CN218510254U

CN218510254U - Pipeline wafer formula check valve for boats and ships

Info

Publication number: CN218510254U
Application number: CN202222474296.3U
Authority: CN
Inventors: 张永侨; 孙非非
Original assignee: Third Institute of Oceanography MNR
Current assignee: Third Institute of Oceanography MNR
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-02-21
Anticipated expiration: 2032-09-19

Abstract

The utility model discloses a pipeline wafer formula check valve for boats and ships, which comprises a valve body, be equipped with the water inlet in the bottom of valve body, be equipped with the valve clack in the valve body, be equipped with the valve rod on the valve clack, be equipped with the spring outside the valve rod, upper portion at the valve body is equipped with the support, be equipped with the guide cylinder on the support, be equipped with the slide rail on the guide cylinder inner wall, be equipped with the slider on the slide rail, guide rod fixed connection is on the slider, the support includes the support body, the set-square, be equipped with the through-hole at the set-square middle part, the valve body is connected through the screw rod with the support, it is convenient to dismantle the change, be equipped with annular valve gap bottom the valve body, be equipped with the chamber that holds with valve clack looks adaptation at the valve gap inner wall, adopt to hold the chamber structure and can improve leakproofness and live time, be equipped with the rubber circle at the valve gap lateral wall, can further increase the leakproofness, adopt the guide rail, the structure of slider shares the valve rod atress, the effect of direction has been played simultaneously, prevent that the valve rod is out of shape, the life of check valve rod has been prolonged.

Description

Pipeline wafer formula check valve for boats and ships

Technical Field

The utility model relates to a check valve technical field specifically is a pipeline wafer formula check valve for boats and ships.

Background

The check valve is a device for preventing water flow from reversely flowing on a pipeline, the wafer type check valve is widely used in pipelines of industries such as chemical engineering, liquefied petroleum gas, tap water, ship pipelines and the like due to short structure length, easy manufacture and low price, utilizes water flow acting force to complete opening and closing of a valve clack, belongs to an automatic control valve, a power pipeline of a ship, and uses a large number of check valves on a system pipeline.

Patent CN2016208878517 discloses a take guide bar formula to easily install and to pressing from both sides check valve, the delivery port on be equipped with the disk seat, the disk seat positive position be equipped with spacing hole and elastic component, the runner in be located water inlet department and be equipped with the boss, the boss on be equipped with the valve clack, valve clack and boss form sealed vice, valve clack positive position be equipped with the gag lever post, the gag lever post run through spacing hole and elastic component, delivery port and water inlet between the runner inner wall adopt the circular arc excessive. The double-clamp check valve also has the problems that the valve rod is easy to incline and deform, and the service life is short.

Disclosure of Invention

Not enough to above-mentioned prior art exists, the utility model provides a pipeline wafer formula check valve for boats and ships avoids the inhomogeneous valve rod that leads to of valve clack atress to warp, and the poor problem of leakproofness is avoided to the problem that life is short.

In order to solve the technical problem, the utility model discloses the technical scheme who takes is, a pipeline wafer formula check valve for boats and ships, including the inside valve body that is equipped with the valve pocket, be equipped with the water inlet in the bottom of valve body, be equipped with the valve clack in the valve body, be equipped with the valve rod on the valve clack, be equipped with the spring outside the valve rod, be equipped with the support on the upper portion of valve body, be equipped with a plurality of guider of being connected with the valve clack on the support, guider includes a plurality of guide cylinders of setting on the support to and set up a plurality of and guide cylinder inner wall sliding connection's guide bar on the valve clack.

And the sliding assembly comprises a sliding rail arranged on the inner wall of the guide cylinder, the sliding assembly is matched with the sliding rail, and the guide rod is fixedly connected to the sliding block.

Further, the guide cylinder is a square cylinder, and sliding assemblies are arranged on the inner walls of the square cylinder.

Further, the support includes the support body, is equipped with the set-square in the support body, is equipped with the through-hole that allows the valve rod to pass through in the set-square middle part.

Furthermore, corresponding screw holes are formed in the upper side face of the valve body and the frame body, and the valve body is connected with the support through a screw rod matched with the screw holes.

Furthermore, an annular valve cover is arranged at the bottom of the valve body, and an accommodating cavity matched with the valve clack is arranged on the inner wall of the valve cover.

Further, a rubber ring for sealing is arranged on the side wall of the valve clack.

The utility model relates to a pipeline wafer formula check valve for boats and ships's beneficial effect is: through setting up guider for guide valve rod and messenger's valve rod dispersion atress prevent that valve rod and through-hole friction increase from making the valve rod warp, adopt the guide rail, the structure of slider, the frictional force of guide bar and guide cylinder inner wall has been reduced, prevent that guide bar and guide cylinder inner wall friction increase from making the guide bar warp, the life of check valve has been prolonged greatly, adopt the rubber circle further to promote the leakproofness of check valve, the adoption holds the chamber structure and can improve leakproofness and live time.

