Shaft end driving sealing device for large-flux internal inflow grillage machine

Abstract

The shaft end driving sealing device comprises a sealing shaft sleeve and a shaft tube assembly, the sealing shaft sleeve is arranged on the outer surface of the shaft tube assembly in a sealing and wrapping mode, and the sealing shaft sleeve comprises an outer shaft sleeve, an outer shaft sleeve sealing plate, a sealing chuck and an inner shaft sleeve. Clamping groove structures are arranged in the outer shaft sleeve, the outer shaft sleeve sealing plate, the sealing chuck and the inner shaft sleeve, a shaft inner pipe is arranged in the center of the interior of the shaft pipe assembly, the outer surface of the shaft inner pipe is wrapped with a sealing shaft ring, an annular groove is formed in the outer surface of the sealing shaft ring, and a sealing ring is arranged on the inner surface of the sealing chuck in an attached mode. And the sealing ring and the annular groove are correspondingly attached and fixed. The driving shaft end of the internal inflow grillage machine is designed in a sealing and protecting mode, multi-layer sealing protection can be carried out on the shaft end, good waterproof and dustproof protection effects are achieved, meanwhile, a shaft end assembly can be tightly connected and fixed, and therefore safe and stable operation of the shaft end is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of shaft end accessories of grille machines, in particular to a shaft end driving sealing device for large-flux internal-inflow grille machines. Background Art

[0002] Internal inlet screen decontamination machine is widely used in sewage treatment plants, water plants, industrial sewage treatment plants, etc. Figure 1 As shown, its working principle is to drive the sprocket to rotate through the driving motor, and the sprocket drives the mesh plate to rotate continuously. The sewage enters the grille from the water inlet and is filtered by the mesh plate. The filtered water flows to the outside of the mesh plate, and the dirt is intercepted on the inner surface of the same plate, which can achieve a good decontamination effect and can intercept and remove debris and floating objects in the water.

[0003] At present, when the internal flow screen dirt remover is driven, its driving shaft end is prone to water leakage and seepage due to poor sealing protection performance, which leads to mechanical failure of the shaft end. Therefore, it is necessary to develop a shaft end driving sealing device for a large-flux internal flow screen machine to solve the above-mentioned technical problems. Utility Model Content

[0004] The purpose of the utility model is to provide a shaft end driving sealing device for a large-flux internal flow grille machine, so as to solve the problem that when the internal flow grille dirt remover proposed in the above background technology is driving, its driving shaft end is prone to water leakage and seepage due to poor sealing protection performance, thereby causing mechanical failure of the shaft end.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shaft end drive sealing device for a large-flux internal inlet grid machine, comprising a sealing sleeve and a shaft tube assembly, the sealing sleeve is sealingly wrapped and arranged on the outer surface of the shaft tube assembly, the sealing sleeve comprises an outer sleeve, an outer sleeve sealing plate, a sealing chuck and an inner sleeve, the outer sleeve, the outer sleeve sealing plate, the sealing chuck and the inner sleeve are all provided with a groove structure, an inner tube is provided at the inner center of the shaft tube assembly, the outer surface of the inner tube is wrapped with a sealing shaft ring, the outer surface of the sealing shaft ring is provided with an annular groove, the inner surface of the sealing chuck is fitted with a sealing ring, and the sealing ring and the annular groove are correspondingly fitted and fixed.

[0006] Preferably, the outer sleeve is fixed to the inner slot structure of the outer sleeve sealing plate via a clamping joint, and the outer sleeve is tightly fitted and fixed to the outer sleeve sealing plate.

[0007] Preferably, the outer shaft sleeve sealing plate is clamped and fixed with the internal clamping groove structure of the sealing chuck through a clamping joint, and the outer shaft sleeve sealing plate and the sealing chuck are tightly fitted and fixed.

[0008] Preferably, the inner sleeve is fitted in an internal slot structure of the outer sleeve, and the inner sleeve is tightly fitted and fixed to the outer surface of the shaft tube assembly through the slot structure.

[0009] Preferably, the outer surface of the inner shaft tube is respectively fitted with a bearing component, a shaft ring sleeve and a shaft head connecting component.

[0010] Preferably, the shaft ring sleeve is tightly fitted and fixed to the inner surface wall of the inner shaft sleeve, and the bearing component and the shaft ring sleeve are fixedly connected by snap-fitting.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) The utility model adopts a sealing protection design for the driving shaft end of the inner inlet grille machine, which can provide multi-layer sealing protection for the shaft end, achieve good waterproof and dustproof protection effects, and at the same time, the shaft end assembly can be tightly connected and fixed, thereby ensuring the safe and stable operation of the shaft end;

[0013] (2) By providing a sealing sleeve and a shaft tube assembly, the various components of the sealing sleeve can be conveniently snap-fitted and combined to form a quick and sealed connection into an integral structure, thereby better fitting and fixing with the outer surface of the shaft tube assembly. At the same time, a convenient sealing protection design is provided for the interior of the shaft tube assembly. By providing a plurality of sealing fitting protection structures, the exterior of the inner tube of the shaft can be quickly sealed and protected. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the inner inlet grid dirt remover;

[0015] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the explosion decomposition structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the internal installation structure of the utility model.

[0018] In the figure: 1. shaft tube assembly; 2. sealing sleeve; 3. outer sleeve; 4. shaft head connector; 5. outer sleeve sealing plate; 6. sealing ring; 7. sealing chuck; 8. slot structure; 9. inner sleeve; 10. shaft ring sleeve; 11. bearing member; 12. inner tube of shaft; 13. sealing shaft ring; 14. annular groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] See also Figure 2-4 The utility model provides an embodiment: a shaft end drive sealing device for a large-flux internal inlet grid machine, comprising a sealing sleeve 2 and a shaft tube assembly 1, the sealing sleeve 2 is sealingly wrapped and arranged on the outer surface of the shaft tube assembly 1, the sealing sleeve 2 comprises an outer sleeve 3, an outer sleeve sealing plate 5, a sealing chuck 7 and an inner sleeve 9, the outer sleeve 3, the outer sleeve sealing plate 5, the sealing chuck 7 and the inner sleeve 9 are all provided with a groove structure 8, an inner shaft tube 12 is provided at the inner center of the shaft tube assembly 1, the outer surface of the inner shaft tube 12 is wrapped with a sealing collar 13, the outer surface of the sealing collar 13 is provided with an annular groove 14, the inner surface of the sealing chuck 7 is fitted with a sealing ring 6, and the sealing ring 6 and the annular groove 14 are correspondingly fitted and fixed.

[0021] Furthermore, the outer sleeve 3 is clamped and fixed to the internal clamping groove structure 8 of the outer sleeve sealing plate 5 through the clamping joint 15, and the outer sleeve 3 and the outer sleeve sealing plate 5 are tightly fitted and fixed, which facilitates the rapid sealing installation and fixation between the outer sleeve 3 and the outer sleeve sealing plate 5.

[0022] Furthermore, the outer sleeve sealing plate 5 is clamped and fixed to the internal clamping groove structure 8 of the sealing chuck 7 through the clamping joint 15, and the outer sleeve sealing plate 5 and the sealing chuck 7 are tightly fitted and fixed, which facilitates quick sealing installation and fixation between the outer sleeve sealing plate 5 and the sealing chuck 7.

[0023] Furthermore, the inner sleeve 9 is fitted in the internal slot structure 8 of the outer sleeve 3, and the inner sleeve 9 is tightly fitted and fixed to the outer surface of the shaft tube assembly 1 through the slot structure 8, which facilitates the rapid sealing, installation and fixation between the inner sleeve 9 and the outer sleeve 3, and at the same time, the inner sleeve 9 can be tightly fitted and fixed to the shaft tube assembly 1.

[0024] Furthermore, the outer surface of the shaft inner tube 12 is respectively fitted with a bearing component 11 , a shaft ring sleeve 10 and a shaft head connecting component 4 .

[0025] Furthermore, the shaft ring sleeve 10 is tightly fitted and fixed to the inner surface wall of the inner shaft sleeve 9, and the bearing member 11 and the shaft ring sleeve 10 are fixedly connected by snap-fitting, so that the outer surface of the shaft inner tube 12 can be sealed and protected.

