JP3073438B2 - Opening door 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 handle device for a hinged door.

[0002]

2. Description of the Related Art Generally, as shown in FIG. 13, an L-shaped lever handle 52 protruding from door surfaces 51A and 51B of a door 51, and a door knob (a handle ball type) as shown in FIG. The lever handle 52 and the door knob are rotated, so that the latch 54 of the closing door holding device (empty lock, final lock, etc.) 53 provided on the opening door 51 is interlocked. Through a mechanism (not shown) and a rotating shaft 55, the strike 57 provided on the door frame 56 is released from the substantially rectangular engagement hole 58 to release the engagement.

Therefore, in order to open and close this kind of door, the lever handle 52, the door knob, and the like are pulled or pushed toward the front while being rotated.

[0004]

The lever handle 52, the door knob, and the like provided on the opening door 51 have a large protruding length from the door surfaces 51A, 51B, so that the corridor or the room is substantially narrowed. If there is a risk that the clothes and belongings of the resident may be caught and doors are provided on both sides of the corridor, if they are opposed to each other, the substantial width of the corridor will be further reduced. Have to be restricted. Therefore, there is a need not to protrude from the door surface as much as possible.

In order to meet this need, it is conceivable to reduce the size of the lever handle 52 or the door knob itself, which is a protruding object. However, this makes it more difficult to open and close the opening door. The handles and doorknobs are made noticeable in size and shape to improve the design, and by calling attention to prevent interference with people. SUMMARY OF THE INVENTION The present invention has been made in view of the above-described situation, and has a handle device for an opening door that can be made as thin as possible without prohibiting the opening and closing operation of the opening door. It is intended to provide.

[0006]

According to the present invention, the following technical measures have been taken in order to achieve the above object. That is, the handle device for a hinged door according to the present invention includes a casing provided with an operation opening portion that is opened in a plane substantially parallel to the door surface of the hinged door and has a size that allows a finger of a hand to pass therethrough. An operating piece that is movable up and down in parallel with the door surface, and the door frame of the closed door holding device that engages with the door frame side and holds the open door in a closed state by pushing the operating piece. and a linkage means for releasing the engagement of the side, the housing space between the door surface and the casing front wall which houses the interlocking means, and disposing the operation piece, the casing of the operation opening From the front and back
An outer operation unit having an inverted U-shaped cross section to cover the operation piece
It is characterized by being provided (claim 1).

In the present invention, since the operation piece is provided so as to move up and down in the casing, only the casing can protrude from the door surface, and the amount of protrusion from the door surface can be reduced. It can be as small and thin as possible. In this case, a finger of a hand is inserted into the casing from the operation port of the casing, and the operation piece is simply pushed vertically,
The operation piece operates the interlocking means, the engagement of the door holding device with the door frame side is released, and the fingers of the hand are caught on the casing front wall in a state where the operation piece is pushed and pushed, so that The door can be opened and closed by pushing and pulling the door.

In the present invention, the operation of the casing is controlled.
Outside with inverted U-shaped cross section that covers the edge of the mouth from the front and back
Since the side operation section is provided on the operation piece, the amount of protrusion of the operation piece from the casing front wall can be reduced, and the operation piece
By pushing the outer operation unit , even if the fingers of the hand are not inserted into the casing from the operation port, that is, even if you have an object in both hands, push the operation piece with the back of the hand, arm, elbow The door can be opened and closed. Further, in the present invention, the casing is mounted on a door surface via a mounting substrate, and an upper end of the substrate is bent in a direction away from the door surface to be a hook portion of the casing, and a lower end of the substrate is directed forward and upward. By bending and making the casing a fixing portion (claim 2 ), the casing can be easily and conveniently mounted, and the handle device becomes strong.

