CN220727222U - High-pressure safety valve - Google Patents

High-pressure safety valve Download PDF

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Publication number
CN220727222U
CN220727222U CN202322209967.8U CN202322209967U CN220727222U CN 220727222 U CN220727222 U CN 220727222U CN 202322209967 U CN202322209967 U CN 202322209967U CN 220727222 U CN220727222 U CN 220727222U
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China
Prior art keywords
fixedly connected
valve
pressure relief
wall
pressure
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CN202322209967.8U
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Chinese (zh)
Inventor
曹雷
周俊
周星辰
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Dalian Xingyuan Shenleng Valve Co ltd
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Dalian Xingyuan Shenleng Valve Co ltd
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Abstract

The utility model discloses a high-pressure safety valve, which comprises a valve body, wherein an outlet pipe is fixedly connected to the inner wall of the outer surface of the valve body, an inner sleeve is fixedly connected to the inner wall of the outlet pipe, a blocking plate is fixedly connected to the inner wall of the inner sleeve, an outlet connecting pipe is fixedly connected to the outer surface of the outlet pipe, and a valve seat is fixedly connected to the inner wall of the valve body.

Description

High-pressure safety valve
Technical Field
The utility model relates to the technical field of safety valves, in particular to a high-pressure safety valve.
Background
The high-pressure safety valve is a valve for safety protection, its opening and closing member is in normally closed state under the action of external force, when the pressure of medium in the equipment or pipeline is raised, and exceeds a defined value, it is automatically opened, and the medium pressure in the pipeline or equipment can be prevented from exceeding a defined value by discharging medium to outside of the system.
According to the search, in the chinese published patent application No. CN217874369U, a high-pressure relief valve is disclosed, in which an integral valve core is integrally injection molded, the process is simple, the processing cost and the assembly difficulty are low, and the high-pressure relief valve can keep the pressure value in a pipeline within a predetermined range, but when the pipeline pressure is released, the pressure is released from the top, but when the pressure is too high, the pressure directly enters the relief valve from the bottom and leaves the relief valve from the top, so that strong impact is caused to the valve wall of the relief valve, and the service life of the relief valve is reduced for a long time, so that the high-pressure relief valve capable of reducing the pressure release impact force applied to the valve wall of the relief valve is needed.
Disclosure of Invention
The utility model mainly aims to provide a high-pressure safety valve which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a high pressure relief valve, includes the valve body, the inner wall fixedly connected with outlet pipe of valve body surface, the inner wall fixedly connected with endotheca of outlet pipe, the inner wall fixedly connected with barrier plate of endotheca, the surface fixedly connected with outlet connection pipe of outlet pipe, the inner wall fixedly connected with disk seat of valve body, the upper surface of disk seat is provided with the case.
In order to achieve the effect of conveniently sealing the pressure relief hole, as the high-pressure safety valve, the upper surface of the valve seat is provided with the cone notch, the lower surface of the valve core is fixedly connected with the cone convex block, and the inner bottom wall of the cone notch is provided with the pressure relief hole.
In order to achieve the effect of limiting the valve core to move up and down, the high-pressure safety valve is characterized in that a guide rod is fixedly connected to the upper surface of the valve seat, and a sliding block is fixedly connected to the outer surface of the valve core.
In order to achieve the effect of conveniently fixing the main spring, the high-pressure safety valve is characterized in that a spring groove is formed in the upper surface of the valve core, and the main spring is fixedly connected to the inner bottom wall of the spring groove.
In order to achieve the effect of sealing the top of the valve body, as the high-pressure safety valve, the top end of the main spring is fixedly connected with a top cover, and the inner bottom wall of the top cover is fixedly connected with a top spring.
In order to achieve the effect of fixing the pressing rod, as the high-pressure safety valve, the top end of the top spring is fixedly connected with the pressing block, and the pressing rod is fixedly connected to the lower surface of the pressing block.
In order to achieve the effect of conveniently twisting the pressing block, as the high-pressure safety valve, the upper surface of the pressing block is fixedly connected with a knob, the top of the outer surface of the pressing block is provided with a first thread, and the top of the inner wall of the top cover is provided with a second thread.
In order to achieve the effect of conveniently installing the high-pressure safety valve, the high-pressure safety valve is characterized in that the bottom end of the valve body is fixedly connected with an installation base.
Compared with the prior art, the utility model has the following beneficial effects:
1. the high-pressure safety valve is arranged at the uppermost part of a pipeline through the valve body, the outlet pipes, the inner sleeves, the blocking plates, the outlet connecting pipes, the valve seat and the valve core, when the high-pressure safety valve is used, the high-pressure safety valve is arranged at the uppermost part of the pipeline, liquid can enter the pressure relief hole and enable the valve core to upwards extrude the main spring, so that the conical notch is opened, the liquid is discharged to the two outlet pipes for diversion, when the flow speed of the liquid with overlarge pressure is too high, the liquid can hit the blocking plates in the inner sleeves, the liquid impact force is reduced, the pressure is relieved through the outlet pipes at the two sides, and the excessively strong pressure relief force is reduced through the blocking plates, so that strong impact on the valve wall of the safety valve is avoided, and the service life of the safety valve is ensured.
2. This high pressure relief valve, through top cap, top spring, briquetting, depression bar and knob's setting, when pipeline pauses the use, can downwardly compressing top spring to pinch knob rotation briquetting, make first screw thread and second screw thread threaded connection be in the same place on the briquetting on the top cap, make the depression bar top on the case, seal the pressure release hole, unscrew the briquetting when using the relief valve, thereby guarantee when not using the relief valve, guarantee the leakproofness of relief valve.
