JP2000220611A - Apparatus mounting tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance the working property without using a tool and to dispense with a skill for the work by rotating and screwing a handle to a fastening screw after inserting an engagement member to a fixed member, lowering a base part, and nipping the engagement member between the fixed member and the base to prevent the shaking. SOLUTION: When the engagement part 3a of a seat fixing part 3 is inserted to a seat track 42, and a handle 5 is screwed in direction Y, the handle 5 descends in direction β and makes contact with a washer 13 and a base block 4 to pull up a fastening screw 6 in direction γ and thus pull up a pipe 16, a bolt 7 and the fixing part 3, and a block 4 is consequently pressed down. Since the fixing part 3 is fitted into the track 42 at this time, the track 42 is nipped between the fixed part 3 and the block 4, and the clearance is eliminated to prevent the shaking. A lock pin is inserted to the insert holes of the handle 5 and the block 4 to prevent the looseness of the handle 5. According to this, an apparatus can be surely mounted and fixed on a fixing member without using a tool and with good working property, and no skill is required for the fixing work.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an equipment mounting device, and more particularly to an equipment mounting device used for fixing equipment mounted on an aircraft to a rail-shaped seat track or the like laid on the floor of the aircraft. About the tool.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG.
Various methods are employed when the equipment 41 mounted on the aircraft is fixed to a seat track 42 on the floor of the fuselage via a fixing member 43.

As an example, in the method shown in FIGS. 7 and 8, a plate nut 44 is formed in a groove 42a of a seat track 42.
Is inserted, and the fixing portion 41a of the aircraft mounted device 41 (FIG. 6) is inserted.
Was fixed using fixing bolts 46.

In this case, in order to fix the fixing portion 41a, after inserting the plate nut 44 into the seat track 42,
Since the fixing bolt 46 must be tightened, the workability is poor and the fixing operation requires skill, so that the bolt 46 may be loosened.

In addition, according to this method, the degree of tightening of the bolt 46 varies depending on the operator, and it is difficult to confirm whether or not the tightened state is appropriate only from the appearance. If the device 46 is used in a loose state, there is a problem that the device 41 eventually falls off the seat track 42.

Further, since the bolt 46 is used to fix the fixing portion 41a, the fixing operation cannot be performed without a tool, and the plate nut 44 and the fixing bolt 46 are not used for the device 41 and the seat track 42. Since these parts are separated from these parts, there is a possibility that these parts may be lost and work may be hindered.

[0009] On the other hand, in another conventional example shown in FIG.
The seat 49 can be attached with a single touch.

[0008] As shown in FIG.
Has a boss 48 for a lock mechanism, and the boss 48 is movable in the vertical direction.

Then, as shown in FIG. 11, with the boss 48 raised, the seat fixing component 47 is attached to the seat track 42.
And seat fixing parts 47 as shown in FIG.
Is moved in the direction of the arrow X, and the lock mechanism boss 48 is lowered as shown in FIG. 13, the lock mechanism boss 48 fits into the groove 42a of the seat track 42, and the position of the seat fixing component 47 is fixed. Is done.

However, in this conventional example, as shown in FIG. 14, a gap C is provided between the seat track 42 and the seat fixing part 47 while the seat fixing part 47 is fixed.
Is present and play is caused in the vertical direction, so that the fixed device (the sheet 49 in the conventional example) is adversely affected by vibration.

In view of the above, the present invention has been made in view of the above-mentioned problems of the conventional equipment mounting device, and there is no risk of losing fixed parts, no tools are required, and good workability is achieved.
Equipment that does not require skill for fixing work, can easily confirm that it is securely fixed, and minimizes the adverse effects of vibration on the fixed equipment by removing play in the fixing part It is intended to provide a fixture.

[0012]

In order to achieve the above object, according to the present invention, there is provided a fixing member having two tongue-shaped protrusions each having an upper surface and a lower surface and opposed to each other across a groove. A device mounting tool for mounting and fixing the device, a fixing portion detachable from the device, a lower surface capable of contacting the upper surface of the tongue-shaped protrusion, and a base having an upper surface,
An engagement member having an engagement portion movable vertically with respect to the base portion and having a width wider than the groove portion and having an abutment with the lower surface of the two tongue-shaped protrusions; A tightening screw that can be integrally moved with the screw, a female screw portion screwed with the tightening screw is provided at a central portion, a handle that can contact the upper surface of the base, and the upper surface and the handle of the base are It is characterized by having locking means capable of fixing the relative position of the base and the handle in the up-down direction in a contact state.