Further, according to the present invention, the stopper / locking member of the operation piece is mounted on the front wall of the casing so as to be operable from outside the casing.
3 ) By operating the stopper / locking member to stop the movement of the operation piece, the disengagement operation of the door holding device can be prevented, and the door can be locked.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 4 show a state in which a handle device 1 according to one embodiment of the present invention is attached to an opening door 2. The hinged door 2 is attached to one side of a door frame 3 via a hinge 4 so as to be opened and closed by rotating about a vertical axis of the hinge 4. When the door 2 is closed, an engaged state with the door frame 3 can be held by the closed door holding device 5 (in this example, an empty lock) attached to the door 2.

The handle device 1 includes a casing 6 in the form of a rectangular box lid that is long in the vertical direction, an operation piece 7 that can be moved up and down in the casing 6, and a storage space 8 for the operation piece 7.
And a coil spring 10 for urging the operation piece 7 upward and returning the same, and a mounting board 11 for the casing 6. , And a stopper / locking member 12 for preventing the operation piece 7 from descending. As shown in FIG. 11, the door holding device 5 is generally employed in the related art. As illustrated in FIG. 11, a latch 14 is provided in a rectangular And a pivot boss 16 of an interlocking mechanism (not shown) into which the shaft 15 is fitted.
And a return spring 17 and the like provided on the boss 16 in a wound shape.

The return spring 17 is connected to the latch 14
Always advances (fits into engagement hole 19 of strike 18)
(Indicated by the arrow A in the figure). Therefore, by rotating the rotary operation shaft 15 in the direction indicated by the arrow C in the drawing, the latch 14 is retracted (moved in the direction indicated by the arrow B in the drawing) via the interlocking mechanism, and the engagement hole of the strike 18 is formed. 19, the engagement is released. In addition, both ends of the rotation operation shaft 15 protrude from door surfaces 2A and 2B (indoor side / outdoor side surface) of the opening door 2, and the interlocking means 9 is fitted to the both ends.

The casing 6 of the handle device 1 is shown in FIG.
As shown also in FIG. 6, a thin box lid type having an open back and presenting a vertically long rectangle in front view, the front wall 6A of which is the door 2
The front wall 6A is provided with an operation opening 20 that is horizontally long at the top and has a size that allows a plurality of fingers F to pass therethrough, and a vertically long operation opening below the front wall 6A. Slot 21 and mounting window 22 for locking member 12 (H-type in front view)
Is provided. And the lower edge 6B of the casing 6
Has an inclined surface with its open end lowered, and has a plurality of mounting screw insertion holes 23. Further, the front wall 6A of the casing 6 projects rearward from the upper end edge and left and right side edges of the operation port portion 20 on the rear side thereof, and has a rear wall 24A.
A lower open inner pocket 24 forming A is provided. The rear wall 24A of the inner pocket 24 projects rearward from the open edge 6C of the casing 6 and extends to a position below the elongated hole 21. A screw insertion tool insertion hole 25 is provided.

As shown also in FIGS. 7 to 9, the operation piece 7 has a substantially gate-shaped operation piece main body 7A as viewed from the front, and a part of the operation piece main body 7A is an outer operation part 26 and the other is an inner operation part 27. And a push operation body 7B. The operation piece main body 7A
Is provided with an interlocking operation protrusion 28 slightly on the lower surface of the upper part thereof and closer to the right leg 30 so that the lower ends of both legs 29 and 30 are constantly urged upward (in the direction of arrow E in the drawing) by the coil spring 10. A locking projection 31 for locking the stopper / locking member 12 is provided at a lower end of the left leg 29 and a right leg 30.
It protrudes in the direction. And the operation piece main body 7A is
The lower part of the front wall 6A of the casing 6 and the mounting board 11
It is fitted in the storage space 8 formed between the lower part and the lower part so as to be vertically movable.

The pushing operation body 7B is, as shown in FIG.
The inner lower end of the outer operating portion 26 having an inverted U-shaped cross section that covers the edge of the operating opening of the casing from the front and back is connected to the front end of the horizontal rectangular plate-shaped inner operating portion 27. The front side is located outside the front wall 6A of the casing 6, and can be pushed by the back of the hand, the elbow, the arm, and the like. The inner operation portion 27 is sized to be vertically movable in the inner pocket 24 of the casing 6, and can be pushed by a finger F of a hand in a direction indicated by an arrow in FIG.

