CN201078358Y - Fan fixing device of heat sink - Google Patents

Abstract

The utility model discloses a fan fixing device of a heat dissipation device, which comprises a frame with a hollow holding area on one surface; the fixing units are respectively arranged at each corner of the accommodating area, and each fixing unit at least comprises a stopping part, a bolt which is arranged at one end of the stopping part and is jointed with each corner of the accommodating area, and a positioning rod which is arranged at the other end of the stopping part; and at least two limit units with one end movably arranged on two sides of the frame and positioned between the two fixing units, and two sides corresponding to the other end of the limit units are respectively provided with buckling parts buckled with the positioning rods arranged on the fixing units. Therefore, the frame can be arranged on the radiating fin group, and the fan can be stably arranged on one surface of the frame corresponding to the radiating fin group by utilizing the matching of the fixing unit and the limiting unit, and the fan can achieve the effects of easy assembly and disassembly.

Description

Fan mount for heat sink

technical field

The utility model relates to a fan fixing device of a heat dissipation device, in particular to a device which can not only securely arrange the fan on one side corresponding to the cooling fin group, but also make the fan easy to assemble and disassemble.

Background technique

It is generally used in the central processing unit (CPU) of a computer, or involves a heat dissipation device on a multimedia computing circuit component. Usually, a cooling fin set is set on the central processing unit (or other circuit components), and then a fan is installed. On a frame, and cooperate with the fixing component to fix the fan and the frame from the four corners, and then lock the frame with the bottom of the frame with the fixing component and the main board, and make the frame correspond to the heat dissipation fin The top of the group is used to absorb the heat source on the central processing unit (or other circuit components) by the heat dissipation fin group, and use the fan to guide the airflow to the heat dissipation fin group for heat dissipation.

Although the above-mentioned existing heat dissipation device can use the fan to guide the airflow to the heat dissipation fin group for heat dissipation, since the fan is fixed on the frame with a fixed component when assembled, the fixed component used when fixed Generally, it is a screw (cooperating nut) or a one-way pin... etc. Not only is it time-consuming to assemble, but also in terms of screw (cooperating nut) connection, if the coordinating frame is made of metal, it is often difficult to Lock the fan and the frame so that the frame and the screws are deformed due to the rigidity of the locking, and if the matching frame is made of plastic, the plastic frame will be deformed due to the need to lock the fan and the frame. Cracks occur due to the tightness of the screws; in order to prevent the aforementioned situation, a one-way pin is used to fix the fan and the frame. Although the aforementioned shortcomings can be improved, it will cause the situation that it cannot be disassembled after assembly. If it is desired to repair and replace the fan due to damage, the one-way latch must be destroyed to remove the fan, which makes assembly and disassembly difficult.

According to, it is generally applied to the central processing unit (CPU) of a computer, or involves a heat dissipation device on a multimedia computing circuit component. Usually, a set of cooling fins is set on the central processing unit (or other circuit components), and then a The fan is installed on a frame, and the four corners of the fan are fixed to the frame with the fixing component, and then the frame is locked with the main board by the foot stand at the bottom and the fixing component, so that the frame corresponds to the heat dissipation The top of the fin set is used to absorb the heat source on the central processing unit (or other circuit components) by the heat dissipation fin set, and use the fan to guide the airflow to the heat dissipation fin set for heat dissipation.

Although the above-mentioned existing heat dissipation device can use the fan to guide the airflow to the heat dissipation fin group for heat dissipation, since the fan is fixed on the frame with a fixed component when assembled, the fixed component used when fixed Generally, it is a screw (cooperating nut) or a one-way pin... etc. Not only is it time-consuming to assemble, but also in terms of screw (cooperating nut) connection, if the coordinating frame is made of metal, it is often difficult to Lock the fan and the frame so that the frame and the screws are deformed due to the rigidity of the locking, and if the matching frame is made of plastic, the plastic frame will be deformed due to the need to lock the fan and the frame. Cracks occur due to the tightness of the screws; in order to prevent the aforementioned situation, a one-way pin is used to fix the fan and the frame. Although the aforementioned shortcomings can be improved, it will cause the situation that it cannot be disassembled after assembly. If it is desired to repair and replace the fan due to damage, the one-way latch must be destroyed to remove the fan, which makes assembly and disassembly difficult.

Utility model content

Therefore, the main purpose of the present utility model is to set the frame on a cooling fin group, and utilize the cooperation of the fixing unit and the limiting unit, in addition to stably setting the fan on one side of the frame to correspond to the cooling fin group In addition, it can also make the fan easy to assemble and disassemble.

