JP2912580B2 - Flat handle - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flat handle suitable for use in opening and closing a door of a distribution board or the like.

[0002]

2. Description of the Related Art It is well known to use a flat handle for opening and closing a door of a distribution board or the like. In this type of flat handle, the operating handle is normally housed in the main handle frame of the flat handle while lying down, and stands up when the door is opened and closed. On the rear surface of the main body frame, there is a claw fitting that turns with the handle, and the door is disengaged from the fixed frame of the other party whose door opens and closes.

[0003]

There are cases where the claw fitting is pressed against the fixed frame so that the closed door is in close contact with the fixed frame. If the pressing force at that time is strong,
The turning operation of the handle also requires force, and in some cases, the handle falls down before reaching an appropriate position where the handle should fall down, and it is difficult to be stored in the main body frame.
Further, even if the handle is stored, it may not be able to be quickly raised by contacting the body frame.

Accordingly, an object of the present invention is to make it possible to easily raise the handle of the flat handle even when the claw fitting is pressed against the fixed frame.

[0005]

In order to solve the above-mentioned problems, the present invention is based on the premise that a main body frame fixed to a door, a handle for locking / unlocking operation, and a main body frame are provided. And a rotating member interposed between the handle and
The turning member is rotatably attached to the main body frame through its front and rear surfaces, and an upper end of the handle is attached to a front end of the turning member via a turning shaft extending in a radial direction thereof. The handle can be raised and lowered with respect to the main body frame, and the rear end of the rotating member is formed so as to be able to attach a claw fitting which is engaged and disengaged with a counterpart fixed frame that opens and closes the door,
A flat handle having a latch engaging means for engaging the required portion of the handle when the body frame falls down to prevent the handle from standing up.

[0006] On this premise, the present invention is characterized in that the handle has a first engaging portion and a second engaging portion for the latch engaging means on a rear surface of a lower end portion thereof. A latch member that latches with the first engagement portion of the handle to prevent the handle from standing up when the engagement means moves under the bias of the spring from the lower end to the upper end of the handle that has fallen down; When the latch end is disengaged by moving the latch engagement means from the upper end toward the lower end against the bias of the spring, the latch engagement means is pressed against the second engagement portion of the handle. And a press-contact portion capable of moving the fallen handle in a standing direction.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the flat handle according to the present invention will be described below with reference to the accompanying drawings.

A flat handle 1 shown in a plan view in FIGS. 1 and 2 and a partially cutaway sectional view taken along the line II-II of FIG.
It is constituted by a handle 3 and a rotating member 4.
The body frame 2 includes a vertically long handle storage recess 6 and a recess 6.
, And a latch engaging portion 8 located below the concave portion 6. The rear surface of the flange portion 7 contacts the front surface of the door 15 indicated by an imaginary line in FIG. A screw hole 11 formed in the rear surface 9 of the
Further, if necessary, it is attached to the door 15 using an appropriate jig.

[0009] The pivoting member 4 is arranged so that the main body frame 2 is formed at the bottom 6A of the recess 6.
, And can be rotated clockwise or counterclockwise by a required angle. A handle 3 is attached to a front end of the rotating member 4 via a support shaft 12 extending in a radial direction, and a claw fitting 14 and washers 16A, 16B are provided at a rear end thereof, as shown by phantom lines in FIG. Are attached by screws 17. The claw fitting 14 is fixed to the rotating member 4 so as to rotate integrally with the rotating member 4, and the member 4 is fixed to the bottom 6 of the recess 6 by the enlarged diameter portion 21 and the washer 16A.
A is pinched and does not come off from the main body frame 2.

The handle 3 is vertically long, and its upper end is attached to the rotating member 4 so as to be able to rise and fall with respect to the main body frame 2, and is urged by the first coil spring 22 in the upright direction. As shown in the cross-sectional view, an extension 26 extending rearward from the rear surface 23 of the handle 3 is formed at the lower end of the handle 3. In the figure, a portion 27 inside the extension portion 26 that is bent downward is a vertical smooth surface, on which a latch engagement end 41 of a latch member 33 described later is detachable. Outside portion 28 is an inclined surface descending to the right in the figure, and a press-contact portion 42 of the latch member 33 described below can be brought into contact therewith.

