Molecular sieve anti-loosening end cover structure

Abstract

The utility model relates to the technical field of molecular sieves, and discloses a molecular sieve anti-loosening end cover structure which comprises a cover body, the cover body is arranged in a cube shape, an inner shell is arranged in the cover body, the inner shell is arranged in a cylindrical hollow shape, cross-shaped reinforcing pipes are arranged on the periphery of the inner shell, an inner cavity is formed in the inner shell, and the cross-shaped reinforcing pipes are arranged in the inner cavity. One pipe opening of the cross-shaped reinforcing pipe is communicated with the inner cavity and provided with a communication channel, a protruding ring is arranged at the opening of the inner shell and arranged on the surface of the cover body, and annular grooves are formed in the positions, opposite to the cover body, of the inner ring wall and the outer ring wall of the protruding ring. The bolt holes in the corners of the cover body are assembled through the bolts, and the cover body can be tightly assembled through the convex ring and the annular groove, so that the problem of looseness of the mounted cover body is effectively prevented, and the screening effect of the molecular sieve is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molecular sieves, in particular to a molecular sieve anti-loosening end cover structure. Background Technique

[0002] Molecular sieve is a crystalline silicate or silicon-aluminate, formed by connecting silicon-oxygen tetrahedrons or aluminum-oxygen tetrahedrons through oxygen bridge bonds to form a pore and cavity system with a molecular size (usually 0.3 - 2.0 nm), thus having the property of screening molecules.

[0003] There is a Chinese patent with the application number 202010557155.0 and the publication number CN111569608A, a new type of end cover for molecular sieve of an oxygen generator. It includes an end cover body; the top surface of the end cover body is provided with a solenoid valve air outlet hole, a screen cylinder b air inlet hole, a solenoid valve air inlet hole, and a screen cylinder a air inlet hole; the side surface of the end cover body is provided with a first threaded hole, a second threaded hole, a third threaded hole, a fourth threaded hole, a fifth threaded hole, a compressed air inlet hole, and an oxygen outlet hole; the compressed air inlet hole is respectively communicated with the solenoid valve air inlet hole through the first and fourth threaded holes; the screen cylinder a air inlet hole is communicated with the screen cylinder a cavity through the third threaded hole; the screen cylinder b air inlet hole is communicated with the screen cylinder b cavity through the fifth threaded hole; the solenoid valve air outlet hole is communicated with the exhaust cavity through the second threaded hole; the oxygen outlet hole is communicated with the oxygen storage chamber. Different functional holes are provided on the end cover body, eliminating the need to set up external leakage pipelines, placing the pipelines inside the end cover body, and the overall structure is compact, simple, and easy to process;

[0004] Combined with the above scheme, during the use of the end cover, there are the following problems. The existing end cover structure is complex, not simple enough, the assembly tightness is poor, and it cannot be firmly assembled to prevent loosening, thus affecting the screening effect of the molecular sieve.

[0005] Therefore, based on the above technical problems, it is necessary for those skilled in the art to develop a molecular sieve anti-loosening end cover structure. Content of the Utility Model

[0006] The purpose of the utility model is to provide a molecular sieve anti-loosening end cover structure to solve the problems put forward in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical scheme:

[0008] A technical scheme of a molecular sieve anti-loosening end cover structure includes a cover body. The cover body is arranged in a cube shape, and an inner shell is arranged inside the cover body. The inner shell is arranged in a cylindrical hollow shape, and cross-shaped reinforcing pipes are arranged around the inner shell. An inner cavity is arranged inside the inner shell. One of the pipe orifices of the cross-shaped reinforcing pipe is communicated with the inner cavity and is provided with a communication channel. A convex ring is arranged at the opening of the inner shell. The convex ring is arranged on the surface of the cover body, and annular grooves are arranged on the inner ring wall and the outer ring wall of the convex ring relative to the cover body.

[0009] As a preferred technical solution, a plurality of bolt holes are provided at the corners of the top surface of the cover body, and a number of air inlet holes are provided through the periphery of the cover body.

[0010] As a preferred technical solution, the inner shell, the cross reinforcement pipe and the cover body are integrally processed.

