CN211901087U - Conical bushing connecting structure of fan impeller - Google Patents
Conical bushing connecting structure of fan impeller Download PDFInfo
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- CN211901087U CN211901087U CN202020199544.6U CN202020199544U CN211901087U CN 211901087 U CN211901087 U CN 211901087U CN 202020199544 U CN202020199544 U CN 202020199544U CN 211901087 U CN211901087 U CN 211901087U
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- taper sleeve
- fan impeller
- fastening
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Abstract
The utility model relates to a fan equipment technical field especially relates to a fan wheel's taper bush connection structure. The utility model adopts the following technical scheme: a conical bushing connecting structure of a fan impeller comprises a fan impeller base plate, a connecting shaft and a fastening taper sleeve, wherein the tail end of the connecting shaft penetrates through the fan impeller base plate, and the fastening taper sleeve is sleeved at the tail end of the connecting shaft and is fixedly connected with the fan impeller base plate through a fastening bolt and embraces the connecting shaft. The utility model has the advantages that: the taper sleeve holes are formed between the fan impeller base plate and the rotating shaft and are fixedly connected through the fastening taper sleeves, the taper sleeves can be tightly held or the connecting shaft can be loosened only by screwing bolts into the fastening bolt holes or the disassembling bolt holes, and therefore the fan impeller can be quickly installed and disassembled, and the fan impeller cannot be damaged.
Description
Technical Field
The utility model relates to a fan equipment technical field especially relates to a fan wheel's taper bush connection structure.
Background
The fan impeller is a key part of the fan, and the fan impeller needs to be disassembled and maintained in the use process of the fan, so that the use stability of the impeller is guaranteed, and the service life of the impeller is prolonged; at present, the fan impeller and the rotating shaft are connected by a key, so that the rotating shaft and the fan impeller are easily damaged when being repeatedly assembled and disassembled, and the disassembling and assembling process is complex and laborious.
Disclosure of Invention
An object of the utility model is to provide a fan wheel's toper cover connection structure specifically lies in providing a fan wheel connection structure who makes things convenient for assembly and disassembly.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a conical bushing connecting structure of a fan impeller comprises a fan impeller base plate, a connecting shaft and a fastening taper sleeve, wherein the tail end of the connecting shaft penetrates through the fan impeller base plate, and the fastening taper sleeve is sleeved at the tail end of the connecting shaft and is fixedly connected with the fan impeller base plate through a fastening bolt and embraces the connecting shaft.
Furthermore, the fastening taper sleeve and the connecting shaft are connected with the fan impeller base plate through the connecting disc, the connecting disc is fixedly arranged on the fan impeller base plate, a taper sleeve hole is formed in the bottom of the connecting disc, the tail end of the connecting shaft penetrates through the taper sleeve hole of the connecting disc on the fan impeller base plate, and the fastening taper sleeve is fixedly connected with the connecting disc of the fan impeller base plate through a fastening bolt and embraces the connecting shaft.
Furthermore, a first fastening bolt half hole and a first dismounting bolt half hole are formed in the inner side of the taper sleeve hole, a second fastening bolt half hole and a second dismounting bolt half hole are correspondingly formed in the outer side of the fastening taper sleeve, the first fastening bolt half hole of the taper sleeve hole and the second fastening bolt half hole of the fastening taper sleeve form a fastening bolt hole, and the first dismounting bolt half hole of the taper sleeve hole and the second dismounting bolt half hole of the fastening taper sleeve form a dismounting bolt hole.
Furthermore, the top of the connecting disc is provided with a connecting hole communicated with the taper sleeve hole, and the diameter of the connecting hole is smaller than that of the taper sleeve hole and only allows the connecting shaft to pass through.
Furthermore, the connecting disc adopts a flange structure, an opening is formed in the middle of the fan impeller bottom plate, the connecting disc is clamped on the fan impeller bottom plate, and the taper sleeve hole in the connecting disc penetrates through the opening in the fan impeller bottom plate.
Furthermore, the connecting disc and the fan impeller bottom plate are provided with corresponding screw holes, and the connecting disc and the fan impeller bottom plate are fixedly connected through connecting screws and connecting nuts penetrating through the screw holes.
The utility model has the advantages that: the taper sleeve holes are formed between the fan impeller base plate and the rotating shaft and are fixedly connected through the fastening taper sleeves, the taper sleeves can be tightly held or the connecting shaft can be loosened only by screwing bolts into the fastening bolt holes or the disassembling bolt holes, and therefore the fan impeller can be quickly installed and disassembled, and the fan impeller cannot be damaged.
