Insect-proof net structure for ventilation opening of squat silo of grain depot

Abstract

The utility model discloses a grain depot squat silo ventilation opening insect-proof net structure which comprises an annular support. A fine metal net is arranged on the inner side of the annular support, and the metal net is densely distributed in the whole inner side space of the annular support. An elastic ring is arranged on the outer side of the annular support, and the elastic ring is installed on the outer side of the annular support in a sleeving mode and is in tight fit with the inner wall of the ventilation opening. The inner side wall of the annular support is further provided with a plurality of adjusting bolts, the adjusting bolts are in threaded connection with the annular support, and the elastic ring is fixed to the inner wall of the ventilation opening in a pressing and covering mode along with screwing of the adjusting bolts. When the insect-proof net structure is adopted, the insect-proof net can be attached and fixed to the inner wall of the ventilation opening all the time under the compensation of the elastic ring and the adjustment of the adjusting bolt no matter the ventilation opening of the ventilation pipeline expands outwards or sinks inwards in the using process all the year round. Therefore, insects or birds are effectively prevented from entering the granary through the gaps.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of insect screen device, especially relates to a grain depot shallow round warehouse ventilation opening insect screen structure. BACKGROUND

[0002] For the grain depot of storing bulk grain, the reasonable setting ventilation opening can adjust the temperature in the warehouse, usually the wall of the grain depot extends the vertical downward ventilation pipeline, and is provided with the axial flow fan at the ventilation opening, realizes the mechanical ventilation of the airflow in the warehouse through the axial flow fan, thereby realizes the adjustment of the temperature in the warehouse.

[0003] Generally speaking, the ventilation pipeline has two states, the first state is the heat preservation or dosing stage of the grain depot, needs to close the ventilation opening, the second state is the temperature adjustment or ventilation stage of the grain depot, needs to install the insect screen at the ventilation opening, avoids the entry of insects or birds under the condition of not affecting the ventilation.

[0004] The existing insect screen is mostly metal structure, which is adapted with the ventilation opening of the ventilation pipeline, but with the use of the ventilation pipeline for years, the ventilation opening will inevitably appear the rust or impact deformation, under this condition, the existing insect screen is difficult to closely cooperate with the ventilation opening, which will lead to the entry of insects or birds into the grain depot through the gap. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a grain depot shallow round warehouse ventilation opening insect screen structure to solve the problem that the existing ventilation pipeline appears deformation and is difficult to closely cooperate with the insect screen for years, thereby losing the insect prevention function.

[0006] In order to solve the above technical problem, the utility model provides a grain depot shallow round warehouse ventilation opening insect screen structure, which is embedded and installed at the ventilation opening of the ventilation pipeline, including annular support,

[0007] The inner side of the annular support is fine metal screen, and the metal screen densely covers the entire inner side space of the annular support,

[0008] The outer side of the annular support is provided with elastic ring, the elastic ring is sleeved and installed on the outer side of the annular support, and is closely matched with the inner wall of the ventilation opening,

[0009] A plurality of adjusting bolts are further arranged on the inner wall of the annular support, the adjusting bolts are threadedly connected with the annular support, and the elastic ring is pressed and fixed on the inner wall of the ventilation opening by screwing the adjusting bolts.

[0010] Preferably, the metal mesh is arranged on one side of the annular support close to the deep side of the ventilation opening, and the adjusting screw is located in the middle of the side wall of the annular support, and when the insect screen is installed in the ventilation opening, the adjusting screw can still be screwed from the outside.

[0011] Preferably, the adjusting screw is provided with four groups, which are uniformly distributed around the central axis of the annular support.

[0012] Preferably, four nuts are arranged on the inner side wall of the annular support, so that the four groups of adjusting screws are respectively threadedly connected with the corresponding nuts, and each group of adjusting screws can pass through the side wall of the annular support to press the elastic ring.

[0013] Preferably, the adjusting screw comprises a screw rod, a screw head and a screw ring, one end of the screw head is connected with the screw rod, the other end is connected with the screw ring, and by rotating the screw ring, the screw rod part moves along the center line axis, so that the elastic ring is pressed and fixed to the inner wall of the ventilation opening.

[0014] Preferably, the screw ring is elliptical and movably connected with the screw head.

[0015] Preferably, the elastic ring is a rubber ring and is tightly fitted on the outside of the annular support.

[0016] Preferably, a plurality of extension regions are arranged on the side of the elastic ring close to the annular support, and the plurality of extension regions are arranged alternately with the adjusting screws.

