Assembly for preventing rotating seat of industrial fan from falling off

Abstract

The utility model relates to an industrial fan component for preventing a rotating seat from falling, the industrial fan comprises a motor, the motor comprises an output shaft and a shaft seat, the shaft seat is sleeved on the periphery of the output shaft, the output shaft extends out of the shaft seat by a preset length, and the component comprises a motor bearing plate, a conical connecting sleeve and a rotating seat, the motor bearing plate is provided with a through hole penetrating in the axial direction. The conical connecting sleeve is provided with an output shaft sleeving hole penetrating through the conical connecting sleeve in the axial direction. The rotating seat is provided with a connecting sleeve sleeving hole which penetrates through the rotating seat along the axial direction; the conical connecting sleeve penetrates into the connecting sleeve sleeving hole of the rotating seat, so that the conical connecting sleeve and the rotating seat are fixedly connected together; an output shaft of the motor penetrates through a through hole of the motor bearing plate and is fixedly connected with the conical connecting sleeve, and the shaft seat of the motor is in lap joint with the motor bearing plate, so that the motor is fixedly installed on the motor bearing plate, and the motor and the rotating seat are fixedly connected together.

Description

Technical Field

[0001] The utility model belongs to the field of industrial fans, and in particular relates to a component for preventing a rotating seat of an industrial fan from falling off. Background Art

[0002] In the industrial field, industrial fans are one of the most common and frequently used cooling equipment. When industrial fans are suspended on the top of a factory building, the blades of the industrial fans rotate to generate a whirlwind, which in turn cools down the internal space of the factory building.

[0003] Industrial fans are driven by motors to rotate blades to generate cyclones. The blades are usually mounted on a rotating seat, and the motor output shaft and the rotating seat are fixed together. However, in the prior art, the fixed connection between the rotating seat and the motor output shaft is not reliable. As the motor rotates more, the rotating seat will separate from the motor output shaft and fall off. How to ensure that the rotating seat does not fall off has always been one of the problems in the industry. Summary of the invention

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a component for preventing a rotating seat of an industrial fan from falling off.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an assembly for preventing a rotating seat from falling of an industrial fan, the industrial fan comprising an electric motor, the electric motor comprising an output shaft and a shaft seat, the shaft seat sleeve being arranged on the periphery of the output shaft, and the output shaft extending beyond a preset length of the shaft seat, the assembly comprising a motor supporting plate, a conical connecting sleeve and a rotating seat, the motor supporting plate having a through hole extending along the axial direction; the conical connecting sleeve having an output shaft sleeve connecting hole extending along the axial direction through the conical connecting sleeve; the rotating seat having a connecting sleeve sleeve connecting hole extending along the axial direction through the rotating seat; the conical connecting sleeve passes through the connecting sleeve sleeve connecting hole of the rotating seat, so that the conical connecting sleeve and the rotating seat are fixedly connected together; the output shaft of the motor passes through the through hole of the motor supporting plate and is fixedly connected to the conical connecting sleeve, and the shaft seat of the motor is overlapped on the motor supporting plate, so that the motor is fixedly mounted on the motor supporting plate, and the motor and the rotating seat are also fixedly connected together.

[0006] In one embodiment of the present application, the conical connecting sleeve has a first end and a second end, the outer diameter of the second end is larger than the outer diameter of the first end, and the conical connecting sleeve is in a conical shape; the conical connecting sleeve passes into the connecting sleeve connecting hole of the rotating seat from the bottom of the connecting sleeve connecting hole, so that the first end of the conical connecting sleeve is close to the top of the connecting sleeve connecting hole, and the second end of the conical connecting sleeve is close to the bottom of the connecting sleeve connecting hole.

[0007] In one embodiment of the present application, the inner diameters of the connecting sleeve holes are all consistent, the outer diameter of the first end of the tapered connecting sleeve is smaller than the inner diameter of the connecting sleeve holes, and the outer diameter of the second end of the tapered connecting sleeve is larger than the inner diameter of the connecting sleeve holes.

