A high strength diffuser

Abstract

The present invention discloses a high-strength diffuser, comprising a movable cover, a fixed cover, a bottom cover, a first grid layer, a second grid layer and a third grid layer, wherein a first through hole is provided at the center of the movable cover, and three groups of countersunk holes arranged in an annular array are provided at the center side of the movable cover and the center side of the bottom cover, a sleeve is provided in the first through hole, and three groups of guide grooves arranged in an annular array are provided on the inner wall of the sleeve, and six groups of the first threaded rods respectively penetrate the six groups of the countersunk holes, and six groups of the first nuts are respectively threadedly connected on the six groups of the first threaded rods, and the six groups of the first nuts are installed in the six groups of countersunk holes through the six groups of the first threaded rods, and three groups of second threaded rods arranged in an annular array are welded and fixed at the center side of the bottom cover. The present invention can effectively improve the strength of the diffuser nozzle, the support rod is stable, not easy to break, easy to disassemble and install, and the filter screen has high overall strength and is not easy to deform.

Description

Technical Field

[0001] The invention relates to the technical field of diffusers, and in particular to a high-strength diffuser. Background Art

[0002] Diffusers have many forms and uses. Their purpose is to diffuse substances with high molecular concentrations to parts or media with low molecular concentrations. Most of them are based on the principles of liquid / fluid mechanics. For example, when used in mines, they are characterized by large air volume, high wind speed, and high energy consumption. Diffusers are important auxiliary devices of the main ventilators, and their fluid dynamics performance has a great influence on the energy consumption of the main ventilators. For example, in wastewater treatment, the underwater air distribution device for aeration of aerobic biological treatment is matched with a blower, and its performance will directly affect the effect of biological treatment, oxygen transfer rate and power efficiency.

[0003] When the existing diffuser is in use, the mouth is not firmly supported due to the large force strength of the pipe mouth, the interface between the support strip and the inner wall is easy to break, the mouth is easy to deform, which is not conducive to long-term use, and the filter screen is low in strength and easily variable in force. Summary of the invention

[0004] The purpose of the present invention is to provide a high-strength diffuser, which can effectively improve the strength of the diffuser pipe mouth, the support rod is stable, not easy to break, easy to disassemble and install, and the filter screen has high overall strength and is not easy to deform, so as to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a high-strength diffuser, comprising a movable cover, a fixed cover, a bottom cover, a first grid layer, a second grid layer and a third grid layer, a first through hole is opened at the center of the movable cover, three groups of countersunk holes arranged in a circular array are opened on the central side of the movable cover and the central side of the bottom cover, a sleeve is arranged in the first through hole, three groups of guide grooves arranged in a circular array are opened on the inner wall of the sleeve, a clamping groove is arranged between the side wall of the sleeve and the inner wall of the movable cover, the countersunk hole runs through the clamping groove, three groups of sliding grooves arranged in a circular array are opened on the inner wall of the movable cover and the inner wall of the bottom cover, a second through hole is opened at the center of the fixed cover, a supporting mechanism is welded and fixed in the second through hole, three groups of guide blocks arranged in a circular array are arranged on the outer wall of the fixed cover, and the guide blocks are slidably mounted on the inner wall of the movable cover. Installed inside the guide groove, the inner wall of the first grid layer is welded and fixed to the outer wall of the second grid layer through the first connecting plate, and the side of the second grid layer away from the first grid layer is welded and fixed to the outer wall of the third grid layer through the second connecting plate, two groups of annular plates are welded at both ends of the first grid layer, the second grid layer and the third grid layer, respectively, and the sides of the two groups of annular plates are provided with three groups of sliders arranged in an annular array, and the sliders are slidably installed inside the slide groove, and the central sides of the two groups of annular plates are provided with three groups of first threaded rods arranged in an annular array, six groups of the first threaded rods respectively penetrate the six groups of countersunk holes, and six groups of first nuts are respectively threadedly connected to the six groups of the first threaded rods, and the six groups of the first nuts are installed in the six groups of countersunk holes through the six groups of first threaded rods, and the central side of the bottom cover is welded and fixed with three groups of second threaded rods arranged in an annular array.

