JP7409708B1 - Fixtures for blower fan units, racks, and electronic equipment - Google Patents

Abstract

An object of the present invention is to provide a fixing device for a blower fan unit, etc., which can contribute to the use of the fixing device for the blower fan unit as is even if the exhaust system is changed when relocating an electronic device.
A fixing device for a blower fan unit includes a first fixing device component attached to the blowing fan unit and a second fixing device component attached to the top or back surface of a rack, the second fixing device component being attached to the top or rear surface of a rack. is configured to slidably engage the first fixture part in the longitudinal direction of the first fixture part, and is configured to slidably engage the first fixture part in the longitudinal direction of the first fixture part; It is configured to engage with the first fixture part by pushing toward the rack.
[Selection diagram] Figure 12

Description

The present invention relates to a fixture for a blower fan unit, a rack, and an electronic device.

Generally, electronic devices such as storage devices, control devices, communication devices, etc. are mounted in multiple stages in racks for operation, and depending on the customer's installation location, a blower fan unit is installed to cool the electronic units. There are two methods: a top exhaust method that exhausts air by placing it on the top of the electronic unit (for example, Patent Documents 1 to 3), and a back exhaust method that exhausts air by placing it on the back of the electronic unit (for example, Patent Document 4). Limited to either method. Further, in the above-mentioned electronic devices, a back area is often not provided as a maintenance work area around the rack. Furthermore, in electronic devices such as those described above, maintenance and replacement of the blower fan unit alone are often required. Therefore, when designing such electronic equipment, the exhaust system must be designed according to the customer's installation location, whether or not maintenance work can be performed at the back, and the fixing structure of the blower fan must be designed according to each condition. was designing. Specifically, in the case of a top exhaust system or when maintenance work on the rear side was not possible, a structure was adopted in which the blower fan unit was inserted from the front of the rack, and in the case of a rear exhaust system, a structure was adopted in which the blower fan unit was installed from the rear side.

Utility Model Publication No. 2-108395 JP2003-46283 JP2009-44193 JP2009-117629

The following analysis is provided by the inventor.

If the electronic device described above changes its installation location and the exhaust system changes (for example, from a back exhaust system to a top exhaust system), it is not possible to replace it by using the fan unit fixings as is. Therefore, when relocating the electronic equipment, it was necessary to prepare a new fixture for the blower fan unit that would be suitable after the relocation.

The main object of the present invention is to provide a fixing device for a blower fan unit, a rack, and an electronic device that can contribute to the use of the fixing device for the blower fan unit as is even if the exhaust system is changed when relocating the electronic device. The goal is to provide the following.

The blower fan unit fixing device according to the first aspect is a blower fan unit fixing device that selectively and removably fixes the blower fan unit to the top or rear surface of the rack, and is attached to the blower fan unit. a first fixture component; and a second fixture component attached to the top surface or the back surface of the rack, the second fixture component being attached to the first fixture component in the longitudinal direction of the first fixture component. configured to be slidably engaged with a fixture component, and engaged with the first fixture component by pushing the first fixture component into the rack side in the lateral direction of the first fixture component. configured to match.

The rack according to the second viewpoint is a rack having openings on the top surface and the back surface, and a blower fan unit fixing device that selectively and removably fixes the blower fan unit to the top surface or the back surface of the rack. The blower fan unit fixing device includes a first fixing device part attached to the blowing fan unit, and a second fixing device part attached to the top surface or the back surface of the rack, a second fixture part configured to slidably engage the first fixture part in a longitudinal direction of the first fixture part; It is configured to engage with the first fixture component by pushing it toward the rack in the lateral direction.

The electronic device according to the third viewpoint includes the rack according to the second viewpoint, the blower fan unit to which the first fixture component that engages with the second fixture component is attached, and the electronic device mounted on the rack. and a plurality of electronic units.

According to the first to third viewpoints, even if the exhaust system is changed when an electronic device is relocated, it is possible to contribute to the use of the fixing tool for the blower fan unit as is.

