Hydraulic valve for anti-static oil storage tank

Abstract

The utility model discloses a hydraulic valve for anti -static oil storage tank, including the shell, the shell top rotary joint is equipped with the rotary sleeve, the rotary sleeve bottom is fixed with screw rod, the screw rod bottom rotary joint is equipped with the abutment plate, the abutment plate bottom is fixed with the support, the support is fixedly connected with the shell inner wall, the abutment plate top abuts and is equipped with the push -back, the screw rod outer wall is equipped with the transmission sleeve of screw connection, the transmission sleeve outside is fixed with the adjusting sleeve, be equipped with the pressure spring between the adjusting sleeve and the push -back, through the innovative screw rod and transmission sleeve design, the technical problem of traditional hydraulic valve preset threshold adjustment difficulty is solved ingeniously, and the operator only needs to rotate the rotary sleeve located in the shell top, can drive the screw rod rotation and transmission sleeve and carry out the screw thread cooperation, makes transmission sleeve drive adjusting sleeve along screw rod and moves to accurate extrusion or extension adjustment for the pressure spring, realizes the stepless adjustment and control of relief valve value.

Description

Technical Field

[0001] This utility model relates to the field of oil storage tank technology, and more specifically, it relates to a hydraulic valve for antistatic oil storage tanks. Background Technology

[0002] As a critical liquid storage device, the safe operation of anti-static oil storage tanks directly affects the stability of the production process and the overall safety level. Currently, hydraulic valve systems on the market generally suffer from difficulties in adjusting preset thresholds. When operators need to adjust pressure relief parameters for different types of oil or seasonal temperature changes, they often need to disassemble the entire valve body structure, replace internal parts, or recalibrate parameters. This process is not only time-consuming and labor-intensive but also requires on-site operation by specialized technicians, making rapid response and flexible adjustment impossible. Especially in remote oil storage bases or facilities in remote areas, limited technical support significantly increases the difficulty of adjustment, severely impacting the adaptability and operational efficiency of the equipment and failing to meet the actual needs of modern oil storage systems for precise pressure control and rapid parameter adjustment.

[0003] Hydraulic valves in the present technology generally suffer from poor sealing and slight leakage when not under pressure relief. These seemingly minor defects may lead to serious consequences in long-term operation. Poor sealing can cause the gradual leakage of flammable and explosive substances, increasing environmental pollution and safety hazards. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] In view of the problems existing in the prior art, this utility model provides a hydraulic valve for antistatic oil storage tanks to solve the technical problems mentioned in the background art.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a hydraulic valve for an antistatic oil storage tank, comprising a housing, a rotating sleeve rotatably connected to the top of the housing, a screw fixedly mounted on the bottom surface of the rotating sleeve, an abutment plate rotatably connected to the bottom end of the screw, a bracket fixedly mounted on the bottom end of the abutment plate, the bracket being fixedly connected to the inner wall of the housing, a push plate abutting against the top surface of the abutment plate, a transmission sleeve threadedly connected to the outer wall of the screw, an adjusting sleeve fixedly mounted on the outer side of the transmission sleeve, and a compression spring connected between the adjusting sleeve and the push plate.

[0008] The present invention is further configured such that a threaded tube is fixedly installed on the bottom surface of the bracket. The design of the threaded tube enables the standardized connection between the hydraulic valve for the antistatic oil storage tank and oil storage tanks of various specifications. The threaded structure ensures the firmness and sealing of the connection.

[0009] The present invention is further configured such that a limiting rod is fixedly provided on the inner side of the outer shell. Multiple sets of limiting rods are provided and all are slidably connected to the adjusting sleeve. The setting of multiple sets of limiting rods effectively prevents the adjusting sleeve from deflecting and shaking during the adjustment process, ensuring that the adjusting sleeve can only move along the screw axis without causing radial displacement.

[0010] The present invention is further configured such that a guide groove is provided on the inner wall of the outer shell, and a guide plate is fixedly provided on the outer side of the push plate. Multiple sets of guide grooves and guide plates are provided and slidably connected. The precise cooperation between the guide grooves and guide plates realizes the control and smooth guidance of the push plate's movement trajectory.

