A quick-release type sealing connecting device for rice pipeline maintenance

The quick-release maintenance sealing connection device solves the problems of cumbersome disassembly and poor sealing of the rice chute connection, enabling quick disassembly and assembly, stable connection and safe observation, reducing the risk of dust explosion and improving maintenance efficiency and safety.

CN122148849APending Publication Date: 2026-06-05JIANGXI SHENNONGYUAN RICE IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JIANGXI SHENNONGYUAN RICE IND CO LTD
Filing Date
2026-04-14
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

The existing rice chute connection is cumbersome to install and disassemble, has poor sealing, poses safety hazards, and lacks convenient observation and pressure relief structures.

Method used

The device employs a quick-release maintenance and sealing connection device, including an intermediate connecting pipe, a fixing pipe, a clamping rod, a locking component, an observation component, a fastening component, a cleaning component, and a pressure relief component, to achieve rapid disassembly and assembly, improve sealing performance and ease of observation, and eliminate safety hazards.

Benefits of technology

It enables rapid disassembly and maintenance of the chute, enhances the stability and sealing of the connection, ensures the clarity of the observation window, reduces the risk of dust explosion, and reduces maintenance time and costs.

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Abstract

The application discloses a quick-release type overhauling sealing connecting device for a rice chute, which comprises a middle connecting pipe, fixed pipes, first fixing columns, second fixing columns and clamping rods, the fixed pipes symmetrically arranged are fixed to the end portions of an externally connected chute through bolts respectively, a plurality of second fixing columns are fixed to each fixed pipe, a plurality of first fixing columns symmetrically arranged are fixed to the middle connecting pipe, a clamping rod is rotatably connected to each first fixing column, each clamping rod is clamped on a corresponding second fixing column, and the quick-release type overhauling sealing connecting device further comprises a locking assembly and an observation assembly, the locking assembly is used for improving the locking strength of the clamping rod and the installation stability of the middle connecting pipe, and the observation assembly is convenient for workers to check the situation in the middle connecting pipe. The quick-release type overhauling sealing connecting device can realize quick butt joint and dismounting of the middle connecting pipe and the fixed pipes, can complete overhauling without removing the whole chute pipeline, and can reduce overhauling time and operation difficulty.
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Description

Technical Field

[0001] This invention relates to the field of rice chutes, specifically to a quick-release inspection and sealing connection device for rice chutes. Background Technology

[0002] In the field of rice processing and conveying technology, existing rice chutes are mostly fixed by flange welding or direct bolt fastening at the connection points. During use, workers need to use welding equipment to weld the flange to the end of the chute as a single unit, and then use multiple sets of bolts to butt-tighten the flanges of the two chute sections; or they can directly use multiple sets of bolts through the connection ends of the two chute sections to achieve a fixed connection.

[0003] These existing technologies have several significant drawbacks. First, the installation and disassembly processes are cumbersome. Both welding and tightening of numerous bolts require considerable manpower and time. When the chute needs maintenance, the entire welded structure or all bolts at the connection point must be removed, making quick, partial disassembly and maintenance impossible. Second, the locking strength of the connection structure is insufficient. After prolonged use, bolts are prone to loosening, leading to gaps at the chute connection and causing leaks of rice and dust, resulting in poor sealing. Third, there is a lack of convenient observation structures. Workers cannot directly observe the material transport and blockage conditions inside the chute, often requiring disassembly to troubleshoot, further increasing maintenance costs and time. Fourth, there is no dedicated pressure relief and dust explosion prevention structure. When the dust density inside the chute is too high, it is highly susceptible to explosion upon contact with an open flame, posing a significant safety hazard. Fifth, the observation windows at the connection points are prone to dust accumulation, and the lack of corresponding cleaning structures makes manual wiping not only cumbersome but also affects observation efficiency and effectiveness. Summary of the Invention

[0004] This invention addresses the shortcomings of existing technologies by providing a quick-release inspection and sealing connection device for rice chutes, enabling rapid disassembly and maintenance of the chutes, improving connection stability and sealing, and facilitating observation of the internal condition of the pipes, thus eliminating the safety hazard of dust explosions.

[0005] The technical solution provided by this invention to solve the above problems is as follows: a quick-release inspection and sealing connection device for rice chutes, comprising an intermediate connecting pipe, a fixed pipe, a first fixed post, a second fixed post, and a clamping rod. The symmetrically arranged fixed pipes are respectively fixed to the ends of the external chutes by bolts. Each fixed pipe is fixed with several second fixed posts. The intermediate connecting pipe is fixed with several symmetrically arranged first fixed posts. Each first fixed post is rotatably connected with a clamping rod. Each clamping rod is clamped on a corresponding second fixed post. The device also includes a locking component and an observation component. The locking component is used to improve the locking strength of the clamping rod and improve the installation stability of the intermediate connecting pipe. The observation component facilitates the staff to check the condition inside the intermediate connecting pipe.

