TW201315365A - Fan assembly structure - Google Patents

Abstract

A fan assembly structure is provided. The fan assembly structure comprises a fan, an air-flow guiding structure and a fixed component. The air-flow guiding structure has a plurality of air-flow guiding holes, a leaning portion and a plurality of first locking portions distributed on the leaning portion. The fixed component has a plurality of second locking portions. The fan is pivotally connected with the fixed member. The second locking portions is adapted to rotate an angle corresponding to the leaning portion to lock with the first locking portions. Thereby the fan is disposed on the air-flow guiding structure by the fixed component.

Description

Fan combination structure

The present invention relates to a fan assembly structure, and more particularly to a fan assembly structure for fixing an axial flow fan.

The heat-dissipating fan structure fixed to the desktop computer or the power supply is, for example, the first figure (a) in the invention patent specification of Taiwan No. I259049, the figure 3 in the patent specification of Taiwan No. I327269, or the number M273941 in Taiwan. As shown in the first figure of the new patent specification, the conventional cooling fan usually includes a blade disposed in the fan frame, and is screwed through the hole of the computer main body or the power supply housing through a plurality of screw holes to be screwed with the fan frame to dissipate heat. The fan must be fixed to the host computer or power supply. However, in order to simplify the structure of the cooling fan to save production costs, the industry has successively proposed various improvement schemes, and the improvement schemes are detailed as follows.

For example, the "heat-dissipating fan module structure of an electronic device" disclosed in the invention patent No. I259049 includes a blade having a plurality of screw holes at the center, and the plurality of screws still need to pass through the hole of the electronic device housing, and then The screw holes are screwed into the blade through the screw holes of the blade to fix the blade in the electronic device. However, the fixing by the screw often lengthens the assembly time of the cooling fan module structure, and if the user wants to disassemble the fan blade for maintenance or maintenance of the cooling fan module structure, the volume is often lost due to carelessness. Screws, and must look for other screws to replace, thus lengthening the time of repair and maintenance.

In addition, please refer to the new patent No. M273941 in Taiwan, "Modification of Frameless Fan Fixing Structure", which includes a fan, a driving socket and a snap cover plate, and the fan is rotatably engaged with the driving socket, and the buckle is engaged The hook of the cover is fastened to the slot of the drive socket through the heat dissipation mesh of the power supply, so that the fan can drive the socket and the snap cover. However, such a frameless fan fixing structure must still include a plurality of fixing members to fix the fan. Further, when the fastening cover plate needs to be removed for maintenance, the hook-shaped hook is often easy to be removed. Incorrect or improper force causes a break, which in turn prevents the fan from being completely fixed to the heat dissipation mesh.

In view of the above-mentioned deficiencies, it is an urgent problem to be solved in the art to provide a fan assembly structure in which a plurality of fixed fan elements are fixed and the fan is more easily disassembled and assembled.

It is an object of the present invention to provide a fan assembly structure that can be firmly fixed to a casing of an electronic device with only one fixing member fan to improve the convenience of assembly.

To achieve the above objective, the fan assembly structure disclosed in the present invention comprises a fan, a flow guiding structure and a fixing member. The guiding structure has a plurality of guiding holes, a bearing portion and a plurality of first fastening portions disposed on the bearing portion, the fixing member having a plurality of second fastening portions and a sleeve portion. Wherein, the sleeve portion is sleeved at a center of one of the fans, so that the fan is rotatably engaged with the fixing member, and the second fastening portions respectively correspond to the first fastening portions, and are opposite The bearing portion is rotated at an angle to be engaged with each of the first fastening portions, whereby the fan is rotatably disposed on the flow guiding structure only by a fixing member.

The above described objects, features, and advantages of the present invention will become more apparent from the aspects of the appended claims.

The fan assembly structure 1 according to the first embodiment of the present invention is as shown in Fig. 1, Fig. 2A, Fig. 2B, Fig. 3A, Fig. 3B, Fig. 3C, Fig. 4A, Fig. 4B, Fig. 4C and As shown in FIG. 4D, the fan assembly structure 1 includes a fan 11, a flow guiding structure 12 and a fixing member 13. 1 is a schematic view showing the combination of the fan 11 and the fixing member 13, FIG. 2A is a schematic perspective view of the flow guiding structure 12, FIG. 2B is a partially enlarged perspective view of the guiding structure 12, and FIG. 3A is a fixing member. 13 is a schematic plan view of the flow guiding structure 12, FIG. 3B is a partially enlarged schematic view of the plane of the fixing member 13 against the guiding structure 12, and FIG. 3C is a partial perspective view of the fixing member 13 bearing the guiding structure 12. 4A is a plan view schematically showing the fixing member 13 assembled on the flow guiding structure 12, FIG. 4B is a partially enlarged plan view showing the fixing member 13 assembled on the flow guiding structure 12, and FIG. 4C is a fixing member 13 assembled to the guiding flow. A partial cross-sectional view of the structure 12, and a fourth schematic view of the fixing member 13 assembled to the flow guiding structure 12.