[0008] In one embodiment of the present application, a keyway is further provided on the tapered connecting sleeve, and the keyway is formed by extending radially from the output shaft sleeve connecting hole to the inner wall of the tapered connecting sleeve to a preset depth; the output shaft of the motor is fixedly connected to the tapered connecting sleeve by a key connection, thereby making the connection between the motor and the tapered connecting sleeve more secure.

[0009] In one embodiment of the present application, a double fixed connecting plate is further included, wherein a central region of the double fixed connecting plate has a sleeve hole that penetrates the double fixed connecting plate along the axial direction, and the sleeve hole is sleeved on the rotating seat.

[0010] In one embodiment of the present application, the double fixed connecting plate is fixedly connected to the rotating seat on one hand, and is fixedly connected to the motor supporting plate by bolts on the other hand.

[0011] In one embodiment of the present application, the conical connecting sleeve and the rotating seat are fixedly connected together by an interference fit connection, so that when the motor rotates, the rotating seat is synchronously driven to rotate.

[0012] In one embodiment of the present application, the rotating seat includes a first section and a second section, the first section is extended upward from the second section, the outer diameter of the first section is smaller than the outer diameter of the second section, and a preset number of threaded holes are arranged on the annular outer surface of the first section; it also includes an intermediate connecting piece, the intermediate connecting piece has a through hole that penetrates the intermediate connecting piece along the axial direction, and the through hole of the intermediate connecting piece is for the output shaft of the motor to pass through; the annular outer surface of the intermediate connecting piece is provided with threaded holes with the same number as the threaded holes on the first section of the rotating seat, and the intermediate connecting piece and the first section of the rotating seat are fixedly connected by bolt connection.

[0013] In one embodiment of the present application, the sleeve hole of the double fixed connecting plate is sleeved on the first section of the rotating seat, and the double fixed connecting plate is located between the second section of the rotating seat and the intermediate connecting piece. The outer diameter of the intermediate connecting piece is larger than the outer diameter of the first section of the rotating seat, so that the double fixed connecting plate fixes the rotating seat and the motor support plate together.

[0014] In one embodiment of the present application, it also includes a blade clamping ring, which has a through hole that penetrates the blade clamping ring along the axial direction, the through hole of the blade clamping ring is sleeved on the first section of the rotating seat, and the blade clamping ring and the second section of the rotating seat are fixed together by bolts.

[0015] The beneficial effects of the present application are as follows: the component structure for preventing the rotating seat from falling of the industrial fan provided by the present application is simple and easy to assemble, and the rotating seat can be doubly fixedly connected, thereby greatly reducing the risk of the rotating seat falling. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model provides a structural schematic diagram of an industrial fan.

[0017] Figure 2 for Figure 1 A partial enlarged view of the figure shows a schematic diagram of the structure in which the components of the industrial fan's rotating seat are assembled together to prevent it from falling off.

[0018] Figure 3 An exploded view of the components of an assembly for preventing a rotating seat from falling off of an industrial fan provided by the utility model.

[0019] Figure 4 The utility model is a schematic structural diagram of a conical connecting sleeve of a component for preventing a rotating seat from falling off of an industrial fan provided by the utility model.

[0020] Figure 5 This is a partial cross-sectional view of an industrial fan provided by the utility model, showing a cross-sectional view of a component for preventing a rotating seat of the industrial fan from falling off.

[0021] Figure 6 The utility model provides a schematic structural diagram of an industrial fan motor. DETAILED DESCRIPTION

[0022] The present application is further described in detail below by specific embodiments in conjunction with the accompanying drawings. Wherein similar elements in different embodiments adopt associated similar element numbers. In the following embodiments, many detailed descriptions are intended to enable the present application to be better understood. However, those skilled in the art can easily recognize that some of the features can be omitted in different situations, or can be replaced by other elements, materials, and methods. In some cases, some operations related to the present application are not shown or described in the specification, in order to avoid the core part of the present application being overwhelmed by too much description, and for those skilled in the art, it is not necessary to describe these related operations in detail, and they can fully understand the related operations based on the description in the specification and the general technical knowledge in the art.