The outer operating portion 26 has a triangular hanging portion 26A at the lower center on the front side. The hanging portion 26A covers the elongated hole 21 formed in the front wall 6A of the casing 6, and the elongated operating portion 26A is elongated from the outside. 21 is not visible. Furthermore, on the back side of the outer operation unit 26, it is located at the center in the left-right direction,
A stopper pin 32 that fits into the long hole 21 of the casing 6 is screwed. In addition, the screwing of this pin 32
Utilizing the tool insertion hole 25 provided in the rear wall 24A of the inner pocket 24, the operation is performed by a tool such as a screwdriver.

The interlocking means 9 comprises a lever 9B having a boss 9A, a square hole 33 is provided in the boss 9A in a penetrating manner, and the end of the turning operation shaft 15 of the door closing holding device 5 is fitted. Have been. The thickness (the front-rear width) of the lever 9B of the interlocking means 9 is determined by the leg portions 29, 3 of the operation piece main body 7A.
The thickness is the same as the thickness of 0, and is rotatably stored in the storage space 8. The upper end surface of the lever 9B is the lower end (tip) of the interlocking operation protrusion 28 of the operation piece 7.
, And is always in contact with the urging force of the return spring 17.

As shown in FIG. 10, the mounting board 11 has a width which is the same as the space between the outer surfaces of both side walls of the inner pocket 24 of the casing 6 and which is vertically long and substantially rectangular when viewed from the front. A portion slightly above the center thereof is formed as a pocket fitting portion 34 projecting in a U-shape in a side view so as to fit the inner pocket 24 of the casing 6. On the left and right ends of the lower half of the substrate 11, vertically movable guide pieces 35 of the operation piece 7 protruding forward are provided to face each other, and the lower half of the guide piece 35 It is a positioning holding part 35A. The interval between the guide pieces 35 is determined by the two legs 2 of the operation piece main body 7A.
The interval between the outer end faces 9, 30 is set to be equal to or slightly smaller than that of the outer end faces, so that the vertical movement of the operation piece main body 7A can be performed smoothly.
With the exception of the fixing portion 36, it is cut and raised obliquely forward to form a hook portion 37 of the casing 6. The fixing portions 36 are provided with mounting holes 38 for the door surfaces 2A and 2B, respectively. The lower end of the mounting substrate 11 is bent upward and forward to form a fixing portion 39 of the casing 6. The fixing portion 3 corresponds to the mounting screw insertion hole 23 of the casing 6.
9 has a mounting screw hole 40.

Further, a positioning and holding member 41 of the coil spring 10 having a groove shape as viewed from below is fixed to a lower portion of the mounting board 11 by a fixing screw 42, and a door surface 2A, An attachment hole 38 for 2B is provided.
The coil spring 10 is held between the positioning holding portion 35A and the holding piece 41A of the positioning holding member 41. The mounting board 11 includes:
A hole 43 that penetrates the boss 9A of the interlocking means 9 is provided below the pocket fitting portion 34, and the U-shaped locking in a side view is provided between the hole 43 and the holding member 41. The holding guide body 44 of the member 12 is fixed to correspond to the mounting window 22 of the casing 6.

The stopper / locking member 12 comprises a rectangular parallelepiped sliding locking body 12A and an operation button 12B protruding from the front side of the sliding locking body 12A. Is mounted using the mounting window 22 of the casing 6 so as to be slidably held in the right and left directions, and the operation button 12B thereof can be pushed from outside the front wall 6A of the casing 6. I have. The front surface of the locking body 12A is colored blue and red (see FIG. 2), and the locking body 12A is positioned at the position shown in FIG. 2, that is, at the locking projection 31 of the operation piece main body 7A. In the unlocked position, blue is seen from the blue display opening 22A on the left side of the mounting window 22, and at this time, the operation button 12B is
B and the central opening 22C. Therefore, the operation button 12B is pushed to the left to move the locking body 12A.
Is moved to the position shown by the two-dot chain line in FIG.
The red color of the locking body 12A can be seen from the outside, and it can be known that the locked state is achieved.

