Case fan convenient to clean

Abstract

The utility model relates to a case fan convenient to clean, which comprises a mounting panel, the mounting panel is provided with a plurality of mounting areas, the inner walls of the mounting areas are connected with a mounting plate, the front side of the mounting plate is provided with a mounting cylinder, a first groove and a second groove are arranged in the mounting cylinder, a clamping shaft is slidably arranged in the first groove, and fan blades are rotatably mounted on the front side of the clamping shaft. A locking piece is arranged in the second groove in a sliding mode. The locking piece is arranged to be in the claw shape and is divided into the left claw and the right claw, the locking piece is matched with the locking column, and the elastic piece is connected between the locking piece and the mounting plate, so that stable mounting of the fan is achieved; during use, the fan blades are fixedly mounted on the mounting barrel under the action of the locking piece and the locking column, and the whole fan blades are located in the mounting area; and during cleaning, the fan blades only protrude out of the mounting panel instead of being separated from the mounting cylinder, so that the fan blades can be cleaned, the situation that the fan blades cannot be easily mounted after being directly taken out for cleaning can be avoided, the rejection rate of cleaning is reduced, and the use feeling is improved.

Description

Technical Field

[0001] This utility model belongs to the field of fan technology, specifically relating to a chassis fan. Background Technology

[0002] In traditional fan designs, the fan blades are usually positioned below the mounting panel during operation. This design is primarily to prevent the blades from scratching users or damaging surrounding objects while rotating, meaning the area behind the blades becomes relatively hidden. Furthermore, due to the limitations of the fan structure, users often cannot directly access this area, leading to the accumulation of dust and dirt on the back of the blades. Over time, this not only affects the fan's operating efficiency but may also damage components such as the fan motor, shortening the fan's lifespan.

[0003] Most users choose to remove the fan blades for cleaning. While this method can clean the fan blades more thoroughly, some inexperienced users may disassemble and install the fan blades improperly. This not only makes it difficult to install the fan blades but may also damage some parts of the fan. Furthermore, a loose fit between the fan blades and the motor will also affect the fan's performance.

[0004] Therefore, a chassis fan was designed that allows the fan blades to be moved to protrude from the mounting panel during cleaning, facilitating cleaning while maintaining the connection between the fan blades and the main body, and enabling easy installation of the fan blades after cleaning. Utility Model Content

[0005] The purpose of this invention is to provide a chassis fan that is easy to clean, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a chassis fan that is easy to clean, including a mounting panel, the mounting panel having multiple mounting areas, a mounting plate connected to the inner wall of the mounting area, a mounting cylinder on the front side of the mounting plate, a first groove and a second groove inside the mounting cylinder, a retaining shaft slidably disposed in the first groove, a fan blade rotatably mounted on the front side of the retaining shaft, and a locking element slidably disposed in the second groove.

[0007] Preferably, the rear side of the retaining shaft is connected to the locking member via an arc-shaped block.

[0008] Preferably, the front side of the locking member is divided into a left claw and a right claw by symmetrically opening slots, and a first inclined surface is provided in the slot.

[0009] Preferably, the mounting cylinder is provided with an elastic element, which is connected between the mounting plate and the rear side of the locking element.

[0010] Preferably, the mounting cylinder has sliding grooves on both the left and right sides, and a locking pin is slidably arranged in the sliding groove, with a second inclined surface on the inner side of the locking pin.

[0011] Preferably, the top of the locking pin has a locking groove.

