CN218971857U - Synchronous self-locking airtight gate for granary - Google Patents
Synchronous self-locking airtight gate for granary Download PDFInfo
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- CN218971857U CN218971857U CN202223128424.5U CN202223128424U CN218971857U CN 218971857 U CN218971857 U CN 218971857U CN 202223128424 U CN202223128424 U CN 202223128424U CN 218971857 U CN218971857 U CN 218971857U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/51—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for storing agricultural or horticultural products
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Abstract
The utility model discloses a synchronous self-locking airtight gate of a granary, which comprises a shell, a gate plate, a sealing strip seat, a gear rack longitudinal pushing mechanism for pushing the sealing strip and a worm gear and worm transmission mechanism for driving the gear rack longitudinal pushing mechanism; the rack and pinion longitudinal pushing mechanism comprises two transverse transmission shafts arranged on the front side and the rear side of the sealing strip seat, sealing gears arranged on the corresponding transmission shafts, and sealing racks arranged on the front side and the rear outer side of the sealing strip seat; the sealing gear is meshed with the corresponding sealing rack and can drive the sealing strip seat to move up and down; the worm and gear transmission mechanism comprises a transmission box arranged on the outer side of the shell, a longitudinal worm arranged in the transmission box, and a sealing hand wheel arranged at the front end of the worm penetrating out of the transmission box; one end of each of the two transmission shafts extends into the transmission box, worm wheels are respectively arranged on the two transmission shafts, the worm is meshed with the two worm wheels, and the sealing gears can be driven to rotate. Convenient operation can lock the sealing strip, keeps high gas tightness for a long time.
Description
Technical Field
The utility model relates to an airtight gate, in particular to a synchronous self-locking airtight gate for a granary, and belongs to the technical field of storage equipment such as granaries.
Background
At present, a large grain bin is provided with a grain inlet and a grain outlet, the grain inlet is arranged at the top of the grain bin, the grain outlet is arranged at the bottom and the side wall, and the grain inlet and the grain outlet are provided with airtight gates for controlling the airtight of grain inlet and outlet and grain fumigation. When the grain is fed, the airtight gate of the grain outlet is closed, and the airtight gate of the grain inlet is opened. When the grain is discharged, the grain outlet air seal gate on the lower part or the side wall of the granary is opened according to the situation. When the grain is fumigated, the airtight gate of the grain inlet and outlet is completely closed, and fumigating gas is pumped into the fumigating port arranged at the lower part of the granary, so that the fumigating purpose is achieved.
The general airtight gate mainly uses the rotating eccentric wheel to press the sealing strip seat tightly to realize the sealing effect, and the general airtight gate has the technical problems of poor airtight performance, inconvenient operation, non-durable airtight performance and the like. Later, the utility model patent air tightness manual gate (patent number: ZL 201120031246.7) is improved, and a manual gear rack longitudinal pushing mechanism is adopted to drive a sealing strip to realize sealing, but the technical problem of inconvenient operation still exists, and specifically:
1. and when the sealing operation is carried out every time, the sealing handles are required to be manually rotated at the two sides of the shell in sequence, so that sealing strips at the two sides of the shell are tightly attached to the flashboard one by one, the process is tedious, and the labor is wasted.
2. Because the meshing between the gear and the rack has no self-locking function, under the action of the gravity of the sealed handle and the tension of the sealing strip, the phenomenon of micro reverse rotation of the gear easily occurs, and the force for extruding the sealing strip is not in place.
3. The sealing handle has the angle limitation when rotating, so that the sealing rack is limited to move downwards, and the sealing strip is easy to deform after being repeatedly extruded, so that the expected sealing effect is often not achieved.
Accordingly, there is a need to improve upon the above shortcomings to provide an airtight gate that is more adaptable to market demands.
Disclosure of Invention
Aiming at the existing technical problems, the utility model provides a synchronous self-locking airtight gate for a granary, which is convenient to operate and can lock sealing strips and maintain high air tightness for a long time.
