CN201050509Y - Magnetic attachment structure of fan and magnetic attachment element thereof - Google Patents

Abstract

A kind of fan magnetic attachment structure and its magnetic attachment component, including the fan body and at least a magnetic attachment component, the fan body is worn to have at least a perforation, the magnetic attachment component includes the main body and sets up in the magnetic unit of the main body, the main body has head and body of rod, the head has butt joint surface and adsorption surface opposite to the butt joint surface, the butt joint surface connects the body of rod, the adsorption surface reveals in the terminal surface of the fan body, the magnetic attachment component binds to the fan body through the perforation with the body of rod; therefore, the fan body can be conveniently and quickly installed at a required position in a magnetic adsorption mode, a user can install the fan more conveniently, and the applicability of the fan is improved.

Description

Fan Magnetic Attachment Structure and Its Magnetic Attachment Components

technical field

The utility model relates to a fan structure, in particular to a fan magnetic attachment structure formed by arranging a magnetic attachment element in a perforation of a fan body.

Background technique

Because there are many kinds of circuit boards and electronic components in the general computer case, when the computer is running, the pattern analysis card, chip, integrated circuit and other components on the circuit board in the computer case will generate heat due to operation, making the temperature inside the computer case If the temperature in the casing exceeds the upper limit of the normal operation of the electronic components, it will cause the electronic components to fail and cause computer failure. Therefore, the computer casing will have cooling holes and fans, so that when the computer is running, The heat generated by the electronic components in the computer casing can be discharged out of the computer casing through the air convection caused by the fan.

The structure of the known fan is shown in FIG. 1 , the four corners of the fan body 10a are respectively provided with through holes 11a. The computer case 20a is provided with a fixing hole 21a corresponding to the through hole 11a and a plurality of cooling holes 22a, and the screw 30a is screwed to the through hole 11a through the fixing hole 21a, and then the fan body 10a is combined with the computer case 20a. , through the fan body 10a, the heat in the computer casing 20a is discharged to the outside of the computer casing 20a through the heat dissipation holes 22a.

The known fan structure can only be locked to the fixing hole 21a of the computer case 20a with the through hole 11a and the screw 30a, and the direction of the fan inlet and outlet is not easy to change. Install or add fans to improve heat dissipation.

The inventor of the present invention feels that the above problems need to be improved, so he devotes himself to research and cooperates with academic applications, and proposes a utility model with reasonable design and effective improvement of the above problems.

Utility model content

The main purpose of this utility model is to provide a fan magnetic attachment structure, which is to form a fan magnetic attachment structure by combining the magnetic attachment element with the preset perforation of the fan body, so that it can be conveniently and quickly installed or Add the fan at the required position, which is convenient for users to install or add the fan, and has better applicability.

Another object of the present invention is to provide a fan magnetic attachment structure, which can quickly change the direction of the fan's intake and exhaust through the perforated magnetic attachment installed on the fan body, which is more convenient to use.

In order to achieve the above object, the utility model provides a fan magnetic attachment structure, comprising: a fan body, which has two opposite end faces, and at least one through hole is pierced through the fan body; and at least one magnetic attachment element, which includes a main body And the magnetic unit, the main body has a head and a rod body, the head has an abutment surface and an adsorption surface opposite to the abutment surface, the abutment surface is connected to the rod body, and the adsorption surface is exposed on one end surface of the fan body , the magnetic unit is arranged on the head of the main body, the magnetic unit forms a magnetic attraction surface corresponding to the adsorption surface, and the magnetic attachment element is combined with the fan body by passing the rod body through the through hole.

The utility model also provides a magnetic attachment component, comprising: a main body, which includes a head and a rod body, the head has an abutment surface and an adsorption surface opposite to the abutment surface, and the abutment surface is connected to the rod body; and The magnetic unit is arranged on the head of the main body, and the magnetic unit forms a magnetic attraction surface corresponding to the adsorption surface.

The utility model has the following beneficial effects: the utility model combines the magnetic attachment element with the preset perforation of the fan body, so that the fan body can be magnetically adsorbed to the computer case or other positions through the magnetic attachment element, so that users can follow their needs. The fan is added, and the direction of the fan's intake and exhaust can be quickly changed according to the timing of use. There is no problem of directionality, and the applicability is better.

In order to further understand the features and technical contents of the present utility model, please refer to the following detailed description and accompanying drawings of the present utility model. However, the accompanying drawings are provided for reference and illustration only, and are not intended to limit the present utility model.

Description of drawings

Fig. 1 is a perspective view of a conventional fan combined with a computer case.