[0006] Preferably, the supporting mechanism comprises three groups of fixed tubes and triangular supporting rods, the side walls of the three groups of fixed tubes are welded and fixed in the second through hole, the three groups of fixed tubes are arranged in a circular array, the side walls of the three groups of fixed tubes are respectively welded and fixed to the three ends of the triangular supporting rods, and the upper ends of the three groups of fixed tubes are provided with expansion grooves near the tube openings.

[0007] Preferably, one end of the three groups of second threaded rods passes through the three groups of fixing tubes respectively, and the three groups of second threaded rods are all threadedly connected with second nuts, and the second nuts are installed in the expansion grooves through the second threaded rods.

[0008] Preferably, the side wall of the slider and the inner wall of the slide groove are slidably matched with each other, and the gap is no greater than 0.01 mm.

[0009] Preferably, the side wall of the guide block and the inner wall of the guide groove are slidably matched with each other, and the gap is no greater than 0.01 mm.

[0010] Preferably, the length of the sleeve is the same as the height of the movable cover, and the length of the sleeve is set to 1.5 cm.

[0011] Preferably, the meshes of the first mesh layer are configured as diamond meshes, the meshes of the second mesh layer are configured as circular meshes, and the meshes of the third mesh layer are configured as strip meshes.

[0012] Preferably, the lengths of the first connecting plate and the second connecting plate are arranged to be the same as the heights of the first grid layer, the second grid layer and the third grid layer.

[0013] In summary, due to the adoption of the above technology, the beneficial effects of the present invention are:

[0014] In the present invention, by using the first connecting plate, the second connecting plate and two groups of annular plates, the overall strength of the first grid layer, the second grid layer and the third grid layer can be improved, and they are not easily deformed. By using the guide block, the guide groove, the slider and the slide groove in coordination and fixing with nuts, the installation and disassembly of the diffuser is convenient.

[0015] In the present invention, by using a fixed cover, the thickness of the diffuser can be increased, the strength of the pipe mouth can be improved, and it is not easy to deform. By using a supporting mechanism, the pipe mouth can be stably supported, so that the pipe mouth structure of the diffuser is stable and not easy to be damaged. The fixing cover can be simply and conveniently disassembled and installed by cooperating with the second nut and the second threaded rod, which facilitates the maintenance of the diffuser and the replacement of components. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of a high-strength diffuser of the present invention;

[0018] Figure 2 A schematic top view of a movable cover of a high-strength diffuser according to the present invention;

[0019] Figure 3 A bottom view schematic diagram of a movable cover of a high-strength diffuser of the present invention;

[0020] Figure 4 A schematic top view of a fixing cover of a high-strength diffuser according to the present invention;

[0021] Figure 5 A bottom view schematic diagram of a fixing cover of a high-strength diffuser of the present invention;

[0022] Figure 6A high-strength diffuser of the present invention Figure 4 A schematic diagram of the enlarged structure of the middle part A;

[0023] Figure 7 It is a schematic top view of a first threaded rod of a high-strength diffuser of the present invention;

[0024] Figure 8 A schematic top view of a second threaded rod of a high-strength diffuser according to the present invention;

[0025] Fig. 9 The figure is a top view schematically showing a first connecting rod of a high-strength diffuser according to the present invention.

[0026] In the figure: 1, movable cover; 2, fixed cover; 3, bottom cover; 4, first grid layer; 5, second grid layer; 6, third grid layer; 7, first through hole; 8, countersunk hole; 9, sleeve; 10, guide groove; 11, clamping groove; 12, slide groove; 13, second through hole; 14, supporting mechanism; 15, guide block; 16, first connecting plate; 17, second connecting plate; 18, slider; 19, first threaded rod; 20, first nut; 21, second threaded rod; 22, fixed tube; 23, triangular support rod; 24, buckle groove; 25, second nut; 26, annular plate.

