CN216344277U

CN216344277U - Remote-control double-speed regulation hydraulic slow-closing hard sealing gate valve

Info

Publication number: CN216344277U
Application number: CN202123070064.3U
Authority: CN
Inventors: 帅华新; 刘云翔
Original assignee: Chongqing Gute Enshi Water Supply And Drainage Equipment Co ltd
Current assignee: Chongqing Gute Enshi Water Supply And Drainage Equipment Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-04-19
Anticipated expiration: 2031-12-08

Abstract

The utility model discloses a remote control double-speed regulation hydraulic slow-closing hard sealing gate valve, which comprises a valve body, wherein the edge side of the top end of the valve body is fixedly connected with the edge side of the bottom end of a middle cover through a plurality of mounting bolts, the edge side of the top end of the middle cover is fixedly connected with the edge side of the bottom end of a cylinder seat through a plurality of mounting bolts, the top of the cylinder seat is provided with a connecting disc, the middle part of the top end of the connecting disc is fixedly provided with a slow-closing sealing cylinder, the inner wall of the slow-closing sealing cylinder is sleeved with the outer wall of a slow-closing piston, the slow-closing piston is connected with a lower valve rod, rubber connected with the lower valve rod is connected with a connecting nut connected with an upper valve rod, when the gate valve is used, the piston ring acts on the slow-closing piston through a second interface, the slow-closing piston can move to act on the rubber piston ring, friction can be effectively reduced, and the water hammer effect of liquid can be eliminated by the slow-closing piston instead of a spring, realize the function that the double speed was adjusted, increase the life of gate valve, guarantee personnel's use.

Description

Remote-control double-speed regulation hydraulic slow-closing hard sealing gate valve

Technical Field

The utility model relates to the technical field of hydraulic gate valves, in particular to a remote control double-speed regulation hydraulic slow-closing hard sealing gate valve.

Background

The hard sealing gate valve can only realize full opening and full closing, the opening and closing part is a flashboard, the pipeline can not be adjusted and throttled, and the hydraulic gate valve utilizes the self water pressure of the pipeline to open and close the valve.

And current gate valve is because of its valve rod is carved and is established the screw thread, and the gate valve can not self-closing after the outage, needs the manual regulation, and traditional gate valve that surges all is to carry out the buffering through the spring and eliminates the water hammer, and the spring is because of taking place deformation for a long time, leads to spring life to reduce, is unfavorable for personnel's use, consequently need provide one kind and control the double speed regulation slowly hard seal gate valve that surges far away, and this production technology only is fit for the Z41H standard.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a remote control double-speed regulation hydraulic slow-closing hard seal gate valve to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: remote control double speed is adjusted and is surged slowly hard sealing gate valve that closes, including the valve body, the avris on valve body top is through the avris fixed connection of a plurality of construction bolts and well lid bottom, the avris on well lid top is through the avris fixed connection of a plurality of construction bolts and cylinder block bottom, the top of cylinder block is equipped with the connection pad, the fixed sealed section of thick bamboo that closes in middle part on connection pad top, the inner wall that slowly closes sealed section of thick bamboo cup joints with the outer wall that slowly closes the piston, the inner wall that slowly closes the piston cup joints with the top of lower valve rod outer wall, the bottom of lower valve rod and the middle part fixed connection on flashboard top.

Preferably, the avris on connection pad top is through the avris fixed connection of a plurality of mounting bolts and cylinder body bottom, the avris on cylinder body top is through the avris fixed connection of a plurality of mounting bolts and cylinder cap bottom.

Preferably, the inner wall of the cylinder body is inserted with a rubber piston ring, and the middle part of the bottom end of the rubber piston ring is fixedly connected with the top end of the lower valve rod.

Preferably, the middle part of the top end of the rubber piston ring is fixedly provided with a connecting nut, and the inner wall of the connecting nut is in threaded connection with the bottom of the outer wall of the upper valve rod.

Preferably, one side of the cylinder cover is provided with a first interface, the first interface is fixedly communicated with one port of the two-position five-way valve through a connecting pipe, and the other ports of the two-position five-way valve are fixedly communicated with a second interface arranged on one side of the connecting disc through connecting pipes.

