JPH03274795A - Fan mounting structure - Google Patents

Abstract

PURPOSE:To mount a fan by a comparatively simple structure and moreover by a comparatively simple operation by providing a frame body with a pair of engaging portions, engaging one engaging portion by a first action piece integrally provided with a support frame and detachably engaging the other engaging portion with the support frame by a second action piece. CONSTITUTION:Engaging portions 14 and 16 extending toward the angle portions of a frame body 2 are integrally formed by making the neighboring parts of both sides of the angle portions of the frame body 2 hollow in an approximately triangular configuration. A fan is located on a support frame 20 to be moved in a direction shown by an arrow 32 (left) and the action tongue piece 22 of the support frame 20 and the one engaging portion 14 of the frame body 2 are engaged with each other. Then, the acting portion 30 of a fixed member 26 is made act on the other engaging portion 16 of the frame body 2 and, in this condition, the base portion 28 of the fixed member 26 is mounted to the support frame 20 by mounting screws 24.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a fan mounting structure for mounting a cooling fan to a support frame.

[Prior art and its drawbacks]

-S, the fan that cools the inside of the device includes a substantially rectangular frame body and a blade body rotatably attached to the frame body. Through-holes are formed in the four corners of the frame body, and screw holes are formed in the support frame corresponding to each of the through-holes, and the mounting screws are passed through the through-holes. The fan is mounted as required on the support frame by screwing onto the support frame.

However, with the conventional mounting structure, four mounting screws are required, which increases manufacturing costs, and these mounting screws must be hinged for installation, making the installation process complicated. There are issues that need to be addressed.

[Purpose of the invention]

The present invention has been made in view of the above facts, and its original purpose is to provide a fan mounting structure that has a relatively simple configuration and allows a fan to be mounted with relatively simple work. be.

[Summary of the invention]

In the fan mounting structure of the present invention, the fan includes a frame body on which the blades are rotatably mounted, and the frame body is provided with a pair of locking portions, one of the locking portions being integrally provided with the support frame. The other locking part is locked by a second working piece δ which is detachably attached to the support frame.

Furthermore, in the fan mounting structure of the present invention, the fan includes a frame body to which the blades are rotatably mounted, the frame body is provided with a locking portion and a through hole, and the locking portion is integrally provided with the support frame. The through hole is attached to the support frame via a pin-like member that is attached through a hole provided in the support frame.

[Specific examples of the invention]

Further details will be given below with reference to the accompanying drawings.

First Specific Example FIGS. 1 and 2 show a first specific example of the fan mounting structure according to the present invention.

In FIG. 1, the illustrated fan includes a frame body 2 having a substantially rectangular shape. The frame main body 2 has a main body part 4 located on the outer periphery, a blade attachment part 6 located approximately in the center, and a plurality of connection parts 8 that connect the main body part 4 and the blade attachment part 6. The air blowing blade IO is rotatably attached to the frame body 2. The vane body 10 has a circular central body (not shown) and a plurality of vanes 12 extending radially outwardly from the central body at circumferential intervals,
A shaft member (not shown) provided in the central body portion is rotatably supported by the blade attachment portion 6 of the frame body 2 via bearing means. Although not shown, a stator is disposed in the blade attachment portion 6, and a rotor magnet is attached to the central body portion of the blade body 10 in proximity to the stator. The above-described configuration of the fan is substantially the same as known, and the blades 10 are rotated by supplying current to the armature coils of the stator as required.

The mounting style of the fan will be explained with reference to FIG. 1 and FIG. 2. In the first specific example, locking portions 14 and 16 are provided at the lower corners of the frame main body 2. In the illustrated example, the locking portions 14 extending toward the corners are recessed in a substantially triangular shape near both sides of the corners of the frame body 2.
and 16 are integrally formed. Locking parts 14 and 16
is formed between both end walls 18 and 19 of the frame main body 2,
One side surfaces 14a and 16a (the upper surface in FIG. 1) of the locking portions 14 and 16 act as locking surfaces, as will be described later.

A support frame 20 (for example, a support frame of a copying machine, a word processor, a personal computer, etc.) to which the fan is attached has an operating tongue piece (functioning as a first operating piece) 22 and a female screw thread corresponding to the fan attachment part. A hole is formed.

The working tongue piece 22 is formed by cutting and raising a part of the support frame 20, and extends linearly upward from the support frame 20 at a predetermined angle. A fixing member 26 (functioning as a second working piece) is removably attached to the female threaded hole by a mounting screw 24. The fixing member 26 is attached to the support frame 20
It has a base 28 that is attached to the base 28, and an action part 30 that extends linearly upward at a predetermined angle from the base 28.

The fan is installed as follows: First, place the fan on the support frame 20 in the direction shown by the arrow 32 (
(to the left in FIG. 1) to engage the working tongue piece 22 of the support frame 20 with the locking part 14 on one side of the frame body 2. Next, the action portion 30 of the fixing member 260 is made to act on the other locking portion 16 of the frame body 2, and the base portion 28 of the fixing member 26 is attached to the support frame 20 with the mounting screw 24 while being made to act in this manner. The frame body 2 of the fan is then held in position by the working tongue 22 and the fixing member 26, and the frame body 2 is fixed on the support frame 2. In this fixed state, since the pair of locking parts 14 and 16 of the fan are located between the working tongue piece 22 and the fixing member 26, the working tongue piece 22 and the fixing member 26 cause the fan to move in the left-right direction in FIG. Movement and vertical movement are reliably prevented. Further, since the working tongue piece 22 and the fixing member 26 are located between the both end walls 18 and 19 of the fan frame body 2, the working tongue piece 22
The fixing member 26 also reliably prevents the fan from moving in the direction perpendicular to the plane of the paper in FIG.

