JP6906374B2 - Push-pull door handle - Google Patents

Description

The present invention relates to a hand preparative push-pull door having a latch operation mechanism and the hinge mechanism.

As a door handle for the entrance of condominiums and the like, a push-pull type that can open and close the door by operating the latch just by pushing and pulling the handle is often used.

As such a push-pull type door handle, the one shown in FIG. 11 is described in Patent Document 1 below. The door handle is composed of an outer unit 51 attached to the outside of the door D and an inner unit 52 attached to the inside of the door D. The outer unit 51 and the inner unit 52 are curved in a bow shape in a side view and are frontal. It is provided with a vertically long handle 53 that is visually straight.

The lower end of the handle 53 is fixed to the door D, and the upper end of the handle 53 is connected to the pedestal 54 fixed to the door D via a connecting lever 55. Then, when the tip of the connecting lever 55 is linked to the latch mechanism of the lock box 56 and the handle 53 is pulled toward and bent, the connecting lever 55 swings in the vertical direction and the latch operates. There is.

In addition, in combination with such a push-pull type door handle, a hands-free electric lock that can be locked and unlocked while the key is kept in the bag or pocket may be adopted, and the battery storage structure thereof is as follows. Those described in Patent Document 2 below are known.

In this battery accommodating structure, as shown in FIG. 12, a power accommodating space 64 opened and closed by a removable cover 63 is formed in a fixed pedestal portion 62 on the lower side of the handle 61 attached to the inside of the door to accommodate the power supply. A swing-type cartridge 65 that vertically accommodates a plurality of batteries E in a bundled state in the space 64 and a cap 66 with a terminal that covers the upper end of the battery E are provided. As shown in 12A), after removing the cover 63, as shown in FIG. 12B , the cartridge 65 is swung outward to escape from the power storage space 64, and the cap 66 is removed. There is.

Japanese Unexamined Patent Publication No. 11-200671 Japanese Unexamined Patent Publication No. 2014-167237

However, in the battery accommodating structure as described above, it takes time to replace the battery E, and the handle 61 becomes longer in the vertical direction and larger in the thickness direction, so that the handle 61 may collide with the handle 61 when entering and exiting the entrance. Sometimes.

Accordingly, the present invention is easy battery replacement for lock operation, and to provide a hand preparative push-pull door can be miniaturized handle.

In order to solve the above problems, the present invention provides a push-pull mechanism including a latch operation mechanism that pushes and pulls a handle to operate a latch, and a hinge mechanism that supports the handle in a pair vertically with the latch operation mechanism. In the ceremony door handle
Both the latch operation mechanism and the hinge mechanism are provided with a pressing block and a bearing bracket, respectively, and the pressing block is swingably held by the bearing bracket attached to the door, and the handle is pushed or pushed. When pulled, the pressing block swings in the horizontal direction,
The latch operation mechanism includes an interlocking cam that is swingably supported in the bearing bracket in the vertical direction and urged in one direction, and the interlocking cam presses the pressing block as the pressing block swings in the horizontal direction. It is assumed that the latch is pushed by the block and swings in the vertical direction to unlock the latch linked to the interlocking cam.
The hinge mechanism includes a dummy cam that is vertically swingably supported by the bearing bracket and urged in one direction, and the dummy cam pushes against the pressing block as the pressing block swings in the horizontal direction. Even if it swings in the vertical direction, the latch is not linked to the dummy cam.
In the bearing bracket of the latch operation mechanism and the hinge mechanism, a vertical axis hole through which the handle shaft serving as the swing center of the pressing block is inserted and a guide hole through which the handle shaft serving as the swing guide of the pressing block is inserted. The structure is such that the positional relationship with the interlocking cam or the dummy cam is opposite to the support position that is the swing center of the dummy cam.

