JP4253050B2 - Handle lock - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a so-called push-pull type handle lock configured such that the latch lock is unlocked by pushing or pulling the handle toward the door opening direction, and the door is opened by continuing the operation of the hook. It is.
[0002]
[Prior art]
The above handle lock is very convenient because it opens the door in relation to the handle operation that unlocks the latch lock, for example, entrance doors of apartment houses such as detached houses and condominiums, etc. Widely used for entrance doors.
[0003]
In apartment houses such as detached houses and condominiums, some entrance doors may be provided inside the door, but in order to increase the living space, entrance doors are often provided outside the office. For example, since there is room in the space, the entrance door is often provided on the inside opening from the viewpoint of crime prevention and efficiency of work.
[0004]
By the way, for example, if the handle lock for the outer opening door is used for the inner opening door, the pulling side handle, that is, the outdoor side handle is set to the indoor side, and the pushing side handle, that is, the indoor side handle is set to the outdoor side. However, in this case, the following inconvenience occurred for crime prevention.
That is, the seat mounting screw for attaching the handle of the handle lock to the door surface inside and outside the door is generally exposed on the seat inside the door, and if this seat inside the door is used on the outdoor side, Anyone remove the mounting screw do it The seat can be removed, and anyone can freely unlock and open the door.
[0005]
[Problems to be solved by the invention]
For these reasons, conventionally, it has been necessary to manufacture two types of handle locks corresponding to each of the outer opening door and the inner opening door.
Therefore, the manufacturing cost including the management cost as well as the manufacturing cost has become extremely expensive.
[0006]
In addition, depending on the type of door or the user's preference (design surface, operability, etc.) where the handle lock is attached, the handle can be mounted vertically or horizontally on the door surface. In order to do this, two types of vertical and horizontal handle locks were required. Here, the vertical and horizontal handle locks are a lock mechanism and a lock mechanism built into the lock case. It is a broad definition that includes a lock body and a handle depending on the parts, and since there is no compatibility between the lock body and the handle, the manufacturing cost is greatly increased. there were.
[0007]
The present invention is for overcoming the above-described conventional drawbacks, and can be used for both an outer opening door and an inner opening door with one kind of handle lock.
Further, the handle lock can be shared for the vertical handle and the horizontal handle.
[0008]
[Means for Solving the Problems]
The present invention The handle lock on the door is a latch lock provided on the open end of the door and the door surface inside and outside the door. Vertically A seat for attaching the handle, an inner handle that can be pushed and pulled on the seat inside the door, an outer handle that can be pushed and pulled on the seat on the outside of the door, Both inside and outside And a spring for holding the handle of the inner handle in the middle position of the push-pull, and further, pushing the inner handle from the middle position. Or Pull operation Or Push the outer handle Or Regardless of the pulling operation, the latch bolt of the latch lock After Provide an operating mechanism that allows retraction. The actuating mechanism is integrated with an actuating member having a substantially central portion pivotally supported by a pin inside the seats on both the inner and outer sides of the door, and an upper and lower link and a handle on both the inner and outer sides. A continuous hole formed in the upper and lower sides of the handle and extending in the direction of pushing or pulling the handle on both the inner and outer sides and projecting from the upper and lower links of the operating member. Engaging pins are engaged in the upper and lower elongated holes, and any of the operating members on both the inner and outer sides of the door is engaged or disengaged regardless of whether the handle on both the inner and outer sides is pushed or pulled. The operating member is pushed by one of the left and right ends of the long hole, and the actuating member is rotated clockwise or counterclockwise via the engaging pin to allow the latch bolt to retract. There is a feature in the point.
[0009]
[0010]
The present invention By handle lock, Outside When attached to an open-type door, it was held at an intermediate position. Outside Pulling the side handle and Inside By pushing the side handle or by locking the handle Inside When attached to an open-type door, it was held at an intermediate position. Inside Pulling the side handle and Outside By pushing the side handle, the latch bolt of the latch lock is allowed to move backward or backward, and thereafter, the door is opened by continuing the operation of the hook.
