Multifunctional air-tight door special for grain depot
By designing a multi-functional closed door dedicated to the grain warehouse, using a structure of low door panels, grain ports and square grain storage boards, the problem of difficult growth of doors when grain is too long is solved, the convenient release of grain and the smooth entry of equipment are achieved, and the sealing of the grain warehouse is enhanced.
Patent Information
- Application Number
- CN202421296989.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-06-07
AI Technical Summary
The existing grain warehouse doors are difficult to increase when there is a lot of grain, which affects the convenience of grain release and equipment entry.
A multi-functional closed door dedicated to grain warehouses is designed, using a structure of low door panels, grain ports and square grain ports, so that grain can be released through the grain ports, and the low door panels are opened after the grain does not block the low door panels for equipment to enter. At the same time, through the combination of the "U-shaped" sealing frame, threaded rod and driving motor, the downward movement of the sealing door body and the "U-shaped" sealing frame are achieved to enhance the sealing property of the grain warehouse.
It has achieved convenient release of grain and smooth entry of equipment, reduced the labor intensity of manual operation, improved the production efficiency of the grain warehouse, and enhanced the sealing of the grain warehouse.
Smart Images

Figure CN222576518U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of grain depot doors, and in particular relates to a multifunctional closed door special for a grain depot. Background Art
[0002] A grain depot is the abbreviation of a grain warehouse and is the customary name for grain storage enterprises. It is a state-owned enterprise and an important part of China's grain enterprises. It is managed by the grain department and is responsible for the main channel of national grain reserves, local grain reserves, and grain circulation. Its main task is to complete all aspects of grain circulation, including the acceptance, storage, transportation and delivery of grain.
[0003] In the related technology, a grain-blocking door for a grain depot is disclosed, which belongs to the technical field of grain depot equipment and devices, wherein two "concave-shaped" mounting frames of the door frame are each equipped with a slide seat through a hinge, and a vertical concave slide seat is provided, and one side of the bottom short door leaf is embedded in the concave slide slot to form a clearance fit, and a lifting drive mechanism is installed on the upper short door leaf of the left door leaf and the right door leaf, and the lifting drive mechanism is connected with the bottom short door leaf, and a guide limit mechanism is installed between the bottom short door leaf and the upper short door leaf, which together with the concave slide slot, limits and guides the lifting and lowering of the bottom short door leaf, and the lifting and lowering drive mechanism and the lifting guide mechanism are provided so that the bottom short door leaf of the segmented door leaf can be lifted and lowered. When the grain at the bottom of the grain depot still pushes the bottom short door leaf, the bottom short door leaf can be lifted to unload the grain, and the grain-blocking door can be fully opened, so that it is convenient for automated grain-taking equipment to enter the grain depot for operation, reduce the labor intensity of manual cleaning of the bottom grain, and improve production efficiency.
[0004] However, the above structure still has some shortcomings. When releasing grain from the grain depot, the short door leaf at the bottom rises to release the grain. However, when a lot of grain is stored in the grain depot, the grain squeezes the depot door, making it inconvenient to raise the depot door.
[0005] Therefore, it is necessary to provide a new multifunctional closed door dedicated to a grain depot to solve the above-mentioned technical problems. Utility Model Content
[0006] The technical problem solved by the utility model is to provide a multifunctional closed door dedicated to the grain depot which can protect and seal the grain depot, and can release grain through the grain release opening by opening the square grain release plate, so as to open the short door plate to allow equipment to enter.
[0007] In order to solve the above technical problems, the utility model provides a multifunctional closed door for a grain depot, comprising a sealed door body arranged in a wall, a first mounting groove and a square door opening are provided on the outer side of the wall, and the first mounting groove and the square door opening are both adapted to the sealed door body;
[0008] Two mounting plates are installed in the square door opening, and multiple short door plates are hingedly installed on the two mounting plates through hinges, and the multiple short door plates are adapted to each other, a "U-shaped" sealing frame is fixedly installed in the square door opening, and the sealed door body is slidably installed on the "U-shaped" sealing frame, and the top end of the "U-shaped" sealing frame passes through the top inner wall of the square door opening and is connected to the first mounting groove;
[0009] A "concave-shaped" installation frame is fixedly installed on the bottom inner wall of the first installation groove, a threaded rod is rotatably installed in the "concave-shaped" installation frame, a driving motor is fixedly installed on the top of the "concave-shaped" installation frame, the output shaft of the driving motor extends into the "concave-shaped" installation frame and is fixedly connected to the threaded rod, an internally threaded slider is threadedly sleeved on the threaded rod, and the side of the internally threaded slider close to the sealing door body is fixedly connected to the sealing door body, and two protective outer doors are hingedly installed on the outer side of the wall, and the two protective outer doors are adapted to the square door opening;
[0010] A base is installed on the bottom inner wall of the square door opening to prevent water from penetrating deeply.