Further, in this push-pull type door handle, the handle has a shape in which a grip portion extending in the vertical direction and a lever portion extending unilaterally from the upper and lower end portions thereof are continuous.
In the latch operation mechanism, the pressing block is provided on the back side of the lever portion of the handle on the base end side, and the pressing block is formed with a pair of pressing protrusions at intervals in the extending direction of the lever portion. At the same time, an axis is directed to these pressing protrusions in the direction in which the grip portion of the handle extends , and a vertical hole is formed.
The bearing bracket is formed with the vertical axis hole and the slot-shaped guide hole corresponding to the pair of pressing protrusions, and the horizontal axis whose axis is orthogonal to the vertical axis hole and the guide hole. A hole is formed,
The handle shaft serving as the swing center and swing guide of the pressing block is inserted into the vertical hole of one of the pressing protrusions of the pressing block and the vertical hole of the bearing bracket, respectively.
A spring receiving piece is interposed between the pressing block and the bearing bracket, and the spring receiving piece is centered on a horizontal shaft hole formed at the base thereof and a spring receiving shaft inserted into the horizontal shaft hole of the bearing bracket. It is supposed to swing
The interlocking cam protruding from the inside of the bearing bracket to the door side is assumed to swing integrally with the spring receiving piece about the spring receiving shaft inserted into the horizontal shaft hole of the base.
The handle spring interposed between the bearing bracket and the spring receiving piece urges the spring receiving piece to be pressed against the pressing projection of the pressing block, and as the pressing block swings, the pressing block of the pressing block is urged. It is assumed that the interlocking cam swings in the vertical direction together with the spring receiving piece by being pushed by the pressing protrusion, and the latch linked to the interlocking cam is unlocked.

In push-pull door handle according to the present invention, the horizontal swing of the handle is converted into swinging vertical interlocking cam. Thus lock latch disengages, formed on the upper and lower surfaces of the handle A battery accommodating portion can be provided between the lever portions.

Therefore, the battery for operating the lock can be easily replaced, and the handle can be miniaturized in the vertical direction and the thickness direction so as not to be an obstacle when entering and exiting the entrance.

Further, since the positional relationship between the vertical axis hole and the guide hole of the bearing bracket is reversed between the latch operation mechanism provided on one of the upper and lower ends of the handle and the similar hinge mechanism provided on the other side, the bearing bracket Can be rearranged to support four types of left-handed and right-handed, outward-opening and inward-opening, so that the cost required for manufacturing and managing parts can be reduced.

A perspective view showing a state in which the push-pull door handle according to the embodiment of the present invention is attached to the door from the inside of the door. Overall side view showing the mounting state of the door handle on the door as above, with a partial notch. An exploded perspective view showing the internal components of the latch operation mechanism of the same as above. Top view showing the first assembly form (left-handed / outward opening) of the latch operation mechanism as described above. Longitudinal side view of the entire inner unit along the AA line of FIG. (6A) plan view showing the operation state of unlocking the latch in the same as above, (6B) vertical sectional side view along the BB line of the above (6A). Front view showing the locked state of the (7A) latch of the main lock and the unlocked state of the (7B) latch by the same latch operation mechanism. Top view showing the second assembly form (left-handed / inward opening) of the latch operation mechanism as described above. Top view showing the third assembly form (right-handed / outward opening) of the latch operation mechanism as described above. Top view showing the fourth assembly form (right-handed / inward opening) of the latch operation mechanism as described above. Overall side view showing the door handle described in Patent Document 1 in a partially notched state. A perspective view showing a (12A) cartridge accommodating state and (12B) cartridge detached state in the battery accommodating structure of the door handle described in Patent Document 2.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

As shown in FIGS. 1 and 2, the push-pull type door handle according to the present invention is an inner door handle composed of an inner unit 1 attached to the inside of the door D and an outer unit 2 attached to the outside. It applies to unit 1. The main mechanical portion of the inner unit 1 is provided inside the inner base cover 10, and the inner unit 1 and the outer unit 2 are provided with handles 11 and 21, respectively.