In order to more securely fix the fan, it is preferable that the fixing member 26 is made of, for example, a leaf spring and is held in a predetermined position by the elastic force of the fixing member 26.

Note that instead of the fixing member 26, the operating tongue piece 22 may be made elastic, and the fixing member 26 and/or the operating tongue piece 22 (the surface that acts on the locking portions 14 and 16) may have a sheet-like shape. A rubber material may be provided.

FIG. 3 shows a modification of the fixing member. In FIG. 3, the illustrated fixing member 26' is composed of a wire-like member, and its base 28' is approximately U-shaped, and its operating portions 30' extend from both ends of the base 28' at a predetermined distance. It extends in a straight line with an upward slope. Such a fixing member 2
6' is used in place of the fixing member 26 in FIGS. 1 and 2, and its base 28' is attached to the washer 3 as shown in FIG.
4 and attachment screws 24 to the support frame 20 . Also in this modification, the working part 30° of the fixing member 26°
Preferably, the material is somewhat elastically deformed.

Second Specific Example FIGS. 4 and 5 show a part of a second specific example of the fan mounting structure according to the present invention. Note that the same members as those in the specific example shown in FIGS. 1 and 2 will be described with the same numbers.

4 and 5, the basic configuration of the fan in the second specific example is substantially the same as that in the first specific example, and a pair of fans are provided at the lower corners of the rectangular frame body 2. A locking portion 16 (only one of which is shown in FIGS. 4 and 5) is provided. Then, one of the pair of locking portions 16 is attached in the axial direction (in the direction perpendicular to the plane of the paper in FIG.
A through hole 42 is formed that extends in the vertical direction (in the figure) (also passes through the end wall of the frame body 2).

The support frame 20 to which the fan is attached also has a pair of fixing members 44 and 46 corresponding to one of the locking parts 16.
An operating tongue (not shown) similar to that of the first embodiment is provided corresponding to the other locking part (not shown). The pair of fixing members 44 and 46 can be made of synthetic resin, for example, and are fixed to the support frame 20 with an adhesive at a predetermined distance. These fixing members 44 and 46 can also be fixed by outsert molding.
. Through holes 48 and 50 are formed in the fixing members 44 and 46 in correspondence with the through hole 42 of the frame body 2. Further, the working tongue piece can be formed by cutting and raising a part of the support frame 20, similarly to the first specific example.

To install the fan in such a second embodiment, the fan may be mounted on the support frame 20 by i! 4, and engage the operating tongue (not shown) of the support frame 20 with the other retaining piece (not shown) of the fan, and move the fan to the left in FIG. The lower right portion is positioned between the pair of fixing members 44 and 46. Next, the through holes 48 and 50 of the pair of fixing members 44 and 46 are aligned with the through hole 42 of the frame body 2, and these through holes 42°4
A fixing pin 52 (acting as a pin-like member) is inserted through 8 and 50. In this way, the working tongue piece and the fixing pin 52 of the support frame 20 prevent the frame body 2 from moving in the left-right direction and the vertical direction in FIG. 4, and the working tongue piece and the pair of fixing members 44 and 46 prevent the frame Movement of the main body 2 in the direction perpendicular to the plane of the paper in FIG. 4 is prevented, thus holding the fan in a predetermined mounting position. In addition, in this second specific example, in order to securely fix the fan, the operating tongue (not shown) can be made to have elasticity.

Although specific examples of the fan mounting structure according to the present invention have been described above, the present invention is not limited to these specific examples, and various modifications and modifications can be made without departing from the scope of the present invention.

For example, the shape of the locking portion provided on the frame body and the operating tongue and/or fixing member that acts on the locking portion can be selected as appropriate.

[Brief explanation of drawings]

FIG. 1 is a front view showing a first specific example of the fan mounting structure according to the present invention. FIG. 2 is a partial plan view showing the fixing member and its vicinity in the fan mounting structure of FIG. 1, viewed from above. FIG. 3 is a partial plan view showing a modified example of the fixing member. FIG. 4 is a partial front view showing a part of a second specific example of the fan mounting structure according to the present invention. FIG. 5 is a sectional view taken along the line ■-■ in FIG. 4. 10...Blade bodies 14 and 16...Locking portion 20...Support frame 22...Working tongue piece 26...Fixing member 42...Through holes 44 and 46...Fixing member 48 and 50...Through hole 52...Fixing pin

Claims (2)

[Claims] 1. In a fan mounting structure in which a fan is attached to a support frame of a device, the fan includes a frame body to which a blade body is rotatably mounted, and the frame body is provided with a pair of locking parts, one of which is attached to the frame body. The locking part is locked by a first working piece integrally provided on the support frame, and the other locking part is locked by a second working piece detachably attached to the support frame. A fan mounting structure characterized by: 2. In a fan mounting structure in which a fan is attached to a support frame of an apparatus, the fan includes a frame body to which a blade body is rotatably mounted, the frame body is provided with a locking part and a through hole, and The locking part is locked by an action piece provided integrally with the support frame, and the through hole is installed on the support frame via a pin-like member installed through a hole provided in the support frame. A fan mounting structure characterized by: