A bulk bin for storing duck feed

Abstract

The utility model discloses a kind of bulk storage for storing duck feed, including bulk storage, bulk storage top is equipped with gas pipe, gas pipe upper side is equipped with pressure relief pipe and operating sleeve, gas pipe outside is equipped with driving plate, driving groove is opened in driving plate, driving plate one side is equipped with transmission block, gas pipe outside is equipped with matching block, transmission spring is equipped between matching block and transmission block, locking sleeve is sleeved in gas pipe outside, locking sleeve one side is equipped with vertical plate and transverse plate, operating sleeve one side is equipped with limit block and displacement spring, gas pipe outside is equipped with multiple fixed blocks, adjusting rod is equipped in pressure relief pipe, conducting groove is opened in adjusting rod inside, cooperating groove and butt joint groove are opened in adjusting rod side wall, adjusting sleeve is equipped in operating sleeve inside, multiple cooperation holes are opened in one end of pressure relief pipe, gas pipe inside is equipped with plugging plate, spring is sleeved in adjusting rod outside, the utility model realizes the flexible adjustment to bulk storage exhaust pressure relief threshold value, and guarantee the structure stability after threshold value adjustment.

Description

Technical Field

[0001] This utility model relates to the field of bulk feed storage bins for ducks, and more specifically, it relates to a bulk feed bin for storing duck feed. Background Technology

[0002] Bulk feed silos are crucial facilities in the poultry industry for centralized storage of duck feed, playing a key role in ensuring continuous feed supply and reducing storage costs. During storage, duck feed requires airtight sealing to prevent moisture absorption and spoilage, avoid the intrusion of external dust and debris, and protect against insects and rodents, thus ensuring feed quality and hygiene. However, even in a sealed environment, the internal pressure of the bulk feed silo fluctuates due to factors such as changes in ambient temperature, air introduced during feed feeding, and gases produced by the feed's own metabolism. When the internal pressure rises above a safe limit, failure to release pressure in time can damage the silo structure and even lead to safety accidents. Therefore, existing technologies typically include a pressure relief device at the top of the bulk feed silo to automatically release pressure when the internal pressure reaches a set threshold. However, in current applications, the pressure relief threshold of this device is usually... The pressure relief threshold is fixed and cannot be flexibly adjusted according to actual usage conditions such as temperature changes in different seasons, storage characteristics of different types of duck feed, actual usage needs of farms of different sizes, or pressure changes in bulk feed silos under different filling levels. This fixed and unadjustable design results in poor adaptability of the pressure relief device in practical applications. For example, in the high-temperature environment of summer, the air pressure inside the silo rises rapidly, requiring a lower pressure relief threshold for timely venting. In the low-temperature environment of winter, the air pressure inside the silo changes relatively slowly, allowing for a higher pressure relief threshold to reduce unnecessary venting and prevent excessive temperature loss inside the silo. Because the pressure relief threshold cannot be flexibly adjusted according to actual conditions, either venting is too frequent, affecting the sealing and preservation effect and temperature stability inside the silo, or venting is not timely, leading to excessively high air pressure inside the silo and posing a safety hazard, thus reducing the safety of bulk feed storage and the quality of feed preservation.