The latch engaging portion 8 of the main body frame 2 includes a push button 31 forming a part of the front surface of the frame 2 and a locking member 32.
, A latch member 33, a second coil spring 34 for pressing the push button 31 from the rear surface to the front direction, and a third coil spring 36 for pressing the latch member 33 from below to above. The push button 31 and the latch member 33 are provided with a pin 3 extending in a direction orthogonal to the paper surface of FIG.
Reference numeral 7 denotes a cam follower, which is in pressure contact with a cam surface 38 inclined to the upper right of the latch member 33. When the push button 31 is pressed against the second coil spring 34, the pin 37 moves horizontally to the right while pressing against the cam surface 38, and accordingly the latch member 33 slides on the smooth bottom surface of the concave portion 6. While descending. The latch member 33 is pressed by the third coil spring 36 and engages with the portion 27 of the handle 3 to prevent the handle 3 from rising. The latch member 33 is opposed to the third coil spring 36. Handle 3
And a press-contact portion 42 capable of pressing the handle 3 in the upright direction by pressing against the portion 28 from above in the vertical direction. The positions of the latch engagement end 41 and the press contact portion 42 are adjusted so that the press contact portion 42 presses the handle 3 after the latch member 33 is lowered and the engagement end 41 is separated from the handle 3. I have.

The locking member 32 of the latch engaging portion 8 includes a rotating portion 32A and a frame portion 32B surrounding the rotating portion 32A. Rotating part 32
A uses the key inserted in the keyhole 43 to move 90
When rotated, it can be engaged with the lower end of the latch member 33 to prevent the latch member 33 from descending. At this time, if the key is removed, the fallen handle 3 is locked. The locking member 32 of FIG. 2 is in an unlocked state, and the latch member 33 can be lowered.

FIG. 3 is an end view taken along the line III-III of FIG. Left and right side walls 46 forming the concave portion 6 of the main body frame 2 are
It has a vertical inner surface 46A. The handle 3 has right and left side walls 47 that hang down toward the bottom 6A of the recess 6 and extend between the upper and lower ends of the handle 3 (see FIG. 2). Side wall 47
Are 5 to 5 with respect to the inner surface 46A such that the outer surface 47A approaches the center line CC which bisects the handle 3 to the left and right.
It hangs at an angle of 0 °, preferably 10 to 30 °.

In the thus constructed flat handle 1, when the push button 8 is pressed in the state shown in FIG. 2, the latch member 33 is lowered and the latch engaging end 41 is moved to the handle 3.
And the handle 3 is in a state capable of standing upright. When the latch member 33 is further lowered, the press contact portion 42 presses against the portion 28 of the handle 3 to push up the handle 3 and assist the handle 3 to stand up. The upright handle 3 is a rotating shaft 4
Together with the fixing frame 50
(See FIG. 2), and the door 15 can be opened. The handle 3 indicated by a virtual line in FIG. 2 is in a state where the part 28 is pressed and slightly raised.

When the door 15 is closed and the handle 3 is returned to the vertical position, the claw fitting 14 engages with the fixed frame 50. Then
When the handle 3 is turned down, the inclined surface 4 on the upper right of the engagement end 41 of the latch member 33 at the tip of the extension 27 of the handle 3.
1A is pressed, and the latch member 33 is received in the recess 6 while being lowered against the third coil spring 36. When completely settled, the latch member 33 rises and latches and engages with the handle 3, and the state shown in FIG. 2 is obtained.

In such a flat handle 1, the claw fitting 1
When the handle 3 is difficult to rotate due to the pressure contact between the handle 4 and the fixed frame 50, the handle 3 may fall down before returning to the vertical position. At this time, the right and left side walls 4 of the handle 3
7 abuts against the top edge 6B of the recess 6, the side wall outer surface 47A
The handle 3 is quickly accommodated in the recess 6 due to the inclination. As described above, even if the handle 3 is slightly displaced from the recess 6 extending vertically, the handle 3 can fall down and fit in the recess 6. In addition, the handle 3 that fits in this manner may not easily stand by the force of the first coil spring 22 by contacting the side wall 46 of the recess 6. In such a case, in the flat handle 1, the press-contact portion 42 of the latch member 33 presses against the rear surface of the handle 3, so that the handle 3 can be reliably erected.