[0011] As a further solution of the utility model, a positioning block and a rectangular block are respectively fixedly installed on the corresponding two short door panels, the rectangular block is provided with an L-shaped slide groove, an L-shaped insertion rod is slidably installed in the L-shaped slide groove, and a circular slide hole is provided on the positioning block, one end of the L-shaped insertion rod passes through the circular slide hole and is slidably connected to the circular slide hole.
[0012] As a further solution of the utility model, a grain placing opening is provided on the short door panel, a square grain placing plate is slidably mounted on the outer side of the short door panel, and the grain placing opening and the square grain placing plate are matched with each other.
[0013] As a further solution of the utility model, a "U-shaped" limit frame is fixedly installed on the outer wall of the low door panel, a limit groove is provided on the "U-shaped" limit frame, the square grain release plate is adapted to the limit groove, and a pull block is fixedly installed on one side of the square grain release plate.
[0014] As a further solution of the utility model, two sealing grooves are provided on the "U-shaped" sealing frame, two first sealing strips are fixedly mounted on the sealing door body, and the sealing grooves and the first sealing strips are connected in a sliding sealing manner.
[0015] As a further solution of the utility model, a groove is provided on the protective outer door, a second sealing strip is fixedly installed on one of the protective outer doors, and the groove and the second sealing strip are matched.
[0016] As a further solution of the utility model, a through groove is provided on the top inner wall of the square door opening, and the sealing door body passes through the through groove and is slidably connected to the through groove.
[0017] As a further solution of the present utility model, the first installation groove is blocked by a shielding plate, and the shielding plate is positioned in the first installation groove by a positioning mechanism.
[0018] As a further solution of the utility model, the positioning mechanism includes two embedded mounting grooves provided on the shielding plate, an embedded telescopic spring is fixedly installed on the inner wall of one side of the embedded mounting groove, an embedded follower block is fixedly installed on one end of the embedded telescopic spring, a square sliding hole is provided on the bottom inner wall of the embedded mounting groove, a follower rod is slidably installed in the square sliding hole, the top end of the follower rod extends into the corresponding embedded mounting groove and is fixedly connected to the embedded follower block, and an anti-slip handle is fixedly installed on the bottom end of the follower rod.
[0019] Compared with the related art, the multifunctional closed door for grain depot provided by the utility model has the following beneficial effects:
[0020] 1. The utility model is provided with a short door plate, a grain discharge port and a square grain discharge plate, so that the grain in the grain depot can be discharged through the grain discharge port, and after the grain is discharged and no longer blocks the short door plate, the short door plate is opened, so that the equipment can enter the grain depot;
[0021] 2. The utility model provides a "U-shaped" sealing frame, a sealing door body, a "concave" installation frame, a threaded rod, a driving motor and an internal threaded slider, so that the sealing door body can be moved downward and cooperated with the "U-shaped" sealing frame to seal the grain depot. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.
[0023] Figure 1 A schematic diagram of the first three-dimensional structure of the multifunctional closed door dedicated to a grain depot provided by the utility model;
[0024] Figure 2 A second three-dimensional structural schematic diagram of the multifunctional closed door dedicated to a grain depot provided by the utility model;
[0025] Figure 3 for Figure 1 A schematic diagram of the enlarged structure of part A;
[0026] Figure 4 for Figure 1 A schematic diagram of the enlarged structure of part B;
[0027] Figure 5 It is the assembly drawing of the square grain release plate and the "U-shaped" limit frame in the utility model;
[0028] Figure 6 A schematic diagram of the first partial structure of the multifunctional closed door dedicated to a grain depot provided by the utility model;
[0029] Figure 7 for Figure 1 A schematic diagram of the cross-sectional structure of the middle C portion viewed from above;
[0030] Figure 8 It is a schematic diagram of the structure of the two protective outer doors of the utility model when viewed from above.