[0026] Working principle: When in use, the sealing sleeve 2 is sealed and wrapped and arranged on the outer surface of the shaft tube assembly 1. The sealing sleeve 2 includes an outer sleeve 3, an outer sleeve sealing plate 5, a sealing chuck 7 and an inner sleeve 9. The outer sleeve 3, the outer sleeve sealing plate 5, the sealing chuck 7 and the inner sleeve 9 are all provided with a card groove structure 8. The outer sleeve 3 is fixedly connected with the inner card groove structure 8 of the outer sleeve sealing plate 5 through a card joint 15. The outer sleeve 3 and the outer sleeve sealing plate 5 are tightly fitted and fixed, which is convenient for quick connection between the outer sleeve 3 and the outer sleeve sealing plate 5. The outer sleeve sealing plate 5 is fixedly connected with the inner groove structure 8 of the sealing chuck 7 by the clamping joint 15, and the outer sleeve sealing plate 5 and the sealing chuck 7 are tightly fitted and fixed, which is convenient for the quick sealing installation and fixation between the outer sleeve sealing plate 5 and the sealing chuck 7. The inner sleeve 9 is tightly arranged in the inner groove structure 8 of the outer sleeve 3, and the inner sleeve 9 is tightly fitted and fixed with the outer surface of the shaft tube assembly 1 by the groove structure 8, which is convenient for the quick sealing installation and fixation between the inner sleeve 9 and the outer sleeve 3. The inner shaft sleeve 9 is tightly fitted and fixed to the shaft tube assembly 1. By providing a sealing shaft sleeve 2 and a shaft tube assembly 1, the various components of the sealing shaft sleeve 2 can be conveniently snap-fitted and combined to be quickly sealed and connected into an integral structure, so that it can be better fit and fixed to the outer surface of the shaft tube assembly 1, and at the same time, a convenient sealing and protection design is provided for the interior of the shaft tube assembly 1. The outer surface of the shaft inner tube 12 is respectively fitted with a bearing member 11, a shaft ring sleeve 10 and a shaft head connecting member 4. The shaft ring sleeve 10 is tightly fitted and fixed to the inner surface wall of the inner shaft sleeve 9. The bearing member 11 and the shaft ring sleeve 10 are fixedly connected by snap-fitting, and a sealing and protection design can be provided for the outer surface of the shaft inner tube 12. By providing multiple sealing and fitting protection structures, the outside of the shaft inner tube 12 can be quickly sealed and fitted for protection. By designing a sealing and protective design for the driving shaft end of the inner inlet grille machine, the shaft end can be provided with multi-layer sealing protection, which has a good waterproof and dustproof protection effect. At the same time, the shaft end assembly can be tightly connected and fixed, thereby ensuring the safe and stable operation of the shaft end.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. 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 these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A shaft end drive sealing device for a large-flux internal inlet grid machine, characterized in that: The invention comprises a sealing sleeve (2) and a shaft tube assembly (1), wherein the sealing sleeve (2) is sealingly wrapped on the outer surface of the shaft tube assembly (1), and the sealing sleeve (2) comprises an outer sleeve (3), an outer sleeve sealing plate (5), a sealing chuck (7) and an inner sleeve (9), and a groove structure (8) is arranged inside the outer sleeve (3), the outer sleeve sealing plate (5), the sealing chuck (7) and the inner sleeve (9), and an inner tube (12) is arranged at the inner center of the shaft tube assembly (1), and a sealing collar (13) is wrapped on the outer surface of the inner tube (12), and an annular groove (14) is arranged on the outer surface of the sealing collar (13), and a sealing ring (6) is fitted on the inner surface of the sealing chuck (7), and the sealing ring (6) and the annular groove (14) are fitted and fixed correspondingly.

2. The shaft end drive sealing device for a large flux internal inlet grid machine according to claim 1, characterized in that: The outer shaft sleeve (3) is clamped and fixed with the internal clamping groove structure (8) of the outer shaft sleeve sealing plate (5) via a clamping joint (15), and the outer shaft sleeve (3) and the outer shaft sleeve sealing plate (5) are tightly fitted and fixed.

3. The shaft end drive sealing device for a large flux internal inlet grid machine according to claim 1, characterized in that: The outer shaft sleeve sealing plate (5) is clamped and fixed with the internal clamping groove structure (8) of the sealing chuck (7) via a clamping joint (15), and the outer shaft sleeve sealing plate (5) and the sealing chuck (7) are tightly fitted and fixed.

4. The shaft end drive sealing device for a large flux internal inlet grid machine according to claim 1, characterized in that: The inner shaft sleeve (9) is arranged in a snug fit in the internal slot structure (8) of the outer shaft sleeve (3), and the inner shaft sleeve (9) is tightly snugly fixed to the outer surface of the shaft tube assembly (1) via the slot structure (8).

5. The shaft end drive sealing device for a large flux internal inlet grid machine according to claim 1, characterized in that: The outer surface of the shaft inner tube (12) is fitted with a bearing component (11), a shaft ring sleeve (10) and a shaft head connecting component (4).

6. The shaft end drive sealing device for a large flux internal inlet grid machine according to claim 5, characterized in that: The shaft ring sleeve (10) is tightly fitted and fixed to the inner surface wall of the inner shaft sleeve (9), and the bearing component (11) and the shaft ring sleeve (10) are fixedly connected by snap-fitting.

Images