CN215120445U - Shaft sleeve and motor rotating shaft assembly for gas water heater - Google Patents
Shaft sleeve and motor rotating shaft assembly for gas water heater Download PDFInfo
- Publication number
- CN215120445U CN215120445U CN202121240187.4U CN202121240187U CN215120445U CN 215120445 U CN215120445 U CN 215120445U CN 202121240187 U CN202121240187 U CN 202121240187U CN 215120445 U CN215120445 U CN 215120445U
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- water heater
- gas water
- shaft hole
- connecting column
- limiting part
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Abstract
The utility model relates to the technical field of mechanical rotating shafts, in particular to a shaft sleeve and a motor rotating shaft assembly for a gas water heater, which comprises a connecting column, one end of the connecting column is provided with a limiting part protruding outwards along the circumferential direction, a plurality of clamping columns are uniformly distributed on one end surface of the limiting part far away from the connecting column, the cross section of the connecting column is conical, a shaft hole with a conical cross section is arranged in the connecting column, at least five clamping columns are arranged, the outer diameter of the cylinder of the connecting column close to the limiting part direction is gradually increased, the inner diameter of the shaft hole close to the limiting part direction is gradually increased, a first conical cavity is arranged above one end of the shaft hole close to the limiting part, a second conical cavity is arranged at the other end of the shaft hole, and the maximum inner diameter of the first conical cavity is larger than the maximum inner diameter of the second conical cavity; the utility model provides a shaft sleeve for gas water heater to the cooling fan blade installation of solving centrifugal wind wheel and motor is more time-consuming, the lower problem of installation effectiveness.
Description
Technical Field
The utility model belongs to the technical field of mechanical pivot technique and specifically relates to an axle sleeve and motor shaft subassembly that gas heater used that says so.
Background
In the structure of the old forced-ventilated fan of the gas water heater, a centrifugal wind wheel and a cooling fan blade of a motor are respectively fixed on a motor shaft by a shaft sleeve (an aluminum sleeve), the centrifugal wind wheel and the cooling fan blade are driven to rotate together by the rotation of the motor, so that the waste in a combustion chamber of the water heater is pumped out by the rotation of the centrifugal wind wheel and discharged through a smoke tube, and the rotation of the cooling fan blade can help the motor to dissipate heat, thereby protecting the motor. However, because the structure needs two shaft sleeves (aluminum sleeves) and fixing screws, the installation is time-consuming for workers during installation, and the installation efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect that prior art exists, the utility model provides a axle sleeve and motor shaft subassembly that gas water heater used to the cooling fan blade installation of solving centrifugal wind wheel and motor is more time-consuming, the lower problem of installation effectiveness.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a shaft sleeve that gas heater was used, includes the spliced pole, spliced pole one end is equipped with along the outside convex spacing portion of circumferencial direction, evenly distributed has a plurality of card posts on the terminal surface that the spliced pole was kept away from to spacing portion, the cross-section of spliced pole is the toper, it is conical shaft hole to have seted up the cross-section in the spliced pole.
Furthermore, the number of the clamping columns is at least five.
Furthermore, the outer diameter of the column body of the connecting column in the direction close to the limiting part is gradually increased.
Further, the inner diameter of the shaft hole in the direction close to the limiting part is gradually increased.
Furthermore, a first conical cavity is formed above one end, close to the limiting part, of the shaft hole, and a second conical cavity is formed at the other end of the shaft hole.
Further, the maximum inner diameter of the first conical cavity is larger than that of the second conical cavity.
Furthermore, the connecting column, the limiting part and the clamping column are integrally formed by aluminum die casting.
The utility model provides a motor pivot subassembly, includes pivot and foretell axle sleeve that a gas heater used, the pivot upper end is equipped with the toper section corresponding with the shaft hole and runs through the shaft hole, cup jointed centrifugal wind wheel and cooling fan blade on the spliced pole.
Furthermore, the cooling fan blade tightly presses the limiting part, and the lower end of the cooling fan blade is provided with a buckle corresponding to the clamping column.
The utility model has the advantages that: the utility model discloses a be equipped with along the outside convex spacing portion of circumferencial direction in spliced pole one end to can establish the cooling fan blade cover of centrifugal wind wheel and motor on the spliced pole, run through the shaft hole and sticis centrifugal wind wheel through the nut through the pivot of motor, the installation effectiveness is high, drives the spliced pole through the pivot of motor and rotates and can realize both rotatory work simultaneously, and evenly distributed's a plurality of card posts can be used to the buckle of joint setting at cooling fan blade lower extreme on a spacing terminal surface, prevent that the phenomenon of skidding from appearing in the cooling fan blade, the cross-section of spliced pole is the toper, and is inseparabler with being connected between the cooling fan blade of centrifugal wind wheel and motor, it is inseparabler to have seted up the cross-section in the spliced pole, is connected with the pivot of motor, and is rotatory more stable.
Drawings
Fig. 1 is a top view of the shaft sleeve of the present invention.
Fig. 2 is a schematic side view of the shaft sleeve of the present invention.
Fig. 3 is a schematic sectional view of the shaft sleeve of the present invention.
Fig. 4 is a schematic structural view of the motor shaft assembly of the present invention.
