Emergency release type safety valve

Abstract

The utility model provides an emergency release type safety valve, and belongs to the technical field of valves. A housing; the rotating hole is formed in the upper end of the shell; the rotating rod is rotationally connected into the rotating hole; the limiting block is fixedly connected to the circumferential surface of the rotating rod; the hollow annular block is rotationally connected to the circumferential surface of the limiting block; a worker drives a rotating rod to rotate by screwing a handle, so that a short screw rod below is quickly screwed out of a short threaded groove, at the moment, a spring drives a hollow annular block to quickly move upwards through restoring force, and while the hollow annular block moves upwards, a partition plate fixed to the hollow annular block can quickly enter a storage groove; therefore, the safety valve can respond quickly in emergency and release overhigh air pressure in time, so that the safety and stability of the system are ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to valve technical field, concretely relates to an emergency release type safety valve. BACKGROUND

[0002] Safety valves are critical in many industrial applications, such as chemical, oil, and natural gas industries, where pressure control in the system is essential. Safety valves are widely used in pressure vessels and piping systems in the industrial field to automatically open and release excess pressure when the system pressure exceeds the set value, protecting equipment and personnel safety.

[0003] Although traditional safety valves can provide some protection, they are not fast enough in operation speed in some emergency situations, which cannot quickly release pressure, resulting in equipment damage or safety accidents. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an emergency release type safety valve, which aims to solve the problem of slow operation speed of safety valves in the prior art, which cannot quickly release pressure, resulting in equipment damage or safety accidents.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] An emergency release type safety valve comprises:

[0007] A shell;

[0008] A rotating hole is formed in the upper end of the shell;

[0009] A rotating rod is rotatably connected in the rotating hole;

[0010] A limiting block is fixedly connected to the circumferential surface of the rotating rod;

[0011] A hollow annular block is rotatably connected to the circumferential surface of the limiting block;

[0012] A spring has one end fixedly connected to the upper inner wall of the rotating hole, and the other end fixedly connected to the upper end of the hollow annular block;

[0013] A partition is fixedly connected to one side end of the hollow annular block;

[0014] A receiving groove is formed in the upper inner wall of the shell, and the receiving groove and the partition are matched;

[0015] A short screw rod is fixedly connected to the lower end of the rotating rod;

[0016] A short threaded groove is formed in the lower inner wall of the shell;

[0017] The handle is fixedly connected to the upper end of the rotating rod.

[0018] As a preferred scheme of the utility model, the circumference inner wall of the shell is fixedly connected with a sealing ring, the surface of the sealing ring is smooth, and the side surface of the sealing ring is attached with a partition plate.

[0019] As a preferred scheme of the utility model, the lower end of the shell is fixedly connected with a base, and the base is provided with a mounting hole.

[0020] As a preferred scheme of the utility model, one side end of the shell is fixedly connected with a connecting ring.

[0021] As a preferred scheme of the utility model, the edge of the handle is designed in a round angle type.

[0022] As a preferred scheme of the utility model, the material of the shell is stainless steel.

[0023] Compared with the prior art, the utility model has the beneficial effects that:

[0024] 1、In the scheme, personnel drive the rotating rod to rotate through the handle, the lower short screw rod is quickly screwed out from the short screw groove, the hollow annular block is quickly moved upward through the restoring force of the spring, the partition plate fixed with the hollow annular block is quickly entered into the storage groove while the hollow annular block is moved upward, the safety valve is quickly released of the air pressure, the safety valve can quickly respond in an emergency, the excessively high air pressure is timely released, the safety and stability of the system are ensured, personnel only need to press the handle downward, the short screw rod is screwed into the short screw groove, and the safety valve can be closed, which is simple and practical.

[0025] 2、In the scheme, when personnel connect the safety valve with the pipeline, the mounting hole on the base is fixed on the ground through bolts, the safety valve is fixed on the ground through bolts, the safety valve is in a horizontal position, the downward falling force is reduced, the abrasion is reduced, and the service life of the safety valve is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0026] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0027] Figure 1 It is the front view of the utility model;

[0028] Figure 2 It is the first sectional view of the utility model;

[0029] Figure 3 It is the explosion view of the utility model;

[0030] Figure 4 It is the second sectional view of the utility model.

