JP6581377B2 - Cage nut tool and manufacturing method thereof - Google Patents

Description

  The present invention relates to a tool for a cage nut attached to a mounting rail of a server rack.

  Server racks for storing devices such as computers and communication devices that function as servers are conventionally known. The server rack includes a mounting rail, and various devices are attached to the mounting rail via a fixing plate.

  For equipment, attach a cage nut from the back side to the square hole formed in the mounting rail, align the mounting hole of the fixing plate with the position of this cage nut, and clamp the mounting rail and the fixing plate. Is fixed by screwing onto the cage nut.

  In general, cage nut installation / removal work is performed manually without using tools, but in recent years, cage nut installation tools that can perform cage nut installation / removal work are known. (See Patent Document 1).

JP 2003-181770 A

  By the way, particularly when the cage nut is removed with bare hands, there is a case where the cage nut is injured by the engagement portion of the square hole of the mount rail.

  Further, since the cage nut is attached to the back side of the mount rail, the visibility and workability are poor and the hand is not injured, but it is difficult to operate with a relatively large tool as shown in Patent Document 1.

  In addition, when such a tool is used, the rack may be damaged by contact with the mount rail.

  Accordingly, the present invention has been made with the above-described problem as an example, and it is an object of the present invention to provide a cage nut tool and the like with good workability capable of satisfactorily attaching and detaching a cage nut. .

In order to solve the above-mentioned problem, a cage nut tool (K) according to claim 1 is characterized in that the main body (11) of a cage nut (10) having a pair of fitting portions (20) having elastic force is fitted to the cage nut. A cage nut tool for fitting into or detaching from the mounting hole (2a) of the member (2) by elastic deformation of the joint portion, extending in the elastic direction of the fitting portion, and in plan view A base body (30) formed in a substantially band shape and having a predetermined thickness, the base body including a head portion provided on one end side, and a main body portion extending in one direction from the head portion and operated by an operator, formed in the head portion, the holding portion for holding both sides of the cage nut having an elastic direction (32), wherein the holding portion is retainable der Rukoto a plurality of main body of the cage nut Features.

  Further, the cage nut tool according to claim 2 is the cage nut tool according to claim 1, wherein the holding surfaces for holding both sides of the cage nut of the holding portion are formed in an uneven shape. And

  The cage nut tool according to claim 3 is the cage nut tool according to claim 1 or 2, wherein the holding portion is formed so as to cross one end side of the base body in the left-right direction. It is a groove (33).

  The cage nut tool according to claim 4 is the cage nut tool according to claim 1 or 2, wherein the holding portion is a through hole formed in a substantially rectangular shape. .

  Further, the cage nut tool according to claim 5 is the cage nut tool according to claim 1 or 2, wherein the holding portion protrudes from the surface of the base body and has a predetermined interval in parallel. It is the protrusion body arrange | positioned, It is characterized by the above-mentioned.

The cage nut tool manufacturing method according to claim 6 is characterized in that the cage nut tool according to claim 1 is formed by laminating a resin.

  According to the present invention, the main body of the cage nut can be easily and reliably removed from the square hole of the mount rail. Further, since manual work is not required, injury of the operator's hand can be prevented in advance. Further, since the structure is simple, manufacturing is easy and productivity can be easily increased.

It is a schematic diagram which shows the structural example of a tool. It is a schematic diagram which shows the use condition of a tool. It is a schematic diagram which shows the structural example of the main body of a cage nut. It is a schematic diagram which shows the cross section of an example of the main body of a cage nut. It is a schematic diagram for demonstrating the usage method of a tool. It is a schematic diagram which shows the structural example of another tool. It is a schematic diagram which shows the structural example of another tool. It is a schematic diagram which shows the structural example of another tool.

  Hereinafter, embodiments of the present application will be described with reference to the accompanying drawings. In the following description of the cage nut tool K, for convenience, the left and right directions shown in FIG. 2 will be described as the front and rear direction of the cage nut tool K, and the up and down directions will be described as the left and right direction of the cage nut tool K. .

(First embodiment)
The cage nut tool (hereinafter simply referred to as “tool K”) of the first example of the present embodiment is, for example, a main body of a cage nut 10 attached to the mount rail 2 of the server rack as shown in FIG. And is particularly suitable for removing the main body 11 of the cage nut 10.