In order to achieve the aim, the utility model provides a granary synchronous self-locking airtight gate, which comprises a shell, a gate plate, a sealing strip seat and a gear rack flat pushing mechanism for pushing the gate plate; one side of the shell is provided with a grain inlet, and the other side is provided with a flashboard yielding cavity; a flashboard is arranged below the grain inlet and is arranged on a row of longitudinal riding wheels; the periphery of the grain inlet is surrounded by a sealing strip, and the top surface of the sealing strip is provided with a sealing strip seat;
the sealing device also comprises a gear rack longitudinal pushing mechanism for pushing the sealing strips and a worm gear and worm transmission mechanism for driving the gear rack longitudinal pushing mechanism;
the rack and pinion longitudinal pushing mechanism comprises two transverse transmission shafts arranged on the front side and the rear side of the sealing strip seat, sealing gears arranged on the corresponding transmission shafts, and sealing racks arranged on the front side and the rear outer side of the sealing strip seat; the sealing gear is meshed with the corresponding sealing rack and can drive the sealing strip seat to move up and down;
the worm and gear transmission mechanism comprises a transmission case arranged on the outer side of the shell, a longitudinal worm arranged in the transmission case, and a sealing hand wheel arranged at the front end of the worm penetrating out of the transmission case; one end of each of the two transmission shafts extends into the transmission box, worm wheels are respectively arranged on the two transmission shafts, the worm is meshed with the two worm wheels, and the sealing gears can be driven to rotate.
In the utility model, the worm adopts a double-screw structure, and the screw directions of the front section and the rear section are opposite.
In the utility model, at least two sealing gears are arranged on the transmission shaft, and sealing racks corresponding to the sealing gears are arranged on the sealing strip seat.
In the technical scheme, the sealing gears and the sealing racks are in one-to-one correspondence and are matched with each other. The increased quantity is used for conveniently increasing the force applied to the sealing strip seat through the sealing rack, improving the sealing control capability and enhancing the air tightness of the gate.
The utility model further provides a gear rack flat pushing mechanism, which comprises a longitudinal rotating shaft arranged at one side of a flashboard yielding cavity, a flashboard gear arranged on the rotating shaft, and a transverse flashboard rack arranged at the bottom surface of the flashboard; the front end of the rotating shaft penetrates out of the shell and is provided with a flashboard hand wheel; the flashboard gear is meshed with the flashboard rack and can drive the flashboard to move left and right.
The sealing strip is hollow, and has excellent performances such as good elasticity, compression deformation resistance and the like.
The sealing strip is an ethylene propylene diene monomer sealing strip. The ethylene-propylene-diene monomer sealing strip, namely an ethylene-propylene-diene monomer (EPDM) adhesive strip, is formed at one step by adopting a microwave vulcanization process, has bright and beautiful surface, and has excellent performances of weather aging resistance, ozone resistance, chemical resistance, fireproof performance, wider use temperature range (-50 ℃ to +150 ℃), and the like.
Compared with the prior art, the utility model has the advantages that:
1. synchronicity: the sealing racks can be driven to rotate simultaneously by one-time operation, so that the sealing racks can be used for synchronously driving the sealing strips to be clung to the flashboard, the opening and closing operation of the gate is convenient, the labor force required by the operation of workers is reduced, and the operation is convenient, quick and efficient.
2. Self-locking: the worm and the worm wheel are inherently meshed, so that self-locking can be realized, the phenomenon of micro reverse rotation of the gear is avoided, the sealing strip can be locked, and the gas is prevented from leaking in a long-time sealing state.
3. The adjustability: the sealing force can be automatically controlled by operating the sealing hand wheel and the flashboard hand wheel, the operation is convenient, the air tightness is high, and the use is convenient.
