An anti-drop regulating valve suitable for high-pressure steel cylinders

Abstract

This utility model provides an anti-detachment regulating valve suitable for high-pressure steel cylinders, relating to the field of regulating valve installation technology. It includes a steel cylinder body and a regulating valve body. An installation box is provided on the top of the steel cylinder body. A concave insert is movably fitted onto the outer wall of the regulating valve body. Two strip-shaped insertion holes are formed on one side of the outer wall of the installation box. In this utility model, two connecting blocks and two pins are moved by two levers with handles, causing them to compress two strong springs. When one end of the regulating valve body is inserted into the steel cylinder connection port, its concave insert is precisely positioned within the two strip-shaped insertion holes. Then, the two levers with handles are released, and under the action of the two strong springs, the two pins are driven to insert into the two first insertion holes, thereby limiting the concave insert within the two strip-shaped insertion holes and the installation box. This design is not connected by bolts or similar means, and prevents loose connections that could cause the regulating valve to detach, thus improving the performance of the regulating valve on high-pressure steel cylinders.

Description

Technical Field

[0001] This utility model relates to the field of regulating valve installation technology, and in particular to an anti-drop regulating valve suitable for high-pressure steel cylinders. Background Technology

[0002] High-pressure gas cylinders are special equipment used for storing and transporting compressed or liquefied gases. They are typically made of high-strength steel and can withstand extremely high internal pressures. High-pressure gas cylinders can safely and effectively store various industrial gases, medical gases, and specialty gases, facilitating the transportation of gases from the production site to the usage site. They can also serve as pressure sources, providing stable gas pressure for various equipment and processes. The regulating valve installed on the high-pressure gas cylinder, also known as a pressure reducing valve, can reduce the high-pressure gas inside the cylinder (usually as high as tens or even hundreds of atmospheres) to the lower and more stable pressure required by downstream equipment or processes. This is the core function of the regulating valve. It can also maintain the stability of downstream output pressure when the cylinder pressure drops or the upstream pressure fluctuates. This is crucial for precision instruments or processes that require constant gas pressure. By adjusting the opening of the regulating valve, the gas flow rate can be controlled.

[0003] In the existing technology, one end of the regulating valve is inserted into the cylinder connection port and then connected together by gaskets and bolts. After long-term use, the connection is prone to loosening, which can cause the regulating valve to fall off from the cylinder connection port, reducing the effectiveness of the regulating valve on high-pressure cylinders. Utility Model Content

[0004] The purpose of this invention is to solve the problem that when using existing equipment, the connection between one end of the regulating valve and the gas cylinder connection port is prone to loosening, causing the two to easily fall off. Therefore, this invention proposes an anti-fall-off regulating valve suitable for high-pressure gas cylinders.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a regulating valve for preventing the cylinder from falling off, comprising a cylinder body and a regulating valve body. A mounting box is provided on the top of the cylinder body. A concave insert is movably fitted onto the outer wall of the regulating valve body. Two strip-shaped insertion holes are opened on one side of the outer wall of the mounting box, and the outer wall of the concave insert is movably inserted into the two strip-shaped insertion holes. Two U-shaped blocks are fixedly installed on the outer wall of the mounting box. A strong spring is fixedly installed on one side of the inner wall of each of the two U-shaped blocks. A connecting block is fixedly installed on one side of the outer wall of each of the two strong springs. A handle-bearing rod is movably inserted into one side of the outer wall of each of the two U-shaped blocks, and one side of the outer wall of each handle-bearing rod is fixedly connected to the opposite side of the outer wall of each connecting block.

[0006] Preferably, a pin is fixedly installed on the other side of the outer wall of each of the two connecting blocks.

[0007] Preferably, the outer wall of the concave plug has two first insertion holes, and the outer walls of the two pins are movably inserted into the two first insertion holes.

[0008] Preferably, the outer wall of the mounting box has two second insertion holes, and the outer walls of the two pins are movably inserted into the two second insertion holes.

[0009] Preferably, a cylinder connection port is provided on one side of the outer wall of the mounting box, and the outer wall of the regulating valve body is movably inserted into the cylinder connection port.

[0010] Preferably, a fixing ring is fixedly sleeved on the outer wall of the regulating valve body, and one side of the outer wall of the fixing ring contacts the opposite side of the outer wall of the concave insert.

[0011] Preferably, a limiting ring is threadedly connected to the outer wall of the regulating valve body, and one side of the outer wall of the limiting ring contacts one side of the inner wall of the concave insert.