Drawings
FIG. 1 is a schematic diagram of a high pressure relief valve according to embodiment 1 of the present utility model;
FIG. 2 is a schematic diagram of a bottom view of a high-pressure relief valve according to embodiment 1 of the present utility model;
FIG. 3 is a schematic sectional axial view of a high-pressure relief valve according to embodiment 1 of the present utility model;
FIG. 4 is a schematic diagram showing a sectional structure of a high-pressure relief valve according to embodiment 1 of the present utility model;
FIG. 5 is a schematic diagram of an explosion structure of a valve core in a high-pressure relief valve according to embodiment 1 of the present utility model;
FIG. 6 is a schematic diagram of an axial measurement structure of a valve core in a high-pressure relief valve according to embodiment 1 of the present utility model;
fig. 7 is a schematic diagram of an explosion structure of an inner sleeve in a high-pressure relief valve according to embodiment 1 of the present utility model.
In the figure: 1. a valve body; 2. an outlet tube; 3. an inner sleeve; 4. a blocking plate; 5. an outlet connection tube; 6. a valve seat; 7. a valve core; 8. a cone notch; 9. conical protruding blocks; 10. a pressure relief hole; 11. a guide rod; 12. a slide block; 13. a spring groove; 14. a main spring; 15. a top cover; 16. a top spring; 17. briquetting; 18. a compression bar; 19. a knob; 20. a first thread; 21. a second thread; 22. and (5) installing a base.
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.
Example 1
As shown in fig. 1-7, a high-pressure safety valve comprises a valve body 1, wherein an outlet pipe 2 is fixedly connected to the inner wall of the outer surface of the valve body 1, an inner sleeve 3 is fixedly connected to the inner wall of the outlet pipe 2, a blocking plate 4 is fixedly connected to the inner wall of the inner sleeve 3, an outlet connecting pipe 5 is fixedly connected to the outer surface of the outlet pipe 2, a valve seat 6 is fixedly connected to the inner wall of the valve body 1, and a valve core 7 is arranged on the upper surface of the valve seat 6.
When the valve is specifically used, through the arrangement of the valve body 1, the outlet pipe 2, the inner sleeve 3, the blocking plate 4, the outlet connecting pipe 5, the valve seat 6 and the valve core 7, the outer part of the valve body 1 is provided with two outlet pipes 2 in a sharing way and is symmetrical to each other, the inner sleeve 3 is internally provided with two inclined blocking plates 4, the inner sleeve 3 is inserted into the outlet pipe 2, the outlet connecting pipe 5 is sleeved at one end of the outlet pipe 2, the conical notch 8 on the valve seat 6 is matched with the conical convex block 9 under the valve core 7, so that the high-pressure safety valve has excellent sealing performance, when the high-pressure safety valve is used, the high-pressure safety valve is arranged at the uppermost part of a pipeline, liquid pressure in the pipeline is overlarge, the liquid can enter the pressure relief hole 10 and enable the valve core 7 to upwards squeeze the main spring 14, so that the conical notch 8 is opened, the liquid is leaked towards the two outlet pipes 2 to flow away, when the liquid pressure is overlarge, the liquid can be on the blocking plates 4 in the inner sleeve 3, the liquid impact force is reduced, the pressure is relieved through the outlet pipes 2 at the two sides, the pressure relief is carried out, and the overlarge pressure release force is reduced by using the blocking plates 4, so that the pressure is reduced, the strong impact force is caused to the strong impact force of the safety valve, and the service life of the safety valve is ensured.
In this embodiment, the upper surface of the valve seat 6 is provided with a cone slot 8, the lower surface of the valve core 7 is fixedly connected with a cone bump 9, and the inner bottom wall of the cone slot 8 is provided with a pressure relief hole 10.
When the pressure relief device is particularly used, the pressure relief hole 10 is conveniently sealed through the arrangement of the cone notch 8 and the cone convex block 9.
In this embodiment, a guide rod 11 is fixedly connected to the upper surface of the valve seat 6, and a slider 12 is fixedly connected to the outer surface of the valve core 7.
In specific use, the valve core 7 is limited to move up and down only by the arrangement of the guide rod 11 and the sliding block 12.
In this embodiment, the upper surface of the valve core 7 is provided with a spring groove 13, and the inner bottom wall of the spring groove 13 is fixedly connected with a main spring 14.
In specific use, the main spring 14 is conveniently fixed through the arrangement of the spring groove 13.
In this embodiment, the top end of the main spring 14 is fixedly connected with a top cover 15, and the inner bottom wall of the top cover 15 is fixedly connected with a top spring 16.
In specific use, the top of the valve body 1 is closed by the arrangement of the top cover 15.
In this embodiment, the top end of the top spring 16 is fixedly connected with a pressing block 17, and the lower surface of the pressing block 17 is fixedly connected with a pressing rod 18.
In specific use, the pressing rod 18 is fixed through the arrangement of the pressing block 17.
In this embodiment, the knob 19 is fixedly connected to the upper surface of the pressing block 17, the first thread 20 is provided on the top of the outer surface of the pressing block 17, and the second thread 21 is provided on the top of the inner wall of the top cover 15.
In specific use, the knob 19 is arranged to facilitate twisting of the press block 17.
In this embodiment, the bottom end of the valve body 1 is fixedly connected with a mounting base 22.
When the high-pressure safety valve is particularly used, the high-pressure safety valve is conveniently installed through the arrangement of the installation base 22.
Working principle: when the high-pressure safety valve is used, the high-pressure safety valve is arranged at the uppermost part of a pipeline, the liquid pressure in the pipeline is overlarge, then the liquid can enter the pressure relief hole 10 and the valve core 7 upwards extrudes the main spring 14, the conical notch 8 is opened, the liquid is discharged to the two outlet pipes 2 for diversion, when the liquid flow speed is too high, the liquid can strike the blocking plate 4 in the inner sleeve 3 to reduce the liquid impact force, the pressure is relieved through the outlet pipes 2 at the two sides, and the excessively strong pressure relief force is reduced by using the blocking plate 4.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present 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. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (8)