[0003] Furthermore, although some improved devices technically attempt to achieve flexible adjustment of the pressure relief threshold through the coordination of adjusting components, these improved devices often lack stability after the adjustment mechanism completes the pressure relief threshold adjustment due to their relatively simple adjustment structure design. It is difficult to ensure that the adjusted component can maintain a stable pressure relief threshold in the set position for a long time. With the continuous use of the bulk feed silo, the component responsible for adjusting the pressure relief threshold is prone to positional displacement due to external forces such as vibration and bumps during equipment transportation, impacts generated during feed feeding, contact during silo top maintenance, or continuous impact of high-speed airflow on the adjusting component during the pressure relief process. This structural instability will cause the pressure relief threshold, which was originally carefully adjusted according to actual needs, to fluctuate and deviate from the preset value. As a result, the pressure relief device cannot accurately start the pressure relief operation according to the expected pressure value. This not only renders the previous adjustment work meaningless and requires frequent readjustment, increasing the workload of equipment maintenance, but may also lead to inaccurate air pressure control in the bulk feed silo due to unstable fluctuations in the pressure relief threshold, affecting the storage safety and quality stability of duck feed, and reducing the reliability and practicality of the bulk feed silo pressure relief system. 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 bulk feed bin for storing duck feed, so as 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 bulk feed silo for storing duck feed, comprising a bulk feed silo, an air supply pipe detachably connected to the top of the bulk feed silo, a pressure relief pipe and an operating sleeve above the air supply pipe, the two ends of the operating sleeve being rotatably connected to the air supply pipe and the pressure relief pipe respectively, a drive plate rotatably mounted on the outside of the air supply pipe, a drive groove formed on the drive plate, a transmission block fixedly connected to one side of the drive plate, a matching block fixedly mounted on the outside of the air supply pipe, a transmission spring connected between the matching block and the transmission block, a locking sleeve slidably mounted on the outside of the air supply pipe, and a vertical [unclear - possibly a device or mechanism] fixedly connected to one side of the locking sleeve. The system comprises a control sleeve and a transverse plate, the transverse plate having three locations. A limiting block and a shifting spring are movably mounted on one side of the control sleeve, with each end of the shifting spring connected to two adjacent limiting blocks. Multiple fixing blocks are fixed to the outside of the gas supply pipe. An adjusting rod is fixed within the pressure relief pipe, with a guide groove inside the adjusting rod and mating and connecting grooves on its sidewall. An adjusting sleeve is movably mounted inside the control sleeve. Multiple mating holes are located at one end of the pressure relief pipe. A sealing plate is slidably mounted inside the gas supply pipe. A spring is movably mounted on the outside of the adjusting rod, with one end connected to the sealing plate and the other end abutting against one side of the adjusting sleeve.

[0008] The present invention is further configured such that a material cover is detachably provided at the top of the bulk material hopper, a support is detachably provided below the bulk material hopper, and a discharge hopper is connected to the bottom of the bulk material hopper.

[0009] The present invention is further configured such that a limiting groove is provided in the limiting block, and a plurality of sliding rails are fixedly provided on one side of the operating sleeve, and the limiting block is slidably installed on the outside of the sliding rails through the limiting groove.

[0010] The present invention is further configured such that a sliding groove is provided on the outer side of the gas transmission pipe, a sliding block is slidably provided in the sliding groove, and the sliding block is fixedly provided on the inner side of the locking sleeve.

[0011] The present invention is further configured such that a rolling wheel is rotatably mounted on one side of the limiting block, and the rolling wheel is engaged between two adjacent fixing blocks.

[0012] The present invention is further configured such that a return spring is movably sleeved on the outside of the pressure relief pipe, one end of the return spring is connected to the locking sleeve, a thrust bearing is detachably provided on one side of the drive plate, and the other end of the return spring is connected to the thrust bearing.

[0013] The present invention is further configured such that a transmission rod is connected to one side of the transmission block, a transmission hole is opened in the matching block, the transmission spring is movably sleeved on the outside of the transmission rod, and one end of the transmission rod slides into the transmission hole.

[0014] The present invention is further configured such that an adjusting block is fixedly provided on the inner side of the control sleeve, and an adjusting groove is provided on the outer side of the adjusting sleeve, and the adjusting block slides in the adjusting groove.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, the present invention provides a bulk feed bin for storing duck feed, which has the following beneficial effects:

[0017] 1. By setting up a combination structure of operating sleeve and adjusting sleeve, and with the synergistic mechanism of adjusting block, adjusting groove, adjusting rod and spring, the pressure relief and venting threshold can be flexibly adjusted. The operator only needs to rotate the operating sleeve forward, and at the same time the operating sleeve drives the adjusting sleeve to rotate along the thread through the adjusting block, changing the distance between the sealing plate and the adjusting sleeve, thereby adjusting the compression of the spring. Thus, the pressure relief and venting threshold can be flexibly set according to the actual situation such as temperature changes in different seasons, storage characteristics of different types of feed, usage needs of different scale farms, or air pressure change patterns under different filling levels of bulk feed silos. This effectively solves the problem of fixed and unadjustable pressure relief threshold in existing venting and venting devices, and avoids situations where excessive venting due to mismatched pressure relief thresholds affects the sealing and preservation effect and temperature stability of the silo, or where untimely venting leads to excessively high air pressure in the silo, posing a safety hazard. This improves the adaptability and flexibility of the bulk feed silo venting and venting device to different usage scenarios, and ensures the safety of bulk feed storage and the quality of feed preservation.

[0018] 2. By setting a vertical plate and multiple horizontal plates as support and limiting structures on one side of the locking sleeve, and setting a sliding rail, limiting block, rolling wheel, and fixing block as an anti-rotation mechanism on the side wall of the operating sleeve, and by using the positional cooperation of the drive groove on the drive plate with the horizontal plate and the limiting effect of the inner wall of the locking sleeve on the outer wall of the rolling wheel, multiple locking protection functions are achieved. Multiple components cooperate to form multiple locking protection, which effectively solves the problem of insufficient stability of the pressure relief threshold adjustment mechanism in the prior art. It prevents the adjustment components from shifting position due to external forces such as vibration and bumps during equipment transportation, impacts during feed feeding, contact during maintenance of the silo top, or high-speed airflow impact during exhaust and pressure relief during continuous use of the bulk silo. It ensures that the adjustment sleeve and the sealing plate can maintain a stable relative position for a long time, and ensures that the pressure relief and exhaust threshold remains stable and does not fluctuate after being adjusted. This improves the reliability and practicality of the bulk silo exhaust and pressure relief system, avoids the situation where the unstable pressure relief threshold leads to inaccurate air pressure control, affecting the safety and quality stability of feed storage, and reduces the workload of equipment maintenance and operating costs. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of a bulk feed silo for storing duck feed according to this utility model;

[0020] Figure 2 This is a cross-sectional view of the structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the gas transmission pipe, control sleeve, pressure relief pipe, locking sleeve and drive plate in this utility model;

[0022] Figure 4 This is a cross-sectional structural diagram of the gas transmission pipe, control sleeve, pressure relief pipe, locking sleeve and drive plate in this utility model;

[0023] Figure 5 This is a schematic diagram of the dispersed structure of the control sleeve, adjustment sleeve, air supply pipe and locking sleeve in this utility model.

[0024] In the diagram: 1. Bulk hopper; 2. Air supply pipe; 3. Pressure relief pipe; 4. Control sleeve; 5. Drive plate; 6. Drive groove; 7. Transmission block; 8. Matching block; 9. Transmission spring; 10. Locking sleeve; 11. Vertical plate; 12. Horizontal plate; 13. Limiting block; 14. Shifting spring; 15. Fixing block; 16. Adjusting rod; 17. Guide groove; 18. Fitting groove; 19. Connecting groove; 20. Adjusting sleeve; 21. Fitting hole; 22. Sealing plate; 23. Elastic spring; 24. Material cover; 25. Bracket; 26. Discharge hopper; 27. Limiting groove; 28. Sliding rail; 29. ​​Sliding groove; 30. Sliding block; 31. Roller; 32. Return spring; 33. Thrust bearing; 34. Transmission rod; 35. Transmission hole; 36. Adjusting block; 37. Adjusting groove. Detailed Implementation

[0025] 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.

[0026] 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.

[0027] 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.