[0011]
Therefore, set screws for assembling and disassembling the handle are placed inside the door. if, Without changing the handle set including the operating mechanism at all, the lock body simply changes the mounting direction of the latch bolt as in the past, and the components are made common. , Prevention It can be used for both the inner and outer doors with a single handle lock without any inconvenience.
[0012]
[0013]
In summary, The present invention Then, the handle lock that does not cause inconvenience in crime prevention, Outside With hinged door Inside Can be configured as a double door , Obedience With one kind of handle lock Outside Open type and Inside Two types of opening type For doors and In addition, since the components can be used in common, the manufacturing cost of the handle lock can be greatly reduced, and improvements in parts management and storage space can be achieved.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of a handle lock according to the present invention will be described below with reference to the drawings. Fig. 1 is a schematic front view of an open door with the handle of the handle lock vertically attached to the door surface, Fig. 2 is a side view of the handle lock as viewed from the open end of the door, and Fig. 3 is a part of the lock case. 4 is a front view of the handle lock shown broken, FIG. 4 is a longitudinal side view of the vertical handle, FIG. 5 is a perspective view of the latch bolt, and FIG. 6 is a plan view of the handle lock with a part of the latch lock broken. .
[0015]
7 is a cross-sectional view showing a pushing operation state of the inner handle of the outer opening door, FIG. 8 is a cross-sectional view showing a pulling operation state of the outer handle of the outer opening door, and FIG. 9 is an explanation showing a releasing state of the locking piece with respect to the latch bolt. FIG. 10 is a sectional view showing a pulling operation state of the inner handle of the inner opening door, and FIG. 11 is a sectional view showing a pushing operation state of the outer handle of the inner opening door.
[0016]
FIG. 12 is a partial front view of the outer opening door in which the handle of the handle lock is attached sideways, FIG. 13 is a front view of a part of the handle lock for the side handle, and FIG. 14 is a view of the handle lock for the side handle. FIG. 15 is a longitudinal side view of a vertical handle configured to rotate the operating member of the operating mechanism in the forward and reverse directions, and FIG. 16 is a handle for the vertical handle. FIG. 17 is a partially cutaway front view of a handle lock for a lateral handle.
[0017]
In FIG. 1 to FIG. 4, reference numeral 1 denotes, for example, an open door hinged to a door frame 3 via hinges 2, 2, 4 is a handle lock provided on the open end side of the door 1, and a cylinder A lock lock 9 (only the dead bolt 8 is shown) that is locked and unlocked by a key operation on the outer side of the door inserted into the key hole 6 of 5 or an operation of the thumb turn 7 on the inner side of the door; Built in the lock case 10.
[0018]
Reference numerals 11a and 11b denote handles attached to the door surfaces inside and outside the door with the lock case 10 interposed therebetween. In this embodiment, the handles 11a and 11b are attached vertically through the upper and lower seats 12 and 13. As shown in FIG. 12 and described later, it is also possible to choose to attach the handles 11a and 11b to the door surface sideways via the seats 12 and 13.
[0019]
The pair of handles 11a and 11b are respectively held by the lower seats 13 and 13 so as to be able to be pushed and pulled, and the handles 11a and 11b are intermediately pushed and pulled by springs 14 and 14, as will be described in detail later. It is configured to be held in position.
Reference numerals 15 and 15 denote operating mechanisms that allow the latch bolt 16 of the latch lock 9 to be retracted by pushing the inner handle 11a held at the intermediate position and pulling the outer handle 11b.
[0020]
Hereinafter, the specific structure will be described. The latch lock 9 is not particularly limited. In this embodiment, the latch lock 9 is configured as a so-called inversion latch type. As shown in FIG. The planar shape with the closed surface as the inclined surface 16a and the other surface as the engaging surface 16b that engages with the receiving hole 18 of the strike 17 on the door frame 3 side is on the rear side of the latch bolt 16 having a rhomboid shape. A concave portion 16d having an inclined spring receiving surface 16c is formed, and front and rear engaging grooves a, a are formed in the upper and lower bulging portions 16e, 16e of the latch bolt 16 at a substantially central portion in the width direction. The latch bolt 16 and the latch spring 19 are fitted into the latch case 21 in the lock case 10 in the order of the latch spring 19 and the latch bolt 16 with the front plate 20 of the lock case 10 removed, and the lock case 1 That attach the front plate 20.