Drawings
FIG. 1 is an assembled structure view of a taper bush connecting structure of a fan impeller in an embodiment;
FIG. 2 is a schematic structural diagram of the whole fan impeller in the embodiment;
FIG. 3 is a detailed structural view of a taper bush connecting structure of a fan impeller in the embodiment;
fig. 4 is a structural view of the fan impeller in the disassembled state in the embodiment.
Detailed Description
Example 1: referring to fig. 1-4, a fan impeller's taper bush connection structure includes fan impeller bottom plate 1, connecting axle 2 and fastening taper sleeve 3, and fan impeller bottom plate 1 is passed at the end of connecting axle 2, and fastening taper sleeve 3 overlaps at the end of connecting axle 2 and through holding bolt and fan impeller bottom plate 1 fixed connection and embrace connecting axle 2.
In the embodiment, the fan impeller base plate 1 and the connecting shaft 2 are fixedly connected through the fastening taper sleeve 3, and the fastening taper sleeve 3 can tighten or loosen the connecting shaft 2 by screwing bolts into different hole sites on the fastening taper sleeve 3, so that the connecting shaft 2 and the fan impeller base plate 1 can be conveniently assembled and disassembled; wherein, the impeller is arranged on the fan impeller bottom plate 1 and is used as the impeller of the fan.
Specifically, the fastening taper sleeve 3 and the connecting shaft 2 are connected with the fan impeller base plate 1 through a connecting disc 4, the connecting disc 4 is fixedly arranged on the fan impeller base plate 1, a taper sleeve hole 41 is formed in the bottom of the connecting disc 4, the tail end of the connecting shaft 2 penetrates through the taper sleeve hole 41 of the connecting disc 4 on the fan impeller base plate 1, and the fastening taper sleeve 3 is fixedly connected with the connecting disc 4 of the fan impeller base plate 1 through a fastening bolt and embraces the connecting shaft 2; the inner side of the taper sleeve hole 41 is provided with a first fastening bolt half-hole 511 and a first dismounting bolt half-hole 521, the outer side of the fastening taper sleeve 3 is correspondingly provided with a second fastening bolt half-hole 512 and a second dismounting bolt half-hole 522, the first fastening bolt half-hole 511 of the taper sleeve hole 41 and the second fastening bolt half-hole 512 of the fastening taper sleeve 3 form a fastening bolt hole 51, and the first dismounting bolt half-hole 521 of the taper sleeve hole 41 and the second dismounting bolt half-hole 522 of the fastening taper sleeve 3 form a dismounting bolt hole 52.
The fastening taper sleeve 3 is connected with the connecting shaft 2 by embedding a taper sleeve hole 41 of a connecting disc 4 on the bottom plate 1 of the fan impeller, wherein a first fastening bolt half hole 511 on the inner side of the taper sleeve hole 41 is a threaded half hole, a second fastening bolt half hole 512 corresponding to the outer side of the fastening taper sleeve 3 is a unthreaded light hole, correspondingly, a first dismounting bolt half hole 521 on the inner side of the taper sleeve hole 41 is an unthreaded light hole, and a second dismounting bolt half hole 522 corresponding to the outer side of the fastening taper sleeve 3 is a threaded half hole; when the connecting shaft 2 needs to be fixed, the connecting shaft 2 passes through the taper sleeve hole 41, the fastening taper sleeve 3 is sleeved on the connecting shaft 2 and is embedded into the taper sleeve hole 41, the second fastening bolt half hole 512 on the fastening taper sleeve 3 corresponds to the first fastening bolt half hole 511 in the taper sleeve hole 41, the second detaching bolt half hole 522 on the fastening taper sleeve 3 corresponds to the first detaching bolt half hole 521 in the taper sleeve hole 41, then a bolt is screwed into the fastening bolt hole 51 formed by the first fastening bolt half hole 511 and the second fastening bolt half hole 512, so that the fastening taper sleeve 3 extends into the taper sleeve hole 41, the fastening taper sleeve 3 inwards clasps the connecting shaft 2, the connecting shaft 2 is fixedly connected with the fan impeller bottom plate 1, conversely, when the connecting shaft 2 needs to be detached, the bolt only needs to be screwed out from the fastening bolt hole 51, and then screwed into the detaching bolt half hole 52 formed by the first detaching bolt half hole 521 and the second detaching bolt half hole 522, thereby make fastening taper sleeve 3 withdraw from taper sleeve hole 41, make fastening taper sleeve 3 loosen connecting axle 2 to dismantle fan wheel bottom plate 1 from connecting axle 2.