[0027] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0031] In the description of the present invention, it is necessary to understand that the orientations or positional relationships indicated by terms such as “longitudinal”, “up”, “down”, “left”, “right”, “top”, “bottom”, “inside” and “outside” are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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 on the present invention.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0033] The present invention provides Figure 1-9A high-strength diffuser shown in the figure comprises a movable cover 1, a fixed cover 2, a bottom cover 3, a first grid layer 4, a second grid layer 5 and a third grid layer 6, wherein a first through hole 7 is provided at the center of the movable cover 1, three groups of countersunk holes 8 arranged in an annular array are provided at the center side of the movable cover 1 and the center side of the bottom cover 3, a sleeve 9 is provided in the first through hole 7, three groups of guide grooves 10 arranged in an annular array are provided on the inner wall of the sleeve 9, and the side wall of the sleeve 9 is aligned with the side wall of the movable cover 1. A card slot 11 is provided between the inner walls, the countersunk hole 8 passes through the card slot 11, the side of the annular plate 26 is fitted with the bottom of the card slot 11, three groups of slide grooves 12 arranged in an annular array are provided on the inner wall of the movable cover 1 and the inner wall of the bottom cover 3, a second through hole 13 is provided at the center of the fixed cover 2, a support mechanism 14 is welded and fixed in the second through hole 13, three groups of guide blocks 15 arranged in an annular array are provided on the outer wall of the fixed cover 2, and the guide blocks 15 are slidably arranged. Installed inside the guide groove 10, the inner wall of the first grid layer 4 is welded and fixed to the outer wall of the second grid layer 5 through the first connecting plate 16, and the side of the second grid layer 5 away from the first grid layer 4 is welded and fixed to the outer wall of the third grid layer 6 through the second connecting plate 17. Two groups of annular plates 26 are welded to the two ends of the first grid layer 4, the second grid layer 5 and the third grid layer 6 respectively. The sides of the two groups of annular plates 26 are provided with three groups of sliders 18 arranged in an annular array. The sliders 18 are slidably installed in the inside of the slide groove 12. The central side of the two groups of annular plates 26 is provided with three groups of first threaded rods 19 arranged in an annular array. The six groups of the first threaded rods 19 are respectively penetrated through the six groups of the countersunk holes 8. The six groups of the first threaded rods 19 are respectively threadedly connected with six groups of first nuts 20. The six groups of the first nuts 20 are installed in the six groups of countersunk holes 8 through the six groups of first threaded rods 19. The central side of the bottom cover 3 is welded and fixed with three groups of second threaded rods 21 arranged in an annular array.

[0034] Specifically, the support mechanism 14 includes three groups of fixed tubes 22 and triangular support rods 23. The side walls of the three groups of fixed tubes 22 are welded and fixed in the second through hole 13. The three groups of fixed tubes 22 are arranged in a circular array. The side walls of the three groups of fixed tubes 22 are respectively welded and fixed to the three ends of the triangular support rods 23. The upper ends of the three groups of fixed tubes 22 are adjacent to the pipe openings and expansion grooves 24 are provided to improve the strength of the diffuser pipe opening, provide more stable support, and are not easily damaged by force.

[0035] Specifically, one end of the three groups of the second threaded rods 21 respectively penetrates the three groups of fixing tubes 22 , and the three groups of the second threaded rods 21 are all threadedly connected with the second nuts 25 , and the second nuts 25 are installed in the expansion grooves 24 through the second threaded rods 21 .

[0036] Specifically, the side wall of the slider 18 and the inner wall of the slide groove 12 are slidably matched, and the gap is no more than 0.01 mm, so that the slider 18 can slide stably in the slide groove 12.

[0037] Specifically, the side wall of the guide block 15 and the inner wall of the guide groove 10 are slidably matched with each other, and the gap is no greater than 0.01 mm, so that the guide block 15 can slide stably in the guide groove 10 .

[0038] Specifically, the length of the sleeve 9 is the same as the height of the movable cover 1, and the length of the sleeve 9 is set to 1.5 cm.

[0039] Specifically, the meshes of the first mesh layer 4 are set as diamond meshes, the meshes of the second mesh layer 5 are set as circular meshes, and the meshes of the third mesh layer 6 are set as strip meshes.

[0040] Specifically, the lengths of the first connecting plate 16 and the second connecting plate 17 are set to be the same as the heights of the first grid layer 4 , the second grid layer 5 and the third grid layer 6 , which can improve the overall strength of the first grid layer 4 , the second grid layer 5 and the third grid layer 6 .

