Waterproof structure of granary

Abstract

The granary waterproof structure comprises a ventilation pipe and a waterproof sleeve, the bottom of the ventilation pipe is connected to the top of a granary, the top of the waterproof sleeve is sealed, the bottom of the waterproof sleeve is open, the waterproof sleeve is connected to the outer portion of the ventilation pipe in a threaded mode, and an annular cavity for air circulation is formed between the ventilation pipe and the waterproof sleeve. The waterproof sleeve is connected to the ventilation pipe in a threaded connection mode and can be freely detached, and the waterproof sleeve is quite convenient and fast to use. Meanwhile, under the action of the waterproof sleeve, an annular cavity for air flow circulation is further reserved between the ventilation pipe and the waterproof sleeve, so that ventilation in the granary can be guaranteed, and rainwater can be prevented from entering the granary; more importantly, the whole waterproof structure is simple in design, easy to disassemble and assemble, few in parts, low in economic cost and high in practical value.

Description

Technical Field

[0001] This application relates to the technical field of grain bin waterproofing, and particularly to a waterproof structure for grain bins. Background Art

[0002] The waterproof structure of a grain bin is a crucial part of the grain bin building design, which is directly related to the safety and stability of grain storage.

[0003] Traditional grain bins can generally be divided into concrete grain bins and steel structure (flat top) grain bins. Since the top of the grain bin usually faces wind and rain directly and there is a risk of water accumulation, the waterproof structure at the top is particularly important. The patent document with the publication number CN214800931U discloses a waterproof structure at the air vent position of the grain bin roof. Under the action of the waterproof sleeve, the first fixing part, and the second fixing part, the waterproofing of the top air vent can be effectively achieved, which has certain positive significance. However, there are also certain drawbacks, that is, the entire installation process is relatively complex, and it is necessary to set up a plurality of connecting parts such as tightening rings and screws, which will also increase a certain cost. Utility Model Content

[0004] The purpose of this application is to provide a waterproof structure for grain bins to solve the above problems.

[0005] To achieve the above purpose, the technical solution of this application is as follows:

[0006] A waterproof structure for grain bins includes a ventilation pipe and a waterproof sleeve. The bottom of the ventilation pipe is connected to the top of the grain bin. The top of the waterproof sleeve is sealed and the bottom is open. The waterproof sleeve is screwed on the outside of the ventilation pipe, and an annular cavity for air circulation is formed between the ventilation pipe and the waterproof sleeve.

[0007] Preferably, the outer peripheral wall of the ventilation pipe is provided with external threads; a plurality of connecting arms are arranged circumferentially on the inner wall of the waterproof sleeve. One end of the connecting arm away from the waterproof sleeve is provided with an arc-shaped plate, and an internal thread is provided on a wall of the arc-shaped plate facing away from the waterproof sleeve; the plurality of arc-shaped plates jointly enclose an annular discontinuous part that is in threaded fit with the ventilation pipe.

[0008] Preferably, it further includes an annular water baffle; a ventilation opening for air circulation is provided at the central position of the annular water baffle, and the ventilation opening is communicated with the top of the ventilation pipe; an annular step groove is provided in the inner circle of the top of the ventilation pipe, and a clamping ring is provided on the annular water baffle, and the clamping ring is in socket fit with the annular water baffle.

[0009] Preferably, along the direction from the center of the annular water baffle to the edge, the annular water baffle gradually slopes downward.

[0010] Preferably, a filter screen is provided at the bottom of the annular stepped groove; a clamping groove is vertically provided on the inner wall of the annular stepped groove, a clamping strip is provided on the outer periphery of the filter screen, and the clamping strip is in clamping fit with the clamping groove.

[0011] Preferably, a waterproof rubber sleeve is sleeved at the bottom of the ventilation pipe.

[0012] Preferably, a flexible waterproof sleeve is provided on the bottom wall of the connecting arm; the flexible waterproof sleeve is concentric with the ventilation pipe, and the flexible waterproof sleeve is located outside the waterproof rubber sleeve.

[0013] A waterproof structure for a granary disclosed in the present application is connected to the ventilation pipe by screwing, and can be freely disassembled, which is very convenient; at the same time, under the action of the waterproof sleeve, an annular cavity for air flow is left between the ventilation pipe and the waterproof sleeve, so that both the ventilation in the granary can be ensured and rainwater can be prevented from entering the inside of the granary; more importantly, the entire waterproof structure is simple in design, easy to disassemble and assemble, has fewer parts, low economic cost, and has high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the present application;

[0015] Figure 2 is a cross-sectional view of the overall structure of the present application;

[0016] Figure 3 is Figure 2 a partially enlarged schematic view at A in

[0017] Figure 4 is Figure 2 a partially enlarged schematic view at B in

[0018] Figure 5 is a schematic diagram of the internal structure of the waterproof sleeve.