Drawings

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

fig. 2 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, the pipeline wafer check valve for the ship comprises a valve body 1, a water inlet 2 is arranged at the bottom of the valve body, a valve clack 3 is arranged in the valve body 1, a valve rod 4 is arranged on the valve clack 3, a spring 5 is arranged outside the valve rod 4, a support 6 is arranged at the upper part of the valve body 1, a plurality of guide devices connected with the valve clack 3 are arranged on the support 6, each guide device comprises a plurality of guide cylinders 7 arranged on the support 6 and a plurality of guide rods 8 arranged on the valve clack 3 and slidably connected with the inner walls of the guide cylinders 7, the guide devices are used for guiding the valve rod and enabling the valve rod to be dispersedly stressed, the valve rod is prevented from being deformed due to friction increase between the valve rod and a through hole, the service life of the valve rod is prolonged, the pipeline wafer check valve further comprises a sliding assembly arranged on the inner walls of the guide cylinders 7 and used for assisting the operation of the guide rods 8, and the sliding assembly comprises sliding rails 9 arranged on the inner walls of the guide cylinders 7, the slide rail 9 is provided with a slide block 10 matched with the slide rail 9, the guide rod 8 is fixedly connected on the slide block 10, the friction force between the guide rod and the inner wall of the guide cylinder is reduced, the guide rod is prevented from deforming due to the friction increase between the guide rod and the inner wall of the guide cylinder, the service life of the check valve is greatly prolonged, the guide cylinder 7 is a square cylinder, each inner wall of the square cylinder is provided with a sliding assembly, the support 6 comprises a support body 13, a triangular plate 11 is arranged in the support body 13, the middle part of the triangular plate 11 is provided with a through hole 12 allowing the valve rod 4 to pass through, fluid can pass through the triangular plate 11, the upper side surface of the valve body 1 and the support body 13 are provided with corresponding screw holes 14, the valve body 1 is connected with the support 6 through a screw rod matched with the screw holes 14, the disassembly and replacement are convenient, the bottom of the valve body 1 is provided with an annular valve cover 16, the inner wall of the valve cover 16 is provided with a containing cavity matched with the valve clack 3, the side wall of the valve clack 3 is provided with a rubber ring 15 for sealing, the sealing property can be further increased.

During the use, the fluid gets into from water inlet 2, elasticity that is greater than spring 5 when fluidic pressure can compression spring 5, guide bar 8 and slider 10 upwards slide along slide rail 9, the effect of sharing valve rod 4 atress has been played, guide valve rod 4 up-going motion, valve clack 3 breaks away from and holds the chamber, fluid gets into the valve intracavity, flow through support 6 again, pressure when fluidic is less than spring 5's elasticity, spring 5 can the diastole, guide bar 8 and slider 10 slide down along slide rail 9, share valve rod 4 atress has been played, the effect of guide valve rod 4 up-going motion, adopt this check valve, the power that valve rod 4 received has alleviateed greatly, the life of check valve has been improved greatly.

The above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions and substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the present invention.

Claims

1. The utility model provides a pipeline wafer formula check valve for boats and ships, is equipped with the water inlet including the inside valve body that is equipped with the valve pocket in the bottom of valve body, is equipped with the valve clack in the valve body, is equipped with the valve rod on the valve clack, is equipped with the spring outside the valve rod, is equipped with support, its characterized in that on the upper portion of valve body: the support is provided with a plurality of guide devices connected with the valve clack, and each guide device comprises a plurality of guide cylinders arranged on the support and a plurality of guide rods arranged on the valve clack and slidably connected with the inner wall of each guide cylinder.

2. The pipe wafer type check valve for a ship of claim 1, wherein: still including locating the slip subassembly that is used for supplementary guide bar operation on the guide cylinder inner wall, the slip subassembly is equipped with the slider with the slide rail adaptation including locating the slide rail on the guide cylinder inner wall on the slide rail, guide bar fixed connection is on the slider.

3. The pipe wafer type check valve for a ship of claim 2, wherein: the guide cylinder is a square cylinder, and sliding assemblies are arranged on the inner walls of the square cylinder.

4. The pipe wafer type check valve for a ship of claim 3, wherein: the support includes the support body, is equipped with the set-square in the support body, is equipped with the through-hole that allows the valve rod to pass through in the set-square middle part.

5. The pipe wafer type check valve for a ship of claim 4, wherein: the upper side surface of the valve body and the frame body are provided with corresponding screw holes, and the valve body is connected with the bracket through a screw rod matched with the screw holes.

6. The pipe wafer type check valve for a ship of claim 5, wherein: the bottom of the valve body is provided with an annular valve cover, and the inner wall of the valve cover is provided with an accommodating cavity matched with the valve clack.

7. The pipe wafer type check valve for a ship of claim 6, wherein: and a rubber ring for sealing is arranged on the side wall of the valve clack.