With this configuration, after the engagement portion of the engagement member is inserted below the groove of the fixing member, the handle is rotated and screwed into the tightening screw. When the handle is further screwed in, the tightening screw is pulled up. As a result, the engaging member movable integrally with the tightening screw and the engaging portion thereof also rise, and at the same time, the base portion descends, so that the engaging portion of the engaging member is sandwiched between the fixing member and the base portion. Thus, there is no gap between them and play can be eliminated. Further, after the handle is tightened, the handle is prevented from being loosened by fixing the relative position in the vertical direction between the base and the handle in a state where the upper surface of the base is in contact with the handle.

According to a second aspect of the present invention, the locking means is provided at an insertion hole formed in the handle and vertically penetrating the handle, and at a position of the base corresponding to the insertion hole of the handle. An insertion hole drilled in the vertical direction, a detent pin that can be inserted through the handle and the insertion hole of the base, and a detent pin provided on the base, wherein the detent pin is inserted into the insertion hole of the base. And a locking portion for detachably locking the detent pin.

[0015] With this, after the handle is tightened, by inserting the detent pin into the insertion hole formed in the handle and the insertion hole formed in the base with the handle in contact with the upper surface of the base. In addition, it is possible to prevent the handle from being loosened, and it is possible to easily visually check whether or not the anti-loosening treatment has been performed by checking whether or not the detent pin has been stuck.

Further, according to the third aspect of the present invention, the locking portion extends in a horizontal direction of the base and intersects with the insertion hole formed in the base in a vertical direction. And a locking member inserted through the second insertion hole, urged toward the insertion hole in the vertical direction, and having an end protruding into the insertion hole in the vertical direction. The retaining pin has an engaging portion that engages with the end of the locking member when the retaining pin is inserted through the insertion hole of the handle and the base.

[0017] With this arrangement, when the rotation preventing pin is inserted through the insertion hole of the handle and the base, by engaging with the end of the locking member, the handle can be prevented from being loosened, and the fixing member can be prevented. Even if is vibrated, the locking member continues to be urged toward the insertion hole in the vertical direction of the base, so that the locked state of the rotation preventing pin is maintained.

According to a fourth aspect of the present invention, a protrusion is provided near the upper end of the tightening screw to prevent the handle from moving toward the upper end of the tightening screw. I do.

[0019] With this arrangement, a protrusion is provided in the vicinity of the upper end of the tightening screw to prevent the handle from moving toward the upper end of the tightening screw, so that the handle does not come off from the tightening screw. Loss of the handle and the washer provided between the handle and the tightening screw can be prevented.

Further, the invention according to claim 5 is characterized in that the detent pin and the base are connected by connecting means.

According to this configuration, since the detent pin and the base are connected by the connecting means, the detent pin does not fall off the base and the detent pin can be prevented from being lost.

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a specific example of an embodiment of a device mounting device according to the present invention will be described with reference to the drawings.

FIG. 1 shows an example in which the equipment mounting device according to the present invention is used to fix equipment mounted on an aircraft. Are fixed with bolts 2, and the device 10 is connected to the seat track 4 on the body floor via the device fixture 1.
Fix to 2. The seat track 42 is a fixing member having two tongue-shaped protrusions each having an upper surface and a lower surface and opposed to each other across a groove.

As shown in FIG. 2, this equipment mounting device 1
Seat fixing part 3, base block 4, handle 5
, A tightening screw 6, a bolt 7, a nut 8, a washer 9, a detent pin 11, a retaining pin 12, a washer 13, a lock member 14, a loss prevention chain 15,
It is composed of a pipe 16, a split pin 17, and the like.

As shown in FIG. 3, the seat fixing portion 3 as an engaging member is provided with an engaging portion 3a for engaging with a seat track 42 (FIG. 1) at a lower portion. It is formed wider than the width of the groove. The upper portion is a cylindrical portion 3b having a hollow hole through which the pipe 16 can be inserted. Then, the engaging portion 3a is housed in the space inside the tightening screw 6, and the entire seat fixing portion 3 is connected to the base block 4 and the tightening screw 6 via the pipe 16 by the bolt 7, the nut 8, and the washer 9. Is done.

As shown in FIG. 1, the base block 4 as a base is fixed to the device 10 by bolts 2 via fixing portions 4e. The lower part of the tightening screw 6 is accommodated in the inner space of the base block 4.
The handle 5 is located above the.

As shown in FIG. 3, elongated holes 4a, 4b formed in the vertical direction are formed on the side surfaces of the base block 4.
Are provided, and the pipe 1 is formed by these long holes 4a and 4b.
6 can be moved in the vertical direction, and accordingly, the seat fixing portion 3 can also be moved in the vertical direction.