FIG. 2 is a perspective view schematically showing the configuration of an electronic device in which a blower fan unit is attached to the top surface of a rack using the blower fan unit fixture according to the first embodiment. FIG. 2 is a perspective view schematically showing the configuration of a first fixture component in the blower fan unit fixture according to the first embodiment. They are (A) an exploded perspective view and (B) a perspective view schematically illustrating a configuration in which a first fixture part of a blower fan unit fixture according to Embodiment 1 is attached to the blower fan unit. They are (A) a perspective view and (B) an exploded perspective view schematically showing the configuration of a second fixture component in a blower fan unit fixture according to Embodiment 1. (A) An exploded perspective view and (B) A perspective view schematically showing a configuration in which the second fixture part of the blower fan unit fixture according to Embodiment 1 is attached to the top surface of a rack of electronic equipment. be. (A) A perspective view in the middle of the combination, schematically showing the procedure for combining the first fixture part and the second fixture part in the blower fan unit fixture according to Embodiment 1 in a top exhaust system, and , (B) is a perspective view after combination. (A) A rear view in the middle of the combination, schematically showing the procedure for combining the first fixture part and the second fixture part in the blower fan unit fixture according to Embodiment 1 in a top exhaust system, and , (B) is a rear view after combination. They are (A) a developed perspective view and (B) a perspective view schematically illustrating a configuration in which a second fixture component in a blower fan unit fixture according to Embodiment 1 is attached to the back of a rack of an electronic device. . (A) A perspective view in the middle of the combination, schematically showing the procedure for combining the first fixture part and the second fixture part in the blower fan unit fixture according to Embodiment 1 in a rear exhaust system, and (B) It is a perspective view after combination. (A) A plan view of the first half in the middle of the combination, schematically showing the procedure for combining the first fixture part and the second fixture part in the blower fan unit fixture according to Embodiment 1 in a rear exhaust system. B) A plan view in the latter half of the combination, and (C) a plan view after the combination. (A) A perspective view schematically showing a state in which the first fixture part and the second fixture part in the blower fan unit fixture according to Embodiment 1 are being disassembled in the rear exhaust system; B) It is a plan view. (A) A perspective view when mounted on the top surface, and (B) a perspective view when mounted on the rear surface, schematically showing a configuration in which a blower fan unit is attached to a rack using the blower fan unit fixture according to Embodiment 2. It is a diagram.

Hereinafter, embodiments will be described with reference to the drawings. Note that when drawing reference symbols are used in this application, they are solely for the purpose of aiding understanding, and are not intended to limit the embodiments to the illustrated embodiments. Furthermore, the embodiments described below are merely illustrative and do not limit the present invention.

[Embodiment 1]
A blower fan unit fixture according to Embodiment 1 will be described with reference to the drawings. FIG. 1 is a perspective view schematically showing the configuration of an electronic device in which a blower fan unit is attached to the top surface of a rack using the blower fan unit fixture according to the first embodiment. FIG. 2 is a perspective view schematically showing the configuration of a first fixture component in the blower fan unit fixture according to the first embodiment. FIG. 3 is an exploded perspective view (A) and a perspective view (B) schematically showing a structure in which the first fixture component of the fixture for a blower fan unit according to Embodiment 1 is attached to the blower fan unit. be. 4A and 4B are a perspective view (A) and a developed perspective view (B) schematically showing the configuration of a second fixture component in a fixture for a blower fan unit according to Embodiment 1. FIG. FIG. 5 is a developed perspective view (A) and (B) schematically showing a configuration in which the second fixture component of the blower fan unit fixture according to Embodiment 1 is attached to the top surface of a rack of an electronic device; ) is a perspective view. FIG. 6 schematically shows the procedure for combining the first fixture part and the second fixture part in the blower fan unit fixture according to Embodiment 1 using the top exhaust system. (A) During the combination They are a perspective view and (B) a perspective view after combination. FIG. 7 schematically shows the procedure for combining the first fixture part and the second fixture part in the blower fan unit fixture according to Embodiment 1 using the top exhaust method. (A) During the combination They are a rear view and (B) a rear view after combination. FIG. 8 is an exploded perspective view (A) and (B) schematically showing a configuration in which the second fixture component of the blower fan unit fixture according to Embodiment 1 is attached to the back of the rack of an electronic device; FIG. FIG. 9 schematically shows the procedure for combining the first fixture part and the second fixture part in the blower fan unit fixture according to Embodiment 1 in a rear exhaust system. (A) A perspective view during the combination. and (B) a perspective view after combination. FIG. 10 schematically shows the procedure for combining the first fixture part and the second fixture part in the blower fan unit fixture according to Embodiment 1 in a rear exhaust system. (A) The first half of the combination They are a plan view, (B) a plan view in the latter half of the combination, and (C) a plan view after the combination. FIG. 11 is a perspective view (A) schematically showing a state in which the first fixture part and the second fixture part in the blower fan unit fixture according to Embodiment 1 are being disassembled in a rear exhaust system. , and (B) a plan view.