[0023] In addition, the features, operations or characteristics described in the specification can be combined in any appropriate manner to form various implementations, and the operation steps involved in each embodiment can also be replaced or adjusted in a sequence in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only for the purpose of clearly describing a certain embodiment and do not mean that the composition and / or sequence are necessary.

[0024] The serial numbers of the components in this document, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in this application, unless otherwise specified, include direct and indirect connections (couplings).

[0025] Please refer to Figure 1-6 The present application provides an assembly for preventing a rotating seat of an industrial fan from falling off, the assembly comprising a motor support plate 16, a conical connecting sleeve 23 and a rotating seat 17, the motor support plate 16 having a through hole extending therethrough in an axial direction; the motor 15 comprising an output shaft 152 and a shaft seat 151, the shaft seat 151 being sleeved on the periphery of the output shaft 152, and the output shaft 152 extending out of a preset length of the shaft seat 151; the conical connecting sleeve 23 having an output shaft sleeve connection hole 230 extending therethrough in an axial direction through the conical connecting sleeve 23; the rotating seat 17 having a through hole extending therethrough in an axial direction through the output shaft 152; The connecting sleeve socket hole 170 of the rotating seat 17; the conical connecting sleeve 23 passes through the connecting sleeve socket hole 170 of the rotating seat 17, so that the conical connecting sleeve 23 and the rotating seat 17 are fixedly connected together; the output shaft 152 of the motor 15 passes through the through hole of the motor supporting plate 16 and is fixedly connected to the conical connecting sleeve 23, and the shaft seat 151 of the motor 15 is overlapped on the motor supporting plate 16, so that the motor 15 is fixedly installed on the motor supporting plate 16, and the motor 15 and the rotating seat 17 are fixedly connected together.

[0026] In one embodiment of the present application, the tapered connecting sleeve 23 has a first end 232 and a second end 233 , the outer diameter of the second end 233 is greater than the outer diameter of the first end 232 , and the tapered connecting sleeve 23 is in a tapered shape.

[0027] In one embodiment of the present application, the conical connecting sleeve 23 passes through the connecting sleeve sleeve hole 170 from the bottom of the connecting sleeve sleeve hole 170 of the rotating seat 17, so that the first end 232 of the conical connecting sleeve 23 is close to the top of the connecting sleeve sleeve hole 170, and the second end 233 of the conical connecting sleeve 23 is close to the bottom of the connecting sleeve sleeve hole 170. The top and bottom of the connecting sleeve sleeve hole 170 mentioned here refer to Figure 5The orientation of the rotating seat 17 is taken as the standard, the top of the rotating seat 17 is the top, and the bottom of the rotating seat 17 is the bottom.

[0028] In one embodiment of the present application, the inner diameters of the connecting sleeve sleeve hole 170 are all the same, the outer diameter of the first end 232 of the tapered connecting sleeve 23 is smaller than the inner diameter of the connecting sleeve sleeve hole 170, and the outer diameter of the second end 233 of the tapered connecting sleeve 23 is larger than the inner diameter of the connecting sleeve sleeve hole 170. The inner diameters of the connecting sleeve sleeve hole 170 described here are all the same, which means that the connecting sleeve sleeve hole 170 is cylindrical.

[0029] In one embodiment of the present application, a keyway 231 is further provided on the tapered connecting sleeve 23, and the keyway 231 is formed by extending radially from the output shaft sleeve hole 230 to a preset depth toward the inner wall of the tapered connecting sleeve 23; the output shaft 152 of the motor 15 is fixedly connected to the tapered connecting sleeve 23 by a key connection, so that the connection between the motor 15 and the tapered connecting sleeve 23 is more secure.

[0030] In one embodiment of the present application, the component further includes a double fixed connecting plate 22 , a middle region of the double fixed connecting plate 22 having a sleeve hole 220 axially extending through the double fixed connecting plate 22 , and the sleeve hole 220 is sleeved on the rotating seat 17 .

[0031] In one embodiment of the present application, the double fixed connection plate 22 is fixedly connected to the rotating seat 17 on one hand, and is fixedly connected to the motor support plate 16 by bolts on the other hand. In this way, the rotating seat 17 is fixedly connected to the motor support plate 16, and the rotating seat 17 and the motor 15 are fixedly connected together through the conical connection sleeve 23, thereby realizing the double fixed connection of the rotating seat 17, so that the rotating seat 17 is not easy to fall off.

[0032] In one embodiment of the present application, the conical connecting sleeve 23 and the rotating seat 17 are fixedly connected together by an interference fit connection, so that when the motor 15 rotates, the rotating seat 17 is synchronously driven to rotate.

[0033] In one embodiment of the present application, the rotating seat 17 includes a first section 171 and a second section 172, the first section 171 is extended upward from the second section 172, the outer diameter of the first section 171 is smaller than the outer diameter of the second section 172, and a preset number of threaded holes 1710 are arranged on the annular outer surface of the first section 171; the component also includes an intermediate connecting member 25, the intermediate connecting member 25 has a through hole 250 that penetrates the intermediate connecting member 25 along the axial direction, and the through hole 250 of the intermediate connecting member 25 is for the output shaft 152 of the motor 15 to pass through; the annular outer surface of the intermediate connecting member 25 is provided with threaded holes 251 with the same number as the threaded holes 1710 on the first section 171 of the rotating seat 17, and the intermediate connecting member 25 and the first section 171 of the rotating seat 17 are fixedly connected by bolt connection.

[0034] like Figure 3 As shown, in one embodiment of the present application, the sleeve hole 220 of the double fixed connecting plate 22 is sleeved on the first section 171 of the rotating seat 17, and the double fixed connecting plate 22 is located between the second section 172 of the rotating seat 17 and the intermediate connecting member 25, and the outer diameter of the intermediate connecting member 25 is larger than the outer diameter of the first section 171 of the rotating seat 17, so that the double fixed connecting plate 22 fixes the rotating seat 17 and the motor supporting plate 16 together.

[0035] In one embodiment of the present application, the assembly further includes a blade clamping ring 24, the blade clamping ring 24 has a through hole 240 that runs through the blade clamping ring 24 in the axial direction, the through hole 240 of the blade clamping ring 24 is sleeved on the first section 171 of the rotating seat 17, and the blade clamping ring 24 and the second section 172 of the rotating seat 17 are fixedly connected together by bolts. In this way, the blade 18 is fixed on the rotating seat 17 on the one hand, and is clamped by the blade clamping ring 24.

[0036] The component for preventing the rotating seat from falling of the industrial fan provided in the present application has a simple structure and is easy to assemble, and can perform a double fixed connection on the rotating seat, thereby greatly reducing the risk of the rotating seat falling.

[0037] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A component for preventing a rotating seat from falling off of an industrial fan, the industrial fan comprising a motor, the motor comprising an output shaft and a shaft seat, the shaft seat being sleeved around the output shaft, and the output shaft extending beyond a preset length of the shaft seat, characterized in that: It includes a motor supporting plate, a conical connecting sleeve and a rotating seat, wherein the motor supporting plate has a through hole that penetrates along the axial direction; the conical connecting sleeve has an output shaft sleeve connection hole that penetrates the conical connecting sleeve along the axial direction; the rotating seat has a connecting sleeve sleeve connection hole that penetrates the rotating seat along the axial direction; the conical connecting sleeve passes through the connecting sleeve sleeve connection hole of the rotating seat, so that the conical connecting sleeve and the rotating seat are fixedly connected together; the output shaft of the motor passes through the through hole of the motor supporting plate and is fixedly connected to the conical connecting sleeve, and the shaft seat of the motor overlaps the motor supporting plate, so that the motor is fixedly mounted on the motor supporting plate, and the motor and the rotating seat are also fixedly connected together.