1. High pressure relief valve, including valve body (1), its characterized in that: the valve is characterized in that an outlet pipe (2) is fixedly connected to the inner wall of the outer surface of the valve body (1), an inner sleeve (3) is fixedly connected to the inner wall of the outlet pipe (2), a blocking plate (4) is fixedly connected to the inner wall of the inner sleeve (3), an outlet connecting pipe (5) is fixedly connected to the outer surface of the outlet pipe (2), a valve seat (6) is fixedly connected to the inner wall of the valve body (1), and a valve core (7) is arranged on the upper surface of the valve seat (6).
2. A high pressure relief valve as claimed in claim 1, wherein: the valve seat is characterized in that a cone notch (8) is formed in the upper surface of the valve seat (6), a cone lug (9) is fixedly connected to the lower surface of the valve core (7), and a pressure relief hole (10) is formed in the inner bottom wall of the cone notch (8).
3. A high pressure relief valve as claimed in claim 1, wherein: the upper surface of disk seat (6) is fixedly connected with guide bar (11), the surface of case (7) is fixedly connected with slider (12).
4. A high pressure relief valve as claimed in claim 1, wherein: the upper surface of case (7) has seted up spring groove (13), the interior bottom wall of spring groove (13) is fixedly connected with main spring (14).
5. A high pressure relief valve as claimed in claim 4, wherein: the top end of the main spring (14) is fixedly connected with a top cover (15), and the inner bottom wall of the top cover (15) is fixedly connected with a top spring (16).
6. A high pressure relief valve as claimed in claim 5, wherein: the top of top spring (16) fixedly connected with briquetting (17), the lower surface of briquetting (17) fixedly connected with depression bar (18).
7. A high pressure relief valve as defined in claim 6, wherein: the upper surface fixedly connected with knob (19) of briquetting (17), the top of briquetting (17) surface is provided with first screw thread (20), the top of top cap (15) inner wall is provided with second screw thread (21).
8. A high pressure relief valve as claimed in claim 1, wherein: the bottom end of the valve body (1) is fixedly connected with a mounting base (22).
CN202322209967.8U 2023-08-17 2023-08-17 High-pressure safety valve Active CN220727222U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322209967.8U CN220727222U (en) 2023-08-17 2023-08-17 High-pressure safety valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322209967.8U CN220727222U (en) 2023-08-17 2023-08-17 High-pressure safety valve

Publications (1)

Publication Number Publication Date
CN220727222U true CN220727222U (en) 2024-04-05

Family

ID=90496150

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322209967.8U Active CN220727222U (en) 2023-08-17 2023-08-17 High-pressure safety valve

Country Status (1)

Country Link
CN (1) CN220727222U (en)

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