The electronic device 1 is a device in which a plurality of electronic units 20 are mounted on a rack 10 (see FIGS. 1, 6, and 9). The electronic device 1 is configured such that the blower fan unit 50 is selectively and removably fixed to the top or rear surface of the rack 10 via the fixture 3.

The rack 10 is a structure that removably mounts a plurality of electronic units 20 (see FIGS. 1, 6, 8, and 9). The rack 10 may be in the form of a shelf, rack, stand, frame, or the like. As the rack 10, for example, a server rack, a storage device rack, a control device rack, a communication device rack, etc. can be used. The rack 10 may be, for example, a three-dimensionally assembled frame with plates attached to at least both left and right sides. At least the top surface 11 and back surface 12 of the rack 10 are each open for exhaust. Near both left and right ends of the top surface 11 and rear surface 12 of the rack 10, a plurality of screw holes 11a and 12a are provided, respectively, for attaching the second fixture component 40 of the fixture 3 with screws 45 (see FIG. 5, see Figure 8). The screw holes 11a and 12a are configured such that they can be screwed together with a common or the same screw 45, respectively. A blower fan unit 50 is selectively and removably fixed to the top surface 11 or back surface 12 of the rack 10 using a fixture 3 (see FIGS. 6, 7, and 9 to 11).

The electronic unit 20 is a unit that includes electronic components that generate heat (see FIGS. 1, 5, 6, 8, and 9). As the electronic unit 20, for example, a server, a storage device, a control device, a communication device, etc. can be used. The electronic unit 20 can be, for example, a board type electronic unit mounted with electronic components, a blade chassis type electronic unit mounted with electronic components, or the like. The electronic unit 20 is vertically arranged (horizontal arrangement is also possible) and mounted on the rack 10 in a detachable manner from the front.

The fixture 3 is a device that selectively and removably fixes the blower fan unit 50 to the top surface 11 or back surface 12 of the rack 10 (see FIGS. 1, 6, and 9). The fixture 3 is configured so that it can be used in common when either the top surface 11 or the back surface 12 is selected when the blower fan unit 50 is attached to the top surface 11 or the back surface 12 of the rack 10. The fixture 3 is configured such that the blower fan unit 50 can be replaced. The fixture 3 is configured so that the horizontally arranged blower fan unit 50 can be attached to the top surface 11 of the rack 10 by sliding it from the front of the rack 10 toward the back (see FIG. 6). Furthermore, the fixture 3 is configured so that the vertically arranged ventilation fan unit 50 can be inserted into the back surface 12 of the rack 10 by pushing it toward the front from the back surface of the rack 10 (see FIG. 9). The fixture 3 includes a first fixture part 30 and a second fixture part 40.

The first fixture part 30 is a component of the fixture 3 that is attached to the blower fan unit 50 (see FIGS. 1 to 3, 6, 7, and 9 to 11). The first fixture parts 30 are used in pairs and are attached to both left and right surfaces of the blower fan unit 50. The first fixture component 30 is a square-shaped component, and is provided with a guide groove 31 on the surface (outer surface) opposite to the surface (inner surface) facing the blower fan unit 50 . The first fixture part 30 includes a plurality of mounting holes 32 for attachment to the blower fan unit 50 by screws 33.

The guide groove 31 is a groove arranged linearly along the longitudinal direction of the first fixture component 30 (see FIGS. 2, 3, 6, 7, and 9 to 11). The guide groove 31 is arranged over the entire length of the first fixture component 30 in the longitudinal direction. The guide groove 31 is configured such that the guide member 43 of the second fixture component 40 can slide along the longitudinal direction of the first fixture component 30 . The guide groove 31 is configured to fit into the guide member 43 of the second fixture component 40 in the lateral direction of the first fixture component 30 . The groove shape of the guide groove 31 corresponds to the shape of the guide member 43 of the second fixture component 40.