As shown in FIG. 2A and FIG. 2B , the flow guiding structure 12 has a plurality of guiding holes 121 , a bearing portion 122 and a plurality of first fastening portions 123 , and the guiding holes 121 are located at the bearing The first fastening portions 123 are distributed around the bearing portion 122 around one of the portions 122. The structure of the fixing member 13 has a plurality of second engaging portions 131 and a boss portion 132 as shown in Fig. 1 . The sleeve portion 132 can be sleeved in the center 111 of the fan 11, and the fan 11 can be rotatably engaged with the fixing member 13, and please refer to FIG. 3A, FIG. 3B, FIG. 4A and FIG. The two fastening portions 131 respectively correspond to the first fastening portions 123 and are rotated relative to the bearing portion 122 to be engaged with the first fastening portion 123. The fan 11 is rotatably disposed on the guiding flow by the fixing member 13. Structure 12 (as shown in Figure 4D). In order to fix the fixing member 13 to the flow guiding structure 12 stably, the rotation direction R1 of each of the second fastening portions 131 relative to the bearing portion 122 is opposite to the running direction of one of the fans 11 .

It should be noted that the number of the second fastening portions 131 is the same as the number of the first fastening portions 123. In this embodiment, the first fastening portions 123 and the second fastening portions are the same. The first portion of the first fastening portion 123 and the second second fastening portion 131 are adjusted according to requirements.

The structure and fastening manner of the first fastening portion 123 and the second fastening portion 131 will be further described. Please refer to FIGS. 3A to 4B. Each of the first fastening portions 123 is a concave portion. The groove is distributed on one of the peripheral edges 122a of the bearing portion 122, and the second fastening portions 131 are respectively distributed on the fixing member 13 corresponding to the first fastening portions 123, wherein, please refer to FIG. 3C, each The two fastening portions 131 are formed as a protrusion and are formed in an inverted L shape on one surface 135 of the fixing member 13 such that the protrusions (ie, the second fastening portions 131) and the surface 135 of the fixing member 13 define one. Clearance 131a. When the fixing member 13 bears against the bearing portion 122, the second fastening portion 131 is located at one end 123a of the first fastening portion 123, and one of the engaging surfaces 123c of the groove (ie, the first fastening portion 123) is located at the gap 131a. In the middle, the fixing member 13 is adapted to be rotated by an angle with respect to the bearing portion 122. Referring to FIGS. 4A to 4C, the second fastening portion 131 is further engaged by the first fastening portion 123 along the fastening surface 123c. The end 123a is slid to the other end 123b of the first fastening portion 123. The second fastening portion 131 covers the fastening surface 123c of the first fastening portion 123, so that the first fastening portion 123 is obtained. The second fastening portion 131 is engaged with the second fastening portion 131.

In the present embodiment, referring to FIG. 1 , FIG. 3A and FIG. 4A , the fixing member 13 further includes a wire slot 133 extending from a periphery of the fixing member 13 and utilizing the latch 133 a and the guiding flow. The structure 12 is snapped so that the wiring of the fan 11 is fixed in the wire slot 133. In addition, referring to FIG. 3B, the center 122b of one of the receiving portions 122 and the first fastening portion 123 and the adjacent first fastening portion 123 thereof preferably form an angle θ of 120 degrees. The second fastening portion 131 corresponds to each of the first fastening portions 123. Therefore, one center of the fixing member 13 and each of the second fastening portions 131 and the adjacent second fastening portion 131 can be easily known. The connection will also form an angle of 120 degrees, so that the fixing member 13 can be more stably fixed to the flow guiding structure 12.

The structure of the flow guiding structure 12 is further described in detail. Referring to FIG. 2A, FIG. 2B and FIG. 4D, the flow guiding structure 12 is disposed on one side wall 141 of the housing 14. The housing 14 can be a power supply. In order to increase the flow rate of the airflow, the housing 14 has a plurality of air collecting plates 142 disposed around one of the peripheral edges 124 of the flow guiding structure 12, and the flow guiding structure 12 has a plurality of ribs 125 ringed on the bearing portions 122 and mutually Interleaved to define the flow guiding holes 121, the airflow generated by the fan 11 can be led out or introduced through the guiding holes 121 to dissipate heat generated by the power supply or other electronic devices, and the bearing portion 122 The ribs 125 are in contact with the housing 14 by the ribs 125. In addition, in the present embodiment, the fan 11 and the fixing member 13 are located in the housing 14 and are fixed to the flow guiding structure 12.