The handle 11 of the inner unit 1 has a vertically symmetrical shape in which a grip portion 11a extending in the vertical direction and a lever portion 11b extending unilaterally from the upper and lower end portions thereof are continuous, and the grip portion 11a of the lever portion 11b is different from the grip portion 11a. It swings with the base end located on the opposite side as a hinge.

The handle 21 of the outer unit 2 has a vertically long shape that is curved in a bow shape when viewed from the side and becomes one straight line when viewed from the front, and the upper end and the lower end can be pushed and pulled with respect to the pedestal 22, respectively. Is connected to.

The door D is provided with an engraved box lock, a main lock 3 and an auxiliary lock 4, at positions corresponding to the upper ends and lower ends of the handles 11 and 21, respectively. The main lock 3 and the auxiliary lock 4 are electric locks having a dead bolt 5 that appears and disappears from the end surface of the door D to lock and unlock (see FIG. 7). The main lock 3 is provided with a reversible latch 6.

The electric power for operating the main lock 3 and the auxiliary lock 4 is supplied from a plurality of batteries E housed in the battery housing portion 10a located in the middle portion of the inner base cover 10. The batteries E are arranged without overlapping in the depth direction of the battery accommodating portion 10a.

In the outer unit 2, the handle 21 has a built-in antenna for locking / unlocking the door D, and an authentication button 7 is provided on the surface thereof. The cylinders 23 of the main lock 3 and the auxiliary lock 4 are fitted to the pedestals 22 above and below the handle 21, respectively, and the removable cover 24 covers the keyhole of the cylinder 23 on the front side, which is an emergency when the battery runs out. Is provided.

To lock / unlock the main lock 3 and the auxiliary lock 4 from the outside of the door D, press the authentication button 7 on the handle 21 of the outer unit 2 while holding the authentication key, and press the authentication button 7 from the inside of the door D. To do this, the thumb turn 9 of the thumb turn drive unit 8 provided above and below the handle 11 of the inner unit 1 is rotated.

A motor is built in the thumb turn drive unit 8, and the dead bolt 5 can appear and disappear in response to a command from the authentication button 7. Further, as the handle 21 is pushed and pulled, the lock of the latch 6 is also released via the interlocking cam, so that the door D can be opened from the outside.

In such an inner unit 1 of the door handle, a latch operation mechanism 1a is provided on the base end side of the lever portion 11b above the handle 11, and a hinge mechanism 1b is provided on the base end side of the lower lever portion 11b. It is provided. Although the hinge mechanism 1b is not related to the operation of the latch 6, it has the same mechanism as the latch operation mechanism 1a and is assembled upside down.

As shown in FIGS. 3 to 5, the latch operation mechanism 1a includes a pressing block 12 attached to the back side of the lever portion 11b of the handle 11, a bearing bracket 13 located on the door D side, and a pressing block 12 and a bearing bracket. A spring receiving piece 14 interposed between the 13s, an elongated plate-shaped interlocking cam 15, two round bar-shaped handle shafts 16, one round bar-shaped spring bearing shaft 17, and a handle that is a torsion coil spring. The spring 18 is a main component.

The pressing block 12 has a semi-cylindrical pressing projection 12a so as to form a pair at intervals in the extending direction of the lever portion 11b of the handle 11, and the axis line moves up and down corresponding to each pressing projection 12a. A circular vertical axis hole 12b is formed so as to face.

The bearing bracket 13 has a box shape with an open surface facing the pressing block 12, and a circular vertical axis hole 13a and a slot-shaped guide hole 13b corresponding to the pressing projection 12a of the pressing block 12 are formed, and the bearing bracket 13 has a slot-shaped guide hole 13b. A circular horizontal axis hole 13c whose axis is orthogonal to the vertical axis hole 13a and the guide hole 13b is formed.

The spring receiving piece 14 has side walls that greatly protrude from the tip side to the base side on both sides, and a circular horizontal shaft hole 14a is formed at the base of the side wall.

The interlocking cam 15 has a long hook shape on the bearing bracket 13 side at the tip, and a circular horizontal shaft hole 15a is formed so as to face the bent portion of the base.