The attachment hole 32 is a hole for attaching to the blower fan unit 50 with a screw 33 (see FIGS. 2, 3, 6, 9, and 11). The attachment hole 32 is arranged at a different position from the guide groove 31 in the first fixture component 30. The attachment hole 32 passes through the first fixture part 30 from the outside to the inside. The attachment hole 32 is configured such that the diameter of the portion from the outer surface to the intermediate portion of the first fixture component 30 is larger than the diameter of the portion from the inner surface of the first fixture component 30 to the intermediate portion. The mounting hole 32 has a stepped portion that receives the head of the screw 33 at the intermediate portion, and the threaded portion of the screw 33 is inserted from the intermediate portion to the inner surface of the first fixture component 30 . The tip of the threaded portion of the screw 33 is screwed into the threaded hole 52 of the blower fan unit 50.

The second fixture part 40 is a component of the fixture 3 that is attached to the top surface 11 or back surface 12 of the rack 10 (see FIGS. 1 and 4 to 11). The second fixture part 40 is constituted by a combination of a frame 41, a spring member 42, a guide member 43, and a screw 44. The second fixture parts 40 are used in pairs and are attached near both left and right ends of the top surface 11 or back surface 12 of the rack 10 (see FIGS. 5 and 8). The second fixture part 40 is configured to slidably engage the first fixture part 30 in the longitudinal direction of the first fixture part 30 (see FIGS. 6 and 7). The first fixture part 30 can be attached and detached by sliding the first fixture part 30. When the first fixture component 30 is slid in the longitudinal direction of the first fixture component 30, the second fixture component 40 restricts movement of the first fixture component 30 in directions perpendicular to the sliding direction (up, down, left and right). do. The second fixture part 40 is configured to engage with the first fixture part 30 by pushing the first fixture part 30 toward the rack 10 side in the lateral direction of the first fixture part 30 ( (See Figures 9 and 10). The second fixture component 40 is installed by moving the first fixture component 30 toward the rack 10 in the lateral direction of the first fixture component 30 when installing the first fixture component 30. 30 and when the first fixture part 30 is removed, the first fixture part 30 is disengaged from the first fixture part 30 and moved in a direction away from the rack 10. The fixture part 30 is configured to be removable (see FIG. 11). The second fixture component 40 restricts the movement of the first fixture component 30 in the direction perpendicular to the pushing direction (left and right) when the first fixture component 30 is pushed in the lateral direction of the first fixture component 30. . When the first fixture part 30 is completely pushed in the lateral direction of the first fixture part 30, the second fixture part 40 can be moved in the pushing direction (back and forth direction) and in the direction perpendicular to the pushing direction (left and right). movement of the first fixture part 30 in the direction).

The frame 41 is a part (FIGS. 4, 5, 7, 8, 10, (See Figure 11). The frame 41 includes a plurality of (or even one) window portions 41a through which the guide member 43 is inserted. The frame 41 includes a plurality of elongated holes 41b for attaching the spring members 42 with screws 44. The elongated hole 41b connects the guide member 43 and the guide groove 31 of the first fixture component 30 when the screw 44 is loosened so as not to separate from the spring member 42 and the spring member 42 is moved in the longitudinal direction of the elongated hole 41b. The structure is such that the fitting can be released (see FIG. 11). The threaded portion of the screw 44 is inserted into the elongated hole 41b, and the head of the screw 44 is received at the peripheral edge of the elongated hole 41b. The tip of the threaded portion of the screw 44 is screwed into the threaded hole 42c of the spring member 42. The frame 41 includes a plurality of mounting holes 41c for mounting to the rack 10 with screws 45. The threaded portion of the screw 45 is inserted into the mounting hole 41c, and the head of the screw 45 is received at the peripheral edge of the mounting hole 41c. The tip of the threaded portion of the screw 45 is screwed into the threaded hole 11a or the threaded hole 12a of the rack 10.