[0006] More preferably, the fixing tube is clamped onto the second fixing post by a clamping rod, thereby fixing the intermediate connecting tube between the fixing tubes.

[0007] More preferably, the number of the first fixing post and the number of the second fixing post are relative.

[0008] More preferably, the locking assembly includes a rotating rod, a sliding rod, a spring, a take-up reel, a guide wire, and a pull rope. Each locking rod is rotatably connected to a rotating rod, and each locking rod is slidably connected to a sliding rod. Each sliding rod is connected to a corresponding rotating rod by a spring. Each rotating rod has a take-up reel fixedly attached to its lower part, and each take-up reel is connected to a pull rope. Each locking rod has a guide wire fixedly attached to it, each pull rope passes through a corresponding guide wire, and the end of each pull rope is connected to a corresponding sliding rod.

[0009] More preferably, the observation assembly includes a rotating observation window, a sliding frame, and a pull rod. The rotating observation window is rotatably connected to the intermediate connecting tube, the symmetrically arranged sliding frames are slidably connected to the rotating observation window, the outer side of the sliding frames abuts against the intermediate connecting tube, and the pull rod is fixed to the top of the rotating observation window.

[0010] More preferably, it also includes a fastening assembly, which includes a seal, a limiting block, and a threaded rod. Each fixed tube has a seal that is slidably connected to its inner wall, and each fixed tube has a symmetrically arranged limiting block fixed to its lower part. The two ends of the seal pass through the corresponding limiting blocks in an alternating manner, and the end of the seal is threadedly connected to a threaded rod. The end of the threaded rod is rotatably connected to the limiting block.

[0011] More preferably, the seal can be stretched to tighten the chute and improve the connection sealing.

[0012] More preferably, it also includes a cleaning component, which includes a guide rod, a sliding seat, a magnetic component, and a magnetic scraper. The guide rod is fixed to the rotating observation window, the sliding seat is slidably connected to the guide rod, the symmetrically arranged magnetic components are embedded in the sliding seat, and the magnetic scraper is slidably connected to the bottom of the rotating observation window. The magnetic component attracts the magnetic scraper.

[0013] More preferably, it also includes a pressure relief assembly, which includes a venting element and a blocking element. Each fixed pipe is evenly equipped with a venting element, and each venting element is fitted with a blocking element inside.

[0014] More preferably, if the dust density inside the pipe is too high, in order to prevent a dust explosion when exposed to an open flame, the blockage can be opened periodically to allow the dust inside the pipe to be discharged.

[0015] Compared with the prior art, the advantages of the present invention are: the present invention can realize the quick connection and disassembly of the intermediate connecting pipe and the fixed pipe, and can complete the maintenance without dismantling the entire chute pipeline, reducing maintenance time and operation difficulty.

[0016] The locking component can improve the locking strength of the lever, prevent the lever from falling off the second fixing post, enhance the installation stability of the intermediate connecting tube, and make the connection structure more robust and reliable.

[0017] The observation component allows staff to easily check the condition inside the intermediate connecting pipe, and can promptly handle minor blockages without disassembling the device.

[0018] Fastening components can tighten and deform the seal, improve the sealing of the connection, and prevent rice and dust from leaking out of the connection gap.

[0019] The cleaning unit can automatically clean the dust from the surface of the rotating observation window, ensuring the clarity of the observation window and facilitating continuous observation of the internal condition of the pipeline by staff.

[0020] The pressure relief component can discharge dust when the dust density in the pipeline is too high, preventing dust explosion when exposed to open flame, eliminating safety hazards, and ensuring the safety of rice conveying process. Attached Figure Description

[0021] The accompanying drawings, which are provided to further illustrate the invention and constitute a part of this invention, are illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention.

[0022] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0023] Figure 2 This is a schematic diagram of the first partial three-dimensional structure of the present invention.

[0024] Figure 3 This is a schematic diagram of the second partial three-dimensional structure of the present invention.

[0025] Figure 4 This is a schematic diagram of the third part of the three-dimensional structure of the present invention.

[0026] Figure 5 This is a schematic diagram of the fourth partial three-dimensional structure of the present invention.

[0027] Figure 6 This is a schematic diagram of the fifth partial three-dimensional structure of the present invention.