[0028] Please see Figures 1-5A bulk feed silo for storing duck feed includes a bulk feed silo 1. An air supply pipe 2 is detachably connected to the top of the bulk feed silo 1. A pressure relief pipe 3 and a control sleeve 4 are located above the air supply pipe 2. The two ends of the control sleeve 4 are rotatably connected to the air supply pipe 2 and the pressure relief pipe 3, respectively. A drive plate 5 is rotatably mounted on the outside of the air supply pipe 2. A drive groove 6 is formed on the drive plate 5. A transmission block 7 is fixedly connected to one side of the drive plate 5. A matching block 8 is fixedly mounted on the outside of the air supply pipe 2. A transmission spring 9 connects the matching block 8 and the transmission block 7. A locking sleeve 10 is slidably mounted on the outside of the air supply pipe 2. A vertical plate 11 and a horizontal plate 12 are fixedly connected to one side of the locking sleeve 10. The horizontal plate 12 has three locations. A limiting block 13 and a shifting spring 14 are movably provided on one side of the control sleeve 4. The two ends of the shifting spring 14 are respectively connected to two adjacent limiting blocks 13. Multiple fixing blocks 15 are fixed on the outside of the gas supply pipe 2. An adjusting rod 16 is fixed in the pressure relief pipe 3. A guide groove 17 is opened inside the adjusting rod 16. A mating groove 18 and a docking groove 19 are opened on the side wall of the adjusting rod 16. An adjusting sleeve 20 is movably provided on the inside of the control sleeve 4. Multiple mating holes 21 are opened at one end of the pressure relief pipe 3. A sealing plate 22 is slidably provided on the inside of the gas supply pipe 2. A spring spring 23 is movably sleeved on the outside of the adjusting rod 16. One end of the spring spring 23 is connected to the sealing plate 22, and the other end of the spring spring 23 abuts against one side of the adjusting sleeve 20.

[0029] The bulk material silo 1 is detachably equipped with a material cover 24 at the top, a detachably equipped support 25 at the bottom, and a discharge silo 26 connected to the bottom of the bulk material silo 1.

[0030] In this embodiment, when it is necessary to adapt and adjust the pressure relief and exhaust threshold, the drive plate 5 is rotated forward first. The drive plate 5 will drive the drive groove 6 and the thrust bearing 33 to rotate forward, and the drive plate 5 will drive the transmission block 7 on one side to rotate forward. Then, the transmission block 7 will drive the transmission rod 34 on one side to rotate forward along the transmission hole 35. The transmission block 7 will cooperate with the matching block 8 to compress the transmission spring 9. When the transmission spring 9 is compressed to its limit, the drive groove 6 will rotate to the position corresponding to the horizontal plate 12, and then push the locking sleeve 10, so that the locking sleeve 10 drives the inner sliding block 30 to slide along the sliding groove 29. The locking sleeve 10 will also drive the vertical plate 11 on one side and the horizontal plate 34 to rotate forward. As plate 12 gradually slides into drive groove 6, locking sleeve 10 and thrust bearing 33 cooperate to compress return spring 32. When return spring 32 is compressed to its limit, the transverse plate 12 closest to locking sleeve 10 passes through drive groove 6 and moves to the other side of drive plate 5. Then drive plate 5 is released, causing transmission spring 9 to reset and push transmission block 7. Transmission block 7 then drives one side transmission rod 34 to reverse and reset along transmission hole 35. Transmission block 7 will also drive drive groove 6 and thrust bearing 33 to rotate and reset in the opposite direction through drive plate 5, thereby causing drive groove 6 to rotate and reset to a position that does not correspond to vertical plate 11 and transverse plate 12. At this time, vertical plate 11 is reset. Plate 11 and the transverse plate 12 closest to the locking sleeve 10 cooperate to limit the locking sleeve 10 to one side of the drive plate 5, so that the locking sleeve 10 no longer limits the outer wall of the rolling wheel 31. Then, the operating sleeve 4 is rotated in the forward direction. The operating sleeve 4 will drive one side of the sliding rail 28 to rotate in the forward direction, so that the sliding rail 28 drives the limiting block 13 and the rolling wheel 31 to move through the limiting groove 27. This causes the rolling wheel 31 to slide out between the two adjacent fixed blocks 15. The rolling wheel 31 will drive one side of the limiting block 13 to slide outward along the sliding rail 28 and the limiting groove 27. At the same time, the limiting block 13 will cooperate to stretch the displacement spring 14 outward. Meanwhile, the operating sleeve 4 will drive the inner adjusting block. 36 is rotated, and then the adjustment sleeve 20 is driven to rotate in the forward direction through the cooperation of the adjustment block 36 and the adjustment groove 37. The adjustment sleeve 20 will move along the thread set in the inner wall of the pressure relief pipe 3, so that the distance between the sealing plate 22 and the adjustment sleeve 20 is shortened, so that the spring spring 23 is gradually squeezed, and the thrust exerted by the spring spring 23 on the sealing plate 22 is increased. Thus, the sealing plate 22 needs to withstand greater air pressure on one side to open and relieve pressure. When it is necessary to adjust to only require a smaller air pressure to open the sealing plate 22, the control sleeve 4 can be rotated in the reverse direction according to the above steps. After adjusting to the appropriate exhaust pressure relief threshold, stop rotating the control sleeve 4.