The handle shaft 16 is inserted into the vertical axis hole 12b of one pressing projection 12a of the pressing block 12 and the vertical axis hole 13a of the bearing bracket 13 as described above, and the vertical axis hole of the other pressing projection 12a of the pressing block 12 is inserted. The handle shaft 16 is also inserted through the guide holes 13b of the bearing bracket 13 and 12b.

As a result, the pressing block 12 swings with respect to the bearing bracket 13 while being guided by the handle shaft 16 inserted through the guide hole 13b, centering on the handle shaft 16 inserted through the vertical axis hole 13a. ing.

Further, the interlocking cam 15 has a base side located inside the bearing bracket 13 and meshes along the spring receiving piece 14, and the tip side is inside the door D through a long hole in the back wall of the bearing bracket 13. It protrudes long in the direction.

Then, the spring receiving shaft 17 is inserted into the horizontal shaft hole 13c of the bearing bracket 13, the horizontal shaft hole 14a of the spring receiving piece 14, the horizontal shaft hole 15a of the interlocking cam 15, and the coil portion of the handle spring 18. It is assumed that the spring receiving piece 14 and the interlocking cam 15 swing integrally around the spring receiving shaft 17.

Further, one end of the handle spring 18 abuts on the bearing bracket 13 and the other end abuts on the spring receiving piece 14, and the handle spring 18 presses the spring receiving piece 14 against the pressing projection 12a of the pressing block 12. Is being urged.

In the inner unit 1 configured in this way, the bearing bracket 13 is bolted to the mounting plate 19 via the spacer 19a, the mounting plate 19 is aligned with the inner surface of the door D, and the screws of the outer unit 2 are screwed from the inside of the door D. The door D is attached to the door D so as to sandwich the door D between the outer unit 2 and the bolt screwed into the hole.

Since the hinge mechanism 1b does not need to be linked with the latch 6, a dummy cam 15b shorter than the interlocking cam 15 is used instead of the interlocking cam 15 of the latch operation mechanism 1a, and the dummy cam 15b is a bearing bracket 13. It is designed so that it hardly protrudes from.

Further, in the bearing bracket 13 of the latch operation mechanism 1a and the hinge mechanism 1b, the positional relationship between the vertical axis hole 13a and the guide hole 13b is reversed, and the bearing bracket 13 can be exchanged between the case of outward opening and the case of inward opening. There is.

FIG. 4 shows a first assembly mode in which the latch operation mechanism 1a as described above is applied to a left-handed / outward-opening door D.

In this first assembly form, the inner unit 1 is attached to the left side on the inner surface side of the door D, the handle 11 faces the direction in which the grip portion 11a is located on the right side of the lever portion 11b, and the bearing bracket 13 has the vertical axis hole 13a. Is located on the door end side of the door D, and the guide hole 13b is located on the door end side of the door D.

When assembled in this way, when the grip portion 11a of the handle 11 is pushed to open the door D, the pressing block 12 swings in the horizontal direction together with the lever portion 11b of the handle 11 as shown in FIG. 6 (6A). Then, the spring receiving piece 14 is pushed by the pressing protrusion 12a, and as shown in FIG. 6B , the interlocking cam 15 swings vertically downward together with the spring receiving piece 14.

Along with this, as shown in FIGS. 7A and 7B , the slide piece 31 of the main lock 3 is pushed down by the interlocking cam 15, and the intermediate cam 33 and the lock cam 34 connected by the interlocking pin 32 swing. Then, the lock of the latch 6 is released, so that the latch 6 can be inverted and the door D can be opened.

As described above, according to the latch operation mechanism 1a, the horizontal swing of the lever portion 11b of the handle 11 is converted into the vertical swing of the interlocking cam 15 to operate the latch 6, so that the handle 11 is operated. A battery accommodating portion 10a can be provided between the upper and lower lever portions 11b.

