TWM636558U - Cooling fan with logo that does not follow the rotation - Google Patents

Abstract

A heat dissipation fan with non-heeled signs includes: a carrier seat, a stator assembly, an impeller, a sign and a mandrel. The carrier has a sleeve with a first fixing part in the sleeve; the stator assembly is sleeved and fixed on the sleeve; the impeller has a hub, the hub has a wheel surface and is provided with a rotor and a shaft connection structure, and the shaft connection structure is rotatably inserted into the sleeve Inside the barrel; the signs are separated from each other and arranged corresponding to the wheel surface; the mandrel is inserted into the shaft connection structure and bridged and fixed to the first fixing part and the sign. Wherein, the impeller can rotate relative to the sleeve, and the mark is fixed on the carrier through the mandrel and does not follow the rotation of the impeller. In this way, even when the cooling fan is running, the effect that the logo on the visual focal point of the cooling fan does not follow the rotation of the impeller can be achieved, so that the logo or/and the running cooling fan can be clearly seen Graphics on the logo.

Description

Cooling fan with no heel transition logo

This application is related to cooling fans, in particular to a cooling fan with a non-helical transformation mark.

Regarding cooling fans equipped with logos, there are already many products on the market. However, conventional cooling fans equipped with logos have the following deficiencies to be overcome.

It is known that the logo on the cooling fan is not arranged at the visual focal point of the cooling fan, so that the user or anyone else cannot easily see the logo. The most important thing is that the visual focal point of the cooling fan is the hub. When the cooling fan is running, the hub is also in a rotating state, so the logo set on the hub will follow the rotation of the hub. Even if the user or anyone else sees the logo , and because the logo is in the state of following the rotation of the wheel hub, it is difficult to see clearly, which has been criticized for a long time.

Therefore, how to design an application that can improve the above-mentioned deficiencies in the prior art is a major problem that the creators of the application want to solve.

The purpose of the present application is to provide a cooling fan with a non-following sign, which can still make the sign arranged at the visual focal point of the cooling fan not follow the rotation of the impeller when the cooling fan is running.

In order to achieve the above purpose, the present application provides a cooling fan with a non-following type mark, including: a carrier with a sleeve, and a first fixing part inside the sleeve; a stator assembly, sleeved and fixed on the sleeve a barrel; an impeller with a hub, the hub has a wheel surface and is provided with a rotor and a shaft connection structure, and the shaft connection structure is rotatably inserted into the sleeve; a mark is separately arranged corresponding to the wheel surface; and A mandrel is inserted into the shaft connection structure, and the mandrel is bridged and fixed on the first fixing part and the sign; wherein, the impeller can rotate relative to the sleeve, and the sign is fixed on the seat through the mandrel Instead of following the impeller rotation.

Compared with the prior art, the present application has the following effects: under the condition that the cooling fan is running, the sign arranged on the visual focal point of the cooling fan can still be prevented from following the rotation of the impeller, so that anyone can use it even when the cooling fan is running , can still clearly see the logo and / and the graphics on the logo.

The detailed description and technical content of the application are described below with the accompanying drawings, but the attached drawings are only for reference and description, and are not intended to limit the application.

As shown in Figures 1 to 2, the present application provides a cooling fan with a non-following type mark (hereinafter referred to as the cooling fan). See sign 8. The first embodiment of the present application is shown in FIGS. 1 to 4A , and the second embodiment is shown in FIG. 5 .

As shown in Figures 1 to 4A, the first embodiment of the cooling fan of the present application includes a carrier 1, a stator assembly 2, a circuit board 3, an impeller 4 (with a rotor 5), a spindle 6, a sign 8 and an elastic element S, and in one embodiment also includes a light guide plate 7 .

The carrier 1 is provided with a circuit board 3 and has a carrying surface 11 and a back surface 12 opposite to each other. The carrier 1 has a sleeve 13 extending on the bearing surface 11 , the sleeve 13 stands on the bearing surface 11 , and the stator assembly 2 is sleeved and fixed on the sleeve 13 . As shown in FIG. 4 and FIG. 4A , the sleeve 13 also has a first fixing portion 131 inside.

The first fixing portion 131 can be any structure used to fix the mandrel 6, and in this embodiment, the following description of this paragraph is taken as an example for illustration: the sleeve 13 has two openings (unmarked element symbols) opposite to each other, and the two The openings include: one of the openings adjacent to the bearing surface 11 and the other opening away from the bearing surface 11 , the one of the openings forms the first fixing portion 131 belonging to the insertion hole structure in a semi-closed manner as shown in FIG. 4A .