[0012] Preferably, a force application area is provided on the outer side of the locking pin.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model sets the locking member in the shape of a claw, divided into a left claw and a right claw. Through the cooperation between the locking member and the locking pin, and the elastic member connecting the locking member and the mounting plate, a stable installation of the fan is achieved. During cleaning, simply push the fan blade and the locking pin backward, and then move the locking pin outward to stop jamming the locking member. Subsequently, under the action of the elastic member, the locking member drives the fan blade forward to the front end of the second slot, making the fan blade protrude from the mounting panel. This facilitates cleaning of the rear side of the fan blade. After cleaning, push the fan blade backward again to reset the locking pin and reposition the locking member and the fan blade. During use, the fan blade is fixedly installed on the mounting cylinder under the action of the locking member and the locking pin, and its entire body is located within the installation area. During cleaning, the fan blade only protrudes from the mounting panel, rather than detaching from the mounting cylinder, which can achieve cleaning of the fan blade. It also avoids the situation where the fan blade cannot be easily reinstalled after being directly removed for cleaning, reducing the scrap rate during cleaning and improving the user experience. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0015] Figure 2 This is an exploded view of the present invention;

[0016] Figure 3 This is an exploded view of the fan blade portion in this utility model;

[0017] Figure 4 This is an exploded view of the mounting cylinder in this utility model;

[0018] Figure 5 This is a three-dimensional structural diagram of the locking post and the force application area in this utility model;

[0019] Figure 6 This is a cross-sectional view of the novel experimental design.

[0020] The numbers in the diagram are: 1-Mounting panel, 2-Mounting area, 3-Mounting plate, 4-Mounting cylinder, 5-First groove, 6-Second groove, 7-Clamping shaft, 8-Fan blade, 9-Locking component, 10-Arc block, 11-Elastic component, 12-Clamping groove, 13-Left claw, 14-Right claw, 15-First inclined surface, 17-Slide groove, 18-Locking pin, 19-Second inclined surface, 20-Locking groove, 21-Force application area. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1

[0023] like Figures 1 to 6 A chassis fan that is easy to clean includes a mounting panel 1, which has multiple mounting areas 2. The inner wall of the mounting area 2 is connected to a mounting plate 3. The front side of the mounting plate 3 is provided with a mounting cylinder 4. The mounting cylinder 4 has a first groove 5 and a second groove 6. A retaining shaft 7 is slidably provided in the first groove 5. A fan blade 8 is rotatably mounted on the front side of the retaining shaft 7. A locking member 9 is slidably provided in the second groove 6. The rear side of the retaining shaft 7 is connected to the locking member 9 through an arc-shaped block 10. The front side of the locking member 9 is divided into a left claw 13 and a right claw 14 by symmetrically opened slots 12. The slots 12 have a first inclined surface 15. An elastic member 11 is provided in the mounting cylinder 4. The elastic member 11 is connected between the mounting plate 3 and the rear side of the locking member 9. The left and right sides of the mounting cylinder 4 have sliding grooves 17. A locking post 18 is slidably provided in the sliding grooves 17. The inner side of the locking post 18 has a second inclined surface 19. The top of the locking post 18 has a locking groove 20. The outer side of the locking post 18 has a force application area 21.

[0024] This invention achieves a stable installation of the fan by setting the locking member 9 in a claw shape, consisting of a left claw 13 and a right claw 14, and by cooperating with the locking member 9 and the locking pin 18, as well as the elastic member 11 connecting the locking member 9 and the mounting plate 3. During cleaning, simply push the fan blade 8 and the retaining shaft 7 backward, and then move the locking pin 18 outward to no longer jam the locking member 9. Subsequently, under the action of the elastic member 11, the locking member 9 drives the fan blade 8 forward to the front end of the second groove 6, protruding the fan blade 8 from the mounting panel 1, facilitating cleaning of the rear side of the fan blade 8. After cleaning, push the fan blade 8 backward again to reset the locking pin 18 and limit the installation of the locking member 9 and the fan blade 8. During use, the fan blade 8 is fixedly installed on the mounting cylinder 4 under the action of the locking member 9 and the locking pin 18, and its whole body is located within the mounting area 2. During cleaning, the fan blade 8 only protrudes from the mounting panel 1, rather than detaching from the mounting cylinder 4, so that the fan blade 8 can be cleaned. This also avoids the situation where the fan blade 8 cannot be easily installed after being directly removed for cleaning, reducing the scrap rate of cleaning and improving the user experience.