The fan assembly structure 2 of the second embodiment of the present invention is as shown in Fig. 5, Fig. 6A, Fig. 6B, Fig. 7A, Fig. 7B, Fig. 7C, Fig. 8A, Fig. 8B, and Fig. 8C. 5 is a schematic view showing a combination of a fan 21 and a fixing member 23. FIG. 6A is a perspective view of a flow guiding structure 22, and FIG. 6B is a partially enlarged perspective view of the flow guiding structure 22. FIG. The fixing member 23 bears a schematic plan view of the flow guiding structure 22, and FIG. 7B is a partially enlarged schematic view of the fixing member 23 abutting on the guiding structure 22, and the 7C drawing is obtained along the A-A' section line of FIG. 7B. FIG. 8A is a schematic plan view showing the fixing member 23 assembled on the flow guiding structure 22, and FIG. 8B is a partial enlarged view of the fixing member 23 assembled on the guiding structure 22. FIG. 8C is a partial cross-sectional view of the fixing member 23 obtained along the BB' section line of FIG. 8B assembled on the flow guiding structure 22.

The fan assembly structure 2 is substantially identical in structure to the fan assembly structure 1 of the first embodiment of the present invention, and also includes a fan 21, a flow guiding structure 22 and a fixing member 23. The flow guiding structure 22 has a plurality of flow guiding holes 221, a bearing portion 222 and a plurality of first fastening portions 223, and the fixing member 23 also has a plurality of second fastening portions 231 and a sleeve portion 232. The second embodiment of the present invention is different from the first embodiment of the present invention in that the first fastening portion 223 and the second fastening portion 231 are respectively disposed at the positions of the bearing portion 222 and the flow guiding structure 22 .

In detail, referring to FIG. 6A to FIG. 6B , the first fastening portions 223 of the second embodiment are distributed in a central region 222 a of the bearing portion 222 , and each of the first fastening portions 223 is A groove has a hole 223b formed in one of the groove engaging faces 223a. As shown in FIG. 5 , the second fastening portions 231 are respectively distributed on the fixing member 23 corresponding to the first fastening portions 223 , and the second fastening portions 231 in FIGS. 7C and 8C are respectively referred to. A protrusion and an inverted L shape are formed on one surface 235 of the fixing member 23, and the protrusions (ie, the second fastening portions 231) together with the surface 235 of the fixing member 23 define a gap 231a. Referring to FIGS. 7A-7C, when the fixing member 23 bears against the bearing portion 222, the second fastening portion 231 is located at one end 223c of the first fastening portion 223, and each of the second fastening portions 231 passes through each When the hole 223b is located and the engaging surface 223a is located in the gap 231a, please refer to FIGS. 8A and 8B. The fixing member 23 is adapted to rotate at an angle with respect to the bearing portion 222, so that the second fastening portions 231 are buckled. The joint surface 223a is slid by the end 223c of the first fastening portion 223 to the other end 223d of the first fastening portion 223.

In the above manner, the second fastening portions 231 respectively correspond to the first fastening portions 223 and rotate relative to the bearing portion 222 to be engaged with the first fastening portion 123, and the sleeve portion 232 can be sleeved on the sleeve portion 232. At a center 211 of the fan 21, the fan 21 is rotatably engaged with the fixing member 23, and is further disposed on the flow guiding structure 22 by the fixing member 23. In order to fix the fixing member 23 to the flow guiding structure 22 stably, the rotation direction R2 of each of the second fastening portions 231 relative to the bearing portion 222 is opposite to the running direction of one of the fans 11 .

In the present embodiment, the number of the second fastening portions 231 is the same as the number of the first fastening portions 223. In this embodiment, the first fastening portions 223 and the second fastening portions 223 The first portion 231 is the third first fastening portion 223 and the third second fastening portion 231. However, in other embodiments of the present invention, the number of the first fastening portion 223 and the second fastening portion 231 can be adjusted according to requirements.