  As shown in FIG. 1, the tool K includes a resin base 30 that is formed in a substantially band shape in a plan view and has a predetermined thickness t. The base body 30 includes a head portion 31 provided on one end side, and a main body portion 35 extending in one direction from the head portion 31 and operated by an operator.

  The head portion 31 has a grip portion 32 that grips the main body 11 of the cage nut 10. The grip portion 32 has a groove 33 (depression) having a substantially U-shaped cross section formed so as to cross in the left-right direction. The groove 33 stands up and faces the bottom surface 34a from both ends of the bottom surface 34a. A pair of side walls 34b. The cage nut 10 is gripped by sandwiching both side surfaces of the main body 11 of the cage nut 10 between the pair of side walls 34b and 34b.

  In addition, the surface of the side wall 34b that holds both sides of the main body 11 of the cage nut 10 may be flat, but is preferably formed in an uneven shape. This is because the side wall of the main body 11 of the cage nut 10 can be firmly held by the unevenness. The width in the front-rear direction of the bottom surface 34a is the length in the left-right direction of the main body 11 of the cage nut 10 or a length slightly shorter than the length, and the height of the side wall 34b is the height of the main body 11 of the cage nut 10. Is substantially the same as the length in the depth (front-rear) direction.

  The width of the bottom surface 34 b and the height of the side wall 34 b (depth of the groove 33) are appropriately defined according to the size of the cage nut 10. The depth of the groove 33 is set to be substantially the same as the length of the body 11 of the cage nut 10 in the depth direction, and the depth of the groove 33 is shorter than the length of the cage nut 10 in the depth direction of the body 11. If it is too large, it cannot be securely clamped in the removing operation, and if it is too long, it becomes difficult to rotate the main body 35 and position the grip portion 32 with respect to the main body 11 of the cage nut 10 and the workability deteriorates.

  This tool K is formed by laminating resin using, for example, a 3D printer. In this way, the tool K can be manufactured inexpensively and easily, and the productivity can be easily improved. Further, by forming the resin layers, the surface of the side wall 34b can be easily formed in an uneven shape.

  Note that the tool K is not limited to resin, and is manufactured by appropriately selecting the material. For example, a material such as metal may be manufactured by cutting or the like.

  Although not shown, a magnetic body such as a magnet may be provided on the bottom surface of the groove 33. In this way, the main body 11 of the metal cage nut 10 can be adsorbed, so that the cage nut 10 can be reliably prevented from falling off from the grip portion 32.

  Next, an example of the cage nut 10 in which the tool K is used will be described. Since the mount rail 2 to which the cage nut 10 is attached and the server rack (not shown) including the mount rail 2 are already known, detailed description thereof will be omitted.

  The server rack is formed in, for example, a box shape, and its periphery is covered with, for example, a panel. On the inner side of each panel, for example, mount rails 2 are provided on the inner four sides, and rectangular through holes (square holes 2a, 2a,... 2a) are continuous over the mount rail 2 in the vertical direction. Are formed (see FIG. 2).

  A plate 4 or the like for attaching various electronic devices (computers and communication devices) to be accommodated in the server rack is attached to the mount rail 2.

  As shown in FIG. 2, for example, a hole 4a is formed in the plate 4, and the hole 4a and the square hole 2a of the mount rail 2 are aligned and connected by a cage nut 10 described later. As a result, the plate 4 is fixed to the mount rail 2.

  As shown in FIG. 2, the cage nut 10 includes a main body 11 and a bolt 13 that is screwed into the main body 11. The main body 11 is attached to the rear side of the square hole 2 a of the mount rail 2, and is mounted. The plate 4 is disposed in front of the rail 2 and fixed by bolts 13.

  As shown in FIGS. 3 and 4, the main body 11 has a nut member 12 having a screw hole 12 a into which a bolt 13 is screwed, and holds the nut member 12 and engages with a square hole 2 a of the mount rail 2. A cage member 15.

  The nut member 12 has a metal main body having a substantially rectangular shape in plan and having a predetermined thickness, and the screw hole 12a is formed through the central portion of the main body.