Fig. 2 is a three-dimensional exploded view of the first embodiment of the fan magnetic attachment structure and magnetic attachment elements of the present invention.

Fig. 3 is a three-dimensional combined view of the first embodiment of the fan magnetic attachment structure and magnetic attachment elements of the present invention.

Fig. 4 is a perspective view of the second embodiment of the magnetic attachment of the present invention.

Fig. 5 is a perspective view of a third embodiment of the magnetic attachment of the present invention.

Fig. 6 is a perspective view of a fourth embodiment of the magnetic attachment of the present invention.

FIG. 7 is a cross-sectional view of the fourth embodiment of the magnetic attachment of the present invention combined with a fan.

FIG. 8 is a partial cross-sectional view of the fifth embodiment of the magnetic attachment of the present invention combined with a fan.

Fig. 9 is a perspective view of a sixth embodiment of the magnetic attachment of the present invention.

Explanation of main component symbols

[known]

10a fan body 21a fixing hole

11a perforated 22a cooling hole

20a computer case 30a screw

[this utility model]

10 Fan body 21 Main body 214 Claws

11 frame body 211 head 2141 card body

12 fixed plate 2111 contact surface 215 groove

121 perforation 2112 adsorption surface 216 split groove

13 Exhaust surface 2113 Accommodating chamber 217 Suction cup

14 air intake surface 212 rod body 22 magnetic unit

20 magnetic attachment component 213 thread 221 magnetic surface

                                                                                                                                                                                                                                                                                              

Detailed ways

Please refer to FIG. 2 and FIG. 3 , the fan magnetic attachment structure of the present invention includes: a fan body 10 and four magnetic attachment components 20 .

The fan body 10 has a frame body 11, and the front and rear ends of the frame body 11 extend outwards to form four fixing plates 12. Although the four fixing plates 12 are located at the four corners of the fan body 10, each fixing plate 12 Correspondingly, a perforation 121 is formed. The frame body 11 has two opposite front and rear end surfaces, the front end surface is an exhaust surface 13, and the rear end surface is an air intake surface 14. Air enters the fan body 10 from the air intake surface 14 and then passes through the exhaust surface 13. Exhausted outside the fan body 10.

Each magnetic attachment element 20 includes a main body 21 and a magnetic unit 22 , and the main body 21 has a head 211 and a rod 212 . In this embodiment, the peripheral edge of the head 211 is circular. The head 211 has an abutting surface 2111 and an adsorption surface 2112 opposite to the abutting surface 2111. The head 211 is also provided with an accommodating chamber 2113 for accommodating the magnetic unit 22. In this embodiment, the accommodating The chamber 2113 is formed by indentation at the center of the adsorption surface 2112 of the head 211 . The accommodating chamber 2113 can also be disposed inside the head 211 (not shown), so that the magnetic unit 22 is embedded in the head 211 and not exposed outside the magnetic attachment 20 . The rod body 212 is cylindrical, the rod body 212 is connected to the abutting surface 2111 , and its outer diameter is slightly larger than the inner diameter of the through hole 121 of the fan body 10 .

The magnetic unit 22 can be a piece of magnetic material such as a magnet or a magnet, and the magnetic unit 22 also forms a magnetic attraction surface 221 corresponding to the adsorption surface 2112 . The magnetic unit 22 is accommodated in the accommodating chamber 2113 by pressing, bonding, insert molding, etc., so that the magnetic unit 22 is arranged on the head 211 of the main body 21, so that the magnetic surface of the magnetic unit 22 221 is exposed at the open end of the accommodating chamber 2113 . The magnetic attracting surface 221 of the magnetic unit 22 can protrude or be recessed from the attracting surface 2112 of the head 211 . It is also possible to set a serrated convex portion (not shown) on the periphery of the magnetic unit 22, and a plurality of concave portions (not shown) corresponding to the convex portion are recessed on the inner wall of the accommodating chamber 2113, so that the magnetic unit 22 can It is more closely combined with the head 211 of the main body 21 .

When the magnetic attachment element 20 is combined with the fan body 10, the rod body 212 of the main body 21 is pressed into the through hole 121 of the fan body 10 near the exhaust surface 13, so that the magnetic attachment element 20 passes through the rod body 212. The through hole 121 is combined with the fan body 10, and the adsorption surface 2112 of the main body 21 is exposed on the exhaust surface 13 of the fan body 10. In this embodiment, the magnetic attachment element 20 is combined with the exhaust surface of the fan body 10. Of course, the air surface 13 can also be combined with the air intake surface 14 of the fan body 10 in the same manner. The main body 21 can also be made of magnets, and the magnetic unit 22 is integrally formed with the main body 21 .