[0028] Figure 7 This is a schematic diagram of a partial cross-sectional three-dimensional structure of the present invention.

[0029] Figure 8This is a schematic diagram of a second partial cross-sectional three-dimensional structure of the present invention.

[0030] Figure 9 This is a schematic diagram of the sixth partial three-dimensional structure of the present invention.

[0031] Attached diagram labels: 1. Intermediate connecting pipe; 2. Fixed pipe; 3. First fixed post; 4. Second fixed post; 5. Clamping rod; 6. Rotating rod; 7. Sliding rod; 8. Spring; 9. Rotating observation window; 10. Sliding frame; 11. Pull rod; 12. Take-up reel; 13. Wire guide; 14. Pull rope; 15. Sealing element; 16. Limiting block; 17. Threaded rod; 18. Guide rod; 19. Sliding seat; 20. Magnetic suction element; 21. Magnetic suction scraper; 22. Ventilation element; 23. Blocking element. Detailed Implementation

[0032] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. In this description, it should be noted that the terms "first," "second," etc., are used for descriptive purposes only and do not specifically refer to any order or sequence, nor are they intended to limit the present invention. They are merely used to distinguish components or operations described using the same technical terms, and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of those features. The term "comprising" and any variations thereof in the specification, claims, and accompanying drawings are intended to cover non-exclusive inclusion.

[0033] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to fixed connections or detachable connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0034] Furthermore, in the description of this invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0035] Example 1: As shown in the attached figure, a quick-release inspection and sealing connection device for rice chutes includes an intermediate connecting pipe 1, a fixed pipe 2, a first fixed post 3, a second fixed post 4, and a clamping rod 5. The symmetrically arranged fixed pipes 2 are respectively fixed to the ends of the external chutes by bolts. Each fixed pipe 2 is fixed with several second fixed posts 4. The intermediate connecting pipe 1 is fixed with several symmetrically arranged first fixed posts 3. The number of first fixed posts 3 and second fixed posts 4 is relative. Each first fixed post 3 is rotatably connected with a clamping rod 5. Each clamping rod 5 is clamped on the corresponding second fixed post 4. The fixed pipe 2 is clamped on the second fixed post 4 by the clamping rod 5, thereby fixing the intermediate connecting pipe 1 between the fixed pipes 2. It also includes a locking component and an observation component. The locking component is used to improve the locking strength of the clamping rod 5 and improve the installation stability of the intermediate connecting pipe 1. The observation component makes it convenient for workers to check the condition inside the intermediate connecting pipe 1.

[0036] In this embodiment, the locking assembly specifically includes a rotating rod 6, a sliding rod 7, a spring 8, a take-up reel 12, a guide wire 13, and a pull rope 14. Each locking rod 5 is rotatably connected to a rotating rod 6, and each locking rod 5 is slidably connected to a sliding rod 7. Each sliding rod 7 is connected to a corresponding rotating rod 6 via a spring 8. Each rotating rod 6 has a take-up reel 12 fixedly attached to its lower part, and each take-up reel 12 is connected to a pull rope 14. Each locking rod 5 has a guide wire 13 fixedly attached, and each pull rope 14 passes through a corresponding guide wire 13. The end of each pull rope 14 is connected to a corresponding sliding rod 7. Secondly, the observation assembly includes a rotating observation window 9, a sliding frame 10, and a pull rod 11. The rotating observation window 9 is rotatably connected to the intermediate connecting pipe 1, and the symmetrically arranged sliding frames 10 are slidably connected to the rotating observation window 9. The outer side of the sliding frame 10 abuts against the intermediate connecting pipe 1, and the pull rod 11 is fixedly connected to the top of the rotating observation window 9.