[0041] Working principle: Through the use of the first connecting plate 16, the second connecting plate 17 and the two groups of annular plates 26, the overall strength of the first grid layer 4, the second grid layer 5 and the third grid layer 6 can be improved, and they are not easy to deform. Through the coordinated use of the guide block 15, the guide groove 10, the slider 18 and the slide groove 12, and fixed by the first nut 20 and the first threaded rod 19, the installation and disassembly of the diffuser are convenient. Through the use of the fixed cover 2, the thickness of the diffuser can be increased, the strength of the pipe mouth can be improved, and it is not easy to deform. Through the use of the support mechanism 14, the pipe mouth can be stably supported, so that the pipe mouth structure of the diffuser is stable and not easy to damage. Through the cooperation of the second nut 25 and the second threaded rod 21, the fixed cover 2 can be simply and conveniently disassembled and installed, which is convenient for diffuser maintenance and component replacement.

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high-strength diffuser, comprising a movable cover (1), a fixed cover (2), a bottom cover (3), a first mesh layer (4), a second mesh layer (5) and a third mesh layer (6), characterized in that: A first through hole (7) is provided at the center of the movable cover (1); three groups of countersunk holes (8) arranged in a circular array are provided on the center side of the movable cover (1) and the center side of the bottom cover (3); a sleeve (9) is provided in the first through hole (7); three groups of guide grooves (10) arranged in a circular array are provided on the inner wall of the sleeve (9); a slot (11) is provided between the side wall of the sleeve (9) and the inner wall of the movable cover (1); the countersunk hole (8) passes through the slot (11); The inner wall of the movable cover (1) and the inner wall of the bottom cover (3) are both provided with three groups of slide grooves (12) arranged in an annular array, a second through hole (13) is provided at the center of the fixed cover (2), a support mechanism (14) is welded and fixed in the second through hole (13), three groups of guide blocks (15) arranged in an annular array are provided on the outer wall of the fixed cover (2), the guide blocks (15) are slidably mounted inside the guide grooves (10), and the inner wall of the first grid layer (4) is connected to the first grid layer (4) through a first connecting plate (16). The outer wall of the second mesh layer (5) is welded and fixed; the side of the second mesh layer (5) away from the first mesh layer (4) is welded and fixed to the outer wall of the third mesh layer (6) via a second connecting plate (17); two groups of annular plates (26) are welded at both ends of the first mesh layer (4), the second mesh layer (5) and the third mesh layer (6); the sides of the two groups of annular plates (26) are each provided with three groups of sliders (18) arranged in an annular array; the sliders (18) are slidably mounted inside the slide groove (12); the two groups The central side of the annular plate (26) is provided with three groups of first threaded rods (19) arranged in an annular array, the six groups of the first threaded rods (19) respectively penetrate the six groups of the countersunk holes (8), the six groups of the first threaded rods (19) are respectively threadedly connected with six groups of first nuts (20), the six groups of the first nuts (20) are installed in the six groups of countersunk holes (8) through the six groups of first threaded rods (19), and the central side of the bottom cover (3) is welded and fixed with three groups of second threaded rods (21) arranged in an annular array; The support mechanism (14) comprises three groups of fixed tubes (22) and triangular support rods (23); the side walls of the three groups of fixed tubes (22) are welded and fixed in the second through holes (13); the three groups of fixed tubes (22) are arranged in a circular array; the side walls of the three groups of fixed tubes (22) are respectively welded and fixed to three ends of the triangular support rods (23); and the upper ends of the three groups of fixed tubes (22) are provided with expansion grooves (24) adjacent to the tube openings; One end of the three groups of the second threaded rods (21) respectively penetrates through the three groups of fixed tubes (22); the three groups of the second threaded rods (21) are all threadedly connected with second nuts (25); the second nuts (25) are installed in the expansion buckle grooves (24) through the second threaded rods (21); The side wall of the sliding block (18) and the inner wall of the sliding groove (12) are slidably matched with each other in a clearance, and the clearance is no greater than 0.01 mm.

2. A high strength diffuser according to claim 1, characterized in that: The side wall of the guide block (15) and the inner wall of the guide groove (10) are slidably matched with each other in a clearance, and the clearance is no greater than 0.01 mm.

3. A high strength diffuser according to claim 1, characterized in that: The length of the sleeve (9) is the same as the height of the movable cover (1), and the length of the sleeve (9) is set to 1.5 cm.

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