Ventilation and pressure reduction central pipe

Abstract

The utility model relates to the technical field of granaries, and discloses a ventilation pressure reduction center pipe which comprises a center pipe assembly, a surface increasing assembly is arranged in the lower middle of the center pipe assembly and comprises a connecting pipe and a connecting piece, the connecting piece is fixedly connected to the bottom end of the connecting pipe, and L-shaped pipes are evenly connected to the middle of the circumferential surface of the connecting pipe in a threaded mode. Third air holes are evenly formed in the peripheral surface of the L-shaped pipe. According to the ventilation and pressure reduction center pipe, through the arrangement of the surface increasing assembly and the center pipe assembly, the problems that when an existing ventilation and pressure reduction center pipe is used, the ventilation area is generally only around the center pipe, the range of the ventilation area is small, and certain limitation exists in use are solved; or when an existing ventilation and pressure reduction center pipe is used, the size of the center pipe structure is generally fixed, the length of the center pipe structure cannot be flexibly adjusted according to the height of the granary, and certain limitation exists in use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of granary, concretely to a ventilation pressure reduction center pipe. BACKGROUND

[0002] The granary, that is, the special building for storing grain, is used for storing a large amount of grain, and the ventilation pressure reduction center pipe is mainly applied to the field of granary. In the storage facilities such as granary, the air circulation of the central part is often poor after the grain is stacked. The ventilation pressure reduction center pipe can effectively solve this problem. It is like a "ventilation pipe" that introduces fresh air from the outside into the central area of the grain pile. There are many small holes on the pipe body, and air can be uniformly diffused into the grain pile through these small holes to ensure the oxygen supply inside the grain pile and avoid local oxygen deficiency. According to the above description, the applicant believes that there are the following problems:

[0003] At present, the existing ventilation pressure reduction center pipe has the following problems when in use: the ventilation area is only around the center pipe, the ventilation area range is small, and there is certain limitation in use; or the structure size of the existing ventilation pressure reduction center pipe is fixed, the length of the center pipe structure cannot be flexibly adjusted according to the height of the granary, and there is certain limitation in use. Therefore, a ventilation pressure reduction center pipe needs to be improved to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a ventilation pressure reduction center pipe to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a ventilation pressure reduction center pipe, comprising a center pipe assembly, the center pipe assembly is provided with an area increasing assembly in the middle, and the area increasing assembly comprises a connecting pipe and a connecting piece, the connecting piece is fixedly connected to the bottom end of the connecting pipe, L-shaped pipes are uniformly screwed on the middle of the peripheral surface of the connecting pipe, and the peripheral surface of the L-shaped pipe is uniformly provided with a third air hole.

[0006] Preferably, the center pipe assembly comprises a first center pipe and a threaded piece, and the threaded piece is fixedly connected to the bottom surface of the first center pipe, and the first center pipe is screwed with a second center pipe through the threaded piece.

[0007] Preferably, the peripheral surface of the first center pipe is uniformly provided with a first air hole, and the middle of the upper end of the first center pipe is provided with a first threaded groove.

[0008] Preferably, the middle of the upper end surface of the second center pipe is provided with a second threaded groove, the peripheral surface of the second center pipe is uniformly provided with a second air hole, and a through hole is penetratingly arranged in the middle of the peripheral surface of the second center pipe.

[0009] Preferably, the central pipe assembly upper end sleeve joint is connected with a pressure relief assembly, and the pressure relief assembly comprises a sleeve piece and a buffer bin uniformly fixedly connected to the sleeve piece four around surfaces.

[0010] Compared with the prior art, the utility model provides a ventilation pressure relief central pipe with the following beneficial effects:

[0011] 1、the ventilation pressure relief central pipe, through setting up the face assembly, has the effect that the ventilation area is expanded, solves the problem that the existing ventilation pressure relief central pipe has a small ventilation area and is limited in use when the ventilation area is only around the central pipe.

[0012] 2、the ventilation pressure relief central pipe, through setting up the central pipe assembly, has the effect that the length of the central pipe structure can be flexibly adjusted, solves the problem that the existing ventilation pressure relief central pipe has a fixed central pipe structure size and cannot be flexibly adjusted according to the height of the granary, and is limited in use. DETAILED DESCRIPTION

[0013] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without paying the creativity labor:

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the pressure relief assembly structure schematic diagram of the utility model;

[0016] Figure 3 It is the face assembly structure schematic diagram of the utility model;

[0017] Figure 4 It is the central pipe assembly structure schematic diagram of the utility model.