[0031] Please see Figures 3-5 As a further implementation of the overall equipment: a limiting groove 27 is provided in the limiting block 13, and multiple sliding rails 28 are fixedly provided on one side of the operating sleeve 4. The limiting block 13 is slidably installed on the outside of the sliding rails 28 through the limiting groove 27.

[0032] A sliding groove 29 is provided on the outer side of the gas pipeline 2, and a sliding block 30 is slidably provided in the sliding groove 29. The sliding block 30 is fixedly installed inside the locking sleeve 10.

[0033] A rolling wheel 31 is rotatably installed on one side of the limiting block 13, and the rolling wheel 31 is engaged between two adjacent fixing blocks 15.

[0034] A return spring 32 is movably sleeved on the outside of the pressure relief pipe 3. One end of the return spring 32 is connected to the locking sleeve 10. A thrust bearing 33 is detachably installed on one side of the drive plate 5. The other end of the return spring 32 is connected to the thrust bearing 33.

[0035] A transmission rod 34 is connected to one side of the transmission block 7, and a transmission hole 35 is opened in the matching block 8. The transmission spring 9 is movably sleeved on the outside of the transmission rod 34, and one end of the transmission rod 34 slides into the transmission hole 35.

[0036] An adjusting block 36 is fixedly provided on the inner side of the control sleeve 4, and an adjusting groove 37 is provided on the outer side of the adjusting sleeve 20. The adjusting block 36 slides in the adjusting groove 37.

[0037] More specifically, after the control sleeve 4 stops rotating, the control sleeve 4, through the cooperation of the sliding rail 28 and the limiting groove 27, drives the rolling wheel 31 and the limiting block 13 to rotate between the two original fixed blocks 15. Then, the shift spring 14 resets and pulls the limiting block 13, causing the limiting block 13 to drive the limiting groove 27 to slide inward along the sliding rail 28. This causes the limiting block 13 to drive one side of the rolling wheel 31 to engage between the two original fixed blocks 15. Then, the drive plate 5 is rotated forward again, causing the drive plate 5 to drive the drive groove 6 and the thrust bearing 33 to rotate forward again. The drive plate 5 will also drive one side of the transmission block 7 to rotate forward again. Then, the transmission block 7 will drive one side of the transmission rod 34 to rotate forward along the transmission hole 35. The moving block 7 will again cooperate with the matching block 8 to press the transmission spring 9. When the drive groove 6 rotates again to the position corresponding to the horizontal plate 12, the return spring 32 pushes the locking sleeve 10 to drive the inner sliding block 30 to slide and reset along the sliding groove 29. Then the locking sleeve 10 drives the vertical plate 11 on one side and the three horizontal plates 12 to slide and reset. When the return spring 32 is fully reset, the other two horizontal plates 12 just move back to the original two sides of the drive plate 5. Then the drive plate 5 is released again, so that the transmission spring 9 resets again and pushes the transmission block 7 to reverse reset. Then the transmission block 7 will drive the transmission rod 34 on one side to reverse reset along the transmission hole 35. At the same time, the transmission block 7 will again drive the drive groove 6 and the push rod 34 on one side through the drive plate 5 to reverse reset. The force bearing 33 rotates in the opposite direction to reset, causing the drive groove 6 to rotate in reverse and reset to a position that does not correspond to the vertical plate 11 and the horizontal plate 12. Then, the vertical plate 11, in conjunction with the two corresponding horizontal plates 12, supports the locking sleeve 10 to one side of the drive plate 5. With the sliding block 30 and the sliding groove 29 limiting the locking sleeve 10, the locking sleeve 10 cannot move. Then, the inner wall of the locking sleeve 10 re-limits the outer wall of the rolling wheel 31, preventing the rolling wheel 31 and the limiting block 13 from moving outward. Thus, through the cooperation with the fixed block 15 and the cooperation with the sliding rail 28 and the limiting groove 27, the operating sleeve 4 cannot rotate unexpectedly, thereby ensuring the structural stability after the exhaust pressure relief threshold is adjusted. When the internal air pressure of the bulk material bin 1 is greater than the set value, the operating sleeve 4 will not rotate unexpectedly. When the pressure relief threshold is set, the internal gas pushes the sealing plate 22, thereby pushing the sealing plate 22 open, causing the sealing plate 22 to slide along the adjusting rod 16, and the distance between the sealing plate 22 and the adjusting sleeve 20 will shorten, so that the sealing plate 22 and the adjusting sleeve 20 cooperate to gradually squeeze the spring spring 23. At this time, the sealing plate 22 is on the other side of the mating groove 18, and then the compressed gas enters the guide groove 17 opened inside the adjusting rod 16 through the mating groove 18. Then the gas enters the other side of the adjusting sleeve 20 through the docking groove 19 opened on the side wall of the adjusting rod 16, and then the gas will be discharged to the outside through the mating hole 21. When the pressure relief and gas exhaust are completed, the spring spring 23 resets and pushes the sealing plate 22, causing the sealing plate 22 to move and reset, thus achieving resealing.