[0019] In the figure:

[0020] 1. Waterproof sleeve; 10. Connecting arm; 100. Arc plate; 11. Waterproof rubber sleeve; 12. Flexible waterproof sleeve; 2. Ventilation pipe; 20. External thread; 21. Annular stepped groove; 22. Clamping groove; 3. Annular cavity; 4. Annular water baffle; 40. Clamping ring; 5. Filter screen. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Now, the present application will be further described in detail with reference to the accompanying drawings. The drawings are simplified schematic diagrams, and only illustrate the basic structure of the present application in a schematic manner, so they only show the components related to the present application.

[0022] As Figures 1-5As shown in the figure, a waterproof structure for a granary includes a ventilation pipe 2 and a waterproof sleeve 1. The bottom of the ventilation pipe 2 is connected to the top of the granary. The top of the waterproof sleeve 1 is sealed and the bottom is open. The waterproof sleeve 1 is screwed onto the outside of the ventilation pipe 2, and an annular cavity 3 for air circulation is formed between the ventilation pipe 2 and the waterproof sleeve 1.

[0023] The bottom of the ventilation pipe 2 is connected to the top of the granary. When the top of the granary is made of concrete, the ventilation pipe 2 can be pre-buried in the concrete. When the top of the granary is made of steel structure, the installation of the ventilation pipe 2 can be achieved by bolts or welding.

[0024] The top of the waterproof sleeve 1 is sealed and has a dome structure. The waterproof sleeve 1 is screwed onto the outside of the ventilation pipe 2. At the same time, an annular cavity 3 is formed by isolating between the outer wall of the ventilation pipe 2 and the inner wall of the waterproof sleeve 1. Thus, the air flow inside the granary can flow out through the annular cavity 3 to realize the ventilation of the granary interior. At the same time, the waterproof sleeve 1 can also block rainwater to prevent rainwater from falling into the ventilation pipe 2 and ensure waterproofing.

[0025] The waterproof sleeve 1 is connected to the ventilation pipe 2 by screwing and can be freely disassembled, which is very convenient. At the same time, under the action of the waterproof sleeve 1, an annular cavity 3 for air flow is left between the ventilation pipe 2 and the waterproof sleeve 1, so that both the ventilation inside the granary can be ensured and rainwater can be prevented from entering the granary interior. More importantly, the whole waterproof structure is simple in design, easy to disassemble and assemble, with fewer components and low economic cost, and has high practical value.

[0026] In some further embodiments, an external thread 20 is provided on the outer peripheral wall of the ventilation pipe 2; a plurality of connecting arms 10 are arranged circumferentially on the inner wall of the waterproof sleeve 1. An arc-shaped plate 100 is provided at one end of the connecting arm 10 away from the waterproof sleeve 1, and an internal thread is provided on one wall of the arc-shaped plate 100 facing away from the waterproof sleeve 1; a plurality of arc-shaped plates 100 jointly enclose an annular intermittent part that is in threaded fit with the ventilation pipe 2.

[0027] The number of the connecting arms 10 and the arc-shaped plates 100 is three, and the three are evenly spaced circumferentially. Since the arc-shaped plates 100 connected to the external thread 20 are not connected to each other, when it is windy and rainy, the shaking of the waterproof sleeve 1 will be slowed down when transmitted to the ventilation pipe 2 through the connecting arms 10, thereby reducing the influence of wind on the ventilation pipe 2 to a certain extent and increasing its service life.

[0028] In some further embodiments, an annular water baffle 4 is further included; a circulation port for air circulation is provided at the center of the annular water baffle 4, and the circulation port is communicated with the top of the ventilation pipe 2; an annular step groove 21 is provided on the inner circle of the top of the ventilation pipe 2, and a clamping ring 40 is provided on the annular water baffle 4, and the clamping ring 40 is in socket fit with the annular water baffle 4.

[0029] The annular water baffle 4 is mainly used to prevent rainwater from splashing into the annular cavity 3 when hitting the top of the granary and accidentally entering the interior of the ventilation pipe 2.

[0030] The clamping ring 40 is specifically arranged at the outer edge of the circulation port and can just be clamped with the annular step groove 21 arranged in the ventilation pipe 2 to realize the fixation of the annular water baffle 4.

[0031] In some further embodiments, along the direction from the center to the edge of the annular water baffle 4, the annular water baffle 4 gradually slopes downward.

[0032] The edge part of the annular water baffle 4 gradually slopes downward relative to the central part. One is to reduce the center of gravity of the ventilation pipe 2 and make its structure more concentrated and compact. The other is to better reflect the splashed water droplets and avoid scattered splashing.