[0012] Preferably, a sealing gasket is fixedly installed on one side of the outer wall of the limiting ring, and one side of the outer wall of the sealing gasket contacts the opposite side of the outer wall of the gasket connecting port.

[0013] Preferably, the top of the mounting box is provided with a switch valve, and one side of the outer wall of the regulating valve body is provided with an air outlet port.

[0014] Preferably, a high-pressure dial is provided on one side of the outer wall of the regulating valve body, and a low-pressure dial is provided on the other side of the outer wall of the regulating valve body.

[0015] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0016] 1. In this utility model, when the regulating valve body needs to be installed on the cylinder body and the mounting box, the two connecting blocks and two pins are moved by the two handle rods, which compress the two strong springs. When one end of the regulating valve body is inserted into the cylinder connection port, its concave plug is exactly located in the two strip-shaped insertion holes, and the two first insertion holes correspond to the two second insertion holes. Then, the two handle rods are released, and under the action of the two strong springs, the two pins are moved in the two second insertion holes and inserted into the two first insertion holes, thereby limiting the concave plug in the two strip insertion holes and the mounting box, and limiting the regulating valve body to the corresponding position. It is not connected by bolts or the like, and there will be no loose connection that would cause the regulating valve to fall off, thus improving the performance of the regulating valve on high-pressure cylinders.

[0017] 2. In this utility model, the concave insert is fitted onto one end of the regulating valve body and contacts the fixing ring, and then the limiting ring contacts the concave insert. When one end of the regulating valve body is fully inserted into the cylinder connection port, its sealing gasket is located at the limit ring and the cylinder connection port, which achieves a sealing effect and further improves the performance of the regulating valve on high-pressure cylinders. Attached Figure Description

[0018] Figure 1 A perspective view of an anti-drop regulating valve suitable for high-pressure steel cylinders is provided for this utility model;

[0019] Figure 2 This utility model provides an exploded view of an anti-drop regulating valve suitable for high-pressure steel cylinders;

[0020] Figure 3 This utility model Figure 2 Enlarged view of A;

[0021] Figure 4 This utility model provides a partially exploded view of an anti-drop regulating valve suitable for high-pressure steel cylinders;

[0022] Figure 5 This utility model presents a partial schematic diagram of an anti-drop regulating valve suitable for high-pressure steel cylinders.

[0023] Legend:

[0024] 1. Cylinder body; 2. Regulating valve body; 3. Mounting box; 4. Concave insert; 5. Strip-shaped insertion hole; 6. U-shaped block; 7. Strong spring; 8. Connecting block; 9. Pull rod with handle; 10. Pin; 11. First insertion hole; 12. Second insertion hole; 13. Cylinder connection port; 14. Fixing ring; 15. Limiting ring; 16. Sealing gasket; 17. Switch valve; 18. Gas outlet port; 19. High pressure dial; 20. Low pressure dial. Detailed Implementation

[0025] To better understand the above-mentioned objectives, features and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other.

[0026] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0027] Example 1: As Figures 1-5As shown, this utility model provides an anti-drop regulating valve suitable for high-pressure steel cylinders, including a steel cylinder body 1 and a regulating valve body 2. A mounting box 3 is provided on the top of the steel cylinder body 1. A concave insert 4 is movably fitted onto the outer wall of the regulating valve body 2. Two strip-shaped insertion holes 5 are opened on one side of the outer wall of the mounting box 3, and the outer wall of the concave insert 4 is movably inserted into the two strip-shaped insertion holes 5. Two U-shaped blocks 6 are fixedly installed on the outer wall of the mounting box 3. A strong spring 7 is fixedly installed on one side of the inner wall of each of the two U-shaped blocks 6, and a strong spring 7 is fixedly installed on one side of the outer wall of each of the two strong springs 7. The two U-shaped blocks 6 are equipped with connecting blocks 8. Each of the two U-shaped blocks 6 has a handle rod 9 movably inserted into one side of its outer wall. The two handle rods 9 are fixedly connected to the opposite side of the outer wall of the two connecting blocks 8. The other side of the outer wall of the two connecting blocks 8 is fixedly equipped with a pin 10. The outer wall of the concave plug 4 has two first insertion holes 11. The outer walls of the two pins 10 are movably inserted into the two first insertion holes 11. The outer wall of the mounting box 3 has two second insertion holes 12. The outer walls of the two pins 10 are movably inserted into the two second insertion holes 12.

