A new type of pressure-regulated pressure-keeping and pressure-relieving valve

Abstract

The utility model discloses a novel pressure regulating's pressure stabilizing and pressure relief valve, including main part, adjusting cover, inner core, inner convex ring, cylinder, roof, adjusting nut, round hole, first O type ring, first spring, through -hole, second spring and second spring mounting hole. The utility model proposes novel pressure regulating's pressure stabilizing and pressure relief valve, novel structure, production and processing are simple and convenient, can make the equipment with various cavity shell inside keep certain required pressure, and can automatic regulation and keep internal pressure balance. When this pressure stabilizing and pressure relief valve leaves factory, can adjust different pressure stabilizing pressure and pressure relief pressure according to different customer demand, the scope of application is wide, and the function reliability is high, and can be repeatedly used. The integral pressure stabilizing and pressure relief structure in this pressure stabilizing and pressure relief valve, control pressure precision is high, ensures the security of using equipment, prolongs the service life of using equipment.

Description

Technical Field

[0001] This utility model relates to the field of valve body technology, specifically to a novel pressure regulating and pressure relief valve. Background Technology

[0002] A pressure relief valve is a pressure control device widely used in industries such as petrochemicals, power, steel, and fertilizers. Its main function is to protect the pressure of the medium inside the equipment from exceeding a set limit, preventing accidents caused by excessive pressure. Once the pressure drops to a safe range, the pressure relief valve will automatically close, preventing further leakage of the medium.

[0003] In the current technology, various pressure relief valves on the market have limited functions and low pressure control accuracy in low-pressure scenarios; in actual market applications, the accuracy cannot be guaranteed when low-pressure control is required for special use scenarios.

[0004] Therefore, improvements must be made to address the aforementioned deficiencies. Utility Model Content

[0005] The purpose of this invention is to provide a novel pressure regulating and pressure relief valve to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A novel pressure-regulating and pressure-relieving valve includes a main body, an adjusting cover threaded to the top of the main body, an inner core inserted inside the main body, an inner convex ring inside the main body, and an inner core comprising a cylinder and a top plate at the top of the cylinder. The bottom end of the cylinder passes through the inner convex ring and extends to the lower end of the main body. An adjusting nut threadedly connected to the lower end of the cylinder is provided at the lower end of the main body. Circular holes communicating with the interior of the main body are provided on the outer walls at both ends of the main body, and the circular holes are located above the inner convex ring. A first O-ring is provided between the top plate and the inner convex ring. A first spring is provided inside the adjusting cover, with the upper end of the first spring contacting the top end of the inner core of the adjusting cover and the lower end of the first spring contacting the top plate. Multiple through holes are evenly provided on the inner convex ring around the cylinder, and the through holes pass through the inner convex ring vertically. A second spring is sleeved on the lower end of the cylinder, and a second spring mounting hole is provided on the lower end face of the inner convex ring. The upper end of the second spring is located in the second spring mounting hole, and the lower end of the second spring contacts the adjusting nut.

[0008] Furthermore, the inner wall of the top of the main body is provided with a first internal thread, and the adjusting cover includes a cover plate and a circle below the cover plate. The outer wall of the circle is provided with a first external thread that mates with the first internal thread.

[0009] Furthermore, the outer wall of the lower end of the cylinder is provided with a second external thread that mates with the adjusting nut.

[0010] Furthermore, a hexagonal ring plate is provided on the outer wall of the middle part of the main body.

[0011] Furthermore, a third external thread is provided on the lower outer wall of the main body, and a second O-ring is fitted at the top of the third external thread.

[0012] Furthermore, the top of the adjusting cover is provided with a first spring mounting groove that cooperates with the first spring, and the upper surface of the top plate is provided with a second spring mounting groove that cooperates with the first spring.

[0013] Furthermore, the upper end face of the inner convex ring is provided with a first slot for placing the first O-ring, and the lower end face of the top plate is provided with a second slot for positioning the first O-ring.

[0014] Furthermore, notches are provided on both sides of the adjusting nut.

[0015] Furthermore, there are four through holes evenly arranged.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] This utility model presents a novel pressure regulating and stabilizing valve with a novel structure and simple manufacturing process. It allows equipment and various hollow housings to maintain a certain required pressure, and can automatically adjust and maintain internal pressure balance. This pressure regulating and stabilizing valve can be adjusted to different stabilizing and relieving pressures according to different customer needs at the factory; it has a wide range of applications, high functional reliability, and is reusable. The integrated internal pressure regulating and relieving structure of this valve provides high pressure control accuracy, ensuring the safety of the equipment and extending its service life. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the exploded structure of this utility model;

[0019] Figure 2 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 3 This is a schematic diagram of the exhaust pressure balance structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the sealed and pressure-stabilized structure of this utility model.

[0022] In the diagram: 1. Adjusting cover; 101. Cover plate; 102. Circle; 103. First external thread; 2. First spring; 3. Inner core; 301. Second spring mounting groove; 302. Top plate; 303. Cylindrical; 304. Second external thread; 4. First O-ring; 5. Main body; 501. First internal thread; 502. Round hole; 503. Hexagonal ring plate; 504. Third external thread; 505. Through hole; 506. Second spring mounting hole; 507. Inner convex ring; 6. Second O-ring; 7. Second spring; 8. Adjusting nut; 801. Notch. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0024] Please see Figures 1 to 4 This utility model provides a novel pressure regulating and pressure relief valve, comprising a main body 5, with an adjusting cover 1 threadedly connected to the top of the main body 5. An inner core 3 is inserted into the interior of the main body 5, and an inner convex ring 507 is provided inside the main body 5. The inner core 3 includes a cylinder 303 and a top plate 302 located at the top of the cylinder 303. The bottom end of the cylinder 303 passes through the inner convex ring 507 and extends to the lower interior end of the main body 5. An adjusting nut 8 is provided at the lower interior end of the main body 5, threadedly connected to the lower end of the cylinder 303. Circular holes 502 communicating with the interior of the main body 5 are provided on the outer walls at both ends of the main body 5. The circular holes 502 are located within the inner convex ring 507. Above the top plate 302, a first O-ring 4 is provided between the top plate 302 and the inner convex ring 507. A first spring 2 is provided inside the adjusting cover 1. The upper end of the first spring 2 contacts the top end inside the adjusting cover 1, and the lower end of the first spring 2 contacts the top plate 302. Multiple through holes 505 are evenly provided on the inner convex ring 507 around the cylinder 303. The through holes 505 penetrate the inner convex ring 507 vertically. A second spring 7 is sleeved on the lower end of the cylinder 303. A second spring mounting hole is provided on the lower end surface of the inner convex ring 507. The upper end of the second spring 7 is located in the second spring mounting hole, and the lower end of the second spring 7 contacts the adjusting nut 8. The inner convex ring 507 is integrally formed with the main body 5.

[0025] The pressure relief assembly consists of an adjusting cap 1, an inner core 3, an adjusting nut 8, a first O-ring 4, a first spring 2, and a second spring 7. The first spring 2 and the second spring 7 are respectively set at the top and bottom to improve the accuracy and sealing of the pressure relief. The first spring 2 and the second spring 7 control the pressure relief. The adjusting nut 8 and the adjusting cap 1 can be screwed on to make more precise pressure adjustment.

[0026] The novel pressure-regulating and stabilizing valve in this technical solution features a novel structure and is easy to manufacture. It allows equipment to maintain a specific pressure within various cavity housings and can automatically adjust and maintain internal pressure balance. This pressure-regulating and stabilizing valve can be customized to different customer needs at the factory, offering a wide range of applications, high reliability, and reusability. Its integrated internal pressure-regulating and stabilizing structure ensures high pressure control accuracy, guarantees equipment safety, and extends equipment lifespan.

[0027] For example, in some embodiments, the inner wall of the top of the main body 5 is provided with a first internal thread 501, and the adjusting cover 1 includes a cover plate 101 and a circle 102 below the cover plate 101. The outer wall of the circle 102 is provided with a first external thread 103 that mates with the first internal thread 501. This facilitates the adjustment of the pressure.

[0028] For example, in some embodiments, the outer wall of the lower end of the cylinder 303 is provided with a second external thread 304 that mates with the adjusting nut 8. This facilitates the adjustment of the pressure.

[0029] For example, in some embodiments, a hexagonal ring plate 503 is provided on the outer wall of the middle part of the main body 5. This facilitates the installation and connection of the product.