[0025] Example 2

[0026] like Figures 1 to 6A chassis fan that is easy to clean includes a mounting panel 1 with two mounting areas 2. The number of mounting areas 2 is designed according to actual needs. The inner wall of the mounting area 2 is connected to a mounting plate 3, which is a circular plate connected at the center of three connecting rods. The front side of the mounting plate 3 is provided with a mounting cylinder 4. The mounting cylinder 4 has a first groove 5 and a second groove 6. Both the first groove 5 and the second groove 6 are cylindrical. The first groove 5 is located on the side close to the fan blade 8, and its groove size is smaller than that of the second groove 6. When a retaining shaft 7 is slidably installed in the first groove 5 and a locking member 9 is slidably installed in the second groove 6, the locking member 9 is limited to the second groove 6. The rear side of the retaining shaft 7 is connected to the locking member 9 by an arc-shaped block 10, which can limit the retaining shaft 7 to be limited in the mounting cylinder 4. After the fan blade 8 is installed on the front side of the retaining shaft 7, the fan blade 8 is limited.

[0027] When the locking member 9 fixes the retaining shaft 7 inside the mounting cylinder 4, it can support the stable operation of the fan blade 8. The locking member 9 is specifically a cylinder with the same diameter as the second groove 6, which allows the locking member 9 to slide inside the mounting cylinder 4. At the same time, the rear side of the mounting cylinder 4 is connected to the mounting plate 3, which closes and limits the rear side of the locking member 9. The front side of the locking member 9 has symmetrical slots 12, which makes the appearance of the locking member 9 claw-shaped, with a left claw 13 and a right claw 14 on the left and right sides, respectively. Each slot 12 has a first inclined surface 15, which is located inside the left claw 13 and the right claw 14.

[0028] Both sides of the mounting cylinder 4 are provided with sliding grooves 17, and locking pins 18 are slidably connected in the sliding grooves 17. These locking pins are cylindrical in shape and have the same inner diameter as the sliding grooves 17. Each locking pin 18 has a locking groove 20 on the side near the locking member 9. The locking groove 20 is engaged with the left claw 13 and the right claw 14 respectively. At the same time, the inner side of the locking pin 18 has a second inclined surface 19. It can be understood that the second inclined surface 19 of the locking pin 18 contacts the slot 12, and the locking groove 20 locks the left claw 13 and the right claw 14, so that the first inclined surface 15 contacts the inner wall of the locking groove 20. When the user pulls the fan blade 8 forward, it can drive the locking shaft 7 forward, and then drive the locking member 9 forward in the mounting cylinder 4 through the arc block 10. The left claw 13 and the right claw 14 on the locking member 9 move forward, and drive the locking groove 20 inward through the first inclined surface 15, thereby driving the entire locking pin 18 to slide into the sliding groove 17, easily completing the installation of the fan blade 8.

[0029] To further strengthen the secure installation of the fan blade 8, an elastic element 11 is installed inside the mounting cylinder 4, specifically within the second groove 6. The overall diameter of the elastic element 11 is similar to that of the second groove 6, allowing it to fit snugly against the inner wall of the second groove 6 and preventing any impact on subsequent wiring connections. The elastic element 11 is connected between the front side of the mounting plate 3 and the rear side of the locking element 9. Under normal conditions, the locking element 9 is fixed within the mounting cylinder 4 by the action of the spring, and the locking pins 18 are all located within the sliding grooves 17. When the user needs to clean the rear side of the fan blade 8 near the tripod, the fan blade 8 needs to be pulled forward until it is not on the same horizontal line as the mounting area 2, thus leaving space for cleaning the rear side of the fan blade 8.