2. The component for preventing the rotating seat from falling of the industrial fan according to claim 1 is characterized in that: The conical connecting sleeve has a first end and a second end, the outer diameter of the second end is larger than the outer diameter of the first end, and the conical connecting sleeve is in a conical shape; the conical connecting sleeve passes into the connecting sleeve connecting hole of the rotating seat from the bottom of the connecting sleeve connecting hole, so that the first end of the conical connecting sleeve is close to the top of the connecting sleeve connecting hole, and the second end of the conical connecting sleeve is close to the bottom of the connecting sleeve connecting hole.

3. The component for preventing the rotating seat from falling of the industrial fan according to claim 2, characterized in that: The inner diameters of the connecting sleeve holes are all the same, the outer diameter of the first end of the tapered connecting sleeve is smaller than the inner diameter of the connecting sleeve hole, and the outer diameter of the second end of the tapered connecting sleeve is larger than the inner diameter of the connecting sleeve hole.

4. The component for preventing the rotating seat from falling of the industrial fan according to claim 3 is characterized in that: The conical connecting sleeve is also provided with a keyway, and the keyway is formed by extending radially from the output shaft sleeve connection hole to the inner wall of the conical connecting sleeve to a preset depth; the output shaft of the motor is fixedly connected to the conical connecting sleeve by a key connection, so that the connection between the motor and the conical connecting sleeve is more secure.

5. The component for preventing the rotating seat of an industrial fan from falling off according to claim 4, characterized in that: It also includes a double fixed connecting plate, wherein the middle area of ​​the double fixed connecting plate has a sleeve hole which penetrates the double fixed connecting plate along the axial direction, and the sleeve hole is sleeved on the rotating seat.

6. The component for preventing the rotating seat from falling off of the industrial fan according to claim 5, characterized in that: The double fixed connection plate is fixedly connected to the rotating seat on one hand, and is fixedly connected to the motor supporting plate by bolts on the other hand.

7. The component for preventing the rotating seat from falling of the industrial fan according to claim 6, characterized in that: The conical connecting sleeve and the rotating seat are fixedly connected together by interference fit, so that the rotating seat is synchronously driven to rotate when the motor rotates.

8. The component for preventing the rotating seat from falling of the industrial fan according to claim 7, characterized in that: The rotating seat includes a first section and a second section, the first section is extended upward from the second section, the outer diameter of the first section is smaller than the outer diameter of the second section, and a preset number of threaded holes are arranged on the annular outer surface of the first section; it also includes an intermediate connecting piece, the intermediate connecting piece has a through hole that penetrates the intermediate connecting piece along the axial direction, and the through hole of the intermediate connecting piece is for the output shaft of the motor to pass through; the annular outer surface of the intermediate connecting piece is provided with threaded holes with the same number as the threaded holes on the first section of the rotating seat, and the intermediate connecting piece and the first section of the rotating seat are fixedly connected by bolt connection.

9. The component for preventing the rotating seat of an industrial fan from falling off according to claim 8, characterized in that: The sleeve hole of the double fixed connecting plate is sleeved on the first section of the rotating seat, and the double fixed connecting plate is located between the second section of the rotating seat and the intermediate connecting piece. The outer diameter of the intermediate connecting piece is larger than the outer diameter of the first section of the rotating seat, so that the double fixed connecting plate fixes the rotating seat and the motor supporting plate together.

10. The component for preventing the rotating seat of an industrial fan from falling off according to claim 9, characterized in that: It also includes a blade clamping ring, which has a through hole that penetrates the blade clamping ring along the axial direction. The through hole of the blade clamping ring is sleeved on the first section of the rotating seat, and the blade clamping ring and the second section of the rotating seat are fixed together by bolts.

Images