Middle disc and shaft sleeve riveting structure capable of being efficiently produced
By using aluminum alloy materials and flanged riveting connections, combined with positioning holes and riveting equipment, the problems of complex connection processes and low positioning accuracy between the middle plate and the bushing were solved, resulting in an efficient and stable riveting structure and reducing production costs.
Patent Information
- Application Number
- CN202520391622.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-03-06
AI Technical Summary
The traditional connection process between the middle plate and the bushing has problems such as complex procedures, low positioning accuracy and material thermal deformation, resulting in low production efficiency and high cost.
The impeller disc and shaft sleeve are connected by riveting with a flange, and the coaxiality is ensured by the positioning holes. The riveting equipment is used to achieve diagonal progressive riveting to form a stable overall structure.
It achieves an efficient and stable connection between the middle plate and the bushing, simplifies the production process, improves positioning accuracy and connection strength, and reduces production costs.
Smart Images
Figure CN223894543U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to small -size multi -wing type fan technical field especially relates to a middle disc and axle sleeve riveting structure of high -efficient production. BACKGROUND
[0002] In the field of mechanical transmission, the reliable connection of the middle disc and the axle sleeve is the key technology to ensure the stability of equipment operation. The traditional riveting process mostly adopts split rivets or hot pressing assembly, which has problems such as complex process and low positioning accuracy. For example, split riveting needs to preinstall bolt holes and step-by-step pressing, which limits the assembly efficiency. Although the hot pressing process can improve the interference fit strength, it is easy to cause material thermal deformation and increase the subsequent processing cost.
[0003] Because the original product adopts cast aluminum shaft disc, the integrated casting process is complex, the production cycle is long, and high-cost molds and materials are needed. UTILITY MODEL CONTENTS
[0004] The main purpose of the utility model is to provide a middle disc and axle sleeve riveting structure of high -efficient production, which can effectively solve the problems in the background art.
[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:
[0006] A middle disc and axle sleeve riveting structure of high -efficient production, comprising an impeller middle disc, the inner surface of the impeller middle disc is fixedly connected with an axle sleeve; the axle sleeve and the impeller middle disc are fixedly connected through a turned mouth riveting, and the outer surface of the axle sleeve is provided with a positioning hole.
[0007] In order to have stability, as a middle disc and axle sleeve riveting structure of high -efficient production of the utility model, the material of the impeller middle disc is an aluminum alloy surface treated by corrosion protection, and the outer surface of the impeller middle disc is distributed with riveting bosses.
[0008] In order to have power transmission, as a middle disc and axle sleeve riveting structure of high -efficient production of the utility model, the material of the axle sleeve is an aluminum alloy surface treated by corrosion protection, and the axle sleeve is riveted with the impeller middle disc.
[0009] In order to have reference coaxiality, as a middle disc and axle sleeve riveting structure of high -efficient production of the utility model, the positioning hole provides a reference, and the positioning hole ensures the coaxiality of the impeller middle disc and the axle sleeve.
[0010] Compared with the prior art, the utility model has the following beneficial effects:
[0011] 1. The utility model discloses a middle disc and axle sleeve riveting structure can be efficiently produced, including impeller middle disc 1, the inside surface one side of impeller middle disc 1 is fixedly connected with axle sleeve 2, the inside surface one side of axle sleeve 2 is fixedly connected with the locating hole 3 of the fixed connection of impeller middle disc 1, and the locating hole 3 is fixedly connected with the locating hole 3 of the fixed connection of impeller middle disc 1. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is the front view structural schematic drawing of the utility model embodiment;
[0013] Figure 2 It is the axle sleeve structural schematic drawing of the utility model embodiment;
[0014] Figure 3 It is the impeller middle disc structural schematic drawing of the utility model embodiment;
[0015] Figure 4 It is the locating hole structural schematic drawing of the utility model embodiment.
[0016] In the drawing: 1, impeller middle disc;2, axle sleeve;3, locating hole. PREFERRED EMBODIMENT
[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0018] Embodiment 1
[0019] As shown in Figures 1-4 A middle disc and axle sleeve riveting structure can be efficiently produced, including impeller middle disc 1, the inside surface one side of impeller middle disc 1 is fixedly connected with axle sleeve 2, the inside surface one side of axle sleeve 2 is fixedly connected with the locating hole 3 of the fixed connection of impeller middle disc 1, and the locating hole 3 is fixedly connected with the locating hole 3 of the fixed connection of impeller middle disc 1.
