JP2002089107A - Unlocking drive mechanism for sliding-door lock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the generation of an insufficient stroke even when any site of a door-pull lever is pushed, and to smoothly operate an unlocking drive mechanism by uniformly receiving the force of a sliding driving plate moved together with the door-pull lever by each member. SOLUTION: The unlocking drive mechanism is composed of the sliding driving plate 47, which is installed along the rear of a door pull 30 and in which a fitting projecting wall 51 is movably fitted into a notched section 36 formed to the front bottom wall 35 of the door pull, the door-pull lever 40 integrally mounted on the fitting projecting wall 51 so as to be horizontally displaced against the resilient force of return springs 44 in the recessed section 31 of the door pull, upper-lower rocking cam plates 65 and 65A, which are interposed between a supporting plate 60 for the door pull and the door pull 30 under the state, in which the cam plates are supported axially to central-sections shafts 37, and secured so as to synchronously cooperate with a fitting section 48 formed to the sliding driving plate 47 and in which free end sections 67 and 67 are abutted against the fitting section 48 under a uniform state, and tensile means 75 set up to the sliding driving plate 47 so as to be vertically moved through power conversion mechanisms with gear members 70 converting power from the rocking cam plates 65.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an unlocking drive mechanism for a sliding door lock, and more particularly to a temporary unlocking drive mechanism provided integrally with a pulling handle attached to the sliding door lock to temporarily lock a sickle of the sliding door lock. The present invention relates to a lock release driving mechanism for a sliding door lock suitable for releasing an engagement state of a locking locking piece.

[0002]

2. Description of the Related Art When a sliding door is opened by using a handle, it is preferable that at least an index finger or a ring finger is sufficiently inserted into a recess of the handle, and at the same time, a movable operation lever (in the present invention, a sliding drive mechanism) incorporated into the recess of the sliding door. Pushing the sliding door in the opening direction of the sliding door, it is convenient if the engagement of the locking member that puts the sickle of the sliding door lock into the temporary locked state through the unlocking drive mechanism provided integrally with the pull can be released. It is.

In a lock release drive mechanism for locking a sickle piece engaged with a metal fitting of a door frame in a temporarily locked state and for unlocking a locking piece, conventionally, one of the technical problems is a movable operation. It is demanded that the movable operation lever moves in a horizontal direction with good balance regardless of which part of the lever is pressed.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned demands in the prior art, and a first object of the present invention is to make it possible to push a stroke of any part (upper, middle, lower, etc.) of a pull lever. That is, horizontal movement with the slide drive plate does not occur. A second object is to move the slide drive plate right and left in a well-balanced manner without tilting. A third object is that each member can be rationally combined. A fourth object is to cope with right and left when installing to a sliding door in some embodiments.

[0005]

The unlocking drive mechanism for a sliding door lock according to the present invention is provided along the back surface of the handle 30 and the fitting projection wall 51 is formed on the front bottom wall 35 of the handle. A slide drive plate 47 which is loosely fitted in the notch 36; and the fitting projection wall 51 which is horizontally moved with the slide drive plate 47 into the recess 31 of the puller against the spring force of the return spring 44.
And a fitting portion formed on the slide drive plate 47 between the puller lever 40 and the puller support plate 60 and the puller 30 while being supported by the central shaft 37. 48 are provided so as to cooperate synchronously,
The free ends 67, 67 move up and down via upper and lower swing cam plates 65, 65 </ b> A abutting the fitting portion 48 in an equal state, and a power conversion mechanism for converting the power from the swing cam plate 65. And the pulling means 75 provided on the slide driving plate 47 as described above.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment based on the embodiment of the present invention will be described with reference to FIG.

(1) Environment for carrying out the invention First, the environment for carrying out the invention will be described. X is a sliding door lock, and this sliding door lock X is attached to the sliding door 1. On the other hand, Y is a metal fitting attached to the door frame 2, and this metal fitting Y has a receiving plate 3 called a strike. Next, 4 is a lock case, 5 is a front of the lock case, and 6 is a lid plate. In the lock case 4, a trigger, a sickle, a temporary locking mechanism, a safety mechanism, and a main locking mechanism are provided, respectively, and, for example, a lock release driving mechanism Z for releasing the engagement state of the locking piece 12 of the sliding door X is provided. It is attached to the lock case. (2) Trigger, scythe, etc. 7 is an advancing / retracting member (trigger) slidably mounted in the lock case 4, and the trigger 7 is constantly urged in a protruding direction by a trigger spring 8. 9 is a scythe, which has a pinion 10 at its base. The pinion 10 is engaged with the rack 11 of the trigger 7. Therefore, as shown in FIG. 1, when the trigger 7 retreats into the lock case, the sickle piece 9 is engaged with the strike (receiving plate) 3.