[0021]
Then, a pair of upper and lower locking pieces 22, 22 each having a locking piece b, b at the front end locked in the locking groove a, a of the latch bolt 16 to prevent the latch bolt 16 from being reversed, are connected via a pin 23. While being pivotally attached to the lock case 10, there are provided spring springs 24, 24 for urgingly locking the locking pieces b, b of the locking pieces 22 in the locking grooves a, a, Each of the overlapping members 25, 25 is connected to each other on the rear side of the latch bolt 16, and the connecting members 25, 25 are connected by a connecting pin 26 inserted through a long hole c formed in the overlapping portion. When one locking piece b of the locking pieces 22, 22 is detached from the locking groove a, the other locking piece b of the locking pieces 22, 22 is also detached from the locking groove a in conjunction with this. Trying to let
[0022]
Further, an operation member 27 for a vertical handle is provided continuously with one locking piece 22 so that the locking piece 22 is rotated and the locking piece b is detached from the locking groove a of the latch bolt 16. The connecting portion of the pair of locking pieces 22, 22 by the connecting pin 26 is pressed against the rear side of the latch bolt 16 to connect the locking pieces b, b of the pair of locking pieces 22, 22 to the latch bolt. An operation member 28 for a lateral handle that is detached from the 16 locking grooves a, a is provided.
[0023]
Accordingly, the latch bolt 16 of the latch lock 9 normally protrudes from the entrance / exit 20a of the front plate 20 by the urging force of the latch spring 19, and when the door is closed, the latch bolt 16 is inclined with the end surface 17a of the strike 17 on the door frame 3 side when the door is closed. The latch bolt 16 once slides and retreats by the action with the surface 16a, and then the latch bolt 16 enters and engages with the receiving hole 18 of the strike 17 on the door frame 3 side. Since the locking pieces b, b of the locking pieces 22, 22 are locked in the grooves a, a and the latch bolt 16 is prevented from being reversed, the door 3 is in a locked state in which it is not opened by wind pressure or the like. (See FIGS. 3 and 6).
[0024]
The handle attachment seats 12 and 12 on the upper side (the lock case 10 side) include a receiving member 29 that contacts the door surface and a pressing member 30 that presses the receiving member 29 against the door surface, and the pressing member of the inner handle 11a. 30 is provided with a pressing plate 32 in which an insertion hole d of the mounting screw 31 is formed, while the pressing member 30 of the outer handle 11b is provided with a mounting column 33 provided with a female screw for mounting a mounting screw that penetrates the door 1 almost. By attaching the mounting screw 31 to the female screw of the mounting column 33 from the inside of the door 1, the upper handle mounting seats 12, 12 are mounted on the door surfaces inside and outside the door 1.
[0025]
A mounting seat 13 for the inner handle 11a on the lower side (the side opposite to the lock case 10) includes a receiving member 34 that contacts the door surface, and an insertion hole e for the mounting screw 35 is formed in the receiving member 34. The mounting seat 13 for the outer handle 11b is provided with a mounting column 36 provided with a female screw for screwing through the door 1, and the mounting screw 36 is mounted on the female screw of the mounting column 36 from the inside of the door 1. By screwing 35, the lower handle attachment seats 13, 13 are attached to the door surfaces inside and outside the door 1.
[0026]
Each of the handles 11a and 11b is made of, for example, a hollow metal (not necessarily hollow or may be made of a synthetic resin), and has a U-shaped cross section in the space above and below the grip. The holding members 37 and 38 are fixed, the hooks f and f are cut and raised on the lower holding members 38 and 38, and the hooks f and f are locked and connected to the lower seats 13 and 13, respectively. The handles 11a and 11b are pivotally supported on the stop connecting portion, so that the handles 11a and 11b can be pushed and pulled.