The impeller 4 has a hub 41 and a plurality of fan blades 42 , and each fan blade 42 is connected around the hub 41 . As shown in FIG. 2 , the hub 41 has an exposed outer surface 411 , and as shown in FIGS. 1 and 4A , a rotor 5 and a shaft connection structure 43 are provided. The shaft connection structure 43 is rotatably inserted into the sleeve 13 .

The above-mentioned shaft connection structure 43 is used to pivotally connect the aforementioned mandrel 6, which includes a hollow shaft sleeve 431 and at least two bearings 432. The hollow shaft sleeve 431 is a hollow column and is connected to the hub 41, so that the hollow shaft sleeve 431 penetrates the aforementioned wheel surface 411 and extend into the wheel hub 41, the wheel surface 411 is formed by being penetrated by the hollow bushing 431 to form an opening that is not marked with a symbol as shown in FIG.

The sign 8 is configured corresponding to the aforementioned wheel surface 411, and the sign 8 is separated from the wheel surface 411 (of course, the sign 8 is not connected to the impeller 4), so that the sign 8 will not rotate with the impeller 4 belonging to the rotating member. There is at least one picture and text on the mark 8 (the element symbol is not indicated).

The mandrel 6 is inserted in the shaft connection structure 43, that is, the shaft is connected to each bearing 432, and the mandrel 6 is bridged and fixed to the aforementioned first fixing portion 131 and the sign 8 (the mandrel 6 in FIG. 4A is passed through the light guide plate 7 to be indirectly fixed on the sign 8). It should be noted that, at this time, the sign 8 is suspended relative to the wheel surface 411 .

The elastic element S is sleeved on the mandrel 6 correspondingly, so that the elastic element S is elastically supported between the carrier 1 and the bearing 432 close to the first fixing portion 131 .

Thereby, as shown in FIG. 4 and FIG. 4A, when the cooling fan of the present application is activated, the impeller 4 is rotated relative to the sleeve 13. At this time, since the mandrel 6 is fixed on the first fixed part 131, it belongs to standing still. The bearing seat 1 of the component remains still together, and at the same time, the mark 8 fixed on the mandrel 6 also stands still, that is, the mark 8 does not follow the rotation of the impeller 4 . In this way, without following the rotation of the impeller 4, the present application can place the logo 8 on the visual focal point of the cooling fan: the wheel surface 411 of the hub 41, so that even if the cooling fan is running, anyone can can still clearly see the sign 8 or/and the pictures and texts on the sign 8.

In an embodiment, as shown in FIGS. 1 to 4A , at least one light emitting element 31 may be added to the above-mentioned circuit board 3 , and the light irradiated by the light emitting element 31 can illuminate the sign 8 , as described in detail below.

The circuit board 3 is arranged on the back surface 12 of the carrier 1, and the light-emitting element 31 corresponds to one end of the mandrel 6, and this end of the mandrel 6 is plugged and fixed to the first fixing part 131, and the sign 8 is fixed on the mandrel. 6 on the other end. It should be noted that the other end of the mandrel 6 forms a connecting end 61 as shown in FIG. It is suitable for accommodating the light-emitting element 31 and making the light-emitting element 31 closer to one end of the mandrel 6 .

The mandrel 6 can be any structure that can pass the light irradiated by the light-emitting element 31. These structures can be, for example, a hollow shaft (as shown in FIG. 4 and FIG. 4A ) or a non-hollow shaft (not shown in the figures). The application is not limited to this, and in this embodiment, the hollow shaft is taken as an example for description as follows: As shown in Figure 4A, the mandrel 6 is provided with a hollow channel 60, and the light-emitting element 31 and the hollow channel 60 correspond to each other, so that The light irradiated by the light emitting element 31 can enter the hollow passage 60 from one end of the mandrel 6 , and then pass through the hollow passage 60 to be emitted from the other end of the mandrel 6 .

Thereby, as shown in FIG. 4A , the light irradiated by the light-emitting element 31 will enter from one end of the mandrel 6, and then pass through the hollow passage 60 to be emitted from the other end of the mandrel 6 and directed to the sign 8, so as to directly illuminate The sign 8 is bright, so that anyone can see the sign 8 or/and the pictures and texts on the sign 8 more clearly when the cooling fan is running.