Drawings
FIG. 1 is a front elevational view of the structure of the present utility model;
FIG. 2 is a top plan view of the structure of the present utility model;
FIG. 3 is a right side view of the structure of the present utility model;
in the figure: 1. the grain feeding device comprises a shell, 2, a grain feeding port, 3, a flashboard, 4, sealing strips, 5, a sealing strip seat, 6, a gear rack longitudinal pushing mechanism, 7, a transmission case, 8, a worm gear and worm transmission mechanism, 9, a worm, 10, a sealing hand wheel, 11, a worm wheel, 12, a riding wheel, 13, a gear rack horizontal pushing mechanism, 14, a transmission shaft, 15, a sealing gear, 16, a sealing rack, 17, a rotating shaft, 18, a flashboard hand wheel, 19, a flashboard gear, 20 and a flashboard rack.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-3, the utility model comprises a shell 1, a flashboard 3, a sealing strip 4, a sealing strip seat 5, a gear rack flat pushing mechanism 13 for pushing the flashboard 3, a gear rack longitudinal pushing mechanism 6 for pushing the sealing strip seat 5, and a worm gear and worm transmission mechanism 8 for driving the gear rack longitudinal pushing mechanism 6, which are specifically described as follows.
As shown in fig. 1, one side of the shell 1 is provided with a grain inlet 2, and the grain inlet 2 is communicated with a granary; the other side is provided with a flashboard yielding cavity, so that a sufficient space is reserved for the opening and closing movement of the flashboard 3.
As shown in fig. 1, the inside of the shell 1 is positioned below the grain inlet 2, a row of longitudinal riding wheels 12 are arranged, the riding wheels 12 are provided with flashboards 3, and the bottom surface of the flashboard 3 is provided with a transverse flashboard rack 20. Wherein, flashboard 3 is used for realizing opening and shutting to grain inlet 2, and riding wheel 12 is used for supporting flashboard 3's bottom surface to open and shut to flashboard 3 and play the guide effect, simultaneously, riding wheel 12 is rolling friction with flashboard 3 bottom surface, has reduced the frictional force that flashboard 3 opened and shut, the operation of opening and shutting of flashboard 3 of being convenient for.
As shown in fig. 1 and 2, the gear rack flat pushing mechanism 13 includes a rotating shaft 17, a gate hand wheel 18, a gate gear 19, and a gate rack 20. The rotary shaft 17 is longitudinally and fixedly arranged on one side of the flashboard yielding cavity, a flashboard gear 19 is arranged in the middle of the rotary shaft, the front end of the rotary shaft penetrates out of the front side surface of the shell 1, and a flashboard hand wheel 18 is arranged. And, the flashboard gear 19 meshes with the flashboard rack 20, through rotating the flashboard hand wheel 18, the rotating shaft 17 and the flashboard gear 19 can be driven to rotate together, and then the flashboard 3 is driven to move left and right through the flashboard rack 20, so that the opening and closing operation of the flashboard 3 is completed.
As shown in fig. 1, 2 and 3, a sealing strip 4 is arranged in the shell 1 around the grain inlet 2, and a sealing strip seat 5 is arranged on the top surface of the sealing strip 4. When the flashboard 3 is closed, the gear and rack longitudinal pushing mechanism 6 is driven by the worm and gear transmission mechanism 8, so that the gear and rack longitudinal pushing mechanism 6 drives the sealing strip 4 to be pressed onto the flashboard 3, a gap between the flashboard 3 and the grain inlet 2 is blocked, and the high air tightness of the gate is ensured.
In other embodiments of the present utility model, the sealing strip 4 is hollow, and has excellent performances such as good elasticity and compression deformation resistance. In specific implementation, the sealing strip 4 is preferably an ethylene propylene diene monomer sealing strip, and has excellent performances such as weather resistance, ozone resistance, chemical resistance, fireproof performance, wide use temperature range and the like.
As shown in fig. 2 and 3, the rack and pinion longitudinal pushing mechanism 6 includes two transmission shafts 14, a plurality of seal gears 15, and a plurality of seal racks 16. Wherein, two transmission shafts 14 are respectively transversely arranged at the front side and the rear side of the sealing strip seat 5.