In order to achieve the above-mentioned purpose, the utility model is a fan fixing device for a heat dissipation device, which includes a frame with a hollow-out accommodation area on one side; The fixed unit has at least one stopper, a latch located at one end of the stopper and engaged with each diagonal corner of the accommodating area, and a positioning rod arranged at the other end of the stopper; The position-limiting unit on both sides of the frame and between the two fixing units has buckling portions on the two sides corresponding to the other end of the position-limiting unit, which are respectively buckled with the positioning rods set by the fixing unit.

The fan fixing device of the heat dissipation device of the utility model can effectively improve various existing shortcomings. The frame can be arranged on a heat dissipation fin group, and the fixing unit and the limit unit can be used to fix the fan firmly on the frame. In addition to corresponding to the cooling fin group on one side, the fan can also be easily assembled and disassembled, so that the production of the utility model can be more advanced, more practical, and more in line with the needs of users.

Description of drawings

[Simple description of the diagram]

Fig. 1: three-dimensional exploded schematic view of the utility model;

Figure 2: Schematic diagram of the assembled state of the utility model;

Fig. 3: a partially enlarged schematic diagram of part A of Fig. 2 of the present utility model;

Figure 4: Schematic diagram of the completion of assembly of the utility model;

Figure 5: A schematic diagram of the assembly state of another embodiment of the present invention;

Figure 6: A schematic diagram of the cross-sectional state of another embodiment of the utility model after assembly;

Fig. 7: A partially enlarged schematic diagram of part B of Fig. 6 of the present utility model.

[Description of main component symbols]

1...Frame 11...Accommodating area

12...support plate 121...perforation

13...extension part 14...pivot joint

2....fixed unit 21...stopper

22...Latch pin 23...Positioning rod

231...Groove 24...Elastic component

3...Limiting unit 31...Linkage plate

311...shaft body 32...press plate

33...Buckle part 331...Bump

4...Radiation fin group 5...Fan

51...Frame 511...Corresponding hole

Detailed ways

Please refer to FIG. 1 , which is a three-dimensional exploded schematic diagram of the utility model. As shown in the figure: the utility model is a fan fixing device for a heat dissipation device, which is composed of a frame 1, several fixing units 2 and at least two limiting units 3; the frame 1 can be arranged on a cooling fin group By using the cooperation of the fixing unit 2 and the limiting unit 3, the fan can be firmly arranged on one side of the frame corresponding to the cooling fin group, and the fan can also be easily assembled and disassembled.

The above-mentioned frame 1 has a hollow-out accommodating area 11 on one side thereof, and each diagonal corner of the accommodating area 11 has a support plate 12 with a perforation 121, and the other side of the frame 1 is provided with There are several extension parts 13 and pivot joint parts 14 on two corresponding sides of the frame 1 .

Each fixing unit 2 is respectively arranged at each opposite corner of the accommodating area 11, and each fixing unit 2 has at least one stopper 21, one end of the stopper 21 and a support plate 12 connected to the accommodating area 11 The bolt 22 engaged by the provided perforation 121 and a positioning rod 23 arranged at the other end of the stop portion 21, and the bolts 22 of each fixing unit 2 are respectively sleeved with an elastic component 24, and the two ends of the elastic component 24 respectively push It is locked on one side of the support plate 12 and the stopper 21 .

One end of each position-limiting unit 3 is a linkage plate 31 with shafts 311 arranged on two sides, and the other end is a pressing plate 32 connected to the linkage plate 31. The two sides of the pressing plate 32 have a fastening portion 33 respectively. The shafts 311 of the linkage plate 31 are respectively movably disposed in the pivot joints 14 on two sides of the frame 1 , and the pressing plate 32 is located between the two fixing units 2 . If so, a brand-new fan fixing device for a heat dissipation device is constituted by the above-mentioned structure.