(3) Temporary Locking Member The temporary locking member has a sickle piece 9 as shown in FIG.
At the moment when the sickle piece 9 is engaged, the sickle piece 9 is engaged with the sickle piece 9 to prevent the sickle piece from retreating. For example, reference numeral 12 denotes a locking piece for temporary locking having an engaging claw portion 14 that engages with and disengages from a ratchet tooth 13 formed on the sickle piece 9.
Is guided by a horizontal shaft 15 and is always urged by a spring 16 in a direction to engage with the sickle. This locking piece 1
2 is formed in an L-shape in this embodiment, and an engaged portion (projection, engagement hole, etc.) 17 is protruded from a horizontal rod on the lower side thereof. Then, a tensioning means (latch lever) 75 of the present invention described later is engaged with the engaged portion 17.

(4) Other members FIG. 1 shows other members for convenience of explanation. For example, reference numeral 18 denotes a shock absorbing spring member constituting a safety mechanism. The shock absorbing spring member 18 absorbs a component force applied to the locking piece 12 when the sliding door 1 collides vigorously with the strike 3. . Reference numeral 19 denotes a slide operation piece constituting the locking mechanism. This slide operation piece 1
A lock piece (second locking piece) 20 that can be engaged with a second engagement tooth formed at the rear end of the sickle piece 9 is engaged with the lower end of the sickle piece 9.

(5) Main Parts of the Present Invention The above is the reinforcing material (environment for practicing the present invention) for understanding the main parts of the present invention. Thus, an embodiment of the present invention will be described with reference to FIGS. FIG. 2 is a so-called reference front view when viewed from one side surface of the sliding door 1.
FIG. 3 is an exploded perspective view. 4 to 7 are explanatory diagrams showing the handle 30.

First, a pull 30 made of synthetic resin will be described with reference to FIGS. Generally, the handle has a square shape or a round shape, but in this embodiment, the handle is formed in a vertically long shape so that at least one fingertip of the hand can be inserted with a sufficient margin. That is, 31 is a vertically long recess for inserting a finger. In other words, 31 is a vertically-long rectangular recess in front view. Reference numeral 32 denotes a peripheral side wall forming a vertically long recess, and a rectangular flange portion 33 is provided around an opening edge of the peripheral side wall 32. Reference numerals 34 are mounting holes formed at the upper and lower ends of the flange 33, respectively.

Reference numeral 35 denotes a front bottom wall connected to the peripheral side wall 32.
Referring to FIG. 4, the right end of the front bottom wall 35 has
An elongated notch 36 is formed from a portion closer to the upper end to a portion closer to the lower end. Also, on the back surface of the peripheral side wall 32,
A plurality of fixed shafts (central shaft, end shaft) are protruded. As shown in FIG. 5 in the longitudinal sectional view and FIG.
Reference numeral 7 denotes a pair of upper and lower central shafts for an oscillating cam plate provided at the center of the peripheral side wall 32, while reference numeral 38 denotes a gear provided at an end of the peripheral side wall 32 (including a part near the end). Are a pair of upper and lower end shafts. Reference numeral 39 denotes an additional hole formed on one side of the peripheral side wall 32 for passing a fastener.

"Pull lever"... Next, with reference to FIG.
The pull lever 40 made of synthetic resin to be fitted into the recess 31 will be described. Here, please also refer to FIG. 8 in a state where the pull lever and the slide drive plate are combined.

The pull lever 40 is formed in a vertically long plate shape in consideration of the length of the elongated slit 36 of the pull. Observing the pull lever 40 from the upper end face shown in FIG. 3, a short protruding wall 42 is vertically connected to the right side of the front end of the vertical wall 41 pushed by a finger. On the left side of the front end of the vertical wall 41, a vertically elongated bulging portion 43 is formed so that a finger can be hooked. Therefore, the end surface of the pull lever 40 is formed in a T-shape.

Reference numeral 44 denotes a plurality of return springs each having one end attached to a portion near the upper and lower ends of one side surface of the vertical wall 41. The free ends of these return springs 44 are The peripheral wall 32 abuts on one side inner wall surface 32a. Reference numeral 45 denotes a pair of upper and lower female screws formed near the attachment of the return spring 44.