[0031] In the figure: 1. base; 2. wall; 201. first mounting groove; 202. square door opening; 3. mounting plate; 4. low door plate; 5. "U-shaped" sealing frame; 6. sealing door body; 601. shielding plate; 602. embedded mounting groove; 603. embedded telescopic spring; 604. embedded follower block; 605. non-slip handle; 606. follower rod; 7. "concave" mounting frame; 8. threaded rod; 9. driving motor; 10. internal threaded slider; 11. protective outer door; 12. positioning block; 13. rectangular block; 14. L-shaped slide groove; 15. L-shaped plug rod; 16. grain release port; 17. square grain release plate; 18. "U-shaped" limit frame; 19. limit groove; 20. pull block; 21. sealing groove; 22. first sealing strip; 23. slot; 24. second sealing strip; 25. through groove. DETAILED DESCRIPTION
[0032] Please refer to Figures 1 to 8 ,in, Figure 1 A schematic diagram of the first three-dimensional structure of the multifunctional closed door dedicated to a grain depot provided by the utility model; Figure 2 A second three-dimensional structural schematic diagram of the multifunctional closed door dedicated to a grain depot provided by the utility model; Figure 3 for Figure 1 A schematic diagram of the enlarged structure of part A; Figure 4 for Figure 1 A schematic diagram of the enlarged structure of part B; Figure 5 It is the assembly drawing of the square grain release plate and the "U-shaped" limit frame in the utility model; Figure 6 A schematic diagram of the first partial structure of the multifunctional closed door dedicated to a grain depot provided by the utility model; Figure 7 for Figure 1 A schematic diagram of the cross-sectional structure of the middle C portion viewed from above; Figure 8 The structure diagram of the two protective outer doors of the utility model in a top view. The multifunctional closed door dedicated to the grain depot includes a sealing door body 6 arranged in the wall 2, and the outer side of the wall 2 is provided with a first installation groove 201 and a square door opening 202, and the first installation groove 201 and the square door opening 202 are both adapted to the sealing door body 6;
[0033] Two mounting plates 3 are installed in the square door opening 202, and multiple short door panels 4 are hingedly installed on the two mounting plates 3 through hinges, and the multiple short door panels 4 are adapted to each other, a "U-shaped" sealing frame 5 is fixedly installed in the square door opening 202, and the sealing door body 6 is slidably installed on the "U-shaped" sealing frame 5, and the top end of the "U-shaped" sealing frame 5 passes through the top inner wall of the square door opening 202 and is connected to the first mounting groove 201;
[0034] A "concave-shaped" mounting frame 7 is fixedly mounted on the bottom inner wall of the first mounting groove 201, a threaded rod 8 is rotatably mounted in the "concave-shaped" mounting frame 7, a driving motor 9 is fixedly mounted on the top of the "concave-shaped" mounting frame 7, an output shaft of the driving motor 9 extends into the "concave-shaped" mounting frame 7 and is fixedly connected to the threaded rod 8, an internally threaded slider 10 is threadedly sleeved on the threaded rod 8, a side of the internally threaded slider 10 close to the sealing door body 6 is fixedly connected to the sealing door body 6, two protective outer doors 11 are hingedly mounted on the outer side of the wall 2, and the two protective outer doors 11 are both adapted to the square door opening 202;
[0035] A base 1 is installed on the bottom inner wall of the square door opening 202 to prevent water from penetrating deeply.
[0036] A positioning block 12 and a rectangular block 13 are respectively fixedly mounted on the two corresponding short door panels 4, an L-shaped slide groove 14 is provided on the rectangular block 13, an L-shaped plug rod 15 is slidably mounted in the L-shaped slide groove 14, a circular slide hole is provided on the positioning block 12, one end of the L-shaped plug rod 15 passes through the circular slide hole and is slidably connected to the circular slide hole;
[0037] By providing the positioning block 12 , the rectangular block 13 , the L-shaped slide groove 14 and the L-shaped insertion rod 15 , the short door panel 4 can be fixed after the short door panel 4 is closed.