[0017] Preferably, the extension region is a plurality of stress grooves arranged on the elastic ring, so that the elastic ring can expand outward or contract inward in the diameter direction under the action of external force.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] When the ventilation opening of the ventilation duct expands outward or contracts inward in the process of use for years, the insect screen can be always fixed to the inner wall of the ventilation opening through the compensation of the elastic ring and the adjustment of the adjusting screw, so that the insects or birds can be effectively prevented from entering the granary through the gap. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the installation schematic view of the insect screen at the ventilation opening of the granary shallow round warehouse provided by the utility model;

[0021] Figure 2 is the bottom view of the insect screen at the ventilation opening of the granary shallow round warehouse provided by the utility model;

[0022] Figure 3It is the structural schematic view of the insect screen of the grain depot shallow round warehouse ventilation opening provided in the utility model;

[0023] Figure 4 It is the front view of the insect screen of the grain depot shallow round warehouse ventilation opening provided in the utility model;

[0024] Figure 5 It is the partial sectional view of the insect screen of the grain depot shallow round warehouse ventilation opening provided in the utility model;

[0025] Figure 6 It is the structural schematic view of the adjusting bolt provided in the utility model.

[0026] In the drawing: 1, annular support; 2, metal net; 3, elastic ring; 4, adjusting bolt; 5, nut; 100, ventilation opening; 301, extension area; 401, screw rod; 402, bolt head; 403, screwing ring. DETAILED DESCRIPTION

[0027] The utility model will be further explained in detail in combination with the drawings and specific embodiments. The advantages and features of the utility model will be more clear according to the following description and claims. It should be noted that the drawings are all very simplified and use non-precise scale, only for the purpose of conveniently and clearly assisting the description of the utility model embodiments.

[0028] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms 'center', 'longitudinal', 'transverse', 'upper', 'lower', 'front','rear', 'left', 'right','vertical', 'horizontal', 'top', 'bottom', 'inner', 'outer' and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as the limitation of the utility model.

[0029] In the description of the utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms'mounting', 'connecting', 'connection' should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances. EMBODIMENT

[0030] Please refer to Figure 1 And Figure 2The utility model provides a kind of grain depot shallow roundhouse ventilation opening insect screen structure, it is inlaid and installed at the ventilation opening 100 of ventilation pipeline;As shown in Figure 3 And Figure 4 It specifically includes annular support 1;The inside of the annular support 1 is fine metal net 2, and the metal net 2 densely covers the entire inside space of the annular support 1;The outside of the annular support 1 is equipped with elastic ring 3, the elastic ring 3 is installed on the outside of the annular support 1, and is tightly matched with the inner wall of the ventilation opening 100;A plurality of adjusting bolts 4 are further provided on the inner wall of the annular support 1, the adjusting bolt 4 is threadedly connected with the annular support 1, and the elastic ring 3 is pressed and fixed on the inner wall of the ventilation opening 100 by screwing the adjusting bolt 4.

[0031] In actual use, the metal net 2 is arranged on the side of the annular support 1 close to the deep part of the ventilation opening, and the adjusting bolt 4 is located in the middle of the side wall of the annular support 1, when the insect screen is installed in the ventilation opening 100, the adjusting bolt 4 can still be screwed from the outside.

[0032] Specifically, the adjusting bolt 4 is provided with four groups, which are uniformly distributed around the central axis of the annular support 1.

[0033] As shown in Figure 5 Similarly, four nuts 5 are provided on the inner wall of the annular support 1, so that the four groups of adjusting bolts 4 are respectively threadedly connected with the corresponding nuts 5, and each group of adjusting bolts 4 can press and cover the elastic ring 3 through the side wall of the annular support 1.

[0034] Further, as shown in Figure 6 The adjusting bolt 4 includes a screw rod 401, a bolt head 402 and a screw ring 403; one end of the bolt head 402 is connected with the screw rod 401, and the other end is connected with the screw ring 403, by rotating the screw ring 403, the screw rod 401 part moves along the centerline axis, so as to press and fix the elastic ring 3 on the inner wall of the ventilation opening 100.

[0035] And the screw ring 403 is oval, and is movably connected with the bolt head 402. Because the longitudinal space of the annular support 1 is small, the oval screw ring 403 can switch the long side or the short side to contact with the bolt head 402, so as to facilitate the force of hand during screwing, and after adjustment is completed, the screw ring 403 automatically falls under the action of gravity, so as to avoid contact with the metal net 2, thereby avoiding damage to the metal net 2.

