CN211737570U

CN211737570U - High-strength diffuser

Info

Publication number: CN211737570U
Application number: CN202020262501.8U
Authority: CN
Inventors: 余志山
Original assignee: Hangzhou Rantechnetium Purification Technology Co ltd
Current assignee: Hangzhou Rantechnetium Purification Technology Co ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-10-23
Anticipated expiration: 2030-03-06

Abstract

The utility model discloses a high strength diffuser, including movable cover, fixed lid, bottom, first net layer, second net layer and third net layer, the central point of movable cover puts the department and has seted up first through-hole, the counter sink that three annular array of group were arranged is all seted up to the central lateral part of movable cover and the central lateral part of bottom, be provided with the sleeve pipe in the first through-hole, set up the guide way that three annular array of group were arranged on the sheathed tube inner wall, six groups first threaded rod runs through respectively in six groups the counter sink, six groups threaded connection has six first nuts of group, six groups respectively on the first threaded rod first nut is installed in six groups of counter sink through six first threaded rods, the central lateral part welded fastening of bottom has the second threaded rod that three annular array of group were arranged. The utility model discloses can effectual improvement diffuser mouth of pipe intensity, the bracing piece supports stably, difficult fracture, convenient to detach and installation to filter screen bulk strength is high, non-deformable.

Description

High-strength diffuser

Technical Field

The utility model relates to a diffuser technical field, concretely relates to high strength diffuser.

Background

Diffusers come in many forms and uses. The aim is to diffuse substances with high molecular concentration into parts or media with low molecular concentration, and the principle is mostly carried out by adopting the liquid/fluid mechanics principle. For example, the wind power generation device is used in a mine and is characterized by large wind volume, high wind speed and large energy consumption; the diffuser is an important accessory of the main ventilator, and the fluid dynamic performance of the diffuser has a large influence on the energy consumption of the main ventilator. For example, in wastewater treatment, the aerobic biological treatment air blast aeration underwater air distribution oxygenation device is matched with an air blower, and the good performance of the device directly influences the biological treatment effect, the oxygen transfer rate and the power efficiency.

When the existing diffuser is used, the stress strength of the pipe orifice is high, the mouth part is not firmly supported, the supporting strip and the interface of the inner wall are easy to break, the mouth part is easy to deform and is not beneficial to long-term use, and the stress is easy to deform due to the low strength of the filter screen.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength diffuser can effectual improvement diffuser mouth of pipe intensity, and the bracing piece supports stably, difficult fracture, convenient to detach and installation to filter screen bulk strength is high, non-deformable, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the present invention provides 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 central position of the movable cover is provided with a first through hole, central side portions of the movable cover and the bottom cover are respectively provided with three sets of counter bores arranged in an annular array, the first through hole is internally provided with a sleeve, inner walls of the sleeve are provided with three sets of guide grooves arranged in an annular array, a clamping groove is arranged between a side wall of the sleeve and an inner wall of the movable cover, the counter bores penetrate through the clamping groove, the inner walls of the movable cover and the bottom cover are respectively provided with three sets of chutes arranged in an annular array, the central position of the fixed cover is provided with a second through hole, a support mechanism is fixedly welded in the second through hole, the outer wall of the fixed cover is provided with three sets of guide blocks arranged in an annular array, the guide block is slidably mounted inside the guide groove, the inner wall of the first grid layer is welded and fixed with the outer wall of the second grid layer through the first connecting plate, one side, far away from the first grid layer, of the second grid layer is welded and fixed with the outer wall of the third grid layer through the second connecting plate, two groups of annular plates are welded at two ends of the first grid layer, the second grid layer and the third grid layer respectively, three groups of sliders arranged in annular arrays are arranged on the lateral portions of the two groups of annular plates, the sliders are slidably mounted inside the sliding groove, three groups of first threaded rods arranged in annular arrays are arranged on the central lateral portions of the two groups of annular plates, six groups of first threaded rods penetrate through six groups of countersunk holes respectively, six groups of first nuts are in threaded connection on the first threaded rods respectively, and the six groups of first threaded rods are mounted in the six groups of countersunk holes through the six groups of first threaded rods, and three groups of second threaded rods arranged in an annular array are fixedly welded on the central side part of the bottom cover.