[0027]
Each of the lower handle attachment seats 13 and 13 is provided with spring members 39 and 39 for latching and holding the hook f.
In addition, set screws 40 and 40 are provided to fix the inner handle 11a to the seats 12 and 13 in a state where the inner handle 11a is held by the upper and lower handle mounting seats 12 and 13 (see FIG. 2). ).
[0028]
The operation mechanisms 15 and 15 are configured as follows. That is, T-shaped openings (openings on the lid 41 side are indicated by phantom lines in FIG. 3) 42 and 42 are formed in the lock case 10 and the lid 41 thereof, respectively. An interlocking member 43 that is locked to the operation member 27 that is connected to one locking piece 22 from the lower side is provided in the lock case 10 so as to be slidable up and down so as to bypass the openings 42 and 42. Inside the handle seats 12 and 12 on the side, Open Mouth 42, 42 Vertical portions 42a, 42a extending in the vertical direction The operating members 45a and 45b for the inner handle and the outer handle are pivotally mounted with the pin 44 as a fulcrum so that the free end side can be inserted into the lock case 10 through the end of the operating member 45a and 45b. In each case, links 46 and 46 are connected in an upward and downward direction.
[0029]
Then, the U-shaped holding members 37, 37 on the upper side of the handles 11a, 11b Continuous The members 47, 47 are connected to each other, and elongated holes h, h in the handle pushing / pulling direction are formed in the connected members 47, 47, while the long holes h, h are formed on the free ends of the links 46, 46. a function of locking pins 48 and 48 engaged with h to the hole ends of the long holes h and h in different directions; As shown in FIG. The springs 14 and 14 are held by the pivot pins 44 and 44 of the actuating members 45a and 45b so as to exhibit the function of holding the handles 11a and 11b at an intermediate position of pushing and pulling.
[0030]
According to said structure, in the locked state (refer FIG.3 and FIG.6) of the door 1 by the latch lock 9, as shown in FIG. As shown in FIG. When the inner handle 11a held at the intermediate position is pushed, the lower long hole h of the connecting member 47 Left end of The pin 48 that is locked to is pushed, and the actuating member 45a pivots upward about the pivot pin 44 through the pin 48 and the link 46.
[0031]
Alternatively, as shown in FIG. 8, when the outer handle 11b held at the intermediate position is pulled, the upper elongated hole h of the connecting member 47 is used. Left end of The pin 48 that is locked to is pulled, and the operating member 45b rotates upwardly with the pivot pin 44 as a fulcrum through the pin 48 and the link 46. As shown in FIG. 9, the interlocking member 43 slides upward, and the operation member 27 connected to the one locking piece 22 is pushed by the operating portion 43a of the interlocking member 43, and the locking piece 22 is counterclockwise. And the other locking piece 22 is also rotated clockwise through the connecting portion between the connecting members 25 and 25 by the connecting pin 26, thereby engaging the pair of locking pieces 22 and 22 with each other. The stop pieces b, b are detached from the locking grooves a, a of the latch bolt 16, and the latch bolt 16 can be reversed.
[0032]
Therefore, if the door opening operation is continued, the latch bolt 16 is reversed as shown by the phantom line in FIG. 6, and the engaging surface 16b that has been engaged with the receiving hole 18 of the strike 17 until then is inclined. The latch bolt 16 is once slid back and opened by the action of the inclined engaging surface 16b and the receiving hole 18 of the strike 17. After the door is opened, the latch bolt 16 projects from the entrance / exit 20a of the front plate 20 by the urging force of the latch spring 19, and returns to the original posture shown in the solid line state of FIG.
[0033]
The handle lock 4 having the above-described structure is for an outer door, but the front plate 20 is removed, the latch bolt 16 of the latch lock 9 is extracted from the latch case 21, and the engagement direction of the latch bolt 16 with respect to the strike 17 is reversed. Then, by returning to the latch case 21 and attaching the front plate 20 to the lock case 10, the handle lock 4 can be reassembled for the inner opening door.
