TWM253381U - Structure of fan for heat dissipation of motor for treadmill - Google Patents

Description

M253381 V. Creation Instructions (1) [Technical Field to which the New Type belongs] This creation is a cooling fan structure for a treadmill motor, which refers to a guide rib with a triangular blade at one end and an arc-shaped constriction at the other end. The deflector can achieve the effect of slowing the flow of air into the fan, effectively preventing the air from directly contacting the blades to generate noise, and improving the heat dissipation efficiency and structural strength. [Previous technology] Press the normal running one-way fan to turn the purpose to achieve a single direction of rotation to achieve this. For improvement, please refer to the fourth figure, the chassis 3 0, which will drive a one-way motor to dissipate heat, including the hollow. Flatly connected to the chassis, the airflow is driven by the heat dissipation blades 3 0 of the pillars of the cover 0, and A is installed by the cover 3 3 blades 3 pieces 3 2 large diameter when the motor air outlet 3 The fan in the inner wall of the machine is installed. The use of this disadvantage and the fifth center convex the chassis 2, the other top and the air inlet (3 in the picture 1 to the horse motor is installed in the horse fan, the one-way can be created as shown in the drawing can be prevented and prevented When the operation is up, when a fan is blown to the motor, a horse motor (a horse motor (Figure 30) is provided with a section on the outer side as the side of the door, and the motor is turned into the airflow in the cover design. The heat sink of the motor and the heat sink are not shown in the solid solid cover. 3 3 can be A when it is overheated. It can be used for horses. Not applicable. Blades; Have more 3 3 1 (not shown) Connected to Da (picture drives the motor cooling blades at the same time, the two cooling blades are 32, and then borrowed not shown), to achieve the effect of heat dissipation After a detailed understanding of the above, we can find the following shortcomings;

Page 5 M253381 5. Creation instructions (2) 1. When the side of the air outlet 3 3 1 is cut vertically, and the air flow A contacts the user's transport vibration, so that the knot blades are dissipated 2. The 3 3 inner wall ribs, The strength makes the radiating blades prone to debris. This creation has improved ground experience and good methods. When the diffuser A of the stepper motor is entered, this form causes the two radiating blades to vibrate and generate vibration. The quality structure is damaged and the efficiency is damaged. . The radiating blade 3 is so inadequate. When 3 2 is hit by a collision and fly out and hurt people, it is for the purpose. Therefore, the suction force generated by the current motor after passing through the heat fan structure of the motor radiating blade is transferred to the radiating blade 3 2. Because the flow A fixed to the chassis 30 is directly divided into 3 2 by each radiating blade 32, at this time, the radiating blade 32 will generate noise with the sound, and the noise will be reduced, and the radiating blade 32 is long-term It is even worse because of the occurrence of breaks that affect the heat dissipation of the motor. 2 are fixed to the chassis 3 0 outer edges and the cover heat dissipation blades 3 2 No additional reinforcement is provided. The heat dissipation blades of the motor are prone to cracks during the manufacturing and transportation process. The user is subject to vibration during operation. I used to use motor cooling blades for many years. I still engaged in the production and sales of cooling blades for many years. After thinking about the improvement and testing, I finally created a kind of approaching, horse, and pace. The noise reduction of the air-inducing slow-moving species has been reduced, and the supply angle has been increased by three. The leaves are connected at the ends, and the straight leaf flow of a guided piece must be stopped. The finger-shaped anti-operation system is an arc-effect creation. It is composed of a book, and it has a new heat in the wind end of the fan-shaped edge of the fan extension effect.

M253381

3. Description of creation (3) In order to achieve the above purpose, the author created a wind-like structure. The straight sentence person—t ^ L ^ ^ ^ The less money motor can dissipate heat. There are blades inside ..., and a few pieces are fixed on the periphery of the bottom plate ~ Duanyan cymbals are fixed—the cross-section is a door-shaped hollow cover, and—the moon ridge is a beveled guide rib. On the low side, the outer edge of the # μ convex post u ^ Another known extension of the arc-shaped convergent flow guide, when the μ μ edge is difficult to move, the airflow can be smoothed on the slope of the guide rib first Zhu = Xuan: Ye Neng uses the fox to “Γ speed” to get the most airflow. The guilloche-shaped diverting section concentrates the diversion to the motor, removes the noise of tea slices and strengthens the fan structure. The above explanations are reviewed by you only as an overview of some of the characteristics of this creation. A corrosion, review committee, and time ^ In order to match this creation with ΓΠΓ and implement it based on the contents of this manual, it is better to apply. : Explain that the following is only used to explain this sword, wherever; in the first one is not in any form of restrictions on this creation, ^ changes are made in the spirit of Kushao Kuo any modification or [ Xu A μ is included in the scope of this creative protection. One L steam application method] The structure of the master of the master: = shown in the first and third diagrams, a kind of treadmill motor can cool the air after 20. The main purpose is to make the motor in the treadmill 10, and install a wind generator Through the transfer process, it achieves an excellent diversion and heat dissipation effect, and can effectively prevent the motor from being damaged. ° ..., and those who cause damage and incomplete output power, the professionals who have created this great project and can not do so Understand the 4 technical hand islands, # 1 > 丄 Μ ... t5

