Efficient cooking device for jujube paste processing

By designing a pressure relief mechanism and a pressing mechanism for the high-efficiency cooking device, the problem of lagging pressure regulation in traditional equipment was solved, enabling precise pressure control and safe release during the jujube paste processing, thus improving the efficiency and safety of the equipment.

CN224192876UActive Publication Date: 2026-05-05BEIJING NIUS YUNCHANG (BAZHOU) FOOD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
BEIJING NIUS YUNCHANG (BAZHOU) FOOD CO LTD
Filing Date
2025-04-29
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

Traditional jujube paste processing equipment suffers from lagging pressure control during high-pressure cooking, leading to the destruction of nutrients or safety risks. Furthermore, existing pressure relief structures cannot dynamically adjust the pressure relief threshold, affecting processing results and equipment continuity.

Method used

A pressure relief mechanism was designed, comprising a pressure relief sleeve, a rotating sleeve, a push plate, a slide rod, a sliding sleeve, a transmission sleeve, and a pressure spring. Combined with a positioning mechanism and a pressing mechanism, it achieves precise control and automatic release of cooking pressure. Through the synergistic effect of spring preload and threaded transmission, it has a gear adjustment function, ensuring sealing performance and operational efficiency.

Benefits of technology

It achieves precise control of cooking pressure, reduces nutrient loss rate, improves equipment operating efficiency and safety, avoids the risk of high-pressure steam leakage, and adapts to the needs of different raw material characteristics.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an efficient cooking device for jujube paste processing, which comprises a cooking pot, a top cover is arranged at the top end of the cooking pot, a pressure relief mechanism is arranged on the top cover, and the pressure relief mechanism comprises a pressure relief sleeve, a rotating sleeve, a matching block, a limiting sleeve, a rotating rod, a push plate, a sliding rod, a sliding sleeve, a transmission sleeve and a pressure spring. The pressure relief mechanism achieves accurate control and automatic relief of cooking pressure through the synergistic effect of spring pre-tightening force and thread transmission, a unique push plate type structure of the pressure relief mechanism can quickly form a pressure relief channel when preset pressure is reached, the defect that a traditional rupture disk is disposable is overcome, the problem that a fixed pressure relief valve is not accurate in adjustment is solved, and the production efficiency is improved. The pressure control precision is improved, and the nutrition loss rate is obviously reduced.
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Description

Technical Field

[0001] This utility model relates to the field of jujube paste processing technology, and more specifically, it relates to a high-efficiency steaming and cooking device for jujube paste processing. Background Technology

[0002] In the high-pressure steaming process of jujube paste processing, traditional equipment generally suffers from lagging pressure control. When the steaming pressure exceeds the specified value, the lack of an intelligent pressure relief mechanism can easily lead to the destruction of the material's nutritional components or safety risks.

[0003] Existing pressure relief structures mostly adopt a fixed rupture disc design, which cannot dynamically adjust the pressure relief threshold according to the characteristics of different batches of raw materials. This causes the processing process to either affect the gelatinization effect due to premature pressure relief or cause frequent equipment shutdowns for maintenance due to overpressure, seriously affecting the continuity of production. 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 high-efficiency steaming and cooking device for jujube paste processing, 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 high-efficiency steaming and cooking device for jujube paste processing, comprising a steaming and cooking pot, a top cover on the top of the steaming and cooking pot, and a pressure relief mechanism on the top cover. The pressure relief mechanism includes a pressure relief sleeve, a rotating sleeve, a mating block, a limiting sleeve, a rotating rod, a push plate, a sliding rod, a sliding sleeve, a transmission sleeve, and a compression spring. The pressure relief sleeve is fixed to the top cover, the rotating sleeve rotates at the top of the pressure relief sleeve, the mating block is fixed to the bottom surface of the rotating sleeve, the limiting sleeve is fixed inside the pressure relief sleeve, the rotating rod moves within the limiting sleeve, and the push plate rotates at the bottom end of the rotating rod. The sliding rod is fixed to the top of the rotating rod and to the mating block. The sliding sleeve slides on the outer wall of the sliding rod. The transmission sleeve is fixed to the outer wall of the sliding sleeve and is threaded to the inner wall of the pressure relief sleeve. The two ends of the compression spring are respectively connected to the mating block and the sliding sleeve. A positioning mechanism is provided on the outer side of the pressure relief sleeve. The positioning mechanism includes a positioning block, a positioning groove, an abutment sleeve, and a tension spring. Multiple sets of positioning blocks slide on the outer wall of the pressure relief sleeve. Multiple sets of positioning grooves are distributed on the outer side of the mating blocks. The abutment sleeve abuts against the outer side of multiple sets of positioning blocks. The tension spring is connected to the inner side of multiple sets of abutment sleeves and is fixedly connected to the outer wall of the pressure relief sleeve.