[0034]
The handle lock 4 thus rearranged is provided on the open end side of the inner opening door 1 so that the inner opening door 1 is opened as shown in FIG. Of FIG. When the inner handle 11a held at the intermediate position is pulled, the upper long hole h of the continuous member 47 is operated. Right end of The pin 48 that is locked to is pulled, and the actuating member 45a pivots upward about the pivot pin 44 via the pin 48 and the link 46.
[0035]
Or as shown in FIG. Of FIG. When the outer handle 11b held at the intermediate position is pushed, the lower long hole h of the connecting member 47 is formed. Right end of The pin 48 that is locked to the shaft is pushed, and the operating member 45b pivots upward with the pivot pin 44 as a fulcrum through the pin 48 and the link 46. As described above, the latch bolt 16 can be reversed, and the inner opening door 1 can be opened by continuing this door opening operation.
[0036]
In other words, the relationship between the assembly screws 31, 35, 40 for assembling and disassembling the handles 11a, 11b is inside the door. Leave it in place The handle set including the operating mechanisms 15 and 15 is not replaced at all, and the handle that does not cause any problem in crime prevention is made common by simply changing the mounting direction of the latch bolt 16 without changing the mounting direction of the latch bolt 16. Lock 4 is used for both external and internal opening types Provide what you can It can be done.
[0037]
Further, as shown in the drawing, the free ends of the operating members 45a and 45b are formed as T-shaped openings 42 and 42 for projecting into the lock case 10, and an operating member for a lateral handle is formed. 28 Open Mouth 42, 42 Horizontal portions 42b, 42b extending in the left-right direction (see FIG. 3) 12 and 13, as shown in FIG. 12 and FIG. 13, the operating members 45a and 45b of the operating mechanisms 15 and 15 are arranged. Open Mouth 42, 42 Side portions 42b, 42b A handle lock that can be used both as the above-described externally open type and internally open type by attaching a set of handles including the handle mounting seats 12 and 13 and the operating mechanism 15 sideways to the door surface inside and outside the door. 4 can also be used as a handle lock for a vertical handle and a horizontal handle, respectively.
[0038]
In the handle lock 4 configured as described above, the operation members 45a and 45b of the operation mechanisms 15 and 15 are respectively moved by pushing or pulling the handle 11a and 11b inside and outside the door from the intermediate position. By turning in the same direction and pressing the operation member 28 for the lateral handle, the locking pieces b, b of the pair of locking pieces 22, 22 are engaged with the locking grooves of the latch bolt 16, as shown in FIG. The latch bolt 16 can be reversed by being separated from a and a, and the door 1 can be opened by continuing the pushing or pulling operation of the saddle handles 11a and 11b.
[0039]
In addition, it is not an essential requirement to form the opening portions 42 and 42 provided in the lock case 10 and the lid body 41 of the lock case 10 in a T shape, and the operating members 45a and 45b are oriented vertically or horizontally. If the operating members 45a and 45b can be rotated so that the locking pieces b and b of the pair of locking pieces 22 and 22 are detached from the locking grooves a and a of the latch bolt 16 in the attached state. The openings 42 and 42 may be formed in a cross-beam shape or a square shape.
[0040]
In the above embodiment, the long holes h, h are formed in the connecting member 47 on the handle side, and the pins 48, 48 locked to the long holes h, h are connected to the operating members 45a, 45b. Are provided in the links 46, 46, but the long holes h, h in the handle pushing and pulling direction are formed in the links 46, 46 connected to the operating members 45a, 45b, and the pins are engaged with the long holes h, h. 48 and 48 may be provided on the connecting member 47 on the handle side.
[0041]
Here, as shown in FIGS. 15 to 17, as the handle lock 4, for example, a cross-shaped opening 42 ' , 42 ' The latch lock 9 is provided with two sets of operation members 27a and 27b for the vertical handle and operation members 28a and 28b for the horizontal handle so that the operating mechanism 15 is sandwiched in the vertical direction and the horizontal direction. , 15 can be configured to rotate in the forward and reverse directions by pushing and pulling the handles 11a, 11b from the intermediate position, but the mounting direction of the latch bolt 16 is simply changed. Just open and open types On the door Handle lock 4 that can also be used as a handle for vertical and horizontal handles, respectively Also Can be made.