[0038] The short door panel 4 is provided with a grain discharge opening 16, and a square grain discharge plate 17 is slidably mounted on the outer side of the short door panel 4, and the grain discharge opening 16 and the square grain discharge plate 17 are adapted to each other;
[0039] By providing the grain release opening 16 and the square grain release plate 17 , grain can be released through the grain release opening 16 , so that the short door plate 4 can be opened after the grain no longer blocks the short door plate 4 .
[0040] A "U-shaped" limit frame 18 is fixedly installed on the outer wall of the short door panel 4, and a limit groove 19 is provided on the "U-shaped" limit frame 18. The square grain release plate 17 is adapted to the limit groove 19, and a pull block 20 is fixedly installed on one side of the square grain release plate 17.
[0041] By providing a “U-shaped” limit frame 18 , a limit groove 19 and a pull block 20 , the square grain placing plate 17 can be restricted, and the square grain placing plate 17 can be pulled up by the pull block 20 .
[0042] The U-shaped sealing frame 5 is provided with two sealing grooves 21, and the sealing door body 6 is fixedly provided with two first sealing strips 22, and the sealing grooves 21 and the first sealing strips 22 are connected in a sliding sealing manner;
[0043] By providing the sealing groove 21 and the first sealing strip 22, it is possible to facilitate the sliding of the sealing door body 6 on the "U-shaped" sealing frame 5, and the sealing performance of the grain storage is improved after the sealing door body 6 and the "U-shaped" sealing frame 5 are assembled and assembled.
[0044] The protective outer door 11 is provided with a slot 23, and a second sealing strip 24 is fixedly mounted on one of the protective outer doors 11, and the slot 23 is adapted to the second sealing strip 24;
[0045] By providing the slot 23 and the second sealing strip 24 , after the two protective outer doors 11 are closed, the second sealing strip 24 can be pressed against the slot 23 , thereby improving the sealing protection effect.
[0046] A through slot 25 is formed on the top inner wall of the square door opening 202, and the sealing door body 6 passes through the through slot 25 and is slidably connected to the through slot 25;
[0047] The through groove 25 is provided to facilitate the sealing door body 6 to pass through the wall 2, so that the sealing door body 6 can be smoothly lifted and lowered.
[0048] The first installation groove 201 is blocked by a shielding plate 601 , and the shielding plate 601 is positioned in the first installation groove 201 by a positioning mechanism.
[0049] The positioning mechanism includes two embedded mounting grooves 602 provided on the shielding plate 601, an embedded telescopic spring 603 is fixedly installed on the inner wall of one side of the embedded mounting groove 602, an embedded follower block 604 is fixedly installed on one end of the embedded telescopic spring 603, a square sliding hole is provided on the bottom inner wall of the embedded mounting groove 602, a follower rod 606 is slidably installed in the square sliding hole, the top end of the follower rod 606 extends into the corresponding embedded mounting groove 602 and is fixedly connected to the embedded follower block 604, and an anti-slip handle 605 is fixedly installed on the bottom end of the follower rod 606.
[0050] When it is necessary to open the first baffle plate 601 during the inspection of the sealing door body 6, directly pull the two anti-slip handles 605, and the anti-slip handles 605 drive the follower rod 606 to move, and the follower rod 606 drives the embedded follower block 604 to move, and the embedded follower block 604 drives the embedded telescopic spring 603 to move, compressing it to generate elastic force. When the embedded follower block 604 is no longer in contact with the inner wall of the first mounting groove 201, the baffle plate 601 can be removed and then the sealing door body 6 can be inspected. Otherwise, the baffle plate 601 can be installed in the first mounting groove 201.
[0051] The working principle of the multifunctional closed door dedicated to the grain depot provided by the utility model is as follows:
[0052] During use, the short door panel 4 is closed, and the L-shaped plug rod 15 is pulled to insert the L-shaped plug rod 15 into the positioning block 12, so that the grain can be blocked by the short door panel 4, and the driving motor 9 is started, and the driving motor 9 drives the threaded rod 8 to rotate, and the threaded rod 8 drives the internal threaded slider 10 to move downward, and the internal threaded slider 10 drives the sealing door body 6 to move downward, so that the bottom of the sealing door body 6 contacts the "U-shaped" sealing frame 5, thereby improving the sealing performance, and then the two protective outer doors 11 are closed to protect the grain warehouse;
[0053] When taking grain, open the protective outer door 11 and the sealing door body 6 in turn, then pull the square grain release plate 17 upwards through the pull block 20 to open the grain release port 16, and release the grain in the grain warehouse through the grain release port 16. When the grain in the grain warehouse no longer blocks the short door plate 4, the short door plate 4 can be opened to allow the equipment to enter the grain warehouse for automated grain transportation.