The spring member 42 is a member that urges the guide member 43 to be fitted into the guide groove 31 of the first fixture component 30 (see FIGS. 4, 6, 7, and 9 to 11). The spring member 42 includes a main body portion 42a that is attached to the frame 41 with a screw 44. The main body portion 42a includes a screw hole 42c in a region corresponding to the elongated hole 41b of the frame 41. The screw hole 42c is screwed into the threaded portion of the screw 44. The spring member 42 includes a spring portion 42b extending from the main body portion 42a to the vicinity of the window portion 41a of the frame 41. The spring portion 42b is an elastically deformable plate spring-like portion. A guide member 43 is fixed to the spring portion 42b at a position corresponding to the window portion 41a of the frame 41, and the guide member 43 can move in and out of the window portion 41a of the frame 41 by elastic deformation of the spring portion 42b. It is possible (see FIG. 10).

The guide member 43 is a member that guides the first fixture component 30 to slide along the guide groove 31 (see FIGS. 4, 6, 7, and 9 to 11). The guide member 43 is configured to fit into the guide groove 31 of the first fixture component 30. The guide member 43 is fixed (fixed) to the spring member 42 so as to be inserted through the window 41a of the frame 41. The guide member 43 enters the guide groove 31 of the first fixture part 30 when the first fixture part 30 is attached to the second fixture part 40 from the longitudinal direction of the first fixture part 30, and the guide member 43 enters into the guide groove 31 of the first fixture part 30 to attach the first fixture part 30 to the second fixture part 40 from the longitudinal direction of the first fixture part 30. Guide the slide of the component 30. The guide member 43 includes a tapered surface 43a that comes into contact with the first fixture component 30 when the first fixture component 30 is attached to the second fixture component 40 from the lateral direction of the first fixture component 30. The tapered surface 43a guides the guide member 43 so that it moves outward (in the direction away from the first fixture part 30) while the first fixture part 30 is being pushed into the second fixture part 40 (see FIG. 10). A), see FIG. 10(B)). When the first fixture part 30 is completely pushed into the second fixture part 40, the guide member 43 enters the guide groove 31 of the first fixture part 30 due to the elasticity of the spring member 42, and moves outward (from the rack 10). The movement of the first fixture part 30 in the direction of separation is stopped (restricted) (see FIG. 10(C)).

The blowing fan unit 50 is a unit that includes a plurality of blowing fans 51 (see FIGS. 1, 3, 6, and 9 to 11). The blower fan unit 50 exhausts the air inside the rack 10 to the outside from the top or back surface of the rack 10. The blower fan 51 exhausts the air inside the rack 10 to the outside. The blower fan unit 50 is removable from the rack 10. The left and right sides of the blower fan unit 50 are provided with a plurality of screw holes 52 for attaching the first fixture part 30 with screws 33.

In the electronic device 1 as described above, in the case of top exhaust, the blower fan unit 50 is attached to the top surface 11 of the rack 10 via the fixture 3 (see FIGS. 6 and 7). In this case, the blower fan unit 50 is placed horizontally and is slid from the front to the back of the electronic device 1 via the fixture 3 so as to close the opening in the top surface 11 of the rack 10. It is attached to the rack 10. When the electronic units 20 are mounted in multiple stages in the rack 10 in the vertical direction, the blower fan unit 50 is slid into the gap between the electronic units 20 from the front to the back of the electronic device 1 via the fixture 3, and then installed in the rack. 10 to be installed. At this time, the first fixture part 30 and the second fixture part 40 of the fixture 3 each function as a guide rail, so that the blower fan unit 50 can be mounted on the rack 10.

In the case of rear exhaust, the blower fan unit 50 is attached to the rear surface 12 of the rack 10 via the fixture 3 (see FIGS. 9 and 10). In this case, the blower fan unit 50 is placed vertically and is pushed into the rack 10 from the back side of the electronic device 1 toward the front side through the fixture 3 so as to close the opening in the back side 12 of the rack 10. will be installed on the At this time, the first fixture part 30 and the second fixture part 40 of the fixture 3 can be easily attached by the snap-fit function.

According to the first embodiment, the fixing device 3 is configured to selectively and removably fix the blower fan unit 50 to the top surface 11 or the back surface 12 of the rack 10. Even if the method is changed, the fixture 3 of the blower fan unit 50 can be used as is. This makes it possible to replace the blower fan unit 50 in accordance with the exhaust direction of the installation location of the customer's electronic device 1 and constraints on the maintenance work area, making it possible to meet the customer's request for relocation of the device.