[0030] For example, in some embodiments, a third external thread 504 is provided on the lower outer wall of the main body 5, and a second O-ring 6 is fitted onto the top of the third external thread 504. This makes the product connection tighter.

[0031] For example, in some embodiments, the top of the inner part of the adjusting cover 1 is provided with a first spring mounting groove that cooperates with the first spring 2, and the upper surface of the top plate 302 is provided with a second spring mounting groove 301 that cooperates with the first spring 2. This prevents the first spring 2 from easily shifting, ensuring the stable performance of the product during use.

[0032] For example, in some embodiments, the upper surface of the inner convex ring is provided with a first groove for placing the first O-ring 4, and the lower surface of the top plate 302 is provided with a second groove for positioning the first O-ring 4. This prevents the first O-ring 4 from easily shifting, ensuring the stable performance of the product during use.

[0033] For example, in some embodiments, the adjusting nut 8 has notches 801 on both sides. This facilitates the adjustment of pressure by rotating the adjusting nut 8.

[0034] For example, in some embodiments, four through holes 505 are evenly arranged. The through holes 505 are used for venting, depressurizing, and balancing pressure. The number of through holes 505 can be set to other numbers according to actual requirements, and is not limited to four in the preferred embodiment.

[0035] In summary, the novel pressure-regulating and stabilizing valve proposed in this invention features a novel structure and is easy to manufacture and process. It allows equipment to maintain a certain required pressure within various cavity housings and can automatically adjust and maintain internal pressure balance. This pressure-regulating and stabilizing valve can be adjusted to different stabilizing and relieving pressures according to different customer needs at the factory; it has a wide range of applications, high functional reliability, and is reusable. The integrated internal pressure-regulating and relieving structure of this valve provides high pressure control accuracy, ensuring the safety of the equipment and extending its service life.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A novel pressure regulating and pressure relief valve, characterized in that: The device includes a main body with an adjusting cap threaded to its top. An inner core is inserted into the main body, and an inner convex ring is located inside. The inner core comprises a cylinder and a top plate at the top of the cylinder. The bottom end of the cylinder passes through the inner convex ring and extends to the lower end of the main body. An adjusting nut, threaded to the lower end of the cylinder, is located at the lower end of the main body. Circular holes communicating with the interior of the main body are located on the outer walls at both ends of the main body, above the inner convex ring. A first O-ring is located between the top plate and the inner convex ring. A first spring is located inside the adjusting cap, with its upper end contacting the top end of the adjusting cap and its lower end contacting the top plate. Multiple through holes are evenly distributed around the inner convex ring, penetrating vertically through the inner convex ring. A second spring is fitted onto the lower end of the cylinder, with a second spring mounting hole on the lower surface of the inner convex ring. The upper end of the second spring is located within the second spring mounting hole, and its lower end contacts the adjusting nut.

2. The novel pressure regulating and pressure relief valve according to claim 1, characterized in that: The inner wall of the top of the main body is provided with a first internal thread, and the adjusting cover includes a cover plate and a circle below the cover plate. The outer wall of the circle is provided with a first external thread that mates with the first internal thread.

3. The novel pressure regulating and pressure relief valve according to claim 1, characterized in that: The outer wall of the lower end of the cylinder is provided with a second external thread that mates with the adjusting nut.

4. The novel pressure regulating and pressure relief valve according to claim 1, characterized in that: A hexagonal ring plate is provided on the outer wall of the middle part of the main body.

5. A novel pressure regulating and pressure relief valve according to claim 1, characterized in that: The lower outer wall of the main body is provided with a third external thread, and a second O-ring is fitted at the top of the third external thread.

6. A novel pressure regulating and pressure relief valve according to claim 1, characterized in that: The top of the adjusting cover is provided with a first spring mounting groove that cooperates with the first spring, and the upper surface of the top plate is provided with a second spring mounting groove that cooperates with the first spring.

7. A novel pressure regulating and pressure relief valve according to claim 1, characterized in that: The upper surface of the inner convex ring is provided with a first slot for placing the first O-ring, and the lower surface of the top plate is provided with a second slot for positioning the first O-ring.

8. A novel pressure regulating and pressure relief valve according to claim 1, characterized in that: The adjusting nut has notches on both sides.

9. A novel pressure regulating and pressure relief valve according to claim 1, characterized in that: The through holes are four in number, evenly spaced.

Images