inside through inlet 8, staff's accessible rotates hand wheel 3, make hand wheel 3 drive threaded rod 4 in the pivoted and rotate, and cooperate the external screw thread of 2 intermediate position departments of valve gap, realize the screw thread and go up and down, thereby make connecting block 13 drive plunger body 7 and realize sharp lift, make things convenient for liquid medium to flow through the liquid outlet 10 of 7 one sides of plunger body, and simultaneously, liquid medium is when flowing to liquid outlet 10, can carry out filtration through filter screen section of thick bamboo 16, guarantee liquid medium's purity.

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. A plunger type stop valve comprises a valve body (1), and is characterized in that: the bottom of the valve body (1) is provided with a through hole (9), an installation cover (14) is arranged inside the through hole (9), the top of the mounting cover (14) is provided with a threaded column (17), the top of the threaded column (17) is provided with a mounting plate (15), a filter screen cylinder (16) is arranged at the top of the mounting plate (15), a valve cover (2) is arranged at the top of the valve body (1), a threaded rod (4) is arranged in the middle of the valve cover (2), a hand wheel (3) is welded at the top end of the threaded rod (4), the tail end of the threaded rod (4) is provided with a plunger body (7) through a connecting block (13), spout (22) have been seted up to the even equidistance in surface of connecting block (13), the even equidistance welding in inside of valve gap (2) has slider (21), and slider (21) sets up the inside at spout (22).

2. The plunger-type shut-off valve as in claim 1, wherein: the bottom of the mounting cover (14) is provided with a handle (18), and the middle position of the valve cover (2) and the inside of the through hole (9) are both provided with internal threads.

3. The plunger-type shut-off valve as in claim 1, wherein: stop lever (19) are installed to the bottom of mounting panel (15), spacing hole (20) have been seted up at the top of screw thread post (17), and the front end setting of stop lever (19) is in the inside in spacing hole (20).

4. The plunger-type shut-off valve as in claim 1, wherein: a groove (11) is formed in the surface of the plunger body (7), and a sealing gasket (12) is arranged in the groove (11).

5. The plunger-type shut-off valve as in claim 1, wherein: the valve body (1) is connected with the valve cover (2) through a fixing bolt (5), and a fixing nut (6) is sleeved outside the fixing bolt (5).

6. The plunger-type shut-off valve as in claim 1, wherein: the right side of the valve body (1) is provided with a liquid inlet (8), and the left side of the valve body (1) is provided with a liquid outlet (10).