Preferably, the supporting mechanism includes three fixed pipes of group and triangle bracing piece, three groups the equal welded fastening of lateral wall of fixed pipe is in the second through-hole, three groups fixed pipe is the annular array and arranges, three groups the lateral wall of fixed pipe respectively with the three-terminal welded fastening of triangle bracing piece, three groups the neighbouring nozzle department in upper end of fixed pipe has all seted up the diffusion catching groove.

Preferably, three sets of the one end of second threaded rod runs through respectively in three fixed pipes of group, three groups equal threaded connection has the second nut on the second threaded rod, the second nut passes through the second threaded rod and installs in expanding the catching groove.

Preferably, the side wall of the sliding block is in clearance sliding fit with the inner wall of the sliding groove, and the clearance is not larger than 0.01 mm.

Preferably, the side wall of the guide block is in clearance sliding fit with the inner wall of the guide groove, and the clearance is not more than 0.01 mm.

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 be 1.5 cm.

Preferably, the meshes of the first grid layer are rhombic meshes, the meshes of the second grid layer are circular meshes, and the meshes of the third grid layer are strip-shaped meshes.

Preferably, the lengths of the first connecting plate and the second connecting plate are the same as the heights of the first grid layer, the second grid layer and the third grid layer.

To sum up, owing to adopted above-mentioned technique, the beneficial effects of the utility model are that:

the utility model discloses in, through the use of first connecting plate, second connecting plate and two sets of annular slabs, can improve the bulk strength on first net layer, second net layer and third net layer, non-deformable uses through the cooperation of guide block, guide way, slider and spout to it is fixed through the nut, makes things convenient for the installation and the dismantlement of diffuser.

The utility model discloses in, through the use of fixed lid, can increase the gateway thickness of diffuser, improve orificial intensity, non-deformable to use through supporting mechanism can carry out stable support to the mouth of pipe, make the mouth of pipe stable in structure of diffuser, it is not fragile, and through second nut and the cooperation of second threaded rod can be simple and convenient dismantle the fixed lid and install, make things convenient for the change of diffuser maintenance and subassembly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a high-strength diffuser according to the present invention;

FIG. 2 is a schematic top view of a removable cover of a high strength diffuser according to the present invention;

fig. 3 is a schematic bottom view of a movable cover of a high-strength diffuser according to the present invention;

fig. 4 is a schematic top view of a fixing cover of a high-strength diffuser according to the present invention;

fig. 5 is a schematic bottom view of a fixing cover of a high-strength diffuser according to the present invention;

fig. 6 is an enlarged schematic view of a portion a of the high-strength diffuser of the present invention shown in fig. 3;

fig. 7 is a schematic top view of a first threaded rod of a high strength diffuser according to the present invention;

fig. 8 is a schematic top view of a second threaded rod of a high strength diffuser according to the present invention;

fig. 9 is a top view of a first connecting rod of a high strength diffuser according to the present invention.