In other embodiments of the present utility model, at least two seal gears 15 are installed on each transmission shaft 14, at least two seal racks 16 are installed on the front and rear outer sides of the seal strip seat 5, and the number and positions of the seal gears 15 and the seal racks 16 are in one-to-one correspondence and meshed with each other. When the sealing gear 15 rotates, the sealing rack 16 can be driven to move up and down, so that the sealing strip seat 5 provided with the sealing rack 16 is driven to move up and down, and the lower part of the sealing strip seat 5 is driven to move up and down.
As shown in fig. 2, the worm and gear transmission mechanism 8 comprises a transmission case 7, a worm 9, a sealing hand wheel 10 and a worm wheel 11. Wherein, the transmission case 7 is installed on the lateral surface of one side of the shell 1, the worm 9 is longitudinally installed in the transmission case 7, and the front end of the worm is penetrated out of the transmission case 7 and is provided with a sealing hand wheel 10. In the implementation of the present utility model, the worm 9 adopts a double-screw structure, and the screw directions of the front section and the rear section are opposite, for example, the front section is a left-handed screw, and the rear section is a right-handed screw.
As shown in fig. 1 and 2, the left ends of two transmission shafts 14 of the rack-and-pinion longitudinal pushing mechanism 6 extend into the transmission case 7, and are respectively provided with a worm wheel 11, and the two worm wheels 11 are respectively meshed with the front section and the rear section of the worm 9. When the sealing hand wheel 10 rotates, the worm 9 can be driven to rotate, so that the two worm gears 11 are driven to rotate, and the movement of the rack-and-pinion longitudinal pushing mechanism 6 is controlled, so that the purpose of driving the lower part of the sealing strip seat 5 to move up and down through the rotation of the sealing gear 15 is achieved.
When the granary needs airtight fumigation, the working process of the utility model is as follows:
first, as shown in fig. 1 and 2, the shutter hand wheel 18 is rotated in the forward direction, thereby rotating the rotary shaft 17 connected thereto, and further rotating the shutter gear 19 mounted on the rotary shaft 17. Because the flashboard rack 20 meshed with the flashboard gear 19 is arranged on the bottom surface of the flashboard 3, and the position of the rotating shaft 17 is unchanged, when the flashboard gear 19 rotates in situ, the flashboard rack 20 is driven to move leftwards, and the gate 2 is driven by the flashboard rack 20 to move leftwards along the riding wheel 12 until the grain inlet 2 is completely closed, so that the closing of the gate 2 is completed. Similarly, the gate hand wheel 18 is reversely rotated, so that the gate 2 can be driven by the gate rack 20 to move rightward along the riding wheel 12 until the grain inlet 2 is completely opened, and the opening and closing of the gate 2 are completed.
Secondly, the sealing hand wheel 10 is rotated in the forward direction, so that the worm 9 connected with the sealing hand wheel is driven to rotate, and then the two worm gears 11 meshed with the worm 9 are driven to rotate together, and the rotation directions of the two worm gears 11 are opposite; at the same time, the worm wheel 11 drives the two transmission shafts 14 and the sealing gears 15 mounted on the transmission shafts 14 to rotate together, and the rotation directions of the two sealing gears 15 are opposite. For example, as shown in fig. 3, the left sealing gear 15 rotates clockwise, the right sealing gear 15 rotates anticlockwise, because the sealing strip 4 is installed on the bottom surface of the sealing strip seat 5, the sealing rack 16 is installed on the outer side surface, and the position of the transmission shaft 14 is fixed, when the sealing gear 15 rotates in place, the sealing rack 16 is driven to move downwards, so that the sealing strip seat 5 connected with the sealing rack 16 is driven to move downwards, and then the sealing strip 4 installed on the bottom surface of the sealing strip seat 5 is driven to move downwards until the sealing strip 4 is tightly attached to the flashboard 2, and sealing of the grain inlet 2 is completed.