[0011] As a preferred technical solution, the convex ring and the cover body are assembled and connected by bolts.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] The present utility model is a molecular sieve anti-loosening end cover structure. The provided cover body, inner shell and convex ring are assembled by bolts through the bolt holes at the corners of the cover body, and the convex ring and the annular groove can closely assemble the cover body, thereby effectively preventing the loosening problem of the cover body after installation and improving the molecular sieve screening effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an overall structural schematic diagram of a molecular sieve anti-loosening end cover structure;

[0015] Figure 2 It is an internal three-dimensional structural schematic diagram of a molecular sieve anti-loosening end cover structure;

[0016] Figure 3 It is a top view structural schematic diagram of a molecular sieve anti-loosening end cover structure.

[0017] In the attached drawing reference numerals: 1, cover body; 2, bolt hole; 3, air inlet hole; 4, inner shell; 41, inner cavity; 42, communication channel; 5, cross reinforcement pipe; 6, convex ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The features and exemplary embodiments of various aspects of the present utility model will be described in detail below. In order to make the objectives, technical solutions and advantages of the present utility model clearer, the following further describes the present utility model in detail with reference to the attached drawings and specific embodiments. For those skilled in the art, the present utility model can be implemented without some of these specific details. The following description of the embodiments is only to provide a better understanding of the present utility model by showing examples of the present utility model.

[0019] Such as Figures 1-3As shown in the figure, the present utility model provides a technical solution for a molecular sieve anti-loosening end cap structure: It includes a cover body 1, the cover body 1 is arranged in a cube shape, and an inner shell 4 is arranged inside the cover body 1. The inner shell 4 is arranged in a cylindrical hollow shape, and a cross-shaped reinforcement pipe 5 is arranged around the inner shell 4. An inner cavity 41 is arranged inside the inner shell 4. One of the pipe openings of the cross-shaped reinforcement pipe 5 is connected to the inner cavity 41, and a communication channel 42 is arranged. A convex ring 6 is arranged at the opening of the inner shell 4. The convex ring 6 is arranged on the surface of the cover body 1, and annular grooves are arranged on the inner and outer circumferential walls of the convex ring 6 relative to the cover body 1. The convex ring 6 and the cover body 1 are assembled and connected by bolts. A plurality of bolt holes 2 are arranged at the corners of the top surface of the cover body 1, and a number of air inlet holes 3 are arranged through the periphery of the cover body 1.

[0020] In this embodiment, the bolt holes 2 at the corners of the cover body 1 are assembled by bolts, and the convex ring 6 and the annular groove can tightly assemble the cover body, thereby effectively preventing the loosening problem of the cover body 1 after installation and improving the molecular sieve screening effect.

[0021] As Figures 1-3 shown, among them, the inner shell 4, the cross-shaped reinforcement pipe 5 and the cover body 1 are integrally processed.

[0022] In this embodiment, injection molding is adopted, and the processing is simple.

[0023] The working principle and usage process of the present utility model: After the present utility model is installed, it works according to the above embodiment until all working steps are completed.

[0024] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

[0025] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "center", "both ends", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model.

[0026] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "setting", "connection", "fixation", "swivel connection" and the like shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two components or the interaction relationship between two components. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] According to the embodiments of the present utility model as described above, these embodiments do not describe all details in detail, nor limit the present utility model to only the specific embodiments. Obviously, according to the above description, many modifications and variations can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present utility model, so that those skilled in the art can make good use of the present utility model and its modified use based on the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A molecular sieve anti-loosening end cap structure, characterized in that, It includes a cover body (1), the cover body (1) is arranged in a cube shape, and an inner shell (4) is provided inside the cover body (1). The inner shell (4) is arranged in a cylindrical hollow shape, and cross reinforcing pipes (5) are provided around the inner shell (4). An inner cavity (41) is provided inside the inner shell (4). One of the pipe openings of the cross reinforcing pipe (5) is communicated with the inner cavity (41), and a communication channel (42) is provided. A convex ring (6) is provided at the opening of the inner shell (4). The convex ring (6) is arranged on the surface of the cover body (1), and annular grooves are provided on the inner and outer circumferential walls of the convex ring (6) relative to the cover body (1).

2. The molecular sieve anti-loosening end cap structure according to claim 1, characterized in that: A plurality of bolt holes (2) are provided at the corners of the top surface of the cover body (1), and a number of air inlet holes (3) are provided through the periphery of the cover body (1).

3. The molecular sieve anti-loosening end cap structure according to claim 1, characterized in that: The inner shell (4), the cross reinforcing pipe (5) and the cover body (1) are integrally processed.

4. The molecular sieve anti-loosening end cap structure according to claim 1, wherein: The convex ring (6) and the cover body (1) are assembled and connected by bolts.

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