[0011] The present invention is further configured such that a pressure relief pipe is fixedly provided on the outer wall of the outer shell, and multiple sets of pressure relief pipes are provided. Through the uniform distribution design of multiple sets of pressure relief pipes, efficient balance and rapid response of the pressure relief process are achieved.

[0012] The present invention is further configured such that a connecting block is fixedly provided on the inner side of each of the multiple sets of pressure relief pipes, a tension spring is connected to the outer side of each of the multiple sets of connecting blocks, and a plug is connected to the top of each of the multiple sets of tension springs. When the pressure exceeds the threshold, the plug can automatically open under the action of pressure to overcome the resistance of the tension spring, and when the pressure drops, the tension spring can automatically pull back the plug to achieve a seal.

[0013] The present invention is further configured such that the inner walls of the multiple sets of plugs are provided with sealing grooves, and the multiple sets of sealing grooves respectively abut against the top of the multiple sets of pressure relief pipes. Through the precise matching design between the sealing grooves and the top of the pressure relief pipes, a sealing effect is achieved in the non-pressure relief state.

[0014] The present invention is further configured such that toothed grooves are provided between the push plate and the abutment plate and abut against each other. The toothed groove design on the surface of the push plate and the abutment plate significantly enhances the sealing performance and stability of the contact surface between the two. The labyrinth seal formed by the toothed structure has a larger contact area and a more complex leakage path than ordinary planar seals.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, this utility model provides a hydraulic valve for antistatic oil storage tanks, which has the following beneficial effects:

[0017] 1. This anti-static oil storage tank hydraulic valve cleverly solves the technical problem of difficult preset threshold adjustment in traditional hydraulic valves through an innovative screw and transmission sleeve design. The operator only needs to rotate the rotating sleeve located at the top of the outer shell to drive the screw to rotate and engage with the transmission sleeve through a threaded connection. This causes the transmission sleeve to move the adjusting sleeve along the screw, thereby precisely compressing or extending the pressure spring. This achieves stepless adjustment and control of the pressure relief threshold. This design not only greatly simplifies the adjustment process, eliminating the need to disassemble the valve body or replace internal parts, but also significantly improves the accuracy and convenience of adjustment. It allows operators to quickly adjust system parameters according to different oil characteristics or seasonal temperature changes, fully meeting the practical needs of modern oil storage systems for flexible adjustment and precise control.

[0018] 2. The core advantage of this device lies in its precise double-sealing structure design. The toothed groove between the push plate and the abutment plate forms the first sealing barrier, while the sealing groove on the inner wall of the plug and the tight fit with the top of the pressure relief pipe create the second sealing line. This multi-protection mechanism ensures the absolute sealing of the system in the non-pressure relief state. In particular, the tension spring allows the plug to automatically return to its original position and maintain a stable contact with the pressure relief pipe. The toothed design between the push plate and the abutment plate further enhances the reliability and durability of the seal, completely solving the problems of poor sealing and minor leakage in traditional hydraulic valves, and significantly improving the adaptability and safety of the equipment under various complex working conditions.

[0019] 3. This anti-static oil storage tank hydraulic valve also incorporates comprehensive structural optimization design. The sliding connection between the limit rod and the adjusting sleeve inside the shell ensures a smooth and controllable adjustment process. The coordinated work of the guide groove and the guide plate ensures precise positioning and smooth operation of the push plate. The even distribution of multiple pressure relief pipes achieves efficient and balanced pressure relief, reducing local pressure concentration and impact risks. At the same time, the threaded pipe design allows the device to achieve standardized connection with various oil storage tank systems. These carefully designed structural details together create a hydraulic valve system that is both flexible and efficient, as well as robust and durable. It provides an excellent equipment choice for industries such as petrochemicals and energy storage, effectively improving the operational safety and work efficiency of oil storage tank systems. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of a hydraulic valve for an antistatic oil storage tank according to the present invention;

[0021] Figure 2 This is a schematic cross-sectional view of the overall structure of this utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the present invention with a compression spring;

[0023] Figure 4This is a cross-sectional view of the outer shell of this utility model;

[0024] Figure 5 This is a cross-sectional view of the pressure relief pipe in this utility model.

