Convenient-to-adjust self-operated pressure regulating valve for steam pipeline

Abstract

The utility model discloses a steam pipeline self-operated pressure regulating valve convenient to adjust, and relates to the technical field of steam pipeline pressure regulating valves, the steam pipeline self-operated pressure regulating valve comprises a self-operated pressure regulating valve body, an adjusting ring is arranged at the center of the top of the self-operated pressure regulating valve body, and the top of the adjusting ring abuts against a first adjusting spring; and fixing rods are symmetrically and detachably mounted at the top of the self-operated pressure regulating valve main body. According to the convenient-to-adjust self-operated pressure regulating valve for the steam pipeline, the first regulating spring is pulled by the steel wire rope to be compressed upwards, friction of the first regulating spring to the regulating ring when the regulating ring is rotated is reduced, more labor is saved in adjustment, and the storage barrel is matched with the movable rod and the semicircular ring to serve as an extension arm on the regulating ring, so that the pressure regulating valve is convenient to adjust. A worker can conveniently pull the extending arm to adjust the adjusting ring in a labor-saving mode, and after the adjusting ring is adjusted, the adjusting ring is supported by the containing cylinder in cooperation with the elastic rubber column, the movable rod, the semicircular ring and the fixed rod when moving, and the adjusting ring is more stable in use.

Description

Technical Field

[0001] The utility model relates to the technical field of steam pipeline pressure regulating valves, in particular to a self-operated pressure regulating valve for steam pipelines which is easy to adjust. Background Art

[0002] When transporting steam, a steam pipeline needs to use a pressure regulating valve to control the steam pressure during diversion and output in the pipeline. Existing steam pipelines mostly use self-operated pressure regulating valves to regulate the steam pressure in the steam pipeline. The self-operated pressure regulating valve adopts a top-mounted structure, which reduces the connecting bolts of the valve body itself under high pressure and large diameter conditions, enhances the reliability of the valve and can overcome the influence of the system's own weight on the normal operation of the valve.

[0003] However, when the existing self-operated pressure regulating valve for steam pipelines is used to rotate the adjusting ring, the adjusting ring is not easy to rotate due to the pressure of the adjusting spring under its own elastic force. Due to the limitation of the diameter of the adjusting ring itself, workers often need to use other tools to assist in rotating the adjusting ring, which is inconvenient to adjust and use. In order to solve the shortcomings of the existing technology, we propose a self-operated pressure regulating valve for steam pipelines that is easy to adjust. Utility Model Content

[0004] The main purpose of the utility model is to provide a self-operated pressure regulating valve for a steam pipeline which is easy to adjust and can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A self-operated pressure-regulating valve for a steam pipeline that is easy to adjust, comprises a self-operated pressure-regulating valve body, an adjusting ring is arranged at the center of the top of the self-operated pressure-regulating valve body, a first adjusting spring is abutted on the top of the adjusting ring, a fixing rod is symmetrically and detachably installed on the top of the self-operated pressure-regulating valve body, a fixing plate is detachably installed on the top of the fixing rod, external threaded sleeves are fixedly sleeved on the outer sides of two fixing rods, limiting plates are detachably installed on both ends of the two external threaded sleeves, two adjusting nuts are threadedly connected on the outer sides of the two external threaded sleeves, a first movable ring and a second movable ring are movably sleeved on the outer sides of the two external threaded sleeves, a steel wire rope is detachably installed on one side of the first movable ring, a connector is detachably installed on one side of the second movable ring, storage cylinders are detachably installed on both sides of the adjusting ring, an elastic rubber column is detachably installed on one side of the inner wall of the storage cylinder, a movable rod is detachably installed on one end of the elastic rubber column, a semicircular ring is detachably installed on one end of the movable rod, and the inner side of the semicircular ring abuts against the outer side of the fixed rod.

[0007] Preferably, a first push rod is detachably mounted at the top center of the self-operated pressure regulating valve body, the top center of the adjustment ring is threadedly connected to the outer side of the first push rod, a second push rod is detachably mounted on the top of the first push rod, and a second adjustment spring is movably sleeved on the outer side of the second push rod.

[0008] Preferably, two ends of the second movable ring are in contact with two identical adjusting nuts, and the inner side of the limiting plate is fixedly sleeved with the outer side of the fixing rod.