[0018] In the drawing: 1, central pipe assembly;11, first central pipe;111, first air hole;112, first thread groove;12, threaded part;13, second central pipe;131, second thread groove;132, through hole;133, second air hole;2, face assembly;21, connecting pipe;22, connecting piece;23, L-shaped pipe;231, third air hole;3, pressure relief assembly;31, sleeve piece;32, buffer bin. DETAILED DESCRIPTION

[0019] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the present application.

[0020] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements or the interaction between two elements. For the ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0021] Embodiment:

[0022] Please refer to Figures 1-4 The present application provides a technical scheme: a ventilation and pressure reduction central pipe, comprising a central pipe assembly 1, a face increasing assembly 2 is arranged at the middle of the central pipe assembly 1, and the face increasing assembly 2 comprises a connecting pipe 21 and a connecting piece 22, the connecting piece 22 is fixedly connected to the bottom end of the connecting pipe 21, L-shaped pipes 23 are uniformly and threadedly connected to the middle of the peripheral surface of the connecting pipe 21, and the peripheral surface of the L-shaped pipe 23 is uniformly provided with third air holes 231; the central pipe assembly 1 comprises a first central pipe 11 and a threaded piece 12, the threaded piece 12 is fixedly connected to the bottom surface of the first central pipe 11, and the first central pipe 11 is threadedly connected with a second central pipe 13 through the threaded piece 12; the peripheral surface of the first central pipe 11 is uniformly provided with first air holes 111, and the middle of the upper end of the first central pipe 11 is provided with a first threaded groove 112; the middle of the upper end surface of the second central pipe 13 is provided with a second threaded groove 131, the peripheral surface of the second central pipe 13 is uniformly provided with second air holes 133, and a through hole 132 is arranged through the middle of the peripheral surface of the second central pipe 13.

[0023] Working principle: when the ventilation pressure center pipe, in use, will increase the pipe 21 on the upper end of the connecting pipe 2 and the blower connected, that can be through the blower to the connecting pipe 21 blowing, thereby through the connecting piece 22 dispersed to the L type pipe 23, and from the third air hole 231 in the L type pipe 23 blowing, thereby to the center pipe outside more far distance of grain ventilation, at the same time when need according to the height of the warehouse center pipe assembly 1 length adjustment, can through the first center pipe 11 interconnection mode to change the total length of the center pipe assembly 1, wherein only need to align the screw 12 on the first center pipe 11 on the first threaded groove 112 of another first center pipe 11, then clockwise rotation, can be connected with each other, more convenient, practical, is worth to vigorously promote.

[0024] Wherein as shown in Figure 2 The upper end of the center pipe assembly 1 is sleeved with a pressure reducing assembly 3, and the pressure reducing assembly 3 comprises a sleeve piece 31 and a buffer bin 32, and the buffer bin 32 is uniformly fixedly connected to the periphery surface of the sleeve piece 31. Specifically, when it is needed to put grain into the warehouse, the grain is only needed to be poured on the buffer bin 32, so that the grain can be safely slid into the warehouse.

[0025] It should be noted that in this text, such as the first and second relationship terms are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "includes a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

Claims

1. A vented reduced pressure center tube characterized by, The utility model provides a center tube subassembly (1) is provided with the face increasing subassembly (2) in the lower middle part, and the face increasing subassembly (2) includes connecting pipe (21) and connecting piece (22), connecting piece (22) is fixedly connected in the bottom end of connecting pipe (21), and the even screw thread connection of connecting pipe (21) periphery surface middle part has L type pipe (23), and the even third gas permeation hole (231) of L type pipe (23) periphery surface is provided.

2. A vented reduced pressure center tube according to claim 1, wherein, The center tube subassembly (1) includes a first center tube (11) and a threaded member (12), and the threaded member (12) is fixedly connected to the bottom surface of the first center tube (11). The first center tube (11) is threadedly connected with a second center tube (13) through the threaded member (12).

3. A vented reduced pressure center tube according to claim 2, wherein, The first center tube (11) is uniformly provided with a first gas permeation hole (111) on the periphery surface. The upper end of the first center tube (11) is provided with a first threaded groove (112) in the middle part.

4. A vented reduced pressure center tube according to claim 2, wherein, The second center tube (13) is provided with a second threaded groove (131) in the middle part of the upper end surface. The second center tube (13) is uniformly provided with a second gas permeation hole (133) on the periphery surface. The second center tube (13) is provided with a through hole (132) in the middle part around the periphery surface.

5. A vented reduced pressure center tube according to claim 1, wherein, The center tube subassembly (1) is connected with a pressure reducing assembly (3) at the upper end. The pressure reducing assembly (3) includes a sleeve member (31) and a buffer bin (32). The buffer bin (32) is uniformly fixedly connected to the periphery surface of the sleeve member (31).

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