[0036] In an embodiment, the elastic ring 3 is a rubber ring, which is tightly fitted outside the ring-shaped support 1; and a plurality of extension regions 301 are arranged on one side of the elastic ring 3 close to the ring-shaped support 1, and the extension regions 301 are staggered with the adjusting bolts 4.

[0037] In the embodiment, the extension regions 301 are a plurality of stress grooves arranged on the elastic ring 3, so that the elastic ring 3 can expand outward or contract inward along the diameter direction under the action of external force. Specifically, the stress grooves penetrate the side wall along the height direction of the elastic ring 3 and are also open on the inner side. When the air vent 100 expands outward, the adjusting bolts 4 are screwed to make the elastic ring 3 expand outward and fit the inner wall of the air vent 100; when the air vent 100 contracts inward, the elastic ring 3 will contract inward under the action of external pressure on the outer side, and can also fit the inner wall of the air vent 100.

[0038] The above description is only a description of the preferred embodiments of the present application, and is not any limitation on the scope of the present application. Any modification or change made by a person skilled in the art according to the above disclosure is within the protection scope of the claims.

Claims

1. A type of insect-proof netting structure for the ventilation opening of a shallow circular grain depot, embedded in the ventilation opening (100) of a ventilation duct, characterized in that, Including the ring-shaped support (1); The inner side of the annular support (1) is a fine metal mesh (2), and the metal mesh (2) covers the entire inner space of the annular support (1). An elastic ring (3) is provided on the outside of the annular bracket (1). The elastic ring (3) is sleeved and installed on the outside of the annular bracket (1) and is tightly fitted with the inner wall of the vent (100). The inner wall of the annular bracket (1) is also provided with a plurality of adjusting bolts (4). The adjusting bolts (4) are threadedly connected to the annular bracket (1). As the adjusting bolts (4) are turned, the elastic ring (3) is pressed and fixed to the inner wall of the vent (100).

2. The insect-proof netting structure for the ventilation opening of a shallow circular grain silo as described in claim 1, characterized in that, The metal mesh (2) is placed on the side of the annular bracket (1) near the depth of the vent, while the adjusting bolt (4) is located in the middle of the side wall of the annular bracket (1). When the insect net is installed in the vent (100), the adjusting bolt (4) can still be screwed on from the outside.

3. The insect-proof netting structure for the ventilation opening of a shallow circular grain silo as described in claim 2, characterized in that, The adjusting bolts (4) are provided in four sets, which are evenly distributed around the central axis of the annular bracket (1).

4. The insect-proof netting structure for the ventilation opening of a shallow circular grain silo as described in claim 1, characterized in that, Four nuts (5) are provided on the inner side wall of the annular bracket (1), so that the four sets of adjusting bolts (4) are threadedly connected to the corresponding nuts (5), and each set of adjusting bolts (4) can pass through the side wall of the annular bracket (1) and press against the elastic ring (3).

5. The insect-proof netting structure for the ventilation opening of a shallow circular grain silo as described in claim 4, characterized in that, The adjusting bolt (4) includes a screw (401), a bolt head (402), and a screw ring (403); one end of the bolt head (402) is connected to the screw (401), and the other end is connected to the screw ring (403). By rotating the screw ring (403), the screw (401) moves along the central axis, thereby pressing and fixing the elastic ring (3) against the inner wall of the vent (100).

6. The insect-proof netting structure for the ventilation opening of a shallow circular grain silo as described in claim 5, characterized in that, The screw ring (403) is elliptical and is movably connected to the bolt head (402).

7. The insect-proof netting structure for the ventilation opening of a shallow circular grain silo as described in claim 1, characterized in that, The elastic ring (3) is a rubber ring, which is tightly fitted to the outside of the annular bracket (1).

8. The insect-proof netting structure for the ventilation opening of a shallow circular grain silo as described in claim 7, characterized in that, The elastic ring (3) has multiple extension areas (301) on the side near the annular bracket (1), and the multiple extension areas (301) are arranged alternately with the adjusting bolt (4).

9. The insect-proof netting structure for the ventilation opening of a shallow circular grain silo as described in claim 8, characterized in that, The extended region (301) consists of multiple stress grooves formed in the elastic ring (3), which enable the elastic ring (3) to expand outward or contract inward along the diameter direction under the action of external force.

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