As shown in FIGS. 3 and 4, an insertion hole 4c is formed in the base block 4.
c, a lock member 14, a fixing screw 18, a biasing member 19
The lock member 14 is urged in the direction of the arrow α by the fixing screw 18 and the urging member 19 in the base block 4.

Further, as shown in FIG. 4, an insertion hole 4d is formed in the base block 4 so as to extend vertically and to intersect with the insertion hole 4c. This insertion hole 4d is
As will be described later, it has an inner diameter through which the rotation preventing pin 11 can be inserted.

The detent pin 11 has a tip 11a and a base 11c having substantially the same outer diameter, and an intermediate portion 11b.
Are formed to be smaller in diameter than the outer diameters of the tip 11a and the base 11c.

As shown in FIG. 3, a female screw portion 5a formed at the center of the handle 5 is screwed with the tightening screw 6, so that the handle 5 and the tightening screw 6 can move relative to each other in the vertical direction. ing. In addition, a retaining pin 12 as a protruding portion is provided upright on the upper part of the tightening screw 6 to prevent the handle 5 from falling off from the tightening screw 6. Further, as shown in FIG. 1C, the handle 5 is provided with a large number of insertion holes 5a penetrating from the upper surface to the lower surface.

Next, the operation of the device mounting device 1 having the above configuration will be described.

As shown in FIG. 5, after the engaging portion 3a of the seat fixing portion 3 is inserted into the seat track 42, the handle 5
Is turned in the direction of arrow Y and screwed in.
After descending in the direction of the arrow β, it comes into contact with the washer 13 and the base block 4, and then the handle 5 is further screwed in. The tightening screw 6 is pulled up in the direction of the arrow γ. Then, since the tightening screw 6 pulls up the pipe 16 and the bolt 7, the seat fixing portion 3 is also pulled up. Further, as described above, the handle 5 comes into contact with the washer 13 and the base block 4, and as a result, the base block 4 is pushed down.

At this time, since the seat fixing portion 3 is fitted in the seat track 42, the seat track 42 is sandwiched between the seat fixing portion 3 and the base block 4, so that there is no gap and play can be eliminated.

As shown in FIG. 4, after the handle 5 is tightened, the rotation preventing pin 11 is inserted into the insertion hole 4d of the base block 4 by using the insertion hole 5a formed in the handle 5, thereby obtaining the handle. 5 can be prevented from loosening, and whether or not a loosening prevention measure has been performed is determined.
It can be easily confirmed visually by checking whether or not the detent pin 11 is stuck.

Further, since the locking pin 11 is prevented from coming off by the lock member 14 in the base block 4, the locking pin 11 does not come off due to vibration. Further, since the lock member 14 is screwed into the base block 4 and pressed down by the fixing screw 18, the lock member 14 itself does not move due to vibration and does not impair the lock function for the detent pin 11.

Further, the rotation preventing pin 11 is provided with a loss prevention chain 15 as a connecting means, and as shown in FIG. Even if 11 is pulled out of the base block 4, it will not be lost.

Further, as shown in FIG. 5, a retaining pin 12 is provided upright on the tightening screw 6, so that the handle 5 does not come off and the handle 5 and the washer 13 are not lost. Is improved.

Further, in the present invention, the device 10 is provided with the seat fixing portion 3 and the handle 5 is simply rotated by hand.
Since the fixing work can be performed, a tool is not required as in the related art, and the fixing work does not require skill.

In the above embodiment, the case where the equipment mounting fixture 1 according to the present invention is used for fixing the equipment mounted on the aircraft to the seat track 42 has been described. By using rails, the equipment mounting fixture 1 according to the present invention can also be used to fix equipment to floors, walls, ceilings, and the like of buildings, ships, vehicles, and the like.

[0041]

As described above, according to the first aspect of the present invention, in a state where the device is mounted on the fixing member and is fixed, the space between the engaging portion of the engaging member and the fixing member, and the engagement between the fixing member and the fixing member. Since there is no gap between the engagement portion and the base portion of the joining member and play can be eliminated, it is possible to provide a device mounting tool capable of minimizing the adverse effect of the vibration of the fixing member on the device. .

Further, since the device can be securely mounted and fixed to the fixing member by the handle and the locking means which can be operated by hand, no tools are required, the workability is good, and the mounting of the device does not require skill for the fixing operation. Tools can be provided.

According to the second aspect of the present invention, it is possible to prevent the handle from being loosened after the handle is tightened by a simple method and to easily fix the device to the fixing member. Further, it is possible to provide a device fixture that can be surely checked.