Preferably, through holes formed in two ends of one side of the valve body are respectively and fixedly communicated with two ports of the three-way pipe, the other port of the three-way pipe is fixedly communicated with the bottom end of the switch valve, and the top end of the switch valve is fixedly communicated with the other port of the two-position five-way valve through a connecting pipe.

The utility model has the technical effects and advantages that:

(1) a slow-closing piston is sleeved in a slow-closing sealing cylinder connected through a connecting disc, the slow-closing piston is connected with a lower valve rod, a rubber piston ring connected with the lower valve rod is connected with a connecting nut connected with an upper valve rod, when the gate valve is used, the slow-closing piston acts on the slow-closing piston through a second interface, the slow-closing piston can move to act on the rubber piston ring, friction can be effectively reduced, the slow-closing piston replaces a spring to eliminate the water hammer effect of liquid, the double-speed adjusting function is realized, the service life of the gate valve is prolonged, and the use of personnel is guaranteed;

(2) through coupling nut and the last valve rod threaded connection on the connection pad, lower valve rod and rubber piston ring connection, the first interface intercommunication that two-position five-way valve was seted up through connecting pipe and cylinder cap, and the second interface intercommunication that two-position five-way valve was seted up through connecting pipe and connection pad, and the ooff valve that two-position five-way valve is connected communicates with the three-way pipe that the valve body is connected, can realize being controlled the gate valve by two-position five-way valve, treats that it can self-closing after the outage, need not personnel and adjusts.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic diagram of the structure of the connecting pad of the present invention.

In the figure: 1. a valve body; 2. a connecting disc; 3. a middle cover; 4. a cylinder base; 5. a cylinder body; 6. a cylinder cover; 7. an upper valve stem; 8. a three-way pipe; 9. an on-off valve; 10. a two-position five-way valve; 11. a connecting nut; 12. a rubber piston ring; 13. a lower valve stem; 14. slowly closing the piston; 15. a shutter plate; 16. a first interface; 17. a second interface; 18. slowly closing the sealing cylinder.

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.

The utility model provides a remote control double-speed regulation hydraulic slow-closing hard sealing gate valve as shown in figures 1-3, which comprises a valve body 1, wherein the edge side of the top end of the valve body 1 is fixedly connected with the edge side of the bottom end of a middle cover 3 through a plurality of mounting bolts, the edge side of the top end of the middle cover 3 is fixedly connected with the edge side of the bottom end of a cylinder seat 4 through a plurality of mounting bolts, the top of the cylinder seat 4 is provided with a connecting disc 2, the middle part of the top end of the connecting disc 2 is fixedly provided with a slow-closing sealing cylinder 18, the inner wall of the slow-closing sealing cylinder 18 is sleeved with the outer wall of a slow-closing piston 14, the inner wall of the slow-closing piston 14 is sleeved with the top of the outer wall of a lower valve rod 13, the bottom end of the lower valve rod 13 is fixedly connected with the middle part of the top end of a flashboard 15, the edge side of the top end of the connecting disc 2 is fixedly connected with the edge side of the bottom end of a cylinder body 5 through a plurality of mounting bolts, the edge side of the top end of the cylinder body 5 is fixedly connected with the edge side of the bottom end of a cylinder cover 6 through a plurality of mounting bolts, the inner wall of the cylinder body 5 is inserted with a rubber piston ring 12, the middle part of the bottom end of the rubber piston ring 12 is fixedly connected with the top end of the lower valve rod 13;

as shown in fig. 1 and 2, a connecting nut 11 is fixedly arranged in the middle of the top end of the rubber piston ring 12, the inner wall of the connecting nut 11 is in threaded connection with the bottom of the outer wall of the upper valve rod 7, a first connector 16 is arranged on one side of the cylinder cover 6, the first connector 16 is fixedly communicated with one port of the two-position five-way valve 10 through a connecting pipe, the other ports of the two-position five-way valve 10 are fixedly communicated with a second connector 17 arranged on one side of the connecting disc 2 through a connecting pipe, through holes arranged at two ends of one side of the valve body 1 are respectively fixedly communicated with two ports of the three-way pipe 8, the other port of the three-way pipe 8 is fixedly communicated with the bottom end of the switch valve 9, and the top end of the switch valve 9 is fixedly communicated with the other port of the two-position five-way valve 10 through a connecting pipe.

