CN221300505U - Hydraulic control one-way valve - Google Patents

Abstract

The utility model relates to the technical field of hydraulic control check valves, in particular to a hydraulic control check valve, which comprises a hydraulic control check valve main body, wherein an oil inlet and an oil outlet are respectively formed in the upper end face of the hydraulic control check valve main body, a first threaded connecting pipeline is connected in the oil inlet in a threaded manner, and a raw material belt is wound on the outer surface of the first threaded connecting pipeline.

Description

Hydraulic control one-way valve

Technical Field

The utility model relates to the technical field of pilot operated check valves, in particular to a pilot operated check valve.

Background

The hydraulic control one-way valve is a commonly used fluid control element, and is mainly used for controlling the flowing direction of fluid in a pipeline, and currently, the hydraulic control one-way valve is widely applied to the fields of hydraulic machinery, petrochemical industry, chemical fertilizers, metallurgy, mines, machinery, buildings and the like.

The prior art discloses patent application number "CN201921197569.6", a hydraulically controlled check valve, can shunt the fluid of refluence through seting up the groove of stepping down in the case to when fluid is taking place to refluence, can decompress the buffering to the fluid, played the effect of protection to the internal element of valve body.

The hydraulic control one-way valve can only achieve the effect of buffering protection on the internal element of the valve body, and in the actual use process, as the connecting pipeline at the hydraulic control one-way valve is fixed only through threads, the hydraulic control one-way valve is easy to leak oil, so that the tightness of the hydraulic control one-way valve is affected, and the use of the hydraulic control one-way valve is not facilitated.

Disclosure of utility model

The utility model aims to provide a hydraulic control one-way valve so as to solve the problems in the prior art.

The aim of the utility model can be achieved by the following technical scheme:

The utility model provides a hydraulically controlled check valve, including hydraulically controlled check valve main part, the oil inlet has been seted up respectively to the up end of hydraulically controlled check valve main part, the oil-out, the inside threaded connection of oil inlet has first threaded connection pipeline, the surface winding of first threaded connection pipeline has the raw material area, rubber seal ring has been cup jointed to the surface of first threaded connection pipeline, the up end of hydraulically controlled check valve main part rotates and is connected with the activity revolving plate that the array distributes, the medial surface of activity revolving plate is connected with the extrusion piece, the surface array connection of first threaded connection pipeline has two extension boards, the medial surface of two extension boards rotates and is connected with the revolving plate, the rubber piece is all installed at the both ends of revolving plate, the up end fixedly connected with U type seat of activity revolving plate.

Preferably, the filter circular plate is arranged in the first threaded connection pipeline, the outer surface array of the filter circular plate is connected with the connection spring, and the outer side surface of the connection spring is fixedly connected with the support plate.

Preferably, a sealing gasket is arranged in the first threaded connection pipeline, and the sealing gasket is positioned above the filtering circular plate.

Preferably, the inner thread of the oil outlet is connected with a second thread connecting pipeline, and the upper end surface of the first thread connecting pipeline is connected with a thread pipe in a thread mode.

Preferably, the outer surface of the rubber sealing ring is clamped with the inner side surface of the extrusion block, the oil outlet is positioned at the left side of the oil inlet, and the rubber sealing ring is positioned at the upper side of the raw material belt.

Preferably, the inner side surface of the U-shaped seat is provided with a mounting groove, the mounting groove is matched with the rubber block, and two ends of the rubber block are clamped with the inner side surface of the U-shaped seat through the mounting groove.