In this embodiment, referring to FIG. 5, FIG. 7A and FIG. 8A, the fixing member 23 further includes a wire slot 233 extending from a periphery of the fixing member 23, and the buckle 233a and the guiding flow can be utilized. The structure 22 is snapped so that the wiring of the fan is fixed in the wire slot. In addition, referring to FIG. 7B, the central region 222a of the bearing portion 222 and the first fastening portion 223 are connected to the adjacent first fastening portion 223 to form an angle θ' of 120 degrees. Because each of the second fastening portions 231 corresponds to each of the first fastening portions 223, one center of the fixing member 23, each of the second fastening portions 231, and the adjacent second fastening portion can be easily known. The connection of 231 will also be formed at an angle of 120 degrees, so that the fixing member 23 can be more stably fixed to the flow guiding structure 22. However, in other embodiments of the present invention, the magnitude of θ' can be adjusted as needed, and is not limited to the above angle.

Referring to FIG. 6A, the flow guiding structure 22 of the second embodiment is substantially the same as the structure of the flow guiding structure 12 of the first embodiment of the present invention. The guiding structure 22 is disposed on one side wall 241 of the housing 24. 24 may be a housing of a power supply. To increase the flow of the airflow, the housing 24 has a plurality of collector plates 242 looped around one of the peripheral edges 224 of the flow guiding structure 22, and the flow guiding structure 22 has a plurality of ribs 225. The air bearing 222 is interleaved to define the air guiding holes 221, and the airflow generated by the fan 21 can be led out or introduced through the air guiding holes 221 to dissipate the power supply or other electronic devices. The heat is received, and the bearing portion 222 is connected to the housing 24 by the ribs 225, and the fan 21 and the fixing member 23 are located in the housing 24.

In addition, in order to facilitate the assembly of the fan assembly structure of the present invention, please refer to FIG. 1 , the fixing member 13 of the first embodiment of the present invention includes a plurality of positioning holes 134 , and the fixture is adapted to pass through the fan 11 and pass through the positioning holes. 134, so that the fan 11 and the fixing member 13 do not rotate relative to each other. Similarly, referring to FIG. 5, the fixing member 23 of the second embodiment of the present invention includes a plurality of positioning holes 234 having the same functions as the positioning holes 134 of the first embodiment of the present invention, and details are not described herein.

In summary, compared with the conventional fan fixing structure, the fan of the fan assembly structure of the present invention can be directly fixed to the flow guiding structure by a single fixing member in a rotationally fast manner, thereby not only simplifying unnecessary assembly. Programs to reduce production costs, while also making assembly easier and more convenient, users can easily replace the fan by themselves.

The above-described embodiments are only intended to illustrate the embodiments of the present invention, and to explain the technical features of the present invention, and are not intended to limit the scope of the present invention. Any changes or equivalents that can be easily made by those skilled in the art are within the scope of the invention, and the scope of the invention should be determined by the scope of the claims.

1. . . Fan combination structure

11. . . fan

111. . . Central office

12. . . Diversion structure

121. . . Diversion hole

122. . . Abutment

122a. . . Periphery

122b. . . center

123. . . First fastening

123a. . . end

123b. . . end

123c. . . Fitting surface

124. . . Periphery

125. . . Rib

13. . . Fastener

131. . . Second fastening part

131a. . . gap

132. . . Bushing

133. . . Wire guide

133a. . . Latch

134. . . Positioning hole

135. . . surface

14. . . case

141. . . Side wall

142. . . Wind collecting board

2. . . Fan combination structure

twenty one. . . fan

211. . . Central office

twenty two. . . Diversion structure

221. . . Diversion hole

222. . . Abutment

222a. . . Central area

223. . . First fastening

223a. . . Fitting surface

223b. . . Hole

223c. . . end

223d. . . end

224. . . Periphery

225. . . Rib

twenty three. . . Fastener

231. . . Second fastening part

231a. . . gap

232. . . Bushing

233. . . Wire guide

233a. . . Latch

234. . . Positioning hole

235. . . surface

twenty four. . . case

241. . . Side wall

242. . . Wind collecting board

R1. . . turn around

R2. . . turn around

θ. . . angle

θ’. . . angle

1 is a schematic view showing a combination of a fan and a fixing member of a fan assembly structure according to a first embodiment of the present invention;

2A is a perspective view showing a flow guiding structure of a fan assembly structure according to a first embodiment of the present invention;

2B is a partially enlarged perspective view showing a flow guiding structure of a fan assembly structure according to a first embodiment of the present invention;

3A is a plan view showing a guide member of a fan assembly structure according to a first embodiment of the present invention;

FIG. 3B is a partially enlarged plan view showing a planar view of the fixing member of the fan assembly structure according to the first embodiment of the present invention;

FIG. 3C is a partial perspective view showing the guide member of the fan assembly structure according to the first embodiment of the present invention.