[0009] Preferably, a thread is arranged on the outer side of one end of the steel wire rope, a threaded hole is opened at one end of the connector, and the inside of the threaded hole opened in the connector matches the thread arranged on the outer side of one end of the steel wire rope.

[0010] Preferably, a first limiting ring is detachably mounted on the inner wall of the storage tube, a second limiting ring is fixedly sleeved on the outer side of one end of the movable rod, the outer side of the second limiting ring is slidably connected to the inside of the storage tube, and the inner side of the first limiting ring is slidably connected to the outer side of the movable rod.

[0011] Preferably, the diameter of the first limiting ring is the same as the diameter of the second limiting ring, the inner diameter of the first limiting ring is the same as the inner diameter of the second limiting ring, and one side of the first limiting ring abuts against one side of the second limiting ring.

[0012] Beneficial Effects

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. In the utility model, two identical adjusting nuts are rotated to push the first movable ring and the second movable ring to move upward, driving the wire rope to move upward. The wire rope pulls the first adjusting spring upward for compression, reducing the push of the first adjusting spring on the adjusting ring under its own elastic force, thereby reducing the friction of the first adjusting spring on the adjusting ring when the adjusting ring is rotated, making the adjustment more labor-saving and convenient.

[0015] 2. In the utility model, the storage cylinder cooperates with the movable rod and the semicircular ring as an extension arm on the adjustment ring, which makes it convenient for workers to pull the extension arm to adjust the adjustment ring with ease. The workers do not need to bring their own tools to rotate the adjustment ring. After the adjustment of the adjustment ring is completed, the adjustment ring is supported by the storage cylinder, the elastic rubber column, the movable rod, the semicircular ring and the fixed rod when it moves, so that the adjustment ring is more stable to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 yes Figure 1 A magnified image of the middle A area;

[0018] Figure 3 yes Figure 1 Enlarged view of area B;

[0019] Figure 4 It is a front sectional view of the movable rod of the utility model.

[0020] In the figure: 1. Self-operated pressure regulating valve body; 2. Adjusting ring; 3. First adjusting spring; 4. Fixing rod; 5. Fixing plate; 6. Externally threaded sleeve; 7. Limiting plate; 8. Adjusting nut; 9. First movable ring; 10. Second movable ring; 11. Wire rope; 12. Connecting head; 13. Storage tube; 14. Elastic rubber column; 15. Movable rod; 16. Semicircular ring; 17. First limiting ring; 18. Second limiting ring; 19. First push rod; 20. Second push rod; 21. Second adjusting spring. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figure 1-Figure 3As shown, a self-operated pressure-regulating valve for a steam pipeline that is easy to adjust comprises a self-operated pressure-regulating valve body 1, an adjusting ring 2 is arranged at the top center of the self-operated pressure-regulating valve body 1, a first adjusting spring 3 is abutted against the top of the adjusting ring 2, a fixing rod 4 is symmetrically and detachably installed on the top of the self-operated pressure-regulating valve body 1, a fixing plate 5 is detachably installed on the top of the fixing rod 4, external threaded sleeves 6 are fixedly sleeved on the outer sides of the two fixing rods 4, and limiting plates 7 are detachably installed on both ends of the two external threaded sleeves 6, two adjusting nuts 8 are threadedly connected on the outer sides of the two external threaded sleeves 6, a first movable ring 9 and a second movable ring 10 are movably sleeved on the outer sides of the two external threaded sleeves 6, a steel wire rope 11 is detachably installed on one side of the first movable ring 9, and a connector 12 is detachably installed on one side of the second movable ring 10, a first push rod 19 is detachably installed on the top center of the self-operated pressure-regulating valve body 1, the top center of the adjusting ring 2 is threadedly connected to the outer side of the first push rod 19, a second push rod 20 is detachably installed on the top of the first push rod 19, and the second push rod 20 is detachably installed on the top of the second push rod 19. The second adjusting spring 21 is connected to the outer movable sleeve 20, and a thread is set on the outer side of one end of the wire rope 11, and a threaded hole is opened at one end of the connecting head 12. The interior of the threaded hole opened by the connecting head 12 matches the thread set on the outer side of one end of the wire rope 11. By pulling the wire rope 11, it is respectively wrapped around the two sides of the first adjusting spring 3 and passed through, and the end of the wire rope 11 with the thread is threadedly connected with the inner thread of the threaded hole opened by the connecting head 12. The wire rope 11 is wrapped around the first adjusting spring 3 and connected to the connecting head 12 and then tightened. Then, two identical adjusting nuts 8 at the bottom of the first movable ring 9 and the second movable ring 10 on the two externally threaded sleeves 6 are twisted. The two identical adjusting nuts 8 rotate to push the first movable ring 9 and the second movable ring 10 to move upward, driving the wire rope 11 to move upward. The wire rope 11 pulls the first adjusting spring 3 to compress upward, reducing the push of the first adjusting spring 3 on the adjusting ring 2 under its own elastic force, and reducing the friction of the first adjusting spring 3 on the adjusting ring 2 when the adjusting ring 2 is rotated, so that the adjustment is more labor-saving and convenient.