[0020] In the embodiment, axle sleeve 2 and impeller middle disc 1 are fixedly connected through the turning mouth riveting, and the outside surface one side of axle sleeve 2 is provided with the locating hole 3.
[0021] In specific use, the user prepares the impeller disc 1 and the shaft sleeve 2, checks the size and surface quality of the parts, ensures that it meets the design requirements, aligns the impeller disc 1 and the shaft sleeve 2 through the center positioning hole 3, ensures the coaxiality of the two, uses positioning to fix the impeller disc 1 and the shaft sleeve 2, prevents deviation during assembly, uses riveting equipment for riveting, completes riveting in diagonal progressive order, ensures uniform and firm connection, starts the motor, the motor shaft is connected with the shaft sleeve 2 through the key groove, transmits rotary power to the shaft sleeve 2, the impeller disc 1 rotates, air is sucked into the fan inlet, discharged from the fan outlet after the flow guiding action of the blades, and air delivery is completed.
[0022] In the embodiment, the material of the impeller disc 1 is an aluminum alloy surface treated by corrosion protection, and the outer surface of the impeller disc 1 is distributed with riveting bosses.
[0023] In specific use, the impeller disc 1 is connected with the shaft sleeve 2 by riveting to form an integral structure, ensuring the stability and strength of the impeller disc 1.
[0024] In the embodiment, the material of the shaft sleeve 2 is an aluminum alloy surface treated by corrosion protection, and the shaft sleeve 2 is riveted with the impeller disc 1.
[0025] In specific use, as the core load-bearing component of the fan impeller disc 1, the shaft sleeve 2 is used to connect the impeller disc 1 and the shaft sleeve 2 and transmit power.
[0026] In the embodiment, the positioning hole 3 provides a reference, and the positioning hole 3 ensures the coaxiality of the impeller disc 1 and the shaft sleeve 2.
[0027] In specific use, the positioning hole 3 provides a reference during assembly, ensuring the coaxiality of the impeller disc 1 and the shaft sleeve 2.
[0028] Working principle: in use, the user prepares the impeller disc 1 and the shaft sleeve 2, checks the size and surface quality of the parts, ensures that it meets the design requirements, aligns the impeller disc 1 and the shaft sleeve 2 through the center positioning hole 3, ensures the coaxiality of the two, uses positioning to fix the impeller disc 1 and the shaft sleeve 2, prevents deviation during assembly, uses riveting equipment for riveting, completes riveting in diagonal progressive order, ensures uniform and firm connection, starts the motor, the motor shaft is connected with the shaft sleeve 2 through the key groove, transmits rotary power to the shaft sleeve 2, the impeller disc 1 rotates, air is sucked into the fan inlet, discharged from the fan outlet after the flow guiding action of the blades, and air delivery is completed.
[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A riveting structure for a central impeller and a bushing that can be efficiently manufactured, comprising an impeller central impeller (1), characterized in that: A bushing (2) is fixedly connected to one side of the inner surface of the impeller disk (1); the bushing (2) and the impeller disk (1) are fixedly connected by riveting through a flange, and a positioning hole (3) is provided on one side of the outer surface of the bushing (2).
2. The highly efficient manufacturing structure for the mid-plate and bushing riveting according to claim 1, characterized in that: The impeller disk (1) is made of aluminum alloy with anti-corrosion treatment, and riveting bosses are distributed on one side of the outer surface of the impeller disk (1).
3. The highly efficient manufacturing structure for the mid-plate and bushing riveting according to claim 1, characterized in that: The bushing (2) is made of aluminum alloy with anti-corrosion treatment. The bushing (2) is riveted to the impeller disc (1).
4. The highly efficient manufacturing structure for the mid-plate and bushing riveting according to claim 1, characterized in that: The positioning hole (3) provides a reference and ensures the coaxiality of the impeller disc (1) and the bushing (2).