JPH0536920Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a removable lock handle device used in floor hatches of underfloor storage cabinets and the like.

[Prior Art] A conventional handle for a floor hatch has a semicircular ring-shaped handle body housed in a fixed case that is embedded and fixed in the door of the floor hatch, and the central part of the diametrical frame part of the handle body is attached to the fixed case using a horizontal pivot. There is something that is pivotal.

In this conventional handle, when not in use, the diametrical frame is exposed on the top surface of the fixed case, and when in use, one end of the diametrical frame is pushed down to rotate the handle body and the semicircular frame is fixed. It sticks out from the case.

[Problems to be solved by the invention] However, in the conventional handle, the semicircular ring-shaped handle main body is not provided with a means for preventing its rotation when not in use, and the handle main body has a horizontal pivot above the center of gravity. In addition, since the diameter side frame is placed in the opening on the top surface of the fixed case at the same surface position as the top surface of the floor hatch, it cannot be slid on the floor. The handle body may be accidentally lifted and rotated due to being caught or pushed by another moving object, or due to vibration.

Furthermore, this conventional handle is only used to open and close the floor hatch, and does not have the function of locking the floor hatch to the fixed frame member on the floor.
If you wanted to lock the floor hatch, it was necessary to equip it with a separate locking means.

Therefore, the object of the present invention is that when not in use, the handle is disconnected from the rotor in the fixed case and removed, and the handle insertion opening is sealed by a cover plate located on the same surface as the upper surface of the fixed case. Therefore, it can be used safely without the risk of hindering walking, and since the rotor is equipped with a latch body that locks and locks the floor hatch to the fixed frame member, there is no need to separately equip a locking means for the hatch. An object of the present invention is to provide a removal lock handle device for a floor hatch.

A further object of the present invention is to provide a removable lock handle for a floor hatch, in which the handle retaining member and the rotor rotation support member are constructed of the same component, thereby simplifying the structure and reducing manufacturing and assembly costs. The purpose is to provide equipment.

A further object of the present invention is to provide a removal lock handle device in which the latch body automatically advances and retracts and the floor hatch is automatically locked when the floor hatch is closed.

(Means for solving the problem) The following will be explained using reference numerals in the drawings.
The removal lock handle device for a floor hatch of the present invention includes a fixed case 2 that is embedded and fixed in a floor hatch 1; and a lid that is screwed into a screw hole 4 of a top plate 3 of the fixed case 2 and has a rotation operation part 5 on the top surface. Board 6
It is rotatably attached to the bottom wall plate 7 directly below the screw hole 4, has a handle insertion recess 8 on the top surface, flat surfaces 9 and 10 at regular intervals on the circumference, and a cam on the bottom surface. A rotor 12 having a protrusion 11 at an eccentric position; a through hole 1 fixedly arranged on the upper surface side of the rotor 12 and matching the handle insertion recess 8;
3; the screw hole 4 and the through hole 1;
3 into the handle insertion recess 8, and when rotated, the side protrusion 15 engages with the through hole 1 of the hook plate 14.
3; and a handle 16 that engages with the back side of the hole edge of the fixed case 2;
The latch body 20 is attached to the fixed case 2 so that 9 protrudes; the latch body 20 is guided by the fixed case 2 so as to linearly slide and is connected to the base end of the latch body 20, and the cam protrusion 11 engages with the latch body 20. Interlocking plate 22 provided with passive slot 21; Interlocking plate 22 and latch body 20
a spring 23 inserted between the latch body 20 to slide and bias the latch body 20 in the projecting direction; and a side wall plate portion 1 of the fixed case 2.
7 and a biasing spring 24 which is inserted between the rotor 12 and whose end engages with the flat surface portion 9 or 10 to stop the rotor 12 at the latch retracted position or the latch protrusion position.

[Function] As shown in FIGS. 1 and 8, when the handle is not in use, the handle 16 is removed from the fixed case 2, and the screw hole 4 in the top plate 3 of the fixed case 2 is inserted into the cover plate 6.
is blocked by. To use the handle from this state, first insert a screwdriver, circular coin, etc. into the rotation operation part 5 on the top surface of the cover plate 6, rotate the cover plate 6, and remove the cover plate 6 from the screw hole 4. .

Next, the tip of the handle 16 is inserted through the screw hole 4, and the rotor 1 is passed through the through hole 13 of the hook plate 14.
2 into the handle insertion recess 8. When the handle 16 is rotated in a predetermined direction, the side protrusion 15 of the handle 16 pushes the inner surface 8a of the handle insertion recess 8, so that the rotor 12 is rotated in the handle 1.
Rotates integrally with 6. This rotation of the rotor 12 causes the eccentric cam protrusion 11 of the rotor 12 to move toward the interlocking plate 2.
In order to press the inner surface of the second passive slot 21, the interlocking plate 22 slides backward, and the latch body 20 is pulled into the fixed case 2 against the bias of the spring 23.