[0042]
That is, as shown in FIG. 16, the operating members 27a and 27b for the vertical handle are connected to the locking pieces 22 and 22, respectively, and the lower side operating member 27a is set upward and the upper side operating member 27b. Interlocking members 43A and 43B that pivot downward are provided in the lock case 10 so as to be slidable, and one operation member 28a for the lateral handle is connected to the upper operation member 27b, and the other lateral handle. The operation member 28b is pivotally attached to the lock case 10 by a pin 49, and the operation member 28b is connected to the lower operation member 27a for the vertical handle via the long hole i and the pin 50. .
[0043]
As the operation mechanisms 15 and 15, since the vertical handles 11 a and 11 b are targeted in FIG. 15, the operation members 45 a and 45 b extending the link 51 so as to be along the door surface are provided. Open Mouth 42 ' , 42'a and 42'a which extend in the up-down direction of 42 ' The pin 44 is pivotally mounted on each of the handle attachment seats 12 and 12 on the latch lock 9 side so as to be disposed between the operation members 27a and 27b for the vertical handle. 51, the free end side of 51 and the connecting member 47 on the handle side are connected by a pin 52, and springs 14 and 14 for holding the handles 11a and 11b at an intermediate position of pushing and pulling are provided, for example, The twelve pressing members 30, 30 and the operating members 45a, 45b are provided.
[0044]
When the handles 11a and 11b are attached sideways, the operation members 45a and 45b of the operation mechanisms 15 and 15 are attached as shown in FIG. Open Mouth 42 ' , Lateral portions 42'b, 42'b extending in the left-right direction of 42 ' And disposed between the operation members 28a and 28b for the lateral handle.
[0045]
In the above-described configuration, as shown in FIGS. 15 and 16, the operating members 45a and 45b are both turned downward by the pushing operation of the handles 11a and 11b from the intermediate position, and the upper portions are connected via the interlocking member 43A. The operating member 27b on the side rotates downward, and in the pulling operation of the handles 11a and 11b from the intermediate position, the operating members 45a and 45b both rotate upward and operate on the lower side via the interlocking member 43B. The member 27a rotates upward.
[0046]
When the handles 11a and 11b are attached sideways to the door surfaces inside and outside the door, as shown in FIG. 17, both the operating members 45a and 45b are operated by the operation members 45a and 45b by pushing the handles 11a and 11b from the intermediate position. By pressing, the operation member 27b on the upper side is rotated downward, and in the pulling operation of the handles 11a and 11b from the intermediate position, the operation members 45a and 45b both rotate the operation member 28b, and the lower side The operating member 27a is rotated upward, and by any operation, the locking pieces b, b of the pair of locking pieces 22, 22 are detached from the locking grooves a, a of the latch bolt 16, The door 1 can be opened.
[0047]
However, when configured in this way, means for separating the locking pieces b, b of the pair of locking pieces 22, 22 from the locking grooves a, a of the latch bolt 16 (each for two sets of vertical handles) The operation members 27a, 27b, 28a, 28b for the lateral handle and the interlocking members 43A, 43B) are structurally and somewhat complicated.
[0048]
On the other hand, in the structure shown in FIGS. 3 and 4, as described with reference to FIGS. 7 to 11, the operating members 45a, 45b, Since 45b is rotated in the same direction, the means for detaching the locking pieces b, b from the locking grooves a, a (the operating members 27, 28 and the interlocking member 43) can be greatly simplified. By simplifying the configuration, there is an effect that significant cost reduction is achieved.
[0049]
still, Outside Open type and Inside When the handle lock 4 that can also be used as an open type is configured exclusively for the vertical handle, the operation member 28 for the horizontal handle is not necessary, and when configured exclusively for the horizontal handle, the operation for the vertical handle is not required. Needless to say, the member 27 and the interlocking member 43 are unnecessary, and further simplification and cost reduction of the latch lock 9 are achieved.