Therefore, the batteries E for operating the main lock 3 and the auxiliary lock 4 can be easily replaced, and the handle 11 is miniaturized in the vertical direction and the thickness direction so that the handle 11 becomes an obstacle when entering and exiting the entrance. It can be prevented from becoming.

Next, FIG. 8 shows a second assembly mode in which the latch operation mechanism 1a as described above is applied to the left-handed / inward-opening door D.

In this second assembly mode, the inner unit 1 is attached to the left side on the inner surface side of the door D, and the handle 11 is directed in the direction in which the grip portion 11a is located on the right side of the lever portion 11b. On the other hand, as the bearing bracket 13, the vertical axis hole 13a is located on the door end side of the door D, and the guide hole 13b is located on the door end side of the door D.

When assembled in this way, when the grip portion 11a of the handle 11 is pulled, the pressing block 12 swings horizontally together with the lever portion 11b of the handle 11, and the spring receiving piece 14 is pushed by the pressing protrusion 12a to spring. The interlocking cam 15 swings vertically downward together with the receiving piece 14, and the latch 6 is unlocked, so that the door D can be opened.

Next, FIG. 9 shows a third assembly mode in which the latch operation mechanism 1a as described above is applied to the right-handed / outward-opening door D.

In this third assembly form, the inner unit 1 is attached to the right side on the inner surface side of the door D, the handle 11 faces the direction in which the grip portion 11a is located on the left side of the lever portion 11b, and the bearing bracket 13 has the vertical axis hole 13a. Is located on the door end side of the door D, and the guide hole 13b is located on the door end side of the door D.

When assembled in this way, when the grip portion 11a of the handle 11 is pushed, the pressing block 12 swings in the horizontal direction together with the lever portion 11b of the handle 11, the spring receiving piece 14 is pushed by the pressing protrusion 12a, and the spring. The interlocking cam 15 swings vertically downward together with the receiving piece 14, and the latch 6 is unlocked, so that the door D can be opened.

Next, FIG. 10 shows a fourth assembly mode in which the latch operation mechanism 1a as described above is applied to the right-handed / inward-opening door D.

In this fourth assembly form, the inner unit 1 is attached to the right side on the inner surface side of the door D, the handle 11 faces the direction in which the grip portion 11a is located on the left side of the lever portion 11b, and the bearing bracket 13 has the vertical axis hole 13a. Is located on the door end side of the door D, and the guide hole 13b is located on the door end side of the door D.

When assembled in this way, when the grip portion 11a of the handle 11 is pulled, the pressing block 12 swings horizontally together with the lever portion 11b of the handle 11, and the spring receiving piece 14 is pushed by the pressing protrusion 12a to spring. The interlocking cam 15 swings vertically downward together with the receiving piece 14, and the latch 6 is unlocked, so that the door D can be opened.

As described above, in this latch operation mechanism 1a, by appropriately exchanging the hinge mechanism 1b and the bearing bracket 13, it is possible to correspond to four forms of left-handed and right-handed, outward opening and inward opening, so that various entrances can be used. Door handles of large-scale apartments with types can be manufactured with the same parts set, and the cost required for manufacturing and managing parts can be reduced.

1 Inner unit 1a Latch operation mechanism 1b Hing mechanism 2 Outer unit 3 Main lock 4 Auxiliary lock 5 Dead bolt 6 Latch 7 Authentication button 8 Thumb turn drive part 9 Thumb turn 10 Inner base cover 10a Battery housing part 11 Handle 11a Grip part 11b Lever part 12 Pressing block 12a Pressing protrusion 12b Vertical axis hole 13 Bearing bracket 13a Vertical axis hole 13b Guide hole 13c Horizontal axis hole 14 Spring receiving piece 14a Horizontal axis hole 15 Interlocking cam 15a Horizontal axis hole 15b Dummy cam 16 Handle shaft 17 Spring receiving shaft 18 Handle spring 19 Mounting plate 19a Spacer 21 Handle 22 Pedestal 23 Cylinder 24 Cover 31 Slide piece 32 Interlocking pin 33 Intermediate cam 34 Lock cam D Door E Battery