[0031] In the figure: 1, shell; 2, rotating hole; 3, rotating rod; 4, limit block; 5, hollow annular block; 6, spring; 7, partition; 8, storage groove; 9, short screw rod; 10, short screw groove; 11, handle; 12, sealing ring; 13, base; 14, mounting hole; 15, connecting ring. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0033] Embodiment 1

[0034] Please refer to Figures 1-4 The utility model provides the following technical scheme:

[0035] An emergency release type safety valve, comprising:

[0036] Shell 1;

[0037] Rotating hole 2, rotating hole 2 is set up in the upper end of shell 1;

[0038] Rotating rod 3, rotating rod 3 is rotationally connected in rotating hole 2;

[0039] Limit block 4, limit block 4 is fixedly connected to the circumferential surface of rotating rod 3;

[0040] Hollow annular block 5, hollow annular block 5 is rotationally connected to the circumferential surface of limit block 4;

[0041] Spring 6, one end of spring 6 is fixedly connected to the upper inner wall of rotating hole 2, and the other end of spring 6 is fixedly connected to the upper end of hollow annular block 5;

[0042] Partition 7, partition 7 is fixedly connected to one side end of hollow annular block 5;

[0043] Storage groove 8, storage groove 8 is set up in the upper inner wall of shell 1, and storage groove 8 and partition 7 are matched;

[0044] Short screw rod 9, short screw rod 9 is fixedly connected to the lower end of rotating rod 3;

[0045] Short screw groove 10, short screw groove 10 is set up in the lower inner wall of shell 1;

[0046] The handle 11 is fixedly connected to the upper end of the rotating rod 3.

[0047] In the specific embodiment of the utility model, the shell 1 is used for accommodating internal components, the rotating hole 2 is used for mounting the rotating rod 3, the rotating rod 3 is used as the main shaft of the safety valve and is responsible for driving the opening and closing of the valve body, the limiting block 4 and the hollow annular block 5 enable the partition plate 7 not to rotate with the rotating rod 3 when a person rotates the rotating rod 3 to drive the limiting block 4 to rotate in the hollow annular block 5 to release the safety valve, the spring 6 provides a reset force, so that the safety valve can be quickly released when pressure is encountered, the partition plate 7 prevents pressure leakage, the receiving groove 8 is used for accommodating the partition plate 7, the pressure is released, the short screw rod 9 and the short screw groove 10 are short in length, so that a person can more quickly unscrew the short screw rod 9 to release the pressure, the handle 11 is convenient for an operator to manually open and close the safety valve, thereby improving the convenience and safety of operation; when the air pressure is too high, a person rotates the handle 11 to drive the rotating rod 3 to rotate, so that the short screw rod 9 below is quickly unscrewed from the short screw groove 10; at this time, the spring 6 drives the hollow annular block 5 to quickly move upward through the restoring force, and the partition plate 7 fixedly connected to the hollow annular block 5 will quickly enter the receiving groove 8 while the hollow annular block 5 moves upward, so that the safety valve quickly releases the air pressure.

[0048] For details, please refer to Figures 1-4 The circumferential inner wall of the shell 1 is fixedly connected with a sealing ring 12, the surface of the sealing ring 12 is smooth, and the side surface of the sealing ring 12 is attached with the partition plate 7.

[0049] In this embodiment, the sealing ring 12 is used for sealing the gap between the partition plate 7 and the shell 1 to prevent pressure leakage, and the surface thereof is polished to be smooth, so that the movement of the partition plate 7 through the restoring force of the spring 6 is not hindered.

[0050] For details, please refer to Figures 1-4 The lower end of the shell 1 is fixedly connected with a base 13, and the base 13 is provided with a mounting hole 14.