[Embodiment 2]
A blower fan unit fixture according to Embodiment 2 will be described with reference to the drawings. FIG. 12 schematically shows a configuration in which a blower fan unit is attached to a rack using the blower fan unit fixture according to Embodiment 2, (A) a perspective view when attached to the top surface, and (B) a rear view. It is a perspective view at the time of attachment.

The fixture 3 includes a first fixture component 30 that is attached to the blower fan unit 50 and a second fixture component 40 that is attached to the top surface 11 or back surface 12 of the rack 10. The second fixture part 40 is configured to slidably engage the first fixture part 30 in the longitudinal direction of the first fixture part 30 and to move the first fixture part 30 into the first fixture part 30. It is configured to engage with the first fixture component 30 by pushing it toward the rack 10 side in the lateral direction of the fixture component 30 .

According to the second embodiment, the fixture 3 is configured to selectively fix the blower fan unit 50 to the top surface 11 or the back surface 12 of the rack 10, so that the exhaust system can be changed when the electronic device 1 is relocated. Even if the fixture 3 of the blower fan unit 50 is changed, it can be used as is.

Some or all of the above embodiments may be described as in the following supplementary notes, but are not limited to the following.

[Additional note 1]
a first fixture part attached to the blower fan unit;
a second fixture component that is attached to the top or rear surface of the rack;
Equipped with
The second fixture part is configured to slidably engage the first fixture part in a longitudinal direction of the first fixture part, and the second fixture part is configured to slidably engage the first fixture part in a longitudinal direction of the first fixture part, and A fixture for a blower fan unit, configured to engage with the first fixture component by pushing the component toward the rack side in the lateral direction of the component.
[Additional note 2]
The second fixture component engages with the first fixture component such that the first fixture component that is engaged with the second fixture component is released in the other lateral direction. configured to be removable,
Fixture for the blower fan unit described in Appendix 1.
[Additional note 3]
The first fixture component is used in a pair, and includes a guide groove arranged along the longitudinal direction on a surface opposite to a surface on the blower fan unit side;
The second fixture component includes a guide member that is used in a pair and is configured to slidably engage the guide groove in the longitudinal direction;
The second fixture component is configured such that when the first fixture component is pushed into the rack side in the lateral direction, the guide member rides on the first fixture component and then engages with the guide groove . It is configured,
Fixture for the blower fan unit described in Appendix 1.
[Additional note 4]
The guide member guides the first fixture component so that the guide member rides on the first fixture component when the first fixture component is pushed toward the rack side in the lateral direction with respect to the second fixture component. Equipped with a tapered surface,
Fixture for the blower fan unit as described in Appendix 3.
[Additional note 5]
The second fixture part is
a frame attached to the top surface or the back surface of the rack;
a spring member to which the guide member is fixed;
a screw for fixing the spring member to the frame;
Furthermore,
The spring member is elastically deformed when the first fixture component is pushed into the rack side in the lateral direction with respect to the second fixture component and the guide member rides on the first fixture component. It is configured as follows.
Fixture for the blower fan unit as described in Appendix 4.
[Additional note 6]
The frame includes a window portion through which the guide member is inserted.
Fixture for the blower fan unit as described in Appendix 5.
[Additional note 7]
The frame further includes an elongated hole through which the screw is inserted,
The spring member includes a screw hole that engages with the screw,
The spring member is configured to be movable within the range in which the screw can move within the elongated hole when the screw is loosened so as not to separate from the spring member,
The guide member is configured to be able to disengage from the guide groove by moving the spring member within the elongated hole within a range that allows the screw to move.
Fixture for the blower fan unit as described in Appendix 6.
[Additional note 8]
A rack having openings on a top surface and a back surface,
Equipped with a blower fan unit fixing device according to any one of Supplementary Notes 1 to 7,
the second fixture component is attached to the top surface or the back surface;
rack.
[Additional note 9]
further comprising a plurality of screws attaching the second fixture component to the rack;
The second fixture part includes a plurality of attachment parts for attaching the screws,
The rack is provided with a plurality of screw holes that engage with the screws at positions corresponding to the attachment portions of the second fixture component on the top surface and the back surface.
Rack described in Appendix 8.
[Additional note 10]
The rack described in Appendix 8,
a plurality of electronic units mounted on the rack;
An electronic device comprising:

It should be noted that the disclosures of the above-mentioned patent documents are incorporated into this book by reference, and can be used as the basis or part of the present invention as necessary. Within the framework of the entire disclosure of the present invention (including claims and drawings), changes and adjustments to the embodiments and examples are possible based on the basic technical idea thereof. Furthermore, various combinations or selections (as necessary) of various disclosed elements (including each element of each claim, each element of each embodiment or example, each element of each drawing, etc.) within the framework of the entire disclosure of the present invention. (not selected) is possible. That is, it goes without saying that the present invention includes the entire disclosure including the claims and drawings, as well as various modifications and modifications that a person skilled in the art would be able to make in accordance with the technical idea. Furthermore, with respect to the numerical values and numerical ranges described in this application, any intermediate values, lower numerical values, and small ranges thereof are deemed to be included even if not explicitly stated. Furthermore, each of the disclosures in the documents cited above may be used, in part or in whole, in combination with the matters described in this book as part of the disclosure of the present invention, if necessary, in accordance with the spirit of the present invention. It shall be deemed to be included (belong) to the disclosure matter of this application.

1 Electronic device 3 Fixture 10 Rack 11 Top surface 11a Screw hole 12 Rear surface 12a Screw hole 20 Electronic unit 30 First fixture part 31 Guide groove 32 Mounting hole 33 Screw 40 Second fixture part 41 Frame 41a Window part 41b Oblong hole 41c Mounting hole 42 Spring member 42a Body part 42b Spring part 42c Screw hole 43 Guide member 43a Tapered surface 44 Screw 45 Screw 50 Blow fan unit 51 Blow fan 52 Screw hole

Claims (9)

A rack having openings on a top surface and a back surface,
comprising a blower fan unit fixing device that selectively and removably fixes the blower fan unit to the top surface or the back surface of the rack;
The blower fan unit fixture is
a first fixture component attached to the blower fan unit;
a second fixture component attached to the top surface or the back surface of the rack;
Equipped with
The second fixture part is configured to slidably engage the first fixture part in a longitudinal direction of the first fixture part, and the second fixture part is configured to slidably engage the first fixture part in a longitudinal direction of the first fixture part, and configured to engage the first fixture component by pushing toward the rack in the lateral direction of the component;
rack . The second fixture component engages with the first fixture component such that the first fixture component that is engaged with the second fixture component is released in the other lateral direction. configured to be removable,
A rack according to claim 1. The first fixture component is used in a pair, and includes a guide groove arranged along the longitudinal direction on a surface opposite to a surface on the blower fan unit side;
The second fixture component includes a guide member that is used in a pair and is configured to slidably engage the guide groove in the longitudinal direction;
The second fixture component is configured such that when the first fixture component is pushed into the rack side in the lateral direction, the guide member rides on the first fixture component and then engages with the guide groove . It is configured,
A rack according to claim 1. The guide member guides the first fixture component so that the guide member rides on the first fixture component when the first fixture component is pushed toward the rack side in the lateral direction with respect to the second fixture component. Equipped with a tapered surface,
The rack according to claim 3. The second fixture part is
a frame attached to the top surface or the back surface of the rack;
a spring member to which the guide member is fixed;
a screw for fixing the spring member to the frame;
Furthermore,
The spring member is elastically deformed when the first fixture component is pushed into the rack side in the lateral direction with respect to the second fixture component and the guide member rides on the first fixture component. It is configured as follows.
The rack according to claim 4. The frame includes a window portion through which the guide member is inserted.
The rack according to claim 5. The frame further includes an elongated hole through which the screw is inserted,
The spring member includes a screw hole that engages with the screw,
The spring member is configured to be movable within the range in which the screw can move within the elongated hole when the screw is loosened so as not to separate from the spring member,
The guide member is configured to be able to disengage from the guide groove by moving the spring member within the elongated hole within a range that allows the screw to move.
The rack according to claim 6. further comprising a plurality of screws attaching the second fixture component to the rack;
The second fixture part includes a plurality of attachment parts for attaching the screws,
The rack is provided with a plurality of screw holes that engage with the screws at positions corresponding to the attachment portions of the second fixture component on the top surface and the back surface.
A rack according to any one of claims 1 to 7 . The rack according to claim 1 ,
the blower fan unit having the first fixture part attached thereto that engages the second fixture part;
a plurality of electronic units mounted on the rack;
An electronic device comprising:

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