The utility model has the beneficial effects that:

1. According to the utility model, the sealing performance of the hydraulic control one-way valve can be improved by utilizing the corrosion resistance and the sealing performance of the raw material belt, and meanwhile, the movable rotating plate is rotated to enable the extrusion block to extrude and limit the rubber sealing ring, so that the rubber sealing ring seals the hydraulic control one-way valve, the sealing performance of the hydraulic control one-way valve is improved, and the phenomenon that the hydraulic control one-way valve is easy to leak oil is avoided;

2. According to the hydraulic control one-way valve, the supporting plate clamps and fixes the filtering circular plate by utilizing the elasticity of the connecting spring, so that the filtering circular plate can filter oil in the oil inlet, the hydraulic control one-way valve is better protected, the service life of the hydraulic control one-way valve is prolonged, meanwhile, the sealing gasket on the filtering circular plate can also play a role in sealing, and the sealing effect of the hydraulic control one-way valve is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the oil inlet and outlet of FIG. 1 according to the present utility model;

FIG. 3 is an enlarged view of the utility model at A in FIG. 2;

FIG. 4 is a schematic illustration of the installation of the first threaded connection of the pipe and gasket of FIG. 1 of the present utility model;

FIG. 5 is a schematic view of the installation of the first threaded connection of the pipe and filter disc of FIG. 1 of the present utility model;

FIG. 6 is an enlarged view of the utility model at B in FIG. 5;

Reference numerals in the drawings are as follows:

1. a pilot operated check valve body; 2. an oil inlet; 3. an oil outlet; 4. a first threaded connection pipe; 5. a raw material belt; 6. a rubber seal ring; 7. a movable rotating plate; 8. extruding a block; 9. a support plate; 10. a rotating plate; 11. a rubber block; 12. a U-shaped seat; 13. a second threaded connection pipe; 14. a filter circular plate; 15. a connecting spring; 16. a support plate; 17. a sealing gasket; 18. a threaded tube; 19. and a mounting groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a hydraulically controlled check valve, including hydraulically controlled check valve main part 1, the oil inlet 2 has been seted up respectively to hydraulically controlled check valve main part 1's up end, the oil-out 3, the inside threaded connection of oil inlet 2 has first threaded connection pipeline 4, the surface winding of first threaded connection pipeline 4 has the raw material area 5, rubber seal ring 6 has been cup jointed to the surface of first threaded connection pipeline 4, hydraulically controlled check valve main part 1's up end rotates and is connected with the activity revolving plate 7 that the array distributes, the medial surface of activity revolving plate 7 is connected with extrusion piece 8, the surface array connection of first threaded connection pipeline 4 has two extension boards 9, the medial surface rotation of two extension boards 9 is connected with rotatory board 10, rubber piece 11 is all installed at the both ends of rotatory board 10, the up end fixedly connected with U type seat 12 of activity revolving plate 7, through the setting of rubber piece 11, in can the joint U type seat 12 to fix rubber seal ring 6, still can be used to fix first threaded connection pipeline 4 simultaneously, stability when improving first threaded connection pipeline 4 installs.

The internally mounted of first threaded connection pipeline 4 has filtration plectane 14, through the setting of filtration plectane 14, and filtration plectane 14 is located the inside of first threaded connection pipeline 4 for filter fluid, guarantee the result of use of hydraulically controlled check valve, the surface array connection of filtration plectane 14 has coupling spring 15, coupling spring 15's lateral surface fixedly connected with backup pad 16.

The first threaded connection pipe 4 is internally fitted with a gasket 17, the gasket 17 being located above the filter disc 14.

The inside screw thread of the oil outlet 3 is connected with a second screw thread connecting pipeline 13, and the upper end surface of the first screw thread connecting pipeline 4 is connected with a screw thread pipe 18.

The outer surface of the rubber sealing ring 6 is clamped with the inner side surface of the extrusion block 8, the oil outlet 3 is positioned at the left side of the oil inlet 2, and the rubber sealing ring 6 is positioned at the upper side of the raw material belt 5.

The mounting groove 19 has all been seted up to the medial surface of U type seat 12, and mounting groove 19 and rubber piece 11 looks adaptation, and the both ends of rubber piece 11 pass through mounting groove 19 and the medial surface looks joint of U type seat 12.