Among them, the sign 8 is a transparent, semi-transparent or opaque object, and the picture and text can also be transparent, semi-transparent or opaque. For example: the sign 8 itself can be an opaque sheet body, graphics and text can be light-transmitting design.

In yet another embodiment, as shown in FIGS. 1 to 4A, the cooling fan of the present application may also include a light guide plate 7, the light guide plate 7 has a second fixing portion 722, and the mandrel 6 is bridged and fixed on the aforementioned first A fixing part 131 and a second fixing part 722, as for the mark 8, the other end corresponding to the mandrel 6 (or the hollow channel 60 corresponding to the mandrel 6) is arranged on the light guide plate 7, so that the light guide plate 7 and the sign 8 follow The carrier 1 is stationary together, that is, neither the light guide plate 7 nor the sign 8 will follow the rotation of the impeller 4 . The light irradiated by the light emitting element 31 is directed to the light guide plate 7 and the sign 8 through the hollow channel 60 . It should be noted that, at this time, the light guide plate 7 is suspended relative to the wheel surface 411 together with the sign 8 .

In this way, when the light irradiated by the light-emitting element 31 is emitted from the other end of the mandrel 6 and directed to the light guide plate 7 and the sign 8, the light guide plate 7 will emit light behind the sign 8, and then let the sign 8 or/and sign 8 be illuminated. The graphics and text are indirectly illuminated.

In addition, the present application can also add a light diverging structure 72 on the light guide plate 7 , the light diverging structure 72 corresponds to the other end of the mandrel 6 , in other words, the light diverging structure 72 is located between the light guide plate 7 and the other end of the mandrel 6 . In this way, when the light exits from the other end of the mandrel 6 , it will pass through the light diverging structure 72 first, and then enter the light guide plate 7 and the sign 8 . Moreover, the aforementioned second fixing portion 722 is disposed on the light diverging structure 72, and the second fixing portion 722 can be any structure that can be used to fix the mandrel 6, and in this embodiment, it is an insertion hole as shown in FIG. 4A . In this way, the present application can make the light guide plate 7 have the effect of uniform brightness through the light diverging structure 72 . Wherein, the shape of the light diverging structure 72 can be, for example, approximately conical as shown in FIG. 1 and protrudes from the central portion of the light guide plate 7 .

As shown in FIG. 5 , it is the second embodiment of the cooling fan of the present application. The second embodiment is substantially the same as the first embodiment, and the only difference is the second fixing portion 722 .

The second fixing part 722 includes a convex post 7221, a ring wall 7222 and a concave groove 7223, the ring wall 7222 surrounds the convex post 7221, the concave groove 7223 is formed between the ring wall 7222 and the convex post 7221, and the mandrel 6 is plugged and fixed In the concave groove 7223 , insert the boss 7221 into the hollow channel 60 for a certain length. Since the second fixing portion 722 is arranged on the light-diffusing structure 72, the protrusion 7221 is part of the light-diffusing structure 72, so that the distance between the light-emitting element 31 and the light-diffusing structure 72 can be shortened, that is, the light-diffusing structure 72 can be improved. The effect brought about.

Therefore, in addition to having all the effects of the first embodiment, the second embodiment can further enhance the brightness uniformity effect brought by the light-diffusing structure 72 by using the protrusions 7221 .

In other embodiments not shown in the drawings, when the mandrel 6 is a hollow shaft, light guide structures such as optical fibers can be further added in the hollow channel 60 to improve brightness; when the mandrel 6 is not hollow shaft, the mandrel 6, for example, can be a solid shaft made of light-guiding material, so when the light-emitting element 31 emits light, the light will enter from one end of the mandrel 6, and then pass through the light-guiding function of the mandrel 6 from the The other end of the mandrel 6 shoots out.

In summary, this application has a cooling fan that does not follow the transformation mark, which can indeed achieve the intended purpose of use, and solves the lack of conventional knowledge, and fully meets the requirements for new patent applications. Please file an application in accordance with the Patent Law. Please check carefully and The patent of this case is granted to protect the rights of the creator of this application.

The above is only a preferred embodiment of this application, and does not limit the patent scope of this application. All equivalent structural changes made by using the description and drawings of this application are all included in this application. Within the scope of the rights, I agree with Chen Ming.