[0025] In the diagram: 1. Outer shell; 2. Rotating sleeve; 3. Screw; 4. Abutment plate; 5. Bracket; 6. Push plate; 7. Transmission sleeve; 8. Adjusting sleeve; 9. Compression spring; 10. Threaded pipe; 11. Limiting rod; 12. Guide groove; 13. Guide plate; 14. Pressure relief pipe; 15. Connecting block; 16. Tension spring; 17. Plug; 18. Sealing groove. Detailed Implementation

[0026] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0028] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0029] Please see Figures 1-5 A hydraulic valve for an antistatic oil storage tank includes a housing 1. A rotating sleeve 2 is rotatably connected to the top of the housing 1. A screw 3 is fixedly provided on the bottom surface of the rotating sleeve 2. An abutment plate 4 is rotatably connected to the bottom end of the screw 3. A bracket 5 is fixedly provided on the bottom end of the abutment plate 4. The bracket 5 is fixedly connected to the inner wall of the housing 1. A push plate 6 is abutted against the top surface of the abutment plate 4. A transmission sleeve 7 is threadedly connected to the outer wall of the screw 3. An adjusting sleeve 8 is fixedly provided on the outer side of the transmission sleeve 7. A compression spring 9 is connected between the adjusting sleeve 8 and the push plate 6.

[0030] The bottom surface of bracket 5 is fixedly equipped with threaded pipe 10.

[0031] A limiting rod 11 is fixedly provided on the inner side of the outer casing 1. Multiple sets of limiting rods 11 are provided, and all of them are slidably connected to the adjusting sleeve 8.

[0032] The inner wall of the outer casing 1 is provided with a guide groove 12, and the outer side of the push plate 6 is fixedly provided with a guide plate 13. The guide groove 12 and the guide plate 13 are provided in multiple sets and are slidably connected.

[0033] The outer wall of the outer casing 1 is fixedly provided with a pressure relief pipe 14, and multiple sets of pressure relief pipes 14 are provided.

[0034] Each set of pressure relief pipes 14 has a connecting block 15 fixedly installed on its inner side, and each set of connecting blocks 15 has a tension spring 16 connected to its outer side. Each set of tension springs 16 has a plug 17 connected to its top.

[0035] Each of the multiple plugs 17 has a sealing groove 18 on its inner wall, and the multiple sealing grooves 18 respectively abut against the top of the multiple pressure relief pipes 14.

[0036] Both the push plate 6 and the abutting plate 4 are provided with toothed grooves and abut against each other.

[0037] In this embodiment, during use, the oil tank is connected via a threaded pipe 10. When pressure relief is required, the pressure in the oil tank overcomes the preset threshold of the pressure spring 9 and pushes the push plate 6 to squeeze the pressure spring 9, causing the push plate 6 to separate from the abutment plate 4, thus forming a pressure relief channel between the push plate 6 and the abutment plate 4. Subsequently, the pressure pushes the plug 17 again, causing the pressure relief pipe 14 to separate from the sealing groove 18, causing the plug 17 to pull the tension spring 16 and form a pressure relief port between the pressure relief pipes 14. Then, the pressure is discharged through the pressure relief port. After the pressure relief is completed, multiple tension springs 16 pull the plug 17 respectively, causing the sealing groove 18 to abut against the pressure relief pipe 14, thus sealing the multiple pressure relief pipes 14. At the same time, the pressure spring 9 resets and pushes the push plate 6 to abut against the abutment plate 4, sealing the inside of the outer shell 1.

[0038] More specifically, when it is necessary to adjust the preset threshold of the compression spring 9, rotating the rotating sleeve 2 drives the screw 3 to rotate and engages with the transmission sleeve 7 through a threaded connection. This causes the transmission sleeve 7 to drive the adjusting sleeve 8 to move along the screw 3 and compress or extend the compression spring 9. Compressing the compression spring 9 increases the preset force, while extending the compression spring 9 decreases the preset force.

[0039] In summary, during use or operation of the overall equipment: During use, it is connected to the oil storage tank via the threaded pipe 10. When pressure relief is required, the pressure in the oil storage tank overcomes the preset threshold of the pressure spring 9 and pushes the push plate 6 to compress the pressure spring 9, causing the push plate 6 to separate from the abutment plate 4, thus forming a pressure relief channel between them. Subsequently, the pressure pushes the plug 17 again, causing the pressure relief pipe 14 to separate from the sealing groove 18, causing the plug 17 to pull the tension spring 16 and form a pressure relief port between the pressure relief pipes 14. Pressure is then discharged through the pressure relief port. After pressure relief is completed, multiple tension springs 16 pull the plug 17 to abut the sealing groove 18 against the pressure relief pipe 14, sealing the multiple pressure relief pipes 14. Simultaneously, the pressure spring 9 resets and pushes the push plate 6 against the abutment plate 4, sealing the interior of the outer casing 1.