Claims (2)

A latch operation mechanism (1a) that pushes and pulls the handle (11) to operate the latch (6), and a hinge mechanism (1b) that supports the handle (11) by pairing up and down with the latch operation mechanism (1a). ) And with a push-pull door handle
Both the latch operation mechanism (1a) and the hinge mechanism (1b) are provided with a pressing block (12) and a bearing bracket (13), respectively, by the bearing bracket (13) attached to the door (D). When the pressing block (12) is held swingably and the handle (11) is pushed or pulled, the pressing block (12) swings in the horizontal direction.
The latch operating mechanism (1a) includes an interlocking cam (15) that is vertically swingably supported by the bearing bracket (13) and urged in one direction, and the pressing block (12) is in the horizontal direction. The interlocking cam (15) is pushed by the pressing block (12) and swings in the vertical direction, and the latch (6) linked to the interlocking cam (15) is unlocked. ,
The hinge mechanism (1b) includes a dummy cam (15b) vertically swingably supported by the bearing bracket (13) and urged in one direction, and the pressing block (12) swings in the horizontal direction. Even if the dummy cam (15b) is pushed by the pressing block (12) and swings in the vertical direction along with the movement, the latch (6) is not linked to the dummy cam (15b).
In the bearing bracket (13) of the latch operation mechanism (1a) and the hinge mechanism (1b), the vertical hole (13a) through which the handle shaft (16), which is the swing center of the pressing block (12), is inserted. The positional relationship with the guide hole (13b) through which the handle shaft (16) serving as the swing guide of the pressing block (12) is inserted is with the swing center of the interlocking cam (15) or the dummy cam (15b). A push-pull door handle characterized by being reversed with respect to the bearing position. In the push-pull door handle according to claim 1.
The handle (11) has a shape in which a grip portion (11a) extending in the vertical direction and a lever portion (11b) extending unilaterally from the upper and lower end portions thereof are continuous.
In the latch operation mechanism (1a), the pressing block (12) is provided on the back side of the base end side of the lever portion (11b) of the handle (11), and the pressing block (12) is provided with the lever portion (12). A pair of pressing protrusions (12a) are formed at intervals in the extending direction of 11b), and an axis is formed on these pressing protrusions (12a) in the extending direction of the grip portion (11a) of the handle (11). directed, vertical shaft hole (12b) is formed,
In the bearing bracket (13), the vertical axis hole (13a) and the slot-shaped guide hole (13b) are formed corresponding to the pair of pressing protrusions (12a), and the vertical axis is formed. A horizontal axis hole (13c) whose axis is orthogonal to the hole (13a) and the guide hole (13b) is formed.
In the vertical axis hole (12b) of one pressing projection (12a) of the pressing block (12) and the vertical axis hole (13a) of the bearing bracket (13), the swing center and rocking of the pressing block (12), respectively. The handle shaft (16) serving as a motion guide is inserted and
A spring receiving piece (14) is interposed between the pressing block (12) and the bearing bracket (13), and the spring receiving piece (14) has a horizontal shaft hole (14a) formed in the base thereof and the spring receiving piece (14). It is assumed that it swings around the spring receiving shaft (17) inserted into the horizontal shaft hole (13c) of the bearing bracket (13).
The interlocking cam (15) projecting from the inside of the bearing bracket (13) toward the door (D) is centered on the spring receiving shaft (17) inserted into the horizontal shaft hole (15a) of the base. It is supposed to swing integrally with the receiving piece (14),
The handle spring (18) interposed between the bearing bracket (13) and the spring receiving piece (14) presses the spring receiving piece (14) against the pressing projection (12a) of the pressing block (12). With the swing of the pressing block (12), the interlocking cam (15) is pushed vertically by the pressing projection (12a) of the pressing block (12) together with the spring receiving piece (14). A push-pull door handle that swings in the direction and is configured to unlock the latch (6) linked to the interlocking cam (15).

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