FIGS. 4 and 5 are views similar to FIGS. 1 and 2 showing an embodiment of the present invention. The latch engaging portion 8 of the flat handle 1 includes a latch member 33 and the third coil spring 3.
6, and the latch member 33 has a latch engagement end 41 and a press-contact portion 42 similar to those of FIG. In the figure, the latch member 33 is pressed upward by the third coil spring 36, and the latch engagement end 41 is engaged with the portion 27 of the handle 3. When the latch member 33 is moved downward against the third coil spring 36 by placing a finger on the step portion 51 on the front surface,
The handle portion 3 is disengaged from the handle 3, and at the same time, the pressing portion 42 presses the portion 28 of the handle 3. The latch member 33
Are attached to the concave portion 6 of the main body frame 2 so as to be slidable in the vertical direction, and the upper end portion 53 and the lower end portion 54 of the bottom sliding surface 52.
Are in contact with the step portions 56 and 57 of the concave portion 6 and the sliding stops.

FIGS. 6 and 7 are views similar to FIGS. 1 and 2 showing still another example of the embodiment of the present invention. The latch engaging portion 8 of the flat handle 1 includes a latch member 33, a third coil spring 36 that presses the latch member 33 upward, and a locking member 32. The locking member 32 includes a rotating portion 32A and a frame. 32B. In this latch engaging portion 8, a key (not shown) in which the rotating portion 32A is inserted into the keyhole 43
When the lever is turned 90 ° clockwise from the state shown in the figure, the latch member 33 is lowered against the third coil spring 36, the latch engagement end 41 is separated from the portion 27 of the handle 3, and the pressing portion 42 Presses the handle portion 28. When the rotating portion 32A is turned counterclockwise after the upright handle 3 has fallen down, the latch member 33 is raised by the action of the third coil spring 36 and latches into the handle 3. This flat handle 1 can be used unless the turning part 32A is turned using a key.
It has a feature that the handle 3 cannot be raised.

FIG. 8 is a plan view of the latch member 33 taken along line VIII-VIII of FIG. 7, wherein the latch member 33 is in the raised position in FIG. 7A and is in the lowered position in FIG. The latch member 33 has a groove 6 extending in the width direction at the lower end.
1 and the rotating portion 32A has a columnar pin 62 extending rearward from the rear end (see FIG. 7). In the state of FIG. 7, that is, in the state of FIG. 7A, the pin 62 is located eccentrically obliquely upward from the axis D of the rotating portion 32 </ b> A, and is in contact with the lower side wall 61 </ b> A of the groove 61. When the rotating portion 32A rotates clockwise, the pin 62 pivots around the axis D, and the side wall 61A rotates.
A is pressed to lower the latch member 33 to the position (B). When the rotating portion 32A rotates counterclockwise, the pin 62 is detached from the side wall 61A, and the latch member 33 is moved to the third position.
The state of (A) is returned by the action of the coil spring 36. A spring for urging the rotating portion 32A in a counterclockwise direction is applied to the rotating portion 32A, and the latch member 3 is turned on except when operated by a key.
7 is always in the state of FIG. 7, that is, the state of FIG. The handle 3 at this time pushes the slope 41A of the latch engagement end 41 with the tip of the extension portion 26 when the handle 3 is folded down, and the latch member 33 is lowered. When the urging spring is used for the rotating portion 32A, the key is used only when the handle 3 is erected.

FIG. 9 is a sectional view similar to FIG. 3, showing an example of the embodiment of the present invention. This flat handle 1
There are the same as those of FIGS. 1 and 2, but only the cross-sectional shape is different. In the illustrated flat handle 1, an inner surface 46 </ b> A of the concave side wall 46 of the main body frame 2 is connected to an outer surface 47 of the side wall of the handle 3.
A is substantially parallel to A, and the left and right inner surfaces 46A are inclined toward the bottom 6A of the recess 6 in a direction approaching each other. In this case, since the main body frame 2 and the falling handle 3 come into contact with each other at the inclined side walls 46 and 47, the side wall outer surface 47A of the handle 3 is squared as shown in FIG. There is no danger that the outer surface 47A will be damaged by contact with the top edge 6B.

