CN210196109U - Outer pipe structure of fan bearing - Google Patents
Outer pipe structure of fan bearing Download PDFInfo
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- CN210196109U CN210196109U CN201921022119.3U CN201921022119U CN210196109U CN 210196109 U CN210196109 U CN 210196109U CN 201921022119 U CN201921022119 U CN 201921022119U CN 210196109 U CN210196109 U CN 210196109U
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- injection molding
- metal tube
- step part
- bottom plate
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Abstract
The utility model relates to a fan bearing outer tube structure, which comprises a bottom plate and a metal tube vertically arranged on the surface of the bottom plate, and further comprises a step part arranged inside the connecting end of the metal tube and the bottom plate, wherein the metal tube is provided with injection molding through holes uniformly distributed by taking the central axis of the metal tube as the center, the step part is an injection molding step part, and plastic cement integrally formed with the injection molding step part is also filled in the injection molding through holes; the utility model has the advantages that: the structure is simplified, the offset structure is omitted, the production steps are effectively reduced, the technical requirements of production are lowered, injection molding production is carried out through model matching shaping, production is convenient, and production efficiency and production cost are effectively improved.
Description
Technical Field
The utility model relates to a bearing field, concretely relates to outer tubular construction of fan bearing.
Background
The bearing is an indispensable part of the fan, the whole body of the current fan bearing is made of metal, the bearing comprises a bearing outer tube, a bearing piece arranged in the bearing outer tube and an axle center inserted in the bearing, a wear-resistant sheet is also arranged in the bearing tube, a layer of convex metal tolerance is arranged on the outer side of the bearing outer tube, a bite usually needs to be made on the tolerance for the stability of the bearing, meanwhile, in order to facilitate the installation of the bearing piece and the axle center, a supporting step needs to be made in the bearing outer tube, the process is extremely complicated, the precision needs to be finely controlled, the production is inconvenient and the production cost is high, and therefore a simple and convenient-to-produce fan bearing outer tube structure and a corresponding manufacturing method are needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is: a fan bearing outer tube structure is provided.
The technical scheme of the utility model is that: the utility model provides a fan bearing outer tube structure, includes the bottom plate and installs perpendicularly the tubular metal resonator on bottom plate surface, still including set up in tubular metal resonator with the inside step portion that the bottom plate links up end, set up on the tubular metal resonator and use the tubular metal resonator center pin is the through-hole of moulding plastics that the center was evenly arranged, step portion for the step portion of moulding plastics just also fill in the through-hole of moulding plastics with the step portion integrated into one piece's of moulding plastics plastic.
Further: the metal tube is a cylindrical metal tube, one end of the cylindrical metal tube is a closed end, the other end of the cylindrical metal tube is an open end, the closed end is connected to the bottom plate, and the step portion is located in the cylindrical metal tube and connected with the closed end.
Further: the step part is a circular step with the periphery attached to the inner wall of the cylindrical metal pipe.
Further: the offset part is annular, and the inner wall of the offset part is attached to the periphery of the metal pipe.
Further: the number of the injection molding through holes is more than or equal to 2.
Compared with the prior art, the utility model has the advantages that: the structure is simplified, the offset structure is omitted, the production steps are effectively reduced, the technical requirements of production are lowered, injection molding production is carried out through model matching shaping, production is convenient, and production efficiency and production cost are effectively improved.
Drawings
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 the ordinary skilled person in the art without creative work all belong to the protection scope of the present invention:
fig. 1 is a perspective view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
wherein: 1. a base plate; 2. a metal tube; 3. a step portion; 4. and (5) injection molding the through hole.
Detailed Description
Example (b): as shown in fig. 1-3, an outer tube structure of a fan bearing includes a bottom plate 1 and a metal tube 2 vertically installed on a surface of the bottom plate 1, in this embodiment, the metal tube 2 is a copper tube, and further includes a step portion 3 disposed inside a joint end of the metal tube 2 and the bottom plate 1, an injection molding through hole 4 uniformly arranged with a center axis of the metal tube 2 as a center is formed in the metal tube 2, in this embodiment, there are two injection molding through holes 4, the step portion 3 is an injection molding step portion, and plastic integrally formed with the injection molding step portion is filled in the injection molding through hole 4.
The metal tube 2 is a cylindrical metal tube, one end of the cylindrical metal tube is a closed end, the other end of the cylindrical metal tube is an open end, the closed end is connected to the bottom plate 1, and the step portion 3 is located in the cylindrical metal tube 2 and connected with the closed end. The step part 3 is a circular step with the periphery attached to the inner wall of the cylindrical metal pipe.
The pipe wall of the metal pipe 2 is uniformly provided with injection molding through holes 4, and plastic is injected from each injection molding through hole 4 to enter the metal pipe 2 to form a step part 3 during manufacturing; the method specifically comprises the following steps:
1) preparing a mould;
2) the metal pipe 2 is matched with a mould, the metal pipe 2 is injected in the mould, and the step part 3 connected with the metal pipe 2 is formed in an injection molding mode.
The mould is a cylindrical mould with the outer wall diameter equal to the inner diameter of the metal pipe 2, one end of the cylindrical mould is provided with a second cylinder with the outer diameter equal to the inner diameter of the step part 3, when in use, the end of the second cylinder of the cylindrical mould is inserted into the metal pipe 2 to be abutted against the inner wall of the closed end of the metal pipe 2, and then the injection molding is carried out in the metal pipe 2 from the injection molding through hole 4.
Thereby cancelled disconnected poor structure and effectively reduced the production step and reduced production technical requirement, finalized the design through the model cooperation and carry out the production of moulding plastics, the plastic gets into 2 inside traditional wear pads of replacing from the through-hole of moulding plastics, and production is convenient, effectively provides production efficiency and reduction in production cost.
It should be noted that, in the present document, the term "comprising" is intended to cover a non-exclusive inclusion, so that a method or structure including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such method or structure.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides a fan bearing outer tube structure which characterized in that: the injection molding device comprises a bottom plate, a metal pipe vertically arranged on the surface of the bottom plate, and a step part arranged inside a connecting end of the metal pipe and the bottom plate, wherein the metal pipe is provided with injection molding through holes uniformly distributed by taking the central shaft of the metal pipe as the center, and the step part is an injection molding step part and plastic integrally formed with the injection molding step part is also filled in the injection molding through holes.
2. The fan bearing outer tube structure of claim 1, wherein: the metal tube is a cylindrical metal tube, one end of the cylindrical metal tube is a closed end, the other end of the cylindrical metal tube is an open end, the closed end is connected to the bottom plate, and the step portion is located in the cylindrical metal tube and connected with the closed end.
3. The fan bearing outer tube structure of claim 2, wherein: the step part is a circular step with the periphery attached to the inner wall of the cylindrical metal pipe.
4. The fan bearing outer tube structure of claim 1, wherein: the number of the injection molding through holes is more than or equal to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921022119.3U CN210196109U (en) | 2019-07-02 | 2019-07-02 | Outer pipe structure of fan bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921022119.3U CN210196109U (en) | 2019-07-02 | 2019-07-02 | Outer pipe structure of fan bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210196109U true CN210196109U (en) | 2020-03-27 |
Family
ID=69868851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921022119.3U Active CN210196109U (en) | 2019-07-02 | 2019-07-02 | Outer pipe structure of fan bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210196109U (en) |
-
2019
- 2019-07-02 CN CN201921022119.3U patent/CN210196109U/en active Active
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