Page 7 M253381 V. Creation instructions (4) The convex post 22 is provided with a shaft hole 221 for the transmission shaft 21 of the motor 20, and a convex key 222 is provided on the inner wall of the shaft hole 221. In order to make the drive shaft 21 set to rotate the fan 20, the bottom plate 21 is provided with several blades 2 3 arranged in a radial pattern, and a door-shaped cover 24 with a circular hole in the center is fixed to On the blade 23, the top end and sides of the blade 23 are connected to the inner wall of the cover body 24. Among them, the blade 2 3 is at the end of the triangle-shaped guide rib 2 3 1 and the guide rib 2 3 1 The lower portion is connected to the outer peripheral edge of the convex post 22, and the other end of the air guide portion 232 extending into an arc-shaped constriction shape is connected to the inner wall of the cover body 24.

As a result, when the motor 10 starts to run, the transmission shaft 11 will drive the fan 20 to rotate and suck the airflow A, and the fan 20 will rotate at a high speed, so that the airflow A will advance to the blade 2 3 guide rib 2 3 1 slope The upper part rotates along the momentum, and then flows between the two blades 23 on the inner wall of the cover body 24. Finally, the arc-shaped guide portion 2 3 2 of the blades 23 directs the air flow A to the inside of the motor 10, resulting in high efficiency. heat radiation. To sum up the above-mentioned detailed description, this creative system has the following advantages: 1. The guide ribs of the blades 2 3 2. The triangular design makes the air flow

Before A enters the inner wall of the cover 24, it can first rotate and flow along the high-speed rotating fan 20 at the slope of the guide rib 23, so that the airflow A has a buffer effect. At this time, the airflow A can be generated by rotation. The centrifugal force is thrown into the space between the two blades 2 and 3. However, this action can not only increase the flow velocity of the airflow A to the motor 10, and accelerate the heat dissipation efficiency. The airflow A will have a buffer effect on the inclined surface of the guide rib 23, so that the airflow A will Pass the top surface of the guide rib 2 3 at a gentle flow rate, so it will help eliminate the noise generated when the fan 20 rotates

M253381 Fifth, create a note (5), and can improve the user's sports quality. 2. After the high-speed airflow A flows into the cover 24, the vane 2 3 has an arc-shaped converging guide portion 2 3 2 to concentrate the airflow A and guide the flow to the motor 10 according to the inner wall of the door-shaped cover 2 4 The heat dissipation is performed, thereby preventing the airflow A from causing a backflow phenomenon between the two blades 23 and reducing the operating efficiency of the fan 20 for blowing air. It is worth noting that, in addition to the effects described above, the guide portion 2 3 2 and the guide rib 2 3 1 also have the effect of increasing the overall structure of the reinforcing fan 2 0, which is directed to the fan 2 0 It is not easy to be damaged during the shipping process. In summary, the cooling fan structure of the treadmill motor of this creation can not only effectively improve the shortcomings of the improved structure of the conventional motor cooling blades, but also the main technical means of this creation have not been found in any relevant publications, which is in line with the new patent. The application requirements are based on the application submitted by the law.

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Brief description of the drawings [Simplified description of the drawings] The first diagram is a schematic diagram of the three-dimensional appearance of the creation installed on the motor. The second diagram is the diagram of the three-dimensional appearance of the creation. The third picture is a schematic diagram of the cross section of this creative airflow action. The fourth figure is a schematic diagram of the appearance of a conventional three-dimensional section. The fifth diagram is a schematic cross-sectional view of a conventional air current operation. [Illustration of drawing number] (conventional drawing number) Chassis 3 0 Cooling blade 3 2 Cover 3 3 (Drawing number of this creation) Motor 1 0 Fan 2 0 Boss 2 2 Shaft hole 2 2 1 Blade 2 3 Guide rib 2 3 1 Cover 2 4 Airflow A Pillar enters the wind 3 Drive shaft 1 1 Base plate 2 1 Male key 2 2 2 Flow guide 2 3 _

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Claims (1)

M253381 6. Scope of patent application * 1. A cooling fan structure for a treadmill motor, which includes a bottom plate, with a protruding column in the center of the bottom plate, and a shaft hole and a convex key that can be connected to the motor in the protruding column, and the periphery of the bottom plate Several blades are fixed, and a hollow cover with a gate-shaped cross section is fixed on the blade, which is characterized in that: one end of the blade is an inclined guide rib, and the lower part of the guide rib is fixed to the outer edge of the convex column , And the other end extends into an arc-shaped convergent flow guide, whereby the airflow can be rotated along the blades rotating at the south speed at the slope of the guide ribs, so as to ease the contact between the airflow and the blades. The flow velocity enables the airflow to be finally diverted to the motor through the arc-shaped convergent flow guide to improve the heat dissipation of the motor, eliminate the noise of blade rotation, and strengthen the fan structure. 〇 Page 11