The working principle of the utility model is as follows: when the gate valve is used, the valve body is controlled through the two-position five-way valve 10, if the gate valve needs to be opened, water enters through the second interface 17, the first interface 16 is used for discharging water in the cylinder body 5 through the two-position five-way valve 10, the second interface 17 is communicated with the slow-closing sealing cylinder 18, the slow-closing piston 14 moves upwards for a section, the slow-closing piston 14 moves on the lower valve rod 13, the slow-closing piston 14 moves to the top and then acts on the rubber piston ring 12, after the water is filled between the cylinder body 5 and the rubber piston ring 12, the rubber piston ring 12 moves upwards to drive the lower valve rod 13 to drive the gate plate 15 to move upwards, meanwhile, the connecting nut 11 connected with the rubber piston ring 12 is connected with the upper valve rod 7, the upper valve rod 7 moves upwards to open the valve body 1, when the gate valve is closed, the water enters through the two-position five-way valve 10, the first interface 16 is filled into an upper cavity formed by the cylinder body 5 and the rubber 12, the second interface 17 is controlled through the two-position five-way valve 10, can be with the water discharge in the lower cavity that cylinder body 5 and rubber piston ring 12 formed, rubber piston ring 12 moves down, and rubber piston ring 12 moves the bottom after, slowly closes piston 14 and moves down to the bottom again, can effectively eliminate the water hammer effect, and reduces the friction, increases the life of gate valve.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used by the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.

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. Remote control double speed is adjusted and is surged slowly closed hard seal gate valve, including valve body (1), its characterized in that: the avris on valve body (1) top is through the avris fixed connection of a plurality of construction bolts and well lid (3) bottom, the avris on well lid (3) top is through the avris fixed connection of a plurality of construction bolts and cylinder base (4) bottom, the top of cylinder base (4) is equipped with connection pad (2), the middle part on connection pad (2) top is fixed and is equipped with slowly to close sealed section of thick bamboo (18), slowly close the inner wall of sealed section of thick bamboo (18) and slowly close the outer wall of piston (14) and cup joint, slowly close the inner wall of piston (14) and cup joint with the top of lower valve rod (13) outer wall, the bottom of lower valve rod (13) and the middle part fixed connection on flashboard (15) top.

2. The remote-control double-speed adjusting hydraulic slow-closing hard seal gate valve according to claim 1, characterized in that: the avris on connection pad (2) top is through the avris fixed connection of a plurality of construction bolts and cylinder body (5) bottom, the avris on cylinder body (5) top is through the avris fixed connection of a plurality of construction bolts and cylinder cap (6) bottom.

3. The remote-control double-speed adjusting hydraulic slow-closing hard seal gate valve as claimed in claim 2, characterized in that: the inner wall of the cylinder body (5) is provided with a rubber piston ring (12) in an inserting mode, and the middle of the bottom end of the rubber piston ring (12) is fixedly connected with the top end of the lower valve rod (13).

4. The remote-control double-speed adjusting hydraulic slow-closing hard seal gate valve as claimed in claim 3, characterized in that: the middle part of the top end of the rubber piston ring (12) is fixedly provided with a connecting nut (11), and the inner wall of the connecting nut (11) is in threaded connection with the bottom of the outer wall of the upper valve rod (7).

5. The remote-control double-speed adjusting hydraulic slow-closing hard seal gate valve as claimed in claim 2, characterized in that: a first interface (16) is arranged on one side of the cylinder cover (6), the first interface (16) is fixedly communicated with one port of the two-position five-way valve (10) through a connecting pipe, and other ports of the two-position five-way valve (10) are fixedly communicated with a second interface (17) arranged on one side of the connecting disc (2) through connecting pipes.

6. The remote-control double-speed adjusting hydraulic slow-closing hard seal gate valve according to claim 5, characterized in that: through holes formed in two ends of one side of the valve body (1) are respectively and fixedly communicated with two ports of the three-way pipe (8), the other port of the three-way pipe (8) is fixedly communicated with the bottom end of the switch valve (9), and the top end of the switch valve (9) is fixedly communicated with the other port of the two-position five-way valve (10) through a connecting pipe.