  The cage member 15 includes a nut holding portion 16 that holds the nut member 12, and a fitting portion 20 that is fitted into the square hole 2 a of the mount rail 2.

  The nut holding portion 16 is formed by bending a metal plate-like material so as to confine the nut member 12, and has a bottom surface 16a having substantially the same shape as the back surface of the nut member 12, and the bottom surface 16a. Elevating solids 16b and 16c that are erected from four sides and are arranged so as to surround the periphery of the side surface of the nut member 12, and are formed so that the nut member 12 does not fall off.

  Moreover, the opening 17 corresponding to the screw hole 12a of the nut member 12 is formed in the center part of the bottom face 16a, and it is comprised so that the volt | bolt 13 can penetrate through the screw hole 12a.

  In addition, the fitting portion 20 is provided at the tip of one opposing raised body 16b, and has a pair of grooves 21 that are disposed with the groove-shaped bottoms facing each other toward the inside of the nut holding portion 16. The two end portions are bent and formed so as to be close to each other as indicated by arrows in the figure.

  The nut holding portion 16 is formed with the raised body 16b slightly opened outward with respect to the bottom surface 16a, and the fitting portion 20 formed on the raised body 16b is elastically deformed in a direction approaching the fitting portion 20b. The joint portion 20 is fitted into the square hole 2 a of the mount rail 2. In addition, the riser 16b is configured so that the fitting portion 20 is reliably held in the square hole 2a by the elastic force acting outward due to the leaf spring effect.

  Next, a method for using the tool will be described.

  First, a procedure for attaching a cage nut will be described with reference to FIG.

  First, the main body 11 is held between the gripping portions 32 of the tool K, and the tool K is turned around and disposed behind the square hole 2a of the mount rail 2.

  Next, the fitting portion 20 on the right side of the main body 11 is hooked on one side of the square hole 2a, and then the main body portion 35 is pressed in the right direction so that the right side of the fitting portion 20 is close to the left side. By rotating the portion 35 to the front side of the mount rail 2 with the head portion 31 side as a fulcrum, the right fitting portion 20 of the main body 11 is elastically deformed, whereby the left fitting portion 20 of the main body 11 is angular. The other side of the hole 2a is fitted.

  Next, the main body 11 is attached to the square hole 2 a of the mount rail 35 by moving the main body 35 rearward and detaching the main body 11 from the grip portion 32.

  Finally, the plate 2 is positioned, and the bolt 13 is screwed into the screw hole 12 a of the nut member 12 so as to sandwich the mount plate 2 and the plate 4.

  Next, the procedure for removing the cage nut will be described with reference to FIG.

  First, the bolt 13 is removed from the nut member 11 and the plate 4 is removed from the mount rail 2.

  Next, as shown in FIG. 5A, the tool K is placed behind the main body 11 so as to be turned in, the grip portion 32 is pressed against the main body 11, and the main body 11 is gripped by the grip portion 32.

  Next, as shown in FIG. 5B, the main body 35 is pressed to the right side as indicated by an arrow A in the figure, while the main body 35 is pressed on the head 31 side as indicated by the arrow in the figure. By rotating backward, the fitting part 20 on the right side of the main body 11 is elastically deformed so that the fitting part 20 on the left side of the main body 11 moves to the inside of the square hole 2a and moves backward. Thus, the left fitting portion 20 is released from the square hole 2a.

  And the main body 11 is removed from the square hole 2a of the mount rail 2 by moving the main body part 35 to the back of the mount rail 2, and removing the right fitting part 20 from the square hole 2a.

(Second embodiment)
Hereinafter, another tool K2 will be described with reference to FIG. In addition, the same code | symbol shall be attached | subjected to the member which has the same function as FIG. 1, and the description shall be abbreviate | omitted.

  The point which should become the characteristic of the tool K2 of this embodiment is a point which provided the two holding parts compared with the 1st Example. In the following description, the gripping part of the first embodiment will be described as the first gripping part.

  Specifically, a second grip 50 having a different form from the first grip 32 is provided behind the main body 35. The second gripping portion 50 is a through-hole 51 formed in a planar square shape (rectangular shape), and has four inner peripheral surfaces 51a, 51a, 51a, 51a, and these four inner peripheral surfaces. All side surfaces of the main body 11 of the cage nut 10 are clamped and held by 51a.

