Adjustable grain inlet expansion joint convenient for fumigation
By designing an adjustable grain inlet expansion joint, the problems of gas isolation inside and outside the grain warehouse and compatibility of grain transportation were solved, achieving sealing during the fumigation process and smooth transportation during the non-fumigation process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-03-20
AI Technical Summary
Existing grain silos suffer from severe automatic grading during grain storage, resulting in poor local air permeability and thermal conductivity, which affects ventilation, cooling, and fumigation effects. Furthermore, the grain inlet joints are prone to air leakage.
An adjustable grain inlet expansion joint was designed to facilitate fumigation. It is connected to the flange of the feeding pipe through the inner sleeve. Combined with the design of the membrane and pressure plate, it can achieve adjustable sealing of the gas inside and outside the grain silo, ensuring the airtightness during fumigation and maintaining smooth grain transportation when not fumigating.
It effectively prevents gas leakage during fumigation, ensures gas isolation inside and outside the grain warehouse, improves the fumigation effect, and maintains smooth grain transportation when not fumigating.
Smart Images
Figure CN224014884U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the telescopic interface technical field of granary, concretely is adjustable grain inlet telescopic joint convenient to fumigation. BACKGROUND
[0002] With the social progress, the scale of the grain warehouse built now is bigger and bigger, and the granular layer is thicker and thicker. The mechanical grain feeding mode of the fixed point of the center of the cylinder type warehouse and the moving point of the flat warehouse has the defects that the automatic classification phenomenon is serious in the grain feeding process of the shallow circular warehouse, the local air permeability and thermal conductivity are very poor, the effects of ventilation and cooling, fumigation of medicament, nitrogen storage and the like are reduced, and the quality of the grain is seriously affected; the granary is equipment for storing grain, the top of the granary is provided with a through opening, an inlet pipe is arranged above the through opening, and a joint is arranged between the inlet pipe and the through opening, but the joint at the jointing position is prone to air leakage after being exposed to the sun and rain for a long time during long-term use. SUMMARY
[0003] In view of the defects in the prior art, the utility model aims at providing an adjustable grain inlet telescopic joint convenient to fumigation to solve the problems mentioned in the background.
[0004] To solve the above technical problems, the utility model provides the following technical scheme.
[0005] The utility model provides an adjustable grain inlet telescopic joint convenient to fumigation, the upper surface of the granary is provided with a through opening, the mouth of the feeding pipe is located directly above the through opening, the outlet of the feeding pipe is provided with a third flange plate, and the utility model relates to a feeding hopper, a track ring, a pressing plate and a film.
[0006] The inlet of the inner sleeve is located directly below the outlet of the feeding pipe, the upper end portion periphery of the inner sleeve is provided with a second flange plate, and the second flange plate and the third flange plate are vertically aligned.
[0007] The track ring is installed around the through opening of the granary through bolts, the track ring is located around the feeding hopper, the upper surface of the track ring is provided with a track groove, the pressing plate covers the track ring, the lower surface of the pressing plate is provided with a protruding block, and the protruding block is clamped in the track groove.
[0008] The film is laid flat, the middle position of the film is located at the upper end portion of the inner sleeve, the four edges of the film are located on the track ring, and the pressing plate presses the four edges of the film.
[0009] Preferably, the large mouth of the feeding hopper faces downward, the small mouth of the feeding hopper faces upward, and the inner sleeve is slidingly installed at the small mouth position of the feeding hopper.
[0010] Preferably, a plurality of mounting blocks are arranged around the track ring, and a pin hole penetrating through the mounting blocks is arranged on the mounting blocks.
[0011] Preferably, a center point of the track ring is aligned with a center point of a large opening of the feeding hopper.
[0012] Preferably, a first flange plate is arranged around the lower surface of the large opening of the feeding hopper.
[0013] Preferably, a plurality of pin holes are arranged on the upper surface of the first flange plate.
[0014] Preferably, the width and thickness of the protruding block are consistent with the width and depth of the track groove.
[0015] Compared with the prior art, the utility model has the following beneficial effects:
[0016] The feeding hopper and the track ring are both installed at the inlet position of the top surface of the granary through bolts, the inner wall of the feeding hopper is slidably provided with an inner sleeve, the inner sleeve can slide up and down in the interior of the feeding hopper, the outlet of the feeding pipe of the granary is located directly above the inner sleeve, the mouth of the feeding pipe is provided with a third flange plate, the mouth of the inner sleeve is provided with a second flange plate, and the third flange plate and the second flange plate can be connected through bolts, so that the feeding pipe and the inner sleeve are connected together.