[0023] like Figure 3 and Figure 4 As shown, the storage cylinder 13 can be detachably installed on both symmetrical sides of the adjustment ring 2, and an elastic rubber column 14 can be detachably installed on one side of the inner wall of the storage cylinder 13, a movable rod 15 can be detachably installed on one end of the elastic rubber column 14, a semicircular ring 16 can be detachably installed on one end of the movable rod 15, and the inner side of the semicircular ring 16 abuts against the outer side of the fixed rod 4, a first limiting ring 17 can be detachably installed on the inner wall of the storage cylinder 13, a second limiting ring 18 is fixedly sleeved on the outer side of one end of the movable rod 15, the outer side of the second limiting ring 18 is slidably connected to the inside of the storage cylinder 13, the inner side of the first limiting ring 17 is slidably connected to the outer side of the movable rod 15, the first limiting ring 17 limits the second limiting ring 18 to prevent the movable rod 15 connected to the second limiting ring 18 from sliding out of the storage cylinder 13.

[0024] In order to save effort in rotating the adjusting ring 2, the semicircular rings 16 on both sides of the adjusting ring 2 are pushed to drive the movable rod 15 to compress the elastic rubber column 14 into the storage tube 13, and the semicircular rings 16 are separated from the fixed rod 4. The semicircular rings 16 on both sides of the adjusting ring 2 are pulled to drive the movable rod 15 to drive the storage tube 13 to drive the adjusting ring 2 to be twisted on the first push rod 19. The storage tube 13 is used in conjunction with the movable rod 15 and the semicircular rings 16 as an extension arm on the adjusting ring 2, so that workers can pull this extension arm to save effort in adjusting the adjusting ring 2.

[0025] How it works

[0026] It should be noted that the utility model is a self-operated pressure-regulating valve for steam pipes that is easy to adjust. When in use, first pull the wire rope 11 to wrap around the two sides of the first adjusting spring 3 and then pass through it, and connect the threaded end of the wire rope 11 with the internal thread of the threaded hole opened in the connector 12. The wire rope 11 is wrapped around the first adjusting spring 3 and connected to the connector 12 and then tightened. When it is necessary to twist the adjusting ring 2 upward for adjustment, at this time, first twist the two identical adjusting nuts 8 at the bottom of the first movable ring 9 and the second movable ring 10 on the two externally threaded sleeves 6. The two identical adjusting nuts 8 rotate to push the first movable ring 9 and the second movable ring 10 to move upward, driving the wire rope 11 to move upward. The wire rope 11 pulls the first adjusting spring 3 upward for compression, reducing the first adjusting spring 3's elastic force on the adjusting ring 2. The push of the ring 2 pushes the semicircular rings 16 on both sides of the adjusting ring 2 to drive the movable rod 15 to compress the elastic rubber column 14 into the storage tube 13, and the semicircular ring 16 is separated from the fixed rod 4. The semicircular rings 16 on both sides of the adjusting ring 2 are pulled to drive the movable rod 15 to drive the storage tube 13 to drive the adjusting ring 2 to be twisted on the self-operated pressure regulating valve body 1, and the adjusting ring 2 is twisted to rotate on the self-operated pressure regulating valve body 1. After adjusting the adjusting ring 2, the two identical adjusting nuts 8 are screwed back downwards. The first movable ring 9 and the second movable ring 10 drive the wire rope 11 to fall back to their original positions after losing the push of the adjusting nut 8. The bottom of the first adjusting spring 3 falls to the top of the adjusting ring 2 after losing the upward pulling force of the wire rope 11, and then the connection between the wire rope 11 and the connecting head 12 is released, and the wire rope 11 is put back to its original position, so as to achieve the purpose of labor-saving adjustment of the adjusting ring 2.