1: seat 11: Bearing surface 12: back 121: containment space 13: Sleeve 131: The first fixed part 2: Stator assembly 3: circuit board 31: Light emitting element 4: impeller 41: hub 411: wheel surface 42: fan blade 43: Shaft connection structure 431: hollow bushing 432: Bearing 5: rotor 6: mandrel 60: hollow channel 61: Connection end 7: Light guide plate 72: light divergence structure 722: The second fixed part 7221: convex column 7222: ring wall 7223: concave groove 8: Logo S: Elastic element

FIG. 1 is an exploded perspective view of the first embodiment of the present application.

FIG. 2 is an exploded perspective view of the impeller, the light guide plate and the sign in the first embodiment of the present application.

FIG. 3 is a three-dimensional assembled view of the first embodiment of the present application.

FIG. 4 is a schematic cross-sectional view of the assembled first embodiment of the present application.

FIG. 4A is a partial enlarged view of the first embodiment of the present application according to FIG. 4 .

FIG. 5 is a partial cross-sectional schematic diagram of the second embodiment of the present application.

1: seat

11: Bearing surface

12: back

121: containment space

13: Sleeve

131: The first fixed part

2: Stator assembly

3: circuit board

31: Light emitting element

4: impeller

41: hub

411: wheel surface

42: fan blade

43: Shaft connection structure

431: hollow bushing

432: Bearing

5: rotor

6: mandrel

60: hollow channel

7: Light guide plate

72: light divergence structure

722: The second fixed part

8: Logo

S: Elastic element

Claims (10)

A cooling fan with a sign of non-heeling transformation, including: A carrier has a sleeve, and the sleeve has a first fixing part inside; A certain stator assembly is sleeved and fixed on the sleeve; An impeller has a hub, the hub has a surface and is provided with a rotor and a shaft connection structure, and the shaft connection structure is rotatably inserted into the sleeve; a logo, corresponding to the tread configuration separately from each other; and A mandrel is inserted into the shaft connection structure, and the mandrel is bridged and fixed on the first fixing part and the sign; Wherein, the impeller can rotate relative to the sleeve, and the mark is fixed on the seat through the mandrel without following the rotation of the impeller. The cooling fan with a non-following type mark as described in claim 1 further includes a circuit board, which is arranged on the carrier and has a light-emitting element, the light-emitting element corresponds to the mandrel, and the light-emitting element illuminates The light from the mandrel is directed at the sign. The heat dissipation fan with the non-following type mark as described in claim 2, wherein the carrier has a bearing surface and a back surface opposite to each other, the sleeve stands upright on the bearing surface, the circuit board is arranged on the back surface, and the back surface A containing space for containing the light-emitting element is formed. The heat dissipation fan with non-following type logo as described in claim 2, wherein the mandrel defines a hollow channel, and the light irradiated by the light-emitting element is directed to the logo through the hollow channel. The heat dissipation fan with a non-following type mark as described in claim 2 further includes a light guide plate, the light guide plate has a second fixing part, the mandrel is bridged and fixed to the first fixing part and the second fixing part, The sign is arranged on the light guide plate corresponding to the mandrel, and the light irradiated by the light-emitting element is directed to the light guide plate and the sign through the mandrel. The cooling fan with non-following type mark as described in claim 5, wherein the light guide plate is also provided with a light diverging structure, the light emitting element corresponds to one end of the mandrel, and the light diverging structure corresponds to the other end of the mandrel And the second fixing part is provided. The cooling fan with a non-following type mark as described in claim 5 or 6, wherein the second fixing part includes a convex post, a ring wall and a concave groove, the ring wall surrounds the convex post, and the concave groove is formed on the Between the ring wall and the protruding post, the mandrel is plugged and fixed in the concave groove and a hollow channel is opened, and the protruding post is inserted into the hollow channel for a certain length. The cooling fan with non-following type mark as described in claim 1, wherein the shaft connection structure includes a hollow bushing and at least two bearings, the hollow bushing is connected to the hub and penetrates the wheel surface, and the at least two bearings are Set in the hollow shaft sleeve. According to claim 1, the heat dissipation fan with a non-following type mark further includes an elastic element sleeved on the spindle and elastically supported between the shaft connection structure and the carrier. According to claim 1, the cooling fan with non-following type mark further includes a circuit board, and the circuit board is arranged on the carrier.

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