In the figure: 1. a movable cover; 2. a fixed cover; 3. a bottom cover; 4. a first mesh layer; 5. a second mesh layer; 6. a third mesh layer; 7. a first through hole; 8. a countersunk hole; 9. a sleeve; 10. a guide groove; 11. a card slot; 12. a chute; 13. a second through hole; 14. a support mechanism; 15. a guide block; 16. a first connecting plate; 17. a second connecting plate; 18. a slider; 19. a first threaded rod; 20. a first nut; 21. a second threaded rod; 22. a fixed tube; 23. a triangular support bar; 24. expanding a buckle slot; 25. a second nut; 26. an annular plate.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "longitudinal", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a high-strength diffuser as shown in figures 1-9, which 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 arranged at the central position of the movable cover 1, three groups of counter sink holes 8 arranged in an annular array are respectively arranged at the central side part of the movable cover 1 and the central side part of the bottom cover 3, a sleeve 9 is arranged in the first through hole 7, three groups of guide grooves 10 arranged in an annular array are arranged on the inner wall of the sleeve 9, a clamping groove 11 is arranged between the side wall of the sleeve 9 and the inner wall of the movable cover 1, the counter sink holes 8 penetrate through the clamping groove 11, the side part of an annular plate 26 is attached to the bottom part of the clamping groove 11, three groups of chutes 12 arranged in an annular array are respectively arranged on the inner wall of the movable cover 1 and the inner wall of the bottom cover 3, a second through hole 13 is arranged at the central position of, a supporting mechanism 14 is welded and fixed in the second through hole 13, three groups of guide blocks 15 arranged in an annular array are arranged on the outer wall of the fixed cover 2, the guide blocks 15 are slidably mounted in the guide groove 10, the inner wall of the first grid layer 4 is welded and fixed with the outer wall of the second grid layer 5 through a first connecting plate 16, one side of the second grid layer 5 far away from the first grid layer 4 is welded and fixed with the outer wall of the third grid layer 6 through a second connecting plate 17, two groups of annular plates 26 are respectively welded at two ends of the first grid layer 4, the second grid layer 5 and the third grid layer 6, three groups of sliders 18 arranged in an annular array are arranged at the side parts of the two groups of annular plates 26, the sliders 18 are slidably mounted in the sliding groove 12, three groups of first threaded rods 19 arranged in an annular array are arranged at the central side parts of the two groups of annular plates 26, and six groups of first threaded rods 19 respectively penetrate through six groups of countersunk holes 8, six groups of first nuts 20 are respectively connected to the six groups of first threaded rods 19 in a threaded manner, the six groups of first nuts 20 are installed in the six groups of counter bores 8 through the six groups of first threaded rods 19, and three groups of second threaded rods 21 arranged in an annular array are fixedly welded to the central side portion of the bottom cover 3.

Specifically, supporting mechanism 14 includes three fixed pipes 22 of group and triangular support pole 23, three groups the equal welded fastening of lateral wall of fixed pipe 22 is three groups in second through-hole 13 fixed pipe 22 is the annular array and arranges, three groups fixed pipe 22's lateral wall respectively with the three-terminal welded fastening of triangular support pole 23, three groups the neighbouring nozzle department in upper end of fixed pipe 22 has all seted up and has expanded catching groove 24, can improve the orificial intensity of diffuser, improves more stable support, and the atress is not fragile.

Specifically, three sets the one end of second threaded rod 21 runs through respectively in three fixed pipes 22 of group, three groups equal threaded connection has second nut 25 on the second threaded rod 21, second nut 25 passes through second threaded rod 21 and installs in expanding catching groove 24.

Specifically, the side wall of the sliding block 18 is in clearance sliding fit with the inner wall of the sliding groove 12, and the clearance is not more than 0.01mm, so that the sliding block 18 can stably slide in the sliding groove 12.

Specifically, the side wall of the guide block 15 is in clearance sliding fit with the inner wall of the guide groove 10, and the clearance is not more than 0.01mm, so that the guide block 15 can stably slide in the guide groove 10.

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 be 1.5 cm.

Specifically, the meshes of the first grid layer 4 are arranged to be rhombic meshes, the meshes of the second grid layer 5 are arranged to be circular meshes, and the meshes of the third grid layer 6 are arranged to be strip-shaped meshes.

Specifically, the lengths of the first connecting plate 16 and the second connecting plate 17 are the same as the heights of the first mesh layer 4, the second mesh layer 5 and the third mesh layer 6, so that the overall strength of the first mesh layer 4, the second mesh layer 5 and the third mesh layer 6 can be improved.