[0008] The present invention is further configured such that a limiting block is fixedly provided on the top surface of the push plate, and multiple sets of the limiting block are provided. A limiting hole is provided on the limiting sleeve, and multiple sets of the limiting hole are provided and are slidably connected to multiple sets of limiting blocks respectively. The cooperation between the limiting block and the limiting hole ensures that the linear movement of the push plate does not deviate, thereby improving the stability of the pressure relief action.

[0009] The present invention is further configured such that the limiting sleeve is provided with through holes, and multiple sets of through holes are provided, so that the pressure relief airflow can be evenly distributed and discharged, avoiding noise or vibration caused by local airflow impact.

[0010] The present invention is further configured such that an adapter groove is provided on the inner bottom surface of the pressure relief sleeve, and the push plate is pressed against the adapter groove to form a reliable initial sealing surface, ensuring that no steam leakage occurs under working pressure.

[0011] The present invention is further configured such that the bottom ends of the multiple sets of positioning blocks and the outer sides of the positioning grooves are all arc-shaped, so that the positioning blocks can smoothly enter and exit the positioning grooves when shifting gears, reducing operating resistance and component wear.

[0012] The present invention is further configured such that a guide groove is provided on the outer wall of the pressure relief sleeve, and a guide block is fixedly provided on the outer wall of the abutment sleeve. Multiple sets of the guide groove and the guide block are provided and slidably connected to ensure the precise movement trajectory of the adjustment mechanism and prevent jamming.

[0013] The present invention is further configured such that a clamping mechanism is provided on the top cover. The clamping mechanism includes a limiting plate, a handle, a screw, a throttle, and a threaded groove. Multiple sets of limiting plates are fixed to the outer wall of the cooking pot. The two ends of the handle are respectively inserted into multiple sets of limiting plates. The screw is fixed to the top surface of the top cover. The throttle rotates at the top of the handle. The threaded groove is provided in the throttle and is threadedly connected to the screw, realizing a quick one-handed locking operation and greatly improving loading and unloading efficiency.

[0014] The present invention is further provided that a sealing strip is squeezed between the top surface of the cooking pot and the top cover, which maintains a long-lasting sealing performance under high temperature and high pressure conditions and extends the service life of the equipment.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, this utility model provides a high-efficiency steaming and cooking device for jujube paste processing, which has the following beneficial effects:

[0017] 1. The pressure relief mechanism achieves precise control and automatic release of cooking pressure through the synergistic effect of spring preload and threaded transmission. Its unique push-plate structure can quickly form a pressure relief channel when the preset pressure is reached. This avoids the defects of traditional rupture discs that are used only once, and solves the problem of inaccurate adjustment of fixed pressure relief valves. This improves the accuracy of pressure control and significantly reduces the nutrient loss rate.

[0018] 2. The positioning mechanism adopts a multi-position locking design. The pressure relief threshold can be adjusted in stages through the cooperation of the elastic positioning block and the arc groove. Operators can quickly set the optimal pressure value according to the characteristics of different raw materials. The equidistantly distributed positioning grooves ensure the consistency of adjustment of each position, which solves the technical problem that traditional equipment cannot adapt to the processing requirements of special formulas.

[0019] 3. The clamping mechanism combines threaded locking with the lever principle to generate uniform clamping force when the sealing strip is deformed under pressure. Its rotatable handle structure enables the top cover to be opened and closed quickly, which improves efficiency compared with the traditional bolt fastening method. At the same time, it ensures the sealing reliability under working pressure and completely eliminates the risk of high-pressure steam leakage. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of a high-efficiency steaming and cooking device for jujube paste processing according to the present invention;

[0021] Figure 2 This is a cross-sectional view of the cooking tank and the pressing mechanism in this utility model.

[0022] Figure 3 This is a schematic diagram of the pressure relief mechanism in this utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the present invention with a compression spring;