In the figure: the wind power generator comprises a connecting column 1, a limiting part 2, a clamping column 3, a first conical cavity 4, a shaft hole 5, a second conical cavity 6, a rotating shaft 7, a centrifugal wind wheel 8, a cooling fan blade 9 and a buckle 10.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The shaft sleeve for the gas water heater shown in the combined drawings 1-4 comprises a connecting column 1, wherein one end of the connecting column 1 is provided with a limiting part 2 protruding outwards along the circumferential direction, at least five clamping columns 3 are uniformly distributed on one end face, away from the connecting column 1, of the limiting part 2, the connecting column 1, the limiting part 2 and the clamping columns 3 are integrally formed by aluminum die-casting, the cross section of the connecting column 1 is conical, and a shaft hole 5 with a conical cross section is formed in the connecting column 1.
As shown in fig. 4, a motor rotating shaft assembly comprises a rotating shaft 7 and the shaft sleeve for the gas water heater, wherein the upper end of the rotating shaft 7 is provided with a conical section corresponding to the shaft hole 5 and penetrates through the shaft hole 5, the connecting column 1 is sleeved with a centrifugal wind wheel 8 and a cooling wind blade 9, the cooling wind blade 9 tightly presses the limiting part 2, and the lower end of the cooling wind blade 9 is provided with a buckle 10 corresponding to the clamping column 3.
Because be equipped with along the outside convex spacing portion 2 of circumferencial direction in 1 one end of spliced pole, thereby can overlap the cooling fan blade 9 of centrifugal wind wheel 8 and motor respectively on spliced pole 1, pivot 7 through the motor runs through shaft hole 5 and sticiss centrifugal wind wheel through the nut, the installation effectiveness is high, pivot 7 through the motor drives spliced pole 1 and rotates and can realize both rotatory work simultaneously, evenly distributed's a plurality of card posts 3 can be used to the joint setting at the buckle 10 of cooling fan blade lower extreme on 2 terminal surfaces in spacing portion, prevent that the phenomenon of skidding from appearing in the cooling fan blade, the cross-section of spliced pole 1 is the toper, and is inseparabler with being connected between the cooling fan blade of centrifugal wind wheel and motor, it is inseparabler to have seted up the cross-section in spliced pole 1, is connected with the pivot 7 of motor, and is rotatory more stable.
The cylinder of spliced pole 1 is close to the external diameter crescent of 2 directions in spacing portion, and the shaft hole of the cooling fan blade of centrifugal wind wheel and motor carries out the trompil according to spliced pole 1's toper form, and the size of trompil can be decided according to the distance between centrifugal wind wheel and the cooling fan blade, the internal diameter crescent of shaft hole 5 near 2 directions in spacing portion, and the pivot 7 of the motor of drive usefulness is the same with the tapering in shaft hole 5.
A first conical cavity 4 is formed above one end, close to the limiting portion 2, of the shaft hole 5, a second conical cavity 5 is formed in the other end of the shaft hole 5, and the maximum inner diameter of the first conical cavity 4 is larger than that of the second conical cavity 5.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (9)
1. The utility model provides a shaft sleeve that gas heater was used, includes spliced pole (1), its characterized in that, spliced pole (1) one end is equipped with along outside convex spacing portion (2) of circumferencial direction, evenly distributed has a plurality of card posts (3) on the terminal surface that spliced pole (1) was kept away from in spacing portion (2), the cross-section of spliced pole (1) is the toper, it is conical shaft hole (5) to have seted up the cross-section in spliced pole (1).
2. Bushing for a gas water heater according to claim 1, characterized in that at least five snap studs (3) are provided.
3. The bushing for a gas water heater according to claim 1, wherein the outer diameter of the cylinder of the connecting stud (1) in the direction of the limiting portion (2) is gradually increased.
4. The bushing for a gas water heater as claimed in claim 1, wherein the bore (5) has an inner diameter which increases gradually in the direction of the stopper (2).
5. The shaft sleeve for the gas water heater as claimed in claim 1, wherein a first conical cavity (4) is formed above one end of the shaft hole (5) close to the limiting part (2), and a second conical cavity (6) is formed at the other end.
6. Bushing for a gas water heater according to claim 5, characterized in that the maximum inner diameter of the first conical cavity (4) is larger than the maximum inner diameter of the second conical cavity (6).
7. The bushing for a gas water heater according to claim 1, wherein the connecting post (1), the limiting portion (2) and the clamping post (3) are formed integrally by aluminum die casting.
8. A motor rotating shaft assembly is characterized by comprising a rotating shaft (7) and a shaft sleeve for a gas water heater according to any one of claims 1 to 7, wherein a conical section corresponding to the shaft hole (5) is arranged at the upper end of the rotating shaft (7) and penetrates through the shaft hole (5), and a centrifugal wind wheel (8) and a cooling fan blade (9) are sleeved on the connecting column (1).
9. The motor rotating shaft assembly according to claim 8, wherein the cooling fan blade tightly presses the limiting part (2), and a buckle (10) corresponding to the clamping column (3) is arranged at the lower end of the cooling fan blade (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121240187.4U CN215120445U (en) | 2021-06-04 | 2021-06-04 | Shaft sleeve and motor rotating shaft assembly for gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121240187.4U CN215120445U (en) | 2021-06-04 | 2021-06-04 | Shaft sleeve and motor rotating shaft assembly for gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215120445U true CN215120445U (en) | 2021-12-10 |
Family
ID=79303553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121240187.4U Active CN215120445U (en) | 2021-06-04 | 2021-06-04 | Shaft sleeve and motor rotating shaft assembly for gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215120445U (en) |
-
2021
- 2021-06-04 CN CN202121240187.4U patent/CN215120445U/en active Active
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