[0038] In summary, during the use or operation of the overall equipment: when it is necessary to adjust the pressure relief and exhaust threshold, firstly, the drive plate 5 rotates forward. The drive plate 5 will drive the drive groove 6 and the thrust bearing 33 to rotate forward, and the drive plate 5 will drive the transmission block 7 on one side to rotate forward. Then, the transmission block 7 will drive the transmission rod 34 on one side to rotate forward along the transmission hole 35. The transmission block 7 will cooperate with the matching block 8 to compress the transmission spring 9. When the transmission spring 9 is compressed to its limit, the drive groove 6 will rotate to the position corresponding to the horizontal plate 12, and then push the locking sleeve 10, so that the locking sleeve 10 drives the inner sliding block 30 to slide along the sliding groove 29, and the locking sleeve 10 will drive the vertical side to rotate. The straight plate 11 and the horizontal plate 12 gradually slide into the drive groove 6. At the same time, the locking sleeve 10 cooperates with the thrust bearing 33 to compress the return spring 32. When the return spring 32 is compressed to its limit, the horizontal plate 12 closest to the locking sleeve 10 just passes through the drive groove 6 and moves to the other side of the drive plate 5. Then the drive plate 5 is released, causing the transmission spring 9 to reset and push the transmission block 7. Then the transmission block 7 drives one side of the transmission rod 34 to reverse and reset along the transmission hole 35. The transmission block 7 will also drive the drive groove 6 and the thrust bearing 33 to rotate and reset in the opposite direction through the drive plate 5, so that the drive groove 6 rotates and resets to a position that does not correspond to the vertical plate 11 and the horizontal plate 12. At this time, the vertical plate 11 and the horizontal plate 12 closest to the locking sleeve 10 cooperate to limit the locking sleeve 10 to one side of the drive plate 5, so that the locking sleeve 10 no longer limits the outer wall of the rolling wheel 31. Then, the operating sleeve 4 is rotated in the forward direction. The operating sleeve 4 will drive one side of the sliding rail 28 to rotate in the forward direction, so that the sliding rail 28 drives the limiting block 13 and the rolling wheel 31 to move through the limiting groove 27. This causes the rolling wheel 31 to slide out between the two adjacent fixed blocks 15, and the rolling wheel 31 will drive one side of the limiting block 13 to slide outward along the sliding rail 28 and the limiting groove 27. At the same time, the limiting block 13 cooperates to stretch the shift spring 14 outward. Meanwhile, the operating sleeve 4 will drive the inner adjustment The segment 36 rotates, and then the adjusting sleeve 20 rotates in the forward direction through the cooperation of the adjusting block 36 and the adjusting groove 37. The adjusting sleeve 20 moves along the thread provided on the inner wall of the pressure relief pipe 3, which reduces the distance between the sealing plate 22 and the adjusting sleeve 20. This causes the spring spring 23 to be gradually compressed, which increases the thrust exerted by the spring spring 23 on the sealing plate 22. As a result, the sealing plate 22 needs to withstand greater air pressure to open and relieve pressure. When it is necessary to adjust to a situation where only a smaller air pressure is needed to open the sealing plate 22, the operating sleeve 4 can be rotated in the reverse direction according to the above steps. After adjusting to a suitable exhaust pressure relief threshold, the rotation of the operating sleeve 4 is stopped.