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

[0025] In the diagram: 1. Cooking pot; 2. Top cover; 3. Pressure relief sleeve; 4. Rotating sleeve; 5. Mating block; 6. Limiting sleeve; 7. Rotating rod; 8. Push plate; 9. Sliding rod; 10. Sliding sleeve; 11. Transmission sleeve; 12. Compression spring; 13. Positioning block; 14. Positioning groove; 15. Abutment sleeve; 16. Tension spring; 17. Limiting block; 18. Limiting hole; 19. Through hole; 20. Adaptor groove; 21. Guide groove; 22. Guide block; 23. Limiting plate; 24. Handle; 25. Screw; 26. Turning handle; 27. Threaded groove; 28. Sealing strip. 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 high-efficiency steaming and cooking device for jujube paste processing includes a steaming pot 1, a top cover 2 at the top of the steaming pot 1, and a pressure relief mechanism on the top cover 2. The pressure relief mechanism includes a pressure relief sleeve 3, a rotating sleeve 4, a mating block 5, a limiting sleeve 6, a rotating rod 7, a push plate 8, a sliding rod 9, a sliding sleeve 10, a transmission sleeve 11, and a compression spring 12. The pressure relief sleeve 3 is fixed to the top cover 2, the rotating sleeve 4 rotates at the top of the pressure relief sleeve 3, the mating block 5 is fixed to the bottom surface of the rotating sleeve 4, the limiting sleeve 6 is fixed inside the pressure relief sleeve 3, the rotating rod 7 moves within the limiting sleeve 6, the push plate 8 rotates at the bottom of the rotating rod 7, and the sliding rod 9 is fixed to the top of the rotating rod 7 and engages with the mating block. 5. Fixed, the sliding sleeve 10 slides on the outer wall of the sliding rod 9, the transmission sleeve 11 is fixed on the outer wall of the sliding sleeve 10 and threadedly connected to the inner wall of the pressure relief sleeve 3, the two ends of the compression spring 12 are respectively connected to the mating block 5 and the sliding sleeve 10, and a positioning mechanism is provided on the outer side of the pressure relief sleeve 3. The positioning mechanism includes a positioning block 13, a positioning groove 14, an abutment sleeve 15 and a tension spring 16. The positioning block 13 is provided with multiple sets that slide on the outer wall of the pressure relief sleeve 3, the positioning groove 14 is provided with multiple sets that are distributed on the outer side of the mating block 5, the abutment sleeve 15 abuts against the outer side of multiple sets of positioning blocks 13, and the tension spring 16 is connected to the inner side of multiple sets of abutment sleeves 15 and fixedly connected to the outer wall of the pressure relief sleeve 3.

[0030] A limit block 17 is fixedly provided on the top surface of the push plate 8. There are multiple sets of limit blocks 17. Limit holes 18 are provided on the limit sleeve 6. There are multiple sets of limit holes 18 and they are slidably connected to multiple sets of limit blocks 17 respectively. The principle is to limit the movement trajectory of the push plate 8 by the cooperation of the limit blocks 17 and the limit holes 18, so as to ensure that the linear movement does not deviate when the pressure is released.

[0031] The limiting sleeve 6 has through holes 19, and there are multiple sets of through holes 19. The principle is to form a pressure relief airflow channel through multiple sets of through holes 19, so that high-pressure steam can be evenly dispersed and discharged from the pressure relief sleeve 3.

[0032] The bottom surface of the pressure relief sleeve 3 is provided with an adapter groove 20, and the push plate 8 is pressed against the adapter groove 20. The principle is to use the precise fit between the adapter groove 20 and the push plate 8 to form an initial sealing surface, and maintain a sealing state when the set pressure is not reached.

[0033] The bottom of the multiple positioning blocks 13 and the outer side of the positioning groove 14 are all set in an arc shape. The principle is to reduce the frictional resistance between the positioning blocks 13 and the positioning groove 14 by using the arc contact surface, so that the gear adjustment is smoother.

[0034] The outer wall of the pressure relief sleeve 3 is provided with a guide groove 21, and the outer wall of the abutment sleeve 15 is fixedly provided with a guide block 22. Multiple sets of guide grooves 21 and guide blocks 22 are provided and slidably connected. The principle is to ensure that the abutment sleeve 15 moves along the set trajectory by means of the cooperation of guide grooves 21 and guide blocks 22, so as to prevent jamming during adjustment.

[0035] The top cover 2 is equipped with a clamping mechanism, which includes a limiting plate 23, a handle 24, a screw 25, a rotating plate 26, and a threaded groove 27. The limiting plate 23 is provided with multiple sets fixed to the outer wall of the cooking pot 1. The two ends of the handle 24 are respectively inserted into the multiple sets of limiting plates 23. The screw 25 is fixed to the top surface of the top cover 2. The rotating plate 26 rotates at the top of the handle 24. The threaded groove 27 is set in the rotating handle and is threadedly connected to the screw 25. Its principle is to rotate the handle 24 to drive the screw 25 to engage with the threaded groove 27, so as to realize the quick locking and opening of the top cover 2.

[0036] A sealing strip 28 is provided between the top surface of the cooking pot 1 and the top cover 2. The principle is to use the elastic deformation of the sealing strip 28 to fill the gap between the contact surfaces and maintain the sealing performance under high pressure.