[0017] When fumigating the grain, the inner sleeve is separated from the feeding pipe, the inner sleeve is completely located in the interior of the feeding hopper, the second flange plate is just located at the inlet position of the feeding hopper at this time, the film is spread, the film is laid flat on the mouth of the inner sleeve, the four edges of the film are laid flat above the track ring, the pressing plate is used to press the four edges of the film, the protruding block on the lower surface of the pressing plate just enters the track groove at this time, and the film is firmly pressed, so that the covering effect of the film on the mouth of the inner sleeve is better; in this way, when fumigating the interior of the granary, the gas cannot overflow from the mouth of the inner sleeve.
[0018] When the grain is not fumigated and the grain is sent into the granary daily, the film is removed, the inner sleeve is slid upward, and the second flange plate and the third flange plate are connected together through bolts, so that the outlet of the feeding pipe and the inlet of the inner sleeve are integrated, the grain in the feeding pipe can smoothly pass through the inner sleeve, enter the feeding hopper, and then enter the granary below. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a whole perspective view of the utility model;
[0020] Figure 2 It is a perspective view of the inner sleeve and the feeding pipe of the utility model;
[0021] Figure 3 It is a perspective view when the film is laid flat.
[0022] Figure 4 It is the perspective view of the convex block of the utility model;
[0023] Figure 5 It is the scene schematic view of the utility model.
[0024] In the figure: 1, feed hopper; 11, first flange plate; 12, inner sleeve; 13, second flange plate; 2, track ring; 21, track groove; 22, mounting block; 24, pressing plate; 25, convex block; 26, film; 3, feeding pipe; 31, third flange plate. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0026] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0027] As Figures 1-5 shown, a adjustable grain inlet telescopic joint convenient for fumigation, the upper surface of the grain depot is provided with a through port, the mouth of the feeding pipe 3 is located directly above the through port, the outlet of the feeding pipe 3 is provided with a third flange plate 31, comprising a feed hopper 1, a track ring 2, a pressing plate 24 and a film 26, the lower end of the feed hopper 1 is provided with a first flange plate 11 around the port, the first flange plate 11 is installed around the through port, the inner sleeve 12 is slidably arranged inside the feed hopper 1, so that the inner sleeve 12 can move up and down;
[0028] The inlet of the inner sleeve 12 is located directly below the outlet of the feeding pipe 3, the upper end of the inner sleeve 12 is provided with a second flange plate 13 around the port, the second flange plate 13 and the third flange plate 31 are aligned vertically;
[0029] The track ring 2 is installed around the through port of the grain depot by bolts, the track ring 2 is located around the feed hopper 1, the upper surface of the track ring 2 is provided with a track groove 21, the pressing plate 24 covers the track ring 2, the lower surface of the pressing plate 24 is provided with a convex block 25, and the convex block 25 is clamped in the track groove 21;
[0030] The film 26 is spread out, the middle of the film 26 is located at the upper end of the inner sleeve 12, the four edges of the film 26 are located on the track ring 2, and the pressing plate 24 presses the four edges of the film 26.
[0031] The large opening of the feeding hopper 1 faces downward, the small opening of the feeding hopper 1 faces upward, and the inner sleeve 12 is slidingly installed at the position of the small opening of the feeding hopper 1.
[0032] The track ring 2 is provided with a plurality of mounting blocks 22, and the mounting blocks 22 are provided with pin holes penetrating the mounting blocks 22.
[0033] The center point of the track ring 2 is aligned with the center point of the large opening of the feeding hopper 1.
[0034] The lower surface of the feeding hopper 1 is provided with a first flange plate 11 around the large opening.
[0035] The upper surface of the first flange plate 11 is provided with a plurality of pin holes.
[0036] The width and thickness of the protruding block 25 are consistent with the width and depth of the track groove 21.