Please refer to FIG. 4 , the magnetic attachment element 20 can be further provided with a fixing part. In this embodiment, the fixing part is a screw thread 213 formed on the periphery of the rod body 212, and the rod body 212 is screwed with the screw thread 213. Through the hole 121 of the fan body 10 (please refer to FIG. 2 ), the magnetic attachment element 20 is fixed to the fan body 10 through the fixing portion (ie, the thread 213 ).

Please refer to Fig. 5, the adsorption surface 2112 of the head 211 can be further recessed to form a groove 215, the groove 215 is in-line and runs through the magnetic unit 02, and two mutually perpendicular grooves can also be formed on the adsorption surface 2112. Groove 215 (figure omitted), or the peripheral edge of the head 211 is formed into a hexagonal shape (figure omitted), so that it can be matched with tools such as flat screwdrivers, cross screwdrivers or hexagonal socket wrenches, so that users can use the above-mentioned It is easier to take out or install the magnetic attachment 20 from the through hole 121 of the fan body 10 by using a tool, so as to change the air intake or exhaust direction of the fan body 10 .

Please refer to Fig. 6 and Fig. 7, another kind of fixing part is disclosed. A split groove 216 is formed between the parts 214, so that the two claws 214 have elasticity, and the end of each claw 214 is a free end and protrudes outward to form a card body 2141, so that the card body 2141 is away from the rod body 212. One end of the head 211 is convexly formed.

The through hole 121 of the fan body 10 penetrates to the front and rear ends of the fixing plate 12 , the contact surface 2111 of the magnetic attachment element 20 abuts against the end of the fixing plate 12 close to the exhaust surface 13 , and the fixing portion The card body 2141 passes through the through hole 121 and abuts against the other end of the fixing plate 12 , so that the magnetic attachment element 20 is fixed to the fan body 10 through the fixing portion.

Please refer to FIG. 8 , the rod body 212 is covered with an elastic buffer material member 23, and the elastic buffer material member 23 is interposed between the inner wall of the through hole 121 and the peripheral surface of the rod body 212 to absorb the force of the fan body 10 when it rotates. generated vibration and reduce its noise.

Please refer to FIG. 9, the head 211 of the magnetic attachment 20 is further provided with a suction cup 217 made of rubber on the suction surface 2112, and the suction cup 217 can be deformed and adsorbed on the computer case or other positions by pressing. (figure omitted), so that the fan body 10 can be more stably attracted to a desired position by using the suction force of the suction cup 217 and the magnetic force of the magnetic unit 22, and also has the function of shockproof.

In addition, the magnetic attachment element 20 can be combined with the fan body 10, and can also be combined with elements such as a fan net, a fan filter, or a fan guide screen (not shown), so that the above elements can also be magnetically adsorbed and conveniently Install at the desired location.

The utility model utilizes the perforation 121 of the fan body 10 in combination with the magnetic attachment element 20, so that the fan body 10 can be magnetically adsorbed on a device that needs heat dissipation, such as the casing of a power supply, the casing of a backup power supply, the casing of a personal computer, Industrial computer casings, server casings, uninterruptible power supply system casings, disk array external box casings, external hard disk box casings, external CD-ROM drive casings, keyboard casings, notebook computer heat sinks The casing of the projector, the casing of the projector or the casing of the medical measurement and testing instrument or other product casings with fans, and there is no need to use screws to lock, so that users can install the fan body 10 more conveniently and quickly when heat dissipation is required position, and if the magnetic attachment element 20 is originally combined with the perforation 121 close to the exhaust surface 13, so that the fan body 10 can exhaust air through the exhaust surface 13, as long as the magnetic attachment element 20 is changed to be combined with the hole 121 near the air intake surface. The perforation 121 on the surface 14 enables the fan body 10 to be absorbed by the air intake surface 14 and converted to air intake, so that the air intake and exhaust directions of the fan body 10 can be quickly changed, and the applicability is better.

The above descriptions are only preferred embodiments of the present utility model, and do not limit the claims of the present utility model. Therefore, all equivalent structural changes made by using the description of the utility model and the accompanying drawings are included in the utility model. In the range.

Claims (25)

1. the attached structure of fan magnetic is characterized in that, comprising: fan body, and it has two opposing end faces, and this fan body is equipped with at least one perforation; And the attached element of at least one magnetic, it comprises main body and magnet unit, this main body has the head and the body of rod, this head has the adsorption plane of bearing surface and relative this bearing surface, this bearing surface is connected in this body of rod, and this adsorption plane is revealed in a wherein end face of this fan body, and this magnet unit is arranged at the head of this main body, this magnet unit forms the magnetic face corresponding with this adsorption plane, and the attached element of this magnetic is incorporated into this fan body with this body of rod by this perforation.