The utility model provides a hydraulic control one-way valve, which has the following working principle:

The raw material belt 5 is wound on the threaded part of the first threaded connecting pipeline 4, the rubber sealing ring 6 is sleeved on the outer surface of the first threaded connecting pipeline 4, and then the first threaded connecting pipeline 4 is installed on the hydraulic control one-way valve main body 1 in a threaded mode, so that the sealing performance of the hydraulic control one-way valve is improved by means of the corrosion resistance and the sealing performance of the raw material belt 5, then the movable rotating plate 7 is rotated, the movable rotating plate 7 drives the extrusion block 8 to extrude and limit against the rubber sealing ring 6, then the rotating plate 10 is rotated downwards, the rubber block 11 at the position of the rotating plate 10 can be embedded into the U-shaped seat 12 to be used for reinforcing the installation of the extrusion block 8, and therefore the sealing performance of the hydraulic control one-way valve is improved, and the phenomenon that oil leakage of the hydraulic control one-way valve is easy to occur is avoided;

The filter circular plate 14 is placed into the first threaded connecting pipeline 4, and at the moment, the support plate 16 with the connecting spring 15 installed at the filter circular plate 14 is driven to enter the first threaded connecting pipeline 4, so that the support plate 16 is clamped and fixed with the filter circular plate 14 by using the elasticity of the connecting spring 15, the filter circular plate 14 can filter oil in the oil inlet 2, the hydraulic check valve is better protected, the service life of the hydraulic check valve is prolonged, and meanwhile, the sealing gasket 17 on the filter circular plate 14 can also play a sealing role, so that the sealing effect of the hydraulic check valve is further improved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. The utility model provides a hydraulically controlled check valve, includes hydraulically controlled check valve main part (1), its characterized in that: the utility model discloses a hydraulic control check valve, including hydraulic control check valve main part (1), hydraulic control check valve main part (1) including hydraulic control check valve, oil-out (3) have been seted up respectively to the up end of main part (1), the inside threaded connection of oil inlet (2) has first threaded connection pipeline (4), the surface winding of first threaded connection pipeline (4) has raw material area (5), rubber sealing ring (6) have been cup jointed to the surface of first threaded connection pipeline (4), the up end of main part (1) rotates and is connected with movable swivel plate (7) of array distribution, the medial surface of movable swivel plate (7) is connected with extrusion piece (8), the surface array connection of first threaded connection pipeline (4) has two extension boards (9), two the medial surface rotation of extension board (9) is connected with rotatory board (10), rubber piece (11) are all installed at the both ends of rotatory board (10), the up end fixedly connected with U type seat (12) of movable swivel plate (7).

2. A pilot operated check valve according to claim 1, characterized in that the first threaded connection pipe (4) is internally provided with a filter circular plate (14), the outer surface array of the filter circular plate (14) is connected with a connecting spring (15), and the outer side surface of the connecting spring (15) is fixedly connected with a supporting plate (16).

3. A hydraulically controlled one-way valve according to claim 2, characterized in that the first threaded connection pipe (4) is internally fitted with a gasket (17), the gasket (17) being located above the filter disc (14).

4. A hydraulically controlled one-way valve according to claim 1, characterized in that the interior of the oil outlet (3) is screwed with a second screwed pipe (13), the upper end face of the first screwed pipe (4) being screwed with a threaded pipe (18).

5. The hydraulic control one-way valve according to claim 1, wherein the outer surface of the rubber sealing ring (6) is clamped with the inner side surface of the extrusion block (8), the oil outlet (3) is positioned at the left side of the oil inlet (2), and the rubber sealing ring (6) is positioned at the upper side of the raw material belt (5).

6. A hydraulically controlled one-way valve according to claim 1, characterized in that said U-shaped seat (12)

The inner side surfaces of the rubber blocks are provided with mounting grooves (19), the mounting grooves (19) are matched with the rubber blocks (11),

Two ends of the rubber block (11) are clamped with the inner side surface of the U-shaped seat (12) through the mounting groove (19).