CN217462642U

CN217462642U - Maintainable hub sealing device

Info

Publication number: CN217462642U
Application number: CN202221283454.0U
Authority: CN
Inventors: 龙志深; 江志焜
Original assignee: Inso GZ Ventilation Technology Co ltd
Current assignee: Inso GZ Ventilation Technology Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-09-20
Anticipated expiration: 2032-05-26

Abstract

The utility model relates to the technical field of fans, and discloses a maintainable wheel hub sealing device, which comprises a base, wherein a shell is arranged on the base, an impeller is arranged in the shell, the outer wall of the shell is provided with a motor, the output end of the motor is connected with the impeller through a sealing connecting assembly, the sealing connecting assembly comprises an impeller shaft sleeve, a sealing bottom plate is sleeved outside the impeller shaft sleeve and is connected with the outer wall of the shell, a circular plate is arranged inside the sealing bottom plate and is attached to the shell wall, one side of the sealing bottom plate, which is far away from the circular plate, is provided with a graphite packing, the graphite packing is attached to the impeller shaft sleeve, one side of the sealing bottom plate is provided with a sealing pressing plate, the sealing pressing plate is connected with the impeller shaft sleeve through a framework oil seal in a sealing way, a sealing plug is opened, butter can be injected into an oiling hole, so that the butter can enter between the impeller shaft sleeves, thereby protecting the impeller shaft sleeve from abrasion among components when rotating, thereby increase of service life need not to dismantle and can accomplish the maintenance, promotes the practicality greatly.

Description

Maintainable hub sealing device

Technical Field

The utility model relates to a fan technical field specifically is a wheel hub sealing device that can maintain.

Background

In a gas recovery system, zero leakage of recovered gas is generally required, and in the prior art, a single air intake fan hub is generally sealed by a PTFE plate and an aluminum alloy pressing plate.

However, the existing sealing structure is complex, the sealing effect is poor, the rotating part is inconvenient to maintain, and along with the increase of the service time, the rotating part is easy to wear, so that the rotation of the fan impeller is influenced, and the service life of each part is greatly shortened.

Therefore, in view of the above technical problems, it is necessary for those skilled in the art to develop a serviceable hub sealing device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wheel hub sealing device that can maintain to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a wheel hub sealing device technical scheme that can maintain, includes the base, be equipped with the shell on the base, just be equipped with the impeller in the shell, the shell outer wall is equipped with the motor, be connected through sealing connection subassembly between the output of motor and the impeller, sealing connection subassembly includes the impeller axle sleeve, impeller axle sleeve overcoat is equipped with sealing bottom plate, sealing bottom plate is connected with the shell outer wall, and sealing bottom plate inside is equipped with the plectane, just the plectane laminates with the conch wall mutually, sealing bottom plate keeps away from one side of plectane and is equipped with graphite packing, graphite packing laminates with the impeller axle sleeve mutually, one side of sealing bottom plate is equipped with the seal pressure plate, through skeleton oil blanket sealing connection between seal pressure plate and the impeller axle sleeve.

Preferably, the impeller shaft sleeve penetrates through the shell wall and is in running fit with the shell wall, and two ends of the impeller shaft sleeve are respectively connected with the output end of the motor and the impeller.

Preferably, the impeller shaft sleeve is movably connected with the sealing pressure plate, the sealing bottom plate, the circular plate, the graphite packing and the framework oil seal respectively.

Preferably, be equipped with oiling mechanism on the pressure plate, oiling mechanism is including seting up the oil filler point on the pressure plate, be equipped with a plurality of conical ducts on the inner wall of oil filler point, the top of oil filler point is equipped with the sealing plug.

Preferably, the end with larger inner diameter of the conical pipe is arranged towards the top of the oil filling hole.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model relates to a wheel hub sealing device that can maintain, the sealing connection subassembly of setting utilizes graphite packing and skeleton oil blanket, realizes impeller shaft sleeve rotating part's sealing, and seal structure is more simple and convenient, conveniently carries out the dismouting and maintains.

(2) The utility model relates to a wheel hub sealing device that can maintain, the oiling mechanism of setting opens the sealing plug, can pour into the butter into the oiling hole in, makes the butter enter into between the impeller axle sleeve, when realizing sealed, can reduce the wearing and tearing between the part with this protection impeller axle sleeve again when rotatory to increase of service life need not to dismantle and can accomplish the maintenance, promotes the practicality greatly.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the seal connection assembly of FIG. 1;

fig. 3 is a schematic view of the cone structure of fig. 1.