Specifically, the top of the connecting disc 4 is provided with a connecting hole 42 communicated with the taper sleeve hole 41, and the diameter of the connecting hole 42 is smaller than that of the taper sleeve hole 41 and only the connecting shaft 2 passes through the connecting hole; the connecting disc 4 is of a flange structure, an opening 11 is formed in the middle of the fan impeller base plate 1, the connecting disc 4 is clamped on the fan impeller base plate 1, and a taper sleeve hole 41 in the connecting disc 4 penetrates through the opening 11 in the fan impeller base plate 1; the connecting disc 4 and the fan impeller bottom plate 1 are provided with corresponding screw holes, and the connecting disc 4 and the fan impeller bottom plate 1 are fixedly connected through connecting screws and connecting nuts penetrating through the screw holes. The connecting disc 4 adopting the flange structure is fixedly connected with the fan impeller base plate 1, so that the connecting strength of the fan impeller base plate 1 and the connecting shaft 2 is improved.
Of course, the above is only the preferred embodiment of the present invention, and the application range of the present invention is not limited thereto, so all the equivalent changes made in the principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a fan wheel's taper bush connection structure which characterized in that: the fan impeller fixing device comprises a fan impeller base plate, a connecting shaft and a fastening taper sleeve, wherein the tail end of the connecting shaft penetrates through the fan impeller base plate, and the fastening taper sleeve is sleeved at the tail end of the connecting shaft and is fixedly connected with the fan impeller base plate through a fastening bolt and embraces the connecting shaft.
2. The tapered bushing connection structure of a blower wheel according to claim 1, wherein: the fastening taper sleeve and the connecting shaft are connected with the fan impeller base plate through the connecting disc, the connecting disc is fixedly arranged on the fan impeller base plate, a taper sleeve hole is formed in the bottom of the connecting disc, the tail end of the connecting shaft penetrates through the taper sleeve hole of the connecting disc on the fan impeller base plate, and the fastening taper sleeve is fixedly connected with the connecting disc of the fan impeller base plate through a fastening bolt and embraces the connecting shaft.
3. The tapered bushing connection structure of a fan wheel according to claim 2, wherein: the inner side of the taper sleeve hole is provided with a first fastening bolt half hole and a first dismounting bolt half hole, the outer side of the fastening taper sleeve is correspondingly provided with a second fastening bolt half hole and a second dismounting bolt half hole, the first fastening bolt half hole of the taper sleeve hole and the second fastening bolt half hole of the fastening taper sleeve form a fastening bolt hole, and the first dismounting bolt half hole of the taper sleeve hole and the second dismounting bolt half hole of the fastening taper sleeve form a dismounting bolt hole.
4. The tapered bushing connection structure of a blower wheel according to claim 3, wherein: the top of the connecting disc is provided with a connecting hole communicated with the taper sleeve hole, and the diameter of the connecting hole is smaller than that of the taper sleeve hole and only allows the connecting shaft to penetrate through.
5. The tapered bushing connection structure of a fan wheel according to claim 4, wherein: the connecting disc adopts the flange structure, is provided with the opening in the middle of the fan wheel bottom plate, and the connecting disc card is on the fan wheel bottom plate and the taper sleeve hole on the connecting disc passes the opening on the fan wheel bottom plate.
6. The tapered bushing connection structure of a blower wheel according to claim 5, wherein: the connecting disc and the fan impeller bottom plate are provided with corresponding screw holes, and the connecting disc and the fan impeller bottom plate are fixedly connected through connecting screws and connecting nuts after penetrating through the screw holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020199544.6U CN211901087U (en) | 2020-02-24 | 2020-02-24 | Conical bushing connecting structure of fan impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020199544.6U CN211901087U (en) | 2020-02-24 | 2020-02-24 | Conical bushing connecting structure of fan impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211901087U true CN211901087U (en) | 2020-11-10 |
Family
ID=73291614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020199544.6U Active CN211901087U (en) | 2020-02-24 | 2020-02-24 | Conical bushing connecting structure of fan impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211901087U (en) |
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2020
- 2020-02-24 CN CN202020199544.6U patent/CN211901087U/en active Active
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