In conclusion, the self-locking can be realized by the inherent meshing mode of the worm 9 and the worm wheel 11, and the phenomenon of micro reverse rotation of the gear can not occur, so the force of the sealing rack 16 for extruding the sealing strip 4 can not be loosened. And the screw threads with opposite rotation directions of the front section and the rear section of the worm 9 are respectively meshed with the two worm gears 11, so that the sealing gears 15 on the front side and the rear side of the sealing strip seat 5 can be driven to rotate in opposite directions simultaneously, and therefore, when sealing is performed each time, the sealing handles do not need to be manually rotated in sequence on the two sides of the shell 1, all the sealing gears 15 can be simultaneously rotated by one operation, and each sealing rack 16 synchronously drives the sealing strip 4 to be clung to the flashboard 2, so that the sealing operation becomes more convenient, efficient and labor-saving.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (6)
1. The synchronous self-locking airtight gate for granary includes one casing, one gate board, one sealing strip seat and one gear rack pushing mechanism for pushing the gate board; one side of the shell is provided with a grain inlet, and the other side is provided with a flashboard yielding cavity; a flashboard is arranged below the grain inlet and is arranged on a row of longitudinal riding wheels; the periphery of the grain inlet is surrounded by a sealing strip, and the top surface of the sealing strip is provided with a sealing strip seat;
the sealing device is characterized by further comprising a gear-rack longitudinal pushing mechanism for pushing the sealing strips and a worm gear transmission mechanism for driving the gear-rack longitudinal pushing mechanism;
the rack and pinion longitudinal pushing mechanism comprises two transverse transmission shafts arranged on the front side and the rear side of the sealing strip seat, sealing gears arranged on the corresponding transmission shafts, and sealing racks arranged on the front side and the rear outer side of the sealing strip seat; the sealing gear is meshed with the corresponding sealing rack and can drive the sealing strip seat to move up and down;
the worm and gear transmission mechanism comprises a transmission case arranged on the outer side of the shell, a longitudinal worm arranged in the transmission case, and a sealing hand wheel arranged at the front end of the worm penetrating out of the transmission case; one end of each of the two transmission shafts extends into the transmission box, worm wheels are respectively arranged on the two transmission shafts, the worm is meshed with the two worm wheels, and the sealing gears can be driven to rotate.
2. The synchronous self-locking airtight gate for barn according to claim 1 or, wherein the worm adopts a double-screw structure, and the screw directions of the front section and the rear section are opposite.
3. The synchronous self-locking airtight gate for the granary of claim 1 or claim 1, wherein at least two sealing gears are arranged on the transmission shaft, and sealing racks corresponding to the sealing gears are arranged on the sealing strip seat.
4. A synchronous self-locking airtight gate for barn according to claim 1, 2 or 3, wherein the gear rack pushing mechanism comprises a longitudinal rotating shaft installed at one side of the gate back-off cavity, a gate gear installed on the rotating shaft, and a transverse gate rack installed at the bottom surface of the gate; the front end of the rotating shaft penetrates out of the shell and is provided with a flashboard hand wheel; the flashboard gear is meshed with the flashboard rack and can drive the flashboard to move left and right.
5. A synchronous self-locking airtight gate for barn according to claim 1, 2 or 3, wherein the sealing strip is hollow.
6. The synchronous self-locking airtight gate for the granary of claim 5, wherein the sealing strip is an ethylene propylene diene monomer sealing strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223128424.5U CN218971857U (en) | 2022-11-24 | 2022-11-24 | Synchronous self-locking airtight gate for granary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223128424.5U CN218971857U (en) | 2022-11-24 | 2022-11-24 | Synchronous self-locking airtight gate for granary |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218971857U true CN218971857U (en) | 2023-05-05 |
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ID=86166259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223128424.5U Active CN218971857U (en) | 2022-11-24 | 2022-11-24 | Synchronous self-locking airtight gate for granary |
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| Country | Link |
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| CN (1) | CN218971857U (en) |
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2022
- 2022-11-24 CN CN202223128424.5U patent/CN218971857U/en active Active
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