Anti-falling impeller nut
By designing the structure of shaft, hexagonal groove, hexagonal rod, rod cover and fill ring in the impeller nut, the problem of the impeller nut loose and fall off due to equipment vibration is solved, achieving higher sealing and safety, ensuring the normal operation of the rotating equipment.
Patent Information
- Application Number
- CN202421804641.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-07-29
AI Technical Summary
After a long period of fixation, the impeller nut is easily loosened due to equipment vibration, causing falling off, which in turn causes problems such as high noise, serious vibration and impeller eccentricity, affecting the normal operation of the rotating equipment.
By designing the shaft, hexagonal groove, hexagonal rod, rod cover and fill ring on the impeller nut body, the hexagonal rod is embedded in the shaft, the filling ring restricts the hexagonal rod from sliding out, forming a fixation, and creating a sealing property through the extrusion of the filling ring, improving the sealing and safety of the impeller nut.
It effectively prevents the impeller nut from falling off, improves sealing and safety, reduces noise and vibration, and ensures the normal operation of the rotating equipment.
Smart Images
Figure CN222772477U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of impeller nuts, in particular to an anti-falling impeller nut. Background Art
[0002] At present, the impeller nut is a fastener used to connect the impeller and the shaft. It is commonly found in rotating equipment such as pumps, fans, and compressors. Its main function is to fix the impeller on the shaft to prevent relative rotation between the impeller and the shaft, while improving the sealing and safety of the impeller.
[0003] At present, the impeller nut is fixed on the shaft for a long time, which will become loose due to the vibration generated by the equipment, and easily cause the impeller nut to fall off. The loose impeller nut may cause loud noise and severe vibration, affecting the normal operation of the fan, and even causing impeller balance problems, resulting in impeller eccentricity, and further damaging the rotating equipment. Utility Model Content
[0004] The utility model provides an anti-dropping impeller nut, which uses a shaft rod, a hexagonal groove, a hexagonal rod, a rod cover and a filling ring. The hexagonal rod can be embedded in the shaft rod to limit the rotation of the impeller nut body, and the filling ring can be used to limit the sliding of the hexagonal rod, so that the impeller nut body and the shaft rod are fixed, and at the same time the filling ring is squeezed to generate sealing between the hexagonal rod and the impeller nut body, thereby improving the sealing and safety of the impeller nut.
[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: an anti-falling impeller nut, comprising:
[0006] An impeller nut body, wherein an axle is threadedly embedded in the inner wall of the impeller nut body, a hexagonal groove is opened at the top of the outer wall of the axle, a hexagonal rod is slidably embedded in the top of the outer wall of the impeller nut body, a rod cover is fixedly provided on the top of the outer wall of the hexagonal rod, the lower surface of the outer wall of the hexagonal rod is slidably embedded in the hexagonal groove, and a filling ring is provided between the hexagonal rod and the impeller nut body.
[0007] As an anti-dropping impeller nut of the utility model, the internal thread of the impeller nut is a common fine pitch thread.
[0008] As an anti-drop-off impeller nut of the utility model, a plurality of notches are provided at equal distances along the circumferential surface at the bottom of the outer wall of the impeller nut body, and a gasket is slidably embedded therein.
[0009] As an anti-falling impeller nut of the utility model, the material of the filling ring is rubber material.
[0010] As an anti-falling impeller nut of the utility model, the outer wall of the hexagonal rod is provided with an anti-slip groove.
[0011] The utility model provides an anti-falling impeller nut, which has the following beneficial effects:
[0012] (1) The anti-drop impeller nut has a shaft, a hexagonal groove, a hexagonal rod, a rod cover and a filling ring. The hexagonal rod can be embedded in the shaft to limit the rotation of the impeller nut body, and the filling ring can be used to limit the sliding of the hexagonal rod, so that the impeller nut body and the shaft are fixed. At the same time, the filling ring is squeezed to generate sealing between the hexagonal rod and the impeller nut body, thereby improving the sealing and safety of the impeller nut. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is the front view of the utility model;
[0014] Figure 2 It is a cross-sectional view of the utility model;
[0015] Figure 3 It is an exploded view of the utility model.
[0016] In the figure: 1. impeller nut body; 2. shaft rod; 3. hexagonal groove; 4. hexagonal rod; 5. rod cover; 6. filling ring; 7. missing groove; 8. gasket; 9. anti-skid groove. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the practical embodiment to clearly and completely describe the technical solution in the practical embodiment. Obviously, the described embodiment is only a part of the embodiment of the practical embodiment, not all of the embodiments. Based on the embodiment in the practical embodiment, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this practical embodiment.