"Slide drive plate": The metal slide drive plate 47 is provided with a pull lever 40 as shown in FIGS.
And are combined together. The slide drive plate 47 will be described with reference to FIG. 3. Reference numeral 48 denotes a vertically long rectangular fitting portion (for example, a fitting window or a fitting groove) when viewed from the front. Is formed on a rectangular slide plate portion 49 located on the back side of the slide plate. 50 is a slide plate portion 49
The racks are formed at the upper and lower ends, respectively. The rack 50 constitutes a power conversion mechanism together with a gear member described later.

Reference numeral 51 denotes a fitting projection wall continuously provided at an angle (right angle) to the right end of the slide plate portion 49.
A small hole or a small cutout 52 for the return spring 44 having a horizontal U-shape is formed in a portion near the upper and lower ends. In addition, in a portion of the fitting projection wall 51 near the small notch 52,
A pair of through-holes 5 corresponding to the female thread 45 of the pull lever 40;
3 are formed. These through-holes 53 allow the fitting projection wall 51 to be aligned with the handle 30 by aligning the slide plate portion 49 of the slide drive plate 47 with the back surface of the front bottom wall 35 of the handle.
When it is fitted into the elongated notch portion 36 of the handle 30, it coincides with the associated hole 39 of the pull tab 30.

Here, a method of assembling the slide drive plate 47 will be briefly described. First, the slide drive plate 4
7 is fitted into the elongated notch 36 of the handle 30 (A: fitting step). Next, pull the pull lever 40 to pull 3
0, and the vertical wall 41 of the pull lever 40 is inserted through the small notch 52 of the fitting projection wall 51 so that the return spring 44 passes through the small notch 52 of the fitting projection wall 51.
(B: bonding step). Next, the puller lever 40 is passed through the fixing tool 54 from the associated hole 39 of the puller 30 and through the through hole 53 of the fitting projection wall 51.
Of the puller lever 40 and the slide driving plate 47
(C: bonding step).

In the above combined state, the end of the return spring 44 of the pull lever 40 is connected to the pull 30 as shown in FIG.
Because it is in contact with one side inner wall surface 32a of the peripheral side wall 32,
The slide drive plate 47 fitted in the elongated notch 36 of the handle in a loosely fitted state is separated from the inner wall surface 32 a on one side of the peripheral side wall 32 by the return spring 44, and its bent portion is the edge of the elongated notch 36. Is in contact with Therefore, the slide driving plate 47 is always stopped at a predetermined position.

"Support plate" ... Here, before explaining the components such as the swing cam plate and the gear member, a handle 3 will be referred to FIG.
The 0 support plate 60 will be described. Pull plate 60
Is a metal plate formed in an L-shaped end face. FIG. 3 omits details such as screw holes. Depending on the design,
The base plate 60 may be provided with a swing cam plate or a fixed shaft for a gear member, but in the present embodiment, it mainly functions as a support plate for supporting the swing cam plate, the gear member, and the like.

Thus, reference numeral 61 denotes the front bottom wall 35 of the handle 30.
The base plate portion 61 is attached to the back side of the base plate so as to support the slide plate portion 49 of the slide drive plate 47. The base plate portion 61 is substantially the same size as the front bottom wall 35. Reference numeral 62 denotes a long plate-shaped guide side wall formed by bending the left end of the base plate portion 61 in the angle direction.
Is opposed to the outer wall surface 32b on the other side of the peripheral side wall 32 of the tab 30 with a slight gap. In addition, the handle 30 has its flange 33
Is attached to the support plate 60 via fixing means (not shown) in a state in which a part of the back surface of the base member is in contact with the end surface of the guide side wall 62.

"Swinging cam plate": a pair of upper and lower swinging cam plates 6
5 and 65A are each formed in an elongated thin plate shape (for example, a hand-held shape), and in this embodiment, as shown in FIGS. And are axially supported by the central shafts 37, 37, respectively.

Reference numerals 66, 66 denote pinching engagement teeth formed at the opposite ends. Pinching engagement teeth 6
The upper and lower swing cam plates 6 cooperating synchronously via 6, 66
5 and 65A, the portions near the pinching engagement teeth 66, 66 are supported by the central shafts 37, 37, respectively. And
From the part near the engaging teeth 66 to the free end 67, the width is gradually increased. The left and right outer wall surfaces of the wide free end 67 are respectively located on the left and right of the frame-shaped regulating inner wall 48a forming the fitting part 48. The contact state. The inner diameter of the fitting portion 48 and the outer diameter of the wide free end 67 are set appropriately.
Preferably, when the slide drive plate 47 moves in the horizontal direction by the push operation of the pull lever 40, the wide free ends 67, 67 of the upper and lower swing cam plates 65, 65A are pushed by the frame-shaped regulating inner wall 48a, and Are set so as to follow the central shafts 37 and 37 in the same direction synchronously with the fulcrum.