[0040] When it is necessary to adjust the preset threshold of the compression spring 9, the rotating sleeve 2 drives the screw 3 to rotate and engages with the transmission sleeve 7 through a threaded connection. This causes the transmission sleeve 7 to drive the adjusting sleeve 8 to move along the screw 3 and compress or extend the compression spring 9. Compressing the compression spring 9 increases the preset force, while extending the compression spring 9 decreases the preset force.

[0041] Of all the solutions mentioned above, those involving connections between two components can be selected based on the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other well-known connection methods. These will not be elaborated on here. For all the fixed connections mentioned above, welding is the preferred option.

[0042] In all the solutions mentioned above, the operation of electrical components, unless otherwise specified, is controlled by a controller. Since the devices matched with the controllers are common devices, their control principles and wiring connections are existing, well-known, and mature technologies, and their specific circuit structures will not be described in detail here. The specific models and specifications of the electrical components involved in this solution need to be selected and determined according to the actual specifications of the device. The specific selection and calculation methods adopt existing technologies in this field, and therefore will not be described in detail.

[0043] Of all the solutions mentioned above, those involving motors can be combined with reducers if necessary. The connection structure and working principle between the motor and the reducer are existing known technologies and will not be described in detail in this utility model.

[0044] 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 hydraulic valve for anti-static oil storage tank comprising a housing (1), characterized in that: The top of the outer shell (1) is rotatably connected to a rotating sleeve (2), the bottom surface of the rotating sleeve (2) is fixedly provided with a screw (3), the bottom end of the screw (3) is rotatably connected to an abutment plate (4), the bottom end of the abutment plate (4) is fixedly provided with a bracket (5), the bracket (5) is fixedly connected to the inner wall of the outer shell (1), the top surface of the abutment plate (4) is abutted by a push plate (6), the outer wall of the screw (3) is threadedly connected to a transmission sleeve (7), the outer side of the transmission sleeve (7) is fixedly provided with an adjusting sleeve (8), and a compression spring (9) is connected between the adjusting sleeve (8) and the push plate (6).

2. The hydraulic valve for an antistatic oil storage tank according to claim 1, characterized in that: The bottom surface of the bracket (5) is fixedly equipped with a threaded pipe (10).

3. The hydraulic valve for an antistatic oil storage tank according to claim 2, characterized in that: The inner side of the outer shell (1) is fixedly provided with a limiting rod (11), and multiple sets of the limiting rod (11) are provided, all of which are slidably connected to the adjusting sleeve (8).

4. The hydraulic valve for an antistatic oil storage tank according to claim 3, characterized in that: The inner wall of the outer shell (1) is provided with a guide groove (12), and the outer side of the push plate (6) is fixedly provided with a guide plate (13). The guide groove (12) and the guide plate (13) are provided with multiple sets and are slidably connected.

5. A hydraulic valve for an antistatic oil storage tank according to claim 4, characterized in that: The outer wall of the outer shell (1) is fixedly provided with a pressure relief pipe (14), and multiple sets of the pressure relief pipe (14) are provided.

6. A hydraulic valve for an antistatic oil storage tank according to claim 5, characterized in that: multiple sets The pressure relief pipe (14) is fixedly provided with a connecting block (15) on the inner side, and multiple sets of the connecting blocks (15) are connected with tension springs (16) on the outer side, and multiple sets of tension springs (16) are connected with plugs (17) at the top.

7. A hydraulic valve for an antistatic oil storage tank according to claim 6, characterized in that: multiple sets The inner wall of each plug (17) is provided with a sealing groove (18), and the multiple sets of sealing grooves (18) respectively abut against the top of multiple sets of pressure relief pipes (14).

8. A hydraulic valve for an antistatic oil storage tank according to claim 7, characterized in that: The push plate (6) and the abutting plate (4) are both provided with toothed grooves and abut against each other.

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