[0018] See also Figure 1-3 The utility model provides a technical solution: an anti-falling impeller nut, comprising:
[0019] An impeller nut body 1 is provided with an inner wall thread of an axle rod 2, a hexagonal groove 3 is provided on the top of the outer wall of the axle rod 2, a hexagonal rod 4 is slidably embedded on the top of the outer wall of the impeller nut body 1, a rod cover 5 is fixed on the top of the outer wall of the hexagonal rod 4, the lower surface of the outer wall of the hexagonal rod 4 is slidably embedded in the hexagonal groove 3, and a filling ring 6 is provided between the hexagonal rod 4 and the impeller nut body 1.
[0020] In this embodiment: the impeller can be fixed on the shaft 2 through the impeller nut body 1. The shaft 2 is the axis of the rotating device. The hexagonal rod 4 is embedded in the shaft 2 to limit the rotation of the impeller nut body 1, and the filling ring 6 is used to limit the sliding of the hexagonal rod 4, so that the impeller nut body 1 and the shaft 2 are fixed. At the same time, the filling ring 6 is squeezed to generate sealing between the hexagonal rod 4 and the impeller nut body 1, thereby improving the sealing and safety of the impeller nut.
[0021] Specifically, the internal thread of the impeller nut is a common fine pitch thread.
[0022] In this embodiment, the impeller nut has an inner thread that is a common fine-pitch thread and can be threaded onto the shaft 2 .
[0023] Specifically, a plurality of notches 7 are formed at equal distances along the circumferential surface of the bottom of the outer wall of the impeller nut body 1, and a gasket 8 is slidably embedded therein.
[0024] In this embodiment, the friction force between the bottom of the impeller nut body 1 and the impeller can be increased by means of a plurality of notches 7 and gaskets 8 .
[0025] Specifically, the filling ring 6 is made of rubber material.
[0026] In this embodiment: the filling ring 6 is made of rubber material and can be squeezed and filled between the impeller nut body 1 and the shaft rod 2. Before fixing, the bottom end of the hexagonal rod 4 needs to be embedded in the filling ring 6. After the impeller nut body 1 is threadedly sleeved on the shaft rod 2 and fixed, the hexagonal rod 4 needs to be squeezed so that the hexagonal rod 4 is embedded in the shaft rod 2.
[0027] Specifically, an anti-slip groove 9 is provided on the outer wall of the hexagonal rod 4 .
[0028] In this embodiment, the filling ring 6 is sleeved in the anti-slip groove 9 on the outer wall of the hexagonal rod 4 through the anti-slip groove 9 to limit one end of the hexagonal rod 4 .
[0029] When in use, the impeller nut body 1 can fix the impeller on the shaft rod 2, which is the axis of the rotating equipment. The hexagonal rod 4 is embedded in the shaft rod 2 to limit the rotation of the impeller nut body 1, and the filling ring 6 is used to limit the sliding out of the hexagonal rod 4, so that the impeller nut body 1 and the shaft rod 2 are fixed. At the same time, the filling ring 6 is squeezed to generate a seal between the hexagonal rod 4 and the impeller nut body 1, thereby improving the sealing and safety of the impeller nut. Multiple grooves 7 and gaskets 8 can increase the friction between the bottom of the impeller nut body 1 and the impeller. The filling ring 6 is a rubber material that can be squeezed and filled between the impeller nut body 1 and the shaft rod 2. Before fixing, the bottom end of the hexagonal rod 4 needs to be embedded in the filling ring 6. After the impeller nut body 1 is threadedly sleeved on the shaft rod 2 and fixed, the hexagonal rod 4 needs to be squeezed to embed the hexagonal rod 4 into the shaft rod 2, and the filling ring 6 will be sleeved in the anti-slip groove 9 on the outer wall of the hexagonal rod 4 to limit one end of the hexagonal rod 4.
[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. An anti-falling impeller nut, characterized in that: include: An impeller nut body (1), wherein the inner wall of the impeller nut body (1) is threadedly embedded with a shaft (2), the outer wall top of the shaft (2) is provided with a hexagonal groove (3), the outer wall top of the impeller nut body (1) is slidably embedded with a hexagonal rod (4), the outer wall top of the hexagonal rod (4) is fixedly provided with a rod cover (5), the outer wall lower surface of the hexagonal rod (4) is slidably embedded in the hexagonal groove (3), and a filling ring (6) is provided between the hexagonal rod (4) and the impeller nut body (1).
2. The anti-drop impeller nut according to claim 1, characterized in that: The internal thread of the impeller nut is a common fine pitch thread.
3. The anti-drop impeller nut according to claim 2, characterized in that: The bottom of the outer wall of the impeller nut body (1) is provided with a plurality of notches (7) at equal distances along the circumferential surface, and a gasket (8) is slidably embedded therein.
4. The anti-drop impeller nut according to claim 3, characterized in that: The material of the filling ring (6) is rubber material.
5. The anti-drop impeller nut according to claim 4, characterized in that: The outer wall of the hexagonal rod (4) is provided with an anti-slip groove (9).