CN210715285U - Adjustable shaft end disc structure - Google Patents
Adjustable shaft end disc structure Download PDFInfo
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- CN210715285U CN210715285U CN201921525670.XU CN201921525670U CN210715285U CN 210715285 U CN210715285 U CN 210715285U CN 201921525670 U CN201921525670 U CN 201921525670U CN 210715285 U CN210715285 U CN 210715285U
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- disc
- axle head
- adjusting screw
- head disc
- gasket
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Abstract
The utility model discloses an axle head disc structure with adjustable, including adjusting screw, bolt, axle head disc and gasket, the axle head disc passes through the bolt and links to each other with impeller wheel hub, and adjusting screw passes the axle head disc and links to each other with the motor spindle nose, and the axle head disc is kept away from impeller wheel hub and simultaneously is provided with the gasket, and this utility model discloses rational in infrastructure, think about ingeniously, simple structure, the utility model discloses change adjusting screw with the ordinary bolt that motor spindle nose department used into, have a boss on the screw, can drive the axle head disc through rotatory adjusting screw and remove, and the axle head disc links together with wheel hub again to drive whole impeller along axial back-and-forth movement, fine solution fan installation and performance deviation's problem.
Description
Technical Field
The utility model relates to a centrifugal fan axle head technical field specifically is an adjustable axle head disc structure.
Background
Centrifugal fans are widely used in ventilation of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and draught of boilers and industrial furnaces, cooling and ventilation in air conditioning equipment and household electrical appliances, and drying and sorting of grains, which all represent the importance of centrifugal fans. The air exchange device is represented by a series of 4-72 and B4-72, wherein the former is used for ventilation of industrial and mining plants, scientific research institutions and large public buildings, the latter is used for air intake and exchange of inflammable volatile gas, the two are directly connected by adopting a motor in a small machine number structural form, and an impeller and a shell of the fan are directly fixed on a motor shaft and a flange plate.
The fan structure that traditional motor directly links, the motor adopts the B3 form, because the space is limited, there is the gas leakage phenomenon in bearing seal department, to inflammable, explosive, there is corrosive gas absolutely not allowed, adopt the B35 motor to solve the problem of bearing seal department gas leakage, nevertheless at the same time adopt the axle head disc of conventional structural style only can fixed impeller, can not remove, brought the problem for follow-up installation and performance, consequently, this problem that exists among the prior art is solved to a technique of treating an improvement urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an adjustable axle head disc structure changes the ordinary bolt that motor spindle nose department used into adjusting screw, has a boss on the screw, can drive the axle head disc through rotatory adjusting screw and remove, and the axle head disc links together with wheel hub again to so drive whole impeller along the axial back-and-forth movement, fine solution fan installation and performance deviation's problem, with the problem of proposing in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an axle head disc structure with adjustable, includes adjusting screw, bolt, axle head disc and gasket, the axle head disc passes through the bolt and links to each other with impeller wheel hub, adjusting screw passes the axle head disc and links to each other with the motor spindle nose, the axle head disc is kept away from impeller wheel hub one side and is provided with the gasket.
Preferably, a clamping groove is formed in the middle of the shaft end disc, and round holes are formed in two sides of the shaft end disc.
Preferably, a small boss is arranged on the adjusting screw.
Preferably, the end face of the motor shaft head is provided with a screw hole, and the adjusting screw sequentially penetrates through the gasket and the shaft end disc and is connected with the motor shaft head.
Preferably, a plurality of screw holes are formed in the impeller hub, and the bolts sequentially penetrate through the gasket and the round holes in the two sides of the shaft end disc, are arranged in the screw holes formed in the impeller hub and are connected with the impeller hub.
Preferably, the gasket is flanged at the adjusting screw and the bolt.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses think about ingenious, simple structure, current centrifugal fan adopts the axle head disc of ordinary form, and the axial can't be adjusted, and the utility model discloses change the ordinary bolt of spindle nose department usefulness into adjusting screw, have a boss on the screw, can drive the axle head disc through rotatory adjusting screw and remove, and the axle head disc links together with wheel hub again to it follows the axial back-and-forth movement to drive whole impeller, fine solution fan installation and performance deviation's problem.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the front view structure of the present invention.
Fig. 3 is the schematic diagram of the position relationship between the centrifugal fan and the present invention.