"Gear member": A pair of upper and lower gear members 70, 70 constituting a power conversion mechanism is provided with a pinion portion 7
1, 71 are racks 50, 5 above and below the slide drive plate 47.
The shafts are supported by end shafts 38 and 38 so as to mesh with each other.

"Tensioning means" ... pulling means 75, 75
The guide side wall 62 of the support plate 60 and the peripheral side wall 32 of the puller 30 are engaged with the pair of upper and lower gear members 70, 70, respectively.
And the other outer wall surface 32b.

Referring to FIG. 3, the configuration of the upper pulling means 75 will be described. Explaining the pulling means 75 as a left hand, reference numeral 76 denotes a hook-like engaging portion that engages with the engaged portion 17 of the above-described locking piece 12 of the sliding door lock X. The hook-like engaging portion 76 is a left thumb Is equivalent to a state where is bent. 77 is a support plate 60
The slide portion 77 is equivalent to a palm portion. 78 is the slide part 7
7 is a longitudinally continuous engaging tooth formed by bending a side end portion, and the continuous engaging tooth 78 meshes with the pinion portion 71 of the gear member 70. The continuous engagement teeth 78 correspond to the index finger or the little finger. Note that the gear member 70 and the pulling means 75 are provided in a pair at the top and bottom in order to correspond to the left and right sides, but each of the specific requirements of the present invention may be one.

[0027]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In one embodiment of the present invention, the shape of the support plate 60 for the pull may be formed in an end surface channel shape in addition to an L-shaped end surface. In addition, fixed shaft (central shaft 37,
A mounting hole for the end shaft 38) may be desirably formed in the slide plate portion 49 of the slide drive plate 47 and the base plate portion 61 of the support plate 60. Further, the width of the elongated recess 31 of the tab 30 is 2 cm to 3 cm, while the height is 9 cm to 20 cm.

[0028]

Operation and Effect of the Invention As is clear from the above description,
In the present invention, as shown in FIG. 14, when a finger is inserted into the vertically long recess 31 of the puller 30 and the puller lever 40 is pushed in, the slide drive plate 47 integrated with the puller lever 40 moves to the right indicated by arrow B. In the direction, it horizontally moves against the spring force of the return spring 44. At this time, when the slide driving plate 47 moves horizontally within the range of the vertically long notch portion of the tab 30, the wide free ends 67, 67 of the upper and lower swing cam plates 65, 65A are evenly formed on the frame-shaped regulating inner wall 48a. Pressed and the central shaft 3
It moves (follows) in the same direction as the arrow B synchronously with the fulcrums 7, 37.

When the slide drive plate 47 moves, members (rack 50,
Since the pulling means 75 is retracted into the slide driving plate 47 as shown by the arrow through the gear member 70), the locking piece 12 shown in FIG. ).

Therefore, in the present invention, when the sliding door 1 is opened, even if the pulling lever 40 is pushed in the opening direction B of the sliding door 1, a pressing force is applied to the entire slide driving plate 47. When 47 is moved horizontally by the push operation of the pull lever 40, the symmetric free ends 67, 6 of the upper and lower swing cam plates 65, 65A cooperating synchronously.
Since the abutment 7 uniformly abuts the frame-shaped fitting portion 48 of the slide drive plate 47, the slide drive plate 47 is horizontally moved in a well-balanced manner by the upper and lower swing cam plates having a guiding function.

Therefore, regardless of which part (upper part, central part, lower part, etc.) of the pull lever 40 is pushed when opening the sliding door, the pressing force of the pull lever is swung up and down via the slide drive plate. Since it acts equally on the free end of the cam plate, the puller lever will eventually move smoothly without shortage of stroke.

[Brief description of the drawings]

FIG. 1 is a schematic explanatory view showing an example of an embodiment of the present invention.

FIG. 2 is a front view.

FIG. 3 is an exploded perspective view.

FIG. 4 is a front view of a handle.

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

FIG. 6 is a rear view based on FIG. 4;

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

FIG. 8 is a schematic explanatory view showing the relationship between a pull lever, a slide drive plate, and a pull.

FIG. 9 is a schematic explanatory view showing the relationship between a pull lever and a pull handle.

FIG. 10 is a rear view showing the relationship between the tab and the slide drive plate.

FIG. 11 is an explanatory view from the front showing the relationship among a slide drive plate, a swing cam plate, a gear member, and a pulling means.