As a result, the tip of the latch body 20 escapes from the receiving portion 33 on the fixed frame member 32 side, so that the floor hatch 1 is unlocked from the fixed frame member 32. At this stage, the side protrusion 15 of the handle 16 is in a position to engage with the lower surface of the hole edge of the through hole 13 of the hook plate 14, so by pulling the handle 16, the floor hatch 2 moves the hinge shaft on the other side. It can be rotated freely around the center.

When the floor hatch 1 is opened in this manner, one end of the biasing spring 24 is in pressure contact with one flat surface 9 of the circumferential surface of the rotor 12, so that the rotor 12 is accurately held in the latch body retracted position. ,
The handle 16 is held in an inserted position where the side protrusion 15 engages with the edge of the through hole 13.

Next, rotate the handle 16 in the opposite direction to remove the rotor 12.
When the ends of the spring 24 are brought into pressure contact with another flat surface part 10 by integrally rotating in the reverse direction, the side protrusion 15 of the handle 16 is aligned with the through hole 13 of the hook plate 14, and the position where it can be pulled out from the through hole 13 is reached. I come to. This rotor 1
2, the cam protrusion 11 pushes the inner surface of the passive slot 21 of the interlocking plate 22, so the interlocking plate 22 is driven forward, and the tip of the latch body 20 protrudes from the side opening 18 of the fixed case 2. do.

[Embodiment] In the illustrated embodiment, the hook plate 14 is fixed to the bottom wall plate 7 of the fixed case with screws 42, and the latch body 20 is attached to the guide plate 34 fixed to the bottom wall plate 7 with screws 44. It is slidably inserted into the middle L-shaped bent part of the holder. As shown in FIG. 7, the interlocking plate 22 is slidably guided by a pair of cut and raised portions 35 and 36 of the bottom wall plate 7, and a spring is accommodated on the upper surface side of the base end of the interlocking plate 22. A case 37 is fixed, and a biasing spring 24 for maintaining the attitude of the rotor, which is a compression coil spring, is accommodated in the case 37. The rotation operation part 5 of the cover plate 6 is constituted by a minus groove, and the outer peripheral flange part 39 of the cover plate 6 comes into contact with the peripheral step part 38 of the screw hole 4. As shown in FIG. 9, the handle insertion recess 8 of the rotor 12 and the through hole 13 of the hook plate 14 are provided on the diameter of the central round hole into which the round bar portion 40 of the handle 16 is inserted. A side protrusion 15 of the handle 16 is inserted into these notches.

In the detachable lock handle device for a floor hatch according to claim 2, a cylindrical intermediate portion 27 is formed on the hook plate 14 whose both ends 25 and 26 are fixed to the bottom wall plate portion 7 of the fixed case 2, and the cylindrical intermediate portion Since the rotor 12 is rotatably housed in the handle 27, the hook plate 14 serves both as a member for preventing the handle 16 from coming off and as a member for supporting rotation of the rotor 12. Therefore, the number of parts is reduced, the internal mechanism is simplified, and manufacturing and assembly costs can be reduced.

In the floor hatch removal lock handle device according to claim 3, a spring accommodating portion 28 is provided in the length direction on the lower surface of the latch body 20, and an upwardly facing plate portion 30 at the distal end of the interlocking plate 22 is inserted into the spring accommodating portion 28. The latch body 20 is engaged with the proximal end wall 29 of the latch body 20, and the proximal end of the spring 23, which is a compression coil spring, is engaged with the upwardly facing plate part 3.
0, and a cam slope 31 is formed on the lower surface of the tip of the latch body 20 to abut the opening edge surface 41 of the fixed frame member 32, so that the floor hatch 1
When the latch body 12 is closed, the latch body 12 automatically advances and retreats and engages with the receiving part 33, so that the floor hatch 1 is automatically locked with respect to the fixed frame member 32, which is convenient for operation. It is.

[Effect of the invention] As described above, in the floor hatch removal lock handle device of the present invention, when not in use, the handle 1
6 can be separated and removed from the rotor 12 in the fixed case 2, and after removing this handle 16,
Since the screw hole 4 of the top plate 3 is sealed by the cover plate 6, a floor surface is formed that does not pose any hindrance to walking or running, and can be used safely.
The rotor 12, which is rotationally driven by the handle 16, is equipped with a latch body 20 which is interlocked with the rotor 12 via an interlocking plate 22, and the latch body 20 locks and locks the floor hatch 1 to the fixed frame member 32. Therefore, there is no need to separately equip the floor hatch with a locking means.