[0051] In this embodiment, the base 13 is used for firmly mounting the entire safety valve at a specified position, and the mounting hole 14 is provided with a plurality of mounting holes for mounting the safety valve at a specified position through bolts or other fasteners.

[0052] For details, please refer to Figures 1-4 One side end of the shell 1 is fixedly connected with a connecting ring 15.

[0053] In this embodiment, the connecting ring 15 is provided with two connecting rings for connecting with other equipment or pipelines.

[0054] For details, please refer to Figures 1-4 The edge of the handle 11 is designed in a round corner type.

[0055] In this embodiment, the edge of the handle 11 is designed in a rounded corner type to avoid sharp edges from causing scratches or discomfort to the hands, thereby improving the safety and comfort of operation.

[0056] For details, please refer to Figures 1-4 The material of the shell 1 is stainless steel.

[0057] In this embodiment, the stainless steel has excellent corrosion resistance and can be used for a long time in various harsh environments, especially in the chemical industry, petroleum industry and other highly corrosive industrial environments, and has high mechanical strength, can withstand large pressure and impact force, and ensures the stability and reliability of the safety valve under high pressure conditions.

[0058] The working principle and use process of the utility model are as follows: when personnel install the safety valve, the mounting hole 14 on the base 13 is fixed in the specified position by the bolt, the connecting ring 15 is connected with other equipment or pipelines, under normal working condition, the safety valve is in the closed state, when the gas pressure is too high, the operator rotates the handle 11 to drive the rotating rod 3 to rotate, at this time, the limiting block 4 also rotates in the hollow annular block 5, so that the rotating rod 3 can rotate freely and the partition plate 7 does not rotate, at the same time, the short screw rod 9 at the bottom is quickly screwed out from the short screw groove 10, the spring 6 drives the hollow annular block 5 to move upward quickly through the restoring force, the rotating rod 3 is also popped up, at the same time, the hollow annular block 5 moves upward, and the partition plate 7 fixed thereto quickly enters the storage groove 8, so that the safety valve can respond quickly in an emergency and release the high gas pressure in time, thereby ensuring the safety and stability of the system.

[0059] Finally, it should be pointed out that the above-mentioned is only the preferred embodiment of the utility model and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An emergency release type safety valve characterized by comprising: Include: The shell (1); Rotary hole (2), the rotary hole (2) is opened in the upper end of shell (1); Rotary rod (3), the rotary rod (3) is rotatably connected in rotary hole (2); Limiting block (4), the limiting block (4) is fixedly connected to the circumferential surface of rotary rod (3); Hollow ring block (5), the hollow ring block (5) is rotatably connected to the circumferential surface of limiting block (4); Spring (6), one end of the spring (6) is fixedly connected to the upper inner wall of rotary hole (2), the other end of the spring (6) is fixedly connected to the upper end of hollow ring block (5); Partition (7), the partition (7) is fixedly connected to one side end of hollow ring block (5); Accommodation groove (8), the accommodation groove (8) is opened in the upper inner wall of shell (1), the accommodation groove (8) and partition (7) are matched; Short screw rod (9), the short screw rod (9) is fixedly connected to the lower end of rotary rod (3); Short screw thread groove (10), the short screw thread groove (10) is opened in the lower inner wall of shell (1); Handle (11), the handle (11) is fixedly connected to the upper end of rotary rod (3).

2. An emergency release type safety valve according to claim 1, characterized in that: The circumferential inner wall of the shell (1) is fixedly connected with a sealing ring (12), the surface of the sealing ring (12) is smooth, one side surface of the sealing ring (12) is attached with a partition (7).

3. An emergency release safety valve according to claim 2, wherein: The lower end of the shell (1) is fixedly connected with a base (13), the base (13) is opened with a mounting hole (14).

4. An emergency release safety valve according to claim 3, wherein: One side end of the shell (1) is fixedly connected with a connecting ring (15).

5. An emergency release type safety valve according to claim 4, characterized in that: The edge of the handle (11) is designed in a round angle type.

6. An emergency release type safety valve according to claim 5, wherein: The material of the shell (1) is stainless steel.

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