The handle device 1 according to the present invention is provided with an opening door 2
When mounting on the door surfaces 2A, 2B, the mounting recesses 45, 46 of the door surfaces 2A, 2B formed on the basis of the rotating operation shaft 15 of the already mounted door holding device 5 (see FIG. 1).
Then, the pocket fitting portions 34 of the mounting substrate 11 are fitted respectively, and the mounting substrate 11 is opened using the mounting holes 38 with the mounting screws 47 and mounted on the door 2. Then, the boss 9A of the interlocking means 9 is mounted by fitting the square hole 33 to the end of the rotary operation shaft 15 such that the lever 9B is in the state shown by the solid line in FIG. Incorporate.

The mounting substrate 11 includes a coil spring 10
And the positioning holding member 41 is attached in advance.
The casing 6 has an operation piece 7 on its front wall 6A.
The push operation body 7B is attached by the stopper pin 32, and the stopper / locking member 12 is attached. Then, the upper edge of the casing 6 is attached to the mounting substrate 11.
Of the casing 6 so that the inner pocket 24 fits into the pocket fitting portion 34 and the stopper / locking member 12 fits into the holding guide body 44. The lower edge 6 </ b> B is brought into contact with the fixing portion 39 of the substrate 11, and the fixing screw 48 is screwed from the insertion hole 23 into the mounting screw hole 40 of the fixing portion 39, thereby forming the casing 6.
Is fixed. As described above, the handle device 1 can be attached to each of the inner and outer door surfaces 2A and 2B of the hinged door 2.

According to the above-described embodiment, the operating piece 7 is positioned at the upper limit by the urging force of the normal (non-operating) coil spring 10 and the urging force of the return spring 17 of the door closing holding device 5. Is in the advanced state (closed door holding state). Therefore, as shown in FIG. 1, the finger F of the hand is inserted into the inner pocket 24 from the operation port 20 of the casing 6, and the inner operation portion 27 of the push-moving operation body 7 </ b> B is indicated by an arrow in the figure with the fingertip. By being pushed downward against the urging force of the coil spring 10 and the return spring 17, the operation piece main body 7A moves downward, and the interlocking operation protrusion 28 moves the distal end of the lever 9B of the interlocking means 9 downward. Pushing, the turning operation shaft 15 is turned through the interlocking means 9 in the direction indicated by the arrow C in the figure.

By the rotation of the rotation operation shaft 15, the latch 14 retreats (moves in the direction of arrow B in the drawing) via the interlocking mechanism, and the engagement is released. Therefore, by pushing or pulling the opening door 2 with a finger while pushing the operation piece 7,
Can be opened and closed. When the pushing of the operation piece 7 by the finger F of the hand is stopped, the latch 14 advances (moves in the direction of arrow a in the figure) by the return spring 17, and the operation piece 7 is moved by the coil spring 10 to the arrow E in FIG. And return to the direction indicated by. In the above-described embodiment, the latch 14 is retracted in the direction indicated by the arrow B in FIG. 2 by pressing down the outer operation portion 26 of the operation piece 7 with the palm, back, elbow, arm, or the like, as described above. The latch 14 can be in the disengaged state, so that the latch 14 can be disengaged even when an object is held in both hands.

In the above embodiment, the operation piece 7 is
As shown in FIG. 12, the operation piece main body 7A and the push operation body 7B
Can be integrally formed.
5 can be retrofitted as a separate part. According to the above embodiment of the present invention, the inner pocket 24
Is provided, so that the thickness of the casing 6 is extremely thin,
That is, the amount of protrusion from the door surfaces 2A and 2B can be made as small as possible, which can be used not only to improve the design but also to make the corridor and the room substantially wide, and to make the door 2 prefabricated. It is a great place to contribute to.