In the reference symbols: 1. a base; 2. a motor; 21. sealing the connecting assembly; 211. an impeller shaft sleeve; 212. sealing the bottom plate; 213. a circular plate; 214. graphite packing; 215. sealing the pressure plate; 216. framework oil seal; 22. an impeller; 23. a housing; 31. an oil filler hole; 32. a tapered tube; 33. and (4) sealing the plug.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Examples

Referring to fig. 1 and 2, the present invention provides a maintainable wheel hub sealing device, which comprises: the sealing device comprises a base 1, a shell 23 is arranged on the base 1, an impeller 22 is arranged in the shell 23, a motor 2 is arranged on the outer wall of the shell 23, an output end of the motor 2 is connected with the impeller 22 through a sealing connection assembly 21, the sealing connection assembly 21 comprises an impeller shaft sleeve 211, the impeller shaft sleeve 211 penetrates through a shell wall and is in rotating fit with the shell wall, two ends of the impeller shaft sleeve 211 are respectively connected with the output end of the motor 2 and the impeller 22, a sealing bottom plate 212 is sleeved outside the impeller shaft sleeve 211, the sealing bottom plate 212 is connected with the outer wall of the shell 23, specifically, the sealing bottom plate 212 is fixedly connected with the shell 23 through screws, a circular plate 213 is arranged inside the sealing bottom plate 212, specifically, the circular plate 213 is made of PTFE (polytetrafluoroethylene), the circular plate 213 is attached to the shell wall, a graphite packing 214 is arranged on one side of the sealing bottom plate 212, specifically, the graphite packing 214 can protect sealing and does not influence the rotation of the impeller shaft sleeve 211, graphite packing 214 is laminated with impeller axle sleeve 211 mutually, one side of sealed bottom plate 212 is equipped with sealed clamp plate 215, pass through skeleton oil blanket 216 sealing connection between sealed clamp plate 215 and the impeller axle sleeve 211, concretely, skeleton oil blanket 216 guarantees when sealed, can completely cut off inside butter again and leak, impeller axle sleeve 211 respectively with sealed clamp plate 215, sealed bottom plate 212, plectane 213, graphite packing 214 and skeleton oil blanket 216 swing joint, concretely, impeller axle sleeve 211 and sealed clamp plate 215, sealed bottom plate 212, plectane 213, graphite packing 214 and skeleton oil blanket 21 normal running fit.

In the present embodiment, the impeller boss 211 is sealed by the seal base plate 212, the circular plate 213, the graphite packing 214, the seal holder 215, and the skeleton oil seal 216.

Referring to fig. 2 and 3, further, an oil injection mechanism is arranged on the sealing pressure plate 215, the oil injection mechanism includes an oil injection hole 31 formed in the sealing pressure plate 215, a plurality of tapered pipes 32 are arranged on the inner wall of the oil injection hole 31, a sealing plug 33 is arranged at the top of the oil injection hole 31, specifically, the sealing plug 33 is made of rubber, one end of the tapered pipe 32 with a larger inner diameter is arranged towards the top of the oil injection hole 31, specifically, the tapered pipe 32 can facilitate the injection of grease, and meanwhile, the oil injection hole cannot be blocked.

In the present embodiment, the sealing plug 33 is pulled out, grease is injected from the oil injection hole 31, the grease enters between the impeller hubs 211 to seal between the impeller hubs 211, and the rotation of the impeller hubs 211 is maintained by the grease, thereby reducing wear between the components and prolonging the service life of the components.

Specifically, the utility model discloses a theory of operation and use flow: the sealing plug 33 is pulled out, butter is injected from the oil injection hole 31, the butter enters the space between the impeller shaft sleeves 211 to realize the sealing between the impeller shaft sleeves 211, the rotating operation of the impeller shaft sleeves 211 is maintained by the butter, the abrasion between the parts is reduced, and the sealing plug 33 is plugged after the injection is finished until the whole working sequence is finished.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The maintainable wheel hub sealing device is characterized by comprising a base (1), wherein a shell (23) is arranged on the base (1), an impeller (22) is arranged in the shell (23), a motor (2) is arranged on the outer wall of the shell (23), the output end of the motor (2) is connected with the impeller (22) through a sealing connection assembly (21), the sealing connection assembly (21) comprises an impeller shaft sleeve (211), a sealing bottom plate (212) is sleeved outside the impeller shaft sleeve (211), the sealing bottom plate (212) is connected with the outer wall of the shell (23), a circular plate (213) is arranged inside the sealing bottom plate (212), the circular plate (213) is attached to a shell wall, a graphite packing (214) is arranged on one side, far away from the sealing bottom plate (212), of the sealing bottom plate (213), and the graphite packing (214) is attached to the impeller shaft sleeve (211), one side of the sealing bottom plate (212) is provided with a sealing pressure plate (215), and the sealing pressure plate (215) is connected with the impeller shaft sleeve (211) in a sealing mode through a framework oil seal (216).

2. A serviceable hub seal arrangement according to claim 1 further comprising: the impeller shaft sleeve (211) penetrates through the shell wall and is in running fit with the shell wall, and two ends of the impeller shaft sleeve (211) are respectively connected with the output end of the motor (2) and the impeller (22).

3. A serviceable hub seal arrangement according to claim 1 further comprising: the impeller shaft sleeve (211) is movably connected with the sealing pressure plate (215), the sealing bottom plate (212), the circular plate (213), the graphite packing (214) and the framework oil seal (216) respectively.

4. A serviceable hub seal arrangement according to claim 1 further comprising: be equipped with oiling mechanism on sealing pressure plate (215), oiling mechanism is including seting up oiling hole (31) on sealing pressure plate (215), be equipped with a plurality of taper pipes (32) on the inner wall of oiling hole (31), the top of oiling hole (31) is equipped with sealing plug (33).

5. A serviceable hub seal arrangement according to claim 4 further comprising: one end of the conical pipe (32) with larger inner diameter is arranged towards the top of the oil filling hole (31).