FIG. 10 is a sectional view similar to FIG. 2 showing a main part of the flat handle 1, and shows an example of the embodiment of the present invention. In the flat handle 1, the extension 26 to the rear surface of the handle 3 is formed by a horizontal line 28A and a vertical line 2A in the figure.
8B has a corner 28 formed by crossing. The latch member 33 is attached to the press-contact portion 42 by a slope 42 that descends to the right in the figure.
When the latch member 33 descends, the latch member 33 is pressed against the corner 28 of the handle 3 to assist the handle 3 in standing up. The flat handle 1 is the same as the flat handle 3 in FIGS. 1 and 2 except for the shapes of the extension 26 of the handle 3 and the press-contact portion 42 of the latch member 33.

[0022]

In the flat handle according to the present invention, when the latch member of the main body frame moves in the direction of releasing the engagement with the handle, it can be pressed against the rear surface of the handle to assist in the erecting of the handle. Even a handle that is difficult to stand up normally can easily stand up.

Further, in a mode in which the outer surface of the side wall of the handle is inclined downward in a direction approaching the center line of the handle,
Even if the side wall abuts on the body frame, the handle is quickly stored in the body frame.

[Brief description of the drawings]

FIG. 1 is a plan view of a plane handle.

FIG. 2 is a partial sectional view taken along line II-II of FIG.

FIG. 3 is a sectional view taken along line III-III of FIG. 1;

FIG. 4 is a plan view similar to FIG. 1, showing an example of the embodiment;

FIG. 5 is a sectional view taken along line VV of FIG. 4;

FIG. 6 is a plan view similar to FIG. 1, showing an example of the embodiment;

FIG. 7 is a sectional view taken along line VII-VII of FIG. 6;

FIG. 8 is an essential part of a sectional view taken along line VIII-VIII in FIG. 7;

FIG. 9 is a view similar to FIG. 3, illustrating an example of the embodiment;

FIG. 10 is an essential part of a sectional view similar to FIG. 2, showing an example of the embodiment;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Flat handle 2 Main body frame 3 Handle 4 Rotating member 8 Latch engaging means (Latch engaging part) 12 Rotating shaft (support shaft) 14 Claw fitting 15 Door 27 First engaging part (part) 28 Second engagement Part (part) 41 Latch engagement end 42 Press-contact part 47 Side wall 50 Fixed frame

Claims (5)

(57) [Claims] 1. A body frame fixed to a door, a handle for locking and unlocking, and a rotating member interposed between the body frame and the handle, wherein the rotating member is An upper end portion of the handle is attached to the main body frame through a front and rear surface thereof so as to be rotatable, and an upper end portion of the handle is attached to a front end portion of the rotary member via a rotary shaft extending in a radial direction thereof. The handle can be raised and lowered with respect to the main body frame, and a rear end portion of the rotating member can be attached with a claw fitting which is engaged with and disengaged from a counterpart fixed frame that opens and closes the door. A flat handle having latch engagement means for engaging a required portion of the handle to prevent the handle from standing up, wherein the handle has a first engagement portion for the latch engagement means and a second engagement portion at a lower end thereof. And an engaging portion, wherein the latch engaging means comprises: A latch engagement end for latching the first engagement portion of the handle to prevent the handle from standing up when the handle is moved downward from the lower end portion toward the upper end portion under a spring bias; When the latch engagement means moves from the upper end to the lower end against the bias of the spring and the latch engagement is released, the latch engagement means presses against the second engagement portion of the handle and falls down. A press-contact portion capable of moving the handle in a direction in which the handle stands up. 2. The latching means of the main body frame releases a latching engagement with a first engaging portion of the handle when a pressing operation is performed from a front surface of the main body frame toward a rear surface of the main frame. The flat handle according to claim 1, wherein the flat handle can be pressed against the portion. 3. The first handle of the handle when the latch engaging means of the body frame slides from the upper end to the lower end of the handle when the handle is down on the front surface of the body frame.
The flat handle according to claim 1, wherein the flat handle can be released from the latch engagement with the engagement portion and pressed against the second engagement portion. 4. A latching means of the main body frame has a rotating member operable on a front surface of the main body frame, and the turning of the member causes the latching engagement with the first engaging portion of the handle. The flat handle according to claim 1, wherein the flat handle can be released and pressed against the second engagement portion. 5. The handle has a side wall extending between the upper and lower ends on both left and right side edges thereof and hanging from a front surface of the handle toward a rear surface thereof. An outer surface of the handle is inclined downward in a direction approaching a center line bisecting the width of the handle.
5. The flat handle according to any one of 4.