In the figure: adjusting screw 1, bolt 2, axle head disc 3, gasket 4, impeller wheel hub 5 and motor spindle nose 6, draw-in groove 31, round hole 32.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.
Referring to fig. 1, the present invention provides a technical solution: an adjustable shaft end disc structure comprises an adjusting screw 1 and a bolt 2, axle head disc 3 and gasket 4, axle head disc 3 links to each other with impeller wheel hub 5 through bolt 2, adjusting screw 1 passes axle head disc 3 and links to each other with motor spindle nose 6, be provided with a little boss on the adjusting screw 1, axle head disc 3 keeps away from impeller wheel hub 5 one side and is provided with gasket 4, axle head disc 3 intermediate position is provided with draw-in groove 31, axle head disc 3 both sides are provided with round hole 32, motor spindle nose 6 terminal surface opens there is the screw, adjusting screw 1 passes gasket 4 and the middle draw-in groove 31 of axle head disc 3 in proper order and sets up in the screw that motor spindle nose 6 tip opened and link to each other, impeller wheel hub 5 is last to be provided with a plurality of screws, bolt 2 passes gasket 4 and axle head disc 3 in proper order and links to each other with impeller wheel hub 5, gasket 4 is located.
In an embodiment, as shown in fig. 3, the motor is installed on one side of the fan housing, the other end of the fan housing is provided with an air inlet, the motor shaft head 6 is connected with the impeller hub 5, the impeller is arranged on the outer side of the impeller hub, the shaft end disc 3 is connected with the impeller hub 5 and the motor shaft head 6 through the adjusting screw 1 and the bolt 2, and the shaft end disc 3 is further provided with a gasket 4.
The use principle is as follows: after the impeller hub 5 is sleeved into the motor shaft head 6, the shaft end disc 3 is fixed on the impeller hub 5 through the bolt 2, the adjusting screw 1 is fixed on the motor shaft head 6, after the air inlet is installed, the axial position of the impeller hub 5 is adjusted through rotating the adjusting screw 1, the overlapping length of the impeller hub 5 and the air inlet is ensured, and finally the gasket 4 is turned over to prevent the bolt 2 and the adjusting screw 1 from loosening.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (6)
1. An adjustable shaft end disc structure is characterized in that: including adjusting screw (1), bolt (2), axle head disc (3) and gasket (4), axle head disc (3) link to each other with impeller wheel hub (5) through bolt (2), adjusting screw (1) passes axle head disc (3) and links to each other with motor spindle nose (6), impeller wheel hub (5) one side is kept away from in axle head disc (3) is provided with gasket (4).
2. An adjustable stub disc construction as claimed in claim 1 wherein: a clamping groove (31) is formed in the middle of the shaft end disc (3), and round holes (32) are formed in two sides of the shaft end disc (3).
3. An adjustable stub disc construction as claimed in claim 1 wherein: a small boss is arranged on the adjusting screw (1).
4. An adjustable stub disc construction as claimed in claim 1 wherein: the end face of the motor shaft head (6) is provided with a screw hole, and the adjusting screw (1) sequentially penetrates through the gasket (4) and the shaft end disc (3) and is connected with the motor shaft head (6).
5. An adjustable stub disc construction as claimed in claim 1 wherein: the impeller is characterized in that a plurality of screw holes are formed in the impeller hub (5), and the bolts (2) sequentially penetrate through the gasket (4) and the round holes (32) on the two sides of the shaft end disc (3), are arranged in the screw holes formed in the impeller hub (5), and are connected with the impeller hub (5).
6. An adjustable stub disc construction as claimed in claim 1 wherein: the gasket (4) is positioned at the adjusting screw (1) and the bolt (2) for flanging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921525670.XU CN210715285U (en) | 2019-09-16 | 2019-09-16 | Adjustable shaft end disc structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921525670.XU CN210715285U (en) | 2019-09-16 | 2019-09-16 | Adjustable shaft end disc structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210715285U true CN210715285U (en) | 2020-06-09 |
Family
ID=70928332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921525670.XU Active CN210715285U (en) | 2019-09-16 | 2019-09-16 | Adjustable shaft end disc structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210715285U (en) |
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2019
- 2019-09-16 CN CN201921525670.XU patent/CN210715285U/en active Active
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