2. the attached structure of fan magnetic as claimed in claim 1 is characterized in that the body of rod of the attached element of this magnetic is pressed in the perforation of this fan body.

3. the attached structure of fan magnetic as claimed in claim 1 is characterized in that the body of rod of the attached element of this magnetic is provided with fixing part, and the attached element of this magnetic is fixed in this fan body by this fixing part.

4. the attached structure of fan magnetic as claimed in claim 3 is characterized in that this fixing part is a screw thread, and this thread-shaped is formed in this body of rod periphery, this body of rod with this screw thread screw lock in the perforation of this fan body.

5. the attached structure of fan magnetic as claimed in claim 3, it is characterized in that, this fixing part is provided with at least one card body, this card body is formed by the end evagination of this body of rod away from this head, this fan body is provided with the fixed plate corresponding with this perforation, this perforation is through to this fixed plate two ends, and the card body of the bearing surface of this head and this fixing part is connected to this fixed plate two ends respectively.

6. the attached structure of fan magnetic as claimed in claim 5, it is characterized in that this fixing part is at least two claws, this two claw extends to form away from this cephalad direction by this body of rod is past, be formed with profile groove between this two claw, each claw end is that a free end and evagination form this card body.

7. the attached structure of fan magnetic as claimed in claim 1 is characterized in that this body of rod is arranged with elastic buffer material part, and this elastic buffer material part is located between this perforation inwall and this body of rod peripheral surface.

8. the attached structure of fan magnetic as claimed in claim 1 is characterized in that the head of the attached element of this magnetic is provided with sucker in this adsorption plane.

9. the attached element of magnetic is characterized in that, comprising: main body, and it comprises the head and the body of rod, and this head has the adsorption plane of bearing surface and relative this bearing surface, and this bearing surface is connected in this body of rod; And magnet unit, it is arranged at the head of this main body, and this magnet unit forms the magnetic face corresponding with this adsorption plane.

10. the attached element of magnetic as claimed in claim 9 is characterized in that this head is provided with putting chamber, and this magnet unit is placed in this putting chamber.

11. the attached element of magnetic as claimed in claim 10 is characterized in that, this putting chamber is formed by the adsorption plane indent of this head, and the magnetic face of this magnet unit is revealed in this putting chamber opening end.

12. the attached element of magnetic as claimed in claim 11 is characterized in that the magnetic face of this magnet unit protrudes from the adsorption plane of this head.

13. the attached element of magnetic as claimed in claim 11 is characterized in that the magnetic face of this magnet unit is depressed in the adsorption plane of this head.

14. the attached element of magnetic as claimed in claim 10 is characterized in that, this putting chamber is arranged on this head inside, and this magnet unit is embedded in this head.

15. the attached element of magnetic as claimed in claim 10 is characterized in that, this magnet unit periphery is provided with the flexuose protuberance, and this putting chamber inwall is arranged with a plurality of recesses, and described protuberance is corresponding with described recess.

16. the attached element of magnetic as claimed in claim 9 is characterized in that, the adsorption plane indent of this head forms at least one groove.

17. the attached element of magnetic as claimed in claim 9 is characterized in that this main body is made with magnet, this magnet unit and this main body are formed in one.

18. the attached element of magnetic as claimed in claim 9 is characterized in that, this head periphery is rounded.

19. the attached element of magnetic as claimed in claim 9 is characterized in that, this head periphery is hexagon.

20. the attached element of magnetic as claimed in claim 9 is characterized in that this body of rod is provided with fixing part.

21. the attached element of magnetic as claimed in claim 20 is characterized in that, this fixing part is a screw thread, and this thread-shaped is formed in this body of rod periphery.

22. the attached element of magnetic as claimed in claim 20 is characterized in that, this fixing part is provided with at least one card body, and this card body is formed by the end evagination of this body of rod away from this head.

23. the attached element of magnetic as claimed in claim 22, it is characterized in that this fixing part is at least two claws, this two claw extends to form away from this cephalad direction by this body of rod is past, be formed with profile groove between this two claw, each claw end is that a free end and evagination form this card body.

24. the attached element of magnetic as claimed in claim 9 is characterized in that, this body of rod is arranged with elastic buffer material part.

25. the attached element of magnetic as claimed in claim 9 is characterized in that this head is provided with sucker in this adsorption plane.

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