The working principle is as follows: through the use of first connecting plate 16, second connecting plate 17 and two sets of annular plates 26, can improve first net layer 4, the bulk strength of second net layer 5 and third net layer 6, non-deformable, through guide block 15, guide way 10, slider 18 and spout 12's cooperation is used, and it is fixed through first nut 20 and first threaded rod 19, make things convenient for the installation and the dismantlement of diffuser, use through fixed lid 2, can increase the gateway thickness of diffuser, improve orificial intensity, non-deformable, and through supporting mechanism 14's use, can carry out stable support to the mouth of pipe, make the mouth of pipe stable structure of diffuser, it is not fragile, and can be simple and convenient dismantle and install fixed lid 2 through the cooperation of second nut 25 and second threaded rod 21, make things convenient for the change of diffuser maintenance and subassembly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should 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 formed in the center of the movable cover (1), three groups of counter bores (8) arranged in an annular array are formed in the center of the movable cover (1) and the center of the bottom cover (3), a sleeve (9) is arranged in the first through hole (7), three groups of guide grooves (10) arranged in an annular array are formed in the inner wall of the sleeve (9), a clamping groove (11) is formed between the side wall of the sleeve (9) and the inner wall of the movable cover (1), the counter bores (8) penetrate through the clamping groove (11), three groups of sliding grooves (12) arranged in an annular array are formed in the inner wall of the movable cover (1) and the inner wall of the bottom cover (3), a second through hole (13) is formed in the center of the fixed cover (2), a support mechanism (14) is fixedly welded in the second through hole (13), and three groups of guide blocks (15) arranged in an annular array are arranged on the outer wall of the fixed cover (2), the guide block (15) is slidably mounted inside the guide groove (10), the inner wall of the first grid layer (4) is fixedly welded with the outer wall of the second grid layer (5) through a first connecting plate (16), one side, far away from the first grid layer (4), of the second grid layer (5) is fixedly welded with the outer wall of the third grid layer (6) through a second connecting plate (17), two groups of annular plates (26) are welded at two ends of the first grid layer (4), the second grid layer (5) and the third grid layer (6) respectively, three groups of sliding blocks (18) arranged in an annular array are arranged on the lateral portions of the two groups of annular plates (26), the sliding blocks (18) are slidably mounted inside the sliding groove (12), three groups of first threaded rods (19) arranged in an annular array are arranged on the central lateral portions of the two groups of annular plates (26), and six groups of first threaded rods (19) respectively penetrate through six groups of countersunk holes (8), six groups of first nuts (20) are respectively connected to the six groups of first threaded rods (19) in a threaded manner, the six groups of first nuts (20) are installed in the six groups of counter bores (8) through the six groups of first threaded rods (19), and three groups of second threaded rods (21) which are arranged in an annular array manner are fixedly welded on the central side portion of the bottom cover (3).

2. The high intensity diffuser of claim 1 wherein: supporting mechanism (14) are including three fixed pipes of group (22) and triangular support pole (23), three groups the equal welded fastening of lateral wall of fixed pipe (22) is in second through-hole (13), three groups fixed pipe (22) are the annular array and arrange, three groups the lateral wall of fixed pipe (22) respectively with the three-terminal welded fastening of triangular support pole (23), three groups the neighbouring mouth of pipe department in upper end of fixed pipe (22) has all been seted up and has been expanded catching groove (24).

3. The high intensity diffuser of claim 2 wherein: and the one end of the second threaded rod (21) is respectively penetrated through three groups of fixed pipes (22), the second threaded rod (21) is provided with a second nut (25) in a threaded connection mode, and the second nut (25) is installed in the buckle expanding groove (24) through the second threaded rod (21).

4. The high intensity diffuser of claim 1 wherein: the side wall of the sliding block (18) is in clearance sliding fit with the inner wall of the sliding groove (12), and the clearance is not more than 0.01 mm.

5. The high intensity diffuser of claim 1 wherein: the side wall of the guide block (15) is in clearance sliding fit with the inner wall of the guide groove (10), and the clearance is not more than 0.01 mm.

6. The high intensity diffuser of claim 1 wherein: 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 be 1.5 cm.

7. The high intensity diffuser of claim 1 wherein: the meshes of the first grid layer (4) are rhombic meshes, the meshes of the second grid layer (5) are circular meshes, and the meshes of the third grid layer (6) are strip meshes.

8. The high intensity diffuser of claim 1 wherein: the lengths of the first connecting plate (16) and the second connecting plate (17) are the same as the heights of the first grid layer (4), the second grid layer (5) and the third grid layer (6).