[0037] When installing the quick-release inspection and sealing connection device for the rice chute, first fix the two fixed pipes 2 to the ends of the external chute with bolts, then place the intermediate connecting pipe 1 between the two fixed pipes 2, so that the positions of the first fixed post 3 and the second fixed post 4 correspond one-to-one. Then rotate the rotating rod 6 on the clamping rod 5. The rotating rod 6 will drive the take-up wheel 12 below it to rotate. When the take-up wheel 12 rotates, it will wind up the pull rope 14. The pull rope 14 will pull the sliding rod 7 to slide on the clamping rod 5 under the guidance of the wire member 13. At the same time, the spring 8 will deform. Then rotate the clamping rod 5 on each first fixed post 3 to clamp the clamping rod 5 into the corresponding second fixed post 4. On column 4, the intermediate connecting pipe 1 can be initially fixed between the two fixed pipes 2, realizing the quick docking of the intermediate connecting pipe 1 and the fixed pipe 2, laying the foundation for the subsequent locking operation, forming a preliminary connection structure between the intermediate connecting pipe 1 and the fixed pipe 2, and preventing the intermediate connecting pipe 1 from shifting. After the locking operation of the locking rod 5 is completed, the rotating rod 6 is released, the spring 8 returns to its original position, and the sliding rod 7 moves to lock the second fixed column 4. In this way, the locking strength of the locking rod 5 can be improved, preventing the locking rod 5 from falling off the second fixed column 4, enhancing the installation stability of the intermediate connecting pipe 1, and making the connection between the intermediate connecting pipe 1 and the fixed pipe 2 more firm and reliable. Workers can check the condition inside the intermediate connecting pipe 1 by rotating the observation window 9. If there is a slight blockage, the sliding bracket 10 on the observation window 9 can be slid and rotated to disengage the outer side of the sliding bracket 10 from the intermediate connecting pipe 1. Then, the pull rod 11 will be pulled, which will cause the observation window 9 to rotate on the intermediate connecting pipe 1, allowing workers to clear the pipe. In this way, the internal condition can be observed without disassembling the device, and the condition can be dealt with in a timely manner, reducing maintenance time. When the intermediate connecting pipe 1 needs maintenance, the intermediate connecting pipe 1 can be removed for maintenance simply by removing the clamp 5 from the second fixing column 4, without having to disassemble the entire chute for maintenance.

[0038] Example 2: Based on Example 1, as shown in the attached figure, it also includes a fastening assembly. The fastening assembly includes a seal 15, a limiting block 16, and a threaded rod 17. The inner wall of each fixed tube 2 is slidably connected to the seal 15. The lower part of each fixed tube 2 is fixedly connected to a symmetrically arranged limiting block 16. The two ends of the seal 15 pass through the corresponding limiting block 16 in an alternating manner. The seal 15 can be stretched and deformed, thereby fastening the chute and improving the connection sealing performance. The end of the seal 15 is threadedly connected to the threaded rod 17, and the end of the threaded rod 17 is rotatably connected to the limiting block 16. Furthermore, the system also includes a cleaning component, comprising a guide rod 18, a sliding seat 19, a magnetic suction element 20, and a magnetic scraper 21. The guide rod 18 is fixed to the rotating observation window 9, the sliding seat 19 is slidably connected to the guide rod 18, the symmetrically arranged magnetic suction elements 20 are embedded in the sliding seat 19, and the magnetic scraper 21 is slidably connected to the bottom of the rotating observation window 9, with the magnetic suction element 20 adsorbing the magnetic scraper 21. Even further, the system includes a pressure relief component, comprising a venting element 22 and a blocking element 23. Ventilating elements 22 are evenly installed on each fixed pipe 2, and each venting element 22 has a blocking element 23 inserted inside. If the dust density inside the pipe is too high, to prevent a dust explosion upon contact with an open flame, the blocking element 23 can be periodically opened to allow the dust inside the pipe to be discharged.

[0039] Based on Example 1, when installing the fastening assembly, the sealing element 15 is slidably connected to the inner wall of the fixed tube 2, so that the two ends of the sealing element 15 pass through the limiting block 16 at the bottom of the fixed tube 2 in an alternating manner. Then, the threaded rod 17, which is threaded to the end of the sealing element 15, is rotated. When the threaded rod 17 rotates, it pulls the sealing element 15, causing the sealing element 15 to undergo tension deformation, thereby fastening the chute and improving the sealing performance of the connection, preventing rice and dust from leaking from the connection gap, and enhancing the tightness of the connection structure. After installing the cleaning assembly, when the surface of the rotating observation window 9 is contaminated with dust and affects observation, the sliding seat 19 on the sliding guide rod 18 and the magnetic suction element 20 on the sliding seat 19 will attract the magnetic suction scraper 21 to slide at the bottom of the rotating observation window 9, which can clean the dust on the surface of the rotating observation window 9, ensuring the clarity of the observation window, eliminating the need for manual wiping, and allowing the staff to continuously and clearly observe the situation inside the intermediate connecting tube 1. During use, when the dust density in the pipe is too high, the blockage 23 inside the vent 22 should be opened periodically to prevent dust explosion caused by open flame in the pipe, reduce the dust concentration in the pipe, eliminate safety hazards, and allow the dust in the pipe to be discharged through the vent 22, ensuring the safety of the rice conveying process.