[0030] At this time, the user first pushes the fan blade 8 and the locking shaft 7 backward, which in turn drives the locking shaft 7 to move backward. At this time, the elastic element 11 is compressed, and the left claw 13 and the right claw 14 no longer lock the locking groove 20. Taking this opportunity, the two locking pins 18 are moved outward through the sliding groove 17 until the second inclined surface 19 contacts the outer side of the locking element 9 and fixes the state of the locking pins 18. At the same time, the force applied to the fan blade 8 is released, and the elastic element 11 resets and drives the fan blade 8 to move forward. At this time, since the locking element 9 is no longer limited by the locking pins 18, it can move forward to the front end of the second groove 6, making the fan blade 8 protrude from the mounting panel 1, which is convenient for cleaning the rear side of the fan blade 8.

[0031] Correspondingly, after cleaning is completed, the user pushes the fan blade 8 backward. At this time, the user manually pushes the locking pin 18 inward through the slide groove 17, causing the second inclined surface 19 of the locking groove 20 to return to its original position and contact the left claw 13 and the right claw 14. Then, the user stops pressing the fan blade 8, and the elastic element 11 drives the locking element 9 to move forward, which in turn drives the left claw 13 and the right claw 14 to push the locking groove 20 inward into the slide groove 17, thus completing the reinstallation of the fan blade 8.

[0032] As can be seen from the above, during use, the fan blade 8 is fixedly installed on the mounting cylinder 4 under the action of the locking member 9 and the locking pin 18, and its whole body is located within the mounting area 2; while during cleaning, the fan blade 8 only protrudes from the mounting panel 1, rather than being removed from the mounting cylinder 4, so that the fan blade 8 can be cleaned, and the situation that the fan blade 8 cannot be easily installed after being directly removed for cleaning can be avoided, thereby reducing the scrap rate of cleaning and improving the user experience.

[0033] Example 3

[0034] like Figures 1 to 6 A chassis fan that is easy to clean has a hollow force application area 21 extending outward from the lower outer half of the locking post 18, considering that the locking post 18 is cylindrical. When the user applies force to the fan blade 8 with one hand, the other hand cannot easily move and fix the locking post 18. The user can easily control the locking post 18 by pressing two fingers against the force application area 21, which further facilitates the convenient cleaning of the fan blade 8.

[0035] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0036] The above description is only used to illustrate the technical solution of this utility model and is not intended to limit it. Any other modifications or equivalent substitutions made by those skilled in the art to the technical solution of this utility model, as long as they do not depart from the spirit and scope of the technical solution of this utility model, should be covered within the scope of the claims of this utility model.

Claims

1. A machine case fan convenient to clean, comprising a mounting panel (1) provided with a plurality of mounting areas (2), and a mounting plate (3) connected to the inner wall of the mounting area (2), characterized in that, The mounting plate (3) front side is equipped with mounting cylinder (4), the first slot (5) and the second slot (6) are opened in mounting cylinder (4), the first slot (5) is equipped with the clamping shaft (7) inside sliding, the clamping shaft (7) front side is equipped with the fan blade (8) rotationally, the second slot (6) is equipped with locking piece (9) inside sliding.

2. The case fan of claim 1, wherein, The clamping shaft (7) rear side is connected with the locking piece (9) through the arc block (10).

3. The case fan of claim 2, wherein, The locking piece (9) front side is divided into left claw (13) and right claw (14) through the symmetrically opened clamping slot (12), the first inclined surface (15) is equipped in the clamping slot (12).

4. The case fan of claim 1, wherein, The mounting cylinder (4) is equipped with the elastic element (11), the elastic element (11) is connected between the mounting plate (3) and the rear side of locking piece (9).

5. The case fan of claim 4, wherein, The sliding slot (17) is opened in the left and right sides of mounting cylinder (4), the lock post (18) is equipped in the sliding slot (17) sliding, the second inclined surface (19) is equipped in the inside of lock post (18).

6. The case fan of claim 5, wherein, The lock slot (20) is opened in the top of lock post (18).

7. The case fan of claim 5, wherein, The force area (21) is equipped on the outside of lock post (18).

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