Further, according to the third aspect of the present invention, the handle can be prevented from being loosened with a simple structure.
It is possible to provide a device fixture capable of more reliably suppressing the adverse effect of the vibration of the fixing member on the device.

Further, according to the fourth aspect of the present invention, it is possible to provide an equipment attachment which is easy to maintain without losing the handle and the washer provided between the handle and the tightening screw. .

Further, according to the fifth aspect of the present invention, it is possible to provide a device mounting tool which does not lose the rotation preventing pin and is easier to maintain.

[Brief description of the drawings]

FIGS. 1A and 1B are diagrams showing a use state of an embodiment of a device mounting device according to the present invention, wherein FIG. 1A is a front view, FIG. 1B is a side view, and FIG.

FIG. 2 is a view showing details of the device fixture of FIG. 1,
(A) is a front view, (b) is a side view, and (c) is a plan view.

FIG. 3 is a sectional view taken along line CC of FIG. 2;

FIG. 4 is a sectional view taken along line DD of FIG. 2;

FIG. 5 is a cross-sectional view for explaining the operation of the device fixture of FIG. 1;

FIG. 6 is a schematic perspective view showing a state in which equipment mounted on an aircraft is fixed to a seat track on an aircraft floor via a fixing member as an example of a conventional equipment attachment.

FIG. 7 is a perspective view showing an example of a conventional device attachment.

FIG. 8 is a sectional view taken along line AA of FIG. 7;

FIG. 9 is a schematic perspective view showing a state in which a seat is fixed to an aircraft floor surface as another example of the conventional equipment attachment.

FIG. 10 is an enlarged perspective view showing the seat fixing part and the lock mechanism boss of FIG. 9;

11A and 11B are diagrams illustrating the operation of the device mounting tool of FIG. 9, wherein FIG. 11A is a plan view and FIG. 11B is a front view.

12A and 12B are diagrams for explaining the operation of the device mounting tool of FIG. 9, wherein FIG. 12A is a plan view and FIG. 12B is a front view.

13A and 13B are diagrams illustrating the operation of the device mounting tool of FIG. 9, wherein FIG. 13A is a plan view and FIG. 13B is a front view.

FIG. 14 is a sectional view taken along line BB of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Device mounting fixture 2 Bolt 3 Seat fixing part 4 Base block 5 Handle 6 Tightening screw 7 Bolt 8 Nut 9 Washer 10 Device 11 Detent pin 12 Locking pin 13 Washer 14 Lock member 15 Loss prevention chain 16 Pipe 17 Split pin 18 Fixed Screw 19 biasing member 42 seat track

Claims (5)

[Claims] 1. A device mounting tool for mounting and fixing a device to a fixing member having two tongue-shaped protrusions each having an upper surface and a lower surface and opposed to each other with a groove interposed therebetween. A base having a detachable fixing portion, a lower surface capable of abutting on the upper surface of the tongue-shaped protrusion, and an upper surface; being movable up and down with respect to the base, being wider than the groove; An engaging member formed and having an engaging portion capable of abutting on the lower surface of the two tongue-shaped protrusions; a tightening screw movable integrally with the engaging member; A handle which can be brought into contact with the upper surface of the base portion, and a vertical relative position between the base portion and the handle is fixed in a state where the upper surface of the base portion is in contact with the handle. Device mounting having locking means capable of . 2. The locking means comprises: an insertion hole formed in the handle, which penetrates the handle in the up-down direction; and a base, at a position corresponding to the insertion hole of the handle.
An insertion hole drilled in the up-down direction, a detent pin that can be inserted through the handle and the insertion hole of the base, and a detent pin provided on the base, wherein the detent pin is inserted into the insertion hole of the base. 2. The device mounting device according to claim 1, further comprising a locking portion for detachably locking the rotation preventing pin. A second insertion hole extending in a horizontal direction of the base and intersecting with the insertion hole formed in the base in an up-down direction; A locking member that is inserted into the insertion hole, is urged toward the insertion hole in the vertical direction, and has an end portion that protrudes into the insertion hole in the vertical direction; and the detent pin includes the handle and the base. The device attachment according to claim 2, further comprising an engagement portion that engages with the end of the locking member when the insertion hole is inserted. 4. A projection provided near the upper end of the tightening screw, the protrusion prohibiting movement of the handle toward the upper end of the tightening screw. The described equipment fixture. 5. The equipment mounting device according to claim 1, wherein said rotation-stop pin and said base are connected by connecting means.