[0040] The above description only illustrates the preferred embodiments of the present invention and should not be construed as limiting the scope of the claims. The present invention is not limited to the above embodiments, and variations in its specific structure are permitted. All modifications made within the scope of the independent claims of this invention are also within the scope of protection of this invention.

Claims

1. A quick-release inspection and sealing connection device for rice chutes, comprising an intermediate connecting pipe (1), a fixed pipe (2), a first fixed post (3), a second fixed post (4), and a clamping rod (5), wherein the symmetrically arranged fixed pipes (2) are respectively fixed to the ends of the external chutes by bolts, and each fixed pipe (2) is fixedly connected with several second fixed posts (4), and the intermediate connecting pipe (1) is fixedly connected with several symmetrically arranged first fixed posts (3), each first fixed post (3) is rotatably connected with a clamping rod (5), and each clamping rod (5) is clamped on the corresponding second fixed post (4), characterized in that, It also includes a locking component and an observation component. The locking component is used to improve the locking strength of the lever (5) and improve the installation stability of the intermediate connecting tube (1). The observation component makes it easier for staff to check the situation inside the intermediate connecting tube (1).

2. The quick-release inspection and sealing connection device for rice chutes according to claim 1, characterized in that, The fixing tube (2) is clamped onto the second fixing post (4) by the clamp rod (5), thereby fixing the intermediate connecting tube (1) between the fixing tubes (2).

3. The quick-release inspection and sealing connection device for rice chutes according to claim 1, characterized in that, The number of the first fixed column (3) and the number of the second fixed column (4) are relative.

4. The quick-release inspection and sealing connection device for rice chutes according to claim 1, characterized in that, The locking assembly includes a rotating rod (6), a sliding rod (7), a spring (8), a take-up reel (12), a guide wire (13), and a pull rope (14). Each locking rod (5) is rotatably connected to a rotating rod (6), and each locking rod (5) is slidably connected to a sliding rod (7). Each sliding rod (7) is connected to a corresponding rotating rod (6) by a spring (8). Each rotating rod (6) is fixedly connected to a take-up reel (12) at its lower part. Each take-up reel (12) is connected to a pull rope (14). Each locking rod (5) is fixedly connected to a guide wire (13). Each pull rope (14) passes through a corresponding guide wire (13), and the end of each pull rope (14) is connected to a corresponding sliding rod (7).

5. The quick-release inspection and sealing connection device for rice chutes according to claim 1, characterized in that, The observation assembly includes a rotating observation window (9), a sliding frame (10), and a pull rod (11). The rotating observation window (9) is rotatably connected to the intermediate connecting pipe (1). The symmetrically arranged sliding frame (10) is slidably connected to the rotating observation window (9). The outer side of the sliding frame (10) abuts against the intermediate connecting pipe (1). The pull rod (11) is fixed to the top of the rotating observation window (9).

6. The quick-release inspection and sealing connection device for rice chutes according to claim 1, characterized in that, It also includes fastening components, which include a seal (15), a limiting block (16) and a threaded rod (17). The inner wall of each fixed tube (2) is slidably connected to a seal (15), and the lower part of each fixed tube (2) is fixedly connected to a symmetrically arranged limiting block (16). The two ends of the seal (15) pass through the corresponding limiting block (16) alternately. The end of the seal (15) is threadedly connected to a threaded rod (17), and the end of the threaded rod (17) is rotatably connected to the limiting block (16).

7. The quick-release inspection and sealing connection device for rice chutes according to claim 6, characterized in that, The seal (15) can be stretched to tighten the chute and improve the connection sealing.

8. The quick-release inspection and sealing connection device for rice chutes according to claim 1, characterized in that, It also includes a cleaning component, which includes a guide rod (18), a sliding seat (19), a magnetic suction element (20), and a magnetic scraper (21). The guide rod (18) is fixed to the rotating observation window (9), the sliding seat (19) is slidably connected to the guide rod (18), the symmetrically arranged magnetic suction element (20) is embedded in the sliding seat (19), and the magnetic scraper (21) is slidably connected to the bottom of the rotating observation window (9). The magnetic suction element (20) attracts the magnetic scraper (21).

9. A quick-release inspection and sealing connection device for rice chutes according to claim 1, characterized in that, It also includes a pressure relief assembly, which includes a vent (22) and a plug (23). Each fixed pipe (2) is evenly equipped with a vent (22), and each vent (22) is fitted with a plug (23).

10. A quick-release inspection and sealing connection device for rice chutes according to claim 9, characterized in that, If the dust density in the pipe is too high, in order to avoid dust explosion when exposed to an open flame, the blockage part (23) can be opened periodically so that the dust in the pipe can be discharged.