[0037] In this embodiment, during use, the cooking pot 1 is placed on an external heating device, and the jujube paste processing raw material is placed inside the cooking pot 1. The screw 25 is threadedly connected to the threaded groove 27. Then, the top cover 2 is placed on top of the cooking pot 1 and the sealing strip 28 is pressed. Then, the two ends of the handle 24 are respectively inserted into multiple sets of limiting plates 23. Then, the handle 26 is rotated so that the threaded groove 27 and the screw 25 are threadedly engaged. The screw 25 pushes the top cover 2 to press tightly against the top of the cooking pot 1 for sealing. When the contents of the cooking pot 1 are... When the pressure reaches the preset threshold of the pressure spring 12, the push plate 8 is pushed to disengage from the adapter groove 20. It slides along the limiting hole 18 through multiple sets of limiting blocks 17 and pushes the slide rod 9 along the sliding sleeve 10 through the rotating rod 7. At the same time, it pushes the mating block 5 and the rotating sleeve 4 and stretches the pressure spring 12. The rotating sleeve 4 separates from the top of the pressure relief sleeve 3, so that the air pressure is discharged from the cooking pot 1 through the flow gap between the push plate 8 and the adapter groove 20. Then, it is discharged from the pressure relief sleeve 3 through the gap between the multiple sets of through holes 19 and the multiple sets of positioning grooves 14 and the pressure relief sleeve 3.

[0038] More specifically, when the preset threshold needs to be adjusted, rotating the rotating sleeve 4 drives the mating block 5 to rotate. Through the arc-shaped arrangement of multiple sets of positioning grooves 14 and positioning blocks 13, the multiple sets of positioning grooves 14 push the positioning blocks 13 out of the positioning grooves 14 and push the abutment sleeve 15 to stretch the tension spring 16. When the multiple sets of positioning blocks 13 move to the next set of positioning grooves 14, the tension spring 16 resets and pulls the abutment sleeve 15 and pushes the positioning blocks 13 to reset and engage in the positioning groove 14, so that the rotation of the rotating sleeve 4 forms a gear. The mating block 5 drives the slide rod 9 to rotate, and the slide rod 9 drives the slide sleeve 10 to rotate. Through the threaded engagement of the transmission sleeve 11 with the inner wall of the pressure relief sleeve 3, the transmission sleeve 11 drives the slide sleeve 10 to move along the slide rod 9 and the inner wall of the pressure relief sleeve 3 to stretch or contract the pressure spring 12. The tension spring 12 increases the preset force, and the contraction decreases the preset force.

[0039] In summary, the overall equipment is used or operated as follows: When in use, place the cooking pot 1 on an external heating device and put the jujube paste processing raw material into the cooking pot 1. Connect the screw 25 to the threaded groove 27. Then, place the top cover 2 on top of the cooking pot 1 and press the sealing strip 28. Next, insert both ends of the handle 24 into multiple sets of limiting plates 23. Then, rotate the handle 26 to make the threaded groove 27 engage with the screw 25. The screw 25 pushes the top cover 2 to press tightly against the top of the cooking pot 1 for sealing. When steaming... When the pressure inside the cooking pot 1 reaches the preset threshold of the pressure spring 12, the push plate 8 is pushed to disengage from the adapter groove 20. It slides along the limiting hole 18 through multiple sets of limiting blocks 17 and pushes the slide rod 9 along the sliding sleeve 10 through the rotating rod 7. At the same time, it pushes the mating block 5 and the rotating sleeve 4 and stretches the pressure spring 12. The rotating sleeve 4 separates from the top of the pressure relief sleeve 3, so that the air pressure is discharged from the cooking pot 1 through the flow gap between the push plate 8 and the adapter groove 20. Then, it is discharged from the pressure relief sleeve 3 through the gap between the multiple sets of through holes 19 and the multiple sets of positioning grooves 14 and the pressure relief sleeve 3.

[0040] When the preset threshold needs to be adjusted, rotating the rotating sleeve 4 drives the mating block 5 to rotate. Through the arc-shaped arrangement of multiple sets of positioning grooves 14 and positioning blocks 13, the multiple sets of positioning grooves 14 push the positioning blocks 13 out of the positioning grooves 14 and push the abutment sleeve 15 to stretch the tension spring 16. When the multiple sets of positioning blocks 13 move to the next set of positioning grooves 14, the tension spring 16 resets and pulls the abutment sleeve 15 and pushes the positioning blocks 13 to reset and engage in the positioning groove 14, so that the rotation of the rotating sleeve 4 forms a gear. The mating block 5 drives the slide rod 9 to rotate, and the slide rod 9 drives the slide sleeve 10 to rotate. Through the threaded engagement of the transmission sleeve 11 with the inner wall of the pressure relief sleeve 3, the transmission sleeve 11 drives the slide sleeve 10 to move along the slide rod 9 and the inner wall of the pressure relief sleeve 3 to stretch or contract the pressure spring 12. The tension spring 12 increases the preset force, and the contraction decreases the preset force.