Please refer to Fig. 2, 3 and Fig. 4, which are respectively the schematic diagram of the assembled state of the present utility model, the partially enlarged schematic diagram of the part of Fig. 2A of the present utility model and the schematic diagram of the completed assembly of the present utility model. As shown in the figure: when the utility model is used, the frame 1 of the utility model can be combined on one side of a cooling fin group 4 with its several extensions 13, so that each fixing unit 2 on the frame 1 is In the state of extending upwards, the fan 5 is then sleeved on the positioning rods 23 of each fixing unit 2 with the corresponding holes 511 on each diagonal corner of the frame 51, so that the fan 5 is arranged in the accommodating area 11 of the frame 1 , and then move each limiting unit 3 to the fan 5, so that each limiting unit 3 uses the shaft body 311 of the linkage plate 31 to cooperate with the pivot joint 14, and moves the pressing plate 32 and presses it on the frame 51 of the fan 5 Up, make the stoppers 21 of each fixing unit 2 move downward under pressure, and at the same time let the stoppers 21 of each fixing unit 2 cooperate with the support plate 12 to compress the elastic component 24, and at this time, the buckle on both sides of the pressing plate 32 The part 33 is buckled on the positioning rod 23 of each fixing unit 2, and the fixing unit 2 is pushed up due to the tension of the elastic component 24, so that the limiting unit 3 can be restrained by the fixing unit 2 and stabilize the fixed fan 5 And correspond to the cooling fin group 4 .

In addition, when the fan 5 is to be removed, a downward force is first applied to the fan 5, so that the fixing unit 2 and the elastic component 24 are compressed together, and then the pressing plate 32 of the limiting unit 3 is pulled, so that the two sides of the pressing plate 32 The fastening part 33 is separated from the positioning rod 23 of each fixing unit 2. At this time, the elastic component 24 between the stopper part 21 and the support plate 12 is released to exert force on the stopper part 21, and by the stopper part The movement of 21 pushes the fan 5 up slightly, so that the fan 5 can be taken off, and the fan 5 can be easily assembled and disassembled.

Please refer to Figures 5, 6 and 7, which are respectively a schematic view of the assembly state of another embodiment of the present invention, a schematic view of the cross-sectional state of another embodiment of the present invention after assembly, and a partial enlargement of part of Figure 6B of the present invention schematic diagram. As shown in the figure: the utility model can also be provided with a groove 231 on the end edge of the positioning rod 23 of each fixed unit 2, and a groove 231 is provided on the fastening part 33 of each limiting unit 3 to be connected with the end edge of the positioning rod 23. groove 231 corresponding to the protruding point 331; in this way, the corresponding holes 511 on each diagonal of the fan 5 can be sleeved on the positioning rods 23 of each fixing unit 2, and are arranged behind the frame 1. When the fastening parts 33 on both sides of the pressing plate 32 of the bit unit 3 are fastened to the positioning rods 23 of each fixed unit 2, the convex points 331 are fastened in the groove 231, so that the fastening parts 33 can be firmly fastened in the positioning position. on rod 23.

The above-mentioned person is only the preferred embodiment of the utility model of the invention, and the scope of the implementation of the utility model of the utility model can not be limited with this; The equivalent changes and modifications all belong to the scope covered by the utility model patent of this creation.

Claims (8)

1. the fan fixer of a sink is characterized in that, it includes:

A framework has a holding area that is Openworks shape on the one face;

Several fixed units are located at each place, diagonal angle, above-mentioned holding area respectively, and each fixed unit has a blocked part, one at least and is located at blocked part one end and the latch that engages with each place, diagonal angle, holding area, and positioning rod of being located at the blocked part the other end; And

At least two position-limiting units, one end are movable respectively two sides of being located at said frame, and between two fixed units, and corresponding two sides of the other end have the snapping portion that fastens with the set positioning rod of fixed unit respectively.

2. the fan fixer of sink according to claim 1 is characterized in that, each place, diagonal angle of this set holding area of framework is provided with a dunnage with perforation respectively.

3. the fan fixer of sink according to claim 1 is characterized in that, the another side of this framework is provided with several extension parts.

4. the fan fixer of sink according to claim 1 is characterized in that, corresponding two sides of this framework have the pin-joint part.

5. the fan fixer of sink according to claim 1 is characterized in that, is arranged with elastic component on the latch of each fixed unit respectively, and two ends of this elastic component push up respectively pulls in each place, diagonal angle and blocked part of holding area.

6. the fan fixer of sink according to claim 1 is characterized in that, the positioning rod ora terminalis of each fixed unit has a groove respectively.

7. the fan fixer of sink according to claim 1 is characterized in that, each position-limiting unit comprises interlock plate that two sides have axis body, and pressing plate that is connected with this interlock plate at least, and this snapping portion is arranged at two sides of pressing plate.

8. the fan fixer of sink according to claim 1 is characterized in that, each snapping portion and positioning rod ora terminalis corresponding part are provided with salient point.

Images