[0039] After the control sleeve 4 stops rotating, it drives the rolling wheel 31 and the limiting block 13 to rotate between the two fixed blocks 15 through the cooperation of the sliding rail 28 and the limiting groove 27. Then, the shift spring 14 returns to its original position and pulls the limiting block 13, causing the limiting block 13 to drive the limiting groove 27 to slide inward along the sliding rail 28. This causes the limiting block 13 to drive one side of the rolling wheel 31 to engage between the two fixed blocks 15. Then, the drive plate 5 rotates forward again, causing the drive plate 5 to drive the drive groove 6 and the thrust bearing 33 to rotate forward again. The drive plate 5 will also drive one side of the transmission block 7 to rotate forward again. Then, the transmission block 7 will drive one side of the transmission rod 34 to rotate forward along the transmission hole 35. The transmission spring 9 is pressed again by the matching block 8. When the drive groove 6 rotates to the position corresponding to the horizontal plate 12, the return spring 32 pushes the locking sleeve 10 to drive the inner sliding block 30 to slide and reset along the sliding groove 29. Then, the locking sleeve 10 drives the vertical plate 11 on one side and the three horizontal plates 12 to slide and reset. When the return spring 32 is fully reset, the other two horizontal plates 12 just move back to the original two sides of the drive plate 5. Then, the drive plate 5 is released again, so that the transmission spring 9 resets again and pushes the transmission block 7 to reverse reset. Then, the transmission block 7 drives the transmission rod 34 on one side to reverse reset along the transmission hole 35. At the same time, the transmission block 7 drives the drive groove 6 and the thrust shaft on one side through the drive plate 5. The bearing 33 rotates in the opposite direction to reset, causing the drive groove 6 to rotate and reset again to a position that does not correspond to the vertical plate 11 and the horizontal plate 12. Then, the vertical plate 11, in conjunction with the two corresponding horizontal plates 12, supports the locking sleeve 10 to one side of the drive plate 5. With the sliding block 30 and the sliding groove 29 limiting the locking sleeve 10, the locking sleeve 10 cannot move. Then, the inner wall of the locking sleeve 10 re-limits the outer wall of the rolling wheel 31, preventing the rolling wheel 31 and the limiting block 13 from moving outward. Thus, through the cooperation with the fixed block 15, and the cooperation with the sliding rail 28 and the limiting groove 27, the operating sleeve 4 cannot rotate unexpectedly, thereby ensuring the structural stability after the exhaust pressure relief threshold is adjusted. When the internal air pressure of the bulk material bin 1 is greater than the set value, When the pressure relief threshold is reached, the internal gas pushes the sealing plate 22, thereby pushing the sealing plate 22 open, causing the sealing plate 22 to slide along the adjusting rod 16, and the distance between the sealing plate 22 and the adjusting sleeve 20 will shorten, so that the sealing plate 22 and the adjusting sleeve 20 cooperate to gradually squeeze the spring spring 23. At this time, the sealing plate 22 is on the other side of the mating groove 18, and then the compressed gas enters the guide groove 17 opened inside the adjusting rod 16 through the mating groove 18. Then the gas enters the other side of the adjusting sleeve 20 through the docking groove 19 opened on the side wall of the adjusting rod 16, and then the gas will be discharged to the outside through the mating hole 21. When the pressure relief and gas exhaust are completed, the spring spring 23 resets and pushes the sealing plate 22, causing the sealing plate 22 to move and reset, thus achieving resealing.