4A is a schematic plan view showing the fixing member of the fan assembly structure of the first embodiment of the present invention assembled on the flow guiding structure;

4B is a partially enlarged schematic plan view showing the fixing member of the fan assembly structure of the first embodiment of the present invention assembled on the flow guiding structure;

4C is a partial cross-sectional view showing the fixing member of the fan assembly structure of the first embodiment of the present invention assembled on the flow guiding structure;

4D is a perspective view showing the fixing member of the fan assembly structure of the first embodiment of the present invention assembled on the flow guiding structure;

5 is a schematic view showing a combination of a fan and a fixing member of a fan assembly structure according to a second embodiment of the present invention;

6A is a perspective view showing a flow guiding structure of a fan assembly structure according to a second embodiment of the present invention;

6B is a schematic plan view showing a flow guiding structure of a fan assembly structure according to a second embodiment of the present invention;

FIG. 7A is a plan view showing a guide member of a fan assembly structure according to a second embodiment of the present invention;

FIG. 7B is a partially enlarged schematic view showing the guide member of the fan assembly structure according to the second embodiment of the present invention;

Figure 7C is a partial cross-sectional view taken along line A-A' of Figure 7B;

8A is a schematic plan view showing the fixing member of the fan assembly structure of the second embodiment of the present invention assembled on the flow guiding structure;

8B is a partially enlarged schematic view showing the fixing member of the fan assembly structure of the second embodiment of the present invention assembled on the flow guiding structure;

Fig. 8C is a partial cross-sectional view taken along line B-B' of Fig. 8B.

11. . . fan

121. . . Diversion hole

122a. . . Periphery

123. . . First fastening

131. . . Second fastening part

133. . . Wire guide

133a. . . Latch

Claims (14)

A fan combination structure comprising:
a fan
a flow guiding structure having a plurality of guiding holes, a bearing portion and a plurality of first fastening portions, wherein the guiding holes are located around one of the bearing portions, and the first fastening portions are disposed on the bearing portion a fixing member having a plurality of second fastening portions and a sleeve portion;
Wherein, the sleeve portion is sleeved at a center of one of the fans, so that the fan is rotatably engaged with the fixing member, and the second fastening portions respectively correspond to the first fastening portions and are opposite to each other The bearing portion is rotated at an angle to be engaged with each of the first fastening portions, and the fan is disposed on the flow guiding structure by the fixing member. The fan assembly structure of claim 1, wherein one of the rotation directions of each of the second fastening members relative to the bearing portion is opposite to a running direction of one of the fans. The fan assembly structure of claim 2, wherein the flow guiding structure is disposed on a side wall of one of the housings. The fan assembly structure of claim 3, wherein the housing has a plurality of collector plates and a circumference of the flow guiding structure. The fan assembly structure of claim 4, wherein the flow guiding structure has a plurality of ribs that surround the bearing portion to define the flow guiding holes, and the bearing portion is formed by the ribs and the housing Docked. The fan assembly structure of claim 5, wherein the fixing member further comprises a wire slot extending from a periphery of the fixing member. The fan assembly structure of claim 6, wherein the first fastening portion and the second fastening portion are three first fastening portions and three second fastening portions, respectively. The fan assembly structure of claim 7, wherein the center of one of the abutting portions and the connection of each of the first fastening portions and the adjacent first fastening portion form an angle of 120 degrees. The fan assembly structure of claim 8, wherein the fixing member has a plurality of positioning holes. The fan assembly structure of claim 9, wherein each of the second fastening portions is formed by a protrusion formed on a surface of the fixing member, and the protrusion defines a gap together with the surface. The fan assembly structure of claim 10, wherein the first fastening portions are disposed on a periphery of the bearing portion, and the second fastening portions are respectively distributed corresponding to the first fastening portions. On the fixture. The fan assembly structure of claim 10, wherein the first fastening portions are distributed in a central region of the bearing portion, and the second fastening portions respectively correspond to the first fastening portions. Distributed on the fixture. The fan assembly structure of claim 11, wherein each of the first fastening portions is a groove, and when the second fastening portion is located at one end of the first fastening portion, and one of the grooves is fastened When the surface is located in the gap, the fixing member is adapted to rotate relative to the bearing portion, so that the second fastening portion slides along the fastening surface from the end of the first fastening portion to the first fastening portion The other end of the department. The fan assembly structure of claim 12, wherein each of the first fastening portions is a groove having a hole formed in a fastening surface of the groove, and the second fastening portion is located at the first When the second fastening portion passes through the hole and the fastening surface is located in the gap, the fixing member is adapted to rotate relative to the bearing portion, so that the second fastening portion is The end of the first fastening portion is slid along the fastening surface to the other end of the first fastening portion.