[0054] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;
[0055] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.
[0056] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations or direct or indirect applications may be made to these embodiments without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the attached claims and their equivalents, which are equally included in the scope of patent protection of the present invention.
Claims
1. A multifunctional closed door for grain storage, characterized in that: It comprises a sealing door body arranged in a wall, wherein a first installation groove and a square door opening are provided on the outer side of the wall, and the first installation groove and the square door opening are both adapted to the sealing door body; Two mounting plates are installed in the square door opening, and multiple short door plates are hingedly installed on the two mounting plates through hinges, and the multiple short door plates are matched with each other, a "U-shaped" sealing frame is fixedly installed in the square door opening, and the sealing door body is slidably installed on the "U-shaped" sealing frame, and the top end of the "U-shaped" sealing frame passes through the top inner wall of the square door opening and is connected to the first mounting groove; A "concave-shaped" installation frame is fixedly installed on the bottom inner wall of the first installation groove, a threaded rod is rotatably installed in the "concave-shaped" installation frame, a driving motor is fixedly installed on the top of the "concave-shaped" installation frame, the output shaft of the driving motor extends into the "concave-shaped" installation frame and is fixedly connected to the threaded rod, an internally threaded slider is threadedly sleeved on the threaded rod, and the side of the internally threaded slider close to the sealing door body is fixedly connected to the sealing door body, and two protective outer doors are hingedly installed on the outer side of the wall, and the two protective outer doors are adapted to the square door opening; A base is installed on the bottom inner wall of the square door opening to prevent water from penetrating deeply.
2. The multifunctional sealed door for grain depot according to claim 1 is characterized in that: A positioning block and a rectangular block are fixedly installed on the corresponding two short door panels respectively, the rectangular block is provided with an L-shaped slide groove, an L-shaped insertion rod is slidably installed in the L-shaped slide groove, and a circular slide hole is provided on the positioning block, one end of the L-shaped insertion rod passes through the circular slide hole and is slidably connected to the circular slide hole.
3. The multifunctional sealed door for grain depot according to claim 1 is characterized in that: The short door panel is provided with a grain placing opening, and a square grain placing plate is slidably mounted on the outer side of the short door panel, and the grain placing opening and the square grain placing plate are matched with each other.
4. The multifunctional sealed door for grain depot according to claim 3 is characterized by: A "U-shaped" limit frame is fixedly installed on the outer wall of the short door panel, a limit slot is provided on the "U-shaped" limit frame, the square grain placing plate is matched with the limit slot, and a pull block is fixedly installed on one side of the square grain placing plate.
5. The multifunctional sealed door for grain depot according to claim 1 is characterized in that: The "U-shaped" sealing frame is provided with two sealing grooves, and two first sealing strips are fixedly mounted on the sealing door body, and the sealing grooves and the first sealing strips are connected in a sliding sealing manner.
6. The multifunctional sealed door for grain depot according to claim 1 is characterized in that: The protective outer doors are provided with slots, and a second sealing strip is fixedly mounted on one of the protective outer doors, and the slots are matched with the second sealing strip.
7. The multifunctional sealed door for grain depot according to claim 1 is characterized in that: A through groove is provided on the top inner wall of the square door opening, and the sealing door body passes through the through groove and is slidably connected with the through groove.
8. The multifunctional sealed door for grain depot according to claim 1 is characterized by: The first installation groove is blocked by a shielding plate, and the shielding plate is positioned in the first installation groove by a positioning mechanism.
9. The multifunctional sealed door for grain depot according to claim 8, characterized in that: The positioning mechanism includes two embedded mounting grooves provided on the shielding plate, an embedded telescopic spring is fixedly installed on the inner wall of one side of the embedded mounting groove, an embedded follower block is fixedly installed on one end of the embedded telescopic spring, a square sliding hole is provided on the bottom inner wall of the embedded mounting groove, a follower rod is slidably installed in the square sliding hole, the top end of the follower rod extends into the corresponding embedded mounting groove and is fixedly connected to the embedded follower block, and an anti-slip handle is fixedly installed on the bottom end of the follower rod.