[0033] In some further embodiments, a filter screen 5 is provided at the bottom of the annular step groove 21; a clamping groove 22 is vertically provided on the inner wall of the annular step groove 21, and a clamping strip is provided on the outer periphery of the filter screen 5, and the clamping strip is in clamping fit with the clamping groove 22.

[0034] In order to prevent sundries, insects or small animals from entering the interior of the granary through the ventilation pipe 2, a filter screen 5 is provided at the top of the ventilation pipe 2. In order to limit the movement of the filter screen 5, a clamping strip is particularly provided on the outer periphery of the filter screen 5, and a clamping groove 22 is provided on the inner wall of the annular step groove. The filter screen 5 is limited by the cooperation of the clamping groove 22 and the clamping strip.

[0035] Both the clamping strip and the clamping groove 22 are correspondingly provided with three.

[0036] In some further embodiments, a waterproof rubber sleeve 11 is sleeved on the bottom of the ventilation pipe 2.

[0037] A waterproof rubber sleeve 11 is sleeved on the bottom of the ventilation pipe 2. Since the bottom is more likely to come into contact with rainwater, setting the waterproof rubber sleeve 11 can effectively reduce the corrosion degree of the thread of the ventilation pipe 2.

[0038] In some further embodiments, a flexible waterproof sleeve 12 is provided on the bottom wall of the connecting arm 10; the flexible waterproof sleeve 12 is concentric with the ventilation pipe 2, and the flexible waterproof sleeve 12 is located outside the waterproof rubber sleeve 11.

[0039] In order to further reduce the damage of rainwater to the external thread 20 on the ventilation pipe 2, a flexible waterproof sleeve 12 is also provided outside the external thread 20. The flexible waterproof sleeve 12 is hung below the connecting arm 10 and has a certain flexibility, which can effectively reduce the secondary splashing of rainwater.

[0040] Obviously, the above embodiments are merely examples given for clear illustration and are not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or alterations can be made based on the above description. It is not necessary and impossible to enumerate all implementation manners here. And the obvious changes or alterations derived therefrom still fall within the protection scope of the present invention.

Claims

1. A waterproof structure for a granary, characterized in that, It includes a ventilation pipe (2) and a waterproof sleeve (1). The bottom of the ventilation pipe (2) is connected to the top of the granary. The top of the waterproof sleeve (1) is sealed and the bottom is open. The waterproof sleeve (1) is screwed on the outside of the ventilation pipe (2), and an annular cavity (3) for air circulation is formed between the ventilation pipe (2) and the waterproof sleeve (1).

2. The waterproof structure of the granary according to claim 1, characterized in that, External threads (20) are provided on the outer peripheral wall of the ventilation pipe (2); a plurality of connecting arms (10) are circumferentially arranged on the inner wall of the waterproof sleeve (1). An arc-shaped plate (100) is provided at one end of the connecting arm (10) away from the waterproof sleeve (1). Internal threads are provided on a wall of the arc-shaped plate (100) facing away from the waterproof sleeve (1); the plurality of arc-shaped plates (100) jointly enclose an annular discontinuous portion that is in threaded fit with the ventilation pipe (2).

3. The grain bin waterproof structure according to claim 2, characterized in that, It further includes an annular water baffle (4); a circulation port for air circulation is provided at the central position of the annular water baffle (4), and the circulation port is communicated with the top of the ventilation pipe (2); an annular step groove (21) is provided in the inner circle at the top of the ventilation pipe (2), and a clamping ring (40) is provided on the annular water baffle (4), and the clamping ring (40) is in socket fit with the annular water baffle (4).

4. The grain bin waterproof structure according to claim 3, characterized in that, Along the direction from the center to the edge of the annular water baffle (4), the annular water baffle (4) gradually slopes downward.

5. The waterproof structure of the granary according to claim 4, characterized in that, A filter screen (5) is provided at the bottom of the annular step groove (21); clamping grooves (22) are vertically provided on the inner wall of the annular step groove (21), and clamping strips are provided on the outer periphery of the filter screen (5), and the clamping strips are in clamping fit with the clamping grooves (22).

6. The waterproof structure of the granary according to claim 5, characterized in that A waterproof rubber sleeve (11) is sleeved on the bottom of the ventilation pipe (2).

7. The waterproof structure of the granary according to claim 6, characterized in that, A flexible waterproof sleeve (12) is provided on the bottom wall of the connecting arm (10); the flexible waterproof sleeve (12) is concentric with the ventilation pipe (2), and the flexible waterproof sleeve (12) is located outside the waterproof rubber sleeve (11).

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