[Brief explanation of the drawing]

Fig. 1 is a plan view of a removal lock handle device for a floor hatch according to an embodiment of the present invention, Fig. 2 is a bottom view of the device, Fig. 3 is a left side view of the device, and Fig. 4 is a diagram of the device. A right side view, FIG. 5 is a rear view of the device, and FIG. 6 is a front view of the device. Figure 7 is a sectional view taken along line A-A in Figure 1, and Figure 8 is a sectional view taken along line B-B in Figure 1.
9 is a sectional view taken along the line CC in FIG. 5. FIG. 10 is a plan view of the device with the cover plate removed, and FIG. 11 is a longitudinal sectional view of the device with the handle inserted. 1...Floor hatch, 2...Fixed case, 3...
...Top plate, 4...Screw hole, 5...Rotation operation section, 6
... Lid plate, 7 ... Bottom wall plate part, 8 ... Handle insertion recess, 8a ... Inner surface of recess, 9, 10 ... Flat surface part, 11 ... Cam protrusion, 12 ... Rotor, 13
...Through hole, 14...Hook plate, 15...Side protrusion,
16...Handle, 17...Side wall plate portion, 18...
Opening, 19... Latch body tip, 20... Latch body, 21... Passive slot, 22... Interlocking plate, 23...
...Latch body biasing spring, 24... Rotor biasing spring, 25, 26... End of hook plate, 27... Cylindrical intermediate portion, 28... Spring housing recess, 29... Proximal wall portion , 30... Top upward facing plate part, 31... Cam slope, 32... Fixed frame member, 33... Receiving part, 34...
...Guidance plate, 35, 36...Cut-up part, 37...
... Spring-free case, 38 ... Peripheral step, 39
...Outer flange portion, 40...Round bar portion, 41...Opening edge surface, 42...Screw, 43...Connection screw.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. A fixed case 2 that is embedded and fixed in the floor hatch 1; and a cover plate 6 that is screwed into the screw hole 4 of the upper plate 3 of the fixed case 2 and that has a rotation operation part 5 on the upper surface.
It is rotatably attached to the bottom wall plate part 7 directly below the screw hole 4, has a handle insertion recess 8 on the upper surface, and has flat surface parts 9, 10 at regular intervals on the circumferential surface.
a rotor 12 having a cam protrusion 11 at an eccentric position on its lower surface; a hooking plate 14 fixedly arranged on the upper surface of the rotor 12 and having a through hole 13 that matches the handle insertion recess 8; Hole 4
and a handle 16 that is inserted into the handle insertion recess 8 through the through hole 13 and whose side protrusion 15 engages with the back surface of the hole edge of the through hole 13 of the hook plate 14 when rotated; and the side wall of the fixed case 2. A latch body 20 is attached to the fixed case 2 so that the distal end portion 19 protrudes from the opening 18 of the plate portion 17; and the latch body 20 is guided to the fixed case 2 so as to slide linearly and is connected to the base end of the latch body 20. , an interlocking plate 22 provided with a passive slot 21 in which the cam projection 11 engages;
A spring 23 is inserted between the interlocking plate 22 and the latch body 20 and biases the latch body 20 to slide in the projecting direction.
and; the side wall plate portion 17 of the fixed case 2 and the rotor 12
a biasing spring 24 inserted between the two, whose end engages with the flat surface portion 9 or 10 to stop the rotor 12 in the latch body retracted position or the latch body protrusion position;
A removal lock handle device for a floor hatch consisting of. 2. Both ends 25 and 26 of the hook plate 14 are fixed to the bottom wall plate 7 of the fixed case 2, and the rotor 12 is rotatably housed in the cylindrical intermediate portion 27 of the hook plate 14.
2. A removable lock handle device for a floor hatch according to claim 1, wherein said cylindrical intermediate portion (27) is provided with said through hole (13). 3 A spring accommodating recess 28 is provided on the lower surface of the latch body 20 in the length direction, and the upper end plate portion 3 of the interlocking plate 22
0 into the spring accommodating recess 28 and lock the latch body 2.
0, the base end of the spring 23 constituted by a compression coil spring is brought into contact with the upward plate part 30, and the lower surface of the distal end of the latch body 20 is formed into a cam slope 31. The removal lock handle device for a floor hatch according to item 1 or 2.