[0028] The overall effect of Embodiment 1 is that when the regulating valve body 2 needs to be installed on the cylinder body 1 and the mounting box 3, the mounting box 3 is installed on the top of the cylinder body 1 without affecting the use of the switching valve 17 on the high-pressure cylinder. Since U-shaped blocks 6 are installed on both sides of the mounting box 3, and strong springs 7 are installed between the two U-shaped blocks 6 and the two connecting blocks 8, the handle rods 9 installed on one side of the outer wall of the two connecting blocks 8 are movably inserted into one end of the two U-shaped blocks 6. At this time, the two handle rods 9 are moved by external force, which drives the two connecting blocks 8 and the pins 10 installed on the other side of the outer wall of the two connecting blocks 8 to move, and at the same time squeezes the two strong springs 7. After the two pins 10 have moved a suitable distance along the second insertion holes 12 opened on both sides of the mounting box 3, one end of the regulating valve body 2 is inserted into the cylinder connection port 13 until... A concave insert 4 fitted at one end of the regulating valve body 2 is inserted into two strip-shaped insertion holes 5 on the mounting box 3. At this time, the two first insertion holes 11 on the concave insert 4 correspond to the two second insertion holes 12. Then, the two levers 9 with handles are released. Under the action of the two strong springs 7, the two pins 10 move along the two second insertion holes 12 and are inserted into the two first insertion holes 11. This limits the concave insert 4 to the two strip-shaped insertion holes 5 and the mounting box 3, and limits the regulating valve body 2 to the corresponding position. This ensures the stability of the connection between the regulating valve body 2 and the high-pressure cylinder. Since the connection is not made by bolts or the like, there will be no loose connection between one end of the regulating valve body 2 and the cylinder connection port 13 of the high-pressure cylinder body 1, which would cause the regulating valve body 2 to fall off. This improves the performance of the regulating valve on the high-pressure cylinder.

[0029] Example 2: Figures 2-5 As shown, a cylinder connection port 13 is provided on one side of the outer wall of the mounting box 3, and the outer wall of the regulating valve body 2 is movably inserted into the cylinder connection port 13. A fixing ring 14 is fixedly sleeved on the outer wall of the regulating valve body 2, and one side of the outer wall of the fixing ring 14 contacts the opposite side of the outer wall of the concave plug 4. A limit ring 15 is threadedly connected to the outer wall of the regulating valve body 2, and one side of the outer wall of the limit ring 15 contacts the inner wall of the concave plug 4. A sealing gasket 16 is fixedly installed on one side of the outer wall of the limit ring 15, and one side of the outer wall of the sealing gasket 16 contacts the opposite side of the outer wall of the cylinder connection port 13. A switch valve 17 is provided on the top of the mounting box 3. An air outlet port 18 is provided on one side of the outer wall of the regulating valve body 2. A high-pressure gauge 19 is provided on one side of the outer wall of the regulating valve body 2, and a low-pressure gauge 20 is provided on the other side of the outer wall of the regulating valve body 2.

[0030] The effect achieved by the entire embodiment 2 is as follows: a fixing ring 14 is fixedly sleeved on one end of the regulating valve body 2, and then a concave insert 4 is sleeved on one end of the regulating valve body 2, so that one side of the concave insert 4 is in close contact with the opposite side of the fixing ring 14. Since a thread is provided on one end of the regulating valve body 2, the limiting ring 15 moves upward through the thread until one side of the limiting ring 15 is in close contact with one side of the concave insert 4, thereby limiting the concave insert 4 on one end of the regulating valve body 2, and at the same time, it is also located in a fixed position. Between the fixed ring 14 and the limiting ring 15, a sealing gasket 16 is fixedly installed on one side of the outer wall of the limiting ring 15. When one end of the regulating valve body 2 is fully inserted into the cylinder connection port 13, the sealing gasket 16 is located at the point where the limiting ring 15 and the cylinder connection port 13 are located, thus achieving a sealing effect. Furthermore, the high-pressure dial 19 on the regulating valve body 2 displays the pressure inside the cylinder, and the low-pressure dial 20 limits the output pressure and can be adjusted by a knob, further improving the performance of the regulating valve on high-pressure cylinders.