[0040] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A bulk feed silo for storing duck feed, comprising a bulk feed silo (1), characterized in that: The bulk silo (1) is provided with an air supply pipe (2) at the top. A pressure relief pipe (3) and an operating sleeve (4) are provided above the air supply pipe (2). A drive plate (5) is rotatably provided on the outside of the air supply pipe (2). A drive groove (6) is provided on the drive plate (5). A transmission block (7) is provided on one side of the drive plate (5). A matching block (8) is provided on the outside of the air supply pipe (2). A transmission spring (9) is provided between the matching block (8) and the transmission block (7). A locking sleeve (10) is slidably provided on the outside of the air supply pipe (2). A vertical plate (11) and a horizontal plate (12) are provided on one side of the locking sleeve (10). A limit block (13) and a limit plate (12) are movably provided on one side of the operating sleeve (4). The shifting spring (14) is connected to two adjacent limiting blocks (13) at both ends. Multiple fixing blocks (15) are provided on the outside of the gas pipe (2). An adjusting rod (16) is provided in the pressure relief pipe (3). A guide groove (17) is provided inside the adjusting rod (16). A mating groove (18) and a docking groove (19) are provided on the side wall of the adjusting rod (16). An adjusting sleeve (20) is movably provided on the inside of the operating sleeve (4). Multiple mating holes (21) are provided at one end of the pressure relief pipe (3). A sealing plate (22) is slidably provided on the inside of the gas pipe (2). A spring spring (23) is movably sleeved on the outside of the adjusting rod (16).

2. The bulk feed silo for storing duck feed according to claim 1, characterized in that: The bulk material silo (1) is detachably provided with a material cover (24) at the top, and a support (25) is detachably provided below the bulk material silo (1). The bottom of the bulk material silo (1) is connected to a discharge silo (26).

3. A bulk feed silo for storing duck feed according to any one of claims 1 or 2, characterized in that: The limiting block (13) has a limiting groove (27), and the operating sleeve (4) has multiple sliding rails (28) fixed on one side. The limiting block (13) is slidably installed on the outside of the sliding rails (28) through the limiting groove (27).

4. A bulk feed silo for storing duck feed according to claim 3, characterized in that: The gas pipe (2) has a sliding groove (29) on its outer side, and a sliding block (30) is slidably disposed in the sliding groove (29). The sliding block (30) is fixedly disposed inside the locking sleeve (10).

5. A bulk feed silo for storing duck feed according to claim 4, characterized in that: A rolling wheel (31) is rotatably installed on one side of the limiting block (13), and the rolling wheel (31) is engaged between two adjacent fixing blocks (15).

6. A bulk feed silo for storing duck feed according to claim 5, characterized in that: The pressure relief pipe (3) is movably sleeved with a reset spring (32). One end of the reset spring (32) is connected to the locking sleeve (10). The drive plate (5) is detachably provided with a thrust bearing (33) on one side. The other end of the reset spring (32) is connected to the thrust bearing (33).

7. A bulk feed silo for storing duck feed according to claim 6, characterized in that: The transmission block (7) is connected to a transmission rod (34) on one side, and a transmission hole (35) is opened in the matching block (8). The transmission spring (9) is movably sleeved on the outside of the transmission rod (34), and one end of the transmission rod (34) slides into the transmission hole (35).

8. A bulk feed silo for storing duck feed according to claim 1, characterized in that: An adjustment block (36) is fixedly provided on the inner side of the control sleeve (4), and an adjustment groove (37) is provided on the outer side of the adjustment sleeve (20). The adjustment block (36) slides in the adjustment groove (37).

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