The present invention is not limited to the above embodiment, and the design can be changed as appropriate. For example, the inner pocket 24 can be reduced in depth (dimension in a direction orthogonal to the door surfaces 2A and 2B) or can be made not to protrude from the casing open end 6C. Each or all of the member 12 and the coil spring 10 can be eliminated. The coil spring 1
In the case where 0 is not provided, the return biasing force of the return spring 17 of the door holding device 5 is given a margin, so that the return spring 17
It is also possible to double the return bias of the operation piece 7 with the biasing force. The locking member 12 can be provided only on the handle device 1 on the indoor side.

Furthermore, the operating piece 7 can also be connected to the connecting motion means 9. And the interlocking means 9 is a pinion,
Other interlocking mechanisms, such as providing a rack on the operation piece 7 and engaging it, can be adopted. In addition to the structure in which the operation piece 7 is pushed upward to rotate the interlocking means 9, the thickness of the boss 9A of the interlocking means 9 can be the same as the thickness of the lever 9B.

[0028]

As described above , according to the present invention,
Casing becomes thin as much as possible, it is possible to reduce the amount of projection of the door surface, yet do not want to inhibit the opening and closing operation. According to the invention, the edge of the operation port of the casing is covered from the front and back.
An outer operation unit having an inverted U-shaped cross section is provided on the operation piece.
Therefore, the projecting amount of the operation piece from the casing front wall is
It can be made small and the operation piece is
By pushing the outer operation portion of the door, the door can be opened even when an object is held in both hands (claim 1 ).

Further, according to the present invention, since the casing is mounted on the door surface via the mounting board, the handle device can be firmly mounted, and the mounting of the casing is easy and the appearance is improved. Yes (claim
2 ). Then, according to the present invention, since there is provided a stopper and locking member, even when closing the holding device is empty tablet is lockable is (claim 3).

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional side view showing an embodiment of the present invention, in a state where it is attached to a hinged door.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a perspective view showing a state of being attached to the hinged door of the embodiment.

FIG. 4 is an enlarged perspective view of the same embodiment.

FIG. 5 is a front view of the casing in the embodiment.

FIG. 6 is a sectional view taken along line BB of FIG. 5;

FIG. 7 is a front view of the operation piece according to the embodiment.

FIG. 8 is an upper plan view of FIG. 7;

FIG. 9 is a right side view of FIG. 7;

FIG. 10 is a front view of the mounting board in the embodiment.

FIG. 11 is a partially cutaway side view showing the door holding device provided on the opening door.

FIG. 12 is a right side view (corresponding to FIG. 9) showing another example of the structure of the operation piece in the embodiment.

FIG. 13 is a perspective view showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Handle device 2 Opening door 2A Door surface 2B Door surface 3 Door frame 5 Closed door holding device 6 Casing 6A Front wall 7 Operation piece 7B Pushing operation body 8 Storage space 9 Interlocking means 11 Mounting board 12 Stopper and locking member 20 Operation opening 26 Outside operation part (part of operation piece) 37 Hook part 39 Fixing part F Finger

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. ⁷ , DB name) E05C 1/16 E05B 5/00 E05B 1/00 311 E05B 1/06 101

Claims (3)

(57) [Claims] 1. A casing having an opening which is opened in a plane substantially parallel to a door surface of a hinged door and which has a size through which a finger of a hand can be inserted, and an upper and lower portion parallel to the door surface in the casing. An operating piece that is movable, and by pushing the operating piece, disengages the door frame side of a door holding device that engages with the door frame side and holds the open door in a closed state. and a linkage means for, in the storage space between the door surface and the casing front wall which houses the interlocking means, arranged said operation piece, covering the edge of the operation opening of the casing from the front and back Inverted U
An opening door handle device , wherein an outer operation portion having a character-shaped cross section is provided on the operation piece . 2. The casing is mounted on a door surface via a mounting substrate, and an upper end of the substrate is bent in a direction away from the door surface to form a hook portion of the casing, and a lower end of the substrate is bent forward and upward. claim 1 Symbol mounting opening door handle device is characterized in that the fixed portion of the casing by. Wherein the front wall of the casing, the stopper and the locking member of said operation piece, door handle device opening according to claim 1 or 2, wherein the operably mounted externally of the casing.