[0041] 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 high-efficiency steaming and cooking device for jujube paste processing, comprising a steaming and cooking pot (1), characterized in that: The cooking pot (1) is provided with a top cover (2) at the top. The top cover (2) is provided with a pressure relief mechanism. The pressure relief mechanism includes a pressure relief sleeve (3), a rotating sleeve (4), a mating block (5), a limiting sleeve (6), a rotating rod (7), a push plate (8), a sliding rod (9), a sliding sleeve (10), a transmission sleeve (11), and a compression spring (12). The pressure relief sleeve (3) is fixed on the top cover (2). The rotating sleeve (4) rotates at the top of the pressure relief sleeve (3). The mating block (5) is fixed on the bottom surface of the rotating sleeve (4). The limiting sleeve (6) is fixed inside the pressure relief sleeve (3). The rotating rod (7) moves inside the limiting sleeve (6). The push plate (8) rotates at the bottom of the rotating rod (7). The sliding rod (9) is fixed at the top of the rotating rod (7) and is fixed to the mating block (5). The sliding sleeve (10) slides on the outer wall of the sliding rod (9), and the transmission sleeve (11) is fixed on the outer wall of the sliding sleeve (10) and threadedly connected to the inner wall of the pressure relief sleeve (3). The two ends of the compression spring (12) are respectively connected to the mating block (5) and the sliding sleeve (10). The pressure relief sleeve (3) is provided with a positioning mechanism on the outside. The positioning mechanism includes a positioning block (13), a positioning groove (14), an abutment sleeve (15), and a tension spring (16). The positioning block (13) is provided with multiple sets that slide on the outer wall of the pressure relief sleeve (3). The positioning groove (14) is provided with multiple sets that are distributed on the outside of the mating block (5). The abutment sleeve (15) abuts against the outside of multiple sets of positioning blocks (13). The tension spring (16) is connected to the inside of multiple sets of abutment sleeves (15) and is fixedly connected to the outer wall of the pressure relief sleeve (3).

2. The high-efficiency steaming and cooking device for jujube paste processing according to claim 1, characterized in that: The top surface of the push plate (8) is fixedly provided with a limiting block (17), and multiple sets of the limiting block (17) are provided. The limiting sleeve (6) is provided with a limiting hole (18), and multiple sets of the limiting hole (18) are provided and are slidably connected to multiple sets of limiting blocks (17).

3. The high-efficiency steaming and cooking device for jujube paste processing according to claim 2, characterized in that: The limiting sleeve (6) has through holes (19), and there are multiple sets of through holes (19).

4. The high-efficiency steaming and cooking device for jujube paste processing according to claim 3, characterized in that: The pressure relief sleeve (3) has an adapter groove (20) on its inner bottom surface, and the push plate (8) is pressed against the adapter groove (20).

5. The high-efficiency steaming and cooking device for jujube paste processing according to claim 4, characterized in that: The bottom of the multiple sets of positioning blocks (13) and the outer side of the positioning groove (14) are all set to be arc-shaped.

6. The high-efficiency steaming and cooking device for jujube paste processing according to claim 5, characterized in that: The outer wall of the pressure relief sleeve (3) is provided with a guide groove (21), and the outer wall of the abutment sleeve (15) is fixedly provided with a guide block (22). The guide groove (21) and the guide block (22) are provided in multiple sets and are slidably connected.

7. The high-efficiency steaming and cooking device for jujube paste processing according to claim 6, characterized in that: The top cover (2) is provided with a pressing mechanism, which includes a limiting plate (23), a handle (24), a screw (25), a throttle (26) and a threaded groove (27). The limiting plate (23) is provided with multiple sets fixed to the outer wall of the cooking pot (1). The two ends of the handle (24) are respectively inserted into the multiple sets of limiting plates (23). The screw (25) is fixed to the top surface of the top cover (2). The throttle (26) rotates at the top of the handle (24). The threaded groove (27) is provided in the throttle (26) and is threadedly connected to the screw (25).

8. The high-efficiency steaming and cooking device for jujube paste processing according to claim 7, characterized in that: A sealing strip (28) is provided between the top surface of the cooking pot (1) and the top cover (2).