[0037] In summary: the feeding hopper 1 and the track ring 2 are both installed at the inlet position of the top surface of the granary by bolts, the track ring can be firmly fixed around the top opening of the granary by bolts passing through the mounting blocks 22, the inner wall of the feeding hopper 1 is slidingly provided with the inner sleeve 12, the inner sleeve 12 can slide up and down inside the feeding hopper 1, the outlet of the feeding pipe 3 of the granary is located directly above the inner sleeve 12, the mouth of the feeding pipe 3 is provided with a third flange plate 31, the mouth of the inner sleeve 12 is provided with a second flange plate 13, and the third flange plate 31 and the second flange plate 13 can be connected by bolts, so that the feeding pipe 3 and the inner sleeve 12 are connected together.
[0038] When fumigating the grain, the inner sleeve 12 is away from the feeding pipe 3, the inner sleeve 12 is completely located inside the feeding hopper 1, and the second flange plate 13 is located at the inlet position of the feeding hopper 1 at this time; the film 26 is spread out, the film 26 is laid flat on the mouth of the inner sleeve 12, and the four edges of the film 26 are laid flat above the track ring 2, the four edges of the film 26 are pressed using the pressing plate 24, at this time the protruding block 25 on the lower surface of the pressing plate 24 just enters the track groove 21, and the film 26 is firmly pressed, so that the covering effect of the film 26 on the mouth of the inner sleeve 12 is good; in this way, when fumigating the granary, gas will not overflow from the mouth of the inner sleeve 12;
[0039] When not fumigating the grain and daily feeding the grain into the granary, the film 26 is removed, the inner sleeve 12 is slid upward, and the second flange plate 13 and the third flange plate 31 are connected together by bolts, so that the outlet of the feeding pipe 3 and the inlet of the inner sleeve 12 are connected as a whole, the grain in the feeding pipe 3 can smoothly pass through the inner sleeve 12, enter the feeding hopper 1, and then enter the granary below.
[0040] The above is the preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. An adjustable grain inlet expansion joint for easy fumigation, wherein the upper surface of the grain silo is provided with an opening, the inlet of the feeding pipe (3) is located directly above the opening, and the outlet of the feeding pipe (3) is provided with a third flange (31), characterized in that: It includes a feed hopper (1), a track ring (2), a pressure plate (24) and a film (26). A first flange (11) is provided around the lower port of the feed hopper (1). The first flange (11) is installed around the opening. An inner sleeve (12) is provided inside the feed hopper (1) and slides up and down. The inlet of the inner sleeve (12) is located directly below the outlet of the feed pipe (3). A second flange (13) is provided around the upper port of the inner sleeve (12). The second flange (13) and the third flange (31) are aligned vertically. The track ring (2) is installed around the grain bin opening by bolts. The track ring (2) is located on the periphery of the feed hopper (1). The upper surface of the track ring (2) is provided with a track groove (21). The pressure plate (24) covers the track ring (2). The lower surface of the pressure plate (24) is provided with a protrusion (25). The protrusion (25) is stuck in the track groove (21). The film (26) is laid flat, with the middle position of the film (26) located at the upper end of the inner sleeve (12), and the four sides of the film (26) located on the track ring (2), with the pressure plate (24) pressing the four sides of the film (26).
2. The adjustable grain inlet expansion joint for easy fumigation as described in claim 1, characterized in that: The large opening of the feed hopper (1) faces downwards, the small opening of the feed hopper (1) faces upwards, and the inner sleeve (12) is slidably installed at the small opening position of the feed hopper (1).
3. The adjustable grain inlet expansion joint for easy fumigation as described in claim 1, characterized in that: The track ring (2) is provided with a plurality of mounting blocks (22) around its perimeter, and the mounting blocks (22) are provided with pin holes that penetrate the mounting blocks (22).
4. The adjustable grain inlet expansion joint for easy fumigation as described in claim 1, characterized in that: The center point of the track ring (2) is aligned with the center point of the large opening of the feed hopper (1).
5. The adjustable grain inlet expansion joint for easy fumigation as described in claim 1, characterized in that: A first flange (11) is provided around the large opening on the lower surface of the feed hopper (1).
6. The adjustable grain inlet expansion joint for easy fumigation as described in claim 5, characterized in that: The upper surface of the first flange (11) is provided with a plurality of pin holes.
7. The adjustable grain inlet expansion joint for easy fumigation as described in claim 1, characterized in that: The width and thickness of the protrusion (25) are consistent with the width and depth of the track groove (21).