  In this way, when a large force is applied, the main body 11 of the cage nut 10 can be prevented from falling off the gripping portion 50, and the fitting portion 20 can be reliably removed from the square hole 2a. .

  Moreover, after removing the main body 11 of the cage nut 10 from the square hole 2a, when removing the main body 11 from the grip portion 32, the grip portion 32 is pressed by pushing the rear of the main body 11 forward with a finger from the rear. Therefore, the main body 11 can be easily removed.

  Therefore, for example, when the cage nut 10 is attached, the first gripping portion 32 is used for the operation, and when the cage nut 10 is removed, the second gripping portion 50 is used for quick attachment / detachment of the cage nut 10. Work can be done. Further, the grooves and through holes formed in the first and second gripping portions function as a step when gripping the main body, and the surface is very easy to hold and work easily compared to the flat shape.

(Third embodiment)
Hereinafter, another tool K3 will be described with reference to FIG. In addition, the same code | symbol shall be attached | subjected to the member which has the same function as FIG. 1, and the description shall be abbreviate | omitted.

  The point which should become the characteristic of the tool K3 of this embodiment is a point from which the formation method of a holding part differs compared with 1st Example.

  Specifically, the grip portion 55 formed on the head portion 31 of the main body portion 35 is formed by providing two parallel protrusions 56 and 56 extending in the left-right direction with a predetermined distance from the surface. This interval is defined by the size of the main body 11 of the cage nut 10, and the main body 11 is sandwiched and held between the protrusions 56 and 56.

  In this way, the main body 11 of the cage nut 10 can be held without dropping from the grip portion 50 as in the first embodiment.

(Fourth embodiment)
Hereinafter, another tool K4 will be described with reference to FIG. Note that members having the same functions as those in FIG. 6 are denoted by the same reference numerals, and description thereof is omitted.

  The point which should become the characteristic of the tool K4 of this embodiment is the point which extended the groove | channel 33 of the 1st holding part 32 compared with the 2nd Example.

  Specifically, the length in the left-right direction of the groove 33A of the first gripping portion 32 is extended so that the head portion 31 is horizontally long and is formed in a substantially T-shape as a whole. Although the groove 33 of the second embodiment grips the main body 11 of one cage nut 10, the groove 33A of the present embodiment can hold and hold a plurality of main bodies 11 at a time.

  If it does in this way, the attachment / detachment operation | work of the main body 11 of the several cage nut 10 can be performed rapidly.

  In addition, this application is not limited to this embodiment, It can implement in a various form. For example, the embodiments can be appropriately combined, and the second gripping portion 50 shown in the second example can be used instead of the first gripping portion 32 shown in the first example of the present embodiment. May be used. That is, the second grip part 50 may be formed on the head part 31.

K Cage nut tool 2 Mount rail 2a Square hole 20 Fitting part 10 Cage nut 11 Main body 30 Base body 32 Gripping part 33 Groove

Claims (6)

A cage nut tool for fitting a main body of a cage nut having a pair of fitting portions having elastic force into an attachment hole of a member by elastic deformation of the fitting portion or removing from the attachment hole,
A base that extends in the elastic direction of the fitting portion and has a predetermined thickness formed in a substantially band shape in plan view;
The base body includes a head portion provided on one end side, and a main body portion extending in one direction from the head portion and operated by an operator.
A holding part that is formed on the head part and holds both sides of the cage nut in the elastic direction;
Equipped with a,
The holding portion is cage nut tool, wherein allow der Rukoto holding a plurality of the body of the cage nut.   The cage nut tool according to claim 1, wherein holding surfaces for holding both sides of the cage nut of the holding portion are formed in an uneven shape.   3. The cage nut tool according to claim 1, wherein the holding portion is a groove formed so as to cross one end side of the base body in a left-right direction.   The cage nut tool according to claim 1 or 2, wherein the holding portion is a through-hole formed in a substantially rectangular shape.   3. The cage nut tool according to claim 1, wherein the holding portion is a protruding body that protrudes from the surface of the base body and is arranged in parallel with a predetermined interval. 4.   The cage nut tool according to claim 1, wherein the cage nut tool is formed by laminating a resin.

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