[0050]
Further, the handle lock 4 according to the embodiment is provided with the final lock formed of the dead bolt 8, the cylinder 5, the thumb turn 7, and the like. Sazura The handle lock 4 having only the lock lock 9 is to be applied to the present invention. Together wear.
[0051]
Furthermore, as the latch lock 9, a so-called reversal latch type has been described, but a structure that does not reverse and that allows the latch bolt 16 to be retracted directly as the operating members 45 a and 45 b rotate is used. You can also.
[0052]
【The invention's effect】
As described above, according to the handle lock of the first aspect, the handle lock having no security problem can be obtained by simply changing the mounting direction of the latch bolt, and using the same component. , Outside With hinged door Inside What can be used as it is for both the hinged door can be provided.
[0053]
[0054]
Therefore, Outside Open type and Inside Two types of hands Le tablets Since the components can be configured in common, not only can the manufacturing cost of the handle lock be greatly reduced, but also improvements in terms of parts management and storage space can be achieved.
[Brief description of the drawings]
FIG. 1 is a front view of an external door with a handle lock handle attached vertically.
FIG. 2 is a side view of the handle lock viewed from the open end side of the door.
FIG. 3 is a front view of the handle lock shown by cutting a part of the lock case.
FIG. 4 is a vertical side view of a vertical handle.
FIG. 5 is a perspective view of a latch bolt.
FIG. 6 is a plan view of the handle lock in which a part of the latch lock is broken.
FIG. 7 is a cross-sectional view showing a pushing operation state of an inner handle of the outer door.
FIG. 8 is a cross-sectional view showing a pulling operation state of the outer handle of the outer door.
FIG. 9 is an explanatory view showing a state in which the locking piece is detached from the latch bolt.
FIG. 10 is a cross-sectional view showing a pulling operation state of an inner handle of the inner opening door.
FIG. 11 is a cross-sectional view showing a pressing operation state of the outer handle of the inner opening door.
FIG. 12 is a partial front view of an outer opening door in which a handle of a handle lock is attached sideways.
FIG. 13 is a front view in which a part of a handle lock for a lateral handle is broken.
FIG. 14 is an explanatory view showing a disengagement state of the locking piece with respect to the latch bolt of the handle lock for the lateral handle.
FIG. 15 is a vertical side view of a vertical handle configured to rotate an operating member of an operating mechanism in a forward and reverse direction.
FIG. 16 is a partially cutaway front view of a handle lock for a vertically oriented handle.
FIG. 17 is a partially cutaway front view of a handle lock for a lateral handle.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Door, 9 ... Latch lock, 11a, 11b ... Handle, 12, 13 ... Handle mounting seat, 14 ... Middle position holding spring of handle, 15 ... Actuation mechanism, 16 ... Latch bolt, 27 ... Operation for vertical handle Member, 28 ... An operation member for a lateral handle.

Claims (1)

A latch lock provided on the open end side of the door, a seat for attaching the handle vertically to the door surface inside and outside the door, an inner handle that can be pushed and pulled on the seat inside the door, and an outer door An outer handle that is held by the seat so that both pushing and pulling operations can be performed; and a spring that holds the handles on both the inner and outer sides at an intermediate position of pushing and pulling; and further, the inner handle is pushed or pulled from the intermediate position or the outer handle. even if any of the push or pull operation, wherein Ri formed by providing an actuation mechanism for permitting retraction after Ratchiboru bets latch lock, wherein the actuation mechanism includes a substantially central portion inside each of the doors both the inside and the outside of the seat Is provided with an operating member pivotally supported by a pin and provided with upper and lower links, and a connecting member provided integrally with the handle on both the inner and outer sides. Both inside and outside A long hole extending in the pushing or pulling operation direction of the handle is formed, and an engaging pin protruding from the upper and lower links of the operating member is engaged with the upper and lower elongated holes, Regardless of the pushing or pulling operation, any engagement pin of the operating member on both the inside and outside of the door is pushed to either of the left and right ends of the upper and lower elongated holes, and the engagement pin is used to A handle lock configured such that an operating member rotates clockwise or counterclockwise to allow the latch bolt to retract .

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