[0031] Working principle: First, the concave insert 4 to be installed is fitted onto one end of the regulating valve body 2, close to the fixing ring 14. Then, the limiting ring 15 is threaded onto this end until the concave insert 4 is located between the fixing ring 14 and the limiting ring 15. Next, the two connecting blocks 8 are moved by the two levers 9 with handles, and the two connecting blocks 8 drive the two pins 10 to move within the second insertion holes 12 opened on both sides of the mounting box 3. At the same time, the strong springs 7 installed between the two U-shaped blocks 6 and the connecting blocks 8 are compressed. Then, one end of the regulating valve body 2 is inserted into the cylinder connection port 13 until the sealing gasket 16 installed on one side of the outer wall of the limiting ring 15 is in close contact with the cylinder connection port 13, and the concave insert 4 is just inserted. The two strip-shaped insertion holes 5 are opened on the mounting box 3, and the two first insertion holes 11 and two second insertion holes 12 on the concave insertion block 4 are aligned and connected. Then, the two handle-pulling rods 9 are released. Under the action of the two strong springs 7, the two connecting blocks 8 and two pins 10 are moved, and the two pins 10 are inserted into the two first insertion holes 11, limiting the regulating valve body 2 to the corresponding position. While ensuring a stable connection between the regulating valve body 2 and the high-pressure cylinder body 1, it is not connected by bolts or the like. Therefore, there will be no loose connection between one end of the regulating valve body 2 and the cylinder connection port 13, and the regulating valve body 2 will not fall off the high-pressure cylinder, thereby improving the performance of the regulating valve on the high-pressure cylinder.

[0032] The above are merely preferred embodiments of this utility model and are not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from the technical solution of this utility model shall still fall within the protection scope of this utility model.

Claims

1. A regulating valve for preventing the cylinder from falling off, comprising a cylinder body (1) and a regulating valve body (2), characterized in that: The top of the cylinder body (1) is provided with an installation box (3), the outer wall of the regulating valve body (2) is movably fitted with a concave insert (4), the outer wall of the installation box (3) has two strip-shaped insertion holes (5) on one side, and the outer wall of the concave insert (4) is movably inserted into the two strip-shaped insertion holes (5). The outer wall of the installation box (3) is fixedly installed with two U-shaped blocks (6), the inner wall of the two U-shaped blocks (6) is fixedly installed with a strong spring (7), the outer wall of the two strong springs (7) is fixedly installed with a connecting block (8), the outer wall of the two U-shaped blocks (6) is movably inserted with a handle rod (9), and the outer wall of the two handle rods (9) is fixedly connected to the opposite side of the outer wall of the two connecting blocks (8).

2. The anti-drop regulating valve for high-pressure gas cylinders according to claim 1, characterized in that: Pins (10) are fixedly installed on the other side of the outer wall of both connecting blocks (8).

3. The anti-drop regulating valve for high-pressure steel cylinders according to claim 2, characterized in that: The concave plug (4) has two first insertion holes (11) on its outer wall, and the outer walls of the two pins (10) are movably inserted into the two first insertion holes (11).

4. The anti-drop regulating valve for high-pressure gas cylinders according to claim 3, characterized in that: The outer wall of the mounting box (3) has two second sockets (12), and the outer walls of the two pins (10) are movably inserted into the two second sockets (12).

5. A pressure-resistant regulating valve for high-pressure cylinders according to claim 4, characterized in that: The outer wall of the mounting box (3) is provided with a cylinder connection port (13), and the outer wall of the regulating valve body (2) is movably inserted into the cylinder connection port (13).

6. A regulating valve for preventing detachment of high-pressure steel cylinders according to claim 5, characterized in that: The outer wall of the regulating valve body (2) is fixedly fitted with a fixing ring (14), and one side of the outer wall of the fixing ring (14) is in contact with the opposite side of the outer wall of the concave plug (4).

7. A pressure-resistant regulating valve for high-pressure cylinders according to claim 6, characterized in that: The outer wall of the regulating valve body (2) is threaded with a limiting ring (15), and one side of the outer wall of the limiting ring (15) contacts one side of the inner wall of the concave plug (4).

8. A regulating valve for preventing detachment of high-pressure steel cylinders according to claim 7, characterized in that: A sealing gasket (16) is fixedly installed on one side of the outer wall of the limiting ring (15), and one side of the outer wall of the sealing gasket (16) is in contact with the opposite side of the outer wall of the cylinder connection port (13).

9. A regulating valve for preventing detachment of high-pressure steel cylinders according to claim 8, characterized in that: The top of the mounting box (3) is provided with a switch valve (17), and the outer wall of the regulating valve body (2) is provided with an air outlet (18).

10. A regulating valve for preventing detachment of high-pressure steel cylinders according to claim 9, characterized in that: A high-pressure dial (19) is provided on one side of the outer wall of the regulating valve body (2), and a low-pressure dial (20) is provided on the other side of the outer wall of the regulating valve body (2).

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