FIG. 12 is an explanatory view from the back side in FIG. 11;

FIG. 13 is a schematic sectional view taken along line 13-13 of FIG. 12;

FIG. 14 is a schematic explanatory view from the front illustrating an operating state.

FIG. 15 is a schematic explanatory view from the side illustrating an operating state.

[Explanation of symbols]

X: sliding door lock, Y: metal fitting, Z: lock release drive mechanism, 1
... sliding door, 2 ... door frame, 3 ... strike, 12 ... locking piece, 1
7 ... engaged part, 30 ... handle, 31 ... vertically long recess, 32 ... peripheral side wall, 33 ... flange part, 35 ... front bottom wall, 36 ... slot-cut notch part, 37 ... central shaft, 38 ... end part Shaft, 40: pull lever, 41: vertical wall, 44: return spring, 45: female screw, 4
7 slide drive plate, 48 fitting part, 49 slide plate part, 50 rack, 51 fitting projection wall, 52 small notch part,
53: Through-hole, 54: Fixing tool, 60: Support plate, 61: Base plate, 62: Guide side wall, 65: Swing cam plate, 66 ...
Engaging teeth, 67: free end portion, 70: gear member, 75: pulling means, 76: hook-shaped engaging portion, 78: continuous engaging teeth.

Claims (7)

[Claims] 1. A handle 30 attached to a sliding door lock X in a vertical direction, and a slide plate portion 49 comprising a recess front bottom wall 35 of the handle.
The slide drive plate 47 is fitted with a notch 36 formed in the front bottom wall 35 with a fitting projection wall 51 continuously connected to one end of the slide plate portion 49 in the angular direction.
And a vertically-elongated pull lever 40 provided integrally with the slide drive plate so as to move horizontally together with the slide drive plate 47 against the spring force of the return spring 44 in the recess 31 of the pull handle.
And a central shaft 37 between the puller support plate 60 and the puller 30.
And the slide plate portion 4
9 is provided so as to cooperate synchronously with the frame-shaped fitting portion 48 via the engaging teeth 66, 66, and symmetrical free ends 67, 67 are provided on the frame-shaped fitting portion 48. The slide drive plate 4 is moved up and down via a power conversion mechanism including upper and lower swing cam plates 65 and 65A that contact in an equal state and a gear member 70 that converts power from the swing cam plate 65.
And a pulling means 75 provided in the lock 7. 2. The puller according to claim 1, wherein a plurality of return springs are mounted on the vertical wall 41 of the vertically elongated puller lever 40 and penetrate the fitting projection wall 51 of the slide drive plate 47. An unlocking drive mechanism for a sliding door lock, which is in pressure contact with one inner wall surface 32a of the peripheral side wall 32. 3. The power conversion mechanism gear member 70 according to claim 1, wherein the pinion portion 71 is
7. An unlocking drive mechanism for a sliding door lock, which meshes with a rack 50 formed at an end of the lock 7. 4. The method according to claim 1, wherein the pulling means 75 comprises:
A lock for a sliding door lock which is interposed between the guide side wall 62 of the support plate 60 and the other outer wall surface 32b of the peripheral side wall 32 of the handle 30 so as to mesh with the pinion portion 71 of the gear member 70. Release drive mechanism. 5. The method according to claim 1, wherein the pulling means 75 comprises:
An engaging portion 76 that engages with the engaged portion 17 of the locking piece 12 of the sliding door X, a sliding portion 77 that is connected to the engaging portion 76,
An unlocking drive mechanism for a sliding door lock, characterized in that a side end of the slide portion 77 is formed by bending the side end portion, and has a continuous longitudinal engaging tooth 78 that meshes with the gear member 70. 6. It is provided along the back surface of the handle 30,
In addition, a slide drive plate 47 in which the fitting projection wall 51 is loosely fitted into the notch 36 formed in the front bottom wall 35 of the handle, and a slide drive against the spring force of the return spring 44 in the recess 31 of the handle. A pull lever 40 provided integrally with the fitting projection wall 51 so as to move horizontally with the plate 47;
A fitting portion 48 interposed between the shaft 30 and the handle 30 while being supported by the central shaft 37 and formed on the slide driving plate 47.
And upper and lower oscillating cam plates 65, 65A whose free ends 67, 67 abut against the fitting portion 48 in an equal state, and the oscillating cam plates 65, 65A.
Pulling means 75 provided on the slide drive plate 47 so as to move up and down via a power conversion mechanism for converting power from
And a lock release drive mechanism for a sliding door lock. 7. The unlocking drive mechanism for a sliding door lock according to claim 6, wherein the power conversion mechanism and the pulling means 75 are provided in a pair at the top and bottom.