[0027] When there is no need to adjust the adjusting ring 2, the symmetrical fixed rods 4 on the top of the self-operated pressure-regulating valve body 1 respectively support two semicircular rings 16, the semicircular rings 16 support the movable rod 15, the movable rod 15 supports the elastic rubber column 14 to support the storage tube 13, so that the two storage tubes 13 support the adjusting ring 2. When the self-operated pressure-regulating valve body 1 is in use, the steam passing through the self-operated pressure-regulating valve body 1 pushes the first push rod 19 to drive the adjusting ring 2 to move upward and compress the first adjusting spring 3. When the adjusting ring 2 moves upward, it is supported by the storage tube 13 in cooperation with the elastic rubber column 14, the movable rod 15, the semicircular rings 16 and the fixed rod 4, so that the adjusting ring 2 can be used more stably.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A self-operated pressure regulating valve for a steam pipeline that is easy to adjust, comprising a self-operated pressure regulating valve body (1), characterized in that: An adjusting ring (2) is arranged at the center of the top of the self-operated pressure regulating valve body (1), and a first adjusting spring (3) is abutted against the top of the adjusting ring (2). A fixing rod (4) is symmetrically and detachably mounted on the top of the self-operated pressure regulating valve body (1), and a fixing plate (5) is detachably mounted on the top of the fixing rod (4). Externally threaded sleeves (6) are fixedly sleeved on the outer sides of the two fixing rods (4), and limiting plates (7) are detachably mounted on both ends of the two externally threaded sleeves (6). Two adjusting nuts (8) are threadedly connected to the outer sides of the two externally threaded sleeves (6), and the outer sides of the two externally threaded sleeves (6) are movable. A first movable ring (9) and a second movable ring (10) are sleeved, a steel wire rope (11) is detachably mounted on one side of the first movable ring (9), a connector (12) is detachably mounted on one side of the second movable ring (10), storage tubes (13) are detachably mounted on both symmetrical sides of the adjustment ring (2), an elastic rubber column (14) is detachably mounted on one side of the inner wall of the storage tube (13), a movable rod (15) is detachably mounted on one end of the elastic rubber column (14), a semicircular ring (16) is detachably mounted on one end of the movable rod (15), and the inner side of the semicircular ring (16) is in contact with the outer side of the fixed rod (4).

2. The self-operated pressure regulating valve for steam pipelines that is easy to adjust according to claim 1 is characterized in that: A first push rod (19) is detachably mounted at the top center of the self-operated pressure regulating valve body (1); the top center of the adjusting ring (2) is threadedly connected to the outer side of the first push rod (19); a second push rod (20) is detachably mounted at the top of the first push rod (19); and a second adjusting spring (21) is movably sleeved on the outer side of the second push rod (20).

3. The self-operated pressure regulating valve for steam pipelines that is easy to adjust according to claim 1 is characterized in that: The two ends of the second movable ring (10) are in contact with two identical adjusting nuts (8), and the inner side of the limit plate (7) is fixedly sleeved with the outer side of the fixed rod (4).

4. The self-operated pressure regulating valve for steam pipelines that is easy to adjust according to claim 1 is characterized in that: A thread is arranged on the outer side of one end of the steel wire rope (11), a threaded hole is opened on one end of the connector (12), and the interior of the threaded hole opened in the connector (12) matches the thread arranged on the outer side of one end of the steel wire rope (11).

5. The self-operated pressure regulating valve for steam pipelines that is easy to adjust according to claim 1 is characterized in that: A first limiting ring (17) is detachably mounted on the inner wall of the storage tube (13); a second limiting ring (18) is fixedly sleeved on the outer side of one end of the movable rod (15); the outer side of the second limiting ring (18) is slidably connected to the inside of the storage tube (13); and the inner side of the first limiting ring (17) is slidably connected to the outer side of the movable rod (15).

6. The self-operated pressure regulating valve for steam pipelines that is easy to adjust according to claim 5 is characterized in that: The diameter of the first limiting ring (17) is the same as that of the second limiting ring (18), the inner diameter of the first limiting ring (17) is the same as that of the second limiting ring (18), and one side of the first limiting ring (17) abuts against one side of the second limiting ring (18).

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